WO2019119294A1 - Pneumatic tool quick connecting structure - Google Patents

Pneumatic tool quick connecting structure Download PDF

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Publication number
WO2019119294A1
WO2019119294A1 PCT/CN2017/117439 CN2017117439W WO2019119294A1 WO 2019119294 A1 WO2019119294 A1 WO 2019119294A1 CN 2017117439 W CN2017117439 W CN 2017117439W WO 2019119294 A1 WO2019119294 A1 WO 2019119294A1
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WO
WIPO (PCT)
Prior art keywords
sleeve
shaft
coupling shaft
disposed
nut
Prior art date
Application number
PCT/CN2017/117439
Other languages
French (fr)
Chinese (zh)
Inventor
姜国城
刘俊
Original Assignee
宁波飞驹工具有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宁波飞驹工具有限公司 filed Critical 宁波飞驹工具有限公司
Priority to PCT/CN2017/117439 priority Critical patent/WO2019119294A1/en
Publication of WO2019119294A1 publication Critical patent/WO2019119294A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for

Definitions

  • the invention belongs to the technical field of pneumatic tools, in particular to a quick connection structure of pneumatic tools.
  • Pneumatic tools are compressed air-powered tools that are widely used in the fields of machinery, engineering or construction.
  • the compressed air drives the rotation of the cylinders to drive the working part.
  • the basic working mode it can be divided into rotary and reciprocating.
  • pneumatic tools such as pneumatic wrenches, pneumatic screwdrivers, pneumatic grinding machines, pneumatic spray guns, pneumatic nail guns, and air shovel.
  • each pneumatic tool has only a single use, and it is impossible to realize a multifunctional structure of a plurality of pneumatic tools by a power mechanism of a pneumatic tool.
  • pneumatic wrenches pneumatic screwdrivers
  • pneumatic grinding machines pneumatic grinding machines
  • pneumatic spray guns pneumatic nail guns
  • air shovel air shovel.
  • each pneumatic tool has only a single use, and it is impossible to realize a multifunctional structure of a plurality of pneumatic tools by a power mechanism of a pneumatic tool.
  • pneumatic tool When a plurality of pneumatic tools are required, it is necessary to The work is equipped with a single pneumatic tool, which increases the cost of use.
  • a pneumatic tool quick connection structure comprises a body group, a connection structure and two or more transmission groups;
  • the body group and the connecting structure are connected as a unitary structure; each of the transmission groups is respectively engaged with the connecting structure.
  • the transmission group is a ratchet wrench portion, a straight shank grinder portion or an angular grinder portion.
  • the body set includes a handle body and a cylinder; the cylinder is disposed in the handle body;
  • the cylinder includes a back cover, a rotor, a blade, a cylinder block and a front cover;
  • the blade is disposed on the rotor and disposed in the cylinder body, the rear cover is sleeved on the rear axle of the rotor, and the rear cover is fixedly connected with the rear end of the cylinder; the front cover is sleeved on The front cover of the rotor is fixedly connected to the front end of the cylinder;
  • the front end of the inner cavity of the handle body is provided with an internal thread; the front end of the front shaft is a polygonal prism structure.
  • the body set further includes a handle body sheath, the handle body sheath being sleeved outside the handle body.
  • the connecting structure comprises a fixing seat, a locking ring, a compression spring, a jacket, a shaft retaining ring and a transmission guide sleeve;
  • the fixing base is a cylindrical tube structure; a plurality of steel ball mounting holes are disposed on the fixing base, and the steel ball mounting holes communicate with the inner cavity of the fixing seat, and are disposed in each of the steel ball mounting holes a steel ball, the front end inner cavity of the fixing seat is polygonal;
  • a ring groove is disposed on a side surface of the fixing seat near the front end;
  • the fixing seat is disposed in the handle body and is engaged with the front cover;
  • the locking ring is threadedly connected to the front end of the handle body after being fastened to the fixing seat;
  • the pressure spring and the outer sleeve are sequentially sleeved on the fixing seat, and the outer sleeve is engaged with the fixing seat by the steel ball; the shaft retaining ring is engaged in the card slot;
  • the inner diameter of the transmission guide sleeve is polygonal; the rear end of the transmission guide sleeve is mated with the front end of the front shaft.
  • the ratchet wrench portion includes a first coupling shaft, a first connecting sleeve, a gear set, a first nut, an eccentric shaft, an eccentric shaft bearing and a ratchet head set;
  • the first connecting sleeve includes a first sleeve portion and a first connecting portion; the first sleeve portion is a cylindrical structure, the first connecting portion is a polygonal prism structure, and the front end of the first connecting portion Connecting with the rear end of the first sleeve portion as a unitary structure; providing, on the first connecting portion, a first coupling shaft through hole communicating with the first sleeve portion; outside the first connecting portion a surface of the first steel ball snap groove;
  • the front end of the inner cavity of the first sleeve portion is provided with an internal thread
  • the rear end of the first coupling shaft is a polygonal prism structure, and the front end side surface of the first coupling shaft is provided with external ribs;
  • the gear set is disposed in the first sleeve portion and meshes with an outer tooth of the first coupling shaft;
  • the eccentric shaft bearing sleeve is sleeved on the eccentric shaft, the rear end of the eccentric shaft is mated with the gear set, and the front end of the eccentric shaft is connected with the ratchet head set;
  • the first nut is threadedly coupled to the ratchet head set and the gear set, respectively.
  • the gear set includes a gear ring, an idler set, an idler pin, and an idler seat;
  • the gear ring is a cylindrical structure, and an outer surface of the gear ring is provided with an external thread
  • the inner surface of the gear ring is provided with an axial inner tooth, the idler gear meshes with the inner tooth; the outer tooth of the first coupling shaft meshes with the idler gear;
  • the idler seat has a cylindrical structure, and an eccentric shaft insertion hole and an idler pin insertion hole are disposed on the idler seat, and the idler set is coupled to the idler seat through the idler pin.
  • the straight shank grinder portion includes a second coupling shaft, a second coupling sleeve, a second nut and a straight shank grinder head set;
  • a rear end of the second coupling shaft is a polygonal prism structure, and a front end of the second coupling shaft is provided with an external thread;
  • the second coupling sleeve includes a second sleeve portion and a second connecting portion; the second sleeve portion has a cylindrical structure, the outer surface is provided with an external thread, and the second connecting portion is a polygonal prism structure.
  • the front end of the second connecting portion is connected to the rear end of the second bushing portion as a unitary structure; and the second connecting portion is provided with a second connecting shaft through hole communicating with the second bushing portion; a second steel ball engaging groove is disposed on an outer surface of the second connecting portion;
  • a front end of the second coupling shaft is rotationally inserted into the second coupling shaft through hole; a rear end of the straight shank grinder head group passes through the second nut and a front end thread of the second coupling shaft Connecting; the second nut is screwed to the second sleeve portion.
  • the angle grinder portion includes a third coupling shaft, a third connecting sleeve, a third nut and an angle grinder head set;
  • the front end and the rear end of the third coupling shaft are all polygonal prism structures
  • the third coupling sleeve includes a third sleeve portion and a third connecting portion; the third sleeve portion has a cylindrical structure, the outer surface is provided with an external thread, and the third connecting portion is a polygonal prism structure.
  • the front end of the third connecting portion is connected to the rear end of the third bushing portion as a unitary structure; and the third connecting portion is provided with a third connecting shaft through hole communicating with the third bushing portion; a third steel ball snap groove is disposed on an outer surface of the third connecting portion;
  • the front end of the third coupling shaft is rotationally inserted into the perforation of the third coupling shaft
  • the angle grinder head group is inserted into the front end of the third coupling shaft after passing through the third nut;
  • the third nut is threadedly coupled to the angle grinder head set and the third connecting sleeve, respectively.
  • the angle grinder head set includes a drive shaft, an L-shaped adapter, a transmission helical gear, a fixing screw sleeve, a transmission shaft, a collet and a collet nut;
  • the drive shaft is a stepped cylindrical structure, a front helical gear is disposed at a front end of the drive shaft, and an axial polygonal prismatic hole is disposed at a rear end of the drive shaft;
  • the L-shaped joint is an L-shaped pipe structure, wherein an outer thread is arranged on the outer side of the pipe wall at the rear end, and an inner thread is arranged on the inner side of the pipe wall at the front end;
  • the drive shaft is a stepped cylindrical structure; the front end of the drive shaft is provided with an axial collet mounting hole, and an outer thread is provided on an outer side wall provided at one end of the collet mounting hole; the collet Plugged into the collet mounting hole, and threadedly connected to the external thread of the drive shaft by the collet nut;
  • the fixing screw sleeve and the transmission helical gear are sleeved on the transmission shaft, and the fixing screw sleeve is fixedly connected with the internal thread of the front end of the L-shaped adapter;
  • the transmission helical gear meshes with the active helical gear; the front end of the third coupling shaft is inserted into the polygonal prism hole;
  • the third nut is threadedly engaged with the external thread of the rear end of the L-shaped adapter.
  • the invention realizes a body group and a plurality of transmission groups through a connection structure, breaks through the combination of a single tool, realizes multi-purpose of one machine, thereby filling the demand of the customer for multiple tools and reducing the use cost of the customer.
  • FIG. 1 is an exploded view of a body set and a connection structure of the present invention
  • Figure 2 is a partial exploded view of the ratchet wrench
  • Figure 3 is a partial exploded view of the straight shank grinder
  • Figure 4 is a partial exploded view of the angular grinder
  • Figure 5 is an exploded view of the body set with a ratchet wrench portion
  • Figure 6 is an exploded view of the body set with a straight shank grinder section
  • Fig. 7 is an exploded view of the body group of the angular engraving machine.
  • the application provides a pneumatic tool quick connection structure, as shown in FIG. 1, comprising a body group, a connection structure and two or more transmission groups.
  • the body group and the connecting structure are connected as an integral structure, and each of the transmission groups can be respectively engaged with the connecting structure.
  • the transmission group is a ratchet wrench portion, a straight shank grinder portion or an angular grinder portion, and in other embodiments of the present application, a partial improvement of the transmission group can also be adapted.
  • Pneumatic tools for other purposes such as pneumatic screwdrivers, pneumatic drills, air shovel, pneumatic sanders, pneumatic cutters, gas shears, etc., may be connected to the body set through the connection structure of the present application.
  • an air intake screw 14 for providing a gas source for rotating the body group, a sound absorbing sheet 13 for reducing sound, a trigger 2 for controlling whether the body group is rotated or not
  • the trigger 3 for operating the body group, the torsion spring 4, and the valve stem 9, the spring 10, and the screw plug 12 for controlling whether the air source enters are all prior art, and the connection relationship thereof is also in the present application.
  • the muffler 13 is disposed at the rear end of the body of the handle body 1, and the intake screw 14 is screwed to the rear end of the handle body; the valve stem 9 is disposed in the cavity of the handle body, and the spring 10 and the O-ring (7, 8) After being placed on the valve stem, the screw plug 12 is restrained in the cavity of the handle body; the trigger is connected to the handle body through the cylindrical elastic pin 6, and the trigger is movably abutted against the valve stem, and the cylindrical elastic pin 5 is passed on the trigger 2 A torsion spring 4 and a trigger button 3 are connected for controlling the trigger.
  • the body group includes a handle body 1 and a cylinder, and the cylinder is disposed in the handle body, and the front end of the inner cavity of the handle body is provided with an internal thread.
  • the cylinder includes a rear cover 16, a rotor 18, a vane 19, a cylinder block 20 and a front cover 21.
  • the vane is disposed on the rotor and disposed in the cylinder body.
  • the rear cover is sleeved on the rear axle of the rotor, and the rear axle is also sleeved on the rear axle.
  • the cover bearing 15 is for supporting the rear axle, and the rear cover is fixedly connected with the rear end of the cylinder; the front cover 21 is sleeved on the front axle of the rotor, and the front axle bearing 23 is further sleeved on the front axle for supporting the front axle, the front The cover is fixedly connected to the front end of the cylinder block.
  • the structure of the blade, the cylinder, the rotor and the back cover are the same as in the prior art, and in this part, the front axle and the front cover are improved because the front cover adds a pin connected to the fixed seat. hole.
  • the improvement of the front axle is one of the key improvements of the present application.
  • the front axle of the present application consists of two parts, a hexagonal prism and a cylinder, wherein the cylinder is connected between the hexagonal prism and the rotor.
  • a handle body sheath 57 is further disposed outside the handle body 1 for shockproof and anti-fall, and improves the comfort of the hand feeling and improves the quality of the product.
  • the connecting structure of the present application comprises a fixing seat 25, a locking ring 28, a compression spring 29, a jacket 30, a shaft retaining ring 31 and a transmission guide sleeve 32, wherein a part of the fixing seat is disposed in the inner cavity of the handle body, and the front cover They are connected by a cylindrical elastic pin 22.
  • one end to which the intake screw is connected with the handle body is the rear end, and the end opposite to the rear end is the front end. Therefore, in the other components of the present application, the front end of any of the components in FIGS. 1 to 7 and The rear end is the same as the handle body.
  • the end of the rotor close to the front end of the handle is the rear end of the rotor, and the end far from the front end of the handle is the front end of the rotor; the end of the cylinder close to the front end of the rotor is the rear end of the cylinder.
  • the end away from the front end of the rotor is the front end of the cylinder; the front and rear ends of all components of the present application are named in this direction.
  • the fixing seat 25 of the present application has a cylindrical tube structure, and a rear end of the fixing base is disposed along the radial direction of the fixed tube, and a cylindrical elastic pin hole is disposed on the extension.
  • the rear end of the fixing seat of the present application is sleeved on The front cover is attached and connected by a cylindrical elastic pin 22.
  • a plurality of steel ball mounting holes are arranged on a side surface of the fixing seat, and the steel ball mounting holes communicate with the inner cavity of the fixing seat, and a steel ball 26 is disposed in each steel ball mounting hole, and a part of the outer surface of the steel ball protrudes into the fixing seat In the lumen.
  • the front end inner cavity of the fixing seat is polygonal; in the present application, the front end inner cavity of the fixing seat is hexagonal.
  • a ring groove is provided on the side surface of the fixing seat near the front end.
  • the outer side surface of the locking ring 28 of the present application is provided with an external thread, and a rear end of the locking ring is provided with an inner edge extending radially inwardly, and a front end of the locking ring is provided with a ring extending radially outward.
  • the outer edge of the fixing sleeve is formed on the fixing seat, and the outer side surface of the fixing seat forms a ring receiving cavity with the inner side of the locking ring.
  • the compression spring 29 is disposed in the receiving cavity, and the rear end of the compression spring 29 abuts On the inner surface of the inner edge, the outer sleeve 30 is sleeved on the fixing seat and is engaged with the steel ball 26 in a movable manner.
  • the front end of the compression spring is abutted against the rear end of the outer casing; the external thread of the locking ring is matched with the internal thread of the front end of the handle body.
  • the cylinder and the fixing seat are fixed in the handle body.
  • the shaft retaining ring 31 is engaged in the card slot for limiting the outer sleeve 30;
  • the front end of the front axle extends into the fixing seat, and the inner cavity of the transmission guide sleeve 32 is hexagonal; the rear end of the transmission guide sleeve is inserted into the interference fit of the front end of the front axle.
  • the body assembly and the connecting structure are connected to the ratchet wrench portion to form a pneumatic ratchet wrench, as shown in FIG. 2 and FIG. 5, wherein the ratchet wrench portion includes a first coupling shaft 33, a first connecting sleeve 34, a gear set, and a first The nut 40, the eccentric shaft 43, the eccentric shaft bearing 42, and the ratchet head set.
  • the first coupling shaft 33 of the present application includes a rear end, a connecting portion and a front end.
  • the rear end of the first coupling shaft is a hexagonal prism for inserting and connecting with the hexagonal cavity of the transmission guide sleeve 32.
  • the connecting portion is cylindrical.
  • the front end side surface of the first coupling shaft is provided with an axial outer rib.
  • the first connecting sleeve 34 includes a first sleeve portion and a first connecting portion; the first sleeve portion has a cylindrical structure, the first connecting portion has a hexagonal prism structure, and the front end of the first connecting portion and the first sleeve portion The back end is connected as an integral structure; the first connecting portion is provided with a first connecting shaft through hole communicating with the first sleeve portion; on the outer surface of the first connecting portion, a ring of the first steel ball engaging groove is provided; when the ratchet wrench is When the part is engaged with the connecting structure, the first connecting part is inserted into the fixing seat, so that the first steel ball engaging groove is opposite to the steel ball mounting hole, and the part of the steel ball enters into the first steel ball engaging groove, so that the first connecting sleeve Connected to the mount.
  • the front end of the inner cavity of the first sleeve portion is provided with an internal thread.
  • the front end of the first coupling shaft is inserted into the first coupling shaft through hole, and a bearing 35 is fitted into the front end of the first coupling shaft for supporting the first coupling shaft 33.
  • the gear set includes a gear ring 36, an idler gear set 37, an idler pin 38 and an idler seat 39;
  • the gear ring is a cylindrical structure, the outer surface of the gear ring is provided with an external thread; and the internal thread is used for the same as the first sleeve portion Threaded connection.
  • the inner surface of the gear ring is provided with an axial internal tooth pattern, and the idler wheel group is meshed with the inner tooth groove; the outer tooth pattern of the first coupling shaft is meshed with the idle gear group; the specific structure is that the idle gear group of the embodiment is composed of three
  • the outer gear is composed of the outer tooth of the first coupling shaft simultaneously meshing with the three outer gears.
  • An idler pin hole is provided in each of the external gears.
  • the idler seat 39 has a cylindrical structure, and an eccentric shaft insertion hole and an idler pin insertion hole are provided on the idler seat, and the idler gear set is coupled to the idler seat through the idler pin.
  • the eccentric shaft bearing 42 is sleeved on the eccentric shaft 43.
  • the oil eccentric sleeve 41 is further sleeved on the eccentric shaft 43.
  • the rear end of the eccentric shaft is inserted into the eccentric shaft socket of the idler seat, and the front end of the eccentric shaft Connected to the ratchet head set.
  • the first nut 40 is coupled to the external thread of the ratchet head set and the gear ring 36, respectively.
  • the ratchet head set includes a ratchet handle 45, a ratchet yoke 46, a direction twist 47, a ratchet head 51, a wave washer 50, a ratchet pin 52, a ratchet pawl 53, a thrust washer 54, a hole retaining ring 55, and the like.
  • the structure of the ratchet head set is not improved in the prior art, and therefore, the structure of the ratchet head set is not described in detail in the present application.
  • the embodiment is composed of the above-mentioned body group, the connecting structure and the straight shank grinder, as shown in FIG. 3 and FIG. 6, wherein the straight shank grinder includes a second connecting shaft 330, Two coupling sleeves 340, a second nut 350 and a straight shank engraving head set.
  • the rear end of the second coupling shaft 330 is a hexagonal prism structure for inserting and mating with the hexagonal inner cavity of the front end of the transmission guide sleeve 32.
  • the front end of the second coupling shaft is provided with an external thread; the front end of the second coupling shaft is externally
  • the surface also includes a smooth portion that is used for the bearing 230 to be nested.
  • the second coupling sleeve 340 includes a second sleeve portion and a second connecting portion; the second sleeve portion has a cylindrical structure, the outer surface is provided with an external thread, the second connecting portion is a hexagonal prism structure, and the front end of the second connecting portion Connecting with the rear end of the second sleeve portion as a unitary structure; providing a second coupling shaft through hole communicating with the second sleeve portion on the second connecting portion; and providing a second steel ball on the outer surface of the second connecting portion Card slot.
  • the second connecting portion When the straight shank grinder portion is engaged with the connecting structure, the second connecting portion is inserted into the fixing seat, so that the second steel ball engaging groove is opposite to the steel ball mounting hole, and the portion of the steel ball enters the second steel ball engaging groove, The second connecting sleeve is connected to the fixing seat.
  • the front end of the second coupling shaft is rotated into the second coupling shaft through hole; the rear end of the straight shank grinding head group is threadedly connected to the front end of the second coupling shaft through the second nut; the second nut and the second shaft The sleeve is threaded.
  • the straight shank grinder head set includes a collet seat 360, a collet 370 and a collet nut 380; the rear end inner cavity of the collet seat is provided with an internal thread for the outer end of the second coupling shaft The threaded thread is connected, and the chuck is inserted into the inner cavity of the front end of the chuck seat, and an external thread is arranged on the outer side of the front end of the chuck seat for screwing with the chuck nut.
  • the pneumatic engraving machine comprising the above-mentioned body group and the connecting structure and the angle grinder portion is as shown in FIG. 4 and FIG. 7 , wherein the angular grinder portion includes a third connecting shaft 303 , The three connecting sleeves 304, the third nut 306 and the angular grinding head group.
  • the front end and the rear end of the third coupling shaft 303 are both hexagonal prism structures; a connecting portion is provided between the front end of the third coupling shaft and the rear end, and the connecting portion is a cylindrical structure for passing through the bearing 305, the bearing 305 It is used to support the third coupling shaft 303.
  • the third coupling sleeve 304 includes a third sleeve portion and a third connecting portion; the third sleeve portion has a cylindrical structure, the outer surface is provided with an external thread, the third connecting portion is a hexagonal prism structure, and the front end of the third connecting portion Connecting with the rear end of the third sleeve portion as a unitary structure; the third connecting portion is provided with a third coupling shaft through hole communicating with the third sleeve portion; and on the outer surface of the third connecting portion, a third steel ball is disposed Card slot;
  • the front end of the third coupling shaft is rotated into the perforation of the third coupling shaft.
  • the angle grinder head group is inserted into the third nut 306 to be mated with the front end of the third coupling shaft 303.
  • the third nut is threadedly coupled to the angle grinder head set and the third connecting sleeve, respectively.
  • the angular grinder head set includes a drive shaft 309, an L-shaped adaptor 400, a drive bevel gear 403, a set screw sleeve 404, a drive shaft 405, a collet 407, and a collet nut 408.
  • the driving shaft is a stepped cylindrical structure, and a driving helical gear is disposed at a front end of the driving shaft, and an axial hexagonal cylindrical hole is disposed at a rear end of the driving shaft, and a front end of the third coupling shaft is inserted into the hexagonal cylindrical hole .
  • the L-shaped adapter is an L-shaped tube structure, wherein an outer thread is arranged on the outer side of the rear end wall, and an inner thread is arranged on the inner side of the front wall; the drive shaft is disposed in the tube body at the rear end of the L-shaped joint, and one end of the third nut The outer thread of the third sleeve portion is threadedly engaged, and the other end of the third nut is threadedly engaged with the external thread of the rear end of the L-shaped joint.
  • the drive shaft is a stepped cylindrical structure; the front end of the drive shaft is provided with an axial collet mounting hole, and an external thread is provided on an outer side wall provided at one end of the collet mounting hole; the collet is inserted into the collet mounting hole And the nut is threadedly connected to the external thread of the drive shaft by the collet nut.
  • the fixing screw sleeve and the transmission helical gear are sleeved on the transmission shaft, and the fixing screw sleeve is fixedly connected with the internal thread of the front end of the L-shaped adapter.
  • the transmission helical gear meshes with the active helical gear; the front end of the third coupling shaft is inserted into the polygonal prism hole.

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  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

Disclosed is a pneumatic tool quick connecting structure, comprising a body group, a connecting structure and two or more transmission groups, wherein the body group and the connecting structure are connected into an integrated structure; each transmission group matches the connecting structure in an engaging manner; and the transmission group is a ratchet wrench part, a straight-shank grinder part or an angle grinder part. Matching between one body group and a plurality of transmission groups is realized by means of the connecting structure, thus surmounting the combination of a single tool and realizing one machine with multiple purposes, and thereby satisfying the requirements of a client for a plurality of tools and reducing the usage cost of the client.

Description

一种气动工具快速连接结构Pneumatic tool quick connection structure 技术领域Technical field
本发明属于气动工具技术领域，特别是指一种气动工具快速连接结构。The invention belongs to the technical field of pneumatic tools, in particular to a quick connection structure of pneumatic tools.
背景技术Background technique
气动工具是现机械、工程或建筑等领域广泛应用的一种以压缩空气为动力的工具，由压缩空气驱动工具内的气缸的转动来带动工作部工作。根据基本工作方式，可以分为旋转式和往复式。Pneumatic tools are compressed air-powered tools that are widely used in the fields of machinery, engineering or construction. The compressed air drives the rotation of the cylinders to drive the working part. According to the basic working mode, it can be divided into rotary and reciprocating.
现有技术中，气动工具的种类较多，比如气动扳手、气动螺丝刀、气动打磨机、气动喷枪、气动射钉枪、气铲等。但是现有技术的气动工具中，每种气动工具仅有单一用途，而无法实现由一种气动工具的动力机构实现多种气动工具的多功能结构，当需要多种气动工具时，必需为每种工作配备单一的气动工具，增加了使用成本。In the prior art, there are many types of pneumatic tools, such as pneumatic wrenches, pneumatic screwdrivers, pneumatic grinding machines, pneumatic spray guns, pneumatic nail guns, and air shovel. However, in the prior art pneumatic tools, each pneumatic tool has only a single use, and it is impossible to realize a multifunctional structure of a plurality of pneumatic tools by a power mechanism of a pneumatic tool. When a plurality of pneumatic tools are required, it is necessary to The work is equipped with a single pneumatic tool, which increases the cost of use.
发明内容Summary of the invention
本发明的目的是提供一种气动工具快速连接结构，以解决现有技术的气动工具不能实现多功能用途的问题。It is an object of the present invention to provide a pneumatic tool quick connect structure to solve the problem that prior art pneumatic tools cannot achieve multifunctional use.
本发明是通过以下技术方案实现的：The invention is achieved by the following technical solutions:
一种气动工具快速连接结构，包括一个本体组、一个连接结构及两个或两个以上的传动组；A pneumatic tool quick connection structure comprises a body group, a connection structure and two or more transmission groups;
所述本体组与所述连接结构连接为一体结构；每个所述传动组均分别与所述连接结构卡接配合。The body group and the connecting structure are connected as a unitary structure; each of the transmission groups is respectively engaged with the connecting structure.
所述传动组为棘轮扳手部、直柄刻磨机部或角向刻磨机部。The transmission group is a ratchet wrench portion, a straight shank grinder portion or an angular grinder portion.
所述本体组包括柄体及气缸；所述气缸设置于所述柄体内；The body set includes a handle body and a cylinder; the cylinder is disposed in the handle body;
所述气缸包括后盖、转子、叶片、缸体及前盖；The cylinder includes a back cover, a rotor, a blade, a cylinder block and a front cover;
所述叶片设置于所述转子上后设置于所述缸体内，所述后盖套于转子的后轴上，所述后盖与所述缸体后端固定连接；所述前盖套于所述转子的前轴上，所述前盖与所述缸体前端固定连接；The blade is disposed on the rotor and disposed in the cylinder body, the rear cover is sleeved on the rear axle of the rotor, and the rear cover is fixedly connected with the rear end of the cylinder; the front cover is sleeved on The front cover of the rotor is fixedly connected to the front end of the cylinder;
所述柄体的内腔前端设置有内螺纹；所述前轴的前端为多棱柱结构。The front end of the inner cavity of the handle body is provided with an internal thread; the front end of the front shaft is a polygonal prism structure.
所述本体组还包括柄体护套，所述柄体护套套于所述柄体外侧。The body set further includes a handle body sheath, the handle body sheath being sleeved outside the handle body.
所述连接结构包括固定座、锁紧环、压簧、外套、轴用挡圈及传动导套；The connecting structure comprises a fixing seat, a locking ring, a compression spring, a jacket, a shaft retaining ring and a transmission guide sleeve;
所述固定座为圆柱管结构；在所述固定座上设置有多个钢珠安装孔，所述钢珠安装孔与所述固定座的内腔连通，在每个所述钢珠安装孔内均设置有一个钢珠，所述固定座的前端内腔为多边形；The fixing base is a cylindrical tube structure; a plurality of steel ball mounting holes are disposed on the fixing base, and the steel ball mounting holes communicate with the inner cavity of the fixing seat, and are disposed in each of the steel ball mounting holes a steel ball, the front end inner cavity of the fixing seat is polygonal;
在所述固定座靠近前端的侧表面设置有一圈卡槽；a ring groove is disposed on a side surface of the fixing seat near the front end;
所述固定座设置于所述柄体内且与所述前盖卡接配合；The fixing seat is disposed in the handle body and is engaged with the front cover;
所述锁紧环套于所述固定座后与所述柄体的前端螺纹连接；The locking ring is threadedly connected to the front end of the handle body after being fastened to the fixing seat;
所述压簧及所述外套依次套于所述固定座上，且所述外套通过所述钢珠与所述固定座卡接配合；所述轴用挡圈卡于所述卡槽内；The pressure spring and the outer sleeve are sequentially sleeved on the fixing seat, and the outer sleeve is engaged with the fixing seat by the steel ball; the shaft retaining ring is engaged in the card slot;
所述传动导套的内径为多边形；所述传动导套的后端与所述前轴的前端插接配合。The inner diameter of the transmission guide sleeve is polygonal; the rear end of the transmission guide sleeve is mated with the front end of the front shaft.
所述棘轮扳手部包括第一联接轴、第一连接套、齿轮组、第一螺帽、偏心轴、偏心轴轴承及棘轮头组；The ratchet wrench portion includes a first coupling shaft, a first connecting sleeve, a gear set, a first nut, an eccentric shaft, an eccentric shaft bearing and a ratchet head set;
所述第一连接套包括第一轴套部及第一连接部；所述第一轴套部为圆筒形结构，所述第一连接部为多棱柱结构，所述第一连接部的前端与所述第一轴套部的后端连接为一体结构；在所述第一连接部上设置有连通所述第一轴套部的第一联接轴穿孔；在所述第一连接部的外表面，设置有一圈第一钢珠卡接槽；The first connecting sleeve includes a first sleeve portion and a first connecting portion; the first sleeve portion is a cylindrical structure, the first connecting portion is a polygonal prism structure, and the front end of the first connecting portion Connecting with the rear end of the first sleeve portion as a unitary structure; providing, on the first connecting portion, a first coupling shaft through hole communicating with the first sleeve portion; outside the first connecting portion a surface of the first steel ball snap groove;
所述第一轴套部的内腔前端设置有内螺纹；The front end of the inner cavity of the first sleeve portion is provided with an internal thread;
所述第一联接轴的后端为多棱柱结构，所述第一联接轴的前端侧表面设置有外齿纹；The rear end of the first coupling shaft is a polygonal prism structure, and the front end side surface of the first coupling shaft is provided with external ribs;
所述齿轮组设置于所述第一轴套部内且与所述第一联接轴的外齿纹啮合；The gear set is disposed in the first sleeve portion and meshes with an outer tooth of the first coupling shaft;
所述偏心轴轴承套于所述偏心轴上，所述偏心轴的后端与所述齿轮组插接配合，所述偏心轴的前端与所述棘轮头组连接；The eccentric shaft bearing sleeve is sleeved on the eccentric shaft, the rear end of the eccentric shaft is mated with the gear set, and the front end of the eccentric shaft is connected with the ratchet head set;
所述第一螺帽分别与所述棘轮头组及所述齿轮组螺纹连接。The first nut is threadedly coupled to the ratchet head set and the gear set, respectively.
所述齿轮组包括齿轮环、惰轮组、惰轮销及惰轮座；The gear set includes a gear ring, an idler set, an idler pin, and an idler seat;
所述齿轮环为圆筒结构，所述齿轮环的外表面设置有外螺纹；The gear ring is a cylindrical structure, and an outer surface of the gear ring is provided with an external thread;
所述齿轮环的内表面设置有轴向的内齿纹，所述惰轮组与所述内齿纹啮合； 所述第一联接轴的外齿纹与所述惰轮组啮合；The inner surface of the gear ring is provided with an axial inner tooth, the idler gear meshes with the inner tooth; the outer tooth of the first coupling shaft meshes with the idler gear;
所述惰轮座为圆柱体结构，在所述惰轮座上设置有偏心轴插孔及惰轮销插孔，所述惰轮组通过所述惰轮销与所述惰轮座连接。The idler seat has a cylindrical structure, and an eccentric shaft insertion hole and an idler pin insertion hole are disposed on the idler seat, and the idler set is coupled to the idler seat through the idler pin.
所述直柄刻磨机部包括第二联接轴、第二联接套、第二螺帽及直柄刻磨机头组；The straight shank grinder portion includes a second coupling shaft, a second coupling sleeve, a second nut and a straight shank grinder head set;
所述第二联接轴的后端为多棱柱结构，所述第二联接轴的前端设置有外螺纹；a rear end of the second coupling shaft is a polygonal prism structure, and a front end of the second coupling shaft is provided with an external thread;
所述第二联接套包括第二轴套部及第二连接部；所述第二轴套部为圆筒形结构，外表面设置有外螺纹，所述第二连接部为多棱柱结构，所述第二连接部的前端与所述第二轴套部的后端连接为一体结构；在所述第二连接部上设置有连通所述第二轴套部的第二联接轴穿孔；在所述第二连接部的外表面，设置有一圈第二钢珠卡接槽；The second coupling sleeve includes a second sleeve portion and a second connecting portion; the second sleeve portion has a cylindrical structure, the outer surface is provided with an external thread, and the second connecting portion is a polygonal prism structure. The front end of the second connecting portion is connected to the rear end of the second bushing portion as a unitary structure; and the second connecting portion is provided with a second connecting shaft through hole communicating with the second bushing portion; a second steel ball engaging groove is disposed on an outer surface of the second connecting portion;
所述第二联接轴的前端转动***所述第二联接轴穿孔内；所述直柄刻磨机头组的后端穿过所述第二螺帽后与所述第二联接轴的前端螺纹连接；所述第二螺帽与所述第二轴套部螺纹连接。a front end of the second coupling shaft is rotationally inserted into the second coupling shaft through hole; a rear end of the straight shank grinder head group passes through the second nut and a front end thread of the second coupling shaft Connecting; the second nut is screwed to the second sleeve portion.
所述角向刻磨机部包括第三联接轴、第三连接套、第三螺帽及角向刻磨机头组；The angle grinder portion includes a third coupling shaft, a third connecting sleeve, a third nut and an angle grinder head set;
所述第三联接轴的前端及后端均为多棱柱结构；The front end and the rear end of the third coupling shaft are all polygonal prism structures;
所述第三联接套包括第三轴套部及第三连接部；所述第三轴套部为圆筒形结构，外表面设置有外螺纹，所述第三连接部为多棱柱结构，所述第三连接部的前端与所述第三轴套部的后端连接为一体结构；在所述第三连接部上设置有连通所述第三轴套部的第三联接轴穿孔；在所述第三连接部的外表面，设置有一圈第三钢珠卡接槽；The third coupling sleeve includes a third sleeve portion and a third connecting portion; the third sleeve portion has a cylindrical structure, the outer surface is provided with an external thread, and the third connecting portion is a polygonal prism structure. The front end of the third connecting portion is connected to the rear end of the third bushing portion as a unitary structure; and the third connecting portion is provided with a third connecting shaft through hole communicating with the third bushing portion; a third steel ball snap groove is disposed on an outer surface of the third connecting portion;
所述第三联接轴的前端转动***所述第三联接轴穿孔内；The front end of the third coupling shaft is rotationally inserted into the perforation of the third coupling shaft;
所述角向刻磨机头组穿过所述第三螺帽后与所述第三联接轴的前端插接配合；The angle grinder head group is inserted into the front end of the third coupling shaft after passing through the third nut;
所述第三螺帽分别与所述角向刻磨机头组及所述第三连接套螺纹连接。The third nut is threadedly coupled to the angle grinder head set and the third connecting sleeve, respectively.
所述角向刻磨机头组包括驱动轴、L型转接头、传动斜齿轮、固定螺丝套、传动轴、夹头及夹头螺帽；The angle grinder head set includes a drive shaft, an L-shaped adapter, a transmission helical gear, a fixing screw sleeve, a transmission shaft, a collet and a collet nut;
所述驱动轴为台阶形圆柱体结构，在所述驱动轴的前端设置有主动斜齿轮，在所述驱动轴的后端设置有轴向的多棱柱形孔；The drive shaft is a stepped cylindrical structure, a front helical gear is disposed at a front end of the drive shaft, and an axial polygonal prismatic hole is disposed at a rear end of the drive shaft;
所述L型转接头为L型管结构，其中后端的管壁外侧设置有外螺纹，前端的管壁内侧设置有内螺纹；The L-shaped joint is an L-shaped pipe structure, wherein an outer thread is arranged on the outer side of the pipe wall at the rear end, and an inner thread is arranged on the inner side of the pipe wall at the front end;
所述传动轴为台阶形圆柱体结构；所述传动轴的前端设置有轴向的夹头安装孔，并在设置有所述夹头安装孔一端的外侧壁设置有外螺纹；所述夹头插接于所述夹头安装孔内，并由所述夹头螺帽与所述传动轴的外螺纹螺纹连接；The drive shaft is a stepped cylindrical structure; the front end of the drive shaft is provided with an axial collet mounting hole, and an outer thread is provided on an outer side wall provided at one end of the collet mounting hole; the collet Plugged into the collet mounting hole, and threadedly connected to the external thread of the drive shaft by the collet nut;
所述固定螺丝套及所述传动斜齿轮均套于所述传动轴上，所述固定螺丝套与所述L型转接头的前端的内螺纹固定连接；The fixing screw sleeve and the transmission helical gear are sleeved on the transmission shaft, and the fixing screw sleeve is fixedly connected with the internal thread of the front end of the L-shaped adapter;
所述传动斜齿轮与所述主动斜齿轮啮合；所述第三联接轴的前端***所述多棱柱孔内；The transmission helical gear meshes with the active helical gear; the front end of the third coupling shaft is inserted into the polygonal prism hole;
所述第三螺帽与所述L型转接头的后端的外螺纹螺纹配合。The third nut is threadedly engaged with the external thread of the rear end of the L-shaped adapter.
本发明的有益效果是：The beneficial effects of the invention are:
本发明通过一个连接结构实现一个本体组与多个传动组配合，突破了单一的一支工具的组合，实现一机多用，从而满了客户对多个工具的需求，降低了客户的使用成本。The invention realizes a body group and a plurality of transmission groups through a connection structure, breaks through the combination of a single tool, realizes multi-purpose of one machine, thereby filling the demand of the customer for multiple tools and reducing the use cost of the customer.
附图说明DRAWINGS
图1为本发明本体组与连接结构的分解图；1 is an exploded view of a body set and a connection structure of the present invention;
图2为棘轮扳手部分解图；Figure 2 is a partial exploded view of the ratchet wrench;
图3为直柄刻磨机部分解图；Figure 3 is a partial exploded view of the straight shank grinder;
图4为角向刻磨机部分解图；Figure 4 is a partial exploded view of the angular grinder;
图5为带棘轮扳手部的本体组分解图；Figure 5 is an exploded view of the body set with a ratchet wrench portion;
图6为带直柄刻磨机部的本体组分解图；Figure 6 is an exploded view of the body set with a straight shank grinder section;
图7为带角向刻磨机部的本体组分解图。Fig. 7 is an exploded view of the body group of the angular engraving machine.
附图标记说明Description of the reference numerals
1柄体，2扳机，3扳机扣，4扭簧，5圆柱弹性销，6圆柱弹性销，7O型圈，8O型圈，9阀杆，10弹簧，11O型圈，12螺塞，13消音片，14进气螺丝，15后盖轴承，16后盖，17钢珠，18转子，19 叶片，20缸体，21前盖，22圆柱弹性销，23前盖轴承，24固定座衬套，25固定座，26钢珠，27O型圈，28锁紧环，29压簧，30外套，31轴用挡圈，32传动导套，33第一联接轴，34第一联接套，35轴承，36齿轮环，37惰轮组，38惰轮销，39惰轮座，40第一螺帽，41含油轴套，42偏心轴承，43偏心轴，44主动导套，45棘轮柄，46棘轮轭，47方向扭，48顶套弹簧，49顶套，50波形垫片，51棘轮头，52棘轮销，53棘轮爪，54止推垫圈，55孔用挡圈，56防脱弹簧，57柄体护套，303第三联接轴，304第三联接套，305轴承，306第三螺帽，307拼帽，308轴承，309驱动轴，400L型转接头，401注油阀，402轴承，403传动斜齿轮，404固定螺丝套，405传动轴，406半圆键，407夹头，408夹头螺帽，409轴承，230轴承，330第二联接轴，340第二联接套，350第二螺帽，360夹头座，370夹头，380夹头螺帽。1 handle body, 2 trigger, 3 trigger buckle, 4 torsion spring, 5 cylindrical elastic pin, 6 cylindrical elastic pin, 7O ring, 8O ring, 9 stem, 10 spring, 11O ring, 12 screw plug, 13 silencer Sheet, 14 intake screw, 15 rear cover bearing, 16 rear cover, 17 steel ball, 18 rotor, 19 blade, 20 cylinder, 21 front cover, 22 cylindrical elastic pin, 23 front cover bearing, 24 fixed seat bushing, 25 Fixed seat, 26 steel ball, 27O ring, 28 locking ring, 29 compression spring, 30 jacket, 31 shaft retaining ring, 32 drive guide sleeve, 33 first coupling shaft, 34 first coupling sleeve, 35 bearing, 36 gear Ring, 37 idler set, 38 idler pin, 39 idler seat, 40 first nut, 41 oil bushing, 42 eccentric bearing, 43 eccentric shaft, 44 active bushing, 45 ratchet handle, 46 ratchet yoke, 47 Direction twist, 48 top set spring, 49 top set, 50 wave washer, 51 ratchet head, 52 ratchet pin, 53 ratchet pawl, 54 thrust washer, 55 hole retaining ring, 56 anti-off spring, 57 handle body sheath , 303 third coupling shaft, 304 third coupling sleeve, 305 bearing, 306 third nut, 307 cap, 308 bearing, 309 drive shaft, 400L adapter, 401 oil valve, 402 bearing, 403 transmission helical gear, 404 fixed Wire sleeve, 405 drive shaft, 406 semi-circular key, 407 chuck, 408 chuck nut, 409 bearing, 230 bearing, 330 second coupling shaft, 340 second coupling sleeve, 350 second nut, 360 collet seat, 370 chuck, 380 collet nut.
具体实施方式Detailed ways
以下通过实施例来详细说明本发明的技术方案，以下的实施例仅是示例性的，仅能用来解释和说明本发明的技术方案，而不能解释为是对本发明技术方案的限制。The following is a detailed description of the technical solutions of the present invention by way of examples, and the following embodiments are merely illustrative and are not to be construed as limiting the technical solutions of the present invention.
本申请提供一种气动工具快速连接结构，如图1所示，包括一个本体组、一个连接结构及两个或两个以上的传动组。The application provides a pneumatic tool quick connection structure, as shown in FIG. 1, comprising a body group, a connection structure and two or more transmission groups.
本体组与连接结构连接为一体结构，每个传动组均能够分别与连接结构卡接配合。The body group and the connecting structure are connected as an integral structure, and each of the transmission groups can be respectively engaged with the connecting structure.
在本申请的技术方案中，传动组为棘轮扳手部、直柄刻磨机部或角向刻磨机部，在本申请的其它实施例中，经过对传动组进行部分的改进，也能够适应于其它的用途的气动工具，比如气动螺丝刀、气钻、气铲、气动磨光机、气动切割机、气剪等，均可能通过本申请的连接结构与本体组连接。In the technical solution of the present application, the transmission group is a ratchet wrench portion, a straight shank grinder portion or an angular grinder portion, and in other embodiments of the present application, a partial improvement of the transmission group can also be adapted. Pneumatic tools for other purposes, such as pneumatic screwdrivers, pneumatic drills, air shovel, pneumatic sanders, pneumatic cutters, gas shears, etc., may be connected to the body set through the connection structure of the present application.
本申请的本体组中，一部分的结构为现有技术，比如，为实现本体组的转动提供气源的进气螺丝14、为了减少声音的消音片13，为了控制本体组是否转动的扳机2及与实现本体组工作的扳机扣3、扭簧4，以及控制气源是否进入的阀杆9、弹簧10、及螺塞12等，均为现有技术，并且其连接关系在本申 请中，也没有改进，在此仅进行简单的描述，并不在本申请的保护范围之内。In the body group of the present application, a part of the structure is prior art, for example, an air intake screw 14 for providing a gas source for rotating the body group, a sound absorbing sheet 13 for reducing sound, a trigger 2 for controlling whether the body group is rotated or not The trigger 3 for operating the body group, the torsion spring 4, and the valve stem 9, the spring 10, and the screw plug 12 for controlling whether the air source enters are all prior art, and the connection relationship thereof is also in the present application. There is no improvement, and only a brief description is made herein, and is not within the scope of the present application.
消音片13设置于柄体1腔体内的后端，进气螺丝14与柄体的后端螺纹连接；阀杆9设置于柄体的腔体内，并且弹簧10及O型圈(7，8)套于阀杆上后，由螺塞12限制于柄体的腔体内；扳机通过圆柱弹性销6连接于柄体上，并且扳机与阀杆活动式抵接，在扳机2上通过圆柱弹性销5连接有扭簧4及扳机扣3，用于控制扳机。The muffler 13 is disposed at the rear end of the body of the handle body 1, and the intake screw 14 is screwed to the rear end of the handle body; the valve stem 9 is disposed in the cavity of the handle body, and the spring 10 and the O-ring (7, 8) After being placed on the valve stem, the screw plug 12 is restrained in the cavity of the handle body; the trigger is connected to the handle body through the cylindrical elastic pin 6, and the trigger is movably abutted against the valve stem, and the cylindrical elastic pin 5 is passed on the trigger 2 A torsion spring 4 and a trigger button 3 are connected for controlling the trigger.
本体组包括柄体1及气缸，气缸设置于柄体内，柄体的内腔前端设置有内螺纹。The body group includes a handle body 1 and a cylinder, and the cylinder is disposed in the handle body, and the front end of the inner cavity of the handle body is provided with an internal thread.
气缸包括后盖16、转子18、叶片19、缸体20及前盖21，叶片设置于转子上后设置于缸体内，后盖套于转子的后轴上，在后轴上还套有后盖轴承15，用于支撑后轴，后盖与缸体后端固定连接；前盖21套于转子的前轴上，在前轴上还套有前轴轴承23，用以支撑前轴，前盖与缸体前端固定连接。The cylinder includes a rear cover 16, a rotor 18, a vane 19, a cylinder block 20 and a front cover 21. The vane is disposed on the rotor and disposed in the cylinder body. The rear cover is sleeved on the rear axle of the rotor, and the rear axle is also sleeved on the rear axle. The cover bearing 15 is for supporting the rear axle, and the rear cover is fixedly connected with the rear end of the cylinder; the front cover 21 is sleeved on the front axle of the rotor, and the front axle bearing 23 is further sleeved on the front axle for supporting the front axle, the front The cover is fixedly connected to the front end of the cylinder block.
在本申请中，叶片、缸体、转子及后盖的结构均与现有技术相同，在此部分中，有所改进的为前轴及前盖，因为前盖增加了与固定座连接的销孔。In the present application, the structure of the blade, the cylinder, the rotor and the back cover are the same as in the prior art, and in this part, the front axle and the front cover are improved because the front cover adds a pin connected to the fixed seat. hole.
对于前轴的改进，是本申请的关键改进之一，本申请的前轴由两部分组成，分别为六棱柱与圆柱，其中圆柱连接于六棱柱与转子之间。The improvement of the front axle is one of the key improvements of the present application. The front axle of the present application consists of two parts, a hexagonal prism and a cylinder, wherein the cylinder is connected between the hexagonal prism and the rotor.
在本申请的技术方案中，在柄体1外还设置有柄体护套57，用于防震防摔，并提高手感的舒适性，提高产品的品质。In the technical solution of the present application, a handle body sheath 57 is further disposed outside the handle body 1 for shockproof and anti-fall, and improves the comfort of the hand feeling and improves the quality of the product.
本申请的连接结构包括固定座25、锁紧环28、压簧29、外套30、轴用挡圈31及传动导套32，其中固定座的一部分设置于柄体的内腔，并且与前盖通过圆柱弹性销22连接。The connecting structure of the present application comprises a fixing seat 25, a locking ring 28, a compression spring 29, a jacket 30, a shaft retaining ring 31 and a transmission guide sleeve 32, wherein a part of the fixing seat is disposed in the inner cavity of the handle body, and the front cover They are connected by a cylindrical elastic pin 22.
在本申请中，以柄体连接有进气螺丝的一端为后端，与后端相对的一端为前端，因此，本申请的其它部件中，如图1至图7中的任何部件的前端及后端均与柄体相同，如图1所示，转子与柄体前端接近的一端为转子后端，远离柄体前端的一端为转子前端；缸体与转子前端相近的一端为缸体后端，远离转子前端的一端为缸体前端；本申请的所有部件的前端与后端均依此方向命名。In the present application, one end to which the intake screw is connected with the handle body is the rear end, and the end opposite to the rear end is the front end. Therefore, in the other components of the present application, the front end of any of the components in FIGS. 1 to 7 and The rear end is the same as the handle body. As shown in Fig. 1, the end of the rotor close to the front end of the handle is the rear end of the rotor, and the end far from the front end of the handle is the front end of the rotor; the end of the cylinder close to the front end of the rotor is the rear end of the cylinder. The end away from the front end of the rotor is the front end of the cylinder; the front and rear ends of all components of the present application are named in this direction.
本申请的固定座25为圆柱管结构，并且在固定座的后端沿固定管的径向设置有一圈外延，并且在外延上设置有圆柱弹性销孔，本申请的固定座的后端套于前盖上，并且由圆柱弹性销22插接连接。The fixing seat 25 of the present application has a cylindrical tube structure, and a rear end of the fixing base is disposed along the radial direction of the fixed tube, and a cylindrical elastic pin hole is disposed on the extension. The rear end of the fixing seat of the present application is sleeved on The front cover is attached and connected by a cylindrical elastic pin 22.
在固定座的侧表面上设置有多个钢珠安装孔，钢珠安装孔与固定座的内腔连通，在每个钢珠安装孔内均设置有一个钢珠26，钢珠的部分外表面伸入到固定座的内腔中。A plurality of steel ball mounting holes are arranged on a side surface of the fixing seat, and the steel ball mounting holes communicate with the inner cavity of the fixing seat, and a steel ball 26 is disposed in each steel ball mounting hole, and a part of the outer surface of the steel ball protrudes into the fixing seat In the lumen.
固定座的前端内腔为多边形；在本申请中，固定座的前端内腔为六边形。The front end inner cavity of the fixing seat is polygonal; in the present application, the front end inner cavity of the fixing seat is hexagonal.
在固定座靠近前端的侧表面设置有一圈卡槽。A ring groove is provided on the side surface of the fixing seat near the front end.
本申请的锁紧环28的外侧面设置有外螺纹，并且在锁紧环的后端设置有向内径向延伸的一圈内沿，在锁紧环的前端设置有一圈向外径向延伸的外沿；锁紧环套于固定座上，且固定座的外侧面与锁紧环的内侧面形成一圈容纳腔，压簧29设置于该容纳腔内，且压簧29的后端抵于内沿的内表面上，外套30套于固定座上后与钢珠26活动式卡接配合，压簧的前端与外套的后端相抵；锁紧环的外螺纹与柄体前端的内螺纹螺纹配合，将气缸及固定座固定于柄体内。The outer side surface of the locking ring 28 of the present application is provided with an external thread, and a rear end of the locking ring is provided with an inner edge extending radially inwardly, and a front end of the locking ring is provided with a ring extending radially outward. The outer edge of the fixing sleeve is formed on the fixing seat, and the outer side surface of the fixing seat forms a ring receiving cavity with the inner side of the locking ring. The compression spring 29 is disposed in the receiving cavity, and the rear end of the compression spring 29 abuts On the inner surface of the inner edge, the outer sleeve 30 is sleeved on the fixing seat and is engaged with the steel ball 26 in a movable manner. The front end of the compression spring is abutted against the rear end of the outer casing; the external thread of the locking ring is matched with the internal thread of the front end of the handle body. The cylinder and the fixing seat are fixed in the handle body.
轴用挡圈31卡接于卡槽内，用于对外套30限位；The shaft retaining ring 31 is engaged in the card slot for limiting the outer sleeve 30;
前轴的前端伸入固定座内，传动导套32的内腔为六边形；传动导套的后端与前轴的前端插接过盈配合。The front end of the front axle extends into the fixing seat, and the inner cavity of the transmission guide sleeve 32 is hexagonal; the rear end of the transmission guide sleeve is inserted into the interference fit of the front end of the front axle.
实施例1Example 1
上述的本体组及连接结构与棘轮扳手部连接，组成气动棘轮扳手，如图2和图5所示，其中，棘轮扳手部包括第一联接轴33、第一连接套34、齿轮组、第一螺帽40、偏心轴43、偏心轴轴承42及棘轮头组。The body assembly and the connecting structure are connected to the ratchet wrench portion to form a pneumatic ratchet wrench, as shown in FIG. 2 and FIG. 5, wherein the ratchet wrench portion includes a first coupling shaft 33, a first connecting sleeve 34, a gear set, and a first The nut 40, the eccentric shaft 43, the eccentric shaft bearing 42, and the ratchet head set.
本申请的第一联接轴33包括后端、连接部及前端，第一联接轴的后端为六棱柱，用于同传动导套32的六边形内腔插接连接，连接部为圆柱形结构，第一联接轴的前端侧表面设置有轴向的外齿纹。The first coupling shaft 33 of the present application includes a rear end, a connecting portion and a front end. The rear end of the first coupling shaft is a hexagonal prism for inserting and connecting with the hexagonal cavity of the transmission guide sleeve 32. The connecting portion is cylindrical. The front end side surface of the first coupling shaft is provided with an axial outer rib.
第一连接套34包括第一轴套部及第一连接部；第一轴套部为圆筒形结构，第一连接部为六棱柱结构，第一连接部的前端与第一轴套部的后端连接为一体结构；在第一连接部上设置有连通第一轴套部的第一联接轴穿孔；在第一连接部的外表面，设置有一圈第一钢珠卡接槽；当棘轮扳手部与连接结构卡接时，将第一连接部***到固定座内，使第一钢珠卡接槽与钢珠安装孔相对，钢珠的部分进入到第一钢珠卡接槽内，使得第一连接套与固定座连接。The first connecting sleeve 34 includes a first sleeve portion and a first connecting portion; the first sleeve portion has a cylindrical structure, the first connecting portion has a hexagonal prism structure, and the front end of the first connecting portion and the first sleeve portion The back end is connected as an integral structure; the first connecting portion is provided with a first connecting shaft through hole communicating with the first sleeve portion; on the outer surface of the first connecting portion, a ring of the first steel ball engaging groove is provided; when the ratchet wrench is When the part is engaged with the connecting structure, the first connecting part is inserted into the fixing seat, so that the first steel ball engaging groove is opposite to the steel ball mounting hole, and the part of the steel ball enters into the first steel ball engaging groove, so that the first connecting sleeve Connected to the mount.
第一轴套部的内腔前端设置有内螺纹。将第一联接轴的前端***到第一联接轴穿孔内，并在第一联接轴的前端套入轴承35，用于支撑第一联接轴33。The front end of the inner cavity of the first sleeve portion is provided with an internal thread. The front end of the first coupling shaft is inserted into the first coupling shaft through hole, and a bearing 35 is fitted into the front end of the first coupling shaft for supporting the first coupling shaft 33.
齿轮组包括齿轮环36、惰轮组37、惰轮销38及惰轮座39；齿轮环为圆筒结构，齿轮环的外表面设置有外螺纹；用于同第一轴套部的内螺纹螺纹连接。The gear set includes a gear ring 36, an idler gear set 37, an idler pin 38 and an idler seat 39; the gear ring is a cylindrical structure, the outer surface of the gear ring is provided with an external thread; and the internal thread is used for the same as the first sleeve portion Threaded connection.
齿轮环的内表面设置有轴向的内齿纹，惰轮组与内齿纹啮合；第一联接轴的外齿纹与惰轮组啮合；具体结构为，本实施例的惰轮组由三个外齿轮组成，第一联接轴的外齿纹同时与三个外齿轮啮合。在每个外齿轮上均设置有一个惰轮销孔。The inner surface of the gear ring is provided with an axial internal tooth pattern, and the idler wheel group is meshed with the inner tooth groove; the outer tooth pattern of the first coupling shaft is meshed with the idle gear group; the specific structure is that the idle gear group of the embodiment is composed of three The outer gear is composed of the outer tooth of the first coupling shaft simultaneously meshing with the three outer gears. An idler pin hole is provided in each of the external gears.
惰轮座39为圆柱体结构，在惰轮座上设置有偏心轴插孔及惰轮销插孔，惰轮组通过惰轮销与惰轮座连接。The idler seat 39 has a cylindrical structure, and an eccentric shaft insertion hole and an idler pin insertion hole are provided on the idler seat, and the idler gear set is coupled to the idler seat through the idler pin.
偏心轴轴承42套于偏心轴43上，在本实施例中，在偏心轴43上还套有含油轴套41，偏心轴的后端***惰轮座的偏心轴插孔内，偏心轴的前端与棘轮头组连接。The eccentric shaft bearing 42 is sleeved on the eccentric shaft 43. In the embodiment, the oil eccentric sleeve 41 is further sleeved on the eccentric shaft 43. The rear end of the eccentric shaft is inserted into the eccentric shaft socket of the idler seat, and the front end of the eccentric shaft Connected to the ratchet head set.
第一螺帽40分别与棘轮头组及齿轮环36的外螺纹连接。The first nut 40 is coupled to the external thread of the ratchet head set and the gear ring 36, respectively.
棘轮头组包括棘轮柄45、棘轮轭46、方向扭47、棘轮头51、波形垫片50、棘轮销52、棘轮爪53、止推垫圈54及孔用挡圈55等。The ratchet head set includes a ratchet handle 45, a ratchet yoke 46, a direction twist 47, a ratchet head 51, a wave washer 50, a ratchet pin 52, a ratchet pawl 53, a thrust washer 54, a hole retaining ring 55, and the like.
在本申请中，棘轮头组的结构为现有技术没有进行改进，因此，本申请不对棘轮头组的结构进行详细的说明。In the present application, the structure of the ratchet head set is not improved in the prior art, and therefore, the structure of the ratchet head set is not described in detail in the present application.
实施例2Example 2
本实施例由上述的本体组、连接结构及直柄刻磨机部组成的气动刻磨机，如图3和图6所示，其中，直柄刻磨机部包括第二联接轴330、第二联接套340、第二螺帽350及直柄刻磨机头组。The embodiment is composed of the above-mentioned body group, the connecting structure and the straight shank grinder, as shown in FIG. 3 and FIG. 6, wherein the straight shank grinder includes a second connecting shaft 330, Two coupling sleeves 340, a second nut 350 and a straight shank engraving head set.
第二联接轴330的后端为六棱柱结构，用于与传动导套32前端的六边形内腔插接配合，第二联接轴的前端设置有外螺纹；第二联接轴的前端的外表面还包括有光滑部分，该部分用于轴承230套入。The rear end of the second coupling shaft 330 is a hexagonal prism structure for inserting and mating with the hexagonal inner cavity of the front end of the transmission guide sleeve 32. The front end of the second coupling shaft is provided with an external thread; the front end of the second coupling shaft is externally The surface also includes a smooth portion that is used for the bearing 230 to be nested.
第二联接套340包括第二轴套部及第二连接部；第二轴套部为圆筒形结构，外表面设置有外螺纹，第二连接部为六棱柱结构，第二连接部的前端与第二轴套部的后端连接为一体结构；在第二连接部上设置有连通第二轴套部的第二联接轴穿孔；在第二连接部的外表面，设置有一圈第二钢珠卡接槽。The second coupling sleeve 340 includes a second sleeve portion and a second connecting portion; the second sleeve portion has a cylindrical structure, the outer surface is provided with an external thread, the second connecting portion is a hexagonal prism structure, and the front end of the second connecting portion Connecting with the rear end of the second sleeve portion as a unitary structure; providing a second coupling shaft through hole communicating with the second sleeve portion on the second connecting portion; and providing a second steel ball on the outer surface of the second connecting portion Card slot.
当直柄刻磨机部与连接结构卡接时，将第二连接部***到固定座内，使第 二钢珠卡接槽与钢珠安装孔相对，钢珠的部分进入到第二钢珠卡接槽内，使得第二连接套与固定座连接。When the straight shank grinder portion is engaged with the connecting structure, the second connecting portion is inserted into the fixing seat, so that the second steel ball engaging groove is opposite to the steel ball mounting hole, and the portion of the steel ball enters the second steel ball engaging groove, The second connecting sleeve is connected to the fixing seat.
第二联接轴的前端转动***第二联接轴穿孔内；直柄刻磨机头组的后端穿过第二螺帽后与第二联接轴的前端螺纹连接；第二螺帽与第二轴套部螺纹连接。The front end of the second coupling shaft is rotated into the second coupling shaft through hole; the rear end of the straight shank grinding head group is threadedly connected to the front end of the second coupling shaft through the second nut; the second nut and the second shaft The sleeve is threaded.
具体结构为，直柄刻磨机头组包括夹头座360、夹头370及夹头螺帽380；夹头座的后端内腔设置有内螺纹，用于同第二联接轴前端的外螺纹螺纹连接，夹头插接于夹头座的前端内腔内，在夹头座的前端外侧面设置有外螺纹，用于同夹头螺帽螺纹连接。The specific structure is that the straight shank grinder head set includes a collet seat 360, a collet 370 and a collet nut 380; the rear end inner cavity of the collet seat is provided with an internal thread for the outer end of the second coupling shaft The threaded thread is connected, and the chuck is inserted into the inner cavity of the front end of the chuck seat, and an external thread is arranged on the outer side of the front end of the chuck seat for screwing with the chuck nut.
实施例3Example 3
本实施例由上述的本体组及连接结构及角向刻磨机部组成的气动刻磨机，如图4和图7所示，其中，角向刻磨机部包括第三联接轴303、第三连接套304、第三螺帽306及角向刻磨机头组。In this embodiment, the pneumatic engraving machine comprising the above-mentioned body group and the connecting structure and the angle grinder portion is as shown in FIG. 4 and FIG. 7 , wherein the angular grinder portion includes a third connecting shaft 303 , The three connecting sleeves 304, the third nut 306 and the angular grinding head group.
第三联接轴303的前端及后端均为六棱柱结构；在第三联接轴的前端在与后端之间设置有连接部，连接部为圆柱形结构，用于穿过轴承305，轴承305用于支撑第三联接轴303。The front end and the rear end of the third coupling shaft 303 are both hexagonal prism structures; a connecting portion is provided between the front end of the third coupling shaft and the rear end, and the connecting portion is a cylindrical structure for passing through the bearing 305, the bearing 305 It is used to support the third coupling shaft 303.
第三联接套304包括第三轴套部及第三连接部；第三轴套部为圆筒形结构，外表面设置有外螺纹，第三连接部为六棱柱结构，第三连接部的前端与第三轴套部的后端连接为一体结构；在第三连接部上设置有连通第三轴套部的第三联接轴穿孔；在第三连接部的外表面，设置有一圈第三钢珠卡接槽；The third coupling sleeve 304 includes a third sleeve portion and a third connecting portion; the third sleeve portion has a cylindrical structure, the outer surface is provided with an external thread, the third connecting portion is a hexagonal prism structure, and the front end of the third connecting portion Connecting with the rear end of the third sleeve portion as a unitary structure; the third connecting portion is provided with a third coupling shaft through hole communicating with the third sleeve portion; and on the outer surface of the third connecting portion, a third steel ball is disposed Card slot;
第三联接轴的前端转动***第三联接轴穿孔内。The front end of the third coupling shaft is rotated into the perforation of the third coupling shaft.
角向刻磨机头组穿过第三螺帽306后与第三联接轴303的前端插接配合。The angle grinder head group is inserted into the third nut 306 to be mated with the front end of the third coupling shaft 303.
第三螺帽分别与角向刻磨机头组及第三连接套螺纹连接。The third nut is threadedly coupled to the angle grinder head set and the third connecting sleeve, respectively.
角向刻磨机头组包括驱动轴309、L型转接头400、传动斜齿轮403、固定螺丝套404、传动轴405、夹头407及夹头螺帽408。The angular grinder head set includes a drive shaft 309, an L-shaped adaptor 400, a drive bevel gear 403, a set screw sleeve 404, a drive shaft 405, a collet 407, and a collet nut 408.
驱动轴为台阶形圆柱体结构，在驱动轴的前端设置有主动斜齿轮，在驱动轴的后端设置有轴向的六棱柱形孔，第三联接轴的前端插接于六棱柱形孔内。The driving shaft is a stepped cylindrical structure, and a driving helical gear is disposed at a front end of the driving shaft, and an axial hexagonal cylindrical hole is disposed at a rear end of the driving shaft, and a front end of the third coupling shaft is inserted into the hexagonal cylindrical hole .
L型转接头为L型管结构，其中后端的管壁外侧设置有外螺纹，前端的管壁内侧设置有内螺纹；驱动轴设置于L型转接头后端的管体内，第三螺帽的一 端与第三轴套部的外螺纹螺纹配合，第三螺帽的另一端与L型转接头后端的外螺纹螺纹配合。The L-shaped adapter is an L-shaped tube structure, wherein an outer thread is arranged on the outer side of the rear end wall, and an inner thread is arranged on the inner side of the front wall; the drive shaft is disposed in the tube body at the rear end of the L-shaped joint, and one end of the third nut The outer thread of the third sleeve portion is threadedly engaged, and the other end of the third nut is threadedly engaged with the external thread of the rear end of the L-shaped joint.
传动轴为台阶形圆柱体结构；传动轴的前端设置有轴向的夹头安装孔，并在设置有夹头安装孔一端的外侧壁设置有外螺纹；夹头插接于夹头安装孔内，并由夹头螺帽与传动轴的外螺纹螺纹连接。The drive shaft is a stepped cylindrical structure; the front end of the drive shaft is provided with an axial collet mounting hole, and an external thread is provided on an outer side wall provided at one end of the collet mounting hole; the collet is inserted into the collet mounting hole And the nut is threadedly connected to the external thread of the drive shaft by the collet nut.
固定螺丝套及传动斜齿轮均套于传动轴上，固定螺丝套与L型转接头的前端的内螺纹固定连接。The fixing screw sleeve and the transmission helical gear are sleeved on the transmission shaft, and the fixing screw sleeve is fixedly connected with the internal thread of the front end of the L-shaped adapter.
传动斜齿轮与主动斜齿轮啮合；第三联接轴的前端***多棱柱孔内。The transmission helical gear meshes with the active helical gear; the front end of the third coupling shaft is inserted into the polygonal prism hole.
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同限定。While the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art The scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

  1. 一种气动工具快速连接结构，其特征在于，包括一个本体组、一个连接结构及两个或两个以上的传动组；A pneumatic tool quick connection structure, comprising: a body group, a connection structure and two or more transmission groups;
    所述本体组与所述连接结构连接为一体结构；每个所述传动组均分别与所述连接结构卡接配合。The body group and the connecting structure are connected as a unitary structure; each of the transmission groups is respectively engaged with the connecting structure.
  2. 根据权利要求1所述的气动工具快速连接结构，其特征在于，所述传动组为棘轮扳手部、直柄刻磨机部或角向刻磨机部。The pneumatic tool quick connect structure according to claim 1, wherein the transmission group is a ratchet wrench portion, a straight shank grinder portion or an angular grinder portion.
  3. 根据权利要求1所述的气动工具快速连接结构，其特征在于，所述本体组包括柄体及气缸；所述气缸设置于所述柄体内；The quick connect structure of the pneumatic tool according to claim 1, wherein the body set comprises a handle body and a cylinder; the cylinder is disposed in the handle body;
    所述气缸包括后盖、转子、叶片、缸体及前盖；The cylinder includes a back cover, a rotor, a blade, a cylinder block and a front cover;
    所述叶片设置于所述转子上后设置于所述缸体内，所述后盖套于转子的后轴上，所述后盖与所述缸体后端固定连接；所述前盖套于所述转子的前轴上，所述前盖与所述缸体前端固定连接；The blade is disposed on the rotor and disposed in the cylinder body, the rear cover is sleeved on the rear axle of the rotor, and the rear cover is fixedly connected with the rear end of the cylinder; the front cover is sleeved on The front cover of the rotor is fixedly connected to the front end of the cylinder;
    所述柄体的内腔前端设置有内螺纹；所述前轴的前端为多棱柱结构。The front end of the inner cavity of the handle body is provided with an internal thread; the front end of the front shaft is a polygonal prism structure.
  4. 根据权利要求3所述的气动工具快速连接结构，其特征在于，所述本体组还包括柄体护套，所述柄体护套套于所述柄体外侧。The pneumatic tool quick connect structure according to claim 3, wherein the body set further comprises a handle body sheath, and the handle body sheath is sleeved outside the handle body.
  5. 根据权利要求1所述的气动工具快速连接结构，其特征在于，所述连接结构包括固定座、锁紧环、压簧、外套、轴用挡圈及传动导套；The quick connect structure of the pneumatic tool according to claim 1, wherein the connecting structure comprises a fixing seat, a locking ring, a compression spring, a jacket, a shaft retaining ring and a transmission guide sleeve;
    所述固定座为圆柱管结构；在所述固定座上设置有多个钢珠安装孔，所述钢珠安装孔与所述固定座的内腔连通，在每个所述钢珠安装孔内均设置有一个钢珠，所述固定座的前端内腔为多边形；The fixing base is a cylindrical tube structure; a plurality of steel ball mounting holes are disposed on the fixing base, and the steel ball mounting holes communicate with the inner cavity of the fixing seat, and are disposed in each of the steel ball mounting holes a steel ball, the front end inner cavity of the fixing seat is polygonal;
    在所述固定座靠近前端的侧表面设置有一圈卡槽；a ring groove is disposed on a side surface of the fixing seat near the front end;
    所述固定座设置于所述柄体内且与所述前盖卡接配合；The fixing seat is disposed in the handle body and is engaged with the front cover;
    所述锁紧环套于所述固定座后与所述柄体的前端螺纹连接；The locking ring is threadedly connected to the front end of the handle body after being fastened to the fixing seat;
    所述压簧及所述外套依次套于所述固定座上，且所述外套通过所述钢珠与所述固定座卡接配合；所述轴用挡圈卡于所述卡槽内；The pressure spring and the outer sleeve are sequentially sleeved on the fixing seat, and the outer sleeve is engaged with the fixing seat by the steel ball; the shaft retaining ring is engaged in the card slot;
    所述传动导套的内径为多边形；所述传动导套的后端与所述前轴的前端插接配合。The inner diameter of the transmission guide sleeve is polygonal; the rear end of the transmission guide sleeve is mated with the front end of the front shaft.
  6. 根据权利要求2所述的气动工具快速连接结构，其特征在于，所述棘 轮扳手部包括第一联接轴、第一连接套、齿轮组、第一螺帽、偏心轴、偏心轴轴承及棘轮头组；The pneumatic tool quick connect structure according to claim 2, wherein the ratchet wrench portion comprises a first coupling shaft, a first connecting sleeve, a gear set, a first nut, an eccentric shaft, an eccentric shaft bearing and a ratchet head group;
    所述第一连接套包括第一轴套部及第一连接部；所述第一轴套部为圆筒形结构，所述第一连接部为多棱柱结构，所述第一连接部的前端与所述第一轴套部的后端连接为一体结构；在所述第一连接部上设置有连通所述第一轴套部的第一联接轴穿孔；在所述第一连接部的外表面，设置有一圈第一钢珠卡接槽；The first connecting sleeve includes a first sleeve portion and a first connecting portion; the first sleeve portion is a cylindrical structure, the first connecting portion is a polygonal prism structure, and the front end of the first connecting portion Connecting with the rear end of the first sleeve portion as a unitary structure; providing, on the first connecting portion, a first coupling shaft through hole communicating with the first sleeve portion; outside the first connecting portion a surface of the first steel ball snap groove;
    所述第一轴套部的内腔前端设置有内螺纹；The front end of the inner cavity of the first sleeve portion is provided with an internal thread;
    所述第一联接轴的后端为多棱柱结构，所述第一联接轴的前端侧表面设置有外齿纹；The rear end of the first coupling shaft is a polygonal prism structure, and the front end side surface of the first coupling shaft is provided with external ribs;
    所述齿轮组设置于所述第一轴套部内且与所述第一联接轴的外齿纹啮合；The gear set is disposed in the first sleeve portion and meshes with an outer tooth of the first coupling shaft;
    所述偏心轴轴承套于所述偏心轴上，所述偏心轴的后端与所述齿轮组插接配合，所述偏心轴的前端与所述棘轮头组连接；The eccentric shaft bearing sleeve is sleeved on the eccentric shaft, the rear end of the eccentric shaft is mated with the gear set, and the front end of the eccentric shaft is connected with the ratchet head set;
    所述第一螺帽分别与所述棘轮头组及所述齿轮组螺纹连接。The first nut is threadedly coupled to the ratchet head set and the gear set, respectively.
  7. 根据权利要求6所述的气动工具快速连接结构，其特征在于，所述齿轮组包括齿轮环、惰轮组、惰轮销及惰轮座；The pneumatic tool quick connect structure according to claim 6, wherein the gear set comprises a gear ring, an idler gear set, an idler pin and an idler seat;
    所述齿轮环为圆筒结构，所述齿轮环的外表面设置有外螺纹；The gear ring is a cylindrical structure, and an outer surface of the gear ring is provided with an external thread;
    所述齿轮环的内表面设置有轴向的内齿纹，所述惰轮组与所述内齿纹啮合；所述第一联接轴的外齿纹与所述惰轮组啮合；An inner surface of the gear ring is provided with an axial inner tooth, the idler gear meshes with the inner tooth; and an outer tooth of the first coupling shaft is engaged with the idler gear;
    所述惰轮座为圆柱体结构，在所述惰轮座上设置有偏心轴插孔及惰轮销插孔，所述惰轮组通过所述惰轮销与所述惰轮座连接。The idler seat has a cylindrical structure, and an eccentric shaft insertion hole and an idler pin insertion hole are disposed on the idler seat, and the idler set is coupled to the idler seat through the idler pin.
  8. 根据权利要求2所述的气动工具快速连接结构，其特征在于，所述直柄刻磨机部包括第二联接轴、第二联接套、第二螺帽及直柄刻磨机头组；The pneumatic tool quick connect structure according to claim 2, wherein the straight shank grinder portion comprises a second coupling shaft, a second coupling sleeve, a second nut and a straight shank grinder head set;
    所述第二联接轴的后端为多棱柱结构，所述第二联接轴的前端设置有外螺纹；a rear end of the second coupling shaft is a polygonal prism structure, and a front end of the second coupling shaft is provided with an external thread;
    所述第二联接套包括第二轴套部及第二连接部；所述第二轴套部为圆筒形结构，外表面设置有外螺纹，所述第二连接部为多棱柱结构，所述第二连接部的前端与所述第二轴套部的后端连接为一体结构；在所述第二连接部上设置有连通所述第二轴套部的第二联接轴穿孔；在所述第二连接部的外表面，设置有一圈第二钢珠卡接槽；The second coupling sleeve includes a second sleeve portion and a second connecting portion; the second sleeve portion has a cylindrical structure, the outer surface is provided with an external thread, and the second connecting portion is a polygonal prism structure. The front end of the second connecting portion is connected to the rear end of the second bushing portion as a unitary structure; and the second connecting portion is provided with a second connecting shaft through hole communicating with the second bushing portion; a second steel ball engaging groove is disposed on an outer surface of the second connecting portion;
    所述第二联接轴的前端转动***所述第二联接轴穿孔内；所述直柄刻磨机头组的后端穿过所述第二螺帽后与所述第二联接轴的前端螺纹连接；所述第二螺帽与所述第二轴套部螺纹连接。a front end of the second coupling shaft is rotationally inserted into the second coupling shaft through hole; a rear end of the straight shank grinder head group passes through the second nut and a front end thread of the second coupling shaft Connecting; the second nut is screwed to the second sleeve portion.
  9. 根据权利要求2所述的气动工具快速连接结构，其特征在于，所述角向刻磨机部包括第三联接轴、第三连接套、第三螺帽及角向刻磨机头组；The pneumatic tool quick connect structure according to claim 2, wherein the angular grinder portion comprises a third coupling shaft, a third connecting sleeve, a third nut and an angular grinding head group;
    所述第三联接轴的前端及后端均为多棱柱结构；The front end and the rear end of the third coupling shaft are all polygonal prism structures;
    所述第三联接套包括第三轴套部及第三连接部；所述第三轴套部为圆筒形结构，外表面设置有外螺纹，所述第三连接部为多棱柱结构，所述第三连接部的前端与所述第三轴套部的后端连接为一体结构；在所述第三连接部上设置有连通所述第三轴套部的第三联接轴穿孔；在所述第三连接部的外表面，设置有一圈第三钢珠卡接槽；The third coupling sleeve includes a third sleeve portion and a third connecting portion; the third sleeve portion has a cylindrical structure, the outer surface is provided with an external thread, and the third connecting portion is a polygonal prism structure. The front end of the third connecting portion is connected to the rear end of the third bushing portion as a unitary structure; and the third connecting portion is provided with a third connecting shaft through hole communicating with the third bushing portion; a third steel ball snap groove is disposed on an outer surface of the third connecting portion;
    所述第三联接轴的前端转动***所述第三联接轴穿孔内；The front end of the third coupling shaft is rotationally inserted into the perforation of the third coupling shaft;
    所述角向刻磨机头组穿过所述第三螺帽后与所述第三联接轴的前端插接配合；The angle grinder head group is inserted into the front end of the third coupling shaft after passing through the third nut;
    所述第三螺帽分别与所述角向刻磨机头组及所述第三连接套螺纹连接。The third nut is threadedly coupled to the angle grinder head set and the third connecting sleeve, respectively.
  10. 根据权利要求9所述的气动工具快速连接结构，其特征在于，所述角向刻磨机头组包括驱动轴、L型转接头、传动斜齿轮、固定螺丝套、传动轴、夹头及夹头螺帽；The pneumatic tool quick connect structure according to claim 9, wherein the angular grinding head group comprises a drive shaft, an L-shaped adapter, a transmission helical gear, a fixing screw sleeve, a transmission shaft, a collet and a clamp. Head nut
    所述驱动轴为台阶形圆柱体结构，在所述驱动轴的前端设置有主动斜齿轮，在所述驱动轴的后端设置有轴向的多棱柱形孔；The drive shaft is a stepped cylindrical structure, a front helical gear is disposed at a front end of the drive shaft, and an axial polygonal prismatic hole is disposed at a rear end of the drive shaft;
    所述L型转接头为L型管结构，其中后端的管壁外侧设置有外螺纹，前端的管壁内侧设置有内螺纹；The L-shaped joint is an L-shaped pipe structure, wherein an outer thread is arranged on the outer side of the pipe wall at the rear end, and an inner thread is arranged on the inner side of the pipe wall at the front end;
    所述传动轴为台阶形圆柱体结构；所述传动轴的前端设置有轴向的夹头安装孔，并在设置有所述夹头安装孔一端的外侧壁设置有外螺纹；所述夹头插接于所述夹头安装孔内，并由所述夹头螺帽与所述传动轴的外螺纹螺纹连接；The drive shaft is a stepped cylindrical structure; the front end of the drive shaft is provided with an axial collet mounting hole, and an outer thread is provided on an outer side wall provided at one end of the collet mounting hole; the collet Plugged into the collet mounting hole, and threadedly connected to the external thread of the drive shaft by the collet nut;
    所述固定螺丝套及所述传动斜齿轮均套于所述传动轴上，所述固定螺丝套与所述L型转接头的前端的内螺纹固定连接；The fixing screw sleeve and the transmission helical gear are sleeved on the transmission shaft, and the fixing screw sleeve is fixedly connected with the internal thread of the front end of the L-shaped adapter;
    所述传动斜齿轮与所述主动斜齿轮啮合；所述第三联接轴的前端***所述多棱柱孔内；The transmission helical gear meshes with the active helical gear; the front end of the third coupling shaft is inserted into the polygonal prism hole;
    所述第三螺帽与所述L型转接头的后端的外螺纹螺纹配合。The third nut is threadedly engaged with the external thread of the rear end of the L-shaped adapter.
PCT/CN2017/117439 2017-12-20 2017-12-20 Pneumatic tool quick connecting structure WO2019119294A1 (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2334550Y (en) * 1998-04-22 1999-08-25 益林气动工具股份有限公司 Multi-purpose connector for pneumatic tools
US5975218A (en) * 1998-07-01 1999-11-02 I Lin Air Tools Co., Ltd. Multi-usage connecting mechanism of pneumatic tool
CN2602882Y (en) * 2003-01-31 2004-02-11 上海星特浩企业有限公司 Multi-function working head quick assembling mechanism for electric tools
TWI232155B (en) * 2004-01-14 2005-05-11 Fairskq Taiwan Co Ltd Quick-release transmission shaft and adapter
CN201020706Y (en) * 2007-04-30 2008-02-13 台州市洛克赛工具有限公司 Combined type multifunctional pneumatic tool
US20120024556A1 (en) * 2010-07-27 2012-02-02 Shiqi Zhu Three-in-one air tool
CN102837299A (en) * 2011-06-21 2012-12-26 宁波飞驹工具有限公司 Fixed and movable protection structure of pneumatic tool engine unit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2334550Y (en) * 1998-04-22 1999-08-25 益林气动工具股份有限公司 Multi-purpose connector for pneumatic tools
US5975218A (en) * 1998-07-01 1999-11-02 I Lin Air Tools Co., Ltd. Multi-usage connecting mechanism of pneumatic tool
CN2602882Y (en) * 2003-01-31 2004-02-11 上海星特浩企业有限公司 Multi-function working head quick assembling mechanism for electric tools
TWI232155B (en) * 2004-01-14 2005-05-11 Fairskq Taiwan Co Ltd Quick-release transmission shaft and adapter
CN201020706Y (en) * 2007-04-30 2008-02-13 台州市洛克赛工具有限公司 Combined type multifunctional pneumatic tool
US20120024556A1 (en) * 2010-07-27 2012-02-02 Shiqi Zhu Three-in-one air tool
CN102837299A (en) * 2011-06-21 2012-12-26 宁波飞驹工具有限公司 Fixed and movable protection structure of pneumatic tool engine unit

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