CN211193666U

CN211193666U - Novel wrench capable of pressing or screwing

Info

Publication number: CN211193666U
Application number: CN201922103372.8U
Authority: CN
Inventors: 李宸; 王永成; 史家豪; 黄月艺
Original assignee: Zhengzhou University of Aeronautics
Current assignee: Zhengzhou University of Aeronautics
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-07
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a novel wrench capable of being pressed or screwed, which comprises a main shaft and a sleeve sleeved outside the main shaft in a rotating way, wherein the lower end of the main shaft is provided with a screwing chuck matched with the sleeve in a rotating way, and the upper end of the main shaft is provided with a positioning head matched with the sleeve in a rotating way; the sleeve is positioned between the screwing chuck and the positioning head, and the main shaft is provided with a pressing driving mechanism; the pressing driving mechanism comprises a driving cylinder and a pressing part, the driving cylinder is arranged between the main shaft and the sleeve, the pressing part presses the driving cylinder, the main shaft is connected with the driving cylinder through a thread mechanism, a guide groove is axially formed in the sleeve, and the lower part of the pressing part penetrates through the guide groove and is connected with the outer wall of the driving cylinder; the utility model has the advantages of simple structure, the practicality is strong, can adopt the installation and the dismantlement of rotation mode or pressing mode realization bolt, and the user mode is abundanter to it is rotatory when pressing, reducible frequent rotation of wrist when using conventional spanner, more stable and accord with human factors engineering principle.

Description

Novel wrench capable of pressing or screwing

Technical Field

The utility model relates to a manual assembly and disassembly tools technical field, in particular to novel can press or revolve wrench soon.

Background

The wrench is a common mounting and dismounting tool, is a manual tool for screwing bolts, screws, nuts and other threads to tightly hold the opening or trepanning firmware of the bolts or nuts by utilizing the lever principle, and is usually made of structural steel made of carbon or alloy materials; the wrench is usually provided with an opening or a trepanning for clamping the bolt or the nut at one end or two ends of the handle part, and when the wrench is used, external force is applied to the handle part along the rotation direction of the thread, so that the bolt or the nut can be screwed; in use, the wrench is often rendered inoperable due to working space limitations.

The utility model relates to a spanner suitable for narrow and small space, the bulletin number is: CN208323196U, announcement date is: 2019.01.04, respectively; the utility model provides a spanner suitable for narrow and small space, belongs to hand tool technical field for improve the dismouting efficiency of parts such as bolt, nut, its technical scheme is, this spanner includes wrench head, wrench handle, connecting rod, auxiliary handle, wrench handle and auxiliary handle are parallel to each other and perpendicular with the axis of treating rotatory bolt or nut, the connecting rod is parallel with the axis of treating rotatory bolt or nut, wrench head cover treat on rotatory bolt or nut and with wrench handle's head end fixed connection, the tail end at wrench handle is fixed to the head end of connecting rod, and the tail end is connected with auxiliary handle's head end. The utility model discloses the combination handle that utilizes to constitute by wrench handle, connecting rod and vice handle pulls the wrench end rotatory, under the unchangeable circumstances of power arm, can dwindle the length of the wrench handle that directly links to each other with the wrench end greatly, reduces the requirement of spanner to operating space. The spanner can effectively improve the dismounting efficiency of parts such as bolts, nuts and the like, and is particularly suitable for dismounting the bolts or the nuts in narrow space.

The utility model relates to a can be used to multi-purpose combination spanner in narrow and small space, the announcement number is: CN208575757U, announcement date is: 2019.03.05, the utility model belongs to the technical field of combination tools, in particular to a multipurpose combination wrench which can be used in narrow space, comprising a first wrench, a second wrench, an operating rod and a force application rod; the first spanner and the second spanner are both of a semi-cylindrical structure with an opening at one side; two first protruding blocks perpendicular to the first wrench are arranged in the direction of the central line of the outer side of the first wrench, one first protruding block is positioned in the middle of the outer side of the first wrench, and an anti-skid structure is arranged on the inner side of the first wrench; second spanner head one end is equipped with keeps silent, and second spanner head outside central line direction is equipped with two perpendicular and the protruding piece of second spanner, and one of them protruding piece of second is located the dorsal part of keeping silent, the utility model discloses mainly solve when pipe fitting joint department is located narrow and small space, use the difficult problem that fastens or loosen the operation of carrying on the pipe fitting of instruments such as current pipe wrench, have simple structure, convenient to use, accommodation is wide, and whole set of quality is little, carries convenient characteristics.

Above patent all is the problem that solves the conventional spanner in narrow and small space and can not use, but to the work that will probably can't be accomplished to narrower and small space to the use mode is single, can not use the more comfortable operation mode of operator according to the different situation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical scheme who takes for solving above-mentioned problem is:

a novel wrench capable of being pressed or screwed comprises a main shaft and a sleeve rotatably sleeved outside the main shaft, wherein a screwing chuck rotationally matched with the sleeve is arranged at the lower end of the main shaft, and a positioning head rotationally matched with the sleeve is arranged at the upper end of the main shaft; the sleeve is positioned between the screwing chuck and the positioning head, and the main shaft is provided with a pressing driving mechanism; the pressing driving mechanism comprises a driving barrel and a pressing part, the driving barrel is installed between the main shaft and the sleeve, the pressing part presses the driving barrel, the main shaft is connected with the driving barrel through a threaded mechanism, a guide groove is formed in the sleeve in the axial direction, and the lower part of the pressing part penetrates through the guide groove to be connected with the outer wall of the driving barrel.

Further, the screwing chuck is detachably connected with the main shaft.

Further, it is magnetic material to revolve to twist the chuck, revolves the upper end of twisting the chuck and be equipped with the polygon spliced pole with main shaft complex, revolves the lower extreme of twisting the chuck and be equipped with the hexagonal recess of cooperation nut.

Furthermore, the positioning head is provided with a positioning groove, and the pressing part is installed in a matching manner with the positioning groove after being pressed in place.

Furthermore, the pressing part comprises connecting rods arranged in parallel, the lower ends of the connecting rods penetrate through the guide grooves and are connected with the outer wall of the driving cylinder, the upper ends of the connecting rods are connected through pressing rods, and any end of each pressing rod extends in the axial direction to form a rotating rod.

Further, the screw mechanism comprises an external thread arranged on the outer wall of the main shaft and an internal thread arranged on the inner wall of the driving cylinder and matched with the external thread.

Further, the main shaft and the driving cylinder are made of brass.

The utility model discloses the beneficial effect who has does:

1. the utility model relates to a novel can press or revolve spanner of twisting, moreover, the steam generator is simple in structure, therefore, the clothes hanger is strong in practicability, can adopt the installation and the dismantlement of rotatory mode or pressing mode realization bolt, compare with conventional straight barrel type spanner, the user mode is abundanter, and rotate when pressing, reducible frequent rotation of wrist when using conventional spanner for, more stable and accord with human factors engineering principle, can adopt rotatory mode and pressing mode to combine together simultaneously, can adopt rotatory mode when screwing up at last or beginning not hard up bolt, and can adopt the installation and the dismantlement of pressing mode realization bolt fast before the bolt is screwed up or after loosening, can combine the installation and the dismantlement of the better realization bolt of rotatory mode and pressing mode like this.

2. The utility model discloses in adopt detachable to revolve wrong chuck, to the nut of different specifications, can change the corresponding chuck of revolving soon, the utility model discloses in mainly be 3 mm-9 mm's bolt to the nut external diameter.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the main shaft structure of the present invention;

fig. 3 is a schematic view of the structure of the pressing portion of the present invention;

fig. 4 is a schematic view of the screwing chuck according to the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-4, a novel wrench capable of pressing or screwing comprises a main shaft 4 and a sleeve 2 rotatably sleeved outside the main shaft 4, wherein a screwing chuck 3 rotationally matched with the sleeve 2 is arranged at the lower end of the main shaft 4, and a positioning head 1 rotationally matched with the sleeve 2 is arranged at the upper end of the main shaft 4; sleeve 2 is located to twist between chuck 3 and the location head 1 soon, install on main shaft 4 and press actuating mechanism 5, press actuating mechanism 5 including installing the driving barrel 51 between main shaft 4 and sleeve 2 and press the splenium of driving barrel 51, main shaft 4 is connected through screw mechanism with driving barrel 51, guide way 21 has been seted up along the axial on the sleeve 2, the lower part of pressing the splenium passes guide way 21 and driving barrel 51's outer wall connection, can only follow the motion of guide way 21 direction according to the splenium like this, realizes pressing the function, and the user grips sleeve 2 through the hand in the work, makes its relatively fixed.

As shown in fig. 1 to 4, in order to facilitate the screwing of the screwing chuck 3 for bolts with an outer diameter of 3 mm to 9 mm, the screwing chuck 3 is detachably connected with the spindle 4, so that different screwing chucks 3 can be replaced conveniently, an elongated screwing chuck 3 needs to be installed, and a screwing chuck 3 with an extension of 10 mm to 25mm can be installed; preferably, in this embodiment, 3 magnetic materials of chuck are revolved to revolving, revolve the upper end of revolving chuck 3 and be equipped with 4 complex polygon spliced poles 31 of main shaft, preferentially, revolve the upper end of revolving chuck 3 and be equipped with the hexagon spliced pole, 4 lower extremes of main shaft are equipped with the hexagon mounting groove of hexagon spliced pole complex, revolve the lower extreme of revolving chuck 3 and be equipped with the hexagonal recess 32 of cooperation nut.

As shown in fig. 1-4, in order to realize that the wrench can be pressed or screwed, a positioning groove 11 is arranged on the positioning head 1, and the pressing part is installed in cooperation with the positioning groove 11 after being pressed in place, the positioning groove 11 is a linear groove formed in the upper end of the positioning head 1, and the pressing part is clamped with the linear groove, so that the pressing driving mechanism 5 is static relative to the main shaft 4, thereby forming a whole, and the pressing part can be screwed to realize the screwing of the nut; preferably, the pressing portion comprises connecting rods 52 arranged in parallel, the lower ends of the connecting rods 52 penetrate through the guide grooves 21 to be connected with the outer wall of the driving barrel 51, the upper ends of the connecting rods 52 are connected through pressing rods 53, the pressing rods 53 are convenient for a user to press, the pressing portion is clamped with the linear grooves after being pressed in place, any one end of each pressing rod 53 extends along the axial direction to form a rotating rod 54, the rotating rod 54 is convenient for the user to screw, and therefore operating portions for pressing and screwing of workers are designed on the pressing portion respectively, operation is convenient, compared with a conventional straight barrel type wrench, the use mode is richer, and the man-machine interaction effect is better and better according with the human factors engineering design principle.

As shown in fig. 1 to 4, in order to realize the pressing operation function, the driving cylinder 51 drives the main shaft 4 to revolve by a screw mechanism including an external thread 41 provided on the outer wall of the main shaft 4 and an internal thread 55 provided on the inner wall of the driving cylinder 51 to be engaged with the external thread 41. Preferably, in the embodiment, the main shaft 4 and the driving cylinder 51 are made of brass, and in use, a lubricant is added at the matching position of the external thread 41 on the outer wall of the main shaft 4 and the internal thread 55 on the inner wall of the driving cylinder 51, so that the friction coefficient is 0.08, and the installation of the sleeve 2 can prevent dust from affecting lubrication and play a role in protecting hands; in order to realize the pressing function of the screw mechanism, the internal thread 55 on the inner wall of the driving cylinder 51 is matched with the external thread 41 on the spindle 4, when the pressing rod 53 presses along the axial direction of the spindle 4, the pressing rod 53 drives the driving cylinder 51 to move downwards through the connecting rod 52, the driving cylinder 51 can drive the spindle 4 to rotate through the screw mechanism, the direction of the external thread 41 on the spindle 4 is opposite to that of a bolt, the lower end of the spindle 4 is clamped with the screwing chuck 3, and therefore the spindle 4 can be screwed or loosened by driving a nut to rotate through the screwing chuck 3.

The utility model discloses a working process does:

when the bolts are installed or disassembled by pressing, firstly, the driving barrel 51 is operated to the upper end of the main shaft 4, the positioning head 1 at the upper end of the main shaft 4 is used for positioning, then the proper screwing chuck 3 is selected according to the size of the bolts to be installed or disassembled, the selected screwing chuck 3 is connected with the lower end of the main shaft 4, the hexagonal groove 32 of the screwing chuck 3 is close to the bolts to be installed or disassembled, the screwing chuck 3 has magnetism, the bolts can be adsorbed, and pressing is ready at the moment; a user places one hand on the pressing rod 53, holds the sleeve 2 with the other hand to enable the sleeve 2 to be relatively fixed, forcibly presses the pressing rod 53, the pressing rod 53 drives the driving cylinder 51 to move downwards through the connecting rod 52, the driving cylinder 51 can drive the spindle 4 to rotate through the thread mechanism, the direction of the external thread 41 on the spindle 4 is opposite to that of a bolt, the lower end of the spindle 4 is clamped with the screwing chuck 3, and therefore the spindle 4 can be screwed or loosened by driving a nut to rotate through the screwing chuck 3; when the pressing rod 53 is pressed downwards to a proper position, the wrench needs to be lifted, the driving barrel 51 is operated to the upper end of the main shaft 4 to reset, and the bolts are installed or removed through sequential cyclic operation.

The user can install or detach the bolt by screwing according to own use habits, after the pressing rod 53 is pressed downwards to a proper position, the pressing rod 53 is clamped and matched with the linear groove, the linear groove limits the movement of the pressing rod 53, so that the pressing driving mechanism 5 is static relative to the main shaft 4, and therefore a whole is formed, and the user can install or detach the bolt by screwing through the holding rotating rod 54.

In practical use, a user can also install or detach the bolt by combining a pressing mode and a screwing mode according to needs, particularly for the situation that the bolt cannot be screwed or loosened by the pressing mode, the user can adopt a rotating mode when the bolt is finally screwed or starts to be loosened, and can adopt a pressing mode to quickly install and detach the bolt before or after the bolt is screwed, so that the installation and detachment of the bolt can be better realized by combining the rotating mode and the pressing mode.

The utility model relates to a novel can press or revolve spanner of twisting adopts both to press the rotation and can manual rotation looks structure, compares with conventional straight barrel type spanner, and the user mode is abundanter to rotatory when pressing, reducible frequent rotation of wrist when using conventional spanner, more stable and accord with human factors engineering principle.

The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning unless otherwise stated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments, but such modifications or substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A novel wrench capable of being pressed or screwed is characterized by comprising a main shaft and a sleeve rotatably sleeved outside the main shaft, wherein a screwing chuck rotationally matched with the sleeve is arranged at the lower end of the main shaft, and a positioning head rotationally matched with the sleeve is arranged at the upper end of the main shaft; the sleeve is positioned between the screwing chuck and the positioning head, and the main shaft is provided with a pressing driving mechanism;

the pressing driving mechanism comprises a driving barrel and a pressing part, the driving barrel is installed between the main shaft and the sleeve, the pressing part presses the driving barrel, the main shaft is connected with the driving barrel through a threaded mechanism, a guide groove is formed in the sleeve in the axial direction, and the lower part of the pressing part penetrates through the guide groove to be connected with the outer wall of the driving barrel.

2. The wrench of claim 1, wherein the wrench chuck is detachably connected to the spindle.

3. The novel wrench capable of being pressed or screwed according to claim 2, wherein the screwing chuck is made of magnetic material, the upper end of the screwing chuck is provided with a polygonal connecting column matched with the main shaft, and the lower end of the screwing chuck is provided with a hexagonal groove matched with the nut.

4. A novel wrench as claimed in claim 3, wherein the positioning head has a positioning groove, and the pressing portion is mounted in cooperation with the positioning groove after being pressed in place.

5. A novel wrench as claimed in claim 4, wherein the pressing portion comprises parallel connecting rods, the lower ends of the connecting rods pass through the guide slots and are connected to the outer wall of the driving barrel, the upper ends of the connecting rods are connected by a pressing rod, and either end of the pressing rod extends axially to form a rotating rod.

6. A novel wrench as claimed in claim 5, in which the screw means comprises an external thread on the outer wall of the spindle and an internal thread on the inner wall of the drive cylinder cooperating with the external thread.

7. The novel wrench as claimed in claim 6, wherein the spindle and the driving barrel are made of brass.