CN209903066U - Tool for screwing stud - Google Patents
Tool for screwing stud Download PDFInfo
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- CN209903066U CN209903066U CN201822194954.7U CN201822194954U CN209903066U CN 209903066 U CN209903066 U CN 209903066U CN 201822194954 U CN201822194954 U CN 201822194954U CN 209903066 U CN209903066 U CN 209903066U
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Abstract
The utility model provides a pair of revolve frock of twisting double-screw bolt, including connector, bayonet joint and the cover body. The connector comprises a connector body, a driving device, a sleeve body and a connecting head, wherein one end of the connecting head is connected with the driving device, the other end of the connecting head is provided with an inner cavity with a downward opening, a driving shaft of the driving device is coaxially arranged with the inner cavity of the connecting head, the connecting plug is detachably fixed in the inner cavity, the sleeve body is fixedly connected below the connecting plug, the diameter of the sleeve body is larger than that of the opening of the inner cavity of the connecting head, the sleeve body is abutted to the edge of the opening of the connecting head, the. According to the tool for screwing the stud, the plug connector is detachably fixed in the inner cavity of the connector, the stud is screwed through the sleeve body below the plug connector, the plug connector and the sleeve body can be replaced at any time according to the adjustment of the size of the stud or the abrasion of the sleeve body, and the tool is simple and convenient.
Description
Technical Field
The utility model belongs to the technical field of supplementary assembly and disassembly tools, concretely relates to revolve frock of twisting double-screw bolt.
Background
More than ninety percent of the ball valve middle cavity adopts bolt-nut bolting connection, and when the bolt is disassembled and assembled by manual operation, the disassembling and assembling time accounts for fifteen to twenty percent of the whole assembling time. Modern production and processing industries all develop towards a rapid production mode of an automatic assembly line, manual operation wastes time and labor, and production efficiency is greatly influenced.
The current frock of twisting soon, install the checkpost that is the type of falling U at the connecting axle lower extreme, the checkpost opening is down, be provided with soft protection on the checkpost inner wall and fill up, the connecting axle lower extreme has the screw thread section of seting up the external screw thread, checkpost upper portion set up threaded hole, checkpost upper portion spiro union is on this screw thread section, the lower terminal surface of screw thread section sets up the screw thread mounting hole, the shoulder hole is seted up to the protection pad upper end, the protection is filled up and the checkpost is fixed on the connecting axle through the bolt of wearing to establish in the screw thread mounting hole, checkpost lower part cover is established on the double-screw bolt, the checkpo.
However, the above-described device has the following problems in practical use:
the protection pad on the checkpost inner wall is the one-to-one with the checkpost, when changing the checkpost according to the size of different screw columns, needs to together change the protection pad of checkpost and checkpost inner wall, when revolving soon the double-screw bolt in addition, checkpost and protection pad overlap earlier and establish on the double-screw bolt, then screw up on the double-screw bolt through the bumper shock absorber cooperation, and the process is complicated, and assembly efficiency is low.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model discloses the technical problem that will solve lies in that current revolving revolves to twist frock and changes complex operation and assembly process complicacy.
Therefore, the utility model provides a revolve frock of twisting double-screw bolt, include
One end of the connector is connected with the driving device, and the other end of the connector is provided with an inner cavity with a downward opening; a driving shaft of the driving device is coaxially arranged with the inner cavity of the connector;
the plug connector is detachably fixed in the inner cavity;
the sleeve body is fixedly connected below the plug connector; the diameter of the sleeve body is larger than the diameter of an opening of the inner cavity of the connector; the sleeve body is abutted against the edge of the opening of the connector;
the sleeve body is suitable for being sleeved and clamped on a stud to be screwed;
the driving device drives the connector to drive the sleeve body to rotate so as to screw the stud to be screwed.
Preferably, in the tool for screwing the stud, the plug-in head is provided with a pin hole penetrating along the radial direction;
the positions, corresponding to the two ends of the pin hole, on the circumferential outer wall surface of the connector are respectively provided with a first positioning hole and a second positioning hole;
the connecting piece is sequentially arranged on the first positioning hole and the pin hole in a penetrating mode and is fixed in the second positioning hole.
Preferably, in the tool for screwing the stud, the second positioning hole is a through hole or a blind hole.
More preferably, in the tool for screwing the stud, an internal thread is arranged in the second positioning hole; the connecting piece is in threaded fit in the second positioning hole.
Preferably, in the above tool for screwing a stud, the sleeve body has a fixing groove with a downward opening; the fixing groove is matched with the stud to be screwed and is suitable for being sleeved and clamped on the stud to be screwed;
the fixing groove and the inner cavity of the connector are coaxially arranged.
Preferably, in the above tool for screwing the stud, the fixing groove is a circular groove; the inner diameter of the circular groove is smaller than the outer diameter of the stud to be screwed.
More preferably, in the tool for screwing the stud, the radial section of the plug connector and the radial section of the inner cavity of the connector are in a matched regular polygon shape.
Preferably, in the tool for screwing the stud, a fixing hole with an upward opening is formed in one side of the connecting head, which is back to the inner cavity;
the driving shaft of the driving device is fixed in the fixing hole.
Preferably, in the tool for screwing the stud, the plug connector and the sleeve body are made of rubber.
Preferably, in the tool for screwing the stud, the plug connector and the sleeve body are integrally formed.
The technical scheme of the utility model, have following advantage:
1. the utility model provides a pair of revolve frock of twisting double-screw bolt, including connector, bayonet joint and the cover body. The connector comprises a connector body, a driving device, a sleeve body and a connecting head, wherein one end of the connecting head is connected with the driving device, the other end of the connecting head is provided with an inner cavity with a downward opening, a driving shaft of the driving device is coaxially arranged with the inner cavity of the connecting head, the connecting plug is detachably fixed in the inner cavity, the sleeve body is fixedly connected below the connecting plug, the diameter of the sleeve body is larger than that of the opening of the inner cavity of the connecting head, the sleeve body is abutted to the edge of the opening of the connecting head, the.
According to the tool for screwing the stud, the plug connector is detachably fixed in the inner cavity of the connector, the stud is screwed through the sleeve body below the plug connector, the plug connector and the sleeve body can be replaced at any time according to the adjustment of the size of the stud or the abrasion of the sleeve body, and the tool is simple and convenient.
2. The utility model provides a pair of revolve frock of twisting double-screw bolt sets up on the grafting head along the pinhole that radially runs through, corresponds on the outer wall of connector circumference first locating hole and second locating hole are seted up respectively to the position department at the both ends of pinhole, and the connecting piece is worn to establish in proper order on first locating hole and the pinhole and fix in the second locating hole.
According to the tool for screwing the stud, the plug connector is fixed on the connecting head through the pin hole, and the dismounting operation is simple and rapid.
3. The utility model provides a tool for screwing the stud, an internal thread is arranged in the second positioning hole; the connecting piece is in threaded fit in the second positioning hole.
According to the tool for screwing the stud, the connecting piece is in threaded fit with the second positioning hole, so that the plug connector is more firmly fixed, and the plug connector cannot fall off when the driving device drives the plug connector to rotate.
4. The utility model provides a tool for screwing a stud, wherein a fixed groove with a downward opening is arranged on a sleeve body; the fixing groove is matched with the stud to be screwed and is suitable for being sleeved and clamped on the stud to be screwed, and the fixing groove and the inner cavity of the connector are coaxially arranged.
According to the tool for screwing the stud, the fixing groove on the sleeve body is sleeved and clamped to the stud to be screwed, and the fixing groove and the inner cavity of the connector are coaxially arranged to guarantee the stability of screwing the stud.
5. The utility model provides a tool for screwing a stud, wherein a fixed groove is a circular groove; the inner diameter of the circular groove is smaller than the outer diameter of the stud to be screwed.
According to the tool for screwing the stud, the inner diameter of the circular fixing groove is smaller than the outer diameter of the stud to be screwed, the fixing groove and the stud are in interference fit, the fixing groove is sleeved on the stud and then is clamped more firmly, and screwing is more stable.
6. The utility model provides a pair of revolve frock of twisting double-screw bolt, the radial cross-section of bayonet joint with the inner chamber radial cross-section of connector is assorted regular polygon. .
The tool for screwing the stud adopts regular polygon design, the driving shaft of the driving device and the inner cavity of the connector are coaxially arranged, meanwhile, the regular polygon is more beneficial to skid resistance, and the connection is firmer in the process that the plug connector rotates along with the connector.
7. The utility model provides a pair of revolve frock of twisting double-screw bolt, the bayonet joint all adopts the rubber material with the cover body.
According to the tool for screwing the stud, the rubber material is more suitable for the interference fit when the fixing groove is sleeved and clamped on the stud, and the thread of the stud is protected more favorably.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a tool for screwing a stud according to the present invention;
fig. 2 is a cross-sectional view of a tool for screwing a stud according to the present invention;
description of reference numerals:
1-a connector; 11-a fixation hole; 2-a plug-in connector; 21-pin holes; 3-a sleeve body; 31-a fixation groove; 4-a stud to be screwed; 5-a drive shaft; 6-valve body.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The present embodiment provides a tool for screwing a stud, as shown in fig. 1 and fig. 2, including a connector 1, a plug 2, and a sleeve 3. Wherein, 1 one end of connector is connected with drive arrangement, the other end has the inner chamber that the opening is down, drive arrangement's drive shaft 5 and 1 coaxial settings of inner chamber of connector, bayonet joint 2 detachably fixes in the inner chamber, cover body 3 fixed connection is in bayonet joint 2 below, cover body 3 diameter is greater than the opening diameter of 1 inner chamber of connector, cover body 3 butt is at the opening edge of connector 1, cover body 3 is suitable for the cover to establish and presss from both sides tightly treating to revolve wrong double-screw bolt 4, drive arrangement drive connector 1 drives cover body 3 and is rotary motion in order to revolve wrong double-screw bolt.
According to the tool for screwing the stud, the plug-in connector 2 is detachably fixed in the inner cavity of the connector 1, the stud is screwed through the sleeve body 3 below the plug-in connector 2, the plug-in connector 2 and the sleeve body 3 can be replaced at any time according to the adjustment of the size of the stud or the abrasion of the sleeve body 3, and the tool is simple and convenient.
As shown in fig. 2, the upper end of the connector 1 is provided with a fixing hole 11, the driving shaft 5 of the driving device is fixedly connected in the fixing hole 11, the driving device can be a pneumatic or electric wrench, and the like, the lower end of the connector 1 is an inner cavity with a downward opening according to the specific requirement, the radial cross section of the inner cavity is a regular polygon, and the inner cavity and the driving shaft 5 are coaxially arranged. As shown in fig. 1, the radial cross section of the plug 2 is a regular polygon matching with the inner cavity, and the plug 2 is installed in the inner cavity of the connector 1.
As shown in fig. 2, a pin hole 21 penetrating in the radial direction is formed in the plug 2, a first positioning hole (not shown) and a second positioning hole (not shown) are formed in positions corresponding to two ends of the pin hole 21 on the circumferential outer wall surface of the connector 1, respectively, and a connecting member (not shown) is sequentially inserted into the first positioning hole and the pin hole 21 and fixed in the second positioning hole. In this embodiment, the second positioning hole has an internal thread, and the front end of the connecting member has an external thread section, and the connecting member sequentially passes through the first positioning hole and the pin hole 21 and is screwed into the second positioning hole, so as to fix the plug 2 in the inner cavity of the connector 1.
As shown in fig. 2, the sleeve 3 is fixedly connected below the plug 2, the outer diameter of the sleeve 3 is larger than the diameter of the inner cavity of the connector 1, a step surface is formed at the joint of the plug 2 and the sleeve 3, and the edge of the opening of the connector 1 abuts against the step surface, so that the sleeve 3 is stressed more stably when the stud is screwed.
The cover body 3 is provided with a fixing groove 31 with a downward opening, in the embodiment, the fixing groove 31 is a circular groove, the circular fixing groove 31 is coaxial with the inner cavity of the connector 1, namely, the driving shaft 5, the inner cavity of the connector 1 and the fixing groove 31 are all coaxially arranged, the stability of screwing during stud dismounting is guaranteed, the inner diameter of the fixing groove 31 is smaller than the outer diameter of the stud 4 to be screwed, the fixing groove 31 can be sleeved and clamped on the stud 4 to be screwed, the stud 4 is in interference fit with the stud to be screwed, and the clamping is firmer during rotation.
In this embodiment, the plug 2 and the sleeve 3 are integrally formed, the plug 2 and the sleeve 3 are made of rubber, when the fixing groove 31 is clamped on the stud to rotate, threads of the stud cannot be damaged, and when the torque is too large, the stud and the rubber sleeve are overloaded and slipped to protect the stud. The sleeve body 3 and the plug-in connector 2, which are matched with the stud 4 to be screwed, of the fixing groove 31 can be replaced at any time according to the size of the outer diameter of the stud 4 to be screwed, and the operation is simple and convenient.
The working process of the tool for screwing the stud in the embodiment is as follows:
as shown in fig. 1, a stud 4 to be screwed is located on a valve body 6, a connector 1 is fixed on a driving shaft 5 of a driving device, a plug connector 2 and a sleeve body 3 are fixed in an inner cavity of the connector 1 through a connecting piece, the sleeve body 3 is sleeved and clamped on the stud 4 to be screwed through a fixing groove 31, the driving device drives the sleeve body 3 to rotate so as to screw the stud 4 to be screwed, when a proper torque is reached, the stud and the sleeve body 3 are overloaded and slipped, the screwing process is completed, when the stud with different outer diameters needs to be matched and screwed, the connecting piece is detached from a second positioning hole, and the sleeve body 3 and the plug connector 2 which are matched with the outer diameter of the stud 4 to be screwed. The disassembly process is in the opposite direction of rotation to the tightening process.
As a first alternative embodiment of example 1, the plug 2 and the sleeve 3 may be made of other materials, such as silica gel, and can be sleeved on the stud and clamped on the stud in an interference fit with the stud.
As a second alternative embodiment of example 1, the sleeve 3 and the plug 2 may be all disposed in the inner cavity of the connector 1 and matched in shape with the inner cavity, the lower end face of the sleeve 3 is flush with the opening edge of the inner cavity of the connector 1, and the fixing groove 31 is still disposed on the lower end face of the sleeve 3 according to the size of the outer diameter of the stud 4 to be screwed.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The utility model provides a revolve frock of twisting double-screw bolt which characterized in that includes:
one end of the connector (1) is connected with the driving device, and the other end of the connector is provided with an inner cavity with a downward opening; a driving shaft (5) of the driving device is coaxially arranged with the inner cavity of the connector (1);
the plug connector (2) is detachably fixed in the inner cavity;
the sleeve body (3) is fixedly connected below the plug connector (2); the diameter of the sleeve body (3) is larger than the diameter of an opening of the inner cavity of the connector (1); the sleeve body (3) is abutted against the edge of the opening of the connector (1);
the sleeve body (3) is suitable for being sleeved and clamped on a stud (4) to be screwed;
the driving device drives the connector (1) to drive the sleeve body (3) to do rotary motion so as to screw the stud (4) to be screwed.
2. The tool for screwing the stud according to claim 1, wherein the plug (2) is provided with a pin hole (21) which penetrates through in the radial direction;
the positions, corresponding to the two ends of the pin hole (21), on the circumferential outer wall surface of the connector (1) are respectively provided with a first positioning hole and a second positioning hole;
the connecting piece is sequentially arranged on the first positioning hole and the pin hole (21) in a penetrating mode and is fixed in the second positioning hole.
3. The tool for screwing a stud according to claim 2, wherein the second positioning hole is a through hole or a blind hole.
4. The tool for screwing the stud according to claim 2 or 3, wherein an internal thread is arranged in the second positioning hole; the connecting piece is in threaded fit in the second positioning hole.
5. The tool for screwing a stud according to any one of claims 1-3, wherein the sleeve body (3) is provided with a fixing groove (31) with a downward opening; the fixing groove (31) is matched with the stud (4) to be screwed and is suitable for being sleeved and clamped on the stud (4) to be screwed;
the fixing groove (31) and the inner cavity of the connector (1) are coaxially arranged.
6. Tool for screwing a stud according to claim 5, characterised in that the fixing groove (31) is a circular groove; the inner diameter of the circular groove is smaller than the outer diameter of the stud (4) to be screwed.
7. A tool for screwing a stud according to any one of claims 1 to 3, wherein the radial cross section of the plug connector (2) and the radial cross section of the inner cavity of the connector (1) are in the shape of a matched regular polygon.
8. The tool for screwing the stud according to claim 7, wherein a fixing hole (11) with an upward opening is formed in one side of the connector (1) back to the inner cavity;
the drive shaft (5) of the drive device is fixed in the fixing hole (11).
9. The tool for screwing the stud according to claim 1, wherein the plug connector (2) and the sleeve body (3) are made of rubber.
10. The tool for screwing a stud according to claim 9, wherein the plug (2) and the sleeve (3) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822194954.7U CN209903066U (en) | 2018-12-25 | 2018-12-25 | Tool for screwing stud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822194954.7U CN209903066U (en) | 2018-12-25 | 2018-12-25 | Tool for screwing stud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209903066U true CN209903066U (en) | 2020-01-07 |
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ID=69028152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822194954.7U Active CN209903066U (en) | 2018-12-25 | 2018-12-25 | Tool for screwing stud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209903066U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337233A (en) * | 2020-03-06 | 2020-06-26 | 人本集团有限公司 | Bolt torsion slip torque test tool for hub bearing flange plate |
-
2018
- 2018-12-25 CN CN201822194954.7U patent/CN209903066U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337233A (en) * | 2020-03-06 | 2020-06-26 | 人本集团有限公司 | Bolt torsion slip torque test tool for hub bearing flange plate |
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