CN216328068U - Auxiliary tool for preventing following rotation of single bolt tightening nut - Google Patents
Auxiliary tool for preventing following rotation of single bolt tightening nut Download PDFInfo
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- CN216328068U CN216328068U CN202123025124.XU CN202123025124U CN216328068U CN 216328068 U CN216328068 U CN 216328068U CN 202123025124 U CN202123025124 U CN 202123025124U CN 216328068 U CN216328068 U CN 216328068U
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- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
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Abstract
An auxiliary tool for preventing the follow-up rotation of a single bolt tightening nut belongs to the field of auxiliary tools for bolt tightening, and aims to solve the problems that an operator uses a large force to prevent the follow-up rotation of the nut through a bayonet wrench when the locknut is installed, and the operation is time-consuming and labor-consuming; the assistive device comprises a fixing plate; the top and the bottom of the fixed plate are both provided with round holes, the fixed plate is connected to the two lock pins through the round holes, the middle of the fixed plate is provided with a through hole, and the top of the fixed plate is provided with an anti-torsion bar; the eccentric connecting block is rotationally connected between the two lock pins through a pin shaft; should assist the utensil and fix the hexagonal retaining ring through fixed plate cooperation fly leaf under the effect of eccentric connecting block to through the fly leaf with the radial fitting pin in the hexagonal retaining ring lateral wall to the inside locking of hexagonal retaining ring, thereby can be better fix the nut, prevent that the nut from rotating along with the hexagonal retaining ring, can be in the effectual tightening operation of accomplishing the bolt of tightening in-process.
Description
Technical Field
The utility model relates to the technical field of bolt tightening assistive devices, in particular to a single bolt tightening nut anti-follow-up rotation assistive device.
Background
In the automobile assembling process, be present widely used assembly methods through bolt and nut connecting element, to the spare part that adopts bolt and nut to connect, it is usually that tightening tool and bayonet socket spanner use together to screw up, however to locknut's installation, the operator uses great power through bayonet socket spanner to prevent that the nut from following the commentaries on classics, and the operation is wasted time and energy, when especially screwing up the bolt of great moment of torsion, needs 2 personnel to operate simultaneously, and work efficiency is lower, and intensity of labour is great.
Therefore, research and improvement are carried out aiming at the existing working state and problems, and the auxiliary tool for preventing the follow-up rotation of the nut screwed by a single bolt is provided so as to achieve the aim of being more practical.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an auxiliary tool for preventing the follow-up rotation of a single bolt tightening nut, which aims to solve the problems that an operator uses a large force to prevent the follow-up rotation of the nut through a bayonet wrench during the installation of the locknut, the operation is time-consuming and labor-consuming, and particularly 2 persons are required to simultaneously operate when the bolt with large torque is tightened, the working efficiency is low, and the labor intensity is high.
The purpose and the function of the auxiliary tool for preventing the follow-up rotation of the single bolt tightening nut are completed by the following specific technical means:
an auxiliary tool for preventing follow-up rotation of a single bolt tightening nut comprises a fixing plate;
the top and the bottom of the fixed plate are both provided with round holes, the fixed plate is connected to the two lock pins through the round holes, the middle of the fixed plate is provided with a through hole, and the top of the fixed plate is provided with an anti-torsion bar;
the movable plate is arranged on the right side of the fixed plate, and a hexagonal fixing ring is clamped between the movable plate and the fixed plate;
the eccentric connecting block is rotatably connected between the two lock pins through a pin shaft, and the rear side of the eccentric connecting block is connected with a handle;
and the connecting plate is connected to the left end of the lock pin.
Furthermore, a clamping groove is formed in the end face of the left side of the fixing plate, and conical insertion holes are formed in the top and the bottom of the clamping groove.
Furthermore, the style of fly leaf is the same with the fixed plate, and both ends sliding connection is on two pins about the fly leaf, has seted up circular recess in the right side terminal surface of fly leaf, and sliding connection has the solid fixed ring of hexagonal in the circular recess.
Furthermore, a hexagonal through hole is formed in the middle of the hexagonal fixing ring, two insertion holes are symmetrically formed in the right side wall of the hexagonal fixing ring, an axial anti-rotation pin is inserted in each insertion hole, the right end of the axial anti-rotation pin is inserted in each conical insertion hole formed in the top and the bottom of the clamping groove in the left side of the fixing plate, a radial locking pin is symmetrically inserted in each arc-shaped side wall of the hexagonal fixing ring, and the outer end of each radial locking pin is conical.
Furthermore, the number of the lock pins is two, the through pin holes are formed in the middle of the lock pins, and the opposite end faces of the two lock pins are planes.
Furthermore, the eccentric connecting block is U-shaped, and the upper end and the lower end of the eccentric connecting block are connected with pin holes formed in the lock pins through pin shafts.
Furthermore, a fixing hole is formed in the middle of the rear side wall of the eccentric connecting block, the eccentric connecting block is connected with a handle on the rear side through the fixing hole, and the handle is of an L-shaped structure.
Furthermore, the connecting plate is of a rectangular plate-shaped structure, connecting holes are formed in the upper end and the lower end of the connecting plate, and the connecting plate is connected to the tail ends of the left sides of the two lock pins through the connecting holes.
Compared with the prior structure, the utility model has the following beneficial effects:
1. according to the utility model, the hexagonal fixing ring is fixed under the action of the eccentric connecting block by the fixing plate and the movable plate, and the radial locking pin in the side wall of the hexagonal fixing ring is locked towards the inside of the hexagonal fixing ring by the movable plate, so that a bolt or a nut can be better fixed, the nut is prevented from rotating along with the hexagonal fixing ring, and the bolt can be effectively screwed in the screwing process.
2. According to the utility model, the handle drives the eccentric connecting block to rotate 90 degrees by taking the pin shaft as an axis, the eccentric connecting block pushes the movable plate leftwards while rotating, the fixed plate and the movable plate are closed under the action of the eccentric connecting block, and the nut or the bolt is locked in the hexagonal fixing ring by the radial locking pin in the side wall of the hexagonal fixing ring, so that the nut is better prevented from falling off from the hexagonal fixing ring, the anti-follow-up rotation effect is improved, after the bolt and the nut are screwed up, the handle is rotated to the initial position, the force applied to the hexagonal fixing ring is released, and the auxiliary tool is favorably taken down from the nut.
Drawings
FIG. 1 is a schematic right front side axial view of the present invention;
FIG. 2 is a schematic diagram of the overall split front view structure of the present invention;
FIG. 3 is a schematic view of the overall split rear view structure of the present invention;
FIG. 4 is a schematic view of a hexagonal fixing ring structure according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a fixing plate; 101. a torsion resistant bar; 102. clamping the groove; 2. a movable plate; 3. a hexagonal fixing ring; 4. a lock pin; 401. a pin hole; 5. an eccentric connecting block; 501. a fixing hole; 6. a connecting plate; 601. connecting holes; 7. a handle; 8. an axial rotation prevention pin; 9. a radial locking pin; 10. and (7) a pin shaft.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like 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 "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 4:
the utility model provides a single bolt tightening nut follow-up rotation prevention auxiliary tool, which comprises: a fixing plate 1;
referring to fig. 2 and 3, the top and the bottom of the fixing plate 1 are both provided with round holes, the fixing plate 1 is connected to two lock pins 4 through the round holes, the two lock pins 4 are symmetrically arranged, the middle of the lock pin 4 is provided with a through pin hole 401, the upper and lower opposite end surfaces of the two lock pins 4 are planes, the middle of the fixing plate 1 is provided with a through hole, the top of the fixing plate 1 is provided with a torsion resistant bar 101, the left end surface of the fixing plate 1 is provided with a clamping groove 102, the top and the bottom of the clamping groove 102 are provided with tapered insertion holes, the fixing plate 1 is connected to the two lock pins 4 through the round holes, the fixing plate 1 fixes the hexagonal fixing ring 3 through the matching of the clamping groove 102 arranged on the left end surface and the circular groove of the movable plate 2, so as to prevent the hexagonal fixing ring 3 from being separated from the fixing plate 1 and the movable plate 2, and better fix the hexagonal fixing ring 3, a torsion bar 101 is provided at the top of the holding plate 1 to provide a reaction force during tightening.
Referring to fig. 2 and 3, a movable plate 2 is disposed on the right side of a fixed plate 1, a hexagonal fixing ring 3 is clamped between the movable plate 2 and the fixed plate 1, the movable plate 2 has the same pattern as the fixed plate 1, the upper end and the lower end of the movable plate 2 are slidably connected to two lock pins 4, a circular groove is formed in the end face of the right side of the movable plate 2, and the hexagonal fixing ring 3 is slidably connected in the circular groove, and specifically, the movable plate 2 is slidably connected to the two lock pins 4, and the movable plate 2 can change positions on the lock pins 4, so as to clamp and fix the hexagonal fixing ring 3, when the movable plate 2 is close to the fixed plate 1, the movable plate 2 and the fixed plate 1 cooperate with each other to press a radial locking pin 9 in the side wall of the hexagonal fixing ring 3 towards the inside of the hexagonal fixing ring 3, so as to fix a nut in the hexagonal fixing ring 3 better through the radial locking pin 9, can be at the effectual nut follow-up that prevents of tightening process.
Referring to fig. 2 and 4, a hexagonal through hole is formed in the middle of the hexagonal fixing ring 3, two insertion holes are symmetrically formed in the right side wall of the hexagonal fixing ring 3, an axial anti-rotation pin 8 is inserted in the insertion holes, the right end of the axial anti-rotation pin 8 is inserted in tapered insertion holes formed in the top and bottom of the left clamping groove 102 of the fixing plate 1, a radial locking pin 9 is symmetrically inserted in the arc-shaped side wall of the hexagonal fixing ring 3, the outer end of the radial locking pin 9 is tapered, and specifically, the hexagonal fixing ring 3 can better fix a bolt and a nut by forming a hexagonal through hole in the middle, the axial anti-rotation pin 8 is inserted in the right side wall of the hexagonal fixing ring 3, the right end of the axial anti-rotation pin 8 is inserted in the tapered insertion hole of the left clamping groove 102 of the fixing plate 1, and the hexagonal fixing ring 3 is fixedly connected with the fixing plate 1 through the axial anti-rotation pin 8, so that the hexagonal fixing ring 3 is prevented from rotating along with the bolt, the effect of preventing follow-up rotation is achieved through the axial anti-rotation pin 8.
Referring to fig. 2 and 3, the eccentric connecting block 5 is rotatably connected between two lock pins 4 through a pin 10, the eccentric connecting block 5 is U-shaped, the upper and lower ends of the eccentric connecting block 5 are connected in pin holes 401 formed in the lock pins 4 through the pin 10, a handle 7 is connected to the rear side of the eccentric connecting block 5, a fixing hole 501 is formed in the middle of the rear side wall of the eccentric connecting block 5, the eccentric connecting block 5 is connected with the handle 7 at the rear side through the fixing hole 501, the handle 7 is L-shaped, and specifically, after the hexagonal fixing ring 3 is fixed by the fixing plate 1 and the movable plate 2, the eccentric connecting block 5 is driven by the handle 7 to rotate 90 degrees around the pin 10, the movable plate 2 is pushed leftward while the eccentric connecting block 5 rotates, the fixing plate 1 and the movable plate 2 are closed under the action of the eccentric connecting block 5, and a nut or a bolt is locked in the hexagonal fixing ring 3 by a radial hexagonal locking pin 9 in the side wall of the fixing ring 3, thereby better prevent that nut or bolt from droing from solid fixed ring 3 of hexagonal, improve and prevent following the commentaries on classics effect, screw up the back when bolt and nut, rotate handle 7 to initial position, the power that solid fixed ring 3 of hexagonal received is released, is convenient for assist the utensil and breaks away from the nut.
Referring to fig. 1 and 3, the connecting plate 6 is connected to the left ends of the locking pins 4, the connecting plate 6 is in a rectangular plate-shaped structure, connecting holes 601 are formed in the upper end and the lower end of the connecting plate 6, the connecting plate 6 is connected to the left ends of the two locking pins 4 through the connecting holes 601, and the connecting plate 6 is connected to the left ends of the locking pins 4 to fix the left ends of the locking pins 4, so that the two locking pins 4 are kept stable, and the stability of bolts and nuts during installation is improved.
The specific use mode and function of the embodiment are as follows:
when the single bolt is used for screwing the nut to prevent the auxiliary tool from following the rotation, the nut is placed in the hexagonal fixing ring 3, then the handle 7 is used for driving the eccentric connecting block 5 to rotate 90 degrees by taking the pin shaft 10 as the axis, the eccentric connecting block 5 pushes the movable plate 2 leftwards while rotating, the fixed plate 1 and the movable plate 2 are closed under the action of the eccentric connecting block 5, the nut is locked in the hexagonal fixing ring 3 by the radial locking pin 9 in the side wall of the hexagonal fixing ring 3, then the auxiliary tool for clamping the nut is aligned to the hole position of the mounting bolt, reaction force is provided by rotating the anti-torsion bar 101, the bolt is screwed by using a screwing tool, the nut is installed in place, then the handle 7 is rotated to the initial position, the force applied to the hexagonal fixing ring 3 is released, and the auxiliary tool is convenient to be separated from the nut.
In summary, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments or equivalent substitutions for some technical features, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A single bolt-on nut anti-follow-up tool comprising: a fixed plate (1);
the method is characterized in that: round holes are formed in the top and the bottom of the fixing plate (1), the fixing plate (1) is connected to the two lock pins (4) through the round holes, a through hole is formed in the middle of the fixing plate (1), and an anti-torsion bar (101) is arranged at the top of the fixing plate (1);
the movable plate (2) is arranged on the right side of the fixed plate (1), and a hexagonal fixing ring (3) is clamped between the movable plate (2) and the fixed plate (1);
the eccentric connecting block (5) is rotatably connected between the two lock pins (4) through a pin shaft (10), and the rear side of the eccentric connecting block (5) is connected with a handle (7);
the connecting plate (6), the connecting plate (6) is connected to the left end of the lockpin (4).
2. The single bolt-on nut anti-follow-up auxiliary tool as claimed in claim 1, wherein: a clamping groove (102) is formed in the end face of the left side of the fixing plate (1), and conical insertion holes are formed in the top and the bottom of the clamping groove (102).
3. The single bolt-on nut anti-follow-up auxiliary tool as claimed in claim 1, wherein: the style of fly leaf (2) is the same with fixed plate (1), and both ends sliding connection is on two lockpins (4) about fly leaf (2), has seted up circular recess in the right side terminal surface of fly leaf (2), sliding connection has hexagonal solid fixed ring (3) in the circular recess.
4. The single bolt-on nut anti-follow-up auxiliary tool as claimed in claim 1, wherein: the hexagonal through hole is formed in the middle of the hexagonal fixing ring (3), two jacks are symmetrically formed in the right side wall of the hexagonal fixing ring (3), an axial anti-rotation pin (8) is inserted in each jack, the right end of the axial anti-rotation pin (8) is inserted into the conical jacks formed in the top and the bottom of the clamping groove (102) in the left side of the fixing plate (1), radial locking pins (9) are symmetrically inserted into the arc-shaped side wall of the hexagonal fixing ring (3), and the outer ends of the radial locking pins (9) are conical.
5. The single bolt-on nut anti-follow-up auxiliary tool as claimed in claim 1, wherein: the two lock pins (4) are symmetrically arranged, the middle of each lock pin (4) is provided with a through pin hole (401), and the opposite end faces of the two lock pins (4) are planes.
6. The single bolt-on nut anti-follow-up auxiliary tool as claimed in claim 1, wherein: the eccentric connecting block (5) is U-shaped, and the upper end and the lower end of the eccentric connecting block (5) are connected into a pin hole (401) formed in the lock pin (4) through a pin shaft (10).
7. The single bolt-on nut anti-follow-up auxiliary tool as claimed in claim 1, wherein: the middle of the rear side wall of the eccentric connecting block (5) is provided with a fixing hole (501), the eccentric connecting block (5) is connected with a handle (7) on the rear side through the fixing hole (501), and the handle (7) is of an L-shaped structure.
8. The single bolt-on nut anti-follow-up auxiliary tool as claimed in claim 1, wherein: the connecting plate (6) is of a rectangular plate-shaped structure, connecting holes (601) are formed in the upper end and the lower end of the connecting plate (6), and the connecting plate (6) is connected to the tail ends of the left sides of the two lock pins (4) through the connecting holes (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123025124.XU CN216328068U (en) | 2021-12-06 | 2021-12-06 | Auxiliary tool for preventing following rotation of single bolt tightening nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123025124.XU CN216328068U (en) | 2021-12-06 | 2021-12-06 | Auxiliary tool for preventing following rotation of single bolt tightening nut |
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| Publication Number | Publication Date |
|---|---|
| CN216328068U true CN216328068U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123025124.XU Active CN216328068U (en) | 2021-12-06 | 2021-12-06 | Auxiliary tool for preventing following rotation of single bolt tightening nut |
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| CN (1) | CN216328068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179034A (en) * | 2021-12-30 | 2022-03-15 | 湖北上翔自动化科技有限公司 | Clamping device for nut and bolt in tightening process |
-
2021
- 2021-12-06 CN CN202123025124.XU patent/CN216328068U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179034A (en) * | 2021-12-30 | 2022-03-15 | 湖北上翔自动化科技有限公司 | Clamping device for nut and bolt in tightening process |
| CN114179034B (en) * | 2021-12-30 | 2024-02-27 | 湖北上翔智能装备股份有限公司 | Clamping device for nuts and bolts in screwing process |
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Address after: 442000 No. 150, Checheng West Road, Hongwei street, Zhangwan District, Shiyan City, Hubei Province Patentee after: Hubei Shangxiang Intelligent Equipment Co.,Ltd. Country or region after: China Address before: 442000 No. 150, Checheng West Road, Hongwei street, Zhangwan District, Shiyan City, Hubei Province Patentee before: HUBEI SHANGXIANG AUTOMATION TECHNOLOGY Co.,Ltd. Country or region before: China |