CN112276840A - Follow-up rotation prevention tool for nut - Google Patents
Follow-up rotation prevention tool for nut Download PDFInfo
- Publication number
- CN112276840A CN112276840A CN202011047976.6A CN202011047976A CN112276840A CN 112276840 A CN112276840 A CN 112276840A CN 202011047976 A CN202011047976 A CN 202011047976A CN 112276840 A CN112276840 A CN 112276840A
- Authority
- CN
- China
- Prior art keywords
- sliding
- stop block
- cross beam
- follow
- supporting cross
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000002265 prevention Effects 0.000 title description 3
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001145 finger joint Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 210000000323 shoulder joint Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/06—Spanners; Wrenches with rigid jaws of socket type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention provides a nut anti-follow-up tool which comprises a U-shaped caliper, an operating handle and a sliding pressure rod, wherein one end of the operating handle is fixedly connected with one end of the bottom of the U-shaped caliper, the middle part of the sliding pressure rod is hinged with the other end of the bottom of the U-shaped caliper, the U-shaped caliper comprises a supporting cross beam, a fixed stop block arranged at one end of the supporting cross beam and a sliding stop block arranged at the other end of the supporting cross beam, a guide hole is formed in one end, connected with the sliding stop block, in the supporting cross beam, a pull rod arranged in the guide hole is arranged at one side of the sliding stop block, a compression spring is sleeved on the pull rod, a sliding groove is arranged at least one side of the supporting cross beam, one end of the sliding pressure rod penetrates through the sliding groove. The follow-up rotation nut is effectively limited by arranging the U-shaped calipers, the operating handle and the sliding pressure rod, follow-up rotation is prevented, and the follow-up rotation nut is simple in structure, convenient to operate, low in cost and good in universality.
Description
Technical Field
The invention relates to the field of automobile manufacturing, in particular to a nut follow-up rotation prevention tool.
Background
When the front suspension and swing arm bolt torque is screwed, the nut can rotate with the swing arm to cause the screwing failure, the current solution of the whole domestic vehicle factory is to clamp the nut with a plum blossom spanner at the inner side of the vehicle body to prevent the following rotation, the staff operates and uses a torque spanner to screw the bolt, the staff needs to use 233N pulling force to tighten 70N.m torque, the pulling force is large, the acting force for clamping the nut with the plum blossom spanner to prevent the following rotation is the same as the pulling force (torque = moment arm acting force, 70N.m torque is applied, the pulling force is 70N.m/0.3m = 233N), thus, the labor intensity is large during long-term work, and the problem of accumulated human-machine damage of the arm shoulder and finger joint fatigue is easy to occur.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a nut anti-follow-up rotation tool for preventing the nut from following up rotation.
The invention provides a nut anti-follow-up tool which comprises a U-shaped caliper, an operating handle and a sliding pressure rod, wherein one end of the operating handle is fixedly connected with one end of the bottom of the U-shaped caliper, the middle part of the sliding pressure rod is hinged with the other end of the bottom of the U-shaped caliper, the U-shaped caliper comprises a supporting cross beam, a fixed stop block arranged at one end of the supporting cross beam and a sliding stop block arranged at the other end of the supporting cross beam, a guide hole is arranged at one end connected with the sliding stop block in the supporting cross beam, a pull rod arranged in the guide hole is arranged at one side of the sliding stop block, a compression spring is sleeved on the pull rod, a spring limiting part is arranged at one end of the pull rod close to the fixed stop block, one end of the compression spring abuts against the spring limiting part, the other end of the compression spring abuts against, the supporting device is characterized in that at least one side of the supporting cross beam is provided with a sliding groove communicated with the guide hole, one end of the sliding pressure rod penetrates through the sliding groove to be hinged with the spring limiting part of the pull rod, the free end of the fixed stop block is provided with a connecting rod extending upwards, and the free end of the connecting rod is provided with a sleeve connecting seat bending towards one end of the sliding stop block.
As a further improvement of the invention, the inner sides of the sliding stop block, the fixed stop block and the upper end of the supporting beam are respectively provided with a protective pad.
As a further improvement of the invention, sliding grooves are formed in both sides of the supporting cross beam, a U-shaped head is arranged at one end, connected with the pull rod, of the sliding pressure rod, and the U-shaped head is hinged with the spring limiting part through the sliding grooves in both sides of the supporting cross beam.
As a further improvement of the invention, the free end of the sliding block is also provided with a hook extending towards one end of the fixed block.
As a further improvement of the invention, a spring baffle is arranged outside the guide hole of the supporting beam, the spring baffle is detachably connected with the supporting beam, the spring baffle is provided with a through hole matched with the pull rod, and the other end of the compression spring is abutted against the inner side of the spring baffle.
As a further improvement of the invention, the operating handle is provided with an anti-slip sleeve.
The invention has the beneficial effects that: the follow-up rotation nut is effectively limited by arranging the U-shaped calipers, the operating handle and the sliding pressure rod, follow-up rotation is prevented, and the follow-up rotation nut is simple in structure, convenient to operate, low in cost and good in universality.
Drawings
Fig. 1 is a schematic structural view of a nut anti-follow-up tool according to the present invention.
Reference numerals: 11-a support beam; 12-a fixed stop; 13-a sliding stop; 111-a chute; 121-connecting rod; 131-a pull rod; 132-hook; 2-operating a handle; 3-sliding compression bar; 4-a sleeve; 5-locking mechanism.
Detailed Description
As shown in figure 1, the invention discloses a nut anti-follow-up rotation tool, which comprises a U-shaped caliper, an operating handle 2 and a sliding pressure rod 3, wherein one end of the operating handle 2 is fixedly connected with one end of the bottom of the U-shaped caliper, the middle part of the sliding pressure rod 3 is hinged with the other end of the bottom of the U-shaped caliper, the U-shaped caliper comprises a supporting cross beam 11, a fixed stop block 12 arranged at one end of the supporting cross beam 11 and a sliding stop block 13 arranged at the other end of the supporting cross beam 11, one end of the supporting cross beam 11 connected with the sliding stop block 13 is provided with a guide hole, one side of the sliding stop block 13 is provided with a pull rod 131 arranged in the guide hole, the pull rod 131 is sleeved with a compression spring, one end of the pull rod 131 close to the fixed stop block 12 is provided with a spring limiting part, one end of the compression spring is abutted against the spring limiting part, the other end of the compression, at least one side of the supporting beam 11 is provided with a sliding groove 111 communicated with the guide hole, one end of the sliding pressure rod 3 penetrates through the sliding groove 111 to be hinged with the spring limiting part of the pull rod 131, the free end of the fixed stop block 12 is provided with a connecting rod 121 extending upwards, and the free end of the connecting rod 121 is provided with a sleeve connecting seat bending towards one end of the sliding stop block 13.
During the use, install on the muffjoint seat with the sleeve 4 of treating fixed inboard nut adaptation earlier, then hold operating handle 2 on one hand, another hand presses slip depression bar 3, slip depression bar 3 can outwards slide this moment, make the opening of its U type calliper the biggest, then overlap sleeve 4 on treating fixation nut, loosen slip depression bar 3 this moment, slip depression bar 3 automatic re-setting under compression spring's effect, U type calliper will tightly centre gripping like this on treating the installation department of lock nut, at last just can pass through the bolt in the rotatory outside of electric spanner or manual spanner at the opposite side, thereby reach the fastening of bolt, and the phenomenon that the heel-turn can not appear in the inboard nut, it is very convenient to operate, and is labor-saving.
In this technical scheme, slip dog 13 inboard, fixed dog 12 inboard and supporting beam 11 upper end all are equipped with the protection pad, the protection pad can be nylon or polyurethane material, can avoid fish tail part in the use.
In this technical scheme, 11 both sides of supporting beam all are equipped with spout 111, slip depression bar 3 with the one end that pull rod 131 is connected is equipped with U type head, U type head respectively through the spout 111 of 11 both sides of supporting beam with the spacing portion of spring is articulated, and the joint strength of slip depression bar 3 and pull rod 131 is higher like this, and pull rod 131's atress is more even, can not appear because unilateral atress and the card pause phenomenon appears, makes its work more reliable and more stable.
In this technical scheme, the free end of slide block 13 still be equipped with to the pothook 132 that fixed dog 12 one end extends makes things convenient for the centre gripping of U type calliper, is difficult to drop, and work is more stable.
In this technical scheme, the guiding hole outside of supporting beam 11 is equipped with spring baffle, spring baffle with supporting beam 11 is for dismantling the connection, and in this embodiment, spring baffle passes through the bolt fastening on supporting beam 11, spring baffle be equipped with the through-hole of pull rod 131 adaptation, the compression spring other end support in spring baffle inboard, easy to assemble compression spring and to compression spring's effective spacing.
In the technical scheme, the operating handle 2 is provided with the anti-slip sleeve, so that the anti-slip function is achieved, and the operation is more reliable.
In this technical scheme, nut sleeve 4 adopts the sleeve of standard, can change after the sleeve wearing and tearing, selects the plum blossom sleeve, can embolia the nut by multiple angle, more makes things convenient for staff's operation than the interior hexagonal sleeve, more does benefit to and puts and get, can select different sleeves according to the nut of difference, can dismantle in a flexible way.
In some embodiments, the connecting rod 121 and the fixed stopper 12 are rotatably connected to each other, so that the connecting rod can rotate along the sliding direction of the sliding stopper 13, and the fixed stopper 12 is further provided with a locking mechanism 5 for limiting the rotation of the connecting rod 121, so that the angle of the sleeve 4 can be adjusted according to the setting positions of nuts at different angles, and the universality is better.
In this technical solution, the fixed stopper 12 is connected to the connecting rod 121 through a connecting bolt, and is locked by a nut.
In some embodiments, the sliding block 13 is rotatably connected to the pull rod 131, and can rotate for limiting, so that the sliding block can swing at a certain angle to adapt to different clamping positions.
The follow-up rotation nut is effectively limited by arranging the U-shaped calipers, the operating handle 2 and the sliding pressure rod 3, follow-up rotation is prevented, and the device is simple in structure, convenient to operate, low in cost and good in universality.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (6)
1. The utility model provides a follow instrument of changeing is prevented to nut which characterized in that: the U-shaped caliper comprises a U-shaped caliper body, an operating handle and a sliding pressure rod, wherein one end of the operating handle is fixedly connected with one end of the bottom of the U-shaped caliper body, the middle part of the sliding pressure rod is hinged with the other end of the bottom of the U-shaped caliper body, the U-shaped caliper body comprises a supporting cross beam, a fixed stop block arranged at one end of the supporting cross beam and a sliding stop block arranged at the other end of the supporting cross beam, a guide hole is formed in one end, connected with the sliding stop block, in the supporting cross beam, a pull rod arranged in the guide hole is arranged on one side of the sliding stop block, a compression spring is sleeved on the pull rod, a spring limiting part is arranged at one end, close to the fixed stop block, of the pull rod, one end of the compression spring abuts against the spring limiting part, the other end of the, one end of the sliding pressure rod penetrates through the sliding groove to be hinged with the spring limiting part of the pull rod, the free end of the fixed stop block is provided with a connecting rod extending upwards, and the free end of the connecting rod is provided with a sleeve connecting seat bending towards one end of the sliding stop block.
2. The nut anti-follow tool of claim 1, wherein: the inner side of the sliding stop block, the inner side of the fixed stop block and the upper end of the supporting beam are all provided with a protective pad.
3. The nut anti-follow tool of claim 1, wherein: the support device is characterized in that sliding grooves are formed in two sides of the support cross beam, a U-shaped head is arranged at one end, connected with the pull rod, of the sliding pressing rod, and the U-shaped head is hinged to the spring limiting portion through the sliding grooves in the two sides of the support cross beam.
4. The nut anti-follow tool of claim 1, wherein: the free end of the sliding block is also provided with a hook extending towards one end of the fixed block.
5. The nut anti-follow tool of claim 1, wherein: the spring baffle is arranged on the outer side of the guide hole of the supporting cross beam and detachably connected with the supporting cross beam, a through hole matched with the pull rod is formed in the spring baffle, and the other end of the compression spring abuts against the inner side of the spring baffle.
6. The nut anti-follow tool of claim 1, wherein: the operating handle is provided with an anti-slip sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011047976.6A CN112276840A (en) | 2020-09-29 | 2020-09-29 | Follow-up rotation prevention tool for nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011047976.6A CN112276840A (en) | 2020-09-29 | 2020-09-29 | Follow-up rotation prevention tool for nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112276840A true CN112276840A (en) | 2021-01-29 |
Family
ID=74421979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011047976.6A Pending CN112276840A (en) | 2020-09-29 | 2020-09-29 | Follow-up rotation prevention tool for nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112276840A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203485077U (en) * | 2013-07-26 | 2014-03-19 | 中铁十九局集团第七工程有限公司 | A kind of spanner |
| CN203993693U (en) * | 2014-04-11 | 2014-12-10 | 东风汽车公司 | The anti-transfer of servo tightening machine mechanism |
| CN207534713U (en) * | 2017-11-01 | 2018-06-26 | 湖北美洋汽车工业有限公司 | One kind can anti-transfer wrench mechanism |
| CN209125704U (en) * | 2018-12-03 | 2019-07-19 | 钱洲杰 | A kind of monkey wrench |
| CN210476780U (en) * | 2019-08-30 | 2020-05-08 | 湖北汉唐智能科技股份有限公司 | Counter-knocking type bolt tightening counter-force arm device |
| CN214292841U (en) * | 2020-09-29 | 2021-09-28 | 上汽通用五菱汽车股份有限公司 | Follow-up rotation prevention tool for nut |
-
2020
- 2020-09-29 CN CN202011047976.6A patent/CN112276840A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203485077U (en) * | 2013-07-26 | 2014-03-19 | 中铁十九局集团第七工程有限公司 | A kind of spanner |
| CN203993693U (en) * | 2014-04-11 | 2014-12-10 | 东风汽车公司 | The anti-transfer of servo tightening machine mechanism |
| CN207534713U (en) * | 2017-11-01 | 2018-06-26 | 湖北美洋汽车工业有限公司 | One kind can anti-transfer wrench mechanism |
| CN209125704U (en) * | 2018-12-03 | 2019-07-19 | 钱洲杰 | A kind of monkey wrench |
| CN210476780U (en) * | 2019-08-30 | 2020-05-08 | 湖北汉唐智能科技股份有限公司 | Counter-knocking type bolt tightening counter-force arm device |
| CN214292841U (en) * | 2020-09-29 | 2021-09-28 | 上汽通用五菱汽车股份有限公司 | Follow-up rotation prevention tool for nut |
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| PB01 | Publication | ||
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