CN211039350U - Precise fastener for large-scale mechanical equipment - Google Patents
Precise fastener for large-scale mechanical equipment Download PDFInfo
- Publication number
- CN211039350U CN211039350U CN201922082589.5U CN201922082589U CN211039350U CN 211039350 U CN211039350 U CN 211039350U CN 201922082589 U CN201922082589 U CN 201922082589U CN 211039350 U CN211039350 U CN 211039350U
- Authority
- CN
- China
- Prior art keywords
- bolt
- locknut
- block
- sliding block
- sliding
- 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.)
- Expired - Fee Related
Links
- 238000003889 chemical engineering Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
Images
Landscapes
- Connection Of Plates (AREA)
Abstract
The utility model discloses an accurate fastener for large-scale mechanical equipment, include by the connecting piece, be provided with the bolt by the inside of connecting piece, the top threaded connection of bolt has locknut, the spout has been seted up to the inside one side of locknut, the inside of spout is provided with the slider, slider and spout sliding connection, the outside one side that is close to the spout of locknut has seted up threaded hole, the one end that the bolt was kept away from to the slider extends to the inside of screw hole, the inside of screw hole is provided with the piece that sticiss soon. The utility model discloses a rotate and tighten the piece soon, promote the slider inward movement to utilize the tool bit to cut into the inside of bolt screw, prevent that locknut from rotating once more, and through set up the spring between two guide pillars, can make the tool bit all the time with the bolt block with the help of the elasticity of spring, strengthened locknut and bolted connection's stability, improved the accuracy and the stability that the fastener used.
Description
Technical Field
The utility model relates to a fastener technical field, concretely relates to accurate fastener for large-scale mechanical equipment.
Background
The fastener is a mechanical part which is used for fastening and connecting and has wide application, has wide application industries, comprises energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, dies, hydraulic pressure and the like, can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, supplies and the like, and is a mechanical basic part which has the most wide application;
the prior art has the following defects: in the connection of some large-scale mechanical equipment, the nut is easy to loosen due to large vibration, so that the precision of mechanical use is influenced, and meanwhile, the nut has large potential safety hazards.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an accurate fastener for large-scale mechanical equipment, through rotating the tight piece of screwing, make the piece of screwing constantly inwards move, promote the slider inwards move, and utilize the tool bit to cut into the inside of bolt screw, thereby make slider and the inseparable block of bolt, prevent locknut from rotating once more, and through setting up the spring between two guide pillars, can make the tool bit all the time with the bolt block with the help of the elasticity of spring, ensure locknut and can not rotate because of the not hard up of the tight piece of screwing, with the above-mentioned weak point in the solution technology.
In order to achieve the above object, the present invention provides the following technical solutions: preferably, the precise fastener for the large-scale mechanical equipment comprises a connected piece, a bolt is arranged in the connected piece, a locknut is connected to the top of the bolt through threads, a sliding groove is formed in one side inside the locknut, a sliding block is arranged in the sliding groove and is connected with the sliding groove in a sliding mode, a threaded hole is formed in one side, close to the sliding groove, of the outside of the locknut, one end, far away from the bolt, of the sliding block extends into the threaded hole, a screwing block is arranged in the threaded hole and is connected with the threaded hole through threads, a tool bit is fixedly connected to one end, close to the bolt, of the sliding block, a guide pillar is fixedly mounted on one side, close to the flat groove, of the screwing block, and a spring is sleeved on.
Preferably, the width of the sliding block is equal to the width of the sliding groove.
Preferably, the hardness of the cutting head is greater than the hardness of the bolt thread.
Preferably, the length of the sliding block is greater than that of the sliding groove.
Preferably, the diameter value of the guide pillar is larger than the width value of the sliding block.
Preferably, the sum of the length values of the two guide columns is greater than the length value of the spring in a natural relaxation state.
Preferably, one side of the screwing block, which is far away from the sliding block, is provided with a flat slot.
Preferably, the top and the bottom of the connected piece are both provided with washers, and the washers are sleeved outside the bolt.
In the technical scheme, the utility model provides a technological effect and advantage:
1. the utility model discloses a set up spout and screw hole in locknut's inside, and at the inside sliding connection slider of spout, and set up the piece of screwing in the inside of screw hole, rotate the piece of screwing in, make the piece of screwing in constantly inwards move, and then make two guide pillars contact each other, thereby can promote the slider to inwards move, and utilize the tool bit to cut into the inside of bolt screw, thereby make slider and bolt closely block, prevent locknut from rotating once more, and through setting up the spring between two guide pillars, can make the tool bit block with the bolt all the time with the help of the elasticity of spring, and limit locknut's rotation, ensure locknut can not rotate because of the not hard up of the piece of screwing in, the stability of locknut and bolted connection has been strengthened, compared with the prior art, the precision and the stability that the fastener used have greatly been improved;
2. the utility model discloses a set up the flat mouthful groove in one side of the piece of screwing far away from the slider, can be when in-service use, through the cooperation in flat mouthful screwdriver and flat mouthful groove, twist from the outside and move the piece of screwing, and simultaneously, when needs are dismantled locknut, can use the flat mouthful screwdriver to screw the piece and twist out, and take out the slider with tweezers or clip, can rotate locknut, and take off locknut, and then can and conveniently operate at the device, strengthen the practicality of device, and establish the packing ring through the outside cover at the bolt, can carry out buffer protection to the connection of device, in order to improve the security that the device used, compared with prior art, the convenience and the practicality that the fastener used have been improved widely.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.
Fig. 4 is an enlarged view of the structure of the part B of fig. 2 according to the present invention.
Fig. 5 is a schematic view of the overall structure of the screwing block of the present invention.
Description of reference numerals:
1. a connected member; 2. a bolt; 3. a locknut; 4. a gasket; 5. a chute; 6. a slider; 7. a cutter head; 8. a threaded hole; 9. screwing the block; 10. a flat groove; 11. a guide post; 12. a spring.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides a precision fastener for large-scale mechanical equipment as shown in figures 1-5, which comprises a connected piece 1, a bolt 2 is arranged in the connected piece 1, a locknut 3 is connected with the top thread of the bolt 2, a chute 5 is arranged on one side of the inner part of the locknut 3, a slide block 6 is arranged in the chute 5, the slide block 6 is connected with the chute 5 in a sliding way, a threaded hole 8 is arranged on one side of the outer part of the locknut 3 close to the chute 5, one end of the slide block 6 far away from the bolt 2 extends to the inner part of the threaded hole 8, a screwing block 9 is arranged in the threaded hole 8, the screwing block 9 is connected with the threaded hole 8 in a threaded way, a tool bit 7 is fixedly connected with one end of the slide block 6 close to the bolt 2, a guide post 11 is fixedly arranged on one side of the screwing block 9 and one side, a spring 12 is sleeved outside the guide post 11;
further, in the above technical solution, the width of the sliding block 6 is equal to the width of the sliding groove 5, so that the sliding block 6 can slide stably in the sliding groove 5, and meanwhile, the supporting strength of the sliding block 6 by the sliding groove 5 can also be improved;
furthermore, in the above technical solution, the hardness of the tool bit 7 is greater than the hardness of the thread of the bolt 2, so that when the tightening block 9 is rotated to push the slider 6 to move inward, the tool bit 7 can be used to easily cut into the thread of the bolt 2, so that the tool bit 7 is tightly engaged with the bolt 2, and the locknut 3 is prevented from rotating again;
further, in the above technical solution, the length of the sliding block 6 is greater than that of the sliding groove 5, so as to ensure that one end of the sliding block 6 can be always located inside the threaded hole 8;
further, in the above technical solution, the diameter value of the guide post 11 is greater than the width value of the slide block 6, so that the slide block 6 can be prevented from completely sinking into the sliding groove 5, thereby facilitating the screwing-out of the screwing-in block 9 at a later stage, and the guide post 11 is clamped by the clamp to take out the slide block 6, thereby realizing the disassembly of the locknut 3;
furthermore, in the above technical solution, the sum of the lengths of the two guide pillars 11 is greater than the length of the spring 12 in a natural loose state, so that when the tightening block 9 is loosened and the two guide pillars 11 are disengaged, the tool bit 7 can still be engaged with the bolt 2 by means of the elastic force of the spring 12, and the rotation of the locknut 3 is limited, thereby ensuring that the locknut 3 cannot rotate due to the loosening of the tightening block 9;
the implementation mode is specifically as follows: by arranging the sliding groove 5 and the threaded hole 8 in the locknut 3, slidably connecting the sliding block 6 in the sliding groove 5 and arranging the screwing block 9 in the threaded hole 8, after the locknut 3 is tightly connected with the bolt 2, in order to prevent the locknut 3 from loosening caused by the vibration of large machinery, after the locknut 3 is installed, the screwing block 9 is rotated, the screwing block 9 is connected with the threaded hole 8 by the thread of the screwing block 9, so that the screwing block 9 continuously moves inwards, and then the two guide posts 11 are contacted with each other, thereby the sliding block 6 can be pushed to move inwards, and the tool bit 7 is cut into the inner part of the thread of the bolt 2, so that the thread of the bolt 2 is damaged, and a tool edge is formed, so that the tool bit 7 is tightly attached to the tool edge, thereby the sliding block 6 is tightly clamped with the bolt 2, and the locknut 3 is prevented from rotating again, thereby the locknut 3 is tightly connected with the, in order to guarantee the precision of equipment connection, the spring 12 is arranged between the two guide columns 11, the sum of the length values of the two guide columns 11 is larger than the length value of the spring 12 in a natural loose state, so that when the screwing block 9 is loose and the two guide columns 11 are separated, the tool bit 7 can be clamped with the bolt 2 by means of the elasticity of the spring 12, the rotation of the locknut 3 is limited, the locknut 3 is ensured not to rotate due to the loosening of the screwing block 9, the stability of the connection of the locknut 3 and the bolt 2 is enhanced, and the problem that the fastener is loosened and falls off easily due to vibration generated by large-scale equipment in the prior art is solved.
1-2, further, in the above technical solution, a flat slot 10 is formed on one side of the screwing block 9 away from the sliding block 6;
further, in the above technical solution, washers 4 are disposed on both the top and the bottom of the connected member 1, and the washers 4 are sleeved outside the bolts 2, so as to buffer the connection of the device;
the implementation mode is specifically as follows: offer the flat mouthful groove 10 through the one side of keeping away from slider 6 in the piece of screwing 9, can be when the in-service use, through the cooperation of flat screwdriver and flat mouthful groove 10, screw up piece 9 from the outside, and simultaneously, when needs are dismantled locknut 3, can use the flat screwdriver will screw up piece 9 and screw out, and take out slider 6 with tweezers or clip, can rotate locknut 3, and take off locknut 3, and then can and conveniently operate at the device, strengthen the practicality of device, and establish packing ring 4 through the outside cover at bolt 2, can carry out buffer protection to the connection of device, in order to improve the security that the device used, this embodiment has specifically solved the inconvenient problem of installing the dismantlement to the device.
This practical theory of operation: through seting up spout 5 and screw hole 8 in locknut 3's inside, and at the inside sliding connection slider 6 of spout 5, and set up in the inside of screw hole 8 and tighten piece 9, it tightens piece 9 to rotate, make the piece 9 of screwing constantly inwards move, promote slider 6 inwards move, and utilize tool bit 7 to cut into the inside of bolt 2 screw thread, thereby make slider 6 and the inseparable block of bolt 2, prevent locknut 3 and rotate once more, and through set up spring 12 between two guide pillars 11, can make tool bit 7 block with bolt 2 all the time with the help of spring 12's elasticity, ensure locknut 3 can not rotate because of the not hard up of tightening piece 9.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. A precision fastener for large mechanical equipment, comprising a connected piece (1), characterized in that: a bolt (2) is arranged inside the connected piece (1), a locknut (3) is in threaded connection with the top of the bolt (2), a sliding groove (5) is formed in one side inside the locknut (3), a sliding block (6) is arranged inside the sliding groove (5), the sliding block (6) is in sliding connection with the sliding groove (5), a threaded hole (8) is formed in one side, close to the sliding groove (5), of the outer portion of the locknut (3), one end, far away from the bolt (2), of the sliding block (6) extends into the threaded hole (8), a screwing block (9) is arranged inside the threaded hole (8), the screwing block (9) is in threaded connection with the threaded hole (8), a tool bit (7) is fixedly connected to one end, close to the bolt (2), of the sliding block (6), and a guide post (11) is fixedly mounted on one side, close to each other, of the screwing block (9) and the plain groove, the spring (12) is sleeved outside the guide post (11).
2. A precision fastener for large scale machinery equipment according to claim 1 wherein: the width of the sliding block (6) is equal to that of the sliding groove (5).
3. A precision fastener for large scale machinery equipment according to claim 1 wherein: the hardness of the cutter head (7) is greater than that of the screw thread of the bolt (2).
4. A precision fastener for large scale machinery equipment according to claim 1 wherein: the length of the sliding block (6) is greater than that of the sliding groove (5).
5. A precision fastener for large scale machinery equipment according to claim 1 wherein: the diameter value of the guide post (11) is larger than the width value of the sliding block (6).
6. A precision fastener for large scale machinery equipment according to claim 1 wherein: the sum of the length values of the two guide columns (11) is greater than the length value of the spring (12) in a natural relaxation state.
7. A precision fastener for large scale machinery equipment according to claim 1 wherein: one side of the screwing block (9) far away from the sliding block (6) is provided with a flat groove (10).
8. A precision fastener for large scale machinery equipment according to claim 1 wherein: the top and the bottom of the connected piece (1) are both provided with a gasket (4), and the gasket (4) is sleeved outside the bolt (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082589.5U CN211039350U (en) | 2019-11-27 | 2019-11-27 | Precise fastener for large-scale mechanical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082589.5U CN211039350U (en) | 2019-11-27 | 2019-11-27 | Precise fastener for large-scale mechanical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039350U true CN211039350U (en) | 2020-07-17 |
Family
ID=71537263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922082589.5U Expired - Fee Related CN211039350U (en) | 2019-11-27 | 2019-11-27 | Precise fastener for large-scale mechanical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211039350U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779752A (en) * | 2020-07-29 | 2020-10-16 | 南京至美畅和科技会展股份有限公司 | Screw nut special for hanging part |
| CN113638955A (en) * | 2021-08-24 | 2021-11-12 | 合肥巨步机械科技有限公司 | Anti-loosening bolt and using method |
| CN113847329A (en) * | 2021-10-27 | 2021-12-28 | 芜湖兆合汽车零部件科技有限公司 | High-strength anti-drop locknut |
| CN114060382A (en) * | 2021-12-03 | 2022-02-18 | 昆山鸿永胜精密五金制品有限公司 | Electronic product threaded fastener with anti-seismic function and production method thereof |
| CN114483733A (en) * | 2022-02-10 | 2022-05-13 | 浙江奥展航空科技有限公司 | High mechanical anti-loosening fastening structure of security |
| CN114857152A (en) * | 2022-04-28 | 2022-08-05 | 合肥屹坤精工科技有限公司 | Nut structure for precise fastener of server equipment |
| CN115823089A (en) * | 2022-11-25 | 2023-03-21 | 昆明理工大学 | Part rotating structure and method for preventing screw from being compressed |
-
2019
- 2019-11-27 CN CN201922082589.5U patent/CN211039350U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779752A (en) * | 2020-07-29 | 2020-10-16 | 南京至美畅和科技会展股份有限公司 | Screw nut special for hanging part |
| CN113638955A (en) * | 2021-08-24 | 2021-11-12 | 合肥巨步机械科技有限公司 | Anti-loosening bolt and using method |
| CN113847329A (en) * | 2021-10-27 | 2021-12-28 | 芜湖兆合汽车零部件科技有限公司 | High-strength anti-drop locknut |
| CN114060382A (en) * | 2021-12-03 | 2022-02-18 | 昆山鸿永胜精密五金制品有限公司 | Electronic product threaded fastener with anti-seismic function and production method thereof |
| CN114483733A (en) * | 2022-02-10 | 2022-05-13 | 浙江奥展航空科技有限公司 | High mechanical anti-loosening fastening structure of security |
| CN114857152A (en) * | 2022-04-28 | 2022-08-05 | 合肥屹坤精工科技有限公司 | Nut structure for precise fastener of server equipment |
| CN114857152B (en) * | 2022-04-28 | 2024-04-02 | 合肥屹坤精工科技有限公司 | Be used for accurate fastener nut structure of server equipment |
| CN115823089A (en) * | 2022-11-25 | 2023-03-21 | 昆明理工大学 | Part rotating structure and method for preventing screw from being compressed |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211039350U (en) | Precise fastener for large-scale mechanical equipment | |
| GB2496085A (en) | A bolt | |
| CN103659683A (en) | Stud mounting and dismounting tool | |
| CN207715516U (en) | A kind of surface recombination passivation forming fastener | |
| CN204477007U (en) | Novel bolt | |
| CN204878222U (en) | Check bolt | |
| CN208686778U (en) | Combined locking bolt | |
| CN204686747U (en) | A kind of multifunctional wrench | |
| CN207777387U (en) | A kind of check bolt | |
| CN207309846U (en) | A kind of fast dismounting device for disc shear edge | |
| CN203622300U (en) | Special wrench for butterfly nut of grounding terminal | |
| CN202185879U (en) | Wrench auxiliary device for disassembling bolt | |
| CN102615612A (en) | Multifunctional wrench | |
| CN203756707U (en) | Anti-burglary nut and supporting tools | |
| CN216468576U (en) | Quick fastening device of naval vessel mooring grid apron | |
| CN202592266U (en) | Dual-arm inner hexagon spanner | |
| CN214698704U (en) | C-head screw for stainless steel positioning column | |
| CN216707315U (en) | Tool for replacing sliding screw | |
| CN206280357U (en) | A kind of more piece slotted screw | |
| CN203098522U (en) | Bolt | |
| CN206937171U (en) | A kind of insulation double head spanners that can flexibly dismantle | |
| CN210819417U (en) | Multifunctional wrench | |
| CN104088886A (en) | Antitheft self-tapping screw | |
| CN209483771U (en) | Detachable tap expansion screw bolt | |
| CN206519910U (en) | A kind of new hardware spanner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |