CN211117077U - Anti-cracking fastening assembly - Google Patents
Anti-cracking fastening assembly Download PDFInfo
- Publication number
- CN211117077U CN211117077U CN201922246390.1U CN201922246390U CN211117077U CN 211117077 U CN211117077 U CN 211117077U CN 201922246390 U CN201922246390 U CN 201922246390U CN 211117077 U CN211117077 U CN 211117077U
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- Prior art keywords
- screw
- wall
- connecting screw
- fixed
- screw rod
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- Expired - Fee Related
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- 238000005336 cracking Methods 0.000 title claims description 6
- 238000001125 extrusion Methods 0.000 abstract description 9
- 238000003466 welding Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a crack control fastening components, including connecting screw, connecting screw's one end welding has the stopper, and the cover is equipped with first backing ring on one side outer wall of connecting screw, one side position department that lies in first backing ring on one side outer wall of connecting screw closes soon through the screw thread and is connected with the connection swivel nut, the last one end welding of keeping away from the stopper of connecting screw has the dead lever. This crack control fastening components, through connecting screw with connect the swivel nut and mutual cooperation of clamping screw and fixed swivel nut, can realize the effect of two connecting piece fastenings, avoid connecting screw and the not hard up problem that causes two connecting pieces to become flexible to drop of the screw thread between the swivel nut of connecting, improve the compactness of connecting, in addition, can reduce the extrusion force degree of fastening components to the connecting piece through connecting the dual fixed of swivel nut and clamping screw, thereby avoid the problem of connecting piece extrusion fracture, play the effect of crack control.
Description
Technical Field
The utility model relates to a crack control fastening technical field specifically is a crack control fastening components.
Background
An assembly is one of several components that may be assembled or reassembled for assembling an entire machine, component, or assembly of elements.
However, in most of fastening assemblies in the market at present, fastening of the connecting piece is realized through the combination of a nut and a bolt, and such fastening assemblies easily apply a large extrusion force to the connecting piece during fastening, so that the connecting piece is easily cracked, and in addition, as the threaded connection is easily loosened, the fastening capacity of the fastening assembly is reduced, and the tightness of the connection of the connecting piece is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a crack control fastening components to it is difficult to prevent connecting piece fracture and the relatively poor problem of fastening nature to propose current fastening components in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-cracking fastening component, includes connecting screw, connecting screw's one end welding has the stopper, and the cover is equipped with first backing ring on one side outer wall of connecting screw, one side position department that lies in first backing ring on connecting screw's one side outer wall closes soon through the screw thread and is connected with the connection swivel nut, the last one end welding of keeping away from the stopper of connecting screw has the dead lever, the cover is equipped with fixed cover on one side outer wall of dead lever, lie in on one side outer wall of connecting screw and be provided with the second backing ring between connection swivel nut and the fixed cover, the second screw hole has been seted up on the dead lever, set up the first fixed orifices that corresponds with the second screw hole on the both sides outer wall of fixed cover, be equipped with clamping screw in first fixed orifices and the.
Preferably, one end of the fixing screw rod is welded with a first thread head, and the outer wall of the fixing screw rod is movably sleeved with a fixing thread sleeve.
Preferably, the outer wall of one side of the connecting screw rod is positioned between the first backing ring and the connecting threaded sleeve and is used for installing the first connecting piece and the second connecting piece.
Preferably, a first anti-slip groove is formed in the outer wall of one side of the connecting threaded sleeve.
Preferably, a second thread head is welded on the outer wall of one side, far away from the connecting screw rod, of the limiting block, and a second anti-skidding groove is formed in the outer wall of one side of the second thread head.
Preferably, cross holes are formed in the outer walls of the first threaded head and the second threaded head on one side.
Compared with the prior art, the beneficial effects of the utility model are that: this crack control fastening components, through connecting screw with connect the swivel nut and mutual cooperation of clamping screw and fixed swivel nut, can realize the effect of two connecting piece fastenings, avoid connecting screw and the not hard up problem that causes two connecting pieces to become flexible to drop of the screw thread between the swivel nut of connecting, improve the compactness of connecting, in addition, can reduce the extrusion force degree of fastening components to the connecting piece through connecting the dual fixed of swivel nut and clamping screw to avoid the problem of connecting piece extrusion fracture, play the effect of crack control.
Drawings
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a bottom view of the fixing sleeve of the present invention;
fig. 4 is a top view of the second thread start of the present invention.
In the figure: 1. connecting a screw rod; 2. a limiting block; 3. a first backing ring; 4. connecting a threaded sleeve; 5. fixing a sleeve; 6. a second backing ring; 7. a first fixing hole; 8. a second threaded hole; 9. fixing the screw rod; 10. a first thread start; 11. fixing the threaded sleeve; 12. fixing the rod; 13. a first connecting member; 14. a second connecting member; 15. a first anti-slip groove; 16. a second thread start; 17. a second anti-slip groove; 18. a cross hole; 19. and a through hole.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an anti-cracking fastening component, includes connecting screw 1, stopper 2, first backing ring 3, connects swivel nut 4, fixed cover 5, second backing ring 6, first fixed orifices 7, second screw hole 8, clamping screw 9, first thread head 10, fixed swivel nut 11, dead lever 12, first antiskid groove 15, second thread head 16, second antiskid groove 17, cross hole 18. Stopper 2 is welded to connecting screw 1's one end, and the cover is equipped with first backing ring 3 on connecting screw 1's the outer wall, the one side position department that lies in first backing ring 3 on connecting screw 1's the outer wall closes soon through the screw thread and is connected with connection swivel nut 4, the one end welding that keeps away from stopper 2 on connecting screw 1 has dead lever 12, the cover is equipped with fixed cover 5 on the outer wall of dead lever 12, it is provided with second backing ring 6 to lie in between connection swivel nut 4 and the fixed cover 5 on connecting screw 1's the outer wall, second screw hole 8 has been seted up on dead lever 12, set up the first fixed orifices 7 that correspond with second screw hole 8 on the both sides outer wall of fixed cover 5, be equipped with clamping screw 9 in first fixed orifices 7 and the second screw hole.
Furthermore, one end of the fixing screw 9 is welded with a first thread head 10, and the outer wall of the fixing screw 9 is movably sleeved with a fixing thread sleeve 11, so that the fixing between the fixing sleeve 5 and the fixing rod 12 is conveniently realized.
Furthermore, the outer wall of one side of the connecting screw rod 1 is positioned between the first backing ring 3 and the connecting threaded sleeve 4 and is used for installing a first connecting piece 13 and a second connecting piece 14, the first connecting piece 13 is positioned on one side of the second connecting piece 14, and the first connecting piece 13 and the second connecting piece 14 are provided with through holes 19 for the connecting screw rod 1 to pass through, so that the first connecting piece 13 and the second connecting piece 14 are fixed.
Furthermore, a first anti-slip groove 15 is formed in the outer wall of one side of the connecting threaded sleeve 4, so that the connecting threaded sleeve 4 can be rotated conveniently.
Furthermore, a second thread head 16 is welded on the outer wall of one side, far away from the connecting screw rod 1, of the limiting block 2, and a second anti-skidding groove 17 is formed in the outer wall of one side of the second thread head 16, so that the second thread head 16 can be rotated conveniently.
Furthermore, the outer walls of the first screw head 10 and the second screw head 16 are both provided with cross holes 18, so that the cross screwdriver can conveniently screw.
The working principle is as follows: in use, the first and second connectors 13, 14 are brought together and the two through holes 19 are ensured to coincide. The connecting screw rod 1 penetrates through the through hole 19, the connecting screw sleeve 4 is screwed on the connecting screw rod 1 through the screwing connection of the connecting screw sleeve 4 and the connecting screw rod 1, and the connecting screw sleeve 4 is gradually screwed to fasten the first connecting piece 13 and the second connecting piece 14. After the screwing is completed, the second backing rings 6 are sleeved on the connecting screw rods 1, and the number of the second backing rings 6 is set according to the actual situation. And the fixing sleeve 5 is sleeved on the fixing rod 12 to ensure that the first fixing hole 7 and the second threaded hole 8 are superposed and positioned on the same horizontal plane. Fix screw 9 screw in first fixed orifices 7 and second screw hole 8, will fix the fixed cover 5 of the gradual extrusion of swivel nut 11 through fix screw 9, accomplish first connecting piece 13 and second connecting piece 14 fixed, fixed cover 5 realizes dual fixed through the tight swivel nut 4 in second backing ring 6 top, avoids first connecting piece 13 and second connecting piece 14 to appear splitting when the screw is not hard up.
The contact extrusion area between the first backing ring 3 and the first connecting piece 13 and the contact extrusion area between the first backing ring and the second backing ring and between the first backing ring and the second backing ring 4 are increased, the stress is uniform, the pressure intensity of the extrusion area is small, and the first connecting piece 13 and the second connecting piece 14 can be prevented from being deformed to cause cracking.
The above is only a preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility of the invention and the utility of the patent.
Claims (6)
1. The utility model provides an anti-cracking fastening component, includes connecting screw (1), its characterized in that: a limiting block (2) is welded at one end of the connecting screw rod (1), a first backing ring (3) is sleeved on the outer wall of the connecting screw rod (1), a connecting threaded sleeve (4) is screwed and connected to the outer wall of the connecting screw rod (1) at one side of the first backing ring (3) through threads, a fixed rod (12) is welded at one end of the connecting screw rod (1) far away from the limiting block (2), the outer wall of the fixed rod (12) is sleeved with a fixed sleeve (5), a second backing ring (6) is arranged on the outer wall of the connecting screw rod (1) and positioned between the connecting screw sleeve (4) and the fixed sleeve (5), a second threaded hole (8) is formed on the fixed rod (12), a first fixed hole (7) corresponding to the second threaded hole (8) is formed on the outer wall of the two sides of the fixed sleeve (5), and a fixing screw rod (9) is arranged in the first fixing hole (7) and the second threaded hole (8).
2. An anti-splitting fastening assembly according to claim 1, characterised in that: one end of the fixed screw rod (9) is welded with a first thread head (10), and the outer wall of the fixed screw rod (9) is movably sleeved with a fixed thread sleeve (11).
3. An anti-splitting fastening assembly according to claim 1, characterised in that: the outer wall of the connecting screw rod (1) is positioned between the first backing ring (3) and the connecting threaded sleeve (4) and is used for installing a first connecting piece (13) and a second connecting piece (14).
4. An anti-splitting fastening assembly according to claim 1, characterised in that: and a first anti-slip groove (15) is formed in the outer wall of one side of the connecting screw sleeve (4).
5. An anti-splitting fastening assembly according to claim 2, wherein: the outer wall of one side, far away from the connecting screw rod (1), of the limiting block (2) is welded with a second thread head (16), and a second anti-skidding groove (17) is formed in the outer wall of one side of the second thread head (16).
6. An anti-splitting fastening assembly according to claim 5, wherein: the outer walls of one sides of the first threaded head (10) and the second threaded head (16) are provided with cross holes (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922246390.1U CN211117077U (en) | 2019-12-16 | 2019-12-16 | Anti-cracking fastening assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922246390.1U CN211117077U (en) | 2019-12-16 | 2019-12-16 | Anti-cracking fastening assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211117077U true CN211117077U (en) | 2020-07-28 |
Family
ID=71696794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922246390.1U Expired - Fee Related CN211117077U (en) | 2019-12-16 | 2019-12-16 | Anti-cracking fastening assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211117077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433330A (en) * | 2020-12-10 | 2021-03-02 | 舜宇光学(中山)有限公司 | Lens locking structure |
-
2019
- 2019-12-16 CN CN201922246390.1U patent/CN211117077U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433330A (en) * | 2020-12-10 | 2021-03-02 | 舜宇光学(中山)有限公司 | Lens locking structure |
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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: 20200728 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |