CN214331148U - Novel locking threaded connection assembly - Google Patents
Novel locking threaded connection assembly Download PDFInfo
- Publication number
- CN214331148U CN214331148U CN202023087044.2U CN202023087044U CN214331148U CN 214331148 U CN214331148 U CN 214331148U CN 202023087044 U CN202023087044 U CN 202023087044U CN 214331148 U CN214331148 U CN 214331148U
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- nut
- locking
- half piece
- threaded hole
- screw
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Abstract
The utility model relates to a novel anti-loosening threaded connection assembly, which comprises a bolt and a nut, wherein the nut is internally provided with a threaded hole matched with the bolt in a threaded manner, the middle part of the nut is provided with a transverse joint cutting perpendicular to the axis of the threaded hole, the transverse joint cutting extends from one side of the nut to the threaded hole, the transverse joint cutting is not completely cut through the nut, and the nut is positioned on two sides of the transverse joint cutting to form an upper half piece and a lower half piece respectively; the nut is further provided with a locking threaded hole which is arranged in parallel with the threaded hole, the locking threaded hole is communicated with the transverse joint seam, a locking screw is screwed in the locking threaded hole, and the upper half piece can be close to or far away from the lower half piece by screwing the locking screw. After the connection, the nut and the bolt can be effectively prevented from loosening and rotating.
Description
Technical Field
The utility model belongs to the technical field of the mechanical connection part and specifically relates to a novel locking thread coupling assembling is related to.
Background
The threaded connection assembly is called 'industrial salt' and is an indispensable necessity in industrial production, but the threaded connection assembly has a great problem, and once the threaded connection assembly is loosened, mechanical failure can be caused, and even casualties can be caused. Therefore, there is a need to develop a threaded connection assembly that can effectively prevent loosening of threads after connection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a novel locking thread coupling assembling, connect the back, can effectively prevent not hard up rotation between nut and the bolt.
The purpose of the utility model is realized through the following technical scheme:
a novel anti-loosening threaded connection assembly comprises a bolt and a nut, wherein a threaded hole in threaded fit with the bolt is formed in the nut, a transverse cutting seam perpendicular to the axis of the threaded hole is formed in the middle of the nut, the transverse cutting seam extends from one side of the nut to the threaded hole and does not completely cut through the nut, and the nut is located on two sides of the transverse cutting seam to form an upper half piece and a lower half piece respectively; the nut is further provided with a locking threaded hole which is arranged in parallel with the threaded hole, the locking threaded hole is communicated with the transverse joint seam, a locking screw is screwed in the locking threaded hole, and the upper half piece can be close to or far away from the lower half piece by screwing the locking screw.
In a preferred embodiment of the above solution, the locking screw hole penetrates through the upper half piece but does not extend into the lower half piece, and when the locking screw is tightened, the locking screw abuts against the lower half piece, so that the upper half piece is pushed away from the lower half piece.
As another preferred embodiment of the above solution, the lock screw hole penetrates through the upper half and extends into the lower half, and the depth of the lock screw hole is greater than the length of the lock screw, and when the nut of the lock screw abuts against the upper half and then the lock screw is continuously tightened, the lock screw tightens the upper half and the lower half towards each other.
In the above aspect, the transverse slit cuts completely through the threaded hole.
In the above scheme, the head of the bolt is provided with a longitudinal kerf and a tensioning screw hole, the axis of the tensioning screw hole is located in the longitudinal kerf, the longitudinal kerf divides the head of the bolt into a left half block and a right half block, the tensioning screw hole is located in the right half block and is threaded, the tensioning screw hole is located in the left half block and is unthreaded, the aperture of the tensioning screw hole is smaller than the outer diameter of the threads of the right half block, a tensioning screw is screwed in the tensioning screw hole, and when the tensioning screw is tightened, the left half block and the right half block can be repelled.
The utility model discloses following beneficial effect has: the utility model discloses a novel anti-loosening threaded connecting component, which is characterized in that a transverse joint cutting extending to a threaded hole is cut inwards from one side of a nut, and then an upper half piece and a lower half piece can be formed on the upper part and the lower part of the transverse joint cutting; the nut is further provided with a locking threaded hole and provided with a locking screw, when the locking screw is screwed down, the upper half piece and the lower half piece can be made to approach or separate from each other, and when the upper half piece and the lower half piece approach or separate from each other, the threads in the upper half piece and the lower half piece respectively compress the threads of the bolt from opposite directions, so that the friction force between the nut and the bolt is effectively increased, and the effective anti-loosening effect is realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the novel anti-loosening threaded connection assembly of the present invention;
fig. 2 is a schematic structural view of the nut of the present invention;
fig. 3 is a schematic structural view of the bolt of the present invention;
fig. 4 is a middle sectional view of the bolt of the present invention;
fig. 5 is a schematic sectional view of the novel anti-loosening threaded connection assembly according to embodiment a of the present invention;
fig. 6 is a schematic sectional view of the novel locking threaded connection assembly B during use.
The specific structure in the figure illustrates that: 1 bolt, 11 longitudinal cutting seams, 12 tensioning screw holes, 13 right half blocks, 14 left half blocks, 2 nuts, 21 threaded holes, 22 transverse cutting seams, 23 locking threaded holes, 24 upper half pieces, 25 lower half pieces, 3 locking screws, 4 tensioning screws and 5 connected pieces.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments shown in the drawings.
Referring to fig. 1-2, a novel anti-loosening threaded connection assembly comprises a bolt 1 and a nut 2, wherein a threaded hole 21 in threaded fit with the bolt 1 is formed in the nut 2, a transverse cutting seam 22 perpendicular to the axis of the threaded hole 21 is formed in the middle of the nut 2, the transverse cutting seam 22 extends from one side of the nut to the threaded hole 21, the transverse cutting seam 22 does not completely cut through the nut 2, and an upper half piece 24 and a lower half piece 25 are respectively formed on two sides of the nut 2, which are located on the transverse cutting seam 22; the nut 2 is further provided with a locking threaded hole 23 which is parallel to the threaded hole 21, the locking threaded hole 23 is communicated with the transverse cutting seam 22, a locking screw 4 is screwed in the locking threaded hole 23, and the upper half piece 24 can be close to or far away from the lower half piece 25 by screwing the locking screw 4. When the anti-loosening bolt is used, the bolt 1 penetrates through the connected piece 5, the nut 2 is screwed into the head (the end far away from the nut) of the bolt 1, then the locking screw 3 is screwed, the upper half piece 24 and the lower half piece 25 can move towards or away from each other, when the upper half piece 24 and the lower half piece 25 move towards or away from each other, the threads in the upper half piece 24 and the lower half piece 25 respectively press the threads of the bolt 1 from opposite directions, so that the friction force between the nut 2 and the bolt 1 is effectively increased, and an effective anti-loosening effect is realized.
Referring to fig. 5, the following scheme a is provided, which can realize that the upper half piece 24 is far away from the lower half piece 25 after the locking screw is screwed, and the specific structure is as follows: the locking screw hole 23 penetrates through the upper half piece 24 but does not extend into the lower half piece 25, and when the locking screw 3 is screwed down, the locking screw 3 abuts against the lower half piece 25, so that the upper half piece 24 is pushed up and away from the lower half piece 25.
Referring to fig. 6, a scheme B is provided below, so that the upper half piece 24 is close to the lower half piece 25 after the locking screw is screwed down, and the specific structure is as follows: the locking threaded hole 23 penetrates through the upper half piece 24 and extends into the lower half piece 25, the depth of the locking threaded hole 23 is larger than the length of the locking screw 3, the locking screw 3 is continuously screwed after the nut of the locking screw 3 abuts against the upper half piece 24, and the locking screw 3 pulls the upper half piece 24 and the lower half piece 25 towards each other.
In the above solution, the transversal incision 22 cuts completely through the threaded hole 21. The transverse slit 22 cuts completely through the threaded hole 21, ensuring that the upper half 24 and the lower half 25 are sufficiently deformed relative to each other at the threaded hole 21, thereby ensuring that the nut 2 can be effectively tightened against the bolt 1.
In the above scheme, referring to fig. 3-4, the head of the bolt 1 is provided with a longitudinal slit 11 and a tensioning screw hole 12, an axis of the tensioning screw hole 12 is located in the longitudinal slit 11, the head of the bolt 1 is divided into a left half block 14 and a right half block 13 by the longitudinal slit 11, the tensioning screw hole 12 is located in the right half block 13 and is threaded, the tensioning screw hole 12 is located in the left half block 14 and is unthreaded, the diameter of the tensioning screw hole is smaller than the outer diameter of the threads of the right half block 13, a tensioning screw 4 is screwed in the tensioning screw hole 12, and when the tensioning screw 4 is tightened, the left half block 14 and the right half block 13 can be repelled. From this, screw in behind the tight screw 4 that rises struts the head of bolt 1, can make nut 2 can't follow bolt 1 head back-out again, further realizes locking effect, and dual locking can be realized to the locking setting of cooperation nut 2, and locking effect is showing.
The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, that is, all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.
Claims (5)
1. The utility model provides a novel locking threaded connection subassembly, includes bolt and nut, open in the nut have with bolt screw-thread fit's screw hole, its characterized in that: the middle part of the nut is provided with a transverse cutting seam which is vertical to the axis of the threaded hole, the transverse cutting seam extends from one side of the nut to the threaded hole, the transverse cutting seam is not completely cut through the nut, and the nut is positioned on two sides of the transverse cutting seam to form an upper half piece and a lower half piece respectively; the nut is further provided with a locking threaded hole which is arranged in parallel with the threaded hole, the locking threaded hole is communicated with the transverse joint seam, a locking screw is screwed in the locking threaded hole, and the upper half piece can be close to or far away from the lower half piece by screwing the locking screw.
2. A novel anti-loosening threaded connection assembly as defined in claim 1, wherein: the locking threaded hole penetrates through the upper half piece but does not extend into the lower half piece, and when the locking screw is screwed down, the locking screw abuts against the lower half piece, so that the upper half piece is pushed away from the lower half piece.
3. A novel anti-loosening threaded connection assembly as defined in claim 1, wherein: the locking threaded hole penetrates through the upper half piece and extends into the lower half piece, the depth of the locking threaded hole is larger than the length of the locking screw, the locking screw is continuously screwed after a nut of the locking screw abuts against the upper half piece, and the locking screw pulls the upper half piece and the lower half piece to approach each other in an opposite tensioning mode.
4. A novel anti-loosening threaded connection assembly as defined in claim 1, wherein: the transverse slit cuts completely through the threaded hole.
5. A novel anti-loosening threaded connection assembly as defined in claim 1, wherein: the bolt comprises a bolt body and is characterized in that a longitudinal cutting joint and a tensioning screw hole are formed in the head of the bolt body, the axis of the tensioning screw hole is located in the longitudinal cutting joint, the head of the bolt body is divided into a left half block and a right half block by the longitudinal cutting joint, the tensioning screw hole is located in the right half block and is provided with threads, the tensioning screw hole is located in the left half block and is not provided with threads, the diameter of the tensioning screw hole is smaller than the outer diameter of the threads of the right half block, a tensioning screw is screwed in the tensioning screw hole, and when the tensioning screw is tightened, the left half block and the right half block can be repelled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023087044.2U CN214331148U (en) | 2020-12-18 | 2020-12-18 | Novel locking threaded connection assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023087044.2U CN214331148U (en) | 2020-12-18 | 2020-12-18 | Novel locking threaded connection assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214331148U true CN214331148U (en) | 2021-10-01 |
Family
ID=77900477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023087044.2U Active CN214331148U (en) | 2020-12-18 | 2020-12-18 | Novel locking threaded connection assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214331148U (en) |
-
2020
- 2020-12-18 CN CN202023087044.2U patent/CN214331148U/en active Active
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