CN220415952U - Fixing bolt capable of adjusting tension - Google Patents
Fixing bolt capable of adjusting tension Download PDFInfo
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- CN220415952U CN220415952U CN202321272816.0U CN202321272816U CN220415952U CN 220415952 U CN220415952 U CN 220415952U CN 202321272816 U CN202321272816 U CN 202321272816U CN 220415952 U CN220415952 U CN 220415952U
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- bolt
- adjusting cavity
- limiting block
- tension
- fixing bolt
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- 238000013461 design Methods 0.000 description 1
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Abstract
The utility model discloses a fixed bolt with adjustable pulling force, which comprises a front bolt, a rear bolt and an adjusting cavity, wherein a screwed nut is arranged on the front side and the rear side of the adjusting cavity, an internal thread is arranged on the screwed nut, a first external thread and a second external thread are respectively arranged on the rear side of the front bolt and the front side of the rear bolt, the second external thread and the first external thread are in fit screwing connection with the internal thread, the inner side of the adjusting cavity is of a hollow structure, the outer side of the adjusting cavity is of a hexagon shape, and the front bolt and the rear bolt can be adjusted in a telescopic way along the front side and the rear side of the adjusting cavity. According to the utility model, the adjusting cavity is arranged between the front bolt and the rear bolt, the external threads of the front bolt and the rear bolt are reversed, and the front bolt and the rear bolt can be retracted or extended by rotating the adjusting cavity, so that the adjustment of the tensile force of the bolts is realized; the telescopic spring between the second limiting block and the first limiting block can be better loosened and can avoid over-tightening of adjustment; the rear bolt can be separated from the adjusting cavity by rotating the handle, the whole disassembly is convenient, and the novel adjustable adjusting device is novel in structure, high in practicability and suitable for popularization.
Description
Technical Field
The utility model relates to the technical field of bolts, in particular to a fixing bolt with adjustable tension.
Background
The bolt is a cylindrical threaded fastener, generally the bolt is composed of a head and a screw rod, the two parts of the cylindrical fastener with external threads are matched with a nut, and the two parts with through holes are used for fastening and connecting, and the connection mode is called bolting, for example, the nut is screwed off from the bolt, and the two parts can be separated, so the bolting belongs to detachable connection. The bolt can be used for conveniently and rapidly connecting two structures, is used as a fixed connecting piece, the using method is simple and convenient, the using effect is good, the bolt has the following defects when in use, the bolt can be loosened gradually after long-time use, so that the two connected structures can be loosened, the stability of a structural body is influenced, certain potential safety hazards exist, particularly in places with frequent vibration force, the structure is easy to loosen, regular checking and maintenance are needed, on some parts, the two connecting structures are not fixed structures, but are tensioned structures, and the two connecting structures are not too loose nor too tight due to the fact that the bolt tension is adjusted according to requirements, so that the fixed bolt with adjustable tension is provided for solving the problems.
In order to realize the regulation of bolt pulling force, improve the stability of bolted connection spare, chinese patent application, bulletin number: CN217107766U, the utility model discloses a tension adjusting bolt, the utility model includes main body mechanism, limit mechanism, nut mechanism and adapting mechanism, the limit mechanism is located at the lower side of the outer end of the main body mechanism, the nut mechanism is located at the upper side of the outer end of the main body mechanism, the adapting mechanism is located in the limit mechanism; the limiting mechanism is fixedly connected with the main body mechanism, and the nut mechanism is in threaded connection with the main body mechanism. According to the utility model, the screwing nut is screwed down into the adapting groove by manual control, so that the friction coefficient of the nut is further improved on the premise of fixing and screwing, the possibility of loosening the nut is reduced, and the stability of the bolt connecting piece is improved.
The scheme still has some defects in application, because the working conditions of the bolt are various, the situation that the nut is not well sleeved and screwed is easy to occur when the bolt is applied in a narrow space or in a place where the die is fixed, and particularly when the tail end of the bolt is connected with a tensioning assembly, the tension is not well adjusted through the nut; simultaneously, in actual application process, the pulling force between two connection structures often appears and need to be transferred pine or transfer tightly according to the demand, consequently, need improve the structure of bolt, make it can convenient and fast carry out pulling force regulation to can use under different operating modes, effectively improve the practicality of bolt.
Disclosure of Invention
The utility model discloses a fixing bolt with adjustable pulling force, which mainly aims to overcome the defects and the shortcomings in the prior art.
The technical scheme adopted by the utility model is as follows:
the utility model provides a fixing bolt of adjustable pulling force size, includes preceding bolt, back bolt and regulation chamber, the regulation chamber front and back side end is equipped with connects the nut soon, should connect the nut soon and be equipped with the internal thread, preceding bolt rear side with back bolt front side is equipped with first external screw thread and second external screw thread respectively, this second external screw thread with first external screw thread all with the internal thread adaptation connects soon, the regulation intracavity side is hollow structure and the outside is the hexagon shape, preceding bolt with back bolt can be followed the flexible regulation around the regulation chamber.
Further, the first external thread and the second external thread are arranged in opposite directions.
Further, the front end of the front bolt is provided with a tightening hook.
Furthermore, a first limiting block is arranged on the inner side of the adjusting cavity.
Still further, the front bolt rear side end is equipped with the second stopper, this second stopper with be equipped with the extension spring between the first stopper.
Furthermore, the rear end of the rear bolt is provided with a bolt head, an inner hexagonal rotary groove is arranged in the middle of the bolt head, a rotary handle is movably sleeved in the inner hexagonal rotary groove, and the rotary handle is L-shaped.
As can be seen from the above description of the present utility model, the present utility model has the following advantages compared with the prior art:
according to the utility model, the adjusting cavity is arranged between the front bolt and the rear bolt, the external threads at the tail ends of the front bolt and the rear bolt are reversely arranged, and the front bolt and the rear bolt can retract or extend towards the adjusting cavity by rotating the adjusting cavity through the arrangement, so that the tension of the front bolt and the rear bolt can be conveniently adjusted, and the adjustment of the tension of the bolt is realized; then, a telescopic spring is arranged between the second limiting block at the tail end of the front bolt and the first limiting block arranged in the adjusting cavity, the elastic force of the telescopic spring can enable the adjusting cavity to be better loosened, and the adjusting cavity can be prevented from being too tight to exceed the range; finally, the rear bolt can be separated from the adjusting cavity by a spanner or by rotating the handle, so that the whole disassembly of the bolt is realized.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic diagram of a second embodiment of the present utility model.
Fig. 3 is a schematic structural view of the regulating chamber of the present utility model.
Fig. 4 is a schematic top view of the conditioning cavity of the present utility model.
Fig. 5 is a schematic view of the structure of the bolt head of the present utility model.
Detailed Description
Specific embodiments of the present utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, a fixing bolt capable of adjusting the pulling force comprises a front bolt 1, a rear bolt 2 and an adjusting cavity 3, wherein a screwing nut 4 is arranged at the tail end of the front side and the rear side of the adjusting cavity 3, an internal thread 41 is arranged on the screwing nut 4, a first external thread 11 and a second external thread 21 are respectively arranged on the rear side of the front bolt 1 and the front side of the rear bolt 2, the second external thread 21 and the first external thread 11 are in adaptive screwing connection with the internal thread 41, the inner side of the adjusting cavity 3 is of a hollow structure, the outer side of the adjusting cavity 3 is of a hexagonal shape, and the front bolt 1 and the rear bolt 2 can be in telescopic adjustment along the front side and the rear side of the adjusting cavity 3.
Further, the first external thread 11 and the second external thread 21 are disposed in opposite directions.
Further, the front end of the front bolt 1 is provided with a tightening hook 5.
Further, a first limiting block 6 is arranged on the inner side of the adjusting cavity 3.
Further, a second limiting block 7 is arranged at the tail end of the rear side of the front bolt 1, and a telescopic spring 8 is arranged between the second limiting block 7 and the first limiting block 6.
Furthermore, the rear end of the rear bolt 2 is provided with a bolt head 9, an inner hexagonal rotary groove 91 is arranged in the middle of the bolt head 9, the inner hexagonal rotary groove 91 is movably sleeved with a rotary handle 10, and the rotary handle 10 is L-shaped.
Examples (example)
Firstly, the connection mechanism is tensioned through the tensioning hook 5 at the front end of the front bolt 1, then, the outer side of the adjusting cavity 3 is in a hexagonal shape, the adjusting cavity 3 can be rotated through a hexagonal wrench, as the external threads 11 and the second external threads 21 of the front bolt 1 and the rear bolt 2 are reversely arranged, the front bolt 1 and the rear bolt 2 are continuously retracted towards the adjusting cavity 3 through the rotation of the adjusting cavity 3, the tension between the front bolt 1 and the rear bolt 2 is increased, meanwhile, the telescopic spring 8 between the first limiting block 6 and the second limiting block 7 is compressed and stored, when the tension needs to be reduced, the adjusting cavity 3 is reversely rotated, the rebound force of the telescopic spring 8 is helpful to rotate the adjusting cavity 3, and in the adjusting process, the first limiting block 6 and the second limiting block 7 are continuously close to each other, when a certain tension is reached, the telescopic spring 8 is extruded to a certain extent, the adjusting cavity 3 cannot be rotated any more, and excessive adjustment can be avoided, and finally, when the bolt is required to be loosened, the rear bolt 2 can be directly rotated, the rear bolt 2 can also be rotated through rotating the handle 10, so that the rear bolt 2 is separated from the adjusting cavity 3, and the whole disassembly is realized.
As can be seen from the above description of the present utility model, the present utility model has the following advantages compared with the prior art:
according to the utility model, the adjusting cavity is arranged between the front bolt and the rear bolt, the external threads at the tail ends of the front bolt and the rear bolt are reversely arranged, and the front bolt and the rear bolt can retract or extend towards the adjusting cavity by rotating the adjusting cavity through the arrangement, so that the tension of the front bolt and the rear bolt can be conveniently adjusted, and the adjustment of the tension of the bolt is realized; then, a telescopic spring is arranged between the second limiting block at the tail end of the front bolt and the first limiting block arranged in the adjusting cavity, the elastic force of the telescopic spring can enable the adjusting cavity to be better loosened, and the adjusting cavity can be prevented from being too tight to exceed the range; finally, the rear bolt can be separated from the adjusting cavity by a spanner or by rotating the handle, so that the whole disassembly of the bolt is realized.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the design concept of the present utility model is not limited thereto, and any insubstantial modifications made by the present utility model shall fall within the scope of the present utility model.
Claims (6)
1. The utility model provides a fixing bolt of adjustable pulling force size which characterized in that: including preceding bolt, back bolt and regulation chamber, the regulation chamber front and back side end is equipped with connects the nut soon, should connect the nut soon and be equipped with the internal thread, preceding bolt rear side with back bolt front side is equipped with first external screw thread and second external screw thread respectively, this second external screw thread with first external screw thread all with the internal thread adaptation connects soon, the regulation intracavity side is hollow structure and the outside is hexagon shape, preceding bolt with back bolt can be followed the flexible regulation around the regulation chamber.
2. The tension-adjustable fixing bolt according to claim 1, wherein: the first external thread and the second external thread are reversely arranged.
3. The tension-adjustable fixing bolt according to claim 1, wherein: the front end of the front bolt is provided with a tensioning hook.
4. The tension-adjustable fixing bolt according to claim 1, wherein: and a first limiting block is arranged on the inner side of the adjusting cavity.
5. The adjustable tension fixing bolt according to claim 4, wherein: and a second limiting block is arranged at the tail end of the rear side of the front bolt, and a telescopic spring is arranged between the second limiting block and the first limiting block.
6. The tension-adjustable fixing bolt according to claim 1, wherein: the rear end of the rear bolt is provided with a bolt head, an inner hexagonal rotary groove is arranged in the middle of the bolt head, a rotary handle is movably sleeved in the inner hexagonal rotary groove, and the rotary handle is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321272816.0U CN220415952U (en) | 2023-05-24 | 2023-05-24 | Fixing bolt capable of adjusting tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321272816.0U CN220415952U (en) | 2023-05-24 | 2023-05-24 | Fixing bolt capable of adjusting tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220415952U true CN220415952U (en) | 2024-01-30 |
Family
ID=89654106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321272816.0U Active CN220415952U (en) | 2023-05-24 | 2023-05-24 | Fixing bolt capable of adjusting tension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220415952U (en) |
-
2023
- 2023-05-24 CN CN202321272816.0U patent/CN220415952U/en active Active
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