CN222200413U - Double-end screw assembly fixture - Google Patents
Double-end screw assembly fixture Download PDFInfo
- Publication number
- CN222200413U CN222200413U CN202421041204.5U CN202421041204U CN222200413U CN 222200413 U CN222200413 U CN 222200413U CN 202421041204 U CN202421041204 U CN 202421041204U CN 222200413 U CN222200413 U CN 222200413U
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- thread groove
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- screw rod
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a double-end screw assembly tool which comprises a hexagonal prism, wherein a first thread groove is formed in the right side of the hexagonal prism, a second thread groove is formed in the left inner wall of the first thread groove, a third thread groove is formed in the left inner wall of the second thread groove, a fourth thread groove is formed in the left inner wall of the third thread groove, a fifth thread groove is formed in the left inner wall of the fourth thread groove in a penetrating mode, a reverse limiting mechanism comprises a pushing screw rod penetrating through the fifth thread groove, a nut is fixedly connected to the left end of the pushing screw rod, and the right end of the pushing screw rod extends into the fourth thread groove. This assembly fixture is in the in-process of using, and its setting that utilizes a plurality of different thread grooves has improved the adaptability that uses, but the double-end screw rod of multiple different models of adaptation, in addition, utilizes the use of plectane, still can avoid spare part to lose the condition to appear.
Description
Technical Field
The utility model relates to the technical field of screw installation, in particular to a double-head screw assembly fixture.
Background
The existing diesel engine often needs to install the double-end screw rod with threads at both ends during assembly, one end of the double-end screw rod is in threaded connection with a threaded hole of the diesel engine, the existing assembly mode is that a sleeve nut is added at the thread of the free end, the nut and the double-end screw rod are screwed into a whole first, and then the nut is continuously screwed to drive the double-end screw rod to screw and rotate so as to realize threaded connection with the fixed end and the diesel engine. The screw cap and the double-end screw rod can be screwed into a whole, and then the screw cap is screwed with the double-end screw rod with the additional force, so that the screw threads at the screw cap are damaged;
For this reason, the utility model patent with publication number CN211306188U discloses a double-end screw assembly fixture, which is installed at the free end bolt of the double-end screw and is used for screwing the fixed end bolt of the double-end screw into the installation hole of the diesel engine body, and comprises a sleeve nut, wherein a first threaded hole matched with the free end bolt is arranged on one side of the sleeve nut, which faces the double-end screw, a second threaded hole is arranged on one side of the sleeve nut, which is far away from the double-end screw, and is communicated with the first threaded hole and is opposite to the first threaded hole in rotation direction, a screwing block is arranged on one side of the sleeve nut, which is far away from the double-end screw, and a brake bolt extending into the first threaded hole is arranged on the screwing block and is in threaded connection with the second threaded hole. The novel screw bolt screwing machine has the advantages that the novel screw bolt screwing machine is simple in structure and convenient to use, free end bolts of the double-head screw bolt can be prevented from being damaged when the screw bolt screwing machine is screwed, meanwhile, fixed end bolts possibly caused when the screw bolt screwing machine is disassembled are prevented from being unscrewed, and the assembly effect and the assembly efficiency are improved;
However, in practical use, we find that when the tool is used, the practical adaptation is poor only for single type of double-ended screw, and in addition, the situation that the pushing screw rod of the device is completely separated from the fifth thread groove possibly exists, so that the loss of parts is easy to cause, so how to solve the problems is considered.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a double-end screw assembly tool, which utilizes the arrangement of a plurality of different thread grooves in the use process, improves the use adaptability, can adapt to double-end screws of different types, and can avoid the loss of parts by utilizing circular plates.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A double-end screw assembly tool comprises a hexagonal prism, wherein a first thread groove is formed in the right side of the hexagonal prism, a second thread groove is formed in the left inner wall of the first thread groove, a third thread groove is formed in the left inner wall of the second thread groove, a fourth thread groove is formed in the left inner wall of the third thread groove, a fifth thread groove is formed in the left inner wall of the fourth thread groove in a penetrating mode, and a reverse limiting mechanism comprises a pushing screw rod penetrating through the fifth thread groove and fixedly connected with a nut at the left end of the pushing screw rod.
Preferably, the inner diameters of the first thread groove, the second thread groove, the third thread groove and the fourth thread groove are sequentially reduced.
Preferably, the right end of the pushing screw is fixedly connected with a circular plate, and the outer diameter of the circular plate is larger than the inner diameter of the fifth thread groove.
Preferably, the first thread groove, the second thread groove, the third thread groove and the fourth thread groove have the same thread direction.
Preferably, the thread direction of the fifth thread groove is opposite to the first thread groove, the second thread groove, the third thread groove and the fourth thread groove.
Preferably, a rubber pad is fixedly connected to the right side of the circular plate.
Compared with the prior art, the utility model has the beneficial effects that:
In actual operation, the double-end screw rod of different models can be adapted by utilizing the arrangement of the first thread groove, the second thread groove, the third thread groove and the fourth thread groove, so that the overall adaptability is effectively improved, the situation of hard contact can be avoided, the service life of a work shape is prolonged, and in addition, the use of a circular plate can be utilized, and the situation of losing parts can be avoided.
Drawings
FIG. 1 is a schematic structural view of a double-ended screw assembly tooling according to the present utility model;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
fig. 3 is a schematic view of the abutment screw.
In the figure, a hexagonal prism, a 2-pushing screw, a 3-nut, a 4-first thread groove, a 5-second thread groove, a 6-third thread groove, a 7-fourth thread groove, an 8-circular plate, a 9-rubber pad and a 10-fifth thread groove are formed.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, a double-end screw assembly fixture comprises a hexagonal prism 1, wherein a first thread groove 4 is formed in the right side of the hexagonal prism 1, a second thread groove 5 is formed in the left inner wall of the first thread groove 4, a third thread groove 6 is formed in the left inner wall of the second thread groove 5, a fourth thread groove 7 is formed in the left inner wall of the third thread groove 6, a fifth thread groove 10 is formed in the left inner wall of the fourth thread groove 7 in a penetrating manner, and the inner diameters of the first thread groove 4, the second thread groove 5, the third thread groove 6 and the fourth thread groove 7 are sequentially reduced;
The device further comprises a reverse limiting mechanism, wherein the reverse limiting mechanism comprises a propping screw rod 2 penetrating through a fifth thread groove 10, the left end of the propping screw rod 2 is fixedly connected with a nut 3, the right end of the propping screw rod 2 extends into a fourth thread groove 7, the thread directions of the first thread groove 4, the second thread groove 5, the third thread groove 6 and the fourth thread groove 7 are the same, and the thread direction of the fifth thread groove 10 is opposite to that of the first thread groove 4, the second thread groove 5, the third thread groove 6 and the fourth thread groove 7;
Wherein, the right end of the pushing screw 2 is fixedly connected with a circular plate 8, the outer diameter of the circular plate 8 is larger than the inner diameter of a fifth thread groove 10, and the right side of the circular plate 8 is fixedly connected with a rubber pad 9.
In the utility model, when in actual use, the hexagonal prism 1 is firstly inserted on the double-end screw, the double-end screw is enabled to rotate forward, the double-end screw is enabled to be screwed into a corresponding thread groove (one of the first thread groove 4, the second thread groove 5, the third thread groove 6 and the fourth thread groove 7), after being screwed into a part of the corresponding thread groove, the pushing screw 2 is enabled to be screwed into the corresponding thread groove to be abutted against the double-end screw by utilizing the spanner to rotate, then the hexagonal prism 1 is driven to rotate by utilizing the spanner, the other end of the double-end screw can be screwed into the corresponding thread groove, one end of the double-end screw is enabled to be installed, then the pushing screw 2 is twisted forward, and finally the hexagonal prism 1 is twisted reversely, so that the tool can be detached.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
Claims (6)
1. Double-end screw assembly fixture, its characterized in that includes:
The hexagonal prism (1), first screw thread groove (4) has been seted up on the right side of hexagonal prism (1), second screw thread groove (5) has been seted up on the left side inner wall of first screw thread groove (4), third screw thread groove (6) has been seted up on the left side inner wall of second screw thread groove (5), fourth screw thread groove (7) has been seted up on the left side inner wall of third screw thread groove (6), run through on the left side inner wall of fourth screw thread groove (7) and be provided with fifth screw thread groove (10);
The reverse limiting mechanism comprises a propping screw rod (2) penetrating through a fifth thread groove (10), the left end of the propping screw rod (2) is fixedly connected with a nut (3), and the right end of the propping screw rod (2) extends into a fourth thread groove (7).
2. The double-ended screw assembly fixture according to claim 1, wherein the inner diameters of the first thread groove (4), the second thread groove (5), the third thread groove (6) and the fourth thread groove (7) are sequentially reduced.
3. The double-end screw assembly tool according to claim 1, wherein a circular plate (8) is fixedly connected to the right end of the pushing screw (2), and the outer diameter of the circular plate (8) is larger than the inner diameter of the fifth thread groove (10).
4. The double-ended screw assembly fixture according to claim 1, wherein the first thread groove (4), the second thread groove (5), the third thread groove (6) and the fourth thread groove (7) are all identical in thread direction.
5. The double-ended screw assembly fixture according to claim 4, wherein the thread direction of the fifth thread groove (10) is opposite to the first thread groove (4), the second thread groove (5), the third thread groove (6) and the fourth thread groove (7).
6. A double-ended screw assembly tooling according to claim 3, wherein the right side of the circular plate (8) is fixedly connected with a rubber pad (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421041204.5U CN222200413U (en) | 2024-05-14 | 2024-05-14 | Double-end screw assembly fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421041204.5U CN222200413U (en) | 2024-05-14 | 2024-05-14 | Double-end screw assembly fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222200413U true CN222200413U (en) | 2024-12-20 |
Family
ID=93857515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421041204.5U Active CN222200413U (en) | 2024-05-14 | 2024-05-14 | Double-end screw assembly fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222200413U (en) |
-
2024
- 2024-05-14 CN CN202421041204.5U patent/CN222200413U/en active Active
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| GR01 | Patent grant | ||
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