CN219967831U - Positioning pin dismounting tool - Google Patents
Positioning pin dismounting tool Download PDFInfo
- Publication number
- CN219967831U CN219967831U CN202320232376.XU CN202320232376U CN219967831U CN 219967831 U CN219967831 U CN 219967831U CN 202320232376 U CN202320232376 U CN 202320232376U CN 219967831 U CN219967831 U CN 219967831U
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- sliding block
- handle
- guide rod
- threads
- auxiliary handle
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- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a locating pin dismounting tool which comprises a handle, a guide rod, a sliding block, an auxiliary handle, a protective nut and a pulling head. The handle is fixed in the one end of guide arm, and the sliding block assembly can be followed guide arm axial slip and install the auxiliary handle of being convenient for operation on the sliding block, and protection nut installs on the guide arm, pulls out first one end and installs in the guide arm top through the screw thread, and the other end is located the locating pin. The positioning pin is driven to move by the instant impact force according to the principle that the impact force is generated when the sliding block impacts the handle. The sliding block can impact the protection nut to realize the assembly and pre-tightening of the positioning pins. The utility model has the advantages of simple structure, light weight, convenience, stability, reliability, high universality, effective protection of parts, no damage to the parts, simple processing and manufacturing, and low use and maintenance cost, and most parts can be directly processed and modified by adopting standard parts or simply processed and manufactured by the standard parts.
Description
Technical Field
The utility model relates to a universal disassembling tool, in particular to a positioning pin disassembling tool which is simple in structure, convenient to manufacture, high in universality and high in practicability.
Background
Among the components related to mutual assembly and positioning in the general mechanical structural design, the positioning pin is generally positioned in a connecting mode, and is widely used due to the advantages of the positioning pin in terms of structure and use, but the positioning pin is generally matched with the components in an excessive or interference fit mode, so that the problem of difficult disassembly or overlong disassembly time exists in the disassembly and assembly process. And a large number of positioning pins with different specifications are required to be installed and disassembled in the process of assembling and overhauling equipment with different specifications. Therefore, a tool with convenient use, simple manufacture and high universality is needed in specific operation.
Disclosure of Invention
The utility model aims to solve the problems, and the main purpose of the utility model is to provide a positioning pin dismounting tool which is convenient to use, simple to manufacture, high in universality, efficient and quick to use and capable of effectively protecting parts.
The utility model solves the technical problems by the following scheme: the utility model provides a locating pin assembly and disassembly tool, the locating pin assembly and disassembly tool includes handle, guide arm, sliding block, protection device, pull out the head;
the handle is fixed in the one end of guide arm, and the sliding block assembly just can follow guide arm axial slip on the guide arm, and protection device installs on the guide arm, and protection device is located between sliding block and the pull head, and the one end of pull head is installed in the one end that the guide arm kept away from the handle, and the other end is connected with the locating pin, dismantles the locating pin that needs to dismantle.
In a specific embodiment of the present utility model, the positioning pin dismounting tool further includes an auxiliary handle, and the auxiliary handle is fixed on the sliding block.
In a specific embodiment of the present utility model, the protecting device is a protecting nut.
In the concrete implementation example of the utility model, one end of the pulling head is arranged at one end of the guide rod through threads; the handle is fixed together with the guide rod through threads, and the diameter range of the sliding block at the contact part of the handle and the sliding block is as follows: the outer surface of the handle is processed with knurling with skidproof reticulation at 40-60 mm.
In the concrete implementation example of the utility model, threads are processed at both ends of the guide rod, one end is processed with external threads connected with the handle, and the other end is processed with external threads connected with the installation protection nut and internal threads connected with the pulling head.
In a specific embodiment of the present utility model, the guide rod diameter ranges are: 15-25mm, length range: 400-800mm.
In a specific embodiment of the utility model, the sliding block is provided with a threaded hole for installing an auxiliary handle, and the diameter range of the contact part of the auxiliary handle and the sliding block is as follows: and 50-70mm, and the outer surfaces of the sliding block and the auxiliary handle are respectively provided with knurling patterns for skid resistance.
In an embodiment of the present utility model, the auxiliary handle is connected to the slider by a screw, and the auxiliary handle has a diameter of about 15-25mm and a length of about 100-200mm.
In a specific embodiment of the utility model, the protective nut comprises a hexagonal flange face nut, the size of the flange ranges from 30 mm to 50mm, and the protective nut is connected with the guide rod through threads.
In the concrete implementation example of the utility model, one end of the pulling head is arranged at one end of the guide rod through threads, and the other end of the pulling head is connected with the positioning pin to be disassembled through internal threads or external threads.
The utility model has the positive progress effects that: according to the locating pin dismounting tool provided by the utility model, the locating pin is driven to move by the instantaneous impact force according to the principle that the sliding block impacts the handle to generate the impact force. The device is convenient to use, simple to manufacture, high in universality, efficient and quick to use, stable and reliable, parts can be effectively protected, and most parts can be directly finished by adopting standard parts or simply processing and remanufacturing the standard parts, so that the device is low in use and maintenance cost.
Drawings
Fig. 1 is a schematic diagram of the overall structure (one of the states) of the present utility model.
FIG. 2 is a schematic diagram of the whole structure (state two) of the present utility model.
Fig. 3 is one of specific structural diagrams of a in fig. 1.
Fig. 4 is a second specific structural diagram of a in fig. 1.
The following are names corresponding to the reference numerals in the present utility model:
handle 1, guide arm 2, sliding block 3, auxiliary handle 4, protection nut 5, pull head 6, locating pin 7.
Detailed Description
The following description of the preferred embodiments of the present utility model is given with reference to the accompanying drawings, so as to explain the technical scheme of the present utility model in detail.
Fig. 1 is a schematic diagram of the overall structure of the present utility model (one of the states), and fig. 2 is a schematic diagram of the overall structure of the present utility model (the second state), as shown in fig. 1 and 2: the utility model provides a locating pin dismounting tool which comprises a handle 1, a guide rod 2, a sliding block 3, an auxiliary handle 4, a protection device (a protection nut 5 is used in the utility model) and a pulling head 6. The handle 1 is fixed at one end of the guide rod 2 through threads, the sliding block 3 is assembled on the guide rod and can axially slide along the guide rod 2, the auxiliary handle 4 is fixed on the sliding block 3, the protective nut 5 is connected with the guide rod 2 through threads, one end of the pulling head 6 is installed on the guide rod through threads, and the other end of the pulling head is in threaded connection with the positioning pin 7 which needs to be detached. In fig. 1 and 2, the slider 3 in fig. 2 is slid axially over the guide rod 2 by a distance.
According to the utility model, the positioning pin is driven to move by the instantaneous impact force according to the principle that the impact force is generated when the sliding block impacts the handle. The sliding block can impact the protective nut to realize the assembly and pre-tightening of the positioning pin.
The auxiliary handle 4 is arranged on the sliding block 3, and the auxiliary handle 4 is mainly used for being matched with the sliding block 3 in occasions with limited space and inconvenient operation, and can be used or not according to actual requirements.
The handle 1 is fixed with the guide rod 2 through threads, and the diameter range of the contact part of the handle 1 and the sliding block 3 is as follows: 40-60mm, and the outer surface of the handle is provided with knurling with anti-skid reticulation.
Threads are machined at two ends of the guide rod 2, an external thread connected with the handle 1 is machined at one end, and an external thread connected with the installation protection nut and an external thread connected with the pulling head are machined at the other end. The diameter range of the guide rod is as follows: 15-25mm, length range: 400-800mm.
The sliding block is provided with a threaded hole for installing an auxiliary handle, the diameter of the contact part of the handle and the sliding block is about 60mm, and the handheld outer surface of the sliding block is provided with knurling with anti-skidding reticulation.
In the specific embodiment, the handle 1 is provided with a blind hole internal thread connected with the guide rod 2. Both ends of the guide rod 2 are provided with threads, one end of the guide rod is provided with external threads connected with the handle 1, and the other end of the guide rod is provided with external threads connected with the protecting nut 5 and blind hole internal threads connected with the pulling head 6. The sliding block 3 is provided with a blind hole internal thread connected with the auxiliary handle 4. The auxiliary handle 4 is provided with external threads connected with the sliding block 3. The pulling head 6 is provided with an external thread connected with the guide rod 2 at one end, a thread connected with the positioning pin 7 at the other end and a hexagonal screw head which is convenient for the installation and the disassembly of the pulling head 6 at the upper end.
In a specific embodiment, the protection nut 5 is a hexagonal flange face nut, and the size of the flange ranges from 30 mm to 50mm. The outer surfaces of the handle 1, the sliding block 3 and the auxiliary handle are provided with knurling with anti-skid reticulate patterns.
The sliding block 3 is provided with a threaded hole for installing the auxiliary handle 4, and the diameter range of the contact part of the auxiliary handle 4 and the sliding block 3 is as follows: the outer surfaces of the sliding block 3 and the auxiliary handle 4 are respectively provided with knurling lines for skid resistance, 50-70 mm.
The auxiliary handle 4 is connected with the sliding block 3 through threads, and the diameter of the auxiliary handle is about 15-25mm, and the length of the auxiliary handle is about 100-200mm.
One end of the pulling head 6 is arranged at one end of the guide rod through threads, and the other end of the pulling head is connected with a positioning pin to be detached through internal threads or external threads.
The following is a specific implementation example: the handle 1 is connected with a part 2 guide rod through threads. The outer diameter of the handle 1 is about 50mm, the main function of the handle is to provide a stress acting surface and a limiting function for the sliding block 3, the handle 1 is integrally formed by processing stainless steel, and the outer surface of the handle is processed with knurling with anti-skid reticulate patterns so as to prevent slipping when the handle is held by the operator, and the handle is simple and convenient in design and strong in practicability. One end of the guide rod 2 is connected with the handle 1 through threads, the outer side of the other end is connected with the protecting nut 5 through threads, and the inner side of the guide rod is connected with the pulling head 6 through threads.
The sliding block 3 is mounted on the guide rod 2 and can move freely along the axial direction of the guide rod 2. The sliding block 3 mainly acts to provide impact force, the diameter of the sliding block in contact with the handle 2 is about 60mm, the size of the sliding block is larger than the outer diameter of the handle 2, so that hands are protected from being damaged during impact, the sliding block 3 is integrally formed by stainless steel, threaded holes for installing auxiliary handles are formed in the sliding block, and anti-skid reticulate knurling is formed in the handheld outer surface of the sliding block.
The auxiliary handle 4 is integrally formed by stainless steel, the diameter is about 20mm, the length is about 150mm, the auxiliary handle 4 can be replaced by bolts and other tools with the same specification, and the outer surface of the sliding block in a handheld manner is provided with knurling patterns for preventing sliding, so that the processing and the manufacturing are simple and convenient.
The protecting nut 5 is a hexagonal flange face nut, the flange size is about 40mm, and the protecting nut is connected with the guide rod 2 through threads. The protection nut 5 mainly serves to prevent the sliding block 3 from falling off and damaging an operator and parts, and provides a force-bearing surface for the sliding block 3 during assembly operation. The protective nut 5 can be integrally formed by stainless steel, related standard components can be directly adopted, and the integral processing is simple and convenient, and the cost is low.
Fig. 3 is a schematic diagram of a connection between a pin head and an internally threaded cylindrical pin, which is one of the specific structural diagrams of a in fig. 1. Fig. 4 is a second specific structural diagram of a in fig. 1, specifically, a connection schematic diagram of the pin head and the external thread cylindrical pin. As shown in fig. 3 and 4: the pulling head 6 is a main acting component of the utility model, one end of the pulling head 6 is arranged at the top end of the guide rod 2 through threads, the other end of the pulling head 6 is connected with the positioning pin 7 which needs to be disassembled, the connecting thread size of the pulling head 6 and the guide rod 2 is about M12, the connecting size of the pulling head and the positioning pin 7 which needs to be disassembled can be formed by combining and welding related standard components according to the serial configuration of different standard threads, the whole processing is simple and convenient, the cost is low, almost all the common positioning pins 7 can be covered according to the threads (metric system, english system) of different specifications, and the tool can be suitable for disassembling and assembling other equipment such as cotter pins. And a hexagonal screw head is processed at the upper end thereof for convenient installation and disassembly. The processing is simple, the cost is low, and the degree of serialization is high.
According to the utility model, the positioning pin is driven to move by the instantaneous impact force based on the principle that the sliding block impacts the handle to generate the impact force. The locating pin dismounting tool is simple in structure, light, convenient, stable and reliable, greatly improves the working efficiency, reduces the labor intensity of workers, can effectively protect parts, has high universality, can directly adopt standard parts or finish the standard parts by simply processing and remanufacturing the standard parts, has lower use and maintenance cost, is simple and convenient to process and manufacture, can be expanded and has high use degree, and the application range is not limited to occasions of locating pin related products, but also applicable to other occasions and equipment related to the action principle.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and that various changes and modifications may be effected therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.
Claims (10)
1. A locating pin assembly and disassembly tools, its characterized in that: the locating pin dismounting tool comprises a handle, a guide rod, a sliding block, a protection device and a pulling head;
the handle is fixed in the one end of guide arm, and the sliding block assembly just can follow guide arm axial slip on the guide arm, and protection device installs on the guide arm, and protection device is located between sliding block and the pull head, and the one end of pull head is installed in the one end that the guide arm kept away from the handle, and the other end is connected with the locating pin, dismantles the locating pin that needs to dismantle.
2. The dowel assembly and disassembly tool of claim 1, wherein: the locating pin extracting tool still includes auxiliary handle, and auxiliary handle is fixed on the sliding block.
3. The dowel assembly and disassembly tool according to claim 1 or 2, wherein: the protection device is a protection nut.
4. The dowel assembly and disassembly tool of claim 1, wherein: one end of the pulling head is arranged at one end of the guide rod through threads; the handle is fixed together with the guide rod through threads, and the diameter range of the sliding block at the contact part of the handle and the sliding block is as follows: the outer surface of the handle is processed with knurling with skidproof reticulation at 40-60 mm.
5. The dowel assembly and disassembly tool of claim 1, wherein: threads are machined at two ends of the guide rod, an external thread connected with the handle is machined at one end of the guide rod, and an external thread connected with the installation protection nut and an internal thread connected with the pulling head are machined at the other end of the guide rod.
6. A dowel assembly and disassembly tool according to claim 3, wherein: the diameter range of the guide rod is as follows: 15-25mm, length range: 400-800mm.
7. The dowel assembly and disassembly tool of claim 1, wherein: the sliding block is provided with a threaded hole for installing an auxiliary handle, and the diameter range of the contact part of the auxiliary handle and the sliding block is as follows: and 50-70mm, and the outer surfaces of the sliding block and the auxiliary handle are respectively provided with knurling patterns for skid resistance.
8. The dowel assembly and disassembly tool of claim 1, wherein: the auxiliary handle is connected with the sliding block through threads, the diameter of the auxiliary handle is 15-25mm, and the length of the auxiliary handle is 100-200mm.
9. A dowel assembly and disassembly tool according to claim 3, wherein: the protective nut comprises a hexagonal flange face nut, the size range of the flange is 30-50mm, and the protective nut is connected with the guide rod through threads.
10. The dowel assembly and disassembly tool of claim 1, wherein: one end of the pulling head is arranged at one end of the guide rod through threads, and the other end of the pulling head is connected with a positioning pin to be detached through internal threads or external threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320232376.XU CN219967831U (en) | 2023-02-16 | 2023-02-16 | Positioning pin dismounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320232376.XU CN219967831U (en) | 2023-02-16 | 2023-02-16 | Positioning pin dismounting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219967831U true CN219967831U (en) | 2023-11-07 |
Family
ID=88593581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320232376.XU Active CN219967831U (en) | 2023-02-16 | 2023-02-16 | Positioning pin dismounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219967831U (en) |
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2023
- 2023-02-16 CN CN202320232376.XU patent/CN219967831U/en active Active
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| GR01 | Patent grant |