CN219666489U - Small pin puller - Google Patents
Small pin puller Download PDFInfo
- Publication number
- CN219666489U CN219666489U CN202320761605.7U CN202320761605U CN219666489U CN 219666489 U CN219666489 U CN 219666489U CN 202320761605 U CN202320761605 U CN 202320761605U CN 219666489 U CN219666489 U CN 219666489U
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- cylinder body
- cam
- pin
- impact block
- impact
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000003116 impacting effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model discloses a small pin puller, which comprises a cylinder body, a pull rod and a pin head, wherein the cylinder body is arranged at the top end of the pull rod, and the pin head is arranged at the other end of the pull rod; the cylinder body is provided with an inner cavity for arranging an impact assembly, the impact assembly comprises an impact block and a cam, and the impact block repeatedly impacts with the top wall of the cylinder body through the cam; the cam is communicated with a motor arranged on the bottom wall of the cylinder body through a transmission assembly; according to the utility model, the cylinder body is arranged at the top end of the pull rod, the impact block and the cam which are matched with each other are arranged in the cylinder body to repeatedly collide, and then the impact block impacts the whole cylinder body, so that axial tension is further generated on the pull rod, and further the pin can be pulled out.
Description
Technical Field
The utility model relates to the technical field of dismounting tools, in particular to a small pin puller.
Background
The pin puller is a tool which is arranged at the end part of an operating rod and is used for pulling out cotter pins in accessories or hardware fittings, the structure of the existing pin puller is quite simple, the operating rod based on a lever principle is utilized, a pin pulling end is arranged at one end part of the operating rod, the pin pulling end is connected with a pin of mechanical equipment, after the pin is connected with the pin pulling end, a worker hits the other end of the operating rod, the operating rod drives the pin pulling end to stretch and retract, so that the pin installed in the mechanical equipment is pulled out, a certain physical force is needed in the whole pin pulling process, and the time consumption is long.
At present, when the small pin is dismounted and used, the small pin puller is mainly manually operated, and the dismounting is completed by forcefully beating by an operator, so that a certain flying risk exists in the process, and meanwhile, a certain physical force is required, and the service life of the whole pin puller can be shortened by beating.
Disclosure of Invention
In order to solve the problems existing in the prior art, the utility model provides a small pin puller.
The technical scheme of the utility model is as follows:
a small pin puller comprises a cylinder body, a pull rod and a pin head, wherein the cylinder body is arranged at the top end of the pull rod, and the pin head is arranged at the other end of the pull rod; the cylinder body is provided with an inner cavity for arranging an impact assembly, the impact assembly comprises an impact block and a cam, and the impact block repeatedly impacts with the top wall of the cylinder body through the cam; the cam is communicated with a motor arranged on the bottom wall of the cylinder body through a transmission component.
Preferably, the transmission assembly comprises a first rotary rod, one end of the first rotary rod is rotatably arranged on the inner wall of the cylinder body, the other end of the first rotary rod is provided with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is arranged at the end part of the second rotary rod, and the other end of the second rotary rod is connected with the output end of the motor; the cam is sleeved on the first rotating rod.
Preferably, the cam employs symmetrical lobes for repeated impact with the impact block against the top wall of the cylinder.
Preferably, the top wall of the cylinder body is fixedly provided with a limiting plate for limiting the up-and-down movement of the impact block under the action of the cam.
Preferably, the free end of the pin head is provided with a pin slot for connection to a pin to be treated.
The utility model has the following beneficial effects: according to the utility model, the cylinder body is arranged at the top end of the pull rod, the impact block and the cam which are matched with each other are arranged in the cylinder body to repeatedly collide, and then the impact block impacts the whole cylinder body, so that axial tension is further generated on the pull rod, and further the pin can be pulled out.
Drawings
FIG. 1 is a schematic view of the overall structure of a small pin puller according to the present utility model;
FIG. 2 is a side view of the overall construction of a small pin puller of the present utility model;
fig. 3 is a schematic view of a cam structure of a small pin puller according to the present utility model.
The reference numerals in the drawings are as follows:
1. a cylinder; 2. a limiting plate; 3. an impact block; 4. a cam; 5. a first rotating lever; 6. a first bevel gear; 7. a second bevel gear; 8. a second rotating lever; 9. a motor; 10. a pull rod; 11. pin heads, 12, pin slots.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, a small-sized pin puller includes a cylinder 1, a pull rod 10 and a pin head 11, the cylinder 1 is disposed at the top end of the pull rod 10, and the pin head 11 is disposed at the other end of the pull rod 10; the cylinder body 1 is provided with an inner cavity for accommodating an impact assembly, the impact assembly comprises an impact block 3 and a cam 4, and the impact block 3 repeatedly impacts with the top wall of the cylinder body 1 through the cam 4; the cam 4 is communicated with a motor 9 arranged on the bottom wall of the cylinder body 1 through a transmission assembly.
Further, the transmission assembly comprises a first rotary rod 5, one end of the first rotary rod 5 is rotatably arranged on the inner wall of the cylinder body 1, the other end of the first rotary rod is provided with a first bevel gear 6, the first bevel gear 6 is meshed with a second bevel gear 7, the second bevel gear 7 is arranged at the end part of a second rotary rod 8, and the other end of the second rotary rod 8 is connected with the output end of a motor 9; the cam 4 is sleeved on the first rotary rod 5.
Further, the cam 4 employs symmetrical bosses for repeatedly striking the top wall of the cylinder 1 in cooperation with the impact block 3.
Further, a limiting plate 2 is fixedly arranged on the top wall of the cylinder body 1 and used for limiting the up-and-down movement of the impact block 3 under the action of the cam 4.
Further, the free end of the pin head 11 is provided with a pin slot 12 for connection of a pin to be treated.
The working principle of the utility model is as follows:
in the utility model, the two ends of the pull rod 10 are respectively provided with the cylinder body 1 and the pin head 11 with the pin groove 12, the cylinder body 1 is internally provided with a cavity for arranging an impact assembly, and the impact assembly is used for replacing manpower to disassemble the pin, so that the manpower is saved, and the potential safety hazard is reduced; the impact assembly comprises an impact block 3 and a cam 4, wherein the impact block 3 repeatedly impacts with the top wall of the cylinder body 1 through the cam 4; the cam 4 is communicated with the motor 9 arranged on the bottom wall of the cylinder body 1 through the transmission component, symmetrical protruding parts are adopted by the cam 4 and are used for being matched with the impact block 3 to repeatedly collide with the top wall of the cylinder body 1, when the protruding parts of the cam 4 are abutted against the impact block 3, the impact block 3 is jacked up and collides with the top wall of the cylinder body 1, when the non-protruding parts of the cam 4 are abutted against the impact block 3, the impact block 3 is separated from the top wall of the cylinder body 1 and falls back under the action of gravity, and the purpose that the impact block 3 repeatedly collides with the cylinder body 1 can be achieved through the rotation of the cam 4; the transmission assembly comprises a first rotary rod 5, one end of the first rotary rod 5 is rotatably arranged on the inner wall of the cylinder body 1, the other end of the first rotary rod is provided with a first bevel gear 6, the first bevel gear 6 is meshed with a second bevel gear 7, the second bevel gear 7 is arranged at the end part of a second rotary rod 8, and the other end of the second rotary rod 8 is connected with the output end of a motor 9; the cam 4 is sleeved on the first rotary rod 5; when the motor 9 is started, the second rotary rod 8 is driven to start to rotate, the second bevel gear 7 is driven to rotate, and meanwhile the first bevel gear 6 meshed with the second bevel gear starts to move, and the first rotary rod 5 is further driven to rotate. A slot hole is arranged on the inner wall of the cylinder body 1 and is used for movably arranging the free end of the first rotary rod 5, and the cam 4 sleeved on the first rotary rod 5 is driven to rotate along with the rotation of the first rotary rod 5, so that the impact block 3 starts to impact the top wall of the cylinder body 1, and a limiting plate 2 is fixedly arranged on the top wall of the cylinder body 1 and is used for limiting the impact block 3 to move up and down under the action of the cam 4; so that the whole device generates upward force, and the aim of pulling out the pin fixed by the pin groove 12 is achieved under repeated movement.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (5)
1. A small pin puller, characterized in that: the novel hydraulic cylinder comprises a cylinder body (1), a pull rod (10) and a pin head (11), wherein the cylinder body (1) is arranged at the top end of the pull rod (10), and the pin head (11) is arranged at the other end of the pull rod (10); the cylinder body (1) is provided with an inner cavity for accommodating an impact assembly, the impact assembly comprises an impact block (3) and a cam (4), and the impact block (3) repeatedly impacts with the top wall of the cylinder body (1) through the cam (4); the cam (4) is communicated with a motor (9) arranged on the bottom wall of the cylinder body (1) through a transmission assembly.
2. A mini pin puller according to claim 1, characterized in that: the transmission assembly comprises a first rotating rod (5), one end of the first rotating rod (5) is rotatably arranged on the inner wall of the cylinder body (1), a first bevel gear (6) is arranged at the other end of the first rotating rod, the first bevel gear (6) is meshed with a second bevel gear (7), the second bevel gear (7) is arranged at the end part of a second rotating rod (8), and the other end of the second rotating rod (8) is connected with the output end of the motor (9); the cam (4) is sleeved on the first rotating rod (5).
3. A mini pin puller according to claim 1, characterized in that: the cam (4) adopts symmetrical convex parts for repeatedly impacting the top wall of the cylinder body (1) in cooperation with the impact block (3).
4. A mini pin puller according to claim 1, characterized in that: the limiting plate (2) is fixedly arranged on the top wall of the cylinder body (1) and used for limiting the impact block (3) to move up and down under the action of the cam (4).
5. A mini pin puller according to claim 1, characterized in that: the free end of the pin head (11) is provided with a pin groove (12) for connecting a pin to be treated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320761605.7U CN219666489U (en) | 2023-04-07 | 2023-04-07 | Small pin puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320761605.7U CN219666489U (en) | 2023-04-07 | 2023-04-07 | Small pin puller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219666489U true CN219666489U (en) | 2023-09-12 |
Family
ID=87925727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320761605.7U Active CN219666489U (en) | 2023-04-07 | 2023-04-07 | Small pin puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219666489U (en) |
-
2023
- 2023-04-07 CN CN202320761605.7U patent/CN219666489U/en active Active
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