CN220260878U - Punch for removing pins - Google Patents
Punch for removing pins Download PDFInfo
- Publication number
- CN220260878U CN220260878U CN202321777885.7U CN202321777885U CN220260878U CN 220260878 U CN220260878 U CN 220260878U CN 202321777885 U CN202321777885 U CN 202321777885U CN 220260878 U CN220260878 U CN 220260878U
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- Prior art keywords
- punch
- pin
- handle
- hole
- offset
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 238000004080 punching Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 description 3
- 230000003116 impacting effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to a punch for pin removal, belongs to the technical field of punches, and solves the problem that the extension length of a punch pin in a traditional pin removal punch in the prior art cannot be adjusted. The utility model comprises a grab handle, a punching handle and a punch, wherein the grab handle is provided with a grab handle through hole which penetrates through, and the punching handle is arranged in the grab handle through hole in a penetrating way; the punch comprises a shell, a spring and a offset pin, wherein the shell is connected with one end of the grab handle; the offset pin and the spring are both arranged in the shell; one end of the spring is in contact with the shell, the other end of the spring is in contact with the offset pin, and elastic force is applied to the offset pin all the time, so that the offset pin is kept in contact with the offset handle, and the extension length of the offset pin is adjusted by adjusting the length of the offset handle extending into the through hole of the grab handle, so that the offset pin extends out of or retracts into the shell. The utility model realizes the adjustment of the extension length of the offset pin, can impact pins with various lengths or pins with different buries to exit the pin hole without replacing different punches or punches for many times, and improves the working efficiency.
Description
Technical Field
The utility model relates to the technical field of punches, in particular to a punch for pin removal.
Background
During assembly, disassembly, and repair, a punch is typically used to withdraw the pin. At present, the punch of the pin removing pin comprises a punch handle and a punch pin, wherein a deep hole with the length of 10-15 mm is formed in the bottom end of the punch handle, the punch pin is assembled in the deep hole and in interference fit with the deep hole in the punch handle, and the length of the punch pin extending out of the punch handle cannot be adjusted; in the process of withdrawing the pin, the punches with different extension lengths are required to be replaced frequently, so that a plurality of punches with different specifications are required to be carried in the processes of assembly, disassembly and maintenance, and the pin withdrawing efficiency is low.
Disclosure of Invention
In view of the above analysis, the present utility model aims to provide a punch for removing pins, which is used for solving the problem that the extension length of the punch for removing pins in the conventional punch for removing pins in the prior art cannot be adjusted.
The aim of the utility model is mainly realized by the following technical scheme:
a punch for removing pins, comprising a grab handle, a punch handle and a punch head, wherein the punch head is arranged at one end of the grab handle; the grab handle is provided with a grab handle through hole which penetrates through, and the punching handle is arranged in the grab handle through hole in a penetrating way; the punch comprises a shell, a spring and a punch pin, wherein the shell is connected with one end of the grab handle, and the punch pin and the spring are both arranged in the shell; one end of the spring is contacted with the shell, the other end of the spring is contacted with the offset pin, and elastic force is applied to the offset pin all the time, so that the offset pin is kept in contact with the offset handle, and the extension length of the offset pin is adjusted by adjusting the length of the offset handle extending into the through hole of the grab handle.
Further, the grip includes an internally threaded end and an externally threaded end.
Further, the punch handle comprises a ball head and a punch handle column, and the ball head is arranged at one end of the punch handle column.
Further, the diameter of the plunger is smaller than that of the handle through hole, so that the plunger can be inserted into the handle through hole and slide in the handle through hole.
Further, an adjusting thread is arranged on the handle punching column and matched with the inner thread end to adjust the length of the handle punching column extending into the grab handle through hole.
Further, the punch is in threaded connection with the externally threaded end.
Further, the housing is provided with a punch through hole therethrough.
Further, the offset pin is inserted into the punch through hole and can slide in the punch through hole.
Further, the offset has a first cylinder and a second cylinder; the spring is sleeved on the first cylinder for offset.
Further, the plunger stem is further provided with scales for displaying the length of the plunger extending out of the housing.
The technical scheme of the utility model can at least realize one of the following effects:
(1) The utility model discloses a punch for pin removal, which comprises a grab handle, a punch handle and a punch head, wherein the punch head is arranged at one end of the grab handle; the handle is provided with a through handle through hole, and the punching handle is arranged in the handle through hole in a penetrating manner and can adjust the length of the punching handle penetrating into the handle through hole; the punch comprises a shell), a spring and a punch pin, wherein the shell is connected with one end of the grab handle, and the punch pin and the spring are both arranged in the shell; one end of the spring is in contact with the shell, the other end of the spring is in contact with the offset pin, and elastic force is applied to the offset pin all the time, so that the offset pin is kept in contact with the offset handle, the extension length of the offset pin is adjusted by adjusting the length of the offset handle extending into the grab handle through hole, the purpose that pins with different lengths or pins with different buries can be impacted without replacing different punches or punches for multiple times is achieved, and the working efficiency is improved.
(2) The utility model also provides a scale on the punching handle column, and the scale can display the specific length of the punching handle column extending into the grab handle through hole, thereby displaying the specific length of the punching pin extending out of the shell and realizing accurate adjustment of the length of the punching pin extending out of the shell.
In the utility model, the technical schemes can be mutually combined to realize more preferable combination schemes. Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the utility model, like reference numerals being used to refer to like parts throughout the several views.
FIG. 1 is a schematic diagram of a punch according to embodiment 1 of the present utility model;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the structure of the handle according to embodiment 1 of the present utility model;
FIG. 4 is a schematic view showing the structure of a plunger according to embodiment 1 of the present utility model;
fig. 5 is a schematic structural view of the housing of embodiment 1 of the present utility model;
fig. 6 is a schematic structural view of the offset according to embodiment 1 of the present utility model.
Reference numerals:
1-grab handles; 11-a handle through hole; 12-an internally threaded end; 13-an externally threaded end; 2-punching a handle; 21-ball head; 22-a stem punch; 221-adjusting threads; 3-punching heads; 31-a housing; 311-punch through holes; 3111-first through holes; 3112-second through holes; 3113-threaded holes; 32-a spring; 33-offset; 331-a first column; 332-second column; 4-shoulder.
Detailed Description
The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.
Example 1
In one embodiment of the utility model, a punch for removing pins is disclosed, as shown in fig. 1 and 2, and comprises a grab handle 1, a punch handle 2 and a punch head 3, wherein the punch handle 2 and the punch head 3 are both arranged on the grab handle 1; the grab handle 1 is provided with a grab handle through hole 11 penetrating along the axis, and the punch handle 2 is arranged in the grab handle through hole 11 in a penetrating way and can adjust the length of the punch handle penetrating into the grab handle through hole 11; the punch 3 comprises a shell 31, a spring 32 and a punch pin 33, wherein the shell 31 is connected with one end of the grab handle 1, and the punch pin 33 and the spring 32 are arranged in the shell 31; one end of the spring 32 is contacted with the shell 31, the other end is contacted with the offset pin 33, and elastic force is always applied to the offset pin 33, so that the offset pin 33 is kept in contact with the offset handle 2, the length of the offset handle 2 extending into the grab handle through hole 11 is adjusted by screwing the offset handle 2, and the length of the offset pin 33 extending out of the shell 31 is adjusted, and the offset pin 33 is extended or retracted out of the shell 31; compared with the existing punch, the length of the punch pin 33 extending out of the shell 31 can be adjusted in real time according to actual needs, so that pins with different lengths or pins with different buries can be impacted to exit the pin holes without replacing different punches or punches for many times, and the working efficiency is improved; the punch has the advantages of simple structure and convenient use.
Preferably, as shown in fig. 3, the handle 1 is a cylindrical sleeve; one end of the grab handle 1 is provided with internal threads, which are called internal thread ends 12; the other end of the grip 1 is provided with an external thread, called external thread end 13.
Preferably, the punch handle 2 is arranged in the handle through hole 11 of the handle 1 in a penetrating way and is in threaded connection with the internal thread end 12 in the handle 1, and the length of the punch handle 2 extending into the handle through hole 11 can be adjusted by screwing the punch handle 2.
Preferably, as shown in fig. 4, the punch handle 2 is provided with a ball head 21 and a punch handle column 22, the ball head 21 is arranged at one end of the punch handle column 22, and when in use, the punch head 21 can be used for transmitting impact force to the punch head 3 for impacting the pin; the diameter of the punching stem 22 is smaller than that of the grab handle through hole 11, the punching stem 22 can be inserted into the grab handle through hole 11 in the grab handle 1 and can be in clearance fit with the grab handle through hole 11, and the punching stem 22 can slide in the grab handle through hole 11; an adjusting thread 221 is arranged at one end of the plunger 22, which is close to the ball head 21, the adjusting thread 221 is matched with the thread of the internal thread end 12 in the grab handle 1, and the length of the plunger 22 extending into the grab handle through hole 11 can be adjusted by screwing the plunger 2.
Preferably, the punch 3 is screwed with the external thread end 13 of the grab handle 1, so that the punch 3 can be quickly disassembled.
Preferably, as shown in fig. 5, the housing 31 is a cylindrical sleeve having a tapered end, a punch through hole 311 is provided along an axis thereof, the punch through hole 311 includes a first through hole 3111, a second through hole 3112 and a threaded hole 3113 sequentially provided, and the first through hole 3111 is located at the tapered end of the housing 31; the diameter of the first through hole 3111 is smaller than the diameter of the second through hole 3112, and the diameter of the second through hole 3112 is smaller than the diameter of the threaded hole 3113; the junction of the first through hole 3111 and the second through hole 3112 forms a shoulder 4; the diameter of the second through hole 3112 is equal to that of the grab handle through hole 11 in the grab handle 1, so that the punch stem 22 can be inserted into the second through hole 3112 and is in clearance fit with the second through hole 3112, and the punch stem 22 can slide in the second through hole 3112; the threaded bore 3113 is threadedly coupled to the externally threaded end 13 of the grip 1, thereby threadedly coupling the housing 31 to the grip 1.
Preferably, the punch pin 33 is inserted into the punch through hole 311 and is in clearance fit with the punch through hole 311, so that the punch pin 33 slides in the punch through hole 311 to extend or retract the punch pin 33 into the housing 31.
Preferably, as shown in fig. 6, the offset pin 33 has a first cylinder 331 and a second cylinder 332, and the diameter of the first cylinder 331 is smaller than that of the second cylinder 332; the second post 332 is inserted into the second through hole 3112 of the housing 31, and is in clearance fit with the second through hole 3112, so that the second post 332 can slide in the second through hole 3112; the first column 331 is inserted into the first through hole 3111 and is in clearance fit with the first through hole 3111, so that the first column 331 can slide in the first through hole 3111.
Preferably, the spring 32 is sleeved on the first cylinder 331 of the offset pin 33; one end of the spring 32 is connected with the shoulder 4, the other end of the spring 32 is connected with the second post 332, the spring 32 always applies elastic force to the punch pin 33, and the second post 332 and the punch stem 22 can always keep in contact, so that the punch pin 33 can adjust the length of the punch pin 33 extending out of the shell 31 and extend or retract into the shell 31 along with the length of the punch stem 22 extending into the grab handle through hole 11; while also allowing the offset pin 33 to receive the impact force transmitted by the plunger 22 for impacting the pin.
Example 2
The present embodiment is modified on the basis of embodiment 1, and a scale is provided on the end of the plunger 22 near the ball head 21 along the axial direction of the plunger 22, the scale being used for displaying the specific length of the plunger 22 extending into the handle through hole 11, thereby displaying the specific length of the punch 33 extending out of the housing 31, and realizing accurate adjustment of the length of the punch 33 extending out of the housing 31.
When in implementation
Screwing the punch handle 2 to adjust the punch pin 33 to extend out of the shell 31 for a certain length, inserting the punch pin 33 into the pin hole, knocking the ball head 21, and withdrawing the pin from the pin hole; the punch handle 2 can also be screwed in real time during the process of withdrawing the pin from the pin hole to adjust the extension of the punch 33 to a proper length.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. A punch for pin removal, characterized by comprising a grab handle (1), a punch handle (2) and a punch head (3), wherein the punch head (3) is arranged at one end of the grab handle (1); the grab handle (1) is provided with a grab handle through hole (11) which penetrates through, and the punch handle (2) is arranged in the grab handle through hole (11) in a penetrating mode; the punch (3) comprises a shell (31), a spring (32) and a offset pin (33), wherein the shell (31) is connected with one end of the grab handle (1), and the offset pin (33) and the spring (32) are both arranged in the shell (31); one end of the spring (32) is contacted with the shell (31), the other end of the spring is contacted with the offset pin (33), and the spring force is always applied to the offset pin (33) to enable the offset pin (33) to keep contact with the offset handle (2), and the extension length of the offset pin (33) is adjusted by adjusting the extension length of the offset handle (2) into the grab handle through hole (11).
2. A punch for pin removal according to claim 1, characterized in that the grip (1) comprises an internally threaded end (12) and an externally threaded end (13).
3. A punch for pin removal according to claim 2, characterized in that the punch shank (2) comprises a ball head (21) and a punch shank (22), the ball head (21) being arranged at one end of the punch shank (22).
4. A punch for removing pins according to claim 3, characterized in that the diameter of the punch stem (22) is smaller than the diameter of the grip through hole (11), enabling the punch stem (22) to be inserted into the grip through hole (11) and the punch stem (22) to slide within the grip through hole (11).
5. A punch for removing pins according to claim 4, characterized in that the punch stem (22) is provided with an adjusting screw thread (221), the adjusting screw thread (221) being co-operable with the internally threaded end (12) for adjusting the length of the punch stem (22) extending into the handle through hole (11).
6. A punch for pin removal according to claim 5, characterised in that the punch (3) is screwed with an externally threaded end (13).
7. A punch for removing pins according to claim 6, characterized in that the housing (31) is provided with a punch through hole (311) therethrough.
8. A punch for removing pins according to claim 7, characterized in that the punch pin (33) is arranged to pass through the punch through hole (311) and is slidable in the punch through hole (311).
9. A punch for pin removal according to claim 8, characterized in that the punch pin (33) has a first cylinder (331) and a second cylinder (332); the spring (32) is sleeved on the first column body (331) of the offset pin (33).
10. A punch for removing pins according to claim 9, characterized in that the punch stem (22) is further provided with graduations for indicating the length of the punch pin (33) extending out of the housing (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321777885.7U CN220260878U (en) | 2023-07-07 | 2023-07-07 | Punch for removing pins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321777885.7U CN220260878U (en) | 2023-07-07 | 2023-07-07 | Punch for removing pins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220260878U true CN220260878U (en) | 2023-12-29 |
Family
ID=89316486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321777885.7U Active CN220260878U (en) | 2023-07-07 | 2023-07-07 | Punch for removing pins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220260878U (en) |
-
2023
- 2023-07-07 CN CN202321777885.7U patent/CN220260878U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |