CN218428127U - Pin puller - Google Patents
Pin puller Download PDFInfo
- Publication number
- CN218428127U CN218428127U CN202222672592.4U CN202222672592U CN218428127U CN 218428127 U CN218428127 U CN 218428127U CN 202222672592 U CN202222672592 U CN 202222672592U CN 218428127 U CN218428127 U CN 218428127U
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- connecting rod
- pin
- groove
- rod
- screw rod
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Abstract
The utility model discloses a pin puller relates to pin puller technical field, including installing at the second connecting rod on head rod surface, installing at the baffle on head rod and second connecting rod surface, setting up the slide hammer on head rod and second connecting rod surface. The utility model discloses in, through rotating the lid, can make the installation piece drive the pull pin screw rod of different specifications and rotate, can rotate the one side that leads to the groove with appointed pull pin screw rod, through the effect of spring, can make the movable plate promote the pull pin screw rod and remove the outside of mounting panel through leading to the groove, be convenient for adjust required pull pin screw rod according to the locating pin of difference and use, need not to carry out screw thread installation and dismantlement to pull pin screw rod, prevent frequent installation and dismantlement, lead to its screw thread to appear damaging, influence its subsequent normal use, through the rotation of second connecting rod at the head rod, can make it remove, can adjust the length of connecting rod according to the size in actual operating space.
Description
Technical Field
The utility model belongs to the technical field of the pin puller, specifically be a pin puller.
Background
In various mechanical equipment, in order to ensure the requirements of concentricity, flatness, parallelism, roundness and the like required by the mutual connection and matching of parts of the equipment, a positioning pin is often inserted between the parts in advance, at present, the positioning pin has a cylindrical shape and a conical shape, is driven into a positioning pin hole with certain interference force, and in order to conveniently pull out the positioning pin in later equipment maintenance and overhaul, the head of the positioning pin is usually provided with an internal thread hole or an external thread screw head (namely equivalent to a screw rod), the positioning pin is pulled out from the positioning hole by a pin puller when in need, the pin puller is a tool which is arranged at the end part of an operating rod, is used for pulling out a split pin in an accessory or a hardware fitting, is a special tool for pulling out the positioning pin, and can pull out cylindrical pins or conical pins with various specifications.
The existing pin puller (as shown in the attached drawing fig. 4 in the specification) is characterized in that a pin puller insert is directly installed on a polished rod in a threaded connection mode, the bottom end of the pin puller is in threaded connection with the inside of a positioning pin, a ram is pulled to move upwards, the positioning pin is taken out of equipment through upward impact force, due to the fact that the specifications of the positioning pin are various, when different positioning pins need to be taken out, the corresponding pin puller insert needs to be replaced to be taken out, the pin puller insert is frequently installed in a threaded mode or detached, threads are prone to being damaged, and therefore subsequent normal use of the pin puller is affected.
Disclosure of Invention
The utility model aims at solving the above mentioned problems and providing a pin puller.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a pin puller comprises a second connecting rod arranged on the surface of a first connecting rod, a baffle arranged on the surfaces of the first connecting rod and the second connecting rod, and a sliding hammer arranged on the surfaces of the first connecting rod and the second connecting rod;
the bottom end of the first connecting rod is provided with a mounting plate, the bottom end of the mounting plate is provided with a through groove, the surface of the mounting plate is rotatably connected with a cover body, and the surface of the cover body is at least provided with four connecting grooves;
one side of lid is connected with the installation piece, and four mounting grooves have been seted up on the surface of installation piece at least, the inside of mounting groove is provided with the spring, and one side of spring is connected with the movable plate, one side of movable plate is connected with the fixture block, and one side of movable plate is connected with the pulling pin screw rod, one side of pulling pin screw rod is connected with the draw-in groove.
As a further description of the above technical solution:
and the second connecting rod is in threaded connection with the inside of the first connecting rod.
As a further description of the above technical solution:
the pin pulling screw rod is movably connected with the inside of the through groove, and the moving plate is in sliding connection with the inner wall of the mounting groove.
As a further description of the above technical solution:
the clamping block is connected with the inside of the clamping groove in a clamping mode.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses in, through rotating the lid, can make the installation piece drive the pull pin screw rod of different specifications and rotate, can rotate the one side that leads to the groove with appointed pull pin screw rod, through the effect of spring, can make the movable plate promote the pull pin screw rod and remove the outside of mounting panel through leading to the groove, be convenient for adjust required pull pin screw rod according to the locating pin of difference and use, need not to carry out screw thread installation and dismantlement to pull pin screw rod, prevent frequent installation and dismantlement, lead to its screw thread to appear damaging, influence its subsequent normal use, through the rotation of second connecting rod at the head rod, can make it remove, can adjust the length of connecting rod according to the size in actual operating space.
Drawings
FIG. 1 is a schematic structural view of a pin puller according to the present invention;
FIG. 2 is a schematic view of the structure of the inner part of the middle mounting plate of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is a schematic structural view of a conventional pin puller.
Illustration of the drawings:
1. a first connecting rod; 2. a second connecting rod; 3. a baffle plate; 4. a sliding hammer; 5. mounting a plate; 6. a through groove; 7. a cover body; 8. connecting grooves; 9. mounting blocks; 10. mounting grooves; 11. a spring; 12. moving the plate; 13. a clamping block; 14. pulling a pin screw; 15. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
As shown in fig. 4, it is a structure diagram of an existing pin puller, and when it is used, the pin puller insert is firstly connected with the polish rod by screw threads, and the pin puller insert is connected with the positioning pin, and finally the striker continuously moves upward to impact the limiting plate, so as to form an upward acting force to pull out the positioning pin from the inside of the device, and when different positioning pins are required to be pulled out, the corresponding pin puller insert needs to be replaced to perform pulling-out operation; as shown in fig. 1-3, a pin puller comprises a second connecting rod 2 mounted on the surface of a first connecting rod 1, a baffle 3 mounted on the surfaces of the first connecting rod 1 and the second connecting rod 2, and a sliding hammer 4 arranged on the surfaces of the first connecting rod 1 and the second connecting rod 2;
the bottom end of the first connecting rod 1 is provided with a mounting plate 5, the bottom end of the mounting plate 5 is provided with a through groove 6, the surface of the mounting plate 5 is rotatably connected with a cover body 7, and the surface of the cover body 7 is at least provided with four connecting grooves 8;
one side of lid 7 is connected with installation piece 9, and four mounting grooves 10 have been seted up on the surface of installation piece 9 at least, the inside of mounting groove 10 is provided with spring 11, and one side of spring 11 is connected with movable plate 12, one side of movable plate 12 is connected with fixture block 13, and one side of movable plate 12 is connected with pull pin screw 14, one side of pull pin screw 14 is connected with draw-in groove 15, there is the bull stick inside of mounting panel 5 through the axis of rotation connection, the bull stick is located the center department of installation piece 9, the bull stick passes lid 7 and is connected with the turning handle, through the rotation of turning handle, can make lid 7 drive installation piece 9 and its inside pull pin screw 14 rotate, be convenient for remove appointed pull pin screw 14 to one side that leads to groove 6, be convenient for extrude it through spring 11, the movable plate 12 be swing joint with the inside of spread groove 8 between the inside, when needing to remove pull pin screw 14 to the inside of mounting groove 10, accessible spread groove 8 pulls pin screw 14, can make pull pin screw 14 remove the inside of mounting panel 10, and can have the standard to connect the top of the connecting rod 14, thereby the regulation screw rod is convenient for the top of mounting panel 5, thereby the top of the type of the installation of the connecting pin screw rod 5 is dismantled.
Furthermore, the second connecting rod 2 is in threaded connection with the inside of the first connecting rod 1, the second connecting rod 2 can move out of the inside of the first connecting rod 1 when rotating, the length between the two connecting rods can be conveniently adjusted according to the size of an operation space, and the sliding hammer 4 is movably connected with the surface of the sliding hammer.
Furthermore, the pin pulling screw 14 is movably connected with the inside of the through groove 6, the moving plate 12 is slidably connected with the inner wall of the mounting groove 10, and the through groove 6 is convenient for moving the pin pulling screw 14 with different specifications to the outside of the mounting plate 5, so that the pin pulling is convenient, and the moving plate 12 is slidably connected with the inner wall of the mounting groove 10 through the sliding block and the sliding groove.
Further, be connected for the block between the inside of fixture block 13 and draw-in groove 15, fixture block 13 is convenient for change the pull pin screw 14 with draw-in groove 15, lid 7 can be dismantled on the surface of mounting panel 5, the shifting chute has been seted up on the surface of mounting panel 5, and be connected with the connecting plate on the lid 7, and can dismantle between connecting plate and the shifting chute, the top of pull pin screw 14 is connected with the connecting block, draw-in groove 15 is connected with the connecting block, spring 11 is in the outside of removing pull pin screw 14 to mounting panel 5 through logical groove 6, the connecting block on the pull pin screw 14 contacts with the inner wall of mounting panel 5, and when pulling out the pin, it is atress to pull pin screw 14, mounting panel 5 and connecting rod etc..
The working principle is as follows: when the device is used, firstly, the number of the pin pulling screws 14 is selected according to the specification of a positioning pin to be pulled out, the rotating handle can be rotated according to the mark on the cover body 7, the cover body 7 can drive the installation block 9 and the type of the pin pulling screws 14 in the installation block to rotate, the pin pulling screws 14 corresponding to the mark can be rotated to one side of the through groove 6, the movable plate 12 can push the pin pulling screws 14 to move under the action of the spring 11, the pin pulling screws 14 can be pushed to the outside of the installation plate 5 through the through groove 6, the pin pulling screws 14 and the positioning pins are connected, the sliding hammer 4 moves upwards and impacts the baffle plate 3 to form an upward force to pull out the positioning pin from the inside of the device, when the pin pulling screws 14 of different specifications need to be adjusted, the pin pulling screws 12 can move in the connecting groove 8, the pin pulling screws 14 exposed outside are moved to the inside of the installation groove 10, the pin pulling screws 14 of the required specification can be adjusted to one side of the through groove 6, and the pin pulling screws 14 of different specifications can be adjusted according to the actual use condition.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (4)
1. A pin puller comprises a second connecting rod (2) arranged on the surface of a first connecting rod (1), a baffle (3) arranged on the surfaces of the first connecting rod (1) and the second connecting rod (2), and a sliding hammer (4) arranged on the surfaces of the first connecting rod (1) and the second connecting rod (2), and is characterized in that;
the bottom end of the first connecting rod (1) is provided with a mounting plate (5), the bottom end of the mounting plate (5) is provided with a through groove (6), the surface of the mounting plate (5) is rotatably connected with a cover body (7), and the surface of the cover body (7) is at least provided with four connecting grooves (8);
one side of lid (7) is connected with installation piece (9), and has seted up four mounting grooves (10) on the surface of installation piece (9) at least, the inside of mounting groove (10) is provided with spring (11), and one side of spring (11) is connected with movable plate (12), one side of movable plate (12) is connected with fixture block (13), and one side of movable plate (12) is connected with pulls out round pin screw rod (14), one side of pulling out round pin screw rod (14) is connected with draw-in groove (15).
2. A pin puller as set forth in claim 1, wherein: the second connecting rod (2) is in threaded connection with the inside of the first connecting rod (1).
3. A pin puller as set forth in claim 1, wherein: the pin pulling screw (14) is movably connected with the inside of the through groove (6), and the moving plate (12) is in sliding connection with the inner wall of the mounting groove (10).
4. A pin puller as set forth in claim 1, wherein: the clamping block (13) is connected with the inside of the clamping groove (15) in a clamping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222672592.4U CN218428127U (en) | 2022-10-11 | 2022-10-11 | Pin puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222672592.4U CN218428127U (en) | 2022-10-11 | 2022-10-11 | Pin puller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218428127U true CN218428127U (en) | 2023-02-03 |
Family
ID=85043701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222672592.4U Active CN218428127U (en) | 2022-10-11 | 2022-10-11 | Pin puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218428127U (en) |
-
2022
- 2022-10-11 CN CN202222672592.4U patent/CN218428127U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |