CN217530709U - Novel pin puller - Google Patents
Novel pin puller Download PDFInfo
- Publication number
- CN217530709U CN217530709U CN202221310731.2U CN202221310731U CN217530709U CN 217530709 U CN217530709 U CN 217530709U CN 202221310731 U CN202221310731 U CN 202221310731U CN 217530709 U CN217530709 U CN 217530709U
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- connecting rod
- bolt
- pin
- bolted connection
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Abstract
The embodiment of the utility model discloses novel pin puller, including pulling out the round pin bolt, the bolted connection piece, the connecting rod and hitting the piece, the connecting rod includes connecting rod main part and connecting rod top, and the end and the bolted connection piece of connecting rod main part are connected, hit the piece cover in the connecting rod main part, and the lower extreme of bolted connection piece is equipped with the spread groove, and the bottom of spread groove link up to the bottom terminal surface of bolted connection piece, pulls out the upper end card of round pin bolt in the spread groove, pulls out the bottom and the cylindric lock of round pin bolt and is connected, the utility model discloses make things convenient for the operator to debug the operation, alleviateed intensity of labour greatly, conveniently change vulnerable part, improve the intensity of partial part simultaneously.
Description
Technical Field
The utility model relates to a machinery installation and debugging field, concretely relates to novel pin puller.
Background
In the mechanical installation industry, particularly in the manufacturing and installation of automobile welding fixtures, parts are connected with high precision, so that the connection between the parts generally adopts a two-pin positioning mode, and the cylindrical pin and the pin hole of the part adopt interference fit, so that although the fit has higher precision, the part is extremely difficult to disassemble in the debugging process, so that the pin puller is an indispensable tool in the mechanical installation industry, but the traditional pin puller has the defects of troublesome installation, difficult purchase and replacement of pin pulling bolts and easy breakage of pin pulling parts.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel pin puller makes things convenient for the operator to debug the operation, has alleviateed intensity of labour greatly, conveniently changes vulnerable part, improves the intensity of partial part simultaneously.
In order to achieve the above object, the utility model provides a following technical scheme:
novel pin puller, including pulling pin bolt, bolted connection piece, connecting rod and hit the piece, the connecting rod includes connecting rod main part and connecting rod top, and the end and the bolted connection piece of connecting rod main part are connected, hit the piece cover in the connecting rod main part, and the lower extreme of bolted connection piece is equipped with the spread groove, and the bottom of spread groove link up to the bottom terminal surface of bolted connection piece, and the upper end card of pulling pin bolt is in the spread groove, and the bottom and the cylindric lock of pulling pin bolt are connected.
Preferably, the bolt connecting block comprises a connecting rod connecting portion and a pull pin bolt connecting portion, the connecting rod connecting portion are cylindrical, the pull pin bolt connecting portion are of a round table structure, a connecting rod mounting hole is formed in the center of the top end face of the connecting rod connecting portion, the bottom diameter of the pull pin bolt connecting portion is smaller than the top diameter of the pull pin bolt connecting portion, and the top of the pull pin bolt connecting portion is connected with the connecting rod connecting portion.
Preferably, the spread groove includes groove one, groove two and groove three, and groove one includes semicolumn groove one and intercommunication groove one, and groove two includes semicolumn groove two and arc wall, and groove three is U type groove, and groove two spread groove one and groove three, and intercommunication groove one passes the side of pulling out round pin bolted connection portion that connecting rod connecting portion reach, and the axle and the connecting rod connecting portion of semicolumn groove one are coaxial, and semicolumn groove two is located the below of semicolumn groove one, and height that semicolumn groove one is greater than the height of semicolumn groove two, and groove three runs through the bottom and the side of pulling out round pin bolted connection portion, and the upper end and the intercommunication groove one of groove three communicate.
Preferably, connecting rod connecting portion upper end is equipped with 2 symmetrical tangent planes, the tangent plane is the plane.
Preferably, still include lock nut, the end of connecting rod main part is equipped with the external screw thread, and the connecting rod mounting hole is equipped with the internal thread, connecting rod main part and bolted connection piece threaded connection, lock nut and connecting rod main part threaded connection, lock nut's terminal surface and the laminating of bolted connection piece.
Preferably, the diameter of the bolt head of the pin pulling bolt is larger than that of the semicircular hole in the third groove, and the diameter of the bolt column of the pin pulling bolt is smaller than that of the semicircular hole in the third groove.
Preferably, the pin pulling bolt is a hexagon socket head cap screw.
Compared with the prior art, the beneficial effects of the utility model are that:
the pin pulling bolt of the utility model is a vulnerable part, the pin pulling bolt of the utility model is changed into a national standard part, which is convenient for replacement; the utility model discloses redesigned bolted connection piece, liberated out in the loaded down with trivial details operation mode of original operator, made things convenient for the operator to operate, improved bolted connection piece's intensity simultaneously, life is longer.
Drawings
Fig. 1 is a schematic view of an embodiment of the present invention.
Fig. 2 is a schematic view of another view angle according to an embodiment of the present invention.
Fig. 3 is a schematic view of a bolt connecting block according to an embodiment of the present invention.
Fig. 4 is a schematic view of a bolt connecting block according to an embodiment of the present invention.
Fig. 5 is a schematic view of a pin pulling bolt according to an embodiment of the present invention.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in the figure, the embodiment of the utility model discloses a novel pin puller, including pulling pin bolt 1, bolted connection piece 2, connecting rod 4 and hitting piece 5, connecting rod 4 includes connecting rod main part 41 and connecting rod top 42, and the end and the bolted connection piece 2 of connecting rod main part 41 are connected, hit 5 covers of piece on connecting rod main part 51, and the lower extreme of bolted connection piece 2 is equipped with spread groove 21, and the bottom of spread groove 21 link up to the bottom terminal surface of bolted connection piece 2, and the upper end card of pulling pin bolt 1 is in spread groove 21, and the bottom of pulling pin bolt 1 is connected with cylindric lock A.
When in use, the operation flow is as follows:
an operator screws the pin pulling bolt 1 into the internal thread hole of the cylindrical pin A;
an operator clamps the pin pulling bolt 1 in the connecting groove 21 of the bolt connecting block 2;
the operator holds bolted connection piece 2 with one hand, and a first slip hits piece 5, and along with hitting the connecting rod top 42 that piece 5 strikeed connecting rod 4, under the effect of striking power, pull out cylindric lock A light from part B's hole, make things convenient for the operator to debug the operation, alleviateed intensity of labour greatly.
The utility model discloses an in the embodiment, bolted connection piece 2 includes connecting rod connecting portion 22 and pull pin bolted connection portion 23, and connecting rod connecting portion 22 is cylindrical, and pull pin bolted connection portion 23 is the round platform structure, and the top end face center department of connecting rod connecting portion 22 is equipped with connecting rod mounting hole 24, and the bottom diameter of pull pin bolted connection portion 23 is less than the top diameter of pull pin bolted connection portion 22, and the top of pull pin bolted connection portion 23 is connected with connecting rod connecting portion 22. The utility model discloses redesigned 2 structures of screw rod connecting block, the pull pin bolted connection portion 23 structure of lower extreme is the round platform structure, and the size of lower extreme is little, when drawing, can fall connecting rod connecting portion 22 department with the stress dispersion, improves life.
In an embodiment of the present invention, the connection groove 21 includes a first groove 211, a second groove 212 and a third groove 213, the first groove 211 includes a first half-cylindrical groove 2111 and a first communication groove 2112, the second groove 212 includes a second half-cylindrical groove 2121 and an arc-shaped groove 2122, the third groove 213 is a U-shaped groove, the first groove 212 connects the first groove 211 and the third groove 213, the first communication groove 2112 passes through the side of the connection rod connection portion 22 and the pin bolt connection portion 23, the first half-cylindrical groove 2111 is coaxial with the connection rod connection portion 22, the second half-cylindrical groove 2121 is located below the first half-cylindrical groove 2111, the first half-cylindrical groove 2111 is greater than the second half-cylindrical groove 2121, the third groove 213 runs through the bottom and the side of the pin bolt connection portion 23, and the upper end of the third groove 213 communicates with the first communication groove 2112.
When the pin pulling bolt 1 is placed, the bolt head of the pin pulling bolt 1 moves from the first communication groove 2112 to the first semi-cylindrical groove 2111, and then moves downwards to the second semi-cylindrical groove 2121, and the bolt column of the pin pulling bolt directly passes through the third groove 213.
In an embodiment of the present invention, the upper end of the connecting rod connecting portion 22 is provided with 2 symmetrical tangent planes 221, and the tangent plane 221 is a plane. The cutting surface 221 is used for clamping the bolt connecting block 2, so that the contact surface can be increased, and meanwhile, a clamp can be used for clamping the bolt connecting block 2.
The utility model discloses an in the embodiment, still include lock nut 3, the end of connecting rod main part is equipped with the external screw thread, and the connecting rod mounting hole is equipped with the internal thread, connecting rod main part and bolted connection piece threaded connection, lock nut and connecting rod main part threaded connection, lock nut's terminal surface and the laminating of bolted connection piece. And the locking nut 3 is used for locking the connecting rod main body and the bolt connecting block.
In an embodiment of the present invention, the diameter of the bolt head of the pin pulling bolt is larger than the diameter of the semicircular hole in the third groove, and the diameter of the bolt column of the pin pulling bolt is smaller than the diameter of the semicircular hole in the third groove.
In an embodiment of the present invention, the pin-pulling bolt is a hexagon socket head cap screw.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or scope of the invention as defined in the accompanying claims.
Claims (7)
1. Novel pin puller, its characterized in that: including pulling out the round pin bolt, the bolted connection piece, the connecting rod with hit the piece, the connecting rod includes connecting rod main part and connecting rod top, the end and the bolted connection piece of connecting rod main part are connected, hit the piece cover in the connecting rod main part, the lower extreme of bolted connection piece is equipped with the spread groove, the bottom of spread groove link up to the bottom terminal surface of bolted connection piece, the upper end card of pulling out the round pin bolt is in the spread groove, the bottom and the cylindric lock of pulling out the round pin bolt are connected.
2. The novel pin puller according to claim 1, wherein: the bolt connecting block comprises a connecting rod connecting part and a pull pin bolt connecting part, the connecting rod connecting part is cylindrical, the pull pin bolt connecting part is of a round platform structure, a connecting rod mounting hole is formed in the center of the top end face of the connecting rod connecting part, the bottom diameter of the pull pin bolt connecting part is smaller than the top diameter of the pull pin bolt connecting part, and the top of the pull pin bolt connecting part is connected with the connecting rod connecting part.
3. The novel pin puller according to claim 2, wherein: the spread groove includes groove one, groove two and groove three, and groove one includes half cylinder groove one and intercommunication groove one, and groove two includes half cylinder groove two and arc wall, and groove three is U type groove, groove two spread groove one and groove three, and intercommunication groove one passes the side of connecting rod connecting portion with pulling out round pin bolted connection portion, and the axle and the connecting rod connecting portion of half cylinder groove one are coaxial, and half cylinder groove two is located the below of half cylinder groove one, and the height that highly is greater than half cylinder groove two of half cylinder groove one, and groove three runs through the bottom and the side of pulling out round pin bolted connection portion, the upper end and the intercommunication groove one intercommunication of groove three.
4. The novel pin puller according to claim 2, wherein: the connecting rod connecting portion upper end is equipped with 2 symmetrical tangent planes, the tangent plane is the plane.
5. The novel pin puller according to claim 2, wherein: still include lock nut, the end of connecting rod main part is equipped with the external screw thread, and the connecting rod mounting hole is equipped with the internal thread, connecting rod main part and bolted connection piece threaded connection, lock nut and connecting rod main part threaded connection, lock nut's terminal surface and the laminating of bolted connection piece.
6. The novel pin puller as set forth in claim 3, wherein: the diameter of a bolt head of the pin pulling bolt is larger than that of the semicircular hole in the third groove, and the diameter of a bolt column of the pin pulling bolt is smaller than that of the semicircular hole in the third groove.
7. The novel pin puller according to claim 6, wherein: the pin pulling bolt is a hexagon socket head cap screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221310731.2U CN217530709U (en) | 2022-05-17 | 2022-05-17 | Novel pin puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221310731.2U CN217530709U (en) | 2022-05-17 | 2022-05-17 | Novel pin puller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217530709U true CN217530709U (en) | 2022-10-04 |
Family
ID=83441706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221310731.2U Active CN217530709U (en) | 2022-05-17 | 2022-05-17 | Novel pin puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217530709U (en) |
-
2022
- 2022-05-17 CN CN202221310731.2U patent/CN217530709U/en active Active
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