CN218592867U

CN218592867U - Strong detacher for piston pin of motorcycle

Info

Publication number: CN218592867U
Application number: CN202222770038.XU
Authority: CN
Inventors: 丘荣发; 严伟华; 陈金香
Original assignee: Fujian Youfu New Energy Technology Co ltd
Current assignee: Fujian Youfu New Energy Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-03-10
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a powerful detacher of motorcycle piston pin, concretely relates to piston pin detacher technical field, when using to the piston pin detacher, because the structure that adopts two lead screws to carry out threaded connection usually presss from both sides tight the piston pin, and operational environment is narrow and small, leads to two lead screw connection inefficiency, the problem of the dismantlement inefficiency of piston pin, now proposes following scheme, and it is including a supporting cylinder and a pull pin pole, the open end fixed mounting of a supporting cylinder has the supporting shoe, the supporting shoe is kept away from the one end fixed mounting of a supporting cylinder and is oval support body, the one end threaded connection that the supporting shoe was kept away from to a supporting cylinder has the lead screw that is the setting of running through, the lead screw is coaxial setting with a supporting cylinder, the lead screw is kept away from being provided with of a supporting cylinder and is integrative six that set up, the pull pin pole is coaxial and cup joints the setting with the lead screw. The utility model discloses novel structure has improved the dismantlement efficiency to the piston pin, suitable popularization.

Description

Strong detacher for piston pin of motorcycle

Technical Field

The utility model relates to a piston pin detacher technical field especially relates to a powerful detacher of motorcycle piston pin.

Background

The piston pin is a cylindrical pin installed on the skirt of the piston, the middle part of the piston pin passes through the small end hole of the connecting rod and is used for connecting the piston and the connecting rod, the function of the piston pin is to transmit the gas acting force born by the piston to the connecting rod or enable the small end of the connecting rod to drive the piston to move together, in order to reduce the weight, the piston pin is generally made of high-quality alloy steel and is hollow, the piston pin has certain application in the equipment of a motorcycle, is mainly used for determining the position of a two-dimensional space, and needs to be pulled out by a pin puller in the processes of daily mechanical maintenance, disassembly and adjustment.

When the piston pin detacher is used, the piston pin is clamped by a structure which is usually connected by two screw rods in a threaded manner, the working environment is narrow, the connection efficiency of the two screw rods is low, and the detaching efficiency of the piston pin is low. Therefore, in order to solve the problems, a strong detacher for the piston pin of the motorcycle is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a powerful detacher of motorcycle piston pin has solved piston pin detacher when using, because the structure that adopts two lead screws to carry out threaded connection usually presss from both sides tightly the piston pin, and operational environment is narrow and small, leads to the connection efficiency of two lead screws to hang down the problem of the inefficiency of piston pin.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a powerful puller of motorcycle piston pin, includes a supporting cylinder and a pull pin rod, the open end fixed mounting of a supporting cylinder has the supporting shoe, the supporting shoe is kept away from the one end fixed mounting who supports a section of thick bamboo and is oval support body, the one end threaded connection who supports a section of thick bamboo and keep away from the supporting shoe has the lead screw that is the setting of running through, the lead screw is coaxial setting with a supporting cylinder, the lead screw is kept away from being provided with of a supporting cylinder and is the hexagonal prism of an organic whole setting, the pull pin rod is coaxial and cup joints the setting with the lead screw, the lead screw is located the one end of a supporting cylinder and sets up the spacing hole that is sliding connection with the pull pin rod, be provided with limit structure between lead screw and the pull pin rod, the inner wall of supporting shoe is provided with the spacing stop gear to the pull pin rod.

The handheld supporting cylinder is used for attaching the oval supporting body to the side wall of the piston pin, then the pull pin rod is taken to penetrate the piston pin and the limiting mechanism, the pull pin rod is rotated, the limitation of the pull pin rod and the lead screw is completed, the limiting mechanism replaces a traditional threaded connection structure, the connection efficiency of the lead screw and the pull pin rod is improved, and the disassembly efficiency of the piston pin is improved.

Preferably, the supporting cylinder, the supporting block and the elliptical support body are integrally arranged, the supporting block and the elliptical support body are both provided with through holes which are arranged in the same way as the inner diameter of the supporting cylinder, and the elliptical support body is attached to the piston pin and has the function of auxiliary positioning.

Preferably, one end of the supporting cylinder, which is far away from the supporting block, is provided with a round angle, so that the supporting cylinder is prevented from scratching hands.

Preferably, limit structure includes spacing lug, two spacing lug fixed mounting is in the lateral wall of pull pin rod, two spacing lug is the symmetry setting about the pull pin rod, two spacing grooves that are the symmetry setting are seted up to the spacing hole lateral wall of lead screw, two the spacing groove all is the setting of L type, spacing groove and adjacent spacing lug phase-match, spacing groove cooperation spacing lug have replaced traditional threaded connection structure, have improved the efficiency of connection of lead screw and pull pin rod.

Preferably, the screw rod is fixedly sleeved with a reinforcing ring at one end close to the pull pin rod, the reinforcing ring is matched with the vertical sections of the two limiting grooves, the tensile property of the screw rod structure is improved, and the service life of the detacher is prolonged.

Preferably, the limiting mechanism comprises a limiting shaft sleeve, the limiting shaft sleeve is fixedly mounted on the inner wall of the supporting block, the limiting shaft sleeve and the pull pin rod are in sliding sleeved connection, two notches which are symmetrically arranged are formed in the inner wall of the limiting shaft sleeve, the notches are matched with the limiting convex blocks, the limiting shaft sleeve has a limiting effect on the pull pin rod, the stability of the rotation process of the pull pin rod is improved, and the notches have the effect of reserving space.

Preferably, one side of the limiting shaft sleeve, which is far away from the supporting cylinder, is provided with a round angle, so that the limiting convex block at the end part of the pull pin rod is conveniently butted with the limiting shaft sleeve.

The utility model has the advantages that:

through the installation to a support section of thick bamboo and pull pin rod, handheld support section of thick bamboo laminates the oval support body at the lateral wall of piston pin, then gets the pull pin rod and passes piston pin and spacing axle sleeve, rotates the pull pin rod, and spacing lug is the joint setting with the horizontal segment of spacing groove, and the spacing lug of spacing groove cooperation has replaced traditional threaded connection structure, has improved the efficiency of being connected of lead screw and pull pin rod, has improved the dismantlement efficiency to the piston pin.

To sum up, the utility model provides high to the dismantlement efficiency of piston pin, solved the piston pin puller when using, because the structure that adopts two lead screws to carry out threaded connection usually presss from both sides tightly the piston pin, operational environment is narrow and small, leads to the connection efficiency of two lead screws to hang down, the problem of the dismantlement inefficiency of piston pin, suitable popularization.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a view showing the installation structure of the reinforcing ring of the present invention;

fig. 4 is a cross-sectional view of the support cylinder of the present invention;

fig. 5 is a mounting structure diagram of the limiting shaft sleeve of the present invention.

The reference numbers in the figures: 1. a support cylinder; 2. a support block; 3. an elliptical carrier; 4. a screw rod; 5. a pin pull rod; 6. a limiting hole; 7. a limiting bump; 8. a limiting groove; 9. reinforcing rings; 10. a limiting shaft sleeve; 11. and (6) opening.

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.

Referring to the attached drawings 1-4 of the specification, the utility model provides a powerful detacher of motorcycle piston pin, including a supporting cylinder 1 and a pull pin rod 5, open end fixed mounting at a supporting cylinder 1 has supporting shoe 2, supporting role has, the one end fixed mounting who keeps away from a supporting cylinder 1 at supporting shoe 2 has oval support body 3, a supporting cylinder 1, supporting shoe 2 and oval support body 3 are integrative setting, oval support body 3 and piston pin laminating, the effect that has auxiliary positioning, all set up the through-hole that is the same setting with the internal diameter of a supporting cylinder 1 at supporting shoe 2 and oval support body 3, the effect that has the headspace, the one end threaded connection who keeps away from a supporting shoe 2 at a supporting cylinder 1 is lead screw 4 that runs through the setting, lead screw 4 is coaxial setting with a supporting cylinder 1, lead screw 4 keeps away from being provided with of a supporting cylinder 1 and is the hexagonal prism that an organic whole set up, transmission effect has, the fillet has been seted up at the one end that a supporting shoe 2 was kept away from at a supporting cylinder 1, avoid a supporting cylinder 1 adversary fish tail, pull pin rod 5 is coaxial and taut setting with the lead screw 6 that is sliding connection at the one end that 4 lies in a supporting cylinder 1, the effect that has the lead screw to the limiting hole that has.

Referring to the attached drawings 1-5 of the specification, a limiting structure is arranged between a screw rod 4 and a pull pin rod 5, the limiting structure comprises limiting lugs 7, the two limiting lugs 7 are fixedly arranged on the side wall of the pull pin rod 5, the two limiting lugs 7 are symmetrically arranged relative to the pull pin rod 5 and have a limiting effect, two limiting grooves 8 which are symmetrically arranged are arranged on the side wall of a limiting hole 6 of the screw rod 4, the two limiting grooves 8 are both arranged in an L shape, the limiting grooves 8 are matched with the adjacent limiting lugs 7 and have a mutual limiting effect, the limiting grooves 8 are matched with the limiting lugs 7 to replace the traditional threaded connection structure, the connection efficiency of the screw rod 4 and the pull pin rod 5 is improved, a reinforcing ring 9 is fixedly sleeved at one end of the screw rod 4 close to the pull pin rod 5, the reinforcing ring 9 is matched with the vertical sections of the two limiting grooves 8, the pull resistance of lead screw 4 structure has been improved, the life of this detacher has been improved, the inner wall of supporting shoe 2 is provided with the spacing stop gear to pull pin rod 5, stop gear includes spacing axle sleeve 10, with spacing axle sleeve 10 fixed mounting in the inner wall of supporting shoe 2, spacing axle sleeve 10 be with pull pin rod 5 slide cup joint the setting, the limiting displacement to pull pin rod 5 has, the stability of pull pin rod 5 rotation process has been improved, two openings 11 that are the symmetry and set up are seted up at the inner wall of spacing axle sleeve 10, opening 11 and spacing lug 7 phase-match, the effect that has the headspace, the fillet has been seted up to one side of keeping away from supporting cylinder 1 at spacing axle sleeve 10, be convenient for the butt joint of spacing lug 7 and spacing axle sleeve 10 of pull pin rod 5 tip.

The working principle is as follows: the utility model discloses when using, at first handheld support section of thick bamboo 1 with the laminating of oval support body 3 at the lateral wall of piston pin, get pull pin rod 5 after that and pass piston pin and spacing axle sleeve 10, rotate pull pin rod 5, spacing lug 7 is the joint setting with spacing groove 8's horizontal segment, after that with the muffjoint on the hexagonal prism of lead screw 4, after that through spanner or electric spanner rotation sleeve, pull pin rod 5 withdraws from in supporting 1 internal rotation of section of thick bamboo with lead screw 4 synchronization, the completion is dismantled the piston pin.

And finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a powerful puller of motorcycle piston pin, includes a support section of thick bamboo (1) and a draw pin pole (5), its characterized in that, the open end fixed mounting of a support section of thick bamboo (1) has supporting shoe (2), the one end fixed mounting that a support section of thick bamboo (1) was kept away from in supporting shoe (2) has oval support body (3), the one end threaded connection that a support section of thick bamboo (2) was kept away from in a support section of thick bamboo (1) has lead screw (4) that is to run through the setting, lead screw (4) are coaxial setting with a support section of thick bamboo (1), the lead screw (4) are kept away from being provided with of a support section of thick bamboo (1) and are the hexagonal prism that an organic whole set up, draw pin pole (5) are coaxial and cup joint the setting with lead screw (4), lead screw (4) are located the one end of a support section of thick bamboo (1) and set up spacing hole (6) that are sliding connection with draw pin pole (5), be provided with limit structure between lead screw (4) and draw pin pole (5), the inner wall of supporting shoe (2) is provided with the stop gear to draw pin pole (5).

2. The motorcycle piston pin strong detacher according to claim 1, characterized in that the supporting cylinder (1), the supporting block (2) and the elliptical bracket body (3) are integrally arranged, and the supporting block (2) and the elliptical bracket body (3) are both provided with through holes which are arranged in the same way as the inner diameter of the supporting cylinder (1).

3. The motorcycle piston pin strong detacher as recited in claim 1, characterized in that the end of the supporting cylinder (1) far away from the supporting block (2) is provided with a round angle.

4. The motorcycle gudgeon pin strong puller according to claim 1, characterized in that the limiting structure comprises a limiting projection (7), two limiting projections (7) are fixedly mounted on the side wall of the gudgeon rod (5), the two limiting projections (7) are symmetrically arranged about the gudgeon rod (5), two symmetrically arranged limiting grooves (8) are formed on the side wall of the limiting hole (6) of the lead screw (4), the two limiting grooves (8) are both arranged in an L shape, and the limiting groove (8) is matched with the adjacent limiting projection (7).

5. A motorcycle gudgeon pin power puller according to claim 4, characterized in that a reinforcing collar (9) is fixed to the end of the lead screw (4) close to the gudgeon rod (5), said reinforcing collar (9) matching the vertical section of the two limiting grooves (8).

6. The powerful remover for the piston pin of the motorcycle according to claim 1, wherein the limiting mechanism comprises a limiting shaft sleeve (10), the limiting shaft sleeve (10) is fixedly mounted on the inner wall of the supporting block (2), the limiting shaft sleeve (10) is slidably sleeved with the pull pin rod (5), two symmetrically arranged notches (11) are formed in the inner wall of the limiting shaft sleeve (10), and the notches (11) are matched with the limiting convex block (7).

7. The motorcycle piston pin strong detacher according to claim 6, characterized in that the side of the limit bushing (10) far away from the supporting cylinder (1) is provided with a round angle.