CN215408895U

CN215408895U - Wear-resistant engine piston

Info

Publication number: CN215408895U
Application number: CN202120761939.5U
Authority: CN
Inventors: 王艳利
Original assignee: Sichuan Zhongneng Xikong Low Carbon Power Equipment Co ltd
Current assignee: Sichuan Zhongneng Xikong Low Carbon Power Equipment Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2022-01-04
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a wear-resistant engine piston, which relates to the related technical field of engine pistons and comprises a cylinder body, wherein a piston is inserted into the inner wall of the cylinder body in a sliding manner, a supporting seat is fixed on the outer side wall of the bottom of the piston, a crankshaft is fixed on the outer side wall of the bottom of the supporting seat, a slidable supporting plate is arranged on the outer side wall of the piston, a telescopic ball is arranged on the inner wall of the supporting plate on one side far away from the piston, a first sliding groove is formed in the inner side wall of the piston, a baffle is fixedly arranged between the inner walls of the first sliding grooves, a sliding block is arranged on the inner wall of the first sliding groove above the baffle in a sliding manner and is matched with the first sliding groove, the utility model utilizes the supporting plate to enable the piston to have a buffering effect by sliding when contacting with the inner wall of a cylinder, and utilizes the telescopic ball to reduce the friction force between the piston and the inner wall of the cylinder, so that the piston is not easy to damage when being rubbed with the inner wall of the cylinder, the piston has wear resistance, is not easy to damage and is convenient to use.

Description

Wear-resistant engine piston

Technical Field

The utility model relates to the technical field of engine pistons, in particular to a wear-resistant engine piston.

Background

The piston is a part of an engine and has the function of reciprocating in the cylinder to enable a gas working medium to complete thermodynamic cycle and convert partial chemical energy of fuel into a power device for mechanical engineering.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a wear resistant engine piston to solve the problems set forth in the background art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a stand wear and tear engine piston, includes the cylinder body, the inner wall of cylinder body slides and pegs graft there is the piston, the bottom lateral wall of piston is fixed with the supporting seat, the bottom lateral wall of supporting seat is fixed with the bent axle, the lateral wall of piston is equipped with gliding backup pad, one side inner wall that the piston was kept away from to the backup pad is equipped with the ball that can stretch out and draw back.

Preferably, a first sliding groove is formed in the side wall of the piston, the first sliding groove is symmetrical about the central axis of the piston, a baffle is fixedly mounted between the inner walls of the first sliding groove, a sliding block is arranged above the baffle and slidably mounted on the inner wall of the first sliding groove, and the sliding block is matched with the first sliding groove.

Preferably, the outer side wall of the bottom of the sliding block is fixedly provided with a limiting spring, one end, far away from the sliding block, of the limiting spring is fixedly connected with the outer side wall of the baffle, the upper surface of the sliding block is fixedly provided with a transmission rod, and the transmission rod penetrates through the outer side wall of the piston and is fixedly connected with the supporting plate.

Preferably, the inner wall of the supporting plate is provided with a second sliding groove, the second sliding groove is symmetrical about the central axis of the supporting plate, and the inner wall of the second sliding groove is provided with a supporting rod in a sliding manner.

Preferably, the outer side wall of the support rod inside the second sliding groove is fixedly provided with a tightening spring, one end of the tightening spring, which is far away from the support rod, is fixedly connected with the inner wall of the second sliding groove, and the central outer side wall of the support rod is rotatably connected with the ball.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model utilizes the supporting plate to enable the piston to have a buffering effect by sliding when contacting with the inner wall of the cylinder, and utilizes the telescopic ball to reduce the friction force between the piston and the inner wall of the cylinder, so that the piston is not easy to damage when being rubbed with the inner wall of the cylinder, has wear resistance, is not easy to damage and is convenient to use.

Drawings

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

FIG. 2 is a front cross-sectional view of the piston construction of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 according to the present invention.

In the figure: 1. a cylinder body; 2. a piston; 3. a crankshaft; 4. a supporting seat; 5. a baffle plate; 6. a first chute; 7. a slider; 8. a limiting spring; 9. a support plate; 10. a ball bearing; 11. a support bar; 12. a second chute; 13. tightening the spring; 14. and a transmission rod.

Detailed Description

In order to enable the piston to have wear resistance, not to be damaged easily and to be used conveniently, the embodiment of the utility model provides a wear-resistant engine piston. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Please refer to fig. 1-3, this embodiment provides a wear-resistant engine piston, which includes a cylinder body 1, a piston 2 is inserted into an inner wall of the cylinder body 1 in a sliding manner, a support seat 4 is fixed on an outer side wall of a bottom of the piston 2, the support seat 4 is used for driving the piston 2 to slide, a crankshaft 3 is fixed on an outer side wall of a bottom of the support seat 4, a support plate 9 capable of sliding is arranged on an outer side wall of the piston 2, so that the piston 2 can have a buffering effect when contacting with the inner wall of the cylinder body 1, a telescopic ball 10 is arranged on an inner wall of a side of the support plate 9 away from the piston 2, and the telescopic ball 10 can reduce a friction force between the piston 2 and the inner wall of the cylinder body 1, so that the piston 2 is not easily damaged when rubbing with the inner wall of the cylinder body 1, and the piston 2 has wear resistance and is not easily damaged, and is convenient for using the piston 2.

In this embodiment, in order to make backup pad 9 can slide, first spout 6 has been seted up inside the lateral wall of piston 2, first spout 6 is symmetrical about the center pin of piston 2, first spout 6 provides the sliding space for slider 7, fixed mounting has baffle 5 between the inner wall of first spout 6, baffle 5 plays the effect of support, simultaneously baffle 5 can make slider 7 slide according to fixed direction, the inner wall slidable mounting who is located the first spout 6 in top of baffle 5 has slider 7, slider 7 and first spout 6 phase-match, when backup pad 9 receives frictional force, backup pad 9 can slide between first spout 6 inner wall, thereby can play the effect of buffering, reduce the frictional force that piston 2 received, the wearability of piston 2 has been strengthened.

In order to enable the sliding block 7 to reset in time, a limiting spring 8 is fixedly mounted on the outer side wall of the bottom of the sliding block 7, one end, away from the sliding block 7, of the limiting spring 8 is fixedly connected with the outer side wall of the baffle 5, the limiting spring 8 provides an inward elastic force, a transmission rod 14 is fixedly mounted on the upper surface of the sliding block 7, the transmission rod 14 plays a role in transmission, the transmission rod 14 penetrates through the outer side wall of the piston 2 and is fixedly connected with a supporting plate 9, when the supporting plate 9 is moved by friction force, the supporting plate 9 drives the transmission rod 14 to move, the sliding block 7 further slides in the first sliding groove 6, and when the sliding block 7 moves, the sliding block 7 can reset in time under the effect of the limiting spring 8.

In order to reduce the friction force between the piston 2 and the cylinder body 1, the inner wall of the supporting plate 9 is provided with a second chute 12, the second chute 12 is symmetrical about the central axis of the supporting plate 9, the second chute 12 provides a sliding space for the supporting rod 11, the supporting rod 11 is slidably mounted on the inner wall of the second chute 12, the outer side wall of the supporting rod 11 located inside the second chute 12 is fixedly provided with a compression spring 13, the compression spring 13 provides an outward elastic force, one end of the compression spring 13 far away from the supporting rod 11 is fixedly connected with the inner wall of the second chute 12, the central outer side wall of the supporting rod 11 is rotatably connected with the ball 10, when the ball 10 is in contact with the inner wall of the cylinder body 1, the ball 10 can rotate around the supporting rod 11, meanwhile, the ball 10 can drive the supporting rod 11 to slide inside the second chute 12, when the supporting rod 11 slides, the compression spring 13 can timely reset the supporting rod 11, when the outer side wall of the support rod 11 rotates, the ball 10 can play a role in unloading, so that sliding friction is changed into rolling friction, the piston 2 is further subjected to small force, the wear resistance of the piston 2 is enhanced, and the use of the piston 2 is facilitated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stand wear and tear engine piston, includes cylinder body (1), the inner wall of cylinder body (1) slides and pegs graft there is piston (2), the bottom lateral wall of piston (2) is fixed with supporting seat (4), the bottom lateral wall of supporting seat (4) is fixed with bent axle (3), its characterized in that: the lateral wall of piston (2) is equipped with gliding backup pad (9), one side inner wall that piston (2) were kept away from in backup pad (9) is equipped with ball (10) that can stretch out and draw back.

2. A wear resistant engine piston as set forth in claim 1 wherein: first spout (6) have been seted up to the lateral wall inside of piston (2), first spout (6) are about the center pin symmetry of piston (2), fixed mounting has baffle (5) between the inner wall of first spout (6), is located the top of baffle (5) the inner wall slidable mounting of first spout (6) has slider (7), slider (7) and first spout (6) phase-match.

3. A wear resistant engine piston as set forth in claim 2 wherein: the bottom lateral wall fixed mounting of slider (7) has spacing spring (8), the lateral wall fixed connection of the one end of slider (7) and baffle (5) is kept away from in spacing spring (8), the last fixed surface of slider (7) installs transfer line (14), transfer line (14) pass the lateral wall and backup pad (9) fixed connection of piston (2).

4. A wear resistant engine piston as set forth in claim 1 wherein: the inner wall of the supporting plate (9) is provided with a second sliding groove (12), the second sliding groove (12) is symmetrical about the central axis of the supporting plate (9), and a supporting rod (11) is slidably mounted on the inner wall of the second sliding groove (12).

5. A wear resistant engine piston as set forth in claim 4 wherein: the utility model discloses a bracing piece, including bracing piece (11), bracing piece (11) are located the inside lateral wall fixed mounting of second spout (12) and are reduced spring (13), reduce spring (13) and keep away from the one end of bracing piece (11) and the inner wall fixed connection of second spout (12), rotate between the center lateral wall of bracing piece (11) and ball (10) and be connected.