CN216152248U

CN216152248U - Piston ring dismounting device convenient to maintenance is used

Info

Publication number: CN216152248U
Application number: CN202122248803.7U
Authority: CN
Inventors: 石远兵
Original assignee: Yizheng Double Piston Ring Co ltd
Current assignee: Yizheng Double Piston Ring Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-04-01
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a piston ring dismounting device convenient for maintenance, which comprises a first connecting rod, wherein the first connecting rod is hinged with a second connecting rod through a rotating shaft, one side of the first connecting rod and one side of the second connecting rod are respectively and fixedly connected with a second clamping plate and a first clamping plate, the other side of the first connecting rod and the other side of the second connecting rod are respectively and fixedly connected with a handle, the interior of the second clamping plate and the interior of the first clamping plate are respectively and fixedly connected with a piston ring through a clamping mechanism, and the inner walls of the second clamping plate and the first clamping plate are respectively and fixedly connected with a clamping plate at an opening of the piston ring, so that the device can be used for carrying out auxiliary clamping on the piston ring with the inner diameter smaller than the normal clamping range through the clamping mechanism, thereby the device can be more stable when the piston ring with the smaller inner diameter is dismounted, further the application range and the practicability of the device are greatly enhanced, and the device has simple structure, the disassembly and clamping effect is good, and the market competitiveness is extremely high.

Description

Piston ring dismounting device convenient to maintenance is used

Technical Field

The utility model relates to the technical field of piston ring disassembly, in particular to a piston ring disassembling device convenient to maintain.

Background

The piston ring is a core part in a fuel engine, and is widely used for various power machines, and the early piston ring is formed by casting, but with the technical progress, a steel high-power piston ring is produced, and with the continuous improvement of the requirements on the functions of the engine, the quality requirements on the piston ring are higher and higher. The piston ring is in the draw-in groove of cover on the piston, during piston maintenance, need pull down the piston ring inspection occasionally, but current piston ring dismounting device breaks off with the fingers and thumb the piston ring because of exerting oneself too greatly easily when using, and outwards pop out easily when the piston ring outwards rises greatly, thereby very easily lead to the fact the fish tail to personnel on every side, and current device generally can not press from both sides tightly the piston ring that is less than self centre gripping scope to the internal diameter, lead to need using specific dismounting device when dismantling the less piston ring of internal diameter, thereby the practicality of piston ring dismounting device has seriously been restricted, for this reason, we provide a piston ring dismounting device for the maintenance of being convenient for.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a piston ring dismounting device convenient for maintenance, which solves the problems in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a piston ring dismounting device convenient to maintenance is used, includes the head rod, the head rod articulates through the pivot has the second connecting rod, one side difference fixedly connected with second grip block and the first grip block of head rod and second connecting rod, the equal fixedly connected with handle of opposite side of head rod and second connecting rod, the inside of second grip block and first grip block is through clamping mechanism fixedly connected with piston ring, the equal fixedly connected with cardboard of opening part that second grip block and first grip block inner wall are located the piston ring.

Preferably, clamping mechanism is including seting up the mounting groove in second grip block and first grip block inside, the inner wall fixedly connected with reset spring of mounting groove, reset spring's opposite side fixedly connected with pinch-off blades to the practicality of this device has been improved greatly.

Preferably, a clamping groove is formed in the clamping plate, the clamping groove is a trapezoidal groove with a gradually reduced opening, a wear-resistant sleeve is fixedly connected to the inner wall of the clamping groove, and a wear-resistant nylon material is filled in the wear-resistant sleeve, so that the safety of the device is greatly improved.

Preferably, the outer surface cover of handle is equipped with the lag, the inside of lag is filled with the cavernosum, the surface of lag has seted up anti-skidding line to the dismantlement efficiency has been improved greatly.

Preferably, one side fixedly connected with blotter of clamp plate, the inside of blotter is filled with the elastic rubber body, the block groove has been seted up to the surface of blotter to the life of this device has been improved greatly.

Preferably, the clamping mechanism is provided with two groups, each group is five, and the clamping mechanisms are distributed in the first clamping plate and the second clamping plate respectively in an annular array mode, so that the stability of the device is greatly improved.

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

1. by arranging the mounting groove, the reset spring, the clamping plate and the buffer pad, the device can be used for carrying out auxiliary clamping on the piston ring with the inner diameter smaller than the normal clamping range through the clamping mechanism, so that the piston ring with the smaller inner diameter can be more stably disassembled, the application range and the practicability of the device are greatly enhanced, and the device is simple in structure, good in disassembling and clamping effect and high in market competitiveness;

2. the clamping plate, the clamping groove and the wear-resistant sleeve are arranged, so that the device can limit the piston ring by using the clamping groove with the opening continuously reduced, the piston ring is prevented from popping out after the inner diameter of the piston ring is increased, and the piston ring is not easy to break off by breaking off by using the resistance of the clamping groove, so that the safety of surrounding personnel is protected, the safety of the piston ring is protected, and the safety of the device is greatly improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention in its entirety;

FIG. 2 is a schematic view of the internal structure of the first clamping plate and the second clamping plate of the present invention;

FIG. 3 is a side view of a card of the present invention;

FIG. 4 is a schematic view showing the inner structure of the connecting portion of the snap plate and the piston ring according to the present invention;

in the figure: 1. a first connecting rod; 2. a handle; 3. a first clamping plate; 4. a second clamping plate; 5. a piston ring; 6. clamping a plate; 7. a card slot; 8. mounting grooves; 9. a return spring; 10. a clamping plate; 11. a cushion pad; 12. a protective sleeve; 13. a wear-resistant sleeve; 14. a rotating shaft; 15. a second connecting rod.

Detailed Description

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.

Referring to fig. 1-4, the utility model provides a piston ring dismounting device convenient for maintenance, which comprises a first connecting rod 1, wherein the first connecting rod 1 is hinged with a second connecting rod 15 through a rotating shaft 14, one side of the first connecting rod 1 and one side of the second connecting rod 15 are respectively and fixedly connected with a second clamping plate 4 and a first clamping plate 3, the other side of the first connecting rod 1 and the other side of the second connecting rod 15 are respectively and fixedly connected with a handle 2, the interior of the second clamping plate 4 and the first clamping plate 3 are fixedly connected with a piston ring 5 through a clamping mechanism, and the inner walls of the second clamping plate 4 and the first clamping plate 3 at the opening of the piston ring 5 are respectively and fixedly connected with a clamping plate 6.

In a preferred embodiment, the clamping mechanism comprises a mounting groove 8 formed in the second clamping plate 4 and the first clamping plate 3, a return spring 9 is fixedly connected to the inner wall of the mounting groove 8, a clamping plate 10 is fixedly connected to the other side of the return spring 9, and the piston ring 5 with the inner diameter smaller than the clamping range of the second clamping plate 4 and the first clamping plate 3 can be clamped and fixed by the clamping mechanism, so that the application range of the device is expanded on one hand, and the clamping effect is enhanced on the other hand.

In a preferred embodiment, the clamping groove 7 is formed in the clamping plate 6, the clamping groove 7 is a trapezoidal groove with a gradually decreasing opening, the wear-resistant sleeve 13 is fixedly connected to the inner wall of the clamping groove 7, the wear-resistant sleeve 13 is filled with a wear-resistant nylon material, and the clamping groove 7 with the gradually decreasing opening is used for limiting the piston ring 5, so that the piston ring 5 is not easy to pop up and break off when expanding.

In a preferred embodiment, the outer surface of the handle 2 is sleeved with the protective sleeve 12, the inner part of the protective sleeve 12 is filled with the sponge body, the outer surface of the protective sleeve 12 is provided with anti-slip patterns, and the anti-slip patterns on the outer surface of the protective sleeve 12 are utilized to increase the frictional resistance between the hand and the handle 2, so that the hand slip phenomenon is avoided when the piston ring 5 is detached.

In a preferred embodiment, a cushion pad 11 is fixedly connected to one side of the clamping plate 10, an elastic rubber body is filled in the cushion pad 11, an engaging groove is formed in the outer surface of the cushion pad 11, and the elastic rubber body in the cushion pad 11 can effectively reduce the friction damage between the clamping plate 10 and the piston ring 5.

In a preferred embodiment, two sets of five clamping mechanisms are provided, and are distributed in an annular array inside the first clamping plate 3 and the second clamping plate 4 respectively, so that the clamping effect of the device is better by utilizing the synergistic effect of the plurality of clamping mechanisms.

The working principle of the utility model is as follows: when the clamping device is used, an operator firstly separates the first clamping plate 3 from the second clamping plate 4 through the handle 2, then the first clamping plate 3 and the second clamping plate 4 are respectively sleeved on two outer sides of the piston ring 5, then the first clamping plate 3 and the second clamping plate 4 are slowly contracted, when the inner diameter of the piston ring 5 is smaller than the clamping range of the first clamping plate 3 and the second clamping plate 4, the piston ring 5 can be fixed through the clamping mechanism, when the piston ring is clamped, the piston ring 5 can push the clamping plate 10 to compress the return spring 9, the reverse acting force provided when the return spring 9 is compressed can form a clamping force on the piston ring 5, so that the piston ring 5 can be clamped by the clamping plate 10, then the opening parts on two sides of the piston ring 5 are inserted into the clamping grooves 7, and finally the operator forcibly pulls the handle 2 in the opposite direction, so that the opening of the piston ring 5 slowly rises, and when the opening of the piston ring 5 is expanded, the piston ring 5 can gradually move towards the inside of the clamping groove 7 with the gradually reduced opening, so that the piston ring 5 can be gradually clamped with the clamping groove 7 more tightly, and the piston ring 5 can not be outwards popped out and is not easy to move inwards, thereby greatly improving the safety of the device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement 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 piston ring dismounting device convenient to maintenance is used, includes head rod (1), its characterized in that: the utility model discloses a piston ring clamping device, including first connecting rod (1), first grip block (3), first clamping plate (4), first grip block (3), first connecting rod (1) and second connecting rod (15), one side difference fixedly connected with second grip block (4) and first grip block (3) of first connecting rod (1) and second connecting rod (15), the equal fixedly connected with handle (2) of opposite side of first connecting rod (1) and second connecting rod (15), clamping mechanism fixedly connected with piston ring (5) is passed through to the inside of second grip block (4) and first grip block (3), the equal fixedly connected with piston ring cardboard (6) of opening part that second grip block (4) and first grip block (3) inner wall are located piston ring (5).

2. A piston ring removing device for facilitating maintenance as claimed in claim 1, wherein: clamping mechanism is including offering mounting groove (8) inside second grip block (4) and first grip block (3), the inner wall fixedly connected with reset spring (9) of mounting groove (8), opposite side fixedly connected with pinch-off blades (10) of reset spring (9).

3. A piston ring removing device for facilitating maintenance as claimed in claim 1, wherein: the wear-resistant clamp is characterized in that a clamping groove (7) is formed in the clamping plate (6), the clamping groove (7) is a trapezoidal groove with a gradually reduced opening, a wear-resistant sleeve (13) is fixedly connected to the inner wall of the clamping groove (7), and a wear-resistant nylon material is filled in the wear-resistant sleeve (13).

4. A piston ring removing device for facilitating maintenance as claimed in claim 1, wherein: the outer surface cover of handle (2) is equipped with lag (12), the inside of lag (12) is filled with the cavernosum, the surface of lag (12) has seted up anti-skidding line.

5. A piston ring removing device for facilitating maintenance as set forth in claim 2, wherein: one side fixedly connected with blotter (11) of clamp plate (10), the inside of blotter (11) is filled with the elastic rubber body, the block groove has been seted up to the surface of blotter (11).

6. A piston ring removing device for facilitating maintenance as claimed in claim 1, wherein: the clamping mechanisms are provided with two groups of five clamping mechanisms, and the five clamping mechanisms are respectively distributed in the first clamping plate (3) and the second clamping plate (4) in an annular array manner.