CN216588901U

CN216588901U - Plunger sleeve of injection pump of diesel engine

Info

Publication number: CN216588901U
Application number: CN202123037688.5U
Authority: CN
Inventors: 杨明涛; 张长财; 夏秋燕; 王秀霞; 郑云
Original assignee: Shandong Youyipang Pump Technology Co ltd
Current assignee: Shandong Youyipang Pump Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-24
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a plunger sleeve of an oil injection pump of a diesel engine, which relates to the technical field of diesel engines and comprises an outer sleeve body, wherein an inner sleeve body is arranged in the outer sleeve body through a locking mechanism; locking mechanism includes a plurality of hydraulic tank, a plurality of hydraulic tank all sets up in the wall of outer cover, and hydraulic tank's inside is the vertical a plurality of pipe that is provided with of rectangular array, the inside of pipe is fixed with the spacing ring, the inside of spacing ring is provided with the ejector pin, the outer wall of the inner cover body seted up with ejector pin assorted draw-in groove, hydraulic tank's bottom is connected with the connecting pipe, the inside of connecting pipe is provided with the valve, through the outer cover body and the inner cover body that set up to and under locking mechanism's the effect, the staff can carry out the dismouting with the inner cover body of diesel engine plunger direct action fast to convenient degree when improving the diesel engine and maintaining.

Description

Plunger sleeve of injection pump of diesel engine

Technical Field

The utility model relates to the technical field of diesel engines, in particular to a plunger sleeve of an oil injection pump of a diesel engine.

Background

The diesel engine has the advantages of high power and good economic performance, the working process of the diesel engine has many places same as that of a gasoline engine, and each working cycle also undergoes four strokes of air intake, compression, work application and exhaust.

And the plunger sleeve that the diesel engine used in the existing market still has the defect when in actual use, for example, the plunger sleeve is difficult to install, and in the in-service use, after the plunger of diesel engine caused plunger sleeve wearing and tearing to warp, the plunger sleeve had the problem of being difficult to artificially take off.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plunger sleeve of an injection pump of a diesel engine, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a plunger sleeve of an injection pump of a diesel engine comprises an outer sleeve body, wherein an inner sleeve body is arranged in the outer sleeve body through a locking mechanism;

locking mechanism includes a plurality of hydraulic tank, a plurality of hydraulic tank all sets up in the wall of outer cover, and hydraulic tank's inside is the vertical a plurality of pipe that is provided with of rectangular array, the inside of pipe is fixed with the spacing ring, the inside of spacing ring is provided with the ejector pin, the outer wall of the inner cover body seted up with ejector pin assorted draw-in groove, hydraulic tank's bottom is connected with the connecting pipe, the inside of connecting pipe is provided with the valve.

Preferably, a pressing plate is fixed at one end of the ejector rod, and the diameter of the pressing plate is larger than that of the ejector rod.

Preferably, oil seals are arranged between the limiting ring and the ejector rod and between the pressure plate and the guide pipe.

Preferably, the both sides of hydraulic tank all are connected with the fixed plate, the fixed plate passes through the bolt fastening with outer housing, and the exterior wall of fixed plate flushes with outer housing's exterior wall.

Preferably, the top of the outer sleeve body is provided with a plurality of guide grooves in an annular array, and the top of the inner sleeve body is provided with a guide block matched with the guide grooves.

Preferably, a gasket is arranged at the bottom of the inner part of the guide groove, and the cross section area of the gasket is consistent with that of the guide block.

Preferably, the outer wall of the outer sleeve body is provided with a heat dissipation groove, two ends of the heat dissipation groove are respectively flush with two ends of the outer sleeve body, and the heat dissipation groove is of a concave structure.

Preferably, the length of the ejector rod is greater than the length of the limiting ring and the clamping groove.

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

1. according to the utility model, under the action of the outer sleeve body, the inner sleeve body and the locking mechanism, a worker can rapidly disassemble and assemble the inner sleeve body directly acted by the diesel engine plunger, so that the convenience of diesel engine maintenance is improved.

2. According to the utility model, through the guide block on the inner sleeve body and the guide groove on the outer sleeve body, after the guide block enters the guide groove, the alignment of the clamping groove and the clamping block can be rapidly assisted, so that a subsequent clamping block enters the clamping groove, and the inner sleeve body is rapidly installed.

3. In the utility model, because the length of the ejector rod is greater than that of the limiting ring, the ejector rod can extrude and damage the inner sleeve body after hydraulic oil is continuously injected into the hydraulic oil tank, so as to deal with the situation that the clamped inner sleeve body cannot be taken out manually, and improve the strain capacity of the device.

Drawings

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

FIG. 2 is a cross-sectional view of the outer casing of the present invention;

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

Fig. 4 is a plan view of the carrier rod of the present invention.

FIG. 5 is an enlarged view of the portion A of FIG. 2 according to the present invention.

In the figure: 1. an outer casing; 2. an inner sleeve body; 3. a guide groove; 4. a guide block; 5. a heat sink; 6. a connecting pipe; 7. a hydraulic oil tank; 8. a fixing plate; 9. a valve; 10. a card slot; 11. a top rod; 12. oil sealing; 13. a limiting ring; 14. a conduit; 15. pressing a plate; 16. and (6) a gasket.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1-4, a plunger sleeve of an injection pump of a diesel engine comprises an outer sleeve body 1, wherein an inner sleeve body 2 is arranged inside the outer sleeve body 1 through a locking mechanism;

locking mechanism includes a plurality of hydraulic tank 7, a plurality of hydraulic tank 7 all sets up in the wall of outer cover 1, and hydraulic tank 7's inside is the vertical a plurality of pipe 14 that is provided with of rectangular array, and pipe 14's inside is fixed with spacing ring 13, and the inside of spacing ring 13 is provided with ejector pin 11, and the outer wall of interior cover 2 is seted up with ejector pin 11 assorted draw-in groove 10, and hydraulic tank 7's bottom is connected with connecting pipe 6, and the inside of connecting pipe 6 is provided with valve 9.

Specifically, one end of the ejector rod 11 is fixed with a pressing plate 15, and the diameter of the pressing plate 15 is larger than that of the ejector rod 11, so that the ejector rod 11 is prevented from sliding out of the limiting ring 13, and stability of the ejector rod 11 in use is improved.

Further, oil seals 12 are arranged between the limit ring 13 and the ejector rod 11 and between the pressure plate 15 and the guide pipe 14, and hydraulic oil inside the hydraulic oil tank 7 can be prevented from leaking by the oil seals 12.

Furthermore, both sides of the hydraulic oil tank 7 are connected with fixing plates 8, the fixing plates 8 are fixed with the outer sleeve 1 through bolts, and the outer surface wall of the fixing plates 8 is flush with the outer surface wall of the outer sleeve 1, so that the fixing plates 8 are prevented from scratching the body of the diesel engine.

The using method of the embodiment comprises the following steps: the outer sleeve body 1 and the diesel engine cylinder body are installed through a flange, and then the inner sleeve body 2 is placed into the outer sleeve body 1;

after the inner sleeve body 2 falls into the outer sleeve body 1, hydraulic oil is injected into the hydraulic oil tank 7 through the valve 9 in the connecting pipe 6, the pressing plate 15 drives the ejector rod 11 to move towards the inner sleeve body 2 along with the injection of the hydraulic oil, and then the ejector rod 11 is inserted into the clamping groove 10, so that the inner sleeve body 2 and the outer sleeve body 1 are integrated, and the inner sleeve body 2 is fixed;

when the plunger of the diesel engine works, the plunger can work in the inner sleeve body 2, when the inner wall of the inner sleeve body 2 is abraded, hydraulic oil in the hydraulic oil tank 7 is pumped out, the ejector rod 11 can be driven to move towards the inside of the hydraulic oil tank 7, and then a worker can directly pump out the inner sleeve body 2 from the inside of the outer sleeve body 1 to perform replacement work, so that the convenience of maintaining the plunger sleeve of the diesel engine is greatly improved;

the stability of the hydraulic oil tank 7 in the wall of the outer sleeve body 1 can be further increased by utilizing the fixing plate 8.

Example 2

The structure of the diesel engine injection pump plunger bushing of this embodiment is basically the same as the structure of the diesel engine injection pump plunger bushing of embodiment 1, and its difference lies in: the top of the outer sleeve body 1 is provided with a plurality of guide grooves 3 in an annular array, and the top of the inner sleeve body 2 is provided with guide blocks 4 (see fig. 1-5) matched with the guide grooves 3.

Specifically, the inner bottom of the guide groove 3 is provided with a gasket 16, and the cross-sectional area of the gasket 16 is consistent with that of the guide block 4.

Furthermore, the outer wall of the outer sleeve 1 is provided with a heat dissipation groove 5, two ends of the heat dissipation groove 5 are respectively flush with two ends of the outer sleeve 1, and the heat dissipation groove 5 is in a concave structure.

Furthermore, the length of the top rod 11 is larger than the length of the limiting ring 13 and the clamping groove 10.

The using method of the embodiment comprises the following steps: by using the guide block 4 on the inner sleeve body 2 and the guide groove 3 on the outer sleeve body 1, after the guide block 4 enters the guide groove 3, the clamping groove 10 can be quickly aligned with the ejector rod 11, so that the subsequent ejector rod 11 can enter the clamping groove 10;

the heat dissipation groove 5 can be used for dissipating heat of the whole device, so that the service life of the device is prolonged;

when the inner sleeve body 2 is deformed due to working reasons, so that the friction force between the inner sleeve body and the outer sleeve body 1 is too large, and the inner sleeve body 2 cannot be taken down through manpower, the length of the ejector rod 11 is larger than that of the limiting ring 13, and after hydraulic oil is continuously injected into the hydraulic oil tank 7, the inner sleeve body 2 is extruded and damaged by the ejector rod 11, so that the inner sleeve body 2 is taken out to be replaced.

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 diesel engine injection pump plunger bushing, includes outer casing (1), its characterized in that: an inner sleeve body (2) is arranged in the outer sleeve body (1) through a locking mechanism;

locking mechanism includes a plurality of hydraulic tank (7), a plurality of hydraulic tank (7) all set up in the wall of outer cover body (1), and the inside of hydraulic tank (7) is the vertical a plurality of pipe (14) that is provided with of rectangular array, the inside of pipe (14) is fixed with spacing ring (13), the inside of spacing ring (13) is provided with ejector pin (11), the outer wall of the inner cover body (2) seted up with ejector pin (11) assorted draw-in groove (10), the bottom of hydraulic tank (7) is connected with connecting pipe (6), the inside of connecting pipe (6) is provided with valve (9).

2. The plunger sleeve of the injection pump of the diesel engine according to claim 1, wherein: and a pressing plate (15) is fixed at one end of the ejector rod (11), and the diameter of the pressing plate (15) is larger than that of the ejector rod (11).

3. The plunger sleeve of the injection pump of the diesel engine according to claim 2, wherein: and oil seals (12) are arranged between the limiting ring (13) and the ejector rod (11) and between the pressure plate (15) and the guide pipe (14).

4. The plunger sleeve of the injection pump of the diesel engine according to claim 1, wherein: the two sides of the hydraulic oil tank (7) are both connected with fixing plates (8), the fixing plates (8) are fixed with the outer sleeve body (1) through bolts, and the outer surface wall of the fixing plates (8) is flush with the outer surface wall of the outer sleeve body (1).

5. The plunger sleeve of the injection pump of the diesel engine according to claim 1, wherein: the top of the outer sleeve body (1) is provided with a plurality of guide grooves (3) in an annular array, and the top of the inner sleeve body (2) is provided with guide blocks (4) matched with the guide grooves (3).

6. The plunger sleeve of the injection pump of the diesel engine according to claim 5, wherein: a gasket (16) is arranged at the bottom of the inner part of the guide groove (3), and the cross section area of the gasket (16) is consistent with that of the guide block (4).

7. The plunger sleeve of the injection pump of the diesel engine according to claim 1, wherein: the outer wall of the outer sleeve body (1) is provided with heat dissipation grooves (5), two ends of each heat dissipation groove (5) are flush with two ends of the outer sleeve body (1) respectively, and the heat dissipation grooves (5) are of a concave structure.

8. The plunger sleeve of the injection pump of the diesel engine according to claim 1, wherein: the length of the ejector rod (11) is larger than the length of the limiting ring (13) and the clamping groove (10) integrally.