CN214944668U

CN214944668U - Joint structure of diesel oil injection pump

Info

Publication number: CN214944668U
Application number: CN202121364904.4U
Authority: CN
Inventors: 顾建新
Original assignee: Wuxi Xintian Dingli Technology Co ltd
Current assignee: Wuxi Xintian Dingli Technology Co ltd
Priority date: 2021-06-19
Filing date: 2021-06-19
Publication date: 2021-11-30
Anticipated expiration: 2031-06-19

Abstract

The utility model relates to an injection pump technical field specifically is a joint design of diesel oil injection pump, including a pipe body, the surface of body is provided with clearance mechanism, clearance mechanism is including last pipeline, the inner wall threaded connection of last pipeline has the installation piece, the bottom welding of installation piece has the connecting rod, the bottom welding of connecting rod has the clearance board, the surface intercommunication of body has the lower pipeline, the inner wall fixed mounting of body has the filter plate, the both ends of body swing joint respectively have pump line and oil pipe, and oil pipe is located the right side of pump line, pump line and oil pipe's surface all is provided with fixed establishment. The utility model discloses a clearance mechanism can carry out the filtration of impurity to the oil that gets into in the injection pump, prevents that impurity from getting into and then increasing the wearing and tearing of plunger matching parts in the injection pump, and then increasing the life of injection pump to need not to dismantle the injection pump kneck, can clear up the impurity that filters out.

Description

Joint structure of diesel oil injection pump

Technical Field

The utility model relates to a fuel injection pump technical field specifically is a joint design of diesel oil fuel injection pump.

Background

The fuel injection pump is an important component of the diesel engine of the automobile, the fuel injection pump assembly is usually a whole formed by mounting components such as the fuel injection pump, a speed regulator and the like together, wherein the speed regulator is a component for ensuring the low-speed operation and the limitation to the highest rotating speed of the diesel engine and ensuring a certain relation between the injection quantity and the rotating speed, and the fuel injection pump is the most important component of the diesel engine and is regarded as a heart component of the diesel engine, and once a problem occurs, the whole diesel engine can work abnormally.

The fuel injection pump in the current market is directly connected with an oil pipe, impurities in oil can enter the fuel injection pump, and finally, the plunger matching parts in the fuel injection pump are abraded, so that the service life of the fuel injection pump is influenced, the filter screen can be added to the joint of the existing part of the fuel injection pump to filter the impurities, but the joint needs to be disassembled to clean the impurities, so that the great trouble is caused, and therefore, a joint structure of the diesel fuel injection pump is provided.

SUMMERY OF THE UTILITY MODEL

The present specification provides a joint structure of a diesel injection pump.

The embodiment of the specification provides a joint design of diesel oil injection pump, including the body, the surface of body is provided with clearance mechanism, clearance mechanism is including last pipeline, the inner wall threaded connection of going up the pipeline has the installation piece, the bottom welding of installation piece has the connecting rod, the bottom welding of connecting rod has the clearance board, the surface intercommunication of body has the lower pipeline, the inner wall fixed mounting of body has the filter plate, the both ends of body swing joint have pump line and oil pipe respectively, and oil pipe is located the right side of pump line, the surface of pump line and oil pipe all is provided with fixed establishment.

Optionally, the bottom of the upper pipeline is communicated with the surface of the pipe body, and the surface of the cleaning plate is movably connected with the inner wall of the lower pipeline.

Optionally, the fixing mechanism comprises a push rod, a push ring is welded at the top of the push rod, a return spring is welded on the left side of the push rod, a clamping block is slidably connected to the inner wall of the pump pipe, and a connecting pipe is movably connected to the inner wall of the pump pipe.

Optionally, a sealing ring is sleeved on the surface of the connecting pipe, the surface of the sealing ring is in contact with the inner wall of the pump pipe, a supporting spring is welded on the inner wall of the connecting pipe, and the bottom end of the supporting spring is welded and fixed with the inner wall of the connecting pipe.

Optionally, the surface of the push rod is connected with the inner wall of the pump pipe in a sliding manner, the inner wall of the push ring is connected with the surface of the pump pipe in a sliding manner, the left end of the reset spring is fixed to the inner wall of the pump pipe in a welding manner, and the surface of the clamping block is connected with the inner wall of the connecting pipe in a sliding manner.

Optionally, the number of the push rods is four, and the four push rods are distributed in a centrosymmetric manner by taking the circle center of the push ring as an origin.

It can be seen from the above technical solutions that the joint structure of the diesel injection pump provided in the embodiment of this specification at least has the following beneficial effects:

(1) the utility model discloses a clearance mechanism can carry out the filtration of impurity to the oil that gets into in the injection pump, prevents that impurity from getting into and then increasing the wearing and tearing of plunger matching parts in the injection pump, and then increasing the life of injection pump to need not to dismantle injection pump kneck, can clear up the impurity that filters out, it is not only convenient but also swift.

(2) The utility model discloses a fixed establishment can be quick carry out fixed mounting and dismantlement to injection pump interface and oil pipe to reduced installation and dismantlement time, increased the device equipment and dismantle the efficiency when maintaining, the practicality can promote.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the cleaning mechanism of the present invention;

fig. 3 is a cross-sectional view of the fixing mechanism of the present invention;

FIG. 4 is a side view of the pump tube of the present invention;

fig. 5 is a cross-sectional view of the pump tube of the present invention.

In the figure: 1. a pipe body; 2. a cleaning mechanism; 21. an upper pipeline; 22. mounting blocks; 23. a connecting rod; 24. cleaning the plate; 25. a lower pipeline; 26. filtering the plate; 3. a pump tube; 4. an oil pipe; 5. a fixing mechanism; 51. a push rod; 52. a push ring; 53. a return spring; 54. a clamping block; 55. a connecting pipe; 56. a seal ring; 57. supporting the spring.

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 fig. 1-5, the present invention provides a technical solution:

a joint structure of a diesel injection pump comprises a pipe body 1, a cleaning mechanism 2 is arranged on the surface of the pipe body 1, the cleaning mechanism 2 comprises an upper pipeline 21, the inner wall of the upper pipeline 21 is in threaded connection with an installation block 22, a connecting rod 23 is welded at the bottom end of the installation block 22, a cleaning plate 24 is welded at the bottom end of the connecting rod 23, the surface of the pipe body 1 is communicated with a lower pipeline 25, a filter plate 26 is fixedly installed on the inner wall of the pipe body 1, two ends of the pipe body 1 are respectively and movably connected with a pump pipe 3 and an oil pipe 4, the oil pipe 4 is positioned on the right side of the pump pipe 3, fixing mechanisms 5 are arranged on the surfaces of the pump pipe 3 and the oil pipe 4, oil entering the injection pump can be filtered through the cleaning mechanism 2, impurities can be prevented from entering the injection pump and further abrasion of a plunger matching part is increased, the service life of the injection pump is prolonged, and the filtered impurities can be cleaned without being detached from the interface of the injection pump, is convenient and quick.

In this embodiment, the bottom of upper tube way 21 and the surface of body 1 communicate each other, the inner wall swing joint of the surface of clearance plate 24 and lower pipeline 25, and the welding of the top of installation piece 22 has the handle, therefore the workman can drive the installation piece 22 rotation through rotatory handle and realize dismantling, and is provided with the rubber pad between installation piece 22 and the upper tube way 21, can realize sealing between the two, prevents that oil from oozing.

Further, fixed establishment 5 is including push rod 51, push rod 51's top welding has push ring 52, push rod 51's left side welding has reset spring 53, the inner wall sliding connection of pump line 3 has fixture block 54, the inner wall swing joint of pump line 3 has connecting pipe 55, the inner wall of cleaning plate 24 is provided with the filter screen, consequently cleaning plate 24 only can take impurity out when taking out, can not take oil out, prevent that oil from being taken out and then the phenomenon that takes place to splash, threaded connection between upper pipe 21 and the installation piece 22 can realize the auto-lock, prevent that installation piece 22 from taking place to remove when not using, and then lead to the device oil leak, be unfavorable for using widely.

In addition, the sealing washer 56 has been cup jointed on the surface of connecting pipe 55, the surface of sealing washer 56 and the inner wall of pump line 3 contact each other, the inner wall welding of connecting pipe 55 has supporting spring 57, supporting spring 57's bottom and connecting pipe 55's inner wall welded fastening, sealing washer 56 can provide sealed effect after pump line 3 and connecting pipe 55 are installed, prevent between the two not sealed, and then lead to the oil to flow out, still can lead to the not enough and then unable normal work of injection pump pressure.

Besides, the surface of the push rod 51 is connected with the inner wall of the pump pipe 3 in a sliding mode, the inner wall of the push ring 52 is connected with the surface of the pump pipe 3 in a sliding mode, the left end of the reset spring 53 is fixed with the inner wall of the pump pipe 3 in a welding mode, the surface of the fixture block 54 is connected with the inner wall of the connecting pipe 55 in a sliding mode, the inner wall of the pump pipe 3 is provided with a clamping groove, the cross section of the side view of the clamping groove is in a sickle shape, the fixture block 54 is clamped into the clamping groove and then extends into the clamping groove under the action of the supporting spring 57 to achieve fixing, and the operation is very convenient and fast.

In this embodiment, the number of the push rods 51 is four, and the four push rods 51 are symmetrically distributed around the center of the push ring 52, the four push rods 51 are designed to represent the design of the four locking blocks 54, and the four locking blocks 54 are designed to make the installation between the pump tube 3 and the connecting tube 55 more stable and firm, thereby increasing the safety of the device.

The utility model discloses a joint structure of diesel oil injection pump when using, push connecting pipe 55 on the body 1 into the pump line 3, when pushing in aim at the draw-in groove in the pump line 3 with fixture block 54, push into the back and rotate clockwise, at this moment fixture block 54 can block into the draw-in groove under the effect of supporting spring 57, oil pipe 4 on right side is so connected, and then realize the quick installation between pump line 3 and oil pipe 4, when needing to dismantle, push away ring 52 rightwards, push away ring 52 drives push rod 51 to move, push rod 51 drives fixture block 54 through the inclined plane and moves down, at this moment fixture block 54 will leave the draw-in groove, only need the body 1 of reverse rotation to accomplish the dismantlement, when the injection pump is using, oil will pass through filter plate 26, but impurity will be stopped by filter plate 26, the workman only need to turn round installation piece 22 and pull out installation piece 22, installation piece 22 will drive connecting rod 23 to move up, connecting rod 23 drives clearance board 24 to move up, the impurity that clearance board 24 will filter 26 off filter filters out is taken out to need not to dismantle the injection pump kneck, can clear up the impurity of crossing off the filter, not only convenient but also swift.

The above embodiments are only used for illustrating the embodiments of the present invention, and are not intended to limit the embodiments of the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the embodiments of the present invention, and therefore all equivalent technical solutions also belong to the scope of the embodiments of the present invention, and the scope of patent protection of the embodiments of the present invention should be defined by the claims.

Claims

1. The utility model provides a joint design of diesel oil injection pump, includes body (1), its characterized in that: the surface of body (1) is provided with clearance mechanism (2), clearance mechanism (2) are including last pipeline (21), the inner wall threaded connection of last pipeline (21) has installation piece (22), the bottom welding of installation piece (22) has connecting rod (23), the bottom welding of connecting rod (23) has clearance board (24), the surface intercommunication of body (1) has lower pipeline (25), the inner wall fixed mounting of body (1) has filter plate (26), the both ends of body (1) swing joint respectively have pump line (3) and oil pipe (4), and oil pipe (4) are located the right side of pump line (3), the surface of pump line (3) and oil pipe (4) all is provided with fixed establishment (5).

2. The joint structure of a diesel injection pump of claim 1, characterized in that: the bottom end of the upper pipeline (21) is communicated with the surface of the pipe body (1), and the surface of the cleaning plate (24) is movably connected with the inner wall of the lower pipeline (25).

3. The joint structure of a diesel injection pump of claim 1, characterized in that: fixed establishment (5) are including push rod (51), the top welding of push rod (51) has push ring (52), the left side welding of push rod (51) has reset spring (53), the inner wall sliding connection of pump line (3) has fixture block (54), the inner wall swing joint of pump line (3) has connecting pipe (55).

4. The joint structure of a diesel injection pump of claim 3, characterized in that: the surface of the connecting pipe (55) is sleeved with a sealing ring (56), the surface of the sealing ring (56) is in contact with the inner wall of the pump pipe (3), a supporting spring (57) is welded on the inner wall of the connecting pipe (55), and the bottom end of the supporting spring (57) is welded and fixed with the inner wall of the connecting pipe (55).

5. The joint structure of a diesel injection pump of claim 3, characterized in that: the surface of push rod (51) and the inner wall sliding connection of pump line (3), the inner wall of throw-out collar (52) and the surface sliding connection of pump line (3), the left end of reset spring (53) and the inner wall welded fastening of pump line (3), the surface of fixture block (54) and the inner wall sliding connection of connecting pipe (55).

6. The joint structure of a diesel injection pump of claim 3, characterized in that: the number of the push rods (51) is four, and the four push rods (51) are distributed in a centrosymmetric manner by taking the circle center of the push ring (52) as an origin.