CN218935577U

CN218935577U - Single pump solenoid valve sealing connection piece

Info

Publication number: CN218935577U
Application number: CN202223026208.XU
Authority: CN
Inventors: 易军; 傅海燕; 刘俊杰; 李贵勇
Original assignee: Chengdu Zhida Electrical Manufacturing Co ltd
Current assignee: Chengdu Zhida Electrical Manufacturing Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-04-28
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a single pump electromagnetic valve sealing connecting piece in the technical field of single pumps, which comprises a main body, a single pump oil outlet and a high-pressure oil pipe, wherein the single pump oil outlet is in threaded connection with the lower side of the inner side wall of the main body, the high-pressure oil pipe is in threaded connection with the upper side of the inner side wall of the main body, the outer side wall of the main body is coated with anti-corrosion paint, inner threads are formed on the upper side and the lower side of the inner side wall of the main body, a communicating pipe is fixedly connected to the middle part of the inner side wall of the main body, the anti-corrosion paint is polyaniline anti-corrosion paint, sealing rings are sleeved on the upper side and the lower side of the outer side wall of the communicating pipe, first outer threads are formed on the outer side of the single pump oil outlet, the sealing rings are made of rubber materials, the single pump electromagnetic valve sealing connecting piece is reasonable in structural design, the problem that a connecting port is broken is avoided, and the maintenance cost is saved.

Description

Single pump solenoid valve sealing connection piece

Technical Field

The utility model relates to the technical field of unit pumps, in particular to a unit pump electromagnetic valve sealing connecting piece.

Background

The unit pump is a device for generating the injection pressure of the fuel injector, the unit pump electromagnetic valve is one of the devices, and the unit pump electromagnetic valve is more convenient to use by utilizing electric control, and the oil quantity and the oil pressure are more accurately regulated, so that the unit pump electromagnetic valve is very widely used.

When the existing single pump electromagnetic valve is connected with a high-pressure oil pipe, the existing single pump electromagnetic valve is always directly connected with the high-pressure oil pipe in a screwed mode, leakage can occur at the joint gradually under long-time use, oil pressure is insufficient finally, the use of the single pump electromagnetic valve is affected, external corrosion is easily received at the joint of an oil outlet of the single pump and the high-pressure oil pipe, the joint is broken, maintenance cost is increased, and therefore the single pump electromagnetic valve sealing connecting piece is provided.

Disclosure of Invention

The utility model aims to provide a sealing connecting piece of a solenoid valve of a single pump, which solves the problems that in the background technology, the direct connection between an oil outlet of the single pump and a high-pressure oil pipe is easy to leak and corrode.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a monomer pump solenoid valve sealing connection spare, includes main part, monomer pump oil outlet and high-pressure oil pipe, monomer pump oil outlet spiro union is in the inside wall downside of main part, high-pressure oil pipe spiro union is in the inside wall upside of main part, the lateral wall coating of main part has anticorrosive paint, anticorrosive paint's lateral wall fixedly connected with tungsten carbide alloy coating, the internal thread has been seted up to both sides about the inside wall of main part, the department fixedly connected with communicating pipe in the middle of the inside wall of main part.

As a further description of the above technical solution:

the anticorrosive paint is polyaniline anticorrosive paint.

As a further description of the above technical solution:

sealing rings are sleeved on the upper side and the lower side of the outer side wall of the communicating pipe.

As a further description of the above technical solution:

the sealing ring is made of rubber materials.

As a further description of the above technical solution:

the outer side of the single pump oil outlet is provided with a first external thread which is in threaded connection with the inner cavity of the internal thread at the lower side.

As a further description of the above technical solution:

the outside of high pressure oil pipe has seted up the second external screw thread, the second external screw thread spiro union upside the inner chamber of internal screw thread.

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

1. this monomer pump solenoid valve sealing connection spare through the inner chamber downside with monomer pump hydraulic outlet spiro union in the main part for the inside of the bottom intubate monomer pump hydraulic outlet of communicating pipe is with high-pressure oil pipe spiro union in the inner chamber upside of main part again, makes the top intubate high-pressure oil pipe of communicating pipe, increases the leakproofness through the sealing washer of upper and lower both sides at last, thereby avoids the connector to appear leaking through the connecting piece.

2. This monomer pump solenoid valve sealing connection spare adopts polyaniline anticorrosive paint through anticorrosive paint for anticorrosive paint has fine rust resistance, through brushing it in the main part, can protect the main part can not rust, and the rethread tungsten carbide alloy coating has very strong wearability, makes anticorrosive paint can not drop because of wearing and tearing, and the while tungsten carbide alloy coating also can play the guard action to the main part, thereby avoids the cracked problem of junction, saves cost of maintenance.

Drawings

FIG. 1 is a schematic perspective view of a sealing connector for a solenoid valve of a unit pump according to the present utility model;

FIG. 2 is a schematic diagram of a front view of a sealing connector for a solenoid valve of a unit pump according to the present utility model;

FIG. 3 is a schematic diagram of a cross-sectional front view of a sealing connector for a solenoid valve of a unit pump according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of the sealing connector of the solenoid valve of the unit pump shown in fig. 3.

In the figure: 100. a main body; 110. an anticorrosive paint; 111. a tungsten carbide alloy coating; 120. an internal thread; 130. a communicating pipe; 131. a seal ring; 200. an outlet of the monomer pump; 210. a first external thread; 300. a high pressure oil pipe; 310. and a second external thread.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model provides a sealing connector of a solenoid valve of a single pump, which can avoid leakage and fracture of a connecting part, referring to fig. 1-4, and comprises a main body 100, an oil outlet 200 of the single pump and a high-pressure oil pipe 300;

referring to fig. 3 to 4, an anticorrosive paint 110 is coated on an outer sidewall of a main body 100, the anticorrosive paint 110 is used for preventing corrosion, a tungsten carbide alloy coating 111 is fixedly connected to the outer sidewall of the anticorrosive paint 110, the tungsten carbide alloy coating 111 is used for improving wear resistance, internal threads 120 are formed on the upper side and the lower side of an inner sidewall of the main body 100, the internal threads 120 are used for screwing a monomer pump outlet 200 and a high-pressure oil pipe 300, a communicating pipe 130 is fixedly connected to the middle part of the inner sidewall of the main body 100, the communicating pipe 130 is used for communicating, and leakage can be well avoided by inserting the communicating pipe 130 into inner cavities of the monomer pump outlet 200 and the high-pressure oil pipe 300;

referring to fig. 1 to 3, a unit pump outlet 200 is screwed to the underside of the inner sidewall of the main body 100, and the unit pump outlet 200 is used for outputting high-pressure oil inside the unit pump;

referring to fig. 1 to 3 again, the high pressure oil pipe 300 is screw-coupled to the upper side of the inner sidewall of the main body 100, and the high pressure oil pipe 300 is used for circulating high pressure oil;

in summary, the connector can avoid leakage of the connection port.

Referring again to fig. 1-4, the corrosion resistant coating 110 is a polyaniline corrosion resistant coating with which corrosion can be well protected.

Referring to fig. 3-4 again, sealing rings 131 are sleeved on the upper and lower sides of the outer side wall of the communicating tube 130, and leakage is further avoided through the sealing rings 131.

Referring to fig. 3 to 4 again, the sealing ring 131 is made of rubber material, and the sealing effect is improved by using the rubber material.

Referring to fig. 3, a first external thread 210 is provided on the outer side of the single pump outlet 200, the first external thread 210 is screwed into the inner cavity of the lower internal thread 120, and the first external thread 210 can be screwed into the inner cavity of the internal thread 120.

Referring to fig. 3 again, a second external thread 310 is formed on the outer side of the high pressure oil pipe 300, the second external thread 310 is screwed into the inner cavity of the upper internal thread 120, and the second external thread 310 can be screwed into the inner cavity of the internal thread 120.

In summary, the problem of fracture at the joint is avoided, and the maintenance cost is saved.

In specific use, a person skilled in the art first sleeves the main body 100 on the first external thread 210 of the unit pump outlet 200, screws the main body 100 on the unit pump outlet 200 through the internal thread 120, inserts the communication pipe 130 into the inner cavity of the unit pump outlet 200, and screws the high-pressure oil pipe 300 in the same way, thereby completing the installation.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A single pump solenoid valve sealing connection spare, its characterized in that: including main part (100), monomer pump hydraulic fluid outlet (200) and high-pressure oil pipe (300), monomer pump hydraulic fluid outlet (200) spiro union is in the inside wall downside of main part (100), high-pressure oil pipe (300) spiro union is in the inside wall upside of main part (100), the lateral wall coating of main part (100) has anticorrosive paint (110), the lateral wall fixedly connected with tungsten carbide alloy coating (111) of anticorrosive paint (110), internal thread (120) have been seted up to both sides about the inside wall of main part (100), department fixedly connected with communicating pipe (130) in the middle of the inside wall of main part (100).

2. The unit pump solenoid valve sealing connection of claim 1 wherein: the anticorrosive paint (110) is polyaniline anticorrosive paint.

3. The unit pump solenoid valve sealing connection of claim 1 wherein: sealing rings (131) are sleeved on the upper side and the lower side of the outer side wall of the communicating pipe (130).

4. A unit pump solenoid valve sealing connection as described in claim 3 wherein: the sealing ring (131) is made of rubber materials.

5. The unit pump solenoid valve sealing connection of claim 1 wherein: the outer side of the single pump oil outlet (200) is provided with a first external thread (210), and the first external thread (210) is in threaded connection with the inner cavity of the internal thread (120) at the lower side.

6. The unit pump solenoid valve sealing connection of claim 1 wherein: the outside of high-pressure oil pipe (300) has seted up second external screw thread (310), second external screw thread (310) spiro union upside the inner chamber of internal screw thread (120).