CN209876029U

CN209876029U - Quick reversing four-way water valve with low internal leakage rate

Info

Publication number: CN209876029U
Application number: CN201920383763.7U
Authority: CN
Inventors: 刘赛; 张在波; 张�成
Original assignee: Wuhan Dongjiang Feite Science And Technology Co Ltd
Current assignee: Wuhan Dongjiang Feite Science And Technology Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2019-12-31
Anticipated expiration: 2029-03-26

Abstract

A quick reversing four-way water valve with low internal leakage rate comprises a valve body, wherein a conical groove is formed in the valve body, a conical valve core is arranged in the conical groove, four valve ports which are butted with different pipelines are formed in the conical valve core, an end cover is arranged at the lower end of the valve body, a circle of annular bulge is arranged around each valve port, and the valve core and the annular bulge are made of elastic materials; the unique conical structure and the annular bulge are matched with the elastic PTFE material, so that the sliding friction resistance during conversion is reduced, and the rotating clearance between the valve core and the valve body is sealed; the steering action can be completed quickly by matching with the driving device.

Description

Quick reversing four-way water valve with low internal leakage rate

Technical Field

The utility model relates to a cross water valve, a quick switching-over cross water valve that internal leakage rate is low specifically says so.

Background

At present, four-way water valves are rarely used in an automobile battery cooling system, and two or more three-way valves are basically used for realizing the on-off and reversing functions. The reason is mainly that the four-way valve has a complex structure and poor sealing performance. And the four-way ball valve on the market is mainly used in heavy industry at present, and the structure is complicated, and the machining precision requires highly, mostly manual operation, so the use example in the automobile field is less. The four-way valve applied in the automobile field seriously affects the actual use effect because of long steering action time, high internal leakage rate and the like.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve the cross valve that among the prior art automotive filed used, also because turn to the problem that action time is long, internal leakage rate is higher.

The utility model adopts the technical proposal that: a quick reversing four-way water valve with low internal leakage rate comprises a valve body, wherein a conical groove is formed in the valve body, a conical valve core is arranged in the conical groove, four valve ports which are in butt joint with different pipelines are formed in the conical valve core, an end cover is arranged at the lower end of the valve body, a circle of annular bulge is arranged around each valve port, and the valve core and the annular bulge are made of elastic materials.

Furthermore, a groove is formed in the inner side face of the end cover, and a spring used for pushing the valve body is arranged in the middle of the groove.

Furthermore, the valve core and the annular bulge are made of elastic PTFE with excellent self-lubricating effect.

Furthermore, the valve core is connected with a driving device through a shaft, and the driving device drives the valve core to rotate, so that the pipelines can be switched quickly.

Furthermore, the driving device is a motor, a gasoline engine or a diesel engine.

Furthermore, the root parts of the upper rotating shaft and the lower rotating shaft of the valve core are respectively sleeved with a first sealing ring and a second sealing ring.

The utility model has the advantages and the characteristics that: (1) the unique conical structure and the annular bulge are matched with the elastic PTFE material, so that the sliding friction resistance during conversion is reduced, and the rotating clearance between the valve core and the valve body is sealed; (2) the steering action can be completed quickly by matching with the driving device.

Drawings

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure B-B of FIG. 1;

FIG. 3 is an enlarged partial schematic view of FIG. 1 at A;

fig. 4 is a schematic perspective view of the preferred embodiment of the present invention shown in fig. 1;

the reference numbers in the figures denote: 1-valve body, 2-valve core, 21-annular bulge, 3-end cover, 4-spring, 5-first sealing ring, 6-second sealing ring, 7-driving device, 8-conical groove and 9-pipeline.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

example 1:

referring to fig. 1-4, the quick-change-over four-way water valve with low internal leakage rate comprises a valve body 1, wherein a conical groove 8 is formed in the valve body 1, a conical valve core 2 is arranged in the conical groove 8, four valve ports which are butted with different pipelines are formed in the conical valve core 2, an end cover 3 is arranged at the lower end of the valve body 1, a circle of annular protrusion 21 is arranged around each valve port, and the valve core 2 and the annular protrusion are made of elastic materials.

The inner side surface of the end cover 3 is provided with a groove 31, the middle part of the groove 31 is provided with a spring 4 for pushing the valve body, and the valve core is of a conical structure, so that the upward thrust of the spring enables the annular bulge 21 to be tightly attached to the inner wall of the conical groove 8, high-precision internal sealing is realized, series flow among pipelines is blocked, and the sealing effect is enhanced; the valve core 2 and the annular bulge are made of elastic PTFE (polytetrafluoroethylene) with excellent self-lubricating effect, so that the friction force during rotation is reduced, and the sealing performance is enhanced.

Example 2:

as a preferable scheme, compared with embodiment 1, the shaft of the valve core 2 is further connected with a driving device 7 (such as a motor, a gasoline engine, and a diesel engine), and the driving device drives the valve core 2 to rotate, so as to realize rapid switching between pipelines.

Example 3:

preferably, in order to further enhance the sealing performance, a first sealing ring 5 and a second sealing ring 6 are respectively sleeved at the root parts of the upper rotating shaft and the lower rotating shaft of the valve core 2.

The novel reversing valve has the advantages of simple structure, small volume, quick reversing and extremely low internal leakage rate, so that quick, accurate and controllable reversing between two sets of pipelines becomes practical; the valve core material is a PTFE material which has high self-lubricating property and certain compression elasticity, so that the sliding friction resistance during conversion is reduced, and the rotating clearance between the valve core and the valve body is sealed. After a simple vehicle-mounted signal is input, the electric drive system works to drive the valve core to rotate 90 degrees quickly and then to be powered off and self-retained, the switching action time can be completed within 1 second, and in the retaining state after the action is completed, the internal leakage rate is as low as 0.5mL/min when the working pressure is calibrated.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description of the above embodiments and the description is only for the purpose of illustrating the structural relationships and principles of the present invention, and that there can be various changes and modifications without departing from the spirit and scope of the present invention, and that these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a quick switching-over four-way water valve that internal leakage rate is low which characterized in that: the valve comprises a valve body (1), wherein a conical groove (8) is formed in the valve body (1), a conical valve core (2) is arranged in the conical groove (8), four valve ports which are butted with different pipelines are formed in the conical valve core (2), an end cover (3) is arranged at the lower end of the valve body (1), a circle of annular bulge (21) is arranged around each valve port, and the valve core (2) and the annular bulge are made of elastic materials.

2. The quick reversing four-way water valve with low internal leakage rate of claim 1, wherein: a groove (31) is formed in the inner side face of the end cover (3), and a spring (4) used for pushing the valve body is arranged in the middle of the groove (31).

3. The quick reversing four-way water valve with low internal leakage rate of claim 1, wherein: the valve core (2) and the annular bulge are made of elastic PTFE with excellent self-lubricating effect.

4. The quick reversing four-way water valve with low internal leakage rate of claim 3, wherein: the valve core (2) is in shaft connection with a driving device (7), and the driving device drives the valve core (2) to rotate, so that the rapid switching between pipelines is realized.

5. The quick reversing four-way water valve with low internal leakage rate of claim 4, wherein: the driving device is a motor, a gasoline engine or a diesel engine.

6. The quick reversing four-way water valve with low internal leakage rate of claim 1, wherein: the root parts of the upper rotating shaft and the lower rotating shaft of the valve core (2) are respectively sleeved with a first sealing ring (5) and a second sealing ring (6).