Valve terminal integrated double one-way valve

Abstract

The utility model relates to the technical field of one-way valves, and belongs to a valve terminal integrated double-one-way valve. Which comprises a valve island and a liquid storage tank integrally connected with the valve island, and is characterized in that a first channel, a second channel and a third channel are arranged in the valve island, the first channel, the second channel and the third channel are connected in a penetrating mode, one-way valves are arranged in the first channel and the second channel, and the one-way valves in the first channel and the second channel are arranged in opposite directions. And the third channel is communicated with the liquid storage tank. The single valve terminal is integrated with the double one-way valves and is integrated with the liquid storage tank, so that different loops can be cut off, the control function requirements of different loops of an air conditioning system are met, connecting pipelines and other valve terminals corresponding to the one-way valves are saved, integration and light weight of the one-way valves are realized, and the cost is reduced. And the practicability of the device is improved while the cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to one -way valve technical field belongs to a valve island integral type double one -way valve. BACKGROUND

[0002] With the rapid development of new energy automobile industry, the demand of new energy automobile of consumer market user is more and more big, and it promotes the rapid iteration of new technology in the field of new energy automobile. Integrated lightweight design becomes the mainstream development direction in the field of new energy automobile, and integrated module brings integrated design into the field of new design mode.

[0003] In the prior art, one one-way stop valve in the new energy automobile air conditioning system needs to match one valve island to meet the one-way stop function, when the air conditioning system needs two one-way valves, two valve islands and link air conditioning pipeline are needed to meet the one-way stop function of different circuits, and the liquid storage tank is connected and assembled as a separate component, the integration is not high, and the cost and weight are increased. UTILITY MODEL CONTENTS

[0004] In view of the above technical problems, the utility model provides a valve island integral type double one-way valve.

[0005] In order to realize the above purpose, the utility model provides the following technical scheme:

[0006] The application provides a valve island integral type double one-way valve, which comprises a valve island and a liquid storage tank integrally connected with the valve island, characterized in that the valve island is provided with a channel one, a channel two and a channel three, the channel one, the channel two and the channel three are connected through each other, the channel one and the channel two are provided with one-way valves, the one-way valves in the channel one and the channel two are reversely arranged, and the channel three is connected with the liquid storage tank.

[0007] Preferably, the one-way valve comprises a valve body, a moving rod and a pressure difference spring, the valve body is provided with a connecting table, the middle part of the connecting table is provided with a movable hole, the moving rod is movably connected with the movable hole, and the pressure difference spring is arranged on the connecting table.

[0008] Preferably, the front end of the moving rod is connected with a limiting disc one, the pressure difference spring is located between the connecting table and the limiting disc one, and the rear end of the moving rod is provided with a limiting disc two.

[0009] Preferably, the outer wall of the valve body is provided with an assembly ring, the channel one and the channel two are provided with fixed check rings, assembly grooves are formed in the fixed check rings, and the assembly ring is connected with the assembly grooves in a matched mode.

[0010] Preferably, sealing grooves are formed in the valve body and the limiting disc two, and sealing O-rings are arranged in the sealing grooves.

[0011] As preferred, the liquid storage tank is provided with a discharge pipe and a support net rack, one end of the discharge pipe is connected with a liquid outlet on the liquid storage tank, the other end of the discharge pipe is connected with the support net rack, the support net rack is connected with the bottom of the liquid storage tank, and a filter screen is arranged between the discharge pipe and the support net rack.

[0012] As preferred, the valve island is provided with a mounting seat for mounting.

[0013] Compared with the prior art, the utility provides a valve island integrated double one-way valve, which has the following beneficial effects:

[0014] In the utility, a single valve island integrates a double one-way valve, and is integrated with a liquid storage tank, so that different loop cutoffs can be realized, the connection pipeline and the remaining valve islands corresponding to the one-way valve are saved, the integration and light weight of the one-way valve are realized, the cost is saved, and the practicability of the device is improved.

[0015] The features and advantages of the utility will be described in detail in combination with the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of an external mechanism of the utility;

[0017] Figure 2 It is a lower view of the utility;

[0018] Figure 3 It is a schematic diagram of the structure of the one-way valve of the utility;

[0019] Figure 4 It is Figure 2 It is a sectional view in the A-A direction of the utility;

[0020] Figure 5 It is Figure 4 It is an enlarged view of the part B of the utility;

[0021] Figure 6 It is a schematic diagram of the structure of the liquid storage tank of the utility;

[0022] In the drawings: 1, valve island; 2, liquid storage tank; 3, one-way valve; 11, passage one; 12, passage two; 13, passage three; 14, fixed check ring; 15, mounting seat; 141, assembly groove; 21, discharge pipe; 22, support net rack; 23, liquid outlet; 24, filter screen; 31, valve body; 32, movement rod; 33, differential pressure spring; 34, connecting table; 35, movable hole; 36, limit disc one; 37, limit disc two; 38, sealing groove; 39, sealing O-ring; 311, assembly ring. DETAILED DESCRIPTION

[0023] For the purpose, technical scheme and advantages of the utility model to be more clear and obvious, below, through the drawing and example, to the utility model further detailed explanation.But should understand, the specific example described here merely to explain the utility model, and is not used to limit the scope of the utility model.In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0024] Refer to Figure 1 , Figure 4 , the utility model provides a valve island integral type double one-way valve, including valve island 1 and with the integral type connection of liquid storage tank 2 of valve island 1, the channel one 11, channel two 12 and channel three 13 are equipped in the valve island 1, the channel one 11, channel two 12 and channel three 13 are all through connection between, the channel one 11 and channel two 12 are all equipped with one-way valve 3, the one-way valve 3 in the channel one 11 and channel two 12 is reversely arranged, obviously, the one-way valve 3 is used to control fluid flow direction, positive direction can be opened, reverse direction can be closed, two one-way valves 3 are installed reversely and are convenient to realize the control adjustment of different flow directions, the channel three 13 is through connection with liquid storage tank 2.

[0025] Refer to Figure 3 , specifically, the one-way valve 3 includes valve body 31, movement rod 32 and pressure difference spring 33, the connection table 34 is equipped in the valve body 31, the movable hole 35 is equipped in the middle part of the connection table 34, the movement rod 32 is used with movable hole 35, the pressure difference spring 33 is arranged on the connection table 34.

[0026] Refer to Figure 3 , specifically, the movement rod 32 front end is connected with limit disc one 36, the pressure difference spring 33 is located between the connection table 34 and limit disc one 36, the movement rod 32 rear end is equipped with limit disc two 37, when one-way valve 3 is subjected to the positive pressure difference of air conditioning system, limit disc one 36 is stressed, the pressure difference spring 33 is compressed, movement rod 32 moves in movable hole 35, limit disc two 37 moves synchronously, loop channel opens, when there is no air conditioning system positive pressure difference, the pressure difference spring 33 rebounds, movement rod 32 resets, loop channel closes, thus by controlling the switch of one-way valve 3 to realize the switch of channel one 11, channel two 12, and then different flow circuits can be formed.

[0027] Refer to Figures 4-5 , specifically, the outer wall of valve body 31 is equipped with assembly ring 311, the channel one 11 and channel two 12 are all equipped with fixed check ring 14, the fixed check ring 14 is equipped with assembly groove 141 in, the assembly ring 311 is connected with assembly groove 141.

[0028] Refer to Figures 4-5Specifically, the valve body 31 and the limiting disc 37 are both provided with a sealing groove 38, and an O-shaped ring 39 is arranged in the sealing groove 38, which is used to enhance the sealing performance.

[0029] Referring to Figure 6 Specifically, the liquid storage tank 2 is provided with a discharge pipe 21 and a support net rack 22, one end of the discharge pipe 21 is connected with a liquid outlet 23 on the liquid storage tank 2, the other end of the discharge pipe 21 is connected with the support net rack 22, the support net rack 22 is connected with the bottom of the liquid storage tank 2, and a filter screen 24 is arranged between the discharge pipe 21 and the support net rack 22, which can play a filtering role to prevent ice blocking of the air conditioning system. High-temperature and high-pressure gas-liquid mixed refrigerant enters the liquid storage tank 2 through the inlet, liquid-phase refrigerant is accumulated at the bottom of the liquid storage tank 2 under the action of gravity, the liquid is filtered and dried through the filter screen 24 and the drying agent, and then the liquid enters the discharge pipe 21 through the bottom, and flows out of the liquid storage tank 2 under the action of the suction of the system.

[0030] Referring to Figure 1 Specifically, the valve island 1 is provided with a mounting seat 15 for mounting.

[0031] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A valve island integrated double check valve, comprising a valve island (1) and a liquid storage tank (2) integrally connected with the valve island (1), characterized in that: The valve island (1) is internally provided with a passage one (11), a passage two (12) and a passage three (13), the passage one (11), the passage two (12) and the passage three (13) are all through connected, the passage one (11) and the passage two (12) are all internally provided with a one-way valve (3), the one-way valves (3) in the passage one (11) and the passage two (12) are reversely arranged, the passage three (13) is through connected with a liquid storage tank (2).

2. The valve skid integral dual check valve of claim 1, wherein: The one-way valve (3) comprises a valve body (31), a movement rod (32) and a pressure difference spring (33), the valve body (31) is internally provided with a connecting table (34), the connecting table (34) is internally provided with a movable hole (35), the movement rod (32) is movably connected with the movable hole (35), and the pressure difference spring (33) is arranged on the connecting table (34).

3. A valve skid integral dual check valve as defined in claim 2 wherein: The movement rod (32) is connected with a limiting disc one (36) at the front end, the pressure difference spring (33) is located between the connecting table (34) and the limiting disc one (36), and the movement rod (32) is provided with a limiting disc two (37) at the rear end.

4. The valve skid integral dual check valve of claim 2, wherein: The valve body (31) is externally provided with an assembly ring (311), the passage one (11) and the passage two (12) are both internally provided with a fixed check ring (14), the fixed check ring (14) is internally provided with an assembly groove (141), and the assembly ring (311) is movably connected with the assembly groove (141).

5. The valve skid integral dual check valve of claim 2, wherein: The valve body (31) and the limiting disc two (37) are both internally provided with a sealing groove (38), and the sealing groove (38) is internally provided with a sealing O-shaped ring (39).

6. The valve skid integral dual check valve of claim 1, wherein: The liquid storage tank (2) is internally provided with a discharging pipe (21) and a supporting net rack (22), one end of the discharging pipe (21) is connected with a liquid outlet (23) on the liquid storage tank (2), the other end of the discharging pipe (21) is connected with the supporting net rack (22), the supporting net rack (22) is connected with the bottom of the liquid storage tank (2), and a filter screen (24) is arranged between the discharging pipe (21) and the supporting net rack (22).

7. The valve skid integral dual check valve of claim 1, wherein: The valve island (1) is provided with a mounting seat (15) for mounting.

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