Hydraulic electromagnetic valve for new energy vehicle

Abstract

The utility model is applied to the field of hydraulic electromagnetic valves, in particular to a hydraulic electromagnetic valve for a new energy vehicle, which is characterized in that a liquid inlet of a shell, a liquid outlet of the shell, an oil supply cavity of the shell, a valve body, a valve core, a second piston, a telescopic mechanism, a third piston, a push rod and an air cylinder are matched with one another, and the liquid inlet and the liquid outlet are communicated with a pipeline; the valve body moves in the axial direction of the cavity through pressure of hydraulic oil, the telescopic mechanism is matched with the second piston, the valve elements blocking the liquid inlet and the liquid outlet are moved away at the same time, the liquid inlet and the liquid outlet can circulate, and when the flow needs to be controlled, the air cylinder and the push rod are matched, the positions of the telescopic mechanism, the second piston and the third piston are changed, and therefore the flow can be controlled. And when the valve body does not need to be used, after hydraulic oil in the oil supply cavity is discharged, the second piston is controlled to push the valve body back to the original position through the counter-acting force of the first spring, operation is easy and convenient, time and labor are saved, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic electromagnetic technical field, concretely is a kind of new energy vehicle hydraulic electromagnetic valve. BACKGROUND

[0002] In the refrigeration system of new energy vehicle, generally, the pressure of inlet pipe is greater than the pressure of outlet pipe when electromagnetic valve works, piston opens, medium flows from inlet pipe to outlet pipe;But, in some complex systems, the pressure of outlet pipe is greater than the pressure of inlet pipe, medium flows from outlet pipe to inlet pipe.

[0003] Prior art cannot control the size of the flow of medium in and out, is not easy to control, reduces work efficiency. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of new energy vehicle hydraulic electromagnetic valve, to solve the problem raised in the above background technique.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of new energy vehicle hydraulic electromagnetic valve, including shell, the top of the shell is equipped with two liquid inlets, the bottom of the shell is equipped with two liquid outlets, the inside of the shell is equipped with cavity, the shell is slidably connected with valve body in cavity, the upper and lower ends of the valve body are all protruded with the valve core matched with liquid inlet and liquid outlet, and the number of valve core corresponds to the number of liquid inlet and the number of liquid outlet respectively, the valve core is abutted to the inner wall of the inside of shell;The side of the valve body is connected with first piston, the other side of the valve body is connected with second piston, the side of the second piston is connected with telescopic mechanism, the side, away from the second piston, of telescopic mechanism is connected with third piston, the inside of the shell is also equipped with installation cavity, the shell is equipped with baffle between installation cavity and cavity, the side of installation cavity is placed with cylinder, the output end of the cylinder is connected with push rod, and one end of push rod passes through baffle and is fixedly connected to third piston, the outer periphery of push rod is equipped with second spring, the two ends of second spring are connected to the side of baffle and the side of third piston respectively;The side of the first piston is equipped with oil supply cavity, and one end of oil supply cavity penetrates one end of shell.

[0006] Preferably, the first piston, the second piston and the third piston are sealingly and slidably connected to the inner wall of the shell.

[0007] Preferably, the telescopic mechanism includes a telescopic rod set and a first spring, the first spring is slidably sleeved on the telescopic rod set, the telescopic rod set includes a first telescopic rod and a sleeve, the sleeve is sleeved on the first telescopic rod, one end of the sleeve, away from the first telescopic rod, is connected to the other side of the third piston, and the other end of the first telescopic rod, away from the sleeve, is connected to the other side of the second piston.

[0008] Preferably, the length of the first telescopic rod, the length of the sleeve and the length of the valve core are equal.

[0009] Preferably, the four valve cores are in sealing sliding connection with the inner side wall of the shell.

[0010] Preferably, the shell is provided with mounting heads on both sides for facilitating installation and fixation, and the mounting heads are provided with mounting holes.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. A new energy vehicle hydraulic electromagnetic valve adopts a shell liquid inlet, a shell liquid outlet, a shell oil supply cavity, a valve body, a valve core, a second piston, a telescopic mechanism, a third piston, a push rod and a cylinder to cooperate with each other, the liquid inlet and the liquid outlet are communicated with pipelines, hydraulic oil is injected into the oil supply cavity, the valve body moves along the cavity axis by the pressure of the hydraulic oil, the telescopic mechanism and the second piston cooperate to remove the valve core blocked in the liquid inlet and the liquid outlet at the same time, so that the liquid inlet and the liquid outlet can flow, when the flow size needs to be controlled, the cylinder and the push rod cooperate, the position of the telescopic mechanism, the second piston and the third piston is changed to control the movement of the valve body, and then the size of the flow is controlled, when the hydraulic oil in the oil supply cavity is discharged, the second piston pushes the valve body back to the original position by the reaction force of the first spring, so that the operation is simple, time and labor are saved, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] In the figure: shell 1, liquid inlet 11, liquid outlet 12, oil supply cavity 13, cavity 14, installation cavity 15, partition 16, mounting head 17, mounting hole 18, valve body 2, valve core 21, first piston 3, second piston 4, telescopic mechanism 5, telescopic rod group 51, first telescopic rod 511, sleeve 512, first spring 52, third piston 6, second spring 7, push rod 8, cylinder 9. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0016] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the position relationship based on the attached Figure 1 The position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated having a specific position, being constructed and operated in a specific position, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0017] In the description of the utility model, it is necessary to explain that, unless otherwise expressly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0018] For example, Figure 1As shown, the embodiment of the new energy vehicle hydraulic electromagnetic valve, including the shell 1, the top of the shell 1 is provided with two liquid inlet 11, the bottom of the shell 1 is provided with two liquid outlet 12, the inside of the shell 1 is provided with a cavity 14, the shell 1 is located in the cavity 14 slidingly connected with valve body 2, the upper and lower ends of the valve body 2 are provided with valve core 21 matched with the liquid inlet 11 and the liquid outlet 12, and the number of valve core 21 corresponds to the number of liquid inlet 11 and the number of liquid outlet 12 respectively, the valve core 21 abuts on the inner wall of the both ends of the shell 1;The one side of the valve body 2 is connected with the first piston 3, the other side of the valve body 2 is connected with the second piston 4, one side of the second piston 4 is connected with the telescopic mechanism 5, the side away from the second piston 4 of the telescopic mechanism 5 is connected with the third piston 6, the inside of the shell 1 is further provided with a placement cavity 15, the shell 1 is located between the placement cavity 15 and the cavity 14 and is provided with a partition plate 16, one side of the placement cavity 15 is provided with a cylinder 9, the output end of the cylinder 9 is connected with a push rod 8, and one end of the push rod 8 penetrates through the partition plate 16 and is fixedly connected to the third piston 6, the outer periphery of the push rod 8 is sleeved with a second spring 7, and the two ends of the second spring 7 are connected to one side of the partition plate 16 and one side of the third piston 6 respectively;The one side of the first piston 3 is provided with an oil supply cavity 13, and one end of the oil supply cavity 13 penetrates one end of the shell 1, the liquid inlet 11 and the liquid outlet 12 are connected with the pipeline, the hydraulic oil is injected into the oil supply cavity 13, the valve body 2 moves along the cavity 14 by the pressure of the hydraulic oil, the telescopic mechanism 5 and the second piston 4 are movably connected, the valve core 21 blocked in the liquid inlet 11 and the liquid outlet 12 is removed at the same time, so that the liquid inlet 11 and the liquid outlet 12 can flow, when the flow size needs to be controlled, the cylinder 9 is started, the push rod 8 pushes the third piston 6 to move axially along the cavity 14, the position of the telescopic mechanism 5 and the second piston 4 is changed to control the movement of the valve body 2, and then the size of the flow is controlled, when it is not needed to use, the hydraulic oil in the oil supply cavity 13 is discharged, the second piston 4 pushes the valve body 2 back to the original position by the reaction force of the first spring 52, which is simple to operate, saves time and effort, and improves work efficiency.

[0019] Further, the first piston 3, the second piston 4 and the third piston 6 are sealingly and slidably connected with the inner wall of the shell 1, and the first piston 3, the second piston 4 and the third piston 6 are sealingly connected with the inner wall of the shell 1 to enhance the air tightness of the cavity 14, thereby improving the sealing property of the utility model and avoiding liquid leakage of the liquid in the cavity 14.

[0020] Further, the telescopic mechanism 5 comprises a telescopic rod set 51 and a first spring 52, the first spring 52 is sleeved on the telescopic rod set 51, the telescopic rod set 51 comprises a first telescopic rod 511 and a sleeve 512, the sleeve 512 is sleeved on the first telescopic rod 511, one end of the sleeve 512 away from the first telescopic rod 511 is connected to the other side of the third piston 6, one end of the first telescopic rod 511 away from the sleeve 512 is connected to the other side of the second piston 4, the first telescopic rod 511 is received in the sleeve 512, the telescopic work of the utility model is realized, further, when the utility model is not needed, the valve body 2 is moved to the original position through the reaction force of the first spring 52, the reset work convenience of the utility model is improved.

[0021] Further, the length of the first telescopic rod 511, the length of the sleeve 512 and the length of the valve core 21 are equal, through the equal length, when the flow size is not needed to be controlled, the liquid inlet 11 and the liquid outlet 12 are not in contact with the valve core 21, the liquid inlet 11 and the liquid outlet 12 of the utility model can be completely opened, thereby the flow efficiency of the utility model is improved.

[0022] Further, the four valve cores 21 are sealingly and slidably connected to the inner side wall of the shell 1, through the sealing connection, the air tightness between the valve core 21 and the shell 1 is improved, and further the sealing property between the valve core 21 and the shell 1 of the utility model is improved.

[0023] Further, the shell 1 is provided with a mounting head 17 on both sides for convenient mounting and fixing, the mounting head 17 is provided with a mounting hole 18, the utility model is mounted and fixed with the new energy vehicle through the mounting head 17, and the mounting convenience of the utility model is improved.

[0024] Finally, it should be pointed out that: the above-mentioned is only the preferred embodiment of the utility model and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A new energy vehicle hydraulic electromagnetic valve comprising a shell, characterized in that: The top end of the shell is provided with two liquid inlets, the bottom end of the shell is provided with two liquid outlets, the inside of the shell is provided with a cavity, the shell is slidably connected with a valve body in the cavity, the upper and lower ends of the valve body are provided with valve cores matched with the liquid inlets and the liquid outlets, and the number of the valve cores corresponds to the number of the liquid inlets and the number of the liquid outlets respectively, and the valve cores abut against the inner walls of the two ends of the shell; one side of the valve body is connected with a first piston, the other side of the valve body is connected with a second piston, one side of the second piston is connected with an extension mechanism, the side, away from the second piston, of the extension mechanism is connected with a third piston, the inside of the shell is further provided with a placement cavity, the shell is provided with a partition plate between the placement cavity and the cavity, one side of the placement cavity is provided with a gas cylinder, the output end of the gas cylinder is connected with a push rod, one end of the push rod penetrates through the partition plate and is fixedly connected to the third piston, the outer periphery of the push rod is sleeved with a second spring, and the two ends of the second spring are connected to one side of the partition plate and one side of the third piston respectively; one side of the first piston is provided with an oil supply cavity, and one end of the oil supply cavity penetrates through one end of the shell.

2. The hydraulic solenoid valve for a new energy vehicle according to claim 1, characterized in that: The first piston, the second piston and the third piston are in sealing and sliding connection with the inner wall of the shell.

3. The hydraulic solenoid valve for a new energy vehicle according to claim 1, characterized in that: The extension mechanism comprises an extension rod group and a first spring, the first spring is slidably sleeved on the extension rod group, the extension rod group comprises a first extension rod and a sleeve, the sleeve is sleeved on the first extension rod, one end of the sleeve, away from the first extension rod, is connected to the other side of the third piston, and one end of the first extension rod, away from the sleeve, is connected to the other side of the second piston.

4. The hydraulic solenoid valve for a new energy vehicle according to claim 3, characterized in that: The length of the first extension rod, the length of the sleeve and the length of the valve core are equal.

5. The hydraulic solenoid valve for a new energy vehicle according to claim 1, characterized in that: The four valve cores are in sealing and sliding connection with the inner side wall of the shell.

6. The hydraulic solenoid valve for a new energy vehicle according to claim 1, characterized in that: Both sides of the shell are provided with mounting heads facilitating installation and fixation, and the mounting heads are provided with mounting holes. Both sides of the shell are provided with mounting heads facilitating installation and fixation, and the mounting heads are provided with mounting holes.

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