Automotive electronic expansion valve convenient to disassemble and assemble

Abstract

The utility model provides an automotive electronic expansion valve convenient to disassemble and assemble, which belongs to the technical field of electronic expansion valves and comprises a protective shell and a quick disassembly and assembly component, one side of a moving rod is fixedly connected with one moving plate, a plurality of first connectors are arranged at the bottom of the moving rod, and double-hook springs are hooked in the first connectors. Second connectors are arranged at the ends of the multiple double-hook springs in a hooked mode, the bottoms of the multiple second connectors are fixedly connected with the bottom of the inner wall of the clamping device, a damping rod spring is arranged on the other side of the moving rod, one side of the damping rod spring is fixedly connected with the other moving plate, and a structure opposite to the bottom of the auxiliary block is arranged on the top of the auxiliary block. Clamping heads are arranged on one sides of the two moving plates, the ends of the two clamping heads penetrate through the clamping devices to be connected with the inserting grooves in a penetrating and inserting mode, sliding grooves are formed in one ends of the clamping devices, holding handles are arranged at one ends of the two moving plates, and the outer walls of the two holding handles are connected with the sliding grooves in a sliding mode.

Description

Technical Field

[0001] The utility model belongs to the technical field of electronic expansion valves, and in particular relates to a vehicle electronic expansion valve which is easy to disassemble and assemble. Background Art

[0002] In the refrigeration system, the electronic expansion valve is installed between the liquid receiver and the evaporator. Its functions include throttling and reducing the pressure of the high-pressure liquid refrigerant from the liquid receiver, and regulating and controlling the refrigerant flow into the evaporator. After searching, the application number "CN201922255287.3" discloses "an electronic expansion valve for vehicles and vehicles that are easy to disassemble and assemble", which records "simple structure and easy to use, by adding a quick-release structure between the valve seat and the coil assembly, and adding a compression spring between the valve core component and the valve seat, the quick-release structure and the compression spring are combined to achieve the rapid fixation of the three positions. The electronic expansion valve is fixed, so that there is no need to use special tools to tighten or loosen it when installing or disassembling it, which effectively reduces the difficulty of the assembly process and the time cost of installation; further, the two quick-release structure implementation schemes disclosed in the utility model not only have the advantages of simple structure and convenient processing, but also can effectively prevent water and dust from falling into the coil and causing rust. The quick fixation of the three positions is achieved by the cooperation of the quick-release structure and the compression spring, which does make it possible to tighten or loosen the electronic expansion valve when installing or disassembling it, but there are still the following problems in actual use:

[0003] In actual use, it still needs to be twisted, which is less efficient when twisting.

[0004] Based on this, it is extremely practical to provide an electronic expansion valve that can be disassembled and assembled more quickly. Utility Model Content

[0005] The utility model aims to provide a vehicle electronic expansion valve which is easy to disassemble and assemble, aiming to solve the above technical problems.

[0006] The embodiment of the utility model provides a vehicle electronic expansion valve which is easy to disassemble and assemble, and comprises a protective shell and a quick disassembly assembly component.

[0007] Wherein, the outer wall of the protective shell is provided with a connecting ring, the top of the connecting ring is provided with two limiting strips, and the ends of the two limiting strips are provided with slots;

[0008] The quick disassembly and assembly component includes a coil assembly movably and slidably connected to the outer wall of the protective shell, two connectors are arranged at the bottom of the coil assembly, the top and bottom of the inner wall of the connector are arranged with sliding guide rails, the two sliding guide rails are internally slidably connected with two moving plates, the middle parts of the two sliding guide rails are arranged with a plurality of fixed frames, the middles of the plurality of fixed frames are arranged with auxiliary blocks, the bottom of the auxiliary blocks is slidably connected with a moving rod, one side of the moving rod is fixedly connected with one of the moving plates, the bottom of the moving rod is arranged with a plurality of first connectors, and the interiors of the plurality of first connectors are all provided with double hooks Spring, the ends of several double-hook springs are hooked with a second connecting head, the bottoms of several second connecting heads are fixedly connected to the bottom of the inner wall of the connector, a damping rod spring is provided on the other side of the moving rod, one side of the damping rod spring is fixedly connected to another moving plate, the top of the auxiliary block is provided with a structure opposite to its bottom, one side of the two moving plates is provided with a card joint, the ends of the two card joints pass through the connector and are connected with the slot, a sliding groove is provided at one end of the connector, and a gripping handle is provided at one end of the two moving plates, and the outer walls of the two gripping handles are slidably connected to the sliding groove.

[0009] In one embodiment of the utility model, the inner wall of the protective shell is rotatably connected to a rotor, the inner wall of the rotor is provided with two sliders, and the interiors of the two sliders are both slidably connected to connecting rods.

[0010] In one embodiment of the utility model, a protective cap is provided in the middle of the bottom of the two connecting rods, a valve stem is provided at the bottom of the protective cap, a thread is provided on the top of the outer wall of the valve stem, a fixed disk is threadedly connected to the outer wall of the valve stem, the outer wall of the fixed disk is fixedly connected to the inner wall of the protective shell, and the outer wall of the valve stem is slidably connected to the bottom of the inner wall of the protective shell.

[0011] In one embodiment of the utility model, a valve body is provided at the bottom of the protective shell, one end of the valve body is sealed and connected to an air inlet pipe, an air outlet is opened at the bottom of the valve body, and a valve seat is provided on the inner wall of the valve body.

[0012] In one embodiment of the utility model, the top of the coil assembly is provided with a structure identical to a quick disassembly assembly, and the top of the structure identical to the quick disassembly assembly provided on the top of the coil assembly is provided with an automobile connector.

[0013] In an implementation manner of the utility model, one side of the grip is provided with anti-slip grooves.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The provided holding handle makes it convenient for the user to separate the coil assembly from the protective shell and its valve body when it is necessary to do so. The user pinches the two holding handles and applies force toward the middle, and then the two holding handles are brought together. The movement of the holding handles will drive the moving plate to move, and the movement of the moving plate will drive the two moving rods to move toward the middle on the auxiliary block. When the moving rod moves, the double-hook spring will be expanded and then force will be accumulated through the first connecting head and the second connecting head, and when the moving rod moves, the damping rod spring will also contract and accumulate force, and then wait for the release opportunity. It should be noted that "the movement of the moving plate will cause the card connector to contract", and at this time the user inserts the card connector into the gap in the middle of the limit strip and releases the holding handle to make the force on the double-hook spring and the damping rod spring disappear, and then drive the moving rod to reset, and then the moving plate drives the card connector to reset, so that the card connector is stuck in the slot in the limit strip. When disassembling, the above actions are repeated to achieve the purpose of quick disassembly, thereby achieving the purpose of quick disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the protective shell of the utility model;

[0020] Figure 4 The figure is a schematic diagram of the internal structure of the card connector of the utility model.

[0021] In the figure: 100, protective shell; 110, connecting ring; 120, limit strip; 200, quick disassembly assembly; 210, coil assembly; 220, connector; 230, sliding guide rail; 240, fixing frame; 250, auxiliary block; 260, moving rod; 270, first connecting head; 280, double hook spring; 290, second connecting head; 2910, damping rod spring; 2920, connector; 2930, gripping handle; 300, rotor; 400, slider; 500, connecting rod; 600, protective cap; 700, valve stem; 800, fixing plate; 900, valve body; 1000, intake pipe; 1100, valve seat. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-4 A vehicle electronic expansion valve that is easy to disassemble and assemble includes a protective shell 100 and a quick disassembly assembly 200.

[0025] For details, please refer to Figure 1 A connecting ring 110 is disposed on the outer wall of the protective shell 100 , and two limiting bars 120 are disposed on the top of the connecting ring 110 , and slots are provided at the ends of the two limiting bars 120 .

[0026] See also Figure 1-4 The quick disassembly assembly 200 includes a coil assembly 210 movably and slidably connected to the outer wall of the protective shell 100, two card connectors 220 are arranged at the bottom of the coil assembly 210, and the top and bottom of the inner wall of the card connector 220 are both provided with sliding guide rails 230, and the two sliding guide rails 230 are internally slidably connected with two moving plates, and the middle of the two sliding guide rails 230 are both provided with a plurality of fixed frames 240, and the middle of the plurality of fixed frames 240 is provided with an auxiliary block 250, and the bottom of the auxiliary block 250 is slidably connected with a moving rod 260, and one side of the moving rod 260 is fixedly connected to one of the moving plates, and the bottom of the moving rod 260 is provided with a plurality of first connectors 270, and the interiors of the plurality of first connectors 270 are all provided with hooks A double-hook spring 280, the ends of several double-hook springs 280 are hooked with a second connecting head 290, the bottoms of several second connecting heads 290 are fixedly connected to the bottom of the inner wall of the connector 220, a damping rod spring 2910 is arranged on the other side of the moving rod 260, one side of the damping rod spring 2910 is fixedly connected to another moving plate, the top of the auxiliary block 250 is provided with a structure opposite to its bottom, one side of the two moving plates are provided with a card joint 2920, the ends of the two card joints 2920 are connected through the connector 220 and the slots, a slide groove is provided at one end of the connector 220, and a gripping handle 2930 is provided at one end of the two moving plates, and the outer walls of the two gripping handles 2930 are slidably connected to the slide groove.

[0027] In a specific embodiment, the provided gripping handle 2930 facilitates the user to separate the coil assembly 210 from the protective shell 100 and the valve body 900 by pinching the two gripping handles 2930 and applying force to the middle, thereby bringing the two gripping handles 2930 closer to the middle. The movement of the gripping handles 2930 will drive the moving plate to move, and the movement of the moving plate will drive the two moving rods 260 to move toward the middle of the auxiliary block 250. When the moving rod 260 moves, the double-hook spring 280 will be expanded and then stored through the first connector 270 and the second connector 290, and when the moving rod 260 moves At the same time, the damping rod spring 2910 will contract and accumulate force, and then wait for the release opportunity. It should be noted that "the movement of the moving plate will cause the card joint 2920 to contract". At this time, the user inserts the card connector 220 into the gap in the middle of the limit strip 120 and releases the grip 2930, so that the force exerted on the double hook spring 280 and the damping rod spring 2910 disappears, and then drives the moving rod 260 to reset, and then the moving plate drives the card joint 2920 to reset, so that the card joint 2920 is stuck in the slot in the limit strip 120. When disassembling, repeat the above actions to achieve the purpose of quick disassembly, thereby achieving the purpose of quick disassembly and assembly.

[0028] See also Figure 3 The inner wall of the protective shell 100 is rotatably connected to the rotor 300 , and the inner wall of the rotor 300 is provided with two sliders 400 , and the interiors of the two sliders 400 are both slidably connected to the connecting rods 500 .

[0029] In a specific embodiment, the rotor 300 is provided to facilitate the rotation of the rotor 300 under the action of the coil assembly 210, thereby driving the slider 400 to rotate, the slider 400 rotates and then the connecting rod 500 rotates, the connecting rod 500 rotates to drive the protective cap 600 to rotate, the protective cap 600 drives the valve stem 700 to rotate, the valve stem 700 rotates and then moves itself downward or upward through the cooperation of the external thread and the fixed plate 800, and then the connecting rod 500 in the slider 400 follows its movement to avoid jamming, thereby achieving the purpose of the valve stem 700 blocking or releasing the valve seat 1100.

[0030] See also Figure 3 A protective cap 600 is provided in the middle of the bottom of the two connecting rods 500, a valve stem 700 is provided at the bottom of the protective cap 600, a thread is provided on the top of the outer wall of the valve stem 700, a fixed plate 800 is threadedly connected to the outer wall of the valve stem 700, the outer wall of the fixed plate 800 is fixedly connected to the inner wall of the protective shell 100, and the outer wall of the valve stem 700 is slidably connected to the bottom of the inner wall of the protective shell 100.

[0031] In a specific embodiment, by providing a fixing plate 800, the valve stem 700 can be conveniently matched with the fixing plate 800 through an external thread during use, and then can move itself upward or downward.

[0032] See also Figure 3 A valve body 900 is disposed at the bottom of the protective shell 100 , one end of the valve body 900 is sealed and connected to an air inlet pipe 1000 , an air outlet hole is opened at the bottom of the valve body 900 , and a valve seat 1100 is disposed on the inner wall of the valve body 900 .

[0033] In a specific embodiment, the air inlet pipe 1000 is provided to facilitate connection with an external pipeline, and then the gas or other liquid enters the valve body 900 through the air inlet pipe 1000 and is discharged from the air outlet through the valve seat 1100.

[0034] See also Figure 1 The top of the coil assembly 210 is provided with a structure identical to the quick disassembly assembly 200 , and the top of the coil assembly 210 is provided with a structure identical to the quick disassembly assembly 200 , and an automobile connector is provided on the top of the quick disassembly assembly 200 .

[0035] In a specific embodiment, by providing a car connecting piece with the same structure as the quick disassembly assembly 200, it is convenient for users to connect the device to the car, thereby improving work efficiency.

[0036] See also Figure 4 One side of the grip 2930 is provided with anti-slip grooves.

[0037] In a specific embodiment, the anti-slip grooves are provided to prevent the hand from slipping when pinching the grip 2930 during use, thereby improving work efficiency.

[0038] When in use, first, the provided gripping handle 2930 is used to facilitate the user to separate the coil assembly 210 from the protective shell 100 and the valve body 900. The user pinches the two gripping handles 2930 and applies force toward the middle, so that the two gripping handles 2930 move toward the middle. The movement of the gripping handles 2930 will drive the moving plate to move, and the movement of the moving plate will drive the two moving rods 260 to move toward the middle of the auxiliary block 250. When the moving rods 260 move, they will pass through the first connector 270 The second connector 290 causes the double hook spring 280 to expand and then store force, and when the moving rod 260 moves, the damping rod spring 2910 will also contract and store force, and then wait for the release opportunity. Then it should be noted that "the movement of the moving plate will cause the card connector 2920 to contract", and at this time the user inserts the card connector 220 into the gap in the middle of the limit strip 120 and releases the grip 2930, so that the force on the double hook spring 280 and the damping rod spring 2910 disappears, and then drives the moving rod 260 to reset, and then makes The movable plate drives the card joint 2920 to reset, so that the card joint 2920 is inserted into the slot in the limit strip 120. When disassembling, the above actions are repeated to achieve the purpose of quick disassembly, thereby achieving the purpose of quick disassembly and assembly. Then, through the provided rotor 300, the rotor 300 is conveniently rotated under the action of the coil assembly 210, and then the slider 400 is driven to rotate. The rotation of the slider 400 then causes the connecting rod 500 to rotate. The rotation of the connecting rod 500 will drive the protective cap 600 to rotate, and the protective cap 600 drives the valve stem. 700 rotates, the valve stem 700 rotates and then moves downward or upward through the cooperation of the external thread and the fixed disk 800, and then the connecting rod 500 in the slider 400 follows its movement to avoid getting stuck, and then the valve stem 700 blocks or releases the valve seat 1100, and finally through the provided air inlet pipe 1000, it is convenient to connect with an external pipeline, and then the gas or other liquid enters the valve body 900 through the air inlet pipe 1000, and is discharged from the air outlet through the valve seat 1100.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An electronic expansion valve for a vehicle that is easy to disassemble and assemble, characterized in that: include: A protective shell (100), wherein the outer wall of the protective shell (100) is provided with a connecting ring (110), the top of the connecting ring (110) is provided with two limiting strips (120), and the ends of the two limiting strips (120) are provided with slots; A quick disassembly assembly (200), the quick disassembly assembly (200) comprising a coil assembly (210) movably slidably connected to the outer wall of a protective shell (100), two connectors (220) being arranged at the bottom of the coil assembly (210), the top and bottom of the inner wall of the connector (220) being arranged with sliding guide rails (230), the interiors of the two sliding guide rails (230) being slidably connected to two moving plates, a plurality of fixed frames (240) being arranged at the middle of the two sliding guide rails (230), an auxiliary block (250) being arranged in the middle of the plurality of fixed frames (240), a moving rod (260) being slidably connected to the bottom of the auxiliary block (250), one side of the moving rod (260) being fixedly connected to one of the moving plates, a plurality of first connectors (270) being arranged at the bottom of the moving rod (260), the plurality of first connectors (270) being arranged at the bottom of the moving rod (260), ) are hooked with double-hook springs (280) inside, and the ends of several double-hook springs (280) are hooked with second connectors (290), and the bottoms of several second connectors (290) are fixedly connected to the bottom of the inner wall of the connector (220), and the other side of the moving rod (260) is provided with a damping rod spring (2910), and one side of the damping rod spring (2910) is fixedly connected to another moving plate, and the top of the auxiliary block (250) is provided with a structure opposite to its bottom, and one side of the two moving plates is provided with a card joint (2920), and the ends of the two card joints (2920) penetrate the connector (220) and are connected with the slot through the card joint, and one end of the connector (220) is provided with a slide groove, and one end of the two moving plates is provided with a gripping handle (2930), and the outer walls of the two gripping handles (2930) are slidably connected to the slide groove.

2. The electronic expansion valve for a vehicle that is easy to disassemble and assemble according to claim 1, characterized in that: The inner wall of the protective shell (100) is rotatably connected to a rotor (300), the inner wall of the rotor (300) is provided with two sliders (400), and the interiors of the two sliders (400) are both slidably connected to connecting rods (500).

3. The electronic expansion valve for a vehicle that is easy to disassemble and assemble according to claim 2, characterized in that: A protective cap (600) is arranged in the middle of the bottom of the two connecting rods (500), a valve stem (700) is arranged at the bottom of the protective cap (600), a thread is provided at the top of the outer wall of the valve stem (700), a fixing plate (800) is threadedly connected to the outer wall of the valve stem (700), the outer wall of the fixing plate (800) is fixedly connected to the inner wall of the protective shell (100), and the outer wall of the valve stem (700) is slidably connected to the bottom of the inner wall of the protective shell (100).

4. The electronic expansion valve for a vehicle that is easy to disassemble and assemble according to claim 3, characterized in that: A valve body (900) is provided at the bottom of the protective shell (100), one end of the valve body (900) is sealed and connected to an air inlet pipe (1000), an air outlet hole is provided at the bottom of the valve body (900), and a valve seat (1100) is provided on the inner wall of the valve body (900).

5. The electronic expansion valve for a vehicle that is easy to assemble and disassemble according to claim 1, characterized in that: The top of the coil assembly (210) is provided with a structure identical to that of the quick disassembly assembly (200), and the top of the quick disassembly assembly (200) provided on the top of the coil assembly (210) is provided with a vehicle connector.

6. The electronic expansion valve for a vehicle that is easy to disassemble and assemble according to claim 1, characterized in that: One side of the grip (2930) is provided with anti-slip grooves.

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