Refrigerant filling device for automobile air conditioner

Abstract

The utility model relates to the technical field of automobile air conditioners, in particular to an automobile air conditioner refrigerant filling device which comprises a tank body, four supporting columns and four limiting assemblies, the four supporting columns are fixedly connected with the tank body and located below the tank body, a connecting rod is arranged in the tank body, and the four limiting assemblies are arranged below the connecting rod. Each limiting assembly comprises a side plate, a clamping block, a telescopic rod and a spring, the side plate is fixedly connected with the connecting rod and located on one side of the connecting rod, a cavity is formed in one end of the side plate, the clamping block is slidably connected with the side plate and located on one side of the side plate, one end of the telescopic rod is fixedly connected with the clamping block, and the other end of the telescopic rod is fixedly connected with the side plate and located in the cavity; through the arrangement of the structure, the problems that in the prior art, when refrigerants are injected, the refrigerants are likely to flow back, and certain danger exists are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile air conditioner, especially to a kind of automobile air conditioner refrigerant filling device. BACKGROUND

[0002] The main role of automobile air conditioner refrigerant is to cool the evaporator, so that the air conditioner outlet blows cold air. When the AC button is pressed, the clutch of the compressor will be combined, and the engine drives the compressor to operate. The refrigerant is compressed and transported into the evaporator. In the evaporator, the refrigerant expands and absorbs heat, cools the evaporator, and then cools the wind blown by the blower, and finally blows cold air from the air conditioner outlet.

[0003] In the prior art, the patent document with publication number (CN209230103U) mentions a kind of automobile air conditioner refrigerant filler, including tank body, the upper end of tank body is equipped with shell, the side of shell is equipped with interface, the inner side of shell is inserted and equipped with top center, the one end of top center and located the inner side of interface is equipped with sealing ring, the side of tank body is equipped with handle, the inside bottom end of tank body is equipped with lifting device, wherein, lifting device includes base, the inner side of base is hollow structure, and the side of base is connected with the inside of tank body, the inner side of base is equipped with sleeve, the one end of sleeve and located the inside of base is equipped with gear one, the side of gear one is equipped with gear two matched with gear one, the one end of gear two is connected with the output shaft of motor, sleeve is equipped with movable pipe, the one end of movable pipe away from sleeve is equipped with top plate, the side of sleeve is equipped with limit slot, limit slot is equipped with limit column matched with limit slot in limit slot, the side of interface is equipped with several clamping grooves, the other end of top center and the connecting place of tank body is equipped with sealing pad.

[0004] But the prior art above, when filling refrigerant, refrigerant is easy to backwash, has certain dangerousness. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of automobile air conditioner refrigerant filling device, solve the prior art, when filling refrigerant, refrigerant is easy to backwash, has certain dangerousness Problem.

[0006] In order to achieve the above object, the utility model provides a kind of automobile air conditioner refrigerant filling device, including tank body, four support columns and four limiting components, four The support column is fixedly connected with the tank body, and is located below the tank body, the connecting rod is arranged inside the tank body, four The limiting component is arranged below the connecting rod, each limiting component includes side plate, clamping block, telescopic rod and spring, the side plate is fixedly connected with the connecting rod, and is located on the side of the connecting rod, one end of the side plate is provided with cavity, the clamping block is slidably connected with the side plate, and is located on the side of the side plate, one end of the telescopic rod is fixedly connected with the clamping block, the other end of the telescopic rod is fixedly connected with the side plate, and is located inside the cavity, the spring is covered inside the telescopic rod, the clamping block is connected with the tank body.

[0007] Among them, the side wall of the tank body is uniformly provided with several clamping grooves, one side of the clamping groove is inclined, one end of the clamping block is triangular, the clamping block is matched with the clamping groove.

[0008] Among them, the limiting component further includes two limiting strips, two The limiting strip is fixedly connected with the tank body, and is located on the two sides of the side plate.

[0009] Among them, one end of the clamping block is provided with a limiting block, the limiting block is fixedly connected with the clamping block, and is located inside the cavity, the limiting block is matched with the cavity.

[0010] Among them, the automobile air conditioner refrigerant filling device further includes a push plate, a connecting pipe and a valve, the push plate is fixedly connected with the connecting rod, and is located above the connecting rod, the connecting pipe is fixedly connected with the tank body, and is located above the tank body, the valve is detachably connected with the connecting pipe, and is located in the middle segment of the connecting pipe.

[0011] The utility model discloses a kind of automobile air conditioner refrigerant filling devices, the connecting rod is arranged in the inside of the tank body, four the limiting components are arranged below the connecting rod, the side plate is fixedly connected with the connecting rod, and located in the side of the connecting rod, one end of the side plate is provided with cavity, the clamping block is slidably connected with the side plate, and located in the side of the side plate, one end of the telescopic rod is fixedly connected with the clamping block, the other end of the telescopic rod is fixedly connected with the side plate, and located in the inside of the cavity, the spring is covered in the inside of the telescopic rod, the clamping block is connected with the tank body, the tank body is provided with pneumatic cylinder below, the pneumatic cylinder pushes the connecting rod, pushes out refrigerant inside the tank body, the connecting rod drives the side plate to move correspondingly, the clamping block is clamped in the inside of the tank body, when the connecting rod moves upwards, the telescopic rod and the spring are retracted correspondingly, if refrigerant backwash appears, the clamping block is clamped on the tank body, prevent the connecting rod from moving downwards, can effectively prevent refrigerant backwash. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0013] Figure 1 It is the structure schematic diagram of the utility model automobile air conditioner refrigerant filling device.

[0014] Figure 2 It is the front view of the utility model automobile air conditioner refrigerant filling device.

[0015] Figure 3 It is the A-A line section view of the utility model Figure 2 .

[0016] Figure 4 It is the structure schematic diagram of the B of the utility model Figure 3 .

[0017] 1-tank body, 2-supporting column, 3-connecting rod, 4-pushing plate, 5-connecting pipe, 6-valve, 7-side plate, 8-clamping block, 9-telescopic rod, 10-limiting strip, 11-limiting block, 12-spring, 13-pneumatic cylinder, 14-clamping groove, 15-cavity. DETAILED DESCRIPTION

[0018] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, and the embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0019] Please refer to Figures 1-4 , wherein, Figure 1 is a structural schematic view of the automobile air conditioner refrigerant filling device of the present application, Figure 2 is a front view of the automobile air conditioner refrigerant filling device of the present application, Figure 3 is a sectional view of A-A line of the automobile air conditioner refrigerant filling device of the present application, Figure 2 is a sectional view of B of the automobile air conditioner refrigerant filling device of the present application, Figure 4 is a structural schematic view of B of the automobile air conditioner refrigerant filling device of the present application. Figure 3

[0020] The present application provides an automobile air conditioner refrigerant filling device, which comprises a tank body 1, four supporting columns 2, a connecting rod 3, a push plate 4, a connecting pipe 5, a valve 6 and four limiting assemblies, each limiting assembly comprises a side plate 7, a clamping block 8, an extension rod 9, two limiting strips 10 and a spring 12, and the foregoing scheme solves the problem that the existing technology has a certain risk of reverse filling of refrigerant when filling the refrigerant.

[0021] For the specific embodiment, the four supporting columns 2 are fixedly connected with the tank body 1 and located below the tank body 1, the connecting rod 3 is arranged inside the tank body 1, the four limiting assemblies are arranged below the connecting rod 3, the side plate 7 is fixedly connected with the connecting rod 3 and located on one side of the connecting rod 3, one end of the side plate 7 is provided with a cavity 15, the clamping block 8 is slidingly connected with the side plate 7 and located on one side of the side plate 7, one end of the extension rod 9 is fixedly connected with the clamping block 8, the other end of the extension rod 9 is fixedly connected with the side plate 7 and located inside the cavity 15, the spring 12 is wrapped inside the extension rod 9, the clamping block 8 is clamped with the tank body 1, a cylinder 13 is arranged below the tank body 1, the cylinder 13 pushes the connecting rod 3 to push the refrigerant inside the tank body 1 out, the connecting rod 3 drives the side plate 7 to move correspondingly, the clamping block 8 is clamped inside the tank body 1, when the connecting rod 3 moves upward, the extension rod 9 and the spring 12 shrink correspondingly, if the refrigerant is reverse filled, the clamping block 8 is clamped on the tank body 1, preventing the connecting rod 3 from moving downward, which can effectively prevent the reverse filling of the refrigerant.

[0022] ​The side wall of the tank body 1 is uniformly provided with a plurality of clamping grooves 14, one side of the clamping groove 14 is inclined, one end of the clamping block 8 is triangular, the clamping block 8 is matched with the clamping groove 14, the clamping block 8 is clamped in the clamping groove 14, and the clamping block 8 is retracted into the cavity 15 under the limitation of the clamping groove 14 when the connecting rod 3 moves upwards.

[0023] Secondly, the two limiting strips 10 are fixedly connected with the tank body 1 and located on the two sides of the side plate 7, the limiting strip 10 limits the moving direction of the side plate 7, and the stability of the side plate 7 and the connecting rod 3 is improved.

[0024] Secondly, one end of the clamping block 8 is provided with a limiting block 11, the limiting block 11 is fixedly connected with the clamping block 8 and located in the cavity 15, the limiting block 11 is matched with the cavity 15, the limiting block 11 is clamped in the cavity 15, and the stability of the clamping block 8 is improved.

[0025] In addition, the pushing plate 4 is fixedly connected with the connecting rod 3 and located above the connecting rod 3, the connecting pipe 5 is fixedly connected with the tank body 1 and located above the tank body 1, the valve 6 is detachably connected with the connecting pipe 5 and located at the middle section of the connecting pipe 5, the cylinder 13 pushes the connecting rod 3, the connecting rod 3 drives the pushing plate 4 to move, the refrigerant is pushed out of the tank body 1, the valve 6 is opened, and the refrigerant is discharged through the connecting pipe 5.

[0026] When the utility model is used, the cylinder 13 pushes the connecting rod 3, the refrigerant in the tank body 1 is pushed out, the connecting rod 3 drives the side plate 7 to move correspondingly, the connecting rod 3 drives the pushing plate 4 to move, the refrigerant is pushed out of the tank body 1, the valve 6 is opened, and the refrigerant is discharged through the connecting pipe 5, when the connecting rod 3 moves upwards, the telescopic rod 9 and the spring 12 are retracted correspondingly, the clamping block 8 is retracted into the side plate 7, the limiting block 11 is clamped in the cavity 15, the stability of the clamping block 8 is improved, if the refrigerant is backfilled, the clamping block 8 is clamped in the clamping groove 14, the connecting rod 3 cannot move downwards, and the backfilling of the refrigerant can be effectively prevented.

[0027] The above only discloses one or more preferred embodiments of the application, and cannot limit the scope of the application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the application still belong to the scope of the application.

Claims

1. A refrigerant charging device for automotive air conditioning, comprising a tank and four support columns, wherein the four support columns are fixedly connected to the tank and located below the tank, characterized in that, It also includes a connecting rod and four limiting components, the connecting rod being disposed inside the tank body and the four limiting components being disposed below the connecting rod; Each of the limiting components includes a side plate, a locking block, a telescopic rod, and a spring. The side plate is fixedly connected to the connecting rod and located on one side of the connecting rod. One end of the side plate is provided with a cavity. The locking block is slidably connected to the side plate and located on one side of the side plate. One end of the telescopic rod is fixedly connected to the locking block, and the other end of the telescopic rod is fixedly connected to the side plate and located inside the cavity. The spring is encased inside the telescopic rod, and the locking block engages with the tank body.

2. The automotive air conditioning refrigerant charging device as described in claim 1, characterized in that, The side wall of the tank is evenly provided with several slots, one side of which is inclined, and one end of the card block is triangular, and the card block is adapted to the slot.

3. The automotive air conditioning refrigerant charging device as described in claim 2, characterized in that, The limiting component also includes two limiting strips, which are fixedly connected to the tank body and located on both sides of the side plate.

4. The automotive air conditioning refrigerant charging device as described in claim 3, characterized in that, One end of the card block is provided with a limiting block, which is fixedly connected to the card block and located inside the cavity. The limiting block is adapted to the cavity.

5. The automotive air conditioning refrigerant charging device as described in claim 4, characterized in that, The automotive air conditioning refrigerant charging device also includes a push plate, a connecting pipe, and a valve. The push plate is fixedly connected to the connecting rod and is located above the connecting rod. The connecting pipe is fixedly connected to the tank and is located above the tank. The valve is detachably connected to the connecting pipe and is located in the middle section of the connecting pipe.

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