Special tool for vacuum replacement of anti-freezing solution

Abstract

The utility model relates to the technical field of maintenance of coal mine transport vehicles, in particular to a special tool for vacuum replacement of anti-freezing solution, which comprises a vacuum pump, a main body belt cover, a rubber bushing, a first connecting pipe, a valve, a second connecting pipe, a rat tail interface, a quick interface, a coolant hose, a detection component and a storage component, a first connecting pipe is arranged below the vacuum pump, a valve is arranged on the outer side of the first connecting pipe, a second connecting pipe is arranged at one end of the first connecting pipe, a rat tail connector is arranged at one end of the second connecting pipe, and a quick connector is arranged outside the rat tail connector; a coolant hose is arranged outside the quick connector, a detection assembly is arranged on one side of the vacuum pump, and a storage assembly is arranged on the outer side of the second connecting pipe. The tool is light in weight, small in size, simple in mechanism and convenient to use, and the time for replacing the refrigerating fluid is remarkably shortened by manufacturing vacuum in the cooling liquid water tank.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine transport vehicle maintenance technical field especially relates to a vacuum replaces antifreeze special frock. BACKGROUND

[0002] In the coal mine collection field, the special vehicle shovel plate car is the main vehicle type; when winter comes, all vehicles of our team need to replace antifreeze; in the process of replacing, still adopt the method of manually drilling into the vehicle bottom to replace, but the efficiency is slow and not clean; moreover, the phenomenon of knocking hands and feet of operating personnel occurs;

[0003] Due to the particularity of the vehicle used in the coal mine, the vehicle maintenance cycle is short, and the vehicle oil and water must be checked before each shift; the antifreeze needs to be replaced in all vehicles to avoid damage to the vehicle; in the traditional process of replacing antifreeze, manual drilling into the vehicle bottom is needed, and the original vehicle antifreeze is discharged clean under the action of gravity; the disadvantage is that the efficiency is slow and not clean, and there is a risk of environmental pollution; when adding antifreeze, the antifreeze barrel is lifted and aligned with the filling port, and the antifreeze to be replaced is added into the water tank;

[0004] Therefore, in view of the above problems, a vacuum antifreeze replacement special frock is proposed, which is light in weight, small in size, simple in mechanism and convenient; by creating a vacuum in the coolant tank, the time for replacing the antifreeze is significantly shortened. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem of manual drilling into the vehicle bottom in the process of working with the traditional vacuum antifreeze replacement method, the original vehicle antifreeze is discharged clean under the action of gravity; the disadvantage is that the efficiency is slow and not clean, and there is a risk of environmental pollution.

[0006] The technical scheme of the utility model is: a vacuum antifreeze replacement special frock, comprising a vacuum pump, a main body cover, a rubber bushing, a first connecting pipe, a valve, a second connecting pipe, a mouse tail interface, a quick connector, a coolant hose, a detection assembly and a storage assembly, one end of the vacuum pump is provided with the main body cover, the outside of the main body cover is provided with the rubber bushing, the lower side of the vacuum pump is provided with the first connecting pipe, the outside of the first connecting pipe is provided with the valve, one end of the first connecting pipe is provided with the second connecting pipe, one end of the second connecting pipe is provided with the mouse tail interface, the outside of the mouse tail interface is provided with the quick connector, the outside of the quick connector is provided with the coolant hose, one side of the vacuum pump is provided with the detection assembly, and the outside of the second connecting pipe is provided with the storage assembly.

[0007] Preferably, by connecting the rubber bushing and the vehicle water tank, connecting the coolant rubber tube and the mouse tail interface, connecting to the water tank, opening the valve to connect the air pump to vacuumize, when the pressure reaches -50-60cmHg, the valve is closed, thereby manufacturing the water tank vacuum, by connecting the coolant rubber tube to the quick connector, the other end is put into the antifreeze container, the interface is submerged below the water level, the valve is opened, under the action of negative pressure, the antifreeze is automatically supplemented to the water tank, when the pressure is zero, the antifreeze filling is completed, the tooling operation is simple, the time efficiency can be greatly increased in the operation of replacing the antifreeze, and the risk of knocking head and stepping foot, personnel falling in the operation process can be avoided.

[0008] As preferred, the detection assembly comprises a connecting seat and a fixing rod, and one side of the vacuum pump is provided with the connecting seat, and one side of the connecting seat is provided with the fixing rod.

[0009] As preferred, the detection assembly further comprises a pressure gauge, and one end of the fixing rod is provided with the pressure gauge.

[0010] As preferred, the storage assembly comprises a fixing ring and a fixing frame, and the outer side of the second connecting pipe is provided with the fixing ring, and the lower side of the fixing ring is provided with the fixing frame.

[0011] As preferred, the storage assembly further comprises a connecting disc and a handle, one side of the fixing frame is provided with the connecting disc, and one side of the connecting disc is provided with the handle.

[0012] As preferred, the storage assembly further comprises a rotating shaft, a first fixing block and a first mounting pipe, one side of the connecting disc is provided with the rotating shaft, one end of the rotating shaft is provided with the first fixing block, and one side of the first fixing block is provided with the first mounting pipe.

[0013] As preferred, the storage assembly further comprises a connecting roller, a second fixing block and a second mounting pipe, one side of the first fixing block is provided with the connecting roller, one side of the connecting roller is provided with the second fixing block, and one side of the second fixing block is provided with the second mounting pipe.

[0014] The utility model discloses beneficial effects:

[0015] Preferably, by connecting the rubber bushing and the vehicle water tank, connecting the coolant rubber tube and the mouse tail interface, connecting to the water tank, opening the valve to connect the air pump to vacuumize, when the pressure reaches -50-60cmHg, the valve is closed, thereby manufacturing the water tank vacuum, by connecting the coolant rubber tube to the quick connector, the other end is put into the antifreeze container, the interface is submerged below the water level, the valve is opened, under the action of negative pressure, the antifreeze is automatically supplemented to the water tank, when the pressure is zero, the antifreeze filling is completed, the tooling operation is simple, the time efficiency can be greatly increased in the operation of replacing the antifreeze, and the risk of knocking head and stepping foot, personnel falling in the operation process can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The first three-dimensional structure schematic view of the special tool for vacuum replacing antifreeze fluid is shown.

[0017] Figure 2 The second three-dimensional structure schematic view of the special tool for vacuum replacing antifreeze fluid is shown.

[0018] Figure 3 The first partial structure schematic view of the special tool for vacuum replacing antifreeze fluid is shown.

[0019] Figure 4 The second partial structure schematic view of the special tool for vacuum replacing antifreeze fluid is shown.

[0020] The label is explained: 1, vacuum pump; 2, main body cover; 3, rubber bushing; 4, first connecting pipe; 5, valve; 6, second connecting pipe; 7, mouse tail interface; 8, quick connector; 9, coolant hose; 201, connecting seat; 202, fixed rod; 203, air pressure gauge; 301, fixed ring; 302, fixed frame; 303, connecting disc; 304, handle; 305, rotating shaft; 306, first fixed block; 307, first mounting pipe; 308, connecting roller; 309, second fixed block; 310, second mounting pipe. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and examples.

[0022] Please refer to Figure 1 The utility model provides a kind of example: a special tool for vacuum replacing antifreeze fluid, comprising.

[0023] Please refer to Figures 2-4 In the embodiment, detection component includes connecting seat 201 and fixed rod 202, one side of vacuum pump 1 is provided with connecting seat 201, one side of connecting seat 201 is provided with fixed rod 202, detection component further includes air pressure gauge 203, one end of fixed rod 202 is provided with air pressure gauge 203, in use, the position of air pressure gauge 203 is fixed by fixed rod 202, air pressure gauge 203 is used to show the air pressure value in vacuum pump 1, storage component includes fixed ring 301 and fixed frame 302, the outer side of second connecting pipe 6 is provided with fixed ring 301, the lower side of fixed ring 301 is provided with fixed frame 302, in use, the position of fixed frame 302 is fixed by fixed ring 301.

[0024] The storage assembly further comprises a connecting disc 303 and a handle 304, one side of the fixing frame 302 is provided with the connecting disc 303, one side of the connecting disc 303 is provided with the handle 304, in use, the connecting disc 303 is driven to rotate by rotating the handle 304, the storage assembly further comprises a rotating shaft 305, a first fixing block 306 and a first mounting pipe 307, one side of the connecting disc 303 is provided with the rotating shaft 305, one end of the rotating shaft 305 is provided with the first fixing block 306, one side of the first fixing block 306 is provided with the first mounting pipe 307, in use, one end of the coolant hose 9 can be connected through the first mounting pipe 307, the rotating shaft 305 is driven to rotate through the connecting disc 303, the first fixing block 306 is driven to rotate through the rotating shaft 305, the storage assembly further comprises a connecting roller 308, a second fixing block 309 and a second mounting pipe 310, one side of the first fixing block 306 is provided with the connecting roller 308, one side of the connecting roller 308 is provided with the second fixing block 309, one side of the second fixing block 309 is provided with the second mounting pipe 310, in use, the connecting roller 308 is driven to rotate through the first fixing block 306, the coolant hose 9 can be wound through the connecting roller 308, and the other end of the coolant hose 9 is connected through the second mounting pipe 310, so that the coolant hose 9 is stored when the device is idle.

[0025] Before the vacuum anti-freezing liquid replacement special tool is used, assembly and preparation work of the device need to be carried out first, and the specific steps are as follows:

[0026] Assembling the tool: assemble the vacuum pump 1, the main body with cover 2, the rubber bushing 3, the first connecting pipe 4, the valve 5, the second connecting pipe 6, the mouse tail interface 7, the quick interface 8, the coolant hose 9, the detection assembly and the storage assembly and other parts according to the instructions; ensure that the components are connected tightly, especially the connection between the rubber bushing 3 and the vehicle water tank and the connection between the coolant hose 9 and the mouse tail interface 7 and the quick interface 8, which must be sealed well to prevent air leakage;

[0027] Checking the air pressure gauge 203: checking whether the air pressure gauge 203 in the detection assembly is working normally; turning on the vacuum pump 1, observing the change of the air pressure gauge 203 pointer, and ensuring that the air pressure value in the vacuum pump 1 can be accurately displayed;

[0028] Preparing the anti-freezing liquid: pouring the anti-freezing liquid to be replaced into a container, ensuring that the anti-freezing liquid level is high enough so that the interface of the coolant hose 9 can be completely submerged below the water level;

[0029] Fixing the storage assembly: according to actual needs, fixing the storage assembly at a suitable position so as to conveniently wind and release the coolant hose 9 during the replacement of the anti-freezing liquid;

[0030] After the assembly and preparation of the device is completed, the operation of replacing the antifreeze can be performed; the specific steps are as follows:

[0031] Connecting the tooling and the vehicle water tank: tightly connecting the rubber bushing 3 to the filling port of the vehicle water tank to ensure that there is no air leakage; then, connecting one end of the coolant hose 9 to the mouse tail interface 7, and connecting the other end to the vacuum pump 1 through the quick connector 8;

[0032] Manufacturing the water tank vacuum: opening the valve 5, starting the vacuum pump 1 to perform the vacuumizing operation; observing the change of the pressure gauge 203, when the pressure reaches-50 to-60 cmHg, closing the valve 5 to stop the vacuumizing operation; at this time, the water tank has formed a vacuum state;

[0033] Filling the antifreeze: placing the other end of the coolant hose 9 into the antifreeze container, ensuring that the interface is completely submerged below the water level; then, opening the valve 5 again, since the water tank is in a negative pressure state, the antifreeze will be automatically sucked into the water tank; observing the change of the pressure gauge 203, when the pressure gradually rises to zero, it indicates that the antifreeze has been filled;

[0034] Disconnecting and cleaning: closing the valve 5, disconnecting the tooling and the vehicle water tank; then, cleaning the residual antifreeze on the tooling for next use;

[0035] After the operation of replacing the antifreeze is completed, the device needs to be stored and maintained; the specific steps are as follows:

[0036] Winding the coolant hose 9: using the connecting roller 308 and the fixing block in the storage assembly to wind the coolant hose 9; ensuring that the hose is not randomly placed or wound together, so that it can be easily unfolded for next use.

[0037] Through the above steps, the rubber bushing 3 and the vehicle water tank are connected, the coolant hose and the mouse tail interface 7 are connected, the water tank is connected, the valve 5 is opened to connect the air pump to perform the vacuumizing, when the pressure reaches-50 to-60 cmHg, the valve 5 is closed to manufacture the water tank vacuum, the coolant hose is connected to the quick connector, the other end is placed into the antifreeze container, the interface is submerged below the water level, the valve 5 is opened, under the action of negative pressure, the antifreeze is automatically supplemented to the water tank, when the pressure is zero, the antifreeze filling is completed, the tooling operation is simple, the time efficiency can be greatly increased in the operation of replacing the antifreeze, and the risk of bumping and falling of personnel during the operation can be avoided.

[0038] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range possessed by the person skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A special tooling for vacuum replacement of antifreeze, comprising a vacuum pump (1); characterized in that: It also includes a main body with a cover (2), a rubber bushing (3), a first connecting pipe (4), a valve (5), a second connecting pipe (6), a rat tail interface (7), a quick interface (8), a coolant hose (9), a detection component, and a storage component. One end of the vacuum pump (1) is provided with a main body with a cover (2), and the outside of the main body with a cover (2) is provided with a rubber bushing (3). The bottom of the vacuum pump (1) is provided with a first connecting pipe (4), and the outside of the first connecting pipe (4) is provided with a valve (5). One end of the first connecting pipe (4) is provided with a second connecting pipe (6), and one end of the second connecting pipe (6) is provided with a rat tail interface (7). The outside of the rat tail interface (7) is provided with a quick interface (8), and the outside of the quick interface (8) is provided with a coolant hose (9). One side of the vacuum pump (1) is provided with a detection component, and the outside of the second connecting pipe (6) is provided with a storage component.

2. The special tooling for vacuum antifreeze replacement according to claim 1, characterized in that: The detection assembly includes a connector (201) and a fixing rod (202). The connector (201) is provided on one side of the vacuum pump (1), and the fixing rod (202) is provided on one side of the connector (201).

3. The special tooling for vacuum antifreeze replacement according to claim 2, characterized in that: The detection assembly also includes a barometer (203), and a barometer (203) is installed at one end of the fixing rod (202).

4. The special tooling for vacuum antifreeze replacement according to claim 1, characterized in that: The storage component includes a retaining ring (301) and a retaining bracket (302). The retaining ring (301) is provided on the outside of the second connecting pipe (6), and the retaining bracket (302) is provided below the retaining ring (301).

5. The special tooling for vacuum antifreeze replacement according to claim 4, characterized in that: The storage component also includes a connecting plate (303) and a handle (304). The connecting plate (303) is provided on one side of the fixing frame (302), and the handle (304) is provided on one side of the connecting plate (303).

6. The special tooling for vacuum antifreeze replacement according to claim 5, characterized in that: The storage assembly also includes a pivot (305), a first fixing block (306) and a first mounting tube (307). A pivot (305) is provided on one side of the connecting plate (303), a first fixing block (306) is provided at one end of the pivot (305), and a first mounting tube (307) is provided on one side of the first fixing block (306).

7. A special tooling for vacuum antifreeze replacement according to claim 6, characterized in that: The storage assembly also includes a connecting roller (308), a second fixing block (309), and a second mounting tube (310). The connecting roller (308) is provided on one side of the first fixing block (306), the second fixing block (309) is provided on one side of the connecting roller (308), and the second mounting tube (310) is provided on one side of the second fixing block (309).

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