Auxiliary tool for dismounting and mounting air conditioner of metro vehicle

Abstract

The utility model discloses an auxiliary tool for dismounting and mounting an air conditioner of a metro vehicle, which comprises a protective cover, an air inlet pipe, an air outlet pipe and an air outlet pipe, the oil injection device comprises an oil storage barrel, a barrel cover, an injection barrel, a piston rod, an annular pipe, two oil pipes and a driving device, the barrel cover is detachably arranged on the oil storage barrel, the oil storage barrel, the injection barrel and the annular pipe are all arranged on the protective cover, one oil pipe is connected with the oil storage barrel and the injection barrel, and the other oil pipe is connected with the injection barrel and the annular pipe; the driving device is used for enabling one end of the piston rod to move back and forth in the injection cylinder; the locking device is used for fixing the sleeve arranged on the electric screwdriver in a sleeving mode. According to the electric screw driver, in the dismounting operation process of the electric screw driver on the bolt and the nut, the bolt and the nut can be lubricated synchronously, friction resistance is reduced, abrasion of the bolt and the nut can be reduced, the dismounting process is smoother, and dismounting efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of air conditioner disassembly and assembly tools, and in particular to an auxiliary tool for disassembling and assembling air conditioners in subway vehicles. Background Technology

[0002] The air conditioning system is a crucial component of subway trains, and its proper functioning is essential for passenger comfort. Maintenance of subway train air conditioning systems often involves disassembly and reassembly, particularly the removal and installation of bolts and nuts inside the unit.

[0003] Traditional disassembly tools typically use electric screwdrivers or wrenches for disassembly. However, after long-term use, bolts and nuts are prone to becoming abnormally tight due to rust, dust, impurities, and other factors. This tightness increases the frictional resistance between the bolts and nuts, requiring operators to spend more time and effort to complete the disassembly and assembly tasks. This not only reduces work efficiency but also increases the difficulty of operation and safety risks. Utility Model Content

[0004] The purpose of this utility model is to solve the above-mentioned technical problems and provide an auxiliary tooling for the disassembly and assembly of air conditioners in subway vehicles.

[0005] The technical solution of this utility model: An auxiliary tooling for the disassembly and assembly of air conditioners in subway vehicles, comprising:

[0006] A protective cover, on which a sleeve is rotatably provided;

[0007] The oil injection device includes an oil storage tank, a tank cover, an injection cylinder, a piston rod, an annular tube, two oil pipes, and a drive device. The oil storage tank is detachably equipped with the tank cover. The oil storage tank, the injection cylinder, and the annular tube are all mounted on the protective cover. One of the oil pipes connects the oil storage tank and the injection cylinder, and the other oil pipe connects the injection cylinder and the annular tube. The annular tube is equipped with several spray nozzles. The drive device is used to move one end of the piston rod back and forth inside the injection cylinder.

[0008] A locking device is used to secure the sleeve fitted onto the electric screwdriver.

[0009] Preferably, the oil storage tank is threadedly connected to the tank lid.

[0010] Preferably, the driving device includes a first gear, a second gear, a rotating rod, a push rod, and two round rods. The first gear is disposed on the sleeve, the rotating rod is rotatably disposed on the protective cover, the second gear is disposed on the rotating rod, and the round rods are disposed on one end of the piston rod and on the second gear. The push rod is rotatably connected to the two round rods.

[0011] Preferably, the locking device includes a clamp.

[0012] Preferably, the protective cover is provided with at least one support plate, and the injection cylinder is disposed on the support plate.

[0013] The beneficial effects of this utility model are as follows: In the process of disassembling and assembling bolts and nuts with an electric screwdriver, the bolts and nuts can be lubricated simultaneously to reduce frictional resistance. This not only reduces the wear of the bolts and nuts, making the disassembly and assembly process smoother and improving efficiency, but also prevents the screws or nuts from being over-tightened or jammed, reducing the occurrence of accidents caused by screw or nut failure and ensuring the safety of the disassembly and assembly process. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the preferred embodiment of the present invention in use with an electric screwdriver;

[0015] Figure 2 This is a schematic diagram of the overall structure of a preferred embodiment of the present invention;

[0016] Figure 3 This is an unfolded view of a preferred embodiment of the present invention.

[0017] Reference numerals: Protective cover 10, sleeve 101, support plate 102, oil storage tank 2, tank cover 3, injection cylinder 4, piston rod 5, annular tube 6, nozzle 601, oil pipe 7, first gear 8, second gear 9, rotating rod 11, push rod 12, round rod 13, clamp 14. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Reference Figures 1 to 3 An auxiliary tooling for disassembling and assembling air conditioners in subway vehicles, comprising:

[0020] A protective cover 10 is rotatably provided with a sleeve 101;

[0021] The oil injection device includes an oil storage tank 2, a tank cover 3, an injection cylinder 4, a piston rod 5, an annular tube 6, two oil pipes 7, and a drive device. The oil storage tank 2 is detachably equipped with the tank cover 3. The oil storage tank 2, the injection cylinder 4, and the annular tube 6 are all mounted on the protective cover 10. One of the oil pipes 7 connects the oil storage tank 2 and the injection cylinder 4, and the other oil pipe 7 connects the injection cylinder 4 and the annular tube 6. The annular tube 6 is equipped with several nozzles 601. The drive device is used to move one end of the piston rod 5 back and forth inside the injection cylinder 4.

[0022] A locking device is used to secure the sleeve 101 that is fitted onto the electric screwdriver. In this invention, after the rotating part of the electric screwdriver is fitted inside the sleeve 101, the locking device fixes it, thus fixing the rotating part of the electric screwdriver to the sleeve 101. During the disassembly and assembly of bolts and nuts, after the rotating part of the electric screwdriver engages with the nut, the rotating part of the electric screwdriver rotates, causing the sleeve 101 to rotate. At the same time, the driving device drives the piston rod 5 to move back and forth inside the injection cylinder 4. When the piston rod 5 moves to the left, the lubricating oil in the oil tank 2 flows into the injection cylinder 4 through one of the oil pipes 7. When the piston rod 5 moves to the right, the lubricating oil in the injection cylinder 4 flows into the annular pipe 6 through the other oil pipe 7. It is then sprayed onto the bolts and nuts through the spray nozzle 601 on the annular pipe 6 to lubricate them and reduce frictional resistance. This not only reduces the wear of the bolts and nuts, making the disassembly and assembly process smoother and improving the efficiency, but also prevents the screws or nuts from being over-tightened or jammed, reducing the occurrence of accidents caused by the failure of the screws or nuts and ensuring the safety of the disassembly and assembly process. The design of the protective cover 10 can play a protective role during the disassembly and assembly process, preventing lubricating oil from splashing. Specifically, when the rotating part of the electric screwdriver is not in contact with the nut, the drive unit works to drive the injection cylinder 4 to move back and forth to first lubricate the bolt and nut; the oil storage tank 2 and the injection cylinder 4 are equipped with one-way valves.

[0023] As a preferred embodiment of this utility model, it may also have the following additional technical features:

[0024] In this embodiment, the oil storage tank 2 is threadedly connected to the tank cover 3. This prevents the lubricating oil inside the oil storage tank 2 from leaking out during disassembly and assembly, while also facilitating the removal of the tank cover 3.

[0025] In this embodiment, the driving device includes a first gear 8, a second gear 9, a rotating rod 11, a push rod 12, and two round rods 13. The first gear 8 is mounted on the sleeve 101, the rotating rod 11 is rotatably mounted on the protective cover 10, the second gear 9 is mounted on the rotating rod 11, and the round rods 13 are provided on one end of the piston rod 5 and on the second gear 9. The push rod 12 is rotatably connected to the two round rods 13. After the rotating part of the electric screwdriver is fixed to the sleeve 101, it drives the sleeve 101 to rotate, which in turn drives the first gear 8 to rotate. The first gear 8 drives the second gear 9 to rotate, causing the push rod 12 to move back and forth, which in turn drives the piston rod 5 to move back and forth. Specifically, the sleeve 101 and the rotating rod 11 are both T-shaped, and their engagement with the first gear 8 and the second gear 9 prevents them from falling off the protective cover 10.

[0026] In this embodiment, the locking device includes a clamp 14. Tightening the nut on the bolt of the clamp 14 connects the sleeve 101 to the rotating part of the electric screwdriver. Specifically, the locking device can also be a ring and a bolt. The ring has a threaded hole and is fixed to the rotating part of the electric screwdriver. After the rotating part of the electric screwdriver is placed inside the sleeve 101, the ring fits inside the sleeve 101, and the bolt passes through the through hole of the sleeve 101 and engages with the threaded hole, thereby fixing the rotating part of the electric screwdriver to the sleeve 101.

[0027] In this embodiment, the protective cover 10 is provided with at least one support plate 102, and the injection cylinder 4 is disposed on the support plate 102 to support the injection cylinder 4.

[0028] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An auxiliary tool for disassembling and assembling an air conditioner for a subway vehicle, characterized by comprising: include: A protective cover (10) is rotatably provided with a sleeve (101); The oil injection device includes an oil storage tank (2), a tank cover (3), an injection cylinder (4), a piston rod (5), an annular tube (6), two oil pipes (7), and a driving device. The oil storage tank (2) is detachably equipped with the tank cover (3). The oil storage tank (2), the injection cylinder (4), and the annular tube (6) are all mounted on the protective cover (10). One of the oil pipes (7) connects the oil storage tank (2) and the injection cylinder (4), and the other oil pipe (7) connects the injection cylinder (4) and the annular tube (6). The annular tube (6) is equipped with several nozzles (601). The driving device is used to move one end of the piston rod (5) back and forth inside the injection cylinder (4). A locking device is used to secure the sleeve (101) fitted onto the electric screwdriver.

2. The auxiliary tool for disassembling and assembling the air conditioner of a subway vehicle according to claim 1, characterized in that: The oil storage tank (2) is threadedly connected to the tank cover (3).

3. The auxiliary tool for disassembling and assembling the air conditioner of the subway vehicle according to claim 1, characterized in that: The driving device includes a first gear (8), a second gear (9), a rotating rod (11), a push rod (12), and two round rods (13). The first gear (8) is mounted on the sleeve (101), the rotating rod (11) is rotatably mounted on the protective cover (10), the second gear (9) is mounted on the rotating rod (11), and the round rods (13) are mounted on one end of the piston rod (5) and on the second gear (9). The push rod (12) is rotatably connected to the two round rods (13).

4. The auxiliary tool for disassembling and assembling the air conditioner of the subway vehicle according to claim 1, characterized in that: The locking device includes a clamp (14).

5. The auxiliary tool for disassembling and assembling the air conditioner of the subway vehicle according to claim 1, characterized in that: The protective cover (10) is provided with at least one support plate (102), and the injection cylinder (4) is disposed on the support plate (102).

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