CN215088172U

CN215088172U - Novel syringe for automobile maintenance

Info

Publication number: CN215088172U
Application number: CN202120420200.8U
Authority: CN
Inventors: 赵旭
Original assignee: Hainan University of Science and Technology
Current assignee: Hainan University of Science and Technology
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-12-10
Anticipated expiration: 2031-02-25

Abstract

The utility model relates to a novel syringe is used in auto repair, the large-scale motor gun comprises a gun body, liquid storage pot and cylinder body subassembly, the rifle body includes stock handle and body of a gun, be provided with the switch module on the stock handle, be provided with the injection nozzle on the body of a gun, motor and controller, be provided with incomplete gear on the output shaft of motor, the liquid storage pot sets up on the body of a gun bottom, the cylinder body subassembly includes the cylinder body, piston and piston rod, the cylinder body sets up on the top in the liquid storage pot, be provided with transfer line and first feed liquor check valve on cylinder body top and the bottom respectively, transfer line and injection nozzle intercommunication, the feed liquor of first feed liquor check valve is served and is provided with the hose, be provided with second feed liquor check valve on the piston, the piston rod sets up on the piston top, the piston rod top passes liquid storage pot and the body of a gun and is provided with double rack mechanism. The utility model discloses a cooperation design of rifle body, liquid storage pot and cylinder body subassembly has effectively solved current injection tube operation inconvenience, is not suitable for going out emergency rescue operation, problem that the practicality is poor.

Description

Novel syringe for automobile maintenance

Technical Field

The utility model belongs to the technical field of auto repair appurtenance, in particular to novel syringe is used in auto repair.

Background

Auto repair is a generic term for auto maintenance and repair. The automobile with faults is inspected and the fault reason is found out by technical means, and then certain measures are taken to remove the faults and recover to reach certain performance and safety standards. In the process of automobile maintenance, an injector is often needed to inject engine oil to the movable connection part between the parts so as to reduce the abrasion between the parts and further avoid the occurrence of movable clamping stagnation or abnormal sound in the use process.

However, the existing injectors are designed into a large-capacity syringe, and when the injector needs to be used, the injector is realized by manually pushing a piston to generate pressure in the syringe, but the problems in the prior art are that: need one hand to hold the injection tube the other hand and pressurize, still need to keep the injection nozzle to aim at the injection point simultaneously, its injection operation is very inconvenient, is not suitable for going out emergency rescue operation, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a auto repair uses novel syringe to prior art not enough, through the cooperation design of the rifle body, liquid storage pot and cylinder body subassembly, it is inconvenient effectively to have solved current injection tube operation, is not suitable for going out emergency rescue operation, problem that the practicality is poor.

The utility model discloses the technical scheme who adopts:

a novel injector for automobile maintenance comprises a gun body, a liquid storage tank and a cylinder body assembly, wherein the gun body comprises a gun handle and a gun body, a switch assembly is arranged on the gun handle, the gun body is fixedly connected with the gun handle, an injection nozzle, a motor and a controller are arranged on the gun body, the injection nozzle is positioned at the front end of the gun body, the motor is arranged above the gun body through a support, an incomplete gear is arranged on an output shaft of the motor, the controller is respectively electrically connected with the switch assembly and the motor, the liquid storage tank is arranged at the bottom of the gun body, the cylinder body assembly comprises a cylinder body, a piston and a piston rod, the cylinder body is arranged at the top of the liquid storage tank, a liquid conveying pipe and a first liquid inlet one-way valve are respectively arranged at the top and the bottom of the cylinder body, the end part of the liquid conveying pipe penetrates out of the liquid storage tank and is communicated with the injection nozzle, the liquid inlet end of the first liquid inlet one-way valve is provided with a hose, the end part of the hose is provided with a balancing weight, the piston is arranged in the cylinder body, the piston is provided with a second liquid inlet one-way valve, the piston rod is arranged on the top of the piston, the top of the piston rod penetrates through the top of the liquid storage tank and the gun body and is provided with a double-rack mechanism, and the double-rack mechanism is meshed with the incomplete gear.

Further, the switch module includes travel switch and trigger, travel switch sets up on the stock, travel switch with controller electric connection, the trigger both sides all through reset block with the stock is connected, the trigger with travel switch aligns.

Further, reset part is including setting up slide bar on the trigger is in with the setting slide groove on the stock, the slide bar sets up in the slide groove, the cover is equipped with the spring on the slide bar, spring one end with the trigger is connected, the other end with the stock is connected.

Further, first feed liquor check valve is including setting up first inlet and first valve clack on the cylinder body bottom, the feed liquor end of first inlet with the hose connection, first valve clack is located first inlet top, just first valve clack one side with the cylinder body is articulated.

Further, second feed liquor check valve is including setting up second inlet and second valve clack on the piston, the second valve clack is located second inlet top, just second valve clack one side with the piston is articulated.

Further, be provided with power module in the stock, power module with controller electric connection.

Further, the liquid storage tank comprises a tank body and a tank cover, wherein the tank cover is arranged at the bottom of the tank body and is in threaded connection with the tank body.

Furthermore, a sealing ring is arranged at the joint of the piston and the liquid storage tank.

Compared with the prior art, the beneficial effects of the utility model are that:

1. make the injection nozzle aim at the injection point and trigger switch subassembly through the forefinger through holding the stock handle, switch subassembly passes through controller control motor and drives incomplete gear revolve, and incomplete gear drives double rack mechanism and reciprocates, and double rack mechanism drives the piston through the piston rod and slides from top to bottom in the cylinder body, utilizes the interior machine oil of piston suction liquid storage tank and carries for the transfer line, and the transfer line carries machine oil and injects for the injection nozzle. The utility model discloses an electronic pressurized mode, the one hand just can inject the operation, and it is very convenient to operate, provides very big facility to the emergency rescue operation of going out, has improved injection efficiency and practicality.

2. Utilize the feed liquor of first feed liquor check valve to serve and be provided with the hose, be provided with the balancing weight on the hose end portion, when handheld syringe inclines or inverts the injection, the balancing weight drives the tip of hose and drops in the liquid level below along the trend that machine oil flows for can inject the injection point at each direction angle, improve injection effect and practicality.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a top view of FIG. 1;

in the figure: 1. a gun handle; 2. a chute; 3. a slide bar; 4. a controller; 5. a piston rod; 6. a motor; 7. a double rack mechanism; 8. an incomplete gear; 9. a support; 10. a gun body; 11. an injection nozzle; 12. a transfusion tube; 13. Filling a body; 14. a hose; 15. a balancing weight; 16. a can lid; 17. a trigger; 18. a spring; 19. a travel switch; 20. a power supply module; 21. a seal ring; 22. a cylinder body; 23. a first valve flap; 24. a first liquid inlet; 25. a piston, 26 and a second liquid inlet; 27. a second valve flap.

Detailed Description

In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Referring to fig. 1 to 3, the utility model provides a novel injector for automobile maintenance, including the rifle body, liquid storage pot and cylinder body 22 subassembly, the rifle body includes stock 1 and body 10, utilize the design of stock 1 to make things convenient for handheld operation greatly, improve the convenience when injecting, be provided with switch module on the stock 1, trigger switch module through the forefinger when holding stock 1, controller 4 receives the signal of switch module transmission, controller 4 then control motor 6 starts, make the one hand just can carry out the injection operation, body 10 is connected with stock 1 fixedly, be provided with injection nozzle 11 on the body 10, motor 6 and controller 4, injection nozzle 11 is located the front end of body 10, injection nozzle 11 aligns the injection point when being favorable to holding stock 1, motor 6 adopts gear motor 6, motor 6 passes through support 9 and installs in body 10 top, be provided with incomplete gear 8 on the output shaft of motor 6, the controller 4 adopts a single chip microcomputer, the controller 4 is respectively electrically connected with the switch component and the motor 6, the liquid storage tank is arranged at the bottom of the gun body 10, the cylinder 22 component comprises a cylinder 22, a piston 25 and a piston rod 5, the cylinder 22 is arranged at the top of the liquid storage tank, the top and the bottom of the cylinder 22 are respectively provided with a liquid conveying pipe 12 and a first liquid inlet one-way valve, the end part of the liquid conveying pipe 12 penetrates through the side wall of the liquid storage tank and is communicated with the injection nozzle 11, the liquid conveying pipe 12 is used for conveying the engine oil in the cylinder 22 to the injection nozzle 11 for injection, the liquid inlet end of the first liquid inlet one-way valve is provided with a hose 14, the first liquid inlet one-way valve is used for enabling the engine oil in the liquid storage tank to enter the cylinder 22 only through the hose 14 in one way, the end part of the hose 14 is provided with a balancing weight 15, the balancing weight 15 is used for keeping the tail end of the hose 14 below the liquid level, the piston 25 is arranged in the cylinder 22, be provided with the second feed liquor check valve on the piston 25, the effect of second check valve lies in making the machine oil of piston 25 below can only one-way entering piston 25 top, piston rod 5 sets up on piston 25 top, 5 tops of piston rod pass stock solution tank top and body of a gun 10 and be provided with double rack mechanism 7, double rack mechanism 7 and incomplete gear 8 meshing, motor 6 drives incomplete gear 8 and rotates, incomplete gear 8 drives piston rod 5 through double rack mechanism 7 and slides from top to bottom, piston rod 5 drives piston 25 and slides in cylinder body 22, recycle first feed liquor check valve and second feed liquor check valve's effect, make the machine oil in the stock solution tank carried in the injection nozzle 11.

Specifically, the switch module includes travel switch 19 and trigger 17, travel switch 19 sets up on stock 1, travel switch 19 and controller 4 electric connection, trigger 17 both sides are all connected with stock 1 through reset block, trigger 17 and travel switch 19 are aligned, press trigger 17 through the forefinger, trigger 17 touches travel switch 19 and makes it switch-on, controller 4 receives travel switch 19's switch-on signal and control motor 6 start, it makes trigger 17 leave travel switch 19 and reset through reset block behind the trigger 17 to loosen, make travel switch 19 break, controller 4 receives travel switch 19 turn-off signal and control motor 6 stop work.

Specifically, reset unit is including setting up slide bar 3 on trigger 17 and setting up spout 2 on stock 1, slide bar 3 sets up in spout 2 and sliding connection with it, the cover is equipped with spring 18 on slide bar 3, spring 18 one end is connected with trigger 17, the other end is connected with stock 1, after overcoming the elasticity of spring 18 through pressing trigger 17, trigger 17 moves along the slip direction of slide bar 3 in spout 2, utilize the resilience force of spring 18 to make trigger 17 reset behind the unclamping trigger.

Specifically, first feed liquor check valve is including setting up first inlet 24 and first valve clack 23 in cylinder body 22 bottom, the feed liquor end and the hose 14 of first inlet 24 are connected, first valve clack 23 is located first inlet 24 top, and first valve clack 23 one side is articulated with cylinder body 22, when piston 25 slided upwards, first valve clack 23 upwards overturns around its articulated department and opens first inlet 24, machine oil flows into in the cylinder body 22 from the liquid storage pot, when piston 25 slided downwards, first valve clack 23 overturns downwards and closes first inlet 24, and then prevent the machine oil in the cylinder body 22 to flow back to the liquid storage pot.

Specifically, the second liquid inlet one-way valve includes a second liquid inlet 26 and a second valve flap 27 which are arranged on the piston 25, the second valve flap 27 is arranged above the second liquid inlet 26, and one side of the second valve flap 27 is hinged to the top of the piston 25, when the piston 25 slides downwards, the second valve flap 27 turns upwards around the hinged part to open the second liquid inlet 26, the oil flows into the upper part of the piston 25 from the lower part of the piston, when the piston 25 slides upwards, the second valve flap 27 turns downwards to close the second liquid inlet 26, and the oil above the piston 25 is conveyed into the injection nozzle 11.

Specifically, be provided with power module 20 in the stock 1, power module 20 sets up to the lithium cell, and power module 20 and controller 4 electric connection utilize power module 20 to provide the power.

Specifically, the liquid storage tank comprises a tank body and a tank cover 16, wherein the tank cover 16 is arranged at the bottom of the tank body and is in threaded connection with the tank body, and engine oil is poured into the tank body after the tank cover 16 is unscrewed.

Specifically, a sealing ring 21 is arranged at the joint of the piston rod 5 and the liquid storage tank, so that the sealing property between the piston rod 5 and the liquid storage tank is improved.

The utility model discloses a theory of operation does:

when injection is carried out, the gun handle 1 is held by hand and the switch component is triggered by the index finger, the controller 4 receives a trigger signal of the switch component, the controller 4 sends a signal to the motor 6 and controls the motor to work, the motor 6 drives the incomplete gear 8 to rotate, under the action of the piston rod 5, the incomplete gear 8 drives the double-rack mechanism 7 to move up and down along the axial direction of the piston rod 5, meanwhile, the double-rack mechanism 7 drives the piston rod 5 to slide up and down, the piston rod 5 drives the piston 25 to slide up and down in the cylinder body 22, when the piston 25 slides up, the first liquid inlet one-way valve is opened, the second liquid inlet one-way valve is closed, engine oil enters the position below the piston 25 from the liquid storage tank through the hose 14, meanwhile, the engine oil above the piston 25 is conveyed to the injection nozzle 11 through the liquid conveying pipe 12 to be injected, when the piston 25 slides down, the first liquid inlet one-way valve is closed, the second liquid inlet one-way valve is opened, the engine oil below the piston 25 enters the upper part of the piston 25 through the second liquid inlet one-way valve. After the injection is finished, the switch assembly is loosened, the controller 4 receives a disconnection signal of the switch assembly, and the controller 4 sends a signal to the motor 6 and controls the motor 6 to stop working so that the injection work is stopped.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a novel syringe is used in auto repair which characterized in that: the automatic liquid feeding device comprises a gun body, a liquid storage tank and a cylinder body assembly, wherein the gun body comprises a gun handle and a gun body, a switch assembly is arranged on the gun handle, the gun body is fixedly connected with the gun handle, an injection nozzle, a motor and a controller are arranged on the gun body, the injection nozzle is positioned at the front end of the gun body, the motor is arranged above the gun body through a support, an incomplete gear is arranged on an output shaft of the motor, the controller is respectively and electrically connected with the switch assembly and the motor, the liquid storage tank is arranged at the bottom of the gun body, the cylinder body assembly comprises a cylinder body, a piston and a piston rod, the cylinder body is arranged at the top of the liquid storage tank, a liquid conveying pipe and a first liquid feeding one-way valve are respectively arranged at the top and the bottom of the cylinder body, the end part of the liquid conveying pipe penetrates out of the liquid storage tank and is communicated with the injection nozzle, and a hose is arranged at the liquid feeding end of the first liquid feeding one-way valve, the end part of the hose is provided with a balancing weight, the piston is arranged in the cylinder body, the piston is provided with a second liquid inlet one-way valve, the piston rod is arranged on the top of the piston, the top of the piston rod penetrates through the top of the liquid storage tank and the gun body and is provided with a double-rack mechanism, and the double-rack mechanism is meshed with the incomplete gear.

2. The novel injector for automobile maintenance according to claim 1, characterized in that: the switch assembly comprises a travel switch and a trigger, the travel switch is arranged on the gun handle, the travel switch is electrically connected with the controller, two sides of the trigger are connected with the gun handle through reset parts, and the trigger is aligned with the travel switch.

3. The novel injector for automobile maintenance according to claim 2, characterized in that: reset unit is in including setting up slide bar on the trigger is in with the setting spout on the stock, the slide bar sets up in the spout, the cover is equipped with the spring on the slide bar, spring one end with the trigger is connected, the other end with the stock is connected.

4. The novel injector for automobile maintenance according to claim 1, characterized in that: first feed liquor check valve is including setting up first inlet and first valve clack on the cylinder body bottom, the feed liquor end of first inlet with the hose connection, first valve clack is located first inlet top, just first valve clack one side with the cylinder body is articulated.

5. The novel injector for automobile maintenance according to claim 1, characterized in that: the second feed liquor check valve is including setting up second inlet and second valve clack on the piston, the second valve clack is located second inlet top, just second valve clack one side with the piston is articulated.

6. The novel injector for automobile maintenance according to claim 1, characterized in that: and a power supply module is arranged in the gun handle and is electrically connected with the controller.

7. The novel injector for automobile maintenance according to claim 1, characterized in that: the liquid storage tank comprises a tank body and a tank cover, wherein the tank cover is arranged at the bottom of the tank body and is in threaded connection with the tank body.

8. The novel injector for automobile maintenance according to claim 1, characterized in that: and a sealing ring is arranged at the joint of the piston and the liquid storage tank.