Automatic lubricating grease coating device for air valve seat

Abstract

The utility model relates to an automatic lubricating grease coating device for an air valve seat, and belongs to the field of machinery for vacuum booster production. The sealing gasket is located in the base, the oil filling pipe is fixedly connected with the base in a threaded mode and compresses the sealing gasket to form a sealed space, the limiting sleeve and the spring are installed on the base, the base is sleeved with the sliding sleeve, the sliding sleeve and the sliding sleeve are screwed and fixed through threads of the ejector block, the ejector block is in sliding connection with the oil filling pipe, and the guide base is fixedly connected with the base through the short screw. The switch frame is fixed to the side face of the guide seat through screws, the proximity switch is fixedly connected with the switch frame, and the oil pipe is in threaded connection with an oil inlet in the lower portion of the base. The air valve seat oil coating device has the advantages that the structure is novel, the production takt of oil coating before air valve seat riveting can be optimized, operation of an operator is facilitated, meanwhile, the oil coating amount can be controlled, the oil amount can be adjusted according to the drawing requirement, lubricating grease waste is avoided, and the production requirement and the quality control requirement of ever-increasing orders are met.

Description

Technical Field

[0001] The utility model belongs to the field of machinery for producing vacuum boosters, in particular to an automatic grease coating device for an air valve seat. Background Art

[0002] At present, there are pneumatic boosters, vacuum boosters, electric boosters, hydraulic boosters, etc. The booster is a component that uses hydraulic pressure, air pressure, vacuum (negative pressure) or electrical energy to increase the force applied by the driver on the pedal. Among them, the vacuum booster assembly is a key component in the automobile braking system. Its main function is to amplify the servo force through the vacuum booster through the pedal force, and act on the brake master cylinder to make it move forward to compress the brake fluid in the master cylinder, and then transmit hydraulic pressure to the brake system of the whole vehicle through the brake master cylinder oil outlet, thereby realizing the braking function of the car.

[0003] With the increase in automobile production, the demand for vacuum boosters is also increasing. In order to meet the requirements of customer orders, higher requirements are placed on the production rhythm of vacuum booster manufacturers under the existing production lines. For example, when assembling the air valve seat of the vacuum booster assembly, manual oiling is often used, which not only affects the production rhythm, but also cannot ensure the uniformity of the oiling amount. Therefore, it is necessary to change the oiling process to optimize the production rhythm in order to ensure the oiling amount of the air valve seat and reduce the production rhythm of this process. For this reason, it is necessary to develop a device that can automatically oil the air valve seat to meet the production needs and quality control needs of the growing orders. Summary of the invention

[0004] The utility model provides an automatic grease coating device for an air valve seat, so as to solve the problems of the current manual grease coating, which not only affects the production rhythm but also cannot ensure the uniformity of the grease coating amount.

[0005] The technical scheme adopted by the utility model is that it includes an oil filling pipe, a top block, a sliding sleeve, a guide seat, a sealing gasket, a spring, a limit sleeve, a base, an oil pipe, a short screw, a proximity switch, a switch frame and screws, wherein the sealing gasket is located in the base, the oil filling pipe is fixedly connected with the base through a thread, and the sealing gasket is compressed to form a sealed space, the limit sleeve and the spring are installed on the base, the sliding sleeve is sleeved on the base, and is tightened and fixed with the sliding sleeve through the thread of the top block, the top block is slidably connected to the oil filling pipe, the guide seat is fixedly connected to the base through a short screw, the switch frame is fixed to the side of the guide seat through screws, the proximity switch is fixedly connected to the switch frame, and the oil pipe is threadedly connected to the oil inlet hole at the lower part of the base.

[0006] The base is provided with an oil passage, the sealing gasket is provided with an oil hole, the oil filling pipe is provided with an oil filling passage, and the oil passage, the oil hole and the oil filling passage are connected.

[0007] The bottom of the oil passage of the base is connected with the plugging thread.

[0008] The base is threadedly connected with the long screw.

[0009] The utility model has the advantages of novel structure, the oil filling pipe can be replaced according to the size of the air valve seat, the assembly position of the proximity switch can be adjusted to match the size of the sliding sleeve downward pressure, and the resistance of the spring can also be adjusted and replaced to meet the operator's downward pressure requirements, and can optimize the production rhythm of oiling the air valve seat before riveting, which is convenient for the operator to operate, and can also control the amount of oiling, and can adjust the amount of oil according to the requirements of the drawing to avoid grease waste, and meet the production needs and quality control needs of the growing orders. It is applied to the automatic grease application process of the air valve seat in the production process of vacuum boosters for higher-end cars and micro cars. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model;

[0011] Figure 2 The working state of the utility model is shown in the figure. The direction of the arrow in the figure is the flow direction of the grease. A indicates that the air valve seat is pressed down, causing the sleeve to compress the spring downward. B indicates that the sleeve contacts the proximity switch to transmit a signal. DETAILED DESCRIPTION

[0012] like Figure 1 As shown: it includes an oil filling pipe 1, a top block 2, a sleeve 3, a guide seat 4, a sealing gasket 5, a spring 6, a limit sleeve 7, a long screw 8, a base 9, a plug 10, an oil pipe 11, a short screw 12, a proximity switch 13, a switch frame 14 and a screw 15, wherein the sealing gasket 5 is located in the base 9, the oil filling pipe 1 is connected to the base 9 by thread fixing, and the sealing gasket 5 is compressed to form a sealed space to prevent the grease from flowing out, the limit sleeve 7 and the spring 6 are installed on the base 9, the sleeve 3 is sleeved on the base 9, and is screwed and fixed to the sleeve 3 through the thread of the top block 2, and the top block 2 and the oil filling pipe 1 are connected to the base 9 by thread fixing. The tube 1 is slidably connected, the guide seat 4 is fixedly connected to the base 9 by a short screw 12, the spring 6 lifts the sleeve 3 away from the position of the proximity switch 13, the switch frame 14 is fixed to the side of the guide seat 4 by a screw 15, the proximity switch 13 is fixedly connected to the switch frame 14, and the position of the proximity switch 13 is adjusted according to actual conditions to ensure that the sleeve 3 can approach the switch 13 and receive the signal after being pressed down. The other end is connected to the equipment, and the working condition of the oil pump is controlled by the program. The oil pipe 11 is threadedly connected to the oil inlet hole at the bottom of the base 9, and the other end of the oil pipe is connected to the oil barrel with the oil pump.

[0013] The base 9 has an oil passage 901, the sealing gasket 5 has an oil hole 501, the oil filling pipe 1 has an oil filling passage 101, and the oil passage 901, the oil hole 501 and the oil filling passage 101 are connected.

[0014] The bottom of the oil passage 901 of the base 9 is threadedly connected to the plug 10 .

[0015] The base 9 is threadedly connected to the long screw 8 .

[0016] During operation, the base 9 is threadedly connected to the workbench 17 through the long screws 8, such as Figure 2 As shown, the operator places the air valve seat 16 on the oil filling pipe 1 and the top block 2, presses the air valve seat 16 downward to drive the top block 2 and the sliding sleeve 3 downward, and the spring 6 is compressed. When the sliding sleeve 3 contacts the limit sleeve 7, it stops. At this time, the sliding sleeve 3 is close to the proximity switch 11. After the proximity switch receives the signal, the oil pump starts to pump oil through the program control. The grease is as follows Figure 2 The oil flows in the indicated direction and enters the air valve seat 16. The operator picks up the air valve seat 16 to check the oiling condition. The sliding sleeve 3 and the top block 2 return to their original positions under the elastic force of the spring 6, completing the oiling process.

[0017] The oil filling pipe 1 can be replaced according to the size of the air valve seat, and the replacement can be done by unscrewing the top block 2, which is convenient and quick;

[0018] The assembly position of the proximity switch 13 can be adjusted to match the pressing size of the sliding sleeve 3, and the resistance of the spring 6 can also be adjusted and replaced to meet the operator's pressing force requirements.

Claims

1. An automatic grease application device for an air valve seat, characterized in that: It includes an oil filling pipe, a top block, a sliding sleeve, a guide seat, a sealing gasket, a spring, a limit sleeve, a base, an oil pipe, a short screw, a proximity switch, a switch frame and screws, wherein the sealing gasket is located in the base, the oil filling pipe is fixedly connected with the base by a thread, and the sealing gasket is compressed to form a sealed space, the limit sleeve and the spring are installed on the base, the sliding sleeve is put on the base, and is tightened and fixed with the sliding sleeve through the thread of the top block, the top block is slidably connected to the oil filling pipe, the guide seat is fixedly connected to the base by a short screw, the switch frame is fixed to the side of the guide seat by screws, the proximity switch is fixedly connected to the switch frame, and the oil pipe is threadedly connected to the oil inlet hole at the bottom of the base.

2. The automatic grease application device for air valve seat according to claim 1, characterized in that: The base is provided with an oil passage, the sealing gasket is provided with an oil hole, the oil filling pipe is provided with an oil filling passage, and the oil passage, the oil hole and the oil filling passage are connected.

3. The automatic grease application device for air valve seat according to claim 2, characterized in that: The bottom of the oil passage of the base is connected with the plugging thread.

4. The automatic grease application device for air valve seat according to claim 1, characterized in that: The base is threadedly connected with the long screw.

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