CN219317187U - Screw air compressor with high-pressure protection mechanism - Google Patents

Abstract

The utility model discloses a screw air compressor with a high-pressure protection mechanism, which comprises a machine body, and further comprises a high-pressure protection component and a damping component, wherein the high-pressure protection component comprises a pressure relief box, an exhaust groove, a top cylinder, a spring A, a compression bar, a transverse plate and a sealing plate, the pressure relief box is detachably arranged on one side of the machine body through screws, the exhaust groove for exhausting gas is arranged on the outer wall of the front part of the pressure relief box, the top cylinder is connected with the top end of the pressure relief box in an intercommunication way, and the compression bar slides along the inner wall of the top cylinder and drives the spring A to stretch. This screw air compressor machine inner chamber with high pressure protection machanism passes through pipe and pressure release case intercommunication, and the diaphragm of pressure release incasement portion receives the gas pressure effect, and the atmospheric pressure is applyed on the depression bar, and the depression bar slides along a section of thick bamboo inner wall, produces compression effect to spring A, and the diaphragm drives the closing plate and reciprocates simultaneously, and the closing plate moves up and can communicate pressure release case and external through the exhaust groove of co-altitude, carries out the pressure release through the exhaust mode.

Description

Screw air compressor with high-pressure protection mechanism

Technical Field

The utility model relates to the technical field of screw air compressors, in particular to a screw air compressor with a high-pressure protection mechanism.

Background

The screw air compressor adopts the screw air compressor with the pre-set configuration, only needs single power supply connection and compressed air connection, and is internally provided with a cooling system, so that the installation work is greatly simplified. The screw air compressor provides high-quality compressed air for various industries with the advantages of high efficiency, no maintenance, high reliability and the like. The screw air compressor adopts a pre-complete set of configuration, only needs single power connection and compressed air connection, and is internally provided with a cooling system, so that the installation work is greatly simplified.

Patent number CN201510176378.1 discloses a screw air compressor, which comprises a frame, wherein a motor, an air compressor assembly and an oil-gas separation device are arranged in the frame, the motor is connected with the air compressor assembly through a belt, an integrated motor bracket for placing and supporting the motor and the air compressor assembly is arranged in the frame, a plurality of vibration reduction supporting feet are arranged at the bottom of the integrated motor bracket, and each vibration reduction supporting foot is supported and fixed on the frame. The integrated motor bracket comprises a rotating plate, the rotating plate is connected to the bracket through a rotating structure, and the motor is arranged on the rotating plate so as to realize convenient belt installation; a door plate is arranged on the frame, a sudden stop switch is arranged on the door plate, and a concave structure for preventing the sudden stop switch 8 from being touched by mistake is arranged on the door plate. The utility model has the advantages of good vibration reduction effect, long service life, convenient installation and the like.

At present, the screw air compressor can produce high pressure in equipment in the air compression process, and the machine body can be damaged after the pressure exceeds the upper limit, so that the overall safety is insufficient. For this purpose, we propose a screw air compressor with a high pressure protection mechanism.

Disclosure of Invention

The utility model mainly aims to provide a screw air compressor with a high-pressure protection mechanism, wherein an inner cavity of the screw air compressor is communicated with a pressure relief box through a guide pipe, a transverse plate in the pressure relief box is subjected to the action of gas pressure, the gas pressure is applied to a pressure lever, the pressure lever slides along the inner wall of a top cylinder to generate compression action on a spring A, meanwhile, the transverse plate drives a sealing plate to move upwards, the sealing plate moves upwards to be communicated with the pressure relief box and the outside through exhaust grooves with different heights, and the pressure is relieved in an exhaust mode, so that the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a screw air compressor machine with high pressure protection machanism, includes the organism, still includes high pressure protection subassembly and damper, high pressure protection subassembly includes pressure release case, exhaust groove, a section of thick bamboo, spring A, depression bar, diaphragm and closing plate, organism one side has the pressure release case through screw demountable installation, pressure release case front portion outer wall is provided with the exhaust groove that can be used to exhaust gas, pressure release case top intercommunication is connected with a section of thick bamboo, and the depression bar slides along a section of thick bamboo inner wall and drives spring A and stretch out and draw back, depression bar bottom fixedly connected with diaphragm, diaphragm both sides integrated into one piece has the closing plate that can seal the exhaust groove, pressure release case front end outer wall intercommunication is connected with the pipe.

Further, the damping component comprises a top block, an inserting rod, a hollow seat, a spring B, a rubber sleeve A and a rubber sleeve B, wherein the top block is welded at four corners of the bottom of the machine body; the ejector block is matched with the hollow seat to generate compression effect on the spring B.

Further, the lower end of the top block is welded with an inserted rod which can slide along the inner groove of the hollow seat in a matched manner; the inserted link of kicking block lower extreme stretches out and draws back along hollow seat inside groove.

Further, a spring B is sleeved on the outer side wall of the inserted link, and a rubber sleeve A is bonded on the outer wall of the tail end of the inserted link; the spring B is continuously compressed and bounced under the action of pressure.

Further, a rubber sleeve B which can be attached to the rubber sleeve A is adhered to the inner side wall of the hollow seat; the rubber sleeve A and the rubber sleeve B are mutually rubbed to generate damping force for the spring B, so that the whole equipment tends to be stable.

Compared with the prior art, the utility model has the following beneficial effects: when the pressure in the air compression inner cavity of the screw air compressor is too high, the inner cavity of the screw air compressor is communicated with the pressure relief box through the guide pipe, the diaphragm inside the pressure relief box is subjected to the action of air pressure, air pressure is applied to the pressure lever, the pressure lever slides along the inner wall of the top cylinder to produce the compression action on the spring A, meanwhile, the diaphragm drives the sealing plate to move upwards, the sealing plate moves upwards to be communicated with the pressure relief box and the outside through the exhaust grooves at different heights, the pressure is relieved in an exhaust mode, the rebound sealing plate is rebound through the rebound action of the spring A after the pressure reaches a proper value, the exhaust grooves are sealed again, and the problems that in the prior screw air compressor can produce high pressure inside equipment, the machine body can be damaged after the pressure exceeds the upper limit, and the overall safety is insufficient are solved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a screw air compressor with a high-pressure protection mechanism.

Fig. 2 is a schematic diagram of a high-pressure protection assembly of a screw air compressor with a high-pressure protection mechanism according to the present utility model.

Fig. 3 is a schematic view of a damping assembly of a screw air compressor with a high-pressure protection mechanism according to the present utility model.

In the figure: 1. a body; 2. a high voltage protection assembly; 201. a pressure relief box; 202. an exhaust groove; 203. a top cylinder; 204. a spring A; 205. a compression bar; 206. a cross plate; 207. a sealing plate; 3. a shock absorbing assembly; 301. a top block; 302. a rod; 303. a hollow seat; 304. a spring B; 305. a rubber sleeve A; 306. a rubber sleeve B; 4. a catheter.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a screw air compressor with high-pressure protection mechanism, including organism 1, still include high-pressure protection subassembly 2 and damper 3, high-pressure protection subassembly 2 includes pressure release case 201, exhaust groove 202, a section of thick bamboo 203, spring a204, depression bar 205, diaphragm 206 and closing plate 207, organism 1 one side is through screw demountable installation has pressure release case 201, pressure release case 201 front portion outer wall is provided with the exhaust groove 202 that can be used to exhaust gas, pressure release case 201 top intercommunication is connected with a section of thick bamboo 203, and depression bar 205 slides along a section of thick bamboo 203 inner wall and drives spring a204 and stretch out and draw back, depression bar 205 bottom fixedly connected with diaphragm 206, diaphragm 206 both sides integrated into one piece has sealing plate 207 that can seal up exhaust groove 202, pressure release case 201 front end outer wall intercommunication is connected with pipe 4.

The shock absorption assembly 3 comprises a top block 301, an inserting rod 302, a hollow seat 303, a spring B304, a rubber sleeve A305 and a rubber sleeve B306, wherein the top block 301 is welded at four corners of the bottom of the machine body 1, the inserting rod 302 capable of sliding along the inner groove of the hollow seat 303 in a matched mode is welded at the lower end of the top block 301, the spring B304 is sleeved on the outer side wall of the inserting rod 302, the rubber sleeve A305 is bonded on the outer wall of the tail end of the inserting rod 302, and the rubber sleeve B306 capable of being bonded with the rubber sleeve A305 is bonded on the inner side wall of the hollow seat 303; the ejector block 301 is matched with the hollow seat 303 to generate a compression effect on the spring B304, the inserted rod 302 at the lower end of the ejector block 301 stretches along the inner groove of the hollow seat 303, the spring B304 continuously compresses and rebounds under the pressure effect, and the rubber sleeve A305 and the rubber sleeve B306 rub with each other to generate a damping force on the spring B304, so that the whole equipment tends to be stable.

It should be noted that, the utility model is a screw air compressor with high-pressure protection mechanism, when the machine body 1 vibrates, the inserted link 302 at the lower end of the top block 301 stretches along the inner groove of the hollow seat 303, the spring B304 continuously compresses and rebounds under the pressure action, meanwhile, the rubber sleeve A305 and the rubber sleeve B306 rub with each other to generate damping force to the spring B304, so that the whole equipment tends to be stable; when the pressure in the air compression inner cavity of the screw air compressor is too high, the inner cavity of the screw air compressor is communicated with the pressure relief box through the guide pipe 4, the transverse plate 206 in the pressure relief box 201 is subjected to the action of air pressure, the air pressure is applied to the pressure lever 205, the pressure lever 205 slides along the inner wall of the top cylinder 203 to compress the spring A204, meanwhile, the transverse plate 206 drives the sealing plate 207 to move upwards, the sealing plate 207 can be communicated with the pressure relief box 201 and the outside through the exhaust grooves 202 with different heights, the pressure is relieved in an exhaust mode, and after the pressure reaches a proper value, the sealing plate 207 is rebounded through the rebound action of the spring A204 to seal the exhaust grooves 202 again.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. Screw air compressor machine with high pressure protection machanism, including organism (1), its characterized in that: still include high-pressure protection subassembly (2) and damper (3), high-pressure protection subassembly (2) include pressure release case (201), exhaust groove (202), roof cylinder (203), spring A (204), depression bar (205), diaphragm (206) and closing plate (207), organism (1) one side is through screw demountable installation has pressure release case (201), pressure release case (201) anterior outer wall is provided with exhaust groove (202) that can be used to exhaust gas, pressure release case (201) top intercommunication is connected with roof cylinder (203), and depression bar (205) slide and drive spring A (204) and stretch out and draw back along roof cylinder (203) inner wall, depression bar (205) bottom fixedly connected with diaphragm (206), diaphragm (206) both sides integrated into one piece has closing plate (207) that can seal exhaust groove (202), pressure release case (201) front end outer wall intercommunication is connected with pipe (4).

2. The screw air compressor with high pressure protection mechanism of claim 1, wherein: the damping component (3) comprises a top block (301), a plug rod (302), a hollow seat (303), a spring B (304), a rubber sleeve A (305) and a rubber sleeve B (306), wherein the top block (301) is welded at four corners of the bottom of the machine body (1).

3. The screw air compressor with high pressure protection mechanism of claim 2, wherein: the lower end of the top block (301) is welded with a plug rod (302) which can slide along the inner groove of the hollow seat (303) in a matched mode.

4. The screw air compressor with high pressure protection mechanism of claim 2, wherein: the outer side wall of the inserted link (302) is sleeved with a spring B (304), and the outer wall of the tail end of the inserted link (302) is adhered with a rubber sleeve A (305).

5. The screw air compressor with high pressure protection mechanism of claim 2, wherein: the inner side wall of the hollow seat (303) is adhered with a rubber sleeve B (306) which can be adhered with the rubber sleeve A (305).

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