Air inlet mechanism of diaphragm compressor

By employing a magnetic ring and plug cone structure in the diaphragm compressor's intake mechanism, sealing is achieved through changes in air pressure, thus solving the problem of spring failure and extending the diaphragm's service life.

CN223563013UActive Publication Date: 2025-11-18FUJIAN FORESTRY VOCATIONAL TECH COLLEGE
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Patent Information

Application Number
CN202423169724.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-11-18
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

In existing diaphragm compressor intake mechanisms, the one-way ventilation structure often uses spring return, but the spring is prone to losing its elasticity due to high-frequency operation and requires regular maintenance.

Method used

It adopts a magnetic ring and plug cone structure, and uses the negative pressure and high pressure changes in the air frame to achieve sealing through the adsorption of the magnetic ring, thus avoiding the use of springs.

Benefits of technology

It achieves a springless sealing effect, extends the service life of the diaphragm, and improves the reliability and maintenance frequency of the equipment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides an air inlet mechanism of a diaphragm compressor, and belongs to the technical field of compressors. The air inlet mechanism of the diaphragm compressor comprises a driving structure and a ventilation structure fixed to the top of the driving structure, the driving structure comprises a bottom frame and a suction part, the ventilation structure comprises an air inlet part and an air outlet part, the air outlet part is fixed to the top of the suction part, and the air inlet part comprises an air inlet pipe; the air inlet pipe is fixed to the top of the suction part, a vent hole is formed in the bottom of the air inlet pipe, a connecting hole is formed in the air inlet pipe, a first magnetic ring is fixed into the air inlet pipe, a guide rod is slidably connected into the air inlet pipe, a blocking cone is fixed to the end of the guide rod, and a first sealing ring is fixed to one side of the blocking cone. A second magnetic ring is fixed to one side of the blocking cone. According to the utility model, the plugging cone is matched with the magnetic ring I and the magnetic ring II, and the air inlet pipe can be plugged and conducted by the plugging cone in combination with instantaneous increase of air pressure.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a compressor technical field, specifically, relate to a diaphragm compressor's air intake mechanism. BACKGROUND

[0002] Diaphragm compressor is utilize the reciprocating motion of diaphragm to combine the one-way ventilation mode, thereby reach the extrusion and delivery of air, but the existing one-way ventilation structure adopts spring to reset, this mode is very easy to lose elasticity because of high frequency operation, thereby need to replace maintenance.

[0003] The diaphragm compressor air intake assembly and the diaphragm compressor provided by Chinese patent number CN213711291U include a main air intake path and an auxiliary air intake path. The outlet end of the main air intake path is connected to the inlet end of the cylinder assembly of the diaphragm compressor. The main air intake path is provided with a first control valve. The auxiliary air intake path is connected to the part of the main air intake path upstream of the first control valve and to the part of the main air intake path downstream of the first control valve. The auxiliary air intake path is provided with a second control valve and a pressure reduction component. The auxiliary air intake path and the main air intake path cooperate to charge the cylinder assembly of the diaphragm compressor, avoiding the impact of high-pressure gas on the diaphragm, and thus helping to prolong the service life of the diaphragm.

[0004] Currently, the existing diaphragm compressor air intake mechanism can prevent the diaphragm from being impacted during air intake, but the existing one-way ventilation structure uses a spring for plugging, requiring regular maintenance of the spring elasticity. Utility model content

[0005] To make up for the above shortcomings, the utility model provides a diaphragm compressor air intake mechanism, aiming to improve the diaphragm compressor air intake mechanism. In normal cases, the one-way ventilation structure uses a spring, which loses elasticity after long-term use.

[0006] The utility model is implemented as follows:

[0007] The utility model provides a kind of intake mechanism of diaphragm compressor, including drive structure and the ventilation structure fixed in the top of drive structure, the drive structure includes underframe and suction piece, the ventilation structure includes air intake piece and air outlet piece, the air outlet piece is fixed in the top of suction piece, the air intake piece includes air intake pipe, the air intake pipe is fixed in the top of suction piece, air intake pipe bottom is equipped with ventilation hole, the air intake pipe inside is equipped with hole, the air intake pipe inside is fixed with magnetic ring one, the air intake pipe inside is slidably connected with guide rod, the guide rod end is fixed with plug cone, the plug cone one side is fixed with sealing ring one, the plug cone one side is fixed with magnetic ring two.

[0008] In an embodiment of the utility model, the underframe one side is fixed with motor, motor output shaft end is fixed with carousel, carousel one side is rotatably connected with rocker.

[0009] In an embodiment of the utility model, the underframe top is fixed with fixed frame, the fixed frame inside is fixed with air cylinder.

[0010] In an embodiment of the utility model, the air cylinder inside is slidably connected with piston, the piston is rotatably connected in the rocker one side, the piston one side is sleeved with sealing ring.

[0011] In an embodiment of the utility model, the suction piece includes air frame one, the air frame one is fixed in the top of fixed frame.

[0012] In an embodiment of the utility model, the air frame one top is provided with diaphragm, the air frame one top is fixed with air frame two.

[0013] In an embodiment of the utility model, the air outlet piece includes air outlet pipe, the air outlet pipe is fixed in the top of air frame two, the air outlet pipe bottom is equipped with through hole, the air outlet pipe inside is fixed with sealing ring two.

[0014] In an embodiment of the utility model, the air outlet pipe inside is fixed with limit strip, the air outlet pipe inside is provided with plug ball.

[0015] The utility model has the advantages that: the utility model obtains an intake mechanism of diaphragm compressor by the above design, when using, utilize the negative pressure formed in air frame two, so that the outside air can push plug cone to move, then enter into air frame two through hole and ventilation hole, conversely, under the high pressure of air frame two, plug cone is lifted through ventilation hole instantaneously, so that magnetic ring one and magnetic ring two are adsorbed, and under the sealing of sealing ring one, prevent air from flowing out, so that by this way, avoid using spring also can reach sealing effect. ACCURACY OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments of the present application will be briefly introduced as follows. Obviously, the following drawings only show some of the embodiments of the present application, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 is the overall structure schematic diagram of the air inlet mechanism of the diaphragm compressor provided by the embodiments of the present application;

[0018] Figure 2 is the internal structure schematic diagram of the air inlet mechanism of the diaphragm compressor provided by the embodiments of the present application;

[0019] Figure 3 is the air inlet component schematic diagram of the air inlet mechanism of the diaphragm compressor provided by the embodiments of the present application;

[0020] Figure 4 is the air outlet component schematic diagram of the air inlet mechanism of the diaphragm compressor provided by the embodiments of the present application.

[0021] In the figure: 100-driving structure; 110-chassis; 111-motor; 112-rotating disc; 113-rocker; 114-fixed frame; 115-cylinder; 116-piston; 117-sealing ring; 120-suction component; 121-air frame one; 122-diaphragm; 123-air frame two; 200-ventilation structure; 210-air inlet component; 211-air inlet pipe; 212-ventilation hole; 213-continuous hole; 214-magnetic ring one; 215-guide rod; 216-plugging cone; 217-sealing ring one; 218-magnetic ring two; 220-air outlet component; 221-air outlet pipe; 222-through hole; 223-sealing ring two; 224-limiting strip; 225-plugging ball. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. EMBODIMENT

[0023] Please refer to Figures 1-4The utility model provides a kind of technical scheme: a diaphragm compressor's air intake mechanism, including drive structure 100 and the aeration structure 200 fixed in the top of drive structure 100, drive structure 100 includes chassis 110 and suction piece 120, aeration structure 200 includes air intake piece 210 and air outlet piece 220, air outlet piece 220 is fixed in the top of suction piece 120, air intake piece 210 includes air intake pipe 211, air intake pipe 211 is fixed in the top of suction piece 120, air intake pipe 211 bottom is equipped with air hole 212, air hole 212 has a plurality of, and air hole 212 end is directly connected to the bottom of plug cone 216, air intake pipe 211 inside is equipped with link hole 213, link hole 213 plays the role of communication, because the diameter of air hole 212 is much larger than link hole 213, so high-pressure gas will first be pushed by air hole 212 to move up plug cone 216, air intake pipe 211 inside is fixed with magnetic ring one 214, air intake pipe 211 inside is slidably connected with guide rod 215, the end of guide rod 215 is fixed with plug cone 216, plug cone 216 plays the role of plugging air intake pipe 211, plug cone 216 one side is fixed with sealing ring one 217, plug cone 216 one side is fixed with magnetic ring two 218.

[0024] Please refer to Figures 1-2 Chassis 110 one side is fixed with motor 111, motor 111 output shaft end is fixed with turntable 112, turntable 112 one side is rotatably connected with rocker 113, and rocker 113 is driven through turntable 112, can move up and down piston 116, the top of chassis 110 is fixed with fixed frame 114, fixed frame 114 inside is fixed with cylinder 115, cylinder 115 inside is slidably connected with piston 116, piston 116 is rotatably connected in the one side of rocker 113, piston 116 one side is sleeved with sealing ring 117, sealing ring 117 plays the sealing effect, to prevent piston 116 from moving, cannot form negative pressure in cylinder 115 and gas frame one 121, suction piece 120 includes gas frame one 121, gas frame one 121 is fixed in the top of fixed frame 114, and the top of gas frame one 121 is provided with diaphragm 122, and the top of gas frame one 121 is fixed with gas frame two 123.

[0025] Please refer to Figures 1-4 Air outlet piece 220 includes air outlet pipe 221, and air outlet pipe 221 is fixed in the top of gas frame two 123, and the bottom of air outlet pipe 221 is equipped with through hole 222, and air outlet pipe 221 inside is fixed with sealing ring two 223, sealing ring two 223 can prevent air from passing through the gap between plug ball 225 and through hole 222 by its elasticity, and air outlet pipe 221 inside is fixed with limit strip 224, and air outlet pipe 221 inside is provided with plug ball 225.

[0026] Specifically, the working principle of the air inlet mechanism of the diaphragm compressor: in use, the motor 111 drives the rotating disc 112 to rotate, so that the rocker 113 can pull the piston 116 to reciprocate under the restriction of the cylinder 115, so that the high pressure or negative pressure is formed in the air frame one 121 through the movement of the cylinder 115, so that the diaphragm 122 can be quickly reciprocated, when the diaphragm 122 is pushed down, the negative pressure is formed in the air frame two 123, at this time under the condition of external normal pressure, the plug ball 225 will plug the through hole 222, at the same time the external air pressure will push the plug cone 216 to move, so that the air enters the air hole 212 through the connecting hole 213, and finally enters the air frame two 123, at this time the diaphragm 122 is turned up, which will extrude the air in the air frame two 123, because the air is suddenly extruded from normal pressure to high pressure, so the high pressure gas will suddenly push the plug cone 216 to move upward, so that the magnetic ring one 214 and the magnetic ring two 218 are adsorbed, thereby preventing the plug cone 216 from falling down, at the same time the plug ball 225 will be blown up, so that the high pressure gas is discharged.

[0027] It should be noted that the specific model and specification of the motor 111 need to be determined according to the actual specification of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.

[0028] The power supply and principle of the motor 111 are clear to those skilled in the art, and will not be described in detail here.

[0029] The above only describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be changed and varied. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An air intake mechanism for a diaphragm compressor, comprising a drive structure (100) and a venting structure (200) fixed to the top of the drive structure (100), characterized in that, The drive structure (100) includes a base frame (110) and a suction component (120). The ventilation structure (200) includes an air inlet (210) and an air outlet (220). The air outlet (220) is fixed to the top of the suction component (120). The air inlet (210) includes an air inlet pipe (211), which is fixed to the top of the suction component (120). The bottom of the air inlet pipe (211) has an opening. Vent hole (212), connecting hole (213) is provided inside the air inlet pipe (211), magnetic ring one (214) is fixed inside the air inlet pipe (211), guide rod (215) is slidably connected inside the air inlet pipe (211), plug cone (216) is fixed at the end of the guide rod (215), sealing ring one (217) is fixed on one side of the plug cone (216), and magnetic ring two (218) is fixed on one side of the plug cone (216).

2. The air intake mechanism of a diaphragm compressor according to claim 1, characterized in that, A motor (111) is fixed on one side of the base frame (110), a turntable (112) is fixed on the output shaft end of the motor (111), and a rocker arm (113) is rotatably connected to one side of the turntable (112).

3. The air intake mechanism of a diaphragm compressor according to claim 2, characterized in that, The base frame (110) is fixed with a fixing frame (114) on top, and a cylinder (115) is fixed inside the fixing frame (114).

4. The air intake mechanism of a diaphragm compressor according to claim 3, characterized in that, A piston (116) is slidably connected inside the cylinder (115). The piston (116) is rotatably connected to one side of the rocker arm (113). A sealing ring (117) is sleeved on one side of the piston (116).

5. The air intake mechanism of a diaphragm compressor according to claim 3, characterized in that, The suction component (120) includes an air frame (121), which is fixed to the top of the fixed frame (114).

6. The air intake mechanism of a diaphragm compressor according to claim 5, characterized in that, A diaphragm (122) is provided on the top of the first air frame (121), and a second air frame (123) is fixed on the top of the first air frame (121).

7. The air intake mechanism of a diaphragm compressor according to claim 6, characterized in that, The air outlet component (220) includes an air outlet pipe (221), which is fixed to the top of the second air frame (123). A through hole (222) is provided at the bottom of the air outlet pipe (221), and a sealing ring (223) is fixed inside the air outlet pipe (221).

8. The air intake mechanism of a diaphragm compressor according to claim 7, characterized in that, The vent pipe (221) has a fixed limit strip (224) inside, and a stop ball (225) is provided inside the vent pipe (221).

Citation Information

Patent Citations

  • Air inlet assembly of diaphragm compressor and diaphragm compressor

    CN213711291U