Air compressor with double-cylinder integral crankcase structure

By installing shock-absorbing and moving components on the air tank of the air compressor, the problems of low stability and high noise of the air compressor are solved, achieving smoother operation and reduced noise.

CN223908347UActive Publication Date: 2026-02-13WUYI GUANGLI M&E CO LTD
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Patent Information

Application Number
CN202520706451.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-02-13
Estimated Expiration
2035-04-15

AI Technical Summary

Technical Problem

Existing air compressors have low stability during use, are prone to shaking, and produce a lot of noise.

Method used

An air compressor with a twin-cylinder integrated crankcase structure absorbs and buffers vibrations by installing shock-absorbing and moving components on the air tank, and using components such as fixed blocks, telescopic rods, connecting seats, shock-absorbing springs and rubber pads to reduce vibration transmission and noise.

Benefits of technology

It improves the operational stability of the air compressor, reduces shaking and noise, and enhances ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air compressor with a double-cylinder integral type crankcase structure, and relates to the technical field of air compressors, the air compressor comprises a double-head motor, a damping assembly comprises fixing blocks symmetrically arranged on the surface of an air tank, the top of a telescopic rod is fixedly connected with a connecting seat, the top of the connecting seat is fixedly connected with a rubber pad, and the rubber pad is fixedly connected with an air cylinder. And connecting holes with the same size are formed in the surfaces of the connecting seat, the rubber pad and the mounting seat. And the mounting seat is fixedly connected with the connecting seat through a bolt. The damping assembly is arranged, the mounting base and the connecting base are connected through the connecting hole and the bolt, when the double-end motor works, generated vibration is transmitted to the mounting base, the vibration is transmitted to the connecting base and the connecting base through the mounting base, and the vibration is buffered through a rubber pad; and vibration is absorbed and consumed through mutual cooperation of a first damping spring and a telescopic rod, vibration transmission is reduced, and noise generated by vibration is reduced. And the double-head motor is more stable in operation and convenient to use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air compressor technical field, concretely is a kind of air compressor with double cylinder integral crankcase structure. BACKGROUND

[0002] Air compressor is the basic product of industrial modernization, and the full pneumatic meaning is included in the commonly said electrical and automation;And air compressor is the power supply of gas source, is the core equipment of pneumatic system, and it is the main body in mechanical and electrical gas source device, it is the device that the mechanical energy of prime mover (usually motor) is converted into gas pressure energy, is the gas pressure generating device of compressed air.The working principle of oil-free air compressor is roughly as follows: the motor directly drives the compressor, the crankshaft rotates, the connecting rod drives the piston to reciprocate, and the volume of the cylinder changes.Due to the change of pressure in the cylinder, air enters the cylinder through the air filter through the inlet valve, and in the compression stroke, due to the reduction of cylinder volume, compressed air enters the gas tank through the exhaust valve, one-way valve and exhaust pipe.

[0003] After searching, the existing public patent number: CN202122842570.3, the public patent name: an improved double cylinder integral crankcase structure air compressor, wherein the head assembly includes a head shell and two cylinder shells, the two cylinder shells are respectively welded or formed on the left and right sides of the head shell, and the interiors of the two cylinder shells are respectively movably installed with piston assemblies;The inside of the head shell is provided with a motor cavity, and the motor cavity is provided with a double-shaft motor mechanism, the double-shaft motor mechanism includes a stator module fixed to the inner side wall of the motor cavity and a rotor module rotatably connected to the head shell, and the rotor module is inside the stator module;The two sides of the head shell are respectively provided with a crankcase shell, the crankshaft assembly inside the crankcase shell is coaxially connected with the corresponding output shaft, and is drivingly connected with the corresponding piston assembly through the connecting rod.Compared with the prior art, the head assembly has higher integrity, the structure of the head assembly is simplified, the assembly efficiency of the head assembly is higher, and the structure is more stable and reliable.

[0004] However, the above-mentioned air compressor has low stability, is easy to produce shaking, has large noise, and has room for improvement. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides an air compressor with double cylinder integral crankcase structure, which solves the problems of low stability, easy shaking and large noise.

[0006] In order to achieve the above object, the utility model discloses a kind of air compressor with double-cylinder integrated crankcase structure, comprising: double-head motor, the double-head motor both sides are fixedly connected with crankcase, the double-head motor both sides output shaft end is respectively fixedly connected with two groups of crankshaft inside crankcase, the crankcase top is communicated with cylinder, the filter is inserted in the cylinder top, the mounting seat is fixedly connected with the lower position of the crankcase surface, the gas tank is provided below the mounting seat, the cylinder is communicated with gas tank, damping assembly is provided on the gas tank, the damping assembly comprises fixed block, the fixed block top is slidably connected with telescopic link, the telescopic link top is fixedly connected with connecting seat, the connecting seat is fixedly connected with first damping spring between fixed block, the connecting seat top is fixedly connected with rubber pad, the connecting seat, rubber pad and mounting seat surface are provided with connecting hole of same size.

[0007] The mounting seat is fixedly connected with the connecting seat by bolt.

[0008] Preferably, the gas tank surface is fixedly provided with air pressure gauge, and the lower position of the gas tank surface is provided with exhaust valve.

[0009] Preferably, the gas tank bottom is fixedly connected with mounting bracket, the mounting bracket is fixedly connected with handrail, and the mounting bracket bottom is fixedly connected with rubber block.

[0010] Preferably, the gas tank is provided with moving assembly, the moving assembly comprises fixed frame symmetrically arranged at the lower position of the gas tank surface, the fixed frame one side is provided with sliding slot, the sliding slot is slidably connected with sliding block, the sliding block one side is rotatably connected with pulley, and the sliding block upper and lower sides are symmetrically provided with second damping spring.

[0011] Preferably, one end of the second damping spring is fixedly connected with the sliding block, and the other end of the second damping spring is fixedly connected with the inner wall of the sliding block.

[0012] Preferably, the pulley is provided as rubber wheel.

[0013] Preferably, the mounting seat is fixedly connected with the connecting seat by bolt. Beneficial effects

[0014] The utility model provides a kind of air compressor with double-cylinder integrated crankcase structure, compared with prior art, at least has following beneficial effects:

[0015] The damping assembly is arranged, the mounting base is connected with the connecting base through the connecting hole and the bolt, when the double-head motor works, the vibration is transmitted to the mounting base, the vibration is transmitted to the connecting base and the connecting base through the mounting base, the vibration is buffered through the rubber pad, the vibration is absorbed and consumed through the cooperation of the first damping spring and the telescopic rod, the transmission of the vibration is reduced, the noise generated by the vibration is reduced, and the double-head motor runs more stably. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural schematic view of the utility model mobile assembly;

[0018] Figure 3 It is a structural schematic view of the utility model damping assembly;

[0019] Figure 4 It is a structural schematic view of the utility model gas tank bottom.

[0020] In the drawing: 1, double-head motor;2, crankcase;3, cylinder;4, filter;5, mounting base;6, damping assembly;601, fixed block;602, telescopic rod;603, first damping spring;604, connecting base;605, rubber pad;606, connecting hole;7, gas tank;8, air pressure gauge;9, mounting frame;10, handrail;11, rubber block;12, mobile assembly;1201, fixed frame;1202, sliding groove;1203, sliding block;1204, second damping spring;1205, pulley. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model. EMBODIMENT

[0022] Please refer to Figures 1-4 The utility model provides a technical scheme: double-head motor 1, double-head motor 1 both sides fixed connection has crankcase 2, double-head motor 1 both sides output shaft end respectively with two groups of crankcase 2 inside crankshaft fixed connection, crankcase 2 top intercommunication has cylinder 3, cylinder 3 top inserts and has filter 4, crankcase 2 surface lower position fixed connection has mounting base 5, mounting base 5 below be provided with gas tank 7, cylinder 3 with gas tank 7 intercommunication, gas tank 7 on be provided with damping assembly 6;

[0023] The damping assembly 6 comprises a fixed block 601 symmetrically arranged on the surface of the gas tank 7, a telescopic rod 602 slidingly connected to the top of the fixed block 601, a connecting seat 604 fixedly connected to the top of the telescopic rod 602, a first damping spring 603 fixedly connected between the connecting seat 604 and the fixed block 601, and a rubber pad 605 fixedly connected to the top of the connecting seat 604, and the connecting seat 604, the rubber pad 605 and the surface of the mounting seat 5 are provided with connecting holes 606 of the same size.

[0024] The damping assembly 6 is arranged, the mounting seat 5 is connected with the connecting seat 604 through the connecting holes 606 and bolts, the double-head motor 1 drives the rotation of the crankshaft in the crankcase 2, drives the movement of the piston to compress air, the compressed air enters the gas tank 7 in one way for storage, the vibration generated during operation is transmitted to the mounting seat 5, the vibration is transmitted to the connecting seat 604 and the connecting seat 604 through the mounting seat 5, the vibration is buffered through the rubber pad 605, the vibration is absorbed and consumed through the cooperation of the first damping spring 603 and the telescopic rod 602, the transmission of the vibration is reduced, the noise generated by the vibration is reduced, the double-head motor 1 runs more stably, and the use is convenient. The double-head motor 1, the crankcase 2, the cylinder 3 and the filter 4 are all general standard parts or parts known by those skilled in the art, and the structure and principle thereof can be known by those skilled in the art through a technical manual or through a conventional experimental method. Embodiment

[0025] Please refer to Figures 1-4 The utility model provides a technical scheme based on embodiment one: a gas pressure gauge 8 is fixedly installed on the surface of the gas tank 7, and an exhaust valve is arranged on the lower position of the surface of the gas tank 7.

[0026] The gas pressure gauge 8 is arranged to detect the gas pressure in the gas tank 7, and the exhaust valve is arranged to exhaust the remaining gas and generated water vapor from the gas tank 7, so as to avoid corroding the inner wall of the gas tank 7. Embodiment

[0027] Please refer to Figures 1-4 The utility model provides a technical scheme based on embodiment one: an installation frame 9 is fixedly connected to the bottom of the gas tank 7, a handrail 10 is fixedly connected to the installation frame 9, and a rubber block 11 is fixedly connected to the bottom of the installation frame 9.

[0028] The rubber block 11 is arranged to make the gas tank 7 have soft contact with the ground, further buffers the vibration, and reduces the noise. The handrail 10 is arranged to cooperate with the pulley 1205 to drive the gas tank 7 to move, so as to facilitate the movement and transportation of the gas tank 7 without the need of moving and easy operation. Embodiment

[0029] Please refer to Figures 1-4The utility model discloses a technical scheme based on example one: mobile assembly 12 is provided on gas tank 7, mobile assembly 12 includes the fixed frame 1201 of symmetrical setting in the lower position of gas tank 7 surface, the one side of fixed frame 1201 is provided with the sliding slot 1202, the sliding block 1203 is slidably connected in the sliding slot 1202, the one side of sliding block 1203 is rotatably connected with pulley 1205, and the both sides of sliding block 1203 are provided with the second damping spring 1204.

[0030] The above content is analyzed: the rotation of pulley 1205 drives gas tank 7 to move to the required position, and when gas tank 7 moves, the uneven road surface will cause gas tank 7 to vibrate, and the vibration is absorbed through the upward and downward sliding of sliding block 1203 and the cooperation of second damping spring 1204, thereby reducing the influence of vibration on gas tank 7 and double-head motor 1 during transportation. After the position of gas tank 7 is fixed, the vibration generated by double-head motor 1 is absorbed by second damping spring 1204, further improving the damping effect on double-head motor 1 and reducing resonance with the ground. Embodiment

[0031] Please refer to Figures 1-4 The utility model discloses a technical scheme based on example one: one end of second damping spring 1204 is fixedly connected with sliding block 1203, and the other end of second damping spring 1204 is fixedly connected with the inner wall of sliding block 1203.

[0032] The above content is analyzed: the upward and downward movement of sliding block 1203 drives second damping spring 1204 to stretch and contract, thereby absorbing and consuming the vibration and improving the damping effect. Embodiment

[0033] Please refer to Figures 1-4 The utility model discloses a technical scheme based on example one: pulley 1205 is arranged as a rubber wheel.

[0034] The above content is analyzed: pulley 1205 is arranged as a rubber wheel, reducing the noise generated by pulley 1205 during movement.

[0035] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An air compressor having a two-cylinder integrated crankcase structure, characterized by, Include: Double -headed motor (1), both sides of the double -headed motor (1) are fixedly connected with crankcase (2), the output shaft end of both sides of the double -headed motor (1) is fixedly connected with two groups of crankcase (2) inside crankshaft respectively, the top of the crankcase (2) is communicated with cylinder (3), the top of the cylinder (3) is inserted with filter (4), the surface of the crankcase (2) is fixedly connected with mounting seat (5) at lower position, the gas tank (7) is arranged below the mounting seat (5), the cylinder (3) is communicated with the gas tank (7), the gas tank (7) is provided with damping assembly (6); The damping assembly (6) includes fixed blocks (601) symmetrically arranged on the surface of the gas tank (7), the fixed blocks (601) are slidably connected with telescopic rods (602) on the top, the telescopic rods (602) are fixedly connected with connecting seats (604) on the top, the connecting seats (604) and the fixed blocks (601) are fixedly connected with first damping springs (603), the connecting seats (604) are fixedly connected with rubber pads (605) on the top, the connecting seats (604), the rubber pads (605) and the mounting seat (5) are provided with connecting holes (606) with same size on the surface.

2. The air compressor having a two-cylinder integrated crankcase structure according to claim 1, characterized by: The gas pressure gauge (8) is fixedly installed on the surface of the gas tank (7), and the exhaust valve is arranged at the lower position on the surface of the gas tank (7).

3. The air compressor having a two-cylinder integrated crankcase structure according to claim 1, characterized by: The mounting frame (9) is fixedly connected with the handrail (10) on the mounting frame (9), and the rubber block (11) is fixedly connected with the mounting frame (9) on the bottom.

4. The air compressor having a two-cylinder integrated crankcase structure according to claim 1, characterized by: The gas tank (7) is provided with a moving assembly (12), the moving assembly (12) includes fixed frames (1201) symmetrically arranged on the surface of the gas tank (7) at lower position, the fixed frames (1201) are provided with sliding grooves (1202) on one side, the sliding grooves (1202) are slidably connected with sliding blocks (1203), the sliding blocks (1203) are rotatably connected with pulleys (1205) on one side, the sliding blocks (1203) are symmetrically provided with second damping springs (1204) on the top and bottom.

5. The air compressor having a two-cylinder integrated crankcase structure according to claim 4, characterized by: One end of the second damping spring (1204) is fixedly connected with the sliding block (1203), and the other end of the second damping spring (1204) is fixedly connected with the inner wall of the sliding block (1203).

6. The air compressor having a two-cylinder integrated crankcase structure according to claim 5, characterized by: The pulley (1205) is provided as a rubber wheel.

7. The air compressor having a two-cylinder integrated crankcase structure according to claim 1, characterized by: The mounting seat (5) is fixedly connected with the connecting seat (604) through bolts.

Citation Information

Patent Citations

  • Improved air compressor with double-cylinder integral crankcase structure

    CN218509679U