Direct-drive piston type air compressor

Abstract

The utility model relates to the technical field of air compressors, in particular to a direct-drive piston type air compressor, which is characterized in that a reciprocating component is arranged in a main body, a power mechanism is fixedly arranged at the side end of the main body, an output shaft is arranged on the power mechanism, the output shaft extends into the main body and is in transmission connection with the reciprocating component, and a cylinder body is arranged at the other end of the main body. A compression cavity is formed in the cylinder body, the piston is movably arranged in the compression cavity, a transmission shaft is arranged on the piston, the transmission shaft extends into the main body and is in transmission connection with the reciprocating assembly, the cylinder body is further provided with an air inlet and an air outlet which are communicated with the compression cavity, and the air outlet is communicated with an air outlet valve. The reciprocating assembly is driven by the power mechanism so as to drive the piston to do reciprocating motion, gas in the compression cavity is compressed through the piston, the gas is discharged from the gas outlet and led to the gas outlet valve, finally, the gas can be discharged from the gas outlet valve, the control mode is simple and reliable, and the driving efficiency of the piston is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air compressor technology field especially a kind of direct drive piston type air compressor. BACKGROUND

[0002] Air compressor is a driven fluid machine that promotes low-pressure gas to high-pressure gas. Generally, air compressors have crankshaft swing lever air compressors, crank connecting rod air compressors, or swash plate air compressors, etc. The above-mentioned air compressors drive the reciprocating motion of the piston by swinging the crankshaft swing lever, crank connecting rod, and swash plate structure, thereby realizing the cyclic compression of the fluid in the cylinder.

[0003] However, the driving form of the above-mentioned air compressor is generally through the swinging of the eccentric structure to realize the driving of the piston reciprocating motion, which is low in efficiency and causes the low working efficiency of the air compressor.

[0004] Patent No. CN118971479A discloses a reciprocating power mechanism, which includes a motor and a reciprocating assembly. The motor includes a fixed bracket, a stator assembly, a rotor assembly, and a rotating shaft assembly. The fixed bracket has an installation channel. The stator assembly is installed on the fixed bracket. The rotor assembly is movably arranged on the stator assembly. The rotating shaft assembly includes a motor shaft, which is rotatably arranged in the installation channel. The input end of the motor shaft is connected with the rotor assembly. The reciprocating assembly includes a reciprocating shaft and a reciprocating piece. The reciprocating shaft is connected to the output end of the motor shaft. The reciprocating shaft is provided with a reciprocating guide rail in the form of a closed curve around the axis of the reciprocating shaft. The peaks and valleys of the reciprocating guide rail are spaced along the axis of the reciprocating shaft. The reciprocating piece is limited on the reciprocating guide rail and can move on the reciprocating guide rail. The reciprocating piece is movably installed on the reciprocating piece.

[0005] The present application proposes a direct drive piston type air compressor in combination with the reciprocating power mechanism in the prior art to solve the problem of low working efficiency of the crankshaft swing lever air compressor. UTILITY MODEL CONTENTS

[0006] To solve the above technical problems, the purpose of the utility model is to provide a direct drive piston type air compressor with simple and reliable control mode, which effectively improves the driving efficiency of the piston.

[0007] The utility model discloses a direct drive piston type air compressor that solves the problem, which comprises a main body, a reciprocating assembly arranged in the main body, a power mechanism and a compression assembly, the power mechanism is fixedly arranged at the side end of the main body, an output shaft is arranged on the power mechanism, the output shaft extends into the main body and is in transmission connection with the reciprocating assembly, the compression assembly comprises a cylinder body and a piston, the cylinder body is arranged at the other end of the main body, a compression chamber is arranged in the cylinder body, the piston is movably arranged in the compression chamber, a transmission shaft is arranged on the piston, the transmission shaft extends into the main body and is in transmission connection with the reciprocating assembly, an air inlet and an air outlet that are in communication with the compression chamber are further arranged on the cylinder body, and an air outlet valve is communicated with the air outlet.

[0008] As a further improvement of the above technical solution, the piston has a first compression surface and a second compression surface facing away from each other, the first compression surface and one side inner wall of the compression chamber form a first working side, and the second compression surface and the other side inner wall of the compression chamber form a second working side; the air inlet comprises a first air inlet and a second air inlet, a first air inlet hole is communicated between the first air inlet and the first working side, and a second air inlet hole is communicated between the second air inlet and the second working side; the air outlet comprises a first air outlet and a second air outlet, a first air outlet hole is communicated between the first air outlet and the first working side, and a second air outlet hole is communicated between the second working side and the compression chamber.

[0009] As a further improvement of the above technical solution, the noise reduction device comprises an air inlet end and an air outlet end that are in communication with each other, the air outlet end is communicated with the first air inlet and the second air outlet, and fins are arranged between the air inlet end and the air outlet end.

[0010] As a further improvement of the above technical solution, the air outlet valve comprises an air inlet channel communicated with the first air outlet and the second air outlet, the air outlet valve further comprises an air outlet channel communicated with the air inlet channel, and a sealing plug is elastically connected between the air inlet channel and the air outlet channel.

[0011] As a further improvement of the above technical solution, the air outlet valve further comprises a pressure relief channel, the air inlet end of the pressure relief channel is communicated with the air inlet channel, and the air outlet end of the pressure relief channel is provided with a solenoid valve.

[0012] As a further improvement of the above technical solution, the output shaft extends transversely to both ends of the power mechanism, the main body and the cylinder body are symmetrically arranged at both ends of the power mechanism, the air outlet valve is arranged on one of the cylinder bodies, and a compression pipeline is further arranged, one end of the compression pipeline is communicated with the first air outlet and the second air outlet, and the other end of the compression pipeline is communicated with the air inlet channel.

[0013] As a further improvement of the above technical solution, a gas release valve is arranged on the main body.

[0014] The utility model discloses the beneficial effect is: when using, gas can enter the compression chamber from the air inlet, drives reciprocating assembly through power mechanism to drive the piston to do reciprocating motion, through the piston compression gas in the compression chamber, makes gas from the air outlet place discharge and leads to the air outlet valve, finally gas can discharge from the air outlet valve, and this control mode is simple and reliable, effectively improved the driving efficiency to the piston. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained and described below in combination with the description and specific embodiment.

[0016] Figure 1 It is the structure diagram in the utility model embodiment one;

[0017] Figure 2 It is the front view in the utility model embodiment one;

[0018] Figure 3 It is the section view of A-A part of Figure 2

[0019] Figure 4 It is the local enlarged view of A part of Figure 3

[0020] Figure 5 It is the structure diagram in the utility model embodiment two;

[0021] Figure 6 It is the front view in the utility model embodiment two;

[0022] Figure 7 It is the section view of B-B part of Figure 6

[0023] Figure 8 It is the plan view in the utility model embodiment two;

[0024] Figure 9 It is the section view of C-C part of Figure 8

[0025] ​​​​In the figure: 1 - main body, 2 - reciprocating assembly, 3 - power mechanism, 31 - output shaft, 4 - compression assembly, 41 - cylinder, 411 - compression chamber, 412 - air inlet, 412a - first air inlet, 412b - second air inlet, 413 - air outlet, 413a - first air outlet, 413b - second air outlet, 414 - first air hole, 415 - second air hole, 416 - first air hole, 417 - second air hole, 42 - piston, 421 - transmission shaft, 422 - first compression surface, 423 - second compression surface, 5 - air outlet valve, 51 - air inlet channel, 52 - air outlet channel, 53 - sealing plug, 54 - pressure relief channel, 55 - electromagnetic valve, 6 - noise reduction device, 61 - air inlet end, 62 - air outlet end, 63 - fin, 7 - compression pipeline, 8 - air release valve. DETAILED DESCRIPTION

[0026] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0027] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc., is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as the limitation of the utility model.

[0028] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than, etc. are not included in the number, above, below, etc. are understood as including the number.If there is a description to the first, the second is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0029] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection, etc. should be understood broadly, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0030] Reference Figures 1 to 4The utility model provides a kind of direct drive piston air compressor, including main body 1, reciprocating assembly 2 is provided in main body 1, still including power mechanism 3 and compression assembly 4, power mechanism 3 is fixedly arranged at the side end of main body 1, output shaft 31 is arranged on power mechanism 3, output shaft 31 extends into main body 1 and is transmissionally connected with reciprocating assembly 2, compression assembly 4 includes cylinder body 41 and piston 42, cylinder body 41 is arranged at the other end of main body 1, and compression chamber 411 is arranged in cylinder body 41, piston 42 is movably arranged in compression chamber 411, and transmission shaft 421 is arranged on piston 42, transmission shaft 421 extends into main body 1 and is transmissionally connected with reciprocating assembly 2, cylinder body 41 is further provided with intake port 412 and gas outlet 413 that communicate with compression chamber 411, and gas outlet 413 is communicated with gas outlet valve 5;

[0031] When using, gas can enter compression chamber 411 from intake port 412, drive reciprocating assembly 2 by power mechanism 3 to drive piston 42 to make reciprocating motion, compress the gas in compression chamber 411 by piston 4, make gas discharge from gas outlet 413 and lead to gas outlet valve 5, gas outlet valve 5 can adjust gas output, finally gas can be discharged from gas outlet valve 5, and the control mode is simple and reliable, effectively improve the driving efficiency of piston 42.

[0032] In preferred embodiments, piston 42 has first compression face 422 and second compression face 423 facing away from each other, first compression face 422 and the inner wall of one side of compression chamber 411 form first working side, and second compression face 423 and the inner wall of the other side of compression chamber 411 form second working side.

[0033] Intake port 412 includes first intake port 412 and second intake port 412, first intake port 412 and first working side are communicated with first intake hole 414, and second intake port 412 and second working side are communicated with second intake hole 415.

[0034] Gas outlet includes first gas outlet 413a and second gas outlet 413b, first gas outlet 413a and first working side are communicated with first gas outlet hole 416, and second working side and compression chamber 411 are communicated with second gas outlet hole 417.

[0035] In use, the gas enters from the first gas inlet 412 and the second gas inlet 412 respectively, and enters the first working side and the second working side through the first gas hole 414 and the second gas hole 415 respectively. When the piston 42 reciprocates, the first compression surface 422 can compress the gas in the first working side, so that the gas in the first working side is discharged from the first gas outlet hole 416 and enters the first gas outlet 413a. The second compression surface 423 can compress the gas in the second working side, so that the gas in the second working side is discharged from the second gas outlet hole 417 and enters the second gas outlet 413b. Finally, the gas can enter the gas outlet valve 5 from the first gas outlet 413a and the second gas outlet 413b.

[0036] In the preferred embodiment, the noise reduction device 6 is further included, which comprises a gas inlet end 61 and a gas outlet end 62 in communication with each other. The gas outlet end 62 is in communication with the first gas inlet 412 and the second gas outlet 413b. The gas inlet end 61 and the gas outlet end 62 are provided with fins 63 therebetween. When the gas passes through the gas inlet end 61, it can be blocked by the fins, thereby reducing the flow rate when passing through the gas outlet end 62, thereby playing a role in reducing noise.

[0037] In the preferred embodiment, the gas outlet valve 5 comprises a gas inlet channel 51 in communication with the first gas outlet 413a and the second gas outlet 413b. The gas outlet valve 5 further comprises a gas outlet channel 52 in communication with the gas inlet channel 51. The gas inlet channel 51 and the gas outlet channel 52 are elastically connected with a sealing plug 53. When the gas passes through the gas inlet channel 51, the sealing plug 53 can be lifted, so that the gas inlet channel 51 and the gas outlet channel 52 are in communication, thereby controlling the amount of gas.

[0038] In the preferred embodiment, the gas outlet valve 5 further comprises a pressure relief channel 54. The gas inlet end of the pressure relief channel 54 is in communication with the gas inlet channel 51. The gas outlet end of the pressure relief channel 54 is provided with a solenoid valve 55. The excess gas in the gas outlet channel 52 can be discharged from the pressure relief channel 54 and the amount of exhaust gas can be controlled by the solenoid valve 55.

[0039] In the preferred embodiment, with reference to Figures 5 to 9 , the output shaft 31 extends transversely to the two ends of the power mechanism 3. The power mechanism 3 is symmetrically provided with the main body 1 and the cylinder body 41 at the two ends. The gas outlet valve 5 is arranged on one of the cylinder bodies 41. The compression pipeline 7 is further included. One end of the compression pipeline 7 is in communication with the first gas outlet 413a and the second gas outlet 413b. The other end of the compression pipeline 7 is in communication with the gas inlet channel 51. The output shaft 31 has the characteristics of outputting at both ends. The compression assembly 4 is arranged at both ends of the output shaft, thereby realizing the design of double-cylinder double-piston compression at the same time, and further helping to improve the working efficiency of the direct-drive piston compression device.

[0040] In the preferred embodiment, the main body 1 is provided with a gas release valve 8, when the piston 42 reciprocates, part of the gas can enter the main body 1 through the transmission shaft 421, in order to prevent the gas pressure in the main body 1 from being too high, the gas in the main body 1 can be discharged outward through the gas release valve 8.

[0041] The above are only preferred embodiments of the utility model, and do not limit the patent range of the utility model, and any equivalent structural transformation made under the utility model concept of the utility model, or direct or indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. A direct drive piston air compressor, characterized in that: comprising a main body (1), a reciprocating assembly (2) is arranged in the main body (1), a power mechanism (3) and a compression assembly (4) are further arranged, the power mechanism (3) is fixedly arranged at one side end of the main body (1), an output shaft (31) is arranged on the power mechanism (3), the output shaft (31) extends into the main body (1) and is in transmission connection with the reciprocating assembly (2), the compression assembly (4) comprises a cylinder body (41) and a piston (42), the cylinder body (41) is arranged at the other end of the main body (1), a compression chamber (411) is arranged in the cylinder body (41), the piston (42) is movably arranged in the compression chamber (411), a transmission shaft (421) is arranged on the piston (42), the transmission shaft (421) extends into the main body (1) and is in transmission connection with the reciprocating assembly (2), an air inlet (412) and an air outlet (413) which are in communication with the compression chamber (411) are further arranged on the cylinder body (41), and an air outlet valve (5) is communicated at the air outlet (413).

2. The direct drive piston air compressor according to claim 1, characterized in that: the piston (42) has a first compression surface (422) and a second compression surface (423) which are opposite to each other, the first compression surface (422) and one side inner wall of the compression chamber (411) form a first working side, and the second compression surface (423) and the other side inner wall of the compression chamber (411) form a second working side; the air inlet (412) comprises a first air inlet (412) and a second air inlet (412), a first air inlet hole (414) is communicated between the first air inlet (412) and the first working side, and a second air inlet hole (415) is communicated between the second air inlet (412) and the second working side; and the air outlet comprises a first air outlet (413a) and a second air outlet (413b), a first air outlet hole (416) is communicated between the first air outlet (413a) and the first working side, and a second air outlet hole (417) is communicated between the second working side and the compression chamber (411).

3. The direct drive piston air compressor according to claim 2, characterized in that: further comprising a noise reduction device (6), the noise reduction device (6) comprises an air inlet end (61) and an air outlet end (62) which are communicated with each other, the air outlet end (62) is communicated with the first air inlet (412) and the second air outlet (413b), and fins (63) are arranged between the air inlet end (61) and the air outlet end (62).

4. The direct drive piston air compressor according to claim 3, characterized in that: the air outlet valve (5) comprises an air inlet channel (51) which is communicated with the first air outlet (413a) and the second air outlet (413b), the air outlet valve (5) further comprises an air outlet channel (52) which is communicated with the air inlet channel (51), and a sealing plug (53) is elastically connected between the air inlet channel (51) and the air outlet channel (52).

5. The direct drive piston air compressor according to claim 4, characterized in that: ​ ​ ​ ​ ​ ​ The air outlet valve (5) further comprises a pressure relief channel (54), an air inlet end of the pressure relief channel (54) is communicated with the air inlet channel (51), and an air outlet end of the pressure relief channel (54) is provided with a solenoid valve (55).

6. The direct drive piston air compressor of claim 5, wherein: The output shaft (31) extends transversely to both ends of the power mechanism (3), and the power mechanism (3) is symmetrically provided with the main body (1) and the cylinder body (41) at both ends, the air outlet valve (5) is arranged on one of the cylinder bodies (41), and further comprises a compression pipeline (7), one end of the compression pipeline (7) is communicated with the first air outlet (413a) and the second air outlet (413b), and the other end of the compression pipeline (7) is communicated with the air inlet channel (51).

7. A direct drive piston air compressor as claimed in claim 6 wherein: The main body (1) is provided with the air release valve (8).

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