Efficient energy-saving compression pump

Abstract

An efficient energy-saving compression pump comprises a pump body and a driving part. A driving cavity and an air cavity which are communicated with each other are formed in the pump body, a pressure cylinder is arranged in the air cavity, a piston with a first through hole is slidably mounted in the pressure cylinder, and an air inlet communicated with the driving cavity and an air outlet communicated with the pressure cylinder are formed in the pump body; the driving part comprises a stator and a rotor, the stator is installed in the driving cavity and adopts an excitation winding enclosing the rotor, a permanent magnet corresponding to the excitation winding is arranged on the rotor, and a supporting rod penetrating through the side wall of the driving cavity and connected with the piston is arranged on the rotor; after the excitation winding is powered on, the rotor can be driven to reciprocate so as to drive the piston, and the piston presses gas entering the driving cavity from the gas inlet into the pressing cylinder through the first through hole and enables the gas to be discharged through the gas outlet. According to the scheme, a mechanical structure for converting motion modes does not need to be designed, the manufacturing cost can be reduced, energy consumption can be reduced, heat generated during working can be discharged from the air outlet, the service life of the compression pump is prolonged, and the working efficiency of the compression pump is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to compression pump technical field especially relates to a kind of efficient energy-saving compression pump. BACKGROUND

[0002] Compression pump is the most common pump body product in current mechanical industry, and the commonly used compression pump includes reciprocating, rotary, scroll and other structural forms, among which, reciprocating structure is the most widely used.

[0003] Traditional reciprocating compression pump is driven by rotary motor, and rotary motor converts rotary motion into linear motion through mechanical structure, which not only has high manufacturing cost, but also has much energy loss in conversion process, and the heat generated during work cannot be discharged in time, which affects the service life and working efficiency of compression pump.

[0004] Therefore, it is necessary to design an efficient energy-saving compression pump to solve the problem. UTILITY MODEL CONTENTS

[0005] Technical problem solved

[0006] The utility model provides a kind of efficient energy-saving compression pump, can discharge the heat generated during work while reducing manufacturing cost and reducing energy consumption, improve the service life and working efficiency of compression pump.

[0007] Technical scheme

[0008] To achieve the above object, the utility model provides the following technical scheme:

[0009] An efficient energy-saving compression pump, comprising a pump body and a driving member, the pump body is provided with an air inlet and an air outlet, the pump body is internally provided with a driving cavity and a gas cavity connected with each other, the driving cavity is connected with the air inlet, the gas cavity is internally provided with a compression cylinder connected with the air outlet, the compression cylinder is internally provided with a movable piston, the piston is provided with a first through hole connected with the gas cavity and the compression cylinder, the driving member comprises a stator and a rotor, the stator is fixedly installed in the driving cavity and adopts excitation winding, the excitation winding surrounds the rotor, the rotor is provided with a permanent magnet corresponding to the excitation winding, and the rotor is further provided with a support rod penetrating through the side wall of the driving cavity and connected with the piston.

[0010] The excitation winding generates an oscillating magnetic field after being electrified, the magnetic field drives the permanent magnet on the mover, the magnetic field is reversed by changing the current direction, and the mover is driven to move linearly, so that the piston is driven to move back and forth in the pressure cylinder by the branch rod; at the same time, the piston can press the gas in the driving cavity and the gas cavity from the air inlet into the pressure cylinder through the first through hole, and make the gas exhaust through the air outlet, and in this process, the heat generated by the operation of the excitation winding and the mover and dissipated into the driving cavity and the gas cavity is carried out together with the gas.

[0011] Preferably, the excitation winding is composed of a core and a plurality of coils wound on the core.

[0012] Preferably, a second through hole communicating with the gas cavity is formed in the side wall of the pressure cylinder, and the second through hole is located between the piston and the air outlet, so that the piston can press the gas in the gas cavity into the pressure cylinder through the second through hole; the first through hole and the second through hole are independently arranged or arranged together.

[0013] Preferably, a fastening sleeve is installed on the side wall of the driving cavity, the fastening sleeve is in sliding fit with the branch rod, and the fastening sleeve can limit the rotation of the branch rod.

[0014] Preferably, a sliding hole is provided on the fastening sleeve, at least one limiting surface is provided on the inner side of the sliding hole, the branch rod slidably penetrates the sliding hole and is connected with the piston, and a limiting edge on the branch rod is adapted to abut against the limiting surface.

[0015] Preferably, a noise reduction seat is further installed on the pump body, a buffer cavity is provided in the noise reduction seat, a gas guide hole communicating with the buffer cavity is formed in the bottom wall of the pressure cylinder, and the air outlet is provided on the noise reduction seat and communicates with the buffer cavity.

[0016] Preferably, a rubber cover for closing the gas guide hole is installed on the pump body, and when the piston extrudes the gas in the pressure cylinder to the gas guide hole, the rubber cover is opened by the impact of the gas to make the gas enter the buffer cavity.

[0017] Preferably, the buffer cavity includes a first partition cavity and a second partition cavity in communication with each other, the gas guide hole communicates with the first partition cavity, the air outlet communicates with the second partition cavity, and a gas blocking plate is provided at the communication between the second partition cavity and the first partition cavity to block the gas, so as to prevent the gas in the first partition cavity from directly entering the second partition cavity.

[0018] Preferably, the buffer cavity further comprises a third sub-cavity arranged in the second sub-cavity, the air outlet is only connected to the third sub-cavity, the third sub-cavity is provided with an opening on the side wall away from the air baffle and connected to the second sub-cavity, and the third sub-cavity is internally provided with a baffle with an irregularly shaped blocking groove.

[0019] Preferably, the air inlet is designed opposite to the stator.

[0020] Preferably, the air inlet and the air outlet are both provided with a connecting end.

[0021] Preferably, the air cavity is provided with two air cavities distributed on the left and right sides of the driving cavity, the air inlet is provided with two air inlets connected to the two air cavities, respectively, and the two air cavities are both provided with the cylinder and the piston; the mover is provided with the support rod at both ends, the two support rods are respectively extended through the left and right side walls of the driving cavity and connected to the two pistons; and the current direction of the excitation winding can drive the mover to reciprocate and in turn drive the two pistons to extrude the corresponding cylinders.

[0022] (Three) beneficial effects

[0023] The efficient and energy-saving compression pump provided by the utility model drives the mover to linear reciprocate through the design of excitation winding cooperating with permanent magnet, and does not need to additionally design mechanical structure for converting movement mode, can effectively reduce manufacturing cost and reduce energy consumption; through the design of unique air path structure, can discharge the heat generated by excitation winding and mover work from the air outlet, prevents related components from being damaged due to overheating, prolongs the service life of the compression pump and improves the working efficiency of the compression pump. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute limitation to the utility model, in the drawings:

[0025] Figure 1 The overall structure schematic view of the utility model is shown;

[0026] Figure 2 The front view of Figure 1 is shown;

[0027] Figure 3 The A-A sectional view of Figure 2 is shown;

[0028] Figure 4 The B-B sectional view of Figure 2 is shown;

[0029] Figure 5 The C-C sectional view of Figure 2 is shown;

[0030] Figure 6 The exploded schematic view of the overall structure of the utility model is shown Figure 1 ;

[0031] Figure 7 The exploded schematic view of the overall structure of the utility model is shown Figure 2 ;

[0032] Figure 8 The exploded schematic view of the overall structure of the utility model is shown

[0033] Figure 9 The internal structure schematic view of the noise reduction seat of the utility model is shown.

[0034] In the figure: 1 pump body, 10 connecting end, 101 air inlet, 102 air outlet, 11 drive cavity, 12 air cavity, 13 pressure cylinder, 130 second through hole, 131 air guide hole, 14 piston, 140 first through hole, 15 fastening sleeve, 150 sliding hole, 1500 limiting surface, 16 rubber cover, 2 driving part, 21 stator, 210 excitation winding, 211 iron core, 212 coil, 22 rotor, 220 permanent magnet, 221 supporting rod, 2210 limiting edge, 3 noise reduction seat, 30 buffer cavity, 300 air baffle, 301 first partition cavity, 302 second partition cavity, 303 third partition cavity, 3031 gap, 3032 stop block, 3033 resistance groove. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application. It can be understood that the drawings are only provided for reference and illustration, and are not used to limit the present application. The connection relationship shown in the drawings is only for clear description, and does not limit the connection mode.

[0036] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component, or a middle component can exist at the same time. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. It should also be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The terms used in the description of the present application are only for the purpose of describing the specific embodiments of the present application, and are not intended to limit the present application.

[0037] It should also be noted that in the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and are not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0038] Referring to the drawings Figure 1 -Appendix Figure 9 A high-efficiency energy-saving compression pump, comprising a pump body 1 and a driving member 2; the pump body 1 is provided with an air inlet 101 and an air outlet 102, and the pump body 1 is internally provided with a driving cavity 11 and a gas cavity 12 which are connected to each other, the driving cavity 11 is connected to the air inlet 101, and the gas cavity 12 is internally provided with a compression cylinder 13 which is connected to the air outlet 102, and the compression cylinder 13 is internally provided with a movable piston 14 which is adapted to be installed, and the piston 14 is provided with a first through hole 140 which is connected to the gas cavity 12 and the compression cylinder 13; the driving member 2 comprises a stator 21 and a rotor 22, the stator 21 is fixedly installed in the driving cavity 11 and adopts an excitation winding 210, and the excitation winding 210 surrounds the rotor 22, and the rotor 22 is provided with a permanent magnet 220 which corresponds to the excitation winding 210, and the rotor 22 is further provided with a supporting rod 221 which penetrates the side wall of the driving cavity 11 and is connected to the piston 14; the excitation winding 210 can drive the rotor 22 to reciprocate and drive the piston 14 after being energized.

[0039] Specifically, before use, it is necessary to confirm that the air inlet 101 is connected to the driving cavity 11, the driving cavity 11 is connected to the gas cavity 12, the gas cavity 12 is connected to the compression cylinder 13 through the first through hole 140, and the compression cylinder 13 is connected to the air outlet 102, so as to ensure that the gas circuit is unobstructed;

[0040] In use, the excitation winding 210 is supplied with alternating current, and the excitation winding 210 generates an oscillating magnetic field after being electrified, the magnetic field drives the permanent magnet 220 on the mover 22, the magnetic field is reversed by controlling the current direction, and the mover 22 is driven to move linearly reciprocating, so as to drive the piston 14 to move back and forth in the compression cylinder 13 through the support rod 221, so as to realize the basic function of the compression pump; at the same time, the piston 14 can press the gas in the driving cavity 11 and the gas cavity 12 into the compression cylinder 13 through the first through hole 140, and make the gas be discharged through the gas outlet 102, and the heat generated by the operation of the excitation winding 210 and the mover 22 and dissipated into the driving cavity 11 and the gas cavity 12 is carried out together by the gas.

[0041] In summary, compared with the prior art, the utility model discloses a design excitation winding 210 cooperates permanent magnet 220 to drive the mover 22 linear reciprocating motion, without additional design for converting the mechanical structure of the movement mode, can effectively reduce the manufacturing cost, and improve the kinetic energy transmission efficiency, reduce unnecessary energy loss, at the same time, since it is linear motion, the contact area of the piston 14 around and the inner wall of the compression cylinder 13 is equivalent, can reduce unnecessary friction and expand the limit of air pressure, through the design of unique gas path structure, for the heat generated by the excitation winding 210 and the mover 22 is discharged from the gas outlet 102, prevent related components from being damaged due to overheating, prolong the service life of the compression pump and improve the working efficiency of the compression pump.

[0042] It should be noted that the excitation winding 210 is a key component in the motor and generator, mainly used for generating a magnetic field, and the magnetic field strength can be adjusted according to the current size; the conventional excitation winding 210 on the market is mainly composed of a core 211 and a plurality of coils 212 wound on the core 211, the plurality of coils 212 generates a magnetic field after being electrified, and the magnetic field can be reversed by changing the direct current power supply of the current direction; on the other hand, a frequency converter (not shown) can be electrically connected to the excitation winding 210, the frequency converter can adjust the current size by changing the frequency and voltage of the power supply to accurately control the working frequency of the excitation winding 210, and can also adjust the current direction by changing the phase sequence of the three-phase power to accurately control the driving state of the excitation winding 210 and the mover 22, so that the compression pump has a frequency conversion function to realize energy-saving speed regulation and better protect related components; the excitation winding 210 can also include other related components to have other special functions, and the frequency converter can also have other control functions, since the types of excitation winding 210 and frequency converter are various and belong to the prior art, therefore, the specific types and structures are not limited in the utility model, and the related structure principles are not described in detail.

[0043] Referring to the drawings Figure 3 and the drawings Figure 7The second through hole 130 is arranged on the side wall of the cylinder 13 and is connected with the air cavity 12.

[0044] Specifically, when the excitation winding 210 drives the mover 22 to move and drives the piston 14 to move along the cylinder 13, the piston 14 can press the gas in the air cavity 12 into the cylinder 13 through the second through hole 130, and the gas in the cylinder 13 is discharged from the discharge port, so that the second through hole 130 has the similar effect as the first through hole 140.

[0045] The first through hole 140 and the second through hole 130 can be arranged independently or together, the first through hole 140 and the second through hole 130 are arranged independently, so that the manufacturing cost is saved, the first through hole 140 and the second through hole 130 are arranged together, so that the gas in the driving cavity 11 and the air cavity 12 is more easily introduced into the cylinder 13, and the heat dissipation efficiency is improved; the manufacturer can set according to the user demand during production, and the utility model does not limit this.

[0046] Referring to the accompanying drawings Figure 1 - the accompanying drawings Figure 8 The driving cavity 11 is provided with a fastening sleeve 15 on the side wall, the fastening sleeve 15 is in sliding fit with the support rod 221, and the fastening sleeve 15 can limit the rotation of the support rod 221; this design can avoid the rotation of the mover 22, and at the same time, the support rod 221 can reciprocate more stably.

[0047] Referring to the accompanying drawings Figure 3 - the accompanying drawings Figure 6 and the accompanying drawings Figure 9 The fastening sleeve 15 is provided with a sliding hole 150, at least one limiting surface 1500 is arranged on the inner side of the sliding hole 150, the support rod 221 is slidably arranged through the sliding hole 150 and connected with the piston 14, and the support rod 221 is provided with a limiting edge 2210 which is adapted to abut against the limiting surface 1500, the cooperation between the sliding hole 150 and the support rod 221 enables the mover 22 to move back and forth in the driving cavity 11, and the cooperation between the limiting surface 1500 and the limiting edge 2210 limits the rotation of the support rod 221 and the mover 22.

[0048] It should be noted that the limiting surface 1500 can also be provided with multiple limiting surfaces, and the limiting edge 2210 is provided with multiple limiting edges corresponding to the limiting surfaces, and the utility model does not limit this; on the other hand, in addition to the above structure, other limiting structures can also be designed on the fastening sleeve 15 to limit the sliding of the support rod 221 and prevent the rotation of the support rod 221, and the utility model does not limit this due to the variety of related structures.

[0049] Referring to the accompanying drawings Figure 1 - the accompanying drawings Figure 8, considering that directly discharging the gas in the compression cylinder 13 from the gas outlet 102 will generate a large noise, affecting the use experience, in order to solve this problem, the pump body 1 of the utility model is further provided with a noise reduction seat 3, the noise reduction seat 3 is internally provided with a buffer cavity 30, the compression cylinder 13 bottom wall is provided with a gas guide hole 131 connected with the buffer cavity 30, and the gas outlet 102 is arranged on the noise reduction seat 3 and is connected with the buffer cavity 30.

[0050] Specifically, after the gas in the compression cylinder 13 enters the buffer cavity 30 through the gas guide hole 131, the buffer cavity 30 can increase the flow space of the gas, so that the high-speed airflow from the gas guide hole 131 is buffered and reduced, thereby playing a noise reduction effect.

[0051] Referring to the accompanying drawings Figure 4 - the accompanying drawings Figure 6 The pump body 1 is provided with a rubber cover 16 for closing the gas guide hole 131, and when the piston 14 extrudes the gas in the compression cylinder 13 to the gas guide hole 131, the rubber cover 16 is opened by the impact of the gas to make the gas enter the buffer cavity 30; the design of the rubber cover 16 can avoid the dust from the outside entering the compression cylinder 13 through the gas outlet 102 and the gas guide hole 131, and can also block the buffer gas, so that the gas entering the buffer cavity 30 from the gas guide hole 131 is relatively stable.

[0052] Referring to the accompanying drawings Figure 4 - the accompanying drawings Figure 8 The buffer cavity 30 comprises a first partition cavity 301 and a second partition cavity 302 connected with each other, the gas guide hole 131 is connected with the first partition cavity 301, the gas outlet 102 is connected with the second partition cavity 302, and a gas blocking plate 300 for blocking the gas is arranged at the connection position of the second partition cavity 302 and the first partition cavity 301, so as to prevent the gas in the first partition cavity 301 from directly entering the second partition cavity 302.

[0053] Specifically, after the gas in the compression cylinder 13 enters the first partition cavity 301 through the gas guide hole 131, the first partition cavity 301 is gradually filled with the gas, and the gas flow rate is preliminarily slowed down in this process, and when the gas in the first partition cavity 301 enters the second partition cavity 302, the second partition cavity 302 is also gradually filled with the gas, so as to buffer the gas flow rate again; therefore, the cooperation of the first partition cavity 301 and the second partition cavity 302 forms a two-stage buffer, which can further reduce the noise; in addition, the gas blocking plate 300 can block the gas again in the process of flowing into the second partition cavity 302, so as to avoid the abnormal sound caused by the direct pouring of the gas into the second partition cavity 302.

[0054] Referring to the accompanying drawings Figure 4 - the accompanying drawings Figure 8, the buffer cavity 30 further comprises a third partition cavity 303 arranged in the second partition cavity 302, the gas outlet 102 only connects the third partition cavity 303, the third partition cavity 303 is provided with an opening 3031 on the side wall, the opening 3031 is away from the baffle plate 300 and connects the second partition cavity 302, and the third partition cavity 303 is internally provided with a stop block 3032 with an irregular shape blocking groove 3033.

[0055] Specifically, first, after the gas in the second partition cavity 302 enters the third partition cavity 303, the gas will gradually fill the third cavity, forming a three-level cache, ensuring that the gas flow speed is stable, and reducing the vibration and noise generated by the high-speed gas flow impacting the surrounding air or the noise reduction seat 3; second, the gas flow entering the third partition cavity 303 through the opening 3031 will be dispersed in multiple directions and paths under the guidance of the stop block 3032 and the blocking groove 3033, so that the gas flow is more uniform, avoiding the strong noise generated by concentrated gas flow impact; in addition, the internal shape structure of the third partition cavity 303 also makes the sound waves reflect and interfere multiple times inside, and part of the sound waves are cancelled out in this process, further improving the noise reduction effect.

[0056] Referring to the accompanying drawings Figure 1 - the accompanying drawings Figure 4 The air inlet 101 is designed opposite to the stator 21, so that the gas entering the driving cavity 11 from the air inlet 101 can directly wrap the heat on the stator 21, and is discharged through the gas outlet 102 under the action of the piston 14.

[0057] Referring to the accompanying drawings Figure 1 - the accompanying drawings Figure 4 The air inlet 101 and the gas outlet 102 are both provided with a connection end 10, which facilitates the connection of the air inlet 101 and the gas outlet 102 with gas supply equipment, terminal equipment and other devices (not shown in the figure).

[0058] Referring to the accompanying drawings Figure 1 - the accompanying drawings Figure 9 The gas cavity 12 is provided with two gas cavities 12 distributed on the left and right sides of the driving cavity 11, the air inlet 101 is provided with two air inlets 101 respectively connecting the two gas cavities 12, and the two gas cavities 12 are both provided with a cylinder 13 and a piston 14; the mover 22 is provided with a support rod 221 at both ends, the two support rods 221 respectively extend through the left and right side walls of the driving cavity 11 and connect the two pistons 14; the current direction of the control excitation winding 210 can drive the mover 22 to reciprocate and in turn drive the two pistons 14 to press the corresponding cylinders 13.

[0059] Specifically, the above structure design fully utilizes the characteristics of the reciprocating motion of the mover 22, saves energy consumption effectively, and makes the compression pump have a double-cylinder effect, further improving the usability of the compression pump.

[0060] It should be noted that in the case of two air chambers 12 provided in the pump body 1, the fastening sleeve 15, the noise reduction seat 3, the rubber cover 16 and the like should also be provided with two corresponding and respectively installed in the corresponding positions, and the specific can refer to the drawings, and this place is not repeated.

[0061] In the specification and claims of this application, the words "comprise / comprising" and the words "have / having" and their conjugates, are used to specify the presence of stated features, integers, steps or components but do not preclude the presence or addition of one or more other features, integers, steps, components, or groups thereof.

[0062] Some features of the present application are described in different embodiments for clarity, however, these features can also be combined in a single embodiment. Conversely, some features of the present application, for brevity, are described in a single embodiment only, however, these features can also be described in different embodiments, alone or in any suitable combination.

[0063] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A high efficiency energy saving compression pump characterized by, The utility model relates to a pump body (1) is provided with air inlet (101) and air outlet (102) on, inside be equipped with the drive chamber (11) and the air chamber (12) of mutual access of pump body (1), drive chamber (11) access air inlet (101), inside be equipped with the compression cylinder (13) of air outlet (102) of access of air chamber (12), the movable piston (14) of adaptation installation is equipped with in compression cylinder (13), piston (14) have first through -hole (140) of intercommunication air chamber (12) and compression cylinder (13) on, Driving piece (2) includes stator (21) and mover (22), stator (21) is fixedly installed in drive chamber (11) and adopts excitation winding (210), and excitation winding (210) surrounds mover (22) in, and mover (22) is equipped with permanent magnet (220) corresponding excitation winding (210) on, and mover (22) is equipped with still the support rod (221) of passing through drive chamber (11) side wall and connecting piston (14) on, Wherein, excitation winding (210) energization can drive mover (22) reciprocating movement and drive piston (14), piston (14) passes through first through -hole (140) and press into compression cylinder (13) from the gas that air inlet (101) enters drive chamber (11) in, and make gas discharge via air outlet (102). Second through -hole (130) is set up on compression cylinder (13) side wall and access air chamber (12), and second through -hole (130) is located between piston (14) and air outlet (102), to make piston (14) can pass through second through -hole (130) and press into compression cylinder (13) in the gas in air chamber (12), first through -hole (140) and second through -hole (130) are independently arranged or set together.

2. The high efficiency and energy saving compression pump according to claim 1, wherein, Fastening sleeve (15) is installed on drive chamber (11) side wall, fastening sleeve (15) and support rod (221) slide fit, and fastening sleeve (15) can limit the rotation of support rod (221).

3. The high efficiency and energy saving compression pump according to claim 1, wherein, Second through -hole (130) is set up on compression cylinder (13) side wall and access air chamber (12), and second through -hole (130) is located between piston (14) and air outlet (102), to make piston (14) can pass through second through -hole (130) and press into compression cylinder (13) in the gas in air chamber (12), first through -hole (140) and second through -hole (130) are independently arranged or set together.

4. The high efficiency and energy saving compression pump according to claim 3, wherein, Fastening sleeve (15) is installed on drive chamber (11) side wall, fastening sleeve (15) and support rod (221) slide fit, and fastening sleeve (15) can limit the rotation of support rod (221).

5. The high efficiency and energy saving compression pump according to claim 1, wherein, Fastening sleeve (15) is equipped with slide hole (150) on, at least one limit surface (1500) is equipped on the inboard of slide hole (150), support rod (221) can slidably pass through slide hole (150) and connect piston (14), and support rod (221) is equipped with limit edge (2210) of adaptation abutment limit surface (1500). Pump body (1) is further equipped with noise reduction seat (3), inside be equipped with buffer cavity (30) of noise reduction seat (3), the bottom wall of compression cylinder (13) is equipped with the air guide hole (131) of access buffer cavity (30), and air outlet (102) is set up on noise reduction seat (3) and access buffer cavity (30).

6. The high-efficiency, energy-saving compression pump of claim 5, wherein, The pump body (1) is provided with a rubber cover (16) for closing the air guide hole (131), and when the piston (14) extrudes the gas in the compression cylinder (13) to the air guide hole (131), the rubber cover (16) is opened by the gas impact to make the gas enter the buffer cavity (30).

7. The high-efficiency, energy-saving compression pump of claim 5, wherein, The buffer cavity (30) comprises a first cavity (301) and a second cavity (302) connected to each other, the air guide hole (131) connects the first cavity (301), the air outlet (102) connects the second cavity (302), and the connection part of the second cavity (302) and the first cavity (301) is provided with a gas blocking plate (300) for blocking the gas to prevent the gas in the first cavity (301) from directly entering the second cavity (302).

8. The high efficiency and energy saving compression pump according to claim 7, wherein, The buffer cavity (30) further comprises a third cavity (303) arranged in the second cavity (302), the air outlet (102) only connects the third cavity (303), the third cavity (303) is provided with a gap (3031) away from the gas blocking plate (300) and connecting the second cavity (302) on the side wall, and the third cavity (303) is provided with a blocking block (3032) with an irregular shape blocking groove (3033) inside.

9. The high efficiency and energy saving compression pump according to claim 1, wherein, The air inlet (101) is designed opposite to the stator (21).

10. The energy efficient compression pump of any one of claims 1-9, wherein, The air cavity (12) is provided with two air cavities (12) distributed on the left and right sides of the driving cavity (11), the air inlet (101) is provided with two air inlets (101) respectively connecting the two air cavities (12), and the two air cavities (12) are respectively provided with the compression cylinder (13) and the piston (14); the mover (22) is provided with the support rod (221) at both ends, the two support rods (221) respectively extend through the left and right side walls of the driving cavity (11) and connect the two pistons (14); controlling the current direction of the excitation winding (210) can drive the mover (22) to reciprocate and drive the two pistons (14) to extrude the corresponding compression cylinder (13).

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