CN216077582U

CN216077582U - Air inlet mechanism of two-stage compression screw type air compressor

Info

Publication number: CN216077582U
Application number: CN202121631720.XU
Authority: CN
Inventors: 徐丽
Original assignee: Fujian Xinbao Energy Technology Co ltd
Current assignee: Fujian Xinbao Energy Technology Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-03-18
Anticipated expiration: 2031-07-19

Abstract

The utility model relates to the technical field of air compressors, in particular to an air inlet mechanism of a two-stage compression screw type air compressor, which aims at solving the problem that the existing filter screen is easy to block. The dust-removing device is reasonable in structure and simple to operate, effectively prevents the filter screen in the air inlet mechanism from being blocked, further ensures the operation continuity of the air inlet mechanism, can circularly guide the dust removed from the filter screen out of the frame, and solves the problem that the removed dust is easy to re-attach to the filter screen.

Description

Air inlet mechanism of two-stage compression screw type air compressor

Technical Field

The utility model relates to the field of air compressors, in particular to an air inlet mechanism of a two-stage compression screw type air compressor.

Background

Doublestage compression screw air compressor machine is also called double-screw air compressor, is a biax positive displacement gyration type air compressor, current doublestage compression screw air compressor machine's air inlet mechanism is when using, the problem of jam appears easily after long-time the use in the inside filter screen of air inlet mechanism, and the dust on the filter screen is after being cleared up, adheres to on the filter screen again easily and causes the jam again, and then is difficult to guarantee the continuity of air inlet mechanism function, for this reason, this scheme has provided a mechanism of admitting air of compression doublestage screw air compressor machine.

SUMMERY OF THE UTILITY MODEL

The air inlet mechanism of the two-stage compression screw type air compressor provided by the utility model solves the problem that a filter screen is easy to block in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an air inlet mechanism of doublestage compression screw air compressor machine, includes the frame, the inside of frame is provided with the filter screen, prevents stifled subassembly and two dust removal subassemblies, prevent stifled subassembly including installing motor and the sliding connection on the frame inner wall and be close to the strip of scraping on one side outer wall at two dust removal subassemblies, scrape strip and filter screen butt, the spout has been seted up to the outer wall of scraping the strip, the connecting rod is installed to the one end of motor output shaft, the actuating lever is installed to the other end of connecting rod, the one end of actuating lever extend to the inside of spout, and with the sliding connection of spout, a plurality of vents have been seted up on the outer wall of frame one side, two dust removal subassembly is installed respectively on the inner wall of frame top and bottom.

Preferably, the dust removal subassembly is including installing the fixed block on the frame inner wall and seting up in the inside gas tank of fixed block, drive assembly is installed to the inner wall in gas tank, first round platform groove has all been seted up to the both sides of fixed block top outer wall, the second round platform groove has all been seted up to the outer wall of fixed block both sides, and just first round platform groove and second round platform groove all communicate with the gas tank, first flexible subassembly is all installed to the both sides of gas tank bottom inner wall, and first round platform shaped block is all installed on the top of two first flexible subassemblies, and first round platform shaped block and first round platform groove mutually support, the flexible subassembly of second is all installed through the fixed strip in the both sides of gas tank inner wall, and the one end that two flexible subassemblies of second were kept away from all installs second round platform shaped block, and second round platform shaped block and second round platform groove mutually support.

Preferably, the driving assembly comprises a bidirectional hydraulic cylinder arranged on the inner wall of the air groove and piston blocks arranged at two ends of the bidirectional hydraulic cylinder, and the outer wall of each piston block is in sliding connection with the inner wall of the air groove.

Preferably, the first telescopic assembly comprises a first telescopic rod arranged on the inner wall of the bottom of the air tank and a first spring sleeved outside the first telescopic rod, the extension end of the first telescopic rod is fixedly connected with the bottom of the first circular truncated cone-shaped block, one end of the first spring is fixedly connected with the inner wall of the air tank, and the other end of the first spring is fixedly connected with the outer wall of the first circular truncated cone-shaped block.

Preferably, the second telescopic assembly comprises a second telescopic rod arranged on the outer wall of the fixing strip and a second spring sleeved outside the second telescopic rod, the extension end of the second telescopic rod is fixedly connected with the outer wall of the second circular truncated cone-shaped block, one end of the second spring is fixedly connected with the outer wall of the fixing strip, and the other end of the second spring is fixedly connected with the outer wall of the second circular truncated cone-shaped block.

Preferably, two limiting rods are installed on the inner wall of the frame, the limiting rods penetrate through the scraping strips and are in sliding connection with the scraping strips.

The utility model has the beneficial effects that:

1. through the setting of filter screen, can prevent that the dust from entering into inside the air compressor machine through air intake mechanism, through the cooperation of preventing stifled subassembly each part, can circulate and clear away adnexed dust on the filter screen, avoided adnexed dust more to lead to the problem of filter screen jam easily on the filter screen, and then guaranteed the continuity of air intake mechanism function.

2. Through the cooperation of each part of two dust removal assemblies, can derive the dust circulation of cleaing away on the filter screen to the frame outside, solve the dust of cleaing away and adhere to the problem on the filter screen again easily, improved the effect to the filter screen clearance.

The dust-removing device is reasonable in structure and simple to operate, effectively prevents the filter screen in the air inlet mechanism from being blocked, further ensures the operation continuity of the air inlet mechanism, can circularly guide the dust removed from the filter screen out of the frame, and solves the problem that the removed dust is easy to re-attach to the filter screen.

Drawings

Fig. 1 is a front sectional view of the internal structure of the present invention.

Fig. 2 is a right side view of the internal structure of the present invention.

Fig. 3 is an enlarged view of the utility model at a in fig. 1.

Fig. 4 is an enlarged view of the utility model at B in fig. 1.

Reference numbers in the figures: 1. a frame; 2. a filter screen; 3. a motor; 4. scraping the strips; 5. a connecting rod; 6. a drive rod; 7. a chute; 8. a vent; 9. a fixed block; 10. an air tank; 11. a first circular truncated groove; 12. a second circular truncated groove; 13. a first truncated cone-shaped block; 14. a second truncated cone-shaped block; 15. a bidirectional hydraulic cylinder; 16. a piston block; 17. a first telescopic rod; 18. a first spring; 19. a second telescopic rod; 20. a second spring; 21. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an air intake mechanism of a two-stage compression screw air compressor comprises a frame 1, a filter screen 2, an anti-blocking component and two dust removing components are arranged inside the frame 1, the anti-blocking component comprises a motor 3 arranged on the inner wall of the frame 1 and a scraping strip 4 connected to the two dust removing components in a sliding manner and close to the outer wall of one side, the scraping strip 4 is abutted to the filter screen 2, a chute 7 is arranged on the outer wall of the scraping strip 4, a connecting rod 5 is arranged at one end of an output shaft of the motor 3, a driving rod 6 is arranged at the other end of the connecting rod 5, one end of the driving rod 6 extends into the chute 7 and is connected with the chute 7 in a sliding manner, a plurality of ventilation openings 8 are arranged on the outer wall of one side of the frame 1, the ventilation openings 8 are arranged to facilitate external air to enter the frame 1, the connecting rod 5 is driven by the output shaft of the motor 3 to rotate clockwise, and are connected with the chute 7 in a sliding manner through the driving rod 6, the driving rod 6 is driven to slide downwards along the inner wall of the sliding groove 7, so that the scraping strip 4 is driven to horizontally move leftwards along the outer wall of the filter screen 2, when the scraping strip 4 moves to the middle position of the filter screen 2, the driving rod 6 starts to move upwards along the inner wall of the sliding groove 7, so that the scraping strip 4 is driven to continuously horizontally move leftwards along the outer wall of the filter screen 2, when the driving rod 6 moves to the middle of the sliding groove 7, the scraping strip 4 just moves leftwards to the edge of the left side of the filter screen 2, and when the driving rod 6 continuously moves upwards along the inner wall of the sliding groove 7, the scraping strip 4 is driven to horizontally move rightwards along the outer wall of the filter screen 2, so that the dust on the outer wall of the filter screen 2 is circularly scraped by the reciprocating movement of the scraping strip 4 left and right, and the filter screen 2 is prevented from being blocked;

the two dust removing components are respectively arranged on the inner walls of the top and the bottom of the frame 1, each dust removing component comprises a fixed block 9 arranged on the inner wall of the frame 1 and an air groove 10 arranged inside the fixed block 9, a driving component is arranged on the inner wall of the air groove 10, the driving component comprises a bidirectional hydraulic cylinder 15 arranged on the inner wall of the air groove 10 and piston blocks 16 arranged at two ends of the bidirectional hydraulic cylinder 15, the outer wall of each piston block 16 is in sliding connection with the inner wall of the air groove 10, first circular truncated cone-shaped grooves 11 are respectively arranged at two sides of the outer wall of the top of the fixed block 9, second circular truncated cone-shaped grooves 12 are respectively arranged on the outer walls of two sides of the fixed block 9, the first circular truncated cone-shaped grooves 11 and the second circular truncated cone-shaped grooves 12 are respectively communicated with the air groove 10, first telescopic components are respectively arranged at two sides of the inner wall of the bottom of the air groove 10, first circular truncated cone-shaped blocks 13 are respectively arranged at the top ends of the two first telescopic components, and the first circular truncated cone-shaped blocks 13 are mutually matched with the first circular truncated cone-shaped grooves 11, the first telescopic assembly comprises a first telescopic rod 17 arranged on the inner wall of the bottom of the air groove 10 and a first spring 18 sleeved outside the first telescopic rod 17, the extension end of the first telescopic rod 17 is fixedly connected with the bottom of a first circular truncated cone-shaped block 13, one end of the first spring 18 is fixedly connected with the inner wall of the air groove 10, the other end of the first spring 18 is fixedly connected with the outer wall of the first circular truncated cone-shaped block 13, the two sides of the inner wall of the air groove 10 are both provided with second telescopic assemblies through fixing strips, the far ends of the two second telescopic assemblies are both provided with a second circular truncated cone-shaped block 14, the second circular truncated cone-shaped blocks 14 are matched with a second circular truncated cone-shaped groove 12, each second telescopic assembly comprises a second telescopic rod 19 arranged on the outer wall of the fixing strips and a second spring 20 sleeved outside the second telescopic rod 19, the extension end of the second telescopic rod 19 is fixedly connected with the outer wall of the second circular truncated cone-shaped block 14, one end of the second spring 20 is fixedly connected with the outer wall of the fixing strips, the other end of the second spring 20 is fixedly connected with the outer wall of the second circular truncated cone-shaped block 14, the piston block 16 on the right side is driven to move rightwards along the inner wall of the air groove 10 by starting the bidirectional hydraulic cylinder 15 to extend rightwards, the second circular truncated cone-shaped block 14 is driven to horizontally move rightwards by the air which extrudes the air groove 10 until being separated from the second circular truncated cone-shaped groove 12, the dust on the right part of the air groove 10 is discharged to the outside of the frame 1 through the second circular truncated cone-shaped groove 12 on the right side, meanwhile, when the bidirectional hydraulic cylinder 15 extends rightwards, the piston block 16 on the left side is driven to move rightwards along the inner wall of the air groove 10, the first circular truncated cone-shaped block 13 on the left side is driven to move towards the inner wall of the frame 1 to be separated from the first circular truncated cone-shaped groove 11 under the action of negative pressure in the air groove 10, the dust scraped from the filter screen 2 can be absorbed to the left part of the air groove 10, then the bidirectional hydraulic cylinder 15 extends leftwards, and the piston block 16 on the right side can be driven to move leftwards along the inner wall of the air groove 10, then the second round platform block 14 is driven to move leftwards to be closed with the second round platform groove 12 by the resilience force of the second telescopic rod 19 and the second spring 20, meanwhile, the first round platform block 13 on the right side is driven to move towards the inner wall direction of the frame 1 to be separated from the first round platform groove 11 under the action of negative pressure in the air groove 10, so that dust scraped from the filter screen 2 can be absorbed to the right part of the air groove 10, meanwhile, when the bidirectional hydraulic cylinder 15 extends leftwards, the piston block 16 on the left side is driven to move leftwards along the inner wall of the air groove 10, further, the first round platform block 13 on the left side is driven to move towards the filter screen 2 to be closed with the first round platform groove 11 by the resilience force of the first telescopic rod 17 and the first spring 18, meanwhile, the second round platform block 14 on the left side is driven to move leftwards to be separated from the second round platform groove 12 on the left side, so that the dust on the left part of the air groove 10 can be discharged out of the frame 1 through the second round platform groove 12 on the left side, repeating the above operation, namely circularly sucking the dust in the frame 1 into the fixed block 9 and circularly discharging the second circular truncated cone-shaped grooves 12 on the two sides;

two gag lever posts 21 are installed to the inner wall of frame 1, and gag lever post 21 runs through and scrapes the setting of strip 4, and gag lever post 21 with scrape 4 sliding joint, the setting of gag lever post 21 is used for making and scrapes strip 4 along the outer wall horizontal migration about filter screen 2.

The working principle is as follows: the connecting rod 5 is driven to rotate clockwise by the output shaft of the motor 3, the driving rod 6 is driven to slide downwards along the inner wall of the chute 7 by the sliding connection between the driving rod 6 and the chute 7, thereby driving the scraping bar 4 to horizontally move leftwards along the outer wall of the filter screen 2, when the scraping bar 4 moves to the middle position of the filter screen 2, the driving rod 6 starts to move upwards along the inner wall of the sliding chute 7, thereby driving the scraping strip 4 to continuously move horizontally leftwards along the outer wall of the filter screen 2, when the driving rod 6 moves to the middle part of the sliding chute 7, the scraping strip 4 moves to the edge of the left side of the filter screen 2 just to the left, and the driving rod 6 drives the scraping strip 4 to horizontally move to the right along the outer wall of the filter screen 2 when continuing to move upwards along the inner wall of the sliding chute 7, with the circulation, the scraping strip 4 is driven to reciprocate left and right to circularly scrape off the dust on the outer wall of the filter screen 2 so as to prevent the filter screen 2 from being blocked;

extend right through starting two-way pneumatic cylinder 15, drive piston piece 16 on right side and move right along the inner wall of air duct 10, and then the gas through extrusion air duct 10 drives second round platform piece 14 horizontal migration right side to break away from with second round platform groove 12, and then discharge the dust of the right part of air duct 10 outside frame 1 through the second round platform groove 12 on right side, when two-way pneumatic cylinder 15 extends right simultaneously, drive left piston piece 16 and move right along the inner wall of air duct 10, thereby through the effect of the inside negative pressure of air duct 10, drive left side first round platform piece 13 to move to break away from with first round platform groove 11 to frame 1 inner wall direction, can absorb the dust of scraping off on the filter screen 2 to the left part of air duct 10, extend left after two-way pneumatic cylinder 15, can drive piston piece 16 on right side to move left along the inner wall of air duct 10, and then drive second round platform piece 14 to move left through the resilience force of second telescopic link 19 and second spring 20 to move left with first round platform groove 11 The two circular truncated cone-shaped grooves 12 are closed, and simultaneously, the first circular truncated cone-shaped block 13 on the right side is driven to move towards the inner wall direction of the frame 1 to be separated from the first circular truncated cone-shaped groove 11 under the action of negative pressure in the air groove 10, so that dust scraped from the filter screen 2 can be absorbed to the right part of the air groove 10, and simultaneously, when the bidirectional hydraulic cylinder 15 extends leftwards, the piston block 16 on the left side is driven to move leftwards along the inner wall of the air groove 10, and further, the first circular truncated cone-shaped block 13 on the left side is driven to move towards the filter screen 2 to be closed with the first circular truncated cone-shaped groove 11 under the action of the rebounding force of the first telescopic rod 17 and the first spring 18, and simultaneously, the second circular truncated cone-shaped block 14 on the left side is driven to move leftwards to be separated from the second circular truncated cone-shaped groove 12 on the left side, so that the dust on the left part of the air groove 10 can be discharged to the outside of the frame 1 through the second circular truncated cone-shaped groove 12 on the left side, and the operation can be circularly sucked into the fixed block 9, and the second circular truncated cone-shaped grooves 12 on both sides are discharged in a circulating manner.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An air inlet mechanism of a two-stage compression screw type air compressor comprises a frame (1) and is characterized in that, a filter screen (2), an anti-blocking component and two dust removing components are arranged in the frame (1), the anti-blocking component comprises a motor (3) arranged on the inner wall of the frame (1) and a scraping strip (4) which is connected with the outer wall of one side of the two dust removing components in a sliding way, the scraping strip (4) is abutted against the filter screen (2), the outer wall of the scraping strip (4) is provided with a sliding groove (7), one end of an output shaft of the motor (3) is provided with a connecting rod (5), the other end of the connecting rod (5) is provided with a driving rod (6), one end of the driving rod (6) extends to the inside of the sliding groove (7) and is in sliding connection with the sliding groove (7), a plurality of ventilation openings (8) are formed in the outer wall of one side of the frame (1), and the two dust removal assemblies are respectively installed on the inner walls of the top and the bottom of the frame (1).

2. The air inlet mechanism of the two-stage compression screw type air compressor as claimed in claim 1, wherein the dust removing assembly comprises a fixed block (9) mounted on the inner wall of the frame (1) and an air groove (10) formed inside the fixed block (9), the inner wall of the air groove (10) is provided with a driving assembly, both sides of the outer wall of the top of the fixed block (9) are provided with first circular truncated cone-shaped grooves (11), both sides of the outer wall of the fixed block (9) are provided with second circular truncated cone-shaped grooves (12), the first circular truncated cone-shaped grooves (11) and the second circular truncated cone-shaped grooves (12) are communicated with the air groove (10), both sides of the inner wall of the bottom of the air groove (10) are provided with first telescopic assemblies, the top ends of the two first telescopic assemblies are provided with first circular truncated cone-shaped blocks (13), and the first circular truncated cone-shaped blocks (13) are matched with the first circular truncated cone-shaped grooves (11), the two sides of the inner wall of the air groove (10) are provided with second telescopic assemblies through fixing strips, and the ends, far away from the two second telescopic assemblies, of the two second telescopic assemblies are provided with second circular truncated cone-shaped blocks (14), and the second circular truncated cone-shaped blocks (14) are matched with the second circular truncated cone-shaped grooves (12) mutually.

3. The air inlet mechanism of the two-stage compression screw air compressor as claimed in claim 2, wherein the driving assembly comprises a bidirectional hydraulic cylinder (15) installed on the inner wall of the air tank (10) and piston blocks (16) installed at both ends of the bidirectional hydraulic cylinder (15), and the outer wall of the piston block (16) is in sliding connection with the inner wall of the air tank (10).

4. The air inlet mechanism of the two-stage compression screw type air compressor as claimed in claim 2, wherein the first telescopic assembly comprises a first telescopic rod (17) mounted on the inner wall of the bottom of the air tank (10) and a first spring (18) sleeved outside the first telescopic rod (17), the extension end of the first telescopic rod (17) is fixedly connected with the bottom of the first truncated cone-shaped block (13), one end of the first spring (18) is fixedly connected with the inner wall of the air tank (10), and the other end of the first spring (18) is fixedly connected with the outer wall of the first truncated cone-shaped block (13).

5. The air inlet mechanism of the two-stage compression screw air compressor as claimed in claim 2, wherein the second telescopic assembly comprises a second telescopic rod (19) mounted on the outer wall of the fixed bar and a second spring (20) sleeved outside the second telescopic rod (19), the extension end of the second telescopic rod (19) is fixedly connected with the outer wall of the second truncated cone-shaped block (14), one end of the second spring (20) is fixedly connected with the outer wall of the fixed bar, and the other end of the second spring (20) is fixedly connected with the outer wall of the second truncated cone-shaped block (14).

6. The air inlet mechanism of the two-stage compression screw air compressor as claimed in claim 1, wherein two limiting rods (21) are mounted on the inner wall of the frame (1), the limiting rods (21) are disposed through the scraping bar (4), and the limiting rods (21) are in sliding connection with the scraping bar (4).