Double-layer screw air compressor

Abstract

The utility model belongs to the technical field of air compressors, and particularly relates to a double-layer screw air compressor which comprises a double-layer screw air compressor main body, an air compressor air purification assembly is arranged on one side of the double-layer screw air compressor main body, a double-layer screw air compressor assembly is installed in the double-layer screw air compressor main body, and the double-layer screw air compressor main body is provided with an air inlet and an air outlet. A detachable back plate assembly is arranged on the other side of the double-layer screw air compressor main body; the air purification assembly of the air compressor comprises an air purification filter screen, a switch clip main body, a switch clip spring, a switch clip shell, a positioning clamping groove, a fixed clip main body, a fixed clip spring and a fixed clip clamping groove, and one side of the air purification filter screen is connected with the switch clip main body in a clamped mode. The bottom of the switch clip main body is elastically connected with a switch clip spring; the air purification device is convenient for purifying air, ensures the cleanliness in the device, and is convenient for prolonging the service life of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of air compressors, in particular to a double-layer screw air compressor. Background Art

[0002] The twin-screw air compressor is a double-shaft positive displacement rotary air compressor. It consists of a pair of parallel, intermeshing rotors. When working, one rotor rotates counterclockwise, and in the process of intermeshing, the air is compressed to the required pressure.

[0003] In Chinese Patent 202221893424.1, the utility model discloses a novel twin-screw air compressor, comprising an air compressor body, a dustproof frame is arranged at the left end position of the adsorption magnet frame, a dust filter cloth is arranged at the middle position of the dustproof frame, a rear plate is arranged at the rear end position of the air compressor body, a moving block is arranged at the rear plate near the corner position, a connecting spring is arranged at the outer position of the moving block, and a clamping block is arranged on the moving block. The dust filter cloth made of fiber can effectively prevent dust from easily entering the interior of the twin-screw air compressor with air and attaching to internal devices, and the dust accumulated for a long time can easily cause a load on the twin-screw air compressor, thereby effectively improving the service life of the novel twin-screw air compressor. The moving block with the clamping block and the connecting spring can make the installation and disassembly of the rear plate more convenient, thereby effectively improving the work efficiency of the maintenance personnel.

[0004] When an existing double-layer screw air compressor extracts air, the air enters the device through the air inlet. Since the air carries dust and debris, the dust enters the double-layer screw air compressor along with the air, and the dust adheres to the internal components of the device. As the dust accumulates, it will burden the double-layer screw air compressor and affect the service life of the double-layer screw air compressor.

[0005] Therefore, a double-screw air compressor is proposed to address the above problems. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art, a problem is solved in which, when the existing double-layer screw air compressor extracts air, the air enters the interior of the device through the air inlet. Since the air carries dust and debris, the dust enters the interior of the double-layer screw air compressor along with the air, and the dust adheres to the internal components of the device. As the dust accumulates, it will burden the double-layer screw air compressor and affect the service life of the double-layer screw air compressor.

[0007] The technical solution adopted by the utility model to solve its technical problem is: a double-layer screw air compressor described in the utility model includes a double-layer screw air compressor body, one side of the double-layer screw air compressor body is provided with an air compressor air purification component, and the double-layer screw air compressor body is installed with a double-layer screw air compressor component inside, and the other side of the double-layer screw air compressor body is provided with a detachable back plate component; the air compressor air purification component includes an air purification filter, a switch clip body, a switch clip spring, a switch clip shell, a positioning card slot, A fixed clip body, a fixed clip spring, and a fixed clip slot. One side of the air purification filter is snap-connected with a switch clip body, and the bottom of the switch clip body is elastically connected with a switch clip spring, and the outer wall of the switch clip body is snap-connected with a switch clip shell, the bottom of the air purification filter is snap-connected with a positioning slot, and the other side of the air purification filter is snap-connected with a fixed clip body, the bottom of the fixed clip body is elastically connected with a fixed clip spring, and the top of the fixed clip body is snap-connected with a fixed clip slot.

[0008] Preferably, the switch clip body forms an elastic structure through the switch clip spring and the switch clip shell, and the switch clip body and the air purification filter form a locking structure, and the air purification filter forms a rotating structure through the positioning slot, the fixed clip body, the fixed clip slot and the double-layer screw air compressor body.

[0009] Preferably, the fixed clip body forms an elastic structure with the air purification filter through the fixed clip spring, the fixed clip body and the fixed clip slot form a snap-fit ​​structure, and the air purification filter and the positioning slot form a snap-fit ​​structure.

[0010] Preferably, the double-layer screw air compressor assembly includes a screw top cover, a fixing screw, a screw base, a screw body, a motor gear, a motor main body, and a transmission gear. The side of the screw top cover is threadedly connected with the fixing screw, and the bottom of the screw top cover is tightly fitted with the screw base, and the screw body is installed inside the screw base, the side of the screw body is movably connected with the motor gear, and the motor main body is installed on the other side of the motor gear, and the outer wall of the motor gear is meshed with the transmission gear.

[0011] Preferably, the fixing screw forms a threaded detachable structure through a screw top cover and a screw base, and the transmission gear forms a transmission structure through a motor gear and a motor body.

[0012] Preferably, the detachable back panel assembly comprises a back panel body, a back panel mounting slot, a latch slot, a switch latch, and a latch shell, the bottom of the back panel body being snap-connected with the back panel mounting slot, and the outer wall of the back panel body being fixedly connected with the latch slot, the inner wall of the latch slot being snap-connected with the switch latch, and the outside of the switch latch being snap-connected with the latch shell.

[0013] Preferably, the switch pin forms a locking structure through a pin housing and a pin slot, and the back panel body and the back panel mounting slot form a detachable structure.

[0014] The utility model is beneficial in that:

[0015] 1. The switch clip body forms an elastic structure with the switch clip housing through the switch clip spring, and the switch clip body and the air purification filter form a snap-fit ​​structure, and the air purification filter forms a rotating structure with the double-layer screw air compressor body through the positioning slot, the fixed clip body, and the fixed clip slot, the fixed clip body and the air purification filter form an elastic structure through the fixed clip spring, and the fixed clip body and the fixed clip slot form a snap-fit ​​structure, and the air purification filter and the positioning slot form a snap-fit ​​structure, which is convenient for purifying the air, ensuring the cleanliness of the air entering the device, and is conducive to improving the service life of the device;

[0016] 2. The fixing screw forms a threaded detachable structure through the screw top cover and the screw base, and the transmission gear forms a transmission structure through the motor gear and the motor body, which is convenient for repairing the double-layer screw air compressor assembly and is conducive to disassembling the double-layer screw air compressor assembly, greatly reducing the difficulty of maintenance. The switch pin forms a locking structure through the pin housing and the pin slot, and the back panel body and the back panel mounting slot form a detachable structure, which is convenient for disassembling the back panel body, making the maintenance of the device simpler and easier to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a schematic diagram of the overall internal three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the explosion structure of the air purification component of the air compressor of the utility model;

[0020] Figure 3 This is a schematic diagram of the disassembly structure of the double-layer screw air compressor assembly of the utility model;

[0021] Figure 4 This is a schematic diagram of the disassembly structure of the detachable back panel assembly of the utility model;

[0022] Figure 5It is an enlarged structural schematic diagram of the switch part of the detachable back panel assembly of the utility model.

[0023] In the figure: 1. Double-layer screw air compressor body; 2. Air compressor air purification component; 201. Air purification filter; 202. Switch clip body; 203. Switch clip spring; 204. Switch clip shell; 205. Positioning slot; 206. Fixed clip body; 207. Fixed clip spring; 208. Fixed clip slot; 3. Double-layer screw air compressor assembly; 301. Screw top cover; 302. Fixing screw; 303. Screw base; 304. Screw body; 305. Motor gear; 306. Motor body; 307. Transmission gear; 4. Removable back panel assembly; 401. Back panel body; 402. Back panel mounting slot; 403. Pin slot; 404. Switch pin; 405. Pin shell. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1

[0026] See also Figure 1 As shown, a double-layer screw air compressor includes a double-layer screw air compressor body 1, an air compressor air purification component 2 is arranged on one side of the double-layer screw air compressor body 1, a double-layer screw air compressor component 3 is installed inside the double-layer screw air compressor body 1, and a detachable back plate component 4 is arranged on the other side of the double-layer screw air compressor body 1.

[0027] See also Figure 2As shown, a double-layer screw air compressor, an air compressor air purification component 2, includes an air purification filter 201, a switch clip body 202, a switch clip spring 203, a switch clip housing 204, a positioning slot 205, a fixed clip body 206, a fixed clip spring 207, and a fixed clip slot 208. External air enters the device through the air purification filter 201, and the air purification filter 201 plays a filtering role to block dust and debris from the outside. When the air purification filter 201 is cleaned regularly, the switch clip body 202 is slid downward, and the switch clip spring 203 is squeezed and contracted. When When the switch clip body 202 leaves the air purification filter 201, the air purification filter 201 is rotated around the fixed clip body 206 to open the air purification filter 201 and clean it. When the air purification filter 201 reaches the replacement condition, the fixed clip body 206 is pressed down. At this time, the fixed clip spring 207 contracts. When the fixed clip body 206 leaves the fixed clip slot 208, the air purification filter 201 can be disassembled and replaced, which is convenient for air purification, ensures the cleanliness of the air entering the device, and is beneficial to improving the service life of the device.

[0028] See also Figure 3 As shown, a double-layer screw air compressor, a double-layer screw air compressor assembly 3, includes a screw top cover 301, a fixing screw 302, a screw base 303, a screw body 304, a motor gear 305, a motor body 306, and a transmission gear 307. The fixing screw 302 forms a threaded detachable structure with the screw top cover 301 and the screw base 303, and the transmission gear 307 forms a transmission structure with the motor gear 305 and the motor body 306, which is convenient for repairing the double-layer screw air compressor assembly 3 and is conducive to disassembling the double-layer screw air compressor assembly 3, greatly reducing the difficulty of repair. By unscrewing the fixing screw 302, the screw top cover 301 can be disassembled, and the interior of the double-layer screw air compressor assembly 3 can be maintained and repaired.

[0029] See also Figure 4 , Figure 5 As shown, a double-layer screw air compressor has a detachable back plate assembly 4, including a back plate body 401, a back plate mounting groove 402, a latch slot 403, a switch latch 404, and a latch shell 405. The switch latch 404 forms a locking structure with the latch slot 403 through the latch shell 405. The back plate body 401 and the back plate mounting groove 402 form a detachable structure, which is convenient for disassembly of the back plate body 401, making the maintenance of the device simpler and easier to operate. The switch latch 404 is slid horizontally to make the switch latch 404 leave the latch slot 403, and then the back plate body 401 is removed from the inside of the back plate mounting groove 402, so that the inside of the device can be maintained.

[0030] Working principle: First, when the device is in use, outside air enters the device through the air purification filter 201, and the air purification filter 201 plays a filtering role to block dust and debris outside. When the air purification filter 201 is cleaned regularly, the switch clip body 202 is slid downward, and the switch clip spring 203 is squeezed and contracted. When the switch clip body 202 leaves the air purification filter 201, the air purification filter 201 is rotated around the fixed clip body 206 to open the air purification filter 201 and clean the air purification filter 201. When the air purification filter 201 reaches the replacement condition, press down the fixed clip. Sub-body 206, at this time the fixing clip spring 207 contracts, when the fixing clip body 206 leaves the fixing clip slot 208, the air purification filter 201 can be removed and replaced, then the device needs regular maintenance, horizontally slide the switch latch 404, so that the switch latch 404 leaves the latch slot 403, and then remove the back plate body 401 from the inside of the back plate mounting slot 402, the inside of the device can be maintained, then, when the double-layer screw air compressor assembly 3 needs to be maintained, unscrew the fixing screw 302, the screw top cover 301 can be removed, and the inside of the double-layer screw air compressor assembly 3 can be maintained and repaired.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A double-screw air compressor, characterized in that: The invention comprises a double-layer screw air compressor body (1), wherein an air compressor air purification component (2) is arranged on one side of the double-layer screw air compressor body (1), a double-layer screw air compressor component (3) is installed inside the double-layer screw air compressor body (1), and a detachable back plate component (4) is arranged on the other side of the double-layer screw air compressor body (1); The air compressor air purification component (2) comprises an air purification filter (201), a switch clip body (202), a switch clip spring (203), a switch clip housing (204), a positioning slot (205), a fixed clip body (206), a fixed clip spring (207), and a fixed clip slot (208); one side of the air purification filter (201) is snap-connected with the switch clip body (202), and the bottom of the switch clip body (202) is elastically connected with the switch clip spring. The switch clip body (202) is provided with a spring (203), and the outer wall of the switch clip body (202) is snap-connected with a switch clip housing (204), the bottom of the air purification filter (201) is snap-connected with a positioning slot (205), and the other side of the air purification filter (201) is snap-connected with a fixed clip body (206), the bottom of the fixed clip body (206) is elastically connected with a fixed clip spring (207), and the top of the fixed clip body (206) is snap-connected with a fixed clip slot (208).

2. A double-screw air compressor according to claim 1, characterized in that: The switch clip body (202) forms an elastic structure through the switch clip spring (203) and the switch clip housing (204), and the switch clip body (202) and the air purification filter (201) form a locking structure, and the air purification filter (201) forms a rotating structure with the double-layer screw air compressor body (1) through the positioning slot (205), the fixed clip body (206), and the fixed clip slot (208).

3. A double-screw air compressor according to claim 1, characterized in that: The fixed clip body (206) forms an elastic structure with the air purification filter (201) via the fixed clip spring (207), and the fixed clip body (206) and the fixed clip slot (208) form a snap-fit ​​structure, and the air purification filter (201) and the positioning slot (205) form a snap-fit ​​structure.

4. A double-screw air compressor according to claim 1, characterized in that: The double-layer screw air compressor assembly (3) comprises a screw top cover (301), a fixing screw (302), a screw base (303), a screw body (304), a motor gear (305), a motor body (306), and a transmission gear (307). The fixing screw (302) is threadedly connected to the side of the screw top cover (301), and the screw base (303) is tightly fitted to the bottom of the screw top cover (301), and the screw body (304) is installed inside the screw base (303). The motor gear (305) is movably connected to the side of the screw body (304), and the motor body (306) is installed on the other side of the motor gear (305), and the transmission gear (307) is meshed with the outer wall of the motor gear (305).

5. A double-screw air compressor according to claim 4, characterized in that: The fixing screw (302) forms a threaded detachable structure through the screw top cover (301) and the screw base (303), and the transmission gear (307) forms a transmission structure through the motor gear (305) and the motor body (306).

6. A double-screw air compressor according to claim 1, characterized in that: The detachable back panel assembly (4) comprises a back panel body (401), a back panel mounting slot (402), a latch slot (403), a switch latch (404), and a latch shell (405); the bottom of the back panel body (401) is snap-connected with the back panel mounting slot (402), the outer wall of the back panel body (401) is fixedly connected with the latch slot (403), the inner wall of the latch slot (403) is snap-connected with the switch latch (404), and the outer part of the switch latch (404) is snap-connected with the latch shell (405).

7. A double-screw air compressor according to claim 6, characterized in that: The switch latch (404) forms a locking structure with the latch housing (405) and the latch slot (403), and the back panel body (401) and the back panel installation slot (402) form a detachable structure.

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