Vacuum pump capable of sucking air in two ways

Abstract

The vacuum pump comprises a vacuum pump main body structure and an air suction connecting assembly, the vacuum pump main body structure comprises a pump shell, an air inlet is formed in one side of the pump shell, the air suction connecting assembly is arranged at one end of the air inlet, and two air outlets are formed in one side of the pump shell. The air suction connecting assembly comprises a main body shell, a mounting opening is formed in the bottom end of the main body shell, a one-way valve assembly is arranged in the mounting opening, an air suction channel is formed in the main body shell, a first air suction pipe is fixedly connected to the top end of the main body shell, and the first air suction pipe, the air suction channel and the mounting opening are communicated. Through the arrangement of the first air suction pipe and the second air suction pipe, the first air suction pipe or the second air suction pipe can be conveniently selected to be connected with the container according to single-way air suction and double-way air suction requirements, so that single-way air suction and double-way air suction are realized, and the air suction structure of the vacuum pump can be conveniently adjusted.

Description

Technical Field

[0001] This utility model relates to the field of vacuum pump technology, and in particular to a vacuum pump with dual-channel suction. Background Technology

[0002] A vacuum pump is a device that uses mechanical methods to evacuate air from a container and reduce the internal air pressure. Existing vacuum pumps, however, can only draw air through one channel, preventing operators from adjusting the suction structure when dual-channel suction is required. Therefore, to advance industry technology, better realize the suction function of vacuum pumps, and enhance core technological competitiveness, this application proposes a new implementation scheme that differs from the suction structure and application method of existing vacuum pumps. Utility Model Content

[0003] The purpose of this invention is to solve the problem that existing vacuum pumps can only draw air through one channel, which prevents operators from adjusting the vacuum pump's suction structure when dual-channel suction is required. Therefore, this invention proposes a vacuum pump that can draw air through two channels.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A vacuum pump with dual-channel suction includes a main vacuum pump structure and a suction connection assembly. The main vacuum pump structure includes a pump housing with an air inlet on one side. The suction connection assembly is located at one end of the air inlet, and two air outlets are located on one side of the pump housing. The suction connection assembly includes a main body shell with a mounting port at the bottom. A one-way valve assembly is located inside the mounting port. A suction channel is located inside the main body shell. A first suction pipe is fixedly connected to the top of the main body shell. The first suction pipe, the suction channel, and the mounting port are interconnected. A first connecting cap is threaded onto the top of the main body shell and covers the top of the first suction pipe. A second suction pipe is fixedly connected to one side of the main body shell and is connected to the suction channel. A second connecting cap is threaded onto one end of the second suction pipe.

[0006] Furthermore, the one-way valve assembly includes a retaining ring, which is fixedly snapped onto the bottom end of the main body shell. The bottom of the retaining ring is provided with multiple vent holes. A sliding piston is slidably inserted into the retaining ring, and a spring is sleeved on the outer wall of the sliding piston.

[0007] Furthermore, a first sealing ring is snapped into the inner wall of one end of the first connecting cover, and the first sealing ring contacts one end of the first suction tube.

[0008] Furthermore, a second sealing ring is snapped into the inner wall of one end of the second connecting cover, and the second sealing ring contacts one end of the second air intake pipe. The circumference of the second connecting cover is provided with multiple outer grooves.

[0009] Furthermore, a sealing ring is snapped onto the bottom end of the outer circumference of the main shell, and the sealing ring is in contact with the fixing ring.

[0010] Furthermore, a mounting base is fixedly connected to one side of the outer wall of the main shell.

[0011] Furthermore, the top of the pump casing is provided with a connection port, which communicates with the air inlet, and the main body casing is located inside the connection port.

[0012] Furthermore, a connecting block is fixedly connected to the top of the first connecting cover.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The configuration of the first and second suction pipes allows for easy selection of either the first or second suction pipe to connect to the container based on single-path or dual-path suction requirements, thereby enabling single-path or dual-path suction and facilitating adjustments to the suction structure of the vacuum pump.

[0015] 2. By moving the sliding piston towards the main structure of the vacuum pump under the impulse of the gas, the suction channel is connected to the installation port to allow gas to pass through. When there is no suction, the sliding piston is reset under the action of the spring, thereby blocking the suction channel and preventing gas backflow. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a vacuum pump with dual-channel air intake proposed in this utility model.

[0017] Figure 2 This is a front cross-sectional view of the vacuum pump with dual-channel air intake proposed in this utility model.

[0018] Figure 3 This is a cross-sectional view of the suction connection assembly of a vacuum pump with dual suction capabilities, separated from the pump casing, as proposed in this utility model.

[0019] Figure 4 A side view of the cross-sectional structure of the suction connection assembly of a vacuum pump with dual suction channels proposed in this utility model.

[0020] Figure 5 This is a schematic diagram of the exploded separation state of the suction connection component of a vacuum pump with dual suction channels proposed in this utility model.

[0021] In the diagram: 1. Vacuum pump main body structure; 101. Pump casing; 102. Air outlet; 103. Air inlet; 2. Suction connection assembly; 201. Main body shell; 202. Mounting port; 203. Suction channel; 204. First suction pipe; 205. First connecting cover; 206. Second suction pipe; 207. Second connecting cover; 3. One-way valve assembly; 301. Fixing ring; 302. Vent hole; 303. Sliding piston; 304. Spring; 4. First sealing ring; 5. Second sealing ring; 6. Sealing ring; 7. Mounting base; 8. Connection port; 9. Connecting block; 10. Outer groove. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Reference Figures 1-5 A vacuum pump capable of dual-channel suction includes a vacuum pump main structure 1 and a suction connection assembly 2. The vacuum pump main structure 1 includes a pump housing 101, an air inlet 103 on one side of the pump housing 101, and the suction connection assembly 2 is located at one end of the air inlet 103. Two air outlets 102 are located on one side of the pump housing 101. The suction connection assembly 2 includes a main body shell 201, an installation port 202 at the bottom of the main body shell 201, a one-way valve assembly 3 inside the installation port 202, an air intake channel 203 inside the main body shell 201, and a first suction pipe 204 integrally formed at the top of the main body shell 201. The first suction pipe 204, the air intake channel 203, and the installation port 202 are connected. A first connecting cover 205 is threaded onto the top of the main body shell 201. In single-channel suction, the first connecting cover 205 is used to seal the first suction pipe 204, and the first connecting cover 205 covers the top of the first suction pipe 204.

[0024] The main body shell 201 has a second suction pipe 206 integrally formed on one side. The design of the first suction pipe 204 and the second suction pipe 206 makes it easy to connect to the container according to the single-channel and dual-channel suction requirements, so as to realize single-channel and dual-channel suction. The second suction pipe 206 is connected to the suction channel 203. One end of the second suction pipe 206 is threaded to the second connecting cover 207. In single-channel suction, the second connecting cover 207 is used to seal the second suction pipe 206.

[0025] The one-way valve assembly 3 includes a retaining ring 301, which is fixedly snapped onto the bottom end of the main body shell 201. The bottom of the retaining ring 301 is provided with multiple vent holes 302. A sliding piston 303 is slidably inserted into the retaining ring 301. Under the impulse of gas, the sliding piston 303 moves towards the side of the vacuum pump main body structure 1, thereby connecting the suction channel 203 with the mounting port 202 to allow gas to pass through. A spring 304 is sleeved on the outer wall of the sliding piston 303. When there is no suction, the sliding piston 303 is reset under the action of the spring 304, thereby blocking the suction channel 203.

[0026] A first sealing ring 4 is snapped onto the inner wall of one end of the first connecting cover 205, and the first sealing ring 4 contacts one end of the first suction pipe 204, thereby sealing the connection between the first connecting cover 205 and the first suction pipe 204. A second sealing ring 5 is snapped onto the inner wall of one end of the second connecting cover 207, and the second sealing ring 5 contacts one end of the second suction pipe 206, thereby sealing the connection between the second connecting cover 207 and the second suction pipe 206. The circumference of the second connecting cover 207 is provided with multiple outer grooves 10, and the outer wall of the main body shell 201 is... A sealing ring 6 is snapped into the bottom end, and the sealing ring 6 contacts the fixing ring 301, thereby sealing the fixing ring 301 and the main body shell 201. A mounting seat 7 is integrally formed on one side of the outer wall of the main body shell 201. Bolts are passed through the mounting seat 7 and connected to the main body shell 201. A connection port 8 is provided on the top of the pump shell 101, and the connection port 8 communicates with the air inlet 103. The main body shell 201 is located inside the connection port 8. A connecting block 9 is integrally formed on the top of the first connecting cover 205, thereby facilitating the operation of the first connecting cover 205.

[0027] The working principle of this embodiment is as follows: When performing single-channel suction, firstly, unscrew the first connecting cover 205 or the second connecting cover 207, then connect the first suction pipe 204 or the second suction pipe 206 to the container, and then, under the suction force of the vacuum pump, the gas in the container is sucked into the first suction pipe 204 or the second suction pipe 206. Then, the gas is transported along the suction channel 203. Under the impulse of the gas, the sliding piston 303 moves to the side of the vacuum pump main body structure 1, thereby making the suction channel 203 connected to the mounting port 202. Then, the gas enters the pump housing 101 through the mounting port 202 and the air inlet 103, and finally, it is discharged from the air outlet 102, thereby performing a single-channel vacuum suction operation on the container.

[0028] During dual-channel suction, firstly, unscrew the first connecting cover 205 and the second connecting cover 207. Then, connect the first suction pipe 204 and the second suction pipe 206 to the container. Under the suction force of the vacuum pump, the gas in the container is drawn into the first suction pipe 204 or the second suction pipe 206. Then, the gas is transported along the suction channel 203. Next, the gas enters the pump housing 101 through the mounting port 202 and the air inlet 103. Finally, it is discharged from the air outlet 102, thereby performing dual-channel vacuum suction operation on the container.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A vacuum pump capable of dual-channel intake, comprising a vacuum pump main body structure (1) and an intake connection assembly (2), characterized in that, The main structure (1) of the vacuum pump includes a pump housing (101), an air inlet (103) on one side of the pump housing (101), a suction connection assembly (2) at one end of the air inlet (103), two air outlets (102) on one side of the pump housing (101), the suction connection assembly (2) includes a main body shell (201), an installation port (202) at the bottom of the main body shell (201), a one-way valve assembly (3) inside the installation port (202), and a suction channel (203) inside the main body shell (201). The top end is fixedly connected to a first suction pipe (204), and the first suction pipe (204), the suction channel (203), and the mounting port (202) are connected. The top end of the main body shell (201) is threadedly fitted with a first connecting cover (205), which covers the top end of the first suction pipe (204). The side of the main body shell (201) is fixedly connected to a second suction pipe (206), which is connected to the suction channel (203). One end of the second suction pipe (206) is threadedly fitted with a second connecting cover (207).

2. The vacuum pump with dual-channel suction according to claim 1, characterized in that, The one-way valve assembly (3) includes a retaining ring (301), which is fixedly snapped onto the bottom end of the main body shell (201). The bottom of the retaining ring (301) is provided with multiple vent holes (302). A sliding piston (303) is slidably inserted into the retaining ring (301), and a spring (304) is sleeved on the outer wall of the sliding piston (303).

3. A vacuum pump with dual-channel suction as described in claim 1, characterized in that, A first sealing ring (4) is snapped onto the inner wall of one end of the first connecting cover (205), and the first sealing ring (4) is in contact with one end of the first suction pipe (204).

4. A vacuum pump with dual-channel suction according to claim 1, characterized in that, The inner wall of one end of the second connecting cover (207) is fitted with a second sealing ring (5), and the second sealing ring (5) is in contact with one end of the second suction pipe (206). The circumference of the second connecting cover (207) is provided with multiple outer grooves (10).

5. A vacuum pump with dual-channel suction according to claim 1, characterized in that, A sealing ring (6) is snapped onto the bottom end of the outer circumference of the main shell (201), and the sealing ring (6) is in contact with the fixing ring (301).

6. A vacuum pump with dual-channel suction according to claim 1, characterized in that, A mounting base (7) is fixedly connected to one side of the outer wall of the main shell (201).

7. A vacuum pump with dual-channel suction according to claim 1, characterized in that, The top of the pump casing (101) is provided with a connection port (8), which is connected to the air inlet (103), and the main body shell (201) is located inside the connection port (8).

8. A vacuum pump with dual-channel suction according to claim 1, characterized in that, A connecting block (9) is fixedly connected to the top of the first connecting cover (205).

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