A vacuum pump

By employing a multi-stage pressurization design with flow divider and pressurization components, combined with the sealing structure of the air pumping component and one-way valve, the problem of low pressure in existing negative pressure booster pumps is solved, achieving efficient, stable, and energy-saving pressurization of a single vacuum pump, and simplifying the equipment structure and control.

CN224515330UActive Publication Date: 2026-07-17XIAMEN ZHUOCHENG ELECTRIC APPLIANCE CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Utility models(China)
Current Assignee / Owner
XIAMEN ZHUOCHENG ELECTRIC APPLIANCE CO LTD
Filing Date
2025-08-05
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing negative pressure booster pumps generate low pressure, requiring multiple pumps to work in parallel, resulting in complex equipment structure, large space occupation, and high control difficulty.

Method used

By employing a multi-stage pressurization design with flow splitting and pressurization components, combined with the sealing structure of the air pumping component and one-way valve, continuous multi-stage pressurization of gas within the chamber assembly is achieved. A single vacuum pump can reach a high vacuum level, simplifying system design and control.

Benefits of technology

A single vacuum pump can achieve higher vacuum levels, simplify equipment structure, reduce installation and maintenance difficulty, save energy and protect the environment, extend service life, and ensure the stability and reliability of pressurization efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of vacuum pump, comprising: main pump body, shunt component, pressurizing component and cover;The first side of the shunt component is configured on the output end of the main pump body, the second side of the shunt component is used to connect pressurizing component, the cover is configured on the pressurizing component;Wherein, the cover is fixed on the pressurizing component and forms chamber group, the pressurizing component is configured to be communicated with the chamber group when being on the shunt component, gas is lifted gas pressure by flowing in the chamber group, the utility model realizes higher vacuum degree of single vacuum pump, simplifies system design and control, and the space occupied is smaller, reduces the difficulty and cost of installation and maintenance.
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Claims

1. A vacuum pump, characterized in that, include: Main pump body (1), flow splitting assembly (2), pressurizing assembly (3) and cover (4); The first side of the diversion component (2) is disposed on the output end of the main pump body (1), the second side of the diversion component (2) is used to connect the pressurization component (3), and the cover (4) is disposed on the pressurization component (3); When the cap (4) is fixed on the pressurizing assembly (3), it forms a chamber group. When the pressurizing assembly (3) is configured on the diversion assembly (2), it communicates with the chamber group. Gas flows through the chamber group to increase the gas pressure.

2. A vacuum pump according to claim 1, characterized in that The main pump body (1) is provided with a housing (11), and an input pipe (12) is provided on the outer wall of the housing (11). The main pump body (1) is connected to a motor (5) on the side away from the diversion component (2), and the output end of the motor (5) is connected to an air pumping component.

3. A vacuum pump according to claim 2, characterised in that The air pump assembly includes an air pump plate (13) and air pump columns (14). The air pump plate (13) is provided with multiple air pump columns (14), and an air vent (141) is provided at the center of the end of each air pump column (14).

4. A vacuum pump according to claim 1, characterized in that The diversion assembly (2) includes an auxiliary shell (21), which has multiple through holes (211) and a rubber sleeve (22) inserted inside. The rubber sleeve (22) has multiple rubber sleeve posts (222) that are adapted to the through holes (211). The rubber sleeve (22) has an air hole (221) between two adjacent rubber sleeve posts (222). An arc-shaped through hole (223) is opened at the center of the end of the rubber sleeve post (222). The rubber sleeve (22) has multiple positioning grooves (224) at its edge.

5. A vacuum pump according to claim 4, characterised in that The rubber sleeve (22) is provided with a second sealing ring (226) at the edge of the air hole (221), and the rubber sleeve (22) is provided with a first sealing ring (225) at the edge of the rubber sleeve post (222).

6. A vacuum pump according to claim 1, characterized in that The pressurization component (3) has multiple air outlets (311) and air inlets (312).

7. A vacuum pump according to claim 6, characterised in that The pressurizing assembly (3) includes a pressurizing plate (31), which is connected to a second one-way valve (33) at an air inlet (312) near the side of the diversion assembly (2), and a first one-way valve (32) at an air outlet (311) near the side of the cover (4). The pressurizing plate (31) has a connecting groove (313) on the side near the cover (4).

8. A vacuum pump according to claim 1, characterized in that The cover (4) has a reinforcing rib (46) on the side near the pressurizing component (3), the cover (4) has a connecting block (42) on the side near the pressurizing component (3), and the cover (4) has an output pipe (41) on the side away from the pressurizing component (3). The chamber group includes an air outlet chamber (43), an air inlet chamber (44), and multiple pressurizing chambers (45). The air outlet chamber (43) is connected to the output pipe (41).