CN211144747U - Novel vacuum pump - Google Patents
Novel vacuum pump Download PDFInfo
- Publication number
- CN211144747U CN211144747U CN201922173926.1U CN201922173926U CN211144747U CN 211144747 U CN211144747 U CN 211144747U CN 201922173926 U CN201922173926 U CN 201922173926U CN 211144747 U CN211144747 U CN 211144747U
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- China
- Prior art keywords
- vacuum pump
- annular groove
- ball
- air inlet
- pump body
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Abstract
The utility model belongs to the technical field of vacuum pumps, in particular to a novel vacuum pump, including the pump body and air inlet and gas vent that set up on the pump body respectively, the air inlet is connected with the check valve subassembly, the check valve subassembly includes the fixing base that is connected with the air inlet and rotates the switch knob that sets up on the fixing base, switch knob bottom is equipped with the ball valve subassembly, the ball valve subassembly sets up in the mounting hole that the fixing base was seted up inside, the mounting hole includes left cavity, middle cavity and the right cavity that is used for installing the ball valve subassembly, the left cavity has seted up first ring channel, be equipped with the jump ring in the first ring channel, the jump ring right side is equipped with the support, the support right side is equipped with the rubber ball, the rubber ball is butted; the right chamber is connected with a connector for connecting an external hose. The utility model aims at providing a stable in structure, can effectively prevent vacuum pump oil backward flow, long service life's novel vacuum pump.
Description
Technical Field
The utility model belongs to the technical field of the vacuum pump, refer in particular to a novel vacuum pump.
Background
The buzzer alarms when the electric quantity is insufficient in the market, the knob needs to be manually closed, and if the electric quantity of the battery is insufficient or the power is suddenly cut off, the oil of the vacuum pump cannot be prevented from flowing back into the pumped container.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stable in structure, can effectively prevent vacuum pump oil backward flow, long service life's novel vacuum pump.
The purpose of the utility model is realized like this: a novel vacuum pump comprises a pump body, an air inlet and an air outlet, wherein the air inlet and the air outlet are respectively arranged on the pump body, the air inlet is connected with a check valve assembly, the check valve assembly comprises a fixed seat connected with the air inlet and a switch knob rotatably arranged on the fixed seat, a ball valve assembly is arranged at the bottom of the switch knob, the ball valve assembly is arranged in an installation hole formed in the fixed seat, the installation hole comprises a left cavity, a middle cavity used for installing the ball valve assembly and a right cavity, the left cavity is provided with a first annular groove, a clamp spring is arranged in the first annular groove, a support is arranged on the right side of the clamp spring, a rubber ball is arranged on the right side of the support, and the; the right chamber is connected with a connector for connecting an external hose.
Preferably, a second annular groove is formed in the right chamber, a sealing ring is arranged in the second annular groove, and the sealing ring is abutted to a third annular groove formed in the connecting head.
Preferably, the ball valve assembly comprises a connecting shaft connected with the switch knob, the lower end of the connecting shaft is connected with a ball body, a first through hole is formed in the ball body, sealing gaskets are arranged on two sides of the first through hole, and a second through hole is formed in each sealing gasket.
Preferably, a fourth annular groove is formed in the connecting shaft, a first sealing ring is arranged in the fourth annular groove, and the first sealing ring is abutted to a fifth annular groove formed in the fixing seat.
Preferably, a cap is arranged at the right end of the connecting head.
Preferably, the lower end of the pump body is provided with a base for supporting the pump body, and a miniature circuit board is arranged in the base.
Preferably, a switch for opening and closing the vacuum pump is arranged on the pump body.
Preferably, the pump body is provided with a handle convenient to take.
Compared with the prior art, the utility model outstanding and profitable technological effect is: the utility model discloses a vacuum pump can prevent to have a power failure or bleed and forget after the completion when closing the knob vacuum pump oil reflux to by in the container of taking out to set up microcircuit board in the base, effectively utilized the space in the base, made the whole knot of machine more succinct, the machine volume is littleer, and weight is lighter.
Drawings
FIG. 1 is a schematic view of the present invention;
figure 2 is a cross-sectional view of the check valve assembly of the present invention.
Detailed Description
The invention will be further described with reference to specific embodiments.
As shown in fig. 1-2, a novel vacuum pump comprises a pump body 1, and an air inlet 2 and an air outlet 3 respectively arranged on the pump body 1, the air inlet 2 is connected with a one-way valve assembly 4, the one-way valve assembly 4 comprises a fixed seat 5 connected with the air inlet 2 and a switch knob 6 rotatably arranged on the fixed seat 5, the bottom of the switch knob 6 is provided with a ball valve component 7, the ball valve component 7 is arranged in a mounting hole 8 arranged in the fixed seat 5, the mounting hole 8 comprises a left chamber 9, a middle chamber 10 for mounting the ball valve assembly 7 and a right chamber 11, the left chamber 9 is provided with a first annular groove 12, a clamp spring 13 is arranged in the first annular groove 12, a support 14 is arranged on the right side of the clamp spring 13, a rubber ball 15 is arranged on the right side of the support 14, and the rubber ball 15 is abutted to an opening 16 formed in the right side of the left cavity 9; the right chamber 11 is connected with a connector 17 for connecting an external hose.
The utility model discloses a vacuum pump sets up jump ring 13, support 14 and rubber ball 15 in ball valve subassembly 7 one side, and such structure can prevent to have a power failure or bleed and forget after the completion when closing the knob vacuum pump oil backflow by the extraction vessel, and after having a power failure or bleeding the completion, its rubber ball 15 can plug up trompil 16 and prevent its vacuum pump oil backward flow.
Preferably, a second annular groove 18 is formed in the right chamber 11, a sealing ring 19 is arranged in the second annular groove 18, and the sealing ring 19 abuts against a third annular groove 20 formed in the connecting head 17. The sealing ring 19 is arranged to play a role of sealing, and the vacuum pumping efficiency of the vacuum pump is increased.
Preferably, the ball valve assembly 7 comprises a connecting shaft 21 connected with the switch knob 6, the lower end of the connecting shaft 21 is connected with a ball 22, a first through hole 23 is formed in the ball 22, sealing gaskets 24 are arranged on two sides of the first through hole 23, and second through holes 25 are formed in the sealing gaskets 24. The ball valve assembly 7 is provided to facilitate the operation of the vacuum pump by a user by rotating the ball 22.
Preferably, a fourth annular groove 26 is formed in the connecting shaft 21, a first sealing ring 27 is arranged in the fourth annular groove 26, and the first sealing ring 27 abuts against a fifth annular groove 28 formed in the fixing seat 5. The provision of the first sealing ring 27 serves as a seal, increasing the efficiency of the vacuum pump thereof.
Preferably, the right end of the connecting head 17 is provided with a cap 29. The cap 29 is provided to prevent dust from entering the cap 29, and serves as a protection.
Preferably, the lower end of the pump body 1 is provided with a base 30 for supporting the pump body 1, and a micro circuit board is arranged in the base 30. The miniature circuit board is arranged in the base 30, so that the space in the base 30 is effectively utilized, the whole machine is simpler, the volume of the machine is smaller, and the weight is lighter
Preferably, a switch 31 for opening and closing the vacuum pump is arranged on the pump body 1. The provision of the switch 31 facilitates better handling of the pump body 1 by the user.
Preferably, the pump body 1 is provided with a handle 32 which is convenient to take. A handle 32 is provided to facilitate access to the vacuum pump by a user.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The novel vacuum pump is characterized by comprising a pump body (1), an air inlet (2) and an air outlet (3) which are respectively arranged on the pump body (1), wherein the air inlet (2) is connected with a check valve component (4), the check valve component (4) comprises a fixing seat (5) connected with the air inlet (2) and a switch knob (6) rotatably arranged on the fixing seat (5), a ball valve component (7) is arranged at the bottom of the switch knob (6), the ball valve component (7) is arranged in a mounting hole (8) formed in the fixing seat (5), the mounting hole (8) comprises a left cavity (9), a middle cavity (10) used for mounting the ball valve component (7) and a right cavity (11), a first annular groove (12) is formed in the left cavity (9), and a clamp spring (13) is arranged in the first annular groove (12), a support (14) is arranged on the right side of the clamp spring (13), a rubber ball (15) is arranged on the right side of the support (14), and the rubber ball (15) is abutted to an opening (16) formed in the right side of the left cavity (9); the right chamber (11) is connected with a connector (17) for connecting an external hose.
2. A novel vacuum pump according to claim 1, characterized in that a second annular groove (18) is provided in the right chamber (11), a sealing ring (19) is provided in the second annular groove (18), and the sealing ring (19) abuts against a third annular groove (20) provided in the connecting head (17).
3. The vacuum pump as claimed in claim 1, wherein the ball valve assembly (7) comprises a connecting shaft (21) connected with the switch knob (6), a ball body (22) is connected to the lower end of the connecting shaft (21), a first through hole (23) is formed in the ball body (22), sealing gaskets (24) are arranged on two sides of the first through hole (23), and second through holes (25) are formed in the two sealing gaskets (24).
4. A novel vacuum pump as claimed in claim 3, wherein the connecting shaft (21) is provided with a fourth annular groove (26), a first sealing ring (27) is arranged in the fourth annular groove (26), and the first sealing ring (27) abuts against a fifth annular groove (28) formed in the fixing base (5).
5. A novel vacuum pump according to claim 1, characterized in that the right end of the connecting head (17) is provided with a cap (29).
6. A novel vacuum pump according to claim 1, characterized in that the lower end of the pump body (1) is provided with a base (30) for supporting the pump body (1), and a micro circuit board is arranged in the base (30).
7. A new vacuum pump according to claim 1, characterized in that the pump body (1) is provided with a switch (31) for opening and closing the vacuum pump.
8. A new vacuum pump according to claim 1, characterized in that said pump body (1) is provided with a handle (32) for easy access.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922173926.1U CN211144747U (en) | 2019-12-07 | 2019-12-07 | Novel vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922173926.1U CN211144747U (en) | 2019-12-07 | 2019-12-07 | Novel vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211144747U true CN211144747U (en) | 2020-07-31 |
Family
ID=71750859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922173926.1U Active CN211144747U (en) | 2019-12-07 | 2019-12-07 | Novel vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211144747U (en) |
-
2019
- 2019-12-07 CN CN201922173926.1U patent/CN211144747U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |