CN216518629U - Anti-suck-back circulating water type vacuum pump - Google Patents
Anti-suck-back circulating water type vacuum pump Download PDFInfo
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- CN216518629U CN216518629U CN202123001832.XU CN202123001832U CN216518629U CN 216518629 U CN216518629 U CN 216518629U CN 202123001832 U CN202123001832 U CN 202123001832U CN 216518629 U CN216518629 U CN 216518629U
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- suction pipe
- circulating water
- suck
- vacuum pump
- noise reduction
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Abstract
The utility model relates to the technical field of vacuum pumps, in particular to a suck-back prevention circulating water type vacuum pump. The anti-falling suction pipe comprises a base and a noise reduction shell, wherein the noise reduction shell is positioned on the base, a pump body is arranged in the noise reduction shell, a suction pipe is arranged on one side of the pump body and is connected with an anti-falling suction pipe, a first belly containing cavity and a second belly containing cavity are arranged on one side of the anti-falling suction pipe close to the base, an air suction port is arranged on one side of the anti-falling suction pipe far away from the pump body, a hinge joint is arranged on the inner wall of the anti-falling suction pipe, a blocking piece is hinged to the hinge joint, a magnetic paste is arranged on one side of the blocking piece close to the air suction port, and a first joint is arranged on one side of the magnetic paste far away from the hinge joint; an installation groove is formed in the inner wall of the anti-backflow suction pipe, a second joint is arranged in the installation groove, and a first spring is arranged between the first joint and the second joint. The utility model provides a suck-back prevention circulating water type vacuum pump which is good in shock absorption performance, small in noise generated during working and capable of effectively preventing suck-back.
Description
Technical Field
The utility model provides a reverse-suction-prevention circulating water type vacuum pump, and belongs to the technical field of vacuum pumps.
Background
Circulating water formula vacuum pump is called water ring vacuum pump again, is one kind and relies on the change of pump chamber volume to realize breathing in, compression and carminative rough vacuum pump, may cause the suck-back phenomenon when circulating water formula vacuum pump stops the pump suddenly to make water suck-back by in the evacuation container, and then lead to the fact certain influence to being evacuated container, and current circulating water formula vacuum pump damping performance is poor, the noise that the during operation sent is big. Therefore, the utility model provides the anti-suck-back circulating water type vacuum pump, and the problems are solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a suck-back prevention circulating water type vacuum pump which is good in shock absorption performance, small in noise generated during working and capable of effectively preventing suck-back.
The utility model provides a suck-back prevention circulating water type vacuum pump which comprises a base and a noise reduction shell, wherein the noise reduction shell is positioned on the base, a pump body is arranged in the noise reduction shell, one side of the pump body is provided with an air suction pipe, the air suction pipe is connected with a suck-back prevention pipe, one side of the suck-back prevention pipe, which is close to the base, is provided with a first belly containing cavity and a second belly containing cavity, one side of the suck-back prevention pipe, which is far away from the pump body, is provided with an air suction port, the inner wall of the suck-back prevention pipe is provided with a hinged joint, the hinged joint is hinged with a blocking piece, one side of the blocking piece, which is close to the air suction port, is provided with a magnetic paste, and one side of the magnetic paste, which is far away from the hinged joint, is provided with a first joint; the anti-backflow suction pipe is characterized in that an installation groove is formed in the inner wall of the anti-backflow suction pipe, a second joint is arranged in the installation groove, and a first spring is arranged between the first joint and the second joint.
The base is provided with a supporting rod, the top of the supporting rod is connected with a falling prevention straw, a second spring is arranged inside the supporting rod, and the supporting rod is located between a first belly containing cavity and a second belly containing cavity.
And third springs are uniformly arranged in the base.
One side of the anti-falling suction pipe, which is far away from the pump body, penetrates through the noise reduction shell and extends out of the noise reduction shell.
The air suction port is positioned between the hinged joint and the mounting groove.
The noise reduction shell is filled with sound absorption materials.
The utility model has the beneficial effects that:
the first belly containing cavity, the second belly containing cavity and the first spring are arranged, so that water can be effectively prevented from being sucked into the vacuumized container when the pump body stops suddenly;
the second spring and the third spring are arranged, so that the vibration generated when the pump body works can be effectively reduced, and the stability of the pump body is improved;
the noise reduction shell can effectively reduce the noise generated when the pump body works, and reduces noise pollution.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is an enlarged view of the structure of the present invention at A.
(1, base, 2, the shell of making an uproar falls, 3, the pump body, 4, breathing pipe, 5, prevent down the straw, 6, first hold tripe chamber, 7, the second holds tripe chamber, 8, the hinge joint, 9, stifled piece, 10, first joint, 11, mounting groove, 12, second joint, 13, first spring, 14, bracing piece, 15, second spring, 16, third spring, 17, sound absorbing material, 18, magnetic paste)
Detailed Description
The utility model provides a prevent suck-back circulating water formula vacuum pump which characterized in that: the anti-falling device comprises a base 1 and a noise-reducing shell 2, wherein the noise-reducing shell 2 is positioned on the base 1, a pump body 3 is arranged in the noise-reducing shell 2, an air suction pipe 4 is arranged on one side of the pump body 3, the air suction pipe 4 is connected with an anti-falling suction pipe 5, a first belly containing cavity 6 and a second belly containing cavity 7 are arranged on one side, close to the base 1, of the anti-falling suction pipe 5, an air suction port 19 is arranged on one side, away from the pump body 3, of the anti-falling suction pipe 5, a hinge joint 8 is arranged on the inner wall of the anti-falling suction pipe 5, a blocking piece 9 is hinged to the hinge joint 8, a magnetic sticker 18 is arranged on one side, close to the air suction port 19, of the magnetic sticker 18, and a first joint 10 is arranged on one side, away from the hinge joint 8; an installation groove 11 is formed in the inner wall of the anti-backflow suction pipe 5, a second connector 12 is arranged in the installation groove 11, and a first spring 13 is arranged between the first connector 10 and the second connector 12.
Be provided with the bracing piece 14 on the base 1, the straw 5 is prevented down in the connection of 14 tops of bracing piece, the inside second spring 15 that is provided with of bracing piece 14, bracing piece 14 is located first hold tripe chamber 6 and second hold between the tripe chamber 7.
And third springs 16 are uniformly arranged in the base 1.
One side of the anti-falling suction pipe 5, which is far away from the pump body 3, penetrates through the noise reduction shell 2 and extends out of the noise reduction shell 2.
The suction opening 19 is located between the hinge 8 and the mounting groove 11.
The noise reduction shell 2 is filled with sound absorption materials 17.
The utility model provides a suck-back prevention circulating water type vacuum pump, when in use, a pump body works to pump air from a vacuumized container, airflow provides thrust for a blocking piece through an air suction port of a suck-back prevention pipe to enable the blocking piece to move towards a direction far away from the air suction port, a first spring is stretched, a gap for the airflow to pass is formed between the air suction port and the blocking piece, and the airflow passing through the gap enters the pump body through an air suction pipe; when the pump body stops working suddenly, due to the action of the pressure inside the vacuumized container, suck-back can occur inside the pump body, when suck-back occurs, suck-back water sequentially passes through the first belly containing cavity and the second belly containing cavity, the first belly containing cavity and the second belly containing cavity can effectively intercept the suck-back water, and the suck-back water is prevented from being directly sucked into the air suction port; meanwhile, the elastic force of the first spring is recovered to drive the blocking piece to reset to block the air suction port, so that water which is not intercepted by the first belly containing cavity and the second belly containing cavity is prevented from being directly sucked into the vacuumized container in a reverse mode.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a prevent suck-back circulating water formula vacuum pump which characterized in that: comprises a base (1) and a noise reduction shell (2), wherein the noise reduction shell (2) is positioned on the base (1), a pump body (3) is arranged in the noise reduction shell (2), an air suction pipe (4) is arranged at one side of the pump body (3), the air suction pipe (4) is connected with an anti-falling suction pipe (5), one side of the anti-falling suction pipe (5) close to the base (1) is provided with a first belly containing cavity (6) and a second belly containing cavity (7), one side of the anti-falling suction pipe (5) far away from the pump body (3) is provided with an air suction port (19), the inner wall of the anti-falling suction pipe (5) is provided with a hinged joint (8), the hinged joint (8) is hinged with a blocking piece (9), a magnetic sticker (18) is arranged on one side of the blocking piece (9) close to the air suction port (19), a first joint (10) is arranged on one side, away from the hinged joint (8), of the magnetic paste (18); the anti-falling suction pipe is characterized in that an installation groove (11) is formed in the inner wall of the anti-falling suction pipe (5), a second connector (12) is arranged in the installation groove (11), and a first spring (13) is arranged between the first connector (10) and the second connector (12).
2. A suck back prevention circulating water vacuum pump as defined in claim 1, wherein: be provided with bracing piece (14) on base (1), straw (5) are prevented down in the connection of bracing piece (14) top, bracing piece (14) inside is provided with second spring (15), bracing piece (14) are located first hold tripe chamber (6) and second hold between tripe chamber (7).
3. A suck back prevention circulating water vacuum pump as defined in claim 1, wherein: and third springs (16) are uniformly arranged in the base (1).
4. A suck back prevention circulating water vacuum pump as defined in claim 1, wherein: one side of the anti-falling suction pipe (5) far away from the pump body (3) penetrates through the noise reduction shell (2) and extends out of the noise reduction shell (2).
5. A suck back prevention circulating water vacuum pump as defined in claim 1, wherein: the air suction port (19) is positioned between the hinged joint (8) and the mounting groove (11).
6. A suck back prevention circulating water vacuum pump as defined in claim 1, wherein: and the noise reduction shell (2) is filled with sound absorption materials (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123001832.XU CN216518629U (en) | 2021-12-02 | 2021-12-02 | Anti-suck-back circulating water type vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123001832.XU CN216518629U (en) | 2021-12-02 | 2021-12-02 | Anti-suck-back circulating water type vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216518629U true CN216518629U (en) | 2022-05-13 |
Family
ID=81464202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123001832.XU Active CN216518629U (en) | 2021-12-02 | 2021-12-02 | Anti-suck-back circulating water type vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216518629U (en) |
-
2021
- 2021-12-02 CN CN202123001832.XU patent/CN216518629U/en active Active
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