CN214092318U - Anti-suck-back circulating water type vacuum pump - Google Patents
Anti-suck-back circulating water type vacuum pump Download PDFInfo
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- CN214092318U CN214092318U CN202120069989.7U CN202120069989U CN214092318U CN 214092318 U CN214092318 U CN 214092318U CN 202120069989 U CN202120069989 U CN 202120069989U CN 214092318 U CN214092318 U CN 214092318U
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Abstract
The utility model discloses a prevent suck-back circulating water formula vacuum pump relates to vacuum pump technical field. Including PMKD and prevent down the frame, prevent down the frame and be located PMKD's top department, prevent down the outer wall right side installation of frame and be provided with the vacuum main pump, and the outer wall left side installation of vacuum main pump is provided with the protection frame, prevents down the inner wall left side installation of frame and is provided with and prevents down the inside casing. Through preventing down the inside casing, the slide bar, the main spring, the limiting plate, prevent down the head and prevent down the contact pad, utilize simple structure, can effectually prevent down inhaling to circulation water formula vacuum pump, avoid circulation water formula vacuum pump to stop the pump suddenly, cause the suck-back phenomenon, avoid water suck-back by the vacuumed container in, through flexible main frame, flexible vice frame and auxiliary spring, can reduce the vibrations effect that circulation water formula vacuum pump self produced, make vibrations effect reduce, avoid circulation water formula vacuum pump skew to appear, influence the vacuum pump and normally work.
Description
Technical Field
The utility model relates to a vacuum pump technical field specifically is a prevent suck-back circulating water formula vacuum pump.
Background
The existing water ring vacuum pump is internally provided with an eccentric rotor with fixed blades, water is thrown to the wall of a stator and forms a liquid ring concentric with the stator, the liquid ring and the rotor blades form a variable-volume rotary variable-volume vacuum pump, the water ring vacuum pump, called a water ring pump for short, is a rough vacuum pump, and can also be used as a compressor, called a water ring compressor and belongs to low-pressure compressor force.
Present circulating water formula vacuum pump then is common vacuum pump, can cause the suck-back phenomenon when circulating water formula vacuum pump stops the pump suddenly to make water suck-back by in the evacuated container, and then lead to the fact certain influence to the evacuated container, secondly, circulating water formula vacuum pump during operation can produce slight vibrations, leads to circulating water formula vacuum pump to appear squinting, influences the normal work of vacuum pump.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prevent suck-back circulating water formula vacuum pump, through preventing down the inside casing, the slide bar, the main spring, the limiting plate, prevent the end and prevent the contact pad, utilize simple structure, can effectually prevent suck-back to circulating water formula vacuum pump, avoid circulating water formula vacuum pump to stop the pump suddenly, cause the suck-back phenomenon, avoid water suck-back by the vacuumized container in, through flexible main frame, flexible vice frame and vice spring, can reduce the vibrations effect that circulating water formula vacuum pump self produced, make the vibrations effect reduce, avoid circulating water formula vacuum pump to appear squinting, influence the normal work of vacuum pump.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a reverse suction prevention circulating water type vacuum pump comprises a fixed base plate and a reverse prevention outer frame, wherein the reverse prevention outer frame is positioned at the top of the fixed base plate, a vacuum main pump is arranged on the right side of the outer wall of the reverse prevention outer frame, a protection outer frame is arranged on the left side of the outer wall of the vacuum main pump, a reverse prevention inner frame is arranged on the left side of the inner wall of the reverse prevention outer frame, a sliding rod is embedded in the right side of the outer wall of the reverse prevention inner frame in a sliding mode, a reverse prevention head is fixedly arranged at one end, away from the reverse prevention inner frame, of the sliding rod, a main spring is sleeved on the outer wall of the sliding rod, one side of the main spring is fixed at the outer wall of the reverse prevention head, the other side of the main spring is fixed at the outer wall of the reverse prevention inner frame, a connecting pipe is communicated with the left side of the outer wall of the reverse prevention inner frame, a telescopic main frame is fixedly arranged at the bottom of the outer wall of the reverse prevention inner frame, and a telescopic auxiliary frame is embedded at the bottom in a sliding mode, and the bottom of the telescopic auxiliary frame is fixedly arranged at the top of the fixed base plate, an auxiliary spring is fixedly arranged at the top of the inner wall of the telescopic main frame, and one end, far away from the telescopic main frame, of the auxiliary spring is fixed at the bottom of the inner wall of the telescopic auxiliary frame.
As the utility model relates to a prevent suck-back circulating water formula vacuum pump, the outer wall bottom of protection frame is fixed and is provided with two backup pads, and the bottom of two backup pads all is fixed in PMKD.
As the utility model relates to a prevent suck-back circulation water formula vacuum pump, the fixed four supporting shoes that are provided with in bottom plate's bottom edge, and the outer wall bottom of four supporting shoes all bonds and is provided with the slipmat.
As the utility model relates to a prevent suck-back circulating water formula vacuum pump, the outer wall cover of vacuum main pump is equipped with two protection rings, and the outer wall of two protection rings inlays and locates the protection frame.
As the utility model relates to a prevent suck-back circulating water formula vacuum pump, the fixed limiting plate that is provided with in outer wall left side of slide bar, and the outer wall right side of limiting plate laminate in the inner wall department of preventing down the inside casing.
As the utility model relates to a prevent suck-back circulating water formula vacuum pump, the outer wall right side bonding of preventing falling the head is provided with prevents down the contact mat, and prevents down the outer wall right side slip of contact mat and inlay the inner wall right side department of locating the frame of preventing down.
The utility model provides a prevent suck-back circulating water formula vacuum pump. The method has the following beneficial effects:
(1) this prevent suck-back circulating water formula vacuum pump through preventing down inside casing, slide bar, main spring, limiting plate, prevent down the head and prevent down the contact pad, utilizes simple structure, can effectually prevent suck-back to circulating water formula vacuum pump, avoids circulating water formula vacuum pump to stop the pump suddenly, causes the suck-back phenomenon, in avoiding water suck-back by the vacuumed container.
(2) This prevent suck-back circulating water formula vacuum pump through flexible main frame, flexible vice frame and auxiliary spring, can reduce the vibrations effect that circulating water formula vacuum pump self produced, makes vibrations effect reduce, avoids circulating water formula vacuum pump skew to appear, influences the vacuum pump and normally works.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a side view of the present invention.
In the figure: 1. fixing the bottom plate; 2. a support plate; 3. a protective outer frame; 4. a vacuum main pump; 5. a guard ring; 6. a support block; 7. an anti-falling outer frame; 8. an anti-falling inner frame; 9. a slide bar; 10. a main spring; 11. a limiting plate; 12. the head is prevented from falling; 13. an anti-falling contact pad; 14. a connecting pipe; 15. a telescopic main frame; 16. a telescopic auxiliary frame; 17. a secondary spring; 601. a non-slip mat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a suck-back-preventing circulating water type vacuum pump comprises a fixed base plate 1 and a suck-back-preventing outer frame 7, wherein the suck-back-preventing outer frame 7 is positioned at the top of the fixed base plate 1, a vacuum main pump 4 is arranged on the right side of the outer wall of the suck-back-preventing outer frame 7, a protective outer frame 3 is arranged on the left side of the outer wall of the vacuum main pump 4, a suck-back-preventing inner frame 8 is arranged on the left side of the inner wall of the suck-back-preventing outer frame 7, a slide rod 9 is slidably embedded on the right side of the outer wall of the suck-back-preventing inner frame 8, a suck-back-preventing head 12 is fixedly arranged at one end, away from the suck-back-preventing inner frame 8, of the slide rod 9 is sleeved with a main spring 10, one side of the main spring 10 is fixed on the outer wall of the suck-back-preventing head 12, the other side of the main spring 10 is fixed on the outer wall of the suck-back-preventing inner frame 8, a telescopic main frame 15 is fixedly arranged at the bottom of the outer wall of the suck-back-preventing inner frame 15, and a telescopic auxiliary frame 16 is slidably embedded on the bottom of the inner wall of the telescopic main frame, and the bottom of the telescopic auxiliary frame 16 is fixedly arranged at the top of the fixed bottom plate 1, the top of the inner wall of the telescopic main frame 15 is fixedly provided with an auxiliary spring 17, and one end of the auxiliary spring 17, which is far away from the telescopic main frame 15, is fixed at the bottom of the inner wall of the telescopic auxiliary frame 16.
In this embodiment: by the anti-falling outer frame 7, the anti-falling outer frame 7 is connected with the vacuum main pump 4 in a sealing way, the anti-falling inner frame 8 in the anti-falling outer frame 7 is in a hollow shape, water can flow, the anti-falling head 12 can be pushed to abut against the joint of the anti-falling outer frame 7 and the vacuum main pump 4 through the sliding rod 9, when the water flows out of the vacuum main pump 4, the anti-falling head 12 can be pushed to pass through the interior of the anti-falling outer frame 7, when the vacuum main pump 4 stops working, the anti-falling head 12 can abut against the joint of the anti-falling outer frame 7 and the vacuum main pump 4 under the pushing of the elastic force of the main spring 10, the anti-falling head 12 can effectively prevent the circulating water type vacuum pump from being sucked backwards, the phenomenon that the circulating water type vacuum pump is stopped suddenly and the suck backwards is avoided, the water is prevented from being sucked into a vacuumized container backwards, the telescopic main frame 15 is fixed at the bottom of the anti-falling outer frame 7, and is sleeved on the telescopic auxiliary frame 16 in a sliding way, under the effect of auxiliary spring 17, can reduce the vibrations effect that circulating water formula vacuum pump self produced, make vibrations effect reduce, avoid circulating water formula vacuum pump skew to appear, influence the vacuum pump and normally work.
Specifically, the outer wall bottom of the protection outer frame 3 is fixedly provided with two supporting plates 2, and the bottoms of the two supporting plates 2 are fixed on the fixing bottom plate 1.
In this embodiment: through two backup pads 2, can make protection frame 3 fix at PMKD 1, make the vacuum pump during operation, more stable.
Specifically, the bottom corners of the fixing base plate 1 are fixedly provided with four supporting blocks 6, and the bottoms of the outer walls of the four supporting blocks 6 are all adhered with anti-slip pads 601.
In this embodiment: through four supporting blocks 6, can make the better support of PMKD 1 subaerial, through slipmat 601, can increase slipperiness of slipmat 601.
Specifically, the outer wall of the vacuum main pump 4 is sleeved with two protection rings 5, and the outer walls of the two protection rings 5 are embedded in the protection outer frame 3.
In this embodiment: by the two protection rings 5, the vacuum main pump 4 can be stably installed in the protection outer frame 3, and the vibration effect can be reduced.
Specifically, the limiting plate 11 is fixedly arranged on the left side of the outer wall of the sliding rod 9, and the right side of the outer wall of the limiting plate 11 is attached to the inner wall of the anti-falling inner frame 8.
In this embodiment: through limiting plate 11, can make slide bar 9 restrict the slip, avoid slide bar 9 to drop in preventing down frame 7.
Specifically, the anti-falling contact pad 13 is adhered to the right side of the outer wall of the anti-falling head 12, and the right side of the outer wall of the anti-falling contact pad 13 is slidably embedded in the right side of the inner wall of the anti-falling outer frame 7.
In this embodiment: through the anti-falling contact pad 13, when the anti-falling head 12 contacts the inner wall of the anti-falling outer frame 7, the sealing is tighter, so that the phenomenon of suck-back is avoided.
When the vacuum main pump 4 stops working, the anti-falling head 12 can be pushed by the elasticity of the main spring 10 to enable the anti-falling head 12 to abut against the joint of the anti-falling outer frame 7 and the vacuum main pump 4, so that the circulating water type vacuum pump can be effectively prevented from being sucked reversely, the circulating water type vacuum pump is prevented from being suddenly stopped to cause the suck-back phenomenon, the water is prevented from being sucked into a vacuumized container reversely, the vacuum main pump 4 can generate vibration during working, the telescopic main frame 15 is fixed at the bottom of the anti-falling outer frame 7 and is sleeved on the telescopic auxiliary frame 16 in a sliding manner, and the vibration effect generated by the circulating water type vacuum pump can be reduced under the action of the auxiliary spring 17, make vibrations effect reduce, avoid circulating water formula vacuum pump skew to appear, influence the vacuum pump and normally work, four supporting shoes 6 of fixed baseplate 1 bottom can make the better support of fixed baseplate 1 subaerial, and the skid resistant pad 601 of four 6 bottom bonding of supporting shoes can increase skid resistant pad 601's antiskid nature.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a prevent suck-back circulation water formula vacuum pump, includes PMKD (1) and prevents down frame (7), prevent down frame (7) and be located the top department of PMKD (1), its characterized in that: the anti-falling device is characterized in that a vacuum main pump (4) is arranged on the right side of the outer wall of the anti-falling outer frame (7), a protection outer frame (3) is arranged on the left side of the outer wall of the vacuum main pump (4), an anti-falling inner frame (8) is arranged on the left side of the inner wall of the anti-falling outer frame (7), a sliding rod (9) is slidably embedded on the right side of the outer wall of the anti-falling inner frame (8), an anti-falling head (12) is fixedly arranged at one end, away from the anti-falling inner frame (8), of the sliding rod (9), a main spring (10) is sleeved on the outer wall of the sliding rod (9), one side of the main spring (10) is fixed at the outer wall of the anti-falling head (12), the other side of the main spring (10) is fixed at the outer wall of the anti-falling inner frame (8), a connecting pipe (14) is communicated with the left side of the outer wall of the anti-falling inner frame (8), a telescopic main frame (15) is fixedly arranged at the bottom of the outer wall of the anti-falling inner frame (8), and the bottom of the inner wall of the telescopic main frame (15) is slidably embedded with a telescopic auxiliary frame (16), the bottom of the telescopic auxiliary frame (16) is fixedly arranged at the top of the fixed base plate (1), an auxiliary spring (17) is fixedly arranged at the top of the inner wall of the telescopic main frame (15), and one end, far away from the telescopic main frame (15), of the auxiliary spring (17) is fixed at the bottom of the inner wall of the telescopic auxiliary frame (16).
2. A suck back prevention circulating water vacuum pump as defined in claim 1, wherein: the outer wall bottom of protection frame (3) is fixed and is provided with two backup pads (2), and the bottom of two backup pads (2) all is fixed in PMKD (1).
3. A suck back prevention circulating water vacuum pump as defined in claim 1, wherein: the bottom corner of the fixed bottom plate (1) is fixedly provided with four supporting blocks (6), and the bottoms of the outer walls of the four supporting blocks (6) are all adhered with anti-skid pads (601).
4. A suck back prevention circulating water vacuum pump as defined in claim 1, wherein: the outer wall cover of vacuum main pump (4) is equipped with two protection rings (5), and the outer wall of two protection rings (5) inlays and locates protection frame (3).
5. A suck back prevention circulating water vacuum pump as defined in claim 1, wherein: the limiting plate (11) is fixedly arranged on the left side of the outer wall of the sliding rod (9), and the right side of the outer wall of the limiting plate (11) is attached to the inner wall of the anti-falling inner frame (8).
6. A suck back prevention circulating water vacuum pump as defined in claim 1, wherein: the right side of the outer wall of the anti-falling head (12) is provided with an anti-falling contact pad (13) in an adhesion mode, and the right side of the outer wall of the anti-falling contact pad (13) is embedded in the right side of the inner wall of the anti-falling outer frame (7) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120069989.7U CN214092318U (en) | 2021-01-12 | 2021-01-12 | Anti-suck-back circulating water type vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120069989.7U CN214092318U (en) | 2021-01-12 | 2021-01-12 | Anti-suck-back circulating water type vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214092318U true CN214092318U (en) | 2021-08-31 |
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ID=77438311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120069989.7U Active CN214092318U (en) | 2021-01-12 | 2021-01-12 | Anti-suck-back circulating water type vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214092318U (en) |
-
2021
- 2021-01-12 CN CN202120069989.7U patent/CN214092318U/en active Active
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