CN209012056U - A kind of water-ring vacuum pump - Google Patents
A kind of water-ring vacuum pump Download PDFInfo
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- CN209012056U CN209012056U CN201821772250.7U CN201821772250U CN209012056U CN 209012056 U CN209012056 U CN 209012056U CN 201821772250 U CN201821772250 U CN 201821772250U CN 209012056 U CN209012056 U CN 209012056U
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- pump housing
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- shell
- ring
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Abstract
The utility model discloses a kind of water-ring vacuum pumps, including the pump housing, rotation axis, impeller, ball, air entry, water ring, fixed block, fixed ring, exhaust pipe, air intake duct, explosion-proof valve, shell, U-shaped top plate, mandril, spring, threaded post, thread cap, discharge outlet, damping mat and through-hole, the pump housing is internally provided with rotation axis, the outer surface of the rotation axis is fixedly connected with impeller, the inside of the pump housing and be located at rotation axis at left and right sides of be respectively arranged with ball and air entry, the water-ring vacuum pump can be provided with one layer of water ring in the inner wall of the pump housing when in use.The utility model passes through the explosion-proof valve that exhaust pipe is arranged in, even if the gas that can not be discharged can be made to obtain effective discharge in time, such setting will not make extra gas residue in the inside of the pump housing, the pump housing will not be made to generate damage because of quickly increasing for pressure, and the utility model is structurally reasonable, easy to use.
Description
Technical field
The utility model relates to vacuum pump technology field, specially a kind of water-ring vacuum pump.
Background technique
Water ring vacuum pump (abbreviation water ring pump) is a kind of rough vacuum pump, and it is 2000- that it, which can be obtained ultimate vacuum,
4000Pa, vacuum pump of connecting is up to 270-670Pa.Water ring pump also is used as compressor, referred to as liquid piston compressor, is to belong to
In the compressor of low pressure, pressure limit is 1~2 × 105Pa meter pressure, and water ring pump is initially used as self-priming water pump, then gradually
For many industrial departments such as petroleum, chemical industry, machinery, mine, light industry, medicine and food.In industrial many technique mistakes
Cheng Zhong, such as vacuum filter, vacuum water diversion, vacuum feeding, vacuum evaporation, vacuum concentration, vacuum conditioning and vacuum outgas, water ring
Pump is widely used.
Water-ring vacuum pump is usually to be mechanically coupled with extraneous, but vacuum pump is when practical when in use
Very big pressure being generated, might have the generation of explosive event not in time if discharged, for this purpose, it is proposed that a kind of water
Ring vacuum pumps.
Utility model content
The purpose of this utility model is to provide a kind of water-ring vacuum pumps, to solve the problems, such as to propose in the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of water-ring vacuum pump, including the pump housing,
Rotation axis, impeller, ball, air entry, water ring, fixed block, fixed ring, exhaust pipe, air intake duct, explosion-proof valve, shell, U-shaped top
Plate, mandril, spring, threaded post, thread cap, discharge outlet, damping mat and through-hole, the pump housing are internally provided with rotation axis, institute
The outer surface for stating rotation axis is fixedly connected with impeller, and the inside of the pump housing and being located at left and right sides of rotation axis is respectively arranged with
Ball and air entry, the water-ring vacuum pump can be provided with one layer of water ring, the pump housing in the inner wall of the pump housing when in use
It is fixedly connected with exhaust pipe at the top of outer wall, the top of the pump housing and is located on the right side of exhaust pipe and is provided with air intake duct, it is described
The bottom of air intake duct is connected to through the pump housing and with air entry fixation, and the bottom of the exhaust pipe is fixed through the pump housing and with ball
Connection, the side of the exhaust pipe is provided with explosion-proof valve；
The explosion-proof valve includes shell, and through through-hole is offered, the inner wall of the shell is provided on the right side of the shell
The side of the U-shaped top plate being slidably connected with it, the U-shaped top plate inner wall is fixedly connected with mandril, and the mandril is far from U-shaped top plate
One end of inner wall is fixedly connected with threaded post, and one end of the threaded post runs through through-hole and extends to the outside of shell, the spiral shell
One end that line column is located at hull outside is provided with thread cap, the side of the U-shaped top plate inner wall and the fixation outside mandril
It is connected with spring, the two sides of the shell offer the discharge outlet through setting.
Preferably, the two sides of the pump housing outer wall are fixedly installed with symmetrical fixed block respectively, the fixed block
Surface, which is run through, offers fixed ring.
Preferably, the outer wall connection of the inner wall of the shell and U-shaped top plate is provided with damping mat.
Compared with prior art, the utility model has the following beneficial effects: the utility model is by being arranged in exhaust pipe
Explosion-proof valve, even if the gas that can not be discharged can be made, which to obtain effective discharge, such setting in time, will not make extra gas
Body remains in the inside of the pump housing, and the pump housing will not be made to generate damage, and the utility model structure because of quickly increasing for pressure
Rationally, easy to use.
Detailed description of the invention
Fig. 1 is the utility model front view structural representation；
Fig. 2 is the utility model anti-explosion valve structure schematic diagram.
In figure: 1 pump housing, 2 rotation axis, 3 impellers, 4 balls, 5 air entries, 6 water rings, 7 fixed blocks, 8 fixed rings, 9 exhausts
Pipe, 10 air intake ducts, 11 explosion-proof valves, 12 shells, 13 U-shaped top plates, 14 mandrils, 15 springs, 16 threaded posts, 17 thread caps, 18 discharges
Mouth, 19 damping mats, 20 through-holes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of water-ring vacuum pump, including the pump housing 1, rotation
Axis 2, impeller 3, ball 4, air entry 5, water ring 6, fixed block 7, fixed ring 8, exhaust pipe 9, air intake duct 10, explosion-proof valve 11, shell
Body 12, U-shaped top plate 13, mandril 14, spring 15, threaded post 16, thread cap 17, discharge outlet 18, damping mat 19 and through-hole 20, it is described
The two sides of 1 outer wall of the pump housing are fixedly installed with symmetrical fixed block 7 respectively, and the surface of the fixed block 7 is solid through offering
Determine ring 8, the setting of fixed block 7 and fixed ring 8 can be convenient the installation of the pump housing 1, and the pump housing 1 is internally provided with rotation axis 2,
The outer surface of the rotation axis 2 is fixedly connected with impeller 3, the inside of the pump housing 1 and the left and right sides difference for being located at rotation axis 2
It is provided with ball 4 and air entry 5, the water-ring vacuum pump can be provided with one layer of water ring in the inner wall of the pump housing 1 when in use
6, it is fixedly connected with exhaust pipe 9 at the top of 1 outer wall of the pump housing, the top of the pump housing 1 and right side for being located at exhaust pipe 9 is arranged
There is air intake duct 10, the bottom of the air intake duct 10 is connected to through the pump housing 1 and with the fixation of air entry 5, and the bottom of the exhaust pipe 9 is passed through
It wears the pump housing 1 and is connected to the fixation of ball 4, the side of the exhaust pipe 9 is provided with explosion-proof valve 11；
The explosion-proof valve 11 includes shell 12, and the right side of the shell 12, which is run through, offers through-hole 20, the shell 12
Inner wall is provided with the U-shaped top plate 13 being slidably connected with it, and the side of U-shaped 13 inner wall of top plate is fixedly connected with mandril 14, institute
It states mandril 14 and is fixedly connected with threaded post 16 far from one end of U-shaped 13 inner wall of top plate, through-hole is run through in one end of the threaded post 16
20 and the outside of shell 12 is extended to, one end that the threaded post 16 is located at outside shell 12 is provided with thread cap 17, described U-shaped
The side of 13 inner wall of top plate and be located at mandril 14 outside be fixedly connected with spring 15, the two sides of the shell 12, which offer, to be passed through
The discharge outlet 18 set is worn, the inner wall of the shell 12 and the outer wall connection of U-shaped top plate 13 are provided with damping mat 19, damping
The setting of pad 19 can be convenient the mutual sliding between 12 inner wall of shell and U-shaped top plate 13.
In use, firstly, the impeller 3 that will drive outer surface when rotation axis 2 rotates rotates, and the rotation of impeller 3
The inner wall of the pump housing 1 can be made to form one layer of water ring 6, and the change of the gas volume inside the pump housing 1 may be implemented in the quick rotation of impeller 3
Change to realize air-breathing, compression and exhaust, and the gas pressure intensity generated inside the pump housing 1 can not quickly pass through exhaust pipe 9
When discharge, it is mobile to the inner wall of shell 12 that the gas inside exhaust pipe 9 will push U-shaped top plate 13, and during moving
It will receive the damping force of spring 15, be only that just will push the U-shaped movement of top plate 13 when pressure reaches a certain level, then when U-shaped
Top plate 13, which is pushed to gas pressure intensity extra when the position being connected with discharge outlet 18, exhaust pipe 9 is discharged by discharge outlet 18
Inside, and so that the distance between thread cap 17 and threaded post 16 is expanded and is shunk by rotating thread cap 17, it can change anti-
The elasticity of quick-fried valve 11 is come the size of pressure when controlling gas discharge.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of water-ring vacuum pump, including the pump housing (1), rotation axis (2), impeller (3), ball (4), air entry (5), water ring
(6), fixed block (7), fixed ring (8), exhaust pipe (9), air intake duct (10), explosion-proof valve (11), shell (12), U-shaped top plate (13),
Mandril (14), spring (15), threaded post (16), thread cap (17), discharge outlet (18), damping mat (19) and through-hole (20), it is special
Sign is: the pump housing (1) is internally provided with rotation axis (2), and the outer surface of the rotation axis (2) is fixedly connected with impeller
(3), the inside of the pump housing (1) and be located at rotation axis (2) at left and right sides of be respectively arranged with ball (4) and air entry (5),
The water-ring vacuum pump can be provided with one layer of water ring (6) in the inner wall of the pump housing (1) when in use, the pump housing (1) outer wall
Top is fixedly connected with exhaust pipe (9), the top of the pump housing (1) and be located at exhaust pipe (9) on the right side of be provided with air intake duct
(10), the bottom of the air intake duct (10) is connected to through the pump housing (1) and with air entry (5) fixation, the bottom of the exhaust pipe (9)
It is connected to through the pump housing (1) and with ball (4) fixation, the side of the exhaust pipe (9) is provided with explosion-proof valve (11)；
The explosion-proof valve (11) includes shell (12), and the right side of the shell (12), which is run through, offers through-hole (20), the shell
(12) inner wall is provided with the U-shaped top plate (13) being slidably connected with it, and the side of U-shaped top plate (13) inner wall is fixedly connected with
Mandril (14), the mandril (14) are fixedly connected with threaded post (16), the threaded post far from one end of U-shaped top plate (13) inner wall
(16) one end runs through through-hole (20) and extends to the outside of shell (12), and the threaded post (16) is located at shell (12) outside
One end is provided with thread cap (17), the side of U-shaped top plate (13) inner wall and be located at mandril (14) outside be fixedly connected with
Spring (15), the two sides of the shell (12) offer the discharge outlet (18) through setting.
2. a kind of water-ring vacuum pump according to claim 1, it is characterised in that: the two sides of the pump housing (1) outer wall point
It is not fixedly installed with symmetrical fixed block (7), the surface of the fixed block (7), which is run through, offers fixed ring (8).
3. a kind of water-ring vacuum pump according to claim 1, it is characterised in that: the inner wall of the shell (12) and U-shaped
The outer wall connection of top plate (13) is provided with damping mat (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821772250.7U CN209012056U (en) | 2018-10-30 | 2018-10-30 | A kind of water-ring vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821772250.7U CN209012056U (en) | 2018-10-30 | 2018-10-30 | A kind of water-ring vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209012056U true CN209012056U (en) | 2019-06-21 |
Family
ID=66840633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821772250.7U Active CN209012056U (en) | 2018-10-30 | 2018-10-30 | A kind of water-ring vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209012056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682328A (en) * | 2021-01-05 | 2021-04-20 | 南京方显精商贸有限公司 | Vacuum pump for preparing cell culture medium |
-
2018
- 2018-10-30 CN CN201821772250.7U patent/CN209012056U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682328A (en) * | 2021-01-05 | 2021-04-20 | 南京方显精商贸有限公司 | Vacuum pump for preparing cell culture medium |
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