CN112253454A - Water ring vacuum pump - Google Patents
Water ring vacuum pump Download PDFInfo
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- CN112253454A CN112253454A CN202011137008.4A CN202011137008A CN112253454A CN 112253454 A CN112253454 A CN 112253454A CN 202011137008 A CN202011137008 A CN 202011137008A CN 112253454 A CN112253454 A CN 112253454A
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- rod
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- cover plate
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- rotating shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C19/00—Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention belongs to the technical field of water ring vacuum pumps, in particular to a water ring vacuum pump, and provides a scheme aiming at the problem that the existing water tank needs to be cleaned. According to the invention, the two cover plates are arranged at the top of the water tank, so that the cleaning efficiency is greatly improved, and the water pump is greatly prevented from being damaged due to water pollution caused by scale.
Description
Technical Field
The invention relates to the technical field of water ring vacuum pumps, in particular to a water ring vacuum pump.
Background
The water ring vacuum pump is a rough vacuum pump, is used as a self-priming water pump at first, and then is gradually used in various industrial departments such as petroleum, chemical industry, machinery, light industry, medicine and the like, and realizes air suction, compression and exhaust by the change of the volume of a pump cavity, and is a variable-volume vacuum pump. In many processes of industrial production, such as vacuum filtration, vacuum water diversion, vacuum feeding, vacuum evaporation, vacuum concentration, vacuum moisture regaining, vacuum degassing and the like, water ring pumps are widely used. Due to the rapid development of vacuum application technology, water ring pumps have been regarded as important in obtaining rough vacuum. Since the gas compression in the water ring pump is isothermal, flammable and explosive gases can be pumped out, and gases containing dust and water can be pumped out, so that the water ring pump is increasingly applied.
The patent with the application number of CN201921944204.5 discloses a novel powerful water ring vacuum pump, which comprises a water tank, a vacuumizing mechanism, an exhaust pipeline, a water replenishing pipeline, a water flow control mechanism and a supporting mechanism, wherein the vacuumizing mechanism comprises a water ring vacuum pump, the water tank and the water ring vacuum pump are placed on the supporting mechanism, the bottom surface of the water tank is higher than the bottom surface of the water ring vacuum pump, one end of the exhaust pipeline is connected with an exhaust outlet of the water ring vacuum pump, the other end of the exhaust pipeline penetrates through the top surface of the water tank and is communicated with the inside of the water tank, one end of the water replenishing pipeline penetrates through the bottom surface of the water tank and is connected with the inside of the water tank, the other end of the water replenishing pipeline penetrates through the side surface of the water ring vacuum pump and is communicated with the inside of the water; the motor and the water ring pump are coaxial, the structure is compact, and the vibration is small; water is used as a vacuumizing medium, so that the maintenance cost is low; the whole process is kept at normal temperature, and the pharmaceutical process is not influenced.
However, this patent is in long-time use, and the inside a large amount of incrustations scale that can deposit of water tank leads to the water pollution in the water tank, probably makes the water pump damage, but the entrance to a cave of this water tank is too narrow and small, and clean very hard, and inefficiency.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a water ring vacuum pump.
In order to achieve the purpose, the invention adopts the following technical scheme:
a water ring vacuum pump comprises a water tank, wherein the top of the water tank is of an open structure, a first rotating shaft is rotatably arranged on each of two sides of the top of the water tank, sliding blocks are fixedly arranged on the first rotating shaft, a first cover plate and a second cover plate are respectively slidably arranged on the two sliding blocks, the first cover plate and the second cover plate are matched with the water tank, sliding grooves are respectively formed in the bottoms of the first cover plate and the second cover plate and are matched with the sliding blocks, one end of a first spring is fixedly arranged on one side of each sliding block, the other end of the first spring is fixedly connected with the inner wall of one side of each sliding groove, a first cavity is formed in one end, close to the second cover plate, of the first cover plate, a first fixing hole is formed in the inner wall of one side, close to the second cover plate, of the first cavity, a first fixing rod is slidably arranged in the first fixing hole, one end of the first fixing rod extends into, the end of the first fixed rod extending to the outside of the first cover plate is fixedly connected with the end of the second cover plate close to the first cover plate.
Preferably, fixed mounting has the bracing piece on the top inner wall of first cavity, rotates on the bracing piece and installs the second pivot, and fixed mounting has the dwang in the second pivot, the fixed slot has been seted up at the top of first dead lever, and dwang and fixed slot looks adaptation.
Preferably, a first sliding hole is formed in the inner wall of one side, close to the second cover plate, of the top of the first cavity, a first sliding rod is slidably mounted in the first sliding hole, one end of the first sliding rod extends to the outside of the first cover plate, and the other end of the first sliding rod extends into the first cavity.
Preferably, the one end that the fixed slot was kept away from to one end that first slide bar extended to in the first cavity and dwang all rotates and installs the third pivot, and fixed mounting has the one end of connecting rod in the third pivot, and the other end of connecting rod rotates and installs the fourth pivot.
Preferably, a second sliding hole is formed in one side of the supporting rod, a second sliding rod is slidably mounted in the second sliding hole, two ends of the second sliding rod extend out of the second sliding hole, and the fourth rotating shaft is fixedly connected with one end of the second sliding rod.
Preferably, the exhaust hole has been seted up at the top of first apron, and slidable mounting has the blast pipe in the exhaust hole, and the one end of blast pipe extends to in the water tank, and outside the other end of blast pipe extended to first apron, the second cavity has all been seted up to the both sides in exhaust hole, and two second fixed orificess have all been seted up on the second cavity was close to one side inner wall of blast pipe, and slidable mounting has the second dead lever in the second fixed orifices, and the one end of second dead lever extends to in the second cavity, and the other end of second dead lever extends to outside the second cavity, the blast pipe, both sides all seted up flutedly, and the second dead lever extends to in the one end outside the second cavity extends to the recess.
Preferably, the second dead lever extends to the one end in the second cavity and rotates and install the fifth pivot, and fixed mounting has the one end of mount in the fifth pivot, and the other end of mount rotates and installs the sixth pivot, the third sliding hole has been seted up at the top of second cavity, and slidable mounting has the third slide bar in the third sliding hole, and the one end of third slide bar extends to in the second cavity, and outside the other end of third slide bar extended to first apron, the one end fixed mounting that the third slide bar extended to in the second cavity had the one end of second spring, fixed connection on the other end of second spring and the bottom inner wall of second cavity, and one side fixed connection of sixth pivot and third slide bar.
Preferably, the sides of the bottoms of the first cover plate and the second cover plate, which are far away from each other, are fixedly arranged on the weight.
Compared with the prior art, the invention has the beneficial effects that:
when the water ring vacuum pump needs to be cleaned, the third sliding rod is pressed at first, the third sliding rod drives the sixth rotating shaft, the sixth rotating shaft drives the fixing frame, the fixing frame drives the fifth rotating shaft, the fifth rotating shaft drives the second fixing rod, the second fixing rod is separated from the groove, then the first sliding rod is pulled, the first sliding rod drives the third rotating shaft, the third rotating shaft drives the connecting rod, the connecting rod drives the fourth rotating shaft, the fourth rotating shaft drives the other connecting rod and the third rotating shaft, the third rotating shaft drives the rotating rod, the rotating rod is separated from the fixing groove, and then the first cover plate and the second cover plate can be opened, so that the purpose of quick cleaning is achieved;
according to the invention, the two cover plates are arranged at the top of the water tank, so that the cleaning efficiency is greatly improved, and the water pump is greatly prevented from being damaged due to water pollution caused by scale.
Drawings
FIG. 1 is a schematic front structural view of a water ring vacuum pump according to the present invention;
FIG. 2 is a schematic side view of a first cover plate of the water ring vacuum pump according to the present invention;
FIG. 3 is a schematic structural diagram of part A of a water ring vacuum pump according to the present invention;
FIG. 4 is a schematic structural diagram of a part B of a water ring vacuum pump according to the present invention;
FIG. 5 is a schematic structural view of a part C of the water ring vacuum pump according to the present invention;
fig. 6 is a schematic perspective view of a water tank of the water ring vacuum pump according to the present invention.
In the figure: 1 water tank, 2 first rotating shaft, 3 sliding block, 4 first cover plate, 5 second cover plate, 6 sliding groove, 7 first spring, 8 first cavity, 9 first fixing hole, 10 first fixing rod, 11 fixing groove, 12 supporting rod, 13 second rotating shaft, 14 rotating rod, 15 first sliding hole, 16 first sliding rod, 17 third rotating shaft, 18 connecting rod, 19 fourth rotating shaft, 20 second sliding hole, 21 second sliding rod, 22 exhaust hole, 23 second cavity, 24 second fixing hole, 25 groove, 26 second fixing rod, 27 fifth rotating shaft, 28 fixing frame, 29 sixth rotating shaft, 30 third sliding hole, 31 third sliding rod, 32 second spring, 33 weight block, 34 exhaust pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-6, a water ring vacuum pump includes a water tank 1, the top of the water tank 1 is an open structure, two sides of the top of the water tank 1 are rotatably installed with a first rotating shaft 2, sliding blocks 3 are fixedly installed on the first rotating shaft 2, two sliding blocks 3 are respectively slidably installed with a first cover plate 4 and a second cover plate 5, the first cover plate 4 and the second cover plate 5 are adapted to the water tank 1, the bottoms of the first cover plate 4 and the second cover plate 5 are respectively provided with a sliding groove 6, the sliding groove 6 is adapted to the sliding block 3, one side of the sliding block 3 is fixedly installed with one end of a first spring 7, the other end of the first spring 7 is fixedly connected with the inner wall of one side of the sliding groove 6, one end of the first cover plate 4 close to the second cover plate 5 is provided with a first cavity 8, one inner wall of one side of the first cavity 8 close to the second cover plate 5 is provided with a first fixing hole 9, one end of the first fixing rod 10 extends into the first cavity 8, the other end of the first fixing rod 10 extends out of the first cover plate 4, one end of the first fixing rod 10, which extends out of the first cover plate 4, is fixedly connected with one end of the second cover plate 5, which is close to the first cover plate 4, and the first fixing rod 10 is used for fixing.
Example two
According to the invention, a supporting rod 12 is fixedly arranged on the inner wall of the top of the first cavity 8, a second rotating shaft 13 is rotatably arranged on the supporting rod 12, a rotating rod 14 is fixedly arranged on the second rotating shaft 13, a fixing groove 11 is formed in the top of the first fixing rod 10, the rotating rod 14 is matched with the fixing groove 11, and the fixing groove 11 is used for fixing.
In the invention, a first sliding hole 15 is formed in the inner wall of one side, close to the second cover plate 5, of the top of the first cavity 8, a first sliding rod 16 is installed in the first sliding hole 15 in a sliding mode, one end of the first sliding rod 16 extends out of the first cover plate 4, the other end of the first sliding rod 16 extends into the first cavity 8, and the first sliding hole 15 is used for sliding.
In the invention, a third rotating shaft 17 is rotatably mounted at one end of the first sliding rod 16 extending into the first cavity 8 and one end of the rotating rod 14 far away from the fixing groove 11, one end of a connecting rod 18 is fixedly mounted on the third rotating shaft 17, a fourth rotating shaft 19 is rotatably mounted at the other end of the connecting rod 18, and the connecting rod 18 is used for connection.
In the invention, one side of the support rod 12 is provided with a second sliding hole 20, a second sliding rod 21 is slidably mounted in the second sliding hole 20, two ends of the second sliding rod 21 extend out of the second sliding hole 20, and the fourth rotating shaft 19 is fixedly connected with one end of the second sliding rod 21.
According to the invention, the top of the first cover plate 4 is provided with the vent hole 22, the vent hole 22 is internally and slidably provided with the exhaust pipe 34, one end of the exhaust pipe 34 extends into the water tank 1, the other end of the exhaust pipe 34 extends out of the first cover plate 4, the two sides of the vent hole 22 are respectively provided with the second cavity 23, the inner wall of one side, close to the exhaust pipe 34, of the second cavity 23 is respectively provided with the two second fixing holes 24, the second fixing holes 24 are internally and slidably provided with the second fixing rod 26, one end of the second fixing rod 26 extends into the second cavity 23, the other end of the second fixing rod 26 extends out of the second cavity 23, the two sides of the exhaust pipe 34 are respectively provided with the groove 25, one end, extending out of the second cavity 23, of the second fixing rod 26 extends into.
In the invention, a fifth rotating shaft 27 is rotatably mounted at one end of a second fixing rod 26 extending into the second cavity 23, one end of a fixing frame 28 is fixedly mounted on the fifth rotating shaft 27, a sixth rotating shaft 29 is rotatably mounted at the other end of the fixing frame 28, a third sliding hole 30 is formed in the top of the second cavity 23, a third sliding rod 31 is slidably mounted in the third sliding hole 30, one end of the third sliding rod 31 extends into the second cavity 23, the other end of the third sliding rod 31 extends out of the first cover plate 4, one end of the third sliding rod 31 extending into the second cavity 23 is fixedly mounted with one end of a second spring 32, the other end of the second spring 32 is fixedly connected with the inner wall of the bottom of the second cavity 23, the sixth rotating shaft 29 is fixedly connected with one side of the third sliding rod 31, and the third sliding rod 31 is used for fixing.
In the invention, the sides of the bottoms of the first cover plate 4 and the second cover plate 5 which are far away from each other are fixedly arranged on the weight 33.
EXAMPLE III
A water ring vacuum pump comprises a water tank 1, wherein the top of the water tank 1 is of an open structure, two sides of the top of the water tank 1 are respectively rotatably provided with a first rotating shaft 2, sliding blocks 3 are fixedly welded on the first rotating shaft 2, the two sliding blocks 3 are respectively and slidably provided with a first cover plate 4 and a second cover plate 5, the first cover plate 4 and the second cover plate 5 are matched with the water tank 1, sliding grooves 6 are respectively chiseled at the bottoms of the first cover plate 4 and the second cover plate 5, the sliding grooves 6 are matched with the sliding blocks 3, one side of each sliding block 3 is fixedly welded with one end of a first spring 7, the other end of each first spring 7 is fixedly connected with the inner wall of one side of each sliding groove 6, one end of the first cover plate 4, close to the second cover plate 5, is chiseled with a first cavity 8, a first fixing hole 9 is chiseled on the inner wall of one side of the first cavity 8, close to the second cover plate 5, a first fixing rod 10 is slidably, the other end of the first fixing rod 10 extends to the outside of the first cover plate 4, and one end of the first fixing rod 10 extending to the outside of the first cover plate 4 is fixedly connected with one end of the second cover plate 5 close to the first cover plate 4.
In the invention, a support rod 12 is fixedly welded on the inner wall of the top of a first cavity 8, a second rotating shaft 13 is rotatably installed on the support rod 12, a rotating rod 14 is fixedly welded on the second rotating shaft 13, a fixing groove 11 is chiseled on the top of a first fixing rod 10, and the rotating rod 14 is matched with the fixing groove 11.
In the invention, a first sliding hole 15 is chiseled on the inner wall of one side of the top of the first cavity 8 close to the second cover plate 5, a first sliding rod 16 is slidably installed in the first sliding hole 15, one end of the first sliding rod 16 extends out of the first cover plate 4, and the other end of the first sliding rod 16 extends into the first cavity 8.
In the invention, a third rotating shaft 17 is rotatably mounted at one end of the first sliding rod 16 extending into the first cavity 8 and one end of the rotating rod 14 far away from the fixing groove 11, one end of a connecting rod 18 is fixedly welded on the third rotating shaft 17, and a fourth rotating shaft 19 is rotatably mounted at the other end of the connecting rod 18.
In the invention, a second sliding hole 20 is chiseled on one side of the support rod 12, a second sliding rod 21 is slidably mounted in the second sliding hole 20, both ends of the second sliding rod 21 extend out of the second sliding hole 20, and the fourth rotating shaft 19 is fixedly connected with one end of the second sliding rod 21.
According to the invention, the top of the first cover plate 4 is provided with the exhaust hole 22 in a chiseled mode, the exhaust pipe 34 is installed in the exhaust hole 22 in a sliding mode, one end of the exhaust pipe 34 extends into the water tank 1, the other end of the exhaust pipe 34 extends out of the first cover plate 4, the two sides of the exhaust hole 22 are respectively provided with the second cavity 23 in a chiseled mode, the inner wall of one side, close to the exhaust pipe 34, of the second cavity 23 is respectively provided with the two second fixing holes 24 in a chiseled mode, the second fixing rod 26 is installed in the second fixing holes 24 in a sliding mode, one end of the second fixing rod 26 extends into the second cavity 23, the other end of the second fixing rod 26 extends out of the second cavity 23, the two sides of the exhaust pipe 34 are respectively provided with the groove.
In the invention, a fifth rotating shaft 27 is rotatably mounted at one end of a second fixing rod 26 extending into the second cavity 23, one end of a fixing frame 28 is fixedly welded on the fifth rotating shaft 27, a sixth rotating shaft 29 is rotatably mounted at the other end of the fixing frame 28, a third sliding hole 30 is chiseled at the top of the second cavity 23, a third sliding rod 31 is slidably mounted in the third sliding hole 30, one end of the third sliding rod 31 extends into the second cavity 23, the other end of the third sliding rod 31 extends out of the first cover plate 4, one end of the third sliding rod 31 extending into the second cavity 23 is fixedly welded with one end of a second spring 32, the other end of the second spring 32 is fixedly connected with the inner wall of the bottom of the second cavity 23, and the sixth rotating shaft 29 is fixedly connected with one side of the third sliding rod 31.
In the invention, the sides of the bottoms of the first cover plate 4 and the second cover plate 5 which are far away from each other are fixedly welded with the weights 33.
In the invention, when the water ring vacuum pump needs to be cleaned, the third sliding rod 31 is firstly pressed, the third sliding rod 31 drives the sixth rotating shaft 29, the sixth rotating shaft 29 drives the fixing frame 28, the fixing frame 28 drives the fifth rotating shaft 27, the fifth rotating shaft 27 drives the second fixing rod 26, the second fixing rod 26 is separated from the groove 25, then the first sliding rod 16 is pulled, the first sliding rod 16 drives the third rotating shaft 17, the third rotating shaft 17 drives the connecting rod 18, the connecting rod 18 drives the fourth rotating shaft 19, the fourth rotating shaft 19 drives the other connecting rod 18 and the third rotating shaft 17, the third rotating shaft 17 drives the rotating rod 14, the rotating rod 14 is separated from the fixing groove 11, and then the first cover plate 4 and the second cover plate 5 can be opened, thereby achieving the purpose of quick cleaning.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A water ring vacuum pump comprises a water tank (1) and is characterized in that the top of the water tank (1) is of an open structure, a first rotating shaft (2) is rotatably arranged on two sides of the top of the water tank (1), sliding blocks (3) are fixedly arranged on the first rotating shaft (2), a first cover plate (4) and a second cover plate (5) are respectively slidably arranged on the two sliding blocks (3), the first cover plate (4) and the second cover plate (5) are matched with the water tank (1), sliding grooves (6) are respectively arranged at the bottoms of the first cover plate (4) and the second cover plate (5), the sliding grooves (6) are matched with the sliding blocks (3), one ends of first springs (7) are fixedly arranged on one side of the sliding blocks (3), the other ends of the first springs (7) are fixedly connected with the inner wall of one side of the sliding grooves (6), a first cavity (8) is arranged at one end, close to the second cover plate (5), of the first cover plate (4), first fixed orifices (9) have been seted up on first cavity (8) be close to one side inner wall of second apron (5), slidable mounting has first dead lever (10) in first fixed orifices (9), the one end of first dead lever (10) extends to in first cavity (8), the other end of first dead lever (10) extends to outside first apron (4), first dead lever (10) extend to the outer one end of first apron (4) and the one end fixed connection that second apron (5) are close to first apron (4).
2. The water ring vacuum pump as claimed in claim 1, wherein a support rod (12) is fixedly mounted on an inner wall of a top portion of the first cavity (8), a second rotating shaft (13) is rotatably mounted on the support rod (12), a rotating rod (14) is fixedly mounted on the second rotating shaft (13), a fixing groove (11) is formed in the top portion of the first fixing rod (10), and the rotating rod (14) is matched with the fixing groove (11).
3. The water ring vacuum pump as claimed in claim 1, wherein a first sliding hole (15) is formed in an inner wall of a top of the first cavity (8) on a side close to the second cover plate (5), a first sliding rod (16) is slidably mounted in the first sliding hole (15), one end of the first sliding rod (16) extends out of the first cover plate (4), and the other end of the first sliding rod (16) extends into the first cavity (8).
4. The water ring vacuum pump as claimed in claim 3, wherein the end of the first sliding rod (16) extending into the first cavity (8) and the end of the rotating rod (14) far away from the fixing groove (11) are both rotatably provided with a third rotating shaft (17), the third rotating shaft (17) is fixedly provided with one end of a connecting rod (18), and the other end of the connecting rod (18) is rotatably provided with a fourth rotating shaft (19).
5. The water ring vacuum pump as claimed in claim 2, wherein a second sliding hole (20) is formed in one side of the support rod (12), a second sliding rod (21) is slidably mounted in the second sliding hole (20), two ends of the second sliding rod (21) extend out of the second sliding hole (20), and the fourth rotating shaft (19) is fixedly connected with one end of the second sliding rod (21).
6. The water ring vacuum pump as claimed in claim 1, wherein the top of the first cover plate (4) is provided with an exhaust hole (22), an exhaust pipe (34) is slidably mounted in the exhaust hole (22), one end of the exhaust pipe (34) extends into the water tank (1), the other end of the exhaust pipe (34) extends out of the first cover plate (4), two sides of the exhaust hole (22) are respectively provided with a second cavity (23), the inner wall of one side of the second cavity (23) close to the exhaust pipe (34) is respectively provided with two second fixing holes (24), the second fixing holes (24) are slidably mounted with second fixing rods (26), one end of each second fixing rod (26) extends into the second cavity (23), the other end of each second fixing rod (26) extends out of the second cavity (23), two sides of the exhaust pipe (34) are respectively provided with a groove (25), and one end of the second fixing rod (26) extending out of the second cavity (23) extends into the groove (25).
7. The water ring vacuum pump as claimed in claim 6, wherein a fifth rotating shaft (27) is rotatably mounted at one end of the second fixing rod (26) extending into the second cavity (23), a fixing frame (28) is fixedly mounted at one end of the fifth rotating shaft (27), a sixth rotating shaft (29) is rotatably mounted at the other end of the fixing frame (28), a third sliding hole (30) is formed at the top of the second cavity (23), a third sliding rod (31) is slidably mounted in the third sliding hole (30), one end of the third sliding rod (31) extends into the second cavity (23), the other end of the third sliding rod (31) extends out of the first cover plate (4), one end of the third sliding rod (31) extending into the second cavity (23) is fixedly mounted at one end of a second spring (32), and the other end of the second spring (32) is fixedly connected with the inner wall of the bottom of the second cavity (23), and the sixth rotating shaft (29) is fixedly connected with one side of the third sliding rod (31).
8. The water ring vacuum pump as claimed in claim 1, characterized in that the sides of the first cover plate (4) and the second cover plate (5) facing away from each other are fixedly mounted on a weight (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011137008.4A CN112253454A (en) | 2020-10-22 | 2020-10-22 | Water ring vacuum pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011137008.4A CN112253454A (en) | 2020-10-22 | 2020-10-22 | Water ring vacuum pump |
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| CN112253454A true CN112253454A (en) | 2021-01-22 |
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| CN202011137008.4A Pending CN112253454A (en) | 2020-10-22 | 2020-10-22 | Water ring vacuum pump |
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Application publication date: 20210122 |