CN212615418U - Pressure-controllable fluid machine - Google Patents
Pressure-controllable fluid machine Download PDFInfo
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- CN212615418U CN212615418U CN202020960313.2U CN202020960313U CN212615418U CN 212615418 U CN212615418 U CN 212615418U CN 202020960313 U CN202020960313 U CN 202020960313U CN 212615418 U CN212615418 U CN 212615418U
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- threaded rod
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- fluid machine
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Abstract
The utility model discloses a controllable fluid machinery of pressure, spiral case including water pump motor and installation impeller, spiral case top intercommunication outlet pipe, the outlet pipe outside is provided with the water pressure detection table, the turn-on connection has the regulating box on the outlet pipe, install the screw rod through the bearing rotation between the table wall in the regulating box both sides, be provided with first threaded rod and second threaded rod on the screw rod, the first threaded rod outside is connected with first thread bush through screw thread transmission. The utility model discloses in, through corotation or reversal screw rod, according to the screw thread transmission principle, first thread bush and the synchronous opposite movement of second thread bush or relative motion, and then transfer big or transfer the interval between the both sides elasticity fender cloth down, realize that hydraulic accent is big or transfer down, simple structure, convenient operation detects the registration of table through observing water pressure, is convenient for adjust required water pressure size to realize hydraulic accurate regulation.
Description
Technical Field
The utility model relates to a fluid machinery technical field especially relates to a controllable fluid machinery of pressure.
Background
Fluid machines are machines that convert energy from fluid as a working medium, and include two major types, one is called prime movers, such as water turbines and steam turbines, which convert the energy of fluid into mechanical energy and output the power of the shaft, and the other is called working machines, such as pumps and compressors, which convert the mechanical energy into the energy of fluid and pressurize and deliver the fluid.
The water pump is a machine for conveying liquid or pressurizing liquid, it transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, it is mainly used for conveying liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, before the water pump is started, the pump and water inlet pipe are filled with water, after the water pump is operated, under the action of centrifugal force produced by high-speed rotation of impeller, the water in the impeller flow channel is thrown to the periphery, and pressed into volute, the inlet of impeller is formed into vacuum, the water in the water pool is sucked along water suction pipe under the external atmospheric pressure to supplement this space, then the sucked water is thrown out by the impeller and passed through volute and fed into water outlet pipe.
However, the water pressure at the water outlet pipe of the existing water pump is not easy to adjust, so that the water pump is not convenient to adjust to the required water pressure according to the actual production needs, and the actual use of the water pump is influenced, therefore, the water pump with adjustable pressure is lacked.
According to the prior art, when the flow is constant, the larger the pipe diameter is, the smaller the water pressure is, and the smaller the pipe diameter is, the larger the water pressure is.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the above problems, a pressure-controllable fluid machine is proposed.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a controllable fluid machinery of pressure, includes the spiral case of water pump motor and installation impeller, the output shaft of water pump motor runs through behind the spiral case and is connected with impeller transmission, spiral case top intercommunication outlet pipe, bottom intercommunication have the inlet tube, the outlet pipe outside is provided with the water pressure and detects the table, conduction connection has the regulating box on the outlet pipe, rotate through the bearing between the table wall in the regulating box both sides and install the screw rod, be provided with first threaded rod and second threaded rod on the screw rod, the first threaded rod outside is connected with first thread bush through screw transmission, the second threaded rod outside is connected with the second thread bush through screw transmission, the bottom of first thread bush and second thread bush respectively with the regulating box both sides in between the table wall fixedly connected with elasticity fender cloth.
As a further description of the above technical solution:
the thread directions of the first threaded rod and the second threaded rod are opposite.
As a further description of the above technical solution:
the external diameter of the first threaded rod is larger than that of the second threaded rod, and the internal diameter of the first threaded sleeve is larger than that of the second threaded sleeve.
As a further description of the above technical solution:
one end of the screw rod penetrates through the adjusting box, and a sealing ring is arranged at the penetrating position.
As a further description of the above technical solution:
the screw rod is provided with a rectangular rod outside the adjusting box, and a limiting plate capable of moving up and down is sleeved outside the rectangular rod.
As a further description of the above technical solution:
the adjusting box is characterized in that a supporting block is fixedly connected to the outer side of the adjusting box, an adjusting bolt penetrates through the supporting block, the penetrating position is in threaded transmission connection, and the bottom of the adjusting bolt is rotatably connected with the top of the limiting plate through a bearing.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, through corotation or reversal screw rod, according to the screw thread transmission principle, first thread bush and the synchronous opposite movement of second thread bush or relative motion, and then transfer big or transfer the interval between the both sides elasticity fender cloth down, realize that hydraulic accent is big or transfer down, simple structure, convenient operation detects the registration of table through observing water pressure, is convenient for adjust required water pressure size to realize hydraulic accurate regulation.
2. The utility model discloses in, through corotation or reversal adjusting bolt, according to the screw thread transmission principle, adjusting bolt makes progress or moves down for the supporting shoe, drives the limiting plate and keeps away from or be close to the motion of rectangle pole to whether the realization is restricted the rotation of screw rod, realize the fixed of interval size between the both sides elasticity fender cloth, the fixed water pressure of adjusting to.
Drawings
Fig. 1 shows a schematic front view provided according to an embodiment of the present invention;
fig. 2 shows a schematic diagram of an internal structure of a regulating box provided according to an embodiment of the present invention;
fig. 3 shows a schematic top view at a-a provided according to an embodiment of the present invention;
fig. 4 shows according to the utility model discloses the connection schematic diagram of limiting plate and rectangular rod that the embodiment provided.
Illustration of the drawings:
1. a water pump motor; 2. a volute; 3. an impeller; 4. a water outlet pipe; 5. a water pressure detection meter; 6. an adjusting box; 7. adjusting the bolt; 8. a support block; 9. a screw; 901. a rectangular bar; 902. a first threaded rod; 903. a second threaded rod; 10. a limiting plate; 11. a seal ring; 12. elastic blocking cloth; 13. a first threaded sleeve; 14. a second threaded sleeve.
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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a pressure-controllable fluid machine comprises a water pump motor 1 and a volute 2 provided with an impeller 3, wherein an output shaft of the water pump motor 1 penetrates through the volute 2 and then is in transmission connection with the impeller 3, the output shaft of the water pump motor 1 drives the impeller 3 to rotate, the top of the volute 2 is communicated with a water outlet pipe 4, the bottom of the volute is communicated with a water inlet pipe, water flows into the impeller 3 through the water inlet pipe, under the action of the impeller 3, the water flows out through the water outlet pipe 4, a water pressure detection meter 5 is arranged on the outer side of the water outlet pipe 4, the water pressure detection meter 5 can detect the water pressure adjusted by a regulating box 6, so that accurate water pressure regulation can be conveniently carried out according to actual production requirements, the water outlet pipe 4 is in conduction connection with the regulating box 6, a screw rod 9 is rotatably arranged between inner surface walls on two sides of the regulating box 6 through a bearing, a first threaded rod 902 and a, the screw thread turning directions of the first threaded rod 902 and the second threaded rod 903 are opposite, the outer side of the first threaded rod 902 is connected with a first threaded sleeve 13 through screw thread transmission, the outer side of the second threaded rod 903 is connected with a second threaded sleeve 14 through screw thread transmission, the first threaded sleeve 13 and the second threaded sleeve 14 can synchronously move or move oppositely, the opening and the closing of the elastic blocking cloths 12 on two sides and the adjustment of the interval between the elastic blocking cloths are convenient to realize, and further the adjustment of the water pressure flowing out through the water outlet pipe 4 are realized finally, according to the screw thread transmission principle, when the screw rod 9 rotates forwards, the first threaded sleeve 13 and the second threaded sleeve 14 synchronously move oppositely, the interval between the elastic blocking cloths 12 on two sides is increased, the water pressure is reduced, when the screw rod 9 rotates backwards, the first threaded sleeve 13 and the second threaded sleeve 14 synchronously move oppositely, the interval between the elastic blocking cloths 12 on two sides is reduced, and the water pressure is increased, the bottom of first thread bush 13 and second thread bush 14 respectively with adjust 6 both sides between the interior table wall fixedly connected with elasticity fender cloth 12, elasticity fender cloth 12 can prevent the rivers circulation, elasticity fender cloth 12 has certain elasticity, can take place elastic deformation along with the removal of first thread bush 13 and second thread bush 14, and do not influence its own quality, in addition, under the limiting action of elasticity fender cloth 12, first thread bush 13 and second thread bush 14 can not be along with screw rod 9 synchronous rotation, guarantee that they are only along screw rod 9 length direction horizontal migration.
Specifically, as shown in fig. 2 and 3, the outer diameter of the first threaded rod 902 is larger than the outer diameter of the second threaded rod 903, the inner diameter of the first threaded sleeve 13 is larger than the outer diameter of the second threaded sleeve 14, and the second threaded sleeve 14 can enter the first threaded sleeve 13, so that the elastic barrier cloths 12 on two sides are in close extrusion contact, and the purpose of water flow on-off is achieved.
Specifically, as shown in fig. 2, one end of the screw 9 penetrates through the adjusting box 6, and a sealing ring 11 is arranged at the penetrating position to prevent water from overflowing.
Specifically, as shown in fig. 2, a rectangular rod 901 is arranged on the screw 9 located outside the adjusting box 6, a limiting plate 10 capable of moving up and down is sleeved outside the rectangular rod 901, and the rotation of the screw 9 is limited by the matching relationship between the limiting plate 10 and the rectangular section of the rectangular rod 901.
Specifically, as shown in fig. 2 and fig. 3, a supporting block 8 is fixedly connected to the outer side of the adjusting box 6, the adjusting bolt 7 is supported, the adjusting bolt 7 penetrates through the supporting block 8, the penetrating position is connected through thread transmission, the bottom of the adjusting bolt 7 is rotatably connected with the top of the limiting plate 10 through a bearing, according to the thread transmission principle, the adjusting bolt 7 is rotated, according to the difference of the rotation direction, during forward rotation, the adjusting bolt 7 moves upwards relative to the supporting block 8, the limiting plate 10 is driven to be far away from the rectangular rod 901, the rotation limitation on the screw rod 9 is removed, during reverse rotation, the adjusting bolt 7 moves downwards relative to the supporting block 8, the limiting plate 10 is driven to be sleeved on the outer side of the rectangular rod 901, so as to limit the rotation of the screw rod 9, the size of the gap between the elastic.
The working principle is as follows: when the water pressure needs to be reduced during use, firstly, the screw rod 9 is rotated in the forward direction to drive the first threaded rod 902 and the second threaded rod 903 to rotate, according to the screw thread transmission principle, the first screw thread sleeve 13 and the second screw thread sleeve 14 synchronously and oppositely move to respectively drive the elastic baffle cloth 12 connected with the first screw thread sleeve to move towards the inner surface walls at the two sides of the adjusting box 6, the distance between the elastic baffle cloth 12 at the two sides is increased, thereby realizing the reduction of the water pressure, then, the reading of the water pressure detecting gauge 5 is observed, when the required water pressure is adjusted, the screw 9 is stopped to rotate, finally, the adjusting bolt 7 is reversely rotated, according to the thread transmission principle, the adjusting bolt 7 moves downwards relative to the supporting block 8 to drive the limiting plate 10 to move close to the screw rod 9 until the limiting plate is sleeved outside the rectangular rod 901 to limit the rotation of the screw rod 9, and the size of a gap between the elastic blocking cloths 12 on two fixed sides is fixed on two fixed sides so as to fix the adjusted water pressure; when the water pressure needs to be increased, firstly, the adjusting bolt 7 is rotated in the forward direction, according to the thread transmission principle, the adjusting bolt 7 moves upwards relative to the supporting block 8, the limiting plate 10 is driven to move away from the screw rod 9 until the rectangular rod 901 is separated, the rotation limitation on the screw rod 9 is removed, then, the screw rod 9 is rotated in the reverse direction, the first threaded rod 902 and the second threaded rod 903 are driven to rotate, according to the thread transmission principle, the first threaded sleeve 13 and the second threaded sleeve 14 synchronously move relative to each other, the elastic blocking cloth 12 connected with the first threaded sleeve are respectively driven to move towards the center of the adjusting box 6, the distance between the elastic blocking cloths 12 on the two sides is reduced, the water pressure is increased, then, the indication number of the water pressure detection meter 5 is observed, when the required water pressure is adjusted, the screw rod 9 stops rotating, and finally, the rotation of the screw rod 9 is.
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. A pressure-controllable fluid machine comprises a water pump motor (1) and a volute (2) provided with an impeller (3), wherein an output shaft of the water pump motor (1) penetrates through the volute (2) and then is in transmission connection with the impeller (3), the pressure-controllable fluid machine is characterized in that the top of the volute (2) is communicated with a water outlet pipe (4), the bottom of the volute is communicated with a water inlet pipe, a water pressure detection meter (5) is arranged on the outer side of the water outlet pipe (4), an adjusting box (6) is in conduction connection with the water outlet pipe (4), a screw rod (9) is installed between inner surface walls on two sides of the adjusting box (6) through rotation of a bearing, a first threaded rod (902) and a second threaded rod (903) are arranged on the screw rod (9), a first threaded sleeve (13) is connected to the outer side of the first threaded rod (902) through thread transmission, a second threaded sleeve, elastic blocking cloth (12) is fixedly connected between the bottoms of the first threaded sleeve (13) and the second threaded sleeve (14) and the inner surface walls of the two sides of the adjusting box (6) respectively.
2. A pressure controllable fluid machine as claimed in claim 1, characterised in that the thread directions of said first threaded rod (902) and said second threaded rod (903) are opposite.
3. A pressure controlled fluid machine as claimed in claim 1, characterised in that the first threaded rod (902) has an outer diameter greater than the outer diameter of the second threaded rod (903) and the first threaded sleeve (13) has an inner diameter greater than the outer diameter of the second threaded sleeve (14).
4. A pressure controlled fluid machine as claimed in claim 1, characterised in that the screw (9) has one end extending through the regulating box (6) and a sealing ring (11) disposed there through.
5. A pressure controllable fluid machine as claimed in claim 1, characterized in that a rectangular rod (901) is arranged on the screw (9) outside the adjusting box (6), and a limiting plate (10) capable of moving up and down is sleeved outside the rectangular rod (901).
6. The pressure-controllable fluid machine as claimed in claim 1, wherein a supporting block (8) is fixedly connected to the outer side of the adjusting box (6), an adjusting bolt (7) penetrates through the supporting block (8), the penetrating position is in threaded transmission connection, and the bottom of the adjusting bolt (7) is rotatably connected with the top of the limiting plate (10) through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020960313.2U CN212615418U (en) | 2020-05-30 | 2020-05-30 | Pressure-controllable fluid machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020960313.2U CN212615418U (en) | 2020-05-30 | 2020-05-30 | Pressure-controllable fluid machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212615418U true CN212615418U (en) | 2021-02-26 |
Family
ID=74749399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020960313.2U Expired - Fee Related CN212615418U (en) | 2020-05-30 | 2020-05-30 | Pressure-controllable fluid machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212615418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048067A (en) * | 2021-04-13 | 2021-06-29 | 许玉喜 | High stability magnetic centrifugal pump suitable for under high temperature high pressure operating mode |
-
2020
- 2020-05-30 CN CN202020960313.2U patent/CN212615418U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048067A (en) * | 2021-04-13 | 2021-06-29 | 许玉喜 | High stability magnetic centrifugal pump suitable for under high temperature high pressure operating mode |
| CN113048067B (en) * | 2021-04-13 | 2023-12-08 | 广东金力重工机械有限公司 | High-stability magnetic centrifugal pump suitable for high-temperature high-pressure working condition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 Termination date: 20210530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |