CN212869002U - Permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit - Google Patents
Permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit Download PDFInfo
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- CN212869002U CN212869002U CN202021488966.1U CN202021488966U CN212869002U CN 212869002 U CN212869002 U CN 212869002U CN 202021488966 U CN202021488966 U CN 202021488966U CN 212869002 U CN212869002 U CN 212869002U
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Abstract
The utility model discloses a permanent magnet synchronous motor constant-pressure non-negative pressure water supply unit, which comprises a bottom plate and a supporting and moving device, wherein the supporting and moving device is arranged at the lower end of the bottom plate, a fixed pump is arranged on the outer wall of the upper end of the bottom plate at the rear side of the fixed pump, a fixed tank is arranged on the outer wall of the upper end of the fixed tank, a connector is arranged on the outer wall of the upper end of the fixed tank, a control valve is arranged on the outer wall of the front end of the fixed pump, the supporting and moving device is additionally arranged at the lower end of the permanent magnet synchronous motor constant-pressure non-negative pressure water supply unit, a telescopic moving wheel is arranged in the supporting and moving device, when the water supply unit needs to be moved, the moving wheel is screwed out from the inside, the water supply unit can be conveniently pushed and moved by the moving wheel, when the water supply, make this novel permanent magnet synchronous motor constant pressure no negative pressure water supply unit use more convenient through supporting mobile device.
Description
Technical Field
The utility model belongs to the technical field of no negative pressure water supply unit is relevant, concretely relates to permanent magnet synchronous motor constant voltage does not have negative pressure water supply unit.
Background
The non-negative pressure water supply unit is also called a superposed water supply device, and is mainly used for secondary pressurization of urban pipe networks and high-rise buildings, is directly connected with municipal water supply pipe networks, and is serially superposed for water supply on the basis of the residual pressure of the municipal pipe networks to ensure that the pressure of the municipal pipe networks is not less than the set protection pressure (the set pressure is higher than the pressure requirement of a direct district supply area, generally not less than 1.2 Kg).
The existing permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit technology has the following problems: the negative pressure-free water supply unit is more in equipment, heavier in overall weight, inconvenient to move and use the negative pressure-free water supply unit when moving, and the movable wheels are directly additionally arranged to influence the fixation of the water supply unit.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a permanent magnet synchronous motor constant voltage does not have negative pressure water supply unit to solve the inconvenient problem of removing of the water supply unit that provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit comprises a bottom plate and a supporting and moving device, wherein the supporting and moving device is installed at the lower end of the bottom plate, a fixed pump is arranged on the outer wall of the upper end of the bottom plate on the rear side of the fixed pump, a connecting head is arranged on the outer wall of the upper end of the fixed tank, a control valve is arranged on the outer wall of the front end of the fixed pump, a poking sheet is arranged on the outer wall of the front end of the control valve, a connecting pipe is arranged on the outer wall of the upper end of the control valve, the supporting and moving device comprises a supporting sleeve, a bottom sleeve, a limiting column, a threaded sleeve, a connecting threaded groove, a limiting block, a moving wheel, a sliding groove and a connecting block, the supporting sleeve is arranged on the outer wall of the lower end of the bottom plate, the bottom sleeve is sleeved on the outer wall of the lower end of the supporting sleeve, the limiting column is arranged on the outer wall of, the threaded sleeve is arranged in the supporting sleeve, a connecting thread groove is formed in the outer wall of the front end of the threaded sleeve, the connecting block is arranged in the threaded sleeve, the sliding groove is arranged in the supporting sleeve, the limiting block is arranged in the sliding groove, one end of the limiting block penetrates through the connecting thread groove and is fixedly connected with the connecting block, the moving wheel is arranged on the outer wall of the lower end of the connecting block, and the fixed pump is electrically connected with the external power supply.
Preferably, the outer wall of the lower end of the threaded sleeve and the outer wall of the upper end of the bottom sleeve can be completely attached, and the threaded sleeve and the bottom sleeve are fixedly connected in a welding mode.
Preferably, the outer wall of the threaded sleeve is a smooth wall, and the outer wall of the threaded sleeve and the inner wall of the supporting sleeve can be completely attached.
Preferably, the number of the supporting and moving devices is four, and the four supporting and moving devices are respectively arranged on the outer wall of the lower end of the bottom plate close to the four corners.
Preferably, the outer wall of the rear end of the fixed pump is provided with an alignment pipe, and the fixed pump is fixedly connected with the fixed tank through the alignment pipe.
Preferably, the shape of the bottom sleeve is hexagonal prism, and the outer walls of the bottom sleeve are smooth walls.
Compared with the prior art, the utility model provides a PMSM constant voltage does not have negative pressure water supply unit possesses following beneficial effect:
the utility model adds a supporting and moving device at the lower end of a permanent magnet synchronous motor constant-pressure non-negative pressure water supply unit, a telescopic moving wheel is arranged in the supporting and moving device, when in use, the moving wheel is twisted out from the inside, the water supply unit can be conveniently pushed and moved by the moving wheel, when in no need of movement, the moving wheel can be retracted into the supporting and moving device, the normal fixed use of the water supply unit can not be influenced, when in use, a limit column is taken out from the inside of a bottom sleeve, a bottom plate is lifted up by an external support frame, the bottom sleeve is rotated, a connecting block is driven to descend by a connecting screw groove, so that the moving wheel passes through the bottom sleeve to be exposed, then the limit column is inserted into the position of the fixed moving wheel in the bottom sleeve to be used movably, the limit column is taken out to rotate the bottom sleeve after moving to a designated place, the moving wheel is rotated back to the inside of the, can remove the use to the water supply unit very conveniently, and can not lead to the fact the influence to the normal use of water supply unit, make this novel PMSM constant voltage no negative pressure water supply unit use more convenient through supporting mobile device.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic view of a positive structure of a permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit provided by the utility model;
fig. 2 is a schematic structural view of a supporting and moving device according to the present invention;
fig. 3 is a schematic view of the front internal structure of the supporting and moving device according to the present invention;
fig. 4 is a schematic view of a front cross-sectional structure of a supporting and moving device according to the present invention;
in the figure: 1. fixing the tank; 2. a connector; 3. a connecting pipe; 4. fixing the pump; 5. a control valve; 6. a shifting sheet; 7. a base plate; 8. supporting the mobile device; 9. a support sleeve; 10. a bottom cover; 11. a limiting column; 12. a threaded sleeve; 13. connecting the screw groove; 14. a limiting block; 15. a moving wheel; 16. a chute; 17. and (4) connecting the blocks.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit comprises a bottom plate 7 and supporting and moving devices 8, wherein the lower end of the bottom plate 7 is provided with the supporting and moving devices 8, the number of the supporting and moving devices 8 is four, the four supporting and moving devices 8 are respectively arranged on the outer wall of the lower end of the bottom plate 7 close to the four corners, the supporting effect of a plurality of supporting and moving devices 8 is more stable, each supporting and moving device 8 shares less weight, a fixed pump 4 is arranged on the outer wall of the upper end of the bottom plate 7, the outer wall of the upper end of the bottom plate 7 at the rear side of the fixed pump 4 is provided with a fixed tank 1, an alignment pipe is arranged on the outer wall of the rear end of the fixed pump 4, the fixed pump 4 is fixedly connected with the fixed tank 1 through the alignment pipe, so that the water supply in the fixed tank 1 can be controlled through the fixed pump 4, the outer wall of the upper end, the outer wall of the front end of the control valve 5 is provided with a shifting sheet 6, and the outer wall of the upper end of the control valve 5 is provided with a connecting pipe 3.
A permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit comprises a supporting sleeve 9, a bottom sleeve 10, a limiting column 11, a threaded sleeve 12, a connecting threaded groove 13, a limiting block 14, a moving wheel 15, a sliding groove 16 and a connecting block 17, wherein the supporting sleeve 9 is arranged on the outer wall of the lower end of a bottom plate 7, the bottom sleeve 10 is sleeved on the outer portion of the lower end of the supporting sleeve 9, the bottom sleeve 10 is hexagonal prism-shaped, the outer wall of the bottom sleeve 10 is smooth wall, the bottom sleeve 10 of the hexagonal prism can better clamp and rotate through a clamping device to prevent the relative sliding problem, the limiting column 11 is arranged on the outer wall of the front end of the bottom sleeve 10, the outer wall of the rear end of the limiting column 11 penetrates through the supporting sleeve 9 and is arranged inside the supporting sleeve 9, the threaded sleeve 12 is arranged inside the supporting sleeve 9, the outer wall of the threaded sleeve 12 is smooth wall, and the outer wall of the threaded sleeve 12 can be completely attached to the inner wall, like this thread bush 12 can not produce great frictional force with the inner wall that supports cover 9 when rotating, the influence rotates the use, the lower extreme outer wall of thread bush 12 and the upper end outer wall of end cover 10 can laminate completely, thread bush 12 and end cover 10 are through welded mode fixed connection, thread bush 12 can rotate together along with the rotation of end cover 10 like this, be provided with on the front end outer wall of thread bush 12 and connect thread groove 13, connecting block 17 sets up the inside at thread bush 12, spout 16 sets up the inside at support cover 9, stopper 14 sets up the inside at spout 16, the one end of stopper 14 is passed and is connected thread groove 13 and connecting block 17 fixed connection, remove wheel 15 and set up on the lower extreme outer wall of connecting block 17, fixed pump 4 is through external power source electric connection.
The utility model discloses a theory of operation and use flow: after the utility model is installed, the working principle of the permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit is that when the water consumption of a user is increased, the pressure at the joint of a municipal pipe network and a fixed tank 1 is reduced, when the pressure is reduced to be below 0 relative pressure, negative pressure is formed in the fixed tank 1, an air inlet valve of a vacuum suppressor is opened, and air enters the fixed tank 1, at the moment, the fixed tank 1 is equivalent to an open water tank with free liquid level, the pressure is the same as the air, the negative pressure is eliminated, when the water level is reduced to a set value, a liquid level controller transmits a control signal to a control system in a variable-frequency control cabinet, the pressurizing unit is controlled to stop working, and the user stops; when the water consumption of a user is reduced, the water level in the fixed tank 1 rises, gas is exhausted from an exhaust valve of the vacuum suppressor, after the pressure recovers to be normal, the pressurizing unit is automatically started again to recover water supply, when the water supply unit is moved, the limiting column 11 is taken out from the inside of the bottom sleeve 10, the bottom plate 7 is lifted up through the external support frame, the bottom sleeve 10 is rotated, the connecting block 17 is driven to descend through the connecting screw groove 13, the moving wheel 15 penetrates through the bottom sleeve 10 to be exposed, then the limiting column 11 is inserted into the position of the fixed moving wheel 15 at the inside of the bottom sleeve 10 to be moved for use, the limiting column 11 is taken out after the water supply unit is moved to a specified place to rotate the bottom sleeve 10, and the moving wheel 15 is rotated back.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a permanent magnet synchronous motor constant pressure does not have negative pressure water supply unit, includes bottom plate (7) and supports mobile device (8), its characterized in that: the support and moving device is characterized in that a support and moving device (8) is installed at the lower end of the bottom plate (7), a fixed pump (4) is arranged on the outer wall of the upper end of the bottom plate (7), the fixed tank (1) is arranged on the outer wall of the upper end of the bottom plate (7) at the rear side of the fixed pump (4), a connector (2) is arranged on the outer wall of the upper end of the fixed tank (1), a control valve (5) is arranged on the outer wall of the front end of the fixed pump (4), a shifting sheet (6) is arranged on the outer wall of the front end of the control valve (5), a connecting pipe (3) is arranged on the outer wall of the upper end of the control valve (5), the support and moving device (8) comprises a support sleeve (9), a bottom sleeve (10), a limit column (11), a threaded sleeve (12), a connecting threaded groove (13), a limit block (14), a moving wheel (15), a sliding groove (16), the bottom sleeve (10) is sleeved outside the lower end of the support sleeve (9), the limit column (11) is arranged on the outer wall of the front end of the bottom sleeve (10), the outer wall of the rear end of the limiting column (11) penetrates through the support sleeve (9) and is arranged in the support sleeve (9), the threaded sleeve (12) is arranged inside the support sleeve (9), a connecting thread groove (13) is arranged on the outer wall of the front end of the threaded sleeve (12), the connecting block (17) is arranged inside the threaded sleeve (12), the sliding groove (16) is arranged inside the supporting sleeve (9), the limiting block (14) is arranged inside the sliding groove (16), one end of the limiting block (14) penetrates through the connecting screw groove (13) and is fixedly connected with the connecting block (17), the movable wheel (15) is arranged on the outer wall of the lower end of the connecting block (17), and the fixed pump (4) is electrically connected through an external power supply.
2. The permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit according to claim 1, characterized in that: the outer wall of the lower end of the threaded sleeve (12) and the outer wall of the upper end of the bottom sleeve (10) can be completely attached, and the threaded sleeve (12) and the bottom sleeve (10) are fixedly connected in a welding mode.
3. The permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit according to claim 1, characterized in that: the outer wall of the threaded sleeve (12) is smooth, and the outer wall of the threaded sleeve (12) and the inner wall of the support sleeve (9) can be completely attached.
4. The permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit according to claim 1, characterized in that: the number of the supporting and moving devices (8) is four, and the four supporting and moving devices (8) are respectively arranged on the outer wall of the lower end of the bottom plate (7) close to the four corners.
5. The permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit according to claim 1, characterized in that: the fixed pump is characterized in that an alignment pipe is arranged on the outer wall of the rear end of the fixed pump (4), and the fixed pump (4) is fixedly connected with the fixed tank (1) through the alignment pipe.
6. The permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit according to claim 1, characterized in that: the shape of the bottom sleeve (10) is a hexagonal prism, and the outer walls of the bottom sleeve (10) are smooth walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021488966.1U CN212869002U (en) | 2020-07-25 | 2020-07-25 | Permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021488966.1U CN212869002U (en) | 2020-07-25 | 2020-07-25 | Permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212869002U true CN212869002U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021488966.1U Active CN212869002U (en) | 2020-07-25 | 2020-07-25 | Permanent magnet synchronous motor constant-pressure non-negative-pressure water supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212869002U (en) |
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2020
- 2020-07-25 CN CN202021488966.1U patent/CN212869002U/en active Active
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