CN214145927U - Operation stabilizing mechanism for single-stage centrifugal pump and single-stage centrifugal pump - Google Patents
Operation stabilizing mechanism for single-stage centrifugal pump and single-stage centrifugal pump Download PDFInfo
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- CN214145927U CN214145927U CN202023006215.4U CN202023006215U CN214145927U CN 214145927 U CN214145927 U CN 214145927U CN 202023006215 U CN202023006215 U CN 202023006215U CN 214145927 U CN214145927 U CN 214145927U
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Abstract
The utility model belongs to the technical field of the centrifugal pump technique and specifically relates to a move stabilizing mean and single-stage centrifugal pump for single-stage centrifugal pump, including driving motor, the control unit, the pump body and impeller, be equipped with the front end housing on the pump body, be equipped with water inlet and delivery port on the front end housing, the inner wall of front end housing is equipped with fan-shaped spacing groove, fan-shaped spacing inslot is equipped with self-closing device, be equipped with the through-hole on the self-closing device, be equipped with the pawl dish on the self-closing device, the one end of driving motor's drive shaft is equipped with the ratchet, ratchet and pawl dish phase-match, be equipped with the spring groove between the rotation connected node of drive shaft and ratchet, the spring inslot is equipped with the energy storage spring, the both ends of energy storage spring respectively with drive shaft and ratchet fixed connection. The utility model discloses can realize the pump body self-closing, preserve the liquid in the pump body, need not to add water to the pump body when restarting the centrifugal pump, improve the facility and the operating stability of use.
Description
Technical Field
The utility model relates to a centrifugal pump technical field especially relates to an operation stabilizing mean and single-stage centrifugal pump for single-stage centrifugal pump.
Background
Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. Before the water pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, a pump shaft drives an impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller and flows into a water pressing pipeline of the water pump through a flow channel of a volute-shaped pump shell, the pump shell and the water suction pipe are filled with water in the operation of the existing centrifugal pump, and the stability is low when the existing centrifugal pump is operated when water is not in an inner cavity.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the existing centrifugal pump in the prior art needs to make the pump case and the suction pipe be filled with water, and the stability when no water is in the inner chamber is lower, and the provided operation stabilizing mechanism for the single-stage centrifugal pump and the single-stage centrifugal pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the design is a running stabilizing mechanism for a single-stage centrifugal pump, which comprises a driving motor, a control unit, a pump body and an impeller, wherein a front end cover is fixedly arranged on one side of the pump body, a water inlet and a water outlet are formed in the front end cover, a fan-shaped limiting groove is formed in the inner wall of the front end cover, a self-closing device is rotatably connected in the fan-shaped limiting groove through a bearing structure, a through hole matched with the water inlet and the water outlet is formed in the self-closing device, a pawl disc is fixedly arranged on one side of the self-closing device, one end of a driving shaft of the driving motor penetrates through the impeller and is rotatably connected with a ratchet wheel through the bearing structure, the ratchet wheel is matched with the pawl disc, a spring groove is formed between the rotating connection node of the driving shaft and the ratchet wheel, an energy storage.
Preferably, the control unit is a circuit board with a single chip microcomputer as a core, and the driving motor is electrically connected with the control unit through a lead.
Preferably, the self-closing device is of a fan-shaped structure with a folded edge, and the fan-shaped area of the self-closing device is two thirds of that of the fan-shaped limiting groove.
Preferably, the self-closing device is provided with a closed plug matched with the water inlet and the water outlet, the wall of the fan-shaped limiting groove is provided with a sliding groove matched with the closed plug, and the sliding groove is of an arc sliding groove structure.
Preferably, a torsion spring is arranged in a bearing structure of the self-closing device connected with the fan-shaped limiting groove, the torsion spring has elasticity for driving the through hole to be closed with the water inlet and the water outlet, and the elasticity of the energy storage spring is larger than that of the torsion spring.
A single-stage centrifugal pump comprising the running stabilizing mechanism for a single-stage centrifugal pump of any one of the above.
The utility model provides a move stabilizing mean and single-stage centrifugal pump for single-stage centrifugal pump, beneficial effect lies in: when the utility model is used, the driving motor is utilized to drive the impeller to rotate, the energy storage spring connected with the driving shaft is enabled to rotate to store force, and the ratchet wheel is driven to rotate at the same time, because of the structural design of the pawl disc, the pawl disc does not rotate at the moment, so that the through hole on the self-closing device can be kept opposite to the water inlet and the water outlet respectively to carry out normal water pumping work, when the driving motor stops running, the driving shaft is static, at the moment, the elastic potential energy of the energy storage spring is released to drive the ratchet wheel to run along the reverse direction of the static running of the driving shaft, at the moment, the ratchet wheel is meshed with the pawl disc, and then the self-closing device is driven to rotate along the fan-shaped limiting groove, so that the sealing plug is closed to the water inlet and the water outlet, the self-closing of the pump body is realized, the liquid in the pump body is stored, water does not need to be added into the pump body when the centrifugal pump is started again, and the use convenience and the operation stability are improved.
Drawings
Fig. 1 is a schematic structural diagram of an operation stabilizing mechanism for a single-stage centrifugal pump and the single-stage centrifugal pump provided by the present invention;
fig. 2 is a schematic sectional structure view of an operation stabilizing mechanism for a single-stage centrifugal pump and the single-stage centrifugal pump according to the present invention;
fig. 3 is an exploded schematic view of an operation stabilizing mechanism for a single-stage centrifugal pump and the single-stage centrifugal pump according to the present invention;
fig. 4 is a schematic structural view of a front end cover according to the present invention;
FIG. 5 is a schematic view of the explosion structure of the self-closing device of the present invention;
fig. 6 is an exploded view of the ratchet plate and the ratchet wheel according to the present invention.
In the figure: the device comprises a driving motor 1, a control unit 2, a pump body 3, an impeller 31, a driving shaft 32, a front end cover 4, a water inlet 41, a water outlet 42, a sliding chute 43, a fan-shaped limiting groove 44, a self-closing device 5, a pawl disc 51, a ratchet wheel 52, an energy storage spring 521, a spring groove 522, a through hole 53 and a sealing plug 54.
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.
Referring to fig. 1-6, an operation stabilizing mechanism for a single-stage centrifugal pump and the single-stage centrifugal pump include a driving motor 1, a control unit 2, a pump body 3 and an impeller 31, wherein the control unit 2 is a circuit board with a single chip microcomputer as a core, and the driving motor 1 is electrically connected with the control unit 2 through a lead.
One side of the pump body 3 is fixedly provided with a front end cover 4, the front end cover 4 is provided with a water inlet 41 and a water outlet 42, the inner wall of the front end cover 4 is provided with a fan-shaped limit groove 44, the fan-shaped limit groove 44 is internally rotatably connected with a self-closing device 5 through a bearing structure, the self-closing device 5 is of a fan-shaped structure with a folded edge, the fan-shaped area of the self-closing device 5 is two thirds of the fan-shaped area of the fan-shaped limit groove 44, the self-closing device 5 is provided with a closed plug 54 matched with the water inlet 41 and the water outlet 42, the groove wall of the fan-shaped limit groove 44 is provided with a sliding groove 43 matched with the closed plug 54, and the sliding groove 43 is of an arc-shaped sliding groove structure.
The self-closing device 5 is provided with a through hole 53 matched with the water inlet 41 and the water outlet 42, one side of the self-closing device 5 is fixedly provided with a pawl disc 51, one end of a driving shaft 32 of the driving motor 1 penetrates through the impeller 31 and is rotatably connected with a ratchet wheel 52 through a bearing structure, the ratchet wheel 52 is matched with the pawl disc 51, a spring groove 522 is arranged between the rotating connection nodes of the driving shaft 32 and the ratchet wheel 52, an energy storage spring 521 is arranged in the spring groove 522, two ends of the energy storage spring 521 are respectively fixedly connected with the driving shaft 32 and the ratchet wheel 52, a torsion spring is arranged in the bearing structure of the self-closing device 5 connected with the fan-shaped limiting groove 44, the torsion spring has elasticity for driving the through hole 53 to be matched with the water inlet 41 and the water outlet 42, and the elasticity of the energy storage spring 521 is greater than that of the torsion spring.
The utility model discloses in use, when utilizing driving motor 1 to drive impeller 31 rotatory, make the energy storage spring 521 that connects on drive shaft 32 rotate and accumulate power, drive ratchet 52 rotatory simultaneously, because the structural design of pawl dish 51, pawl dish 51 is not rotatory this moment, and then can keep the through-hole 53 on the self-imposed device 5 respectively with water inlet 41, delivery port 42 relative, carry out normal pumping work, when driving motor 1 stops the operation, drive shaft 32 is static, the elastic potential energy of energy storage spring 521 is released this moment, drive ratchet 52 along the opposite direction operation of drive shaft 32 static operation, ratchet 52 and pawl dish 51 interlock this moment, and then drive self-imposed device 5 along fan-shaped spacing groove 44 rotation, make sealed 54 and water inlet 41, delivery port 42 involution, realize the pump body 3 self-imposed, preserve the liquid in the pump body 3, need not to add water to the pump body when starting the centrifugal pump once more, the convenience of use and the running stability are improved.
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 running stabilizing mechanism for a single-stage centrifugal pump comprises a driving motor (1), a control unit (2), a pump body (3) and an impeller (31), and is characterized in that a front end cover (4) is fixedly arranged on one side of the pump body (3), a water inlet (41) and a water outlet (42) are arranged on the front end cover (4), a fan-shaped limiting groove (44) is arranged on the inner wall of the front end cover (4), a self-closing device (5) is rotatably connected and arranged in the fan-shaped limiting groove (44) through a bearing structure, a through hole (53) matched with the water inlet (41) and the water outlet (42) is arranged on the self-closing device (5), a pawl disc (51) is fixedly arranged on one side of the self-closing device (5), one end of a driving shaft (32) of the driving motor (1) penetrates through the impeller (31) and is rotatably connected and provided with a ratchet wheel (52) through the bearing structure, the ratchet wheel (52) is matched with the ratchet disc (51), a spring groove (522) is formed between the rotation connecting nodes of the driving shaft (32) and the ratchet wheel (52), an energy storage spring (521) is arranged in the spring groove (522), and two ends of the energy storage spring (521) are fixedly connected with the driving shaft (32) and the ratchet wheel (52) respectively.
2. The operation stabilizing mechanism for the single-stage centrifugal pump according to claim 1, wherein the control unit (2) is a circuit board with a single chip microcomputer as a core, and the driving motor (1) is electrically connected with the control unit (2) through a lead.
3. An operation stabilizing mechanism for a single stage centrifugal pump according to claim 1 characterized in that the self closing means (5) is a fan shaped structure with a flange, the fan shaped area of the self closing means (5) is two thirds of the fan shaped area of the fan shaped limiting groove (44).
4. The operation stabilizing mechanism for the single-stage centrifugal pump according to claim 1, wherein the self-closing device (5) is provided with a sealing block (54) matched with the water inlet (41) and the water outlet (42), the wall of the fan-shaped limiting groove (44) is provided with a sliding groove (43) matched with the sealing block (54), and the sliding groove (43) is of an arc-shaped sliding groove structure.
5. The operation stabilizing mechanism for the single-stage centrifugal pump according to claim 1 is characterized in that a torsion spring is arranged in a bearing structure of the self-closing device (5) connected with the fan-shaped limiting groove (44), the torsion spring has an elastic force for driving the through hole (53) to be matched with the water inlet (41) and the water outlet (42), and the elastic force of the energy storage spring (521) is greater than that of the torsion spring.
6. A single-stage centrifugal pump, characterized in that it comprises an operation stabilizing mechanism for a single-stage centrifugal pump as recited in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023006215.4U CN214145927U (en) | 2020-12-14 | 2020-12-14 | Operation stabilizing mechanism for single-stage centrifugal pump and single-stage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023006215.4U CN214145927U (en) | 2020-12-14 | 2020-12-14 | Operation stabilizing mechanism for single-stage centrifugal pump and single-stage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214145927U true CN214145927U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023006215.4U Active CN214145927U (en) | 2020-12-14 | 2020-12-14 | Operation stabilizing mechanism for single-stage centrifugal pump and single-stage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214145927U (en) |
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2020
- 2020-12-14 CN CN202023006215.4U patent/CN214145927U/en active Active
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