CN212959063U - Water pump operation protection device - Google Patents
Water pump operation protection device Download PDFInfo
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- CN212959063U CN212959063U CN202021607070.0U CN202021607070U CN212959063U CN 212959063 U CN212959063 U CN 212959063U CN 202021607070 U CN202021607070 U CN 202021607070U CN 212959063 U CN212959063 U CN 212959063U
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- water pump
- water inlet
- power supply
- water
- inlet pipe
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Abstract
The utility model discloses a water pump operation protection device, which comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe is connected with an external water source, the water outlet pipe is connected with a water inlet of the water pump, the water inlet pipe and the water outlet pipe are connected in an L shape, the end part of the water inlet pipe is provided with a round hole, a screw post is screwed in the round hole, the left end of the screw post is provided with a telescopic sleeve, the left end of the telescopic sleeve is hermetically provided with a hydraulic plate, the telescopic sleeve and the hydraulic plate are positioned in the water inlet pipe, the right end of the screw post is provided with a screwing post, the left end surface of the screwing post is tightly attached to the right end surface of the water inlet pipe, the right end surface of the screwing post is provided with a power supply connection box, the outer part of the power supply connection box is provided with two power supply interfaces, the inner part of the power supply connection box is provided with a first connection, the device has the advantages of pure mechanical structure, high reliability, simple structure, and low production cost and maintenance cost.
Description
Technical Field
The utility model relates to a water pump protection technical field specifically is a water pump operation protection device.
Background
The water pump is the electromechanical device that people daily production, life often need, in the water pump working process, if draw water and be about to finish, but under the condition that does not stop the water pump work again, the water pump coil generates heat and can't distribute away through water, just this moment burns out the water pump easily, prior art has various measures to solve the problem of water pump dry combustion method, ordinary temperature controller has protected the water pump out of work when the water pump dry combustion method, but after the temperature drops down, the temperature controller contact has switched on again, the water pump begins work again, thereby continue dry combustion method again, prevent dry combustion method thoroughly, the reliability is poor, this kind of prevent dry combustion method temperature controller structure is complicated simultaneously, and is with high costs.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a water pump operation protection device, adopt and judge whether dry combustion method of water pump is held to intaking to the mode of water pressure monitoring, can the disconnection power supply connection when the water pump dry combustion method, pure mechanical structure, the reliability is high, simple structure, and manufacturing cost and maintenance cost are lower, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a water pump operation protection device comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe is connected with an external water source, the water outlet pipe is connected with a water inlet of a water pump, the water inlet pipe and the water outlet pipe are connected in an L shape, a round hole is formed in the end part of the water inlet pipe, a screwing column is screwed in the round hole, a telescopic sleeve is arranged at the left end of the screwing column, a hydraulic plate is arranged at the left end of the telescopic sleeve in a sealing manner, the telescopic sleeve and the hydraulic plate are positioned in the water inlet pipe, a screwing column is arranged at the right end of the screwing column, the left end face of the screwing column is tightly attached to the right end face of the water inlet pipe, a power supply connection box is arranged at the right end face of the screwing column, two power supply interfaces are arranged outside the power supply connection box, a first connection reed and a second connection reed are arranged inside the power supply connection box, the left end of the push rod is located in the telescopic sleeve and connected with the hydraulic plate, the left end of the push rod is sleeved with the first spring, the right end of the push rod is located in the power supply connecting box, the right end portion of the push rod is provided with the compression plate, and the right end of the power supply connecting box is provided with the initial starting hole.
As an optimized technical scheme of the utility model, the suppression has the knurling pattern on the post of screwing.
As a preferred technical scheme of the utility model, be provided with the supporting pad in the power connection box on the lateral wall corresponding with the oppression plate position.
As a preferred technical scheme of the utility model, the centre gripping has the sealing washer between the left end face of the post of screwing and the right-hand member face of inlet tube.
As an optimal technical solution of the present invention, the end portions of the first connection spring and the second connection spring are provided with protruding connection contacts.
As an optimized technical scheme of the utility model, the tip of first connection reed is provided with the second spring, and the other end of second spring is fixed inside the power connection box.
Compared with the prior art, the beneficial effects of the utility model are that: this water pump operation protection device adopts and judges whether dry combustion method of water pump to the mode of intaking end water pressure monitoring, can break off power supply connection when the water pump dry combustion method, and pure mechanical structure, the reliability is high, simple structure, and manufacturing cost and maintenance cost are lower.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the three-dimensional structure of the present invention.
In the figure: the water-saving device comprises a water inlet pipe 1, a water outlet pipe 2, a telescopic sleeve 3, a screw connection column 4, a screwing column 5, a power connection box 6, a power interface 7, a hydraulic plate 8, a push rod 9, a first spring 10, a compression plate 11, a first connection reed 12, a second connection reed 13, a connection contact 14, a support pad 15, a second spring 16, a sealing ring 17 and an initial starting hole 18.
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. 1-2, the present invention provides a technical solution: a water pump operation protection device comprises a water inlet pipe 1 and a water outlet pipe 2, the water inlet pipe 1 is connected with an external water source, the water outlet pipe 2 is connected with a water inlet of a water pump, the water inlet pipe 1 and the water outlet pipe 2 are connected in an L shape, a round hole is formed in the end portion of the water inlet pipe 1, a screwing column 4 is screwed in the round hole, a telescopic sleeve 3 is arranged at the left end of the screwing column 4, a hydraulic plate 8 is arranged at the left end of the telescopic sleeve 3 in a sealing mode, the telescopic sleeve 3 and the hydraulic plate 8 are located in the water inlet pipe 1, a screwing column 5 is arranged at the right end of the screwing column 4, knurling patterns are pressed on the screwing column 5, the screwing column 4 is convenient to screw in, the left end face of the screwing column 5 is tightly attached to the right end face of the water inlet pipe 1, a sealing ring 17 is clamped between the left end face of the screwing column 5 and the right end face, the water pump is connected with an external power supply through a power supply connection box 6, a first connection reed 12 and a second connection reed 13 are arranged inside the power supply connection box 6, the first connection reed 12 and the second connection reed 13 are parallel to each other and are respectively electrically connected with two power interfaces 7, the end parts of the first connection reed 12 and the second connection reed 13 are provided with a convex connection contact 14 to improve the connection effect, the end part of the first connection reed 12 is provided with a second spring 16, the other end of the second spring 16 is fixed inside the power supply connection box 6, a push rod 9 is slidably arranged at the center of a screwing column 4, the left end of the push rod 9 is positioned in a telescopic sleeve 3 and is connected with a hydraulic plate 8, the left end of the push rod 9 is sleeved with a first spring 10, the right end of the push rod 9 is positioned in the power supply connection box 6, the right end part of the push rod 9 is provided with a compression plate 11, a supporting pad 15 is arranged on the side wall corresponding to, the right end of the power connection box 6 is provided with an initial starting aperture 18.
When in use: the water pump is electrically connected with an external power supply through the power supply connection box 6, when no water flow exists in the water inlet pipe 1, the hydraulic plate 8 is not subjected to liquid pressure, the first connection reed 12 is separated from the second connection reed 13, the power supply connection box 6 is in a power-off state, the second connection reed 13 is pushed against the first connection reed 12 from the initial starting hole 18 by an insulation object to enable the first connection reed and the second connection reed to be contacted, the power supply connection box 6 is in a power-on state, the water pump can be started, after the water pump is started, high-pressure water flow flows in the water pipe 1, the high-pressure water flow applies pressure to the hydraulic plate 8 to enable the telescopic sleeve 3 to contract, the push rod 9 moves to the right, the compression plate 11 enables the first connection reed 12 to be pushed against the second connection reed 13 to enable the first connection reed and the second connection reed to be kept in a contact state, and further enables the power supply connection box 6 to be kept, the push rod 9 moves to the left under the action of the first spring 10, and the first connecting reed 12 is separated from the second connecting reed 13 under the action of the elastic force of the first connecting reed and the action of the second spring 16, so that the power supply connecting box 6 is in a power-off state, and the water pump is effectively prevented from being dried.
Claims (6)
1. The utility model provides a water pump operation protection device, includes inlet tube (1) and outlet pipe (2), and inlet tube (1) is connected with outside water source, and outlet pipe (2) are connected its characterized in that with the water pump water inlet: the water inlet pipe (1) is connected with the water outlet pipe (2) in an L shape, a round hole is formed in the end portion of the water inlet pipe (1), a screw connection column (4) is screwed in the round hole, a telescopic sleeve (3) is arranged at the left end of the screw connection column (4), a hydraulic plate (8) is arranged at the left end of the telescopic sleeve (3) in a sealing mode, the telescopic sleeve (3) and the hydraulic plate (8) are located in the water inlet pipe (1), a screwing column (5) is arranged at the right end of the screw connection column (4), the left end face of the screwing column (5) is tightly attached to the right end face of the water inlet pipe (1), a power supply connection box (6) is arranged on the right end face of the screwing column (5), two power supply interfaces (7) are arranged outside the power supply connection box (6), a first connection reed (12) and a second connection reed (13) are arranged inside the power supply connection box (6), the first connection reed (12) and the second connection reed (13), the center department of spiro union post (4) slides and is provided with push rod (9), the left end of push rod (9) is located telescope tube (3) and is connected with hydraulic pressure board (8), and the left end cover of push rod (9) is equipped with first spring (10), and the right-hand member of push rod (9) is located power connection box (6), and the right-hand member portion of push rod (9) is provided with oppression board (11), and the right-hand member of power connection box (6) is provided with initial start-up hole (18).
2. The water pump operation protection device of claim 1, wherein: the screwing column (5) is pressed with knurling patterns.
3. The water pump operation protection device of claim 1, wherein: and a supporting pad (15) is arranged on the side wall corresponding to the position of the compression plate (11) in the power supply connecting box (6).
4. The water pump operation protection device of claim 1, wherein: and a sealing ring (17) is clamped between the left end face of the screwing column (5) and the right end face of the water inlet pipe (1).
5. The water pump operation protection device of claim 1, wherein: the ends of the first connecting reed (12) and the second connecting reed (13) are provided with raised connecting contacts (14).
6. The water pump operation protection device of claim 1, wherein: and a second spring (16) is arranged at the end part of the first connecting reed (12), and the other end of the second spring (16) is fixed in the power supply connecting box (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021607070.0U CN212959063U (en) | 2020-08-05 | 2020-08-05 | Water pump operation protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021607070.0U CN212959063U (en) | 2020-08-05 | 2020-08-05 | Water pump operation protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959063U true CN212959063U (en) | 2021-04-13 |
Family
ID=75347804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021607070.0U Active CN212959063U (en) | 2020-08-05 | 2020-08-05 | Water pump operation protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212959063U (en) |
-
2020
- 2020-08-05 CN CN202021607070.0U patent/CN212959063U/en active Active
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