CN214273902U - Pump head structure of water supply pump - Google Patents
Pump head structure of water supply pump Download PDFInfo
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- CN214273902U CN214273902U CN202120278023.4U CN202120278023U CN214273902U CN 214273902 U CN214273902 U CN 214273902U CN 202120278023 U CN202120278023 U CN 202120278023U CN 214273902 U CN214273902 U CN 214273902U
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- water inlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 190
- 238000007789 sealing Methods 0.000 claims description 31
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000003825 pressing Methods 0.000 description 9
- 230000004087 circulation Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a pump head structure of a water supply pump, which comprises a pump head body, a pump cover and an end cover, wherein the pump head body is connected with a connecting seat for connecting a motor, a water inlet cavity and a water outlet cavity are arranged in the pump head body, the water inlet and the water outlet of the water inlet cavity and the water outlet cavity are respectively communicated, the water inlet cavity is communicated with the water outlet cavity, the water inlet cavity is communicated with the water inlet cavity, the water inlet one-way assembly is arranged on a water path communicated with the water inlet cavity, the pump head body is provided with a first water outlet flow channel and a second water outlet flow channel which are mutually communicated, the first water inlet flow channel corresponds to and is communicated with the pressurizing cavity, the water path communicated with the water outlet of the second water outlet flow channel is provided with a water outlet one-way diaphragm, the water outlet one-way diaphragm covers the water outlet end of the second water outlet flow channel, and the middle part of the water outlet one-way diaphragm is fixedly compressed between the end cover and the pump head body. The utility model discloses optimize the inside rivers structure of working shaft, simplified technology, practiced thrift the cost.
Description
Technical Field
The utility model relates to a fluid transportation technical field, concretely relates to pump head structure of working shaft.
Background
The water supply pump is used as an important supercharging device, is widely applied to family life, can effectively improve the water pressure of the family water, and is convenient for life use. The domestic water supply pump is mainly a diaphragm pump which mainly comprises 1-3 water pressing cavities and is used for reciprocating water pressing and pressurizing.
The internal structure of the existing diaphragm type water supply pump is complex, so that the production process is complex, and the manufacturing cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pump head structure of working shaft for solve the problem that the inside runner structure of working shaft is complicated, production technology is loaded down with trivial details, the cost is with high costs.
In order to solve the technical problem, the utility model discloses a following scheme:
a pump head structure of a water supply pump comprises a pump head body, a pump cover and an end cover, wherein a connecting seat used for connecting a motor is connected to the pump head body, a water inlet cavity, a water outlet cavity and a pressurizing cavity are arranged in the pump head body, the connecting seat is connected with the pump head body to form an installation cavity, a compression assembly is installed in the installation cavity in a matching manner and comprises a pressurizing diaphragm, the motor drives the compression assembly to eccentrically rotate and changes the volume of the pressurizing cavity through the pressurizing diaphragm, a water inlet and a water outlet which are respectively communicated with the water inlet cavity and the water outlet cavity are arranged on the end cover, the pressurizing cavity is communicated with the water outlet cavity and the water inlet cavity, a water inlet one-way assembly is arranged on a water path communicated with the pressurizing cavity, a first water outlet flow passage and a second water outlet flow passage which are formed by a pump head body and are mutually communicated are arranged on the pump head body, the first water inlet flow passage is corresponding to and communicated with the pressurizing cavity, and a water path communicated with the water outlet one-way diaphragm is arranged on the second water outlet flow passage, the water outlet one-way diaphragm covers the water outlet end of the second water outlet flow channel, the middle part of the water outlet one-way diaphragm is fixedly and tightly pressed between the end cover and the pump head body, and the pump cover, the pressurizing diaphragm and the pump head body are sealed together to form a pressurizing cavity.
By adopting the technical scheme, the pump head body is provided with the first water outlet flow channel and the second water outlet flow channel which are mutually communicated, when the water supply pump is electrified to work, the motor rotates to drive the compression assembly to eccentrically rotate and simultaneously drive the pressurizing diaphragm to move, the pressurizing diaphragm sequentially and circularly extrudes the pressurizing cavity, when the volume of the pressurizing cavity is increased, vacuum suction force is generated to sequentially suck source water in the water inlet cavity into the pressurizing cavity from the water inlet one-way assembly, when the volume of the pressurizing cavity is reduced, extrusion force is generated to press the source water into the second water outlet flow channel from the first water outlet flow channel, the water outlet one-way diaphragms are sequentially opened under the state that the volume of the pressurizing cavity is circularly changed, the source water is sequentially and circularly pressed into the water outlet through the water outlet one-way diaphragms, when the pressurizing cavity pressurizes water, the water in the pressurizing cavity cannot flow back to the water inlet cavity due to the action of the water inlet one-way assembly, and meanwhile, the water outlet one-way diaphragms effectively avoid the backflow phenomenon of the water outlet, the utility model discloses a set up a plurality of water outlet flow ways that match on one-way diaphragm of water and the pump head body in water outlet department, optimized the inside rivers structure of working shaft for its manufacturing process is followed and is simplified, has practiced thrift manufacturing cost, guarantees the normal operation of working shaft simultaneously.
Preferably, the one-way subassembly of intaking includes one-way diaphragm and the baffle of intaking, is equipped with the first inlet opening with the pressure boost chamber switch-on the baffle, one-way diaphragm and the baffle accordant connection of intaking, and the one-way diaphragm of intaking is located the water route of first inlet opening and pressure boost chamber switch-on and the middle part cover is located first water outlet flow way outer wall, is equipped with the second inlet opening of the first inlet opening of switch-on and inlet chamber on the pump head body.
Preferably, the compression assembly further comprises a screw rod, a connecting rod sleeve and an eccentric part, the eccentric part is provided with an eccentric hole connected with the output end of the motor, the side wall of the eccentric part is sleeved with a bearing, the bearing is connected with the connecting rod sleeve, the pressurizing diaphragm is located in the pressurizing cavity and is circumferentially compressed and sealed among the pump cover, the baffle and the pump head body, the middle part of the pressurizing diaphragm is provided with a matched pressing piece, the screw rod sequentially penetrates through the pressing piece, the pressurizing diaphragm and the connecting rod sleeve to compress and fix the pressurizing diaphragm between the pressing piece and the connecting rod sleeve, and the connecting rod sleeve is sleeved with a sheath for supporting the pressurizing diaphragm.
Preferably, a first sealing ring and a second sealing ring are arranged between the end cover and the pump head body, the second sealing ring is arranged on the inner side of the first sealing ring, and the first sealing ring and the second sealing ring are pressed in a groove formed in the pump head body through the end cover. The sealing performance between the end cover and the pump head body is enhanced, and the water in each cavity and each flow channel inside is ensured not to seep out from the mounting gap between the end cover and the pump head body.
Preferably, a sealing gasket is arranged at the joint between the pump cover and the pump head body, and the sealing gasket is tightly pressed in a mounting groove formed by the pump cover body and the baffle plate. The sealing performance between the pump cover and the pump head body is enhanced, and the water in each cavity and each flow channel inside the pump cover is ensured not to seep out from the mounting gap between the pump cover and the pump head body.
The utility model discloses beneficial effect who has:
1. the utility model discloses a set up a plurality of water outlet flow channels on one-way diaphragm of water and the pump head body in water outlet department, optimized the inside rivers structure of working shaft for its manufacturing process is followed and is simplified, has practiced thrift manufacturing cost, guarantees the normal operation of working shaft simultaneously.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the cross-sectional structure a-a in fig. 1.
Reference numerals: 01-water inlet, 02-water outlet, 03-water outlet cavity, 04-end cover, 05-first sealing ring, 06-water outlet one-way diaphragm, 07-second water inlet, 08-first water inlet, 09-water inlet one-way diaphragm, 10-baffle, 11-pressurizing cavity, 12-pump cover, 13-pressurizing diaphragm, 14-connecting rod sleeve, 15-eccentric part, 16-bearing, 17-connecting seat, 18-screw rod, 19-first water outlet flow passage, 20-second water outlet flow passage, 21-water inlet cavity, 22-second sealing ring, 23-pump head body, 24-mounting cavity, 25-eccentric hole, 26-pressing part, 27-sheath and 28-sealing gasket.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1 and 2, a pump head structure of a water supply pump comprises a pump head body 23, a pump cover 12 and an end cover 04, wherein the pump head body 23 is connected with a connecting seat 17 for connecting a motor, the pump head body 23 is internally provided with a water inlet cavity 21, a water outlet cavity 03 and a pressurizing cavity 11, the connecting seat 17 is connected with the pump head body 23 to form an installation cavity 24, the installation cavity 24 is internally provided with a compression assembly in a matching way, the compression assembly comprises a pressurizing diaphragm 13, the motor drives the compression assembly to rotate eccentrically and changes the volume of the pressurizing cavity 11 through the pressurizing diaphragm 13, the end cover 04 is provided with a water inlet 01 and a water outlet 02 which are respectively communicated with the water inlet cavity 21 and the water outlet cavity 03, the pressurizing cavity 11 is communicated with the water outlet cavity 03 and the water inlet cavity 21, a water inlet one-way assembly is arranged on a water path communicated with the pressurizing cavity 11, the pump head body 23 is provided with a first water outlet flow passage 19 and a second water outlet flow passage 20 which are formed by the body of the pump head body 23 and are communicated with each other, the first water inlet channel 19 corresponds to and is communicated with the pressurizing cavity 11, a water outlet one-way diaphragm 06 is arranged on a water path through which the second water outlet channel 20 is communicated with the water outlet 02, the water outlet one-way diaphragm 06 covers the water outlet end of the second water outlet channel 20, the middle part of the water outlet one-way diaphragm 06 is fixedly pressed between the end cover 04 and the pump head body 23, and the pump cover 12, the pressurizing diaphragm 13 and the pump head body 23 are sealed together to form the pressurizing cavity 11.
A first water outlet flow passage 19 and a second water outlet flow passage 20 which are mutually communicated are arranged on a body of a pump head body 23, the first water outlet flow passage 19 is vertically arranged and is provided with an extension section towards a pump cover 12 to form a bulge, the second water outlet flow passage 20 is transversely arranged, the first water outlet flow passage 19 is vertically intersected with the second water outlet flow passage 20, a water outlet one-way diaphragm 06 completely covers outlets of all the second water outlet flow passages 20 and can effectively avoid backflow, when the water supply pump is electrified and works, a motor rotates to drive a compression assembly to eccentrically rotate and simultaneously drive a pressurizing diaphragm 13 to move, the pressurizing diaphragm 13 sequentially and circularly extrudes a pressurizing cavity 11, when the volume of the pressurizing cavity 11 is increased, vacuum suction force is generated to suck source water in the water inlet cavity 21 from the water inlet one-way assembly into the pressurizing cavity 11, when the volume of the pressurizing cavity 11 is reduced, extrusion force is generated to press the source water into the second water outlet flow passage 20 from the first water outlet flow passage 19, under the state that the 11 volume circulations in pressure boost chamber change, go out one-way diaphragm 06 and open in proper order, source water is through going out one-way diaphragm 06 circulation in proper order and impressing delivery port 02, when 11 pressures water in pressure boost chamber, because the effect of the one-way subassembly of intaking for the water in the pressure boost chamber 11 can not flow back to intake antrum 21, and the one-way diaphragm 06 of simultaneously going out also effectual water of avoiding delivery port 02 takes place backward flow phenomenon, the utility model discloses a two water flow channels on delivery port 02 department sets up one-way diaphragm 06 of play water and pump head body 23 have optimized the inside rivers structure of working shaft, make its manufacturing process follow the simplification, have practiced thrift manufacturing cost, guarantee the normal work of working shaft simultaneously.
Example 2
As shown in fig. 1, the water inlet one-way assembly includes a water inlet one-way diaphragm 09 and a baffle 10, the baffle 10 is provided with a first water inlet 08 communicated with the pressurizing cavity 11, the water inlet one-way diaphragm 09 is connected with the baffle 10 in a matching manner, the water inlet one-way diaphragm 09 is located on a water path where the first water inlet 08 is communicated with the pressurizing cavity 11, and the middle of the water inlet one-way diaphragm 09 is sleeved on the outer wall of the first water outlet channel 19, that is, the first water outlet channel 19 protrudes toward the pump cover 12, and the pump head body 23 is provided with a second water inlet 07 communicated with the first water inlet 08 and the water inlet cavity 21.
Example 3
As shown in fig. 1, the compression assembly further includes a screw 18, a connecting rod sleeve 14, and an eccentric member 15, the eccentric member 15 is provided with an eccentric hole 25 connected to the output end of the motor, a bearing 16 is sleeved on the side wall of the eccentric member 15, the bearing 16 is connected to the connecting rod sleeve, the pressurizing diaphragm 13 is located in the pressurizing cavity 11 and is circumferentially compressed and sealed between the pump cover 12, the baffle 10 and the pump head body 23, a pressing member 26 matched with the middle portion of the pressurizing diaphragm 13 is arranged in the middle portion of the pressurizing diaphragm 13, the screw 18 sequentially penetrates through the pressing member 26, the pressurizing diaphragm 13 and the connecting rod sleeve 14 to compress and fix the pressurizing diaphragm 13 between the pressing member 26 and the connecting rod sleeve 14, and the connecting rod sleeve 14 is sleeved with a sheath 27 for supporting the pressurizing diaphragm 13.
Example 4
As shown in fig. 1, a first sealing ring 05 and a second sealing ring 22 are arranged between the end cover 04 and the pump head body 23, the second sealing ring 22 is located inside the first sealing ring 05, and the first sealing ring 05 and the second sealing ring 22 are pressed against the pump head body 23 through the end cover 04 to form a groove. The sealing performance between the end cover 04 and the pump head body 23 is enhanced, and the water in each cavity and flow passage in the pump head body is ensured not to seep out from the mounting gap between the end cover 04 and the pump head body 23.
Example 5
As shown in fig. 1, a sealing gasket 28 is disposed at a connection between the pump cover 12 and the pump head body 23, and the sealing gasket 28 is pressed into an installation groove formed by the pump cover 12 and the baffle 10. The sealing performance between the pump cover 12 and the pump head body 23 is enhanced, and the water in each cavity and flow passage inside the pump cover is ensured not to seep out from the mounting gap between the pump cover 12 and the pump head body 23.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.
Claims (5)
1. A pump head structure of a water supply pump comprises a pump head body (23), a pump cover (12) and an end cover (04), wherein a connecting seat (17) used for being connected with a motor is connected onto the pump head body (23), a water inlet cavity (21), a water outlet cavity (03) and a pressurizing cavity (11) are arranged in the pump head body (23), the connecting seat (17) is connected with the pump head body (23) to form an installation cavity (24), a compression assembly is installed in the installation cavity (24) in a matching manner and comprises a pressurizing diaphragm (13), the motor drives the compression assembly to eccentrically rotate and changes the volume of the pressurizing cavity (11) through the pressurizing diaphragm (13), a water inlet (01) and a water outlet (02) which are respectively communicated with the water inlet cavity (21) and the water outlet cavity (03) are arranged on the end cover (04), and the pressurizing cavity (11) is communicated with the water outlet cavity (03) and the water inlet cavity (21), and is characterized in that a water inlet one-way assembly is arranged on a waterway communicated with the water inlet cavity (21) and the pressurizing cavity (11), the pump head body (23) is provided with a first water outlet flow channel (19) and a second water outlet flow channel (20) which are formed by a pump head body (23) body and are communicated with each other, the first water outlet flow channel (19) corresponds to and is communicated with the pressurization cavity (11), a water outlet one-way diaphragm (06) is arranged on a water path communicated with the water outlet (02) of the second water outlet flow channel (20), the water outlet one-way diaphragm (06) covers the water outlet end of the second water outlet flow channel (20), the middle part of the water outlet one-way diaphragm (06) is fixedly compressed between the end cover (04) and the pump head body (23), and the pump cover (12), the pressurization diaphragm (13) and the pump head body (23) are sealed together to form the pressurization cavity (11).
2. The pump head structure of a water supply pump according to claim 1, wherein the water inlet one-way assembly comprises a water inlet one-way diaphragm (09) and a baffle (10), the baffle (10) is provided with a first water inlet hole (08) communicated with the pressurizing cavity (11), the water inlet one-way diaphragm (09) is connected with the baffle (10) in a matching manner, the water inlet one-way diaphragm (09) is positioned on a water path communicated with the pressurizing cavity (11) through the first water inlet hole (08) and the middle part of the water inlet one-way diaphragm is sleeved on the outer wall of the first water outlet flow channel (19), and the pump head body (23) is provided with a second water inlet hole (07) communicated with the first water inlet hole (08) and the water inlet cavity (21).
3. A pump head structure of a water supply pump according to claim 1, wherein the compression assembly further comprises a screw (18), a connecting rod sleeve (14), and an eccentric member (15), the eccentric member (15) is provided with an eccentric hole (25) connected with the output end of the motor, a bearing (16) is sleeved on the side wall of the eccentric member (15), the bearing (16) is connected with the connecting rod sleeve (14), the pressurizing diaphragm (13) is located in the pressurizing cavity (11) and is circumferentially compressed and sealed on the pump cover (12), between baffle (10) and pump head body (23), pressure boost diaphragm (13) middle part is equipped with matched casting die (26), and screw rod (18) pass casting die (26), pressure boost diaphragm (13), connecting rod cover (14) in proper order and compress tightly pressure boost diaphragm (13) and be fixed in between casting die (26) and connecting rod cover (14), and the cover is equipped with sheath (27) that are used for supporting pressure boost diaphragm (13) on connecting rod cover (14).
4. A pump head structure of a water supply pump according to claim 1, wherein a first sealing ring (05) and a second sealing ring (22) are disposed between the end cap (04) and the pump head body (23), the second sealing ring (22) is disposed inside the first sealing ring (05), and the first sealing ring (05) and the second sealing ring (22) are pressed against the body of the pump head body (23) through the end cap (04) to form a groove.
5. A pump head structure of a water supply pump according to claim 1, wherein a sealing gasket (28) is provided at a joint between the pump cover (12) and the pump head body (23), and the sealing gasket (28) is pressed into a mounting groove formed in the body of the pump head body (23) by the pump cover (12) and the baffle plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120278023.4U CN214273902U (en) | 2021-02-01 | 2021-02-01 | Pump head structure of water supply pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120278023.4U CN214273902U (en) | 2021-02-01 | 2021-02-01 | Pump head structure of water supply pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214273902U true CN214273902U (en) | 2021-09-24 |
Family
ID=77769788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120278023.4U Active CN214273902U (en) | 2021-02-01 | 2021-02-01 | Pump head structure of water supply pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214273902U (en) |
-
2021
- 2021-02-01 CN CN202120278023.4U patent/CN214273902U/en active Active
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