CN214577920U - Pump body structure convenient to check valve installation - Google Patents
Pump body structure convenient to check valve installation Download PDFInfo
- Publication number
- CN214577920U CN214577920U CN202121108745.1U CN202121108745U CN214577920U CN 214577920 U CN214577920 U CN 214577920U CN 202121108745 U CN202121108745 U CN 202121108745U CN 214577920 U CN214577920 U CN 214577920U
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- check valve
- pump body
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- limiting
- body structure
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- 238000009434 installation Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 210000000476 body water Anatomy 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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Abstract
The utility model relates to a pump body structure convenient to check valve installation belongs to water pump accessory field, to the problem that current pump body water inlet department structure is complicated, inconvenient assembly check valve, adopts technical scheme as follows: a pump body structure convenient to check valve installation includes: the pump body is provided with a water inlet, an assembling thread and a limiting thread are arranged at the water inlet, and the assembling thread is positioned on the outer side of the limiting thread and is used for connecting a water pipe; the check valve comprises a valve seat and a ring pad, a valve rod connected with the ring pad is arranged on the valve seat in a penetrating mode, a spring is sleeved on the valve rod, so that the ring pad returns under the action of elastic force, matching threads are arranged on the contour surface of the valve seat, and when the check valve is assembled on the pump body, the matching threads can be matched with the limiting threads. The pump body structure is simplified, the volume of the check valve can be reduced, and the check valve is small and exquisite; when the check valve is assembled, the check valve can be installed from the inner side of the pump body, and the check valve and the pump body can be assembled only through threads, so that the installation is convenient.
Description
Technical Field
The utility model belongs to water pump accessory field, in particular to pump body structure convenient to check valve installation.
Background
The pump body of traditional multistage centrifugal pump has water inlet and delivery port, for preventing rivers reverse flow, department sets up the check valve usually at the delivery port, and the department does not set up the assembly structure of check valve in delivery port during the pump body shaping, for fixed check valve, department sets up the flange at the delivery port usually, the check valve can only be followed the installation in the water inlet outside, and it is spacing to need extra mounting flange, and mounting flange needs a plurality of connecting pieces again, this is just so that the whole structure of pump body is miscellaneous, loaded down with trivial details, and the assembly is inconvenient.
SUMMERY OF THE UTILITY MODEL
To the problem that current pump body water inlet department structure is complicated, inconvenient assembly check valve, the utility model provides a structure, the easy to assemble check valve are retrencied to pump body structure convenient to check valve installation.
The utility model adopts the technical scheme as follows: a pump body structure convenient to check valve installation includes:
the water pump comprises a pump body, a water inlet and a water outlet, wherein the water inlet is provided with an assembling thread and a limiting thread, and the assembling thread is positioned on the outer side of the limiting thread and is used for connecting a water pipe;
the check valve, the check valve includes disk seat and circle pad, wear to establish a valve rod that links to each other with the circle pad on the disk seat, the spring is put to the cover on the valve rod, so that the circle pad return under the elastic force effect, be equipped with the cooperation screw thread on the profile face of disk seat, work as when the check valve assembly is on the pump body, the cooperation screw thread can with spacing screw thread matches.
In the structure, a flange in the existing pump body structure is omitted, the pump body structure is simplified, the check valve is arranged at the water inlet, and the volume of the check valve can be reduced on the premise that the size of the water inlet is not changed, so that the check valve is small and exquisite; when the check valve is assembled, the check valve can be installed from the inner side of the pump body, and the check valve and the pump body can be assembled only through threads, so that the installation is convenient.
Furthermore, a step surface is arranged at the water inlet, and the step surface is adjacent to the position of the limiting thread and provides an operation space for installing the check valve.
Furthermore, a knob part is arranged on the valve seat, the outline of the knob part is polygonal, and the knob part is close to the ring pad. When the check valve is installed, a hand tool or a hand is held at the knob part to apply pressure to the knob part, and the contour of the check valve is polygonal, so that the check valve is convenient to bear and rotate.
Preferably, the profile of the knob part is hexagonal so as to facilitate the limiting of the hexagonal sleeve, and then the assembly is completed through a pneumatic screwdriver, so that the installation steps are simplified, and the installation efficiency is improved.
Further, be equipped with a recess on the disk seat, the recess is used for spacing sealing washer, water inlet department is equipped with a spacing step, spacing step is located the assembly screw thread with between the spacing screw thread, work as the check valve assembly is in during water inlet department, the lateral wall of spacing step with the sealing washer offsets to form sealedly in check valve department.
Furthermore, a limiting ring is arranged on the valve seat and is positioned between the limiting thread and the knob part so as to limit the assembly position of the check valve.
Furthermore, a triangular support is arranged on the valve seat, and the valve rod penetrates through the middle position of the triangular support. Be equipped with the interval between the inner wall of A-frame and disk seat, make things convenient for water to flow through, and A-frame has stable structure, wears to establish the valve rod at the intermediate position and can guarantee whole stable in structure.
Furthermore, one end of the valve rod is provided with a limiting head, and the spring is limited between the triangular support and the limiting head so that the ring gasket can return.
Further, the other end of valve rod is equipped with the thread head, the thread head with circle pad spiro union effectively prevents that circle pad from droing.
The utility model discloses beneficial effect who has: the flange among the current pump body structure has been saved in this application, retrencies pump body structure, and the check valve of adoption is small, and during the assembly check valve, the inboard installation of the pump body can be followed to the check valve, and check valve and the pump body only can assemble simple to operate through the screw thread.
Drawings
FIG. 1 is a schematic structural view of a pump body;
FIG. 2 is a schematic view of the structure in the direction A-A in FIG. 1;
FIG. 3 is a schematic view of the check valve of FIG. 2 with the check valve removed;
FIG. 4 is a schematic structural view of a check valve;
FIG. 5 is a schematic view of the rear portion of the check valve;
in the figure: 1-a pump body; 11-a water inlet; 111-step face; 112-a limit step; 12-assembly of threads; 13-a limit thread; 14-a water outlet; 2-a check valve; 21-valve seat; 211-mating threads; 212-knob portion; 213-a groove; 214-a sealing ring; 215-a stop collar; 216-a tripod; 22-ring pad; 23-a valve stem; 231-a limiting head; 24-spring.
Detailed Description
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
The pump body structure convenient for installation of the check valve of the embodiment, as shown in fig. 1 to 5, includes:
the water pump comprises a pump body 1, wherein the pump body 1 is provided with a water inlet 11 and a water outlet 14, an assembling thread 12 and a limiting thread 13 are arranged at the water inlet 11, and the assembling thread 12 is positioned on the outer side of the limiting thread 13 and is used for connecting a water pipe; a flange for connection is arranged at the water outlet 14;
In the structure, a flange at the water inlet of the existing pump body 1 is omitted, the structure of the pump body 1 is simplified, the check valve 2 is arranged at the water inlet 11, and the volume of the check valve 2 can be reduced on the premise that the size of the water inlet 11 is not changed, so that the check valve 2 is small and exquisite; when assembling the check valve 2, the check valve 2 can be installed from the inner side of the pump body 1, and the check valve 2 and the pump body 1 can be assembled only through threads, so that the installation is convenient.
The structure inside the pump body 1 is as shown in fig. 3, a step surface 111 is arranged at the water inlet 11, and the step surface 111 is adjacent to the position of the limit thread 13 and provides an operation space for installing the check valve 2. Because the step surface 111 is arranged, when the check valve is installed, a certain interval is formed between the edge of the check valve and the inner wall of the pump body, the inner wall of the pump body is prevented from being scratched by the check valve, and meanwhile, a tool or a hand can conveniently stretch into the pump body.
As shown in fig. 5, a knob portion 212 is provided on the valve seat 21, and the contour of the knob portion 212 is polygonal and is disposed close to the ring gasket 22. In this embodiment, the profile of the knob portion 212 is hexagonal so that the hexagonal sleeve is limited, and then the pneumatic screwdriver is used to complete assembly, thereby simplifying the installation steps and improving the installation efficiency.
As shown in fig. 4, a groove 213 is formed in the valve seat 21, the groove 213 is used for limiting a sealing ring 214, a limiting step 112 is arranged at the water inlet 11, the limiting step 112 is located between the assembling thread 12 and the limiting thread 13, and when the check valve 2 is assembled at the water inlet 11, a side wall of the limiting step 112 abuts against the sealing ring 214 so as to form a seal at the check valve 2.
The valve seat 21 is provided with a limiting ring 215, and the limiting ring 215 is positioned between the limiting thread 13 and the knob part 212 to limit the assembly position of the check valve 2.
The valve seat 21 is provided with a triangular support 216, and the valve rod 23 is arranged at the middle position of the triangular support 216 in a penetrating way. An interval is arranged between the triangular support 216 and the inner wall of the valve seat 21, so that water can flow through the triangular support 216 conveniently, the triangular support 216 has a stable structure, and the valve rod 23 is arranged in the middle in a penetrating mode, so that the whole structure can be guaranteed to be stable.
One end of the valve rod 23 is provided with a limiting head 231, and the spring 24 is limited between the triangular support 216 and the limiting head 231, so that the gasket 22 is returned.
The other end of the valve rod 23 is provided with a threaded head, and the threaded head is in threaded connection with the ring gasket 22, so that the ring gasket 22 is effectively prevented from falling off.
In this embodiment, the spring 24 is a tower-shaped spring with one end gradually enlarged toward the other end, and as can be seen from fig. 2, the small end of the spring 24 is limited by the limiting head 231, and the large end of the spring 24 abuts against the triangular bracket 216. For the spring of isodiametric, the big small turriform spring of one end is difficult to the bounce, collapses open when the assembly, and the structure is more stable to atress is more even after the pressurized, can guarantee the uniformity of the flexible direction of valve rod 23, so that valve rod 23 stretches out and draws back freely, prevents effectively that valve rod 23 and circle pad 22 jamming.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (9)
1. The utility model provides a pump body structure convenient to check valve installation which characterized in that includes:
the water pump comprises a pump body (1), wherein the pump body (1) is provided with a water inlet (11), an assembling thread (12) and a limiting thread (13) are arranged at the water inlet (11), and the assembling thread (12) is positioned on the outer side of the limiting thread (13) and is used for connecting a water pipe;
check valve (2), check valve (2) include disk seat (21) and circle pad (22), wear to establish valve rod (23) that link to each other with circle pad (22) on disk seat (21), spring (24) are put to cover on valve rod (23), so that circle pad (22) return under the spring action, be equipped with cooperation screw thread (211) on the profile face of disk seat (21), work as when check valve (2) assemble on the pump body (1), cooperation screw thread (211) can with stop thread (13) match.
2. The pump body structure convenient for installation of the check valve according to claim 1, wherein a step surface (111) is arranged at the water inlet (11), and the step surface (111) is adjacent to the position of the limiting thread (13).
3. Pump body structure facilitating the installation of non-return valves according to claim 1 or 2, characterized in that said valve seat (21) is provided with a knob portion (212), said knob portion (212) having a polygonal outline and being arranged close to said gasket (22).
4. The pump body structure for facilitating check valve installation of claim 3, wherein the knob portion has a hexagonal contour.
5. The pump body structure convenient for installation of the check valve according to claim 3, wherein a groove (213) is formed in the valve seat (21), the groove (213) is used for limiting a sealing ring (214), a limiting step (112) is formed at the water inlet (11), the limiting step (112) is located between the assembling thread (12) and the limiting thread (13), and when the check valve (2) is assembled at the water inlet (11), the side wall of the limiting step (112) abuts against the sealing ring (214).
6. The pump body structure for facilitating check valve installation according to claim 3, wherein a stop collar (215) is provided on the valve seat (21), and the stop collar (215) is located between the stop thread (13) and the knob portion (212).
7. The pump body structure for facilitating check valve installation according to claim 1, wherein a triangular support (216) is provided on the valve seat (21), and the valve rod (23) is inserted in a middle position of the triangular support (216).
8. The pump body structure for facilitating check valve installation according to claim 7, wherein one end of the valve rod (23) is provided with a limiting head (231), and the spring (24) is limited between the triangular support (216) and the limiting head (231).
9. Pump body structure facilitating the installation of non-return valves according to claim 8, characterized in that the other end of the stem (23) is provided with a threaded head which is screwed with the gasket (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121108745.1U CN214577920U (en) | 2021-05-21 | 2021-05-21 | Pump body structure convenient to check valve installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121108745.1U CN214577920U (en) | 2021-05-21 | 2021-05-21 | Pump body structure convenient to check valve installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214577920U true CN214577920U (en) | 2021-11-02 |
Family
ID=78362742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121108745.1U Active CN214577920U (en) | 2021-05-21 | 2021-05-21 | Pump body structure convenient to check valve installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214577920U (en) |
-
2021
- 2021-05-21 CN CN202121108745.1U patent/CN214577920U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240611 Address after: Room 02, Building 02, No. 1128 Nanci 1st Road, Anhui Xinwu Economic Development Zone, Wanzhou District, Wuhu City, Anhui Province, 242500 Patentee after: Poluodun Intelligent Pump Industry (Anhui) Co.,Ltd. Country or region after: China Address before: 317500 Room 401, 2 Chuang Chuang building, 1333 Wanchang Road, Chengdong street, Wenling, Taizhou, Zhejiang, China Patentee before: PRODN INTELLIGENT CONTROL ELECTRONIC TECHNOLOGY (ZHEJIANG) CO.,LTD. Country or region before: China |