CN216306200U

CN216306200U - RO pump

Info

Publication number: CN216306200U
Application number: CN202123120903.8U
Authority: CN
Inventors: 叶斌海
Original assignee: Ningbo Lijia Qingshi Electric Technology Co ltd
Current assignee: Ningbo Lijia Qingshi Electric Technology Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-04-15
Anticipated expiration: 2031-12-10

Abstract

The utility model relates to a RO pump relates to the field of RO pump, and it includes the pump body, base and pump cover, pump body fixed connection is in one side of base, pump cover fixed connection is in one side of the pump body, be equipped with water inlet and delivery port on the pump cover, still include two connecting pipes, two the connecting pipe all is connected with the pump cover, the connecting pipe includes first straight tube, two first straight tube communicates with water inlet and delivery port respectively. The cost that has improved the tee bend connector is higher for the higher problem of cost of whole water purifier, this application has the RO pump and need not to connect through the tee bend connector, and simple structure has reduced the effect of the cost of RO pump.

Description

RO pump

Technical Field

The present application relates to the field of RO pumps, and more particularly, to an RO pump.

Background

The RO pump is also called RO booster pump, RO diaphragm pump, reverse osmosis booster pump, and is one kind of direct current diaphragm booster pump. RO pumps, as their name implies, are booster pumps used in reverse osmosis plants. The RO water purifier has the functions of self-suction and pressurization, and is one of the key important components of the RO water purifier.

Among the correlation technique, refer to fig. 5, a RO pump, including the pump body 1, base 3, pump cover 2 and connecting

pipe

4, 1 fixed connection in one side of base 3 of the pump body, 2 fixed connection in one side of the pump body 1 of pump cover, be equipped with water inlet 21 and delivery port 22 on the pump cover 2, be equipped with connector 5 on the pump cover 2, the quantity of connecting pipe 4 is two, wherein connecting pipe 4 passes through connector 5 and pump cover 2 intercommunication, the one end that connector 5 was kept away from to connecting pipe 4 is equipped with tee junction head 8, another one connecting pipe 4 and tee junction head 8 intercommunication, tee junction head 8 does not pass through the end cap with one end of first connecting pipe 4, the 4 intercommunications of second connecting pipe and blocks up. When the pipeline of being connected with other parts of the pump body 1 is close to one side of the pump cover 2 at the casing of the water purifier, then connect through two connecting pipes 4, when the pipeline of being connected with other parts of the pump body 1 is far away from one side of the pump cover 2 at the casing of the water purifier, then connect through one end that tee junction head 8 is stopped up by the end cap.

In view of the above-mentioned related arts, the inventor believes that the purpose of connecting to the pipe on either side of the cabinet can be achieved by using the three-way joint, but the cost of the three-way joint is high, so that the cost of the whole water purifier is high, and there is room for improvement.

SUMMERY OF THE UTILITY MODEL

In order to improve the cost of tee bend connector higher for the cost on the high side of whole water purifier's problem, this application provides a RO pump.

The application provides a RO pump adopts following technical scheme:

the utility model provides a RO pump, includes the pump body, base and pump cover, pump body fixed connection is in one side of base, pump cover fixed connection is in one side of the pump body, be equipped with water inlet and delivery port on the pump cover, still include two connecting pipes, two the connecting pipe all is connected with the pump cover, the connecting pipe includes first straight tube, two first straight tube communicates with water inlet and delivery port respectively.

Through adopting above-mentioned technical scheme, only through connecting pipe lug connection for the RO pump need not to connect through the tee bend connector, and simple structure has reduced the cost of RO pump.

Optionally, the connecting pipe further includes a second straight pipe and an elbow pipe, the elbow pipe is fixedly connected to one end of the first straight pipe, which is far away from the pump cover, and is communicated with each other, and the second straight pipe is parallel to the first straight pipe and is communicated with one end of the elbow pipe, which is far away from the first straight pipe.

Through adopting above-mentioned technical scheme, the setting of second straight tube and return bend makes when the pipeline of being connected with the RO pump is located one side of pump cover, can connect through the connecting pipe of difference, because the casing of water purifier has already been the shaping when using, then can install through the connecting pipe of different grade type, need not the higher tee junction head of cost and connects, has reduced the cost of RO pump.

Optionally, one end of the first straight pipe, which is close to the pump cover, is provided with a connector, two one end of the connector is respectively penetrated into the water inlet and the water outlet and fixedly connected with the inner side wall of the water inlet and the water outlet, and the other end of the connector is sleeved on the first straight pipe and communicated with the first straight pipe.

Through adopting above-mentioned technical scheme, the setting of connector for the connecting pipe can be changed through the plug process with the connector, simple structure, convenient operation.

Optionally, the connecting pipe further includes an insert pipe, the insert pipe is fixedly connected to one end of the first straight pipe close to the pump cover, and the two insert pipes penetrate through the water inlet and the water outlet respectively.

Through adopting above-mentioned technical scheme, the setting of intubate for can high-speed joint between connecting pipe and the pump cover, need not the connector, further reduced the cost of RO pump.

Optionally, the inner side walls of the water inlet and the water outlet are respectively provided with a connecting sleeve, the connecting sleeves are respectively fixedly connected to the inner side walls of the water inlet and the water outlet, and one end, far away from the first straight pipe, of the insert pipe penetrates through the connecting sleeve and is connected with the connecting sleeve in a clamping manner.

By adopting the technical scheme and the arrangement of the connecting sleeve, on one hand, the inserting pipe and the inner side walls of the water inlet and the water outlet are sealed, and the sealing performance between the pump cover and the connecting pipe is improved; on the other hand, the damage of the pump cover is not easily caused when the insert pipe is inserted into the water inlet and the water outlet, and the service life of the RO pump is prolonged.

Optionally, the cover is equipped with chucking spare on the insert tube, chucking spare includes go-between and joint cover, joint cover fixed connection is on the go-between, joint cover fixed connection is in the one side that the go-between is close to the water inlet, the joint is sheathe in and is equipped with the annular that supplies the adapter sleeve to inlay to establish, the both ends of adapter sleeve butt respectively on the double-phase relative lateral wall of annular.

Through adopting above-mentioned technical scheme, chucking spare and adapter sleeve cooperation for fix a position when the insert tube inserts water inlet and delivery port, the insert tube is difficult too to insert water inlet and delivery port, also is difficult for falling out from water inlet and delivery port, has improved the connection stability of insert tube.

Optionally, the clamping sleeve is provided with a plurality of deformation grooves, and the deformation grooves penetrate through one side of the clamping sleeve, which is far away from the connecting ring.

Through adopting above-mentioned technical scheme, the deformation space of joint cover has been increased in the setting in deformation groove for when joint cover inserts in the connecting sleeve, through taking place deformation and dwindling holistic diameter, make things convenient for the joint cover to insert, improved the connection efficiency of connecting pipe.

Optionally, the inner side wall of the connecting sleeve is provided with two guide surfaces, and the two guide surfaces are respectively arranged at two ends of the connecting sleeve.

Through adopting above-mentioned technical scheme, through setting up the spigot surface, the direction shrink lateral wall diameter of guide joint spare along the spigot surface has improved the efficiency that joint spare inserted the adapter sleeve and takes out from the adapter sleeve.

Optionally, a sealing ring is sleeved on one side, away from the first straight pipe, of the insertion pipe, and the sealing ring abuts against one side, away from the connecting ring, of the clamping sleeve.

Through adopting above-mentioned technical scheme, the setting of sealing washer is filled the gap between insert tube and water inlet and the delivery port and is difficult for leaking, has increased the leakproofness of being connected between insert tube and the pump cover.

Optionally, water inlet and delivery port all are equipped with the ladder face, equal butt of adapter sleeve, sealing washer and insert tube is on the lateral wall of the different ladder departments of ladder face.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the RO pumps are directly connected through the connecting pipes, so that the RO pumps do not need to be connected through a three-way connector, the structure is simple, and the cost of the RO pumps is reduced;

2. the clamping piece is matched with the connecting sleeve to position the inserting pipe, so that the connecting stability of the inserting pipe is improved;

3. the sealing ring is arranged to fill the gap between the insert pipe and the water inlet and the water outlet, so that leakage is not easy to occur, and the sealing property between the insert pipe and the pump cover is improved.

Drawings

Fig. 1 is a schematic structural view of an RO pump according to embodiment 1 of the present application.

Fig. 2 is a schematic structural diagram of an RO pump in embodiment 2 of the present application.

Fig. 3 is an exploded partial schematic view of an RO pump in embodiment 3 of the present application.

FIG. 4 is a schematic view of a half-section of an RO pump in accordance with example 3 of the present application.

Fig. 5 is an assembly view of an RO pump in the related art.

Description of reference numerals: 1. a pump body; 2. a pump cover; 21. a water inlet; 22. a water outlet; 23. a step surface; 3. a base; 4. a connecting pipe; 41. a first straight pipe; 42. a second straight pipe; 43. bending the pipe; 44. an insertion tube; 5. a connector; 6. a clamping assembly; 61. connecting sleeves; 611. a guide surface; 612. a first rib; 62. a retainer; 621. a connecting ring; 622. a clamping sleeve; 6221. a ring groove; 6222. a deformation groove; 6223. a second convex strip; 7. a seal ring; 8. tee joint head.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an RO pump.

Example 1

Referring to fig. 1, the RO pump includes a pump body 1, a pump cover 2, a base 3, and a connection pipe 4.

The pump body 1 is mounted on the base 3 to mount the pump body 1 in the water purifier. The pump cover 2 is installed on one side of the pump body 1 to cover the pump body 1. The pump cover 2 has a water inlet 21 and a water outlet 22 for water to flow in and out. Connecting pipe 4 is installed on pump cover 2, and the quantity of connecting pipe 4 is two, and two connecting pipes 4 communicate with water inlet 21 and delivery port 22 respectively for connecting pipe 4 carries out the water conservancy diversion to the water that gets into water inlet 21 and outflow delivery port 22.

The pump cover 2 is provided with two connectors 5, the number of the connectors 5 is two, and the two connectors 5 are respectively positioned at the water inlet 21 and the water outlet 22 and are mutually communicated with the water inlet 21 and the water outlet 22. The connecting pipe 4 comprises a first straight pipe 41, the first straight pipe 41 penetrates through one end, away from the pump body 1, of the connecting pipe 4 and is communicated with the connector 5, and water flow is guided to circulate along the length direction of the first straight pipe 41. The connector 5 is arranged in an L shape, so that the first straight pipe 41 and the pump body 1 are arranged in parallel to reduce the space occupied by the connecting pipe 4 and the pump body 1.

The implementation principle of the embodiment 1 is as follows: when the pump body 1 and the water purifier are connected with each other by a pipeline at one end far away from the pump cover 2, one ends of the two connecting pipes 4 are correspondingly inserted into the corresponding connectors 5, and the other ends of the two connecting pipes 4 are respectively communicated with the pipeline on the water purifier so as to enable water flow to sequentially flow out of the connecting pipes 4, the connectors 5, the water inlet 21, the interior of the pump cover 2 and the water outlet 22 through the RO pump.

Example 2

Referring to fig. 2, the present embodiment is different from embodiment 1 in that the connection pipe 4 further includes a second straight pipe 42 and an elbow pipe 43, the elbow pipe 43 is fixedly connected to an end of the first straight pipe 41 away from the connection head 5, where the elbow pipe 43 may be connected to the first straight pipe 41 by welding, the elbow pipe 43 may also be integrally injection-molded with the first straight pipe 41, and here, the elbow pipe 43 and the first straight pipe 41 are integrally disposed, and the elbow pipe 43 and the first straight pipe 41 are communicated with each other. The second straight pipe 42 is fixedly connected to one side of the bent pipe 43 far away from the first straight pipe 41, the bent pipe 43 can be connected with the second straight pipe 42 through welding, the bent pipe 43 can also be integrally injection-molded with the second straight pipe 42, and in this case, for example, the bent pipe 43 and the second straight pipe 42 are integrally arranged, the second straight pipe 42 and the bent pipe 43 are mutually communicated, and water flow is guided to flow along the length direction of the first straight pipe 41, the bent pipe 43 and the second straight pipe 42. The second straight pipe 42 and the first straight pipe 41 are parallel to each other, so that the connecting pipe 4 occupies a small space.

The implementation principle of the embodiment 2 is as follows: when the pump body 1 and the water purifier are connected by a pipeline close to one end of the pump cover 2, one ends of the two connecting pipes 4 are correspondingly inserted into the corresponding connectors 5, and the other ends of the two connecting pipes 4 are respectively communicated with the pipeline on the water purifier so as to enable water flow to sequentially flow out of the connecting pipes 4, the connectors 5, the water inlet 21, the interior of the pump cover 2 and the water outlet 22 through the RO pump.

Example 3

Referring to fig. 3, the present embodiment is different from

embodiments

1 and 2 in that the connection pipe 4 includes an insertion pipe 44, the insertion pipe 44 is fixedly connected to one end of the first straight pipe 41 close to the pump cover 2, and the two insertion pipes 44 are respectively inserted into the water inlet 21 and the water outlet 22, so that the connection pipe 4 and the pump cover 2 can be directly connected without the connection head 5. The insertion tube 44 is arranged in an "L" shape so that the first straight tube 41 can be parallel to the pump body 1.

Referring to fig. 3 and 4, in order to secure the connection between the insertion tube 44 and the water inlet 21 and the water outlet 22, snap-fit assemblies 6 are mounted on the pump cap 2 and the connection tube 4. The clamping assembly 6 comprises a coupling sleeve 61 and a clamping member 62. The number of the connection sleeves 61 is two. The connecting sleeve 61 is fixedly connected to the inner side walls of the water inlet 21 and the water outlet 22, and the outer side wall of the connecting sleeve 61 is fixedly connected with a first convex strip 612, so that when the connecting sleeve 61 is arranged in the water inlet 21 and the water outlet 22 in a penetrating manner, the connecting sleeve 61 is in interference fit with the inner side walls of the water inlet 21 and the water outlet 22.

Referring to fig. 3 and 4, retainer 62 includes a connecting ring 621 and a snap sleeve 622. The connecting ring 621 and the clamping sleeve 622 are both sleeved on the insertion tube 44, the connecting ring 621 and the clamping sleeve 622 are fixedly connected and coaxially arranged, a second protruding strip 6223 is fixedly connected to the inner side wall of the clamping sleeve 622, and when the clamping sleeve 622 is sleeved on the insertion tube 44, the clamping sleeve 622 and the outer side wall of the insertion tube 44 are in interference fit. The outer side wall of the clamping sleeve 622 is provided with a ring groove 6221, the connecting sleeve 61 is embedded in the ring groove 6221, the ring groove 6221 extends to the connecting ring 621, one end of the connecting sleeve 61 abuts against the connecting ring 621, and the other end of the connecting sleeve 61 abuts against the side wall of the ring groove 6221 far away from the connecting ring 621. So that the fastening member 62 and the connection sleeve 61 are fixed to each other, and thus the insertion sleeve and the pump cap 2 are fixed. The inner side wall of the connecting sleeve 61 is provided with two guide surfaces 611, the two guide surfaces 611 are respectively located at two ends of the connecting sleeve 61, so that the wall thickness of the connecting sleeve 61 is gradually increased from the two ends to the middle. When the catching sleeve 622 is detached from or inserted into the connecting sleeve 61, the catching sleeve 622 is deformed under the guide of the guide surface 611 to gradually reduce the diameter of the outer sidewall to be detached from or inserted into the connecting sleeve 61.

Referring to fig. 3 and 4, the clamping sleeve 622 is provided with a plurality of deformation grooves 6222, and the deformation grooves 6222 penetrate through the side of the clamping sleeve 622 away from the connection ring 621, so that the clamping sleeve 622 deforms to reduce the diameter of the outer wall when penetrating through the connection sleeve 61.

Referring to fig. 3 and 4, in order to seal the insertion tube 44 from the water inlet 21 and the water outlet 22, the insertion tube 44 is sleeved with a sealing ring 7. The number of the sealing rings 7 is two, and both the sealing rings 7 abut against one side of the clamping sleeve 622 away from the connecting ring 621, so that when the insertion tube 44 is inserted into the connecting sleeve 61, the sealing rings 7 extend into the connecting sleeve 61 under the driving of the clamping sleeve 622 and are sealed with the inner side walls of the water inlet 21 and the water outlet 22 in an interference fit manner.

In order to position the connecting pipe 4 and the clamping assembly 6, stepped surfaces 23 are respectively arranged on the inner side walls of the water inlet 21 and the water outlet 22, so that the inner diameters of the water inlet 21 and the water outlet 22 are gradually decreased from outside to inside in a stepped manner. When the connecting pipe 4 and the clamping assembly 6 are installed, the connecting sleeve 61, the sealing ring 7 and the inserting pipe 44 are abutted to the surfaces of different steps of the step surface 23, and the connecting pipe 4 and the clamping assembly 6 are positioned.

The implementation principle of the embodiment 3 is as follows: insert adapter sleeve 61 in corresponding water inlet 21 and delivery port 22 for it is fixed to take place interference fit between adapter sleeve 61 and the inside wall of water inlet 21 and delivery port 22, then locate insert tube 44 with chucking spare 62 cover on, locate insert tube 44 with sealing washer 7 cover in, sealing washer 7 butt is kept away from the one side of go-between 621 in joint sleeve 622, then insert adapter sleeve 61 with chucking spare 62 in, joint sleeve 622 warp and inserts in adapter sleeve 61, adapter sleeve 61 inlays and locates in annular 6221, make insert tube 44 fixed, adapter sleeve 61, sealing washer 7 and insert tube 44 all butt on the face of the different ladder departments of ladder face 23, accomplish the installation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a RO pump, includes the pump body (1), base (3) and pump cover (2), pump body (1) fixed connection is in one side of base (3), pump cover (2) fixed connection is in one side of the pump body (1), be equipped with water inlet (21) and delivery port (22), its characterized in that on pump cover (2): the pump cover is characterized by further comprising two connecting pipes (4), wherein the two connecting pipes (4) are connected with the pump cover (2), each connecting pipe (4) comprises a first straight pipe (41), and the two first straight pipes (41) are communicated with the water inlet (21) and the water outlet (22) respectively.

2. A RO pump according to claim 1, wherein: the connecting pipe (4) further comprises a second straight pipe (42) and an elbow pipe (43), the elbow pipe (43) is fixedly connected to one end, away from the pump cover (2), of the first straight pipe (41) and communicated with one another, and the second straight pipe (42) is parallel to the first straight pipe (41) and communicated with one end, away from the first straight pipe (41), of the elbow pipe (43).

3. A RO pump according to claim 1 or claim 2, wherein: one end of the first straight pipe (41) close to the pump cover (2) is provided with a connector (5) and two, one end of the connector (5) is respectively penetrated through the water inlet (21) and the water outlet (22) and is fixedly connected with the inner side wall of the water inlet (21) and the water outlet (22), and the other end of the connector (5) is sleeved on the first straight pipe (41) and is communicated with the first straight pipe (41).

4. A RO pump according to claim 1 or claim 2, wherein: the connecting pipe (4) further comprises an inserting pipe (44), the inserting pipe (44) is fixedly connected to one end, close to the pump cover (2), of the first straight pipe (41), and the two inserting pipes (44) penetrate through the water inlet (21) and the water outlet (22) respectively.

5. A RO pump according to claim 4, characterized in that: all be equipped with adapter sleeve (61), two on the inside wall of water inlet (21) and delivery port (22) adapter sleeve (61) fixed connection respectively is on the inside wall of water inlet (21) and delivery port (22), the one end that first straight tube (41) were kept away from in adapter sleeve (61) and with adapter sleeve (61) joint is worn to locate in insert tube (44).

6. A RO pump according to claim 5, characterized in that: the cover is equipped with chucking spare (62) on insert tube (44), chucking spare (62) include go-between (621) and joint cover (622), joint cover (622) fixed connection is on go-between (621), one side that joint cover (622) fixed connection is close to water inlet (21) in go-between (621), be equipped with on joint cover (622) and supply connecting sleeve (61) to inlay annular (6221) of establishing, the both ends of connecting sleeve (61) butt respectively on the double-phase relative lateral wall of annular (6221).

7. A RO pump according to claim 6, characterized in that: a plurality of deformation grooves (6222) are arranged on the clamping sleeve (622), and the deformation grooves (6222) penetrate through one side, far away from the connecting ring (621), of the clamping sleeve (622).

8. A RO pump according to claim 6, characterized in that: the inner side wall of the connecting sleeve (61) is provided with two guide surfaces (611), and the two guide surfaces (611) are respectively arranged at two ends of the connecting sleeve (61).

9. A RO pump according to claim 6, characterized in that: one side, far away from the first straight pipe (41), of the inserting pipe (44) is sleeved with a sealing ring (7), and the sealing ring (7) abuts against one side, far away from the connecting ring (621), of the clamping sleeve (622).

10. A RO pump according to claim 6, characterized in that: water inlet (21) and delivery port (22) all are equipped with ladder face (23), adapter sleeve (61), sealing washer (7) and insert tube (44) all butt on the lateral wall of the different ladder departments of ladder face (23).