CN218543308U - Novel flow limiting valve and water purifier - Google Patents
Novel flow limiting valve and water purifier Download PDFInfo
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- CN218543308U CN218543308U CN202222067133.3U CN202222067133U CN218543308U CN 218543308 U CN218543308 U CN 218543308U CN 202222067133 U CN202222067133 U CN 202222067133U CN 218543308 U CN218543308 U CN 218543308U
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Abstract
The utility model relates to a component in water purification equipment, and discloses a novel flow limiting valve and a water purifier, which comprises a valve body (10), wherein the valve body (10) is provided with a water inlet flow passage (101) and a water outlet flow passage (102), a valve core (11) is arranged in the valve body (10), the valve core (11) is provided with a water passing flow passage (111), and the water inlet flow passage (101) is communicated with the water outlet flow passage (102) through the water passing flow passage; the valve core (11) is provided with a flow regulating piece (12) used for limiting the liquid flow of the water passing flow channel (111), the water passing flow channel (111) and the flow regulating piece (12) form a flow limiting opening (100), and the opening size of the flow limiting opening is gradually reduced along with the downward deformation of the edge part of the flow regulating piece (12). The traditional electromagnetic actuating mechanism is omitted, and the opening degree of the flow limiting opening is controlled by controlling the flow of water inlet, so that the same effect as that of a flushing battery valve is achieved under the condition of no energization.
Description
Technical Field
The utility model relates to a part among the water purification unit especially relates to a novel restriction valve and water purifier.
Background
A conventional reverse osmosis water purifier uses a flushing solenoid valve, for example, an inlet valve with a flow meter of application No. CN201810669096.9 and a water purifier thereof, wherein the flushing solenoid valve is one of core components of the reverse osmosis water purifier and plays a role in maintaining a certain working pressure of a reverse osmosis membrane and flushing the reverse osmosis membrane in time.
The traditional flushing solenoid valve comprises a valve body, a valve core and an actuating mechanism, wherein a flow channel with a water inlet and a water outlet is arranged in the valve body, an annular partition plate is arranged in the valve body, the flow channel is divided into a middle flow channel and an annular flow channel which are positioned in the center and communicated with the water outlet by the annular partition plate, the middle flow channel and the annular flow channel are communicated with the water inlet, an opening in the end part of the annular partition plate, facing the valve core, serves as a water sealing opening, the actuating mechanism fixes the valve body and drives the valve core to move to form a valve core, the valve core is far away from the water sealing opening or is in sealing fit with the water sealing opening, and the effect of closing the switch of the flushing solenoid valve is formed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a shortcoming among the prior art, provide a novel restriction valve and water purifier.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a novel flow limiting valve comprises a valve body, wherein a water inlet flow channel and a water outlet flow channel are arranged on the valve body, a valve core is arranged in the valve body, a water passing flow channel is arranged on the valve core, and the water inlet flow channel is communicated with the water outlet flow channel through the water passing flow channel; the valve core is provided with a flow regulating part for limiting the liquid flow of the overflow channel, the overflow channel and the flow regulating part form a flow limiting opening, and the size of the opening of the flow limiting opening is gradually reduced along with the downward deformation of the edge part of the flow regulating part. The traditional electromagnetic actuating mechanism is omitted, and the opening degree of the flow limiting opening is controlled by controlling the flow of water inlet, so that the same effect as that of a battery flushing valve is achieved under the condition of no energization.
Preferably, the inner wall of the valve body is provided with a supporting part for supporting the valve core, the supporting part is provided with a through hole, and the water passing flow channel is communicated with the water outlet flow channel through the through hole. The supporting part is used for supporting the valve core, so that the valve core is arranged at the set position of the valve body.
Preferably, the flow regulating part is an umbrella-shaped elastic sealing part, the flow regulating part is integrated, the flow regulating part comprises a deformation umbrella part and a limiting shaft part, and a flow limiting opening is formed between the deformation umbrella part and the water flowing channel. The deformation umbrella part can deform under the impact of water flow, so that the opening and closing degree of the flow limiting opening is adjusted.
Preferably, the upper end of the valve core is provided with an upper groove, the bottom surface of the upper groove is an upwards arched conical surface, the center of the upper groove is provided with a mounting hole for mounting the limiting shaft part, the conical surface is provided with at least 1 water passing hole communicated with the water outlet channel, the deformation umbrella part deforms and gradually seals the water passing holes, and a flow limiting port is formed between the lower end surface of the deformation umbrella part and the conical surface. The flow regulating part is stably installed on the valve core through the limiting shaft part, and the deformation umbrella part deforms downwards under the impact of water flow, so that the sealing surface of the deformation umbrella part forms a conical surface, and the conical surface of the bottom surface of the upper groove can be better matched with the sealing surface of the deformation umbrella part.
Preferably, the lower end part of the valve core is provided with a lower groove communicated with the water outlet flow channel, each water passing hole is communicated with the lower groove, a support plate is arranged between the upper groove and the lower groove, the upper end surface of the support plate is the bottom surface of the upper groove, the lower end surface of the support plate is the bottom surface of the lower groove, a support barrel extending towards the lower groove is integrally formed on the lower end surface of the support plate, and the limiting shaft part is installed on the support barrel through an installation hole. The support cylinder extends the depth of the mounting hole, so that the flow regulating part can be stably mounted on the valve core.
Preferably, the limiting shaft part is provided with an annular limiting groove, and the supporting cylinder of the supporting plate is limited and installed on the limiting groove. The limiting shaft part of the flow regulating part and the supporting barrel form a limiting relation, so that the flow regulating part cannot move up and down, and the stability of the flow regulating part on the valve core is good.
Preferably, the projected shape of the ports of the upper and lower grooves is circular, and the diameter of the port of the upper groove is larger than that of the port of the lower groove. The upper groove with the large caliber is convenient for installing the flow regulating piece, so that the deformation umbrella part and the groove bottom of the upper groove can form a flow limiting opening.
Preferably, an annular groove is formed in the outer wall of the valve core, and a sealing ring for sealing with the valve body is installed in the annular groove.
Preferably, the valve comprises an end cover, the end cover covers the valve body, a step hole is formed in the valve body, the end cover is an integrated end cover, the end cover comprises an upper connector and a lower connector, and the lower connector extends into the upper hole of the step hole and is in sealing connection with the upper hole. The end cover covers and the valve body form a cavity for installing the valve core, and the upper joint is externally connected with a water inlet pipe; the lower joint enables the end cover to be stably installed in the valve body.
A water purifier comprises a novel flow limiting valve.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect:
by controlling the flow of the water entering the flow-limiting valve, the same effect as that of the flushing electromagnetic valve is achieved under the condition of no power supply. When the inlet water flows in through the water inlet channel, the water passing channel is opened, and the inlet water normally passes through the water passing channel; when the inflow water flow is higher than the set flow, the umbrella-shaped flow adjusting part is pushed to deform and press the water through holes below the flow adjusting part, so that inflow water cannot pass through the flow adjusting part, and the flow limiting effect is achieved. The flow limiting valve can accurately regulate and control the opening flow of the valve by adjusting the angle between the sealing surface of the flow regulating part and the conical surface of the valve core. The mechanism is simple and reliable, the electric control is reduced, the safety is higher, and the use and manufacturing cost of the flushing electromagnetic valve is lower.
Drawings
Fig. 1 is a schematic structural view of the flow rate adjusting member of the present invention in an open state.
Fig. 2 is a schematic structural view of the flow rate adjusting member of the present invention in a closed state.
Fig. 3 is a schematic view of the valve cartridge of fig. 1.
Fig. 4 is a schematic view of the structure of the flow regulating member of fig. 1.
The names of the parts indicated by the numerical references in the above figures are as follows:
10-valve body, 101-water inlet channel, 102-water outlet channel, 103-, 104-through hole and 105-upper hole
11-valve core, 111-water flowing channel, 112-upper groove, 113-conical surface, 114-mounting hole, 115-water passing hole, 116-lower groove, 117-supporting plate, 118-supporting cylinder and 119-annular groove
12-flow regulating part, 121-deformation umbrella part, 122-limiting shaft part, 123-limiting groove
13-end cap, 131-top joint, 132-bottom joint
14-sealing ring
100-restriction
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-4 and examples.
Example 1
A novel flow limiting valve comprises a valve body 10, wherein a water inlet flow passage 101 and a water outlet flow passage 102 are arranged on the valve body 10, a valve core 11 is installed in the valve body 10, a water passing flow passage 111 is arranged on the valve core 11, and the water inlet flow passage 101 is communicated with the water outlet flow passage 102 through the water passing flow passage 111; the valve core 11 is provided with a flow regulating member 12 for limiting the flow of the liquid in the water flowing channel 111, the flow regulating member 12 is made of rubber, and the flow regulating member 12 can deform under the impact of the water flow. The flow passage 111 and the flow regulating member 12 form a restrictor 100, and the size of the opening of the restrictor 100 gradually decreases as the edge portion of the flow regulating member 12 deforms downward. The novel flow limiting valve achieves the same effect as a flushing solenoid valve under the condition of no energization by controlling the flow of inlet water of the flow limiting valve, when the inlet water flows through the inlet water channel 101, the water passing channel 111 is opened, and the inlet water normally passes through the inlet water channel and can be used as a function of flushing a reverse osmosis membrane; when the inflow water flow is higher than the set flow, the umbrella-shaped flow adjusting part 12 is pushed to deform to press and seal the water through hole 115 below the flow adjusting part 12, so that inflow water cannot pass through, the flow limiting effect is achieved, and the reverse osmosis membrane can be used for keeping a certain working pressure of the reverse osmosis membrane.
The inner wall of the valve body 10 is provided with a support part 103 for supporting the valve core 11, the support part 103 is integrally formed on the side wall of the valve body 10, the support part 103 is provided with a through hole 104, the through hole 104 is arranged at the middle position of the support part 103, and the water passing flow passage 111 is communicated with the water outlet flow passage 102 through the through hole 104.
The flow regulating part 12 is an umbrella-shaped elastic sealing element, the flow regulating part 12 is integrated, the flow regulating part 12 comprises a deformation umbrella part 121 and a limit shaft part 122, the limit shaft part 122 and the deformation umbrella part 121 are integrally injection-molded, and a flow limiting opening 100 is formed between the lower end surface of the deformation umbrella part 121 and the water flowing channel 111.
The upper end of the valve core 11 is provided with an upper groove 112, the bottom surface of the upper groove 112 is an upwardly arched conical surface 113, the center of the upper groove 112 is provided with an installation hole 114 for installing a limiting shaft part 122, the conical surface 113 is provided with at least 1 water through hole 115 communicated with the water outlet flow channel 102, and the number of the water through holes 115 is 5 in the embodiment. When the inflow amount is higher than the set flow amount, the deformable umbrella part 121 deforms and gradually seals the water through hole 115, and a flow restriction opening 100 is formed between the lower end surface of the deformable umbrella part 121 and the conical surface 113.
The lower end part of the valve core 11 is provided with a lower groove 116 communicated with the water outlet flow channel 102, each water passing hole 115 is communicated with the lower groove 116, a support plate 117 is arranged between the upper groove 112 and the lower groove 116, the support plate 117 and the valve core 11 are integrated, the upper end surface of the support plate 117 is the bottom surface of the upper groove 112, the lower end surface of the support plate 117 is the bottom surface of the lower groove 116, a support cylinder 118 which extends towards the direction of the lower groove 116 is integrally formed on the lower end surface of the support plate 117, a limiting shaft part 122 is installed on the support cylinder 118 through an installation hole 114, and the limiting shaft part 122 is installed on the central axis of the valve core 11, so that the limiting shaft part 122 is positioned at the central position of the valve core 11.
The limiting shaft part 122 is provided with an annular limiting groove 123, and the supporting cylinder 118 of the supporting plate 117 is limited and installed on the limiting groove 123. The limit shaft part 122 of the flow regulating part 12 and the support cylinder 118 form a limit relationship, so that the flow regulating part 12 does not move up and down, and the stability of the flow regulating part 12 on the valve core 11 is good.
An annular groove 119 is formed in the outer wall of the valve element 11, a sealing ring 14 for sealing with the valve body 10 is installed in the annular groove 119, water in the water inlet flow passage 101 can only flow into the water outlet flow passage 102 through the water outlet flow passage 111, and the sealing ring 14 ensures that water cannot flow into the water outlet flow passage 102 from a gap between the valve body 10 and the valve element 11.
The novel flow limiting valve comprises an end cover 13, wherein the end cover 13 covers the valve body 10, the end cover 13 is in threaded connection with the valve body 10, a step hole is formed in the valve body 10, the end cover 13 is installed on the valve body 10 in a limiting mode through the step hole, the end cover 13 is an integrated end cover, the end cover 13 comprises an upper connector 131 and a lower connector 132, and the lower connector 132 extends into the upper hole 105 of the step hole and is in sealed connection with the upper hole.
Example 2
The embodiment 2 has substantially the same features as the embodiment 1, except that the projected port shapes of the upper groove 112 and the lower groove 116 are both circular, the port diameter of the upper groove 112 is larger than that of the lower groove 116, and the large-diameter upper groove 112 facilitates installation of the flow rate adjusting member 12, so that the deformable umbrella portion 121 and the groove bottom of the upper groove 112 can form the flow restriction orifice 100.
Example 3
A water purifier comprising the novel flow restriction valve of embodiment 1 or 2.
Claims (10)
1. A novel flow limiting valve comprises a valve body (10), wherein a water inlet flow channel (101) and a water outlet flow channel (102) are arranged on the valve body (10), a valve core (11) is installed in the valve body (10), a water passing flow channel (111) is arranged on the valve core (11), and the water inlet flow channel (101) is communicated with the water outlet flow channel (102) through the water passing flow channel (111); the method is characterized in that: the valve core (11) is provided with a flow regulating piece (12) for limiting the liquid flow of the water passing flow channel (111), the water passing flow channel (111) and the flow regulating piece (12) form a flow limiting opening (100), and the size of the opening of the flow limiting opening (100) is gradually reduced along with the downward deformation of the edge part of the flow regulating piece (12).
2. The novel flow limiting valve of claim 1, wherein: the inner wall of the valve body (10) is provided with a supporting part (103) for supporting the valve core (11), the supporting part (103) is provided with a through hole (104), and the water passing flow channel (111) is communicated with the water outlet flow channel (102) through the through hole (104).
3. The novel flow limiting valve of claim 1, wherein: the flow regulating part (12) is an umbrella-shaped elastic sealing part, the flow regulating part (12) is integrated, the flow regulating part (12) comprises a deformation umbrella part (121) and a limiting shaft part (122), and a flow limiting opening (100) is formed between the deformation umbrella part (121) and the water flowing channel (111).
4. The novel flow restriction valve of claim 3, wherein: the upper end of the valve core (11) is provided with an upper groove (112), the bottom surface of the upper groove (112) is an upwards arched conical surface (113), the center of the upper groove (112) is provided with a mounting hole (114) for mounting a limiting shaft part (122), the conical surface (113) is provided with water passing holes (115) which are at least 1 and communicated with the water outlet flow channel (102), the deformation umbrella part (121) deforms and gradually seals the water passing holes (115), and a flow limiting port (100) is formed between the lower end surface of the deformation umbrella part (121) and the conical surface (113).
5. The novel flow-limiting valve of claim 4, wherein: the lower end part of the valve core (11) is provided with a lower groove (116) communicated with the water outlet flow channel (102), each water passing hole (115) is communicated with the lower groove (116), a support plate (117) is arranged between the upper groove (112) and the lower groove (116), the upper end surface of the support plate (117) is the bottom surface of the upper groove (112), the lower end surface of the support plate (117) is the bottom surface of the lower groove (116), a support barrel (118) extending towards the lower groove (116) is integrally formed on the lower end surface of the support plate (117), and the limiting shaft part (122) is installed on the support barrel (118) through a mounting hole (114).
6. The novel flow limiting valve of claim 4, wherein: an annular limiting groove (123) is formed in the limiting shaft part (122), and the supporting barrel (118) of the supporting plate (117) is installed on the limiting groove (123) in a limiting mode.
7. The novel flow-limiting valve of claim 4, wherein: the port projection shapes of the upper groove (112) and the lower groove (116) are both circular, and the port diameter of the upper groove (112) is larger than that of the lower groove (116).
8. The novel flow limiting valve of claim 4, wherein: an annular groove (119) is formed in the outer wall of the valve core (11), and a sealing ring (14) used for sealing with the valve body (10) is installed in the annular groove (119).
9. A novel flow restriction valve according to any of claims 1-8, characterized in that: including end cover (13), on end cover (13) lid closed valve body (10), be equipped with the step hole on valve body (10), end cover (13) formula end cover as an organic whole, end cover (13) are including top connection (131) and lower clutch (132), and upper orifice (105) in step hole and rather than sealing connection are stretched into in lower clutch (132).
10. A water purifier is characterized in that: comprising the novel constrictor valve of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222067133.3U CN218543308U (en) | 2022-08-05 | 2022-08-05 | Novel flow limiting valve and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222067133.3U CN218543308U (en) | 2022-08-05 | 2022-08-05 | Novel flow limiting valve and water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218543308U true CN218543308U (en) | 2023-02-28 |
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ID=85268672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222067133.3U Active CN218543308U (en) | 2022-08-05 | 2022-08-05 | Novel flow limiting valve and water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218543308U (en) |
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2022
- 2022-08-05 CN CN202222067133.3U patent/CN218543308U/en active Active
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