CN210344389U - Switch throttling valve core with water feeding function - Google Patents

Abstract

The utility model discloses a switch throttle case with water feeding function, which comprises a housin, a handle, the dynamic valve piece, decide valve block and base, be provided with a pair of intercommunication groove one and at least one intercommunication groove two on the dynamic valve piece, it is provided with inhalant canal one on the valve block to decide, inhalant canal two, exhalant canal one and exhalant canal two, it still is provided with a pair of water feeding groove still to decide valve block upper surface, water feeding groove communicates inhalant canal one and inhalant canal two respectively, the exhalant canal one of deciding valve block upper surface sets up the anticlockwise at inhalant canal one, the exhalant canal two of deciding valve block upper surface set up the anticlockwise at inhalant canal two, when the case is in the closed condition, intercommunication groove one is in inhalant canal one or the outside of the clockwise of inhalant canal two. The valve core can be used on the water faucet with the mixed water outlet facing downwards, realizes the functions of switch throttling and water feeding, and has better pressure resistance.

Description

Switch throttling valve core with water feeding function

Technical Field

The utility model relates to a case, in particular to switch throttle case with water feeding function.

Background

In the bathroom industry, the arrangement mode of cold and hot water pipes in a wall body is left hot and right cold, namely, a water outlet channel of a hot water pipe is arranged on the left side of the wall body, and a water outlet channel of a hot water pipe is arranged on the right side of the wall body.

Chinese patent No. 201320194478.3 discloses a water tap, wherein a thermostatic valve core cavity 3 and a mixed water outlet 4 of the water tap are arranged at the upper and lower sides of the lower part of the valve core cavity of the switch, a cold water inlet hole 6 and a hot water inlet hole 5 are arranged at the left and right sides of the lower part of the valve core cavity of the switch, the whole structure of the water tap is simple, and the control of the water outlet temperature and the water outlet flow can be realized. When the water faucet is installed, the main body seat is fixed on the wall surface, the two water inlet holes in the switch valve core cavity face one side respectively, and due to the reason that pipelines in the wall body are arranged, the water inlet at the left side of the switch valve core cavity is a hot water inlet hole 5, and the water inlet at the right side of the switch valve core cavity is a cold water inlet hole 6. Because the cold water inlet of the common thermostatic valve core is close to the front end of the thermostatic valve core cavity 3, the hot water inlet 5 is close to the bottom of the thermostatic valve core cavity 3. The mixed water outlet 4 of the water faucet faces upwards and downwards according to the use requirement.

As shown in fig. 1, when the mixed water outlet 4 faces downward and the opening of the thermostatic valve core chamber 3 faces upward, the water outlet hole on the upper side of the switching valve core chamber is a cold water outlet hole 8, and the water outlet hole on the lower side of the switching valve core chamber is a hot water outlet hole 7. As shown in fig. 2, when the mixed water outlet 4 faces upward and the opening of the thermostatic valve core chamber 3 faces downward, the water outlet hole on the upper side of the switching valve core chamber is a hot water outlet hole 7, and the water outlet hole on the lower side of the switching valve core chamber is a cold water outlet hole 8.

Chinese patent No. 201210435620.9 discloses a ceramic valve core with switch throttling and water feeding functions and a thermostatic valve with the valve core exclusively, wherein the valve core has water feeding and switch throttling functions, but the water outlet channel of the valve core is arranged in the clockwise direction of the water inlet channel and can only be used on a valve body with a mixed water outlet facing upwards and a thermostatic valve core cavity opening facing downwards. If the relative position of this switch throttle water feeding valve core and tap valve body bottom surface is adjusted, make the delivery port of case and the cold water import or the hot water import intercommunication on the valve body, the water inlet on the case communicates with hot water export or the cold water export on the valve body simultaneously, though can realize switch throttle function like this, but also has certain problem: 1. the water feeding function can not be realized; 2. when the valve core is in a closed state, the communicating groove on the movable valve plate is communicated with cold water inlet or hot water inlet, and the cold water inlet and the hot water inlet are both provided with pressure, so that the movable valve plate is under the action of water pressure, and the whole pressure resistance of the water faucet is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a switch throttle case with water feeding function can use on this kind of tap of mixed water export orientation below, realizes switch throttle and water feeding function, has better pressure resistance simultaneously.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a switch throttle valve core with water feeding function, which comprises a housin, the handle, the dynamic valve piece, fixed valve block and base, be provided with a pair of intercommunication groove one and at least one intercommunication groove two on the dynamic valve piece, be provided with inhalant canal one on the fixed valve piece, inhalant canal two, exhalant canal one and exhalant canal two, the fixed valve piece upper surface still is provided with a pair of water feeding groove, water feeding groove communicates inhalant canal one and inhalant canal two respectively, the exhalant canal one of fixed valve piece upper surface sets up the anticlockwise of inhalant canal one, the exhalant canal two of fixed valve piece upper surface sets up the anticlockwise of inhalant canal two, when the case is in the closed condition, intercommunication groove one is in the outside of the clockwise of inhalant canal one or inhalant canal two.

Through the technical scheme, the first water outlet channel is arranged in the anticlockwise direction of the first water inlet channel, and the second water outlet channel is arranged in the anticlockwise direction of the first water inlet channel and can correspond to the positions of the water inlet and the water outlet in the valve core cavity of the switch valve of the water faucet valve body, so that the functions of water feeding and throttling by opening and closing are realized. When the valve core is closed, the first communicating groove is located on the outer side of the first water inlet channel or the second water inlet channel in the clockwise direction, the first communicating groove is not communicated with the first water inlet channel or the second water inlet channel when the valve core is closed, water pressure in the first water inlet channel and the second water inlet channel cannot act on the communicating groove, therefore, the pressure area can be reduced, the force applied to the movable valve plate under the same water pressure and separated from the fixed valve plate in the attaching state is reduced, and the pressure bearing capacity of the valve core in the closing state is improved. Meanwhile, the first communicating groove is formed in the position, the valve core is opened when the movable valve plate rotates anticlockwise, and the valve core is filled with water when the movable valve plate rotates clockwise, so that the use habit in the industry is met.

Preferably, the movable valve plate and the fixed valve plate are concentrically arranged, the movable valve plate and the fixed valve plate rotate relatively, the first water inlet channel and the second water inlet channel are symmetrical about the circle center of the fixed valve plate, the first water outlet channel and the second water outlet channel are symmetrical about the circle center of the fixed valve plate, the first two communicating grooves are symmetrical about the circle center of the movable valve plate, and the second two communicating grooves are symmetrical about the circle center of the movable valve plate.

Through above-mentioned technical scheme, can realize the control to two water routes in step, increase simultaneously or reduce the through-flow area in two water routes to change the flow in two water routes.

Preferably, the water feeding groove is located in the opposite middle of the fixed valve plate, the first water inlet channel, the second water inlet channel, the first water outlet channel and the second water outlet channel are located on the outer side of the middle of the fixed valve plate, the second communication groove is located in the middle of the movable valve plate corresponding to the water feeding groove, and the first communication groove is located on the outer side of the middle of the movable valve plate corresponding to the first water inlet channel, the second water inlet channel, the first water outlet channel and the second water outlet channel.

Through the technical proposal, the method has the advantages that,

preferably, a water inlet groove is formed in the lower surface of the fixed valve plate and communicated with the lower end of the first water inlet channel or the lower end of the second water inlet channel, and a water inlet hole communicated with the water inlet groove is formed in the base.

Through above-mentioned technical scheme, can change and increase the position and the area of the inlet opening on the case base through the setting of recess of intaking to make the inlet opening position of case bottom obtain changing, thereby make the inlet opening can adapt to the valve body that more inlet opening positions are different.

Preferably, a water outlet groove is further formed in the lower surface of the fixed valve plate and communicated with the first water outlet channel or the second water outlet channel, and a water outlet hole communicated with the water outlet groove is formed in the base.

Through above-mentioned technical scheme, the setting of play water recess can change and increase the position and the area of the apopore on the case base to make this case have better adaptability, can both use to the switch case chamber of inlet outlet position difference.

Preferably, the water feeding groove is arc-shaped, and the communication groove II is also arc-shaped; or the water feeding grooves are strip-shaped, the length of one water feeding groove is greater than that of the other water feeding groove, the communication groove II is also strip-shaped, and one end of the communication groove II is positioned in the center of the movable valve plate and is communicated with the longer water feeding groove.

Through above-mentioned technical scheme, the recess of watering can set the arc to, sets the intercommunication groove two to the arc simultaneously to can obtain great through-flow area when making intercommunication groove two and the recess intercommunication of watering. And meanwhile, the water feeding grooves and the communicating grooves II can also be arranged into strips, and when the valve core is in a water feeding state, the communicating grooves II are communicated with the two water feeding grooves, so that water feeding is realized.

Preferably, the handle is provided with a mounting hole, a positioning piece is mounted in the mounting hole, and the inner wall of the shell is provided with a positioning groove.

Through above-mentioned technical scheme, setting up of setting element and constant head tank can carry out accurate location to the relative position of moving valve block and fixed valve block, and when the setting element was in the constant head tank, the case just was in the sail, opens totally or closed condition.

Preferably, the upper surface of the movable valve plate and the lower surface of the fixed valve plate are provided with clamping grooves, and the edge of the lower end of the handle and the upper surface of the base are provided with clamping teeth inserted into the clamping grooves.

Through above-mentioned technical scheme, can realize torque transmission between dynamic valve piece and the handle comparatively conveniently, realize circumferential direction simultaneously. Simultaneously the fixed valve plate can be fixed on the base in the circumferential direction.

Preferably, two limit blocks are arranged in the shell, the handle is provided with a positioning block, and the positioning block is located between the two limit blocks.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up the counter-clockwise at inhalant canal with exhalant canal, make intercommunication groove one be in inhalant canal's clockwise outside when the case is in the closed condition simultaneously to make this case can use in this kind of tap of mixed water export orientation below. When the valve core is closed, the first communicating groove is located on the outer side of the water inlet channel in the clockwise direction and is not communicated with the water inlet channel, and therefore the problem that when the valve core is in a closed state, water pressure acts in the first communicating groove, a large pressure area is formed in the movable valve plate, and the pressure bearing capacity of the valve core is poor is solved.

Drawings

FIG. 1 is a schematic view showing the position of a water inlet and outlet in a cavity of a switch valve core when mixed water is facing downward;

FIG. 2 is a schematic view of the position of the water inlet and outlet in the cavity of the switch valve element with the mixed water facing upward;

FIG. 3 is an exploded view of the valve cartridge according to the first embodiment;

FIG. 4 is a schematic structural view of an upper surface of a fixed valve plate according to an embodiment;

FIG. 5 is a schematic view of a lower surface of the stationary blade according to the first embodiment;

FIG. 6 is a schematic diagram of the upper surface of a middle acting valve plate according to an embodiment;

FIG. 7 is a schematic view of a lower surface of the movable valve plate according to the first embodiment;

FIG. 8 is a schematic diagram illustrating the relative positions of the movable valve plate and the fixed valve plate when the valve core is in the closed state according to the first embodiment;

FIG. 9 is a schematic diagram illustrating the relative positions of the movable valve plate and the fixed valve plate when the valve core is in the open state according to the first embodiment;

FIG. 10 is a schematic view showing the relative positions of the movable valve plate and the fixed valve plate when the valve core is in the water-feeding state according to the first embodiment;

FIG. 11 is a schematic view of the interior of the housing;

FIG. 12 is a schematic diagram illustrating an upper surface structure of the fixed valve plate according to the second embodiment;

FIG. 13 is a schematic view of a lower surface structure of the movable valve plate in the second embodiment;

FIG. 14 is a schematic diagram showing the relative positions of the movable valve plate and the fixed valve plate when the valve element is in the closed state according to the second embodiment;

FIG. 15 is a schematic diagram showing the relative positions of the movable valve plate and the fixed valve plate when the valve core is in the water-feeding state according to the second embodiment;

FIG. 16 is a schematic diagram showing the relative positions of the movable valve plate and the fixed valve plate when the valve core is in the connected state according to the second embodiment.

Reference numerals: 1. a hot water interface; 2. a cold water port; 3. a thermostatic valve core cavity; 4. a mixed water outlet; 5. a hot water inlet hole; 6. a cold water inlet hole; 7. a hot water outlet; 8. a cold water outlet; 9. a housing; 10. a handle; 11. a movable valve plate; 12. a fixed valve plate; 13. a base; 14. a first communicating groove; 15. a second communicating groove; 16. a first water inlet channel; 17. a water inlet channel II; 18. a first water outlet channel; 19. a second water outlet channel; 20. a water feeding groove; 21. a water inlet groove; 22. a water outlet groove; 23. a card slot; 24. clamping teeth; 25. mounting holes; 26. a positioning member; 27. positioning blocks; 28. positioning a groove; 29. and a limiting block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Embodiment I, a switch throttling valve core with water feeding function

A switch throttle valve core with a water feeding function comprises a shell 9, a handle 10, a movable valve plate 11, a fixed valve plate 12 and a base 13. The handle 10, the movable valve plate 11 and the fixed valve plate 12 are arranged between the shell 9 and the base 13 from top to bottom. The lower surface of the movable valve plate 11 is attached to and sealed with the upper surface of the fixed valve plate 12, a first water inlet channel 16, a second water inlet channel 17, a first water outlet channel 18 and a second water outlet channel 19 which penetrate through the fixed valve plate 12 are arranged on the fixed valve plate 12, two water feeding grooves 20 are formed in the upper surface of the fixed valve plate 12, and the two water feeding grooves 20 are respectively communicated with the first water inlet channel 16. The lower surface of the movable valve plate 11 is provided with a pair of first communication grooves 14 and at least one second communication groove 15. The base 13 is provided with water inlets and water outlets corresponding to the water inlet channel I16, the water inlet channel II 17, the water outlet channel I18 and the water outlet channel II 19.

As shown in fig. 4 and 5, the fixed valve plate 12 is circular, the water supply groove 20 is located at a position of the upper surface of the fixed valve plate 12 opposite to the middle, the first water inlet channel 16, the second water inlet channel 17, the first water outlet channel 18 and the second water outlet channel 19 are located outside the water supply groove 20, one water supply groove 20 is communicated with the first water inlet channel 16, and the other water supply groove 20 is communicated with the second water inlet channel 17. The first water inlet channel 16 and the second water inlet channel 17 are symmetrical about the circle center of the movable valve plate 11, the first water outlet channel 18 and the second water outlet channel 19 are symmetrical about the circle center of the fixed valve plate 12, and the two water feeding grooves 20 are also symmetrical about the circle center of the fixed valve plate 12. The first water outlet channel 18 on the upper surface of the fixed valve plate 12 is positioned in the anticlockwise direction of the first water inlet channel 16, and the second water outlet channel 19 on the upper surface of the fixed valve plate 12 is positioned in the anticlockwise direction of the second water inlet channel 17. The lower surface of the fixed valve plate 12 is provided with a water inlet groove 21 and a water outlet groove 22, the water inlet groove 21 is communicated with the lower end of the first water inlet channel 16 or the second water inlet channel 17, and the water outlet groove 22 is communicated with the first water outlet channel 18 or the second water outlet channel 19. The area of the water inlet and outlet on the base 13 can be increased and the position of the water inlet and outlet can be changed by arranging the water outlet groove 22 and the water inlet groove 21, so that the position and the size of the water inlet and outlet are not limited under the water inlet channel and the water outlet channel, the application range of the valve core is wider, and the valve core can be installed in switch valve core cavities with different positions of the water inlet and outlet.

As shown in fig. 6 and 7, the lower surface of the movable valve plate 11 is provided with two first communication grooves 14 and two second communication grooves 15, the second communication grooves 15 are located at the positions of the opposite centers of the movable valve plate 11, and the first communication grooves 14 are located at the outer sides of the second communication grooves 15. The two first communication grooves 14 are symmetrical with respect to the circle center of the movable valve plate 11, and the two second communication grooves 15 are symmetrical with respect to the circle center of the movable valve plate 11.

The first communication groove 14 and the second communication groove 15 are both arc-shaped, and the water feeding groove 20 is also arc-shaped. When the valve core is in a closed state, the first communication groove 14 is positioned on the outer side of the first water inlet channel 16 or the second water inlet channel 17 in the counterclockwise direction and is not communicated with the first water inlet channel 16 or the second water inlet channel 17. At the moment, the first communication groove 14 is sealed with the upper surface of the fixed valve plate 12 in a fitting mode, and pressure water cannot enter the first communication groove 14, so that the pressure area of the movable valve plate 11 is reduced, and the pressure bearing capacity of the valve core is improved. When the movable valve plate 11 rotates counterclockwise from the valve core closed state, one communication groove 14 can communicate the water inlet channel 16 and the water outlet channel 18, and the other communication groove can communicate the water inlet channel 17 and the water outlet channel 19. When the movable valve plate 11 rotates clockwise from the valve core closed state, the two second communication grooves 15 are communicated with the two water feeding grooves 20 simultaneously, so that the water feeding function is realized. The two communicating grooves are communicated with the two water feeding grooves 20 simultaneously, so that the flow area during water feeding can be increased, and the water feeding speed is increased.

In addition, still be provided with mounting hole 25 on the handle 10, install spring and locating piece 26 in the mounting hole 25, the casing 9 inner wall is provided with constant head tank 28, and constant head tank 28 is three in quantity, and when locating piece 26 card was in constant head tank 28, the case was in and is closed, opens entirely and the state of watering. Meanwhile, two limit blocks 29 are arranged inside the shell 9, a positioning block 27 is arranged on the handle 10, when the handle 10 is installed in the shell 9, the positioning block 27 is located between the two limit blocks 29, and the limit blocks 29 limit the rotation range of the handle 10. The edge of the upper surface of movable valve plate 11 is provided with clamping groove 23, the edge of the lower surface of handle 10 is provided with latch 24, latch 24 can be blocked in clamping groove 23, thereby making to obtain circumference between movable valve plate 11 and the handle 10 and fixing, the edge of the lower surface of fixed valve plate 12 is also provided with clamping groove 23, the upper surface of base 13 is provided with latch 24, latch 24 is blocked in clamping groove 23, thereby making to obtain circumference between base 13 and the fixed valve plate 12 and fixing. While the base 13 is fixed to the lower end of the housing 9 by means of a snap fit.

When the valve core is in a closed state, the relative positions of the movable valve plate 11 and the fixed valve plate 12 are shown in fig. 8, wherein the dot-dash lines indicate the positions of the water inlet channel and the water outlet channel on the fixed valve plate 12 and the water feeding groove 20, the solid lines indicate the positions of the first communicating groove 14 and the second communicating groove 15 on the lower surface of the movable valve plate 11, and at this time, the first communicating groove 14 is located on the outer side of the water inlet channel in the clockwise direction and is not communicated with the water inlet channel. As shown in fig. 9, when the valve core is in the fully open state, one of the first communication channels is located above the first water inlet channel 16 and the first water outlet channel 18, and the other one of the first communication channels is located above the second water inlet channel 17 and the second water outlet channel 19. As shown in fig. 10, at this time, the valve core is in the water feeding state, and the two second communication grooves 15 are simultaneously communicated with the two water feeding grooves 20.

Second embodiment, a switch throttle valve core with water feeding function

The difference between the second embodiment and the first embodiment is that the upper water groove 20 in the second embodiment is strip-shaped, and the number of the second communication grooves 15 is one and also strip-shaped. The strip shape means that the length of the whole of the water feeding groove 20 and the communication groove II 15 is larger than or slightly larger than the width, the edges of the water feeding groove 20 and the communication groove along the length direction or the width direction are not required to be completely straight lines, and the edges can also be arc lines, broken lines or wavy lines.

As shown in fig. 12, the length of one of the water feeding grooves 20 on the upper surface of the fixed valve plate 12 is slightly greater than that of the other water feeding groove, and meanwhile, one end of the second communication groove 15 on the lower surface of the movable valve plate 11 is approximately located at the center of the movable valve plate 11, and the other end is located outside the center of the movable valve plate 11.

When the valve core is in a closed state, the relative positions of the movable valve plate 11 and the fixed valve plate 12 are shown in fig. 14, wherein the dotted line shows the position diagrams of the water inlet channel, the water outlet channel and the water feeding groove 20 on the upper surface of the fixed valve plate 12. When the movable valve plate 11 rotates counterclockwise, the valve core is in a water feeding state, and at the moment, two ends of the second communication groove 15 are respectively communicated with the two water feeding grooves 20. When the movable valve plate 11 rotates counterclockwise from the valve core closed state, as shown in fig. 16, at this time, the valve core is in a communication state, one communication groove one 14 communicates with the water inlet channel one 16 and the water outlet channel one 18, and the other communication groove one 14 communicates with the water inlet channel two 17 and the water outlet channel two 19.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims (9)

1. The utility model provides a switch throttle valve core with water feeding function, includes casing (9), handle (10), movable valve block (11), fixed valve block (12) and base (13), be provided with a pair of intercommunication groove one (14) and at least one intercommunication groove two (15) on movable valve block (11), be provided with inlet channel one (16) on fixed valve block (12), inlet channel two (17), outlet channel one (18) and outlet channel two (19), fixed valve block (12) upper surface still is provided with a pair of water feeding groove (20), water feeding groove (20) communicate inlet channel one (16) and inlet channel two (17) respectively, characterized by: the first water outlet channel (18) on the upper surface of the fixed valve plate (12) is arranged in the anticlockwise direction of the first water inlet channel (16), the second water outlet channel (19) on the upper surface of the fixed valve plate (12) is arranged in the anticlockwise direction of the second water inlet channel (17), and when the valve core is in a closed state, the first communication groove (14) is positioned on the outer side of the first water inlet channel (16) or the second water inlet channel (17) in the clockwise direction.

2. The on-off throttle valve cartridge with a water-filling function according to claim 1, wherein: the movable valve plate (11) and the fixed valve plate (12) are arranged concentrically, the movable valve plate (11) and the fixed valve plate (12) rotate relatively, the first water inlet channel (16) and the second water inlet channel (17) are symmetrical about the circle center of the fixed valve plate (12), the first water outlet channel (18) and the second water outlet channel (19) are symmetrical about the circle center of the fixed valve plate (12), the first two communication grooves (14) are symmetrical about the circle center of the movable valve plate (11), and the second two communication grooves (15) are symmetrical about the circle center of the movable valve plate (11).

3. The on-off throttle valve cartridge with a water-filling function according to claim 1, wherein: the water feeding groove (20) is located in the middle of the fixed valve plate (12), the water inlet channel I (16), the water inlet channel II (17), the water outlet channel I (18) and the water outlet channel II (19) are located on the outer side of the middle of the fixed valve plate (12), the communicating groove II (15) is located in the middle of the movable valve plate (11) corresponding to the water feeding groove (20), and the communicating groove I (14) is located on the outer side of the middle of the movable valve plate (11) corresponding to the water inlet channel I (16), the water inlet channel II (17), the water outlet channel I (18) and the water outlet channel II (19).

4. The on-off throttle valve cartridge with a water-filling function according to claim 1, wherein: a water inlet groove (21) is formed in the lower surface of the fixed valve plate (12), the water inlet groove (21) is communicated with the lower end of the first water inlet channel (16) or the lower end of the second water inlet channel (17), and a water inlet hole communicated with the water inlet groove (21) is formed in the base (13).

5. The on-off throttle valve cartridge with a water-feeding function according to claim 1 or 4, characterized in that: the lower surface of the fixed valve plate (12) is also provided with a water outlet groove (22), the water outlet groove (22) is communicated with the first water outlet channel (18) or the second water outlet channel (19), and the base (13) is provided with a water outlet hole communicated with the water outlet groove (22).

6. The on-off throttle valve cartridge with a water-filling function according to claim 1, wherein: the water feeding groove (20) is arc-shaped, and the communication groove II (15) is arc-shaped; or the water feeding grooves (20) are strip-shaped, the length of one water feeding groove (20) is greater than that of the other water feeding groove (20), the communicating groove II (15) is also strip-shaped, and one end of the communicating groove II (15) is always communicated with one water feeding groove (20).

7. The on-off throttle valve cartridge with a water-filling function according to claim 1, wherein: the handle (10) is provided with a mounting hole (25), a positioning piece (26) is mounted in the mounting hole (25), and the inner wall of the shell (9) is provided with a positioning groove (28).

8. The on-off throttle valve cartridge with a water-filling function according to claim 1, wherein: clamping grooves (23) are formed in the upper surface of the movable valve plate (11) and the lower surface of the fixed valve plate (12), and clamping teeth (24) inserted into the clamping grooves (23) are arranged on the edge of the lower end of the handle (10) and the upper surface of the base (13).

9. The on-off throttle valve cartridge with a water-filling function according to claim 1, wherein: two limit blocks (29) are arranged in the shell (9), a positioning block (27) is arranged on the handle (10), and the positioning block (27) is positioned between the two limit blocks (29).

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