CN215763371U - Press case - Google Patents

Abstract

The utility model discloses a press valve core, which comprises a shell, wherein a movable valve plate, a fixed valve plate and a button are arranged in the shell, and the press valve core is characterized in that: the water outlet device comprises a shell, a spring seat is installed in the shell, a spring is installed between the spring seat and a button, a driving plate is installed below the spring seat, a movable valve plate is circumferentially fixed on the driving plate, the button and the driving plate are in transmission connection through a transmission rod, the upper end of the transmission rod is connected with one side of the lower portion of the button, the lower end of the transmission rod penetrates through the spring seat to be connected with the driving plate, the transmission rod is arranged in an inclined mode, the upper end of the transmission rod moves downwards when the button is pressed down, the lower end of the transmission rod drives the driving plate to slide towards one side of a fixed valve plate, relative movement occurs between the movable valve plate and the fixed valve plate, and the water outlet state is changed. This press down case adopts new structure of pressing, and overall structure is simple, and processing equipment is convenient, is difficult for taking place the jamming when pressing.

Description

Press case

Technical Field

The utility model relates to a valve core, in particular to a pressing valve core.

Background

Existing taps and the like are located in equipment and generally control water flow by installing a valve core. The pressing valve core is a common water flow control device, and the water flow state is changed by pressing. Most of existing pressing valve cores are named as Chinese patent with patent number 201810128083.0, wherein the name of the Chinese patent is that the Chinese patent presses quick-opening ceramic valve cores, axial acting force when the pressing part presses a button is converted into circumferential acting force of a rotary driving plate through the button, a rotor and the driving plate, and the movable valve plate is driven to rotate relative to the fixed valve plate, so that the water outlet state of the valve cores is changed.

This kind of press the case and press partial overall structure comparatively complicacy, processing is inconvenient, all need set up the inclined plane of mutually supporting on to the epitheca inside, button lower part and rotor, converts fore-and-aft pressing force into rotor circumferential direction's power through the inclined plane. Meanwhile, when the inclined planes slide relatively, a large friction force is generated, and when the axes of the button, the rotor and the drive plate are not collinear with the axis of the upper shell, clamping stagnation even occurs in the pressing mode, so that the hand feeling during operation is seriously influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a pressing valve core which adopts a new pressing structure, has a simple integral structure and is not easy to generate clamping stagnation during pressing.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a press case, includes the casing, installs movable valve piece, fixed valve piece and button, characterized by in the casing: the water outlet device comprises a shell, a spring seat is installed in the shell, a spring is installed between the spring seat and a button, a driving plate is installed below the spring seat, a movable valve plate is circumferentially fixed on the driving plate, the button and the driving plate are in transmission connection through a transmission rod, the upper end of the transmission rod is connected with one side of the lower portion of the button, the lower end of the transmission rod penetrates through the spring seat to be connected with the driving plate, the transmission rod is arranged in an inclined mode, the upper end of the transmission rod moves downwards when the button is pressed down, the lower end of the transmission rod drives the driving plate to slide towards one side of a fixed valve plate, relative movement occurs between the movable valve plate and the fixed valve plate, and the water outlet state is changed.

Through the technical scheme, when the button is pressed down, the upper end of the transmission rod moves downwards, so that the lower end of the transmission rod is communicated with the driving plate to slide towards one side of the valve core, the movable valve plate moves relative to the fixed valve plate, and the water outlet state is changed. When the button is released, the spring resets to jack the button again, so that the upper end of the transmission rod moves upwards, and the lower end of the transmission rod drives the drive plate and the movable valve plate to reset to return to the original state. The transmission rod is obliquely arranged, namely, a connecting line of the upper end and the lower end of the transmission rod is not parallel to the pressing direction of the button (namely the axial direction of the valve core), and a certain included angle exists between the connecting line and the pressing direction. The force of pushing down the button is converted into the force of lateral sliding of the drive plate through the transmission rod arranged in an inclined mode, the transmission structure is simple, the number of parts is small, the assembly is convenient, the required pressing force is small in operation, the pressing hand feeling is good, and meanwhile clamping stagnation is not prone to occurring.

The transmission rod drives the movable valve plate to slide, the transmission structure is simple, the processing is convenient, the friction force is small, the operation hand feeling is good, and the blocking condition can not occur. The lower end of the transmission rod and the drive plate can be connected by adopting pin shaft connection, clamping connection, hinging connection and the like, so that the lower end of the transmission rod can push or pull the drive plate to slide on the upper surface of the fixed valve plate.

Preferably, when the upper end of the transmission rod moves upwards, the lower end of the transmission rod pulls the drive plate to reset.

Through above-mentioned technical scheme, the transfer line can promote the driver plate and slide, can pull the driver plate again and slide, when the button takes place to reset under the spring action, can drive the driver plate automatic re-setting to make the case resume initial state. After the arrangement, an additional reset mechanism or a component is not needed to be arranged in the valve core to reset the position of the drive plate.

Preferably, a clamping groove is formed in the lower surface of the drive plate, the lower end of the transmission rod extends into the clamping groove through a communication hole in the drive plate, and outwards protruding portions are arranged on two sides of the lower end of the transmission rod and clamped in the clamping groove.

Through above-mentioned technical scheme, the transfer line card can drive the driver plate and move to case center when the transfer line rebound in the draw-in groove, when the transfer line rebound, can drive the driver plate and move to the case edge.

Preferably, the upper surface of the drive plate is provided with a protruding portion, the clamping groove is arranged in the protruding portion, the lower portion of the spring seat is provided with a recessed portion, and the protruding portion is clamped into the recessed portion.

Through the technical scheme, on one hand, the transmission rod has a larger moving space when swinging up and down, and meanwhile, the overall height of the valve core is reduced, the material usage is reduced, and the cost is reduced. The convex part and the concave part are mutually matched, so that the sliding direction can be further limited.

Preferably, the spring seat is provided with a fixed column, and the spring is sleeved on the fixed column.

Through above-mentioned technical scheme, the spring housing is established on the fixed column, and after the spring mounting, the position is more stable, and phenomena such as difficult emergence bending avoid influencing the operation and feel or take place the jamming.

Preferably, a positioning block or a positioning groove for limiting the circumferential position of the button and/or the spring seat is arranged in the shell.

Through the technical scheme, the circumferential positions of the button and the spring seat can be conveniently determined, circumferential rotation of the button and the spring seat in the use process is avoided, the movable valve plate can slide along the design direction, and the accuracy of the matching position of the movable valve plate and the fixed valve plate is guaranteed.

Preferably, the lower end of the spring seat and the upper part of the drive plate are provided with a guide groove and a guide block which are matched with each other.

Through the technical scheme, the sliding direction of the drive plate can be further limited after the guide groove and the guide block are arranged, so that the drive plate can only slide along the set direction.

Preferably, the lower part of the button is provided with a mounting lug, and the upper end of the transmission rod is hinged with the mounting lug through a pin shaft.

Through the technical scheme, the upper end of the transmission rod can be stably and conveniently connected with the button.

Preferably, the casing includes lid and base, and lid and base inner chamber mutually support and form the installation cavity, and lid and base are connected through the buckle.

Through above-mentioned technical scheme, lid and base inner chamber mutually support and form the installation cavity, and movable valve block, fixed valve block, spring holder and driver plate are installed in the installation cavity. The casing divide into lid and base, and the components of a whole that can function independently setting, processing is comparatively convenient. Connect through the buckle between lid and the base, it is comparatively convenient to assemble, dismantle.

Preferably, the fixed valve plate is provided with a water inlet hole and/or a water outlet hole, and the movable valve plate is provided with a communicating groove.

Through above-mentioned technical scheme, can set up inlet opening or apopore on the fixed valve piece, also can set up an inlet opening and a apopore, perhaps two are the apopore. The movable valve plate is provided with a communicating groove, when the movable valve plate slides, the position of the communicating groove is changed, the communicating state of the communicating groove and the water inlet hole or the water outlet hole on the movable valve plate is changed, and therefore the water outlet state of the valve core is achieved.

Preferably, the bottom surface of the driving plate is provided with at least two clamping jaws, and the movable valve plate is provided with at least two clamping jaw grooves.

Through above-mentioned technical scheme, through the cooperation in jack catch and jack catch groove, can be comparatively conveniently with moving valve block and driver plate circumference fixed, make the driver plate can drive and move the valve block and slide.

Compared with the prior art, the utility model has the beneficial effects that: the sliding mode and the transmission mode of the movable valve plate are changed, so that the overall structure and the operation hand feeling of the pressing valve core are reduced, the clamping stagnation possibly generated in the pressing process of the valve core is reduced, the production cost is reduced, and the assembly is more convenient.

Drawings

FIG. 1 is a perspective view of an embodiment;

FIG. 2 is a schematic cross-sectional view of an embodiment;

FIG. 3 is an exploded view of an embodiment;

FIG. 4 is an exploded view of a button connecting portion in the embodiment;

FIG. 5 is a perspective view of the lower portion of the spring seat in the embodiment;

FIG. 6 is a schematic view showing the fitting positions of the transmission lever and the dial in the embodiment;

FIG. 7 is a perspective view of the lower surface of the dial in the embodiment;

FIG. 8 is a perspective view of the stationary blade in the embodiment;

FIG. 9 is a perspective view of a bottom surface of the movable valve plate in the embodiment;

FIG. 10 is a schematic diagram illustrating the positions of the movable and fixed valve plates when the button is not pressed in the embodiment;

FIG. 11 is a schematic diagram illustrating the positions of the movable and fixed valve plates when the button is pressed in the embodiment;

fig. 12 is a perspective view of the cover in the embodiment.

Reference numerals: 1. a housing; 2. a movable valve plate; 3. a fixed valve plate; 4. a button; 5. a spring seat; 6. a spring; 7. a dial; 8. a transmission rod; 9. a card slot; 10. a communicating hole; 11. a projection; 12. a boss portion; 13. a recessed portion; 14. fixing a column; 15. positioning blocks; 16. positioning a groove; 17. a guide groove; 18. a guide block; 19. mounting lugs; 20. a pin shaft; 21. a cover body; 22. a base; 23. a mounting cavity; 24. buckling; 25. a water inlet hole; 26. a water outlet hole; 27. a communicating groove; 28. a claw; 29. a jaw slot; 30. a water inlet; 31. and (7) a water outlet.

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 of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

As shown in fig. 1 to 12, the press valve core includes a housing 1, the housing 1 includes a cover 21 and a base 22, and the cover 21 and the base 22 are connected by a buckle 24. The inner cavities of the cover body 21 and the base 22 are hollow to form inner cavities, and the inner cavities of the cover body 21 and the base 22 are matched to form a mounting cavity 23. And a button 4, a spring seat 5, a drive plate 7, a movable valve plate 2 and a fixed valve plate 3 are arranged in the mounting cavity 23.

The lower part of the drive plate 7 extends downwards to form three clamping claws 28, the clamping claws 28 are evenly distributed on the circumference, three clamping claw grooves 29 are formed in the top of the movable valve plate 2, and the clamping claws 28 are clamped into the clamping claw grooves 29, so that the movable valve plate 2 and the drive plate 7 are fixed in the circumferential direction. The bottom of the inner cavity of the base 22 is provided with a clamping block, the edge of the fixed valve plate 3 is provided with a clamping block groove, and the fixed valve plate 3 and the base 22 are circumferentially fixed through the clamping block and the clamping block groove which are matched with each other. When the dial 7 moves, the movable valve plate 2 moves along with the dial 7. A transmission rod 8 is connected between the button 4 and the dial 7 in a transmission way. The upper end of the transmission rod 8 is connected with one side of the lower part of the button 4, and the lower end of the transmission rod 8 passes through a communication hole 10 on the spring seat 5 to be connected with the drive plate 7 in a transmission way. A spring 6 is mounted between the spring seat 5 and the push button 4. The spring 6 is used for pushing the button 4 to reset. The spring seat 5 is also provided with a fixed column 14, and the spring 6 is sleeved on the outer side of the fixed column 14 to avoid the displacement of the spring 6.

Two mounting lugs 19 are arranged on one side of the lower end of the button 4, and a pin shaft 20 penetrates through the mounting lugs 19 and the upper end of the transmission rod 8 to mount the upper end of the transmission rod 8 between the two mounting lugs 19. The upper end of the spring 6 is abutted against the middle of the button 4, thereby avoiding interference with the upper end of the transmission rod 8. The spring seat 5 below the mounting lug 19 is provided with a notch, and when the button 4 is pressed down, the mounting lug 19 moves downwards into the notch, so that the interference between the button 4 and the spring seat 5 is avoided. The lower surface of the drive plate 7 is provided with a clamping groove 9, and the lower end of the transmission rod 8 extends into the clamping groove 9 through a communication hole 10 on the drive plate 7. Two sides of the lower end of the transmission rod 8 are provided with outwards-protruding parts 11, and the protruding parts 11 are clamped at two ends of the clamping groove 9. The width of the outer side surface of the two projections 11 is larger than that of the communication hole 10. When the button 4 is pressed down, the upper end of the transmission rod 8 also moves downwards along with the button 4, meanwhile, as the transmission rod 8 is obliquely arranged, the lower end of the transmission rod 8 horizontally slides to one side far away from the upper end of the transmission rod 8, and simultaneously, the drive plate 7 and the fixed valve plate 3 are also driven to move towards the direction far away from the upper end of the transmission rod 8, so that the water outlet state of the valve core is changed. When the push button 4 is released, the push button 4 is moved upwards by the spring 6, which at the same time moves the upper end of the transmission rod 8 upwards. When the upper end of the transmission rod 8 moves upwards, the lower end of the transmission rod 8 horizontally slides towards the direction close to the upper end of the transmission rod 8, the drive plate 7 and the movable valve plate 2 are pulled to horizontally slide, the positions of the drive plate 7 and the movable valve plate 2 are changed, and the valve core is enabled to return to the original water outlet state.

The upper surface of the dial 7 is provided with a convex part 12 upwards, and the clamping groove 9 is arranged in the convex part 12. The arrangement of the protruding portion 12 may provide an installation space for the arrangement of the card slot 9. The bottom of the spring seat 5 is provided with a concave part 13, and the convex part 12 extends into the concave part 13 during installation. The upper end of the convex part 12 is attached to the top surface of the concave part 13, and the two parts can slide relatively. The provision of the recess 13 can reduce the overall height of the valve element.

A positioning block 15 for limiting the circumferential positions of the button 4 and the spring seat 5 is arranged in the shell 1, and positioning grooves 16 matched with the positioning block 15 are arranged on the button 4 and the spring seat 5. The positioning groove 16 and the positioning block 15 are matched to prevent the button 4 and the spring seat 5 from rotating circumferentially in the cover body 21, so that the accuracy of the matching position of the movable valve plate 2 and the fixed valve plate 3 is influenced.

The bottom of spring holder 5 still is provided with guide way 17, and the driver plate 7 upper portion is protruding have with guide way 17 complex guide block 18, and the setting of guide block 18 and guide way 17 can further restrict the slip direction of driver plate 7, guarantees that the slip direction of driver plate 7 is unanimous with the slip direction of transfer line 8 lower extreme to avoid button 4 to press or take place the jamming phenomenon when unclamping, the operation is felt more comfortablely when making to press, and it is more smooth and easy to reset.

Still set up inlet opening 25 and apopore 26 that run through fixed valve piece 3 on the fixed valve piece 3, be provided with water inlet 30 and delivery port 31 on the base 22, water inlet 30 and inlet opening 25 intercommunication, delivery port 31 and apopore 26 intercommunication. The movable valve plate 2 is provided with a communicating groove 27. The communication groove 27 is used for communicating the water inlet hole 25 and the water outlet hole 26. When the push button 4 is not pushed down, the positions of the movable valve plate and the fixed valve plate are shown in fig. 10, in which the thick solid line portion is used to indicate the position of the communication groove 27 on the bottom surface of the movable valve plate 2. At this time, the communication groove 27 is located above the water inlet hole 25 and the water outlet hole 26, so that the water inlet hole 25 is communicated with the water outlet hole 26, and the valve element normally discharges water. When the button 4 is pressed, as shown in fig. 11, the fixed valve plate 3 slides toward the fixed valve plate 3 side, so that the communication groove 27 is moved away from the upper end of the water inlet hole 25, the water inlet hole 25 and the water outlet hole 26 are not communicated, and the water flow is cut off. When the button 4 is released, the button 4 moves upwards under the action of the spring 6, and simultaneously, the drive rod 8 drives the drive plate 7 and the movable valve plate 2 to reset to restore the initial communication state. Install the sealing washer between fixed valve piece 3 and the base 22, install the sealing washer on the surface in the middle part of the base 22, also install the sealing washer on the water inlet to guarantee the sealed effect inside the case and when installing.

The above description is intended to be illustrative of the present invention and not to limit the scope of the utility model, which is defined by the claims appended hereto.

Claims (11)

1. The utility model provides a press case, includes casing (1), installs movable valve piece (2), fixed valve piece (3) and button (4) in casing (1), characterized by: install spring holder (5) in casing (1), install spring (6) between spring holder (5) and button (4), drive plate (7) are installed to spring holder (5) below, move valve block (2) circumference and fix on drive plate (7), carry out the transmission through transfer line (8) between button (4) and drive plate (7) and be connected, transfer line (8) upper end is connected with button (4) lower part one side, transfer line (8) lower extreme passes spring holder (5) and is connected with drive plate (7), transfer line (8) slope sets up, transfer line (8) upper end downwardly moving when pressing button (4), transfer line (8) lower extreme drives drive plate (7) and slides to fixed valve block (3) one side, make and take place relative movement between valve block (2) and the fixed valve block (3), change out the water state.

2. A pressure valve cartridge according to claim 1, wherein: when the upper end of the transmission rod (8) moves upwards, the lower end of the transmission rod (8) pulls the drive plate (7) to reset.

3. A pressure valve cartridge according to claim 2, wherein: the lower surface of the drive plate (7) is provided with a clamping groove (9), the lower end of the transmission rod (8) extends into the clamping groove (9) through a communication hole (10) in the drive plate (7), two sides of the lower end of the transmission rod (8) are provided with outwards convex bulges (11), and the bulges (11) are clamped in the clamping groove (9).

4. A pressure valve cartridge according to claim 3, wherein: the upper surface of the drive plate (7) is upwards provided with a convex part (12), the clamping groove (9) is arranged in the convex part (12), the lower part of the spring seat (5) is provided with a concave part (13), and the convex part (12) is clamped into the concave part (13).

5. A pressure valve cartridge according to claim 1, wherein: a fixed column (14) is arranged on the spring seat (5), and the spring (6) is sleeved on the fixed column (14).

6. A pressure valve cartridge according to claim 1, wherein: a positioning block (15) or a positioning groove (16) for limiting the circumferential position of the button (4) and/or the spring seat (5) is arranged in the shell (1).

7. A pressure valve cartridge according to claim 6, wherein: the lower end of the spring seat (5) and the upper part of the drive plate (7) are provided with a guide groove (17) and a guide block (18) which are matched with each other.

8. A pressure valve cartridge according to claim 1, wherein: the lower part of the button (4) is provided with a mounting lug (19), and the upper end of the transmission rod (8) is hinged with the mounting lug (19) through a pin shaft (20).

9. A pressure valve cartridge according to claim 1, wherein: the shell (1) comprises a cover body (21) and a base (22), inner cavities of the cover body (21) and the base (22) are matched with each other to form a mounting cavity (23), and the cover body (21) and the base (22) are connected through a buckle (24).

10. A pressure valve cartridge according to claim 1, wherein: the fixed valve plate (3) is provided with a water inlet hole (25) and/or a water outlet hole (26), and the movable valve plate (2) is provided with a communicating groove (27).

11. A pressure valve cartridge according to claim 1, wherein: the bottom surface of the drive plate (7) is provided with claws (28), the movable valve plate (2) is provided with claw grooves (29), and the number of the claws (28) is at least two.

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