CN219952143U - Closestool button structure - Google Patents

Abstract

The utility model discloses a toilet key structure, which comprises a button assembly and a pressure driving assembly; the button assembly comprises a pressing rod, a valve rod and an elastic piece, wherein the valve rod is positioned below the pressing rod and is used for pressing a drainage valve key of the closestool, so that when the pressing rod presses the valve rod, the valve rod can press the drainage valve key, and the elastic piece is used for providing a reset force for the valve rod after pressing; the pressure driving assembly comprises a pressure driving source and a closed cavity formed by the upper end of the valve rod, wherein the pressure driving source can convey pressure into the closed cavity and drive the valve rod to press the drainage valve key. The closestool key structure realizes the integrated design of manual flushing and automatic flushing, has simpler and more compact structure and low production cost, and does not interfere with manual flushing and automatic flushing.

Description

Closestool button structure

Technical Field

The utility model belongs to the technical field of intelligent closestool keys, and particularly relates to a closestool key structure.

Background

Along with the demand of people for life quality is higher and higher, intelligent closestool becomes life necessity gradually, because intelligent closestool not only has traditional manual bath button, but also has bath drive arrangement, can realize automatic bath, and it is more convenient to use. However, the existing intelligent closestool adopts a manual flushing button to be arranged on a water tank cover, and a flushing driving device is arranged in a split type structural design in the water tank, so that the whole structure is complex, the maintenance difficulty is high, and the production cost is high.

Disclosure of Invention

In view of the above, the present utility model discloses a toilet key structure to overcome or at least partially solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a toilet key structure, which comprises a button assembly and a pressure driving assembly;

the button assembly comprises a pressing rod, a valve rod and an elastic piece, wherein the valve rod is positioned below the pressing rod and is used for pressing a drainage valve key of a toilet, so that when the pressing rod presses the valve rod, the valve rod can press the drainage valve key, and the elastic piece is used for providing a reset force for the valve rod after pressing;

the pressure driving assembly comprises a pressure driving source and a closed cavity formed by the upper end of the valve rod, wherein the pressure driving source can convey pressure into the closed cavity to drive the valve rod to press down the drainage valve key.

Further, the portable electronic device further comprises a shell assembly, wherein the shell assembly comprises a key upper shell and a key lower shell which are fixedly connected;

the lower end of the valve rod penetrates through the lower key shell; the upper shell of the key is provided with a through hole, and the lower end of the lower pressure rod passes through the through hole and corresponds to the upper end position of the valve rod;

the key upper shell, the side wall of the key lower shell and the upper end of the valve rod form the closed cavity, a connecting hole is formed in the side wall of the key lower shell, and the pressure driving source conveys pressure into the closed cavity through the connecting hole.

Further, the button assembly further comprises a return spring and a button rod;

the lower end of the button rod is fixedly connected with the upper end of the pressing rod, the reset spring is sleeved on the button rod, the upper end of the reset spring is connected with the upper end of the button rod, and the lower end of the reset spring is connected with the key upper shell;

and a limit flange is arranged on the lower pressure rod below the through hole along the circumferential direction, and the outer diameter of the limit flange is larger than the inner diameter of the through hole.

Further, the lower end of the through hole is extended with a horn-shaped sealing part, the horn mouth of the sealing part faces downwards, a first sealing ring is sleeved on the lower pressure rod below the limit flange, and the outer circumferential surface of the first sealing ring is an inclined surface matched with the inner circumferential surface of the sealing part.

Further, an extension part extends along the circumferential direction at the upper end of the valve rod, and a second sealing ring is arranged between the extension part and the inner side wall of the key lower shell.

Further, the axial section of the second sealing ring is of a V shape, one side edge of the V shape is fixedly connected with the upper side face of the extension part, and the other side edge of the V shape is abutted to the inner side wall of the key lower shell.

Further, the elastic piece is a spring, the spring is sleeved on the valve rod, the upper end of the spring is connected with the extension part, and the lower end of the spring is connected with the key lower shell;

a plurality of axially arranged bulges are uniformly arranged on the outer circumference of the valve rod.

Further, the button assembly further comprises a screw;

the upper end of the screw rod is fixedly connected with the lower end of the valve rod through a threaded structure.

Further, the button assembly further comprises a key cover and a nut;

the button cover is fixed at the upper end of the button rod, a fixing flange is arranged at the upper end of the button upper shell along the circumferential direction, and threads matched with the nuts are arranged on the outer circumference of the button upper shell.

Further, a flexible member is fixed on the lower end surface of the lower pressure lever and/or the upper end surface of the valve lever.

The utility model has the advantages and beneficial effects that:

in the closestool key structure, the valve rod for pressing down the drain valve key of the closestool is arranged, and the lower pressure rod is arranged above the valve rod, so that the valve rod can press down the drain valve key when the lower pressure rod is pressed down, and the manual flushing of the key structure is realized; in addition, by arranging a pressure driving source and a closed cavity formed by the upper end of the valve rod, the pressure driving source can convey pressure into the closed cavity, and the valve rod is driven to press down the drainage valve key to realize automatic flushing of the key structure; the closestool key structure realizes the integrated design of manual flushing and automatic flushing, has simpler and more compact structure, is convenient to detach and maintain, has low production cost, and does not interfere with the manual flushing and the automatic flushing; in addition, the closestool key structure can be directly applied to the existing closestool structure, is more convenient to install, does not need to carry out additional design on the closestool structure, and further reduces the production cost of the closestool.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a block diagram showing the assembly of a toilet key structure in a toilet according to an embodiment of the present utility model;

FIG. 2 is a perspective view of a toilet key structure according to an embodiment of the present utility model;

fig. 3 is an axial cross-sectional view of a toilet key structure in one embodiment of the utility model.

In the figure: 1. pressing down a rod; 2. a valve rod; 3. an elastic member; 4. a drain valve key; 5. a pressure driving source; 6. a connecting pipe; 7. a key upper case; 8. a key lower case; 9. a third seal ring; 10. a return spring; 11. a push button lever; 12. a limit flange; 13. a sealing part; 14. a first seal ring; 15. an extension; 16. a second seal ring; 17. a screw; 18. a key cover; 19. a nut; 20. a fixing flange; 21. a water tank cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The following describes in detail the technical solutions provided by the embodiments of the present utility model with reference to the accompanying drawings.

In one embodiment of the utility model, a toilet key structure is disclosed that includes a button assembly and a pressure-driven actuation assembly.

Specifically, as shown in fig. 1 and 3, the button assembly includes a pressing rod 1, a valve rod 2 and an elastic member 3, the valve rod 2 is located below the pressing rod 1, the valve rod 2 is used for pressing a drain valve key 4 of the toilet, that is, when the toilet key structure is assembled in the toilet tank, the valve rod 2 is suspended above the drain valve key 4 of the toilet, or the lower end of the valve rod 2 is abutted with the drain valve key 4 of the toilet. When the pressure-down lever 1 is pressed, the pressure-down lever 1 presses down the valve lever 2, drives the valve lever 2 to move downwards and presses down the drainage valve key 4, so that the drainage valve of the toilet is opened, and manual flushing is realized; in addition, in the process of manual flushing, the downward travel of the valve rod 2 can be controlled by controlling the downward pressing amount of the pressing rod 1, so that the pressing degree of the drainage valve key 4 is further controlled, and the flushing amount of the drainage valve is controlled, thereby realizing manual half flushing and manual full flushing; the elastic element 3 is used for providing a restoring force for the valve rod 2 after being pressed down, and when the pressing rod 1 is not pressed down, the elastic element 3 drives the valve rod 2 to move upwards so as to restore to an initial position (namely the position where the valve rod is in fig. 3); at this time, the valve lever 2 does not push down the drain valve button 4, and the drain valve is automatically closed, thereby completing manual flushing.

As shown in fig. 1, the pressure driving assembly comprises a pressure driving source 5 and a closed cavity formed by the upper end of the valve rod 2, wherein the pressure driving source 5 is communicated with the closed cavity and can convey pressure into the closed cavity, and the pressure driving source 5 and the closed cavity can be connected through a connecting pipe 6 for conveniently arranging the pressure driving source 5. When the pressure driving source 5 conveys pressure into the closed cavity, the valve rod 2 can be driven to move downwards, the drainage valve key 4 is pressed down, so that the drainage valve of the toilet is opened, and automatic flushing is realized; when the pressure driving source 5 stops delivering pressure into the closed cavity, the movable valve rod 2 moves upwards under the action of the elastic piece 3 and returns to the initial position; at this time, the valve rod 2 does not press down the drain valve key 4, the drain valve is automatically closed, and then automatic flushing is completed; and, can control the pressure amount that the pressure driving source 5 carries to airtight intracavity, control the pushing down procedure of the valve pole 2, and then control the flushing amount of the water valve, thus realize automatic half towards and automatic full towards. The pressure driving source may be an air pump or a liquid pump, or other devices capable of providing pressure.

In addition, the pressure driving source can be controlled to work through the remote control key to realize automatic flushing; or the pressure driving source is controlled to work through the sensing device, for example, when an infrared sensor on the closestool senses that a human body leaves the closestool, the pressure driving source is controlled to work so as to automatically flush water; or the pressure driving source is controlled to work together through the remote control key and the sensing device. The pressure driving source can be fixed in the toilet water tank or fixed on the water tank cover of the toilet.

In summary, in the toilet key structure of the present embodiment, by setting a valve lever for pressing down a drain valve key of the toilet, and setting a pressing lever above the valve lever, the valve lever can press down the drain valve key when pressing the pressing lever, so as to realize manual flushing of the key structure; in addition, by arranging a pressure driving source and a closed cavity formed by the upper end of the valve rod, the pressure driving source can convey pressure into the closed cavity, and the valve rod is driven to press down the drainage valve key to realize automatic flushing of the key structure; the closestool key structure realizes the integrated design of manual flushing and automatic flushing, has simpler and more compact structure, is convenient to detach and maintain, has low production cost, and does not interfere with the manual flushing and the automatic flushing; in addition, the closestool key structure can be directly applied to the existing closestool structure, is more convenient to install, does not need to carry out additional design on the closestool structure, and further reduces the production cost of the closestool.

In this embodiment, as shown in fig. 1 to 3, the toilet key structure further includes a housing assembly including a key upper case 7 and a key lower case 8 fixedly connected; the key upper shell and the key lower shell can be fixedly connected through screws or bolts, and of course, the key upper shell and the key lower shell can also be fixedly connected through a buckle structure.

Specifically, a containing cavity is arranged in the key lower shell 8, the valve rod 2 is positioned in the containing cavity, and the lower end of the valve rod 2 passes through the key lower shell 8 and is suspended above the drain valve key 4 or is abutted with the drain valve key 4; the button upper shell 7 is provided with a through hole, the lower end of the pressing rod 1 passes through the through hole and corresponds to the upper end of the valve rod 2, and then the pressing rod 1 can be pressed to drive the valve rod 2 to press the drainage valve button 4.

The side walls of the key upper shell 7, the key lower shell 8 and the upper end of the valve rod 2 form a closed cavity, the side wall of the key lower shell 8 is provided with a connecting hole, and the pressure driving source 5 is communicated with the closed cavity through the connecting hole. When the pressure driving source 5 transmits pressure into the closed cavity, the valve rod 2 is pushed to move downwards by the pressure, and the drain valve key 4 is pressed down.

And be equipped with third sealing washer 9 between button epitheca 7 and the button inferior valve 8, make the gas tightness between button epitheca 7 and the button inferior valve 8 better, and then guarantee the gas tightness in airtight chamber.

In addition, the button assembly further includes a return spring 10 and a button stem 11.

Specifically, the lower end of the button rod 11 is fixedly connected with the upper end of the pressing rod 1, and the lower end of the button rod and the upper end of the pressing rod can be fixedly connected through a threaded structure or in interference connection; thus, by pressing the push button lever 11, the push down lever 1 can be pressed. The reset spring 10 is sleeved on the button rod 11, the upper end of the reset spring 10 is connected with the upper end of the button rod 11, the lower end of the reset spring 10 is connected with the key upper shell 7, the reset spring 10 is provided with a pretightening force, and after the button rod 11 is pressed, the reset spring 10 provides an upward reset force for the button rod 11 so as to reset the button rod 11 to an initial position (namely the position where the button rod is in fig. 3). At the same time, the return spring 10 also provides upward supporting force for the push button lever 11 and the depression lever 1.

In this embodiment, as shown in fig. 3, a limit flange 12 is disposed on the lower pressure lever 1 below the through hole along the circumferential direction, and the outer diameter of the limit flange 12 is larger than the inner diameter of the through hole, and the limit flange 12 is used for limiting the movement stroke of the lower pressure lever 1, so as to prevent the lower pressure lever 1 from completely entering the key upper case 7.

In addition, the lower end of the through hole extends to form a horn-shaped sealing part 13, the horn mouth of the sealing part 13 faces downwards, a first sealing ring 14 is sleeved on the pressing rod 1 below the limit flange 12, and the outer circumferential surface of the first sealing ring 14 is an inclined surface matched with the inner circumferential surface of the sealing part 13. The first sealing ring 14 can realize the sealing between the lower pressure rod 1 and the key upper shell 7, so that the pressure loss from the gap between the lower pressure rod 1 and the key upper shell 7 is prevented when the pressure driving source 5 transmits pressure into the closed cavity; in addition, when the pressing rod 1 is pressed manually, the horn-shaped sealing part 13 is arranged, so that the first sealing ring 14 can be easily separated from the key upper shell 7, the air tightness of the airtight cavity can be further destroyed, and the pressing movement of the pressing rod 1 is facilitated.

In addition, the upper end of the valve rod 2 extends along the circumferential direction to form an extension part 15, and a second sealing ring 16 is arranged between the extension part 15 and the inner side wall of the key lower case 8, so that the sealing between the valve rod 2 and the inner side wall of the key lower case 8 is realized.

The axial section of the second sealing ring 16 is V-shaped, one side of the V-shaped is fixedly connected with the upper side of the extension portion 15, and the other side of the V-shaped is abutted against the inner side wall of the key lower case 8, so that the sealing effect between the valve rod 2 and the inner side wall of the key lower case 8 is better.

Further, the elastic member 3 is a spring, the spring is sleeved on the valve rod 2, the upper end of the spring is connected with the extension part 15, the lower end of the spring is connected with the key lower shell 8, the spring is provided with a pretightening force, and when the valve rod 2 is stopped being pressed manually or automatically, the spring can drive the valve rod 2 to move upwards, so that the valve rod is reset to an initial position.

And evenly be equipped with many axially arranged's arch on the outer circumference of valve pole, can reduce the area of contact between valve pole and the button inferior valve like this, reduce friction, and then the valve pole of pushing down that can be light, also can reduce the part wearing and tearing simultaneously.

In this embodiment, as shown in fig. 1 to 3, the button assembly further includes a screw 17, a key cover 18, and a nut 19.

The upper end of the screw rod 17 is connected with the lower end of the valve rod 2 through a threaded structure, so that the valve rod 2 can push the drain valve key 4 through the screw rod 17, the push range of the valve rod 2 is further expanded, and even if the drain valve key 4 is arranged at the bottom of a toilet water tank, the drain valve key 4 can be pushed through the screw rod 17; meanwhile, the distance that the screw 17 is screwed into the valve rod 2 can be controlled, so that the lower end of the screw 17 can just abut against the drain valve key 4, and the distance between the screw 17 and the drain valve key 4 is adjusted. In addition, when the screw 17 is extruded with the drain valve key 4 for a long time to generate abrasion, the screw 17 is only needed to be replaced, so that the use cost can be reduced; the button cover 18 is fixed on the upper end of the button rod 11, and the button cover 18 is an arc-shaped extension surface, so that the comfort of manually pressing the button rod 11 is better.

The upper end of the key upper case 7 is provided with a fixing flange 20 in the circumferential direction, and the outer circumference of the key upper case 7 is provided with threads engaged with the nut 19. When the key upper case 7 is fixed on the water tank cover 21, the fixing flange 20 is positioned on the upper side surface of the water tank cover 21, the nut 19 is positioned on the lower side surface of the water tank cover 21, and the key upper case 7 can be firmly fixed on the water tank cover 21 through the clamping fit of the nut 19 and the fixing flange 20, and the assembly and the disassembly are easier.

Further, a flexible part (not shown in the figure) is fixed on the lower end face of the lower pressure rod, and when the lower end of the lower pressure rod is in contact with the upper end of the valve rod, the flexible part can play a role in buffering and damping, so that noise can be effectively prevented from being generated, and the experience of using a toilet is improved. Of course, in other embodiments, the flexible member may be secured only to the upper end surface of the valve stem; or the flexible parts are fixed on the lower end surface of the pressing rod and the upper end surface of the valve rod. Wherein, the flexible piece can be a rubber sheet.

The foregoing is merely a specific embodiment of the utility model and other modifications and variations can be made by those skilled in the art in light of the above teachings. It is to be understood by persons skilled in the art that the foregoing detailed description is provided for the purpose of illustrating the utility model more fully, and that the scope of the utility model is defined by the appended claims.

Claims (10)

1. The toilet key structure is characterized by comprising a button assembly and a pressure driving assembly;

the button assembly comprises a pressing rod, a valve rod and an elastic piece, wherein the valve rod is positioned below the pressing rod and is used for pressing a drainage valve key of a toilet, so that when the pressing rod presses the valve rod, the valve rod can press the drainage valve key, and the elastic piece is used for providing a reset force for the valve rod after pressing;

the pressure driving assembly comprises a pressure driving source and a closed cavity formed by the upper end of the valve rod, wherein the pressure driving source can convey pressure into the closed cavity to drive the valve rod to press down the drainage valve key.

2. The toilet key structure of claim 1, further comprising a housing assembly comprising a key upper case and a key lower case fixedly connected;

the lower end of the valve rod penetrates through the lower key shell; the upper shell of the key is provided with a through hole, and the lower end of the lower pressure rod passes through the through hole and corresponds to the upper end position of the valve rod;

the key upper shell, the side wall of the key lower shell and the upper end of the valve rod form the closed cavity, a connecting hole is formed in the side wall of the key lower shell, and the pressure driving source conveys pressure into the closed cavity through the connecting hole.

3. The toilet key structure of claim 2, wherein the button assembly further comprises a return spring and a button stem;

the lower end of the button rod is fixedly connected with the upper end of the pressing rod, the reset spring is sleeved on the button rod, the upper end of the reset spring is connected with the upper end of the button rod, and the lower end of the reset spring is connected with the key upper shell;

and a limit flange is arranged on the lower pressure rod below the through hole along the circumferential direction, and the outer diameter of the limit flange is larger than the inner diameter of the through hole.

4. The toilet key structure according to claim 3, wherein a horn-shaped sealing portion extends from a lower end of the through hole, a horn mouth of the sealing portion faces downwards, a first sealing ring is sleeved on the lower pressing rod below the limit flange, and an outer circumferential surface of the first sealing ring is an inclined surface matched with an inner circumferential surface of the sealing portion.

5. The toilet key structure according to claim 2, wherein an extension portion extends in a circumferential direction from an upper end of the valve lever, and a second sealing ring is provided between the extension portion and an inner side wall of the key lower case.

6. The toilet key structure according to claim 5, wherein the axial section of the second sealing ring is V-shaped, one side of the V-shape is fixedly connected with the upper side of the extension portion, and the other side of the V-shape is abutted against the inner side wall of the key lower case.

7. The toilet key structure according to claim 5, wherein the elastic member is a spring, the spring is sleeved on the valve rod, the upper end of the spring is connected with the extension part, and the lower end of the spring is connected with the key lower shell;

a plurality of axially arranged bulges are uniformly arranged on the outer circumference of the valve rod.

8. The toilet key structure of claim 2, wherein the button assembly further comprises a screw;

the upper end of the screw rod is fixedly connected with the lower end of the valve rod through a threaded structure.

9. The toilet key structure of claim 3, wherein the button assembly further comprises a key cover and a nut;

the button cover is fixed at the upper end of the button rod, a fixing flange is arranged at the upper end of the button upper shell along the circumferential direction, and threads matched with the nuts are arranged on the outer circumference of the button upper shell.

10. The toilet key structure according to any one of claims 1 to 9, wherein a flexible member is fixed to a lower end surface of the depression bar and/or an upper end surface of the valve bar.