Flushing key structure and closestool flushing device

Abstract

The utility model discloses a flushing button structure and a closestool flushing device, the flushing button structure comprises two flushing buttons and a button seat, the two flushing buttons are respectively and movably arranged in the button seat, first reset pieces are respectively matched between the two flushing buttons and the button seat, and the two flushing buttons are respectively matched with a drain valve in a water tank. The drain valve is opened for flushing by pressing the flushing key; the pre-flushing device further comprises a pre-flushing key, the pre-flushing key is movably installed in the key base, a second reset piece is arranged between the pre-flushing key and the key base in a matched mode, and the pre-flushing key is matched with the drainage valve through a linkage structure so that the drainage valve can be opened for pre-flushing by pressing the pre-flushing key. According to the utility model, the pre-flushing button is additionally arranged on the basis of two conventional flushing buttons, so that the pre-flushing function and the pre-wetting function of the pot surface can be realized without changing accessories such as a water tank and a drain valve in the conventional closestool.

Description

Technical Field

[0001] The utility model relates to the field of sanitary ware, in particular to a flushing button structure and a toilet flushing device. Background Art

[0002] Toilets on the market usually only have two flush buttons, high flush and low flush. When users flush the toilet after using it, excrement often cannot be flushed away or cannot be flushed clean. They can only flush it repeatedly or use a brush to clean it, which wastes water resources, energy and time. To this end, the Chinese utility model application number 201920732699.9 discloses a novel anti-adhesion flush toilet, comprising a base; a water tank, the bottom of which is fixed to the top of the base; a foam water storage tank, the bottom of which is fixed to the bottom of the inner wall of the water tank; a water storage tank, the bottom of which is fixed to the bottom of the inner wall of the water tank; an ordinary water tank drain valve, the bottom end of which passes through the bottom of the water tank; an ordinary water tank inlet valve, the bottom end of which is fixed to the bottom of the inner wall of the water tank; a soapy water tank drain valve, the bottom end of which passes through the bottom of the water tank; and a soapy water tank inlet valve, the bottom end of which is fixed to the bottom of the inner wall of the water tank. The device pre-flushes the toilet by pressing a soap water pre-flush button in the soap water tank to avoid the situation where excrement is not flushed cleanly. However, the device requires two water tanks, two water inlet valves and two drain valves, which makes the toilet have many accessories and high cost. Utility Model Content

[0003] In view of the technical problems existing in the prior art, the utility model provides a flush button structure and a toilet flushing device, in which a pre-flush button is added on the basis of the existing two flush buttons. The pot surface can be pre-flushed and the pot surface pre-moistened without changing the water tank, drain valve and other accessories in the existing toilet.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a flush button structure, including two flush buttons and a button seat, the two flush buttons are respectively movably arranged in the button seat and are respectively matched with a first reset component between the button seat, the two flush buttons are respectively matched with a drain valve in a water tank, so that flushing can be performed by pressing the flush button to open the drain valve; and also includes a pre-flush button, the pre-flush button is movably installed in the button seat and is matched with a second reset component between the button seat, the pre-flush button is matched with the drain valve through a linkage structure, so that pre-flush can be performed by pressing the pre-flush button to open the drain valve.

[0005] Furthermore, among the two flush buttons, one of the flush buttons forms a linkage structure, and the pre-flush button and one of the flush buttons are cooperated with a transmission structure, so that when the pre-flush button is pressed, one of the flush buttons is driven to move downward, and the downward movement stroke of the pre-flush button is less than the maximum movement stroke of one of the flush buttons when it is pressed to flush.

[0006] Furthermore, the transmission structure includes an active boss arranged on the side of the pre-flush button and a driven boss arranged on the side of one of the flush buttons. The active boss is located above the driven boss. When the pre-flush button is pressed, the active boss overlaps the driven boss and pushes the driven boss downward.

[0007] Furthermore, the pre-punch key and the key seat cooperate with a limit structure to limit the downward movement of the pre-punch key.

[0008] Furthermore, the limiting structure includes a limiting column arranged in the button seat, the pre-punched button is slidably arranged on the limiting column, and when the pre-punched button moves downward to a position, it abuts against the top of the limiting column.

[0009] Furthermore, one of the flush buttons is a small flush button, and the other of the two flush buttons is a large flush button; the large flush button cooperates with the full flush button of the drain valve, and the small flush button cooperates with the half flush button of the drain valve.

[0010] Furthermore, a delay structure is provided between the pre-charge key and the key seat to delay the resetting of the pre-charge key.

[0011] Furthermore, the delay structure includes a limiting boss arranged in the button seat and a plurality of elastic buckles arranged on the pre-punch button. When the pre-punch button is pressed, each elastic buckle moves downward until an elastic interference fit is formed with the side surface of the limiting boss. As the pre-punch button is reset upward, each elastic buckle is gradually separated from the limiting boss.

[0012] Furthermore, there are multiple limiting bosses, which are distributed along the circumference of the pre-punching button and correspond one-to-one with multiple elastic buckles. The upper end of each limiting boss is provided with a convex portion protruding laterally inward; each elastic buckle is provided with an arc-shaped bent portion protruding laterally outward. During the movement of the pre-punching button, the arc-shaped bent portion slides with the inner side surface of the limiting boss, and when the pre-punching button moves downward into place, the arc-shaped bent portion is clamped on the inner side surface below the convex portion of the corresponding limiting boss.

[0013] The utility model further provides a toilet flushing device, comprising a water tank and a drain valve, wherein the drain valve is arranged in the water tank, and further comprising a flushing button structure as described above, wherein the button seat is installed on the top of the water tank.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The utility model also includes a pre-flush button, which is movably installed in the button seat and cooperates with a second reset member between the button seat. The pre-flush button cooperates with the drain valve through a linkage structure, so that the drain valve can be opened by pressing the pre-flush button to perform pre-flush, so that the existing toilet does not need to change the water tank, drain valve and other accessories, and can realize the pre-flushing of the pot surface and the pre-wetting function of the pot surface. In addition, the pre-flush button is an independent button and does not affect the use of the other two flush buttons.

[0016] 2. Among the two flush buttons, one of the flush buttons forms a linkage structure, and the pre-flush button and one of the flush buttons are matched with a transmission structure, so that when the pre-flush button is pressed, one of the flush buttons is driven to move downward, and the downward movement stroke of the pre-flush button is smaller than the maximum movement stroke of one of the flush buttons when flushing is pressed, so that when the pre-flush button is pressed, the height of the drain valve opening is small, thereby making the water flow speed slow and the flow rate small during pre-flush, saving the use of water flow and avoiding waste.

[0017] 3. The transmission structure includes an active boss arranged on the side of the pre-flush button and a driven boss arranged on the side of one of the flush buttons. The active boss is located above the driven boss. This structure can drive one of the flush buttons to move downward when the pre-flush button is pressed. Its structure is simple, so that the original flush button is modified little, reducing the additional cost.

[0018] 4. A delay structure is provided between the pre-flushing button and the button seat to delay the reset of the pre-flushing button, so as to avoid the drain valve stopping immediately after being pressed, thereby increasing the pre-flushing time.

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments; however, the flush button structure and toilet flushing device of the present invention are not limited to the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an exploded schematic diagram of the flush button structure of the utility model;

[0021] Figure 2 This is a cross-sectional diagram of the flush button structure of the utility model. Figure 1 ;

[0022] Figure 3 yes Figure 2 Schematic diagram of the cross section along AA;

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the small punch key of the utility model;

[0024] Figure 5 It is a three-dimensional structural schematic diagram of the pre-punch button of the utility model;

[0025] Figure 6 It is a three-dimensional structural schematic diagram of the key seat of the utility model;

[0026] Figure 7 yes Figure 6 Schematic diagram of the cross section along BB;

[0027] Figure 8 This is a cross-sectional diagram of the toilet flushing device of the utility model. Figure 1 (Press the pre-charge button);

[0028] Fig. 9 This is a cross-sectional diagram of the flush button structure of the utility model. Figure 2 (Press the pre-charge button);

[0029] Fig.10 yes Fig. 9 Schematic diagram of the cross section along CC;

[0030] Fig.11 This is a cross-sectional diagram of the toilet flushing device of the utility model. Figure 2 (Press the small punch button);

[0031] Fig.12 This is a cross-sectional diagram of the flush button structure of the utility model. Figure 3 (Press the small punch button);

[0032] In the figure: 1. button seat; 11. limiting column; 12. limiting boss; 121. convex part; 13. first mounting hole; 131. first slide groove; 14. second mounting hole; 141. second slide groove; 15. retaining wall; 151. opening; 2. pre-punch button; 21. active boss; 22. elastic buckle; 221. arc-shaped bending part; 3. large punch button; 31. first retaining edge; 32. first sliding protrusion; 4. small punch button; 41. driven boss; 42. second retaining edge; 43. second sliding protrusion; 5. first reset member; 6. second reset member; 71. first pressing rod; 72. second pressing rod; 8. mounting bracket; 10. water tank; 20. drain valve; 201. full row button; 202. half row button; 30. flush button structure. DETAILED DESCRIPTION

[0033] In the present utility model, the terms "first", "second", etc. are only used to distinguish similar objects, rather than to describe a specific order or sequence, and cannot be understood as indicating or implying relative importance. In the description, the directions or positional relationships indicated by "upper", "lower", "inner", "outer", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model, rather than indicating or implying that the device referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0034] In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more. In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, or a communication between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] See also Figure 1-Figure 12 As shown, a toilet flushing device of the utility model includes a water tank 10 and a drain valve 20, wherein the drain valve 20 is arranged in the water tank 10, and also includes a flushing button structure 30, which is installed on the top of the water tank 10.

[0036] Specifically, the flush button structure 30 includes two flush buttons and a button seat 1. The two flush buttons are movably arranged in the button seat 1 and are respectively matched with a first reset member 5 between the button seat 1. The two flush buttons are respectively matched with a drain valve 20 in the water tank 10, so that flushing is performed by pressing the flush button to open the drain valve 20. It also includes a pre-flush button 2, which is movably installed in the button seat 1 and is matched with a second reset member 6 between the button seat 1. The pre-flush button 2 is matched with the drain valve 20 through a linkage structure, so that pre-flush is performed by pressing the pre-flush button 2 to open the drain valve 20.

[0037] Among the two flush buttons, one of the flush buttons forms a linkage structure, and the pre-flush button 2 is matched with one of the flush buttons with a transmission structure, so that when the pre-flush button 2 is pressed, it drives one of the flush buttons to move downward, and the downward movement stroke of the pre-flush button is less than the maximum movement stroke of one of the flush buttons when pressing the flush. Specifically, one of the flush buttons is a small flush button 4, and the other of the two flush buttons is a large flush button 3. The bottom ends of the large flush button 3 and the small flush button 4 are respectively connected to a first pressing rod 71 and a second pressing rod 72, and the large flush button 3 cooperates with the full row button 201 of the drain valve 20 through the first pressing rod 71, and the small flush button 4 cooperates with the half row button 202 of the drain valve 20 through the second pressing rod 72.

[0038] The transmission structure includes an active boss 21 arranged on the side of the pre-punch button 2 and a driven boss 41 arranged on the side of the small punch button 4. The active boss 21 is located above the driven boss 41. When the pre-punch button 2 is pressed, the active boss 21 overlaps the driven boss 41 and pushes the driven boss 41 to move downward.

[0039] The pre-punching key 2 and the key base 1 cooperate with a limiting structure to limit the downward movement of the pre-punching key 2. The limiting structure includes a limiting column 11 arranged in the key base 1, and the pre-punching key 2 is slidably arranged on the limiting column 11, and the pre-punching key 2 abuts against the top of the limiting column 11 when it moves downward to the right position.

[0040] A delay structure is provided between the pre-punching key 2 and the key base 1 to delay the resetting of the pre-punching key 2. The delay structure includes a limiting boss 12 provided in the key base 1 and a plurality of elastic buckles 22 provided on the pre-punching key 2. When the pre-punching key 2 is pressed, each elastic buckle 22 moves downward until an elastic interference fit is formed with the side of the limiting boss 12. As the pre-punching key 2 is reset upward, each elastic buckle 22 gradually separates from the limiting boss 12. Specifically, there are two elastic buckles 22 and two limiting bosses 12. The two limiting bosses 12 are distributed along the circumference of the pre-punching key 2 and correspond to the two elastic buckles 22 one by one. The upper end of each limiting boss 12 is provided with a convex portion 121 protruding laterally inward. Each elastic buckle 22 is respectively provided with an arc-shaped bending portion 221 protruding laterally outward. During the movement of the pre-punching button 2, the arc-shaped bending portion 221 slides with the inner side surface of the limiting boss 12, and when the pre-punching button moves downward to the right position, the arc-shaped bending portion 221 is stuck on the inner side surface below the convex portion 121 of the corresponding limiting boss 12.

[0041] The button base 1 is mounted on the top of the water tank 10 through the mounting bracket 8. The button base 1 is provided with a first mounting hole 13 and a second mounting hole 14, and the large punch button 3 and the small punch button 4 are slidably arranged in the first mounting hole 13 and the second mounting hole 14 respectively. The large punch button 3 is provided with a first sliding protrusion 32, and the first mounting hole 13 is provided with a first sliding groove 131 corresponding thereto, and the small punch button 4 is provided with a second sliding protrusion 43, and the second mounting hole 14 is provided with a second sliding groove 141 corresponding thereto. The first sliding protrusion 32 interacts with the first sliding groove 131, and the second sliding protrusion 43 interacts with the second sliding groove 141 to guide the movement of the large punch button 3 and the small punch button 4 to prevent the large punch button 3 and the small punch button 4 from rotating.

[0042] A first rib 31 is provided on the side opposite to the small punch button 4, and a second rib 42 is provided on the small punch button 4. The first rib 31 abuts against the second rib 42 to guide the large punch button 3 and the small punch button 4, so as to avoid the large punch button 3 or the small punch button 4 from getting stuck with each other when resetting, causing the situation that the large punch button 3 or the small punch button 4 cannot be completely reset. At the same time, a retaining wall 15 is also provided between the limit column 11 and the second mounting hole 14 of the button seat 1 to guide the small punch button 4 and the pre-punch button 2, so as to avoid the small punch button 4 or the pre-punch button 2 from getting stuck with each other when resetting, causing the situation that the pre-punch button 2 cannot be completely reset. An opening 151 is provided in the middle of the retaining wall 15 for the active boss 21 and the driven boss 41 to pass through.

[0043] The utility model discloses a toilet flushing device, when the pre-flushing button is pressed, Figure 8-Figure 10 As shown, the pre-flush button 2 drives the small flush button 4 to move downward to press the half-row button 202 of the drain valve 20, open the drain valve 20 to achieve pre-wetting flushing, and limit the downward movement of the pre-flush button 2 by the limit column 11. At this time, the height of the drain valve 20 is small, the water tank 10 discharges water slowly, and a small amount of water is discharged from the ring surface to pre-wet the toilet pot surface. At the same time, the elastic buckle 22 of the pre-flush button 2 forms an elastic interference fit with the side of the limit boss 12 of the button seat 1. As the pre-flush button 2 resets upward, each elastic buckle 22 is gradually separated from the limit boss 12 to close the drain valve 20 to prevent the drain valve 20 from stopping immediately after being pressed.

[0044] When pressing the small punch button 4, Fig.11 , Fig.12 As shown, the pre-flush button 2 and the large flush button 3 will not be driven to move, and the small flush button 4 can be moved to the maximum movement stroke. At this time, the drain valve 20 is opened to a large height, and the water tank 10 has a fast water discharge speed and a large flow rate, forming a rapid flushing. Similarly, pressing the large flush button 3 alone will not drive the pre-flush button 2 and the small flush button 4. Therefore, the pre-flush button 2 does not affect the normal flushing of the large flush button 3 and the small flush button 4, and the large flush button 3 and the small flush button 4 do not affect each other.

[0045] The utility model discloses a flush button structure and a toilet flushing device. The flush button structure adds a pre-flush button 2 on the basis of two flush buttons. There is no need to change the water tank, drain valve and other accessories of the existing toilet, so the pot surface can be pre-flushed and the pot surface pre-moistened. It has wide adaptability, and the newly added pre-flush button 2 is an independent button, which does not affect the use of the existing two flush buttons. The changes to the two flush buttons are small, so the additional cost is low.

[0046] The utility model provides a flushing button structure and a toilet flushing device, and the unrelated parts are the same as the prior art or can be implemented by adopting the prior art.

[0047] The above embodiments are only used to further illustrate a flush button structure and a toilet flushing device of the utility model, but the utility model is not limited to the embodiments. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model fall within the protection scope of the technical solution of the utility model.

Claims

1. A flush button structure, comprising two flush buttons and a button seat, wherein the two flush buttons are movably arranged in the button seat and are respectively matched with a first reset member between the button seat and the two flush buttons are respectively matched with a drain valve in a water tank, so that the drain valve is opened by pressing the flush button to flush; characterized in that: It also includes a pre-flushing button, which is movably installed in the button seat and cooperates with a second reset member between the button seat and the pre-flushing button. The pre-flushing button cooperates with the drain valve through a linkage structure, so that the drain valve can be opened for pre-flushing by pressing the pre-flushing button.

2. The flush button structure according to claim 1, characterized in that: Among the two flush buttons, one of the flush buttons constitutes the linkage structure, and the pre-flush button and one of the flush buttons are cooperated with a transmission structure, so that when the pre-flush button is pressed, it drives one of the flush buttons to move downward, and the downward movement stroke of the pre-flush button is smaller than the maximum movement stroke of one of the flush buttons when it is pressed for flushing.

3. The flush button structure according to claim 2, characterized in that: The transmission structure includes an active boss arranged on the side of the pre-flushing button and a driven boss arranged on the side of one of the flushing buttons. The active boss is located above the driven boss. When the pre-flushing button is pressed, the active boss overlaps the driven boss and pushes the driven boss to move downward.

4. The flush button structure according to claim 2, characterized in that: The pre-punch button and the button seat cooperate with a limiting structure to limit the downward movement of the pre-punch button.

5. The flush button structure according to claim 4, characterized in that: The limiting structure includes a limiting column arranged in the button seat, the pre-punching button is slidably arranged on the limiting column, and the pre-punching button abuts against the top end of the limiting column when it moves downward to a position.

6. The flush button structure according to claim 2, characterized in that: One of the flush buttons is a small flush button, and the other of the two flush buttons is a large flush button; the large flush button cooperates with the full flush button of the drain valve, and the small flush button cooperates with the half flush button of the drain valve.

7. The flush button structure according to any one of claims 1 to 6, characterized in that: A delay structure is provided between the pre-charge key and the key seat to delay the resetting of the pre-charge key.

8. The flush button structure according to claim 7, characterized in that: The delay structure includes a limiting boss arranged in the button seat and a plurality of elastic buckles arranged on the pre-punching button. When the pre-punching button is pressed, each elastic buckle moves downward until an elastic interference fit is formed with the side surface of the limiting boss. As the pre-punching button resets upward, each elastic buckle gradually separates from the limiting boss.

9. The flush button structure according to claim 8, characterized in that: There are multiple limiting bosses, which are distributed along the circumference of the pre-punching button and correspond one-to-one to the multiple elastic buckles. The upper end of each limiting boss is respectively provided with a convex portion protruding laterally inward; each elastic buckle is respectively provided with an arc-shaped bent portion protruding laterally outward, and during the movement of the pre-punching button, the arc-shaped bent portion slides with the inner side surface of the limiting boss, and when the pre-punching button moves downward into place, the arc-shaped bent portion is clamped on the inner side surface below the convex portion corresponding to the limiting boss.

10. A toilet flushing device, comprising a water tank and a drain valve, wherein the drain valve is arranged in the water tank, characterized in that: It also includes a flush button structure as described in any one of claims 1 to 9, wherein the button seat is installed on the top of the water tank.

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