CN218911647U

CN218911647U - Light-operating-force toilet flushing valve

Info

Publication number: CN218911647U
Application number: CN202320065004.2U
Authority: CN
Inventors: 施仙兵; 沈君法
Original assignee: Kaiping Yizhan Valve Core Co ltd
Current assignee: Kaiping Yizhan Valve Core Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-04-25
Anticipated expiration: 2033-01-04

Abstract

The utility model provides a light-operating-force toilet flushing valve, which comprises a valve body, a water inlet, a water outlet and a mounting hole, wherein the valve body is provided with a water passing cavity and is communicated with the water passing cavity; the valve core rod assembly comprises an operation part and a pre-tightening part, the pre-tightening part is arranged on the valve body through the mounting hole and is positioned in the water passing cavity, and the operation part is at least partially positioned outside the valve body; the opening and closing piece is positioned in the water passing cavity, and the pre-tightening part has a pre-tightening force on the opening and closing piece, so that the opening and closing piece is abutted to the water outlet end of the valve body and can rotate to open or close the water outlet. The beneficial effects of the utility model are as follows: through set up pretension portion and open and close the piece and be connected on the piston, avoid the piston to fix with opening and close the piece directly, can effectually reduce frictional force, reduce the operation dynamics.

Description

Light-operating-force toilet flushing valve

Technical Field

The utility model relates to the technical field of bathroom products, in particular to a toilet flushing valve with light operation force and a toilet.

Background

When the transmitted closestool is flushed, the flushing valve is required to be rotated by breaking off, so that the pelvic cavity of the closestool is flushed, and the intelligent closestool is flushed by driving the flushing valve to open the water outlet through the rotation of the motor. The torque force of the motor used by the traditional valve core is very large due to the overlarge operating force, and the large torque force means that the price of the motor is high.

Disclosure of Invention

The utility model provides a toilet flushing valve with light operation force, which solves the technical problems in the prior art.

The utility model provides a light-operating-force toilet flushing valve, which comprises a valve body, a water inlet, a water outlet and a mounting hole, wherein the valve body is provided with a water passing cavity and is communicated with the water passing cavity; the valve core rod assembly comprises an operation part and a pre-tightening part, the pre-tightening part penetrates through the mounting hole to be mounted on the valve body and is positioned in the water passing cavity, and the operation part is at least partially positioned outside the valve body; the opening and closing piece is positioned in the water passing cavity, and the pre-tightening part has a pre-tightening force on the opening and closing piece, so that the opening and closing piece is abutted to the water outlet end of the valve body and can rotatably open or close the water outlet.

Further, the valve core rod assembly comprises a valve core rod, an elastic piece and a seat body; the valve core rod is provided with an abutting part which is positioned in the water passing cavity, and the operating part of the valve core rod penetrates through the mounting hole to be positioned outside the valve body; the seat body is positioned in the water passing cavity and can longitudinally slide along the valve core rod, and the elastic piece is positioned between the abutting part and the seat body to form the pre-tightening part.

Further, the abutting part is provided with a chute, one side of the base body close to the abutting part is protruded with a sliding rod, and the sliding rod is slidably arranged in the chute.

Further, the valve core rod assembly comprises a valve core rod and an elastic piece; the valve core rod is provided with an abutting part which is positioned in the water passing cavity, and the operating part of the valve core rod penetrates through the mounting hole to be positioned outside the valve body; the opening and closing piece can longitudinally slide along the valve core rod, and the elastic piece is positioned between the abutting part and the opening and closing piece to form the pre-tightening part.

Furthermore, the abutting part is provided with a chute, one side of the opening and closing piece, which is close to the abutting part, is protruded with a sliding rod, and the sliding rod is slidably arranged in the chute.

Further, the elastic piece is a spring.

Further, the valve body comprises a shell and a base arranged at the lower end of the shell, and the water passing cavity is formed in the shell; the mounting hole is positioned at the top of the shell, and the water inlet is positioned at the top and/or the side wall; the water outlet is positioned on the base; the water outlet is provided with a water outlet, and the water outlet is provided with a water inlet and a water outlet; the opening and closing piece is a movable sliding piece, the movable sliding piece is positioned above the fixed sliding piece and is abutted against the fixed sliding piece, and the movable sliding piece is provided with a yielding hole for water supply flow to be discharged to the water outlet and is used for opening and closing the water outlet through rotation; the fixed sliding vane and the movable sliding vane are both made of ceramic materials.

Furthermore, the number of the water outlets is two, and the fixed sliding sheets can be used for opening and closing the two water outlets respectively or simultaneously in a rotatable mode.

Further, the water inlets are multiple, and the multiple water inlets are located on the side wall of the shell.

A toilet comprising a flush valve according to any one of the preceding claims.

The beneficial effects of the utility model are as follows:

1. through set up pretension portion and open and close the piece and be connected on the piston, avoid the piston to fix with opening and close the piece directly, have certain elastic space, can effectually reduce frictional force, reduce the operation dynamics.

2. Through sliding connection between spout and the pedestal slide bar of butt portion, the spring provides a pretightning force and makes the slide bar can't break away from the spout all the time, and further the pretightning force that provides through the spring makes the frictional force between movable slide sheet and the fixed slide sheet littleer.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic overall structure of the first embodiment.

Fig. 2 is an internal structure of the first embodiment.

Fig. 3 is an exploded view of the first embodiment.

Fig. 4 is a schematic structural view of the base.

Fig. 5 is a schematic diagram of the internal structure of the second embodiment.

1. A valve body; 11. a housing; 111. a water inlet; 112. a mounting hole; 12. a base; 121. a water outlet; 2. a spool rod assembly; 21. a valve core rod; 211. an abutting portion; 212. a chute; 221. a slide bar; 23. a base; 3. a movable slide sheet; 31. a relief hole; 4. a sliding vane is fixed; 41. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings. 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.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Embodiment one:

as shown in fig. 1 to 4, the utility model discloses a light-operation-force toilet flushing valve, which comprises a valve body 1, wherein the valve body 1 is provided with a water inlet 111, a water outlet 121 and a mounting hole 112 which are communicated with a water passing cavity; the valve core rod assembly 2 is mounted on the mounting hole 112 in a sealing manner, specifically, the valve core rod assembly 2 comprises an operation part and a pre-tightening part, the operation part passes through the mounting hole 112 and is mounted on the valve body 1, the operation part is at least partially positioned on the outer side of the valve body 1, the pre-tightening part is positioned in a water passing cavity of the valve body 1, and the area of the pre-tightening part is larger than that of the water passing hole, so that the pre-tightening part cannot pass through the water passing hole and be separated from the valve body 1. The opening and closing member is located in the water passing cavity, and the pretensioning force is provided for the opening and closing member to be abutted against the water outlet end of the valve body 1 and to rotatably open or close the water outlet 121, and specifically, the opening and closing member is fixed on the pretensioning portion.

The valve core rod assembly 2 comprises a valve core rod 21, an elastic piece and a seat body 23, wherein the valve core rod 21 is provided with an abutting part 211, the abutting part 211 is positioned in the water passing cavity, an operation part of the valve core rod 21 passes through the mounting hole 112 and is positioned outside the valve body 1, and the area of the abutting part 211 is larger than that of the mounting hole 112, so that the valve core rod cannot directly pass through the mounting hole 112 to be separated from the valve body 1; the seat body 23 is located in the water passing cavity and also longitudinally slides along the valve core rod 21, the elastic piece is located between the abutting part 211 and the seat body 23 to form pretightening force, the opening and closing piece is arranged on the seat body 23, and the valve core rod 21 can play a certain buffering role in operation. The mounting manner of the seat body 23 and the abutting portion 211 is specific, the abutting portion 211 is provided with a chute 212, one side of the seat body 23 close to the abutting portion 211 is protruded with a sliding rod 221, and the seat body 23 can slide in the chute 212 according to the pretightening force. The chute 212 is preferably arranged in the middle of the abutting part 211, so that the valve core rod 21 is more stable during operation; the elastic member is typically a preloaded spring.

For convenient installation, the valve body 1 is generally composed of a housing 11 and a base 12 mounted at the lower end of the housing 11, the connection mode of the housing 11 and the base 12 is generally a mode of screwing or clamping, an internal thread is usually adopted for the housing 11, an external thread is arranged for the base 12 to clamp, or a clamping block is arranged on the base 12, a clamping groove corresponding to the clamping block is arranged at the connection end of the housing 11, and the two connection modes are all conventional modes in the mechanical field and are not described herein.

The specific base 12 is installed at the bottom of the shell 11 in a clamping or screwing manner, the shell 11 is internally provided with the water passing cavity, the installation hole 112 is positioned at the top of the shell 11, the water inlet 111 can be selectively arranged at the top and/or the side wall of the shell 11, and the water outlet 121 is installed on the base 12.

In order to reduce the friction force caused by the rotation of the valve core rod 21, the valve further comprises a certain sliding sheet 4, wherein the certain sliding sheet 4 is arranged on the inner wall of the base 12 and is provided with a through hole for discharging water flow to the water outlet 121; the size of the specific through hole is larger than or equal to the size of the water outlet 121, the size usually indicates the area size of the water outlet 121, in the utility model, the number of the water outlets 121 is two, in order to match with the requirement of reducing friction force, the opening and closing part adopts a movable sliding vane 3, the movable sliding vane 3 is arranged above a fixed sliding vane 4 and is abutted on the fixed sliding vane 4 through the pretightening force of a pretightening spring, the movable sliding vane 3 is provided with a yielding hole 31 for supplying water to the water outlet 121, the water outlet 121 is opened and closed through rotation, the number of the water outlets 121 is two, and the movable sliding vane 3 can independently open the first water outlet 121 or independently open the second water outlet 121 or simultaneously open the first water outlet 121 and the second water outlet 121 and can also simultaneously close the first water outlet 121 and the second water outlet 121; preferably, the movable sliding sheet 3 and the fixed sliding sheet 4 are made of ceramic materials, and the friction force generated when the ceramic materials rub against each other is smaller than that of metal. In order to prevent water leakage at the joint between the fixed sliding sheet 4 and the base 12, a sealing ring is arranged at the joint between the fixed sliding sheet 4 and the base 12, and the sealing ring is used for sealing to prevent water leakage.

Embodiment two:

as shown in fig. 5, the difference between the second embodiment and the first embodiment is that the valve core rod assembly 2 is different, and the seat body 23 in the second embodiment is omitted, or the opening and closing member is combined with the seat body 23 into a whole. Specifically, the valve core rod assembly 2 includes a valve core rod 21 and an elastic member, the valve core rod 21 is provided with an abutting portion 211, the abutting portion 211 is located in the water passing cavity, and an operation portion of the valve core rod 21 passes through the mounting hole 112 and is located outside the valve body 1; the opening and closing member can slide longitudinally along the valve core rod 21, and the elastic member is located between the abutting portion 211 and the opening and closing member to form the pre-tightening portion.

The connection relation between the opening and closing member and the abutting portion 211 is the same as that between the base 23 and the abutting portion 211 in the embodiment, the abutting portion 211 has a longitudinal groove, a sliding rod 221 protrudes from one side of the opening and closing member close to the abutting portion 211, the sliding rod 221 of the opening and closing member can slide in the sliding groove 212 of the abutting portion 211 according to the pretightening force of the pretightening member, the other end of the opening and closing member abuts against the fixed sliding sheet 4, and the fixed sliding sheet 4 and the movable sliding sheet 3 are made of ceramic materials.

The utility model also discloses a closestool, which comprises the flushing valve of the two embodiments, and is used for communicating the water inlet channel and the flushing channel for flushing the pelvic cavity, wherein the installation mode is conventional technology and is not described in detail herein.

The foregoing is only the embodiments of the present utility model, and the patent scope of the utility model is not limited thereto, but is also covered by the patent protection scope of the utility model, where equivalent structures or equivalent flow changes made by the description of the utility model and the accompanying drawings are used, or are directly or indirectly applied, in other related technical fields.

Claims

1. A light-operated toilet flushing valve is characterized by comprising,

the valve body is provided with a water passing cavity, a water inlet, a water outlet and a mounting hole, wherein the water inlet, the water outlet and the mounting hole are communicated with the water passing cavity;

the valve core rod assembly comprises an operation part and a pre-tightening part, the pre-tightening part penetrates through the mounting hole to be mounted on the valve body and is positioned in the water passing cavity, and the operation part is at least partially positioned outside the valve body;

the opening and closing piece is positioned in the water passing cavity, and the pre-tightening part has a pre-tightening force on the opening and closing piece, so that the opening and closing piece is abutted to the water outlet end of the valve body and can rotatably open or close the water outlet.

2. The light duty toilet flush valve of claim 1, wherein the spool stem assembly comprises a spool stem, an elastic member, and a seat; the valve core rod is provided with an abutting part which is positioned in the water passing cavity, and the operating part of the valve core rod penetrates through the mounting hole to be positioned outside the valve body;

the seat body is positioned in the water passing cavity and can longitudinally slide along the valve core rod, and the elastic piece is positioned between the abutting part and the seat body to form the pre-tightening part.

3. The light duty toilet flush valve of claim 2, wherein the abutment has a slot, and a slide bar projects from a side of the housing adjacent the abutment, the slide bar being slidably mounted in the slot.

4. The light duty toilet flush valve of claim 1, wherein the spool rod assembly comprises a spool rod and an elastic member; the valve core rod is provided with an abutting part which is positioned in the water passing cavity, and the operating part of the valve core rod penetrates through the mounting hole to be positioned outside the valve body;

the opening and closing piece can longitudinally slide along the valve core rod, and the elastic piece is positioned between the abutting part and the opening and closing piece to form the pre-tightening part.

5. The light duty toilet flush valve of claim 4, wherein the abutment has a slot, and wherein a slide bar projects from a side of the opening and closing member adjacent the abutment, the slide bar being slidably mounted in the slot.

6. The light duty toilet flush valve of claim 3 or 5,

the elastic piece is a spring.

7. The light duty toilet flush valve of claim 6, wherein the valve body comprises a housing and a base mounted to a lower end of the housing, the housing having the water passage formed therein; the mounting hole is positioned at the top of the shell, and the water inlet is positioned at the top and/or the side wall of the shell; the water outlet is positioned on the base;

the water outlet is provided with a water outlet, and the water outlet is provided with a water inlet and a water outlet;

the opening and closing piece is a movable sliding piece, the movable sliding piece is positioned above the fixed sliding piece and is abutted against the fixed sliding piece, and the movable sliding piece is provided with a yielding hole for water supply flow to be discharged to the water outlet and is used for opening and closing the water outlet through rotation;

the fixed sliding vane and the movable sliding vane are both made of ceramic materials.

8. The light duty toilet flush valve of claim 7, wherein the number of water outlets is two, and the fixed slide is rotatable to open and close the two water outlets separately or simultaneously.

9. The light duty toilet flush valve of claim 7, wherein the plurality of water inlets are located on a side wall of the housing.

10. A toilet comprising a flush valve as claimed in any one of claims 1 to 9.