CN106949303B

CN106949303B - Key switching valve core

Info

Publication number: CN106949303B
Application number: CN201710345423.0A
Authority: CN
Inventors: 张爱恨
Original assignee: Foshan Hegii Dahui Sanitary Ware Co Ltd
Current assignee: Foshan Dahui Biotechnology Co ltd
Priority date: 2017-05-17
Filing date: 2017-05-17
Publication date: 2023-07-07
Anticipated expiration: 2037-05-17
Also published as: CN106949303A

Abstract

The invention relates to a key switching valve core, which comprises a body, a valve core water diversion body, a switching shaft and a key switching component, and is characterized in that a water inlet is formed in the side wall of the body, a first water outlet and a second water outlet are formed in the bottom of the body, the valve core water diversion body is arranged in the body, a water inlet hole corresponding to the water inlet of the body is formed in the side wall of the valve core water diversion body, the side wall is provided with an outer wall and an inner wall, a first water outlet communicated with the first water outlet is formed between the outer wall and the inner wall, a second water outlet communicated with the second water outlet is formed in the bottom of the valve core water diversion body, a first shrinkage part with a large upper part and a small lower part and a second shrinkage part with a large upper part are respectively arranged on a water passage at the upper end and the lower end of the water inlet hole of the valve core water diversion body, a first sealing piece and a second sealing piece are respectively arranged on the switching shaft, and the key switching component is arranged at the end of the switching shaft. The invention has the advantages of simple structure and better stability.

Description

Key switching valve core

Technical Field

The invention relates to the field of bathrooms, in particular to a key switching valve core.

Background

The conventional mechanical valve core is shown in fig. 1, although two water outlets are positioned on the same plane, most of the mechanical valve core is switched in a rotary mode, and the two water outlets are not positioned on the same plane as shown in fig. 2, and the mechanical valve core is different from the conventional mechanical valve core in size, structure and water outlet mode, so that the mechanical valve core cannot be upgraded on the basis of the original product, and the research and development period and the fund cost of the product are greatly increased.

The present invention has been made in view of the above problems.

Disclosure of Invention

The invention aims to provide a key switching valve core which has the advantages of simple structure and good stability.

In order to achieve the above object, the solution of the present invention is:

the utility model provides a button switch valve core, which comprises a body, the case divides the water body, switching shaft and button switch assembly, wherein, the lateral wall of body is equipped with the water inlet, the bottom is equipped with first delivery port and second delivery port, the case divides the water body to locate inside the body, and be equipped with the inlet opening corresponding with the water inlet of body on the lateral wall of case divides the water body, this lateral wall has outer wall and inner wall, and constitute the communicating first apopore of first delivery port between outer wall and the inner wall, the bottom of case divides the water body constitutes the communicating second apopore of second delivery port, be equipped with big-end-up's first shrinkage mouth and big-end-up's second shrinkage mouth on the water route of the inlet opening upper end and the lower extreme of case divides the water body respectively, the switching shaft is located the case and divides the inside of water body, and be equipped with first sealing member and second sealing member on the switching shaft respectively, the tip of switching shaft is equipped with button switch assembly.

Preferably, the body include button lid and lower casing, the periphery of button lid is equipped with guide rib and pothook, and the button lid has the ladder hole section that upwards extends, the open-ended of top of lower casing is equipped with guide slot and the draw-in hole of adaptation guide rib and pothook respectively.

Preferably, the key switching assembly comprises a pawl column, a ratchet shaft and a spring, wherein the spring is sleeved at the upper end of the switching shaft and then inserted into the ratchet shaft, the pawl column, the ratchet shaft and the spring are combined to form an automatic pen-type pressing switching mechanism, and the top end of the pawl column is provided with a stepped hole Duan Shenchu of the key cover.

Preferably, another spring is further arranged between the lower end of the switching shaft and the body.

Preferably, the water inlet is in a net-shaped or stripe-shaped structure.

Preferably, sealing rings are respectively arranged at the upper end and the lower end of the water inlet between the outer wall of the valve core water diversion body and the body.

By adopting the technical scheme, the key switching assembly is pressed, the switching shaft moves upwards, the second sealing piece at the bottom seals the second shrinkage part and closes the second water outlet, and meanwhile, the first sealing piece is far away from the first shrinkage part, the first water outlet is opened, and the first water outlet is discharged; when the waterway needs to be switched, the key switching assembly is pressed again, the switching shaft descends, the first sealing piece seals the first shrinkage part, the first water outlet is closed, meanwhile, the second sealing piece at the bottom is far away from the second shrinkage part, the second water outlet is opened, and the second water outlet is discharged.

Drawings

Fig. 1 is a diagram showing the overall structure of a conventional rotary switching valve core.

Fig. 2 is a diagram showing the overall structure of a conventional push-button type switching valve core.

Fig. 3 is a perspective view showing the overall structure of the key type switching valve core of the present invention.

Fig. 4 is a sectional view of a water separator of a valve cartridge according to the present invention.

Fig. 5 is an exploded view of the overall structure of the key type switching valve core of the present invention.

Fig. 6 is a schematic diagram of a cross-sectional structure of a first outlet of a key-type switching valve core according to the present invention.

Fig. 7 is a schematic diagram of a cross-sectional structure of a first outlet of the key-type switching valve core of the present invention.

Fig. 8 is a schematic diagram of a cross-sectional structure of a second outlet of the key-type switching valve core of the present invention.

Fig. 9 is a cross-sectional view of a second outlet of the key-type switching valve core of the present invention.

In the drawing the view of the figure,

guiding rib 111 clamping hook 112 of lower shell 12 of key cover 11 of body 1

Water inlet 123 of clamping hole 122 of guide groove 121 of stepped hole section 113

A first water outlet 124 and a second water outlet 125

Valve core water diversion body 2 water inlet hole 20 outer wall 21 inner wall 22

First water outlet hole 23 second water outlet hole 24 first shrinkage part 25 second shrinkage part 26

The switching shaft 3 first seal 31 second seal 32

The click switch assembly 4 pawls the ratchet shaft 41, the ratchet shaft 42, the spring 43 and the other spring 44.

Detailed Description

The technical scheme and beneficial effects of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 3 to 5, a key switching valve core includes a main body 1, a valve core water diversion body 2, a switching shaft 3 and a key switching component 4.

The body 1 includes a key cover 11 and a lower housing 12, a guiding rib 111 and a hook 112 are disposed on the periphery of the key cover 11, the key cover 11 has an upward extending stepped hole 113, and a guiding slot 121 and a hook 122 respectively adapted to the guiding rib 111 and the hook 112 are disposed at the top opening end of the lower housing 12. The side wall of the lower housing 12 is provided with a water inlet 123, and the bottom is provided with a first water outlet 124 and a second water outlet 125. To filter the water flow entering the cartridge, the water inlet 123 is of a mesh or stripe configuration.

The valve core water diversion body 2 is arranged inside the body 1, and sealing rings are respectively arranged at the upper end and the lower end of the water inlet 123 between the outer wall of the valve core water diversion body 2 and the body 1. The side wall of the valve core water diversion body 2 is provided with a water inlet 20 corresponding to the water inlet 123 of the body 1, the side wall is provided with an outer wall 21 and an inner wall 22, a first water outlet 23 communicated with the first water outlet 122 is formed between the outer wall 21 and the inner wall 22, the bottom of the valve core water diversion body 2 is provided with a second water outlet 24 communicated with the second water outlet 125, and the water paths at the upper end and the lower end of the water inlet 20 of the valve core water diversion body 2 are respectively provided with a first shrinkage part 25 with a large upper part and a small lower part and a second shrinkage part 26 with a large upper part.

The switching shaft 3 is arranged in the valve core water diversion body 2, a first sealing piece 31 and a second sealing piece 32 are respectively arranged on the switching shaft 3, and a key switching assembly 4 is arranged at the end part of the switching shaft 3.

The key switching assembly 4 comprises a pawl column 41, a ratchet shaft 42 and a spring 43, the spring 43 is sleeved at the upper end of the switching shaft 3 and then inserted into the ratchet shaft 42, the pawl column 41, the ratchet shaft 42 and the spring 43 are combined to form an automatic pen-type pressing switching mechanism, and the top end of the pawl column 41 extends out from the stepped hole section 113 of the key cover 11.

In order to make the stress of the switching shaft 3 more balanced and the switching more stable, another spring 44 is arranged between the lower end of the switching shaft 3 and the body 1.

As shown in fig. 6 to 9, the key switching valve core works as follows:

pressing a key switching assembly, switching the shaft to ascend, blocking the second shrinkage part by a second sealing piece at the bottom, closing the second water outlet, and simultaneously, keeping the first sealing piece away from the first shrinkage part, opening the first water outlet, and discharging water from the first water outlet; when the waterway needs to be switched, the key switching assembly is pressed again, the switching shaft descends, the first sealing piece seals the first shrinkage part, the first water outlet is closed, meanwhile, the second sealing piece at the bottom is far away from the second shrinkage part, the second water outlet is opened, and the second water outlet is discharged.

The size of the valve core is basically consistent with that of a traditional mechanical switching valve core in an installation mode, the original product can be basically upgraded, the research and development period and the fund cost of the product are greatly reduced, the precision requirement of the valve core on parts is low, the process is simple, the assembly is simple, the structural stability is high, the yield is high, and the valve core has a very strong competitive advantage in market competition.

The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereto, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the present invention.

Claims

1. A key switching spool, comprising:

the key cover is provided with a stepped hole section extending upwards, and the top opening end of the lower shell is provided with a guide groove and a clamping hole which are respectively matched with the guide rib and the clamping hook; the side wall of the lower shell is provided with a water inlet which is of a net-shaped or stripe-shaped structure, and the bottom of the lower shell is provided with a first water outlet and a second water outlet;

the valve core water diversion body is arranged in the body, a water inlet corresponding to the water inlet is formed in the side wall of the valve core water diversion body, the side wall is provided with an outer wall and an inner wall, a first water outlet communicated with the first water outlet is formed between the outer wall and the inner wall, a second water outlet communicated with the second water outlet is formed at the bottom of the valve core water diversion body, and a first shrinkage part with a large upper part and a small lower part and a second shrinkage part with a large upper part are respectively arranged on a water passage at the upper end and the lower end of the water inlet of the valve core water diversion body; and

the switching shaft is arranged in the valve core water diversion body, a first sealing piece and a second sealing piece are respectively arranged on the switching shaft, and a key switching assembly is arranged at the end part of the switching shaft.

2. The key switching valve core of claim 1, wherein the key switching component comprises a pawl column, a ratchet shaft and a spring, the upper end of the switching shaft is sleeved with the spring and then inserted into the ratchet shaft, the pawl column, the ratchet shaft and the spring are combined to form an automatic pen-type pressing switching mechanism, and the top end of the pawl column extends out from the stepped hole section of the key cover.

3. The key switching valve cartridge according to claim 2, wherein another spring is further provided between the lower end of the switching shaft and the body.

4. The key switching valve core according to claim 1, wherein sealing rings are respectively arranged between the outer wall of the valve core water diversion body and the body and positioned at the upper end and the lower end of the water inlet.