CN212318827U

CN212318827U - Self-cleaning faucet control valve

Info

Publication number: CN212318827U
Application number: CN202020866954.1U
Authority: CN
Inventors: 程国军
Original assignee: Ningbo Haitian Chenghe Automatic Ltd
Current assignee: Ningbo Haitian Chenghe Automatic Ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-01-08
Anticipated expiration: 2030-05-21

Abstract

The utility model provides a tap control valve of ability self-cleaning, including the valve body, be located the case of the valve intracavity of valve body and can drive the valve rod of case, open the upper end of valve body has the water inlet, and open the lower extreme of valve body has the through-hole that supplies the valve rod to seal to pass, its characterized in that: the water tap comprises a valve body, a valve rod, an upper valve sleeve and a lower valve sleeve, wherein the upper valve sleeve is sleeved outside the upper end of the valve body and can be installed at a water outlet of the water tap, the lower valve sleeve is sleeved outside the lower end of the valve body and is linked with the valve rod, a water inlet hole communicated with the water inlet on the valve body is formed in the top of the upper valve sleeve, a plurality of self-cleaning ports are formed in the side wall of the valve body, the self-cleaning ports correspond to the inner side wall of the lower valve sleeve and are lower than the top of the lower valve sleeve, the top of the lower valve sleeve is inserted into the lower port of the upper valve sleeve, a self-cleaning. After adopting above-mentioned structure, can carry out thorough washing to the outer wall of lower valve barrel to reach the purpose at self-cleaning operation position, and overall structure is simple, and the equipment is convenient.

Description

Self-cleaning faucet control valve

Technical Field

The utility model relates to a control valve, concretely relates to install in tap's delivery port department and can the tap control valve of self-cleaning.

Background

A conventional faucet control valve is installed in a faucet, and the control valve is opened and closed by operating a handle on the faucet. However, after the handle is repeatedly operated, various dirt or bacteria are inevitably generated on the handle, and particularly, the phenomenon is more obvious when the handle type faucet is installed in a public place, so that cleaning personnel need to clean or disinfect the faucet in time. Therefore, people design an induction type faucet, and the induction type faucet does not need to contact a handle, so that the defects of the traditional faucet can be well overcome, but an induction sensor in the induction type faucet is easy to damage, and the induction type faucet can not be normally and reliably used.

Therefore, people also design a self-cleaning type faucet control valve, for example, the control valve disclosed in the document with chinese patent publication No. CN204961877U, which comprises a valve body installed in the water outlet of the faucet, wherein an internal thread surrounding a water flow channel is formed in the water outlet of the faucet, one end of the valve body is provided with a water inlet hole, the other end of the valve body is provided with a valve rod, an external thread capable of matching with the internal thread is formed on the outer peripheral surface of one end of the valve body, and a water outlet hole is formed on the side surface of the valve body. When the valve is used, water flowing out of the water outlet hole on the outer peripheral surface of one end of the valve body can automatically wash the valve rod at the other end of the valve body, so that the purpose of self-cleaning the handle is achieved. However, since the tap water in the faucet has a certain pressure, when the tap water in the faucet flows out from the water outlet holes on the outer peripheral surface of the valve body, the tap water is jetted radially outwards due to the water pressure and then falls due to the self-weight, and the radial jetting distance is different due to different water pressures.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide a self-cleaning effectual tap control valve of ability self-cleaning.

For solving the technical problem, the utility model discloses the technical scheme who adopts does: the utility model provides a tap control valve of ability self-cleaning, including the valve body, be located the case of the valve intracavity of valve body and can drive the valve rod of case, open the upper end of valve body has the water inlet, open the lower extreme of valve body has the through-hole that supplies the valve rod to seal to pass, its characterized in that: the water faucet is characterized by further comprising an upper valve sleeve and a lower valve sleeve, wherein the upper valve sleeve is sleeved outside the upper end of the valve body and can be installed at a water outlet of the water faucet, the lower valve sleeve is sleeved outside the lower end of the valve body and is in linkage with the valve rod, a water inlet hole communicated with a water inlet in the valve body is formed in the top of the upper valve sleeve, a plurality of self-cleaning ports are formed in the side wall of the valve body, the self-cleaning ports correspond to the inner side wall of the lower valve sleeve and are lower than the top of the lower valve sleeve, the top of the lower valve sleeve is inserted into the lower port of the upper valve sleeve, a self-cleaning water channel communicated with the self.

Preferably, the outer peripheral surface of the upper valve sleeve is provided with an external thread for connecting with a water outlet of a water faucet, and the inner wall surface of the upper valve sleeve is provided with an internal thread in threaded connection with the head of the valve body, so that the assembly and the connection are convenient.

In order to prevent excessive assembly, the outer peripheral surface of the valve body is also provided with a limiting blocking part positioned above the self-cleaning port, and the limiting blocking part is abutted against a shoulder in the upper valve sleeve in the state that the valve body is in threaded connection with the upper valve sleeve, so that the control valve has better operation hand feeling when the control valve is opened and closed.

In the above solutions, in order to realize the linkage of the lower valve sleeve and the valve rod, a simpler structure is that a blocking wall is arranged in the lower valve sleeve, a mounting hole which is matched with the valve rod in a non-circular shape is formed on the blocking wall, and a first fastening piece which is used for positioning the lower valve sleeve on the valve rod is arranged on the valve rod below the blocking wall.

In order to make the outlet water more fine and smooth, it is preferable that a bubbler below the valve rod and a second fastening member for limiting the bubbler in the lower valve sleeve are further installed in the lower valve sleeve.

Preferably, the first and second fasteners are nuts, the first fastener is screwed on the lower end of the valve rod, and the second fastener is screwed in the lower port of the lower valve sleeve.

Compared with the prior art, because the utility model discloses the play water route setting of the normal water consumption of control valve is on the valve rod, the self-cleaning mouth of washing usefulness is opened on the lateral wall of valve body, therefore can ensure the required water yield of normal water consumption, utilize the cooperation of lower valve barrel and last valve barrel simultaneously again, make the rivers that flow from self-cleaning mouth receive earlier upwards surging after blockking of lower valve barrel inside wall, let water pressure obtain the release, then through the water conservancy diversion of last valve barrel and because of the dead weight of water, make the water that flows from self-cleaning mouth flow down along the outer wall of lower valve barrel from self-cleaning water route, carry out thorough washing to the outer wall of lower valve barrel, so the utility model discloses radial injection phenomenon can not take place, self-cleaning effect is good, and overall structure is simple, and the. And because the lower valve sleeve is additionally arranged, the lever action is realized, so that the valve rod is easier and more comfortable to rotate.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Fig. 1 shows a preferred embodiment of a self-cleaning faucet control valve, which comprises a valve body 1, a valve core 2, a valve rod 3 capable of driving the valve core, an upper valve sleeve 4 and a lower valve sleeve 5, wherein the valve core 2 is located in a valve cavity 11 of the valve body 1, and the valve preferably adopts an upper valve plate 21 and a lower valve plate 22 which are oppositely arranged in the prior art, the upper valve plate 21 is located in the valve cavity 11, and the lower valve plate 21 is connected with the valve rod 3. The upper end of the valve body 1 is provided with a water inlet 12 communicated with the valve cavity 11, the lower end of the valve body is provided with a through hole 13 for the valve rod to pass through, the inner wall of the through hole 13 is embedded with a first sealing ring 6 to be connected with the valve rod 3 in a sealing way to prevent the leakage of the through hole 13, and the valve rod 3 is provided with a water outlet passage 31 communicated with the valve cavity. Therefore, the lower valve plate 22 can be driven to rotate relative to the upper valve plate 21 by rotating the valve rod 3, so that the control valve is opened, and water entering from the water inlet 12 of the valve body can flow out of the water outlet channel 31 of the valve rod 3.

The upper valve sleeve 4 is sleeved outside the upper end of the valve body 1, the upper valve sleeve 4 is used for being installed at a water outlet of the faucet, and the top of the upper valve sleeve 4 is provided with a water inlet hole 41 communicated with the water inlet 12 on the valve body 1. In view of the convenient connection between the upper valve sleeve 4 and the faucet and the valve body 1, it is preferable that the outer peripheral surface of the upper valve sleeve 4 is provided with an external thread 42 for connecting with the water outlet of the faucet, and the inner wall surface of the upper valve sleeve 4 is provided with an internal thread 43 for screwing with the head of the valve body, i.e. the upper valve sleeve 4 is screwed at the water outlet of the faucet and is also screwed with the valve body 1. In order to prevent water leakage at the threaded connection with the valve body 4, a second sealing ring 7 is sleeved at the water inlet 12 of the valve body 1, and the second sealing ring 7 is compressed between the upper valve sleeve 4 and the upper end face of the valve body 1.

The lower valve sleeve 5 is sleeved outside the lower end of the valve body 1 and is linked with the valve rod 3, the lower valve sleeve 5 corresponds to the inner side wall of the lower valve sleeve 5, and the side wall 1 of the valve body is provided with a plurality of self-cleaning ports 14, in the embodiment, the self-cleaning ports 14 are positioned on the side wall of the valve body 1 below the lower valve plate 22 and are uniformly distributed at intervals along the circumferential direction, the self-cleaning ports 14 are lower than the top of the lower valve sleeve 5, the top of the lower valve sleeve 5 is inserted into the lower port of the upper valve sleeve 4, and a self-cleaning water channel A communicated with the self-cleaning ports 14 is formed between the self-cleaning ports 14, so when the valve rod 3 rotates and the valve core 2 is opened, water flow coming out of the self-cleaning ports 14 firstly impacts the inner side wall of the lower valve sleeve 5 due to water.

When the valve body 1 is installed in the upper valve sleeve 4, in order to prevent excessive screwing, it is preferable that the outer peripheral surface of the valve body 1 is further provided with a limit stop part 15 located above the self-cleaning port 14, and in a state that the valve body 1 is in threaded connection with the upper valve sleeve, the limit stop part 15 abuts against a shoulder 44 in the upper valve sleeve, that is, the limit stop part 15 is utilized to enable the valve body 1 to be just connected in place in the upper valve sleeve 4, otherwise, excessive screwing can cause overlarge friction force between the upper valve plate and the lower valve plate, thereby affecting the operation of the valve rod 3.

In order to conveniently realize the linkage between the lower valve sleeve 5 and the valve rod 3, it is preferable that the lower valve sleeve 5 is internally provided with a retaining wall 51, the retaining wall 51 is provided with an installation hole which is matched with the valve rod in a non-circular manner, the installation hole can be in a quadrilateral, pentagonal or kidney-shaped hole shape, correspondingly, the cross section of the corresponding section of the valve rod 3 is in a corresponding polygonal structure, and the valve rod 3 can be driven to rotate only by rotating the lower valve sleeve 5. Meanwhile, in order to integrate the lower valve sleeve 5 with the valve stem 3, a first fastening member 8 for positioning the lower valve sleeve 5 on the valve stem 3 is provided on the valve stem 3 below the blocking wall 51, and the first fastening member 8 may be a snap spring, but preferably adopts a nut which is screwed on the lower end portion of the valve stem 3.

In order to make the water from the water outlet channel finer and smoother, a bubbler 9 located below the valve rod 3 and a second fastening member 10 for limiting the bubbler 9 in the lower valve housing 5 are further installed in the lower valve housing 5, and the second fastening member 10 is also a nut and is in threaded connection with the lower port of the lower valve housing 5. Of course, a collar or the like may be used.

When the water faucet is used, the lower valve sleeve 5 is rotated to drive the valve rod 3 and the lower valve plate 22 to rotate, so that the control valve is in an open state, at the moment, water in the water faucet enters the valve cavity 11 from the water inlet 41 of the upper valve sleeve 4 through the water inlet 12 of the valve body, the upper valve plate 21 and the lower valve plate 22, and then the water is divided into two paths, wherein one path of water is used by a user after passing through the water outlet channel 31 on the valve rod 3, the bubbler 9 and the lower port of the lower valve sleeve 5; the other path flows down along the outer wall of the lower valve sleeve 5 after passing through the self-cleaning port 14 and the self-cleaning water channel A so as to clean the operation part of the lower valve sleeve 5, thereby achieving the purpose of self-cleaning the operation part, and meanwhile, the self-cleaning water can still be used for cleaning.

Claims

1. The utility model provides a tap control valve of ability self-cleaning, including valve body (1), case (2) that are located valve pocket (11) of valve body and valve rod (3) that can drive the case, open the upper end of valve body (1) has water inlet (12), open the lower extreme of valve body has through-hole (13) that supply the valve rod to seal to pass, its characterized in that: the automatic water-saving valve is characterized by further comprising an upper valve sleeve (4) and a lower valve sleeve (5), wherein the upper valve sleeve (4) is sleeved outside the upper end of the valve body (1) and can be installed at a water outlet of a faucet, the lower valve sleeve (5) is sleeved outside the lower end of the valve body (1) and is linked with the valve rod (3), a water inlet (41) communicated with a water inlet (12) in the valve body is formed in the top of the upper valve sleeve (4), a plurality of self-cleaning ports (14) are formed in the side wall of the valve body (1), the self-cleaning ports (14) correspond to the inner side wall of the lower valve sleeve (5) and are lower than the top of the lower valve sleeve (5), the top of the lower valve sleeve (5) is inserted into the lower port of the upper valve sleeve (4), a self-cleaning water channel (A) communicated with the self-cleaning.

2. The faucet control valve of claim 1, wherein: the outer peripheral surface of the upper valve sleeve (4) is provided with an external thread (42) used for being connected with a water outlet of a water faucet, and the inner wall surface of the upper valve sleeve (4) is provided with an internal thread (43) in threaded connection with the head of the valve body.

3. The faucet control valve of claim 2, wherein: the outer peripheral surface of the valve body (1) is also provided with a limiting blocking part (15) positioned above the self-cleaning port (14), and the limiting blocking part (15) is abutted against a shoulder (44) of the upper valve sleeve (4) in the state that the valve body (1) is in threaded connection with the upper valve sleeve (4).

4. A faucet control valve as in claim 1, 2 or 3, wherein: the lower valve sleeve (5) is internally provided with a retaining wall (51), the retaining wall (51) is provided with a mounting hole which is matched with the valve rod in a non-circular way, and the valve rod (3) below the retaining wall (51) is provided with a first fastening piece (8) for positioning the lower valve sleeve on the valve rod.

5. The faucet control valve of claim 4, wherein: and the lower valve sleeve is also internally provided with a bubbler positioned below the valve rod and a second fastening piece (9) for limiting the bubbler in the lower valve sleeve.

6. The faucet control valve of claim 5, wherein: the first fastener and the second fastener are both nuts, the first fastener (8) is in threaded connection with the lower end part of the valve rod (3), and the second fastener (9) is in threaded connection with the lower port of the lower valve sleeve (5).