CN114251506A

CN114251506A - Automatic reset valve core with child lock function and faucet

Info

Publication number: CN114251506A
Application number: CN202011024980.0A
Authority: CN
Inventors: 张岩; 李炜兵; 叶立明; 祝传宝
Original assignee: Xiamen Lota International Co Ltd
Current assignee: Xiamen Lota International Co Ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2022-03-29

Abstract

The invention discloses an automatic reset valve core with a child lock function and a faucet.

Description

Automatic reset valve core with child lock function and faucet

Technical Field

The invention relates to an automatic reset valve core with a child lock function and a faucet.

Background

At present, the automatic reset valve cores in the market do not have the function of a child lock, and children cannot be prevented from opening the valve easily.

Or, the automatic reset switch device with the child lock is often realized through the structural design of the handle, so that the handle has a complex structure, more parts, complex installation and high cost.

There is a need for an improved self-resetting valve cartridge.

Disclosure of Invention

The invention provides an automatic reset valve core with a child lock function and a faucet, which overcome the defects in the prior art. One of the technical schemes adopted by the invention for solving the technical problems is as follows:

automatic re-setting case with child's lock function, it includes:

the valve shell is provided with a first clamping part and a yielding groove on the inner wall;

the pressing piece is provided with a second clamping part, the pressing piece can rotate circumferentially or axially relative to the valve shell, the pressing piece can rotate between a first circumferential position where the second clamping part is in clamping fit with the first clamping part and a second circumferential position where the second clamping part corresponds to the yielding groove, the pressing piece is limited in the axial direction when the second clamping part is in clamping fit with the first clamping part, and the pressing piece can move axially when the second clamping part corresponds to the yielding groove; and

the elastic reset piece can realize the reset of the pressing piece in the axial direction and the circumferential direction, one end of the elastic reset piece is connected with the pressing piece, and the other end of the elastic reset piece is connected with the valve shell.

In a preferred embodiment: the abdicating groove extends longitudinally along the inner wall of the valve shell, the first clamping part is a transversely extending step surface, the tail end of the step surface is connected with the wall of the abdicating groove, and the second clamping part is a boss.

In a preferred embodiment: the wall of the abdicating groove connected with the tail end of the step surface is obliquely arranged.

In a preferred embodiment: the valve shell inner wall still is equipped with spacing wall, and this spacing wall bottom links to each other with the step face head end, and second screens portion leans on when the pressing piece is located first circumference position and carries out circumference spacing with carrying out the pressing piece on this spacing wall.

In a preferred embodiment: the reset elastic piece is a spring, the two ends of the spring are respectively provided with a first pin and a second pin, a first jack is arranged in the pressing piece, the inner wall of the valve shell is provided with a second jack, the first pin is upwards inserted into the first jack, and the second pin is downwards inserted into the second jack.

In a preferred embodiment: still include the inner core subassembly, the inner core subassembly is installed in the valve casing and transmission connection pressing piece.

The second technical scheme adopted by the invention for solving the technical problems is as follows:

the faucet adopts any one of the automatic reset valve cores with the child lock function.

Compared with the background technology, the technical scheme has the following advantages:

1. in an initial state, the pressing piece is located at a first circumferential position, namely, the second clamping position part is in clamping fit with the first clamping position part, the pressing piece is limited in the axial direction, and the pressing piece cannot move axially no matter how the pressing piece is pressed, namely, the valve core cannot be opened or closed or switched; the state can prevent the misoperation of children and has the function of child lock; when the adult needs to use, only need the rotatory pressing member of circumference in order to remove to the second circumference position from first circumference position, the second screens portion corresponds with the groove of stepping down this moment, and this second circumference position also is the initial position of pressing member on the axial direction, and then, should step down the groove and can step down second screens portion when the axial is pressed the pressing member to but make pressing member axial displacement in order to carry out switch or switching action. Simultaneously, the accessible keeps the pressure to the pressing member continuously to switch or switch, when need not switch or switching, can loosen the pressing member, and the pressing member resets earlier to second circumferential position under the effect of elastic component that resets, resets again to first circumferential position, resumes the initial condition to the pressing member.

The automatic reset valve core not only has the child lock function, but also only needs to keep the pressing state of the pressing piece when switching or switching is carried out, the pressing force is small, and the switching or the switching is convenient.

2. The tail end of the step surface is connected with the wall of the abdicating groove so as to ensure that the pressing piece can be freely switched between the first circumferential position and the second circumferential position.

3. The groove wall of the abdicating groove connected with the tail end of the step surface is obliquely arranged, so that the second clamping part can be guided, and the second clamping part can smoothly enter the abdicating groove.

Drawings

The invention is further illustrated by the following figures and examples.

Fig. 1 is a general schematic diagram of an automatic reset valve core with a child lock function according to a preferred embodiment.

Fig. 2 is an exploded perspective view of the automatic reset valve core with a child lock function according to a preferred embodiment.

Fig. 3 is a schematic bottom view of the pressing member.

Fig. 4 is a schematic structural diagram of the upper housing.

FIG. 5 depicts a schematic bottom view of the valve housing.

Fig. 6 is a schematic cross-sectional view of the upper housing.

Detailed Description

In the claims, the specification and the drawings of the present invention, unless otherwise expressly limited, the terms "first", "second" or "third", etc. are used for distinguishing between different items and not for describing a particular sequence.

In the claims, the specification and the drawings of the present invention, unless otherwise expressly limited, all directional or positional relationships indicated by the terms "center," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," "counterclockwise," and the like are based on the directional or positional relationships indicated in the drawings and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so indicated must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention.

In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the terms "fixedly connected" and "fixedly connected" should be interpreted broadly, that is, any connection between the two that is not in a relative rotational or translational relationship, that is, non-detachably fixed, integrally connected, and fixedly connected by other devices or elements.

In the claims, the specification and the drawings of the present invention, the terms "including", "having", and variations thereof, are intended to be inclusive and not limiting.

Referring to fig. 1 to 6, a preferred embodiment of the automatic reset valve core with a child-lock function includes a valve housing, a pressing member 20 and a reset elastic member 30.

The valve housing has a first retaining portion 11 and a recess 12 on an inner wall thereof.

As shown in fig. 2, the valve housing includes a base 13 and an upper housing 14 fixed on the base 13, and the first positioning portion 11 and the abdicating groove 12 are both opened on the inner wall of the upper housing 14. A fixed sleeve 15 is further arranged in the upper shell 14, and a movable cavity 16 is formed between the fixed sleeve 15 and the inner wall of the upper shell 14.

In this embodiment, as shown in fig. 6, the receding groove 12 extends longitudinally along the inner wall of the upper housing 14, the first positioning portion 11 is a step surface extending transversely, and the end of the step surface is connected to the groove wall of the receding groove 12.

In this embodiment, as shown in fig. 6, the groove wall of the relief groove 12 connected to the end of the step face is arranged obliquely.

In this embodiment, the inner wall of the upper housing 14 is further provided with a limiting wall 17, the bottom end of the limiting wall 17 is connected with the head end of the step surface, and the top end of the limiting wall 17 extends to the top end surface of the upper housing 14.

The pressing member 20 is provided with a second latching portion 21, the pressing member 20 can rotate circumferentially or axially relative to the valve housing, the pressing member 20 can rotate between a first circumferential position at which the second latching portion 21 is engaged with the first latching portion 11, and a second circumferential position at which the second latching portion 21 corresponds to the recess 12, when the second latching portion 21 is engaged with the first latching portion 11, the pressing member 20 is axially limited, and when the second latching portion 21 corresponds to the recess 12, the pressing member 20 can move axially.

As shown in fig. 2 and 3, the pressing member 20 is in a sleeve shape, and the bottom end thereof can extend into the movable cavity 16, and the second positioning portion 21 is a boss and is disposed on the outer periphery of the pressing member 20.

In this embodiment, when the pressing member 20 is located at the first circumferential position, the second positioning portion 21 abuts against the stopper wall 17 to circumferentially limit the pressing member 20.

The restoring elastic member 30 can restore the pressing member 20 in the axial direction and in the circumferential direction, and has one end connected to the pressing member 20 and the other end connected to the valve housing.

In this embodiment, the elastic return element 30 is a spring, and two ends of the spring are respectively provided with a first pin 31 and a second pin 32, the pressing element 20 is internally provided with a first insertion hole 22, the inner wall of the upper shell 14 is provided with a second insertion hole 18, the first pin 31 is inserted upwards into the first insertion hole 22, and the second pin 32 is inserted downwards into the second insertion hole 18.

In this embodiment, the automatic reset valve core further comprises an inner core assembly, which is installed in the valve housing and is in transmission connection with the pressing member 20. The structure of the inner core assembly is the prior art and is not described in detail.

In an initial state, as shown in fig. 1, the pressing member 20 is located at a first circumferential position, that is, the second detent portion 21 is engaged with the first detent portion 11, the pressing member 20 is axially limited, and the pressing member 20 cannot move axially no matter how the pressing member 20 is pressed, that is, the valve element cannot be opened or closed or switched; the state can prevent the misoperation of children and has the function of child lock.

When an adult needs to use the pressure member, the adult only needs to rotate the pressure member 20 clockwise at the position shown in fig. 1 to move from the first circumferential position to the second circumferential position, at this time, the second positioning portion 21 corresponds to the receding groove 12, the second circumferential position is also the initial position of the pressure member 20 in the axial direction, and then, when the pressure member 20 is pressed axially, the receding groove 12 can recede the second positioning portion 21, so that the pressure member 20 can move axially to perform the opening and closing or switching operation. Meanwhile, the pressing member 20 may be switched or switched by continuously maintaining the pressing thereof, and when the switching or switching is not required, the pressing member 20 may be released, and the pressing member 20 is restored to the second circumferential position and then to the first circumferential position under the action of the restoring elastic member 30, and then restored to the initial state of the pressing member 20.

The automatic reset valve core not only has the child lock function, but also only needs to keep the pressing state of the pressing piece 20 when the valve core is opened or closed or switched, the pressing force is small, and the valve core is convenient to switch or close.

The faucet adopts the automatic reset valve core with the child lock function.

The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.

Claims

1. Automatic re-setting case with child lock function, its characterized in that: it includes:

2. The automatic reset valve core with the child lock function according to claim 1, characterized in that: the abdicating groove extends longitudinally along the inner wall of the valve shell, the first clamping part is a transversely extending step surface, the tail end of the step surface is connected with the wall of the abdicating groove, and the second clamping part is a boss.

3. The automatic reset valve core with the child lock function according to claim 2, characterized in that: the wall of the abdicating groove connected with the tail end of the step surface is obliquely arranged.

4. The automatic reset valve core with the child lock function according to claim 2, characterized in that: the valve shell inner wall still is equipped with spacing wall, and this spacing wall bottom links to each other with the step face head end, and second screens portion leans on when the pressing piece is located first circumference position and carries out circumference spacing with carrying out the pressing piece on this spacing wall.

5. The automatic reset valve core with the child lock function according to claim 1, characterized in that: the reset elastic piece is a spring, the two ends of the spring are respectively provided with a first pin and a second pin, a first jack is arranged in the pressing piece, the inner wall of the valve shell is provided with a second jack, the first pin is upwards inserted into the first jack, and the second pin is downwards inserted into the second jack.

6. The automatic reset valve core with the child lock function according to claim 1, characterized in that: still include the inner core subassembly, the inner core subassembly is installed in the valve casing and transmission connection pressing piece.

7. The tap, its characterized in that: the faucet adopts the automatic reset valve core with the child lock function as claimed in any one of claims 1 to 6.