Faucet with improved hand wheel

Abstract

A faucet with an improved hand wheel comprises a faucet body, a valve element, the hand wheel, a button, a positioning rod, a spring, a decorative cover, a gasket and a screw, and the faucet body comprises a valve element cavity and a positioning groove; the hand wheel comprises a spline tooth hole, a gasket cavity, a counter bore, a button hole and a guide limiting hole, the spring is arranged in the button hole, the button is in sliding fit with the button hole, the upper end of the spring is matched with the spring cavity, and the positioning rod extends into the button hole through the guide limiting hole to be fixed with the radial fixing hole; the spline type head of a valve rod of the valve element is inserted into the spline tooth hole, the gasket is arranged in the gasket cavity, the screw penetrates through the gasket to be screwed with the spline type head, and the decorative cover is detachably matched with the counter bore. The positioning rod and the positioning groove are embedded in a static state; when the button is pressed, the positioning rod leaves the positioning groove and enters a working state. The hand wheel is provided with a locking device, the hand wheel and the valve element cavity are locked together in a normal state, the button needs to be pressed for unlocking, and the hand wheel rotates; a stranger is prevented from rotating the hand wheel to directly discharge water, and the reminding function is achieved; and danger caused by operation of children is prevented.

Description

Technical Field

[0001] The utility model relates to a faucet. Background Art

[0002] In the current prior art, Chinese Patent CN201210161977.2, a constant temperature self - generating faucet, includes a decorative shell, a bottom shell, a cold water inlet pipe, a hot water inlet pipe, a cold water inlet and a hot water inlet. A bent pipe connector is provided on the decorative shell, and a water outlet bent pipe is provided on the bent pipe connector. A handwheel, a water flow switch valve core and a water flow switch body are provided on the decorative shell. A generator is provided inside the decorative shell, a constant temperature regulating device is provided on the decorative shell, and a display screen connected to the generator is also provided on the decorative shell. The problem is that: for the rotary handwheel, the rotation of the water flow switch valve core is used to control the water outlet, and the handwheel and the valve core cavity cannot be locked. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an improved faucet with a handwheel, which has the characteristics of locking the handwheel and the valve core cavity and improving safety.

[0004] The utility model is realized as follows: An improved faucet with a handwheel includes a faucet main body, a valve core, a handwheel, a button, a positioning rod, a spring, a decorative cover, a gasket and a screw.

[0005] The faucet main body includes a valve core cavity, and a positioning groove with a lower opening is provided on the valve core cavity.

[0006] The handwheel includes a spline tooth hole, a gasket cavity, a counterbore, a button hole and a guiding and limiting hole.

[0007] The button is provided with a radial fixing hole and a spring cavity at the lower end.

[0008] The spring is arranged in the button hole, the button is in sliding fit with the button hole, the upper end of the spring is in fit with the spring cavity, the positioning rod extends into the button hole through the guiding and limiting hole and is fixed with the radial fixing hole; the spline - type head of the valve rod of the valve core is inserted into the spline tooth hole, the gasket is arranged in the gasket cavity, the screw passes through the gasket and is screwed with the spline - type head, and the decorative cover is detachably fitted with the counterbore; the positioning rod is in static fit with the positioning groove; when the button is pressed, the positioning rod leaves the positioning groove and enters the working state.

[0009] Preferably: a protective sleeve cavity is provided in the button hole.

[0010] It further includes a protective sleeve, and the protective sleeve is provided with a radial guiding hole.

[0011] The protective sleeve is arranged in the protective sleeve cavity, and the button and the protective sleeve, the positioning rod and the radial guiding hole are in sliding fit.

[0012] Preferably: the decorative cover includes an end cover plate and a cylindrical body part, and an outer annular groove is provided on the outer surface of the cylindrical body part.

[0013] An inner annular groove is provided on the inner wall of the counterbore;

[0014] It further includes an O-ring;

[0015] The O-ring is embedded in the outer annular groove, and the O-ring is engaged with the inner annular groove and is detachable.

[0016] Preferably: the cross-section of the outer annular groove is square, and the cross-section of the inner annular groove is arc-shaped.

[0017] Preferably: the handwheel is provided with a pry cover groove, and the pry cover groove intersects with the inner annular groove.

[0018] Preferably: one end of the handwheel opposite to the valve core cavity is provided with a cavity,

[0019] It further includes a wear-resistant ring, and the wear-resistant ring includes an axial part and a radial part;

[0020] The axial part is inserted into the cavity, and the radial part is in sliding fit with the end of the valve core cavity.

[0021] For a faucet with an improved handwheel according to the present utility model, the handwheel is provided with a locking device. Under normal conditions, the handwheel and the valve core cavity are locked together, and the handwheel can only rotate after pressing the button to unlock; it prevents outsiders from directly turning the handwheel to discharge water, and has a reminder function; it also prevents children from operating dangerously. Description of the Drawings

[0022] Figure 1 is a perspective view of the present utility model.

[0023] Figure 2 is one of the partial perspective exploded views of the present utility model.

[0024] Figure 3 is the second of the partial perspective exploded views of the present utility model.

[0025] Figure 4 is a partial cross-sectional view of the present utility model.

[0026] Figure 5 is one of the perspective exploded views of the handwheel of the present utility model.

[0027] Figure 6 is the second of the perspective exploded views of the handwheel of the present utility model. Detailed Description of the Preferred Embodiments

[0028] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be directly connected, or indirectly connected through an intermediate medium, and may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] As Figure 1 shown, a faucet with an improved handwheel 3 includes a faucet body 1, a valve core 2, a handwheel 3, a button 4, a positioning rod 5, a spring 6, a decorative cover 7, a gasket 8, and a screw 9.

[0031] The faucet body 1 includes a valve core cavity 1A, and a positioning groove 1B with a lower opening is provided on the valve core cavity.

[0032] The handwheel 3 includes a spline tooth hole 31, a gasket cavity 32, a counterbore 33, a button hole 34, and a guiding and limiting hole 35. The spline tooth hole 31, the gasket cavity 32, and the counterbore 33 are on a straight line. The button hole 34 is in the radial direction, and the guiding and limiting hole 35 communicates with the button hole.

[0033] The button 4 is provided with a radial fixing hole 41 and a spring cavity 42 at the lower end.

[0034] The spring 6 is arranged in the button hole 34. The button 4 is slidably matched with the button hole 34. The upper end of the spring 6 is matched with the spring cavity 42. The positioning rod 5 extends into the button hole 34 through the guiding and limiting hole 35 and is fixed with the radial fixing hole 41. The spline-shaped head 21 of the valve rod of the valve core 2 is inserted into the spline tooth hole 31. The gasket 8 is arranged in the gasket cavity 32. The screw 9 passes through the gasket 8 and is screwed with the spline-shaped head 21. The decorative cover 7 is detachably matched with the counterbore 33. The positioning rod 5 is fitted with the positioning groove 1B in a static state. Press the button 4, and the positioning rod 5 leaves the positioning groove 1B and enters the working state.

[0035] As a further improvement of the present utility model: a protective sleeve cavity 341 is provided in the button hole 34.

[0036] It further includes a protective sleeve 10. The protective sleeve 10 is provided with a radial guiding hole 101, and the protective sleeve 10 has elasticity.

[0037] The protective sleeve 10 is arranged in the protective sleeve cavity 341. The button 4 and the protective sleeve 10, and the positioning rod 5 and the radial guiding hole 101 are slidably matched.

[0038] As a further improvement of the present utility model: the decorative cover 7 includes an end cover plate 71 and a cylindrical body part 72. An outer annular groove 721 is provided on the outer surface of the cylindrical body part 72.

[0039] An inner annular groove 331 is provided on the inner wall of the counterbore 33;

[0040] It further includes an O-ring 11;

[0041] The O-ring 11 is embedded in the outer annular groove 721, and the O-ring 11 is fitted and detachable with the inner annular groove 331. With such a structure, the decorative cover 7 is convenient to disassemble and assemble, and can prevent falling off;

[0042] As a further improvement of the present invention: the cross-section of the outer annular groove 721 is square, and the cross-section of the inner annular groove 331 is arc-shaped.

[0043] As a further improvement of the present invention: the handwheel 3 is provided with a cover prying groove 36, and the cover prying groove 36 intersects with the inner annular groove 331. With such a structure, one end of a rod body is inserted into the cover prying groove 36, and then the end cover plate 71 is driven to achieve quick disassembly.

[0044] As a further improvement of the present invention: one end of the handwheel 3 opposite to the valve core cavity 1A is provided with a cavity,

[0045] It further includes a wear-resistant ring 12, and the wear-resistant ring 12 includes an axial portion 121 and a radial portion 122;

[0046] The axial portion 121 is inserted into the cavity, and the radial portion 122 is in sliding fit with the end of the valve core cavity 1A.

[0047] When the present invention is in use, as Figure 1 、 Figure 4 shown, when the button 4 is pressed downward, the button 4 and the positioning rod 5 move downward together, the button 4 compresses the spring 6, the positioning rod 5 moves downward in the guiding and limiting hole 35 and the positioning groove 1B, and the end of the positioning rod 5 leaves the positioning groove 1B from the open end of the positioning groove 1B;

[0048] The handwheel 3 rotates to drive the valve core 2 to rotate, and the end of the positioning rod 5 rotates in the valve core cavity 1A; water outlet is realized; during the rotation process, the hand feeling is increased; when the handwheel 1 is rotated in the reverse direction, when the positioning rod 5 passes through the open end of the positioning groove 1B, under the action of the elastic force of the spring 6, the positioning rod 5 enters the positioning groove 1B; then, the positioning rod 5 moves upward in the positioning groove 1B and the guiding and limiting hole 35 to achieve locking.

[0049] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention, and the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A faucet with an improved hand wheel, characterized in that: Including faucet body, valve core, handwheel, button, positioning rod, spring, decorative cover, gasket and screws. The faucet body includes a valve core cavity, and a positioning groove with a lower opening is provided on the valve core cavity; The handwheel includes a spline tooth hole, a gasket cavity, a countersunk hole, a button hole and a guide limit hole. The button is provided with a radial fixing hole and a spring cavity at the lower end; The spring is arranged in the button hole, the button and the button hole are slidably matched, the upper end of the spring is matched with the spring cavity, the positioning rod extends into the button hole through the guide limit hole and is fixed with the radial fixing hole; the spline head of the valve stem of the valve core is inserted into the spline tooth hole, the gasket is arranged in the gasket cavity, the screw passes through the gasket and is screwed with the spline head, and the decorative cover and the countersunk hole are detachably matched; the positioning rod and the positioning groove are embedded in a static state; press the button, and the positioning rod leaves the positioning groove and enters a working state.

2. The improved hand wheel faucet according to claim 1, characterized in that: A protective sleeve cavity is provided in the button hole; It also includes a protective sleeve, which is provided with a radial guide hole; The protective sleeve is arranged in the protective sleeve cavity, and the button and the protective sleeve, the positioning rod and the radial guide hole are slidably matched.

3. The faucet with improved hand wheel according to claim 1, characterized in that: The decorative cover comprises an end cover plate and a cylindrical body, and an outer annular groove is provided on the outer surface of the cylindrical body; An inner annular groove is provided on the inner wall of the countersunk hole; Also includes O-rings; The O-ring is embedded in the outer annular groove, and the O-ring is embedded in the inner annular groove and is detachable.

4. The improved hand wheel faucet according to claim 3, characterized in that: The cross section of the outer annular groove is square, and the cross section of the inner annular groove is arc-shaped.

5. The improved hand wheel faucet according to claim 3, characterized in that: The hand wheel is provided with a cover prying groove, and the cover prying groove intersects with the inner annular groove.

6. A faucet with an improved hand wheel according to claim 1, 2, 3, 4 or 5, characterized in that: The end of the hand wheel opposite to the valve core cavity is provided with a cavity. Also includes a wear-resistant ring, the wear-resistant ring includes an axial portion and a radial portion; The axial portion is inserted into the cavity, and the radial portion is slidably matched with the end of the valve core cavity.

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