Multifunctional valve element

Abstract

A multifunctional valve element comprises an element shell, a valve rod, an element body and an element bottom plate, the element shell is hollow and provided with a lower opening, the closed end of the element shell is provided with a valve rod channel, the valve rod comprises a round disc, a connector, a body part, a rotating part and a driving rod part, the element body comprises a connector part, a head part and an element body part, and the element body part is provided with a water inlet cavity with a hollow lower opening, a radial water outlet hole and an annular water groove; one or two switch water holes are formed in the core bottom plate; the head part is inserted into the core shell; the connector is connected with the joint part; the head part and the core shell as well as the open end of the core shell and the core part are in running fit and are sealed; the core bottom plate is attached and fixed to the lower end of the core part; the water inlet cavity is provided with a lower opening, and one switch water hole or two switch water holes are formed in the core bottom plate, so that single water inlet or cold and hot water inlet conversion can be realized; when a water inlet hole is formed in a valve core cavity of the faucet main body and two switch water holes are formed in a core bottom plate, the faucet can also be applied.

Description

TECHNICAL FIELD

[0001] The utility model relates to a valve core for basin faucet. BACKGROUND

[0002] The prior art, Chinese patent CN200810145265.5 discloses a knob type valve core, which comprises a valve core shell and a bottom cover, a fixed valve plate and a movable valve plate are arranged in an inner cavity formed by the valve core shell and the bottom cover, the movable valve plate is provided with a control knob, the fixed valve plate is provided with cold water quantity adjusting holes and hot water quantity adjusting holes, the movable valve plate comprises a cold water quantity adjusting movable valve plate and a hot water quantity adjusting movable valve plate, both are provided with adjusting knobs which can be controlled from outside, the cold water quantity adjusting movable valve plate and the hot water quantity adjusting movable valve plate are provided with water quantity adjusting grooves, the water quantity adjusting grooves are through holes, the water quantity adjusting grooves provided on the cold water quantity adjusting movable valve plate and the hot water quantity adjusting movable valve plate are matched with the cold water quantity adjusting holes and the hot water quantity adjusting holes on the fixed valve plate, the water quantity adjusting grooves provided on the cold water quantity adjusting movable valve plate and the hot water quantity adjusting movable valve plate are communicated with a mixing cavity arranged in the valve core, and a water outlet hole communicating the mixing cavity with the outside is arranged on the upper end of the valve core shell. The existing problems are: the structure is complex, and it is only suitable for cold and hot mixed water, and the function is single. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a multifunctional valve core which has the characteristics of simple structure, and is suitable for single cold water, single hot water and cold and hot mixed water.

[0004] The utility model is implemented in the following way: a multifunctional valve core, which is characterized by comprising a core shell, a valve rod, a core main body and a core bottom plate,

[0005] The core shell is hollow and has a lower opening, and the closed end is provided with a valve rod passage,

[0006] The valve rod comprises a circular disc, a connecting head, a body part, a rotating part and a driving rod part,

[0007] The core main body comprises a connecting head part, a head part and a core body part, the core body part is provided with a water inlet cavity which is hollow and has a lower opening, a radial water outlet hole and an annular water groove;

[0008] One or two switch water holes are arranged on the core bottom plate;

[0009] The rotating part is rotationally matched with the valve rod passage, the circular disc and the body part, the head part is inserted into the core shell, the connecting head is connected with the connecting head part, the head part is rotationally matched with the core shell and the opening end of the core shell and the core body part and is sealed, the core bottom plate is fixedly attached to the lower end of the core body part, and the switch water hole is communicated with the water inlet cavity.

[0010] The multifunctional valve core is characterized in that an arc-shaped protrusion is arranged on the core shell.

[0011] The body of the valve stem comprises a stem body, a stop plate and an axial protrusion;

[0012] The stem body is rotationally fitted with the radially inner side of the arc-shaped protrusion, and the stop plate is fitted with the arc-shaped protrusion at both ends to stop; the axial protrusion is slidingly fitted with the core shell.

[0013] The multifunctional valve core is characterized in that the stop plate is arc-shaped, and the center of the arc-shaped stop plate and the center of the stem body are spaced apart.

[0014] The multifunctional valve core is characterized in that the center angle of the arc-shaped protrusion is 90 degrees.

[0015] The multifunctional valve core is characterized in that in the closed state, the center angle of one end of the stop plate and one end of the arc-shaped protrusion is 90 degrees.

[0016] The multifunctional valve core is characterized in that the water inlet cavity is provided with an axial sound attenuation rod.

[0017] The multifunctional valve core is characterized in that the core bottom plate is provided with two clamping plates.

[0018] The lower end of the core main body is provided with a counterbore and an axial clamping groove.

[0019] The core bottom plate is embedded and protrudes in the counterbore, and the clamping plate is embedded in the axial clamping groove.

[0020] The multifunctional valve core has a lower opening in the water inlet cavity, and the core bottom plate is provided with one water switch hole or two water switch holes, so that single water inlet or cold and hot water inlet conversion can be realized; when the valve core cavity of the faucet main body is provided with one water inlet hole, the core bottom plate is provided with two water switch holes, and the multifunctional valve core can also be applied. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a sectional view of the utility model.

[0022] Figure 2 is Figure 1 A-A view of.

[0023] Figure 3 is Figure 1 B-B view of.

[0024] Figure 4 is one of the utility model's perspective exploded view.

[0025] Figure 5 is the second perspective exploded view of the utility model.

[0026] Figure 6 is the utility model's perspective view. DETAILED DESCRIPTION

[0027] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for the purpose of explaining the present application, and should not be understood as a limitation of the present application.

[0028] In the description of the present application, it should be noted that, unless explicitly defined and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] As shown in Figure 1 , Figure 4 A multifunctional valve core, comprising a core shell 1, a valve stem 2, a core body 3 and a core base plate 4,

[0030] The core shell 1 is hollow with a lower opening, and the closed end is provided with a valve stem passage 11,

[0031] The valve stem 2 comprises a circular disc 21, a connecting head 22, a body 23, a rotating part 24 and a driving rod part 25, and the connecting head 22 is polygonal;

[0032] The core body 3 comprises a joint part 31, a head part 32 and a core part 33, the core part 33 is provided with a hollow water inlet cavity 331 with a lower opening, a radial water outlet hole 332 and an annular water tank 333; the joint part 31 is provided with a polygonal plug-in cavity;

[0033] The core base plate 4 is provided with one or two switch water holes 41;

[0034] The core shell 1, the valve stem 2 and the core body 3 are made of plastic material, and the core base plate 4 is made of stainless steel plate.

[0035] The rotating part 24 is in rotating cooperation with the valve stem passage 11, the circular disc 21 and the body 23, the head part 32 is inserted into the core shell 1, the connecting head 22 is connected with the joint part 31, the head part 32 is in rotating cooperation and sealing with the core shell 1 and the opening end of the core shell 1 and the core part 33, the core base plate 4 is fixedly attached to the lower end of the core part 33, and the switch water hole 41 is in communication with the water inlet cavity 331;

[0036] Adopting such structure, the components are few, and the structure is simple; when two switch water holes are arranged on the core seat plate 4, the valve core cavity of the hot and cold water basin faucet is not only provided with the cold water hole and the hot water hole, but also provided with one water inlet hole; the core seat plate 4 can also be provided with one switch water hole 41.

[0037] As a further improvement of the utility model: the core shell 1 is internally provided with a circular-arc-shaped protrusion 12;

[0038] The body part 23 of the valve rod 2 comprises a rod body part 231, a stop plate 232 and an axial protrusion 233;

[0039] The rod body part 231 is rotationally matched with the radially inner side of the circular-arc-shaped protrusion 12, the two ends of the stop plate 232 are matched with the circumferential two ends of the circular-arc-shaped protrusion 12 for stop; the axial protrusion 233 is slidably matched with the core shell 1.

[0040] As a further improvement of the utility model: the stop plate 232 is circular-arc-shaped, and the center of the stop plate 232 and the center of the rod body part 231 have a spacing H, as shown in Figure 2 .

[0041] As shown in Figure 2 , the central angle α of the circular-arc-shaped protrusion 12 is 90 degrees;

[0042] The central angle β of one end of the stop plate 232 and one end of the circular-arc-shaped protrusion 12 is 90 degrees; adopting such structure, the valve rod driving core main body 3 rotates 90, the water inlet amount increases until the maximum stop; when returning, the water amount gradually decreases until being closed. The operation is convenient.

[0043] As a further improvement of the utility model: the water inlet cavity 331 is internally provided with an axial sound reduction rod 332.

[0044] As an improvement of the utility model: the core seat plate 4 is provided with two clamping plates 42;

[0045] The lower end of the core main body 3 is provided with a counterbore 34 and an axial clamping groove 35;

[0046] The core seat plate 4 is embedded with the counterbore 34 and protrudes, the clamping plate 42 is embedded with the axial clamping groove 35, and the upper end is bent and buckled with the lower wall plate of the annular water groove.

[0047] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A multifunctional spool, characterized by: The valve core comprises a core shell, a valve stem, a core body and a core bottom plate, The core shell is hollow and has a lower opening and a closed end provided with a valve stem passage, The valve stem comprises a circular disc, a connecting head, a body, a rotating part and a driving rod part, The core body comprises a connecting head part, a head part and a core body part, the core body part is provided with a water inlet cavity with a hollow lower opening, a radial water outlet hole and an annular water groove, The core bottom plate is provided with one or two switch water holes, The rotating part is in rotational cooperation with the valve stem passage, the circular disc and the body, the head part is inserted into the core shell, the connecting head is connected with the connecting head part, the head part is in rotational cooperation and sealing with the core shell and the opening end of the core shell and the core body part, the core bottom plate is fixedly attached to the lower end of the core body part, and the switch water hole is in communication with the water inlet cavity.

2. A multi-functional valve core according to claim 1, characterized in that: The core shell is provided with a circular arc-shaped protrusion, The body of the valve stem comprises a rod body part, a stop plate and an axial protrusion, The rod body part is in rotational cooperation with the radial inner side of the circular arc-shaped protrusion, the stop plate is in cooperation with the circular arc-shaped protrusion at both ends for stop, and the axial protrusion is in sliding cooperation with the core shell.

3. A multi-functional valve core according to claim 2, characterized in that: The stop plate is in the shape of a circular arc, and the center of the stop plate and the center of the rod body part are spaced apart.

4. The multi-functional valve core according to claim 2, characterized in that: The central angle of the circular arc-shaped protrusion is 90 degrees.

5. A multi-functional valve core according to claim 4, characterized in that: In the closed state, the central angle of one end of the stop plate and one end of the circular arc-shaped protrusion is 90 degrees.

6. A multi-functional spool according to claim 1, 2, 3, 4 or 5, characterized in that: The water inlet cavity is provided with an axial sound reduction rod.

7. A multi-functional spool according to claim 1, 2, 3, 4 or 5, characterized in that: The core bottom plate is provided with two clamping plates, The lower end of the core body is provided with a counterbore and an axial clamping groove, The core bottom plate is embedded in the counterbore and protrudes, the clamping plates are embedded in the axial clamping groove, and the upper end of the clamping plates is bent and buckled to the lower wall plate of the annular water groove.

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