A dual-water-circuit valve core

Abstract

A dual-water-path valve core includes a core shell, a driving component, a moving ceramic plate, a stationary ceramic plate, and a base. A stationary pure water port, a stationary cold water port, a stationary hot water port, and a stationary mixed water outlet port are respectively connected to the base's pure water port, base's cold water port, base's hot water port, and base's outlet port. An annular base plate is connected to the moving ceramic plate. The valve stem portion is rotatably fitted and sealed to the valve stem channel. The top plate of the water-guiding chamber is rotatably fitted to the top plate of the core shell, and the water-guiding chamber and core shell form an annular water-guiding chamber. An axial water-guiding hole is connected to the water-guiding chamber. The lower end of the core shell is connected to the base. The top plate of the water-guiding chamber is slidably fitted to the top plate of the core shell. The driving component drives the moving ceramic plate to rotate. The base's pure water port, the stationary pure water port, the axial water-guiding hole, the water-guiding chamber, and the radial water port constitute a pure water path. The mixed water chamber is fitted to the stationary cold water port and the stationary hot water port, and together with the stationary mixed water outlet port and the base's outlet port, forms a mixed water path. The driving component drives the moving ceramic plate to rotate clockwise and counterclockwise, realizing water path switching. The structure is simple and the operation is convenient.

Description

Technical Field

[0001] This utility model relates to a thermostatic valve core. Background Technology

[0002] The existing technology, Chinese patent 202011467065.9, describes a dual-channel ammonium bond valve core for independent operation of domestic water and purified water. It includes a base, a housing, a stationary ceramic plate, a moving ceramic plate, a water guide seat, a sealing cap, a valve stem, a valve core, a knob, and a drive assembly. The stationary ceramic plate is located on the base, with cold water inlet, hot water inlet, and domestic water outlet respectively connected to the cold water inlet, hot water inlet, and domestic water outlet. A radial water guide groove connects to the purified water outlet on the base. The moving ceramic plate is located on the stationary ceramic plate, with the moving axial purified water outlet connected to the stationary axial purified water outlet. The sealing cap is located on the upper opening of the water guide cavity and provides a seal. The base is connected to the lower end of the housing. The cylindrical drive part of the knob rotates and seals with the sleeve of the housing. The bottom cover is liquid-sealed with the top plate of the housing. The drive assembly is located inside the cylindrical drive part of the knob and cooperates with the valve stem. The problem is that domestic water and purified water use different drives and operate independently. Utility Model Content

[0003] The purpose of this utility model is to provide a dual-water-path valve core, which has the characteristics of simple structure and the ability to achieve two types of water-path control by rotating the driving component clockwise and counterclockwise.

[0004] This utility model is implemented as follows: a dual-water-path valve core, characterized in that it includes a core shell, a driving component, a moving ceramic plate, a stationary ceramic plate, and a base.

[0005] The core shell is hollow and has a lower opening, including a valve stem channel on the top plate and radial pure water holes.

[0006] The driving component includes a driving handle, a valve stem, a water guide cavity with a lower opening, a radial water hole, and an annular seat plate. The radial water hole passes through the wall plate of the water guide cavity and the annular seat plate.

[0007] The moving ceramic plate includes axial water guide holes and a mixing cavity located on its lower surface.

[0008] The static ceramic plate includes static pure water outlet, static cold water outlet, static hot water outlet, and static mixed water outlet;

[0009] The base includes a pure water port, a cold water port, a hot water port, and a water outlet port;

[0010] Moving ceramic plates, stationary ceramic plates, and a base are stacked sequentially. The stationary pure water hole, stationary cold water hole, stationary hot water hole, and stationary mixed water outlet hole are connected to the base pure water hole, base cold water hole, base hot water hole, and base outlet hole, respectively. The annular base plate is connected to the moving ceramic plate. The valve stem part is rotatably fitted and sealed with the valve stem channel. The top plate of the water guiding cavity is rotatably fitted with the top plate of the core shell. The water guiding cavity and the core shell form an annular water guiding cavity. The axial water guiding hole is connected to the water guiding cavity. The lower end of the core shell is connected to the base. The top plate of the water guiding cavity is slidably fitted with the top plate of the core shell. The driving component drives the moving ceramic plate to rotate. The base pure water hole, stationary pure water hole, axial water guiding hole, water guiding cavity, and radial water hole form a pure water path. The mixed water cavity is fitted with the stationary cold water hole and stationary hot water hole and forms a mixed water path with the stationary mixed water outlet hole and the base outlet hole.

[0011] The dual-water-path valve core is characterized in that: a pin plate is provided on the annular seat plate, and a pin groove is provided on the moving ceramic plate. The pin plate and the pin groove are inserted into each other, and the driving component and the moving ceramic plate rotate together.

[0012] The dual-water-path valve core is characterized in that: the axial water guide hole of the moving ceramic plate is arc-shaped, and the mixing chamber includes a circular cavity, a long fan-shaped part and a short fan-shaped part located on the axis;

[0013] The lower end and upper end of the static pure water hole of the static ceramic plate are both arc-shaped, with the central angle at the upper end being smaller than that at the lower end.

[0014] The lower end of the stabilizing cold water hole is arc-shaped, and the upper end is arc-shaped. The radial width of the upper end is greater than that of the lower end.

[0015] The lower end of the static hot water hole is arc-shaped, and the upper end is arc-shaped. The radial width of the upper end is smaller than that of the lower end.

[0016] The upper end of the static mixing outlet is circular, and the lower end includes a circular cavity and a static fan-shaped cavity.

[0017] The dual-water-path valve core is characterized in that: the upper end of the pure water port is arc-shaped and the lower end is fan-shaped; the upper end of the cold water port is arc-shaped and the lower end is fan-shaped; and the upper end of the hot water port is arc-shaped and the lower end is fan-shaped.

[0018] The upper end of the water outlet includes a circular cavity and a fan-shaped cavity, while the lower end is arc-shaped.

[0019] This utility model discloses a dual-water-path valve core, in which a driving component drives a moving ceramic disc to rotate clockwise and counterclockwise to achieve water path switching. It has a simple structure and is easy to operate. Attached Figure Description

[0020] Figure 1 This is one of the sectional views of this utility model.

[0021] Figure 2 yes Figure 1 A-A view.

[0022] Figure 3 This is the second sectional view of this utility model.

[0023] Figure 4 This is one of the exploded perspective views of this utility model.

[0024] Figure 5 This is the second exploded perspective view of this utility model.

[0025] Figure 6 This is a perspective view of the present invention.

[0026] Figure 7 This is a perspective view of the stacked moving and stationary ceramic sheets of this utility model.

[0027] Figure 8 This is a perspective view of the moving ceramic sheet of this utility model.

[0028] Figure 9 This is a perspective view of the static ceramic sheet of this utility model. Detailed Implementation

[0029] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] like Figure 1 As shown, a dual-channel valve core includes a core housing 1, a driving component 2, a moving ceramic disc 3, a stationary ceramic disc 4, and a base 5.

[0032] The core shell 1 is hollow and has a lower opening, including a valve stem channel 11 located on the top plate and a radial pure water hole 12.

[0033] The driving component 2 includes a driving handle 21, a valve stem 22, a water guide cavity 23 with a lower opening, a radial water hole 24, and an annular seat plate 25. The radial water hole 24 passes through the water guide cavity 23 and the annular seat plate 25, and the annular seat plate 25 surrounds the opening end of the water guide cavity 24.

[0034] The moving ceramic plate 3 includes an axial water guide hole 31 and a mixing chamber 32 with a lower opening on its lower surface.

[0035] The static ceramic plate 4 includes a static pure water port 41, a static cold water port 42, a static hot water port 43, and a static mixed water outlet port 44;

[0036] The base 5 includes a pure water hole 51, a cold water hole 52, a hot water hole 53, and a water outlet hole 54;

[0037] Moving ceramic plate 3, stationary ceramic plate 4, and base 5 are stacked sequentially. The stationary pure water hole 41, stationary cold water hole 42, stationary hot water hole 43, and stationary mixed water outlet hole 44 are respectively connected to and aligned with the base's pure water hole 51, base's cold water hole 52, base's hot water hole 53, and base's water outlet hole 54. The annular base plate 25 is connected to the moving ceramic plate 3, and the axial guide water hole 31 is connected to the guide water cavity 23. The valve stem portion 22 is rotatably fitted and sealed with the valve stem channel 11. The top plate of the guide water cavity 23 and the top plate of the core shell 1 are rotatably fitted. The guide water cavity 23 and the core shell 1 form an annular guide water cavity. The lower end of the core shell 1 is connected to the base. 5. The water guiding cavity 23, the annular water guiding cavity, and the radial pure water hole 12 are connected; the driving component 2 drives the moving ceramic plate 3 to rotate. The seat pure water hole 51, the static pure water hole 41, the axial water guiding hole 31, the water guiding cavity 23, the annular water guiding cavity, and the radial water hole 24 form a pure water path. The water flow direction is the seat pure water hole 51, the static pure water hole 41, the axial water guiding hole 31, the water guiding cavity 23, the annular water guiding cavity, and the radial water hole 24, or the water flow direction is: radial water hole 24, annular water guiding cavity, water guiding cavity 23, axial water guiding hole 31, static pure water hole 41, and seat pure water hole 51.

[0038] The mixing chamber 32 is matched with the static cold water hole 42 and the static hot water hole 43, and together with the static mixing outlet hole 44 and the seat outlet hole 54, it forms a mixing path.

[0039] As a further improvement of this utility model: the annular seat plate 25 is provided with a pin plate 251, and the moving ceramic plate 3 is provided with a pin groove 33. The pin plate 251 and the pin groove 33 are inserted into each other, and the driving member 2 and the moving ceramic plate 3 rotate together.

[0040] like Figure 5 , Figure 8 As shown, the axial water guide hole 31 of the moving ceramic plate 3 is arc-shaped, and the mixing chamber 32 includes a circular cavity 321, a short fan-shaped portion 322, and a long fan-shaped portion 323 located on the axis. Figure 8 In the middle, the short sector portion 322 and the long sector portion 323 are arranged sequentially in a clockwise direction;

[0041] like Figure 4 , Figure 5 , Figure 9 As shown, the lower end and upper end of the static pure water hole 41 of the static ceramic plate 4 are arc-shaped, and the central angle of the upper end is smaller than that of the lower end.

[0042] The lower end of the static cooling water hole 42 is arc-shaped, and the upper end is arc-shaped. The radial width of the upper end is greater than that of the lower end.

[0043] The lower end of the static hot water hole 43 is arc-shaped, and the upper end is arc-shaped. The radial width of the upper end is smaller than that of the lower end.

[0044] The upper end of the static mixing outlet 44 is circular, and the lower end includes a circular cavity 441 and a static fan-shaped cavity 442.

[0045] The upper end of the pure water hole 51 is arc-shaped and the lower end is fan-shaped; the upper end of the cold water hole 52 is arc-shaped and the lower end is fan-shaped; and the upper end of the hot water hole 53 is arc-shaped and the lower end is fan-shaped.

[0046] The upper end of the water outlet hole 54 includes a circular cavity 541 and a fan-shaped cavity 542, and the lower end is arc-shaped;

[0047] The upper shapes of the pure water hole 51, cold water hole 52, hot water hole 53 and water outlet hole 54 are the same as the lower shapes of the static pure water hole 41, static cold water hole 42, static hot water hole 43 and static mixed water outlet hole 44.

[0048] Figure 7 This is a perspective view of the moving ceramic sheet 3 and the stationary ceramic sheet 4 of this utility model stacked one on top of the other.

[0049] The drive component 2 rotates clockwise, connecting the axial water hole 31 and the static pure water hole 41, thereby realizing the pure water path connection.

[0050] When the drive component 2 rotates counterclockwise, the short fan-shaped portion 322 intersects with the static cold water hole 42 and the area gradually increases, resulting in the output of cold water. Continuing to rotate, the long fan-shaped portion 323 intersects with the static hot water hole 43 and gradually increases in size, resulting in the output of a mixture of hot and cold water. Continuing to rotate further, hot water is output. This structure uses only one drive component, rotating clockwise and counterclockwise to achieve different functions, resulting in a simple structure and convenient operation.

[0051] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A two-waterway valve trim, characterized by: Includes core shell, drive unit, moving ceramic plate, stationary ceramic plate and base. The core shell is hollow and has a lower opening, including a valve stem channel on the top plate and radial pure water holes. The driving component includes a driving handle, a valve stem, a water guide cavity with a lower opening, a radial water hole, and an annular seat plate. The radial water hole passes through the wall plate of the water guide cavity and the annular seat plate. The moving ceramic plate includes axial water guide holes and a mixing cavity located on its lower surface. The static ceramic plate includes static pure water outlet, static cold water outlet, static hot water outlet, and static mixed water outlet; The base includes a pure water port, a cold water port, a hot water port, and a water outlet port; Moving ceramic plates, stationary ceramic plates, and a base are stacked sequentially. The stationary pure water hole, stationary cold water hole, stationary hot water hole, and stationary mixed water outlet hole are connected to the base pure water hole, base cold water hole, base hot water hole, and base outlet hole, respectively. The annular base plate is connected to the moving ceramic plate. The valve stem part is rotatably fitted and sealed with the valve stem channel. The top plate of the water guiding cavity is rotatably fitted with the top plate of the core shell. The water guiding cavity and the core shell form an annular water guiding cavity. The axial water guiding hole is connected to the water guiding cavity. The lower end of the core shell is connected to the base. The top plate of the water guiding cavity is slidably fitted with the top plate of the core shell. The driving component drives the moving ceramic plate to rotate. The base pure water hole, stationary pure water hole, axial water guiding hole, water guiding cavity, and radial water hole form a pure water path. The mixed water cavity is fitted with the stationary cold water hole and stationary hot water hole and forms a mixed water path with the stationary mixed water outlet hole and the base outlet hole.

2. A dual waterway valve trim according to claim 1, wherein: The annular seat plate is provided with a pin plate, and the moving ceramic plate is provided with a pin groove. The pin plate and the pin groove are inserted into each other, and the driving component and the moving ceramic plate rotate together.

3. A dual waterway valve trim according to claim 1 characterized by: The axial water guide hole of the moving ceramic plate is arc-shaped, and the mixing chamber includes a circular cavity, a long fan-shaped part and a short fan-shaped part located on the axis. The lower end and upper end of the static pure water hole of the static ceramic plate are both arc-shaped, with the central angle at the upper end being smaller than that at the lower end. The lower end of the stabilizing cold water hole is arc-shaped, and the upper end is arc-shaped. The radial width of the upper end is greater than that of the lower end. The lower end of the static hot water hole is arc-shaped, and the upper end is arc-shaped. The radial width of the upper end is smaller than that of the lower end. The upper end of the static mixing outlet is circular, and the lower end includes a circular cavity and a static fan-shaped cavity.

4. A dual waterway valve trim according to claim 3, wherein: The upper end of the pure water hole is arc-shaped and the lower end is fan-shaped; the upper end of the cold water hole is arc-shaped and the lower end is fan-shaped; the upper end of the hot water hole is arc-shaped and the lower end is fan-shaped. The upper end of the water outlet includes a circular cavity and a fan-shaped cavity, while the lower end is arc-shaped.

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