Bidirectional switching cold and hot water mixing valve element

Abstract

A bi-directional switching cold and hot water mixing valve element comprises a shell, a valve rod, a movable ceramic piece, a static ceramic piece and a base, the static ceramic piece is arranged on the base and sealed, a positioning plate is inserted into a positioning groove, and an arc-shaped hot water hole and an arc-shaped cold water hole are in butt joint with a base arc-shaped hot water hole and a base arc-shaped cold water hole respectively; the movable ceramic plate is arranged on the static ceramic plate in a running fit and sealing manner, the body part and the movable ceramic plate are buckled and sealed, and the circular-arc-shaped driving plate is inserted into the circular-arc-shaped inserting groove; the rotating part is rotationally matched with the valve rod channel; the top plate of the body part is rotationally matched with the top plate of the shell; the shell and the base are fixed; the water is discharged from the center through anticlockwise rotation, and the water is discharged from the radial direction through clockwise rotation. The movable ceramic plate and the static ceramic plate adopt the structure, so that water temperature adjustment and waterway conversion are realized, and the structure is simple.

Description

TECHNICAL FIELD

[0001] The utility model relates to a water mixing valve core. BACKGROUND

[0002] The prior art discloses a kind of bidirectional cold start switching valve core, including shell, dynamic valve block, static valve block and rotating handle are equipped in shell, static valve block is equipped with cold water inlet, hot water inlet, first outlet and second outlet, cold water inlet is first cold water inlet and second cold water inlet, dynamic valve block is equipped with notch A, notch B, notch C and blind groove, notch A is communicated with first outlet, dynamic valve block is equipped with the communication groove of notch B and notch C, rotate dynamic valve block clockwise, blind groove is cut off by static valve block, second cold water inlet is first through notch B and communication groove conduction again being cut off by dynamic valve block, hot water inlet is first cut off by dynamic valve block again through notch C and communication groove conduction, communication groove is conducted through notch B or notch C with second outlet;Dynamic valve block is rotated counterclockwise, notch B and notch C are cut off by static valve block, and first cold water inlet and hot water inlet at least one is conducted through blind groove with notch A, so that valve core can realize the function of temperature adjustment and switching waterway. SUMMARY

[0003] The utility model aims at providing a kind of cold and hot water mixing valve core of bidirectional switching, it has the characteristics of simple structure that dynamic ceramic sheet and dynamic ceramic sheet outlet are set respectively.

[0004] The utility model is realized as follows: a kind of cold and hot water mixing valve core of bidirectional switching, its special features are as follows: including shell, valve stem, dynamic ceramic sheet, static ceramic sheet and base,

[0005] Shell has lower opening, including valve stem passage,

[0006] Valve stem includes driving rod part, rotating part, body and circular arc driving plate,

[0007] Dynamic ceramic sheet includes the water guide cavity of upper opening, axial water inlet passage, axial water outlet passage, the circular arc insertion slot of being equipped in upper end and the angular water guide groove of being equipped on lower surface, angular water guide groove includes radial long slot and radial short slot;Radial long slot and radial short slot intersection are located on axis;

[0008] Static ceramic sheet includes static center water outlet hole being equipped on axis, circular arc hot water hole, circular arc cold water hole, radial water outlet hole being equipped in radial edge and static water guide groove and positioning groove being equipped on lower surface, static water guide groove is communicated with the axial lower end of radial water outlet hole;Circular arc cold water hole is equipped with cold water guide groove on the radial inner side;

[0009] The base comprises a seat center outlet hole arranged on the axis, a seat circular arc hot water hole, a seat circular arc cold water hole, a seat radial water outlet hole, a seat water guide groove arranged on the upper surface and a positioning plate, the seat water guide groove is communicated with the axial upper end of the seat radial water outlet hole;

[0010] The static ceramic sheet is arranged on the base and sealed, the positioning plate is inserted into the positioning groove, the circular arc hot water hole and the circular arc cold water hole are respectively butted with the seat circular arc hot water hole and the seat circular arc cold water hole, the dynamic ceramic sheet is arranged on the static ceramic sheet and sealed, the body is buckled with the dynamic ceramic sheet and sealed, the circular arc driving plate is inserted into the circular arc plug-in groove, the rotating part and the valve rod channel are rotationally matched, the top plate of the body is rotationally matched with the top plate of the shell, the shell and the base are fixed, the static state is closed, the central water is rotated in the counterclockwise direction, and the radial water is rotated in the clockwise direction.

[0011] The base comprises a head, a positioning plate, an axial groove and a hook arranged on the head at the upper part of the axial groove,

[0012] The shell comprises a positioning groove, an axial plate and a hook hole;

[0013] The head is inserted into the shell, the positioning plate is embedded into the positioning groove, the axial plate is plugged into the axial groove, and the hook is buckled with the hook hole.

[0014] The body of the valve rod is provided with an arc-shaped guide notch and a device seat, and the device seat is provided with a radial opening accommodating cavity,

[0015] The shell comprises a guide limiting block arranged in the upper part, a valve closing clamping groove, a forward rotation clamping groove and a reverse rotation clamping groove,

[0016] Further comprising a spring and a positioning member;

[0017] The spring is arranged in the accommodating cavity, the positioning member is arranged on the spring and is in sliding cooperation with the inner wall of the shell, and the positioning member is matched with the valve closing clamping groove, the forward rotation clamping groove and the reverse rotation clamping groove respectively.

[0018] The positioning member comprises a conical head and a rod part,

[0019] The rod part is inserted into the spring, and the spring is matched with the bottom circular end of the conical head.

[0020] The shell inner wall between the valve closing clamping groove and the forward rotation clamping groove and between the valve closing clamping groove and the reverse rotation clamping groove is provided with a plurality of teeth.

[0021] The bidirectional switching hot and cold water mixing valve core is characterized in that: the valve stem has a body cavity with a downward opening, and the body cavity is connected to the water guiding cavity of the moving ceramic plate.

[0022] This utility model discloses a bidirectional switching hot and cold water mixing valve core. The moving ceramic disc and the stationary ceramic disc adopt this structure to realize water temperature regulation and water circuit switching. The structure is simple. Attached Figure Description

[0023] Figure 1 This is a cross-sectional view of the present invention.

[0024] Figure 2 yes Figure 1 A-A view.

[0025] Figure 3 yes Figure 1 B-B view.

[0026] Figure 4 This is a perspective view of the moving ceramic sheet and the stationary ceramic sheet of this utility model.

[0027] Figure 5 This is a partial exploded plan view of the present invention.

[0028] Figure 6 This is one of the exploded perspective views of this utility model.

[0029] Figure 7 This is the second exploded perspective view of this utility model. Detailed Implementation

[0030] 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.

[0031] 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.

[0032] like Figure 1 , Figure 2 As shown, a bidirectional switching hot and cold water mixing valve core includes a housing 1, a valve stem 2, a moving ceramic disc 3, a stationary ceramic disc 4, and a base 5.

[0033] The housing 1 has a lower opening and includes a valve stem passage 11.

[0034] The valve stem 2 includes a drive rod portion 21, a rotating portion 22, a body portion 23, and an arc-shaped drive plate 24. The drive rod portion 21, the rotating portion 22, and the body portion 23 are arranged in sequence, and the arc-shaped drive plate 24 is located at the lower end of the body portion.

[0035] The moving ceramic plate 3 includes an upper-opening water guiding cavity 31, an axial water inlet channel 321, an axial water outlet channel 322, an arc-shaped insertion groove 33 at the upper end, and an angled water guiding groove 34 on the lower surface. The angled water guiding groove 34 includes a radial long groove 341 and a radial short groove 342. The intersection 343 of the radial long groove 341 and the radial short groove 342 is located on the axis. The axial water inlet channel 321, the axial water outlet channel 322, and the water guiding cavity 31 are connected.

[0036] like Figure 5 As shown, the static ceramic plate 4 includes a static center water outlet 41 on the axis, an arc-shaped hot water hole 42, an arc-shaped cold water hole 43, a radial water outlet 44 on the radial edge along the axis, and a static water guide groove 441 and a positioning groove 45 on the lower surface. The static water guide groove 441 is connected to the lower axial end of the radial water outlet 44 along the axis; a cold water guide groove 431 is provided on the radial inner side of the arc-shaped cold water hole 43.

[0037] The base 5 includes a central air outlet 51 on the axis, an arc-shaped hot water outlet 52, an arc-shaped cold water outlet 53, a radial water outlet 54, a water guide groove 541 on the upper surface, and a positioning plate 55. The water guide groove 541 is connected to the upper axial end of the radial water outlet 54.

[0038] The stationary ceramic plate 4 is mounted on the base 5 and sealed. The positioning plate 55 is inserted into the positioning groove 45. The arc-shaped hot water hole 42 and the arc-shaped cold water hole 43 are respectively connected to the arc-shaped hot water hole 52 and the arc-shaped cold water hole 53 of the base. The stationary center water outlet 41 is connected to the center air outlet 51 of the base. The radial water outlet 44 is connected to the water guide groove 541 of the base, and the stationary water guide groove 441 is connected to the radial water outlet 54 of the base. The moving ceramic plate 3 is mounted on the stationary ceramic plate 4 and rotates in coordination. It is sealed, with the static center vent 41 intersecting the radial long groove 341 and the radial short groove 342 at point 343. The body 23 is fastened and sealed with the moving ceramic plate 3. The arc-shaped drive plate 24 is inserted into the arc-shaped insertion groove 33. The rotating part 22 and the valve stem channel 11 are rotatably engaged, and the top plate of the body 23 is rotatably engaged with the top plate of the housing 1. The housing 1 and the base 5 are fixed. It is closed in static state, and the center water outlet is rotated counterclockwise and the radial water outlet is rotated clockwise.

[0039] As a further improvement of this utility model: the base 5 includes a head 56, an arc-shaped positioning plate 57, an axial groove 58, and a hook 59 provided on the head 56 above the axial groove.

[0040] The shell 1 comprises a positioning groove 12, an axial plate 13 arranged at the lower end of the shell and a clasp hole 14 arranged on the circumferential wall plate of the shell;

[0041] The head 56 is inserted into the shell 1, the arc-shaped positioning plate 57 is embedded in the positioning groove 12, the axial plate 13 is inserted into the axial groove 58, and the clasp 59 is clamped with the clasp hole 14.

[0042] As a further improvement of the utility model: the body part 23 of the valve rod 2 is provided with an arc-shaped guiding notch 231 and a device seat, and the device seat is provided with a radial opening accommodating cavity 232;

[0043] The shell 1 comprises a guiding limiting block 15 arranged in the upper part, a valve closing clamping groove 16, a forward rotation clamping groove 17 and a reverse rotation clamping groove 18,

[0044] Further comprising a spring 6 and a positioning member 7;

[0045] The spring 6 is arranged in the accommodating cavity 232, the positioning member 7 is arranged on the spring 6 and is in sliding fit with the inner wall of the shell 1, and the positioning member 7 is matched with the valve closing clamping groove 16, the forward rotation clamping groove 17 and the reverse rotation clamping groove 18 respectively.

[0046] As a further improvement of the utility model: the positioning member 7 comprises a conical head 71 and a rod part 72,

[0047] The rod part 72 is inserted into the spring 6, and the spring 6 is matched with the bottom circular end of the conical head 71.

[0048] As a further improvement of the utility model: a plurality of teeth are arranged on the inner wall of the shell 1 between the valve closing clamping groove 16 and the forward rotation clamping groove 17 and between the valve closing clamping groove 16 and the reverse rotation clamping groove 18. The hand feeling is increased.

[0049] As a further improvement of the utility model: the body part 23 of the valve rod 2 is provided with a body part cavity 233 with an opening downwards, and the body part cavity 233 is connected with the water guide cavity 31 of the movable ceramic sheet 3.

[0050] Figure 3 、 Figure 4 、 Figure 5 is the view of the valve closing state of the utility model; in the valve closing state, the valve rod 2 is rotated in the clockwise direction, the movable ceramic sheet 3 is rotated in the clockwise direction along with the valve rod 2, the lower end of the axial water inlet channel 321 intersects with the arc-shaped cold water hole 43 and the radial water outlet hole 44, cold water enters the water guide cavity 31, the axial water inlet channel 321 intersects with the arc-shaped cold water hole 43 and the arc-shaped hot water hole 42 at the same time by continuing to rotate, cold water and hot water enter the water guide cavity 31 through the axial water inlet channel 321, and water is sequentially communicated through another axial water outlet channel 322, the radial water outlet hole 44 and the seat radial water outlet hole 54;

[0051] Figure 3 、 Figure 4 、 Figure 5 is the view of the closed valve state of the utility model; in the closed valve state, rotate in the counterclockwise direction, radial short groove 342 intersects with circular arc cold water hole 43 and is conductive, cold water is conductive; continue to rotate, radial short groove 342 and circular arc hot water hole 42 intersect and are communicated, cold water and hot water enter the intersection 343 simultaneously, and flow out through the static center water outlet hole 41 and the bottom center water outlet hole 51.

[0052] 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 bidirectional switching hot and cold water mixing cartridge, characterized by: The valve comprises a shell, a valve stem, a dynamic ceramic sheet, a static ceramic sheet and a base, The shell has a lower opening, a valve stem channel, The valve stem comprises a driving stem part, a rotating part, a body part and a circular arc driving plate, The dynamic ceramic sheet comprises a water guide cavity, an axial water inlet channel, an axial water outlet channel, a circular arc insertion slot and an angular water guide groove on the lower surface, the angular water guide groove comprises a radial long slot and a radial short slot, and the intersection of the radial long slot and the radial short slot is located on the axis; The static ceramic sheet comprises a static center water outlet hole, a circular arc hot water hole, a circular arc cold water hole, a radial water outlet hole on the radial edge, a static water guide groove on the lower surface and a positioning slot, the static water guide groove is in communication with the axial lower end of the radial water outlet hole, and the radial inner side of the circular arc cold water hole is provided with a cold water guide groove; The base comprises a base center air outlet hole, a base circular arc hot water hole, a base circular arc cold water hole, a base radial water outlet hole, a base water guide groove on the upper surface and a positioning plate, the base water guide groove is in communication with the axial upper end of the base radial water outlet hole; The static ceramic sheet is arranged on the base and is sealed, the positioning plate is inserted into the positioning slot, the circular arc hot water hole and the circular arc cold water hole are respectively butted against the base circular arc hot water hole and the base circular arc cold water hole, the dynamic ceramic sheet is arranged in rotating cooperation with the static ceramic sheet and is sealed, the body part is buckled with the dynamic ceramic sheet and is sealed, and the circular arc driving plate is inserted into the circular arc insertion slot; the rotating part and the valve stem channel are in rotating cooperation, the top plate of the body part and the top plate of the shell are in rotating cooperation; the shell and the base are fixed; the static state is closed, the center water is rotated counterclockwise, and the radial water is rotated clockwise.

2. The bidirectional switching hot and cold water mixing cartridge according to claim 1, characterized in that: The base comprises a head part, a circular arc positioning plate, an axial slot and a hook on the head part on the upper part of the axial slot, The shell comprises a positioning slot, an axial plate and a hook hole; The head part is inserted into the shell, the circular arc positioning plate is embedded in the positioning slot, the axial plate is inserted into the axial slot, and the hook is buckled with the hook hole.

3. The bidirectional switching hot and cold water mixing cartridge valve core according to claim 1, characterized in that: The body part of the valve stem is provided with an optimal arc-shaped guide notch and a device seat, and the device seat is provided with a radial opening accommodating cavity; The shell comprises a guide limiting block arranged in the upper part, a closing valve clamping groove, a forward rotation clamping groove and a reverse rotation clamping groove, Further comprising a spring and a positioning member; The spring is arranged in the accommodating cavity, the positioning member is arranged on the spring and is in sliding cooperation with the inner wall of the shell, and the positioning member is in cooperation with the closing valve clamping groove, the forward rotation clamping groove and the reverse rotation clamping groove respectively.

4. The bidirectional switching hot and cold water mixing cartridge valve core according to claim 3, characterized in that: The positioning member comprises a conical head part and a stem part, The stem part is inserted into the spring, and the spring is in cooperation with the bottom circular end of the conical head part.

5. The bidirectional switching hot and cold water mixing cartridge valve core according to claim 4, characterized in that: A plurality of teeth are arranged on the inner wall of the shell between the closing valve clamping groove and the forward rotation clamping groove and between the closing valve clamping groove and the reverse rotation clamping groove.

6. The bidirectional mixing cartridge of claim 1, wherein: The body part of the valve stem is provided with a lower opening body cavity, and the body cavity is butted against the water guide cavity of the dynamic ceramic sheet.

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