CN216715301U - Two-way cold start switching valve core - Google Patents

Abstract

The utility model discloses a bidirectional cold start switching valve core, which comprises a shell, wherein a movable valve block, a static valve block and a rotating handle are arranged in the shell, the static valve block is provided with a cold water inlet, a hot water inlet, a first outlet and a second outlet, the cold water inlet is a first cold water inlet and a second cold water inlet, the movable valve block is provided with a notch A, a notch B, a notch C and a blind groove, the notch A is communicated with the first outlet, the movable valve block is provided with a communicating groove for communicating the notch B with the notch C, the movable valve block is rotated clockwise, the blind groove is cut off by the static valve block, the second cold water inlet is firstly communicated with the communicating groove through the notch B and then is cut off by the passive valve block, the hot water inlet is firstly cut off by the passive valve block and then is communicated with the communicating groove through the notch C, and the communicating groove is communicated with the second outlet through the notch B or the notch C; anticlockwise rotation moves the valve block, and notch B and notch C all are cut off by quiet valve block, and at least one of first cold water inlet and hot water inlet switches on through blind groove and notch A for the case can realize adjusting the temperature and switch the function in water route.

Description

Two-way cold start switching valve core

Technical Field

The utility model relates to the technical field of valve cores, in particular to a bidirectional cold start switching valve core.

Background

The valve core comprises a shell, a valve block structure and a rotating handle, wherein the valve block structure comprises a static valve block fixedly arranged in the shell and a movable valve block which is arranged at the upper end of the static valve block and can rotate in the shell, one end of the rotating handle extends out of the shell and is in running fit with the movable valve block, the existing valve core can only adjust the temperature and the flow of outlet water generally and does not have the function of switching the outlet water, and in places such as a bathroom and the like, two water outlets are generally needed, two water outlet valves capable of realizing water outlet are also arranged at present, but the purpose is achieved by additionally arranging a valve seat and a valve core which are communicated with the water outlets on the shell generally, a plurality of parts are required to be additionally arranged on the shell, the structure is complex, and the maintenance is inconvenient.

Therefore, a valve core which is small in occupied space, low in production cost and low in assembly cost needs to be designed.

Disclosure of Invention

The utility model aims to provide a rotary valve core which is higher in integration level and smaller in occupied space, and the rotary valve core realizes the functions of controlling water outlet, adjusting temperature and switching a water channel through a single valve core.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a two-way cold start switches case, includes the casing, be equipped with valve block and twist grip in the casing, the valve block includes moving valve block and quiet valve block, twist grip sets up at the other end of moving valve block for the quiet valve block and rotates with moving valve block is synchronous, the quiet valve block is equipped with first cold water inlet, hot water inlet, first export and second export, first export sets up the central point at the quiet valve block and puts, first cold water inlet, hot water inlet and second export ring establish the periphery at first export, the second export sets up the one side at hot water inlet, first cold water inlet sets up the opposite side at hot water inlet, its characterized in that: the static valve block is provided with a second cold water inlet which is positioned in the same annular area with the first cold water inlet, the second cold water inlet is arranged on the other side, opposite to the hot water inlet, of the second outlet, the movable valve block is provided with a notch A, a notch B and a notch C, the notch A is communicated with the first outlet, the other end, opposite to the static valve block, of the movable valve block is provided with a communicating groove for communicating the notch B with the notch C, the upper end of the communicating groove is sealed through a rotating handle, and one end, attached to the static valve block, of the movable valve block is provided with a blind groove for communicating the notch A;

in the initial position, the first cold water inlet, the second cold water inlet and the hot water inlet are separated by the passive valve block;

the movable valve block is rotated clockwise, the blind groove is blocked by the static valve block, the second cold water inlet is firstly communicated with the communicating groove through the notch B and then blocked by the passive valve block, the hot water inlet is firstly blocked by the passive valve block and then communicated with the communicating groove through the notch C, and the communicating groove is communicated with the second outlet through the notch B or the notch C;

anticlockwise rotation moves the valve block, notch B and notch C all cut off by quiet valve block, and first cold water inlet switches on with notch A through the blind groove earlier passive valve block cuts off again, and hot water inlet cuts off the rethread blind groove and switches on with notch A by the passive valve block earlier, and notch A switches on with first export.

Further, the position of the movable valve block corresponding to the notch C is provided with a separating part, the separating part separates the notch C into a long notch C and a short notch C, and the long notch C is positioned between the short notch C and the notch B.

Furthermore, the static valve block is attached to one end of the movable valve block and a shielding part is formed in an area between the two corresponding cold water inlets, the area covered by the shielding part can simultaneously shield the blind groove and the notch B, and the cold water inlet and the hot water inlet on the static valve block are both separated by the static valve block.

Further, the side wall of the rotating handle is provided with a containing groove, a limiting pin is arranged in the containing groove, an elastic part is abutted between the limiting pin and the inner end face of the containing groove, the inner wall of the shell is provided with a limiting groove, and when the movable valve block rotates to the initial position, the limiting pin is in limiting fit with the limiting groove.

Furthermore, the perisporium of twist grip is equipped with spacing portion, shells inner wall is equipped with first dog and second dog, cooperates with the clockwise pivoted angle of restriction twist grip through spacing portion and first dog, cooperates with the anticlockwise pivoted angle of restriction twist grip through spacing portion and second dog.

Furthermore, the end face, far away from the notch A, of the blind groove is provided with a protruding part protruding towards the notch A.

Furthermore, a first sealing ring corresponding to the notch A, the notch B and the notch C is arranged between the rotating handle and the movable valve block.

Furthermore, the other end of the static valve block, which is opposite to the movable valve block, is provided with an arc-shaped groove communicated with the two cold water inlets.

Furthermore, the shell comprises a shell body and a bottom shell buckled at the bottom of the shell body, the bottom shell is provided with channels corresponding to the cold water inlet, the hot water inlet, the first outlet and the second outlet in a one-to-one mode, and second sealing rings corresponding to the cold water inlet, the hot water inlet, the first outlet and the second outlet are clamped between the bottom shell and the static valve block.

Furthermore, a limiting structure for limiting the rotation of the static valve block is arranged between the static valve block and the shell body or between the static valve block and the bottom shell.

In conclusion, the utility model has the following beneficial effects:

the rotary valve core has higher integration level and smaller occupied space, realizes the functions of controlling water outlet, adjusting temperature and switching a water channel through a single valve core, and particularly switches the water outlet channel by rotating the handle through a clockwise knob and rotating the handle through anticlockwise screwing, namely, the handle is rotated through the clockwise knob, the valve core discharges water from the second outlet, the handle is rotated through the anticlockwise knob, and the valve core discharges water from the first outlet; the temperature of the discharged water is adjusted by adjusting the screwing angle, and the second outlet keeps the sequential discharge of cold water, warm water and hot water in the process that the movable valve block rotates clockwise from the initial position through the structural design of the static valve block; meanwhile, in the process that the movable valve block rotates anticlockwise from the initial position, the first outlet also keeps the sequential water outlet of cold water, warm water and hot water.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a longitudinal sectional view of the present invention.

Fig. 3 is a transverse cross-sectional view of the present invention.

Fig. 4 is an exploded view of a first perspective of the valve block of the present invention.

Fig. 5 is an exploded view of a second perspective of the valve block of the present invention.

FIG. 6 is a schematic view of the moving valve block of the present invention in an initial position.

Fig. 7 is a process diagram of the clockwise rotation of the moving valve block of the present invention.

Fig. 8 is a process diagram of the counterclockwise rotation of the moving valve block of the present invention.

In the figure: 1. a housing; 11. a housing body; 12. a bottom case; 121. a channel; 13. a limiting groove; 14. a first stopper; 15. a second stopper; 16. a limiting structure; 2. a valve block; 3. a movable valve block; 31. a notch A; 32. a notch B; 33. a notch C; 34. a communicating groove; 35. a blind groove; 36. a partition portion; 37. a boss portion; 4. a static valve block; 41. a first cold water inlet; 42. a second cold water inlet; 43. a hot water inlet; 44. a first outlet; 45. a second outlet; 46. an arc-shaped slot; 47. a shielding portion; 48. a flow guide surface; 5. rotating the handle; 51. a containing groove; 52. a spacing pin; 53. an elastic member; 54. a limiting part; 6. a first seal ring; 7. and a second seal ring.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 8, a two-way cold start switching valve core includes a housing 1, a valve block 2 and a rotating handle 5 are provided in the housing 1, the valve block 2 includes a moving valve block 3 and a static valve block 4, the static valve block 4 is fixedly mounted in the housing 1, the moving valve block 3 can rotate in the housing 1, the rotating handle 5 is provided at the other end of the moving valve block 3 opposite to the static valve block 4 and rotates synchronously with the moving valve block 3, and the rotating handle 5 extends out of the housing 1 opposite to the other end far away from the moving valve block 3.

The static valve block 4 is provided with a first cold water inlet 41, a hot water inlet 43, a first outlet 44 and a second outlet 45, the first outlet 44 is arranged at the central position of the static valve block 4, the first cold water inlet 41, the hot water inlet 43 and the second outlet 45 are annularly arranged at the periphery of the first outlet 44, the second outlet 45 is arranged at one side of the hot water inlet 43, the first cold water inlet 41 is arranged at the other side of the hot water inlet 43, the static valve block 4 is provided with a second cold water inlet which is positioned at the same annular area as the first cold water inlet 41, the second cold water inlet is arranged at the other side of the second outlet 45 relative to the hot water inlet 43, the other end of the static valve block 4 relative to the dynamic valve block 3 is provided with an arc-shaped groove 46 for communicating the two cold water inlets, the dynamic valve block 3 is provided with a notch A31, a notch B32 and a notch C33, wherein the notch A31 is arranged at the central position of the dynamic valve block 3 and is communicated with the first outlet 44, notch B32 and notch C33 set up the periphery at notch A31, notch B32 is arc column structure, it is equipped with intercommunication groove 34 of intercommunication notch B32 and notch C33 for the other end of static valve piece 4 to move valve piece 3, and the upper end of intercommunication groove 34 is sealed through rotating handle 5, intercommunication groove 34 keeps apart the setting with notch A31, the one end of moving valve piece 3 laminating static valve piece 4 is equipped with the blind groove 35 of intercommunication notch A31, be equipped with between rotating handle 5 and the moving valve piece 3 with notch A31, notch B32 and the corresponding first sealing washer 6 of notch C33.

The position of the movable valve block 3 corresponding to the notch C33 is provided with a partition part 36, the partition part 36 divides the notch C33 into a long notch C33 and a short notch C33, wherein the long notch C33 is positioned between the short notch C33 and the notch B32.

The static valve block 4 is attached to one end of the movable valve block 3, a shielding part 47 is formed in an area between the two corresponding cold water inlets, the area covered by the shielding part 47 can simultaneously shield the blind groove 35 and the notch B32, when the movable valve block 3 is at an initial position, the blind groove 35 and the notch B32 are both separated by the shielding part 47, and at the moment, the first outlet 44 and the second outlet 45 do not discharge water.

The shielding part 47 is provided with a flow guide surface 48 which inclines towards one side close to the movable valve block 3 at a position close to the two cold water inlets, and cold water can be conveniently shunted to the cold water inlets at two sides from the arc-shaped groove 46 by the arrangement of the backflow surface.

In the initial position, the first cold water inlet 41, the second cold water inlet 42 and the hot water inlet 43 are blocked by the passive valve block 3.

The movable valve block 3 rotates clockwise from the initial position, the blind groove 35 and the first cold water inlet 41 are always separated by the fixed valve block 4, the second cold water inlet 42 is firstly communicated with the communicating groove 34 through the notch B32 and then separated by the movable valve block 3, the hot water inlet 43 is firstly separated by the movable valve block 3 and then communicated with the communicating groove 34 through the notch C33, and the communicating groove 34 is communicated with the second outlet 45 through the notch B32 or the notch C33, and the method specifically comprises the following steps:

in the first stage, the notch B32 is communicated with the second cold water inlet 42, one end (i.e., the short notch C33) of the notch C33 far from the notch B32 is communicated with the second outlet 45, the hot water inlet 43 is blocked by the passive valve block 3, and at this time, the second outlet 45 discharges cold water;

in the second stage, the notch B32 is communicated with the second cold water inlet 42, one end of the notch C33, which is adjacent to the notch B32 (i.e. the long notch C33), is communicated with the second outlet 45, one end of the notch C33, which is away from the notch B32 (i.e. the short notch C33), is communicated with the hot water inlet 43, at this time, mixed water (warm water obtained by mixing cold water and hot water) flows out of the second outlet 45, and the ratio of the conduction areas of the cold water inlet and the hot water inlet 43 is adjusted by adjusting the rotation angle of the valve block 3 to adjust the temperature of the mixed water;

and in stage three, at least one of the long notch C33 and the notch B32 is communicated with the second outlet 45, at least one of the short notch C33 and the long notch C33 is communicated with the hot water inlet 43, the second cold water inlet 42 is blocked by the valve block 3, and then the second outlet 45 outputs hot water.

The movable valve block 3 rotates anticlockwise from the initial position, the notch B32 and the notch C33 are all cut off by the static valve block 4 all the time, the first cold water inlet 41 is firstly switched on with the notch A31 through the blind groove 35 and then is cut off by the passive valve block 3, the hot water inlet 43 is firstly cut off by the passive valve block 3 and then is switched on with the notch A31 through the blind groove 35, and meanwhile, the first outlet 44 is always communicated with the notch A31, and the movable valve block specifically has the following stages:

in the first stage, the blind groove 35 is communicated with the first cold water inlet 41, and meanwhile, the hot water inlet 43 and the second outlet 45 are both isolated by the passive valve block 3, and at the moment, cold water is discharged from the first outlet 44;

in the second stage, the hot water inlet 43 and the first cold water inlet 41 are both communicated with the blind groove 35, the second outlet 45 is isolated by the passive valve block 3, at this time, the mixed water (warm water mixed by cold water and hot water) is discharged from the first outlet 44, and the ratio of the communicated areas of the cold water inlet and the hot water inlet 43 is adjusted to adjust the temperature of the mixed water through the rotation angle of the movable valve block 3;

and in the third stage, the blind groove 35 is communicated with the hot water inlet 43, the first cold water inlet 41 and the second outlet 45 are both blocked by the valve block 3, and at the moment, the first outlet 44 discharges hot water.

The temperature of the outlet water is adjusted by adjusting the screwing angle, namely the ratio of the second cold water inlet 42 to the hot water inlet 43 when the two inlets are communicated is adjusted by clockwise rotating the movable valve block 3, and the temperature of the outlet water of the second outlet 45 is further adjusted; the proportion of the first cold water inlet 41 and the hot water inlet 43 when being communicated is adjusted by rotating the movable valve block 3 anticlockwise, and then the outlet water temperature of the first outlet 44 is adjusted;

through the structural design of the static valve block 4, the second outlet 45 keeps the sequential water outlet of cold water, warm water and hot water in the process that the movable valve block 3 rotates clockwise from the initial position; meanwhile, during the counterclockwise rotation of the movable valve block 3 from the initial position, the first outlet 44 also keeps the sequential discharge of cold water, warm water and hot water.

The lateral wall of twist grip 5 is equipped with storage tank 51, be equipped with spacer pin 52 in the storage tank 51, butt elastic component 53 between the interior terminal surface of spacer pin 52 and storage tank 51, the inner wall of casing 1 is equipped with spacing groove 13, works as when moving valve piece 3 and rotating to initial position (first export 44 and second export 45 position that do not go out water promptly), spacer pin 52 and the spacing cooperation of spacing groove 13, can take place the sound of striking when spacer pin 52 supports into spacing groove 13, and then can the user learn this moment to move valve piece 3 and be located initial position directly perceivedly, and another is convenient, can prevent to move valve piece 3 through the cooperation of spacer pin 52 and spacing groove 13 and rotated by the mistake.

The peripheral wall of the rotating handle 5 is provided with a limiting part 54, the inner wall of the shell 1 is provided with a first stop block 14 and a second stop block 15, the clockwise rotating angle of the rotating handle 5 is limited through the matching of the limiting part 54 and the first stop block 14, and the anticlockwise rotating angle of the rotating handle 5 is limited through the matching of the limiting part 54 and the second stop block 15.

The end surface of the blind groove 35 far from the notch a31 is provided with a protruding part 37 protruding toward the notch a31, so that the blind groove 35 forms a corner shape with respect to the other side of the notch a31, and the protruding part 37 functions as a flow guide, and when the blind groove 35 is simultaneously communicated with both the cold water inlet and the hot water inlet 43, cold water flowing in from the cold water inlet and hot water flowing in from the hot water inlet 43 can more smoothly flow into the notch a 31.

The two sides of the blind groove 35 are outwardly expanded from the axial center of the movable valve block 3 to the outer circumference of the movable valve block 3, and the two sides of the blind groove 35 form guide walls which are inwardly inclined from the protrusion 37 toward the notch a31, so that the cold water or/and the hot water can be rapidly converged to the notch a 31.

Casing 1 includes shell body 11 and lock joint in the drain pan 12 of shell body 11 bottom, be formed with the cavity between shell body 11 and the drain pan 12, it has rotating handle 5, moving valve piece 3 and quiet valve piece 4 to have set gradually from last to down in the appearance chamber, the upper end inner wall of shell body 11 cooperates with drain pan 12 and restricts rotating handle 5, moving valve piece 3 and quiet valve piece 4 axial motion, be equipped with restriction quiet valve piece 4 pivoted limit structure 16 between quiet valve piece 4 and the shell body 11 or between quiet valve piece 4 and the drain pan 12, drain pan 12 is equipped with the passageway 121 with cold water inlet, hot water inlet 43, first export 44 and second export 45 one-to-one, the second sealing washer 7 corresponding with cold water inlet, hot water inlet 43, first export 44 and second export 45 is put to the clamp between drain pan 12 and quiet valve piece 4.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims (10)

1. The utility model provides a two-way cold start switches case, includes casing (1), be equipped with valve block (2) and twist grip (5) in casing (1), valve block (2) are including moving valve block (3) and static valve block (4), twist grip (5) set up move valve block (3) for the other end of static valve block (4) and with move valve block (3) synchronous rotation, static valve block (4) are equipped with first cold water inlet (41), hot water import (43), first export (44) and second export (45), its characterized in that: the first outlet (44) is arranged at the central position of the static valve block (4), the first cold water inlet (41), the hot water inlet (43) and the second outlet (45) are annularly arranged at the periphery of the first outlet (44), the second outlet (45) is arranged at one side of the hot water inlet (43), the first cold water inlet (41) is arranged at the other side of the hot water inlet (43), the static valve block (4) is provided with a second cold water inlet (42) which is positioned in the same annular area with the first cold water inlet (41), the second cold water inlet (42) is arranged at the other side of the second outlet (45) relative to the hot water inlet (43), the dynamic valve block (3) is provided with a notch A (31), a notch B (32) and a notch C (33), wherein the notch A (31) is communicated with the first outlet (44), and the dynamic valve block (3) is provided with a notch groove (34) communicated with the notch B (32) and the notch C (33) relative to the other end of the static valve block (4), the upper end of the communicating groove (34) is sealed by a rotating handle (5), and a blind groove (35) communicated with the notch A (31) is formed in one end, attached to the static valve block (4), of the dynamic valve block (3);

in the initial position, the first cold water inlet (41), the second cold water inlet (42) and the hot water inlet (43) are separated by the passive valve block (3);

the movable valve block (3) is rotated clockwise, the blind groove (35) is blocked by the static valve block (4), the second cold water inlet (42) is firstly communicated with the communicating groove (34) through the notch B (32) and then blocked by the movable valve block (3), the hot water inlet (43) is firstly blocked by the movable valve block (3) and then communicated with the communicating groove (34) through the notch C (33), and the communicating groove (34) is communicated with the second outlet (45) through the notch B (32) or the notch C (33);

anticlockwise rotation moves valve block (3), notch B (32) and notch C (33) all are cut off by static valve block (4), and first cold water import (41) are switched on through blind groove (35) and notch A (31) earlier and are cut off by passive valve block (3) again, and hot water import (43) are cut off by passive valve block (3) earlier rethread blind groove (35) and are switched on with notch A (31), and notch A (31) and first export (44) switch on.

2. The bi-directional cold start switch spool of claim 1, wherein: the position that moves valve piece (3) corresponds notch C (33) is equipped with partition portion (36), partition portion (36) will long notch C (33) and short notch C (33) are separated into to notch C (33), wherein long notch C (33) are located between short notch C (33) and notch B (32).

3. The bi-directional cold start switch spool of claim 1, wherein: the one end of static valve piece (4) laminating movable valve piece (3) just corresponds the region between two cold water inlets and is formed with shielding part (47), the region that shielding part (47) covered can shelter from blind groove (35) and notch B (32) simultaneously, and cold water inlet and hot water inlet (43) on static valve piece (4) are all cut off by valve piece (3) this moment.

4. The bi-directional cold start switch spool of claim 1, wherein: the lateral wall of twist grip (5) is equipped with storage tank (51), be equipped with spacer pin (52) in storage tank (51), butt elastic component (53) between the interior terminal surface of spacer pin (52) and storage tank (51), the inner wall of casing (1) is equipped with spacing groove (13), works as when moving valve piece (3) rotates to initial position, spacer pin (52) and spacing groove (13) spacing cooperation.

5. The bi-directional cold start switch spool of claim 4, wherein: the peripheral wall of the rotating handle (5) is provided with a limiting part (54), the inner wall of the shell (1) is provided with a first stop block (14) and a second stop block (15), the clockwise rotating angle of the rotating handle (5) is limited through the matching of the limiting part (54) and the first stop block (14), and the anticlockwise rotating angle of the rotating handle (5) is limited through the matching of the limiting part (54) and the second stop block (15).

6. The bi-directional cold start switch spool of claim 1, wherein: the end face, far away from the notch A (31), of the blind groove (35) is provided with a protruding part (37) protruding towards the notch A (31).

7. The bi-directional cold start switch spool of claim 1, wherein: and a first sealing ring (6) corresponding to the notch A (31), the notch B (32) and the notch C (33) is arranged between the rotating handle (5) and the movable valve block (3).

8. The bi-directional cold start switch spool of claim 1, wherein: the other end of the static valve block (4) opposite to the dynamic valve block (3) is provided with an arc-shaped groove (46) communicated with the two cold water inlets.

9. A bi-directional cold start switch spool according to any one of claims 1 to 8, wherein: the shell (1) comprises a shell body (11) and a bottom shell (12) buckled at the bottom of the shell body (11), the bottom shell (12) is provided with channels (121) corresponding to a cold water inlet, a hot water inlet (43), a first outlet (44) and a second outlet (45) in a one-to-one mode, and second sealing rings (7) corresponding to the cold water inlet, the hot water inlet (43), the first outlet (44) and the second outlet (45) are clamped between the bottom shell (12) and the static valve block (4).

10. The bi-directional cold start switch spool of claim 9, wherein: and a limiting structure (16) for limiting the rotation of the static valve block (4) is arranged between the static valve block (4) and the shell body (11) or between the static valve block (4) and the bottom shell (12).

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