CN213899901U - Valve core - Google Patents

Abstract

The utility model discloses a valve core, which comprises a valve casing, a base, a water sealing part and a separator, wherein the valve casing is connected with the base to form a valve core seat, and the valve core seat is provided with a valve cavity; the water sealing piece divides the valve cavity into an upper cavity and a lower cavity; the bottom surface of the base extends towards one side of the valve shell to form an annular convex wall with an upward opening, and the annular convex wall enables the lower cavity to form an inner cavity and an outer cavity; the bottom surface of the outer cavity is provided with a water inlet hole, the side wall of the outer cavity is provided with a water outlet hole, and the upper opening of the outer cavity is a water through hole; the separator is arranged in the lower cavity and comprises a fixing part, a sealing part and a deformation part for connecting the fixing part and the sealing part, and the sealing part is arranged corresponding to the water through hole to block or open the water through hole; the mode of water outlet from the lower water inlet side is adopted to adapt to the arrangement of the water passing cavity of the faucet main body.

Description

Valve core

Technical Field

The utility model relates to a part of bathroom product especially relates to a case.

Background

In the chinese patent document with the publication number CN 211082890U, entitled valve core, a structure of the valve core is disclosed, wherein a valve cavity is arranged in the valve core, the valve cavity is divided into an upper cavity and a lower cavity by a water sealing member, the lower cavity is provided with a water inlet hole and a water outlet hole, the water inlet hole is arranged on the side wall of the lower cavity, and the water outlet hole is arranged on the lower bottom surface of the lower cavity; however, the side-entry and water-exit water passing mode is not suitable for every sanitary product, such as a basin faucet, and most of the water entering and side-exit modes are bottom-entry and side-exit water passing modes, and if a side-entry and bottom-exit water valve core is adopted, a water passing cavity of a faucet body matched with the side-entry and bottom-exit water passing mode is not easy to set.

Therefore, it is necessary to improve the structure of the valve body.

SUMMERY OF THE UTILITY MODEL

The utility model provides a valve core for solving the above problems.

In order to achieve the above object, the utility model adopts the following technical scheme:

a valve core comprises a valve shell, a base, a water sealing part and a separating part, wherein the valve shell is connected with the base to form a valve core seat which is provided with a valve cavity;

the water sealing piece separates the valve cavity to form an upper cavity and a lower cavity;

the bottom surface of the base extends towards one side of the valve shell to form an annular convex wall with an upward opening, and the annular convex wall enables the lower cavity to form an inner cavity and an outer cavity; the bottom surface of the outer cavity is provided with a water inlet hole, the side wall of the outer cavity is provided with a water outlet hole, and the upward opening is a water through hole;

the separator is located intracavity down, the separator includes fixed part, sealing and connects the fixed part with the deformation portion of sealing, sealing corresponds the water hole setting is in order to block up or open the water hole of crossing.

Preferably, still include the mounting, the mounting set up in seal the water spare with between the separator, the mounting is the tube-shape, and its opening face court the water hole setting of crossing, the top of mounting sets up a apical pore, seal water spare center along axial extension set up a boss, the boss runs through the apical pore.

Preferably, a third spring is arranged between the fixing piece and the partition piece, and one end of the third spring is sleeved on the boss and abuts against the inner top surface of the fixing piece; the deformation portion is including the deformation body and the grafting post, the grafting post certainly the deformation body to the one end of top surface extends in the mounting, the diameter of grafting post is less than the diameter of the deformation body, the other pot head of third spring is located on the grafting post and support the top in on the terminal surface of the deformation body.

Preferably, the valve casing is close to base one end inner wall is equipped with first internal thread, be provided with on the base with the first external screw thread that first internal thread corresponds, the valve casing with the base passes through first internal thread with first external screw thread looks spiro union forms integratively.

Preferably, the outer wall of the valve casing near one end of the base is provided with a second external thread.

Preferably, the separator divides the lower chamber into an upper valve chamber and a lower valve chamber, the separator is provided with a balance hole and an axial hole which are communicated with the upper valve chamber and the lower valve chamber, the axial hole is sleeved with a switching mechanism, and the switching mechanism is used for closing or opening the axial hole so as to be communicated with the upper valve chamber and the lower valve chamber.

Preferably, the upper chamber is further provided with a pressing plate, the water sealing member is fixed in the upper chamber through the pressing plate and the fixing member, a first opening is formed in the center of the pressing plate, a second opening corresponding to the first opening is formed in the center of the water sealing member, and the switching mechanism penetrates through the first opening and the second opening to abut against the axial hole so as to close or open the axial hole.

Preferably, the switching mechanism comprises a pressing piece, a rotating piece, a second spring and a control shaft, wherein the pressing piece and the rotating piece are mounted on the upper cavity, and the top end of the pressing piece penetrates through the upper surface of the valve shell; the upper cavity wall is provided with a plurality of inclined tables, a plurality of axial guide grooves are formed between each inclined table, and the bottom surfaces of the inclined tables are in a sawtooth shape and are provided with a first inclined surface and a second inclined surface; the side wall of the pressing piece is provided with a guide block which is slidably arranged in the guide groove, and the bottom surface of the pressing piece is also provided with a plurality of ratchets; the side wall of the rotating part is provided with a plurality of rotating lugs, and the top surfaces of the rotating lugs are third inclined surfaces which are obliquely arranged; the top end of the control shaft is rotatably butted with the rotating piece, and the bottom end of the control shaft is arranged corresponding to the axial hole; the second spring is sleeved on the control shaft, and two ends of the second spring respectively abut against the pressing plate and the rotating piece.

Preferably, an annular protrusion is arranged on the outer peripheral wall of one end of the pressing piece in the upper cavity, the pressing piece is sleeved with a first spring, and two ends of the first spring respectively abut against the annular protrusion and the inner top surface of the upper cavity.

Preferably, the pressing piece is provided with a pressing piece inner cavity, and a fastening nut is fixedly arranged in the pressing piece inner cavity.

The utility model has the advantages that:

1) the water inlet hole is arranged on the bottom surface of the valve cavity, and the water outlet hole is arranged on the side wall of the valve cavity, so that a mode of water outlet at the lower water inlet side is formed, and the water outlet mode is suitable for the arrangement of the water passing cavity of the faucet main body needing water outlet at the lower water inlet side;

2) the cylindrical fixing piece is arranged between the water sealing piece and the separating piece, the boss is arranged at the center of the water sealing piece to extend to the top hole of the fixing piece, and the spring is arranged between the fixing piece and the separating piece, so that the spring is prevented from shifting easily and being blocked;

3) the water hole is blocked or opened by controlling the separator through the pressing of the switching mechanism, and the water hole is simple in structure and convenient to operate.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is an exploded view of a valve cartridge according to the present invention.

Fig. 2 is an axonometric view of a valve core of the utility model.

Fig. 3 is a front sectional view of a valve cartridge according to the present invention.

Fig. 4 is an opening state diagram of the valve element of the present invention.

Fig. 5 is a close state diagram of the valve element of the present invention.

Fig. 6 is a schematic diagram of water inlet and outlet of the valve core of the present invention.

Fig. 7 is an axonometric view of a base of the valve element of the present invention.

Fig. 8 is a first perspective view of a base of the valve element of the present invention.

Fig. 9 is an isometric view of a spacer of a valve cartridge according to the present invention.

Reference numbers in the figures:

1. a valve housing; 11. a first internal thread; 12. a second external thread;

2. a base; 21. a first external thread; 22. an annular convex wall; 23. a water inlet hole; 24. a water outlet hole; 25. water passing holes;

3. a water sealing member; 31. a boss;

4. a separator; 41. a fixed part; 42. a sealing part; 43. a deformation section; 431. a deformable body; 432. sleeving the column; 44. a balance hole; 45. an axial bore;

5. a fixing member; 51. a top hole;

6. a third spring;

7. a switching mechanism; 71. a pressing member; 72. a rotating member; 73. a second spring; 74. a control shaft; 75. a first spring; 76. fastening a nut;

8. pressing a plate;

9. filtering with a screen; 91. a first seal ring; 92. a second seal ring; 93. and a third sealing ring.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 9, a valve core according to a preferred embodiment of the present invention includes a valve housing 1, a base 2, a water sealing member 3 and a separating member 4, wherein the valve housing 1 is connected to the base 2 to form a valve core seat having a valve cavity; the water sealing piece 3 separates the valve cavity to form an upper cavity and a lower cavity; an annular convex wall 22 which is opened upwards is arranged on the bottom surface of the base 2 in an extending way towards one side of the valve casing 1, and the annular convex wall 22 enables the lower cavity to form an inner cavity and an outer cavity; the bottom surface of the outer cavity is provided with a water inlet hole 23, the side wall of the outer cavity is provided with a water outlet hole 24, and the upward opening is a water through hole 25; the separator 4 is arranged in the lower cavity, the separator 4 comprises a fixing part 41, a sealing part 42 and a deformation part 43 for connecting the fixing part 41 and the sealing part 42, and the sealing part 42 corresponds to the water passing hole 25 and is arranged to block or open the water passing hole 25.

A first internal thread 11 is arranged on the inner wall of one end of the valve casing 1 close to the base 2, a first external thread 21 corresponding to the first internal thread 11 is arranged on the base 2, and the valve casing 1 and the base 2 are in threaded connection with the first external thread 21 through the first internal thread 11 to form a whole; a second external thread 12 is arranged on the outer wall of one end, close to the base 2, of the valve shell 1, and the second external thread 12 is used for being connected with a faucet matching piece; a first sealing groove is formed above the second external thread 12, a first sealing ring 91 is arranged on the first sealing groove, and the first sealing ring 91 is used for ensuring the sealing performance between the valve core and the side wall of the faucet matching piece; a third sealing groove is formed in the lower bottom surface of the base 2, a third sealing ring 93 is arranged on the third sealing groove, and the third sealing ring 93 is used for ensuring the sealing performance between the valve core and the bottom surface of the faucet matching piece; the lower bottom surface of base 2 still is provided with a filter screen 9, filter screen 9 lid is established inlet opening 23, and the intaking passes through earlier filter screen 9 filters the back reentrant inlet opening 23 is in order to get into in the filter core.

Seal water spare 3 with set up a mounting 5 between the separator 4, mounting 4 is the tube-shape, and its opening face court water hole 25 one side sets up, the top surface of mounting 5 is equipped with a apical pore 51, it is equipped with a boss 31 along axial extension to seal water spare 3 centers, boss 31 stretches into and wears to locate apical pore 51.

A third spring 6 is arranged between the fixing piece 5 and the separating piece 4, and one end of the third spring 6 is sleeved on the boss 31 and abuts against the inner top surface of the fixing piece 5; the deformation portion 43 comprises a deformation body 431 and a sleeving column 432, the sleeving column 432 extends from the deformation body 43 to one end of the inner top surface of the fixing member 5, the diameter of the sleeving column 432 is smaller than that of the deformation body 43, and the other end of the third spring 6 is sleeved on the sleeving column 432 and abuts against the end surface of the deformation body 43.

The partition 4 divides the lower cavity into an upper valve cavity and a lower valve cavity, the partition 4 is provided with a balance hole 44 and an axial hole 45 which are communicated with the upper valve cavity and the lower valve cavity, the axial hole 45 is sleeved with a switching mechanism 7, and the switching mechanism 7 is used for closing or opening the axial hole 45 so as to be communicated with the upper valve cavity and the lower valve cavity; when the switching mechanism 7 enables the axial hole 45 to close the communication between the upper valve cavity and the lower valve cavity, the liquid enters the upper valve cavity through the balance hole 44, and the sealing part 42 is pushed to overcome the action of the deformation part 43 to block the water through hole 25; when the switching mechanism 7 enables the axial hole 45 to communicate with the upper valve cavity and the lower valve cavity, the water pressure of the upper valve cavity and the water pressure of the lower valve cavity are the same, and the sealing part 42 is reset under the action of the deformation part 43 to open the water through hole 25.

The upper cavity is also provided with a pressure plate 8, and a second sealing ring 92 is arranged between the pressure plate 8 and the inner wall of the upper cavity to relieve the collision between the pressure plate 8 and the upper cavity; the water sealing member 3 is fixed in the upper chamber through the pressing plate 8 and the fixing member 5, a first opening is formed in the center of the pressing plate 8, a second opening corresponding to the first opening is formed in the center of the water sealing member 3, and the switching mechanism 7 penetrates through the first opening and the second opening to abut against the axial hole 45 so as to close or open the axial hole 45.

The switching mechanism 7 includes a pressing member 71, a rotating member 72, a second spring 73, and a control shaft 74, wherein the pressing member 71 and the rotating member 72 are mounted on the upper chamber, and a tip of the pressing member 71 is inserted into an upper surface of the valve housing 1; the upper cavity wall is provided with a plurality of inclined tables, a plurality of axial guide grooves are formed between each inclined table, and the bottom surfaces of the inclined tables are in a sawtooth shape and are provided with a first inclined surface and a second inclined surface; a guide block is arranged on the side wall of the pressing piece 71, the guide block is slidably arranged in the guide groove, and a plurality of ratchets are further arranged on the bottom surface of the pressing piece 71; the side wall of the rotating part 72 is provided with a plurality of rotating lugs, and the top surfaces of the rotating lugs are third inclined surfaces which are obliquely arranged; the top end of the control shaft 74 is rotatably abutted with the rotating member 72, and the bottom end of the control shaft 74 is arranged corresponding to the axial hole 45; the second spring 73 is sleeved on the control shaft 74, and two ends of the second spring respectively abut against the pressing plate 8 and the rotating member 72; pressing the pressing member 71, moving the control shaft 74 axially downward, compressing the second spring 73, rotating the rotating member 72 under the action of the third inclined surface and the ratchet teeth during downward movement, sliding the rotating lug out of the guide slot, keeping the control shaft 74 at the first position by the interaction of the third inclined surface and the first inclined surface, and plugging the lower end of the control shaft 74 into the axial hole 45 to close the communication between the upper valve chamber and the lower valve chamber; when the pressing member 71 is pressed continuously, the rotating member 72 rotates, under the action of the second spring 73, the third inclined surface departs from the first inclined surface and continues to rotate along the second inclined surface, the rotating protrusion enters the guide groove to enable the control shaft 74 to be in the second position, and the lower end of the control shaft 74 departs from the axial hole 45 to enable the upper valve chamber and the lower valve chamber to be communicated.

The principle of the switching mechanism is similar to that of the pressing mechanism described in detail in the new patent application publication No. CN207715891U, and therefore, the present embodiment and the drawings of the specification do not describe specific components in further detail and number the components.

An annular protrusion 711 is arranged on the outer peripheral wall of one end of the pressing piece 71 in the upper cavity, a first spring 75 is sleeved on the pressing piece 71, and two ends of the first spring 75 respectively abut against the annular protrusion 711 and the inner top surface of the upper cavity.

The pressing piece 71 is provided with a pressing piece inner cavity, and a fastening nut 76 is fixedly arranged in the pressing piece inner cavity so as to facilitate the installation and fixation of the tap button cap when in use.

The water inlet hole 23 is arranged on the bottom surface of the valve cavity, and the water outlet hole 24 is arranged on the side wall of the valve cavity, so that a mode of water outlet from the lower water inlet side is formed, and the water outlet mode is suitable for the water passing cavity arrangement of a tap main body needing water outlet from the lower water inlet side; a cylindrical fixing piece 5 is arranged between the water sealing piece 3 and the separating piece 4, a boss 31 is arranged at the center of the water sealing piece 3 to extend to a top hole 51 of the fixing piece 5, and a third spring 6 is arranged between the fixing piece 5 and the separating piece 4, so that the third spring 6 is ensured not to be easily displaced and to have faults such as blocking and the like; the water hole is blocked or opened by the separator 4 through the pressing of the switching mechanism 7, the structure is simple, and the operation is convenient.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (10)

1. A valve core is characterized by comprising a valve shell, a base, a water sealing part and a separating part, wherein the valve shell is connected with the base to form a valve core seat which is provided with a valve cavity;

the water sealing piece separates the valve cavity to form an upper cavity and a lower cavity;

the bottom surface of the base extends towards one side of the valve shell to form an annular convex wall with an upward opening, and the annular convex wall enables the lower cavity to form an inner cavity and an outer cavity; the bottom surface of the outer cavity is provided with a water inlet hole, the side wall of the outer cavity is provided with a water outlet hole, and the upward opening is a water through hole;

the separator is located intracavity down, the separator includes fixed part, sealing and connects the fixed part with the deformation portion of sealing, sealing corresponds the water hole setting is in order to block up or open the water hole of crossing.

2. The valve core according to claim 1, further comprising a fixing member, wherein the fixing member is disposed between the water sealing member and the separating member, the fixing member is cylindrical, an opening of the fixing member faces the water through hole, a top hole is disposed at a top of the fixing member, a boss is axially extended from a center of the water sealing member, and the boss penetrates through the top hole.

3. The valve core according to claim 2, wherein a third spring is arranged between the fixing member and the partition member, and one end of the third spring is sleeved on the boss and abuts against the inner top surface of the fixing member; the deformation portion is including the deformation body and the grafting post, the grafting post certainly the deformation body to the one end of top surface extends in the mounting, the diameter of grafting post is less than the diameter of the deformation body, the other pot head of third spring is located on the grafting post and support the top in on the terminal surface of the deformation body.

4. The valve cartridge of claim 1, wherein the valve housing has a first internal thread formed on an inner wall thereof near one end of the base, and a first external thread corresponding to the first internal thread is formed on the base, and the valve housing and the base are integrally screwed with the first external thread via the first internal thread.

5. The valve cartridge of claim 4, wherein the valve housing has a second external thread disposed on an outer wall of the valve housing adjacent the end of the base.

6. The valve core according to any one of claims 2 to 5, wherein the partition divides the lower chamber into an upper valve chamber and a lower valve chamber, the partition is provided with a balance hole communicating the upper valve chamber and the lower valve chamber, and an axial hole, the axial hole is sleeved with a switching mechanism, and the switching mechanism is used for closing or opening the axial hole to communicate the upper valve chamber and the lower valve chamber.

7. The valve element according to claim 6, wherein the upper chamber is further provided with a pressing plate, the water sealing member is fixed in the upper chamber through the pressing plate and the fixing member, a first opening is formed in the center of the pressing plate, a second opening corresponding to the first opening is formed in the center of the water sealing member, and the switching mechanism penetrates through the first opening and the second opening and abuts against the axial hole to close or open the axial hole.

8. The valve cartridge according to claim 7, wherein the switching mechanism comprises a pressing member, a rotating member, a second spring, and a control shaft, the pressing member and the rotating member being mounted to the upper chamber with a top end of the pressing member penetrating through an upper surface of the valve housing; the wall of the upper cavity is provided with a plurality of inclined tables, a plurality of axial guide grooves are formed between every two inclined tables, and the bottom surfaces of the inclined tables are in a sawtooth shape and are provided with a first inclined surface and a second inclined surface; the side wall of the pressing piece is provided with a guide block which is slidably arranged in the guide groove, and the bottom surface of the pressing piece is also provided with a plurality of ratchets; the side wall of the rotating part is provided with a plurality of rotating lugs, and the top surfaces of the rotating lugs are third inclined surfaces which are obliquely arranged; the top end of the control shaft is rotatably butted with the rotating piece, and the bottom end of the control shaft is arranged corresponding to the axial hole; the second spring is sleeved on the control shaft, and two ends of the second spring respectively abut against the pressing plate and the rotating piece.

9. The valve element of claim 8, wherein an annular protrusion is disposed on an outer peripheral wall of one end of the pressing member in the upper cavity, the pressing member is sleeved with a first spring, and two ends of the first spring respectively abut against the annular protrusion and the inner top surface of the upper cavity.

10. The valve cartridge according to claim 8, wherein the pressing member has a pressing member cavity, and a fastening nut is fixedly arranged in the pressing member cavity.

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