CN216923304U

CN216923304U - Hydraulic switching valve

Info

Publication number: CN216923304U
Application number: CN202220607619.9U
Authority: CN
Inventors: 黄贞贞
Original assignee: Xiamen Jiahexi Creative Design Co ltd
Current assignee: Xiamen Jiahexi Creative Design Co ltd
Priority date: 2022-03-19
Filing date: 2022-03-19
Publication date: 2022-07-08
Anticipated expiration: 2032-03-19

Abstract

The utility model discloses a hydraulic switching valve, which comprises: the water inlet valve comprises a first body, a second body and a piston cavity, wherein the first body is provided with a cavity, a water inlet, a through hole and the piston cavity; the second body is fixedly arranged at the lower end of the chamber and is provided with a counter bore coaxial with the through hole, the inner wall of the counter bore is provided with a second ratchet, and the periphery of the counter bore is provided with at least one water outlet hole; the switching disc is movably arranged in the cavity, a valve plate, a piston wall, a third ratchet and a fourth ratchet which are coaxial with the through hole are arranged on the switching disc, the piston wall and the third ratchet are positioned on the valve plate and are respectively matched with the piston cavity and the first ratchet, and the fourth ratchet is positioned below the valve plate and is matched with the second ratchet; the spring is arranged at the lower end of the switching disc in a pre-tightening manner; the switching plate is driven by water power to do periodic rotating motion, the valve plate blocks or opens the water outlet hole in the motion process, and the water channel switching is realized by remotely opening and closing the water channel.

Description

Hydraulic switching valve

Technical Field

The utility model relates to a valve, in particular to a hydraulic switching valve.

Background

Present gondola water faucet is the indispensable sanitary wares in our daily life, improvement along with people's standard of living, the user chooses for use the shower bath who has top shower head usually, top shower head generally sets up in higher position, and be located the human body directly over, shower experience like giving people waterfall, and present top shower head is provided with multiple water outlet mode usually, switch over the water outlet mode of top shower head through setting up switching mechanism, because parts such as carousel and diversion dish all set up in top shower head, switching mechanism rotates with the drive carousel through setting up the switching pole usually, and then switch over water outlet mode, consider the stability of structure, the switching button need be close to top shower head setting, then inconvenient user's switching operation like this, bring inconvenience for the use.

Disclosure of Invention

The technical problem to be solved by the present invention is to overcome the above-mentioned shortcomings of the prior art. Provided is a hydraulic switching valve which can switch a waterway by opening and closing the waterway at a place far away from a sanitary appliance body.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a hydraulic switching valve characterized by comprising: the first body is provided with a cavity and a water inlet communicated with the cavity, a coaxial through hole and a piston cavity are arranged between the water inlet and the cavity, and the inner wall of the through hole is provided with a first ratchet; the second body is fixedly arranged at the lower end of the chamber, a counter bore coaxial with the through hole is arranged on the upper end face of the second body, a second ratchet is arranged on the inner wall of the counter bore, and at least one water outlet hole is arranged on the periphery of the counter bore; the switching disc is movably arranged in the cavity, and is provided with a valve plate, a piston wall, a third ratchet and a fourth ratchet which are coaxial with the through hole, wherein the piston wall and the third ratchet are positioned on the valve plate, and the fourth ratchet is positioned below the valve plate; the spring is arranged at the lower end of the switching disc in a pre-tightening manner; when the switching disc is at the upper end position, the piston wall is in sliding sealing fit with the piston cavity, and the third ratchet is interacted with the first ratchet to enable the switching disc to rotate by an angle; when the switching disc is at a falling position, a water passing gap is formed between the piston wall and the piston cavity, the fourth ratchet and the second ratchet interact with each other, so that the switching disc rotates by an angle in the same direction, and in the periodic movement process of the switching disc, the valve plate blocks the water outlet hole or opens the water outlet hole.

Optionally, the piston cavity is configured as an annular groove, the piston wall is configured as an annular rotator, and a water passing gap is formed between an inner annular surface of the piston wall and an inner annular surface of the piston cavity.

Optionally, an extension ring is disposed at an upper end of the piston wall, and when the switching plate is in the falling position, the extension ring extends into the piston cavity.

Optionally, a first cylinder is arranged at the upper end of the valve plate, the first cylinder is coaxial with the through hole, and the outer wall of the first cylinder is in sliding fit with the inner wall of the first ratchet.

Optionally, a second cylinder is arranged at the lower end of the switching plate, the second cylinder is coaxial with the through hole, and the second cylinder extends downwards and is inserted into the spring.

Optionally, an annular groove is formed between the second cylinder and the fourth ratchet, and the spring is fixed in the annular groove.

Optionally, the first ratchet, the second ratchet, the third ratchet and the fourth ratchet are configured as a plurality of ratchets arranged in an array by taking the rotating shaft of the through hole as an axis.

Optionally, the first ratchet tooth and the third ratchet tooth are configured to have a large ratchet tooth width and a small ratchet tooth width, and/or the fourth ratchet tooth and the second ratchet tooth are configured to have a large ratchet tooth width and a small ratchet tooth width.

Optionally, two or three water outlet holes are arranged.

Optionally, an annular sealing ring is arranged on the side, close to the inner cavity, of the water outlet hole.

The utility model has the beneficial effects that:

according to the utility model, the waterway switching function of the water outlet terminal is realized by opening and closing the waterway at the position far away from the water outlet terminal, so that the problems of inconvenience in switching due to too high or too far water outlet terminal are solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is an exploded perspective view of a hydraulic switching valve according to a preferred embodiment of the present invention;

FIG. 2 is a perspective exploded cross-sectional view of a hydraulic switching valve according to a preferred embodiment of the present invention;

FIG. 3 is a perspective cross-sectional view of a hydraulic switching valve according to a preferred embodiment of the present invention;

FIG. 4 is a front cross-sectional view of a hydraulic switching valve according to a preferred embodiment of the present invention;

FIG. 5 is a detail view of a first body of a hydraulic switch valve according to a preferred embodiment of the present invention;

FIG. 6 is a detail view of a switching plate of a hydraulic switch valve according to a preferred embodiment of the present invention;

FIG. 7 is a detail view of a second body of a hydraulic switch valve according to a preferred embodiment of the present invention;

fig. 8 is a schematic diagram illustrating the operation of a hydraulic switching valve according to a preferred embodiment of the present invention.

In the figure:

10-a first body; 101-a water inlet; 102-a chamber; 103-a through hole; 1031-first ratchet; 104-piston chamber

20-a second body; 201-a first water outlet; 202-a second water outlet; 203-a third water outlet; 204-a counter bore; 2041-second ratchet

30-a switching disk; 301-valve plate; 302-a piston wall; 3021-an extension loop; 303-third ratchet; 304-a fourth ratchet; 305-a first cylinder; 306-a second cylinder; 307-ring groove

40-spring.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. The embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any inventive work, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to analogous items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the utility model product is conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those of ordinary skill in the art.

The following examples are given to illustrate the present invention.

As shown in fig. 1 to 8, a hydraulic switching valve of the present invention is characterized by comprising:

the first body 10 is provided with a chamber 102, a water inlet 101 communicated with the chamber 102, a through hole 103 and a piston cavity 104 which are coaxial are arranged between the water inlet 101 and the chamber 102, and the inner wall of the through hole 103 is provided with a first ratchet 1031;

the second body 20 is fixedly arranged at the lower end of the chamber 102, a counter bore 204 coaxial with the through hole 103 is arranged on the upper end face of the second body, a second ratchet 2041 is arranged on the inner wall of the counter bore 204, and three water outlet holes are arranged on the periphery of the counter bore 204 and are respectively a first water outlet hole 201, a second water outlet hole 202 and a third water outlet hole 203;

the switching plate 30 is movably arranged in the cavity 102, a valve plate 301, a piston wall 302, a third ratchet 303 and a fourth ratchet 304 which are coaxial with the through hole 103 are arranged on the switching plate 30, wherein the piston wall 302 and the third ratchet 303 are positioned on the valve plate 301, and the fourth ratchet 304 is positioned below the valve plate 301;

the spring 40 is arranged at the lower end of the switching disc 30 in a pre-tightening mode;

when the switching plate 30 is at the upper end position, the piston wall 302 is in sliding sealing fit with the piston cavity 104, and the third ratchet teeth 303 interact with the first ratchet teeth 1031 to rotate the switching plate 30 by an angle; it is necessary to explain here: during the falling of switching plate 30, the fit clearance between piston wall 302 and the outer annular wall of piston chamber 104 is small, which is beneficial to hydraulically driving the movement of switching plate 30.

When the switching plate 30 is in the falling position, a water gap is formed between the piston wall 302 and the piston cavity 104, and the fourth ratchet 304 interacts with the second ratchet 2041 to enable the switching plate 30 to rotate by an angle in the same direction, so that the valve plate 301 blocks or opens the water outlet hole during the periodic movement of the switching plate 30.

In this embodiment, the piston chamber 104 is configured as an annular groove, the piston wall 302 is configured as an annular rotator, and an inner annular surface of the piston wall 302 and an inner annular surface of the piston chamber 104 have a water gap.

In this embodiment, an extension ring 3021 is provided on the upper end of the piston wall 302, and the extension ring 3021 extends into the piston chamber 104 when the shift dial 30 is in the lowered position. The arrangement is to improve the smoothness of the fit between the piston wall 302 and the piston cavity 104, and to avoid the occurrence of a stuck state.

In this embodiment, the upper end of the valve plate 301 is provided with a first cylinder 305, the first cylinder 305 is coaxial with the through hole 103, and the outer wall of the first cylinder 305 is in sliding fit with the inner wall of the first ratchet 1031. Thereby improving the coaxiality of the switching disk 30 and facilitating the smooth movement thereof.

In this embodiment, a second cylinder 306 is disposed at the lower end of the switching plate 30, the second cylinder 306 is coaxial with the through hole 103, and the second cylinder 306 extends downward and is inserted into the spring 40.

In this embodiment, an annular groove 307 is formed between the second cylinder 306 and the fourth ratchet 304, and the spring 40 is fixed in the annular groove 307. The spring 40 is prevented from being rattled and caught to the fourth ratchet 304, thereby affecting the rotation of the switching plate 30.

In this embodiment, the first ratchet 1031, the second ratchet 2041, the third ratchet 303, and the fourth ratchet 304 are configured as a plurality of ratchets arranged in an array with the rotation axis of the through hole 103 as an axis.

In this embodiment, the first ratchet 1031 and the second ratchet 2041 are configured as wide ratchets, and the third ratchet 303 and the fourth ratchet 304 are configured as wide ratchets, so that the contact area of the switching plate 30 is reduced during movement, the friction force is small, and the movement reliability is enhanced.

In this embodiment, the annular sealing ring is arranged on the side of the water outlet hole close to the inner cavity, so that the sealing reliability is improved.

The working principle of the present embodiment is (as shown in fig. 8):

a state:

when water is not supplied, the switching disc 30 is at the upper end position under the action of the spring 40, and the third ratchet 303 is inserted into the tooth grooves of the first ratchet 1031 under the action of the first ratchet 1031;

b state:

the waterway is opened, the switching disc 30 moves downwards under the action of water power until the third ratchet 303 is separated from the first ratchet 1031, the downward movement is continued until the fourth ratchet 304 is abutted against the second ratchet 2041 and rotates under the action of the inclined plane of the tooth top of the fourth ratchet 304 until the fourth ratchet 304 is inserted into the tooth groove of the second ratchet 2041, and at this time, the switching disc 30 rotates by a preset angle and falls on the second body 20;

c, state:

closing the water path, the switching plate 30 loses the action of the water force, and moves upwards under the action of the spring 40 until the fourth ratchet 304 is separated from the second ratchet 2041, and continues to move upwards until the third ratchet 303 is abutted against the first ratchet 1031 and rotates under the action of the inclined plane of the tooth top thereof until the third ratchet 303 is inserted into the first tooth groove, and at the same time, the switching plate 30 rotates by an angle;

d state:

the waterway is opened again, the switching plate 30 moves downwards under the action of the water power until the third ratchet 303 is separated from the first ratchet 1031, the downward movement is continued until the fourth ratchet 304 is abutted against the second ratchet 2041 and rotates under the action of the inclined plane of the tooth top thereof until the fourth ratchet 304 is inserted into the tooth groove of the second ratchet 2041, at this time, the switching plate 30 rotates by a preset angle and falls on the second body 20,

therefore, the water channel is switched, the switching disc 30 can rotate periodically, the positions of falling are different every time, and the valve plate 301 on the switching disc 30 blocks or does not block each water outlet hole formed in the second body 20, so that the purpose of switching the water channel is achieved.

The utility model can design the rotation angle of the switching disc 30 according to actual needs, and design the number, position and size of the water outlet holes on the second body 20, thereby realizing various functional combinations, namely the opening and closing of different water paths, the change of flow and the like, and meeting various functional requirements of people on bathroom products.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the utility model 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. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A hydraulic switching valve characterized by comprising:

the first body is provided with a cavity and a water inlet communicated with the cavity, a coaxial through hole and a piston cavity are arranged between the water inlet and the cavity, and the inner wall of the through hole is provided with a first ratchet;

the second body is fixedly arranged at the lower end of the chamber, a counter bore coaxial with the through hole is arranged on the upper end face of the second body, a second ratchet is arranged on the inner wall of the counter bore, and at least one water outlet hole is arranged on the periphery of the counter bore;

the switching disc is movably arranged in the cavity, and is provided with a valve plate, a piston wall, a third ratchet and a fourth ratchet which are coaxial with the through hole, wherein the piston wall and the third ratchet are positioned on the valve plate, and the fourth ratchet is positioned below the valve plate;

the spring is arranged at the lower end of the switching disc in a pre-tightening manner;

when the switching disc is at the upper end position, the piston wall is in sliding sealing fit with the piston cavity, and the third ratchet is interacted with the first ratchet to enable the switching disc to rotate by an angle; when the switching disc is at a falling position, a water passing gap is formed between the piston wall and the piston cavity, the fourth ratchet and the second ratchet interact with each other, so that the switching disc rotates by an angle in the same direction, and in the periodic movement process of the switching disc, the valve plate blocks the water outlet hole or opens the water outlet hole.

2. The hydraulic switching valve of claim 1, wherein the piston cavity is configured as an annular groove, the piston wall is configured as a ring-shaped rotator, and an inner annular surface of the piston wall and an inner annular surface of the piston cavity have a water passing gap.

3. The hydraulic switching valve of claim 2, wherein the piston wall is provided at an upper end thereof with an extension ring, the extension ring extending into the piston cavity when the switching plate is in the lowered position.

4. The hydraulic switching valve as claimed in any one of claims 1, 2 and 3, wherein a first cylinder is arranged at the upper end of the valve plate, the first cylinder is coaxial with the through hole, and the outer wall of the first cylinder is in sliding fit with the inner wall of the first ratchet.

5. The hydraulic switching valve of claim 4, wherein a second cylinder is disposed at a lower end of the switching plate, the second cylinder is coaxial with the through hole, and the second cylinder extends downward and is inserted into the spring.

6. The hydraulic switching valve of claim 5, wherein an annular groove is formed between the second cylinder and the fourth ratchet, and the spring is fixed in the annular groove.

7. The hydraulic switching valve as claimed in any one of claims 1, 2, 3, 5 and 6, wherein the first ratchet, the second ratchet, the third ratchet and the fourth ratchet are configured as a plurality of ratchets arranged in an array with a rotation axis of the through hole as an axis.

8. A hydraulic switching valve according to any one of claims 1, 2, 3, 5 and 6, wherein the first ratchet tooth and the third ratchet tooth are configured to have a large ratchet tooth width and a small ratchet tooth width, and/or the fourth ratchet tooth and the second ratchet tooth are configured to have a large ratchet tooth width and a small ratchet tooth width.

9. A hydraulic switching valve according to any one of claims 1, 2, 3, 5 and 6, wherein two or three water outlet holes are provided.

10. The hydraulic switching valve of claim 9, wherein the water outlet hole is provided with an annular sealing ring near the inner cavity side.