A push button switching valve

Abstract

The present invention discloses a button-type switching valve, comprising an upper shell, a lower shell and a sealing shaft, wherein the upper shell and the lower shell are connected to each other to form a shell, the sealing shaft is arranged in the shell, the lower shell is provided with a water inlet and more than one water outlet, the sealing shaft is provided with a water stop ring, one end of the sealing shaft cooperates with one end of a rotating part, the rotating part is provided with a stopper, the upper shell is provided with step surfaces of different heights that cooperate with the stopper and contact, each step surface corresponds to a water outlet state, the other end of the rotating part is cooperated and connected with a button, the button is provided with a protrusion that interacts with the stopper, and a spring is provided between the other end of the sealing shaft and the lower shell. Through the design of the above structure, the present invention realizes the switching of more water channel functions and enhances the diversity of the switching valve.

Description

Technical Field

[0001] The invention relates to a waterway switching valve. Background Art

[0002] When the existing button-type switching valve is in working state, the rotating part of the pen core structure drives the shaft to move axially, thereby realizing the sealing of the water channel, and can only realize water use for turning on or off water or other two-function switching. Summary of the invention

[0003] In order to solve the above technical problems, the purpose of the present invention is to provide a button-type switching valve, which realizes the switching of multifunctional waterways through structural improvements, enhances the diversity of waterways, and thus achieves diversity in water use.

[0004] The present invention is achieved through the following technical solutions:

[0005] A button-type switching valve comprises an upper shell, a lower shell and a sealing shaft, wherein the upper shell and the lower shell are connected to each other to form a shell, the sealing shaft is arranged in the shell, the lower shell is provided with a water inlet and more than one water outlet, the sealing shaft is provided with a water stop ring, one end of the sealing shaft cooperates with one end of a rotating part, the rotating part is provided with a stopper, the upper shell is provided with step surfaces of different heights that cooperate with the stopper, each step surface corresponds to a water outlet state, the other end of the rotating part is cooperated with a button, the button is provided with a protrusion that interacts with the stopper, and a spring is provided between the other end of the sealing shaft and the lower shell.

[0006] In the embodiment of the present invention, the end surface where the stopper contacts the protrusion is in the shape of an inclined surface, and the end surface where the protrusion contacts the stopper is in the shape of a triangle.

[0007] In the embodiment of the present invention, a water inlet and two water outlets are provided on the lower shell, and the two water outlets are respectively a first water outlet and a second water outlet.

[0008] In the embodiment of the present invention, three water stop rings are arranged on the sealing shaft, namely a first water stop ring, a second water stop ring and a third water stop ring.

[0009] In an embodiment of the present invention, there are three step surfaces, namely a first step surface, a second step surface and a third step surface, wherein the height of the first step surface is smaller than the height of the second step surface, and the height of the second step surface is smaller than the height of the third step surface.

[0010] In an embodiment of the present invention, the first water outlet and the second water outlet are respectively arranged on both sides of the water inlet.

[0011] In an embodiment of the present invention, a protrusion for fixing and installing a water stop ring is provided on the sealing shaft, the two protrusions form a groove, the water stop ring is placed in the groove, and the outer end surface of the protrusion forms a water cutting surface, and the area of ​​the water cutting surface is the same.

[0012] In the embodiment of the present invention, a limiting block is arranged on the button, and a limiting surface matching with the limiting block is arranged in the upper shell.

[0013] In the embodiment of the present invention, a slide groove is arranged on the button, and a slide rail matching with the slide groove is arranged in the upper shell.

[0014] In the embodiment of the present invention, an internal thread is provided in the upper shell, an external thread is provided on the lower shell, and a sealing ring is provided at the joint between the upper shell and the lower shell.

[0015] A button-type switching valve of the present invention has the following beneficial effects:

[0016] 1. Realize the switching of multiple water channels, specifically by axially moving the sealing shaft in the shell, thereby changing the matching position of the second water stop ring and the lower shell, thereby realizing three water channels of water outlet from the first water outlet, water outlet from the second water outlet, or water outlet from the first water outlet and the second water outlet at the same time.

[0017] 2. The water-cutting areas on the outer end faces of the raised parts are all the same, ensuring that the water pressure values ​​on the sealing shaft are the same, thereby ensuring the stability of the pressure value when the user presses the button. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is an exploded view of the present invention.

[0020] Figure 2 It is a schematic diagram of the upper shell of the present invention Figure 1 .

[0021] Figure 3 It is a schematic diagram of the upper shell of the present invention Figure 2 .

[0022] Figure 4 It is an enlarged schematic diagram of the rotating part of the present invention.

[0023] Figure 5 It is an enlarged schematic diagram of the sealing shaft of the present invention.

[0024] Figure 6 It is a schematic diagram of the cooperation between the upper shell and the button in the first waterway state of the present invention.

[0025] Figure 7 It is a cross-sectional view of the present invention in the first water channel state.

[0026] Figure 8 It is a schematic diagram of the cooperation between the upper shell and the button in the second waterway state of the present invention.

[0027] Fig. 9 It is a cross-sectional view of the present invention in the second waterway state.

[0028] Fig.10 It is a schematic diagram of the cooperation between the upper shell and the button in the third waterway state of the present invention.

[0029] Fig.11 It is a cross-sectional view of the present invention in the third waterway state.

[0030] In the figure: 10-upper shell; 15-step surface; 17-limiting surface; 18-internal thread; 19-slide rail; 20-lower shell; 21-first water outlet; 22-second water outlet; 25-water inlet; 28-external thread; 30-sealing shaft; 33-water stop ring; 35-protrusion; 40-rotating member; 45-block; 50-button; 55-protrusion; 57-limiting block; 59-slide groove; 60-spring; 70-sealing ring; 151-first step surface; 152-second step surface; 153-third step surface; 331-first water stop ring; 332-second water stop ring; 333-third water stop ring; 355-water cut-off surface. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0032] Referring to the drawings of the specification, a button-type switching valve comprises an upper shell (10), a lower shell (20) and a sealing shaft (30), wherein the upper shell (10) and the lower shell (20) are connected to each other to form a shell, the sealing shaft (30) is arranged in the shell, the lower shell (20) is provided with a water inlet (25) and more than one water outlet, the sealing shaft (30) is provided with a water stop ring (33), one end of the sealing shaft (30) cooperates with one end of a rotating member (40), the rotating member (40) is provided with a stopper (45), and the upper shell (10) is provided with a stopper (45) that cooperates with the stopper (45). The rotating member (40) comprises a plurality of step surfaces (15) of different heights in contact with each other, each step surface corresponding to a water outlet state, the other end of the rotating member (40) is connected to a button (50), the button (50) is provided with a protrusion (55) interacting with the stopper (45), and a spring (60) is provided between the other end of the sealing shaft (30) and the lower shell (20). The present invention can realize the switching of multiple water path functions through the above structure. The user presses the button (50) to make the sealing shaft (30) move axially in the shell, thereby changing the matching position of the water stop ring (33) and the water inlet (25), thereby changing the water path.

[0033] Furthermore, the end surface of the stopper (45) in contact with the projection (55) is in the shape of an inclined surface, and the end surface of the projection (55) in contact with the stopper (45) is in the shape of a triangle. The inclined surface of the end surface of the stopper (45) in contact with the stopper (45) enables the rotating member (40) to rotate only in a clockwise direction when rotating, thereby ensuring the stability of the switching of the sealing shaft (30), thereby ensuring the stability of the switching of the water path. When the button (50) is pressed inwardly, the projection (55) on the button (50) moves inwardly with the button (50) until it contacts the rotating member (40). ), and then the projection (55) pushes the rotating member (40) out. Since the projection (55) is triangular, the vertex of the projection (55) first contacts the highest surface of the stopper (45). During the inward movement of the projection (55), due to the inclined surface of the contact end surface of the stopper (45), an oblique force is generated during the matching process, thereby causing the rotating member (40) to rotate, thereby changing the position of the stopper (45), thereby changing the matching position of the stopper (45) and the step surface (15).

[0034] Furthermore, the lower shell (20) is provided with a water inlet (25) and two water outlets, wherein the two water outlets are respectively a first water outlet (21) and a second water outlet (22). The water path enters the shell from the water inlet (25), and then the sealing shaft (30) is controlled and selected according to the user pressing a button (50), so as to adjust the water path to flow out from the first water outlet (21) or the second water outlet (22) or both of the first water outlet (21) and the second water outlet (22).

[0035] Furthermore, three water stop rings are provided on the sealing shaft (30), namely a first water stop ring (331), a second water stop ring (332) and a third water stop ring (333); the first water stop ring (331) prevents water from flowing into the upper shell (10); the second water stop ring (332) serves as a switch for switching the water path; and the third water stop ring (333) prevents water from flowing into the lower shell (20) on which the spring (60) is installed.

[0036] Furthermore, the number of the step surfaces is three, namely a first step surface (151), a second step surface (152) and a third step surface (153), wherein the height of the first step surface (151) is smaller than the height of the second step surface (152), and the height of the second step surface (152) is smaller than the height of the third step surface (153); the matching positions of the first step surface (151), the second step surface (152) and the third step surface (153) with the stopper (45) respectively correspond to a water outlet state; when the stopper (45) is placed on the first step surface (151), the compression amount of the spring (60) is the smallest; and when the stopper (45) is placed on the third step surface (153), the compression amount of the spring (60) is the largest.

[0037] Furthermore, the first water outlet (21) and the second water outlet (22) are respectively arranged on both sides of the water inlet (25); the second water stop ring (332) moves between a non-porous position at the right end of the first water outlet (21) and a non-porous position at the left end of the second water outlet (22); the first water stop ring (331) is located at the shell at the left end of the first water outlet (21) when the compression amount of the spring (60) is maximum or minimum, so as to prevent water from flowing into the upper shell (10); the third water stop ring (333) is located at the lower shell (20) at the right end of the second water outlet (22) when the compression amount of the spring (60) is maximum or minimum, so as to prevent water from flowing into the lower shell (20) where the spring (60) is fixed.

[0038] Furthermore, the sealing shaft (30) is provided with a protrusion (35) for fixing and installing the water stop ring (33), the two protrusions (35) form a groove, the water stop ring (33) is placed in the groove, and the outer end surface of the protrusion (35) forms a water cut-off surface (355), and the areas of the water cut-off surfaces (355) are the same. The purpose of designing the water cut-off surfaces (355) with the same area is that when water enters, the sealing shaft (30) maintains the same water impact force under the working conditions of different water channels, so that the force required when pressing the button (50) to switch the water channel is stabilized near a specific value.

[0039] Furthermore, a limit block (57) is provided on the button (50), and a limit surface (17) matching with the limit block (57) is provided in the upper shell (10); the limit block (57) and the limit surface (17) are provided for the purpose of preventing the button (50) from being ejected out of the shell under the restoring force of the spring (60).

[0040] Furthermore, a slide groove (59) is provided on the button (50), and a slide rail (19) matching the slide groove (59) is provided in the upper shell (10), and the setting of the slide groove (59) and the slide rail (19) prevents the button (50) from rotating radially.

[0041] Furthermore, an internal thread (18) is provided in the upper shell (10), an external thread (28) is provided on the lower shell (20), and a sealing ring (70) is provided at the joint between the upper shell (10) and the lower shell (20).

[0042] During use, the present invention has three water outlet states. When the stopper (45) is placed on the first step surface (151), it is the first water outlet state, and the water flows out from the second water outlet (22); when the stopper (45) is placed on the second step surface (152), it is the second water outlet state, and the water flows out from the first water outlet (21) and the second water outlet (22) at the same time; when the stopper (45) is placed on the third step surface (153), it is the third water outlet state, and the water flows out from the first water outlet (21).

[0043] In the first water outlet state, the stopper (45) is placed on the first step surface (151), at which time the compression amount of the spring (60) is minimal. Under the action of the spring (60), the sealing shaft (30) is pushed out to the maximum position close to the outside, and at this time the second water stop ring (332) is located in the shell between the first water outlet (21) and the water inlet (25), so that after the water enters the shell from the water inlet (25), it can only flow out from the second water outlet (22).

[0044] At this time, the button (50) is pressed, and the button (50) moves inward. Under the action of the button (50), the spring (60) is compressed, and the rotating member (40) moves inward and rotates at the same time. The stopper (45) changes from being placed on the first step surface (151) to being placed on the second step surface (152), forming a second water outlet state. At this time, the second water stop ring (332) is located in the middle of the water inlet (25). After the water flows into the shell from the water inlet (25), it can flow out from the gap between the water inlet (25) and the sealing shaft (30) to the first water outlet (21) and the second water outlet (22) respectively.

[0045] At this time, the button (50) continues to be pressed, which is the third water outlet state. During the switching process, the button (50) moves inward. Under the action of the button (50), the spring (60) is compressed to the maximum, and the rotating member (40) moves inward and rotates at the same time. The stopper (45) is changed from the second step surface (152) to be placed on the third step surface (153). At this time, the second water stop ring (332) is located in the shell between the water inlet (25) and the second water outlet (22), so that after the water enters the shell from the water inlet (25), it can only flow out from the first water outlet (21).

[0046] The above description shows and describes the preferred embodiments of the present invention. As mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A button type switching valve, comprising an upper shell, a lower shell and a sealing shaft, wherein the upper shell and the lower shell are connected to each other to form a shell, and the sealing shaft is arranged in the shell, characterized in that: The lower shell is provided with a water inlet and more than one water outlet, the sealing shaft is provided with a water stop ring, one end of the sealing shaft cooperates with one end of a rotating member, the rotating member is provided with a stopper, the upper shell is provided with step surfaces of different heights that cooperate with the stopper, each step surface corresponds to a water outlet state, the other end of the rotating member is cooperated with a button, the button is provided with a convex block that interacts with the stopper, and a spring is provided between the other end of the sealing shaft and the lower shell; The end surface of the stopper in contact with the convex block is in the shape of an inclined surface, and the end surface of the convex block in contact with the stopper is in the shape of a triangle; The lower shell is provided with a water inlet and two water outlets, wherein the two water outlets are respectively a first water outlet and a second water outlet; The number of the step surfaces is three, namely a first step surface, a second step surface and a third step surface, wherein the height of the first step surface is smaller than the height of the second step surface, and the height of the second step surface is smaller than the height of the third step surface; The first water outlet and the second water outlet are respectively arranged on both sides of the water inlet.

2. A push button switching valve according to claim 1, characterized in that: The sealing shaft is provided with three water stop rings, namely a first water stop ring, a second water stop ring and a third water stop ring.

3. A button type switching valve according to any one of claims 1-2, characterized in that: The sealing shaft is provided with a raised portion for fixing and installing a water stop ring, the two raised portions form a groove, the water stop ring is placed in the groove, the outer end surface of the raised portion forms a water cut-off surface, and the areas of the water cut-off surfaces are the same.

4. A push button switching valve according to claim 3, characterized in that: A limiting block is arranged on the button, and a limiting surface matching with the limiting block is arranged in the upper shell.

5. A push button switching valve according to claim 4, characterized in that: The button is provided with a slide groove, and the upper shell is provided with a slide rail matched with the slide groove.

6. A button type switching valve according to any one of claims 1-2 or 4-5, characterized in that: The upper shell is provided with an internal thread, the lower shell is provided with an external thread, and a sealing ring is provided at the joint between the upper shell and the lower shell.

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