Two-gear type valve element and valve

Abstract

The utility model relates to a two-gear type valve core and a valve, and belongs to the technical field of valves, the two-gear type valve core comprises a valve cover and a moving plate cover moving relative to the valve cover, and the valve cover is in sliding connection with the moving plate cover through a limiting mechanism; the limiting mechanism comprises a sliding block and a sliding groove matched with the sliding block. The sliding block is provided with a first flow section, a protruding section and a second flow section, the protruding section is provided with a first protrusion protruding out of at least one side face of the sliding block, at least one inner side face of the sliding groove is provided with a second protrusion corresponding to the first protrusion, and the second protrusion protrudes towards the center direction of the sliding groove; a first transition part is arranged on the side face of the sliding block and between the first protrusion and the first flow section and / or the second flow section, and the first transition part is used for enabling the second protrusion to smoothly cross the corresponding first protrusion. The beneficial effects of the utility model are that the first transition part plays a guiding role, and the first transition part is used for enabling the second projection to smoothly cross the first projection, so that the pause feeling during gear shifting can be greatly reduced, and the use hand feeling of a user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a two-stage valve core and a valve. Background Art

[0002] The existing two-stage valve core includes a valve stem, which is rotatably mounted on a valve cover. A movable plate cover is mounted at the lower part of the valve cover. The movable plate cover is connected to the valve stem. Lifting the valve stem can drive the movable plate cover to move. Rotating the valve stem can drive the valve cover and the movable plate cover to rotate, thereby changing the relative position of the movable plate cover and the static plate, thereby controlling the inflow and outflow of water.

[0003] The water output of the faucet is mainly controlled by the height of the faucet handle lifted by the hand. The higher the handle is raised, the greater the water output. The amount of water output is controlled manually.

[0004] In order to avoid wasting water resources, existing faucets are often provided with a blocking structure, which enables the faucet to have two gears, a small flow gear and a large flow gear. A blocking structure is provided between the two gears for transition. However, the existing blocking structure is relatively simple, resulting in an obvious pause when shifting gears, and the user feels poor when using it.

[0005] In order to solve the above problems, the utility model provides a two-stage valve core and a valve. Utility Model Content

[0006] In order to solve at least one of the above-mentioned technical problems, the utility model provides a two-speed valve core, including a valve cover and a movable plate cover moving relative to the valve cover, the valve cover and the movable plate cover being slidably connected by a limiting mechanism; the limiting mechanism includes a slider and a slide groove cooperating with the slider; the slider has a first flow section, a protrusion section and a second flow section, the protrusion section has a first protrusion protruding from at least one side surface of the slider, at least one inner side surface of the slide groove is provided with a second protrusion corresponding to the first protrusion, and the second protrusion protrudes toward the center direction of the slide groove; on the side surface of the slider, there is a first transition portion between the first protrusion and the first flow section and / or the second flow section, and the first transition portion is used for the second protrusion to smoothly pass over the corresponding first protrusion.

[0007] Preferably, on the inner side surface of the slide groove, a second transition portion is provided between the second protrusion and the inner side surface, and the second transition portion is used for the second protrusion to smoothly pass over the corresponding first protrusion.

[0008] Preferably, the first flow section and the second flow section have a width a, the raised section has a maximum width b, and the slide groove has a minimum width c at the second raised position, wherein a≤c<b.

[0009] Preferably, along the direction from the first flow segment and / or the second flow segment to the first protrusion, the first transition portion is a smooth curved surface; on the side of the slide groove, along the direction from both sides of the second protrusion to the top of the second protrusion, the second transition portion is a smooth curved surface.

[0010] Preferably, there are two first protrusions, which are symmetrically arranged on two side surfaces of the sliding block; and there are two second protrusions, which are symmetrically arranged on two inner side surfaces of the sliding groove.

[0011] Preferably, the slider is arranged on the valve cover, and the slide groove is arranged on the movable plate cover; or, the slider is arranged on the movable plate cover, and the slide groove is arranged on the valve cover.

[0012] Preferably, when the slider is arranged on the valve cover, the slider is integrally formed with the valve cover, or, at the first raised position, the valve cover is provided with two first cylinders, the slider is provided with a cavity for accommodating the two first cylinders, the slider has the transition portion at the corresponding first raised position, and the slider is sleeved on the two first cylinders; when the slide groove is arranged on the movable plate cover, the slide groove is integrally formed with the movable plate cover, or, at the second raised position, the movable plate cover is provided with a second cylinder for forming the second raised position.

[0013] Preferably, when the slider is arranged on the movable plate cover, the slider is integrally formed with the movable plate cover, or, at the first raised position, the movable plate cover is provided with two first cylinders, the slider is provided with a cavity for accommodating the two first cylinders, the slider has the transition portion at the corresponding first raised position, and the slider is sleeved on the two first cylinders; when the slide groove is arranged on the valve cover, the slide groove is integrally formed with the valve cover, or, at the second raised position, the valve cover is provided with a second cylinder for forming the second raised position.

[0014] Preferably, it also includes a valve stem hinged to the valve cover, one end of the valve stem abuts against the movable plate cover, and the valve stem is used to control the second protrusion to switch between the first flow section, the protrusion section and the second flow section under the action of external force.

[0015] The utility model also provides a valve, comprising the two-stage valve core.

[0016] The beneficial effect of the utility model is that when the water output is adjusted by the hand-held faucet, the second protrusion passes through the first protrusion and will first pass through the first transition portion. The first transition portion plays a guiding role. The first transition portion is used for the second protrusion to smoothly pass over the first protrusion, which can greatly reduce the pause feeling when shifting gears, improve the user's feel, avoid crossing the gear position and directly reaching the limit water output level, and is conducive to saving water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings illustrate exemplary embodiments of the present invention and are used to explain the principles of the present invention together with the description. These drawings are included to provide a further understanding of the present invention, and the drawings are included in and constitute a part of this specification.

[0018] Figure 1 is a structural schematic diagram of an embodiment;

[0019] Figure 2 It is a structural schematic diagram of the moving plate cover;

[0020] Figure 3 It is a structural diagram of the valve cover;

[0021] Figure 4 It is a structural diagram of the valve core (including the valve stem);

[0022] In the figure: 1-valve cover, 2-moving plate cover, 3-sliding groove, 4-sliding block, 5-first protrusion, 6-first transition part, 7-second protrusion, 8-valve stem. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the accompanying drawings and implementations. It is to be understood that the specific implementations described herein are only used to explain the relevant content, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention are shown in the accompanying drawings.

[0024] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] like Figure 1-Figure 4 As shown, a two-stage valve core includes a valve cover 1 and a movable plate cover 2 that moves relative to the valve cover 1, and the valve cover 1 and the movable plate cover 2 are slidably connected through a limiting mechanism; the limiting mechanism includes a slider 4 and a slide groove 3 that cooperates with the slider 4; the slider 4 has a first flow section, a protruding section, and a second flow section, the protruding section has a first protrusion 5 that protrudes from at least one side of the slider 4, at least one inner side of the slide groove 3 is provided with a second protrusion 7 corresponding to the first protrusion 5, and the second protrusion 7 protrudes toward the center direction of the slide groove 3; on the side of the slider 4, there is a first transition portion 6 between the first protrusion 5 and the first flow section and / or the second flow section, and the first transition portion 6 is used for the second protrusion 7 to smoothly pass over the corresponding first protrusion 5. Specifically, the flow corresponding to the first flow section is smaller than the flow corresponding to the second flow section.

[0026] With the above structure, when the water output of the handheld faucet is adjusted, the second protrusion 7 passes through the first protrusion 5 and will first pass through the first transition portion 6. The first transition portion 6 plays a guiding role. The first transition portion 6 is used for the second protrusion 7 to smoothly pass over the first protrusion 5, which can greatly reduce the pause feeling when shifting gears, improve the user's feel, avoid crossing the gear position and directly reaching the limit water output level, which is beneficial to saving water resources.

[0027] In one embodiment, in order to further improve the smoothness when shifting gears, a second transition portion may be provided on the inner side surface of the slide groove 3 between the second protrusion 7 and the inner side surface, and the second transition portion is used for the second protrusion 7 to smoothly pass over the corresponding first protrusion 5 .

[0028] Of course, the valve core can be provided with at least one of the first transition portion 6 and the second transition portion to make the gear shifting smoother.

[0029] In one embodiment, the width of the first flow section and the second flow section is a, the maximum width of the raised section is b, and the minimum width of the slide groove 3 at the position of the second raised section 7 is c, wherein a≤c<b, so that there is a certain sense of resistance when shifting gears, and the first raised section 5 and the second raised section 7 can be made of materials with a certain elasticity, such as plastic.

[0030] In one embodiment, along the direction from the first flow section and / or the second flow section to the first protrusion 5, the first transition portion 6 is a smooth curved surface; on the side of the slide groove 3, along the direction from both sides of the second protrusion 7 to the top of the second protrusion 7, the second transition portion is a smooth curved surface.

[0031] In one embodiment, there are two first protrusions 5, which are symmetrically arranged on two sides of the slider 4; there are two second protrusions 7, which are symmetrically arranged on two inner sides of the slide slot 3. With two protrusions, the force on the movable plate cover 2 is more uniform and the operation is more stable.

[0032] In one embodiment, the slider 4 is disposed on the valve cover 1 , and the slide groove 3 is disposed on the rotor cover 2 ; or, the slider 4 is disposed on the rotor cover 2 , and the slide groove 3 is disposed on the valve cover 1 .

[0033] In a specific scheme, when the slider 4 is provided on the valve cover 1, the slider 4 is integrally formed with the valve cover 1, or, at the position of the first protrusion 5, the valve cover 1 is provided with two first cylinders, the slider 4 is provided with a cavity for accommodating the two first cylinders, the slider 4 has a transition portion at the position of the corresponding first protrusion 5, and the slider 4 is sleeved on the two first cylinders; when the slide groove 3 is provided on the movable plate cover 2, the slide groove 3 is integrally formed with the movable plate cover 2, or, at the position of the second protrusion 7, the movable plate cover 2 is provided with a second cylinder for forming the second protrusion 7.

[0034] In another scheme, when the slider 4 is arranged on the movable plate cover 2, the slider 4 is integrally formed with the movable plate cover 2, or, at the position of the first protrusion 5, the movable plate cover 2 is provided with two first cylinders, the slider 4 is provided with a cavity for accommodating the two first cylinders, the slider 4 has a transition portion at the position of the corresponding first protrusion 5, and the slider 4 is sleeved on the two first cylinders; when the slide groove 3 is arranged on the valve cover 1, the slide groove 3 is integrally formed with the valve cover 1, or, at the position of the second protrusion 7, the valve cover 1 is provided with a second cylinder for forming the second protrusion 7.

[0035] The side surface of the first transition portion 6 can be a slope, and the angle between the slope and the side surface of the slider 4 is 10°-30°. Two first transition portions 6 corresponding to each first cylinder can be provided, which can be arranged on both sides of the first cylinder. The first cylinder protrudes from two adjacent first transition portions 6, and the first transition portion 6 and the slider 4 are an integral structure. The side surfaces of the two first transition portions 6 and the protruding arc surface of the first cylinder form a smooth transition curved surface.

[0036] like Figure 4 As shown, in one embodiment, it also includes a valve stem 8 hinged to the valve cover 1, one end of the valve stem 8 abuts against the movable plate cover 2, and the valve stem 8 is used to control the second protrusion 7 to switch between the first flow section, the protrusion section and the second flow section under the action of external force.

[0037] The working process of the utility model is as follows: when the valve is opened, the valve stem 8 drives the movable plate cover 2 to slide relative to the valve cover 1, and the second protrusion 7 first slides in the first flow section of the slider 4. At this time, the valve is in a small water volume gear and the water output is small. Continue to lift the valve stem 8, and the second protrusion 7 passes through the first transition portion 6 and, under the guidance of the first transition portion 6, crosses the first protrusion 5. At this time, the valve is in a semi-open state. Further lift the valve stem 8, and the second protrusion 7 slides into the second flow section of the slider 4, that is, the valve is in a large water volume gear and the water output is large, until the slider 4 is in the extreme position of the slide slot 3, the water output of the valve is the maximum, and the valve closing process can be operated in the reverse direction of the opening process.

[0038] The utility model also discloses a valve, comprising the two-stage valve core.

[0039] In the description of this specification, the description with reference to the terms "one embodiment / method", "some embodiments / methods", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment / method or example are included in at least one embodiment / method or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment / method or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments / methods or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments / methods or examples described in this specification and the features of the different embodiments / methods or examples, unless they are contradictory.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0041] Those skilled in the art should understand that the above embodiments are only for the purpose of clearly illustrating the present invention, and are not intended to limit the scope of the present invention. For those skilled in the art, other changes or modifications may be made based on the above disclosure, and these changes or modifications are still within the scope of the present invention.

Claims

1. A two-stage valve core, characterized in that: It comprises a valve cover (1) and a movable plate cover (2) which moves relative to the valve cover (1), wherein the valve cover (1) and the movable plate cover (2) are slidably connected via a limiting mechanism; The limiting mechanism comprises a slider (4) and a slide groove (3) matched with the slider (4); The slider (4) has a first flow section, a protrusion section and a second flow section, the protrusion section has a first protrusion (5) protruding from at least one side surface of the slider (4), at least one inner side surface of the slide groove (3) is provided with a second protrusion (7) corresponding to the first protrusion (5), and the second protrusion (7) protrudes toward the center direction of the slide groove (3); On the side of the slider (4), there is a first transition portion (6) between the first protrusion (5) and the first flow section and / or the second flow section, and the first transition portion (6) is used for the second protrusion (7) to smoothly pass over the corresponding first protrusion (5).

2. The two-stage valve core according to claim 1, characterized in that: On the inner side surface of the slide groove (3), a second transition portion is provided between the second protrusion (7) and the inner side surface, and the second transition portion is used for the second protrusion (7) to smoothly pass over the corresponding first protrusion (5).

3. The two-stage valve core according to claim 1, characterized in that: The first flow section and the second flow section have a width a, the protrusion section has a maximum width b, and the slide groove (3) has a minimum width c at the position of the second protrusion (7), wherein a≤c<b.

4. The two-stage valve core according to claim 2, characterized in that: Along the direction from the first flow section and / or the second flow section to the first protrusion (5), the first transition portion (6) is a smooth curved surface; on the side of the slide groove (3), along the direction from both sides of the second protrusion (7) to the top of the second protrusion (7), the second transition portion is a smooth curved surface.

5. The two-stage valve core according to claim 1, characterized in that: There are two first protrusions (5), and the two first protrusions (5) are symmetrically arranged on two side surfaces of the sliding block (4); There are two second protrusions (7), and the two second protrusions (7) are symmetrically arranged on the two inner side surfaces of the sliding groove (3).

6. The two-stage valve core according to claim 1, characterized in that: The slider (4) is arranged on the valve cover (1), and the slide groove (3) is arranged on the movable plate cover (2); or, The sliding block (4) is arranged on the moving plate cover (2), and the sliding groove (3) is arranged on the valve cover (1).

7. The two-stage valve core according to claim 1, characterized in that: When the slider (4) is arranged on the valve cover (1), the slider (4) and the valve cover (1) are integrally formed, or, At the position of the first protrusion (5), the valve cover (1) is provided with two first cylinders, the slider (4) is provided with a cavity for accommodating the two first cylinders, the slider (4) has the transition portion at the position corresponding to the first protrusion (5), and the slider (4) is sleeved on the two first cylinders; When the slide groove (3) is provided on the movable plate cover (2), the slide groove (3) and the movable plate cover (2) are integrally formed, or, at the position of the second protrusion (7), the movable plate cover (2) is provided with a second cylinder for forming the second protrusion (7).

8. The two-stage valve core according to claim 1, characterized in that: When the slider (4) is arranged on the movable plate cover (2), the slider (4) and the movable plate cover (2) are integrally formed, or, At the position of the first protrusion (5), the movable plate cover (2) is provided with two first cylinders, the slider (4) is provided with a cavity for accommodating the two first cylinders, the slider (4) has the transition portion at the position corresponding to the first protrusion (5), and the slider (4) is sleeved on the two first cylinders; When the slide groove (3) is provided on the valve cover (1), the slide groove (3) and the valve cover (1) are integrally formed, or, at the position of the second protrusion (7), the valve cover (1) is provided with a second cylinder for forming the second protrusion (7).

9. The two-stage valve core according to claim 1, characterized in that: It also includes a valve stem (8) hinged to the valve cover (1), one end of the valve stem (8) abuts against the movable plate cover (2), and the valve stem (8) is used to control the second protrusion (7) to switch between the first flow section, the protrusion section and the second flow section under the action of an external force.

10. A valve, characterized in that: It comprises a two-speed valve core as described in any one of claims 1 to 9.

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