A valve

Abstract

The utility model relates to valve technical field discloses a valve, including valve body, valve stem and handle, be provided with the valve core in the valve body, be provided with first locking hole on the valve body, the one end of valve stem enters the valve body and is linked with the valve core, handle sets up in the other end of valve stem, handle and valve stem synchronous rotation, and drive the valve core movement to make the valve switch between open state and closed state, be provided with the accommodation hole and second locking hole on the handle, the valve still includes locking piece, when the valve is in the lock -up state, locking piece is set up in first locking hole and second locking hole simultaneously to fix valve body and handle, realizes the function with lock, when the valve is in the unlocking state, locking piece is contained in the accommodation hole, can avoid losing, in addition, the valve does not need to use magnetic material, has reduced the cost.

Description

Technical Field

[0001] This utility model relates to the field of valve technology, and in particular to a valve. Background Technology

[0002] Locking valves are widely used in various pipelines in industries such as water supply, gas supply, and pipeline transportation. In many situations, locking valves are required for control to prevent unauthorized opening and closing. The locking mechanisms of locking valves mainly include mechanical locking and magnetic locking.

[0003] Existing magnetic locking mechanisms are complex, with numerous components, and require the use of magnetic materials, increasing both material and manufacturing costs. During use, improper operation can cause the magnet to break under shear force, rendering the locking function ineffective. Existing mechanical locking valves have a separate locking mechanism; when open, there is no space on the valve to install the locking mechanism, making it easy for it to be lost. Utility Model Content

[0004] The purpose of this invention is to provide a valve that can achieve a locking function without the need for magnetic materials, thus reducing costs; and it also effectively prevents the locking component from being lost due to lack of installation space.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] This utility model provides a valve, comprising:

[0007] A valve body, wherein a valve core is provided inside the valve body, and a first locking hole is provided on the valve body;

[0008] A valve stem, one end of which extends into the valve body and is connected to the valve core;

[0009] A handle is provided at the other end of the valve stem. The handle rotates synchronously with the valve stem and drives the valve core to move, so that the valve switches between an open state and a closed state.

[0010] The handle is provided with a receiving hole and a second locking hole. The valve also includes a locking member. In the locked state, the locking member passes through both the first locking hole and the second locking hole to fix the valve body and the handle. In the unlocked state, the locking member is received in the receiving hole.

[0011] The valve body has a first locking hole, and the handle has a receiving hole and a second locking hole. The handle rotates synchronously with the valve stem, driving the valve core to move, thus switching the valve between a closed and an open state. When the valve is in the locked state, a locking element passes through both the first and second locking holes to fix the handle to the valve body, achieving a locking function. When the valve is in the unlocked state, the locking element is housed in the receiving hole, preventing loss. Furthermore, this valve does not require the use of magnetic materials, reducing costs.

[0012] As a preferred embodiment of the valve described above, the valve is in the closed state when locked.

[0013] In the locked state, the valve is closed, which avoids the situation where the valve cannot be closed in time in extreme cases such as leakage, thus improving the safety performance of the valve.

[0014] As a preferred embodiment of the aforementioned valve, the receiving orifice is a blind orifice.

[0015] The receiving hole is a blind hole to prevent the bottom of the locking part from protruding from the receiving hole, thus avoiding interference with the rotation of the handle.

[0016] As a preferred embodiment of the valve, in the locked state, the locking element is embedded in the second locking hole.

[0017] When locked, the valve has a more aesthetically pleasing appearance and also protects the locking mechanism.

[0018] As a preferred embodiment of the valve described above, the locking element may be threadedly connected to the first locking hole or the receiving hole.

[0019] The locking element can be threaded into the first locking hole or the receiving hole to fix the locking element, and disassembly is relatively simple.

[0020] As a preferred embodiment of the aforementioned valve, the locking element includes a locking rod and a wrench mouth for engaging with a wrench. The locking rod and the wrench mouth are connected. The locking rod passes through the second locking hole and is connected to the first locking hole. The wrench mouth has a plurality of force-bearing surfaces, which are not parallel to each other.

[0021] The locking mechanism connects the handle and the valve body via a locking rod. The wrench has several force-bearing surfaces that are not parallel to each other, and can only be operated with a matching wrench, thus serving as an anti-theft measure.

[0022] As a preferred embodiment of the above-mentioned valve, the valve body includes:

[0023] The valve body has the valve core rotatably disposed inside it, and the top of the valve body has a protruding neck that is connected to the valve body. The valve stem passes through the protruding neck and extends into the valve body.

[0024] Limiting blocks are protruding on both sides of the convex neck. The handle can rotate to abut against the limiting blocks respectively, so that the valve can switch between the closed state and the open state.

[0025] The valve body allows the valve core to be installed, and the convex neck and the limiting blocks on both sides limit the rotation of the handle.

[0026] As a preferred embodiment of the valve, both of the limiting blocks are provided with the first locking hole, and the second locking hole can be aligned with one of the first locking holes.

[0027] Both limit blocks are provided with a first locking hole. Regardless of the installation direction of the handle, the second locking hole on the handle can be aligned with one of the first locking holes. This setting reduces the difficulty of installing the handle and avoids the situation where the second locking hole cannot be aligned with the first locking hole due to the handle being installed backwards.

[0028] As a preferred embodiment of the aforementioned valve, the handle includes:

[0029] A rotating cylinder is sleeved on the outside of the valve stem. The rotating cylinder is provided with the lock receiving hole and the second locking hole. Two limiting protrusions are provided at intervals along the circumference of the bottom of the rotating cylinder. The two limiting protrusions can abut against the two limiting blocks respectively.

[0030] Lugs are provided on both sides of the rotating cylinder.

[0031] The two limiting protrusions at the bottom of the rotating drum abut against the two limiting blocks, thus limiting the rotation of the handle; the lugs make it easier for the user to rotate the handle.

[0032] As a preferred embodiment of the above-mentioned valve, the handle is provided with a fixing hole at its center, the valve also includes a fixing member, the fixing member passes through the fixing hole and is connected to the valve stem; the valve also includes a sealing head, the sealing head is disposed in the fixing hole and seals the fixing hole.

[0033] The fixed hole facilitates the connection of the handle to the valve stem via a fastener, and the end cap ensures that the valve cannot be locked in any other way when it is locked.

[0034] The beneficial effects of this utility model are:

[0035] The valve proposed in this utility model has a first locking hole on the valve body and a receiving hole and a second locking hole on the handle. The handle and valve stem rotate synchronously, driving the valve core to move, thereby switching the valve between a closed and an open state. When the valve is in the locked state, the second locking hole aligns with the first locking hole, and a locking element passes through both holes to fix the handle to the valve body, achieving a locking function. When the valve is in the unlocked state, the locking element is housed in the receiving hole, preventing loss. Furthermore, the valve of this utility model does not require the use of magnetic materials, reducing costs. Attached Figure Description

[0036] Figure 1 This is a first structural schematic diagram of the valve provided by this utility model;

[0037] Figure 2 This is an exploded view of the valve provided by this utility model;

[0038] Figure 3 This is a cross-sectional view of the valve provided by this utility model in the unlocked state;

[0039] Figure 4 This is a schematic diagram of the second structure of the valve provided by this utility model;

[0040] Figure 5 This is a cross-sectional view of the valve provided by this utility model in the locked state;

[0041] Figure 6 This is a schematic diagram of the valve body provided by this utility model;

[0042] Figure 7 This is a first structural schematic diagram of the handle provided by this utility model;

[0043] Figure 8 This is a schematic diagram of the second structure of the handle provided by this utility model;

[0044] Figure 9 This is a structural schematic diagram of the locking component provided by this utility model.

[0045] In the diagram: 1. Valve body; 11. Valve main body; 12. Neck; 121. Limiting block; 1210. First locking hole; 2. Valve core; 3. Valve stem; 4. Handle; 401. Receiving hole; 402. Second locking hole; 4021. First hole; 4022. Second hole; 403. Fixing hole; 404. Limiting hole; 41. Rotary drum; 411. Limiting protrusion; 42. Lug; 5. Locking element; 51. Locking rod; 52. Latch; 53. Limiting structure; 6. End cap; 7. Sealing ring; 8. Valve cover; 9. Valve seat; 10. Fixing element. Detailed Implementation

[0046] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0047] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0048] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0049] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0050] like Figures 1-5As shown, this embodiment provides a valve, including a valve body 1, a valve stem 3, and a handle 4. A valve core 2 is disposed within the valve body 1, and the valve core 2 is mounted within the valve body 1 via a valve seat 9. A valve cover 8 is provided at one end of the valve body 1. A first locking hole 1210 is provided on the valve body 1. One end of the valve stem 3 extends into the valve body 1 and is connected to the valve core 2. The handle 4 is disposed at the other end of the valve stem 3. The handle 4 rotates synchronously with the valve stem 3, driving the valve core 2 to move, thereby switching the valve between a closed state and an open state. The handle 4 is provided with a receiving hole 401 and a second locking hole 402. The valve also includes a locking element 5. In the locked state, the locking element 5 passes through both the first locking hole 1210 and the second locking hole 402 to fix the handle 4 to the valve body 1, achieving a locking function. In the unlocked state, the locking element 5 is received in the receiving hole 401, preventing loss. Furthermore, this valve does not require the use of magnetic materials, reducing costs.

[0051] It should be noted that, for safety reasons, the valve is closed when locked, thus avoiding the inability to close the valve in time in extreme situations such as valve leakage.

[0052] In this embodiment, the receiving hole 401 is a threaded hole. In the unlocked state, the locking member 5 is threadedly connected to the threaded hole, thereby preventing the locking member 5 from being lost. The structure of the receiving hole 401 is simple, and the disassembly and assembly between the locking member 5 and the receiving hole 401 is relatively simple.

[0053] Optionally, the receiving hole 401 is a blind hole to prevent the bottom of the locking member 5 from protruding from the receiving hole 401 and interfering with the rotation of the handle 4. In this embodiment, the depth of the receiving hole 401 is less than the height of the locking member 5, so that the top of the locking member 5 can protrude from the receiving hole 401, which facilitates the installation and removal of the locking member 5.

[0054] Optionally, the locking element 5 is embedded in the second locking hole 402. In the locked state, the valve has a more aesthetically pleasing appearance and also protects the locking element 5.

[0055] Specifically, the second locking hole 402 includes a first hole 4021 and a second hole 4022 that are coaxially arranged and connected. The first hole 4021 is located at the end of the second hole 4022 that is away from the first locking hole 1210. The diameter of the first hole 4021 is larger than the diameter of the second hole 4022 to form a stepped structure, thereby limiting the head of the locking member 5 to the stepped surface of the stepped structure, thus playing the role of limiting the locking member 5.

[0056] In this embodiment, the first locking hole 1210 is a threaded hole, and the locking member 5 can pass through the second locking hole 402 and be threadedly connected to the first locking hole 1210, thereby facilitating the connection of the handle 4 and the valve body 1 through the locking member 5. The threaded hole has a simple structure and is easy to install and remove the locking member 5.

[0057] like Figure 6 As shown, the valve body 1 includes a valve body 11, a valve seat 9 is disposed within the valve body 11, and a valve core 2 is rotatably disposed within the valve seat 9. A protruding neck 12 is provided on the top of the valve body 11. The protruding neck 12 has a cylindrical structure and is connected to the valve body 11. The valve stem 3 passes through the protruding neck 12 and extends into the valve body 1, connecting with the valve core 2. A sealing ring 7 is provided between the valve stem 3 and the protruding neck 12 for sealing. Limiting blocks 121 protrude from both sides of the protruding neck 12. The rotation of the handle 4 can abut against the limiting blocks 121 respectively, limiting the rotation of the handle 4 and allowing the valve to switch between closed and open states. The valve body 1 houses the valve core 2 via the valve body 11, and the protruding neck 12 and the limiting blocks 121 on both sides limit the rotation of the handle 4.

[0058] Optionally, each of the two limiting blocks 121 is provided with a first locking hole 1210, and the second locking hole 402 can be aligned with one of the first locking holes 1210. Since both limiting blocks 121 are provided with first locking holes 1210, regardless of the installation direction of the handle 4, the second locking hole 402 on the handle 4 can be aligned with one of the first locking holes 1210. This design reduces the difficulty of installing the handle 4 and avoids the situation where the second locking hole 402 cannot be aligned with the first locking hole 1210 due to the handle 4 being installed backwards.

[0059] like Figure 7 and Figure 8 As shown, the handle 4 includes a rotating cylinder 41 and lugs 42. The rotating cylinder 41 is sleeved on the outside of the valve stem 3. The rotating cylinder 41 is provided with a receiving hole 401 and a second locking hole 402. Two limiting protrusions 411 are provided at intervals along the circumference of the bottom of the rotating cylinder 41, and the two limiting protrusions 411 can abut against the two limiting blocks 121 respectively. Lugs 42 are provided on both sides of the rotating cylinder 41. The two limiting protrusions 411 at the bottom of the rotating cylinder 41 abut against the two limiting blocks 121 respectively, which serves to limit the rotation of the handle 4. The lugs 42 are provided to facilitate the user's rotation operation of the handle 4. When the valve is in the closed state, the two limiting protrusions 411 of the handle 4 can abut against the limiting blocks 121 corresponding to the current position respectively. When the valve is in the open state, the two limiting protrusions 411 of the handle 4 can abut against the limiting blocks 121 corresponding to the current position respectively.

[0060] Optionally, the handle 4 has a fixing hole 403 at the center of the rotating cylinder 41, and the valve also includes a fixing member 10 (see...). Figure 2 and Figure 3The fixing member 10 passes through the fixing hole 403 and is connected to the valve stem 3; the valve also includes a sealing head 6, which is disposed in the fixing hole 403 and seals the fixing hole 403. The fixing hole 403 is designed to facilitate the connection of the handle 4 to the valve stem 3 through the fixing member 10, and the sealing head 6 ensures that when the valve is locked, the locked state cannot be broken by other means.

[0061] Optionally, the top surface of the end cap 6 is flush with or lower than the top of the fixing hole 403, which not only improves the appearance but also reduces the risk of the end cap 6 being disassembled.

[0062] Optionally, a limiting hole 404 is provided at the end of the rotating drum 41 facing the valve body 1. The limiting hole 404 is connected to the fixing hole 403. The limiting hole 404 is adapted to the shape of the valve stem 3, and the handle 4 and the valve stem 3 can rotate synchronously through the limiting hole 404. In this embodiment, the limiting hole 404 has a racetrack-shaped structure. In other embodiments, the limiting hole 404 is not limited to a racetrack-shaped structure, but can also be an elliptical or other irregular shape, as long as the valve stem 3 can be limited through the limiting hole 404 to achieve synchronous rotation of the rotating drum 41 and the valve stem 3.

[0063] like Figure 9 As shown, the locking component 5 includes a locking rod 51 and a wrench jaw 52 for engaging with a wrench. The locking rod 51 and the wrench jaw 52 are connected. The locking rod 51 passes through the second locking hole 402 and connects to the first locking hole 1210. The wrench jaw 52 has several non-parallel force-bearing surfaces. The locking component 5 connects the handle 4 and the valve body 1 through the locking rod 51. The non-parallel force-bearing surfaces of the wrench jaw 52 make it an irregularly shaped structure, allowing it to be operated only with a matching wrench, thus providing an anti-theft function. In this embodiment, the wrench jaw 52 has a triangular prism-like structure. In other embodiments, this structure is not limited to, as long as it facilitates the assembly and disassembly of the locking component 5 and provides an anti-theft function.

[0064] Furthermore, the locking component 5 also includes a limiting structure 53, which is sleeved on the end of the locking rod 51 that is connected to the lever portion 52 and abuts against the lever portion 52. In this embodiment, the limiting structure 53 is a ring structure, and the limiting structure 53 abuts against the stepped surface of the stepped structure of the second locking hole 402, thereby limiting the depth of insertion into the second locking hole 402.

[0065] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A valve, characterized in that, include: A valve body (1) is provided with a valve core (2) inside the valve body (1) and a first locking hole (1210) is provided on the valve body (1). A valve stem (3), one end of which extends into the valve body (1) and is connected to the valve core (2); Handle (4), the handle (4) is located at the other end of the valve stem (3), the handle (4) rotates synchronously with the valve stem (3) and drives the valve core (2) to move so that the valve switches between the open state and the closed state; The handle (4) is provided with a receiving hole (401) and a second locking hole (402). The valve also includes a locking member (5). In the locked state, the locking member (5) passes through the first locking hole (1210) and the second locking hole (402) to fix the valve body (1) and the handle (4). In the unlocked state, the locking member (5) is housed in the receiving hole (401).

2. The valve according to claim 1, characterized in that: When locked, the valve is in the closed state.

3. The valve according to claim 1, characterized in that, The receiving hole (401) is a blind hole.

4. The valve according to claim 1, characterized in that, In the locked state, the locking member (5) is embedded in the second locking hole (402).

5. The valve according to claim 1, characterized in that, The locking member (5) can be threadedly connected to the first locking hole (1210) or the receiving hole (401).

6. The valve according to claim 5, characterized in that, The locking component (5) includes a locking rod body (51) and a wrench mouth part (52) for cooperating with a wrench. The locking rod body (51) and the wrench mouth part (52) are connected. The locking rod body (51) passes through the second locking hole (402) and is connected to the first locking hole (1210). The wrench mouth part (52) is provided with a plurality of force-bearing surfaces, and the force-bearing surfaces are not parallel to each other.

7. The valve according to any one of claims 1-6, characterized in that, The valve body (1) includes: The valve body (11) has the valve core (2) rotatably disposed inside it. The top of the valve body (11) has a protruding neck (12) connected to the valve body (11). The valve stem (3) passes through the protruding neck (12) and extends into the valve body (1). Limiting blocks (121) are protruding on both sides of the protruding neck (12). The handle (4) can rotate to abut against the limiting blocks (121) respectively, so that the valve can switch between the closed state and the open state.

8. The valve according to claim 7, characterized in that, Both of the limiting blocks (121) are provided with the first locking hole (1210), and the second locking hole (402) can be aligned with one of the first locking holes (1210).

9. The valve according to claim 7, characterized in that, The handle (4) includes: Rotary cylinder (41), the rotary cylinder (41) is sleeved on the outside of the valve stem (3), the rotary cylinder (41) is provided with the receiving hole (401) and the second locking hole (402), and two limiting protrusions (411) are provided at intervals along the circumference of the bottom of the rotary cylinder (41), the two limiting protrusions (411) can abut against the two limiting blocks (121); Lugs (42) are provided on both sides of the rotating cylinder (41).

10. The valve according to any one of claims 1-6, characterized in that, The handle (4) has a fixing hole (403) at its center. The valve also includes a fixing member (10), which passes through the fixing hole (403) and is connected to the valve stem (3). The valve also includes a sealing head (6), which is located in the fixing hole (403) and blocks the fixing hole (403).

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