Hand wheel lifting structure and valve

Abstract

The utility model discloses a hand wheel lifting structure and a valve, and relates to the field of valve hand wheel assembly. The hand wheel lifting structure comprises a hand wheel structure, a lengthening rod, an adapter, a first fixing assembly and a second fixing assembly. The adapter is used as a connection foundation, and the extension bar is assembled between the hand wheel structure and the adapter to extend the space for a user to operate, so that the problem that a valve rod is inconvenient to operate and adjust when an operating platform is far higher than a hand wheel and the mounting position of a valve is low is solved; according to the hand wheel lifting structure, the extension rod and the adapter are detachably connected through the first fixing assembly, the adapter and the valve rod structure are detachably connected through the second fixing assembly, and therefore a user can transfer torque and acting force to the valve rod structure through the extension rod and the adapter by operating the hand wheel structure so as to rotate and adjust the valve rod structure. The assembly structure for lifting the hand wheel is greatly simplified, the assembly and disassembly are convenient, and the manufacturing cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve hand wheel assembly field, concretely relates to a hand wheel lifting structure and valve. BACKGROUND

[0002] Valve has various uses in daily life and engineering application, wherein the valve operating rod of hand wheel operation is generally short, when the operating platform is much higher than the position of hand wheel, and the installation position of valve is relatively low, it is very inconvenient to operate, at this time, the position of hand wheel needs to be lifted to facilitate operation.

[0003] The existing hand wheel lifting structure is sleeve structure, the upper end of sleeve is equipped with top flange, the top flange is equipped with hand wheel seat, the pressure cover is equipped between hand wheel seat and top flange, hand wheel is fixed on hand wheel seat through hand wheel nut, the lower end of sleeve and the upper end of valve rod are equipped with top flange, and are fixed through bolt, the sleeve cylinder is equipped with indicating plate, the indicating rod is fixed on indicating plate, the valve rod nut is equipped on valve rod, and the connecting shaft is equipped between hand wheel seat and valve rod nut, in this way, the sleeve structure is relatively complex, and it is very inconvenient to disassemble, transport and manufacture. UTILITY MODEL CONTENTS

[0004] In order to solve the technical problems in the above background art, the utility model provides a hand wheel lifting structure, which comprises:

[0005] Hand wheel structure;

[0006] Extension rod, one end of which is detachably connected with the hand wheel structure;

[0007] Adapter, which is arranged on the side of the extension rod away from the hand wheel structure, has a first through position and a second through position arranged oppositely, the other end of the extension rod is arranged to pass through the first through position into the adapter, and the second through position is suitable for the valve rod structure to pass through;

[0008] First fixing assembly and second fixing assembly, the first fixing assembly is used for detachably connecting the extension rod and the adapter, the second fixing assembly is used for detachably connecting the adapter and the valve rod structure, and the hand wheel structure and the valve rod structure are arranged axially in alignment.

[0009] As a preferred technical scheme, the adapter is arranged in a frame structure, the first fixing assembly is arranged inside the frame structure, the second fixing assembly is arranged inside the frame structure, and the first fixing assembly and the second fixing assembly are arranged in separation.

[0010] As a preferred technical scheme, the end of the extension rod passing through the first through position and the adapter is arranged in a flat head rod structure, and the first through position and the flat head rod structure are arranged in abutment and adaptation, and / or

[0011] The second through hole is arranged as a flat head slot structure.

[0012] As a preferred technical solution, the adapter is provided with at least one avoiding position; and / or

[0013] The adapter extends along the length direction of the lengthened rod.

[0014] As a preferred technical solution, the first fixing assembly is arranged in the adapter and close to the hand wheel structure, and the first fixing assembly comprises coaxially arranged first and second nuts, either of which is sleeved on the end of the lengthened rod penetrating into the adapter, and the first nut is limited and abuts between the adapter and the second nut.

[0015] As a preferred technical solution, the second fixing assembly is arranged in the adapter and close to the valve rod structure, and the second fixing assembly comprises coaxially arranged first and second nuts, either of which is sleeved on the end of the valve rod structure penetrating into the adapter, and the first nut is limited and abuts between the adapter and the second nut.

[0016] As a preferred technical solution, the hand wheel structure comprises a hand wheel, a hand wheel nut and a gasket, the hand wheel nut and the gasket are arranged on the side of the hand wheel away from the adapter, and the gasket is connected and arranged between the hand wheel nut and the hand wheel.

[0017] The utility model also provides a valve, including valve rod structure and hand wheel lifting structure, valve rod structure and hand wheel lifting structure can detachable connection.

[0018] As a preferred technical solution, the valve rod structure comprises a valve rod and a valve rod nut, the valve rod nut is sleeved on the outer side of the valve rod, one end of the valve rod nut penetrates into the adapter of the hand wheel lifting structure, and the valve rod nut is fixedly arranged with the adapter through the second fixing assembly.

[0019] As a preferred technical solution, the valve rod nut comprises a connecting section and a limiting section, the connecting section extends into the adapter along the extension direction of the valve rod nut, the limiting section is arranged on the side of the connecting section away from the adapter, and the limiting section is spaced apart from the adapter.

[0020] The valve further comprises a valve cover head, the valve rod penetrates through the valve cover head, and the limiting section and the valve cover head are limited and abutted.

[0021] The technical scheme provided by the utility model has the following advantages:

[0022] 1. The hand wheel lifting structure comprises a hand wheel structure, an extension rod, an adapter, a first fixing assembly and a second fixing assembly; the adapter is arranged on the side of the extension rod away from the hand wheel structure, the first fixing assembly is used for detachably connecting the extension rod and the adapter, and the second fixing assembly is used for detachably connecting the adapter and a valve rod structure; wherein the adapter is provided with a first passing position and a second passing position arranged oppositely, one end of the extension rod is detachably connected with the hand wheel structure, and the other end of the extension rod is arranged in the adapter through the first passing position; the second passing position is suitable for the valve rod structure to pass through, and the hand wheel structure and the valve rod structure are arranged in axial alignment.

[0023] The hand wheel lifting structure of the structure takes the adapter as a connection basis, and the extension rod is assembled between the hand wheel structure and the adapter to prolong the space available for user operation, thereby solving the problem that it is inconvenient to operate and adjust the valve rod when the operation platform is much higher than the position of the hand wheel and the installation position of the valve is relatively low; the hand wheel lifting structure is detachably connected with the extension rod and the adapter through the first fixing assembly, and is detachably connected with the adapter and the valve rod structure through the second fixing assembly, so that the hand wheel structure and the valve rod structure are arranged in axial alignment, force is stably transmitted after alignment, and thus the user can transmit torque and force to the valve rod structure through the extension rod and the adapter by operating the hand wheel structure to rotate and adjust the valve rod structure. The hand wheel lifting structure is greatly simplified, is convenient to disassemble and assemble, and is conducive to reducing manufacturing cost.

[0024] 2. The hand wheel lifting structure comprises an adapter arranged in a frame structure, a first fixing assembly arranged in the frame structure, and a second fixing assembly arranged in the frame structure, and the first fixing assembly and the second fixing assembly are arranged at intervals.

[0025] The hand wheel lifting structure of the structure is configured with installation spaces of the first fixing assembly and the second fixing assembly in the adapter, which can strengthen compact structure, avoid external structure and occupy other space of the valve, establish a protection area for the first fixing assembly and the second fixing assembly, prolong the service life of the first fixing assembly and the second fixing assembly, and ensure the connection strength of the extension rod and the adapter, the valve rod structure and the adapter. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0027] Figure 1The structure diagram of the hand wheel lifting structure is provided for the utility model.

[0028] Figure 2 The structure diagram of the adapter in the hand wheel lifting structure is provided for the utility model.

[0029] Figure 3 The connection diagram of the extension rod and the adapter in the hand wheel lifting structure is provided for the utility model.

[0030] Mark explanation:

[0031] 11-hand wheel part; 12-hand wheel nut; 13-gasket part;

[0032] 2-extension rod;

[0033] 3-adapter; 31-first passing position; 32-second passing position; 33-avoiding position;

[0034] 41-first nut; 42-second nut;

[0035] 51-first nut; 52-second nut;

[0036] 61-valve rod part; 62-valve rod nut; 621-connection section; 622-limiting section;

[0037] 7-valve cover head. Specific implementation

[0038] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0039] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, or solution B, or a solution that simultaneously satisfies A and B. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0040] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of 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.

[0041] Example 1

[0042] This embodiment provides a handwheel lifting structure, such as Figure 1 and Figure 2 As shown, it includes a handwheel structure, an extension rod 2, an adapter 3, a first fixing component, and a second fixing component. The adapter 3 is located on the side of the extension rod 2 away from the handwheel structure. The first fixing component is used to detachably connect the extension rod 2 and the adapter 3, and the second fixing component is used to detachably connect the adapter 3 and the valve stem structure. The adapter 3 has a first passage position 31 and a second passage position 32 that are arranged opposite to each other. One end of the extension rod 2 is detachably connected to the handwheel structure, and the other end of the extension rod 2 passes through the first passage position 31 into the adapter 3. The second passage position 32 is suitable for the valve stem structure to pass through. The handwheel structure and the valve stem structure are axially aligned.

[0043] The hand wheel lifting structure provided by the embodiment takes the adapter 3 as a connection base, and the extension rod 2 is assembled between the hand wheel structure and the adapter 3 to extend the space available for user operation, thereby solving the problem that it is inconvenient to operate the adjusting valve rod when the operation platform is much higher than the position of the hand wheel and the installation position of the valve is relatively low; the hand wheel lifting structure specifically connects the extension rod 2 and the adapter 3 through the first fixing assembly, and connects the adapter 3 and the valve rod structure through the second fixing assembly, so that the hand wheel structure and the valve rod structure are arranged in axial alignment, which facilitates stable force transmission during alignment, so that the user can rotate the adjusting valve rod structure by operating the hand wheel structure and transmitting torque and force to the valve rod structure through the extension rod 2 and the adapter 3. The utility model greatly simplifies the assembly structure of the hand wheel lifting structure, is convenient to disassemble and assemble, and is conducive to reducing manufacturing costs.

[0044] As a preferred technical solution, the adapter 3 is provided in a frame structure, the first fixing assembly is installed inside the frame structure, and the second fixing assembly is installed inside the frame structure, and the first fixing assembly and the second fixing assembly are arranged in a spaced manner.

[0045] The technical solution configures the installation space of the first fixing assembly and the second fixing assembly inside the adapter 3, which can on the one hand strengthen the compact structure and avoid external structure to occupy other space of the valve, and on the other hand establish a protection area for the first fixing assembly and the second fixing assembly, prolong the service life of the first fixing assembly and the second fixing assembly, and ensure the connection strength of the extension rod 2 and the adapter 3, the valve rod structure and the adapter 3.

[0046] In order to facilitate the user to operate the hand wheel structure to transmit torque and force to the valve rod structure, the embodiment also provides the structural optimization of the extension rod 2 and the adapter 3.

[0047] For example, in some embodiments, as shown in Figure 3 The end of the extension rod 2 is provided in a flat head rod structure when penetrating into the first passing position 31 and the adapter 3, and the first passing position 31 and the flat head rod structure are in abutment and conforming arrangement. That is, the first passing position 31 is provided in a flat head groove structure, and when the user operates and rotates the hand wheel structure, the hand wheel structure drives the extension rod 2 to rotate, and when the extension rod 2 rotates circumferentially, the torque and force are transmitted in a smooth and stable manner by establishing circumferential limiting. Of course, in other embodiments, the first passing position 31 can be provided with a key groove structure, for example, a spline groove, and the extension rod 2 is conformingly provided with a force transmission key.

[0048] For example, in some embodiments, the second passing position 32 is provided in a flat head groove structure. Similarly, the valve rod structure is provided in a flat head rod structure.

[0049] As a preferred technical solution, as shown in Figure 2As shown, the adapter 3 is provided with one or more avoiding positions 33; the avoiding positions 33 can be used by the user to disassemble and assemble the first fixing assembly and the second fixing assembly.

[0050] In some embodiments, the adapter 3 is provided with a hollow square structure, and a partial end surface of the adapter 3 is provided with a through hole to form the avoiding positions 33.

[0051] In some embodiments, the adapter 3 is provided along the length direction of the extension rod 2, which is beneficial to expand the assembly space of the adapter 3, the first fixing assembly, the extension rod 2 and the valve rod structure, and compensate the length of the extension rod 2, so as to avoid the length of the extension rod 2 being too long and reduce the influence of force transmission failure.

[0052] In the embodiment, the length of the extension rod 2 is not limited.

[0053] In the specific embodiment, the extension rod 2 is provided with a stepped groove, the stepped groove is capable of being clamped and limited with the adapter 3, and the adapter 3 is installed by the stepped groove and the first fixing assembly.

[0054] As an exemplary embodiment, as shown in Figure 1 As shown, the first fixing assembly is arranged in the area close to the hand wheel structure in the adapter 3, the first fixing assembly comprises coaxially arranged first and second nuts 41 and 42, any one of the nuts is sleeved on the end of the extension rod 2 penetrating into the adapter 3, and the first nut 41 is limited and abutted between the adapter 3 and the second nut 42. Through the double nuts, the connection between the extension rod 2 and the adapter 3 is strengthened, and the force transmission effect from the extension rod 2 to the adapter 3 is ensured.

[0055] As an exemplary embodiment, as shown in Figure 1 As shown, the second fixing assembly is arranged in the area close to the valve rod structure in the adapter 3, the second fixing assembly comprises coaxially arranged first and second nuts 51 and 52, any one of the nuts is sleeved on the end of the valve rod structure penetrating into the adapter 3, and the first nut 51 is limited and abutted between the adapter 3 and the second nut 52. Through the double nuts, the connection between the adapter 3 and the valve rod structure is strengthened, and the force transmission effect from the adapter 3 to the valve rod structure is ensured.

[0056] In other embodiments, the fixing assembly can be provided as a combination of a nut and an elastic gasket, and of course, a combination of a screw, a nut and an elastic gasket can also be used.

[0057] In some embodiments, as shown in Figure 1As shown, the hand wheel structure includes a hand wheel member 11 sleeved on the extension rod 2, a hand wheel nut 12 and a gasket member 13, the hand wheel nut 12 and the gasket member 13 are arranged on the side of the hand wheel member 11 away from the adapter 3, and the gasket member 13 is connected and arranged between the hand wheel nut 12 and the hand wheel member 11. The hand wheel member 11 is tightly fixed with the extension rod 2 through the hand wheel nut 12 and the gasket member 13; the gasket member 13 is used between the hand wheel member 11 and the hand wheel nut 12, which can prevent the hand wheel nut from being stuck on the hand wheel member after long time use, and facilitates disassembly.

[0058] In a specific embodiment, a stepped groove for assembly can be arranged on the extension rod 2, and the hand wheel member 11 is arranged on the stepped groove, and the hand wheel nut 12 and the gasket member 13 are cooperatively positioned and installed to the hand wheel member 11 through the stepped groove.

[0059] The hand wheel lifting structure provided by the embodiment is suitable for the situation that the operation position needs to be lifted due to space limitation on site, and is convenient to operate and disassemble.

[0060] Embodiment 2

[0061] The embodiment provides a valve, which comprises a valve rod structure and the hand wheel lifting structure of embodiment 1, and the valve rod structure and the hand wheel lifting structure are detachably connected.

[0062] As a preferred technical solution, as shown in Figure 1 As shown, the valve rod structure includes a valve rod member 61 and a valve rod nut 62, the valve rod nut 62 is sleeved on the outer side of the valve rod member 61, and one end of the valve rod nut 62 is arranged in the adapter 3 of the hand wheel lifting structure, so as to be fixedly arranged with the adapter 3 through the second fixing assembly. Specifically, the valve rod nut 62 is connected with the second fixing assembly, so as to integrally assemble and position the valve rod structure.

[0063] In some embodiments, the valve rod nut 62 and the valve rod member 61 are rotationally arranged, when a user operates the hand wheel structure, the extension rod 2, the adapter 3 and the valve rod nut 62 are driven, the valve rod nut 62 and the valve rod member 61 are relatively rotated, the valve rod member 61 is rotated and axially displaced at the same time, so as to drive the valve clack and other structures to open and close the valve.

[0064] In some embodiments, the valve rod nut 62 and the valve rod member 61 are fixedly arranged, when a user operates the hand wheel structure, the extension rod 2, the adapter 3 and the valve rod nut 62 are driven, the valve rod nut 62 and the valve rod member 61 are commonly rotated, so as to drive the valve clack and other structures to open and close the valve.

[0065] As a preferred embodiment, as shown in Figure 1As shown, the valve stem nut 62 comprises a fixedly connected connecting section 621 and a limiting section 622, the connecting section 621 extends into the adapter 3 along the extension direction of the valve stem nut 62, the limiting section 622 is arranged on the side of the connecting section 621 away from the adapter 3, and the limiting section 622 is spaced apart from the adapter 3; the valve further comprises a valve cover head 7, the valve stem 61 is arranged through the valve cover head 7, and the limiting section 622 and the valve cover head 7 are arranged in limiting abutment. With this arrangement, the connecting section 621 is connected with the second fixing assembly, and the limiting section 622 and the valve cover head 7 are limited, so that the assembly stability of the valve stem structure is enhanced.

[0066] Obviously, the above embodiments are only examples for clearly illustrating the present application, and are not intended to limit the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. All the embodiments do not need to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A handwheel lifting structure, characterized in that, include: Handwheel structure; The extension rod (2) is detachably connected at one end to the handwheel structure; The adapter (3) is disposed on the side of the extension rod (2) away from the handwheel structure. The adapter (3) has a first passage position (31) and a second passage position (32) disposed opposite to each other. The other end of the extension rod (2) passes through the first passage position (31) into the adapter (3), and the second passage position (32) is adapted to allow the valve stem structure to pass through. A first fixing component and a second fixing component, wherein the first fixing component is used to detachably connect the extension rod (2) and the adapter (3), and the second fixing component is used to detachably connect the adapter (3) and the valve stem structure; the handwheel structure and the valve stem structure are axially aligned.

2. The handwheel lifting structure according to claim 1, characterized in that, The adapter (3) is configured as a frame structure, the first fixing component is installed inside the frame structure, the second fixing component is installed inside the frame structure, and the first fixing component and the second fixing component are spaced apart.

3. The handwheel lifting structure according to claim 2, characterized in that, The end of the extension rod (2) that passes through the first passage position (31) and the adapter (3) is configured as a flat-head rod structure, and the first passage position (31) and the flat-head rod structure are conformally fitted together; and / or The second pass position (32) is configured as a flat-head groove structure.

4. The handwheel lifting structure according to claim 2, characterized in that, The adapter (3) is provided with at least one clearance position (33); and / or The adapter (3) extends along the length of the extension rod (2).

5. The handwheel lifting structure according to claim 2, characterized in that, The first fixing component is disposed inside the adapter (3) in the area near the handwheel structure. The first fixing component includes a first nut (41) and a second nut (42) arranged coaxially. Either nut is sleeved on the extension rod (2) which passes through to the end of the adapter (3). The first nut (41) is limited and abuts against the adapter (3) and the second nut (42).

6. The handwheel lifting structure according to claim 2, characterized in that, The second fixing component is located inside the adapter (3) in the area near the valve stem structure. The second fixing component includes a first nut (51) and a second nut (52) arranged coaxially. Either nut is sleeved on the end of the valve stem structure that extends to the adapter (3). The first nut (51) is limited and abuts against the adapter (3) and the second nut (52).

7. The handwheel lifting structure according to any one of claims 1-6, characterized in that, The handwheel structure includes a handwheel component (11), a handwheel nut (12), and a washer component (13) sleeved on the extension rod (2). The handwheel nut (12) and the washer component (13) are disposed on the side of the handwheel component (11) away from the adapter (3), and the washer component (13) is connected between the handwheel nut (12) and the handwheel component (11).

8. A valve, characterized in that, It includes a valve stem structure and a handwheel lifting structure as described in any one of claims 1-7, wherein the valve stem structure and the handwheel lifting structure are detachably connected.

9. The valve according to claim 8, characterized in that, The valve stem structure includes a valve stem (61) and a valve stem nut (62). The valve stem nut (62) is sleeved on the outside of the valve stem (61). One end of the valve stem nut (62) is inserted into the adapter (3) of the handwheel lifting structure, so as to be fixedly configured with the adapter (3) by the second fixing component.

10. The valve according to claim 9, characterized in that, The valve stem nut (62) includes a connecting section (621) and a limiting section (622) that are fixedly connected. The connecting section (621) extends into the adapter (3) along the extending direction of the valve stem nut (62). The limiting section (622) is located on the side of the connecting section (621) away from the adapter (3). The limiting section (622) and the adapter (3) are spaced apart. The valve also includes a valve cover head (7), the valve stem (61) is provided through the valve cover head (7), and the limiting section (622) and the valve cover head (7) are provided for limiting and abutting.

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