A valve folding handle structure and a valve and LNG receiving station having the same

Abstract

The utility model provides a valve folding handle structure and the valve, LNG receiving station with this structure, specifically related to valve technical field. The structure includes handle main part, length adjusting subassembly, U type side support spare and connecting rod, and length adjusting subassembly can overturn 180 DEG and realize the extension of handle structure, length adjusting subassembly is spliced by several unit adjusting blocks, the unit adjusting block of length adjusting subassembly next to handle main part is away from the one end of connecting rod and handle main part side wall inserts, handle main part is located in the inner chamber of U type side support spare and the front and back side wall of handle main part is slidingly connected with two side wing plates of U type side support spare. The utility model discloses simple structure, convenient operation can choose the number of unit adjusting block of extension according to the valve operating torque demand, and then realizes the effect of multistage force arm adjustment, overcomes the defect that traditional folding valve handle force arm length is inadjustable.

Description

Technical Field

[0001] This utility model relates to the field of valve technology, specifically to a valve folding handle structure and a valve and LNG receiving station having the structure. Background Technology

[0002] In modern industrial pipeline systems (such as LNG receiving terminals and petrochemical plants), manual valve handles must simultaneously meet diverse torque requirements and complex installation space constraints. Currently, the widely used folding metal handles solve the storage problem when not in operation, but they exhibit significant limitations in practical operation: these handles have a fixed length when unfolded, making it impossible to flexibly adjust the lever arm length according to the specific valve operation requirements. This means that when the required torque changes at different stages of valve opening or closing, users cannot adapt to these changes by adjusting the handle length, affecting operational convenience.

[0003] This inherent design flaw makes it difficult for folding handles to provide the best user experience in different operating scenarios, especially when precise torque control is required. Operators may experience inconvenience due to an unsuitable handle length, which could even lead to excessive force or operational difficulties. Utility Model Content

[0004] To overcome the shortcomings of the prior art, this utility model provides a valve folding handle structure, a valve with this structure, and an LNG receiving station. The specific technical solution is as follows: A valve folding handle structure includes a handle body, a length adjustment assembly, a U-shaped side support, and a connecting rod. The length adjustment assembly can be rotated 180° to extend the handle structure. One end of the connecting rod is threaded to one side of the handle body, and the other end of the connecting rod is connected to the valve stem. The length adjustment assembly is composed of several unit adjustment blocks. The unit adjustment block of the length adjustment assembly, located close to the handle body and away from the connecting rod, is inserted into the handle body. The handle body is located in the inner cavity of the U-shaped side support, and the front and rear side walls of the handle body are slidably connected to two side wing plates of the U-shaped side support, respectively. The bottom plate of the U-shaped side support is in contact with the bottom wall of the handle body.

[0005] Preferably, the front and rear sidewalls of the handle body are symmetrically provided with first sliding grooves along its length; the end face of the handle body away from the connecting rod is provided with a connecting hole.

[0006] Preferably, the front and rear sidewalls of the unit adjustment block are symmetrically provided with second sliding grooves; after the length adjustment component is rotated 180°, the second sliding grooves on the front and rear sidewalls of each unit adjustment block are flush with the first sliding grooves on the same side; after each unit adjustment block is rotated 180°, a protrusion is provided on the sidewall of the handle body, and an insertion hole adapted to the position of the protrusion is provided on the other sidewall; two adjacent unit adjustment blocks are connected by the protrusion and the insertion hole; the protrusion of the unit adjustment block closest to the handle body away from the connecting rod is connected to the connecting hole of the handle body.

[0007] Preferably, the inner wall of the side wing plate of the U-shaped side support is provided with a limiting slider at the position corresponding to the first slide groove, and the U-shaped side support is slidably connected to the first slide groove and several second slide grooves after the length adjustment component is flipped through the limiting slider.

[0008] Preferably, it also includes a connecting rope, one end of which is fixed to the side wall of the handle body away from the connecting rod, and the other end passes through several of the unit adjustment blocks in sequence.

[0009] More preferably, the first and second slides are either damping slides or buffer slides to prevent the U-shaped side support from slipping off.

[0010] More preferably, the top and bottom walls of several of the unit adjustment blocks are provided with magnetic material, which can be magnetically fixed to the top wall of the handle body or the bottom wall of the U-shaped side support.

[0011] A valve includes a valve body and a valve stem, and also includes the aforementioned valve folding handle structure.

[0012] An LNG receiving terminal, characterized in that it includes the valves described above.

[0013] The beneficial effects of this utility model are: 1. This utility model sets up a length adjustment component composed of multiple unit adjustment blocks, so that at least one unit adjustment block can form an adjustable extension section with the handle body. The number of unit adjustment blocks can be flexibly adjusted according to the valve operating torque requirements. At the same time, the excess unit adjustment blocks can be further flipped down to be magnetically fixed to the bottom wall of the U-shaped side support, thereby achieving the effect of multi-level lever arm adjustment and overcoming the defect that the lever arm length of the traditional folding handle is not adjustable. 2. This utility model uses a U-shaped side support combined with a connecting rope to support the extended unit adjustment block splicing structure, while also providing axial preload to several unit adjustment blocks to prevent them from falling apart in a non-connected state, thereby enhancing the structural rigidity of the lever arm under load and ensuring the straightness of the lever arm extension direction and structural stability. Attached Figure Description

[0014] The accompanying drawings constituting this utility model are provided to further understand this application and do not constitute an undue limitation on this application.

[0015] Figure 1 This is a schematic diagram of the structure of this utility model in the folded state; Figure 2 This is a schematic diagram of the structure of the present invention in its extended state; In the figure, 1-handle body; 2-length adjustment component; 3-connecting rope; 4-unit adjustment block; 5-U-shaped side support; 6-first slide groove; 7-second slide groove; 8-protrusion; 9-connecting rod. Detailed Implementation

[0016] The present invention provides a valve folding handle structure and specific implementation methods of a valve and an LNG receiving station having the same structure, in conjunction with the accompanying drawings and embodiments.

[0017] A valve folding handle structure includes a handle body 1, a length adjustment component 2 serving as a handle extension, a U-shaped side support 5, and a connecting rod 9. The length adjustment component 2 can be rotated 180° to extend the handle structure 1. Specifically, one end of the connecting rod 9 is threaded to one side of the handle body 1, and the other end is connected to the valve stem. The length adjustment component 2 is composed of several unit adjustment blocks 4, wherein the unit adjustment block 4 at the end of the length adjustment component 2 closest to the handle body 1 and away from the connecting rod 9 is detachably plugged into the handle body 1. The handle body 1 is located within the cavity of the U-shaped side support 5, and the front and rear side walls of the handle body 1 are slidably connected to the two side wing plates of the U-shaped side support 5, respectively. The bottom plate of the U-shaped side support 5 is in contact with the bottom wall of the handle body 1.

[0018] Preferably, the front and rear sidewalls of the handle body 1 are symmetrically provided with first sliding grooves 6 along their length; the front and rear sidewalls of each unit adjustment block 4 are symmetrically provided with second sliding grooves 7; when the length adjustment component 2 is rotated 180°, the second sliding grooves 7 on the front and rear sidewalls of each unit adjustment block 4 are flush with the first sliding grooves 6 on the same side; the inner wall of the side wing plate of the U-shaped side support 5 is provided with limiting sliders (not shown in the figure) corresponding to the positions of the first sliding grooves 6, and the U-shaped side support 5 is slidably connected to the first sliding grooves 6 and the several second sliding grooves 7 after the length adjustment component 2 is rotated through the limiting sliders. The setting of the U-shaped side support 5, on the one hand, provides double-sided guiding sliding limit for the extension section to ensure the coaxial accuracy of the extension section and the handle body 1 during the lever arm extension process, and on the other hand, provides support for the extension section to ensure the stability of the handle structure.

[0019] Preferably, in order to facilitate the storage of the length adjustment component 2, the top and bottom walls of several of the unit adjustment blocks 4 are provided with magnetic material, which can be magnetically fixed to the top wall of the handle body 1 or the bottom wall of the U-shaped side support 5.

[0020] It is worth noting that the length adjustment component 2 provided by this utility model can flexibly adjust the number of unit adjustment blocks 4 to be flipped according to the valve operating torque requirements (e.g., multiple unit adjustment blocks 4 are selected to increase the lever arm for high-pressure valve opening, and a small number of unit adjustment blocks 4 are selected to shorten the lever arm for precision adjustment). That is, when the handle needs to be extended, at least one unit adjustment block 4 can be flipped and extended, while the remaining unit adjustment blocks 4 that are flipped at the same time are further flipped downwards by 180° and then magnetically fixed to the bottom wall of the U-shaped side support 5.

[0021] To achieve flexible adjustability of the extension length, a connecting hole is provided on the end face of the handle body 1 away from the connecting rod 9; each unit adjustment block 4, after being rotated 180°, has a protrusion 8 on the side wall near the handle body 1, and an insertion hole adapted to the position of the protrusion 8 on the other side wall; the protrusion 8 of adjacent unit adjustment blocks 4 can be inserted into or separated from the insertion hole to achieve length adjustment and detachable performance of the length adjustment component 2. The protrusion 8 of the unit adjustment block 4 adjacent to the end of the handle body 1 away from the connecting rod 9 can be inserted into or separated from the connecting hole of the handle body 1 to achieve connection or folding of the extension section to the end face of the handle body 1.

[0022] To ensure that the unit adjustment blocks 4 do not fall apart when flipped or disassembled, this utility model also provides a connecting rope 3. Specifically, one end of the connecting rope 3 is fixed to the side wall of the handle body 1 away from the connecting rod 9 (i.e., the side wall with the connecting hole), and the other end passes through the unit adjustment blocks 4 in sequence to provide an axial preload for the unit adjustment blocks 4.

[0023] More preferably, in order to prevent the U-shaped side support 5 from sliding out of the groove, the first groove 6 and the second groove 7 are either damping grooves or buffer grooves.

[0024] The following is based on the instruction manual. Figure 1-2 The specific usage method of this handle structure is explained in detail: like Figure 1 As shown, when the handle structure does not need to be extended, the protrusion 8 of the unit adjustment block 4 next to the handle body 1 is separated from the connection hole of the handle body 1. All the unit adjustment blocks 4 of the length adjustment component 2 are inserted into each other in turn and magnetically fixed to the top wall of the handle body 1. At this time, the handle body 1 is completely located in the inner cavity of the U-shaped side support 5. The bottom plate of the U-shaped side support 5 is in contact with the bottom wall of the handle body 1 to achieve a compact structure in the folded state.

[0025] like Figure 2 As shown, when the handle structure needs to be extended, select an appropriate number of unit adjustment blocks 4 according to actual needs and insert them in pairs as extension sections; the excess unit adjustment blocks 4 are inserted in pairs but kept separate from the extension sections; then, the protrusion 8 of the unit adjustment block 4 next to the handle body 1 is inserted into the connecting hole of the handle body 1 to complete the fixation of the extension section to the handle body 1. At the same time, the excess unit adjustment blocks 4 are rotated downwards by 180° and magnetically fixed to the bottom wall of the U-shaped side support 5; at this time, the second slide groove 7 of the several unit adjustment blocks 4 (i.e. the extension section) connected to the handle body 1 is flush with the first slide groove 6 on the same side. The U-shaped side support 5 is slid along the first slide groove 6 to the side of the second slide groove 7 away from the connecting rod 9, which can provide support for the extension section.

[0026] A valve includes a valve body and a valve stem, and also includes the aforementioned valve folding handle structure.

[0027] An LNG receiving terminal, characterized in that it includes the valves described above.

[0028] This utility model has a simple structure and is easy to operate. The number of extension unit adjustment blocks can be flexibly selected according to the valve operating torque requirements, thereby achieving the effect of multi-level lever arm adjustment and overcoming the defect that the lever arm length of traditional folding valve handles is not adjustable.

[0029] In this utility model, terms such as "upper," "lower," "bottom," and "top" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are merely used to facilitate the description of the structural relationships of the various components or elements of this utility model and do not specifically refer to any part or element of this utility model; they should not be construed as limiting this utility model. Terms such as "connected" and "linked" should be interpreted broadly, indicating a fixed connection, an integral connection, or a detachable connection; a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be determined according to the specific circumstances, and they should not be construed as limiting this utility model.

[0030] Of course, the above description is not intended to limit the present utility model, and the present utility model is not limited to the examples given above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present utility model should also fall within the protection scope of the present utility model.

Claims

1. A valve folding handle structure, characterized in that, It includes a handle body, a length adjustment component, a U-shaped side support, and a connecting rod; the length adjustment component can be rotated 180° to extend the handle structure; One end of the connecting rod is threaded to one side of the handle body, and the other end of the connecting rod is connected to the valve stem of the valve. The length adjustment assembly is composed of several unit adjustment blocks; the unit adjustment block of the length adjustment assembly, which is close to the handle body and away from the connecting rod, is inserted into the handle body; The handle body is located in the inner cavity of the U-shaped side support, and the front and rear side walls of the handle body are slidably connected to the two side wing plates of the U-shaped side support, respectively. The bottom plate of the U-shaped side support is in contact with the bottom wall of the handle body.

2. The valve folding handle structure according to claim 1, characterized in that, The front and rear sidewalls of the handle body are symmetrically provided with first sliding grooves along its length. A connection hole is provided on the end face of the handle body away from the connecting rod.

3. The valve folding handle structure according to claim 2, characterized in that, The front and rear sidewalls of the unit adjustment block are symmetrically provided with second sliding grooves; after the length adjustment component is rotated 180°, the second sliding grooves on the front and rear sidewalls of each unit adjustment block are flush with the first sliding grooves on the same side. Each of the unit adjustment blocks, after being rotated 180°, has a protrusion on the side wall near the handle body, and an insertion hole on the other side wall that matches the position of the protrusion; adjacent unit adjustment blocks are connected by the protrusion and the insertion hole; the protrusion of the unit adjustment block closest to the handle body away from the connecting rod is connected to the connecting hole of the handle body.

4. The valve folding handle structure according to claim 3, characterized in that, The inner wall of the side wing plate of the U-shaped side support is provided with a limiting slider corresponding to the position of the first slide groove. The U-shaped side support is slidably connected to the first slide groove and several second slide grooves after the length adjustment component is flipped through the limiting slider.

5. The valve folding handle structure according to claim 1, characterized in that, It also includes a connecting rope, one end of which is fixed to the side wall of the handle body away from the connecting rod, and the other end passes through several of the unit adjustment blocks in sequence.

6. The valve folding handle structure according to claim 3, characterized in that, The first and second slides are either damping slides or buffer slides to prevent the U-shaped side support from slipping.

7. The valve folding handle structure according to claim 3, characterized in that, The top and bottom walls of several of the unit adjustment blocks are provided with magnetic material, which can be magnetically fixed to the top wall of the handle body or the bottom wall of the U-shaped side support.

8. A valve, comprising a valve body and a valve stem, characterized in that, It also includes the valve folding handle structure as described in any one of claims 1-7.

9. An LNG receiving terminal, characterized in that, Includes the valve as described in claim 8.

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