Rotating handle for Christmas tree valve and using method
By designing a rotating handle for gas-retrieval tree valve including a handwheel and a rotating rod, the problem of difficulty in manual operation of gas-retrieval tree valve is solved, and a larger torque and force point is achieved, and the rotation efficiency and safety are improved.
Patent Information
- Application Number
- CN202311077677.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-08-24
- Publication Date
- 2025-02-25
AI Technical Summary
During the natural gas mining process, the valves on the gas-picking tree are difficult to open and close manually due to rust and other reasons, resulting in obstacles and dangers in on-site work. The existing auxiliary devices are complex in structure and difficult to install.
A rotating handle for gas-picking tree valve is designed, including a handwheel and a rotating rod. The inner ring of the handwheel is equipped with a connecting rod. The connecting rod is a hollow structure. The rotating rod penetrates through the perforated block and the opening and goes deep into the connecting rod, increasing the torque and providing a greater point of stress.
By increasing the torque and stress point, the problem of difficulty in manual operation of the valve is solved, the rotation torque is increased, and the rotating wheel can rotate smoothly, simplifying operation and reducing the risk of on-site work.
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Figure CN119508570A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of gas production equipment, and in particular relates to a rotating handle for a gas production tree valve and a use method thereof. Background Art
[0002] In the process of natural gas extraction, the gas wellhead device is an indispensable component, which is mainly composed of multiple pipelines and gate valves. In the gas production stage, because there are valves on the pipeline, the valves on the gas tree are generally not opened or closed. However, in case of emergency or maintenance and pipeline replacement, the gate valve needs to be manually closed or opened. However, since the gas tree is generally outdoors or in a simple gas room, and the natural environment nearby is harsh, the hand wheel of the valve is often difficult to open and close manually due to rust and other reasons, causing obstruction of on-site work and even danger. Even if the personnel can open it, it takes a lot of physical strength and time, reducing on-site work efficiency. Therefore, some workers also use auxiliary devices at the gas extraction site. The tool with announcement number CN208005586U provides an auxiliary switch tool, but its structure is relatively complex, and it is difficult to install and takes a long time to install, which is not conducive to on-site use in oil fields. Summary of the invention
[0003] In order to overcome the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a rotating handle for a gas tree valve and a method of use, so as to solve the technical problem that the valve is difficult to operate manually in the prior art.
[0004] In order to achieve the above object, the present invention adopts the following technical solutions:
[0005] The invention discloses a rotating handle for a gas production tree valve, comprising: a handwheel and a rotating rod. A plurality of connecting rods are arranged on the inner ring of the handwheel. The connecting rods are hollow structures, one end of which is intersected and fixed at the center of the handwheel, and the other end is fixed on the handwheel. An opening is arranged at the intersection of the connecting rods along the axial direction thereof, a perforated block aligned with the opening is arranged on the handwheel, the rotating rod passes through the perforated block and the opening and goes deep into the connecting rod, and a connecting block for connecting a valve stem and the handwheel is arranged at the bottom at the center of the handwheel.
[0006] Preferably, the outer diameter of the connecting rod is larger than that of the handwheel, and its internal hollow portion is a rotating cavity. The cross-section of the rotating cavity is a rectangular structure, the outer cross-section of the connecting rod is a circular structure, and the opening on the connecting rod is a threaded hole, which cooperates with a threaded plug to seal the connecting rod.
[0007] Preferably, the threaded plug comprises a plug body, a knob is arranged at the upper end of the plug body, a plug thread section cooperating with the threaded hole is arranged at the lower end, and a sealing section is also arranged between the plug thread section and the plug body.
[0008] Preferably, the rotating rod comprises a handle, one end of which is connected to a long section, and the other end of which is connected to a short section. Both the long section and the short section are circular sections, and a square sleeve is detachably provided on the outer side of the circular section.
[0009] Preferably, the length of the square sleeve is the same as that of the long section. When in use, the square sleeve is sleeved on the outside of the circular section, passes through the perforated block and the opening, and penetrates into the connecting rod.
[0010] Preferably, the rotating rod includes a handle means, one end of the handle means is connected to a long section, and the other end is connected to a short section, the long section has a rectangular cross-section, the short section has a circular cross-section, the handle means is an arc-shaped structure with a circular cross-section, a soft pad is provided on the inner side of the arc of the handle means, and a grip is provided on the outer side.
[0011] Preferably, a through hole is provided inside the perforated block for the rotating rod to pass through.
[0012] Preferably, three connecting rods are provided, which are all arranged inside the hand wheel in the circumferential direction to divide the hand wheel into three parts.
[0013] The present invention also discloses a method for using a rotating handle for a gas tree valve, comprising the following steps:
[0014] 1) When the hand wheel can be turned normally with both hands, turn the hand wheel directly;
[0015] 2) When the hand wheel cannot be turned normally with both hands:
[0016] One end of the rotating rod passes through the perforated block and the opening and extends into the connecting rod;
[0017] Push the other end of the rotating rod to rotate around the valve stem, driving the handwheel to rotate.
[0018] Preferably, the opening on the connecting rod is a threaded hole, which cooperates with a threaded plug to seal the connecting rod; when the handwheel is normally rotated with both hands, the threaded plug is fixed at the threaded hole, and when the handwheel cannot be normally rotated with both hands, after removing the threaded plug, one end of the rotating rod passes through the perforated block and the opening and extends into the connecting rod.
[0019] Compared with the prior art, the present invention has the following beneficial effects:
[0020] The present invention discloses a rotating handle for a gas production tree valve, in which a connecting rod is arranged on the inner circle of the hand wheel, and the connecting rod is a hollow structure, which cooperates with the rotating rod. When in use, the rotating rod passes through the perforated block and the opening and goes deep into the connecting rod, which effectively increases the torque. By setting the perforated block, the fulcrum is widened and thickened, and a larger torque is provided while providing a larger force point, so that it can increase the rotational torque to allow the rotating wheel to rotate into place; the technical problem that the valve in the prior art is difficult to operate manually is solved, and the present application has a simple structure, is easy to operate, and is convenient to use at the work site.
[0021] Furthermore, the outer diameter of the connecting rod is larger than that of the hand wheel, and the cross-section of the rotating cavity is a rectangular structure, which is convenient for clamping the rotating rod. At the same time, the force on the entire surface is conducive to increasing the force surface during rotation and improving the service life of the device.
[0022] Furthermore, a threaded plug is provided on the rotating cavity to prevent foreign matter from entering when not in use, thereby keeping the interior clean.
[0023] Furthermore, a matching rotating rod is provided, and the structure of the rotating rod is improved so that it can adapt to the requirements of more environmental conditions. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a structural schematic diagram of the present invention;
[0025] Figure 2 for Figure 1 Cross-sectional view (only one threaded plug is shown, there are actually three);
[0026] Figure 3 for Figure 1 AA cross-section diagram of ;
[0027] Figure 4 This is the front view of the threaded plug;
[0028] Figure 5 It is a three-dimensional diagram of a threaded plug;
[0029] Figure 6 is a schematic diagram of the structure of the rotating rod;
[0030] Figure 7 FIG. 4 is a schematic cross-sectional view of a rotating rod according to another embodiment.
[0031] Among them: 1-handwheel; 2-connecting rod; 21-threaded hole; 22-rotating cavity; 3-perforated block; 31-perforation; 4-connecting block; 5-valve stem; 6-threaded plug; 61-knob; 62-plug body; 63-plug threaded section; 64-sealing section; 7-rotating rod; 71-long section; 72-handle means; 721-cushion; 722-grip part; 73-short section; 74-square sleeve. DETAILED DESCRIPTION
[0032] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.
[0033] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0034] The present invention is further described in detail below in conjunction with the accompanying drawings:
[0035] See also Figure 1 , Figure 3 The present invention discloses a rotating handle for a gas production tree valve, characterized in that it includes: a handwheel 1 and a rotating rod 7, the inner ring of the handwheel 1 is provided with a plurality of connecting rods 2, the connecting rod 2 is a hollow structure, one end of which is fixed at the center of the handwheel 1, and the other end is fixed on the handwheel 1, the intersection of the connecting rods 2 is provided with an opening along its axial direction, the handwheel 1 is provided with a perforated block 3 aligned with the opening, the rotating rod 7 passes through the perforated block 3 and the opening to go deep into the connecting rod 2, and the bottom of the center of the handwheel 1 is provided with a connecting block 4 for connecting the valve stem 5 and the handwheel 1. When in use, the rotating rod 7 passes through the perforated block 3 and the opening to go deep into the connecting rod 2, effectively increasing the torque, and by providing the perforated block 3, widening and thickening the force point, providing a larger torque and a larger force point, so that it can increase the rotation torque to allow the rotating wheel to rotate in place.
[0036] See also Figure 2 In some embodiments, the outer diameter of the connecting rod 2 is larger than the outer diameter of the handwheel 1, and the internal hollow portion thereof is a rotating cavity 22. The cross-section of the rotating cavity 22 is a rectangular structure, and the outer cross-section of the connecting rod 2 is a circular structure. The opening on the connecting rod 2 is a threaded hole 21, which is used to seal the connecting rod 2 with a threaded plug 6. The outer diameter of the connecting rod is larger than the outer diameter of the handwheel, and the cross-section of the rotating cavity 22 is a rectangular structure, which is convenient for installing the rotating rod. At the same time, the force on the entire surface is conducive to increasing the force surface during rotation, thereby improving the service life of the device, and a threaded plug 6 is provided on the rotating cavity 22 to prevent foreign matter from entering when not in use, thereby keeping the interior clean.
[0037] See also Figure 4 , Figure 5 In some embodiments, the threaded plug 6 includes a plug body 62, a knob 61 is provided at the upper end of the plug body 62, a plug thread section 63 cooperating with the threaded hole 21 is provided at the lower end, and a sealing section 64 is also provided between the plug thread section 63 and the plug body 62.
[0038] See also Figure 7 In some embodiments, the rotating rod 7 includes a handle 72, one end of which is connected to the long section 71, and the other end is connected to the short section 73. The long section 71 and the short section 72 are both circular sections, and a square sleeve 74 can be detachably sleeved on the outer side of the circular section. A matching rotating rod is provided, and the rotating rod structure is improved to enable it to adapt to the needs of more environmental conditions.
[0039] In some embodiments, the length of the square sleeve 74 is the same as that of the long section 71 . When in use, the square sleeve 74 is sleeved on the outside of the circular section and passes through the perforated block 3 and the opening to penetrate into the connecting rod 2 .
[0040] See also Figure 6 In some embodiments, the rotating rod 7 includes a handle member 72, one end of the handle member 72 is connected to the long section 71, and the other end is connected to the short section 73. The cross-section of the long section 71 is rectangular, and the cross-section of the short section 73 is circular. The handle member 72 is an arc-shaped structure with a circular cross-section. A soft pad 721 is provided on the inner side of the arc of the handle member 72, and a gripping portion 722 is provided on the outer side.
[0041] In some embodiments, a through hole 31 is provided inside the perforated block 3 for the rotating rod 7 to pass through.
[0042] In some embodiments, three connecting rods 2 are provided, which are all circumferentially arranged inside the handwheel 1 to divide the handwheel 1 into three parts.
[0043] The present invention also discloses a method for using a rotating handle for a gas tree valve, comprising the following steps:
[0044] 1) When hand wheel 1 can be turned normally with both hands, turn hand wheel 1 directly;
[0045] 2) When hand wheel 1 cannot be turned normally with both hands:
[0046] One end of the rotating rod 7 passes through the perforated block 3 and the opening and extends into the connecting rod 2;
[0047] The other end of the rotating rod 7 is pushed to rotate around the valve stem 5, thereby driving the hand wheel 1 to rotate.
[0048] In some embodiments, the opening on the connecting rod 2 is a threaded hole 21, which cooperates with the threaded plug 6 to seal the connecting rod 2; when the handwheel 1 is normally rotated with both hands, the threaded plug 6 is fixed at the threaded hole 21. When the handwheel 1 cannot be rotated normally with both hands, after removing the threaded plug 6, one end of the rotating rod 7 passes through the perforated block 3 and the opening and extends into the connecting rod 2.
[0049] [Example 1]
[0050] A rotating hand wheel for a gas tree valve, comprising a hand wheel 1, a connecting rod 2 connecting the hand wheel 1 to the top of a valve stem 5, and a connecting block 4; the connecting rods 2 are provided with three pieces, forming a three-way fork, and the connecting block 4 is arranged at the bottom of the intersection of the connecting rods 2; the outer diameter of the connecting rod 2 is larger than the outer diameter of the hand wheel 1, the connecting rod 2 is a hollow structure, and serves as a rotating cavity 22, the hand wheel 1 is provided with a perforated block 3 at the extension direction corresponding to the rotating cavity 22, the cross section of the perforated block 3 is a rectangular structure, and a perforated hole 31 is arranged in the middle, the perforated hole 31 is also a rectangular structure, the size of the perforated block 3 is larger than the outer diameter of the hand wheel 1, and the force strength of the rotating wheel will not be reduced; the cross section of the rotating cavity 22 is also a rectangular structure, but the outer cross section of the connecting rod 2 is a circular structure, and the cross section size of the perforated hole 31 is the same as the cross section size of the rotating cavity 22. A rotating rod 7 is also provided, and the width direction size of the rotating rod 7 is smaller than the perforated hole 31 and the rotating cavity 22.
[0051] The side where the rotating cavity 22 contacts the rotating wheel is a closed structure, and a circular opening corresponding to the extension direction of the rotating cavity 22 is provided at the intersection of the rotating cavity 22. The inner diameter of the circular opening is larger than the diagonal length of the hole of the rectangular structure of the rotating cavity 22. The circular opening is provided with an internal thread, and the circular opening serves as a threaded hole 21. The inner diameter of the threaded hole 21 is larger than the diagonal length of the rectangular cross-section of the rotating cavity 22, and a threaded plug 6 is installed in the circular opening. The threaded plug 6 includes a knob 61, a plug body 62, a plug thread section 63, and a sealing section 64. The plug body 62 has a larger diameter than the plug thread section 63. The plug thread section 63 is provided with an external thread matching the threaded hole 21, and a conical sealing section 64 is provided between the plug thread section 63 and the plug body 62. The sealing section 64 is made of rubber and fits the outer side of the threaded hole 21. A strip-shaped knob 61 is provided on the top of the plug body 62. The plug body 62 is used to prevent foreign debris from entering the rotating cavity 22, causing damage to the inside of the rotating cavity 22, and affecting the later insertion of the rotating rod 7.
[0052] Working principle:
[0053] When the hand wheel 1 cannot be rotated normally with both hands, the plug body 62 is taken out, and the long section 71 or the short section 73 of the rotating rod 7 is inserted in the required direction, and then the rotating rod 7 is rotated to drive the hand wheel 1 to rotate. Since three rotating cavities 22 are provided, the problem of the rotating rod 7 being blocked when the hand wheel 1 is close to other obstacles can be avoided, and the rotating cavity 22 that meets the requirements can always be selected.
[0054] [Example 2]
[0055] A rotating hand wheel for a gas tree valve, comprising a hand wheel 1, a connecting rod 2 connecting the hand wheel 1 to the top of a valve stem 5, and a connecting block 4; the connecting rods 2 are provided with three pieces, forming a three-way fork, and the connecting block 4 is arranged at the bottom of the intersection of the connecting rods 2; the outer diameter of the connecting rod 2 is larger than the outer diameter of the hand wheel 1, the connecting rod 2 is a hollow structure, and serves as a rotating cavity 22, the hand wheel 1 is provided with a perforated block 3 at the extension direction corresponding to the rotating cavity 22, the cross section of the perforated block 3 is a rectangular structure, and a perforated hole 31 is arranged in the middle, the perforated hole 31 is also a rectangular structure, the size of the perforated block 3 is larger than the outer diameter of the hand wheel 1, and the force strength of the rotating wheel will not be reduced; the cross section of the rotating cavity 22 is also a rectangular structure, but the outer cross section of the connecting rod 2 is a circular structure, and the cross section size of the perforated hole 31 is the same as the cross section size of the rotating cavity 22. A rotating rod 7 is also provided, and the width direction size of the rotating rod 7 is smaller than the perforated hole 31 and the rotating cavity 22.
[0056] The side where the rotating cavity 22 contacts the rotating wheel is a closed structure, and a circular opening corresponding to the extension direction of the rotating cavity 22 is provided at the intersection of the rotating cavity 22. The inner diameter of the circular opening is larger than the diagonal length of the hole of the rectangular structure of the rotating cavity 22. The circular opening is provided with an internal thread, and the circular opening serves as a threaded hole 21. The inner diameter of the threaded hole 21 is larger than the diagonal length of the rectangular cross-section of the rotating cavity 22, and a threaded plug 6 is installed in the circular opening. The threaded plug 6 includes a knob 61, a plug body 62, a plug thread section 63, and a sealing section 64. The plug body 62 has a larger diameter than the plug thread section 63. The plug thread section 63 is provided with an external thread matching the threaded hole 21, and a conical sealing section 64 is provided between the plug thread section 63 and the plug body 62. The sealing section 64 is made of rubber and fits the outer side of the threaded hole 21. A strip-shaped knob 61 is provided on the top of the plug body 62. The plug body 62 is used to prevent foreign debris from entering the rotating cavity 22, causing damage to the inside of the rotating cavity 22, and affecting the later insertion of the rotating rod 7.
[0057] like Figure 6As shown, a rotating rod 7 comprises a long section 71, a handle section 72 and a short section 73 connected in sequence. The long section 71 is a rectangular rod body, and its length is not less than 1.5 times of the diameter of the rotating wheel, ensuring that it can be inserted into the through hole 31 and extend to the end of the rotating cavity 22. Some space is left outside for easy rotation, and the rectangular rod body can be combined with the through hole 31 and the rotating cavity 22. The handle section 72 is an arc-shaped structure with a circular cross-section. A cushion 721 is provided on the arc inner side of the handle section 72, and a plurality of arc-shaped protrusions are provided on the arc outer side of the handle section 72 as a gripping portion 722. The gripping portion 722 is convenient for pinching with fingers, and the soft pad 721 can, in some cases, make it convenient for a person to use his shoulder to support and assist in turning the handwheel 1; the short section 73 at the other end of the gripping portion 72 also has a circular cross-section, and the short section 73 is parallel to the long section 71, and the length is not less than two-fifths of the long section 71. After inserting the long section 71, the handwheel 1 can be rotated by holding the short section 73. In some extreme cases, the short section 73 can be directly inserted into the through hole 31 and the rotating cavity 22, and then the long section 71 can be held to rotate the handwheel 1. At this time, the lever is longer, more labor-saving, and it is easier to turn the clamping handwheel 1.
[0058] Working principle:
[0059] When the hand wheel 1 cannot be rotated normally with both hands, the plug body 62 is taken out, and the long section 71 or the short section 73 of the rotating rod 7 is inserted in the required direction, and then the rotating rod 7 is rotated to drive the hand wheel 1 to rotate. Since three rotating cavities 22 are provided, the problem of the rotating rod 7 being blocked when the hand wheel 1 is close to other obstacles can be avoided, and the rotating cavity 22 that meets the requirements can always be selected.
[0060] [Example 3]
[0061] A rotating hand wheel for a gas tree valve, comprising a hand wheel 1, a connecting rod 2 connecting the hand wheel 1 to the top of a valve stem 5, and a connecting block 4; the connecting rods 2 are provided with three pieces, forming a three-way fork, and the connecting block 4 is arranged at the bottom of the intersection of the connecting rods 2; the outer diameter of the connecting rod 2 is larger than the outer diameter of the hand wheel 1, the connecting rod 2 is a hollow structure, and serves as a rotating cavity 22, the hand wheel 1 is provided with a perforated block 3 at the extension direction corresponding to the rotating cavity 22, the cross section of the perforated block 3 is a rectangular structure, and a perforated hole 31 is arranged in the middle, the perforated hole 31 is also a rectangular structure, the size of the perforated block 3 is larger than the outer diameter of the hand wheel 1, and the force strength of the rotating wheel will not be reduced; the cross section of the rotating cavity 22 is also a rectangular structure, but the outer cross section of the connecting rod 2 is a circular structure, and the cross section size of the perforated hole 31 is the same as the cross section size of the rotating cavity 22. A rotating rod 7 is also provided, and the width direction size of the rotating rod 7 is smaller than the perforated hole 31 and the rotating cavity 22.
[0062] The side where the rotating cavity 22 contacts the rotating wheel is a closed structure, and a circular opening corresponding to the extension direction of the rotating cavity 22 is provided at the intersection of the rotating cavity 22. The inner diameter of the circular opening is larger than the diagonal length of the hole of the rectangular structure of the rotating cavity 22. The circular opening is provided with an internal thread, and the circular opening serves as a threaded hole 21. The inner diameter of the threaded hole 21 is larger than the diagonal length of the rectangular cross-section of the rotating cavity 22, and a threaded plug 6 is installed in the circular opening. The threaded plug 6 includes a knob 61, a plug body 62, a plug thread section 63, and a sealing section 64. The plug body 62 has a larger diameter than the plug thread section 63. The plug thread section 63 is provided with an external thread matching the threaded hole 21, and a conical sealing section 64 is provided between the plug thread section 63 and the plug body 62. The sealing section 64 is made of rubber and fits the outer side of the threaded hole 21. A strip-shaped knob 61 is provided on the top of the plug body 62. The plug body 62 is used to prevent foreign debris from entering the rotating cavity 22, causing damage to the inside of the rotating cavity 22, and affecting the later insertion of the rotating rod 7.
[0063] like Figure 7 The rotating rod 7 includes a handle 72, one end of which is connected to the long section 71, and the other end is connected to the short section 73. The long section 71 and the short section 72 are both circular sections, and a matching square sleeve 74 is provided on the outside of the circular section. The length of the square sleeve 74 is the same as that of the long section 71. The square sleeve 74 is put on the section that needs to be inserted into the rotating cavity 22, and the other section does not need it, so as to ensure convenient use and more comfortable grip of the circular section. In special cases, the square sleeve can be directly used to rotate the hand wheel.
[0064] Working principle:
[0065] When the hand wheel 1 cannot be rotated normally with both hands, the plug body 62 is taken out, and the long section 71 or the short section 73 of the rotating rod 7 is inserted in the required direction, and then the rotating rod 7 is rotated to drive the hand wheel 1 to rotate. Since three rotating cavities 22 are provided, the problem of the rotating rod 7 being blocked when the hand wheel 1 is close to other obstacles can be avoided, and the rotating cavity 22 that meets the requirements can always be selected.
[0066] In summary, the present invention has the following advantages:
[0067] 1. Unlike the existing scheme in which the connecting rod diameter is smaller than the handwheel diameter, this scheme adopts a connecting rod with a size larger than the handwheel body, and a rectangular (especially square) rotating cavity is arranged in the middle thereof, and a thickened and widened perforated block and perforation are arranged on the corresponding handwheel, so that the rotating rod can be better placed, providing a larger torque and force point, so that the rotating torque can be increased to allow the rotating wheel to rotate in place;
[0068] 2. Install a threaded plug on the rotating cavity to prevent foreign matter from entering when not in use and keep the interior clean;
[0069] 3. Set up a matching rotating rod and improve the structure of the rotating rod so that it can adapt to the needs of more environmental conditions.
[0070] The above contents are only for explaining the technical idea of the present invention and cannot be used to limit the protection scope of the present invention. Any changes made on the basis of the technical solution in accordance with the technical idea proposed by the present invention shall fall within the protection scope of the claims of the present invention.
Claims
1. A rotating handle for a gas tree valve, characterized in that: include: A handwheel (1) and a rotating rod (7), the inner ring of the handwheel (1) is provided with a plurality of connecting rods (2), the connecting rods (2) are hollow structures, one end of which is fixed at the center of the handwheel (1) and the other end is fixed on the handwheel (1), an opening is provided at the intersection of the connecting rods (2) along the axial direction thereof, a perforated block (3) aligned with the opening is provided on the handwheel (1), the rotating rod (7) passes through the perforated block (3) and the opening and penetrates into the connecting rod (2), and a connecting block (4) for connecting the valve stem (5) and the handwheel (1) is provided at the bottom at the center of the handwheel (1).
2. A rotating handle for a gas tree valve according to claim 1, characterized in that: The outer diameter of the connecting rod (2) is greater than the outer diameter of the hand wheel (1), and the inner hollow portion thereof is a rotating cavity (22). The cross section of the rotating cavity (22) is a rectangular structure, and the outer cross section of the connecting rod (2) is a circular structure. The opening on the connecting rod (2) is a threaded hole (21) that cooperates with a threaded plug (6) to seal the connecting rod (2).
3. A rotating handle for a gas tree valve according to claim 2, characterized in that: The threaded plug (6) comprises a plug body (62), a knob (61) is arranged at the upper end of the plug body (62), a plug thread section (63) matching with the threaded hole (21) is arranged at the lower end, and a sealing section (64) is also arranged between the plug thread section (63) and the plug body (62).
4. A rotating handle for a gas tree valve according to claim 1, characterized in that: The rotating rod (7) comprises a handle member (72), one end of the handle member (72) is connected to a long section (71), and the other end is connected to a short section (73), the long section (71) and the short section (72) are both circular sections, and a square sleeve (74) is detachably sleeved on the outer side of the circular section.
5. The rotating handle for a gas tree valve according to claim 1, characterized in that: The square sleeve (74) has the same length as the long section (71). When in use, the square sleeve (74) is sleeved on the outside of the circular section, passes through the perforated block (3) and the opening, and penetrates into the connecting rod (2).
6. A rotating handle for a gas tree valve according to claim 1, characterized in that: The rotating rod (7) comprises a handle member (72), one end of the handle member (72) is connected to a long section (71), and the other end is connected to a short section (73), the long section (71) has a rectangular cross section, the short section (73) has a circular cross section, the handle member (72) is an arc-shaped structure, and its cross section is circular, a soft pad (721) is provided on the inner side of the arc of the handle member (72), and a gripping portion (722) is provided on the outer side.
7. A rotating handle for a gas tree valve according to claim 1, characterized in that: The perforated block (3) is provided with a perforated hole (31) inside, through which the rotating rod (7) can pass.
8. The rotating handle for a gas tree valve according to claim 1, characterized in that: The connecting rods (2) are provided in three numbers and are all arranged inside the hand wheel (1) in the circumferential direction, dividing the hand wheel (1) into three parts.
9. The method for using the rotating handle for a gas tree valve according to any one of claims 1 to 8, characterized in that: The following steps are involved: 1) When the hand wheel (1) can be turned normally with both hands, turn the hand wheel (1) directly; 2) When the hand wheel (1) cannot be turned normally with both hands: One end of the rotating rod (7) passes through the perforated block (3) and the opening and extends into the connecting rod (2); The other end of the rotating rod (7) is pushed to rotate around the valve stem (5) to drive the hand wheel (1) to rotate.
10. The method for using a rotating handle for a gas tree valve according to claim 9, characterized in that: The opening on the connecting rod (2) is a threaded hole (21) which cooperates with a threaded plug (6) to seal the connecting rod (2); when the hand wheel (1) is normally rotated with both hands, the threaded plug (6) is fixed at the threaded hole (21); when the hand wheel (1) cannot be normally rotated with both hands, after the threaded plug (6) is removed, one end of the rotating rod (7) passes through the perforated block (3) and the opening and extends into the connecting rod (2).
Citation Information
Patent Citations
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