Adjusting wrench for gas adjusting valve

Abstract

The utility model provides an adjusting wrench for a gas adjusting valve, the adjusting wrench is used for rotating an adjusting screw to change the position of a valve core, the adjusting wrench for the gas adjusting valve comprises an operating handle and a buckle, a first end of the operating handle is connected with the buckle, the buckle is arranged on one side, close to the adjusting screw, of the operating handle, and the buckle comprises at least two clamping strip top buckling pieces; the at least two clamping strip top fasteners are oppositely arranged and used for being embedded into the clamping grooves of the adjusting screws. The clamping strip top fastener can be embedded into the clamping groove of the adjusting screw, so that the adjusting screw can be driven to rotate when the operating handle moves in the circumferential direction of the adjusting screw, a proper holding and force application mode is provided, and torque application is more effective and stable. Compared with the mode that the adjusting screw is rotated through a straight screwdriver, the adjusting wrench for the gas adjusting valve can better deal with resistance encountered when the adjusting screw is rotated, and especially under the condition that the position of the adjusting screw is narrow or the adjusting screw is difficult to touch, operation can be conducted more easily.

Description

Technical Field

[0001] This application belongs to the technical field of internal combustion engines, and particularly relates to an adjusting wrench for a gas regulating valve. Background Art

[0002] The gas regulating valve includes: a valve body, which is the main housing of the gas regulating valve, provides installation and support for internal components, and is connected to the pipeline; a valve core, which is located inside the valve body and is a key component for controlling the gas flow; and an adjusting mechanism, which includes an adjusting screw. By rotating the adjusting screw, the position of the valve core is changed, thereby adjusting the gas flow.

[0003] The conventional way to rotate the adjusting screw is as follows: use a flat-head screwdriver to insert its blade into the card slot of the adjusting screw, and drive the adjusting screw to rotate by rotating the flat-head screwdriver. Since the flat-head screwdriver is not a special wrench for rotating the adjusting screw, the method of rotating the adjusting screw with a flat-head screwdriver has low feasibility and poor safety. Utility Model Content

[0004] Therefore, the technical problem to be solved by this application is to provide an adjusting wrench for a gas regulating valve, which provides a suitable way of holding and applying force by setting an operating handle and a buckle, making the applied torque more effective and stable, making the operation of rotating the adjusting screw easier, and reducing the risk during the operation at the same time.

[0005] To solve the above problems, this application provides an adjusting wrench for a gas regulating valve, which is used to rotate the adjusting screw to change the position of the valve core. The adjusting wrench for the gas regulating valve includes an operating handle and a buckle. The first end of the operating handle is connected to the buckle. The buckle is arranged on one side of the operating handle close to the adjusting screw. The buckle includes at least two strip top fasteners, and at least two strip top fasteners are arranged oppositely for embedding into the card slot of the adjusting screw.

[0006] Optionally, the buckle further includes a lever force transmission member. The lever force transmission member includes a bottom arm and at least two parallel straight arms. The middle position of the bottom arm is connected to the operating handle. At least two parallel straight arms are arranged perpendicular to the bottom arm and are respectively connected to both ends of the bottom arm. At least two strip top fasteners are arranged parallel to the bottom arm and are respectively connected to at least two parallel straight arms.

[0007] Optionally, the width of the bottom arm and the straight arms is greater than the width of the strip top fasteners.

[0008] Optionally, the buckle is integrally formed.

[0009] Optionally, the length of the operating handle is adjustable.

[0010] Optionally, the operating handle includes a first section and a second section, the first section being adapted to slide along the second section and being fixed by a fastening screw.

[0011] Optionally, the operating handle includes a first section and a second section, the first section being rotatably connected to the second section such that the operating handle can be deployed or folded.

[0012] Optionally, the operating handle includes a plurality of detachable segments.

[0013] Optionally, the adjusting wrench for the gas regulating valve further includes a wrench head, and the second end of the operating handle is connected to the wrench head.

[0014] Optionally, the wrench head has a semi-closed opening, and the edge of the semi-closed opening is linear.

[0015] Advantageous Effects

[0016] In the embodiment of the present utility model, the adjusting wrench for the gas regulating valve is provided with a strip top fastener that can be embedded in the slot of the adjusting screw, so that when the operating handle moves along the circumferential direction of the adjusting screw, it can drive the adjusting screw to rotate, providing a suitable way of holding and applying force, making the applied torque more effective and stable. Compared with the method of rotating the adjusting screw with a flat-head screwdriver, the adjusting wrench for the gas regulating valve can better cope with the resistance encountered when rotating the adjusting screw, especially when the position of the adjusting screw is relatively cramped or difficult to reach, making the operation easier; at the same time, at least two strip top fasteners are provided, which can disperse the force more evenly, reduce the risk of slipping, and thus can reduce accidents during the operation. Description of the Drawings

[0017] Figure 1 is a schematic structural diagram of an adjusting wrench for a gas regulating valve according to an optional embodiment of the present application;

[0018] Figure 2 is a schematic structural diagram of an adjusting wrench for a gas regulating valve according to another optional embodiment of the present application;

[0019] Figure 3 is a schematic structural diagram of an adjusting wrench for a gas regulating valve according to still another optional embodiment of the present application.

[0020] The reference numerals are shown as:

[0021] 1. Operating handle; 2. Buckle; 21. Strip top fastener; 22. Lever force transmission member; 221. Bottom arm; 222. Straight arm; 3. Wrench head. Detailed Embodiments

[0022] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0023] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "a plurality of" is two or more unless otherwise specifically defined.

[0024] In the present application, unless otherwise clearly defined and limited, terms such as "install", "connect", "connection", "fix", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present utility model and are not used to limit the present utility model.

[0026] Refer to in combination Figures 1 to 3 As shown, according to an embodiment of the present application, a regulating wrench for a gas regulating valve is provided, which is used to rotate a regulating screw to change the position of a valve core. The regulating wrench for the gas regulating valve includes an operating handle 1 and a buckle 2. The first end of the operating handle 1 is connected to the buckle 2. The buckle 2 is arranged on the side of the operating handle 1 close to the regulating screw. The buckle 2 includes at least two strip top fasteners 21, and the at least two strip top fasteners 21 are arranged oppositely for being embedded into a slot of the regulating screw.

[0027] In the embodiments of the present application, the adjusting wrench for a gas regulating valve is provided. By setting the clamping strip top fastener 21 to be able to be embedded in the card slot of the adjusting screw, when the operating handle 1 moves along the circumferential direction of the adjusting screw, it can drive the adjusting screw to rotate, providing a suitable way of holding and applying force, making the applied torque more effective and stable. Compared with the way of rotating the adjusting screw with a flat-head screwdriver, the adjusting wrench for a gas regulating valve can better cope with the resistance encountered when rotating the adjusting screw. Especially when the position of the adjusting screw is relatively cramped or difficult to reach, it can make the operation easier; at the same time, at least two clamping strip top fasteners 21 are provided, which can disperse the force more evenly, reduce the risk of slipping, and thus can reduce accidents during the operation.

[0028] Among them, the operating handle 1 is generally long strip-shaped.

[0029] Specifically, in this embodiment, the operating handle 1 is a rectangular metal long rod.

[0030] Among them, a buckle 2 is connected to the first end of the operating handle 1. The buckle 2 is arranged on the side of the operating handle 1 close to the adjusting screw. The buckle 2 includes a clamping strip top fastener 21, and the clamping strip top fastener 21 can be embedded in the card slot of the adjusting screw, so as to lock the adjusting screw, realize the relative fixation of the operating handle 1 and the adjusting screw, and make the operating handle 1 drive the adjusting screw to rotate when moving along the circumferential direction of the adjusting screw.

[0031] Among them, the first end of the operating handle 1 can be the end of the operating handle 1 close to the adjusting screw.

[0032] Specifically, in this embodiment, when the adjusting wrench for a gas regulating valve rotates the adjusting screw, the operating handle 1 is horizontally arranged, and the operating handle 1 rotates with the axis line of the adjusting screw as the rotation center.

[0033] Among them, at least two clamping strip top fasteners 21 are provided. For example, two clamping strip top fasteners 21 are provided, and the two clamping strip top fasteners 21 are arranged opposite to each other along the radial direction of the adjusting screw; three clamping strip top fasteners 21 are provided, and the three clamping strip top fasteners 21 are evenly arranged along the circumferential direction of the adjusting screw; four clamping strip top fasteners 21 are provided, and the four clamping strip top fasteners 21 are also evenly arranged along the circumferential direction of the adjusting screw.

[0034] Specifically, in this embodiment, two clamping strip top fasteners 21 are provided. On the one hand, it can disperse the force more evenly and avoid the breakage of a single clamping strip top fastener 21; on the other hand, it can reduce the production cost.

[0035] Among them, the clamping strip top fastener 21 can be rectangular, cylindrical or diamond-shaped, etc. In this embodiment, the clamping strip top fastener 21 is preferably rectangular, which can be closely attached to the bottom wall and side wall of the card slot, increase the friction force, and reduce the risk of slipping.

[0036] In some possible embodiments provided by the present application, the buckle 2 further includes a lever force transmission member 22. The lever force transmission member 22 includes a bottom arm 221 and at least two parallel straight arms 222. The middle position of the bottom arm 221 is connected to the operation handle 1. The at least two parallel straight arms 222 are arranged perpendicular to the bottom arm 221 and are respectively connected to both ends of the bottom arm 221. The at least two strip top fasteners 21 are arranged parallel to the bottom arm 221 and are respectively connected to the at least two parallel straight arms 222.

[0037] Among them, when the regulating screw of the gas regulating valve is rotated with the regulating wrench, the lever force transmission member 22 is vertically arranged, which can change the direction of the acting force, and can realize the conversion of the force that makes the operation handle 1 move circumferentially along the regulating screw in the horizontal plane into the torque required for the rotation of the regulating screw, making the applied torque more effective and stable.

[0038] Among them, the lever force transmission member 22 is a U-shaped structure, and the opening direction of the U-shaped lever force transmission member 22 faces downward.

[0039] Among them, the lever force transmission member 22 includes a bottom arm 221 and a straight arm 222. Both the bottom arm 221 and the straight arm 222 can be rectangular metal plates. The bottom arm 221 is used to connect the operation handle 1, and the straight arm 222 is used to connect the strip top fastener 21.

[0040] Specifically, the operation handle 1 is connected to the middle position of the bottom arm 221, making the applied torque more effective and stable.

[0041] Among them, at least two straight arms 222 are provided, and the at least two straight arms 222 are arranged in one-to-one correspondence with the at least two strip top fasteners 21.

[0042] Among them, in this embodiment, two strip top fasteners 21 are provided, and two corresponding straight arms 222 are also provided.

[0043] Specifically, the two straight arms 222 are parallel to each other and are oppositely arranged at both ends of the bottom arm 221 along the length direction of the bottom arm 221.

[0044] Among them, in this embodiment, the straight arm 222 is perpendicular to the bottom arm 221, making the applied torque more effective and stable.

[0045] Among them, the end of the straight arm 222 far from the bottom arm 221 is used to connect the strip top fastener 21.

[0046] Specifically, the strip top fastener 21 is parallel to the bottom arm 221, and the projection of the strip top fastener 21 in the upward direction is located on the bottom arm 221.

[0047] In some possible embodiments provided by the present application, the widths of the bottom arm 221 and the straight arm 222 are greater than the width of the strip top fastener 21. By setting the widths of the bottom arm 221 and the straight arm 222 to be greater than the width of the strip top fastener 21, the stiffness of the lever transmission member 22 can be improved, preventing the lever transmission member 22 from deforming under the action of torque, making the applied torque more effective and stable.

[0048] Among them, the widths of the bottom arm 221 and the straight arm 222 are the same.

[0049] In some possible embodiments provided by the present application, the buckle 2 is integrally formed. By setting the buckle 2 to be integrally formed, the probability of the buckle 2 breaking can be reduced, improving the working stability of the adjusting wrench for the gas regulating valve.

[0050] In some possible embodiments provided by the present application, the length of the operating handle 1 is adjustable.

[0051] Among them, the operating handle 1 is the force application lever of the adjusting wrench for the gas regulating valve, that is to say, the length of the operating handle 1 is the length of the force arm.

[0052] Specifically, when the length of the operating handle 1 is adjustable, the force arm length of the adjusting wrench for the gas regulating valve is adjustable. When it is difficult to turn the adjusting screw, the length of the operating handle 1 is increased, so as to achieve the purpose of saving effort. It should be noted that by setting the length of the operating handle 1 to be adjustable, the adjusting wrench for the gas regulating valve can also be used in a limited space, increasing the applicable range of the adjusting wrench for the gas regulating valve.

[0053] In some possible embodiments provided by the present application, as shown in Figure 1 the operating handle 1 includes a first section and a second section. The first section is adapted to slide along the second section and is fixed by a fastening screw.

[0054] Among them, the first section and the second section can be a telescopic sleeve structure. The first section can be an inner tube, and the second section can be an outer tube. The first section can slide in the second section to achieve the purpose of adjusting the length of the operating handle 1.

[0055] Specifically, there is a through hole at the socket end of the second section. The through hole penetrates the second section along the radial direction of the second section for inserting a screw, the buckle 2 or a pin to lock the first section after the first section is adjusted to the appropriate position.

[0056] In addition, the operating handle 1 can also be arranged in the following ways:

[0057] As shown in Figure 2 the operating handle 1 includes a first section and a second section. The first section is rotatably connected to the second section, so that the operating handle 1 can be unfolded or folded.

[0058] Among them, a rotating connector is provided between the first section and the second section. The rotating connector can be a rotating shaft. The first section and the second section are rotatably connected through the rotating shaft, so that the operating handle 1 can be unfolded or folded to change its length.

[0059] Specifically, the working states of the operating handle 1 include a first state and a second state. When the operating handle 1 is in the first state for work, refer to Figure 2 as shown, the operating handle 1 is unfolded; when the operating handle 1 is in the second state for work, the operating handle 1 is folded.

[0060] It can be understood that the switching of the operating handle 1 between the first state and the second state can be achieved by rotating the rotating shaft.

[0061] Furthermore, the operating handle 1 can also be set in the following ways:

[0062] Refer to Figure 3 as shown, the operating handle 1 includes a plurality of detachable segments.

[0063] Among them, the plurality of segments can be spliced by means of threaded connection, snap connection 2, etc. In this embodiment, the plurality of segments are spliced by means of snap connection 2.

[0064] Specifically, one end of the segment can be set as a male port, and the other end can be set as a female port. The male port of one segment is embedded into the female port of another long rod, and multiple segments are assembled in sequence through the cooperation of the male and female ports.

[0065] In some possible implementation embodiments provided by the present application, the adjusting wrench for the gas regulating valve further includes a wrench head 3, and the second end of the operating handle 1 is connected to the wrench head 3.

[0066] Among them, the adjusting mechanism of the gas regulating valve further includes a protective cover for preventing dust, impurities, etc. from entering the inside of the adjusting mechanism and affecting its normal operation and accuracy.

[0067] Specifically, the second end of the operating handle 1 is provided with a wrench head 3, and the wrench head 3 can be used to rotate the protective cover to remove the protective cover before rotating the adjusting screw. In this embodiment, by providing the wrench head 3, the function of the adjusting wrench for the gas regulating valve can be enriched, and the adjustment work of the gas regulating valve can be completed by using one tool.

[0068] Among them, the second end of the operating wrench can be the end of the operating wrench far from the snap connection 2.

[0069] Specifically, when the operating wrench adjusts its length by unfolding or folding, the length of the part connected to the wrench head 3 should be less than the length of the part connected to the snap connection 2.

[0070] In the above embodiments, the wrench head 3 has a semi-closed opening, and the edge of the semi-closed opening is linear.

[0071] Among them, the wrench head 3 has a semi-closed opening, which can adapt to protection caps of different sizes and achieve quick socketing of the protection caps.

[0072] Among them, the edge of the semi-closed opening is linear, which can better contact the protection cap, increase the contact area, so as to provide more stable force transmission when turning the protection cap and reduce the possibility of slipping.

[0073] In the embodiment of the present application, the adjusting wrench for the gas regulating valve provided can drive the adjusting screw to rotate when the operating handle 1 moves along the circumferential direction of the adjusting screw by setting that the clamping strip top fastener 21 can be embedded in the card slot of the adjusting screw, providing a suitable way of holding and applying force, making the applied torque more effective and stable. Compared with the way of turning the adjusting screw with a flat-head screwdriver, the adjusting wrench for the gas regulating valve can better cope with the resistance encountered when turning the adjusting screw. Especially when the position of the adjusting screw is relatively cramped or difficult to reach, the operation can be made easier; at the same time, at least two clamping strip top fasteners 21 are provided, which can disperse the force more evenly, reduce the risk of slipping, and thus can reduce accidents during the operation.

[0074] It is easy for those skilled in the art to understand that, on the premise of no conflict, the above advantageous ways can be freely combined and superimposed.

[0075] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. The above is only the preferred implementation manner of the present application. It should be noted that for those of ordinary skill in the art in the technical field of the present application, several improvements and modifications can be made without departing from the technical principle of the present application, and these improvements and modifications should also be regarded as the protection scope of the present application.

Claims

1. A regulating wrench for a gas regulating valve, characterized in that: The gas regulating valve regulating wrench is used for rotating an adjusting screw to change the position of a valve core. The gas regulating valve regulating wrench comprises an operating handle (1) and a buckle (2). The first end of the operating handle (1) is connected to the buckle (2). The buckle (2) is arranged on a side of the operating handle (1) close to the adjusting screw. The buckle (2) comprises at least two clamping strip top fasteners (21). The at least two clamping strip top fasteners (21) are arranged opposite to each other and are used to be embedded in a clamping groove of the adjusting screw.

2. The adjusting wrench for the gas regulating valve according to claim 1, characterized in that: The buckle (2) also includes a lever force transmission member (22), the lever force transmission member (22) includes a bottom arm (221) and at least two parallel straight arms (222), the middle position of the bottom arm (221) is connected to the operating handle (1), at least two parallel straight arms (222) are arranged perpendicular to the bottom arm (221), and are respectively connected to the two ends of the bottom arm (221), at least two of the clip top buckles (21) are arranged parallel to the bottom arm (221), and are respectively connected to the at least two parallel straight arms (222).

3. The adjusting wrench for the gas regulating valve according to claim 2, characterized in that: The widths of the bottom arm (221) and the straight arm (222) are greater than the width of the clip top fastener (21).

4. The adjusting wrench for the gas regulating valve according to claim 2, characterized in that: The buckle (2) is made in one piece.

5. The adjusting wrench for the gas regulating valve according to claim 1, characterized in that: The length of the operating handle (1) is adjustable.

6. The adjusting wrench for the gas regulating valve according to claim 5, characterized in that: The operating handle (1) comprises a first section and a second section, wherein the first section is suitable for sliding along the second section and is fixed by a fastening screw.

7. The adjusting wrench for the gas regulating valve according to claim 5, characterized in that: The operating handle (1) comprises a first section and a second section, and the first section is rotatably connected to the second section, so that the operating handle (1) can be unfolded or folded.

8. The adjusting wrench for the gas regulating valve according to claim 5, characterized in that: The operating handle (1) comprises a plurality of detachable segments.

9. The adjusting wrench for a gas regulating valve according to claim 1, characterized in that: The regulating wrench for the gas regulating valve further comprises a wrench head (3), and the second end of the operating handle (1) is connected to the wrench head (3).

10. The adjusting wrench for the gas regulating valve according to claim 9, characterized in that: The wrench head (3) has a semi-enclosed opening, and the edge of the semi-enclosed opening is in a straight line shape.

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