A wing nut fastening joint

Abstract

The utility model discloses a kind of butterfly nut fastening joints, including main disc body, the middle part of main disc body is penetrated along its axial torque wrench's output end joint plug-in and the circumferential linkage adaptation torque hole, the axis of torque hole is collinear with the axis of main disc body, one disc surface of main disc body is locating surface, another disc surface is the supporting surface of torque wrench alignment cooperation;Positioning component is protrudingly arranged on locating surface, and positioning component includes two locating boss arranged symmetrically along the radial direction of main disc body, the middle part of locating boss is recessed along the axial direction of main disc body and is provided with the locating groove for the butterfly plate of butterfly nut insertion and clamping adaptation, and locating groove extends along the radial direction of main disc body and is arranged in alignment.The butterfly nut fastening joint can optimize the fastening operation mode of butterfly nut, so that the fastening treatment of butterfly nut is more accurate and controllable, so that the corresponding fastening structure is more stable and reliable.

Description

Technical Field

[0001] This utility model relates to the technical field of butterfly nut fastening and installation accessories, and in particular to a butterfly nut fastening connector. Background Technology

[0002] In the daily operations of some industrial and mining enterprises and production units, various nuts and bolts are often used in combination to complete tasks such as component assembly and equipment debugging. For power plants, the manually adjustable dampers and other control devices used in their equipment systems typically rely on wing nuts for fixing and necessary fine-tuning.

[0003] Specifically, the manually adjustable air valves currently used in power plants typically rely on tightening wing nuts. The tightening is achieved through friction between the wing nut, its associated bolts, and the handle disc. However, while this conventional tightening structure and operation method meets the current adjustment requirements of air valves, long-term operation in ventilation systems with high air volume and pressure can lead to a higher risk of wing nuts loosening. Therefore, frequent tightening of the wing nuts is necessary to prevent the handle disc and other functional components from becoming loose and causing safety accidents.

[0004] Correspondingly, the industry currently typically uses manual tightening, where workers manually tighten the wing nuts. However, in practice, the tightening force of the wing nuts varies from person to person, and operators rely entirely on personal experience and intuition to tighten each wing nut. This makes it impossible to quantify the actual tightening force of each wing nut on the equipment, resulting in inconsistent tightness of the corresponding components. Consequently, the tightening accuracy of the wing nut tightening operation is low, and the tightening effect is unstable, which adversely affects the maintenance, operation efficiency, and stability of equipment such as air valves.

[0005] In view of this, how to optimize the tightening operation of wing nuts to make the tightening process more precise and controllable, so as to make the corresponding fastening structure more stable and reliable, is an important technical problem that needs to be solved by those skilled in the art. Utility Model Content

[0006] The purpose of this utility model is to provide a wing nut fastening connector that optimizes the fastening operation of wing nuts, making the fastening process of wing nuts more precise and controllable, and making the corresponding fastening structure more stable and reliable.

[0007] To solve the above-mentioned technical problems, this utility model provides a butterfly nut fastening connector, including a main disc body. The main disc body has a torque hole through its center along its axial direction for inserting and circumferentially cooperating with the output end connector of a torque wrench. The axis of the torque hole is collinear with the axis of the main disc body. One disc surface of the main disc body is a positioning surface, and the other disc surface is a support surface that aligns and cooperates with the torque wrench.

[0008] A positioning component is provided protruding on the positioning surface. The positioning component includes two positioning bosses arranged symmetrically along the radial direction of the main disc. The middle part of the positioning boss is recessed along the axial direction of the main disc and has a positioning groove for the butterfly plate of the butterfly nut to be inserted and engaged. The positioning groove extends along the radial direction of the main disc and is aligned.

[0009] Preferably, there are at least two positioning components, and each positioning boss is evenly distributed at equal intervals along the circumference of the main disk.

[0010] Preferably, the widths of any two circumferentially adjacent positioning grooves along the main disk body are not equal, and the widths of two positioning grooves in the same positioning component are equal.

[0011] Preferably, the projection of the positioning boss onto the plane where the positioning surface is located is within the area of ​​the positioning surface.

[0012] Preferably, the positioning boss is in the shape of a cuboid.

[0013] Preferably, the supporting surface is a plane extending in a direction perpendicular to the axis of the main disc.

[0014] Preferably, the outer edge of the supporting surface has a transition arc surface that extends circumferentially along the main disc and connects end to end.

[0015] Preferably, the torque hole is a square hole.

[0016] Preferably, both the main disk body and the positioning boss are made of aluminum alloy.

[0017] Preferably, the main disk body and the positioning boss are an integral structure.

[0018] Compared to the aforementioned background technology, the wing nut fastening connector provided by this utility model, during operation, when it is necessary to tighten the wing nut on equipment such as a manually adjustable air valve, the output end connector of the torque wrench is inserted into the torque hole from the support surface side, so that the output end connector of the torque wrench is reliably inserted and connected to the torque hole, ensuring that the torque hole and the output end of the torque wrench can be linked and engaged circumferentially with the main disc body. At the same time, the positioning surface is oriented towards the wing nut to be tightened, so that the two wing plates of the wing nut are respectively inserted into the two positioning slots in the same positioning component, and the inner walls of the two sides of the positioning slots are reliably abutted and moderately engaged with the side walls of the wing plates, so that the wing nut and the positioning component form a linkage engagement circumferentially with the main disc body. According to the tightening torque requirement of the wing nut to be tightened and the relevant working conditions, the working torque of the torque wrench is set, and then the operator can hold the torque wrench to perform the corresponding wing nut tightening operation. Since the wing nut fastening connector serves as a transition component between the torque wrench and the wing nut, the tightening operation of the wing nut can be carried out using the torque wrench as the operating tool. This allows for quantitative control of the tightening torque of the wing nut, thereby significantly improving the tightening control effect and tightening accuracy of the wing nut. It also makes the tightening operation more convenient and efficient, and the tightening structure after the wing nut completes the corresponding tightening operation is more reliable, and the corresponding component tightening strength is also improved accordingly.

[0019] In another preferred embodiment of this utility model, there are at least two positioning components, and each positioning boss is evenly distributed equidistantly along the circumference of the main disc. Multiple sets of positioning components are integrated on the positioning surface of the main disc, and the positioning bosses on the positioning surface are evenly distributed equidistantly along the circumference of the main disc. This allows the wing nut fastening connector to have a foolproof structure adapted to the wing nut, thereby effectively reducing the difficulty of aligning and inserting the wing nut fastening connector with the corresponding wing nut's disc plate. This makes the alignment and connection between the wing nut fastening connector and the wing nut smoother and more efficient, and the alignment accuracy and corresponding connection strength are also improved accordingly. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 An axial front view of a wing nut fastening joint provided in a specific embodiment of this utility model;

[0022] Figure 2 for Figure 1 A side perspective view.

[0023] in:

[0024] 11-Main plate body;

[0025] 111-Torque Hole;

[0026] 112 - Positioning surface;

[0027] 113 - Supporting surface;

[0028] 114 - Transition arc surface;

[0029] 12-Positioning boss;

[0030] 121 - Positioning groove. Detailed Implementation

[0031] The core of this utility model is to provide a wing nut fastening connector, which can optimize the fastening operation of wing nuts, making the fastening process of wing nuts more precise and controllable, and making the corresponding fastening structure more stable and reliable.

[0032] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] It should be noted in advance that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing" in this utility model 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 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 according to the specific circumstances.

[0034] Furthermore, in this invention, unless otherwise explicitly specified and limited, the first feature being "on" or "below" the second feature may include direct contact between the first and second features, or contact between the first and second features not being in direct contact but through another feature between them.

[0035] In addition, the terms "above," "over," and "on top" for the first feature and the second feature include the first feature being directly above or diagonally above the second feature, or simply indicating that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "under," and "beneath" for the first feature and the second feature include the first feature being directly below or diagonally below the second feature, or simply indicating that the first feature is at a lower horizontal level than the second feature. The terms "above," "below," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and 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, and therefore should not be construed as a limitation of this utility model.

[0036] In specific implementations, such as Figure 1 As shown, the wing nut fastening connector provided by this utility model includes a main disc body 11. A torque hole 111, axially extending through the center of the main disc body 11, is provided for inserting a torque wrench output end connector and for circumferential linkage adaptation. Figure 2 As shown, the axis of the torque hole 111 is collinear with the axis of the main disc body 11. One disc surface of the main disc body 11 is the positioning surface 112, and the other disc surface is the support surface 113 that aligns with the torque wrench.

[0037] A positioning component is protruding from the positioning surface 112. The positioning component includes two positioning bosses 12 symmetrically arranged radially along the main disc body 11. The center of the positioning bosses 12 is recessed along the axial direction of the main disc body 11, and a positioning groove 121 is provided for the butterfly plate of the wing nut to be inserted and engaged. The positioning groove 121 extends radially along the main disc body 11 and is aligned. That is, the length direction of the two positioning grooves 121 in the same positioning component is radial to the main disc body 11, and the extension lines of the center lines of the two positioning grooves 121 in the length direction coincide and intersect with the extension line of the axis of the main disc body 11.

[0038] In this way, it can be ensured that during the synchronous rotation of the main disc 11 driven by the torque wrench, the two positioning grooves 121 in the same positioning component have the same rotation amplitude and the torque transmission is consistent. This ensures the synchronous and equal torque tightening of the two disc plates of the corresponding wing nut, so that the wing nut can rotate smoothly and stably under the adaptation of the wing nut fastening joint to complete the corresponding fastening operation.

[0039] During specific equipment operation, when tightening wing nuts on equipment such as manually adjustable air valves, the output end connector of the torque wrench is inserted into the torque hole 111 from the support surface 113 side, ensuring a reliable connection between the output end connector and the torque hole 111. This ensures that the torque hole 111 and the output end of the torque wrench can engage circumferentially with each other along the main disc body 11. Simultaneously, the positioning surface 112 is oriented towards the wing nut to be tightened, so that the two discs of the wing nut are respectively inserted into the two positioning slots 121 of the same positioning component. The inner walls of the positioning slots 121 reliably abut and moderately engage with the side walls of the discs, creating a circumferential engagement between the wing nut and the positioning component. Based on the tightening torque requirements of the wing nut and relevant working conditions, the working torque of the torque wrench is set, and then the operator can hold the torque wrench to perform the corresponding tightening operation.

[0040] Since the wing nut fastening connector serves as a transition component between the torque wrench and the wing nut, the tightening operation of the wing nut can be carried out using the torque wrench as the operating tool. This allows for quantitative control of the tightening torque of the wing nut, thereby significantly improving the tightening control effect and tightening accuracy of the wing nut. It also makes the tightening operation more convenient and efficient, and the tightening structure after the wing nut completes the corresponding tightening operation is more reliable, and the corresponding component tightening strength is also improved accordingly.

[0041] It is easy to understand that when the wing nut fastening connector provided in this solution is used as an adapter to transmit torque between the torque wrench and the wing nut, it can not only achieve the tightening operation of the wing nut as described above, but also drive the wing nut fastening connector to rotate in the opposite direction through the torque wrench, so as to tighten the wing nut in the opposite direction, thereby realizing the loosening and disassembly of the wing nut. This further meets the application needs under different working conditions and improves the operational convenience and working condition adaptability of the wing nut fastening connector.

[0042] Please refer to this carefully. Figure 1 .

[0043] Specifically, there are at least two positioning components, and each positioning boss 12 is evenly distributed along the circumference of the main disc 11. Multiple sets of positioning components are integrated on the positioning surface 112 of the main disc 11, and the positioning bosses 12 on the positioning surface 112 are evenly distributed along the circumference of the main disc 11. This allows the wing nut fastening connector to have a foolproof structure that is compatible with the wing nut, thereby effectively reducing the difficulty of the alignment and insertion of the wing nut fastening connector and the corresponding wing nut plate. This makes the alignment and connection between the wing nut fastening connector and the wing nut smoother and more efficient, and the alignment accuracy and corresponding connection strength are also improved accordingly.

[0044] Generally, the number of positioning components can be flexibly selected and adjusted according to actual working conditions. In principle, any component can be used as long as it can adapt to the assembly space layout conditions on the positioning surface 112 and meet the corresponding requirements for wing nut tightening.

[0045] More specifically, the widths of any two adjacent positioning grooves 121 along the circumference of the main disc 11 are unequal, and the widths of two positioning grooves 121 in the same positioning component are equal. In fact, for the operational requirements of conventional equipment such as manually adjustable air valves, the most common wing nuts are M8 and M12 sizes. Therefore, for most conventional operational needs, the wing nut fastening joint in this solution only needs to ensure that two sets of positioning components are arranged on the positioning surface 112. One set of positioning components has a positioning groove 121 that matches the wing plate adaptation size of an M8 wing nut, while the other set of positioning components has a positioning groove 121 that matches the wing plate adaptation size of an M12 wing nut, thus ensuring general operational application requirements. Of course, positioning components and their positioning groove 121 structures that can match the wing plate adaptation requirements of other wing nut sizes can also be selected according to specific operational requirements. In principle, any method that can meet the actual application needs of the wing nut fastening joint is acceptable.

[0046] Furthermore, the projection of the positioning boss 12 onto the plane containing the positioning surface 112 is located within the area of ​​the positioning surface 112. This ensures that the overall structure of the positioning boss 12 does not protrude beyond the circumferential outer edge of the main disc body 11. Therefore, during the tightening of the wing nut using the wing nut fastening connector and torque wrench, the edge structure of the positioning boss 12 is effectively prevented from protruding beyond the circumferential outer edge of the main disc body 11, thus avoiding rigid contact or structural interference with surrounding components. This effectively prevents structural damage to surrounding components and the positioning boss 12 itself, thereby improving the operational safety and convenience of the wing nut fastening connector.

[0047] Please refer to this carefully. Figure 2 .

[0048] In practical applications, considering the difficulty of component processing and ease of use, the preferred shape of the positioning boss 12 is a cuboid. This cuboid structure has a lower processing difficulty and a higher material utilization rate. It can not only significantly reduce the overall processing difficulty of the wing nut fastening joint, making its component processing and forming simpler and more efficient, but also moderately reduce its overall production and processing costs.

[0049] Of course, the shape of the positioning boss 12 is not limited to the cuboid structure shown in the figure. Other plate-shaped or column-shaped parts with flat outer wall structures, such as fan-shaped plate-shaped structure or prism structure, can also be selected to match the alignment arrangement requirements and forming effect of the positioning groove 121, so as to ensure that the positioning groove 121 and the butterfly plate of the butterfly nut can be accurately aligned and inserted and reliably linked and adapted.

[0050] Please refer to this carefully. Figure 2 .

[0051] On the other hand, the supporting surface 113 is a plane extending in a direction perpendicular to the axis of the main disc 11. This planar structure can effectively avoid structural interference between the supporting surface 113 and the output end of the torque wrench due to unevenness, so as to prevent the torque wrench from becoming loose or misaligned during the tightening operation of the wing nut. This fully ensures the reliable alignment and stable torque transmission between the torque wrench and the wing nut fastening joint, thereby ensuring the tightening efficiency and stability of the corresponding wing nut, and ensuring the tightening efficiency and reliability of the fastening structure.

[0052] Based on this, the outer edge of the supporting surface 113 has a transition arc surface 114 that extends circumferentially along the main disc body 11 and connects end to end. This transition arc surface 114 can form a ring-shaped chamfer structure on the outer edge of the supporting surface 113, thereby further avoiding structural interference or rigid contact between the outer edge of the main disc body 11 and the torque wrench, thus further improving the operational safety and convenience of the wing nut fastening joint.

[0053] Please refer to this carefully. Figure 2 .

[0054] Generally, considering that the output end connector of a conventional torque wrench is usually a square block structure, the torque hole 111 in this solution is preferably a square hole so as to fully adapt to the output end connector of a conventional torque wrench, thereby meeting the equipment matching and application requirements under most working conditions, improving the ease of operation and use of the wing nut fastening connector, and optimizing its compatibility with the torque wrench.

[0055] In addition, both the main body 11 and the positioning boss 12 are made of aluminum alloy. Aluminum alloy components have high structural strength, are lightweight, corrosion-resistant, and easy to process and form, which can fully meet the working conditions of the wing nut fastening joint, improve the adaptability of the wing nut fastening joint to the working conditions of various wing nuts, and thus make the wing nut fastening joint more reliable and durable.

[0056] Accordingly, the specific stainless steel grades selected for the main disc body 11 and the positioning boss 12 can be flexibly chosen based on actual working conditions and processing costs. In principle, any material that can meet the specific application requirements of the wing nut fastening joint is acceptable.

[0057] Furthermore, the main disc 11 and the positioning boss 12 are integrated into one piece. This integrated structure helps to further improve the overall structural strength and torque resistance of the wing nut fastening joint, ensuring the high-intensity continuous use requirements in practical applications, and making the wing nut fastening joint more durable.

[0058] Generally, the main disc 11 and the positioning boss 12 can be assembled into a single structure by welding, or they can be directly processed into a single structure by casting or stamping. In practical applications, the appropriate choice can be made after comprehensively considering factors such as specific working conditions and production costs. In principle, any assembly structure between the main disc 11 and the positioning boss 12 that can guarantee the strength of the structure and meet the actual application requirements of the wing nut fastening joint is acceptable.

[0059] In summary, the wing nut fastening connector provided in this utility model includes a main disc body. A torque hole is axially inserted through the center of the main disc body for inserting and circumferentially adapting the output end connector of a torque wrench. The axis of the torque hole is collinear with the axis of the main disc body. One surface of the main disc body is a positioning surface, and the other surface is a support surface that aligns with the torque wrench. A positioning component protrudes from the positioning surface. The positioning component includes two positioning bosses symmetrically arranged radially along the main disc body. A positioning groove is recessed in the center of each positioning boss along the axial direction of the main disc body for inserting and engaging the wing plate of the wing nut. The positioning groove extends radially along the main disc body and is aligned. During the operation of the wing nut fastening connector, when tightening wing nuts on equipment such as manually adjustable air valves, the output end of the torque wrench is inserted into the torque hole from the support side, ensuring a reliable connection between the output end of the torque wrench and the torque hole. This ensures that the torque hole and the output end of the torque wrench can engage circumferentially with each other on the main disc. Simultaneously, the positioning surface faces the wing nut to be tightened, so that the two discs of the wing nut are inserted into the two positioning slots of the same positioning component, respectively. The inner walls of the positioning slots reliably abut and moderately engage with the side walls of the discs, creating a circumferential engagement between the wing nut and the positioning component. Based on the required tightening torque and relevant working conditions, the working torque of the torque wrench is set, and then the operator can hold the torque wrench to perform the corresponding tightening operation. Since the wing nut fastening connector serves as a transition component between the torque wrench and the wing nut, the tightening operation of the wing nut can be carried out using the torque wrench as the operating tool. This allows for quantitative control of the tightening torque of the wing nut, thereby significantly improving the tightening control effect and tightening accuracy of the wing nut. It also makes the tightening operation more convenient and efficient, and the tightening structure after the wing nut completes the corresponding tightening operation is more reliable, and the corresponding component tightening strength is also improved accordingly.

[0060] The wing nut fastening connector provided by this utility model has been described in detail above. Specific examples have been used to illustrate the principle and implementation of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A wing nut fastening connector, characterized in that, Includes a main disc body, the center of which has a torque hole through which the output end connector of a torque wrench is inserted and circumferentially adapted. The axis of the torque hole is collinear with the axis of the main disc body. One disc surface of the main disc body is a positioning surface, and the other disc surface is a support surface that aligns and cooperates with the torque wrench. A positioning component is provided protruding on the positioning surface. The positioning component includes two positioning bosses arranged symmetrically along the radial direction of the main disc. The middle part of the positioning boss is recessed along the axial direction of the main disc and has a positioning groove for the butterfly plate of the butterfly nut to be inserted and engaged. The positioning groove extends along the radial direction of the main disc and is aligned.

2. The wing nut fastening connector as described in claim 1, characterized in that, The positioning components are at least two, and each positioning boss is evenly distributed at equal intervals along the circumference of the main disk.

3. The wing nut fastening connector as described in claim 2, characterized in that, The widths of any two circumferentially adjacent positioning slots along the main disk body are not equal, and the widths of two positioning slots in the same positioning component are equal.

4. The wing nut fastening connector as described in claim 1, characterized in that, The projection of the positioning boss onto the plane where the positioning surface is located is within the area of ​​the positioning surface.

5. The wing nut fastening connector as described in claim 1, characterized in that, The positioning boss is rectangular in shape.

6. The wing nut fastening connector as described in claim 1, characterized in that, The supporting surface is a plane extending in a direction perpendicular to the axis of the main disc.

7. The wing nut fastening connector as described in claim 6, characterized in that, The outer edge of the supporting surface has a transition arc surface that extends circumferentially along the main disc and connects end to end.

8. The wing nut fastening connector as described in claim 1, characterized in that, The torque hole is a square hole.

9. The wing nut fastening connector as described in claim 1, characterized in that, Both the main body and the positioning boss are made of aluminum alloy.

10. The wing nut fastening joint as described in claim 9, characterized in that, The main body and the positioning boss are an integral structure.

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