Combined fastener
By designing a combined fastener that includes components such as connecting plates, fastening rods, threads, positioning members, and tensile springs, the problems of loose threaded connections and failure in high temperature, high pressure or vibration environments are solved, and higher tightening strength and stability are achieved.
Patent Information
- Application Number
- CN202420215589.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-30
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-01-30
AI Technical Summary
Combined fasteners are prone to loosening in threaded connections, especially in high temperature, high pressure or vibration environments, and require regular inspection and tightening.
A combined fastener is designed, including connecting plates, fastening rods, threads, positioning members, tensile springs, spring fixing parts, base plates, rubber anti-compression blocks and other components. Through the connection and coordination of multiple components, higher tightening strength and precise positioning are achieved.
It improves the stability and reliability of the fastening connection, reduces the possibility of loosening, can maintain effective connection under high temperature, high pressure or vibration environments, and extends service life.
Smart Images
Figure CN222863790U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of combined fasteners, in particular to a combined fastener. Background Art
[0002] A combined fastener is a new type of fastener that combines two or more types of fasteners. This type of fastener combines the characteristics of different fasteners and has the characteristics of firm connection, easy installation and disassembly, and strong adaptability. Combined fasteners can be widely used in various fields, such as construction, automobiles, aviation, ships, mechanical equipment, electronics and other industries. However, threaded connections are prone to loosening and need to be regularly inspected and tightened, otherwise the connection may fail. In addition, threaded connections are prone to failure under high temperature, high pressure or vibration environments. Therefore, those skilled in the art provide a combined fastener to solve the problems raised in the above background technology. Summary of the invention
[0003] The purpose of the utility model is to provide a combined fastener to solve the problems raised in the above background technology.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A combined fastener comprises a connecting plate, a first reserved mounting hole, a second reserved mounting hole, a fastening rod, a thread, a positioning piece, a tension spring, a spring fixing piece, a bottom plate, a rubber anti-pressure block, a third reserved mounting hole, an upper tightening fixing slot, a lower tightening fixing slot, a fixing sheet, and a tightening and twisting cover, wherein a plurality of first reserved mounting holes are respectively penetrated on the left and right sides of the top end of the connecting plate, a second reserved mounting hole is provided at the middle penetration point of the left and right sides of the top end of the connecting plate, a fastening rod is provided on the inner side surface of the second reserved mounting hole, a thread is provided on the middle outer side surface of the fastening rod, a positioning piece is provided at the middle connection of the top end of the fastening rod, and a fixing piece is provided. A tension spring is provided at the connection of the outer surface of the bottom end of the positioning piece, and a spring fixing piece is provided at the connection of the other end of the tension spring. A bottom plate is provided on the outer surface of the lower end of the fastening rod, and a third reserved mounting hole is penetrated through the left and right sides of the top of the bottom plate respectively. A rubber anti-pressure block is provided at the connection of the left front side and the right rear side of the top of the bottom plate respectively. An upper tightening and fixing groove is longitudinally chiseled in the middle of the bottom end of the connecting plate, and a lower tightening and fixing groove is longitudinally chiseled in the middle of the top end of the bottom plate. A fixing sheet is provided at the joint between the outer surface of the thread and the bottom end surface of the bottom plate, and a tightening and screwing cover is provided at the middle connection of the bottom end of the fastening rod.
[0006] Preferably, a third reserved mounting hole is provided on each of the left and right sides of the top of the base plate, a rubber anti-compression block is provided at the connection between the left front side and the right rear side of the top of the base plate, an upper tightening positioning groove is longitudinally chiseled in the middle of the bottom end of the connecting plate, and a lower tightening positioning groove is longitudinally chiseled in the middle of the top of the base plate.
[0007] Compared with the prior art, the beneficial effects of the utility model are:
[0008] 1. The connecting plate is an important component of the combined fastener. It is used to connect two or more parts that need to be fastened. The connecting plate is usually made of high-strength material and has a certain degree of rigidity and toughness, which can ensure the stability and reliability of the fastened connection. The first reserved mounting hole and the second reserved mounting hole are respectively set on the two parts that need to be fastened. They serve as fixed positions for the fastening rod and the positioning piece to achieve accurate positioning and fastening during the installation process. The fastening rod is the core component to achieve the fastening function. It is connected to the connecting plate through threads, and the fastening pressure is achieved by the cooperation of the tension spring and the spring fixing piece. The fastening rod is usually made of high-strength and high-toughness materials with good fatigue resistance and corrosion resistance. The thread is a spiral structure on the fastening rod, which is used to cooperate with the threaded hole of the connecting plate to achieve the fixation and positioning of the fastening rod. The thread can be divided into external thread and internal thread. According to actual needs Choose the right type. The positioning piece is used to ensure the accuracy of the position of the fastening rod, tension spring and spring fixing piece during the installation process. It can be divided into internal positioning piece and external positioning piece, which are used in different installation scenarios respectively. The tension spring and spring fixing piece are the key components to achieve the fastening pressure. The tension spring stretches the fastening rod through elastic force, thereby generating pressure between the fastening rod and the connecting plate to achieve the fastening function. The spring fixing piece is used to fix the position of the tension spring to ensure that its elastic force can act evenly on the fastening rod. Through the connection and coordination of multiple components, the combined fastener can provide higher fastening strength to meet the needs of different application scenarios. Through the coordination of reserved installation holes, positioning pieces and other components, the combined fastener can achieve precise positioning to ensure the accuracy of the installation process. The combined fastener can realize simple installation and disassembly process through the connection and coordination of multiple components, thereby improving work efficiency.
[0009] 2. The bottom plate is the base of the combined fastener, which is used to connect and fix other components. The bottom plate is usually made of high-strength and high-toughness materials, such as steel plates, aluminum alloys, etc. It has a certain degree of rigidity and toughness, which can ensure the stability and reliability of the fastening connection. The rubber anti-compression block is a component with elasticity and compression resistance. It is set between the bottom plate and the fastening rod. Its main function is to buffer pressure and absorb vibration, thereby improving the comfort and stability of the fastening connection. The third reserved mounting hole is a mounting hole set on the left and right sides of the top of the bottom plate, which is used to fix the fastening rod. The third reserved mounting hole can improve the installation accuracy and fastening effect. Secondly, the upper fastening positioning groove and the lower fastening positioning groove are grooves set on the bottom end of the connecting plate and the top end of the bottom plate, respectively, which are used to improve the fixation of parts. Through the upper and lower fixings The cooperation of the positioning groove can realize the precise positioning of the parts, so as to facilitate installation and disassembly. The fixing plate is a component arranged at the joint between the outer surface of the thread and the bottom end surface of the base plate, and is used to fix the tension spring and the spring fixing part. Through the action of the fixing plate, the accuracy of the tension spring and the spring fixing part can be maintained during the installation process, thereby improving the effect of the tightening pressure. The tightening screw cover is an important component of the combined fastener, which is installed at the bottom end of the fastening rod and the bottom end surface of the base plate, and the tension spring and the spring fixing part are fixed through the cooperation of the fixing plate. The tightening screw cover can be rotated to adjust the tightening pressure. Through the connection and cooperation of the base plate, the tightening screw cover and other components, the combined fastener can improve the stability and reliability of the fastening connection, and ensure the safety and durability of the connecting parts. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 The figure is a schematic diagram of the structure of a combined fastener.
[0011] Figure 2 The invention is a schematic diagram of the structure of a combined fastener when the fastener is tightened.
[0012] Figure 3 The figure is a schematic diagram of the structure of a connecting plate in a combined fastener.
[0013] Figure 4 The figure is a schematic diagram of the structure of a threaded rod in a combined fastener.
[0014] Figure 5 It is a schematic diagram of the structure of a threaded rod in a combined fastener when it is compressed.
[0015] In the figure: 1-connecting plate, 2-first reserved mounting hole, 3-second reserved mounting hole, 4-fastening rod, 5-thread, 6-positioning piece, 7-tension spring, 8-spring fixing piece, 9-bottom plate, 10-rubber anti-pressure block, 11-third reserved mounting hole, 12-upper tightening fixing slot, 13-lower tightening fixing slot, 14-fixing sheet, 15-tightening and twisting cover. DETAILED DESCRIPTION
[0016] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with the specific implementation methods. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the 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 therefore cannot be understood as a limitation of the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be a connection between the two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0017] See also Figures 1 to 5 In the embodiment of the utility model, a combined fastener includes a connecting plate 1, a first reserved mounting hole 2, a second reserved mounting hole 3, a fastening rod 4, a thread 5, a positioning member 6, a tension spring 7, a spring fixing member 8, a bottom plate 9, a rubber anti-pressure block 10, a third reserved mounting hole 11, an upper tightening fixing groove 12, a lower tightening fixing groove 13, a fixing sheet 14, and a tightening and twisting cover 15. A plurality of first reserved mounting holes 2 are respectively penetrated on the left and right sides of the top of the connecting plate 1, and a second reserved mounting hole 3 is provided at the middle penetration point on the left and right sides of the top of the connecting plate 1. A fastening rod 4 is provided on the inner surface of the second reserved mounting hole 3, and a thread 5 is provided on the middle outer surface of the fastening rod 4. The middle connection of the top of the fastening rod 4 A positioning piece 6 is provided, and a tension spring 7 is provided at the connection of the outer surface of the bottom end of the positioning piece 6, and a spring fixing piece 8 is provided at the connection of the other end of the tension spring 7. A bottom plate 9 is provided on the outer surface of the lower end of the fastening rod 4, and a third reserved mounting hole 11 is respectively penetrated on the left and right sides of the top of the bottom plate 9, and a rubber anti-pressure block 10 is respectively provided at the connection of the left front side and the right rear side of the top of the bottom plate 9. An upper tightening fixing groove 12 is longitudinally chiseled in the middle of the bottom end of the connecting plate 1, and a lower tightening fixing groove 13 is longitudinally chiseled in the middle of the top end of the bottom plate 9. A fixing sheet 14 is provided at the joint between the outer surface of the thread 5 and the bottom end surface of the bottom plate 9, and a tightening screwing cover 15 is provided at the middle connection of the bottom end of the fastening rod 4.
[0018] The working principle of the utility model is as follows: when the utility model is used, first, the connecting plate 1 is connected to the parts to be fastened through the first reserved mounting hole 2, and the positioning is performed by the positioning pin to prevent the fastener from falling off, and the second part to be fastened is placed on the upper tightening and fixing groove 12 and the lower tightening and fixing groove 13 are positioning grooves respectively arranged on the bottom end of the connecting plate 1 and the top end of the bottom plate 9, which are used to improve the fixation of the parts. Through the cooperation of the upper and lower fixing grooves, the parts can be accurately positioned, thereby facilitating subsequent installation and disassembly. After the parts are engaged and fixed, the operator tightens the screwing cover 15. The tightening and screwing cover 15 is an important component of the combined fastener, which is installed at the bottom end of the tightening rod 4 and the bottom end surface of the bottom plate 9, and the tension spring 7 and the spring fixing member 8 are fixed by the cooperation of the fixing sheet 14. Therefore, the tightening screwing cover 15 can be used to tighten the screwing cover 15. The movable cover 15 rotates to adjust the tightening pressure; when the bottom plate 9 gathers upward, the bottom plate 9 generates pressure on the tension spring 7, causing it to contract and realize the tightening function. The spring fixing part 8 is used to fix the position of the tension spring 7 to ensure that its elastic force can act evenly on the tightening rod 4. The tightening rod 4 is usually made of high-strength and high-toughness materials with good fatigue resistance and corrosion resistance. The thread 5 is a spiral structure on the tightening rod 4, which is used to cooperate with the second reserved mounting hole 3 of the connecting plate 1 to achieve the fixation and positioning of the tightening rod 4. The thread 5 can be divided into external threads and internal threads. The appropriate type can be selected according to actual needs. The positioning part 6 is used to ensure the accuracy of the position of the tightening rod 4, the tension spring 7 and the spring fixing part 8 during the installation process. Through the connection and cooperation of multiple components, the combined fastener can provide higher tightening strength to meet the needs of different application scenarios.
[0019] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0020] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A combined fastener, comprising a connecting plate (1), a fastening rod (4) and a base plate (9), characterized in that: A plurality of first reserved mounting holes (2) are respectively provided on the left and right sides of the top of the connecting plate (1); a second reserved mounting hole (3) is provided at the middle of the left and right sides of the top of the connecting plate (1); a fastening rod (4) is provided on the inner surface of the second reserved mounting hole (3); a thread (5) is provided on the middle outer surface of the fastening rod (4); a positioning piece (6) is provided at the middle connection of the top of the fastening rod (4); a tension spring (7) is provided at the connection of the outer surface of the bottom end of the positioning piece (6); and a spring fixing piece (8) is provided at the connection of the other end of the tension spring (7).
2. A combined fastener according to claim 1, characterized in that: A bottom plate (9) is provided on the outer side surface of the lower end of the fastening rod (4).
3. A combined fastener according to claim 2, characterized in that: A third reserved mounting hole (11) is provided through each of the left and right sides of the top end of the bottom plate (9).
4. A combined fastener according to claim 2, characterized in that: A rubber anti-pressure block (10) is provided at the connection points of the left front side and the right rear side of the top end of the bottom plate (9).
5. A combined fastener according to claim 1, characterized in that: A tightening and fixing groove (12) is longitudinally cut in the middle of the bottom end of the connecting plate (1).
6. A combined fastener according to claim 2, characterized in that: A lower tightening positioning groove (13) is longitudinally cut in the middle of the top end of the bottom plate (9).
7. A combined fastener according to claim 2, characterized in that: A fixing plate (14) is provided at a position where the outer surface of the thread (5) is in contact with the bottom end surface of the bottom plate (9).
8. A combined fastener according to claim 1, characterized in that: A tightening and twisting cover (15) is provided at the middle connection of the bottom end of the tightening rod (4).