Riveting-free detachable fastener with adjustable height

Abstract

The utility model discloses a press-riveting-free detachable height-adjustable fastener which comprises a quick release mechanism, the quick release mechanism comprises a hardware plate, a quick release nut is arranged at the top of the hardware plate, a fixing block is fixedly connected to the surface of the quick release nut, a positioning column is fixedly connected to one side of the fixing block, and the positioning column is fixedly connected to the other side of the fixing block. And a first countersunk head quick-release screw, a second countersunk head quick-release screw and a third countersunk head quick-release screw are sequentially arranged at the bottom of the hardware plate from left to right. According to the rivet-pressing-free detachable fastener capable of adjusting the height, through the arrangement of the quick release mechanism, during assembly, a quick release nut and a hardware plate are assembled together firstly, and a positioning column on the quick release nut is aligned with a positioning hole in the hardware plate according to needs; then the quick-release nut is connected with the first countersunk quick-release screw, the second countersunk quick-release screw or the third countersunk quick-release screw through a screwdriver or an electric screwdriver, a squeeze riveter is not needed, and when the height needs to be adjusted, the quick-release nut can be easily detached and replaced through the screwdriver as well.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to a fastener that is detachable and height-adjustable without pressure riveting. Background Art

[0002] Fasteners are a type of mechanical parts used to connect and fix parts. They are widely used in various equipment and structures. They are usually standardized, serialized and universal. They come in a wide variety of varieties and specifications with different performance and uses. Fasteners are used in many industries such as energy, electronics, machinery, and chemicals. They are commonly found in vehicles, ships, railways, bridges, construction and other fields.

[0003] According to patent document: CN220505534U, a self-clinching fastener is disclosed, comprising a self-clinching bolt body, the surface of the self-clinching bolt body is threadedly connected to a nut body, the inner cavity of the nut body is provided with an internal thread, the top of the nut body is provided with a limiting groove, both sides of the inner cavity of the limiting groove are provided with a clamping groove, the surface of the self-clinching bolt body is sleeved with a first connecting ring, the inner cavity of the limiting groove is movably connected to a second connecting ring, the top of the second connecting ring is fixedly connected to a first wedge-shaped piece, both sides of the second connecting ring are fixedly connected to a clamping block, the surfaces of the two clamping blocks are movably connected to the inner cavity of the clamping groove, the front and rear sides of the inner cavities of the two clamping grooves are provided with semicircular grooves, and the surfaces of the two semicircular grooves correspond to the clamping blocks. By setting the self-clinching bolt body, the nut body, the internal thread, the limiting groove, the clamping groove and the first connecting ring for use together, the problem that the existing fasteners are prone to loosening and instability after long-term use is solved.

[0004] At present, in the daily use of traditional fasteners, pressure riveted fasteners require molds and punches or nailing machines to complete the riveting. After riveting, burrs, rivet marks or whitening of the surface are likely to occur. Human operating errors may cause the risk of damaging the sheet metal parts. After riveting, they cannot be quickly disassembled and replaced. Utility Model Content

[0005] The purpose of the present utility model is to provide a detachable and height-adjustable fastener that does not require press-riveting, so as to solve the problem of the current traditional fasteners proposed in the above-mentioned background technology. In daily use, press-riveted fasteners require molds and punches or nailing machines to complete the riveting. After riveting, burrs and external press-riveting marks or whitening of the surface are easily generated. There is a risk of damaging sheet metal parts due to human operating errors, and the problem of being unable to be quickly disassembled and replaced after riveting.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a pressure-free, detachable, and height-adjustable fastener, comprising a quick-release mechanism, the quick-release mechanism comprising a metal plate, a quick-release nut being provided on the top of the metal plate, a fixed block being fixedly connected to the surface of the quick-release nut, a positioning column being fixedly connected to one side of the fixed block, a first countersunk quick-release screw, a second countersunk quick-release screw, and a third countersunk quick-release screw being provided on the bottom of the metal plate from left to right, and grooves being provided on the bottoms of the first countersunk quick-release screw, the second countersunk quick-release screw, and the third countersunk quick-release screw.

[0007] Preferably, a limiting mechanism is provided on one side of the hardware plate, and the limiting mechanism includes an elastic telescopic rod, the bottom of the elastic telescopic rod is fixedly connected to an adjusting rod, one side of the adjusting rod is fixedly connected to a pin, and the other side of the adjusting rod is fixedly connected to a fixing rod.

[0008] Preferably, a socket is provided on one side of the metal plate, and a limiting groove is provided on the bottom of the metal plate.

[0009] Preferably, a positioning hole is provided on the top of the hardware plate and outside the insertion hole, and the positioning hole is adapted to the positioning column.

[0010] Preferably, a movable groove is provided on the other side of the hardware plate, and the inner cavity of the movable groove is movably connected to the elastic telescopic rod through a bearing.

[0011] Preferably, a limiting hole is provided at the bottom of the hardware plate and outside the limiting groove, and the limiting hole is adapted to fit the latch.

[0012] Preferably, the surfaces of the first countersunk quick-release screw, the second countersunk quick-release screw and the third countersunk quick-release screw are all plated with a titanium-zirconium-molybdenum alloy layer, and the surface of the quick-release nut is plated with a tungsten-titanium alloy layer.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. By setting up the quick-release mechanism, when assembling, first assemble the quick-release nut and the hardware plate together. Note that the positioning column on the quick-release nut needs to be aligned with the positioning hole on the hardware plate. Then use a screwdriver or electric screwdriver to connect the quick-release nut with the first countersunk quick-release screw, the second countersunk quick-release screw or the third countersunk quick-release screw to complete the connection work. No riveting machine is needed. When the height needs to be adjusted, it can be easily disassembled and replaced using a screwdriver.

[0015] 2. By setting a limiting mechanism, after completing the connection, the adjusting rod is rotated, and the adjusting rod drives the pin to rotate. After the pin corresponds to the limiting hole, a certain limiting effect can be exerted on the first countersunk quick-release screw, the second countersunk quick-release screw or the third countersunk quick-release screw, so that the first countersunk quick-release screw, the second countersunk quick-release screw or the third countersunk quick-release screw is not easy to loosen, making the connection stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the explosion structure of the utility model in the first perspective state;

[0017] Figure 2 This is a schematic diagram of the explosion structure of the utility model in the second viewing angle state;

[0018] Figure 3 This is a schematic diagram of a partial three-dimensional structure of the limiting mechanism of the present utility model;

[0019] Figure 4 This is a schematic diagram of a partial three-dimensional structure of the quick-release mechanism of the present utility model;

[0020] Figure 5 This is an enlarged structural diagram of point A of the present invention.

[0021] In the figure: 1. quick-release mechanism; 101. hardware plate; 102. socket; 103. limiting groove; 104. quick-release nut; 105. fixing block; 106. positioning column; 107. first countersunk quick-release screw; 108. second countersunk quick-release screw; 109. third countersunk quick-release screw; 110. groove; 111. positioning hole; 2. limiting mechanism; 201. movable groove; 202. bearing; 203. elastic telescopic rod; 204. adjusting rod; 205. latch; 206. limiting hole; 207. fixing rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1 、 Figure 2 、 Figure 4 and Figure 5The utility model provides a technical solution: a detachable and height-adjustable fastener without pressure riveting, including a quick-release mechanism 1, the quick-release mechanism 1 includes a metal plate 101, a quick-release nut 104 is provided on the top of the metal plate 101, a fixed block 105 is fixedly connected to the surface of the quick-release nut 104, a positioning column 106 is fixedly connected to one side of the fixed block 105, and a first countersunk quick-release screw 107, a second countersunk quick-release screw 108 and a third countersunk quick-release screw 109 are provided on the bottom of the metal plate 101 from left to right. The bottoms of the screw 107, the second countersunk quick-release screw 108 and the third countersunk quick-release screw 109 are all provided with a groove 110. By setting the quick-release mechanism 1, when assembling, first assemble the quick-release nut 104 with the hardware plate 101. Note that the positioning column 106 on the quick-release nut 104 needs to be aligned with the positioning hole 111 on the hardware plate 101. Then use a screwdriver or an electric screwdriver to connect the quick-release nut 104 with the first countersunk quick-release screw 107, the second countersunk quick-release screw 108 or the third countersunk quick-release screw 109 to complete the assembly. The connection work is completed without the help of a riveting machine. When the height needs to be adjusted, it can be easily disassembled and replaced with a screwdriver; a socket 102 is provided on one side of the hardware plate 101, and a limiting groove 103 is provided on the bottom of the hardware plate 101. By providing the socket 102 and the limiting groove 103, it is convenient to plug in the first countersunk quick-release screw 107, the second countersunk quick-release screw 108 and the third countersunk quick-release screw 109, thereby facilitating the connection work; a positioning hole 111 is provided on the top of the hardware plate 101 and on the outside of the socket 102, The positioning hole 111 is adapted to the positioning column 106. By setting the positioning hole 111, it is convenient to plug into the positioning column 106, so that the quick-release nut 104 cannot rotate on its own; the surfaces of the first countersunk quick-release screw 107, the second countersunk quick-release screw 108 and the third countersunk quick-release screw 109 are all plated with a titanium-zirconium-molybdenum alloy layer, and the surface of the quick-release nut 104 is plated with a tungsten-titanium alloy coating. By setting the titanium-zirconium-molybdenum alloy layer, it has high strength, high temperature resistance and corrosion resistance. By setting the tungsten-titanium alloy coating, it has corrosion resistance, oxidation resistance and high temperature resistance.

[0024] See also Figure 2 、 Figure 3 and Figure 5A limiting mechanism 2 is provided on one side of the hardware plate 101. The limiting mechanism 2 includes an elastic telescopic rod 203. The bottom of the elastic telescopic rod 203 is fixedly connected to an adjusting rod 204. One side of the adjusting rod 204 is fixedly connected to a latch 205. The other side of the adjusting rod 204 is fixedly connected to a fixing rod 207. By setting the limiting mechanism 2, after the connection is completed, the adjusting rod 204 is rotated, and the adjusting rod 204 drives the latch 205 to rotate. After the latch 205 corresponds to the limiting hole 206, the fixing rod 207 can be plugged into the groove 110, thereby having a certain limiting effect on the first countersunk quick-release screw 107, the second countersunk quick-release screw 108 or the third countersunk quick-release screw 109. , making the first countersunk quick-release screw 107, the second countersunk quick-release screw 108 or the third countersunk quick-release screw 109 not easy to loosen, making the connection stable; a movable groove 201 is provided on the other side of the hardware plate 101, and the inner cavity of the movable groove 201 is movably connected to the elastic telescopic rod 203 through a bearing 202. By providing the bearing 202, the work of the elastic telescopic rod 203 is stabilized, and the rotation of the elastic telescopic rod 203 is facilitated; a limiting hole 206 is provided at the bottom of the hardware plate 101 and on the outside of the limiting groove 103, and the limiting hole 206 is adapted to the latch 205. By providing the limiting hole 206, it is convenient to plug into the latch 205, thereby making the adjustment rod 204 work stably.

[0025] Working principle: By setting up the quick-release mechanism 1, when assembling, first assemble the quick-release nut 104 and the hardware plate 101 together, and pay attention to the need to align the positioning column 106 on the quick-release nut 104 with the positioning hole 111 on the hardware plate 101, and then use a screwdriver or an electric screwdriver to connect the quick-release nut 104 with the first countersunk quick-release screw 107, the second countersunk quick-release screw 108 or the third countersunk quick-release screw 109 to complete the connection work. No need to use a riveting machine. When the height needs to be adjusted, it can be easily disassembled and replaced with a screwdriver;

[0026] By setting the limiting mechanism 2, after the connection is completed, the adjusting rod 204 is rotated, and the adjusting rod 204 drives the pin 205 to rotate. After the pin 205 corresponds to the limiting hole 206, the fixing rod 207 can be plugged into the groove 110, thereby having a certain limiting effect on the first countersunk quick-release screw 107, the second countersunk quick-release screw 108 or the third countersunk quick-release screw 109, so that the first countersunk quick-release screw 107, the second countersunk quick-release screw 108 or the third countersunk quick-release screw 109 is not easy to loosen, making the connection stable.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure-free, detachable, height-adjustable fastener comprising a quick-release mechanism (1), characterized in that: The quick-release mechanism (1) comprises a metal plate (101), a quick-release nut (104) is provided on the top of the metal plate (101), a fixed block (105) is fixedly connected to the surface of the quick-release nut (104), a positioning column (106) is fixedly connected to one side of the fixed block (105), and a first countersunk quick-release screw (107), a second countersunk quick-release screw (108) and a third countersunk quick-release screw (109) are provided on the bottom of the metal plate (101) from left to right, and a groove (110) is provided at the bottom of each of the first countersunk quick-release screw (107), the second countersunk quick-release screw (108) and the third countersunk quick-release screw (109).

2. The pressure-free detachable and height-adjustable fastener according to claim 1, characterized in that: A limiting mechanism (2) is provided on one side of the hardware plate (101), and the limiting mechanism (2) comprises an elastic telescopic rod (203), the bottom of the elastic telescopic rod (203) is fixedly connected to an adjusting rod (204), one side of the adjusting rod (204) is fixedly connected to a latch (205), and the other side of the adjusting rod (204) is fixedly connected to a fixing rod (207).

3. The pressure-free detachable and height-adjustable fastener according to claim 1, characterized in that: A socket (102) is provided on one side of the hardware plate (101), and a limiting groove (103) is provided on the bottom of the hardware plate (101).

4. The pressure-free detachable and height-adjustable fastener according to claim 1, characterized in that: A positioning hole (111) is provided on the top of the hardware plate (101) and outside the insertion hole (102), and the positioning hole (111) is adapted to the positioning column (106).

5. The pressure-free detachable and height-adjustable fastener according to claim 1, characterized in that: A movable groove (201) is provided on the other side of the metal plate (101), and the inner cavity of the movable groove (201) is movably connected to the elastic telescopic rod (203) via a bearing (202).

6. The pressure-free detachable and height-adjustable fastener according to claim 1, characterized in that: A limiting hole (206) is provided at the bottom of the hardware plate (101) and outside the limiting groove (103), and the limiting hole (206) is adapted to the latch (205).

7. The pressure-free detachable and height-adjustable fastener according to claim 1, characterized in that: The surfaces of the first countersunk quick-release screw (107), the second countersunk quick-release screw (108) and the third countersunk quick-release screw (109) are all plated with a titanium-zirconium-molybdenum alloy layer, and the surface of the quick-release nut (104) is plated with a tungsten-titanium alloy layer.

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