Fastener structure adopting pretightening force lock washer

Abstract

The utility model relates to the technical field of fastener structures, in particular to a fastener structure adopting a pretightening force lock washer, which comprises a screw cap, a screw rod and a fastening mechanism, the fastening mechanism comprises a first gasket, a second gasket, a nut and an anti-skidding component, the first gasket and the second gasket are provided with wedge-shaped teeth, the screw rod is fixedly connected with the screw cap, and the nut is fixedly connected with the screw rod. The screw is slidably connected with the first gasket and the second gasket and penetrates through the first gasket and the second gasket, the first gasket is located between the nut and the second gasket, wedge-shaped teeth of the first gasket are detachably connected with wedge-shaped teeth of the second gasket, the nut is in threaded connection with the screw, and the anti-skid assembly is arranged between the second gasket and the nut. The two components are firmly fixed through the fastening mechanism, it is guaranteed that the two components cannot be loosened due to vibration, and the fastening effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener structure technical field especially relates to a fastener structure of pre -tightening force lock washer is adopted. BACKGROUND

[0002] The main function of fastener is to connect two or more components firmly together to ensure the stability and integrity of the structure. When the screwdriver continues to rotate in the cross slot after the bolt is tightened, it will damage the slot wall of the cross slot. When the two components need to be disassembled, the screwdriver is inserted into the cross slot, and there is no force point to cause the phenomenon of slipping, which leads to the difficulty of disassembling the bolt.

[0003] In the prior art patent application with publication number CN 220015754 U, a kind of fastener is disclosed, when connecting two components, screw rod is installed on another component by screwing through one of components, then the insertion of screwdriver is started to rotate drive head in butt joint groove and is tightened. Through rubber shell plug, screwdriver will not be in direct contact with the slot wall of driving groove, but in contact with rubber shell plug, which reduces the risk of damaging the slot wall of driving groove during tightening process;In addition, rubber shell plug can increase the friction between screwdriver and the slot wall of driving groove, so that the fastener is not easy to slip during disassembly or installation.

[0004] However, in the prior art, after fastening two components, the fastener may loosen after a long time of vibration, reducing the fastening effect. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of fastener structure of pre -tightening force lock washer is adopted, to solve the problem that fastener may loosen after fastening two components in prior art, reducing the fastening effect after a long time of vibration.

[0006] To achieve the above-mentioned purpose, the utility model provides a kind of fastener structure of pre -tightening force lock washer is adopted, including nut, screw rod and fastening mechanism, the fastening mechanism includes first gasket, second gasket, nut and anti-skid component, the first gasket and the second gasket have wedge teeth, the screw rod is fixedly connected with the nut, the screw rod is slidably connected with the first gasket and the second gasket, and penetrates the first gasket and the second gasket, and the first gasket is located between the nut and the second gasket, the wedge teeth of the first gasket and the wedge teeth of the second gasket are detachably connected, the nut is threadedly connected with the screw rod, and the anti-skid component is arranged between the second gasket and the nut.

[0007] The first gasket is provided with first anti-skid fine teeth, and the second gasket is provided with second anti-skid fine teeth.

[0008] The anti-skid assembly comprises a first clamping ring, a second clamping ring and an embedded nest.

[0009] The second clamping ring is provided with a plurality of clamping grooves, and a plurality of clamping blocks are fixedly connected with the first clamping ring and located above the first clamping ring.

[0010] The embedded nest further comprises a rubber ring which is detachably connected with the screw rod and located between the first clamping ring and the second clamping ring.

[0011] The utility model discloses a fastener structure of pre -tightening force lock washer, when fixing two components, rotate the screw rod, and pass two components, again the nut is connected with the screw rod with the thread, and two work pieces are located between the screw cap and the nut, when the operator uses spanner clamping the nut, and then uses screwdriver to rotate the screw cap and the screw rod, makes the wedge tooth of first gasket and the wedge tooth of second gasket occur embedding, and when the fastener is relaxed by vibration, the wedge tooth in reverse will prevent the fastener from relaxing, and the anti -skid assembly makes that the component and the nut do not occur relative displacement, and through above -mentioned mode, two components are firmly fixed between the nut and the screw cap, even if bearing long -time vibration, the screw rod and the nut also can not occur loosening, and further improve the fastening effect. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment or prior art of the present application, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description.

[0013] Figure 1 It is the structure schematic diagram of the fastener structure of pre -tightening force lock washer of the utility model.

[0014] Figure 2 It is the structure schematic diagram of the fastener structure of pre -tightening force lock washer of the utility model. Figure 1 It is the A place local structure of the utility model of enlargement.

[0015] Figure 3 It is the structure schematic diagram of first gasket of the utility model.

[0016] Figure 4 is another direction structure schematic view of the first gasket of the utility model.

[0017] Figure 5 is the front view of the fastener structure of the utility model adopting the pre-tightening force lock washer.

[0018] 101-nut, 102-screw rod, 103-nut, 104-first clasp, 105-clamping block, 106-rubber ring, 107-second clasp, 108-clamping groove, 109-first gasket, 110-second gasket, 111-wedge tooth, 112-first anti-skid fine tooth, 113-second anti-skid fine tooth, 114-member. DETAILED DESCRIPTION

[0019] Please refer to Figures 1 to 5 , wherein, Figure 1 is the structure schematic view of the fastener structure of the utility model adopting the pre-tightening force lock washer, Figure 2 is the Figure 1 of the utility model, Figure 3 is the structure schematic view of the first gasket of the utility model, Figure 4 is another direction structure schematic view of the first gasket of the utility model, Figure 5 is the front view of the fastener structure of the utility model adopting the pre-tightening force lock washer.

[0020] The utility model provides a kind of fastener structure adopting pre-tightening force lock washer, including nut 101, screw rod 102 and fastening mechanism, the fastening mechanism includes first gasket 109, second gasket 110, nut 103 and anti-skid component, the first gasket 109 and the second gasket 110 have wedge tooth 111, the first gasket 109 has first anti-skid fine tooth 112, the second gasket 110 has second anti-skid fine tooth 113, the anti-skid component includes first clasp 104, second clasp 107 and embedded fitting kit, the embedded fitting kit includes multiple clamping blocks 105 and rubber ring 106, the second clasp 107 has multiple clamping grooves 108, by the foregoing scheme, it is solved in the prior art, fastener after fastening two members 114, after long time vibration, possibly cause loosening, reduce the problem of fastening effect.

[0021] In the embodiment, the first gasket 109 and the second gasket 110 have wedge teeth 111, the screw rod 102 is fixedly connected with the nut 101, the screw rod 102 is slidably connected with the first gasket 109 and the second gasket 110 and penetrates through the first gasket 109 and the second gasket 110, the first gasket 109 is located between the nut 101 and the second gasket 110, the wedge teeth 111 of the first gasket 109 are detachably connected with the wedge teeth 111 of the second gasket 110, the nut 103 is threadedly connected with the screw rod 102, the anti-skid assembly is arranged between the second gasket 110 and the nut 103, when fixing two components 114, the screw rod 102 is rotated and penetrates through the two components 114, then the nut 103 is threadedly connected with the screw rod 102, the two workpieces are located between the nut 101 and the nut 103, at this time, an operator clamps the nut 103 by using a wrench and rotates the nut 101 and the screw rod 102 by using a screwdriver, so that the wedge teeth 111 of the first gasket 109 and the wedge teeth 111 of the second gasket 110 are embedded, when the fastener is loosened due to vibration, the reverse wedge teeth 111 prevent the fastener from being loosened, meanwhile, the anti-skid assembly prevents the relative displacement between the component 114 and the nut 103, through the above manner, the two components 114 are fixedly arranged between the nut 103 and the nut 101, even if long-time vibration is borne, the screw rod 102 and the nut 103 will not be loosened, thereby the fastening effect is improved.

[0022] Further, the first anti-skid fine teeth 112 are arranged above the first gasket 109 and the second anti-skid fine teeth 113 are arranged below the second gasket 110.

[0023] In the embodiment, when fixing two components 114, the screw rod 102 is rotated and penetrates through the two components 114, then the nut 103 is threadedly connected with the screw rod 102, the two workpieces are located between the nut 101 and the nut 103, at this time, an operator clamps the nut 103 by using a wrench and rotates the nut 101 and the screw rod 102 by using a screwdriver, so that the wedge teeth 111 of the first gasket 109 and the wedge teeth 111 of the second gasket 110 are embedded, meanwhile, the first anti-skid fine teeth 112 are closely attached to the nut 101 and the second anti-skid fine teeth 113 are closely attached to the component 114, thereby the relative sliding between the component 114 and the first gasket 109 and the second gasket 110 is avoided, when the fastener is loosened due to vibration, the reverse wedge teeth 111 prevent the fastener from being loosened.

[0024] Further, the first clamping ring 104 is fixedly connected with the nut 103 and located between the second gasket 110 and the nut 103, the second clamping ring 107 is arranged between the second clamping ring 107 and the second gasket 110, and the embedded assembly is arranged between the first clamping ring 104 and the second clamping ring 107.

[0025] Further, a plurality of the clamping grooves 108 are arranged below the second clamping ring 107, and a plurality of the clamping blocks 105 are fixedly connected with the first clamping ring 104 and located above the first clamping ring 104.

[0026] Further, the rubber ring 106 is detachably connected with the screw rod 102 and located between the first clamping ring 104 and the second clamping ring 107.

[0027] In the embodiment, the second clamping ring 107 is fixed below the component 114. When fixing two components 114, the screw rod 102 is rotated and passes through the two components 114, and then the nut 103 is threadedly connected with the screw rod 102. At this time, the two workpieces are located between the nut 103 and the nut 103. The operator uses a wrench to hold the nut 103 and uses a screwdriver to rotate the nut 101 and the screw rod 102, so that the wedge teeth 111 of the first gasket 109 and the wedge teeth 111 of the second gasket 110 are embedded, the first anti-skid fine teeth 112 are tightly attached to the nut 101, and the second anti-skid fine teeth 113 are tightly attached to the component 114, so as to avoid the relative sliding of the component 114 and the first gasket 109 and the second gasket 110. When the fastener is loosened due to vibration, the reverse wedge teeth 111 prevent the fastener from loosening, and a plurality of clamping blocks 105 respectively press the rubber ring 106, so that the rubber ring 106 is deformed and enters a plurality of clamping grooves 108, so that the component 114 and the nut 103 cannot be relatively displaced. Through the above-mentioned way, the two components 114 are fixedly connected between the nut 103 and the nut 101. Even if subjected to long-time vibration, the screw rod 102 and the nut 103 will not be loosened, thereby improving the fastening effect.

[0028] The above disclosure is only a preferred embodiment of the present application, which cannot limit the scope of the present application. Those skilled in the art can understand that the above-mentioned embodiment can be implemented in whole or in part, and equivalent changes can be made according to the claims of the present application, which still belongs to the scope of the present application.

Claims

1. A fastener structure with a pre-tightening force lock washer, comprising a nut and a screw rod, wherein the screw rod is fixedly connected with the nut, and characterized in that, a fastening mechanism is further included, wherein the fastening mechanism comprises a first washer, a second washer, a nut and an anti-slip assembly, the first washer and the second washer have wedge-shaped teeth, the screw rod is in sliding connection with the first washer and the second washer and penetrates through the first washer and the second washer, the first washer is located between the nut and the second washer, the wedge-shaped teeth of the first washer are detachably connected with the wedge-shaped teeth of the second washer, the nut is in threaded connection with the screw rod, and the anti-slip assembly is arranged between the second washer and the nut.

2. The fastener structure with a pre-tightening force lock washer according to claim 1, characterized in that, the first washer has first anti-slip fine teeth, and the second washer has second anti-slip fine teeth, the first anti-slip fine teeth are arranged above the first washer, and the second anti-slip fine teeth are arranged below the second washer.

3. The fastener structure with a pre-tightening force lock washer according to claim 2, characterized in that, the anti-slip assembly comprises a first clasp, a second clasp and an embedded sleeve, the first clasp is fixedly connected with the nut and located between the second washer and the nut, the second clasp is arranged between the second clasp and the second washer, and the embedded sleeve is arranged between the first clasp and the second clasp.

4. The fastener structure with a pre-tightening force lock washer according to claim 3, characterized in that, the embedded sleeve comprises a plurality of clamping blocks, the second clasp has a plurality of clamping grooves, the plurality of clamping grooves are arranged below the second clasp, and the plurality of clamping blocks are fixedly connected with the first clasp and located above the first clasp.

5. The fastener structure with a pre-tightening force lock washer according to claim 4, characterized in that, the embedded sleeve further comprises a rubber ring, the rubber ring is detachably connected with the screw rod and located between the first clasp and the second clasp.

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