CN219888469U - Impact-resistant bolt fastener - Google Patents

Abstract

The utility model relates to the technical field of fasteners and discloses an impact-resistant bolt fastener which comprises a bolt body, wherein the bolt body comprises a nut and a screw rod, the screw rod is connected with the nut, a nut is screwed on the outer side of the screw rod, a reinforcing rod is screwed on the side part of the nut, reinforcing plates are respectively and rotatably connected with the end parts of the reinforcing rods, soft layers are respectively arranged on the side parts of the reinforcing plates, and a friction layer is arranged on the outer side of the screw rod; the screw rod is inserted and is established on the equipment that needs to connect the equipment, lock the nut on the screw rod for the bolt body is fixed on equipment, thereby makes the equipment fixed connection that needs to connect the equipment together, rotates the stiffening rod, makes the stiffening rod drive the stiffening plate and removes, thereby makes the stiffening plate drive soft layer and supports to press on the friction layer, increases the mutual frictional force between nut and the screw rod, thereby makes the bolt body place firm more difficult pine take off, solves current bolt fastener as far as under the impact that runs into stronger and loose easily, influences the problem of stability in use.

Description

Impact-resistant bolt fastener

Technical Field

The utility model relates to the technical field of fasteners, in particular to an impact-resistant bolt fastener.

Background

A screw fastener is a type of threaded fastener, which is a mechanical part with internal or external threads, and is commonly used as a fastener to facilitate the assembly of multiple components, most commonly screw fasteners include screws and nuts in addition to screw fasteners.

The threaded fastener is almost used on all mechanical equipment, so that the threaded connection technology is one of the most important technologies for ensuring the reliability of a mechanical system, and is one of the most standardized parts due to frequent use, and the threaded connection is a widely used detachable fixed connection and has the advantages of simple structure, reliable connection, convenience in assembly and disassembly and the like.

At present, the existing bolt fastener is simpler in structure, in order to prevent the fastener from loosening due to mechanical impact, a washer is added in the using process of the fastener to increase relative friction force, but the mode is not stable enough for placing the fastener, and the fastener is easy to loosen under stronger impact, so that the using stability is affected; thus, the existing need is not met, for which we propose an impact resistant bolt fastener.

Disclosure of Invention

The utility model provides an impact-resistant bolt fastener, which has the beneficial effects that the problems that the structure of the existing bolt fastener is simpler, and in order to prevent the fastener from loosening caused by mechanical impact, a washer is added in the using process of the fastener to increase relative friction force, but the mounting of the fastener is not stable enough in such a way, the fastener is easy to loosen under stronger impact, and the using stability is influenced are solved.

The utility model provides the following technical scheme: the utility model provides a shock-resistant bolt fastener, includes the bolt body, the bolt body includes nut and screw rod, the screw rod with the nut is connected, screw rod outside spiro union has the nut, nut lateral part spiro union has the reinforcing rod, the quantity of reinforcing rod sets up to a plurality of, the tip of reinforcing rod is all rotated and is connected with the gusset plate, soft layer is all installed to the gusset plate lateral part, the screw rod outside is provided with the friction layer.

As an alternative to the impact resistant bolt fastener of the utility model, wherein: the cross section of the nut is arranged to be regular hexagon, and the nut and the screw are cast integrally.

As an alternative to the impact resistant bolt fastener of the utility model, wherein: the nut outside is connected with the inserted block, the quantity of inserted block sets up to a plurality of.

As an alternative to the impact resistant bolt fastener of the utility model, wherein: the screw rod outside cover is equipped with first gasket and second gasket, first gasket lateral part is provided with the perforation, the perforation with the inserted block one-to-one, just the inserted block all peg graft in the perforation.

As an alternative to the impact resistant bolt fastener of the utility model, wherein: the end of the reinforcing rod is connected with a connecting block, the connecting block is arranged in a circular plate shape, a groove is formed in the outer side of the connecting block, and the groove is arranged in a cross shape.

As an alternative to the impact resistant bolt fastener of the utility model, wherein: the nut is provided with slots on the outer side, the number of the slots is a plurality of, and the connecting blocks can be inserted into the slots in a sliding manner.

As an alternative to the impact resistant bolt fastener of the utility model, wherein: the bearing is installed to the gusset plate inboard, the tip of gusset plate is inserted establish in the bearing, the gusset plate with the inner ring laminating of bearing, the gusset plate with the outer loop laminating of bearing.

As an alternative to the impact resistant bolt fastener of the utility model, wherein: the soft layer may be pressed against the side of the friction layer.

The utility model has the following beneficial effects:

1. this shock-resistant bolt fastener inserts the screw rod and establishes on the equipment that needs to connect the equipment, again lock the nut on the screw rod, make the bolt body fix on equipment, thereby make the equipment fixed connection that needs to connect the equipment together, rotate the stiffening rod, make the stiffening rod drive the gusset plate and remove, thereby make the gusset plate drive soft layer and support and press on the friction layer, increase the mutual frictional force between nut and the screw rod, thereby make the bolt body place firm difficult pine take off more, it is comparatively simple to solve current bolt fastener structure as far as, in order to prevent to lead to the fastener to become flexible because of mechanical impact, just add a slice packing ring increase relative frictional force at the in-process that the fastener used, however, such mode is not firm enough to the laying of fastener, it is easy to loosen down still, influence the problem of stability in use under the stronger impact of meetting.

2. This shock-resistant bolt fastener through the setting of first gasket and second gasket, increases the frictional force between bolt body and the mechanical equipment, through the setting of inserted block for the inserted block is all inserted and is established in the mechanical equipment lateral part, avoids the bolt body to rock on mechanical equipment as far as possible, thereby is difficult to rock when making the bolt body receive the impact.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

FIG. 2 is a schematic cross-sectional view of the present utility model.

Fig. 3 is a schematic view of a partial perspective structure of the present utility model.

Fig. 4 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: 100. a bolt body; 110. a screw cap; 120. a screw; 121. inserting blocks; 122. a first gasket; 123. a second gasket; 124. perforating; 130. a nut; 140. a reinforcing rod; 141. a connecting block; 142. a groove; 143. a slot; 150. a reinforcing plate; 151. a bearing; 160. a soft layer; 170. a friction layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

This embodiment is intended to facilitate solving the problem that the existing bolt fastener is simpler in structure, in order to prevent the fastener from loosening due to mechanical impact, only a washer is added to increase relative friction force in the using process of the fastener, but the placement of the fastener is not stable enough in such a way, the fastener is easy to loosen under stronger impact, and the stability in use is affected, please refer to fig. 1, 2, 3 and 4, a shock-resistant bolt fastener comprises a bolt body 100, the bolt body 100 comprises a nut 110 and a screw 120, the cross section of the nut 110 is set to be regular hexagon, tools such as a wrench are convenient to clamp the outside of the nut 110, the bolt body 100 is made to rotate, and the nut 110 and the screw 120 are cast as a whole.

Screw rod 120 is connected with nut 110, and the central line of screw rod 120 coincides with the central line of nut 110, screw rod 120 outside spiro union has nut 130, nut 130 lateral part spiro union has stiffening rod 140, stiffening rod 140's quantity sets up to four, stiffening rod 140 tip all is connected with connecting block 141, connecting block 141 sets up to circular platy, and connecting block 141 all sets up in nut 130's the outside, the connecting block 141 outside is provided with recess 142, recess 142 sets up to "ten" shape, the instrument such as use screwdriver of being convenient for makes stiffening rod 140 rotate, nut 130 outside is provided with slot 143, the quantity of slot 143 sets up to four, and connecting block 141 can slide and insert in slot 143.

The tip of stiffening rod 140 all rotates and is connected with stiffening plate 150, and stiffening plate 150 all sets up the inboard at nut 130, and bearing 151 is all installed to stiffening plate 150 inboard, and stiffening rod 140's tip is inserted and is established in bearing 151, and stiffening rod 140 and the laminating of the inner ring of bearing 151, the laminating of the outer loop of stiffening plate 150 and bearing 151, soft layer 160 are all installed to stiffening plate 150 lateral part, and soft layer 160 sets up to the rubber layer, and the screw rod 120 outside is provided with friction layer 170, and soft layer 160 can support the lateral part of pressing at friction layer 170.

In this embodiment: the screw 120 is inserted on equipment needing to be connected and assembled, the nut 130 is locked on the screw 120, so that the bolt body 100 is fixed on the equipment, the equipment needing to be connected and assembled is fixedly connected together, the reinforcing rod 140 is rotated, the reinforcing rod 140 drives the reinforcing plate 150 to move, the reinforcing plate 150 drives the soft layer 160 to be abutted against the friction layer 170, the mutual friction force between the nut 130 and the screw 120 is increased, the bolt body 100 is placed more firmly and is not easy to loosen, the problem that the use stability is affected because the existing bolt fastener is simpler in structure and is not easy to loosen because of mechanical impact, and only a washer is added in the use process of the fastener to increase relative friction force is solved.

Example 2

The present embodiment is intended to facilitate solving the problem that the bolt body 100 is easy to shake when being impacted, the present embodiment is an improvement made on the basis of embodiment 1, specifically, please refer to fig. 1, 2, 3 and 4, the lower side of the nut 110 is connected with the insert blocks 121, the insert blocks 121 are cylindrical, the number of the insert blocks 121 is six, the six insert blocks 121 are uniformly arranged on the outer side of the nut 110 in a circumferential manner, the outer side of the screw 120 is sleeved with a first gasket 122 and a second gasket 123, the first gasket 122 and the second gasket 123 are both provided with rubber rings, the side part of the first gasket 122 is provided with perforations 124, the number of the perforations 124 is six, the perforations 124 are in one-to-one correspondence with the insert blocks 121, and the insert blocks 121 are all inserted into the perforations 124.

In this embodiment: through the setting of first gasket 122 and second gasket 123, increase the frictional force between bolt body 100 and the mechanical equipment, through the setting of inserted block 121 for inserted block 121 all inserts and establishes in the mechanical equipment lateral part, avoids bolt body 100 to rock on the mechanical equipment as far as possible, thereby is difficult to rock when making bolt body 100 receive the impact.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (8)

1. An impact resistant bolt fastener comprising a bolt body (100), characterized in that: bolt body (100) include nut (110) and screw rod (120), screw rod (120) with nut (110) are connected, screw rod (120) outside spiro union has nut (130), nut (130) lateral part spiro union has stiffening rod (140), the quantity of stiffening rod (140) sets up to a plurality of, the tip of stiffening rod (140) is all rotated and is connected with gusset plate (150), soft layer (160) are all installed to gusset plate (150) lateral part, screw rod (120) outside is provided with friction layer (170).

2. An impact resistant bolt fastener according to claim 1, wherein: the cross section of the nut (110) is arranged into a regular hexagon, and the nut (110) and the screw (120) are integrally cast.

3. An impact resistant bolt fastener according to claim 1, wherein: the nut (110) is connected with inserting blocks (121) on the outer side, and the number of the inserting blocks (121) is set to be a plurality.

4. A ballistic resistant bolt fastener according to claim 3 wherein: the screw rod (120) outside cover is equipped with first gasket (122) and second gasket (123), first gasket (122) lateral part is provided with perforation (124), perforation (124) with insert block (121) one-to-one, just insert block (121) all peg graft in perforation (124).

5. An impact resistant bolt fastener according to claim 1, wherein: the reinforcing rod (140) end connection has connecting block (141), connecting block (141) set up to circular platy, connecting block (141) outside is provided with recess (142), recess (142) set up to "ten" shape.

6. An impact resistant bolt fastener according to claim 5, wherein: the nut (130) is provided with slots (143) on the outer side, the number of the slots (143) is a plurality of, and the connecting blocks (141) can be slidably inserted into the slots (143).

7. An impact resistant bolt fastener according to claim 1, wherein: the bearing (151) is all installed to gusset plate (150) inboard, the tip of gusset plate (140) is inserted and is established in bearing (151), gusset plate (140) with the inner ring laminating of bearing (151), gusset plate (150) with the outer loop laminating of bearing (151).

8. An impact resistant bolt fastener according to claim 1, wherein: the soft layer (160) may bear against the sides of the friction layer (170).