CN213064295U

CN213064295U - Prevent that nut drops bolt and applied water-jug rack of this bolt

Info

Publication number: CN213064295U
Application number: CN202021961131.3U
Authority: CN
Inventors: 杨永; 曹志刚
Original assignee: Foshan Qishi Sporting Goods Technology Co ltd
Current assignee: Foshan Qishi Sporting Goods Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-27
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a prevent water-jug rack of nut bolt and applied this bolt that drops is equipped with the blind hole along its axis through the one end of keeping away from the nut at the screw for thickness between the inner wall of the screw of blind hole department and the outer wall is less, and then dashes to expand the processing to this blind hole through the instrument, makes the blind hole warp, leads to the diameter grow of screw in blind hole department promptly, and then makes threaded connection can not drop at the nut on the screw, reaches the anticreep effect. The lower extreme of the fixed cassette of water-jug rack and kelly passes through bolted connection, and this bolt is for the bolt through the processing of dashing and expanding, and the one end that the screw was keeping away from the nut promptly is equipped with the blind hole along its axis for the blind hole warp, leads to the diameter grow of screw in blind hole department, and then makes threaded connection nut on the screw can not drop, reaches the anticreep effect, and then can not lead to kelly and bolt to lose, reduces the cost of maintaining.

Description

Prevent that nut drops bolt and applied water-jug rack of this bolt

Technical Field

The utility model relates to a connect the part field, in particular to prevent that nut drops bolt and uses water-jug rack of this bolt.

Background

In a conventional bolt, there is generally a bolt and a nut, and the nut is screwed on the bolt. However, when the conventional screw is used for fixing equipment with large vibration, the conventional screw is loosened after being used for a long time, and finally, the nut falls off from the screw to be lost. Therefore, the nut needs to be replaced again at the time of maintenance.

For example: on the water-jug rack of bicycle or motorcycle, the fixed cassette and the kelly of water-jug rack pass through the fix with screw and be in the same place, when receiving great or longer vibration in riding, the nut can drop from the screw, and then leads to the kelly also to drop from the cassette, leads to the bolt and the kelly to lose promptly.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned deficiencies of the prior art, the object of the present invention is to: the utility model provides a prevent bolt that nut drops solves the problem that the nut of current bolt drops easily.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a prevent nut bolt that drops, includes screw and the nut of threaded connection on the screw, the screw is equipped with the blind hole along its axis in the one end of keeping away from the nut, and the terminal surface intercommunication of nut one end is kept away from with the screw to this blind hole, makes the nut is installed back on the screw, right behind the blind hole reaming the nut can not drop from the screw.

In the bolt for preventing the nut from falling off, the nut is a butterfly nut.

The utility model provides a water-jug rack, is equipped with rectangular shape through-hole including fixed cassette and kelly, fixed cassette lower extreme, and the kelly lower extreme is equipped with the screw hole, runs through on the screw hole have prevent that the nut bolt that drops, and prevent that the screw that the nut bolt that drops passes rectangular shape through-hole.

In the water bottle placing frame, a slide rail is arranged at the lower end of the fixed clamping seat, and a slide groove matched with the slide rail is arranged at the lower end of the clamping rod.

In the water bottle placing frame, the sliding rails are arranged on two sides of the long strip-shaped through hole.

In the water bottle placing frame, the cross section of the upper end of the screw hole is a polygonal hole, and the nut of the screw is matched with the polygonal hole.

In the water bottle placing frame, the cross section of the upper end of the screw hole is hexagonal.

In the water bottle placing frame, the nut of the bolt for preventing the nut from falling off is a butterfly nut.

Has the advantages that: 1. be equipped with the blind hole through the one end of keeping away from the nut at the screw along its axis for thickness between the inner wall of the screw of blind hole department and the outer wall is less, and then dashes through the instrument and expands the processing to this blind hole, makes the blind hole warp, leads to the diameter grow of screw in blind hole department promptly, and then makes threaded connection can not drop on the screw nut, reaches the anticreep effect.

2. The lower extreme of fixed cassette and kelly passes through bolted connection, and this bolt is for dashing the bolt that expands the processing, and the screw is equipped with the blind hole along its axis in the one end of keeping away from the nut promptly, and the terminal surface intercommunication of this blind hole and screw, the nut is installed on the screw after, carries out reaming increase screw's diameter to the blind hole. The blind hole is formed in one end, far away from the nut, of the screw along the axis, the thickness between the inner wall and the outer wall of the screw at the position of the blind hole is small, the blind hole is punched and expanded through a tool, the blind hole is deformed, the diameter of the screw at the position of the blind hole is enlarged, the nut which is connected to the screw through threads cannot fall off, the anti-falling effect is achieved, the clamping rod and the bolt cannot be lost, and the maintenance cost is reduced.

Drawings

Fig. 1 is a schematic structural view of a nut drop preventing bolt.

Fig. 2 is a first structural schematic diagram of the water bottle placing frame.

Fig. 3 is a schematic structural view II of the water bottle placing frame.

Fig. 4 is a schematic structural view three of the water bottle placing frame.

Description of the main element symbols: 1-screw, 2-nut, 3-blind hole, 4-fixed clamping seat, 5-clamping rod, 6-strip-shaped through hole, 7-sliding rail, 8-sliding groove, 9-screw hole and 1.2-bolt.

Detailed Description

The utility model provides a prevent that nut drops bolt and uses water-jug rack of this bolt, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and more clear, and it is right that the following refers to the drawing and the embodiment of lifting is the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.

Referring to fig. 1, the nut falling-off prevention bolt comprises a bolt 1 and a nut 2 in threaded connection with the bolt 1, wherein a blind hole 3 is formed in one end, away from a nut, of the bolt 1 along the axis of the bolt, the blind hole 3 is communicated with the end face, away from the nut, of the bolt 1, so that after the nut 2 is installed on the bolt 1, the nut 2 cannot fall off from the bolt 1 after the blind hole 3 is expanded. I.e. after the nut 2 is mounted on the screw 1, the blind hole 3 is reamed to increase the diameter of the screw 1. Specifically, be equipped with blind hole 3 along its axis through the one end of keeping away from the nut at screw 1 for the thickness between the inner wall of screw 1 and the outer wall of blind hole 3 department is less, and then dashes to expand through the instrument and handle this blind hole 3, makes blind hole 3 warp, leads to the diameter grow of screw 1 in blind hole 3 department promptly, and then makes nut 2 of threaded connection on screw 1 can not drop, reaches the anticreep effect.

In a preferred embodiment, the nut 2 is a wing nut, which facilitates manual screwing of the nut 2.

Referring to fig. 2, 3 and 4, the water bottle placing frame comprises a fixing clamping seat 4 and a clamping rod 5, wherein the fixing clamping seat 4 and the clamping rod 5 are both in an L shape in a main view direction, the lower ends of the fixing clamping seat 4 and the clamping rod 5 are overlapped together, and the position for clamping the water bottle in the top view direction is in an arc shape. The lower end of the fixing clamping seat 4 is provided with a strip-shaped through hole 6, the lower end of the clamping rod 5 is provided with a screw hole 9, the screw hole 9 is penetrated with the nut falling prevention bolt 1.2, and the screw 1 of the nut falling prevention bolt 1.2 penetrates through the strip-shaped through hole 6.

In the structure, the space of the upper end between the fixed clamping seat 4 and the clamping rod 5 is arranged horizontally, the lower ends of the fixed clamping seat 4 and the clamping rod 5 are connected through the bolt 1.2, the bolt 1.2 penetrates through the screw hole 9 and the elongated through hole 6, the nut and the nut 2 tightly clamps and fixes the fixed clamping seat 4 and the clamping rod 5, when the nut 2 is unscrewed, the screw 1 can move in the elongated through hole 6, the position between the fixed clamping seat 4 and the clamping rod 5 is adjusted, and the clamping seat is suitable for placing the levels with different sizes.

The blind hole 3 is formed in one end, far away from the nut, of the screw 1 along the axis of the screw, the blind hole 3 is communicated with the end face of the screw 1, and the nut 2 is installed on the screw 1 and then expands the blind hole 3 to increase the diameter of the screw 1. Be equipped with blind hole 3 along its axis through the one end of keeping away from the nut at screw 1 for thickness between the inner wall of screw 1 of blind hole 3 department and the outer wall is less, and then dashes through the instrument and expands processing to this blind hole 3, makes blind hole 3 warp, leads to the diameter grow of screw 1 in blind hole 3 department promptly, and then makes nut 2 of threaded connection on screw 1 can not drop, reaches the anticreep effect.

In other words, the nut 2 moves to the outside of the screw 1 under vibration, when the screw is moved to the position where the bolt is punched and expanded, the nut 2 cannot be continuously separated from the screw 1 due to the large diameter, so that the bolt 1.2 and the clamping rod 5 cannot fall off from the fixed clamping seat 4 even if the bolt on the water bottle placing frame is loosened, and the bolt 1.2 can be manually screwed when the bolt 1.2 is found to be loosened.

In a preferred embodiment, the lower end of the fixed clamping seat 4 is provided with a sliding rail 7, the lower end of the clamping rod 5 is provided with a sliding groove 8 matched with the sliding rail 7, and the sliding rail 7 is parallel to the length direction of the elongated through hole 6. Through the arrangement of the sliding rail 7 and the sliding groove 8, the clamping rod 5 can only move along the direction limited by the sliding rail 7. Preferably, the sliding rails 7 are arranged on two sides of the elongated through hole 6. In practical application, the slide rail 7 simultaneously plays a role in supporting the clamping rod 5, so that the slide rails 7 are arranged on two sides of the strip-shaped through hole 6, namely the slide rails 7 are arranged on two sides of the fixed clamping seat 4, and the stability of the clamping rod 5 is improved.

In a preferred embodiment, the cross section of the upper end of the screw hole 9 is a polygonal hole, and the nut of the screw 1 is matched with the polygonal hole. Preferably, the polygon is a hexagon, and in practical applications, the polygon may also be a triangle, a quadrangle or other shapes according to practical requirements. The cross section of the upper end of the screw hole 9 is set to be a polygonal hole, the nut of the screw 1 is matched with the polygonal hole, after the bolt is installed, the nut of the screw 1 is placed in the polygonal hole, and when the nut 2 is screwed, the screw 1 cannot rotate together, so that the operation is convenient.

In a preferred embodiment, said nut 2 is preferably a wing nut, in order to facilitate the manual screwing of the nut 2.

The utility model discloses in, be equipped with blind hole 3 along its axis through the one end of keeping away from the nut at screw 1 for the thickness between the inner wall of screw 1 of blind hole 3 department and the outer wall is less, and then dashes to expand through the instrument and handle this blind hole 3, makes blind hole 3 warp, leads to screw 1 to be in the diameter grow of blind hole 3 department promptly, and then makes threaded connection can not drop at nut 2 on screw 1, reaches the anticreep effect.

The lower extreme of fixed cassette 4 and kelly 5 passes through bolted connection, and this bolt is for dashing the bolt that expands the processing, and screw 1 is equipped with blind hole 3 along its axis in the one end of keeping away from the nut promptly, and this blind hole 3 communicates with the terminal surface of screw 1, and nut 2 installs the back on screw 1, carries out reaming increase screw 1's diameter to blind hole 3. Be equipped with blind hole 3 along its axis through the one end of keeping away from the nut at screw 1 for thickness between the inner wall of screw 1 of blind hole 3 department and the outer wall is less, and then dash and expand the processing to this blind hole 3 through the instrument, make blind hole 3 warp, lead to the diameter grow of screw 1 in blind hole 3 department promptly, and then make threaded connection nut 2 on screw 1 can not drop, reach the anticreep effect, and then can not lead to kelly 5 and bolt to lose, reduce the cost of maintaining.

The nut falling-off preventing bolt is not limited to be applied to a bicycle or motorcycle water bottle placing frame, and can also be applied to connection of other equipment.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims

1. The utility model provides a prevent nut bolt that drops, includes screw and the nut of threaded connection on the screw, its characterized in that, the screw is equipped with the blind hole along its axis in the one end of keeping away from the nut, and the terminal surface intercommunication of nut one end is kept away from with the screw to this blind hole makes the nut is installed back on the screw, right behind the blind hole reaming the nut can not follow the screw and drop.

2. The drop nut bolt of claim 1, wherein the nut is a wing nut.

3. A water bottle placing frame is characterized by comprising a fixing clamping seat and a clamping rod, wherein an elongated through hole is formed in the lower end of the fixing clamping seat, a screw hole is formed in the lower end of the clamping rod, the nut falling-preventing bolt claimed in claim 1 penetrates through the screw hole, and the screw of the nut falling-preventing bolt penetrates through the elongated through hole.

4. A water bottle placing rack according to claim 3, wherein a slide rail is arranged at the lower end of the fixing clamping seat, and a slide groove matched with the slide rail is arranged at the lower end of the clamping rod.

5. A water bottle placing frame according to claim 4, wherein the sliding rails are arranged on two sides of the long-strip-shaped through hole.

6. A water bottle placing rack as claimed in claim 3, wherein the cross section of the upper end of the screw hole is a polygonal hole, and the nut of the screw is matched with the polygonal hole.

7. A water bottle placing frame according to claim 6, wherein the cross section of the upper end of the screw hole is hexagonal.

8. A water bottle placing frame according to claim 3, wherein the nut of the nut falling-off prevention bolt is a butterfly nut.