CN215567153U

CN215567153U - Novel bolt assembly

Info

Publication number: CN215567153U
Application number: CN202120962854.3U
Authority: CN
Inventors: 涂丽芝; 郑丰
Original assignee: Wenzhou Hongwei Industry And Trade Co ltd
Current assignee: Wenzhou Hongwei Industry And Trade Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-01-18
Anticipated expiration: 2031-05-07

Abstract

A novel bolt component comprises a bolt and a screw barrel, wherein one end of the bolt extends into the screw barrel and is connected with the screw barrel, the bolt comprises a screw rod part and a screw cap part which are integrally formed, a placing groove is arranged between the screw rod part and the screw cap part, a tensile part is arranged in the placing groove, two ends of the tensile part are respectively provided with a tensile limiting end, the screw rod part is provided with a connecting port corresponding to the tensile limiting end, the connecting port is communicated with the placing groove, the inner wall of the screw barrel is provided with a limiting clamping groove corresponding to the position of the connecting port, the tensile limiting end of the tensile part extends into the limiting clamping groove through the connecting port and is connected with the screw barrel, the tensile part is arranged to increase the connecting strength between the bolt and the screw barrel and prevent the bolt and the screw barrel from loosening and falling off, the connecting rod and the limiting block are integrally formed, the connecting rod is of an inverted U-shaped structure, so that the whole tensile part has the same structure as tweezers, when the bolt needs to be taken out, the connecting parts at the two sides of the connecting rod can be artificially clamped, so that the limiting blocks enter the placing grooves from the connecting ports, and the tensile pieces are taken out.

Description

Novel bolt assembly

Technical Field

The utility model relates to the technical field of bolt assemblies, in particular to a novel bolt assembly.

Background

The bolt assembly includes a bolt and a nut, the bolt being a cylindrical threaded fastener which cooperates with the nut and which are primarily used to fasten two parts having through holes.

The existing bolt assembly directly sleeves the bolt into the nut in a rotating mode, so that the bolt and the nut are fixed, but the tensile property of the bolt assembly is poor due to the connecting mode, the bolt can not be taken out again after the tensile structure is increased, and the bolt can not be taken out and scrapped after deviation occurs at the installation position.

Disclosure of Invention

In view of the above, the present invention provides a novel bolt assembly.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a novel bolt assembly, includes bolt and a spiral shell section of thick bamboo, bolt one end stretches into the spiral shell section of thick bamboo inside and is connected with the spiral shell section of thick bamboo, the bolt includes screw rod portion and nut portion, screw rod portion and nut portion integrated into one piece, set up the standing groove in the screw rod portion, the opening is seted up to the position that the standing groove is close to the nut portion, set up tensile piece in the standing groove, tensile piece gets into the standing groove by the opening, the both ends of tensile piece all have the spacing end of tensile, screw rod portion corresponds the spacing end of tensile and sets up the connector, connector and standing groove intercommunication, the position that the inner wall of spiral shell section of thick bamboo corresponds the connector sets up spacing draw-in groove, the spacing end of tensile piece stretches into spacing draw-in groove through the connector and is connected with the spiral shell section of thick bamboo.

The preferred, the tensile piece includes connecting rod and stopper, the spacing end setting of tensile is on the stopper, connecting rod and stopper are the integrated into one piece structure, the connecting rod is the setting of falling U-shaped.

Preferably, the placing groove comprises a connecting rod placing part and a limiting block placing part, the limiting block placing part is arranged below the connecting rod placing part, the cross section of the connecting rod placing part is in an isosceles trapezoid shape, the connecting rod is provided with a supporting part and a connecting part, the connecting part is arranged on two sides of the supporting part, and the connecting part is obliquely arranged corresponding to the cross section of the connecting rod placing part.

Preferably, a groove is formed in the nut portion of the bolt, the bottom wall of the groove is communicated with the placing groove, a top cover is further arranged on the groove, threads are formed in the groove wall of the groove, and the top cover is in threaded connection with the groove wall of the groove.

Preferably, the part of the screw part of the bolt, which is positioned at the upper part of the connecting port, is provided with an external thread, and the part of the screw part, which is positioned at the lower part of the connecting port, is a smooth surface.

Preferably, the tensile member is low carbon austenitic steel.

The utility model has the beneficial effects that: according to the utility model, the tensile piece is arranged to increase the connection strength between the bolt and the screw barrel, the phenomenon that the bolt and the screw barrel are loosened and fall off is prevented, the connecting rod and the limiting block are integrally formed, and the connecting rod is of an inverted U-shaped structure, so that the whole tensile piece has the same structure as tweezers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a bolt structure;

FIG. 3 is a top view of the present invention.

Reference numerals:

1. bolt, 2, barrel, 3, screw rod portion, 4, nut portion, 5, standing groove, 6, tensile piece, 7, the spacing end of tensile, 8, connector, 9, spacing draw-in groove, 10, connecting rod, 11, stopper, 12, supporting part, 13, connecting portion, 14, recess, 15, top cap, 16, opening, 17, stopper standing part, 18, connecting rod standing part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model will be further described with reference to the accompanying drawings.

The utility model provides the following technical scheme:

as shown in the attached fig. 1-3, the utility model discloses a novel bolt assembly, which comprises a bolt 1 and a screw cylinder 2, one end of the bolt 1 extends into the screw cylinder 2 and is connected with the screw cylinder 2, the bolt 1 comprises a screw rod part 3 and a screw cap part 4, the screw rod part 3 and the screw cap part 4 are integrally formed, a placing groove 5 is arranged on the screw rod part 3, an opening 16 is arranged at the position of the placing groove 5 close to the screw cap part 4, a tensile member 6 is arranged in the placing groove 5, the tensile member 6 enters the placing groove 5 from an opening 16, both ends of the tensile piece 6 are provided with tensile limiting ends 7, the screw rod part 3 is provided with a connecting port 8 corresponding to the tensile limiting ends 7, the connecting port 8 is communicated with the placing groove 5, a position limiting clamping groove 9 is arranged on the inner wall of the screw cylinder 2 corresponding to the connecting port 8, the tensile limiting end 7 of the tensile piece 6 extends into the limiting clamping groove 9 through the connecting port 8 to be connected with the screw cylinder 2. Specifically, through setting up tensile piece 6 and increasing the joint strength between bolt 1 and the barrel 2, prevent to appear taking off the phenomenon that drops that takes off between bolt 1 and the barrel 2.

Further, tensile piece 6 includes connecting rod 10 and stopper 11, tensile spacing end 7 sets up on stopper 11, connecting rod 10 and stopper 11 are the integrated into one piece structure, connecting rod 10 is the setting of falling the U-shaped. Specifically, connecting rod 10 and stopper 11 integrated into one piece, and connecting rod 10 is the type of falling U structure for whole tensile piece 6 has the structure the same with tweezers, when needs take out bolt 1, can be artificial the both sides connecting portion 13 of pressing from both sides tight connecting rod 10, make stopper 11 follow connector 8 get into in the standing groove 5, thereby take out tensile piece 6, loosen the bolt 1 subassembly again and take off.

In this embodiment, the tensile member 6 may be directly placed in the placement groove 5 before the bolt 1 is installed, and when the bolt 1 is screwed into the screw cylinder 2, the limiting block 11 approaches and reaches the limiting slot 9 along with the screwing component of the bolt 1, so as to be connected with the limiting slot 9; in another embodiment, the bolt 1 may be screwed into the screw cylinder 2, and then the tensile member 6 is placed into the placing groove 5, so that the limiting block 11 of the tensile member 6 extends into the limiting clamping groove 9 from the connecting port 8 of the bolt 1.

Further, the placing groove 5 includes a connecting rod placing portion 18 and a stopper placing portion 17, the stopper placing portion 17 is disposed below the connecting rod placing portion 18, a cross section of the connecting rod placing portion 18 is in an isosceles trapezoid shape, the connecting rod 10 has a supporting portion 12 and a connecting portion 13, the connecting portion 13 is disposed on two sides of the supporting portion 12, and the connecting portion 13 is disposed in an inclined manner corresponding to a cross-sectional shape of the connecting rod placing portion 18. The cross-sectional shape is isosceles trapezoid's standing groove 5 and the connecting rod 10 that corresponds standing groove 5 and set up can guarantee that the stopper 11 of connecting rod 10 both sides is located the coplanar, prevents that the difference in the 11 high positions of stopper in both sides from appearing and leading to connecting the failure.

Further, a groove 14 is formed in the nut portion 4 of the bolt 1, the bottom wall of the groove 14 is communicated with the placing groove 5, a top cover 15 is further arranged on the groove 14, threads (not shown) are formed in the groove wall of the groove 14, and the top cover 15 is in threaded connection with the groove wall of the groove 14. By providing the groove 14 and the top cover 15 screwed to the groove 14 on the nut portion 4 of the bolt 1, it is possible to prevent impurities such as dust from entering the placement groove 5.

Specifically, the screw portion 3 of the bolt 1 at the upper portion of the connection port 8 is provided with an external thread (not shown), and the portion of the screw portion 3 at the lower portion of the connection port 8 is a smooth surface. In the present embodiment, the male screw is provided at the portion located above the connection port 8, whereby the connection strength between the bolt 1 and the barrel 2 can be enhanced.

In this embodiment, the tensile member 6 is made of low-carbon austenitic steel, the tensile member 6 made of the low-carbon austenitic steel has certain corrosion resistance and good strength, and in other embodiments, the material of the tensile member 6 may also be titanium alloy steel and nickel-chromium-molybdenum alloy steel.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a novel bolt assembly, includes bolt and spiral shell section of thick bamboo, bolt one end stretches into the spiral shell section of thick bamboo inside and is connected with the spiral shell section of thick bamboo, the bolt includes screw rod portion and nut portion, screw rod portion and nut portion integrated into one piece, its characterized in that: the screw section is provided with a placing groove, the placing groove is provided with an opening close to the position of the screw cap part, a tensile part is arranged in the placing groove, the tensile part enters the placing groove from the opening, the two ends of the tensile part are provided with tensile limiting ends, the screw section is provided with a connector corresponding to the tensile limiting end, the connector is communicated with the placing groove, the position of the inner wall of the screw barrel corresponding to the connector is provided with a limiting clamping groove, and the tensile limiting end of the tensile part extends into the limiting clamping groove through the connector to be connected with the screw barrel.

2. The novel bolt assembly of claim 1, wherein: the tensile piece comprises a connecting rod and a limiting block, the tensile limiting end is arranged on the limiting block, the connecting rod and the limiting block are of an integrally formed structure, and the connecting rod is arranged in an inverted U shape.

3. The novel bolt assembly of claim 2, wherein: the placing groove comprises a connecting rod placing part and a limiting block placing part, the limiting block placing part is arranged below the connecting rod placing part, the cross section of the connecting rod placing part is in an isosceles trapezoid shape, the connecting rod is provided with a supporting part and a connecting part, the connecting part is arranged on two sides of the supporting part, and the connecting part is in an inclined arrangement corresponding to the cross section of the connecting rod placing part.

4. The novel bolt assembly of claim 1, wherein: the bolt is characterized in that a groove is formed in a nut portion of the bolt, the bottom wall of the groove is communicated with the placing groove, a top cover is further arranged on the groove, threads are formed in the groove wall of the groove, and the top cover is in threaded connection with the groove wall of the groove.

5. The novel bolt assembly of claim 1, wherein: the part of the screw part of the bolt, which is positioned at the upper part of the connecting port, is provided with an external thread, and the part of the screw part, which is positioned at the lower part of the connecting port, is a smooth surface.

6. The novel bolt assembly of claim 1, wherein: the tensile piece is low-carbon austenitic steel.