CN214465445U

CN214465445U - U-shaped bolt for fastening automobile plate spring

Info

Publication number: CN214465445U
Application number: CN202120239430.4U
Authority: CN
Inventors: 燕存露
Original assignee: Huangshan Jianghuai Industry And Trade Co ltd
Current assignee: Huangshan Jianghuai Industry And Trade Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-10-22
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a U-shaped bolt for fastening automobile leaf springs, which belongs to the technical field of bolt assemblies and comprises a bolt body with a U-shaped structure, wherein the bolt body consists of two vertical rod parts which are parallel to each other and a transverse rod part which is connected with the bottoms of the two vertical rod parts; the vertical rod part is formed by sequentially connecting a plurality of rod sections, a threaded column is arranged in the center of the end face of one of the two adjacent rod sections, and a threaded groove matched with the threaded column in a threaded manner is formed in the end face of the other rod section; first external threads are processed on the outer walls of the rod sections on two sides of the joint of the two adjacent rod sections, and are screwed and fastened with the first external threads through nuts. The utility model discloses can prevent effectively that not hard up phenomenon from appearing under the long-term vibration environment, and can adjust according to the actual demand.

Description

U-shaped bolt for fastening automobile plate spring

Technical Field

The utility model belongs to the technical field of the bolt assembly, especially, relate to a U type bolt is used in fastening of car leaf spring.

Background

The fastener is an indispensable part for connecting mechanical parts and fixing devices. Widely used leaf spring in current automotive suspension system, this leaf spring relies on the frictional force between steel sheet and the steel sheet and has higher buffering and damping performance, current leaf spring, it all adopts U type bolt cooperation nut to assemble fixedly to assemble between its steel sheet and the steel sheet, however, the leaf spring appears U type bolt in the use easily and appears not hard up phenomenon under long-term vibration environment, thereby bring the service failure, bring the loss for the user, and can produce great wearing and tearing moreover. In addition, the existing U-shaped bolt cannot be conveniently adjusted according to the actual requirement of the thickness of the plate spring, and the universality is poor.

Disclosure of Invention

An object of the utility model is to overcome the not enough of above-mentioned technique, provide a U type bolt is used in fastening of car leaf spring, can prevent effectively that not hard up phenomenon from appearing under the long-term vibration environment, and can adjust according to the actual demand.

In order to realize the purpose of the utility model, the utility model adopts the technical scheme that:

a U-shaped bolt for fastening an automobile plate spring comprises a bolt body with a U-shaped structure, wherein the bolt body is composed of two vertical rod parts which are parallel to each other and a transverse rod part which is connected with the bottom ends of the two vertical rod parts; the vertical rod part is formed by sequentially connecting a plurality of rod sections, a threaded column is arranged in the center of the end face of one of the two adjacent rod sections, and a threaded groove matched with the threaded column in a threaded manner is formed in the end face of the other rod section; first external threads are processed on the outer walls of the rod sections on two sides of the joint of the two adjacent rod sections, and are screwed and fastened with the first external threads through nuts.

The utility model discloses a further improvement lies in, be integrated into one piece between the pole section of being connected with horizontal pole portion and the horizontal pole portion, and junction between them is the circular arc transition.

The utility model discloses a further improvement lies in, and the pole section outer wall processing of keeping away from horizontal pole portion has the second external screw thread for be connected with the connecting piece that corresponds, make the leaf spring installation firm.

The utility model discloses a further improvement lies in, accomplishes when nut and the installation of first external screw thread adaptation, is connected through spot welding in addition between the outer wall of nut and pole section.

The utility model discloses a further improvement lies in, the cushion comprises the rubber layer on upper strata and the steel sheet layer of lower floor, improves shock-absorbing capacity through the rubber layer.

The utility model discloses a further improvement lies in, be formed with a plurality of archs on the top surface on rubber layer, further improve anti-vibration buffering effect.

The utility model discloses a further improvement lies in, two the spout has been seted up along length direction respectively on the lateral wall of montant portion towards the cushion, be equipped with the slider in the spout, the slider is connected with the cushion terminal surface that corresponds, improves bolt body installation accuracy, and the cushion wrench movement is separated from out the leaf spring that connects when preventing to install.

The utility model discloses a further improvement lies in, the elastic component is the spring.

The utility model has the advantages that:

the utility model can adjust the length at any time according to the thickness of different plate springs by the form of a plurality of rod sections, and ensures the tight connection between the rod sections by the matching of the threaded column and the threaded groove, and the nut and the first external thread; the utility model discloses a set up cushion, elastic component, the vibration that effectively causes when moving the car cushions, prevents that U type bolt from appearing not hard up and wearing and tearing phenomenon under long-term vibration environment to bring the service failure, improved life greatly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the vertical rod part 1, the transverse rod part 2, the cushion block 3, the elastic part 4, the rod section 5, the threaded column 6, the threaded groove 7, the first external thread 8, the nut 9, the second external thread 10, the rubber layer 31, the steel sheet layer 32, the bulge 33, the sliding groove 11 and the sliding block 12.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, a U-shaped bolt for fastening a plate spring of an automobile comprises a bolt body with a U-shaped structure, wherein the bolt body is composed of two vertical rod parts 1 which are parallel to each other and a cross rod part 2 which is connected with the bottom ends of the two vertical rod parts 1, a cushion block 3 is arranged above the cross rod part 2, the cushion block 3 is connected with the cross rod part 2 through a plurality of elastic parts 4, and the cushion block 3 is positioned between the two vertical rod parts 1; the vertical rod part 1 is formed by sequentially connecting a plurality of rod sections 5, a threaded column 6 is arranged in the center of the end face of one rod section 5 of the two adjacent rod sections 5, and a threaded groove 7 matched with the threaded column 6 in a threaded manner is formed in the end face of the other rod section 5; the outer walls of the rod sections 5 on two sides of the joint of the two adjacent rod sections 5 are provided with first external threads 8, and are screwed and fastened with the first external threads 8 through nuts 9.

Specifically, the rod section 5 connected with the cross rod part 2 and the cross rod part 2 are integrally formed, and the connection part of the two is in arc transition.

Specifically, the outer wall of the rod section 5 far away from the cross rod part 2 is processed with a second external thread 10 for connecting with a corresponding connecting piece, so that the leaf spring is firmly installed.

Specifically, when the nut 9 is fitted to the first external thread 8, the nut 9 is connected to the outer wall of the rod segment 5 by spot welding.

Specifically, the cushion block 3 is composed of an upper rubber layer 31 and a lower steel sheet layer 32, and the rubber layer 31 improves the cushioning performance.

Specifically, a plurality of protrusions 33 are formed on the top surface of the rubber layer 31 to further enhance the anti-vibration damping effect.

Specifically, the side walls, facing the cushion block 3, of the two vertical rod parts 1 are respectively provided with sliding grooves 11 along the length direction, sliding blocks 12 are arranged in the sliding grooves 11, the sliding blocks 12 are connected with the corresponding end faces of the cushion block 3, the installation accuracy of the bolt body is improved, and the cushion block 3 is prevented from being twisted and separated from the connected plate spring during installation.

In particular, the elastic member 4 is a spring.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. A U-shaped bolt for fastening an automobile plate spring comprises a bolt body with a U-shaped structure, wherein the bolt body is composed of two vertical rod parts which are parallel to each other and a transverse rod part which is connected with the bottom ends of the two vertical rod parts; the vertical rod part is formed by sequentially connecting a plurality of rod sections, a threaded column is arranged in the center of the end face of one of the two adjacent rod sections, and a threaded groove matched with the threaded column in a threaded manner is formed in the end face of the other rod section; first external threads are processed on the outer walls of the rod sections on two sides of the joint of the two adjacent rod sections, and are screwed and fastened with the first external threads through nuts.

2. The U-shaped bolt for fastening the automobile plate spring as claimed in claim 1, wherein the rod section connected with the cross rod portion and the cross rod portion are integrally formed, and the joint of the rod section and the cross rod portion is in arc transition.

3. A U-bolt for fastening a leaf spring of an automobile according to claim 1, wherein a second external thread is formed on an outer wall of a rod section remote from the crossbar portion.

4. The U-shaped bolt for fastening the automobile plate spring as claimed in claim 1, wherein when the nut is installed in the first external thread, the nut is connected to the outer wall of the rod section by spot welding.

5. A U-bolt for fastening automobile plate spring according to claim 1, characterized in that said spacer is composed of an upper rubber layer and a lower steel sheet layer.

6. A U-bolt for fastening a leaf spring of an automobile according to claim 5, wherein a plurality of protrusions are formed on the top surface of the rubber layer.

7. The U-shaped bolt for fastening the automobile plate spring as claimed in claim 1, wherein the side walls of the two vertical rod parts facing the cushion block are respectively provided with a sliding groove along the length direction, the sliding grooves are internally provided with sliding blocks, and the sliding blocks are connected with the corresponding end faces of the cushion block.

8. A U-bolt for fastening a plate spring of an automobile according to claim 1, wherein said elastic member is a spring.