CN218718375U

CN218718375U - Tension spring with protective sleeve at hook

Info

Publication number: CN218718375U
Application number: CN202221297829.9U
Authority: CN
Inventors: 王安英; 姜明权
Original assignee: Tianjin Zhaoyida Hardware Products Co ltd
Current assignee: Tianjin Zhaoyida Hardware Products Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2023-03-24
Anticipated expiration: 2032-05-26

Abstract

The utility model belongs to the technical field of tension spring technique and specifically relates to a hook department has tension spring of lag, including tension spring, knee and welding piece, the equal fixedly connected with knee in tension spring both ends, the first round and the second circle at tension spring both ends are in the same place through welding piece fixed connection, the first round difference fixedly connected with second protective housing and first protective housing in tension spring both ends, the fixedly connected with rubber antiskid cover in knee bending department, spacing hole has all been seted up on knee and the rubber antiskid cover, the spacing groove has been seted up to the knee intermediate position, the spacing inslot side is equipped with the elasticity gag lever post, the utility model discloses in, through knee, spacing hole, elasticity gag lever post and the rubber antiskid cover that set up for the device can prevent when the installation of being convenient for in the actual in-process that uses and the work piece break away from, with the problem that the work piece breaks away from easily in solving original device trouble problem of installation in the actual use and use.

Description

Tension spring with protective sleeve at hook

Technical Field

The utility model relates to a tension spring technical field specifically is a hook department has tension spring of lag.

Background

Tension springs, called tension springs for short, are helical springs bearing axial tension, the tension springs are generally made of round section materials, when the tension springs do not bear load, rings of the tension springs are generally parallel and tight without gaps, the application of the tension springs with protective sleeves at hooks is increasingly wide, and therefore, the demand for the tension springs with protective sleeves at hooks is increasing day by day.

Most tension spring is not convenient for pull the position at tension spring both ends at the in-process of installation on the market, leads to the installation comparatively troublesome, and tension spring crotch department does not have the setting of antiskid and protection moreover, separates with the work piece at the in-process that uses easily, consequently, proposes a tension spring that crotch department has the lag to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hook department has tension spring of lag, can prevent when making it can be convenient for the installation that the in-process and the work piece that use from separately.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a hook department has tension spring of lag, includes tension spring, knee and welding piece, the equal fixedly connected with knee in tension spring both ends, the first round and the second circle at tension spring both ends pass through welding piece fixed connection and are in the same place, the first round difference fixedly connected with second protecting sheathing and first protecting sheathing in tension spring both ends, the fixedly connected with rubber antiskid cover in knee department of buckling, spacing hole has all been seted up on knee and the rubber antiskid cover, the spacing groove has been seted up to the knee intermediate position, the spacing inslot side is equipped with the elasticity gag lever post.

Preferably, the number of the bent rods is two, the bent rods are arranged in a J shape, and the positions of the top ends of the bent rods are rotatably connected with the elastic limiting rods.

Preferably, first protective housing and second protective housing are coaxial setting, first protective housing and second protective housing sliding connection together, first protective housing sets up the position in the second protective housing outside.

Preferably, the limiting hole formed in the inner side of the bent rod and the limiting hole formed in the inner side of the rubber anti-slip sleeve are coaxially arranged.

Preferably, the inner side of the bending position of the bent rod is connected with a workpiece through a rubber anti-slip sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the device can be prevented from being separated from the workpiece in the using process while being actually convenient to install through the arranged bent rod, the limiting hole, the elastic limiting rod and the rubber anti-slip sleeve, so as to solve the problems that the original device is troublesome to install in the actual using process and is easy to separate from the workpiece in the using process;

2. the utility model discloses in, through first protective housing, second protective housing and the welding piece that sets up for the device can prevent effectively when stability is better in the use of reality that the in-process tension spring clamp of installation from hindering the installer, with the problem that the solution extension spring appears pressing from both sides and hinders the installer at the in-process of installation.

Drawings

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

fig. 2 is a schematic structural diagram of a portion a in fig. 1 according to the present invention.

In the figure: 1-tension spring, 2-bent rod, 3-welding block, 4-first protective shell, 5-second protective shell, 6-limiting groove, 7-elastic limiting rod, 8-rubber anti-slip sleeve, 9-limiting hole and 10-workpiece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a hook department has tension spring of lag, including tension spring 1, knee 2 and welding piece 3, the equal fixedly connected with knee 2 in tension spring 1 both ends, the first round and the second circle at tension spring 1 both ends pass through welding piece 3 fixed connection and are in the same place, the first round difference fixedly connected with second protecting sheathing 5 and first protecting sheathing 4 in tension spring 1 both ends, 2 fixedly connected with rubber antiskid cover 8 in knee bending department, spacing hole 9 has all been seted up on knee 2 and the rubber antiskid cover 8, spacing groove 6 has been seted up to 2 intermediate positions of knee, 6 inboards in spacing groove are equipped with elasticity gag lever post 7.

The number of the bent rods 2 is two, the bent rods 2 are arranged in a J shape, the positions of the top ends of the bent rods 2 are rotatably connected with the elastic limiting rod 7, and the workpiece 10 connected with the inner part of the bent rod 2 arranged on the tension spring 1 can be stably limited in the installation and use process of the tension spring 1; the first protective shell 4 and the second protective shell 5 are coaxially arranged, the first protective shell 4 and the second protective shell 5 are connected together in a sliding mode, the first protective shell 4 is arranged at the position on the outer side of the second protective shell 5, and the connection stability between the first protective shell 4 and the second protective shell 5 can be improved; the limiting hole 9 formed in the inner side of the bent rod 2 and the limiting hole 9 formed in the inner side of the rubber anti-slip sleeve 8 are coaxially arranged, so that the tension spring 1 can be conveniently pulled to be connected with a workpiece 10; the inner side of the bending position of the bending rod 2 is connected with a workpiece 10 through a rubber anti-slip sleeve 8, so that the stability of the tension spring 1 in the installation and use process can be effectively improved in the actual use process.

The working process is as follows: in the process of installing and using a tension spring with a protective sleeve at a hook, firstly, a worker needs to take out an elastic limiting rod 7 from a limiting groove 6, then, the worker needs to connect the position of one end of the tension spring 1 with a workpiece 10, after the installation is completed, the workpiece 10 is limited through the arranged elastic limiting rod 7, the arrangement can effectively prevent the situation that the workpiece 10 and the bent rod 2 are slipped and separated from each other in the actual using process, then, the worker needs to use a tool to insert into a limiting hole 9 formed in the inner side of the bent rod 2 arranged at the other end of the tension spring 1 to pull the tension spring 1 so that the tension spring 1 is connected with other workpieces 10 and limited through the elastic limiting rod 7, the installation of the tension spring 1 is completed, the arrangement can improve the convenience of installation through the arranged limiting hole 9, the whole device can shield the tension spring 1 in the actual using process through a first protective shell 4 and a second protective shell 5 which are arranged, the arrangement can effectively prevent the tension spring 1 from being damaged in the process of installing the tension spring, the arrangement can ensure that the protection of the tension spring 1 and the protection block can be widely connected with the protection block through the protection block 3 and the protection block, and the protection block can be widely used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hook department has tension spring of lag, includes tension spring (1), crotch (2) and welding piece (3), its characterized in that: the anti-skidding type elastic limiting rod is characterized in that a bent rod (2) is fixedly connected to two ends of a tension spring (1), a first ring and a second ring at two ends of the tension spring (1) are fixedly connected together through a welding block (3), the first ring at two ends of the tension spring (1) is fixedly connected with a second protective shell (5) and a first protective shell (4) respectively, a rubber antiskid sleeve (8) is fixedly connected to the bent rod (2) at a buckling position, a limiting hole (9) is formed in each of the bent rod (2) and the rubber antiskid sleeve (8), a limiting groove (6) is formed in the middle of the bent rod (2), and an elastic limiting rod (7) is arranged on the inner side of the limiting groove (6).

2. A tension spring with a protective cover at the hook according to claim 1, wherein: the number of the bent rods (2) is two, the bent rods (2) are arranged in a J shape, and the positions of the tops of the bent rods (2) are rotationally connected with the elastic limiting rods (7).

3. A tension spring with a protective cover at the hook according to claim 1, wherein: first protective housing (4) and second protective housing (5) are coaxial setting, first protective housing (4) and second protective housing (5) sliding connection are in the same place, first protective housing (4) sets up the position in second protective housing (5) outside.

4. The tension spring with a protective cover at the hook according to claim 1, wherein: the limiting hole (9) formed in the inner side of the bent rod (2) and the limiting hole (9) formed in the inner side of the rubber anti-slip sleeve (8) are coaxially arranged.

5. The tension spring with a protective cover at the hook according to claim 1, wherein: the inner side of the bending position of the bending rod (2) is connected with a workpiece (10) through a rubber anti-skidding sleeve (8).