CN209548117U

CN209548117U - A kind of open-type correction tension spring

Info

Publication number: CN209548117U
Application number: CN201821242742.5U
Authority: CN
Inventors: 田野
Original assignee: Ningbo Beilun Tong Ce Stomatological Hospital Ltd
Current assignee: Ningbo stomatological hospital group Beilun hospital Co.,Ltd.
Priority date: 2018-08-03
Filing date: 2018-08-03
Publication date: 2019-10-29
Anticipated expiration: 2028-08-03

Abstract

The utility model discloses a kind of open-types to correct tension spring, hook portion including intermediate elastic part and both ends, the hook portion is mounted in the elastic part, the elastic part is alternately made of several section spiral lines and several segments bending line, the outermost end endpoint of all bending lines positioned at left side and spacing between the outermost end endpoint of the corresponding bending line on right side are equal, form the breach that can be included in middleware；The advantage is that: being provided with breach, can use this structure, the application be included in middleware, that is to say, that in the case where not removing middleware, be free to installation, disassembly or replacement the application structure spring, with this come achieve the purpose that adjust pulling force.

Description

A kind of open-type correction tension spring

Technical field

The utility model relates to auxiliary tools used in a kind of operation on oral cavity；Specifically a kind of open-type corrects tension spring.

Background technique

Most springs require to be fixed on a middleware, and middleware is bar, line or set etc., and spring is made to work When, there can be a guiding, and not easy to fall off；This structure generally uses in the industry.

In dentistry, intermediate bar is to be generally arch wire or casing；After the tooth being corrected is subjected to displacement, originally fit The pulling force of conjunction can become smaller, and the spring for generating pulling force just needs to be adjusted, and existing spring adjustment mode is more time-consuming, preceding It can also directly be truncated in the oral cavity several times or to spring local deformation, arch wire apparatus for correcting will be removed within every one or two months, so Replace spring again afterwards.

Utility model content

The utility model can not remove whole devices according to pulling force needs in view of the shortcomings of the prior art, providing one kind Under conditions of, a kind of open-type that can freely replace halfway corrects tension spring.

In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals: a kind of open-type is strong Positive tension spring, the hook portion including intermediate elastic part and both ends, the hook portion are mounted in the elastic part, the elastic part It is alternately made of several section spiral lines and several segments bending line, the outermost end endpoint of all bending lines positioned at left side and position Spacing between the outermost end endpoint of the corresponding bending line on right side is equal, and forming one can be included in middleware Breach.

The line of the outermost end endpoint of all bending lines positioned at left side is parallel with axis, all positioned at right side The line of the outermost end endpoint of the bending line is parallel with axis, and the breach is parallel with axis.

The line of the outermost end endpoint of all bending lines positioned at left side is helically linear by middle line of axis, owns Line positioned at the outermost end endpoint of the bending line on right side is helically linear by middle line of axis, the breach helically line Shape.

The bending line is V-shaped, U-shaped or front end are linearly.

The hook portion is thin type casting, including foreskin portion and hook portion, the foreskin portion are wrapped in the elastic part.

Foreskin portion complete cycle is wrapped on the end of the elastic part；Or partly enclose the end of elastic part, notch with Breach is located at same direction.

The hook portion is the intermediate plate for having hole, surrounding closed, or intermediate is hole, the plate of single-open.

The utility model compared with prior art, has the following beneficial effects: and is provided with breach, can use this structure, The application is included in middleware, that is to say, that in the case where not removing middleware, be free to installation, disassembly or replacement The spring of the application structure, with this come achieve the purpose that adjust pulling force.

Detailed description of the invention

Fig. 1 is the structure chart of utility model embodiment one.

Fig. 2 is the structure chart of utility model embodiment two.

Fig. 3 is the structure chart of utility model embodiment three.

Fig. 4 is the structure chart of utility model example IV.

Fig. 5 is the working principle diagram of the utility model embodiment.

Fig. 6 is the usage state diagram of the utility model embodiment.

Specific embodiment

The utility model is described in further detail with specific embodiment with reference to the accompanying drawing: as shown in figures 1 to 6, mark It infuses as follows: elastic part 1, hook portion 2, helix 11, bending line 12, outermost end endpoint 13, breach 14, foreskin portion 21, hook portion 22, notch 23, middleware 3.

A kind of open-type correction tension spring, the hook portion 2 including intermediate elastic part 1 and both ends, hook portion is mounted on elastic force In portion, elastic part is alternately made of multistage helix 11 and multistage bending line 12, the outermost end of all bending lines positioned at left side Endpoint 13 and spacing between the outermost end endpoint of the corresponding bending line on right side are equal, and forming one can receive The breach 14 for entering middleware 3, can be convenient disassembly, as shown in Figure 5.

The line of the outermost end endpoint of all bending lines positioned at left side is parallel with axis, all bendings positioned at right side The line of the outermost end endpoint of line is parallel with axis, and breach is parallel with axis；Bending line is V-shaped, U-shaped or front end are linear Shape.

As deformation, the line of the outermost end endpoint of all bending lines positioned at left side is using axis as middle line helically line The line of shape, the outermost end endpoint of all bending lines positioned at right side is helically linear by middle line of axis, breach helically line Shape, as shown in Figure 4；Its use state is as shown in fig. 6, there are certain angles with breach in middleware, it is not easy to fall off.

Hook portion is thin type casting, including foreskin portion 21 and hook portion 22, foreskin portion are wrapped in elastic part.Foreskin portion is whole Week is wrapped on the end of elastic part, as shown in Figure 2；Or the end of elastic part is partly enclose, notch 23 is located at same with breach Direction, as shown in Figure 1；Hook portion is the intermediate plate for having hole, surrounding closed, or intermediate is hole, the plate of single-open, such as Shown in Fig. 3 and Fig. 4.

Claims

1. a kind of open-type corrects tension spring, it is characterised in that: the hook portion (2) including intermediate elastic part (1) and both ends, it is described Hook portion is mounted in the elastic part, and the elastic part is by several section spiral lines (11) and several segments bending line (12) alternate group At, the outermost end endpoint (13) of all bending lines positioned at left side and positioned at right side corresponding bending line most Spacing between the endpoint of outer end is equal, forms the breach (14) that can be included in middleware.

2. a kind of open-type as described in claim 1 corrects tension spring, it is characterised in that: all bending lines positioned at left side Outermost end endpoint line it is parallel with axis, the line and axis of the outermost end endpoint of all bending lines positioned at right side Line is parallel, and the breach is parallel with axis.

3. a kind of open-type as described in claim 1 corrects tension spring, it is characterised in that: all bending lines positioned at left side Outermost end endpoint line it is helically linear by middle line of axis, the outermost end endpoint of all bending lines positioned at right side Line it is helically linear by middle line of axis, the breach is helically linear.

4. a kind of open-type corrects tension spring as claimed in claim 2 or claim 3, it is characterised in that: the bending line is V-shaped, U-shaped or Front end is linearly.

5. a kind of open-type as claimed in claim 4 corrects tension spring, it is characterised in that: the hook portion is thin type casting, packet Foreskin portion (21) and hook portion (22) are included, the foreskin portion is wrapped in the elastic part.

6. a kind of open-type as claimed in claim 5 corrects tension spring, it is characterised in that: foreskin portion complete cycle is wrapped in described On the end of elastic part；Or the end of elastic part is partly enclose, notch (23) and breach are located at same direction.

7. a kind of open-type as claimed in claim 6 corrects tension spring, it is characterised in that: the hook portion is that centre has hole, four All closed plates, or intermediate is hole, the plate of single-open.