CN217097541U - Limiting pulling aid - Google Patents

Abstract

The application provides a spacing helps and pulls out ware, surface through helping the dead man pole body sets up the helping hand piece, effectually utilize lever principle to pull out the cardboard smoothly from quick-witted incasement under ordering about screw round axle, the problem of the integrated circuit board of cooperation chassis formula plug structure not convenient for take out among the prior art is solved, through placing helping the dead man pole body in the position that needs pull out the cardboard, torsional spring body through the torsional spring loop bar outside, effectual pivot body calliper to cooperation chassis formula curb plate of making is near, thereby increase in the structure of pulling out and play limiting displacement, the torsional spring gasket then can play absorbing effect to the pivot body when playing pulling out, it is spacing not to have solved among the prior art to help the dead man pole, take place the friction with aluminium matter casing during the shake easily, cause the casing wearing and tearing, the metal powder that the friction produced causes the problem of outward appearance quality problem and short circuit potential safety hazard.

Description

Limiting pulling aid

Technical Field

The utility model relates to a help and pull out the ware field, particularly, relate to a spacing help and pull out ware.

Background

Generally, auxiliary structures such as a pulling device and a pulling aid are needed in a board card combination form of a box type plugging structure of a matching machine, the components are pulled out from a machine box smoothly by utilizing a lever principle, the pulling aid which is widely applied at present and simple to machine and low in cost is of a single pin shaft structure and has no auxiliary limiting function, so that the pulling aid frequently shakes along with the machine box in the random vibration process, the pulling aid is not limited, friction with an aluminum shell is easy to occur during shaking, the shell is abraded, and metal powder generated by friction causes appearance quality problems and short circuit safety hazards.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: to the problem that the background art that exists at present provided, in order to realize the above-mentioned utility model purpose, the utility model provides a following technical scheme: a limiting pulling aid, which aims to improve the problems. The present application is specifically such that: include the surface of helping the dead man body is equipped with helps and pulls out the subassembly, help to pull out the subassembly and include helping hand piece, arc portion, screw circle axle, the surface of helping the dead man body is inlayed and is connected the helping hand piece, the surface of helping hand piece is inlayed and is connected the arc portion, the lower surface interlude of arc portion is connected screw circle axle, the lower surface that helps to pull out the subassembly is equipped with coupling assembling, coupling assembling's left surface is equipped with the torsional spring subassembly.

As the preferred technical scheme of this application, coupling assembling includes torsional spring cardboard, torsional spring loop bar, the lower fixed surface who helps the dead lever body is connected the torsional spring cardboard, the left surface of torsional spring cardboard is inlayed and is connected torsional spring loop bar.

As the preferred technical scheme of this application, the torsional spring loop bar is through the torsional spring cardboard with the screw circle axle is connected.

As the preferable technical scheme, the torsion spring loop bar is made of stainless steel.

As the preferred technical scheme of this application, the torsional spring subassembly includes torsional spring body, torsional spring upper portion, torsional spring lower part, torsional spring gasket, pivot body, the surface nested connection of torsional spring loop bar the torsional spring body, the connection is inlayed to the upper end of torsional spring body surface torsional spring upper portion, the connection is inlayed to the lower extreme of torsional spring body surface the torsional spring lower part, the left fixed surface of torsional spring body is connected the torsional spring gasket, the left surface of torsional spring gasket rotates to be connected the pivot body.

As the preferred technical scheme of this application, the torsional spring body is through the torsional spring gasket is fixed the surface of torsional spring loop bar, and the torsional spring body upper end torsional spring upper portion calliper is in the surface of torsional spring cardboard.

As the preferred technical scheme of this application, the torsional spring body adopts the preparation of elastic steel material to form.

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

in the scheme of the application:

1. the auxiliary force piece is arranged on the surface of the auxiliary pulling rod body, so that the clamping plate is effectively and smoothly pulled out of the case by utilizing the lever principle under the driving of the screw round shaft, and the problem that the clamping plate matched with a case type plug-in structure is inconvenient to take out in the prior art is solved;

2. through will help the dead man body to place the position that will extract the cardboard in needs, through the torsional spring body in the torsional spring loop bar outside, effectual messenger's pivot body calliper is to near cooperation chassis type curb plate, thereby increase and play limiting displacement in pulling out the structure, the torsional spring gasket then can play absorbing effect to the pivot body when playing pulling out, it does not have spacingly to have solved among the prior art help the dead man, take place easily during the shake with the friction of aluminium matter casing, cause casing wearing and tearing, the metal powder that the friction produced causes the problem of appearance quality problem and short circuit potential safety hazard.

Description of the drawings:

fig. 1 is a schematic structural view of a limiting extraction aid provided in the present application;

fig. 2 is a schematic partial structure view of the limiting extraction aid provided in the present application;

FIG. 3 is a top view of a limiting extraction aid provided herein;

FIG. 4 is a front view of the limiting extraction aid provided by the present application;

FIG. 5 is a left side view of the limiting extraction aid provided herein;

fig. 6 is a bottom view of the limiting extraction aid provided by the present application.

The following are marked in the figure:

1. a pull-out aid rod body; 2. a pull-assisting component; 201. a booster sheet; 202. an arc-shaped portion; 203. a screw circular shaft; 3. a connecting assembly; 301. a torsion spring snap-gauge; 302. a torsion spring loop bar; 4. a torsion spring assembly; 401. a torsion spring body; 4011. the upper part of the torsion spring; 4012. a lower part of the torsion spring; 402. a torsion spring spacer; 403. a rotating shaft body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them.

Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and the features and technical solutions in the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

As shown in fig. 1-6, this embodiment provides a limiting pulling aid, including the surface of pulling aid rod body 1, pulling aid assembly 2 is provided, pulling aid assembly 2 includes helping hand piece 201, arc portion 202, screw circle axle 203, the surface of pulling aid rod body is inlayed and is connected helping hand piece 201, the surface of helping hand piece 201 is inlayed and is connected arc portion 202, the lower surface of arc portion 202 alternates and is connected screw circle axle 203, the lower surface of pulling aid assembly 2 is provided with coupling assembling 3, the left surface of coupling assembling 3 is provided with torsional spring assembly 4.

In a preferred embodiment, in addition to the above-mentioned mode, the connecting assembly 3 further includes a torsion spring catch plate 301 and a torsion spring sleeve 302, the torsion spring catch plate 301 is fixedly connected to the lower surface of the assist lever body 1, and the torsion spring sleeve 302 is embedded and connected to the left surface of the torsion spring catch plate 301.

In addition to the above-described embodiments, the torsion spring sleeve 302 is preferably connected to the screw circular shaft 203 through a torsion spring catch plate 301.

In addition to the above-described embodiments, the torsion spring lever 302 is preferably made of stainless steel.

As a preferred embodiment, on the basis of the above manner, the torsion spring assembly 4 further includes a torsion spring body 401, a torsion spring upper portion 4011, a torsion spring lower portion 4012, a torsion spring spacer 402, and a rotating shaft body 403, the outer surface of the torsion spring loop bar 302 is connected to the torsion spring body 401 in an embedded manner, the upper end of the outer surface of the torsion spring body 401 is connected to the torsion spring upper portion 4011 in an embedded manner, the lower end of the outer surface of the torsion spring body 401 is connected to the torsion spring lower portion 4012 in an embedded manner, the left surface of the torsion spring body 401 is fixedly connected to the torsion spring spacer 402, and the left surface of the torsion spring spacer 402 is rotatably connected to the rotating shaft body 403.

In addition to the above-mentioned manner, the torsion spring body 401 is further fixed to the outer surface of the torsion spring sleeve 302 by the torsion spring washer 402, and the upper torsion spring portion 4011 at the upper end of the torsion spring body 401 clamps the surface of the torsion spring catch plate 301.

In a preferred embodiment, in addition to the above-described embodiment, the torsion spring body 401 is further made of an elastic steel material.

When in use: firstly, a torsion spring loop bar 302 needs to be placed at the side of a torsion spring clamping plate 301, the torsion spring loop bar 302 is fixed by penetrating the torsion spring clamping plate 301 through a screw round shaft 203, meanwhile, a torsion spring body 401 is nested at the outer side of the torsion spring loop bar 302, the upper part 401 of a torsion spring at the upper end of the torsion spring body 401 is clamped to the surface of the torsion spring clamping plate 301, secondly, a pulling-assistant rod body 1 needs to be placed at a position where the clamping plate needs to be pulled out, and a rotating shaft body 403 can clamp the clamping plate to the vicinity of an inner side plate under the driving of the elasticity of the torsion spring body 401, so that the swinging of the pulling-assistant device body 1 is effectively limited, the phenomenon that the pulling-assistant device body 1 rubs with an aluminum shell due to shaking when the clamping plate is pulled out, not only the shell is abraded, but also the appearance quality is reduced and the short circuit is caused by metal powder generated by the friction is avoided, and finally, the pulling-up of the pulling-assistant device body 1, the clamping plate is effectively pulled out from a case smoothly by utilizing the lever principle under the driving of the screw round shaft 203, the torsion spring washer 402 can play a role in damping the rotating shaft body 401 when the rotating shaft body is pulled up, so that the rotating shaft body 401 is prevented from being damaged.

In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the utility model is usually placed when using, or the orientation or position relationship that the skilled person usually understands, and such terms are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all the technical solutions and modifications without departing from the spirit and scope of the present invention are covered by the claims of the present invention.

Claims (7)

1. The utility model provides a spacing helps and pulls out ware, is including helping pull out pole body (1), its characterized in that, the surface that helps pull out pole body (1) is equipped with helps and pulls out subassembly (2), help to pull out subassembly (2) including helping hand piece (201), arc portion (202), screw circle axle (203), the connection is inlayed to the surface that helps pull out the pole body helping hand piece (201), the connection is inlayed to the surface of helping hand piece (201) arc portion (202), the lower surface of arc portion (202) alternates to be connected screw circle axle (203), the lower surface that helps to pull out subassembly (2) is equipped with coupling assembling (3), the left surface of coupling assembling (3) is equipped with torsional spring subassembly (4).

2. The limiting extraction aid according to claim 1, wherein the connecting assembly (3) comprises a torsion spring clamping plate (301) and a torsion spring sleeve rod (302), the lower surface of the extraction aid rod body (1) is fixedly connected with the torsion spring clamping plate (301), and the left surface of the torsion spring clamping plate (301) is connected with the torsion spring sleeve rod (302) in an embedded manner.

3. A limiting extraction aid according to claim 2, characterized in that the torsion spring sleeve rod (302) is connected with the screw round shaft (203) through the torsion spring clamping plate (301).

4. The limit pull-aid according to claim 3, wherein the torsion spring loop bar (302) is made of stainless steel.

5. The limiting extraction aid according to claim 2, wherein the torsion spring assembly (4) comprises a torsion spring body (401), an upper torsion spring portion (4011), a lower torsion spring portion (4012), a torsion spring gasket (402) and a rotating shaft body (403), the outer surface of the torsion spring loop bar (302) is connected with the torsion spring body (401) in a nested manner, the upper end of the outer surface of the torsion spring body (401) is connected with the upper torsion spring portion (4011) in an embedded manner, the lower end of the outer surface of the torsion spring body (401) is connected with the lower torsion spring portion (4012) in an embedded manner, the left surface of the torsion spring body (401) is fixedly connected with the torsion spring gasket (402), and the left surface of the torsion spring gasket (402) is rotatably connected with the rotating shaft body (403).

6. The spacing extraction aid of claim 5, characterized in that the torsion spring body (401) is fixed on the outer surface of the torsion spring loop bar (302) through the torsion spring washer (402), and the upper torsion spring portion (4011) of the upper end of the torsion spring body (401) is clamped on the surface of the torsion spring clamping plate (301).

7. The limiting extraction aid according to claim 6, wherein the torsion spring body (401) is made of elastic steel.

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