CN201502603U

CN201502603U - Improved structure of floating spring screw

Info

Publication number: CN201502603U
Application number: CN2009201783126U
Authority: CN
Inventors: 张义文
Original assignee: YUXIANG PRECISION ENTERPRISE CO Ltd
Current assignee: YUXIANG PRECISION ENTERPRISE CO Ltd
Priority date: 2009-09-15
Filing date: 2009-09-15
Publication date: 2010-06-09
Anticipated expiration: 2019-09-15

Abstract

The utility model provides an improved structure of a floating spring screw, which comprises a screw main body, a hollow external plastic part, a spring and a sleeve, and is characterized in that a barb is arranged at the connection section of the head part and the screwed part of the screw main body, the spring penetrates the screwed part, the head part is covered by the external plastic part formed through integral injection, a sleeve is embedded in the external plastic part and is provided with an opening having a linear ditch at one end, and the sleeve with the linear ditch is opened by driving the barb of the screw main body into the sleeve, so that the barb of the screw main body and the corresponding barb in the inner ring of the sleeve are clamped together and prevented from separating and falling off; and a propping and supporting part capable of propping and supporting one end of the spring is formed in the outer ring of the sleeve, the other end of the spring is fixed in a gap between the head part of the screw main body and the inner edge of the external plastic part, and the spring is compressed between the head part of screw main body through the propping and supporting part of the sleeve, so that the screw has the floating displacement effect by virtue of the spring.

Description

The structure-improved of floating spring screw

Technical field

The utility model relates to a kind of Spring screws structure, and particularly a kind of processing procedure is simple and easy, be beneficial to volume production and the structure-improved of the floating spring screw that effectively reduces production costs.

Background technique

Early stage Spring screws, its structure are that a screw directly wears in conjunction with a spring, make the screw can be more firm when the screw lock with this, to obtain preferable screw lock effect.

Because this Spring screws, spring directly is sheathed on the screw, and there is no any fixing means, thus when the screw lock screw, cause the screw lock deleterious easily because of spring is crooked, and then influence product function.

To this, then industry improved, and the product that will pay with Spring screws lock, the screw that is designed to itself have the groove pattern uses with screw lock corresponding and that be beneficial to Spring screws.Yet this way, but directly cause the inconvenience of the complexity and the course of working of this body structure of product, raise the cost indirectly.

The novel patent of TaiWan, China has been checked and approved M332118 number " improved type lockup device " (case one before calling in the following text) of bulletin and has been announced M301292 number " Spring screws structure " (case two before calling in the following text) two patents elder generation case for another example, wherein preceding case one discloses the sheathed elastic component in a locking unit, utilize again in a sleeve is fixed in this elastic component, so just, it is crooked to avoid elastic component to produce, and makes this locking unit have preferable stability on using; Second preceding case has disclosed a turnbuckle and has been provided with a spring, interior pipe and fixed tube that a sheathed again internal diameter is different, outside screw, cover coloured cover again, so the Spring screws that constitutes is when using, coating spring, fixed tube by interior pipe is avoided spring crooked and make this locking unit have the effect of preferable stability in use by the look cover in conjunction with coating, reaching equally.

These two kinds of Spring screwses are quite convenient in the use, and form very similar, especially the spare part of all formation unit is all assembled after the manufacturing processing out of the ordinary again, so the practice is when depressed now, under the situation that various costs of material, purchase cost, personnel costs, inventory cost etc. all make every effort to reduce, seemingly run in the opposite direction; Secondly, the spare part of this Spring screws is many, and it is longer to expend process time naturally in assembling, and part is less also can cause being not easy and influencing volume production efficient in the assembling, and then causes quality can't keep well.

Thus, the utility model designer forms at the structure of aforementioned Spring screws commonly used, have and make and assemble first-class flaw,, study and development and Design goes out the utility model " structure-improved of floating spring screw " through long-term effort so deeply conceive the also road of active research improvement.

Summary of the invention

The purpose of this utility model is to provide a kind of structure-improved of floating spring screw, reaches the essence effect that processing procedure is simple and easy, be beneficial to volume production and can effectively reduce production costs and increase economic efficiency with this.

For reaching above-mentioned purpose, the utility model provides a kind of structure-improved of floating spring screw, and the composition of this floating spring screw includes the screw main body, is outer working of plastics, spring and the sleeve of hollow; Wherein:

This screw main body comprise a head with from the vertically extending screwing part of this head one side, head and and screwing part between linkage section establish an overhead kick, this screwing part wears spring, this head is covered with to adopt and penetrates integrated outer working of plastics, and in outer working of plastics, be equipped with the sleeve that an end opening is the yi word pattern ditch, and utilize the overhead kick of screw main body, be forced into the yi word pattern ditch that struts sleeve, the overhead kick and the corresponding overhead kick of the interior ring of sleeve of screw main body are fastened, come off to prevent to separate, and establish in the sleeve outer shroud and to have the supporting part that is used to support spring one end, and the other end of spring is fixed in gap between the head of screw main body and the outer working of plastics inner edge, support head by the supporting part pressure spring of sleeve, make this composition reach screw with this spring action and have the floating displacement effect as for the screw main body.

In addition, spring can be hedged off from the outer world effectively, avoids suffering external force or other factors causes crooked or damage situation, and reaches and simplify and simply make up effect most, and can increase the service life.The structure-improved of this floating spring screw real with reach processing procedure simple and easy, be beneficial to volume production, reducing production costs etc. meets the characteristic of economic benefit, and significantly promotes its production capacity and industrial utilization.

Description of drawings

Fig. 1 is the whole exploded view of the Spring screws of the utility model one preferred embodiment;

Fig. 2 is the Spring screws entire combination figure of the utility model one preferred embodiment;

Fig. 3 is the whole sectional view of the Spring screws of the utility model one preferred embodiment.

Description of reference numerals: 1-screw main body; The 10-head; The 11-screwing part; The 12-linkage section; The 121-overhead kick; The 2-spring; The outer working of plastics of 3-; The 30-rib; The 4-sleeve; 40-yi word pattern ditch; The 41-overhead kick; The 42-supporting part.

Embodiment

Please cooperate consult shown in Figure 1, the structure-improved of the utility model floating spring screw, wherein the composition of this floating spring screw includes:

One screw main body 1, with general known suitable, include the head 10 that coincide with the screw lock instrument with from the vertically extending screwing part 11 of these head 10 one sides, keep one section threadless linkage section 12 at

head

10 and 11 of screwing parts, and be equipped with an overhead kick 121 in this linkage section 12, and a spring 2 is arranged, be sheathed on the screwing part 11 of screw main body 1.

One outer working of plastics 3 is the hollow pattern, adopt to penetrate that one-body molded mode is made and an end ring is overlying on the head 10 of screw main body 1, and the other end is open pattern, and in the be periphery rib 30 of anti-skidding usefulness of side face.

One sleeve 4 is the hollow tube pattern, and the one end is provided with opening, the other end opening is provided with yi word pattern ditch 40, the its inner rim face is equipped with overhead kick 41, and is integrally formed with the supporting part 42 that can support spring 2 in these sleeve 4 outer edge surfaces, and this sleeve 4 is embedded in the outer working of plastics 3.

See also Fig. 2, shown in Figure 3, by above-mentioned all unit, when implementing to form, be head 10 combinations of this screw main body 1 to be adopted penetrate integrated outer working of plastics 3, and in the screwing part 11 sheathed springs 2 of screw main body 1, when then this sleeve 4 being combined with screw main body 1, and the overhead kick 121 of screw main body 1 is forced into struts sleeve 4 with yi word pattern ditch 40, utilize the overhead kick 41 of this sleeve 4 to reach the effect of fastening, come off to prevent to separate with the 1 corresponding overhead kick 121 of screw main body; Establish by sleeve 4 outer shrouds again and have the supporting part 42 that can support spring 2 one ends, and the other end of spring 2 is fixed in gap between the head 10 of screw main body 1 and outer working of plastics 3 inner edges, and support head 10 as for screw main body 1 by supporting part 42 pressure springs 2 of sleeve 4, make this composition reach screw with these spring 2 effects and have the floating displacement effect.

Structure-improved according to above-mentioned floating spring screw, the special improvement benefit that proposes is when this sleeve 4 is forced into screw main body 1 on actual assembled, yi word pattern ditch 40 structural designs by this sleeve 4, appropriateness struts can to make opening slightly have flexibly, and makes can not injure overhead kick 121 and overhead kick 41 when this sleeve 4 is forced into screw main body 1; Other effect is that this supporting part 42 these springs 2 of compression by these sleeve 4 one are between the head 10 of screw main body 1, and working of plastics 3 coats in addition, screw after this order is formed has the floating displacement effect, and because of spring 2 is coated in the outer working of plastics 3 fully, therefore can be hedged off from the outer world effectively, avoid suffering external force or other factors causes crooked or damage situation, and reach and simplify and simply make up effect most, and can increase the service life.The structure-improved of this floating spring screw real with reach processing procedure simple and easy, be beneficial to volume production, reducing production costs etc. meets the characteristic of economic benefit, and significantly promotes its production capacity and industrial utilization.

More than be illustrative to description of the present utility model; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it within spirit that claim limits and scope, but they will fall in the protection domain of the present utility model all.

Claims

1. the structure-improved of a floating spring screw, the composition of this floating spring screw includes the screw main body, is outer working of plastics, spring and the sleeve of hollow; It is characterized in that:

This screw main body comprise a head with from the vertically extending screwing part of this head one side, head and and screwing part between linkage section establish an overhead kick, this screwing part wears spring, this head is covered with to adopt and penetrates integrated outer working of plastics, and in outer working of plastics, be equipped with the sleeve that an end opening is the yi word pattern ditch, and utilize the overhead kick of screw main body, be forced into the yi word pattern ditch that struts sleeve, the overhead kick and the corresponding overhead kick of the interior ring of sleeve of screw main body are fastened, and establish in the sleeve outer shroud and to have the supporting part that is used to support spring one end, and the other end of spring is fixed in gap between the head of screw main body and the outer working of plastics inner edge, support head by the supporting part pressure spring of sleeve as for the screw main body.