CN2916033Y

CN2916033Y - One-way handle spring structure

Info

Publication number: CN2916033Y
Application number: CN 200620103370
Authority: CN
Inventors: 杨吉安; 殷雄雄; 江辉章
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-09
Filing date: 2006-05-09
Publication date: 2007-06-27
Anticipated expiration: 2016-05-09

Abstract

A one-way handle spring structure includes a handle, a built-in fitment and a spring. The built-in fitment is provided with a support part and provided with a guide component. The guide component is provided with an arc shape guide component arranged in axial symmetry. The axial part of the handle penetrates the rotating hole of the built-in fitment ands extending part is provided with a support component. The outside of the support component is provided with an axial direction locating component. The spring relates to a compression spring which jackets to the guide part of the guide component. Two ends of the compression spring contact respectively with the support component and the support part of the built-in fitment. Wherein, a movable contact component is arranged on the support component and a fixed locating structure corresponding to the movable contact part is positioned on the built-in fitment or guide component. This structure is provide with a compression spring instead of a torsion spring which can maintain the handle at a proper location for a long time and the handle turns to limiting position only when the spring is completely compressed. relates to a buffer process which has small collision and can guarantee the firmness of the forced part effectively.

Description

Unidirectional handle elastic structure

Technical field

The utility model relates to a kind of door latch structure, specifically the unidirectional handle elastic structure of handle-door lock.

Background technology

Existing door lock, for convenience in indoor unlatching, the common handle that is connected with the lock structure of door lock in the door installed inside, and for make handle keep (normally hand being held the parts transversely setting) in place and rotate after reset, handle is provided with elastic component, common in the market elastic structure is to be with torsion spring on the axial region of handle, the two ends of torsion spring are supported on handle and fixture (limiting the limited post of handle slewing area as being used on the panel) respectively, but in use because torsion spring is yielding, it is sagging and depart from suitable position to cause hand to hold part; And limited post is subjected to handle direct bump repeatedly when restriction handle slewing area, and is loosening easily.

The utility model content

The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome easy deviation position of handle and the easily loosening defective of restriction post that prior art exists, and a kind of unidirectional handle elastic structure of new structure is provided.For this reason, the utility model is by the following technical solutions:

Unidirectional handle elastic structure, comprise handle, fixture and spring, described handle has an axial region, described fixture is provided with the commentaries on classics hole that cooperates with described handle axial region, it is characterized in that described fixture is provided with the support portion and guide is installed, an arcuation guide part that is provided with axisymmetricly is set on the described guide; The axial region of described handle penetrates the commentaries on classics hole on the described fixture, and its extension is equipped with support member, and the outside installation shaft of support member is to keeper; Described spring is the compression spring, and it is enclosed within on the guide part of described guide, and conflict respectively on the support portion of described support member and described fixture in the two ends of compression spring, wherein; Described support member is provided with movable contact segment, and described fixture or guide are provided with and the corresponding fixing and limiting structure of described movable contact segment.

As the further of technique scheme improved and replenish, the utility model also comprises following additional technical feature:

Described fixture is provided with as the flanging of support portion and movable contact segment and locator protrusions, offers installing hole on the flanging; Offer locating hole on the described guide, the extension of its guide part extends in this installing hole, and described locator protrusions is positioned at described locating hole.

Described guide is a flat member, offers locating slot and the through hole corresponding with the axial region of described handle on it, and described fixture is provided with the reference column corresponding with described locating slot.

Offer axial groove on the axial region of described handle, described support member is one to offer the member of through hole, and its hole portion is provided with the protuberance corresponding with described axial groove.

Described support member comprises body and from the folding part of body to a lateral buckling, an end of described compression spring is conflicted simultaneously on its body and folding part.

Described axial location part is the axle snap ring.

The utility model is by substituting torsion spring with compression spring, and conflicted respectively on the support portion of support member and fixture in two ends because its force-bearing situation is good than torsion spring, therefore in use can be permanent handle is kept in place; In addition, be that decrement by compression spring realizes this programme spacing, promptly when compression spring is compressed fully, handle just goes to its extreme position, and the process that reaches the limit of the position has a buffering course, impacts lessly, can effectively guarantee the fastness of force part.

Description of drawings

Fig. 1 a is a structural representation of the present utility model, shows a position of handle.

Fig. 1 b is that the K-K of Fig. 1 a is to sectional view.

Fig. 2 shows another position of the handle of structure shown in Fig. 1 a, the 1b.

Fig. 3 a is the structural representation of the related handle of the utility model.

Fig. 3 b is the left view of Fig. 3 a.

Fig. 4 a is the structural representation of the related decorative panel of the utility model.

Fig. 4 b is that the A-A of Fig. 4 a is to sectional view.

Fig. 5 a is the structural representation of the related fixture of the utility model.

Fig. 5 b is that the B-B of Fig. 5 a is to sectional view.

Fig. 6 a is the structural representation of the related support member of the utility model.

Fig. 6 b is that the C-C of Fig. 6 a is to sectional view.

Fig. 7 is the structural representation of the related guide of the utility model.

The specific embodiment

Shown in Fig. 1 a, 1b, this unidirectional handle elastic structure comprises handle 4, fixture 3, decorative panel 1, guide 2, spring 7, support member 6 and axle snap ring 5, wherein:

Shown in Fig. 3 a, 3b, handle 4 has to be held on the other hand portion 41 and roughly holds the vertical axial region 42 of portion 41 with hand, offer on the axial region 42 and be used for the axial square hole 45 that is connected with the lock structure of door lock, also offer two axial grooves 43, the position of closing on end face at axial region offers ring-type draw-in groove 44.

Shown in Fig. 5 a, 5b, fixture 3 is tabular for body is roughly has the member that changes hole 32, changes 32 places, hole and also is provided with draw-in groove 36, is provided with flanging 34 as the support portion from the body lower end to a side, offers installing hole 35 on the flanging 34; Homonymy at flanging 34 is provided with locator protrusions 31 and reference column 33;

Shown in Fig. 4 a, 4b, decorative panel 1 has the through hole 11 of an approximate plum blossom shape, and the inner edge of through hole is provided with four folding parts 12.

As shown in Figure 7, guide 2 is a flat member, offers locating slot 24, locating hole 21 and the through hole 22 corresponding with the axial region 42 of handle on it, and an arcuation guide part 23 is set on the guide 2, and the upper end of guide 2 also is provided with fixing and limiting structure 25.

Shown in Fig. 6 a, 6b, support member 6 is one to offer the member of through hole 61, comprises body and from the folding part 62 as support portion and movable contact segment of body to a lateral buckling, and its hole portion is provided with the protuberance 63 corresponding with described axial groove 43.

Spring 7 is a compression spring; Axle is the member commonly used of axial location part with snap ring 5, does not do at this and gives unnecessary details.

Above-mentioned member is assembled together by following manner, shown in Fig. 1 a, 1b:

Fixture 3 is fitted in decorative panel 1 one sides, and four folding parts 12 of decorative panel 1 through hole 11 inner edges are stuck in the draw-in groove 36 of fixture, through to through hole outside, bending fixture 3 is fixed on the decorative panel 1 (in this sense, as long as can realize on the technology, fixture and decorative panel can be the structures of one, and split setting herein is for the ease of processing); Two compression springs 7 are enclosed within on the guide part 23 of guide, and the extension of the guide part of guide then inserts 35 li of the installing holes of fixture folding part, and locator protrusions 31 is positioned at locating hole 21 simultaneously, and reference column 33 is positioned at locating slot 24; The body of support member 6 and folding part lay respectively at the both sides of guide 2; And the through hole 61 of the through hole 22 of guide, the commentaries on classics hole 32 of fixture and support member corresponds to each other; The axial region 42 of handle passes the through hole 61 of the through hole 22 of commentaries on classics hole 32, guide of fixture and support member successively and exposes ring-type draw-in groove 44 from the outside of decorative panel 1, and the protuberance 63 of support member 6 is positioned at the axial groove 43 of handle axial region 42; It is interior and guide 2, support member 6 are limited on the axial region 42 of handle that axle is stuck in ring-type draw-in groove 43 with snap ring 5; Then conflict respectively on the support portion 34 of support member 6 and fixture in the two ends of compression spring.

Above-mentioned unidirectional handle elastic structure, the compression spring is supported on the support member, make as the support member folding part 64 of movable position limiting structure and conflict on the fixing and limiting structure 25 of guide upper end, thereby make the hand of handle hold the position that portion 41 remains on basic horizontal shown in Fig. 1 a, the 1b; As shown in Figure 2, when clockwise direction rotated handle, support member 6 rotated with the axial region clockwise direction, overcame the elastic force of compression spring 7, and when unclamping handle, the compression spring then resets support member and handle.Therefore, this structure is applicable to the door lock of unidirectional unlatching.

Because compression spring stress situation is good than torsion spring, therefore in use can be permanent handle is kept in place; In addition, this programme spacing is that decrement by compression spring realizes, promptly when compression spring is compressed fully, handle just goes to its extreme position, and the process that reaches the limit of the position has a buffering course, impact lessly, and fixing and limiting structure is because of being structure as a whole with guide, thereby can effectively guarantee the fastness of force part.

Claims

1, unidirectional handle elastic structure, comprise handle (4), fixture (3) and spring (7), described handle (4) has an axial region (42), described fixture (3) is provided with the commentaries on classics hole (32) that cooperates with described handle axial region (42), it is characterized in that described fixture (3) is provided with support portion (34) and guide (2) is installed, and is provided with an arcuation guide part (23) on the described guide (2); The axial region of described handle (42) penetrates the commentaries on classics hole (32) on the described fixture, and its extension is equipped with support member (6), and the outside installation shaft of support member (6) is to keeper (5); Described spring (7) is the compression spring, and it is enclosed within on the guide part (23) of described guide, conflicts respectively on the support portion (34) of described support member (6) and described fixture (3) in the two ends of compression spring (7); Described support member (6) is provided with movable contact segment (64), and described fixture (3) or guide (2) are provided with the fixing and limiting structure (25) corresponding with described movable contact segment (64).

2, unidirectional handle elastic structure according to claim 1 is characterized in that described fixture (3) is provided with flanging (34) and the locator protrusions (31) as support portion and movable contact segment, offers installing hole (35) on the flanging (34); Offer locating hole (21) on the described guide (2), the extension of its guide part (23) extends in this installing hole (35), and described locator protrusions (31) is positioned at described locating hole (21).

3, unidirectional handle elastic structure according to claim 2, it is characterized in that described guide (2) is a flat member, offer locating slot (24) and the through hole (22) corresponding with the axial region (42) of described handle on it, described fixture (3) is provided with the reference column (33) corresponding with described locating slot (24).

4, unidirectional handle elastic structure according to claim 1, it is characterized in that offering axial groove (43) on the axial region (42) of described handle, described support member (6) is one to offer the member of through hole (61), and its hole portion is provided with the protuberance (63) corresponding with described axial groove (43).

5,, it is characterized in that described support member (6) comprises body and from the folding part (62) of body to a lateral buckling, an end of described compression spring (7) is conflicted simultaneously on its body and folding part (62) according to claim 1 or 4 described unidirectional handle elastic structures.

6, unidirectional handle elastic structure according to claim 1 is characterized in that described axial location part (5) is the axle snap ring.