CN202306038U - Joint member for elastic hinge of spectacles - Google Patents

Abstract

The utility model discloses a joint member for an elastic hinge of a pair of spectacles, in particular to a joint member (10) of an elastic hinge (11) for movably connecting two members (12 and 13) of a spectacles framework with each other. The joint member (10) comprises a box-shaped body (16) and elastic brackets (17), wherein longitudinal concave grooves (18) are formed on the box-shaped body (16) in structure, and the elastic brackets (17) can be glidingly accommodated in the related longitudinal concave grooves. Each elastic bracket (17) is provided with a related pivot part (19) which is used for limiting and giving a pivotal axis (H) together with the other joint member (15) of the elastic hinge. The joint member (10) comprises guiding parts (25 and 125) and an anti-rotation part (23 and 123), wherein the guiding parts are used for guiding the brackets (17) to slide in the longitudinal concave grooves (18), the anti-rotation parts coordinate with corresponding parts (26 and 126) of the box-shaped body (16) so as to prevent the brackets (17) from axially rotating relative to the box-shaped body (16). The guiding parts and the anti-rotation parts are mutually separated and coaxial and are coaxial with a longitudinal axis (X) of the brackets (17).

Description

The engagement member that is used for elastic hinge for eyeglasses

Technical field

The utility model relates to a kind of engagement member that is used for elastic hinge for eyeglasses, and it is applicable to front or the forepiece that leg of spectacles or temple (temple) is connected to frame.

Background technology

Known elasticity or " flexibility " hinge for spectacles are articulated to framework front or forepiece with leg of spectacles, so that on user's leg of spectacles, can keep suitable pressure, thereby improve its property worn.

Elastic hinge allows to apply to leg of spectacles extra opens stroke and from the extra elastic recovery of opening condition of leg of spectacles; Two hinged engagement members of orifice ring form by passing separately usually for this; Wherein first engagement member is associated with leg of spectacles, and second engagement member is associated with the glasses forepiece.

Usually, first engagement member is provided with the box-like body, the slipper bracket in the said box-like body and the definite carriage that are associated with the leg of spectacles spring with respect to the Elastic Sliding condition of said box-like body.

Carriage generally includes pivot orifice ring, the axial lead part relevant with box-like body, the anti-rotating part of being correlated with box-like body and the spring shield part that comprises its optional locking body.

More known technical schemes, wherein carriage makes up and is processed by single-piece through shear and coining manipulation.

The precision of known solution is unsatisfactory, especially owing to its shear operation makes its precision not good.

When using known manufacturing technology to limit leader and the anti-rotating part of carriage, two mutual stacked separating parts must be set.

Therefore, this technology causes the manufacturing step complicacy and causes the whole vertically size of hinge to increase.

In the manufacturing field of glasses and assembly thereof, more and more need reduce the size of hinge and forepiece, the thickness of especially said assembly is lightly spent with the property worn to give the better aesthetics of frame.

Obviously, can't implement a kind of like this technical scheme effectively to this class framework, wherein carriage is processed by single-piece, and guiding and anti-rotating part are stacked each other.

According to another kind of known technology, carriage is coupled in two kinds of different elements that obtain together and processes by handling through material removal process and by calking or ca(u)lk.

For two elements of assembling, this technical scheme is complicated.

In the case, leader and anti-rotating part are made up of the public prismatic parts in one of two elements, and its defective is the stress increase that this public part receives and needs excessive relatively size.

In addition, the anti-rotating part of hinge member need be handled corresponding broaching of box-like body shell or fraising.

When guiding and anti-rotating part when being arranged in the same section, must in box-like body, form long relatively broaching section, thereby cause processing time and cost increase.

In addition, known technical scheme to carriage with central axis, wherein this central axis is positioned at the hinge axes on the same straight line for the lengthwise movement axis with carriage.

In this type of technical scheme, guiding and anti-rotation are also contained in the same section, thus cause the time long, cost is high.

The utility model content

A purpose of the utility model provides a kind of engagement member, and it is made with plain mode at low cost, and guarantees splendid final structure property and aesthetic effect, comprises its application on small size leg of spectacles and forepiece.

For fear of defective of the prior art and obtain above-mentioned and other advantages, applicant's research, test and implemented the utility model.

For this reason; The utility model provides a kind of engagement member that is used for elastic hinge, and said elastic hinge can make two members of frame flexibly connect each other, and said engagement member comprises at least one box-like body and at least one elastic bracket; In said box-like body, be provided with at least one longitudinal fluting; Said elastic bracket is slidably received within the relevant longitudinal fluting and has the associated pivot part, and another pivot element of said pivot section and said elastic hinge limits given pivot axis, wherein; Said engagement member comprises at least one leader and at least one anti-rotating part; Said at least one leader can guide the slip of said carriage in said longitudinal fluting, and said at least one anti-rotating part can be cooperated with the counterpart of said box-like body at least, axially rotates with respect to said box-like body to prevent said carriage; Said leader and said anti-rotating part differ from one another, and coaxially to each other and coaxial with the longitudinal axis of said carriage.

Advantageously, said leader and said anti-rotating part all remove acquisition through material.

Advantageously, said leader has circular substantially xsect.

Advantageously, said anti-rotating part has polygonal substantially xsect.

Advantageously, the longitudinal axis of said carriage is positioned on the plane identical with said pivot axis plane of living in.

Advantageously, said anti-rotating part is configured on the section of said pivot section.

Advantageously, said anti-rotating part follows said pivot section structure closely.

Advantageously, said leader has at least one smooth otch that can limit relevant ' locked ' zone.

Advantageously, said box-like body comprises at least one locking component that can be contained in the ' locked ' zone that is limited at said smooth otch.

Advantageously, said carriage comprises the housing parts that is used for elastic component, and said housing parts can be confirmed the Elastic Sliding of said carriage in said box-like body.

Advantageously, on said housing parts, be mounted slidably in abutting connection with ring, said elastic component compresses in abutting connection with ring with respect to said.

Advantageously, said adjacency ring is arranged near the ' locked ' zone that is limited at said smooth otch, and cooperates with said locking component, to confirm the position of said carriage in said box-like body.

Engagement member according to the utility model is applied on the elastic hinge, being movably connected such as the front of leg of spectacles and frame or two elements of forepiece.Engagement member forms and is connected to another engagement member pivotly, and wherein two members are associated with leg of spectacles and front or forepiece respectively.

Engagement member comprises at least one box-like body, and its integration maybe can be incorporated in the leg of spectacles, wherein obtains the longitudinal fluting towards its head surface opening.

Engagement member further comprises at least one elastic bracket that is slidably received within the said longitudinal fluting.

Elastic bracket comprises its pivot section, and this pivot section is outstanding and limit given pivot axis with another engagement member from the head surface of box-like body.

A characteristic aspect according to the utility model; Engagement member comprises at least one leader; It forms guide bracket endwisely slipping in longitudinal fluting; Also comprise at least one anti-rotating part, said anti-rotating part is applicable to and the counterpart cooperation of box-like body, axially rotates with respect to box-like body to prevent carriage.

According to the utility model, leader and anti-rotating part all are formed on the carriage length, and be separated from one another and coaxial each other, and with the central longitudinal of carriage itself to axis coaxle.

Therefore, leader and anti-rotating part have independently size, shape and width, and construct or obtain based on their concrete operational requirements.

Each the functional conditions that this allows to improve guiding and anti-rotating part on the one hand allows on the other hand to optimize to make, thereby reduces manufacturing time and cost.

In addition, utilize the technical scheme according to the utility model, because guiding separates with anti-rotating part and be coaxial, compare with known solution, the integral thickness size reduces.

Therefore, also can be applicable to have framework according to the technical scheme of the utility model, and guarantee that the placement of engagement member still remains in the thickness of associated frame members element with the element that reduces thickness.

Because two parts construct discretely or obtain, be that according to another advantage of the technical scheme of the utility model it is minimum that the relative length size of these parts can reduce to, because two parts of separating receive the specific mechanical tension force that reduces usually.

This advantage has also realized being arranged on any adjacent element on the box-like body, for example the size of anti-rotating part reduces, thereby has realized the minimizing of the whole manufacturing cost of engagement member.

According to a modification, guiding and anti-rotating part all obtain through material removal process.

Like this, can obtain high manufacturing accuracy and can not be through impression and the shear easily geometric properties and the size of acquisition.

According to a modification, leader has circular substantially xsect.

According to another modification, guiding and anti-rotating part have the xsect of polygon substantially or egg type.

The selection that manufacturing has the part of varying cross-section allows actual functional capability property and shape of load selection or other shapes based on expection.

According to a modification, the middle longitudinal axis and the pivot axis of carriage are positioned on the identical plane.

In this modification, carriage and engagement member have the maximum possible compactedness, and thereby even can be installed to thickness and be decreased on the element of ultimate value.

According to a modification, anti-rotating part obtains on the outer sections of pivot section or constructs.

According to another modification, anti-rotating part follows pivot section closely and obtains or construct.

According to a modification, at least one smooth otch is being applicable to acquisition or structure on the leader that limits ' locked ' zone.

This ' locked ' zone is applicable to and holds the locking member that is arranged on the box-like body, for example screw, pin, calking or ca(u)lk variant part etc.

According to another modification, carriage comprises and is used for elastic component, helical spring housing parts for example that it confirms the Elastic Sliding of carriage in box-like body.

According to this modification, be slidably disposed on the housing parts in abutting connection with ring, elastic component is with respect to compressing in abutting connection with ring.

In the embodiment that is provided with ' locked ' zone and locking component, in abutting connection with ring be arranged near the said ' locked ' zone and with the locking member cooperation, with confirm carriage in box-like body the position and to the elastic reaction of movement of bracket.

Description of drawings

With reference to accompanying drawing, to making these of the utility model become obviously with other characteristics the description of a plurality of preferred embodiments, these preferred embodiments only are exemplary from hereinafter, should not be construed as restrictive, among the figure:

Fig. 1 shows the axonometric drawing that has according to the hinge for spectacles of the engagement member of the utility model;

Fig. 2 shows the axonometric drawing of first embodiment of the engagement member among Fig. 1 from beneath;

Fig. 3 shows the alternative of the engagement member among Fig. 2;

Fig. 4 shows the cut-open view of the engagement member among Fig. 2;

Fig. 5 shows the axonometric exploded view of the engagement member among Fig. 2;

Fig. 6 shows the cut-open view according to second embodiment of the engagement member of the utility model;

Fig. 7 shows the axonometric exploded view of the engagement member among Fig. 6.

In order to understand the utility model better, under possible situation, use identical substantially mutual component in the identical Reference numeral presentation graphs.The element and the characteristic that should be appreciated that an embodiment can combine in another embodiment expediently, and need not further explanation.

Embodiment

With reference to Fig. 1, show hinge for spectacles 11, it is employed, so that the front or the forepiece 13 of leg of spectacles 12 and frame flexibly connect each other, thereby allows the mutual rotation of leg of spectacles 12 and front or forepiece 13, to limit given open and close condition.

Particularly, hinge 11 is elastic hinges, that is to say, it allows the extra stroke of opening of leg of spectacles 12, and has the elastic recovery of expectation, thereby wearing of convenient glasses operated and the property worn condition.

Hinge 11 generally includes two engagement members; That is to say; Be respectively first engagement member 10 (target of the utility model) that is associated with leg of spectacles 12 and second engagement member 15 that is associated with forepiece 13; Be made of metal under the situation of the example that both here discuss, and through pivoting each other in order to pin 14, the for example threaded that limits pivot axis H.

As Fig. 2 and 3 illustrates for example,, can be single mount frame (Fig. 2) or double cartridge engagement member (Fig. 3) according to the engagement member 10 of the utility model according to the width of leg of spectacles 12 to be flexibly connected and/or joint categories to be limited.

In addition; Though among the embodiment illustrated in the accompanying drawings, concrete with reference to having the elastic hinge 11 of two specific engagement members 10 and 15 types, originally said engagement member is separated with forepiece 13 by corresponding leg of spectacles 12; But; In no case stop the utility model to be equal to and be applied to other embodiment, in these embodiment, directly or at least in part on leg of spectacles 12 and forepiece 13, construct or obtain the element of hinge 11.

In the case, first engagement member 10 comprises box-like body 16 and the elastic bracket 17 with longitudinal fluting 18, and longitudinal axis X also was contained in the longitudinal fluting 18 at least in part between said elastic bracket 17 limited wherein.

Elastic bracket 17 among Fig. 4,5,6 and 7 removes machining via material and is processed by monomer; And be provided with: pivot section or orifice ring (or eyelet) 19 like the lower part; By means of pivot section or orifice ring 19, elastic bracket 17 allows second engagement member 15 to pivot with respect to pivot axis H; At the back surface construction of pivot orifice ring 19 or vertical pin 20 of acquisition; The coaxial volute spring 21 that is installed on the pin 20; And slidably and coaxially being arranged on the lining 22 on the pin 20, it inserts and puts the position between pivot orifice ring 19 and volute spring 21.

In the case, longitudinal axis X is positioned on the plane identical with pivot axis H plane of living in.

In the embodiment shown in the Figure 4 and 5, between pivot orifice ring 19 and lining 22, remove machining via material and obtain anti-rotating part 23 and leader 25.

In the case, with respect to the section of the orifice ring 19 of the outside that is usually located at box-like body 16, on the back section of pivot orifice ring 19, directly obtain anti-rotating part 23.

Anti-rotating part 23 has quadrangular cross section substantially and with respect to the development length of elastic bracket 17, this development length equals the stroke of elastic bracket 17 in box-like body 16 at least.

Anti-rotating part 23 is via the corresponding wall cooperation of its flat side surface with two projections 26, and the projection of said projection 26 conducts on the head surface of the head body 16 of the entrance side of vertical bed 18 obtains.

When between flat surfaces, implementing, this cooperation prevents that elastic bracket 17 from rotating with respect to longitudinal axis X.

Leader 25 has circular substantially xsect, and its diameter equals the vertically internal diameter of bed 18 substantially, thereby can path of navigation slip vertically in said bed.

Leader 25 substantially with anti-rotating part 23 and pin 20 coaxial configuration or acquisition, therefore also coaxial substantially with longitudinal axis X.

Particularly, lining 22 is resisted against on the end of leader 25, and promotes through the effect of volute spring 21.

In the case, the end section of leader 25, promptly the section near lining 22 has two smooth otch 27, and said otch 27 cuts out at the opposition side of longitudinal axis X, is applicable to qualification ' locked ' zone separately.

Especially as can be seen from Figure 4, at least one in two ' locked ' zones limiting of smooth otch 27 is used to hold from the outside of box-like body to the locking caulked spare (digging out part) 29 of internal structure or formation.

Said locking caulked spare 29 serves as the abutment of lining 22, both has been used for elastic bracket 17 is placed in the box-like body, is used to allow volute spring 21 to compress during the Elastic Sliding in vertical bed 18 at elastic bracket 17 again.

In the embodiment shown in Fig. 6 and 7, with respect to orifice ring 19 sections of the outside that is usually located at box-like body 16, in the back of pivot orifice ring 19 or back structure in this embodiment with the anti-rotating part of Reference numeral 123 indications.

As stated, anti-rotating part 23 has tetragonal substantially xsect and with respect to the development length of elastic bracket 17, said development length equals the stroke of elastic bracket 17 in box-like body 16 at least.

Once more, anti-rotating part 123 and corresponding flat wall 126 cooperations rotate with respect to longitudinal axis X to avoid elastic bracket 17.

Flat wall 126 is extended the vertically distance of a section of bed 18, and it has minimum required size, to guarantee at least in the stroke of elastic bracket 17 and anti-rotating part 123 cooperations.

Leader with Reference numeral 125 indications has circular substantially xsect in this embodiment, and its diameter is equal to the internal diameter of vertical bed 18 substantially, thereby can path of navigation slip vertically in said bed.

Leader 125 is set to after anti-rotating part 123 and is coaxial with anti-rotating part 123 substantially, simultaneously also coaxial with pin 20, thereby also coaxial substantially with longitudinal axis X.

In the case, the end section of leader 125, promptly the near-end with respect to lining 22 has smooth otch 127, and its locking caulked spare 129 that is defined as structure on box-like body 16 provides the ' locked ' zone of shell.

Yet clearly, above-mentioned engagement member 10 can carry out the parts modification and/or add under the situation that does not depart from the utility model category.

In addition; Clearly, though described the utility model with reference to instantiation, those skilled in the art are prone to some other equivalents that acquisition is used for the engagement member of elastic hinge for eyeglasses; It has the characteristic of the utility model, thereby all falls in the protection domain of the utility model.

Claims (12)

1. engagement member that is used for elastic hinge (11); Said elastic hinge (11) can make two members (12,13) of frame flexibly connect each other; Said engagement member comprises at least one box-like body (16) and at least one elastic bracket (17); In said box-like body (16), be provided with at least one longitudinal fluting (18); Said elastic bracket (17) is slidably received within the relevant longitudinal fluting (18) and has associated pivot part (19); Said pivot section (19) limits given pivot axis (H) with another pivot element (15) of said elastic hinge (11); It is characterized in that said engagement member comprises at least one leader (25,125) and at least one anti-rotating part (23,123), said at least one leader (25,125) can guide the slip of said carriage (17) in said longitudinal fluting (18); Said at least one anti-rotating part (23,123) can be cooperated with the counterpart (26,126) of said box-like body (16) at least; To prevent said carriage (17) with respect to the axial rotation of said box-like body (16), said leader (25,125) and said anti-rotating part (23,123) differ from one another, and coaxially to each other and coaxial with the longitudinal axis (X) of said carriage (17).

2. engagement member as claimed in claim 1 is characterized in that, said leader (25,125) and said anti-rotating part (23,123) all remove acquisition through material.

3. according to claim 1 or claim 2 engagement member is characterized in that, said leader (25,125) has circular substantially xsect.

4. according to claim 1 or claim 2 engagement member is characterized in that said anti-rotating part (23,123) has polygonal substantially xsect.

5. according to claim 1 or claim 2 engagement member is characterized in that the longitudinal axis (X) of said carriage (17) is positioned on the plane identical with said pivot axis (H) plane of living in.

6. according to claim 1 or claim 2 engagement member is characterized in that said anti-rotating part (23) is configured on the section of said pivot section (19).

7. according to claim 1 or claim 2 engagement member is characterized in that, said anti-rotating part (123) follows said pivot section (19) structure closely.

8. according to claim 1 or claim 2 engagement member is characterized in that, said leader (25,125) has at least one smooth otch (27,127) that can limit relevant ' locked ' zone.

9. engagement member as claimed in claim 8 is characterized in that, said box-like body (16) comprises at least one locking component (29,129) that can be contained in the ' locked ' zone that is limited at said smooth otch (27,127).

10. according to claim 1 or claim 2 engagement member is characterized in that said carriage (17) comprises the housing parts (20) that is used for elastic component (21), and said housing parts (20) can be confirmed the Elastic Sliding of said carriage (17) in said box-like body (16).

11. engagement member as claimed in claim 10 is characterized in that, on said housing parts (20), is mounted slidably in abutting connection with ring (22), said elastic component (21) compresses in abutting connection with ring (22) with respect to said.

12. engagement member as claimed in claim 11; It is characterized in that; Said leader (25,125) has at least one smooth otch (27,127) that can limit relevant ' locked ' zone; Said box-like body (16) comprises at least one locking component (29,129) that can be contained in the ' locked ' zone that is limited at said smooth otch (27,127); Said adjacency ring (22) is arranged near the ' locked ' zone that is limited at said smooth otch (27,127), and cooperates with said locking component (29,129), to confirm the position of said carriage (17) in said box-like body (16).

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