CN210720911U - Core for glasses spring hinge - Google Patents

Abstract

The utility model provides a core that glasses spring hinge was used belongs to glasses spring hinge technical field. The hinge solves the problems that the specific position of the existing spring hinge of the glasses on the glasses frame is difficult to accurately master and the assembly and use are inconvenient. This core that glasses spring hinge was used is provided with the locking screens device between core and the glasses leg, and this core includes core axle and core cover, and when core and glasses leg were fixed mutually, and the one end of this core cover flushes with the one end of glasses leg, and the one end of core axle stretches out the one end of core cover, and the end that stretches out of the one end of this core axle has the hinge hole, is provided with the elasticity adjusting device that enables core cover and core axle axial relative slip and reset between core cover and the core axle. The utility model has the advantages of reasonable design, simply, can accurately master, assemble convenient to use with spectacle-frame articulated position, elasticity stability of resetting is high, and hinge structure is comparatively stable, and it is comparatively convenient to adjust.

Description

Core for glasses spring hinge

Technical Field

The utility model belongs to the technical field of glasses spring hinge, a core that glasses spring hinge was used is related to.

Background

The glasses have the functions of correcting eyesight or protecting eyes, and along with the rising of the number of people with myopia and the popularity of various decorative glasses, the glasses become more and more necessities in the life of people, and the requirements of people on the beauty, convenience, wearing comfort and the like of the glasses are higher and higher.

The spectacle frame and the spectacle legs of the glasses sold in the market in the past are connected by a common hinge, the clamping force of the glasses connected by the hinge is weak, the positions of the opened spectacle legs and the spectacle frame are relatively fixed, the angle between the opened spectacle legs and the spectacle frame cannot be changed too much, and otherwise the glasses are easy to damage. For this reason, in the current eyeglasses, the temple and the eyeglass frame are mostly connected by an elastic hinge, and for example, chinese patent document discloses an elastic hinge for eyeglasses [ application No.: 201320115787.7, respectively; authorization notice number: CN203117561U ], which comprises a front hinge, a spring core and a slingshot shell, wherein the spring core is installed in the slingshot shell, the hinged end of the spring core is located outside the slingshot shell, and the front hinge is hinged with the spring core through a pin shaft.

In foretell structure, this preceding hinge is pre-buried when moulding plastics through the picture frame and is inlayed in the picture frame, and the connected mode of this preceding hinge and picture frame is for moulding plastics rigid connection, therefore the concrete position of hinge on the picture frame is difficult accurately to be mastered before this kind of manufacturing approach, has the deviation just can not cooperate with the articulated of spring core well, direct influence result of use.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, articulated position can accurate grasp, assembly convenient to use, the core that the high glasses spring hinge of elasticity stability of resetting used.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a core that glasses spring hinge was used for setting firmly in the glasses leg, core and glasses leg between be provided with the locking screens device that can prevent core and the relative break away from of glasses leg axial, this core includes that core axle and cover establish the epaxial core cover of core, when core and glasses leg are fixed mutually, and the one end of this core cover flushes with the one end of glasses leg, the one end of core axle stretch out the one end of core cover, and the end that stretches out of the one end of this core axle has the hinge hole, its characterized in that, core cover and core axle between be provided with and enable the core cover and the elastic adjusting device that the relative slip of core axle axial resets.

According to the core for the spring hinge of the glasses, one end of the core shaft extends out of one end of the core sleeve, the extending end of one end of the core shaft is provided with the hinge hole, the hinge hole extends out of one end of the core sleeve, and the hinge position can be accurately mastered and is convenient to assemble and use; set up elasticity adjusting device, make the articulated assembly back rethread elasticity adjusting device of hinge hole carry out axial displacement and adjust, the equipment is convenient, and elasticity stability of resetting is high.

In the foretell core that glasses spring hinge was used, the elasticity adjusting device include compression spring, the other end of the core axle that is in the glasses leg can be dismantled and is connected with the screens cover, the compression spring cover locate the core epaxial and the one end elasticity of this compression spring support and lean on the core sheathe in, compression spring's other end elasticity support and lean on the screens sheathe in, when core axle and core cover axial relative slip, and this compression spring's elastic action enables core axle and core cover elasticity and resets, compression spring and core axle between be provided with and adjust the regulation structure of compression spring elastic force size. The purpose that sets up like this makes the core axle elastic reset stability height on the core cover through compression spring's effect, sets up and adjusts the structure and adjust compression spring elastic force size and adjust the relative displacement of core axle and core cover promptly, makes things convenient for the accurate of articulated position to master, makes things convenient for the articulated connection of hinge hole, convenient to use.

In the core for the glasses spring hinge, the adjusting structure comprises an internal thread arranged on the inner wall of the clamping sleeve, an external thread is arranged on the outer wall of the other end of the core shaft, and the internal thread of the clamping sleeve and the external thread of the core shaft are matched in a spiral mode to enable the clamping sleeve to axially shift on the core shaft to adjust the elastic force of the compression spring. The elastic force of the compression spring can be effectively adjusted through the displacement adjustment of the clamping sleeve and the core shaft, and the structure is stable.

In foretell core that glasses spring hinge used, the glasses leg in be provided with the grafting position, core axle, core cover, compression spring and screens cover all be in the grafting position in the glasses leg, the bottom of grafting position have with the bottom formation axial of grafting position lean on the spliced eye of a step, when core axle and core cover axial relative slip, and the other end of this core axle wears to locate in the spliced eye and with spliced eye axial sliding fit, when core axle and core cover axial relative slip reset, and this screens cover supports and leans on the axial lean on a step on. The purpose of setting up like this is convenient core axle, core cover, compression spring and screens cover and glasses leg connection assembly.

In the core for the glasses spring hinge, the axial leaning step is further fixedly provided with a rubber gasket, and when the core shaft and the core sleeve axially slide relatively to reset, the clamping sleeve abuts against the rubber gasket of the axial leaning step. The purpose of this is: when the core shaft and the clamping sleeve are adjusted in a relatively spiral mode, the clamping sleeve and the rubber gasket are abutted and matched to prevent the clamping sleeve and the core shaft from rotating synchronously, and the adjusting and using are convenient.

In foretell core that glasses spring hinge was used, lock the screens device include that the core sheathes in the elasticity barb pawl that has circumference interval distribution, every elasticity barb pawl is the petal form from inside to outside the slope of buckling, the inner wall of grafting position on have circumference interval distribution's screens groove, when the other end of core cover is worn to locate in the grafting position with the axial, and this every elasticity barb pawl all is located the screens groove that corresponds and prevents that core and glasses leg axial from breaking away from relatively. The purpose of setting up like this is to make core cover and glasses leg fixed connection stable in structure, can effectively prevent that core and glasses leg axial from breaking away from relatively.

In the above core for the glasses spring hinge, each of the elastic barb pawls and the core sleeve are connected to form an integral structure. Core cover makes core cover body circumference interval distribution have the elasticity barb pawl that is bar shape through the radium-shine mode of laser, and every elasticity barb pawl makes every elasticity barb pawl slope of buckling through the mode of buckling again be petal form, and the purpose that sets up like this makes the mechanical strength of elasticity barb pawl higher, and the structure is comparatively stable when the screens groove screens with corresponding.

Compared with the prior art, the core for the spring hinge of the glasses has the advantages that: structural design is reasonable, simple, and can accurate master, assembly convenient to use with spectacle-frame articulated position, elasticity reset stability is high, and hinge structure is comparatively stable, and it is comparatively convenient to adjust.

Drawings

Fig. 1 is a schematic sectional view showing the structure of a core for a spring hinge of the present spectacles.

In the figure, 1, the spectacle legs; 2. a core shaft; 3. a core sleeve; 4. a hinge hole; 5. a compression spring; 6. a clamping sleeve; 7. a rubber gasket; 8. a resilient barbed pawl.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, the core for the glasses spring hinge is fixedly arranged in a glasses leg 1, a locking clamping device capable of preventing the core from axially and relatively separating from the glasses leg 1 is arranged between the core and the glasses leg 1, when in actual manufacturing, the core mainly comprises a core shaft 2 and a core sleeve 3 sleeved on the core shaft 2, when the core and the glasses leg 1 are fixed, one end of the core sleeve 3 is flush with one end of the glasses leg 1, one end of the core shaft 2 extends out of one end of the core sleeve 3, the extending end of one end of the core shaft 2 is provided with a hinge hole 4, and an elastic adjusting device capable of enabling the core sleeve 3 and the core shaft 2 to axially and relatively slide and reset is arranged between the core sleeve 3 and the core shaft 2.

In actual manufacturing, the specific implementation of the elastic adjusting device is as follows: mainly constitute by compression spring 5, the other end of the core axle 2 that is in glasses leg 1 can be dismantled and is connected with screens cover 6, compression spring 5 cover locate on the core axle 2 and this compression spring 5 one end elasticity supports and leans on core cover 3, compression spring 5's other end elasticity supports and leans on screens cover 6 on, when core axle 2 and 3 axial relative slip of core cover, and this compression spring 5's elastic action enables core axle 2 and 3 elastic reset of core cover, be provided with between compression spring 5 and the core axle 2 and adjust the structure that can adjust the elastic force size of compression spring 5.

In actual manufacturing, the specific implementation of the adjusting structure is as follows: the inner wall of the clamping sleeve 6 is provided with an internal thread, the outer wall of the other end of the core shaft 2 is provided with an external thread, and the internal thread of the clamping sleeve 6 is matched with the external thread of the core shaft 2 in a spiral mode to enable the clamping sleeve 6 to axially shift on the core shaft 2 to adjust the elastic force of the compression spring 5.

In the actual design, the specific connecting structure of the glasses legs 1 and the core is as follows: the glasses leg 1 is internally provided with a splicing position, the core shaft 2, the core sleeve 3, the compression spring 5 and the clamping sleeve 6 are all positioned in the splicing position in the glasses leg 1, the bottom of the splicing position is provided with a splicing hole which forms an axial leaning position step with the bottom of the splicing position, when the core shaft 2 and the core sleeve 3 axially slide relatively, the other end of the core shaft 2 penetrates through the splicing hole and is axially matched with the splicing hole in a sliding manner, and when the core shaft 2 and the core sleeve 3 axially slide relatively and reset, the clamping sleeve 6 is abutted against the axial leaning position step; the axial leaning step is also fixedly provided with a rubber gasket 7, and when the core shaft 2 and the core sleeve 3 are axially and relatively slid to reset, the clamping sleeve 6 is abutted against the rubber gasket 7 of the axial leaning step.

In actual manufacturing, the specific implementation of the locking and blocking device arranged between the core and the glasses leg 1 is as follows: the core sleeve 3 is provided with elastic barb pawls 8 which are circumferentially distributed at intervals, each elastic barb pawl 8 is bent and inclined from inside to outside to be petal-shaped, the inner wall of the splicing position is provided with clamping grooves which are circumferentially distributed at intervals, and when the other end of the core sleeve 3 coaxially penetrates through the splicing position, each elastic barb pawl 8 is positioned in the corresponding clamping groove to prevent the core from axially and relatively separating from the glasses legs 1; each elastic barb pawl 8 and the core sleeve 3 are connected into an integral structure.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (7)

1. The utility model provides a core that glasses spring hinge was used for setting firmly in glasses leg (1), core and glasses leg (1) between be provided with the locking screens device that can prevent core and glasses leg (1) axial and break away from relatively, this core includes core axle (2) and overlaps and establish core cover (3) on core axle (2), when core and glasses leg (1) are fixed mutually, and the one end of this core cover (3) flushes with the one end of glasses leg (1), the one end of core axle (2) stretch out the one end of core cover (3), and the end that stretches out of the one end of this core axle (2) has hinge hole (4), its characterized in that, core cover (3) and core axle (2) between be provided with and enable core cover (3) and the elastic adjusting device that core axle (2) axial relative slip reset.

2. The core for a spectacle spring hinge according to claim 1, the elastic adjusting device comprises a compression spring (5), the other end of the core shaft (2) positioned in the glasses leg (1) is detachably connected with a clamping sleeve (6), the compression spring (5) is sleeved on the core shaft (2) and one end of the compression spring (5) is elastically propped against the core sleeve (3), the other end of the compression spring (5) is elastically propped against the clamping sleeve (6), when the core shaft (2) and the core sleeve (3) axially slide relatively, and the elastic action of the compression spring (5) can elastically reset the core shaft (2) and the core sleeve (3), an adjusting structure capable of adjusting the elastic force of the compression spring (5) is arranged between the compression spring (5) and the core shaft (2).

3. The core for the glasses spring hinge according to claim 2, wherein the adjusting structure comprises an inner thread arranged on the inner wall of the clamping sleeve (6), an outer thread arranged on the outer wall of the other end of the core shaft (2), and the inner thread of the clamping sleeve (6) and the outer thread of the core shaft (2) are spirally matched to enable the clamping sleeve (6) to axially shift on the core shaft (2) to adjust the elastic force of the compression spring (5).

4. The core for the glasses spring hinge according to claim 3, wherein the glasses leg (1) is internally provided with a plugging position, the core shaft (2), the core sleeve (3), the compression spring (5) and the clamping sleeve (6) are all positioned in the plugging position in the glasses leg (1), the bottom of the plugging position is provided with a plugging hole which forms an axial leaning step with the bottom of the plugging position, when the core shaft (2) and the core sleeve (3) axially slide relatively, the other end of the core shaft (2) penetrates through the plugging hole and is axially slidably matched with the plugging hole, and when the core shaft (2) and the core sleeve (3) axially slide relatively to reset, the clamping sleeve (6) is abutted against the axial leaning step.

5. A core for a spectacle spring hinge according to claim 4, characterized in that the axial abutment step is further provided with a rubber washer (7), and when the core shaft (2) and the core sleeve (3) are axially and relatively slid to be reset, the clamping sleeve (6) abuts against the rubber washer (7) of the axial abutment step.

6. A core for glasses spring hinge according to claim 5, characterized in that, the locking position-clamping device comprises elastic barb pawls (8) with circumferential spacing distribution on the core sleeve (3), each elastic barb pawl (8) is in petal shape by bending and inclining from inside to outside, the inner wall of the inserting position is provided with a position-clamping groove with circumferential spacing distribution, when the other end of the core sleeve (3) is coaxially arranged in the inserting position, and each elastic barb pawl (8) is positioned in the corresponding position-clamping groove to prevent the core from axially and relatively disengaging from the glasses legs (1).

7. A hinge barrel according to claim 6, wherein each of said resiliently barbed pawls (8) and said barrel housing (3) are integrally connected.

Images