CN211648734U

CN211648734U - Circular in-line nut for spectacle frame and disassembling tool thereof

Info

Publication number: CN211648734U
Application number: CN201921434409.9U
Authority: CN
Inventors: 周文; 贾俊峰; 王俊锋; 曾建波
Original assignee: Zhejiang Tongda Optics Co ltd
Current assignee: Zhejiang Tongda Optics Co ltd
Priority date: 2019-08-31
Filing date: 2019-08-31
Publication date: 2020-10-09
Anticipated expiration: 2029-08-31

Abstract

The utility model discloses a circular straight nut for a spectacle frame and a disassembling tool thereof, which belong to assembling original elements and disassembling tools of the spectacle frame and are mainly applied to the assembling of the spectacle frame; the assembling original piece comprises a nut main body, the disassembling tool comprises an end head, a support rod and a sleeve, the end head is arranged in a hollow cylinder shape with one end being an open end, two protruding parts are symmetrically distributed on the inner wall surface of the end head, the protruding parts are flush with the open end of the end head, two cutting inclined planes are arranged at the open end of the end head, the cutting inclined planes at the open end of the end head are arranged in an arc shape, and two end points of the arc cutting inclined planes start from the two protruding parts; compared with the prior art, the circular straight nut for the spectacle frame and the dismounting tool thereof can effectively improve the assembling efficiency of the spectacle frame.

Description

Circular in-line nut for spectacle frame and disassembling tool thereof

Technical Field

The utility model belongs to the technical field of spectacle frame subassembly and assembly and disassembly tools thereof, a circular word nut for spectacle frame and assembly and disassembly tools thereof particularly.

Background

The spectacle frame mainly assembles through screw, nut, only cooperatees through the screw hole of seting up on screw and the picture frame in the common spectacle frame, and its shortcoming lies in that the screw hole structure of seting up on the picture frame is unstable, and wearing and tearing can appear in the back screw hole of repetitious usage, cause the picture frame structure to send and move, consequently use nut and screw to cooperate, can make the assembly of picture frame more stable, but the problem that needs to solve lies in how to let the assembly of nut more convenient.

The existing glasses frame dismounting tool is easy to scratch a glasses frame in the process of fastening nuts and screws, and meanwhile, due to the fact that the sizes of the nuts and the screws on the glasses frame are small, the position of the dismounting tool is difficult to align when the dismounting tool is embedded with the screws and the nuts.

SUMMERY OF THE UTILITY MODEL

In order to solve the defect that above-mentioned prior art exists, the utility model provides a circular word nut for spectacle frame and assembly and disassembly tools thereof can let the assembly of spectacle frame convenient more, firm.

The technical scheme of the utility model is realized like this:

the circular linear nut for the spectacle frame is characterized by comprising a nut main body, wherein the nut main body is in a hollow cylindrical shape, and two grooves are symmetrically formed in one end of the nut main body.

On the basis, the utility model provides a disassembly and assembly tool of circular in-line nut for spectacle frame, including end, bracing piece, sleeve, its characterized in that, the end is the hollow cylinder setting that one end is the open end, the internal wall of end distributes symmetrically has two bellyings, and this bellyings flushes with the open end of end, the open end department of end is equipped with two cutting inclined planes, the bellyings is located between two cutting inclined planes, set up the bar logical groove on the periphery of end, this bar logical groove sets up along the length direction of end, the bar logical groove communicates with each other with the end inside, the other end of end is fixed with the mounting, and this mounting is prismatic setting;

one end of the supporting rod is provided with a prismatic counter bore matched with the fixing piece, one end of the sleeve is sleeved on the supporting rod, and the other end of the sleeve is sleeved on the circumferential surface of the end.

The utility model discloses in, the cutting inclined plane of end opening end department is convex setting, and two extreme points on this convex cutting inclined plane begin at two bellyings.

In the present invention, one end of the sleeve is provided with a circular truncated cone-shaped transition section, and the circular truncated cone-shaped transition section is sleeved on the circumferential surface of the end.

The utility model discloses in, be equipped with anti-skidding line on the telescopic outer wall, be equipped with the external screw thread on the bracing piece, be equipped with the external screw thread on the telescopic internal face, the sleeve cooperatees through internal thread and external screw thread and connects soon on the bracing piece.

The utility model discloses in, be fixed with magnet on the bottom surface of prismatic counter bore, prismatic mounting on the end is the magnetic metal spare.

The present invention is directed to a nut for a bicycle, in which a protrusion height of the protrusion is smaller than a wall thickness of the nut main body.

Compared with the prior art, implement the utility model provides a this kind of circular word nut for spectacle-frame and assembly and disassembly tools have following beneficial effect:

1. when the round straight nut is used, the round straight nut is sleeved in the end head of the disassembling tool, the groove in the round straight nut is embedded with the bulge in the end head, so that the nut is conveniently positioned, and the nut can be screwed to a screw more conveniently.

2. The arc-shaped cutting surface arranged on the end can enable an assembler to visually see the embedding condition of the inner protruding part of the end and the groove on the circular linear nut.

3. Through screwing the nut (being different from the screwing screw and nut matching in the prior art) and the screw matching, the scratch on the spectacle frame when the dismounting tool rotates can be avoided.

Drawings

Fig. 1 is a schematic structural view of a nut body of the present invention;

FIG. 2 is a schematic view of the main structure of the tool of the present invention;

FIG. 3 is a schematic view of the discrete structure of the components of FIG. 2;

fig. 4 is an enlarged view of a portion of the structure of fig. 3 at the tip.

Description of the figure numbers: the nut comprises a nut body 1, a groove 11, a tip 2, a boss 21, a cutting inclined surface 22, a strip-shaped through groove 23, a fixing piece 24, a support rod 3, a prismatic counter bore 31, a sleeve 4 and a truncated cone-shaped transition section 41.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The circular linear nut for the spectacle frame as shown in fig. 1 comprises a nut main body 1, wherein the nut main body 1 is in a hollow cylindrical shape, and two grooves 11 are symmetrically formed in one end of the nut main body 1.

Of course, in practical applications, the outer shape of the nut body 1 should be adapted to the inner shape of the tool bit 2, for example, when the cross-sectional shape of the inner portion of the bit 2 is hexagonal, the nut body 1 may be provided in a corresponding hexagonal prism shape.

The disassembly and assembly tool of the circular in-line nut for the spectacle frame as shown in fig. 2-4 comprises an end head 2, a support rod 3 and a sleeve 4, wherein the end head 2 is arranged in a hollow cylinder shape with one end being an open end, two convex parts 21 are symmetrically distributed on the inner wall surface of the end head 2, and the convex parts 21 are flush with the open end of the end head 2; it is to be noted that the height of the protrusion 21 should be less than the wall thickness of the nut body 1 so as to ensure that the protrusion 21 does not come into contact with the screw in the nut body 1 during the assembly process.

Two cutting inclined planes 22 are arranged at the opening end of the end head 2, the protruding part 21 is positioned between the two cutting inclined planes 22, a strip-shaped through groove 23 is formed in the circumferential surface of the end head 2, the strip-shaped through groove 23 is arranged along the length direction of the end head 2, the strip-shaped through groove 23 is communicated with the interior of the end head 2, and a prismatic fixing piece 24 is fixed at the other end of the end head 2.

The cutting inclined plane 22 at the opening end of the end head 2 is arranged in a circular arc shape, and two end points of the circular arc-shaped cutting inclined plane 22 start from the two convex parts 21. In practical application, the circular cutting inclined surface is arranged to enable an assembling person to better observe whether the engagement position of the nut body 1 and the boss 21 is in place.

One end of the support rod 3 is provided with a prismatic counter bore 31 matched with the fixing piece 24, a magnet is fixed on the bottom surface of the prismatic counter bore 31, and the prismatic fixing piece 24 on the end head 2 is a magnetic metal piece; in the practical application process, the head 2 can be fixed in the prismatic counter bore 31 under the action of magnetic force, and the extraction of the head 2 is also facilitated.

One end of the sleeve 4 is sleeved on the support rod 3, the other end of the sleeve 4 is provided with a truncated cone-shaped transition section 41, and the truncated cone-shaped transition section 41 is sleeved on the circumferential surface of the end socket 2. Be equipped with anti-skidding line on the outer wall of sleeve 4, be equipped with the external screw thread on the bracing piece 3, be equipped with the external screw thread on the internal face of sleeve 4, in the assembling process, sleeve 4 matches with the external screw thread through the internal thread and connects soon on bracing piece 3.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The circular linear nut for the spectacle frame is characterized by comprising a nut main body, wherein the nut main body is in a hollow cylindrical shape, and two grooves are symmetrically formed in one end of the nut main body.

2. A dismounting tool for a round in-line nut for an eyeglass frame as defined in claim 1, comprising an end head, a support rod and a sleeve, wherein the end head is in a hollow cylindrical shape with one end being an open end, two protrusions are symmetrically distributed on the inner wall surface of the end head, the protrusions are flush with the open end of the end head, two cutting inclined planes are arranged at the open end of the end head, the protrusions are located between the two cutting inclined planes, a strip-shaped through groove is formed on the circumferential surface of the end head, the strip-shaped through groove is arranged along the length direction of the end head, the strip-shaped through groove is communicated with the inside of the end head, a fixing member is fixed at the other end of the end head, and the fixing member is in;

3. The tool for disassembling and assembling a round in-line nut for an eyeglass frame as set forth in claim 2, wherein the cutting slope at the opening end of the head is formed in an arc shape, and both end points of the arc cutting slope start at two protrusions.

4. The tool of claim 3, wherein the sleeve has a truncated cone shaped transition section at one end, the truncated cone shaped transition section being disposed around a circumference of the end.

5. The tool for assembling and disassembling a round in-line nut for an eyeglass frame as set forth in claim 4, wherein the sleeve has anti-slip threads on an outer wall surface thereof, the support rod has external threads thereon, and the sleeve has external threads on an inner wall surface thereof, and the sleeve is screwed on the support rod by the internal threads and the external threads being engaged with each other.

6. The tool of claim 5, wherein the magnets are fixed to the bottom surface of the prismatic counter bore, and the prismatic fixing element on the end is a magnetic metal element.

7. The tool of claim 6, wherein the height of the protrusion is less than the thickness of the wall of the nut body.