CN209986023U

CN209986023U - Reaming and shaping tool

Info

Publication number: CN209986023U
Application number: CN201920711189.3U
Authority: CN
Inventors: 陈国强; 孙友勇; 叶志进; 苏锦
Original assignee: Fujian Chenghe Photoelectric Technology Co Ltd
Current assignee: Fujian Chenghe Photoelectric Technology Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-01-24
Anticipated expiration: 2029-05-17

Abstract

The utility model provides a reaming and shaping tool, which comprises a reaming arm, an elastic piece and a clamp handle; the reaming arm comprises a first reaming arm and a second reaming arm, and the elastic part comprises a first connecting part connected with the first reaming arm, a second connecting part connected with the second reaming arm, and an elastic part positioned between the first connecting part and the second connecting part; the first reaming arm and the second reaming arm comprise supporting parts which are arranged in an abutting mode. The reaming and shaping effect of the tool is good, the operation is convenient and fast, and the efficiency is high.

Description

Reaming and shaping tool

Technical Field

The utility model relates to a frock technical field especially relates to a reaming plastic frock.

Background

The lens cone of the telescope is of a thin-wall shell structure, the structure is easy to deform in the machining process, and a groove is formed in the axial direction of the lens cone so as to adjust the inner diameter of the lens cone and prepare for subsequently installing lenses. The reaming adjustment of the lens cone mostly adopts manual operation, and generally adopts a reaming column with a chamfer to adjust the aperture of the lens cone, so that the operation is inconvenient and the edge of the lens cone is easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a reaming plastic frock, reaming plastic is effectual and simple operation, efficient.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a reaming and shaping tool comprises a reaming arm, an elastic piece and a clamp handle; the broaching arm comprises a first broaching arm and a second broaching arm, and the elastic part comprises a first connecting part connected with the first broaching arm, a second connecting part connected with the second broaching arm and an elastic part; the first reaming arm and the second reaming arm comprise supporting parts which are arranged in an abutting mode.

Preferably, the first and second reamer arms are provided with reamer sleeves.

Preferably, the reaming sleeve comprises a reaming part in surface contact with the reaming arm and a limiting part positioned at the end part of the reaming part.

Preferably, the reaming sleeve is a polytetrafluoroethylene sleeve.

Preferably, the first reamer arm and the second reamer arm include a first limiting surface and a second limiting surface located on two sides of the support portion.

Preferably, the first and second reamer arms are rod-shaped structures, and the elastic element is located in the middle of the rod-shaped structures.

Preferably, the hole expanding arm is sleeved with an annular limiting sleeve, and a positioning pin is arranged on the limiting sleeve.

Preferably, the forceps handle, the first reamer arm and the first connecting portion are connected by screws, and the forceps handle, the second reamer arm and the second connecting portion are connected by screws.

Preferably, the elastic part is an arc-shaped elastic sheet.

To sum up, compare with prior art, the utility model has the advantages of: the two cylindrical reaming arms are twisted through the forceps handle to realize reaming and shaping operations, so that the operation is convenient and fast; the polytetrafluoroethylene reaming sleeve with the self-lubricating function is contacted with the lens cone, so that the lens cone is prevented from being abraded; the limiting sleeve is positioned on the outer side of the lens cone and is matched with the positioning pin to limit the reaming size of the lens cone so as to ensure the reaming shaping precision.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a front view of the structure of the present invention.

The reference numbers in the figures are as follows:

1. the drilling tool comprises a drilling arm, 11, a first drilling arm, 12, a second drilling arm, 13, a supporting part, 14, a first limiting surface, 15, a second limiting surface, 2, an elastic part, 21, a first connecting part, 22, a second connecting part, 23, an elastic part, 3, a forceps handle, 4, a drilling sleeve, 41, a drilling part, 42, a limiting part, 5, a limiting sleeve and 51 positioning pins.

Detailed Description

The invention will be further described with reference to the following examples in the drawings.

The reaming and shaping tool shown in fig. 1 and 2 comprises a reaming arm 1, an elastic piece 2 and a forceps handle 3, wherein the reaming arm 1 is of a cylindrical structure. The reamer arm 1 comprises a first reamer arm 11 and a second reamer arm 12, the spring 2 comprises a first connection portion 21 connected to the first reamer arm 11, a second connection portion 22 connected to the second reamer arm 12, and a spring portion 23. The first and second

reamer arms

11 and 12 include support portions 13 that are disposed in contact with each other. The reaming arms 1 are of a columnar structure, the clamp handles 3 are approximately perpendicular to the reaming arms 1, the two reaming arms 1 are twisted by applying force to the clamp handles 3, the bearing portions 13 serve as fulcrums to be twisted, the outer side faces of the reaming arms 1 are expanded, reaming and shaping operations are achieved, and the reaming and shaping operation is convenient and fast.

The first hole expanding arm 11 and the second hole expanding arm 12 are provided with hole expanding sleeves 4, when the hole expanding device is used, the hole expanding sleeves 4 are inserted into lens barrels, and the lens barrels with different hole diameters can be adapted by replacing the hole expanding sleeves 4. The reamer sleeve 4 includes a reamer part 41 in surface contact with the reamer arm 1, and a stopper part 42 at the end of the reamer part 41. During operation, the limiting part 42 is abutted against the end part of the lens barrel to position the lens barrel, so that the lens barrel is prevented from moving in the reaming and shaping process. The reaming sleeve 4 can be a polytetrafluoroethylene sleeve, has a self-lubricating function and avoids abrasion to the lens cone.

The first and second

reamer arms

11 and 12 include first and second

limiting surfaces

14 and 15 located on both sides of the support portion 13. The first limit surface 14 and the second limit surface 15 form a certain angle, the supporting part 13 is the intersecting edge of the two limit surfaces, and the supporting parts 13 of the two reaming arms 1 are abutted to form a fulcrum during torsion. In the released state of the elastic portion 23, the two first stopper surfaces 14 are in contact, and in the compressed state of the elastic portion 23, i.e., the hole-expanding shaping operation, the second stopper surfaces 15 approach each other and function to limit the torsion angle of the hole-expanding arm 1. The first and second

reamer arms

11 and 12 are rod-shaped structures, and the elastic element 2 is located in the middle of the rod-shaped structures. The end part of the hole expanding arm 1 is sequentially provided with step-shaped hole expanding sections with gradually reduced diameters from inside to outside so as to carry out hole expanding and shaping operations on lens cone structures with different apertures.

In one embodiment, the hole-expanding arm 1 is sleeved with an annular limiting sleeve 5, and the limiting sleeve 5 is provided with a positioning pin 51. The stop collar 5 is located the lens cone outside, and during the use, screw locating pin 51 tip offsets with the lens cone lateral wall, the reaming size of restriction lens cone to guarantee reaming plastic precision.

The forceps handle 3, the first reamer arm 11, and the first connection portion 21 are connected to each other by screws, and the forceps handle 3, the second reamer arm 12, and the second connection portion 22 are connected to each other by screws. In this embodiment, the elastic portion 23 is an arc-shaped elastic sheet or an arc-shaped spring, and may be an elastic sheet structure integrated with the first connecting portion 21 and the second connecting portion 22, or an elastic member connected with the first connecting portion 21 and the second connecting portion 22 through screws, and provides a restoring force for the reamer arm 1 after the reaming and shaping operation is completed.

The above description is only for explaining the present invention, so that the person skilled in the art can completely implement the present invention, but not for limiting the present invention, and after reading the present specification, the person skilled in the art can make modifications to the present embodiment as required without inventive contribution, which are all modifications without inventive contribution, but are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a reaming plastic frock which characterized in that: comprises a hole expanding arm (1), an elastic piece (2) and a clamp handle (3); the reaming arm (1) comprises a first reaming arm (11) and a second reaming arm (12), the elastic piece (2) comprises a first connecting part (21) connected with the first reaming arm (11), a second connecting part (22) connected with the second reaming arm (12), and an elastic part (23); the first hole expanding arm (11) and the second hole expanding arm (12) comprise supporting parts (13) which are arranged in an abutting mode.

2. The reaming and shaping tool according to claim 1, which is characterized in that: and the first hole expanding arm (11) and the second hole expanding arm (12) are provided with hole expanding sleeves (4).

3. The reaming and shaping tool according to claim 2, characterized in that: the reaming sleeve (4) comprises a reaming part (41) in surface contact with the reaming arm (1) and a limiting part (42) positioned at the end part of the reaming part (41).

4. The reaming and shaping tool according to claim 2, characterized in that: the reaming sleeve (4) is a polytetrafluoroethylene sleeve.

5. The reaming and shaping tool according to claim 1, which is characterized in that: the first reaming arm (11) and the second reaming arm (12) comprise a first limiting surface (14) and a second limiting surface (15) which are positioned on two sides of the supporting part (13).

6. The reaming and shaping tool according to claim 1, which is characterized in that: the first hole expanding arm (11) and the second hole expanding arm (12) are rod-shaped structures, and the elastic piece (2) is located in the middle of the rod-shaped structures.

7. The reaming and shaping tool according to claim 6, characterized in that: the hole expanding arm (1) is sleeved with an annular limiting sleeve (5), and a positioning pin (51) is arranged on the limiting sleeve (5).

8. The reaming and shaping tool according to claim 1, which is characterized in that: the pliers handle (3), the first hole expanding arm (11) and the first connecting portion (21) are connected through screws, and the pliers handle (3), the second hole expanding arm (12) and the second connecting portion (22) are connected through screws.

9. The reaming and shaping tool according to claim 1, which is characterized in that: the elastic part (23) is an arc-shaped elastic sheet.