CN216768020U

CN216768020U - Lightweight high-precision positioning telescopic pin assembly for carbon fiber frame

Info

Publication number: CN216768020U
Application number: CN202123126797.4U
Authority: CN
Inventors: 褚春旭; 叶超
Original assignee: Jushuo Precision Machinery Changshu Co ltd
Current assignee: Jushuo Precision Machinery Changshu Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-17
Anticipated expiration: 2031-12-13

Abstract

The utility model belongs to the technical field of positioning supports, and relates to a light-weight high-precision positioning telescopic pin component for a carbon fiber frame, which comprises a trimming ball connecting piece, a telescopic rod and a telescopic pin fixing handle, wherein the diagonal line of a diamond-shaped through hole is respectively along the X direction and the Y direction, the trimming ball connecting piece is provided with an extending part extending in the X direction, the hole wall of the diamond-shaped through hole is also provided with an X-direction screw hole, x is to the through-hole, Y is to screw and Y to the through-hole, X sets up in X to the both ends of diagonal to the through-hole to screw and X with the same axle, Y is to screw and Y to the through-hole with the same axle set up in Y to the both ends of diagonal, the fixed handle of telescopic pin includes cylindricality portion, be located the handle portion of cylindricality portion one end and be located the screw thread portion of the other end of cylindricality portion, be equipped with the regulation waist hole that is passed by cylindricality portion on the telescopic link, screw thread portion can connect on X is to screw or Y to the screw, handle portion is located X outside to through-hole or Y to the through-hole. The assembly has the advantages of simple structure, low cost, convenient operation, accurate positioning and large bearing capacity.

Description

Lightweight high-precision positioning telescopic pin assembly for carbon fiber frame

Technical Field

The utility model relates to the technical field of positioning supports, in particular to a light-weight high-precision positioning telescopic pin assembly for a carbon fiber frame.

Background

The machine manufacturing industry is a foundation for modern industries and has long been looking at improving production efficiency and processing quality. With the increasing environmental awareness and the increasing shortage of natural resources, the limited utilization of energy and resources and the reduction of pollution are increasingly emphasized in production. The transformation of the manufacturing industry also brings new development opportunities for the industry. With the revolutionary breakthrough and cross fusion of important fields such as information technology, new energy and new materials and the like and the forward direction, the manufacturing industry has gradually advanced to the lightweight and intelligent information era. Low energy consumption promotes lightweight manufacturing, and it is increasingly difficult for existing metal bearing structures to reduce weight. The use of composite materials has become quite common in recent years as one of the important elements of lightweight manufacturing, particularly in the automotive and aerospace industry.

The checking fixture and the clamp are used as basic components of a measuring technology, the functions of the checking fixture and the clamp in the production field are more and more obvious, the forms of the traditional checking fixture and the clamp special for a single vehicle model can not meet the requirements gradually, and a vehicle factory has higher requirements on the economy and the quick response capability of products of checking fixtures and clamp suppliers, so that the requirements on multifunction, flexibility and high efficiency are met, and the satisfaction degree of customers is directly determined at low cost. General structural members such as a detection tool, an opening detection tool, a measurement support, a clamp, a mounting tool and a gripping tool are usually fixed in position through a carbon fiber frame at present.

In the frame, a telescopic pin assembly is required in some places to finely adjust the relative position. However, the current telescopic pin assembly often has the following problems:

1) the shaft and the hole are in clearance fit to realize a telescopic function, and a positioning function is realized by combining with the plug pin, so that the positioning precision is low;

2) the shaft and the hole are in line contact when initially bearing, a gap exists, and the bearing capacity is poor;

3) in the use process, the mounting is vertical, the mounting interface cannot be directly connected with a part, and an adapter is required;

4) the whole structure has a plurality of parts and high cost.

It is therefore necessary to provide a new connection assembly to avoid the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a lightweight high-precision positioning telescopic pin assembly for a carbon fiber frame, which can realize quick lifting adjustment of the connection position of the carbon fiber frame.

The utility model realizes the purpose through the following technical scheme: the utility model provides a light-weighted high accuracy location telescopic pin subassembly for carbon fiber frame, is including the side cut ball connecting piece that has Z to rhombus through-hole, pass rhombus through-hole's telescopic link and traversing side cut ball connecting piece with the telescopic pin fixed handle of telescopic link, the rhombus through-hole has X to diagonal and Y to the diagonal, the periphery of telescopic link have with four tangent planes that the pore wall of rhombus through-hole hugs closely, still be equipped with X on the pore wall of rhombus through-hole to screw, X to through-hole, Y to screw and Y to through-hole, X to the screw with X sets up to the through-hole is coaxial in X to the both ends of diagonal, Y to the screw with Y sets up to the through-hole is coaxial in Y to the both ends of diagonal, telescopic pin fixed handle includes cylindricality portion, is located the handle portion of cylindricality portion one end and is located the screw thread portion of the other end of cylindricality portion, the telescopic rod is provided with an adjusting waist hole which is penetrated by the cylindrical part, the thread part is connected to the X-direction screw hole or the Y-direction screw hole, and the handle part is positioned outside the X-direction through hole or the Y-direction through hole.

Specifically, a spherical handle is fixed at the bottom end of the telescopic rod.

Specifically, the top of telescopic link is equipped with the outside and is the shaft hole of back taper.

Specifically, the trim ball attachment member further includes an extension extending in an X-direction, and the X-direction threaded hole is adjacent to the extension.

Specifically, the cylindrical portion overcoat is equipped with the gasket, the gasket by the centre gripping in handle portion with between the telescopic link.

The technical scheme of the utility model has the beneficial effects that:

the assembly has simple structure and low cost. The telescopic pin fixing handle can be fixed on the trimming ball connecting piece in a vertical mode, and when the telescopic pin fixing handle is unscrewed, the cylindrical part can move up and down within the range limited by the adjusting waist hole, so that the relative height of the trimming ball connecting piece and the telescopic rod can be adjusted; when the telescopic pin fixing handle is screwed down, the handle part can abut against the side face of the telescopic rod and enable the two tangent planes to abut against the inner wall of the rhombic through hole, so that the telescopic rod is clamped tightly, and the relative position of the edge cutting ball connecting piece and the telescopic rod is fixed. The adjustment and the fixation are controlled by pulling the telescopic pin fixing handle, and the operation is convenient. Because the telescopic link passes through two plane contacts with side cut ball connecting piece, so fix a position accurately, the bearing capacity is big moreover.

Drawings

FIG. 1 is a perspective view of a first mode of attachment of the present dowel assembly;

FIG. 2 is a perspective view of a second mode of attachment of the present dowel assembly;

FIG. 3 is a perspective view of a trim ball attachment;

FIG. 4 is a perspective view of the telescoping pole;

fig. 5 is a view showing a positional relationship between the retractable pin fixing handle and the spacer.

The figures in the drawings represent:

1-edge cutting ball connecting piece, 11-diamond through hole, 12-extending part, 13-X direction screw hole, 14-X direction through hole, 15-Y direction screw hole, 16-Y direction through hole,

2-telescopic rod, 21-section, 22-adjusting waist hole, 23-shaft hole;

3-a ball-type handle;

4-telescopic pin fixed handle, 41-cylindrical part, 42-handle part, 43-threaded part;

5-a gasket.

Detailed Description

The present invention will be described in further detail with reference to specific examples.

Example (b):

as shown in figures 1 to 5, the light-weight high-precision positioning telescopic pin component for the carbon fiber frame comprises a trimming ball connecting piece 1 with a Z-direction diamond-shaped through hole 11, a telescopic rod 2 penetrating through the diamond-shaped through hole 11, a spherical handle 3 fixed at the bottom end of the telescopic rod 2 and a telescopic pin fixing handle 4 transversely penetrating through the trimming ball connecting piece 1 and the telescopic rod 2, wherein the diamond-shaped through hole 11 is provided with an X-direction diagonal line and a Y-direction diagonal line, the periphery of the telescopic rod 2 is provided with four tangent planes 21 tightly attached to the wall of the diamond-shaped through hole 11, the wall of the diamond-shaped through hole 11 is also provided with an X-direction screw hole 13, an X-direction through hole 14, a Y-direction screw hole 15 and a Y-direction through hole 16, the X-direction screw hole 13 and the X-direction through hole 14 are coaxially arranged at two ends of the X-direction diagonal line, the Y-direction screw hole 15 and the Y-direction through hole 16 are coaxially arranged at two ends of the Y-direction diagonal line, and the telescopic pin fixing handle 4 comprises a cylindrical part 41, A handle part 42 positioned at one end of the cylindrical part 41 and a screw part 43 positioned at the other end of the cylindrical part 41, wherein the telescopic rod 2 is provided with an adjusting waist hole 22 penetrated by the cylindrical part 41, the screw part 43 can be connected to the X-direction screw hole 13 or the Y-direction screw hole 15, and the handle part 42 is positioned outside the X-direction through hole 14 or the Y-direction through hole 16. The spherical handle 3 is used for grasping the telescopic rod 2, and the rotating handle 5 is convenient to rotate. The telescopic pin fixing handle 4 can be fixed on the trimming ball connecting piece 1 in a vertical mode, the first mode is that the telescopic pin fixing handle penetrates through the X-direction through hole 14 and the adjusting waist hole 22 in sequence to be fixed on the X-direction screw hole 13, and the second mode is that the telescopic pin fixing handle penetrates through the Y-direction through hole 16 and the adjusting waist hole 22 in sequence to be fixed on the Y-direction waist hole 15. The assembly has simple structure and low cost. When the telescopic pin fixing handle 4 is unscrewed, the cylindrical part 41 can move up and down within the range limited by the adjusting waist hole 22, so that the relative height of the trimming ball connecting piece 1 and the telescopic rod 2 can be adjusted; when the telescopic pin fixing handle 4 is screwed, the handle part 42 can abut against the side surface of the telescopic rod 2 and enable the two tangent planes 21 to abut against the inner wall of the diamond-shaped through hole 11, so that the telescopic rod 2 is clamped, and the relative position of the trimming ball connecting piece 1 and the telescopic rod 2 is fixed. The adjustment and the fixation are controlled by pulling the telescopic pin fixing handle 4, and the operation is convenient. Because the telescopic rod 2 is in contact with the trimming ball connecting piece 1 through two planes, the positioning is accurate, and the bearing capacity is large.

As shown in fig. 1, 2 and 4, the top end of the telescopic rod 2 is provided with a shaft hole 23 with an inverted cone shape at the outer part. The shaft hole 23 is used for positioning and arranging other carbon fiber frame parts.

As shown in fig. 5, the gasket 5 is fitted around the cylindrical portion 41, and the gasket 5 is sandwiched between the handle portion 42 and the telescopic rod 2. The gasket 5 can transmit the pressure of the handle portion 42 to the telescopic rod 2, and can prevent the telescopic rod 2 and the handle portion 42 from being worn due to hard contact.

As shown in fig. 1 to 3, the trim ball attachment 1 further has an extension 12 extending in the X-direction, and the X-direction threaded hole 13 is adjacent to the extension 12. The extension 12 is intended to be connected to the rest of the carbon fibre frame. When the retractable pin fixing handle 4 is fixed from the X direction, the extension 12 does not interfere with the rotation of the handle portion 42.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a lightweight high accuracy locating telescopic pin subassembly for carbon fiber frame which characterized in that: including the side cut ball connecting piece that has Z to rhombus through-hole, pass the telescopic link of rhombus through-hole and transversely pass side cut ball connecting piece with the telescopic pin fixed handle of telescopic link, the rhombus through-hole has X to diagonal and Y to the diagonal, the periphery of telescopic link have with four tangent planes that the pore wall of rhombus through-hole is hugged closely, still be equipped with X on the pore wall of rhombus through-hole to screw, X to through-hole, Y to screw and Y to the through-hole, X to the screw with X to the through-hole coaxial set up in X to the both ends of diagonal, Y to the screw with Y to the through-hole coaxial set up in Y to the both ends of diagonal, the telescopic pin fixed handle include cylindricality portion, be located the handle portion of cylindricality portion one end and be located the screw thread portion of the other end of cylindricality portion, be equipped with on the telescopic link by the regulation waist hole that cylindricality portion passed, the screw thread portion can be connected to the X-direction screw hole or the Y-direction screw hole, and the handle portion is located outside the X-direction through hole or the Y-direction through hole.

2. The lightweight high precision dowel assembly for carbon fiber frames of claim 1, wherein: the bottom end of the telescopic rod is fixed with a spherical handle.

3. The lightweight high precision dowel assembly for carbon fiber frames of claim 1, wherein: the top of telescopic link is equipped with the outside and is the shaft hole of back taper.

4. The lightweight high precision dowel assembly for carbon fiber frames of claim 1, wherein: the trimming ball connecting piece is also provided with an extension part extending in the X direction, and the X-direction screw hole is close to the extension part.

5. The lightweight high precision dowel assembly for carbon fiber frames of claim 1, wherein: the cylindrical part is sleeved with a gasket, and the gasket is clamped between the handle part and the telescopic rod.