CN215214287U - Connecting piece with axial front and rear end positioning function - Google Patents
Connecting piece with axial front and rear end positioning function Download PDFInfo
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- CN215214287U CN215214287U CN202120783598.1U CN202120783598U CN215214287U CN 215214287 U CN215214287 U CN 215214287U CN 202120783598 U CN202120783598 U CN 202120783598U CN 215214287 U CN215214287 U CN 215214287U
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- rear end
- connecting piece
- axial front
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Abstract
The utility model relates to a connecting piece with axial front and back end positioning function, which comprises a bolt main body, a positioning rod and a compression nut, wherein the bolt main body comprises a rod part and a cap part, and the cap part is provided with an axial positioning hole; the positioning rod is arranged in the positioning hole; the compression nut is sleeved on the rod part, the compression nut and the cap part are clamped between the compression nut and the first positioned part by the connecting piece and the first positioned part in a service state, the second positioned part abuts against the tail end of the cap part, and meanwhile, two ends of the positioning rod are inserted into the first positioned part and the second positioned part in a positioning mode respectively. Compared with the prior art, the utility model makes full use of the existing connecting piece in the component to realize the positioning of other parts, thereby solving the problem of insufficient space; for assemblies with sufficient space, a certain degree of cost savings can be achieved, reducing the number of other parts used, while also saving space.
Description
Technical Field
The utility model belongs to the technical field of the connection and fastener and specifically relates to a connecting piece with axial front and back end locate function is related to.
Background
At present, the common positioning methods in mechanical assemblies are fastener connection, riveting, welding, positioning pins and the like, which are generally single-function connection, but due to the complexity of the mechanical assemblies, space limitation is often encountered, and the conventional positioning method is inconvenient to adopt.
In a specific application process, the serial connection requirement of a plurality of connecting pieces often exists, wherein a three-piece type connection structure is particularly special, the connected piece on one side has no rotation limiting requirement, two parts on the other side have the rotation limiting requirement, and the existing bolt can only axially fasten the three pieces in series, so that the positioning requirement on one side cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a connecting piece with axial front and back end locate function in order to overcome the defect that above-mentioned prior art exists, make full use of current connecting piece realize the location of other parts, solved the not enough problem in space.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a purpose protects a connecting piece with axial front and back end locate function, the connecting piece includes bolt main part, locating lever, gland nut, wherein specifically:
the bolt main body comprises a rod part and a cap part, and the cap part is provided with an axial positioning hole;
the positioning rod is arranged in the positioning hole;
the compression nut is sleeved on the rod part, the compression nut and the cap part are clamped between the compression nut and the first positioned part by the connecting piece and the first positioned part in a service state, the second positioned part abuts against the tail end of the cap part, and meanwhile, two ends of the positioning rod are inserted into the first positioned part and the second positioned part in a positioning mode respectively.
Furthermore, the locating rod is a smooth rod or one end of the locating rod is provided with an external thread.
Further, the positioning rod is tightly matched with the positioning hole.
Furthermore, the first to-be-positioned part and the second to-be-positioned part are both provided with positioning holes matched with the positioning rods.
Further, the positioning hole on the first positioned part is an internal screw hole.
Further, the positioning hole on the second positioned piece is a smooth hole.
Furthermore, the positioning holes are uniformly formed in the cap part.
Furthermore, the positioning holes are distributed on the cap part in a central symmetry mode.
Further, the ratio of the diameter of the cap part to the length of the rod part is 0.6 to 1.
Further, the length of the positioning rod is 0.2-0.6 of the length of the rod.
Compared with the prior art, the utility model discloses following technical advantage has:
1) the existing connecting piece in the assembly is fully utilized to realize the positioning of other parts, so that the problem of insufficient space is solved;
2) for assemblies with sufficient space, a certain degree of cost savings can be achieved, reducing the number of other parts used, while also saving space.
Drawings
Fig. 1 is a schematic structural diagram of a connecting piece with axial front and rear end positioning functions in a service state in the technical scheme;
fig. 2 is a schematic structural diagram of a bolt body in the present technical solution.
In the figure: 1. bolt main part, 2, gland nut, 3, by the connecting piece, 4, first by the setting element, 5, locating lever, 6, second by the setting element, 11, locating hole.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The utility model relates to a bolt assembly in has integrateed fastening connection and the location to three parts of serial-type, has the function of location when realizing traditional fastening connection, and the one end of the connecting piece of the design of this technical scheme innovation is traditional screw nut fastening connection, and the other end is opened there is the locating hole, can insert the locating pin and fix a position. Compared with the prior art, the utility model discloses make full use of current connecting piece realize the location of other parts, solved the not enough problem in space.
The purpose of this application is to protect a connecting piece with axial front and back end locate function, and the connecting piece includes bolt main part 1, locating lever 5, gland nut 2, see fig. 1 and 2.
The bolt body 1 comprises a rod part and a cap part, wherein an external thread is arranged on the specific length of the rod part, and the bolt body is matched with the compression nut 2 to realize an axial compression structure, wherein the cap part is provided with an axial positioning hole 11. The compression nut 2 is sleeved on the rod part, the compression nut 2 and the cap part are clamped between the connecting piece 3 and the first positioned piece 4 in a service state, the second positioned piece 6 abuts against the tail end of the cap part, and meanwhile, two ends of the positioning rod 5 are inserted into the first positioned piece 4 and the second positioned piece 6 in a positioning mode respectively.
The positioning rod 5 is arranged in the positioning hole 11, the positioning rod 5 is a smooth rod or is provided with an external thread at one end, and the positioning rod 5 is tightly matched with the positioning hole 11.
The first to-be-positioned part 4 and the second to-be-positioned part 6 are both provided with positioning holes matched with the positioning rods 5. During specific implementation, the positioning hole on the first positioned part 4 is an internal screw hole, and the positioning hole on the second positioned part 6 is a smooth hole, wherein the single-end screw design can realize the screw fastening connection with the positioning hole on the first positioned part 4, and simultaneously, the plug-in type positioning connection of the positioning hole on the second positioned part 6 is formed.
The positioning holes 11 are uniformly formed in the cap, and during specific implementation, the positioning holes 11 are distributed on the cap in a central symmetry mode, so that the balance of positioning stress is facilitated, and the positioning stability of the whole structure is realized.
During specific design, the ratio of the diameter of the cap part to the length of the rod part is 0.6-1, the overall length is kept in the range, the ratio of the length of the positioning rod 5 to the length of the rod part is 0.2-0.6, and the positioning anchoring force of the positioning rod 5 is kept and the excellent positioning stability of the overall structure is kept.
The connecting piece with the axial front and rear end positioning function in the technical scheme fully utilizes the existing connecting piece in the assembly to realize the positioning of other parts, thereby solving the problem of insufficient space; for assemblies with sufficient space, a certain degree of cost savings can be achieved, reducing the number of other parts used, while also saving space.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. A connector having axial forward and rearward end positioning, said connector comprising:
the bolt comprises a bolt main body (1) and a bolt fastening device, wherein the bolt main body comprises a rod part and a cap part, and the cap part is provided with an axial positioning hole (11);
the positioning rod (5) is arranged in the positioning hole (11);
the compression nut (2) is sleeved on the rod part, the compression nut (2) and the first locating part (4) are clamped between the compression nut (2) and the cap part in a service state, the second locating part (6) is abutted to the tail end of the cap part, and meanwhile the two ends of the positioning rod (5) are inserted into the first locating part (4) and the second locating part (6) in a positioning mode respectively.
2. A connector with axial front and rear end positioning function according to claim 1, characterized in that the positioning rod (5) is a smooth rod or is externally threaded at one end.
3. A connector with axial front and rear end positioning function according to claim 2, characterized in that the positioning rod (5) is tightly fitted with the positioning hole (11).
4. The connecting piece with the axial front and rear end positioning function according to claim 2, wherein the first to-be-positioned piece (4) and the second to-be-positioned piece (6) are provided with positioning holes matched with the positioning rods (5).
5. A connecting piece with axial front and rear end positioning function according to claim 4, characterized in that the positioning hole on the first positioned piece (4) is an internal screw hole.
6. A connecting piece with axial front and rear end positioning function according to claim 4, characterized in that the positioning hole on the second positioned piece (6) is a smooth hole.
7. A connecting member with axial front and rear end positioning function according to claim 4, characterized in that said positioning hole (11) is uniformly provided in plurality on the cap portion.
8. A connecting element with axial front and rear end positioning function according to claim 7, characterized in that the positioning holes (11) are arranged on the cap in a central symmetry.
9. A connecting member having an axial front-rear end positioning function as set forth in claim 1, wherein the ratio of the diameter of said cap portion to the length of said rod portion is 0.6 to 1.
10. The connecting piece with axial front and rear end positioning function according to claim 1, wherein the ratio of the length of the positioning rod (5) to the length of the rod part is 0.2-0.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120783598.1U CN215214287U (en) | 2021-04-16 | 2021-04-16 | Connecting piece with axial front and rear end positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120783598.1U CN215214287U (en) | 2021-04-16 | 2021-04-16 | Connecting piece with axial front and rear end positioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215214287U true CN215214287U (en) | 2021-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120783598.1U Active CN215214287U (en) | 2021-04-16 | 2021-04-16 | Connecting piece with axial front and rear end positioning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215214287U (en) |
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2021
- 2021-04-16 CN CN202120783598.1U patent/CN215214287U/en active Active
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