CN213206394U

CN213206394U - Reed, self-locking assembly and connector

Info

Publication number: CN213206394U
Application number: CN202021412857.1U
Authority: CN
Inventors: 鲍宜云; 党作红; 雷波
Original assignee: Avic Fushida Technology Co ltd
Current assignee: Avic Fushida Technology Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-05-14
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a reed, a self-locking component and a connector, in particular to a reed, wherein the whole reed is of a ring tube type structure and comprises a self-locking section and a connecting section which are coaxially connected in sequence along the axial direction; the self-locking section has radial elastic deformation capacity, and the self-locking section is provided with an axial limiting structure facing the central shaft at the near end part; the end part of the rotary bending structure is at least provided with a point contact surface and a section; the point contact surface is close to the central axis, and the section and the horizontal plane of the central axis form an included angle of at least 60 degrees. Through the technical scheme of the utility model, reed, auto-lock subassembly that provide are when being used for the connection of connector, and spacing ability of axial and radial elastic deformation ability are more stable, simultaneously, when force separation socket and outer conductor, have increased axial separation's the degree of difficulty, make the connector whole safer.

Description

Reed, self-locking assembly and connector

Technical Field

The utility model belongs to radio frequency components and parts field, concretely relates to reed, auto-lock subassembly and connector.

Background

Coaxial connectors are one type of microwave component and are used to connect various electromechanical components of microwave circuits. The method can be used for the output and input ports of microwave instrument equipment, the connection between various radio frequency modules, the connection between transmitting equipment and an antenna and the like. Coaxial connectors must meet impedance matching requirements and must be able to meet the electrical and mechanical performance requirements of the transmission system. Coaxial connectors consist of two parts, a plug and a socket, the active connection part with the locking device being generally called plug and the passive connection part called socket. The conventional connection methods of the coaxial connector include: threaded connections, bayonet connections, plug-in connections, etc. However, these connection methods have problems of vibration failure, discontinuous transmission characteristics, large installation space, complex connection operation, and the like. Therefore, some connectors with insertion connection and self-locking functions are realized through a spring locking mechanism and an unlocking device at present, but the defects of difficult operation, complex production process and high production cost during unlocking and separation exist, and the requirements of electrical appliances and mechanical properties cannot be met.

Disclosure of Invention

The utility model aims at providing a reed, auto-lock subassembly and connector, through the technical scheme of the utility model, solve present connector and connect unstable and unsafe problem.

The utility model discloses the following technical scheme of technical problem accessible that solve realizes:

a reed is of a ring-tube structure integrally and comprises a self-locking section and a connecting section which are coaxially connected in sequence along the axial direction;

the self-locking section has radial elastic deformation capacity, and a rotary bending structure inclined to the central shaft is arranged at the near end part of the self-locking section;

the end part of the rotary bending structure is at least provided with a point contact surface and a section;

the point contact surface is close to the central axis, and the section and the horizontal plane of the central axis form an included angle of at least 60 degrees.

Optionally, the cross section is a rectangular plane.

Optionally, the section and the horizontal plane of the central shaft form an included angle of 60-360 degrees.

Optionally, the end of the connecting section is provided with a radially extending clamping body.

Optionally, the self-locking section is formed by a plurality of split parts arranged at intervals along the circumferential direction, and the end parts of the split parts are connected with axial limiting bodies; a radial contraction platform is arranged on the split piece at least along the circumference; the axial limiting body is a single-side arc-shaped piece or a double-side arc-shaped piece which extends along the split piece and is formed by bending towards the central shaft.

Optionally, the end width edge of the axial limiting body is a planar contact platform, and at least a concave buffer platform is dug on the contact platform.

Optionally, the width edge of the end part of the axial limiting body is a contact platform with an arc-shaped surface.

Optionally, the reed form an annular structure through buffering joint structure in the linkage segment, buffering joint structure forms for the protruding piece and the sunken piece of mutual interlock.

A self-locking assembly is provided with a self-locking sleeve, and a reed is coaxially wrapped in the self-locking sleeve and is the reed disclosed by the invention.

Optionally, the self-locking sleeve is of a tubular structure, an inward-bent unlocking limit ring table is annularly arranged at an end part of the tubular structure, and the edge of the unlocking limit ring table is of a line contact structure; the self-locking section of the reed is wrapped in the unlocking limit ring table and is in line contact with the unlocking limit ring table.

Optionally, at least one axial limiting table protruding towards the central shaft is annularly arranged on the inner wall of the self-locking sleeve.

A connector comprises a socket and an outer conductor, wherein a self-locking assembly is arranged along the axial direction to connect the socket and the outer conductor, and the self-locking assembly is the self-locking assembly disclosed by the disclosure.

Optionally, a socket clamping table is annularly arranged on the outer wall of the socket, and the rotary bending structure of the reed is clamped on the socket clamping table; the outer wall of the outer conductor is annularly provided with an outer conductor limiting platform, and the connecting section of the reed is clamped on the outer conductor limiting platform.

Through the technical scheme of the utility model, reed, auto-lock subassembly that provide are when being used for the connection of connector, and spacing ability of axial and radial elastic deformation ability are more stable, simultaneously, when force separation socket and outer conductor, have increased axial separation's the degree of difficulty, make the connector whole safer.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic view of the structure of the reed of the present invention;

FIG. 2 is a perspective view of the alternate angle of FIG. 1;

FIG. 3 is a cross-sectional view of the structure of FIG. 1;

FIG. 4 is an enlarged view of the end construction of the reed of FIG. 1;

FIG. 5 is a schematic view of the end construction of the reed of FIG. 1;

FIG. 6 is a schematic view of another reed structure of the present invention;

FIG. 7 is an enlarged view of the end construction of the reed of FIG. 6;

FIG. 8 is a schematic view of the end construction of the reed of FIG. 6;

FIG. 9 is a schematic view of a self-locking sleeve structure engaged with a spring plate;

fig. 10 is a schematic view of the connector of the present invention;

fig. 11 is a schematic view of the connector of the present invention;

the reference numerals in the figures denote:

a-reed, a 1-self-locking section, a11(a11 ') -split piece, a 111-radial contraction table, a12(a12 ') -axial limiting body, a121(a121 ') -contact table, a1211(a1211 ') -point contact surface, a1212(a1211 ') -cross section, a 122-buffer table, a 2-connecting section, a 21-clamping body and a 22-buffer clamping structure; b-self-locking sleeve, b 1-unlocking limit ring table, b 2-axial limit table;

1-socket, 11-socket clamping table, 2-outer conductor and 21-outer conductor limiting table.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, use of the directional terms "upper" and "lower" generally refer to the definition in the drawing figures of the accompanying drawings, and "inner" and "outer" refer to the inner and outer of the contours of the corresponding parts.

With reference to fig. 1-8, the reed a of the present invention is of a ring-tube structure, and includes a self-locking section a1 and a connecting section a2 coaxially connected in sequence along the axial direction; the self-locking section a1 has radial elastic deformation capacity, and a rotary bending structure inclined to the central shaft is arranged at the proximal end part of the self-locking section a 1; the end of the rotary bending structure is at least surrounded by a point contact surface a1211 or a1211 'and a section a1212 or a 1212'; the term "surrounding" mainly refers to that the point contact surface a1211 or a1211 ' and the cross section a1212 or a1212 ' are both continuous surfaces, and preferably, since the end of the rotary bending structure is a broken structure surrounded by a plurality of surfaces, at least one cross section exists, there are at least two bending surfaces, the cross section a1212 or a1212 ' is arranged at the broken position of the broken structure, and the point contact surface a1211 or a1211 ' is arranged on at least one bending surface, for example, machined into an arc surface, which is in smooth transition and continuous connection with the cross section a1212 or a1212 '; specifically, in combination with fig. 2, the section a1212 or a1212 ' forms an angle of at least 60 ° with the horizontal plane of the central axis at the right side, for example, the section a1212 or a1212 ' forms an angle of at least 60 ° with the horizontal plane of the central axis at the right side, such as the angle of 90 ° shown in fig. 2, and the section a1212 or a1212 ' is a rectangular plane, so that the processing is simple, and in actual use, the section a1212 or a1212 ' may be processed into various plane structures or planes with different angles in order to meet the structure of different outer conductors, as long as it is ensured that the section a1212 or a1212 ' does not contact with other parts of the outer conductors. The point contact surface a1211 or a1211 'is arranged to ensure that the reed a is in point contact with the arc-shaped surface of the cylindrical outer conductor when being matched with the outer conductor for use, for example, the point contact surface a1211 or a 1211' can be the arc-shaped surface, so that the point contact is equivalent to the point contact in the tangential direction of the cylindrical outer conductor, the contact area is reduced, and the structure of the outer conductor is protected; the section a1212 or a1212 'is at least 60 ° from the horizontal plane of the central axis, so that the spring a is usually clamped with an inclined surface of the outer conductor in the matching connection with the outer conductor, except that the point contact surface a1211 or a 1211' is contacted with the outer conductor, other parts of the end part are not contacted with the outer conductor, and at least are ensured not to be contacted with the inclined surface on the outer conductor, so as to reduce interference.

In the embodiment of the present disclosure, the section a1212 or a1212 'is a rectangular plane, which is easy to operate when performing the process of the rotation bending structure, and the rectangular plane is also convenient for processing the point contact surface a1211 or a 1211'.

In the embodiment of the present disclosure, an included angle between the section a1212 or a 1212' and a horizontal plane of the central axis is 60 to 360 °, specifically referring to the structures in fig. 4, 5, 7 and 8, the section a1212 in fig. 4 and 5 is a rectangular plane, and a bending position of the section a1212 near the central axis is processed into an arc-shaped point contact surface a1211, because a normal inclination angle of a connection inclined plane of the outer conductor is about 55 °, in order to ensure that other parts of the end portion do not contact with the outer conductor, the included angle between the section a1212 and the horizontal plane of the central axis is at least greater than 55 °; in the structure shown in fig. 7 and 8, the section a1212 'is formed by the re-bending structure of the contact platform a 121', such an included angle is formed to be greater than 180 °, and the above structures are all arranged to ensure that the spring a is always connected with the outer conductor in a point contact manner during use, so that not only can mechanical damage to the outer conductor be reduced, but also interference can be reduced.

The end of the connecting section a2 is provided with a radially extending clamping body a 21; the reed structure disclosed by the invention has an integrated structure, the whole part is complete during manufacturing and installation, meanwhile, the connection and contact structures arranged on the self-locking section a1 and the connection section a2 are embodied in a mechanical connection mode, for example, the self-locking section a1 for realizing the axial limiting function is mainly realized by arranging a rotary bending structure inclined to a central shaft at the near end part, so that the reed structure not only has the axial limiting function, but also has certain radial deformation capability, and can adapt to the axial and radial deformation requirements in a certain range; the radially extending engaging body a21 provided in the connecting segment a2 is mainly of a hook-type structure provided in a direction close to the center axis. Through the technical scheme of the utility model, the reed that provides is when being used for the connection of connector, and the spacing ability of axial and radial elastic deformation ability are more stable, simultaneously, when force separation socket and outer conductor, have increased the degree of difficulty of axial separation, make the whole safer of connector.

In the embodiment of the disclosure, the self-locking section a1 is formed by a plurality of separated pieces a11 or a11 ' arranged at intervals along the circumferential direction, and the end of the separated piece a11 or a11 ' is connected with an axial limiting body a12 or a12 '; a radial contraction platform a111 is arranged on the split part a11 or a 11' at least along the circumference; the axial limiting body a12 or a12 'is a single-side arc-shaped piece or a double-side arc-shaped piece which extends along the split piece a11 or a 11' and is bent towards the central shaft. The structure realizes large-range radial elastic deformation through a plurality of separated pieces a11 or a 11' arranged at intervals, and then realizes a certain-range axial limiting function by matching with a radial contraction table a 111; unilateral arc spare or bilateral arc spare homoenergetic guarantee the radial deformability of minim scope, realize simultaneously that the axial is spacing, and unilateral curved structure indicates to be the arcwall face in the outside of structure of buckling, is the expense arcwall face in the inner face of structure of buckling, for example for the structural plane of class acute angle shape, and such structure has the opening force that is less than bilateral arc, increases axial limit function.

In the embodiment of the present disclosure, the end width edge of the axial stopper a12 or a 12' is a planar contact platform a121, and at least a concave buffer platform a122 is dug on the contact platform a 121. In the process of connecting and using the connector, the contact platform a121 is clamped with the connector, the contact platform a121 with a smooth plane and the buffer platform a122 dug and provided with the concave part reduce the contact area directly contacted with the connector, and the connector is prevented from being scratched in the using process.

In the embodiment of the present disclosure, the end width side of the axial stopper a12 or a12 ' is the contact platform a121 ' of an arc-shaped surface, for example, the structure shown in fig. 2, and the contact platform a121 ' of another structure in the present disclosure is an arc-shaped surface, which can also reduce the contact area to a certain extent, realize point contact, and also can be an arc-shaped surface formed after bending. The outer conductor of the connector is prevented from being scratched in the using process.

In the embodiment of the disclosure, the reed a forms a ring-tube structure at the connection section a2 through the buffer clamping structure a22, the buffer clamping structure a22 is formed by a protrusion piece and a depression piece which are engaged with each other, the manufacturing structures of the reed a are embodied in a mechanical connection mode, the manufacturing process is simplified, the connection is stable, the manufacturing of the reed a can be realized by a wrapping or stretching process, and the connection section a2 can be welded to be complete.

With reference to fig. 1-11, the self-locking assembly of the present invention is provided with a self-locking sleeve b, and a spring leaf a is coaxially wrapped in the self-locking sleeve b and is the spring leaf a of the present disclosure.

In the embodiment of the disclosure, the self-locking sleeve b is of a tubular structure, an inward-bent unlocking limit ring table b1 is arranged at the end part ring of the tubular structure, and the edge of the unlocking limit ring table b1 is of a line contact structure; the self-locking section a1 of the reed a is wrapped in the unlocking limit ring table b1 and is in line contact with the unlocking limit ring table b1, the unlocking limit ring table b1 is specifically pressed and wrapped outside the axial limit body a12 or a 12', and the axial limit function is achieved on the whole component in the using process through the axial limit of the unlocking limit ring table b 1; when unlocking, the radial pressure of the unlocking limit ring table b1 realizes the axial contraction of the axial limit body a12 or a 12', thereby realizing unlocking; the reed a and the self-locking sleeve b are not in contact with each other in a free state.

In the embodiment of the disclosure, at least one axial limiting table b2 protruding towards the central axis is annularly arranged on the inner wall of the self-locking sleeve b, and can match with the structure on the reed a to realize axial limiting within a certain range, for example, a radial contracting table a111 is arranged on the split piece a11 or a 11' at least along the circumference; in a free state, the axial limiting table b2 is matched with a micro-bulge (namely, a bulge facing to the periphery) at the front end of the radial contraction table a 111; after unlocking, the axial limiting table b2 quickly moves to the position of the radial contraction table a111 (namely, towards the inner circumference concave), and the self-locking sleeve b can drive the reed a to realize faster unlocking by matching the two.

With reference to fig. 1 to 11, a connector includes a socket 1 and an outer conductor 2, and a self-locking assembly is disposed along an axial direction to connect the socket 1 and the outer conductor 2, and the self-locking assembly is the self-locking assembly of the present disclosure.

In the embodiment of the present disclosure, the outer wall of the socket 1 is annularly provided with a socket clamping table 11, and the rotary bending structure of the reed a is clamped on the socket clamping table 11; the outer wall of the outer conductor 2 is annularly provided with an outer conductor limit table 21, and the connecting section a2 of the reed a is clamped on the outer conductor limit table 21. The spring plate a is connected with the outer conductor 2 by welding, and the wall thickness of the outer conductor 2 participating in the welding is equivalent to that of the spring plate a.

When the reed and the unlocking assembly are matched with a connector for use, the specific working principle is as follows:

when the socket 1 matched with the self-locking section a1 is inserted into the unlocking assembly, firstly the split piece a11 or a11 'deforms, and after the split piece interferes with the inner wall of the self-locking sleeve b, the axial limiting body a12 or a 12' deforms; when the unlocking is carried out and the pulling-out is carried out, the axial limiting table b2 on the inner wall of the self-locking sleeve b and the fulcrum of the contact of the split piece a11 or a 11' retreat in the unlocking process without interference, so that only the connecting section a2 deforms in the unlocking process.

When an axial force acts on the self-locking sleeve b, the axial limiting body a12 or a 12' is outwards expanded under the action of the force to scratch the socket clamping table 11 on the socket 1 so as to achieve unlocking, and the axial limiting table b2 does not interfere with the reed a in the process; when an axial force acts on the outer conductor 2, the axial limiting body a12 or a 12' acts on the left end inclined plane of the socket clamping table 11 of the socket 1, is expanded towards the circumferential direction, interferes with the axial limiting table b2 on the self-locking sleeve b, and cannot be unlocked.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. A reed is characterized in that the whole reed (a) is of a ring-tube structure and comprises a self-locking section (a1) and a connecting section (a2) which are coaxially connected in sequence along the axial direction;

the self-locking section (a1) has radial elastic deformation capacity, and a rotary bending structure inclined to the central shaft is arranged at the proximal end part of the self-locking section (a 1);

2. A leaf spring according to claim 1, wherein said cross-section is a rectangular plane.

3. A reed according to claim 1 or 2, wherein the cross-section forms an angle of 60 to 360 ° with the horizontal plane of the central axis.

4. A reed as in claim 1 or 2, wherein the connecting section (a2) is provided with a radially extending snap-in body (a21) at the end.

5. A reed as in claim 1, wherein said self-locking segment (a1) is formed by a plurality of separate pieces spaced circumferentially, the ends of the separate pieces being joined by axial retention means;

-providing said separate piece with a radial constriction (a111) at least circumferentially;

the axial limiting body is a single-side arc-shaped piece or a double-side arc-shaped piece which extends along the split piece and is formed by bending towards the central shaft.

6. A spring according to claim 5, wherein the end width of the axial restraint body is a planar abutment (a121), and at least a recessed bumper (a122) is recessed in the abutment (a 121).

7. A reed according to claim 5, characterized in that the end width edge of the axial stop is the contact land (a 121') of the arc-shaped face.

8. A spring leaf according to claim 1 or 2, wherein said spring leaf (a) is formed in a loop configuration at the connecting section (a2) by a buffer snap configuration (a22), said buffer snap configuration (a22) being formed by a male and a female member engaging each other.

9. A self-locking assembly, characterized in that a self-locking sleeve (b) is provided, a spring leaf (a) is coaxially wrapped in the self-locking sleeve (b), and the spring leaf (a) is the spring leaf (a) according to any one of claims 1 to 5;

the self-locking sleeve (b) is of a tubular structure, an inward-bent unlocking limit ring table (b1) is arranged at the end part ring of the tubular structure, and the edge of the unlocking limit ring table (b1) is of a line contact structure;

the self-locking section (a1) of the reed (a) is wrapped in the unlocking limit ring table (b1) and is in line contact with the unlocking limit ring table (b 1);

at least one axial limiting table (b2) protruding towards the central shaft is arranged on the inner wall of the self-locking sleeve (b).

10. A connector, characterized in that it comprises a socket (1) and an outer conductor (2), and a self-locking assembly is arranged for connecting the socket (1) and the outer conductor (2) along the axial direction, wherein the self-locking assembly is the self-locking assembly of claim 9;

the outer wall of the socket (1) is annularly provided with a socket clamping table (11), and the rotary bending structure of the reed (a) is clamped on the socket clamping table (11);

the outer wall of the outer conductor (2) is annularly provided with an outer conductor limiting table (21), and the connecting section (a2) of the reed (a) is clamped on the outer conductor limiting table (21).