CN211829289U

CN211829289U - Reed, self-locking assembly and connector

Info

Publication number: CN211829289U
Application number: CN202020321492.5U
Authority: CN
Inventors: 武向文; 党作红; 张朋; 鲍宜云
Original assignee: Avic Fushida Technology Co ltd
Current assignee: Avic Fushida Technology Co ltd
Priority date: 2020-03-14
Filing date: 2020-03-14
Publication date: 2020-10-30
Anticipated expiration: 2030-03-14

Abstract

The utility model discloses a reed, self-locking assembly and connector, the reed is provided with a ring-shaped base, one end of the base is provided with a plurality of circumferentially spaced reed petals, and the reed petals are sequentially provided with a springback section and a straight section from the end part to the root part; the rebounding section is inwards turned and bent towards the base and the axis, and the turning degree a of the rebounding section is 23-28 degrees. The self-locking assembly is provided with a reed, a compression ring is arranged around the periphery of the reed and used for providing axial limit and radial limit for the reed; when the male head and the female head of the connector are inserted, the self-locking assembly is used for realizing quick locking. The utility model provides high assembly and dismantlement efficiency is applicable to the operational environment that needs assembly, dismantlement many times, and easy operation is swift.

Description

Reed, self-locking assembly and connector

Technical Field

The utility model belongs to the connector field, concretely relates to reed, auto-lock subassembly and connector.

Background

The connector mainly plays a role in transmitting current or electric signals in various electronic equipment, meets the requirements of good contact, reliable work, convenient maintenance and the like besides the requirements of the connector, and is widely applied to the fields of electronic equipment, communication, computers, automobiles, aerospace and the like.

The quick-insertion self-locking connector can realize stable transmission of signals between modules, can improve the installation efficiency, is simple and convenient to operate and reduces the labor intensity, most of the traditional connectors are installed and fixed in a screw locking or thread mode, and along with the rapid development of the electronic component industry, the traditional connectors cannot meet the requirements for quick and convenient use, particularly in the environment with limited space or time, so that the quick-insertion self-locking connector is used for replacing the traditional connector and becomes one of the trends of the development of the electronic component industry.

Disclosure of Invention

To the problem that exists among the prior art, the utility model provides a reed, this reed have reasonable resilience structural design, especially use in the connector field.

The utility model also provides a self-locking assembly, this self-locking assembly comprises the utility model discloses a reed and clamping ring are constituteed, realize radial spacing to the resilience structure.

Finally, the utility model provides a connector, this connector setting the utility model discloses a self-locking subassembly makes the public head and the female head of connector have self-locking function when erection joint, connects stably simultaneously, difficult disconnection.

The to-be-solved technical problem of the utility model is realized through following technical scheme:

a reed is provided with a ring-shaped base, one end of the base is provided with a plurality of circumferentially spaced reed petals, and the reed petals are sequentially provided with a rebound section and a flat section from the end part to the root part; the rebounding section is inwards turned and bent towards the base and the axis, and the turning degree a of the rebounding section is 23-28 degrees.

Optionally, the turning degree a of the rebound section is 23.8-27.8 degrees.

Optionally, the length of the straight section is 1-1.5 times that of the rebound section.

Optionally, a contact section is further disposed at an end of the resilient section, and the contact section is an arc-shaped body having at least two contacts.

Optionally, the other end of the base is circumferentially provided with a plurality of radial clamping sections at intervals, and the end parts of the radial clamping sections are provided with inwards bent sheet structures.

Optionally, the reed petals are uniformly arranged along the circumferential direction at intervals, and the included angle of the central lines of the adjacent reed petals is 38-42 degrees.

The utility model provides a self-locking assembly sets up the reed, encloses at the reed periphery and establishes the clamping ring, and the clamping ring gives the reed axial spacing and radial spacing, the reed do the reed.

Optionally, the compression ring is a necking cylinder with an arc-shaped inner wall, and the thickness of the necking edge is larger than the thickness of the cylinder wall. In particular, the wall thickness of the cylinder wall increases from the plug end in the axial direction.

A connector is provided with a male head and a female head which are axially spliced, a self-locking assembly is embedded in a male head outer conductor of the male head, and the self-locking assembly is the self-locking assembly of the utility model; the unlocking sleeve 3 is further sleeved outside the male outer conductor 4, the unlocking sleeve 3 is of a cylindrical structure with an inward-end closing-in end, and the closing-in edge of the unlocking sleeve 3 is axially abutted against the spring leaf 1.

Optionally, the female head is provided with a female head outer conductor, the periphery of the female head outer conductor is sequentially provided with a concave ring, a first inclined plane and a second inclined plane, the gradient of the first inclined plane is greater than that of the second inclined plane, and the first inclined plane and the second inclined plane form an annular boss;

the reed and the contact of the annular boss appear in pairs and are simultaneously positioned on a certain circumference of the inclined plane of the annular boss.

Through the utility model discloses a structure setting, the utility model discloses a reed has good resilience structure, especially uses in the connector field, makes things convenient for the connection of public head and female head to pull out to insert, and the auto-lock is connected.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

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

FIG. 2 is a longitudinal sectional view of the spring plate of the present invention;

FIG. 3 is a schematic diagram of the structure of the spring pressure test of the present invention;

fig. 4 is a schematic view of the connector assembly structure of the present invention;

FIG. 5 is a schematic view of the connector after plugging and axial pulling-out and an enlarged view of a partial structure;

fig. 6 is a schematic view of the working principle of the reed of the connector of the present invention in different working states;

the reference numerals in the figures denote: 1-reed, 11-rebound section, 111-contact section, 12-straight section, 13-base, 14-radial clamping section, a-rebound section bending radian; 2-press ring, 3-unlocking sleeve, 4-male external conductor, 5-female external conductor, 51-concave ring, 52-first inclined plane and 53-second inclined plane.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

It should be understood that the structures, ratios, sizes, left ends, right ends, etc. shown in the drawings attached to the present specification are generally defined by the drawings of the corresponding drawings without being described to the contrary, and are only used to match the contents disclosed in the specification for the people skilled in the art to understand and read, and are not used to limit the practical limitations of the present invention, so they do not have the substantial technical meaning, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the functions and the achievable objects of the present invention.

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. 1-3, in the embodiment of the present disclosure, the reed 1 is provided with a ring-shaped base 13, one end of the base 13 is provided with a plurality of circumferentially spaced reed petals, and the reed petals are sequentially provided with a rebound section 11 and a flat section 12 from the end to the root; rebound section 11 is inwards turned over towards base and axle center, and the degree of turning over a of rebound section 11 is 23 ~ 28. Because the whole cooperation of resilience section 11 and straight section 12 realizes that reed 1 is whole under the prerequisite that radially has certain deformability, and the turn over bent structure of the section of deuterogamying 11 realizes further axial and radial elastic deformation ability, makes the utility model discloses a reed 1 has good resilience force, in addition, shows through the angle research to 11 turns over the degree of curvature of resilience section, is turning over under the angle that degree of curvature a is 23 ~ 28, the utility model discloses a reed 1 has better resilience force, when using axial such as connector, radial spacing part in, no matter at the installation still dismantles the process, also or can both guarantee good resilience force in the use, make the connection of whole part reliable and stable.

In the embodiment of the disclosure, more specifically, the turning degree a of the rebounding section 11 is 23.8-27.8 °, and further research shows that the resilience force is better under the condition that the turning degree a of the rebounding section 11 is 23.8-27.8 °, and the whole reed can be punched by an elastic metal strip, so that the overall performance of the structure is ensured.

In the embodiment of this disclosure, straight section 12 length is 1 ~ 1.5 times of resilience section 11 length, and in the length selection of carrying out straight section and resilience section, the best, the length of resilience section and straight section is basically the same, and radial deformation cooperation between them can be better like this, and can guarantee above-mentioned function under the condition that straight section 12 length is 1 ~ 1.5 times of resilience section 11 length.

In the embodiment of this disclosure, still set up contact section 111 at 11 tip in the section of kick-backing, contact section 111 makes for the arc body that has two contacts at least the utility model discloses a reed 1 is when using, connects firmly, has increased a contact more, and the overcurrent capacity increases, and the electricity is connected stably.

In the embodiment of this disclosure, base 13 other end circumference interval sets up a plurality of radial joint sections 14, and radial joint section 14 tip has the sheet structure of incurving, when installation reed 1, can be with reed 1 whole through radial joint section 14 joint treat the installing component on, not only simple to operate, and connect stably difficult droing.

In the embodiment of the disclosure, the reed petals are uniformly arranged along the circumferential direction at intervals, the included angle of the central lines of the adjacent reed petals is 38-42 degrees, the number of the reed petals is set to be 6-9 rows in principle, and a good connection state can be ensured as long as the reed petals are uniformly arranged.

To verify the effect of the above-described configuration, angle and dimensions on the overall performance of the reed, the reed petals of the reed 1 were subjected to a resiliency test, applying a force F at the position shown in figure 3, resulting in the following graph: and (3) applying a force F, controlling the outward expansion stroke of the reed petals to be 0.8mm, wherein the reed petals and the force F are in a linear relation in the outward expansion and rebound processes, and the results are shown in table 1.

TABLE 1

The results in table 1 show that the compression distance and the pressure exhibit a linear proportional relationship under different pressures F, both in the compressed and in the rebound state; this is because the reed 1 of the present invention is only in the arc shape at the bent portion, and under the specific angle fit, the whole compression stroke of the reed 1 is large, and the resilience performance is good.

With reference to fig. 4 and 5, the present disclosure further provides a self-locking assembly, where a reed 1 is provided, a compression ring 2 is disposed around the periphery of the reed 1, the compression ring 2 provides axial limit and radial limit for the reed 1, the reed 1 is any reed 1 of the present disclosure, and with reference to two states in fig. 5, for example, two figures on the left column in fig. 5 are the position relationship between the reed 1 and the compression ring 2 in the state of mutual insertion between a male head and a female head, at this time, the compression ring 2 provides axial and radial limit for the reed 1, that is, a bent arc segment of the reed 1 is tightly attached to an arc segment of the compression ring 2, at this time, the female head is limited only by a straight segment after the bending of the springback segment 11, and the pressure is small, so that the female head can be; two pictures that the right was listed as in figure 5 are the state sketch that appears between reed 1 and the clamping ring 2 after public head and female head are inserted and are closed, and clamping ring 2 mainly provides axial and radial spacing effect for reed 1 this moment, that is to say the setting of clamping ring 2 structure, has guaranteed that reed 1 can't move in the axial, mainly gives in the straight section 12 of reed 1 in the radial, promotes the axial and radial spacing of reed 1 to female head outer conductor 5, and the monolithic connection is stable.

In the embodiment of the disclosure, the compression ring 2 is a necking cylinder with an arc-shaped inner wall, and the thickness of the necking edge is greater than the thickness of the cylinder wall. In addition, the cylinder wall is gradually big along axial wall thickness by the grafting end, presents the slope structure, cooperates the inner wall circular arc of 2 binding off structures departments of clamping ring again, presents great accommodation space, guarantees that clamping ring 2 can radially provide stable radial limit function in binding off department, and reed 1 can present great deformability in great space simultaneously, and the auto-lock subassembly that reed 1 and clamping ring 2 constitute distributes on same circumference, and the same centre of a circle, guarantees the inseparable structure cooperation between them.

With reference to fig. 4 and 5, the present disclosure further provides a connector, where the connector is provided with a male connector and a female connector which are axially inserted, a self-locking assembly is embedded in the male connector outer conductor 4 of the male connector, and the self-locking assembly is any self-locking assembly disclosed herein.

The unlocking sleeve 3 is further sleeved outside the male outer conductor 4, the unlocking sleeve 3 is of a cylindrical structure with an inward-end closing-in end, the closing-in edge of the unlocking sleeve 3 is axially abutted against the reed 1, and radial elastic deformation of the reed 1 is further limited in the radial direction. Specifically, the working state of the self-locking assembly of the connector of the present invention when unlocked is described specifically with reference to the structural state in fig. 6, when unlocked with the unlocking sleeve 3, the spring plate 1 has three states, i.e., first, second and third states, in sequence, when receiving the axial force of the unlocking sleeve 3, the axial force acts on the spring plate 1 first, because the pressing ring 2 can axially limit the spring plate 1, the spring plate can be radially outwardly expanded first, and at this time, there is no relative displacement in the axial direction between the first inclined plane 52 and the spring plate, and no friction force is generated, i.e., the state is first at this time; when the female outer conductor 5 is continuously pulled along the axial direction, the reed 1 is gradually transited from the state I to the state II and the state III, mainly because the pressing ring 2 has larger accommodating space in the axial direction and the radial direction, the reed 1 is allowed to have larger deformation capacity in the space, so that the rebounding section 11 of the reed 1 is far away from the first inclined plane 52 of the female outer conductor 5, no friction force is generated, mutual abrasion between the rebounding section 11 and the first inclined plane 52 is avoided, and the service life and the plugging capability of the integral component are improved; additionally, through the utility model discloses the cooperation of reed 1 and both structures of clamping ring 2, under the cooperation of no unlocking sleeve 3, when drawing female head outer conductor 5 along the axial, reed 1 can only follow the state with clamping ring 2 and gradually transition to the state (two), and the state (three) can not appear, unless break with reed 1 promptly, otherwise can't draw female head outer conductor 5 in the axial and draw away, that is to say under the condition of no unlocking sleeve 3, the structure cooperation through reed 1 and clamping ring 2 presents the dead state of self-locking, has further guaranteed the utility model discloses the connection of auto-lock subassembly and connector is stable.

In the embodiment of the disclosure, the female head is provided with a female head outer conductor 5, the periphery of the female head outer conductor 5 is sequentially provided with a concave ring 51, a first inclined surface 52 and a second inclined surface 53, the gradient of the first inclined surface 52 is greater than that of the second inclined surface 53, and the first inclined surface 52 and the second inclined surface 53 form an annular boss; the reed 1 is paired with the contact point of the annular boss and is positioned on a certain circumference of the inclined plane of the annular boss. Through above-mentioned structure on female first outer conductor 5, with the utility model discloses a auto-lock cooperation is realized to the auto-lock subassembly, and is stable with public head and female first plug-in connection, installation connection is convenient.

The female outer conductor 5 is provided with an annular boss, when the male head is inserted into the female head, the male head is pushed into the female head, the reed crosses the female outer conductor 5, expands first, and then contracts on a second inclined plane 53 at the left end of the annular boss of the female outer conductor 5, so that the male head and the female head are ensured not to be separated axially, and the electric signal transmission can be stably realized; during unlocking, the unlocking sleeve 3 is pulled, and the unlocking sleeve 3 drives the locking assembly to scratch an annular boss along the second inclined surface 53, so that the male head and the female head are separated.

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 a ring-shaped base (13) is arranged, one end of the base (13) is provided with a plurality of circumferentially spaced reed petals, and the reed petals are sequentially provided with a rebound section (11) and a flat section (12) from the end part to the root part;

the rebounding section (11) is inwards turned and bent towards the base and the axis, and the turning degree a of the rebounding section (11) is 23-28 degrees.

2. A reed according to claim 1, wherein the degree of eversion a of the resilient section (11) is 23.8-27.8 °.

3. A reed according to claim 1 or 2, wherein the length of the straight section (12) is 1-1.5 times the length of the resilient section (11).

4. A spring according to claim 1 or 2, wherein a contact section (111) is further provided at the end of said resilient section (11), said contact section (111) being an arc of at least two contacts.

5. A spring according to claim 1 or 2, wherein the other end of the base (13) is provided with a plurality of radial clamping sections (14) at intervals in the circumferential direction, and the ends of the radial clamping sections (14) are provided with inward bent sheet-like structures.

6. A reed according to claim 1 or 2, wherein the reed petals are circumferentially evenly spaced and the included angle between the median lines of adjacent reed petals is 38-42 °.

7. A self-locking assembly is characterized in that a reed (1) is arranged, a pressing ring (2) is arranged around the periphery of the reed (1), the pressing ring (2) is used for giving axial limit and radial limit to the reed (1), and the reed (1) is the reed (1) in any claim from 1 to 6.

8. The self-locking assembly according to claim 7, wherein the press ring (2) is a necking cylinder with an arc-shaped inner wall, and the thickness of the necking edge is larger than the thickness of the cylinder wall.

9. A connector, characterized in that the connector is provided with a male head and a female head which are axially inserted, a self-locking assembly is embedded in a male head outer conductor (4) of the male head, and the self-locking assembly is the self-locking assembly of claim 6 or 7; an unlocking sleeve (3) is further sleeved outside the male outer conductor (4), the unlocking sleeve (3) is of a cylindrical structure with an end portion closing inwards, and the closing edge of the unlocking sleeve (3) is axially abutted against the spring plate (1).

10. The connector according to claim 9, wherein the female end is provided with a female outer conductor (5), a concave ring (51), a first inclined surface (52) and a second inclined surface (53) are sequentially arranged on the periphery of the female outer conductor (5), the gradient of the first inclined surface (52) is greater than that of the second inclined surface (53), and the first inclined surface (52) and the second inclined surface (53) form an annular boss;

the reed (1) and the contact of the annular boss appear in pairs and are simultaneously positioned on a certain circumference of the inclined plane of the annular boss.