CN211507987U - Quick assembly's connector housing - Google Patents

Abstract

The utility model provides a quick assembly's connector housing, the shell is both ends open-ended tubular construction, its characterized in that: firstly, at least two notch grooves are uniformly arranged on the rotating positioning connection end corresponding to the connector main body along the circumferential direction, so that the port of the connector shell forms an elastic structure capable of expanding; second, the drill way department that is corresponding to the rotational positioning link of connector body sets up first interior chamfer and second interior chamfer, and the chamfer is located inner for first interior chamfer in the second, and the mouth of opening of first interior chamfer is greater than the mouth of opening of second interior chamfer, wherein, when the assembly, the effect of first interior chamfer is the quick counterpoint of realization between connector shell and the connector body fitting surface, and the effect of chamfer is the quick contact of realization between connector shell and the connector body fitting surface in the second. The clamp spring structure of the connector can be omitted in the scheme and the traditional design, the assembling time is reduced, the assembly can be easily completed without special tools, and the clamp spring structure is particularly suitable for industrial mass production.

Description

Quick assembly's connector housing

Technical Field

The utility model relates to an electric connector, in particular to fast assembly's connector shell. The connector housing is adapted for a screw type connector.

Background

The electrical connector is widely applied as a signal transmission connector in the fields of electronics, communication and the like. The use of connectors is very common, especially in radio frequency signal transmission. The structure and form of the connector are various, and among them, there is a screw type connector. The connector is designed with a male head, a female head and a shell, one end of the shell is connected with the male head (or the female head) in a rotating and positioning way, and the female head (or the male head) at the other end of the shell is in threaded connection. When the shell is manufactured, one end of the shell is clamped and sleeved at one end of the male head (or the female head), so that the shell forms rotation positioning connection relative to the male head (or the female head), namely the shell can rotate relative to the male head (or the female head), but the shell and the male head (or the female head) are connected in a positioning mode in the axial direction and cannot fall off. When in use, the male head is butted with the female head, the shell is rotated, and the shell is connected with the female head (or the male head) through the thread.

The connector housing is indispensable in a screw type connector as a member other than the connector main body (male and female). When in manufacturing, the male head body and the female head body are in a rotationally positioned connection relationship. However, in the actual manufacturing process, how to realize the fast assembly between the two not only affects the production efficiency, but also is closely related to the product quality, so how to design a connector housing which can meet the quality requirement and can realize the fast assembly is the subject of the research of the utility model.

Disclosure of Invention

The utility model provides a fast assembly's connector shell, aim at improve the rapid Assembly performance of screw thread type shell and connector main part, solve the poor problem of shell and connector main part rapid Assembly ability among the prior art.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a quick-assembly connector housing, the connector housing generally having a cylindrical structure with two open ends, wherein one end of the connector housing is provided with an internal or external thread for connection, the innovation of which is that: the other end of connector shell is equipped with two at least incision grooves, and all incision grooves evenly arrange on the circumferencial direction of connector shell tubular structure, the incision groove is located the port department of the connector shell other end, and the incision groove radially runs through in the barrel wall thickness at the connector shell, and the one end that lies in the barrel port on the connector shell axial is uncovered to this makes the port of the other end of connector shell form the elastic construction that can expand.

A first inner chamfer, a second inner chamfer, a first inner circular surface and a second inner circular surface are arranged at the orifice at the other end of the connector shell, wherein the first inner circular surface and the second inner circular surface are positioned at the inner end relative to the orifice, and of the first inner circular surface and the second inner circular surface, the first inner circular surface is positioned at the inner end relative to the second inner circular surface, and the radius of the first inner circular surface is greater than that of the second inner circular surface, so that an inner blocking surface is formed between the first inner circular surface and the second inner circular surface; the first and second inner chamfers are located at outer ends relative to the orifice, and in both the first and second inner chamfers, the second inner chamfer is located at an inner end relative to the first inner chamfer, and the first inner chamfer is greater as a flare for quick alignment than the second inner chamfer as a flare for quick contact.

The relevant content in the above technical solution is explained as follows:

1. the connector shell is suitable for a thread type connector, the tail part (the other end) of the connector shell needs to be connected with the connector main body in a rotating and positioning mode during manufacturing, and the connector shell is shown in figure 4.

2. In the above scheme, the center line of the slit groove in the length direction is parallel to the axis of the connector housing.

3. In the above scheme, the slot shape of the notch slot in a top view state is a rectangle or an isosceles triangle.

4. In the above scheme, a third inner circular surface is arranged between the first inner chamfer and the second inner chamfer.

The utility model discloses a design principle and effect: this scheme has adopted the measure in following two aspects in order to solve the poor problem of shell and connector main part rapid Assembly ability among the prior art: firstly, at least two notch grooves are uniformly arranged on a rotating and positioning connecting end of a connector shell corresponding to a connector main body along the circumferential direction, the notch grooves penetrate through the wall thickness in the radial direction of the connector shell, and one axial end of the notch grooves is open, so that an expandable elastic structure is formed at a port of the connector shell; second, the department sets up first interior chamfer and second interior chamfer corresponding to the drill way of the rotational positioning link of connector body at the connector housing, chamfer is located inner for first interior chamfer in the second, and the mouth of a mouth of first interior chamfer is greater than the mouth of a mouth of second interior chamfer, wherein, when connector housing and connector body (public head or female head) assembly, quick counterpoint between connector housing and the connector body fitting surface is realized to the effect of first interior chamfer, quick contact (the stress surface) between connector housing and the connector body fitting surface is realized to the effect of chamfer in the second. The utility model discloses simple structure thinks about ingeniously, assembles reliably fast, compares in traditional design, can save the jump ring structure of connector to in the time of reducing the equipment, do not need specialized tool can easily accomplish the equipment, be particularly suitable for industrialization mass production.

Drawings

FIG. 1 is a perspective view of a connector housing according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a connector housing according to an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic diagram (a) of the connector housing and the connector main body according to the embodiment of the present invention;

fig. 5 is a schematic diagram (ii) illustrating the connector housing and the connector body according to the embodiment of the present invention in butt joint;

fig. 6 is a schematic diagram (iii) illustrating the connector housing and the connector main body according to the embodiment of the present invention.

In the above drawings: 1. a connector housing; 11. an internal thread; 12. a notch groove; 13. a first inner chamfer; 14. a second inner chamfer; a first inner circular surface; 16. a second inner circular surface; 17. a third inner circular surface; 18. when blocking the surface; 2. a connector body; 21. chamfering the outer part; 22. an annular groove.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

example (b): quick assembly's connector housing

As shown in fig. 1 to 3, the connector housing 1 has a generally cylindrical structure with both ends open, wherein one end of the connector housing 1 is provided with an internal thread 11 for connection, and the other end of the connector housing 1 is provided with six notch grooves 12. The six notch grooves 12 are arranged uniformly in the circumferential direction of the cylindrical structure of the connector housing 1. The notch groove 12 is located at the port of the other end of the connector housing 1, the notch groove 12 radially penetrates through the wall thickness of the cylinder body in the connector housing 1, and one end, located at the port of the cylinder body in the axial direction of the connector housing 1, is open, so that the port of the other end of the connector housing 1 forms an elastic structure capable of expanding. The center line of the slit groove 12 in the longitudinal direction is parallel to the axis of the connector housing 1. The notch groove 12 has a rectangular groove shape in a plan view.

A first inner chamfer 13, a second inner chamfer 14, a first inner circular surface 15 and a second inner circular surface 16 are arranged at the orifice at the other end of the connector housing 1, wherein the first inner circular surface 15 and the second inner circular surface 16 are positioned at the inner end relative to the orifice, and of the first inner circular surface 15 and the second inner circular surface 16, the first inner circular surface 15 is positioned at the inner end relative to the second inner circular surface 16, and the radius of the first inner circular surface 15 is larger than that of the second inner circular surface 16, so that an inner blocking surface 18 is formed between the first inner circular surface 15 and the second inner circular surface 16. Said first 13 and second 14 inner chamfers are located at the outer ends with respect to the orifice, while in both the first 13 and second 14 inner chamfers, the second inner chamfer 14 is located at the inner end with respect to the first inner chamfer 13, and the first inner chamfer 13 has a larger flare as a quick alignment than the second inner chamfer 14 as a quick contact. A third inner circular surface 17 is arranged between the first inner chamfer 13 and the second inner chamfer 14. The first inner chamfer 13 and the second inner chamfer 14 are both 0.3mm x 45 ℃. The connector housing 1 may be made of phosphor bronze having better elasticity.

The assembly process and the working principle of the connector housing 1 of the present invention are explained as follows:

as shown in fig. 4-6, the connector housing 1 is aligned with the connector body 2 (which may be a male connector or a female connector) (see fig. 4), then the connector housing 1 is pressed until the notch 12 is opened and deformed by the outer chamfer 21 of the connector body 2 (see fig. 5), and then the pressing is continued, when the flange (corresponding to the second inner circular surface 16) of the connector housing 1 enters the annular groove 22 of the connector body 2, the six elastic expansion structures will naturally rebound and reset, so as to clamp the connector housing 1 and the connector body 2 together to bear a certain axial pulling force. This connector housing 1 that can assemble fast compares in traditional design, can save the jump ring structure of connector to reduce when assembling, do not need specialized tool can easily accomplish the equipment.

Other embodiments and structural changes of the present invention are described below as follows:

1. in the above embodiment, one end of the connector housing 1 is provided with the female screw 11 for connection, as shown in fig. 2. The invention is not limited thereto and one end of the connector housing 1 may be an external thread, which does not affect the inventive concept, as will be readily understood and accepted by those skilled in the art.

2. In the above embodiment, the other end of the connector housing 1 is provided with six slit grooves 12, as shown in fig. 1. However, the present invention is not limited to this, and theoretically, in order to achieve the purpose of the present invention, at least two notch grooves 12 may be adopted, and six notch grooves 12 are only the optimum design.

3. In the above embodiment, the center line of the slit groove 12 in the longitudinal direction is parallel to the axis of the connector housing 1. However, the present invention is not limited thereto, and the center line of the slit groove 12 in the length direction may not be parallel to the axis of the connector housing 1, as will be readily understood by those skilled in the art.

4. In the above embodiment, the notch groove 12 has a rectangular groove shape in a plan view. However, the present invention is not limited to this, and the groove shape of the notch 12 in the overlooking state may be designed to be an isosceles triangle or even other shapes. It is acceptable as long as the elastic expansion deformation of the port at the other end of the connector housing 1 is not affected.

5. In the above embodiment, a third inner circular surface 17 is disposed between the first inner chamfer 13 and the second inner chamfer 14, as shown in fig. 3. However, the present invention is not limited to this, and the first inner chamfer 13 and the second inner chamfer 14 may be directly transited without the third inner circular surface 17. The third inner circular surface 17 may also be a bevel, a cambered surface or a transition surface with other shapes.

6. In the above embodiment, the material of the connector housing 1 is phosphor bronze with better elasticity. However, the present invention is not limited thereto, and the present invention is to limit and protect the product structure of the connector housing 1, and the material used therefor is not limited.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (5)

1. A quick-assembly connector housing, the connector housing (1) generally having a cylindrical structure with openings at both ends, wherein one end of the connector housing (1) is provided with an internal thread (11) or an external thread for connection, characterized in that: the connector comprises a connector shell (1), wherein the other end of the connector shell (1) is provided with at least two notch grooves (12), all the notch grooves (12) are uniformly arranged in the circumferential direction of a cylindrical structure of the connector shell (1), the notch grooves (12) are positioned at a port at the other end of the connector shell (1), the notch grooves (12) radially penetrate through the wall thickness of the cylindrical structure in the connector shell (1), and one end, axially positioned at the port of the cylindrical structure, of the connector shell (1) is open, so that the port at the other end of the connector shell (1) forms an elastic structure capable of expanding;

a first inner chamfer (13), a second inner chamfer (14), a first inner circular surface (15) and a second inner circular surface (16) are arranged at the orifice at the other end of the connector shell (1), wherein the first inner circular surface (15) and the second inner circular surface (16) are positioned at the inner end relative to the orifice, and in the first inner circular surface (15) and the second inner circular surface (16), the first inner circular surface (15) is positioned at the inner end relative to the second inner circular surface (16), and the radius of the first inner circular surface (15) is larger than that of the second inner circular surface (16), so that an inner blocking surface (18) is formed between the first inner circular surface (15) and the second inner circular surface (16); the first inner chamfer (13) and the second inner chamfer (14) are located at the outer ends with respect to the orifice, while in both the first inner chamfer (13) and the second inner chamfer (14), the second inner chamfer (14) is located at the inner end with respect to the first inner chamfer (13), and the flare of the first inner chamfer (13) as a quick alignment is greater than the flare of the second inner chamfer (14) as a quick contact.

2. The connector housing of claim 1, wherein: the central line of the length direction of the notch groove (12) is parallel to the axis of the connector shell (1).

3. The connector housing of claim 1, wherein: the notch groove (12) is rectangular in shape in a plan view.

4. The connector housing of claim 1, wherein: the groove shape of the notch groove (12) in a top view state is an isosceles triangle.

5. The connector housing of claim 1, wherein: and a third inner circular surface (17) is arranged between the first inner chamfer (13) and the second inner chamfer (14).

Images