CN212012016U

CN212012016U - Cable connector and electrical equipment with same

Info

Publication number: CN212012016U
Application number: CN202020549827.9U
Authority: CN
Inventors: 秦长辉; 韩冰; 曾凡乐
Original assignee: Beisit Electric Tech Hangzhou Co ltd
Current assignee: Beisit Electric Tech Hangzhou Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-11-24
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a cable connector, include: the shell is provided with openings at two ends and is fixedly arranged on a box body of the electrical equipment; the waterproof ring is used for being in sealed sleeve joint with the insulating layer of the cable, and the peripheral part of the waterproof ring is tightly matched with the inner wall of the shell; and the elastic shielding piece is arranged in the shell and is used for being in contact with the shielding layer of the cable in an attaching way. Compare in prior art, this cable connector and cable are two completely detached different subassemblies, make the cable can exist independently, avoid causing the whole volume of cable too big, in addition, compare cable connector's shield in prior art and cable cold pressing connection, the utility model provides a cable shielding layer closely cooperates with the elastic shielding piece, has ensured cable shielding layer and elastic shielding piece in close contact with's reliability on the one hand, and on the other hand has ensured the realizability of cable and elastic shielding piece assembly, has reduced the processing cost. The utility model also discloses an electrical equipment of including above-mentioned cable connector.

Description

Cable connector and electrical equipment with same

Technical Field

The utility model relates to a cable installation components and parts technical field, more specifically say, relate to a cable connector. Furthermore, the present invention relates to an electrical device comprising such a cable connector.

Background

In the prior art, a cable connector is generally disposed on a cable, and is integrated with the cable to form an integrated connection structure.

Generally, the shield and the cable of the cable connector are fixed together by cold crimping, i.e. the cable and the shield are of an irreversible integral structure.

It can be seen that such a cable connector needs to be integrated with the cable, which is expensive to manufacture and makes the cable bulky.

In summary, it is an urgent need to solve the above-mentioned problems by those skilled in the art to provide a cable connector capable of reducing the processing cost and the cable volume.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a cable connector, which can reduce the processing cost and the cable volume.

Another object of the present invention is to provide an electrical apparatus comprising the above cable connector.

In order to achieve the above object, the present invention provides the following technical solutions:

a cable connector comprising:

the shell is provided with openings at two ends and is fixedly arranged on a box body of the electrical equipment;

the waterproof ring is used for being in sealing sleeve joint with an insulating layer of a cable, and the peripheral part of the waterproof ring is tightly matched with the inner wall of the shell;

and the elastic shielding piece is arranged in the shell and is used for being in contact with the shielding layer of the cable in an attaching way.

Preferably, the one end of casing is equipped with and is used for right the one end of elasticity shielding part carries out the spacing first spacing portion of axial, be equipped with in the casing be used for right the waterproof circle carries out the spacing portion of axial second, the waterproof circle orientation the one end of elasticity shielding part is used for right the other end of elasticity shielding part carries out spacingly.

Preferably, the waterproof device further comprises a gasket arranged between the second limiting part and the waterproof ring, and the inner diameter of the gasket is smaller than that of the second limiting part.

Preferably, the casing includes the shell body and with the top cap of connection can be dismantled to the shell body, waterproof circle with elastic shielding part is located in the shell body, the top cap is equipped with the line hole of crossing that is used for restricting the home range of cable.

Preferably, the peripheral part of shell body is equipped with the buckle, the top cap be equipped with be used for with the fixed draw-in groove of buckle joint.

Preferably, the top cover comprises:

the boss is used for pressing the end face of the waterproof ring;

the edge part of a U-shaped groove is formed on the periphery of the boss, and the side wall of the end part of the shell body is inserted into the U-shaped groove.

Preferably, an avoiding groove for avoiding a terminal on the cable is formed in the inner wall of the wire passing hole.

Preferably, the box body panel is used as one wall surface of the box body, and the box body panel and the shell are of an integrated processing and forming structure.

Preferably, a sealing ring is arranged on one side of the box body panel, which is far away from the shell.

An electrical device comprises a box body and any one of the cable connectors, wherein a shell of the cable connector is fixedly arranged on the box body.

The utility model provides a cable connector installs on electrical equipment through the casing, connects into a whole with electrical equipment, and the cable can pass from the opening part at casing both ends, and after the cable passed the casing, the insulating layer and the waterproof circle sealing connection of cable had better sealed effect, and simultaneously, the shielding layer and the elastic shielding piece laminating contact of cable had better shielding effect.

That is, the cable connector and the cable are two completely separated components, which are independent from each other and do not affect each other, and can be assembled together. Compare in prior art, this cable connector makes the cable can independent existence, avoids causing the whole volume of cable too big, in addition, compares in prior art cable connector's shield body and cable cold pressing to be connected, the utility model provides a cable shielding layer closely cooperates with the elasticity shielding piece, has ensured the reliability of cable shielding layer and elasticity shielding piece in close contact with on the one hand, and on the other hand has ensured the realizability of cable and elasticity shielding piece assembly, has reduced the processing cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a cross-sectional view of a cable connector according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of the cable connector shown in fig. 1 after installation of a cable;

FIG. 3 is a schematic view of a housing of the cable connector shown in FIG. 1;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a schematic view of a top cover of the cable connector shown in FIG. 1;

FIG. 6 is a schematic view of the structure of FIG. 5 from another perspective;

fig. 7 is a schematic structural view of a waterproof ring in the cable connector shown in fig. 1;

fig. 8 is a schematic view of a resilient shield in the cable connector of fig. 1;

fig. 9 is a schematic structural view of a case of the cable connector and a case panel of the electrical device in an integral processing structure;

fig. 10 is a schematic structural diagram of another view angle of fig. 9.

The reference numerals in fig. 1 to 10 are as follows:

the structure comprises a shell 1, a shell body 11, a first limiting part 111, a second limiting part 112, a buckle 113, a top cover 12, a wire passing hole 121, a clamping groove 122, a boss 123, an edge part 124, an avoiding groove 125, a bevel angle 126, a waterproof ring 2, an elastic shielding part 3, a gasket 4, a box body panel 5, a sealing ring 6 and a cable 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The core of the utility model is to provide a cable connector can reduce the processing cost and reduce the cable volume. Another core of the present invention is to provide an electrical apparatus including the above cable connector.

Referring to fig. 1-10, fig. 1 is a cross-sectional view of a cable connector according to an embodiment of the present invention; fig. 2 is a cross-sectional view of the cable connector after installation of a cable; FIG. 3 is a schematic structural view of the housing; FIG. 4 is a cross-sectional view of FIG. 3; FIG. 5 is a schematic structural view of the top cover; FIG. 6 is a schematic view of the structure of FIG. 5 from another perspective; FIG. 7 is a schematic structural view of a waterproof ring; FIG. 8 is a schematic view of a resilient shield; FIG. 9 is a schematic structural view of a case and a case panel integrated into a machine-formed structure; fig. 10 is a schematic structural diagram of another view angle of fig. 9.

The utility model provides a cable connector mainly includes casing 1, waterproof circle 2 and elastic shielding piece 3 etc..

Specifically, the housing 1 is configured to be fixedly mounted on a box of the electrical device, that is, the cable connector is mounted on the electrical device through the housing 1 and integrally connected with the electrical device.

It will be appreciated that the housing 1 is open at both ends for the cable 7 to pass through from within the housing 1.

Preferably, the housing 1 is a metal housing 1.

The waterproof ring 2 is disposed in the housing 1, and an outer peripheral portion of the waterproof ring 2 is tightly fitted with an inner wall of the housing 1, for example, the waterproof ring 2 is in interference fit with the housing 1, so as to perform a sealing function and ensure the sealing performance of the cable connector itself.

The inner ring of the waterproof ring 2 is used for being in sealing sleeve joint with the insulating layer of the cable 7, and a person skilled in the art can determine the inner diameter of the waterproof ring 2 according to the outer diameter of the insulating layer of the cable 7, preferably, the waterproof ring 2 is in interference fit with the insulating layer of the cable 7, that is, the inner diameter of the waterproof ring 2 is slightly smaller than the outer diameter of the insulating layer of the cable 7, so as to seal and position the cable 7.

That is, when the cable 7 is installed, the cable 7 passes through the inside of the waterproof ring 2, and after the cable 7 is installed in the cable connector, the insulating layer of the cable 7 is tightly attached to the inner peripheral portion of the waterproof ring 2 to ensure the sealing performance between the cable 7 and the cable connector, and at the same time, the waterproof ring 2 plays a role in positioning the cable 7, so that the relative position between the cable 7 and the cable connector is kept constant when the cable 7 is installed in place. Elastic shielding member 3 is located in casing 1, and elastic shielding member 3 is used for closely cup jointing with the shielding layer of cable 7 to make the shielding layer of cable 7 and the laminating contact of elastic shielding member 3, play better shielding effect to cable 7.

It should be noted that, the utility model discloses do not restrict the concrete setting mode of elasticity shielding part 3, elasticity shielding part 3 can directly link to each other with the inner wall of casing 1, also can inject elasticity shielding part 3 in casing 1 through limit structure.

Further, the present invention does not specifically limit the inner diameter of the elastic shielding member 3, and those skilled in the art can determine the inner diameter according to the diameter of the cable 7, and preferably, after the cable 7 is installed, the elastic shielding member 3 is in interference fit with the shielding layer of the cable 7.

In view of the specific structure of the elastic shield 3, it is preferable that the elastic shield 3 is a shield spring.

The cross section of the shield spring may have various shapes, for example, the cross section of the shield spring is an oval, an isosceles trapezoid, a triangle, or the like, and in order to save space, it is preferable that the cross section of the shield spring has an isosceles triangle shape.

It should be noted that, the utility model discloses do not do specifically to waterproof circle 2 and elastic shielding piece 3's concrete height and do not specifically limit, technical personnel in the field can select according to actual conditions, as long as can satisfy the assembly demand can.

Therefore, the utility model provides a cable connector installs on electrical equipment through casing 1, connects into a whole with electrical equipment, and the opening part at casing 1 both ends can be followed to cable 7 and passes, and behind cable 7 passed casing 1, cable 7's insulating layer and 2 sealing connection of waterproof circle have better sealed effect, and simultaneously, cable 7's shielding layer and the contact of laminating of elastic shielding spare 3 have better shielding effect.

That is, the cable connector and the cable 7 are two completely separated components, which are independent from each other and do not affect each other, and can be assembled together. Compare in prior art, this cable connector makes cable 7 can independent existence, avoids causing the whole volume of cable 7 too big, in addition, compares in prior art cable connector's shield body and cable 7 to be connected of colding pressing, the utility model provides a cable 7 shielding layer closely cooperates with elastic shielding piece 3, has ensured the reliability of cable 7 shielding layer and elastic shielding piece 3 in close contact with on the one hand, and on the other hand has ensured the realizability of cable 7 with the assembly of elastic shielding piece 3, has reduced the processing cost.

In order to ensure the axial positions of the elastic shielding member 3 and the waterproof ring 2, on the basis of the above-mentioned embodiment, a first limiting portion 111 for axially limiting one end of the elastic shielding member 3 is provided at one end of the housing 1, a second limiting portion 112 for axially limiting the waterproof ring 2 is provided in the housing 1, and one end of the waterproof ring 2 facing the elastic shielding member 3 is used for limiting the other end of the elastic shielding member 3.

That is to say, the waterproof ring 2 in this embodiment sets up with the adjacent contact of elasticity shield 3 axial, and the internal diameter of waterproof ring 2 is less than the external diameter of elasticity shield 3 to the one end that makes elasticity shield 3 keep away from first spacing portion 111 can support waterproof ring 2, thereby makes waterproof ring 2 can carry out axial spacing to elasticity shield 3 towards the one end of elasticity shield 3. That is, the elastic shield 3 is restricted within the housing 1 by the waterproof ring 2 and the first stopper 111.

As shown in fig. 4, the first stopper portion 111 is preferably an annular stopper flange that protrudes inward in the radial direction of the housing 1.

It will be appreciated that a first mounting hole for the resilient shield 3 and a second mounting hole for the flashing 2 are provided in the housing 1.

Preferably, the first mounting hole and the second mounting hole form a stepped hole, the diameter of the first mounting hole is smaller than that of the second mounting hole, and a step connecting surface of the first mounting hole and the second mounting hole forms a second limiting portion 112 that axially limits the waterproof ring 2.

In order to increase the supporting area of the waterproof ring 2, on the basis of the above embodiment, the waterproof ring further includes a gasket 4 disposed between the second limiting portion 112 and the waterproof ring 2, and an inner diameter of the gasket 4 is smaller than an inner diameter of the second limiting portion 112.

That is, the waterproof ring 2 is in contact with the gasket 4 at the end facing the elastic shield 3, and the gasket 4 has an inner diameter smaller than that of the second stopper 112, so that the gasket 4 increases the supporting area of the waterproof ring 2 compared to the second stopper 112.

In addition, the gasket 4 is located between the waterproof ring 2 and the elastic shielding piece 3, separates the waterproof ring 2 from the elastic shielding piece 3, and plays an axial limiting role for the waterproof ring 2 and the elastic shielding piece 3 respectively, so that the waterproof ring 2 is prevented from contacting the elastic shielding piece 3, and the waterproof ring 2 is prevented from generating pressure effect on the elastic shielding piece 3 due to extrusion deformation when the cable 7 is installed.

It will be appreciated that the inner diameter of the washer 4 is greater than the outer diameter of the cable 7, so that the cable 7 can pass through the washer 4 smoothly, and the washer 4 is prevented from scratching the outer circumference of the cable 7.

In view of the limited supporting force of the waterproof ring 2 and the elastic shielding member 3 on the cable 7, therefore, in order to improve the supporting force of the cable connector on the cable 7, on the basis of the above-mentioned embodiment, the housing 1 includes the housing body 11 and the top cover 12 detachably connected to the housing body 11, the waterproof ring 2 and the elastic shielding member 3 are disposed in the housing body 11, and the top cover 12 is provided with the wire passing hole 121 for limiting the movable range of the cable 7.

That is, when the cable 7 is attached, the outer peripheral portion of the cable 7 is fitted to the wire passage hole 121 of the top cover 12, and the wire passage hole 121 can exert a certain restraining force on the cable 7.

In consideration of the specific implementation of the detachable connection manner of the top cover 12 and the housing 11, on the basis of the above embodiment, the outer periphery of the housing 11 is provided with the buckle 113, and the top cover 12 is provided with the clamping groove 122 for clamping and fixing with the buckle 113.

That is, in the present embodiment, the top cover 12 and the housing 11 are fixed by the engaging connection of the engaging groove 122 and the engaging buckle 113, so as to satisfy the requirement of quick installation and quick detachment of the cable connector.

Preferably, the catch 113 has a certain inclined surface in the installation direction of the top cover 12 to make the installation of the top cover 12 smoother.

Preferably, the number of the buckles 113 is two, and the two buckles 113 are symmetrically arranged; accordingly, the number of the card slots 122 is two, and the two card slots 122 are symmetrically arranged.

Further, in order to facilitate the installation of the top cover 12, the inner side of the end portion of the side wall of the top cover 12 corresponding to the catch 113 is provided with a bevel 126 for guiding the installation.

In order to increase the stability of the top cover 12, on the basis of the above embodiment, the top cover 12 includes the boss 123 and the edge 124, the boss 123 is used for pressing the end face of the waterproof ring 2, the edge 124 and the outer periphery of the boss 123 form a U-shaped groove, and the end side wall of the housing 11 is inserted into the U-shaped groove.

That is, the present embodiment employs the boss 123 to further define the position of the waterproof ring 2; meanwhile, the contact area between the top cover 12 and the shell body 11 is increased through the insertion of the shell body 11 and the U-shaped groove, and the stability of the top cover 12 is ensured.

In view of the fact that the maximum radial dimension of the terminal on the cable 7 is larger than the outer diameter of the cable 7, in order to avoid interference with the installation of the cable 7, on the basis of the above-described embodiment, the inner wall of the wire passing hole 121 is provided with the escape groove 125 for escaping the terminal on the cable 7.

In order to further save the processing cost, on the basis of the above embodiment, the case panel 5 is further included as one wall surface of the case, and the case panel 5 and the housing 1 are integrally processed and formed.

That is, in the present embodiment, the housing 1 of the cable connector is directly integrally formed with one surface of the housing of the electrical device, so that separate processing of the housing 1 is avoided.

Preferably, a plurality of housings 1 are provided on the cabinet panel 5.

In view of the convenience of assembling the case panel 5 with the other panels of the case, it is preferable that the case panel 5 is provided with a plurality of bolt coupling holes so that the case panel 5 is coupled with the other panels of the case by bolts.

In view of the sealing of the connection of the tank panel 5 with the other panels of the tank, on the basis of the above-described embodiment, the side of the tank panel 5 remote from the housing 1 is provided with a sealing ring 6.

That is, in the present embodiment, the attachment of the case panel 5 is sealed by the gasket 6.

Preferably, the tank panel 5 is provided with a groove for embedding the sealing ring 6.

In addition to the cable connector, the present invention also provides an electrical device including the cable connector disclosed in the above embodiments.

It should be noted that the present invention does not limit the specific type of the electrical device and the main structure thereof, as long as the electrical device needs to be installed with the cable 7. The main structure of the electrical device can be referred to the conventional structure of the same type of electrical device in the prior art, and is not described herein again.

The present embodiment is characterized in that the cable connector is disposed on an electrical apparatus, the electrical apparatus includes a box, and the housing 1 of the cable connector is fixedly disposed on the box.

It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The cable connector and the electrical device having the same provided by the present invention are described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A cable connector, comprising:

a shell (1) with two open ends and used for being fixedly arranged on a box body of the electrical equipment;

the waterproof ring (2) is used for being in sealing sleeve joint with an insulating layer of a cable (7), and the peripheral part of the waterproof ring (2) is tightly matched with the inner wall of the shell (1);

and the elastic shielding piece (3) is arranged in the shell (1) and is used for being in contact with a shielding layer of the cable (7) in an attaching mode.

2. Cable connector according to claim 1, wherein one end of the housing (1) is provided with a first position-limiting portion (111) for axially limiting one end of the elastic shield (3), and wherein the housing (1) is provided with a second position-limiting portion (112) for axially limiting the flashing ring (2), and wherein the end of the flashing ring (2) facing the elastic shield (3) is used for limiting the other end of the elastic shield (3).

3. Cable connector according to claim 2, further comprising a gasket (4) provided between the second stopper portion (112) and the waterproof ring (2), the gasket (4) having an inner diameter smaller than the inner diameter of the second stopper portion (112).

4. Cable connector according to any of claims 1 to 3, wherein said housing (1) comprises a housing body (11) and a top cover (12) detachably connected to said housing body (11), said watertight ring (2) and said elastic shield (3) being arranged inside said housing body (11), said top cover (12) being provided with a wire passage hole (121) for limiting the range of motion of the cable (7).

5. The cable connector according to claim 4, wherein a snap (113) is provided on an outer periphery of the housing (11), and the top cover (12) is provided with a locking groove (122) for locking with the snap (113).

6. Cable connector according to claim 4, wherein the top cover (12) comprises:

the boss (123) is used for pressing the end face of the waterproof ring (2);

and the edge part (124) of a U-shaped groove is formed on the outer periphery of the boss (123), and the side wall of the end part of the shell body (11) is inserted into the U-shaped groove.

7. Cable connector according to claim 4, wherein the inner wall of the wire passing hole (121) is provided with an escape groove (125) for escaping the terminal on the cable (7).

8. Cable connector according to claim 4, further comprising a cabinet panel (5) for serving as one wall of the cabinet, the cabinet panel (5) being of one-piece formed structure with the housing (1).

9. Cable connector according to claim 8, wherein the side of the cabinet panel (5) facing away from the housing (1) is provided with a sealing ring (6).

10. An electrical apparatus comprising a housing, characterized in that it further comprises a cable connector according to any one of claims 1-9, the housing (1) of said cable connector being fixedly arranged in said housing.