CN218040079U

CN218040079U - Cable clamping shielding accessory

Info

Publication number: CN218040079U
Application number: CN202221849044.8U
Authority: CN
Inventors: 秦慧明; 贾轶; 王延玺
Original assignee: Avic Optoelectronics Huayi Shenyang Electronic Technology Co ltd
Current assignee: Avic Optoelectronics Huayi Shenyang Electronic Technology Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-12-13
Anticipated expiration: 2032-07-18

Abstract

The utility model provides a cable clamping shielding accessory, which is used for fixedly connecting a cable and a connector and comprises a sleeve, wherein the inner wall of the sleeve is provided with an annular groove part; a spring ring received in the groove portion, the spring ring being configured to surround the cable and resiliently abut the cable; and the clamping piece is arranged at the first end of the sleeve and is used for clamping the cable. According to the utility model discloses a tight shielding annex of cable clamp, through the spring ring of holding in the sleeve and install the cooperation at the clamping piece of telescopic tip, because spring ring and clamping piece are elastic component for when the installation cable, can realize 360 shielded functions to single or many cables, simultaneously because the clamping piece of extra setting, can realize pressing from both sides tight function to the cable of different diameters. The utility model discloses simple structure, light in weight, it is small, low in manufacturing cost, the commonality is strong, and the erection joint is rapid, can satisfy the user demand under the different situation.

Description

Cable clamping shielding accessory

Technical Field

The application relates to the technical field of connectors, in particular to a cable clamping shielding accessory.

Background

The cable connector is mainly used for signal transmission between various transmission devices (such as various digital switches and power distribution racks and internal connection of optical and electrical transmission devices), and can also be applied to communication devices for data transmission (including audio, video, electronic communication and the like). The cable connector is generally fixedly connected with a cable through an accessory at the tail part of the connector, the existing connector accessory for connecting a shielding cable is only suitable for a single shielding cable, and when a plurality of shielding cables are used, a shielding net cannot be fixedly clamped, and the 360-degree shielding function cannot be realized; further, when the outer diameter of the cable is small, the cable cannot be clamped.

SUMMERY OF THE UTILITY MODEL

In view of this, for overcoming prior art's defect, the utility model provides a cable presss from both sides tight shielding annex has solved current connector annex and has not been applicable to many cables effectively, can't realize 360 shielded functions and can't press from both sides the problem of pressing from both sides the less cable of tight external diameter.

According to the utility model provides a cable clamping shielding accessory, which is used for fixedly connecting a cable and a connector, wherein, the cable clamping shielding accessory comprises a sleeve, and the inner wall of the sleeve is provided with an annular groove part; the spring ring is accommodated in the groove part and used for surrounding the cable and elastically abutting against the cable; and the clamping piece is arranged at the first end of the sleeve and is used for clamping the cable.

Preferably, the first end of the sleeve is formed with a stepped portion, the groove portion is located inside the stepped portion, and an outer diameter of the stepped portion is larger than an outer diameter of the sleeve.

Preferably, the clamping member is a pressure plate including an upper clamping portion formed in an arc shape and a lower clamping portion formed in an arc shape, the upper and lower clamping portions cooperating with each other to form a clamping portion for clamping and fixing the cable.

Preferably, an arc-shaped connecting portion is formed at the first end of the sleeve, and threaded holes are respectively formed in two ends of the arc-shaped connecting portion.

Preferably, the upper clamping part and the lower clamping part are both formed with rectangular grooves for clamping the cable; the pressing plate is fixedly connected with the connecting part through a fastening screw.

Preferably, the cable clamping shielding accessory is connected with the connector, the cable clamping shielding accessory further comprises a connection nut, a first end of the connection nut is arranged at the second end of the sleeve, and a second end of the connection nut is connected with the connector.

Preferably, the first end of the connection nut is sleeved on the second end of the sleeve, and the inner diameter of the connection nut is larger than the outer diameter of the sleeve.

Preferably, the second end of the sleeve is formed as an annular castellated formation which abuts an end of the connector.

Preferably, the mutually facing portions of the coupling nut and the sleeve are formed with a first recess and a second recess, respectively, both of which form a recess for receiving a circlip.

Preferably, the second end of the coupling nut is formed with coupling threads on an inner wall to which the connector is coupled.

According to the utility model discloses a tight shielding annex of cable clamp, through the spring ring of holding in the sleeve and the cooperation of installing at the clamping piece of telescopic tip, because spring ring and clamping piece are elastic component, make when the installation cable, can realize 360 shielded functions to single or many cables, simultaneously because the clamping piece of extra setting, can realize tight function of clamp to the cable of different diameters, the tight shielding annex of this cable clamp's simple structure, light in weight, small, low in manufacturing cost, therefore, the universality is strong, the erection joint is rapid, can satisfy the user demand under the different situation.

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 shows a schematic structural view of a cable clamping shielding accessory according to an embodiment of the present invention;

fig. 2 shows a schematic cross-sectional view of a cable clamping shielding accessory according to an embodiment of the present invention;

fig. 3 shows a schematic structural view of a sleeve according to an embodiment of the invention;

fig. 4 shows a schematic structural view of a spring ring according to an embodiment of the invention.

Reference numerals are as follows: 1-a sleeve; 101-a step portion; 102-groove section; 103-tooth structure; 104-a first threaded hole; 105-a second threaded hole; 2-a spring ring; 3, pressing a plate; 4-a first fastening screw; 5-a second fastening screw; 6-a connecting part; 7-connecting a screw cap; 8-clamp spring.

Detailed Description

The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, devices, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent to those skilled in the art in view of the disclosure of the present application. For example, the order of operations described herein is merely an example, which is not limited to the order set forth herein, but rather, variations may be made in addition to operations which must occur in a particular order, which will be apparent upon understanding the disclosure of the present application. Moreover, descriptions of features known in the art may be omitted for clarity and conciseness.

The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways to implement the methods, devices, and/or systems described herein that will be apparent after understanding the disclosure of the present application.

Throughout the specification, when an element (such as a layer, region, or substrate) is described as being "on," "connected to," coupled to, "over," or "overlying" another element, it may be directly "on," "connected to," coupled to, "over," or "overlying" the other element, or one or more other elements may be present therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to," directly coupled to, "directly over" or "directly overlying" another element, there may be no intervening elements present.

As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.

Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section referred to in the examples described herein may be termed a second element, component, region, layer or section without departing from the teachings of the examples.

For ease of description, spatial relationship terms such as "above 8230 \8230; above", "upper", "above 8230 \8230; below" and "lower" may be used herein to describe the relationship of one element to another element as shown in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "upper" relative to other elements would then be oriented "below" or "lower" relative to the other elements. Thus, the terms "over 8230 \ 8230;" above "include both orientations" over 8230; \8230; "over 8230;" under 8230; "depending on the spatial orientation of the device. The device may also be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.

Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.

The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application.

According to the utility model provides a pair of cable presss from both sides tight shielding annex, as shown in fig. 1 to 4, this cable presss from both sides tight shielding annex and is used for the tight and 360 shielded functions of realization of the clamp of shielded cable to shield cable and connector (not shown) fixed connection, the connector can be the equipment among the prior art. The cable gripping shielding accessory comprises a sleeve 1, a spring ring 2 and a pressure plate 3.

In the following description, the detailed structures of the sleeve 1, the spring ring 2, and the pressure plate 3 of the cable clamp shielding attachment will be described in detail with reference to fig. 1 to 4.

As shown in fig. 1 and 2, in an embodiment, the sleeve 1 may be formed in a cylindrical structure having a one-step portion 101, the step portion 101 being formed at a first end of the sleeve 1 and extending radially outward from a body of the sleeve 1, such that an outer diameter of the step portion 101 has a size larger than that of the outer diameter of the sleeve 1, and a groove portion 102 is formed inside the step portion 101, the groove portion 102 being for receiving and mounting a spring ring 2 described below, a depth of the groove portion 102 (i.e., a diameter of the groove portion 102) being larger than that of an inner diameter of the sleeve 1. In this way, the step portion 101 is formed, so that the spring ring 2 described below can be completely accommodated inside the sleeve 1, and the spring ring 2 can be extended and contracted according to cables of different diameters or different numbers of cables, and 360 ° shielding of the cables is ensured.

As shown in fig. 1 and 2, in the embodiment, the end of the first end of the sleeve 1 is formed with a tooth-shaped structure 103 along one circle of the end of the sleeve 1 in the radial direction, and the tooth-shaped structure 103 and the end of the connector formed with the second tooth-shaped structure are abutted and matched with each other to ensure that the cable clamp shield accessory cannot rotate in the radial direction after being assembled with the connector. As shown in fig. 3, in the embodiment in which the second end of the sleeve 1 is formed with the connection part 6, the connection part 6 may be formed in a semicircular structure extending in the axial direction along the end of the stepped part 101, the semicircular structure corresponding to the inner diameter of the sleeve 1, so that it is possible to achieve a rapid installation when assembling the cable. A first threaded hole 104 and a second threaded hole 105 are respectively formed at both end portions of the semicircular structure, and are fixedly connected with a pressure plate 3 described below through the first threaded hole 104 and the second threaded hole 105.

As shown in fig. 1, 2 and 4, in the embodiment, the spring ring 2 may be, for example, an elastic member made of metal, the spring ring 2 may be pressed into the inside of the groove portion 102 of the sleeve 1, and the inner diameter of the spring ring 2 may be expanded and contracted according to the diameter or the number of cables, thereby satisfying the shielding function of cables of different diameters or different numbers.

As shown in fig. 1 and 2, in the embodiment, the pressure plate 3 may be regarded as being composed of two parts, an upper clamp portion formed in an arc shape and a lower clamp portion formed in an arc shape, which cooperate with each other to form a clamp portion for clamping the cable. The upper and lower clamping portions may, for example, be resilient, retractable members, such that when a cable is passed through the cable to clamp the shielding accessory, the upper and lower clamping portions may correspondingly telescope and compress depending on the diameter of the cable. The upper clamping portion and the lower clamping portion are both provided with rectangular grooves, the rectangular grooves protrude outwards from the clamping portions, and due to the fact that the cable is of a flexible structure, when the cable is clamped on the clamping portions, part of the cable can abut against the rectangular grooves, and the cable can be clamped.

Screw coupling holes corresponding to the first and

second screw holes

104 and 105 are formed at both sides of the pressing plate 3, and the pressing plate 3 can be fixedly coupled to the sleeve 1 by means of first and second fastening

screws

4 and 5.

As shown in fig. 1 and 2, in an embodiment, the cable clamping shielding accessory further comprises a connection nut 7. Specifically, the connection nut 7 is disposed at the first end of the sleeve 1, and the inner diameter of the connection nut 7 is matched with the outer diameter of the first end of the sleeve 1, so that the connection nut 7 can be sleeved outside the sleeve 1. The connecting nut 7 can be fixedly connected with the sleeve 1 through a connecting component such as a clamp spring 8, and the clamp spring 8 can be used on the basis of meeting the fixed connection of the connecting nut 7 and the sleeve 1, so that the connecting nut 7 and the sleeve 1 cannot rotate in the radial direction, and the assembly requirement is met. The inner wall of the coupling nut 7 not in contact with the sleeve 1 is formed with a coupling thread (not shown) by which the coupling nut 7 is engaged with and fixedly connected to the outer thread formed by the connector and the toothed structure 103 of the sleeve 1 and the second toothed structure of the connector are brought into abutment with each other.

The assembly process of the cable clamping shielding accessory comprises the following steps: firstly, the spring ring 2 is pressed into the groove portion 102 of the sleeve 1, the connecting nut 7 is connected with the first end of the sleeve 1 through the snap spring 8, and the pressing plate 3 is fixedly connected with the second end of the sleeve 1 through the first fastening screw 4 and the second fastening screw 5.

The cable clamping and shielding accessory comprises the following use processes: when the shielding cables of different diameters, which are single or multiple, need to be clamped and shielded, the pressing plate 3 at the second end of the sleeve 1 is taken down, the shielding net of the cables is stripped, the cables are pushed into the sleeve 1 from the first end of the sleeve 1 until the shielding net penetrates through the spring ring 2, the spring ring 2 is an elastic component, the cables are pressed by the spring ring 2 at the moment, the shielding function of 360 degrees is realized, when the cables penetrate through the sleeve, the upper pressing plate and the lower pressing plate of the pressing plate 3 are sleeved on the cables outside the first end of the sleeve 1, the pressing plate 3 is also an elastic component, at the moment, the cables are clamped, and the pressing plate 3 fixedly connects the pressing plate 3 with the first threaded hole 104 and the second threaded hole 105 of the sleeve 1 through the first fastening screw 4 and the second fastening screw 5. Finally, the connecting nut 7 is in threaded connection with the connector, and the tooth-shaped structure 103 at the first end of the sleeve 1 is abutted to the second tooth-shaped structure of the connector, so that the connector and the cable clamping and shielding accessory cannot rotate radially, and the assembling accuracy is guaranteed.

This tight shielding annex of cable clamp has elastic spring ring 2 and clamp plate 3 through spring ring 2 holding with the inside of sleeve 1's recess portion 102 and with clamp plate 3 install the first end at sleeve 1, realized will shield the cable parcel and press from both sides tight function, can satisfy 360 shielding and tight functions of clamp of different diameters and different quantity of cable when being connected with the connector, the adaptation scope of the diameter of cable is big. The cable clamping shielding accessory is simple in structure, light in weight, small in size, low in manufacturing cost, high in universality and rapid in installation and connection, and can meet the use requirements under different conditions.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used to illustrate the technical solutions of the present application, but not to limit the technical solutions, and the scope of the present application is not limited to the above-mentioned embodiments, although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present application and are intended to be covered by the appended claims. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A cable clamping shielding accessory for fixedly connecting a cable to a connector, the cable clamping shielding accessory comprising:

the inner wall of the sleeve is provided with an annular groove part;

a spring ring received in the groove portion, the spring ring being configured to surround the cable and resiliently abut the cable;

and the clamping piece is arranged at the first end of the sleeve and is used for clamping the cable.

2. The cable gripping shielding accessory of claim 1, wherein the first end of the sleeve is formed with a step, the recessed portion being located inside the step, the step having an outer diameter greater than an outer diameter of the sleeve.

3. The cable-clamping shielding accessory of claim 1, wherein the clamp is a clamp plate including an upper clamp portion formed in an arc shape and a lower clamp portion formed in an arc shape, the upper and lower clamp portions cooperating with each other to form a clamp portion for clamping and securing the cable.

4. The cable clamping shielding accessory of claim 3, wherein the sleeve has an arcuate connecting portion formed at a first end thereof, and threaded holes are respectively formed at two ends of the connecting portion.

5. The cable clamping shielding accessory of claim 4, wherein the upper clamping portion and the lower clamping portion are each formed with a rectangular slot for clamping the cable; the pressure plate is fixedly connected with the connecting part through a fastening screw.

6. The cable clamping shielding accessory of claim 1, wherein the cable clamping shielding accessory is connected to a connector, the cable clamping shielding accessory further comprising a coupling nut, a first end of the coupling nut being disposed at a second end of the sleeve, a second end of the coupling nut being connected to the connector.

7. The cable clamping shielding accessory of claim 6, wherein the first end of the coupling nut is disposed over the second end of the sleeve, and the coupling nut has an inner diameter that is greater than an outer diameter of the sleeve.

8. The cable gripping shielding accessory of claim 6, wherein the second end of the sleeve is formed as an annular castellated structure that abuts an end of the connector.

9. The cable clamping shielding accessory of claim 6, wherein the mutually facing portions of the connection nut and the sleeve are formed with a first recess and a second recess, respectively, both forming a recess for receiving a circlip.

10. The cable clamping shielding attachment of claim 7 wherein an inner wall of the second end of the coupling nut to which the connector is coupled is formed with coupling threads.