CN220401297U

CN220401297U - Cable fixing device

Info

Publication number: CN220401297U
Application number: CN202321514943.7U
Authority: CN
Inventors: 王茂琛; 刘春夏
Original assignee: Changsha Yingweiteng Electric Technology Co ltd
Current assignee: Changsha Yingweiteng Electric Technology Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2024-01-26
Anticipated expiration: 2033-06-14

Abstract

The application is applicable to cable fixing device's technical field, provides a cable fixing device, include: the metal plate is used for being grounded and connected with the metal shielding layer of the shielded cable; the pressing piece is used for pressing and abutting the metal shielding layer on the metal plate, two ends of the pressing piece are respectively positioned on two sides of the metal shielding layer, one end of the pressing piece is fixed on the metal plate, and a plurality of first connecting pieces are arranged at intervals along the length direction of the pressing piece at the other end of the pressing piece; the second connecting piece is used for being detachably connected with the first connecting piece, so that the other end of the pressing piece is detachably fixed on the metal plate; when the second connecting piece is connected with the first connecting piece, the holding spaces with different sizes are formed between the pressing pieces and the metal plates so as to hold and fix the shielded cables with different diameter sizes. The second connecting piece is detachably connected with the first connecting pieces, so that shielded cables with different diameter sizes can be fixed, the metal shielding layer is fully grounded, and the shielding effect is ensured.

Description

Cable fixing device

Technical Field

The application belongs to the technical field of shielded cables, and particularly relates to a cable fixing device.

Background

Electromagnetic shielding is a commonly used EMC (Electro Magnetic Compatibility ) technology that can effectively reduce the effects of electromagnetic radiation and electromagnetic induction. The electromagnetic shielding can be realized by adopting a metal shielding cover, a metal shielding plate, a metal shielding net and the like. The electromagnetic shielding aims to improve the electromagnetic interference resistance of the whole equipment in an environment with electromagnetic interference. On one hand, the electromagnetic noise generated by the shielding equipment is used for shielding the interference of the electromagnetic noise to the outside, and on the other hand, the electromagnetic noise generated by the shielding equipment is used for shielding the interference of the electromagnetic noise to the outside to the equipment.

In the process of cabling, in order to effectively suppress electromagnetic interference of noise sources, a shielded cable is generally used to transmit electric signals and power. To achieve a stable shielding effect, the metallic shielding layer on the shielded cable needs to be grounded. The fixing device adopted at present comprises a grounded metal plate, a pressing sheet and two screws, wherein the pressing sheet is arranged on the metal shielding layer along the length direction perpendicular to the shielding cable, and two ends of the pressing sheet are respectively fixed with the metal plate through locking screws, so that the metal shielding layer is pressed tightly to be grounded. However, due to the shielded cables used by different users, the diameters and the sizes of the metal shielding layers are different, the pressing piece can be suspended, the screws are difficult to screw and loose easily, so that the metal shielding layers are not pressed tightly and cannot be grounded sufficiently, and the shielding effect is poor.

Disclosure of Invention

In view of this, the embodiment of the application provides a cable fixing device to solve the technical problems of weak fixed grounding and poor shielding effect of the metal shielding layer.

The embodiment of the application provides a cable fixing device, including:

the metal plate is used for being grounded and connected with a metal shielding layer of the shielded cable;

the pressing piece is used for pressing and abutting the metal shielding layer to the metal plate, two ends of the pressing piece are respectively positioned at two sides of the metal shielding layer, one end of the pressing piece is fixed to the metal plate, a plurality of first connecting pieces are arranged at intervals along the length direction of the pressing piece, and the length direction of the pressing piece points to the other end from one end of the pressing piece; and

the second connecting piece is arranged on the metal plate and is used for being detachably connected with the first connecting piece so that the other end of the pressing piece is detachably fixed on the metal plate;

when the second connecting piece is connected with different first connecting pieces, accommodating spaces with different sizes are formed between the pressing pieces and the metal plates so as to accommodate and fix the shielded cables with different diameter sizes.

In one embodiment, the metal plate is provided with a through hole for one end of the pressing piece to pass through, and the through hole is positioned on one side of the metal plate, which is close to the second connecting piece.

In one embodiment, the first connecting piece is a connecting hole, the second connecting piece is a bump, and the connecting hole is in plug-in fit with the bump, so that one end of the pressing piece is detachably connected with the metal plate.

In one embodiment, the bump is disposed on an inner sidewall of the through hole near a side of the metal shielding layer, and the bump extends toward a length direction of the pressing piece and is disposed obliquely opposite to the side of the metal shielding layer.

In another embodiment, the first connecting piece is a bump, and the second connecting piece is a connecting hole.

In one embodiment, the device further comprises a fastener, wherein the fastener penetrates through one end of the pressing sheet and is detachably connected with the metal plate, so that one end of the pressing sheet is detachably fixed on the metal plate.

In one embodiment, one end of the sheeting is provided with a waist hole for the fastener to pass through, and the waist hole extends along the length direction of the sheeting.

In one embodiment, a partial region of the metal plate extends along the length direction of the shielded cable to form a supporting plate, and the supporting plate is matched with the metal plate to stably support the shielded cable at two ends of the metal shielding layer so as to keep the metal shielding layer horizontal.

In one embodiment, the metal plate is provided with mounting holes to fix the metal plate for grounding.

In one embodiment, the sheeting is stainless steel sheeting.

According to the cable fixing device provided by the embodiment of the application, one end of the pressing piece is fixed on the metal plate, the other end of the pressing piece is detachably connected through the first connecting piece and the second connecting piece, so that two ends of the pressing piece are fixed on the metal plate, and an accommodating space is formed between the pressing piece and the metal plate to accommodate the shielding cable and the metal shielding layer; the plurality of first connecting pieces are arranged along the length direction of the pressing piece, any one of the first connecting pieces can be detachably connected with the second connecting piece, so that accommodating spaces with different sizes are formed between the pressing piece and the metal plate, and shielded cables with different diameter sizes can be accommodated and fixed; when fixed the shielded cable of different diameter sizes, the second connecting piece can be connected with the first connecting piece detachable of different positions, presses the shielded cable to fasten on the metal sheet to make the metal shielding layer can fully ground, guarantee shielding effect, still make the operation of fixed shielded cable comparatively simple and convenient moreover.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a cable fixture device according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of the cable fixture device shown in FIG. 1;

FIG. 3 is a second schematic structural view of the cable fixture device shown in FIG. 1;

FIG. 4 is a second schematic installation view of the cable fixture device according to the embodiment of the present application;

FIG. 5 is a schematic view of an installation of a cable fixture device provided in accordance with another embodiment of the present application;

fig. 6 is a cross-sectional view taken along the direction A-A in fig. 5.

Wherein, the reference numerals:

1. a shielded cable; 2. a metal shielding layer;

10. a metal plate; 11. a support plate; 100. a through hole; 101. a mounting hole; 102. a screw locking hole;

20. tabletting; 21. a first connector; 200. waist holes;

30. a second connector;

40. a fastener.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system configurations, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It should also be understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

In addition, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise. "plurality" means two and more.

As shown in fig. 1 and 2, an embodiment of the present application provides a cable fixing device including a metal plate 10, a pressing piece 20, and a second connecting member 30;

the metal plate 10 is used for grounding and is connected with the metal shielding layer 2 of the shielded cable 1;

the pressing sheet 20 is used for pressing and abutting the metal shielding layer 2 on the metal plate 10, two ends of the pressing sheet 20 are respectively located at two sides of the metal shielding layer 2, one end of the pressing sheet 20 is detachably fixed on the metal plate 10, a plurality of first connecting pieces 21 are arranged at intervals along the length direction of the pressing sheet 20 at the other end of the pressing sheet 20, and the length direction of the pressing sheet 20 is from one end of the pressing sheet 20 to the other end;

the second connecting piece 30 is arranged on the metal plate 10, and the second connecting piece 30 is used for being detachably connected with the first connecting piece 21 so that the other end of the pressing piece 20 is detachably fixed on the metal plate 10;

wherein, when the second connector 30 is connected with the different first connectors 21, the pressing piece 20 and the metal plate 10 form accommodating spaces with different sizes so as to accommodate and fix the shielded cables 1 with different diameter sizes.

In some embodiments, one end of the pressing sheet 20 may also be fixed to the metal plate 10 by welding.

In application, when the first connecting piece 21 and the second connecting piece 30 on the pressing piece 20 are detachably connected, an accommodating space is formed between the pressing piece 20 and the metal plate 10, so that the shielded cable 1 can be accommodated and passed through, and the shielded cable 1 is pressed and abutted on the metal plate 10 through the pressing piece 20; when the shielded cables 1 with different diameter sizes are required to be fixed, only the second connecting piece 30 is required to be connected with the first connecting piece 21 which is closer to the second connecting piece 30, and the pressing piece 20 is adjusted to press part of the length of the shielded cable 1, so that the size of the accommodating space is adjusted, the shielded cables 1 with different diameter sizes can be accommodated, the pressing piece 20 is pressed and compacted, and the metal shielding layer 2 is firmly fixed on the metal plate 10, and the shielding effect is ensured. On the other hand, the universality of the cable fixing device is improved, namely, the same pressing piece can be suitable for pressing shielding cables with various diameter sizes, and the maintenance cost of a user is reduced.

In application, there are mainly two cases where the shielded cable 1 is not of a different size: firstly, the diameters of the metal shielding layers 2 used by different customers cannot be kept completely uniform for the shielded cables 1 of the same standard specification. Secondly, the diameter sizes of the shielded cables 1 with different standard specifications are not necessarily the same. Therefore, the fixing device in the prior art is adopted for fixing, the pressing sheet is suspended, the two ends of the pressing sheet are difficult to fix firmly, the metal shielding layer 2 is not pressed tightly, and the shielding effect is poor. Therefore, the cable fixing device provided by the application can well solve the problem, can fix the shielding cables 1 with different diameter sizes (such as the cable fixing device provided by the application is respectively shown in fig. 4 and 5 to fix the shielding cables 1 with small diameter sizes and large diameter sizes), and ensures the shielding effect.

In use, one end of the sheeting 20 is removably secured to the metal plate 10. The detachable fixing comprises threaded connection, clamping connection, mortise connection, grafting and other connection modes, and can be detached. Similarly, the detachable connection of the first connector 21 and the second connector 30 includes the connection method described above. The detachable connection mode is adopted, so that on one hand, the installation and the detachment are convenient, and on the other hand, the second connecting piece 30 is convenient to adjust and connect with the first connecting piece 21 at different positions, so that a containing space with proper size is formed between the metal plate 10 and the pressing piece 20 to fix the shielded cable 1. In application, the metal plate 10 is a copper plate, an iron plate, an alloy plate, or the like.

In one embodiment, as shown in fig. 1 and 3, the metal plate 10 is provided with a through hole 100 for passing one end of the pressing piece 20, and the through hole 100 is located on the side of the metal plate 10 near the second connecting piece 30. Thus, one end of the pressing piece 20 is fixedly connected with the metal plate 10, the other end of the pressing piece 20 passes through the through hole 100, and the other end of the pressing piece 20 is fixed by matching with the second connecting piece 30 on the other side of the metal plate 10, so that the fixation of the two ends of the pressing piece 20 is realized.

In one embodiment, as shown in fig. 2 and 3, the first connecting member 21 is a connecting hole, and the second connecting member 30 is a bump, and the connecting hole is in plug-in fit with the bump. The bump is inserted into the connection hole to detachably connect one end of the pressing piece 20 with the metal plate 10. The plurality of connecting holes are arranged at intervals along the length direction of the pressing sheet 20, and the convex blocks can be in plug-in fit with the connecting holes at different positions, so that accommodating spaces with different sizes are formed between the pressing sheet 20 and the metal plate 10 to accommodate and fix the shielded cables 1 with different diameter sizes.

In application, the shape of the connecting hole is round, and the convex block is strip-shaped; the shape of the connecting hole can also be triangle, ellipse, rectangle, pentagon, hexagon, etc., while the bump is matched with the shape of the connecting hole, and is cone, cylinder, etc. Specifically, the bump is formed by bending the metal plate 10.

In one embodiment, as shown in fig. 2 and 6, the bump is disposed on the inner sidewall of the side of the through hole 100 near the metal shielding layer 2, and the bump extends toward the length direction of the pressing piece 20 and is disposed obliquely to the side facing away from the metal shielding layer 2. Specifically, one end of the bump is connected to the inner wall of the through hole 100, and the other end of the bump extends in the longitudinal direction of the presser 20 and is inclined downward and rightward. The inclined arrangement has the advantages that a certain included angle can be formed between the inclined arrangement and the metal plate 10, so that the end part of the pressing piece 20 is fixed, and the protruding blocks are prevented from being separated from the connecting holes; on the other hand, the distance between the end of the bump and the through hole 100 is increased, facilitating the end of the presser 20 to pass through. In other embodiments, the bumps may also be arranged directly perpendicular to the metal plate 10; or is inclined away from the side where the metal shielding layer 2 is located. In this case, the metal plate 10 may be provided with the through hole 100, or the through hole 100 may not be provided.

In another embodiment, the first connecting member 21 is a bump, and the second connecting member 30 is a connecting hole.

In one embodiment, as shown in fig. 2 and 3, the cable fixing device further includes a fastener 40, and the fastener 40 is penetrated through one end of the pressing sheet 20 and detachably connected to the metal plate 10 to detachably fix one end of the pressing sheet 20 to the metal plate 10. Specifically, the fastening member 40 is a fastening screw, and fixes one end of the pressing piece 20 through a threaded connection, so that the connection is more firm.

In one embodiment, as shown in fig. 3, one end of the panel 20 is provided with a waist hole 200 for the fastener 40 to pass through, the waist hole 200 extending along the length of the panel 20. The advantage of this arrangement is that the waist hole 200 has more adjustment space along the length direction than the round hole, so when the first connecting piece 21 is detachably connected with the second connecting piece 30, the other end of the pressing piece 20 can be finely adjusted when the other end of the pressing piece 20 is fixed by the fastening piece 40, the position of the fastening piece 40 in the waist hole 200 can be finely adjusted, the shielded cable 1 can be more firmly fixed, and the metal shielding layer 2 is fully grounded.

In one embodiment, the metal plate 10 is provided with screw locking holes 102 at positions corresponding to the waist holes 200 of the pressing plates 20 for the fasteners 40 to be inserted and locked; the metal plate 10 is riveted with a nut at a position corresponding to the screw locking hole 102 on a side facing away from the pressing piece 20 to be screwed with the fastener 40.

In one embodiment, as shown in fig. 3 and 4, a partial region of the metal plate 10 is extended in the length direction of the shielded cable 1 to form a support plate 11, and the support plate 11 is fitted with the metal plate 10 to stably support the shielded cable 1 at both ends of the metal shield 2 so that the metal shield 2 at the fastened portion is maintained horizontal. The installation conditions of the shielded cable 1 are different, but in order to sufficiently ground the metal shield 2, it is necessary to keep the shielded cable 1 at both ends of the metal shield 2 horizontal, and there is no difference in height. The support plate 11 is present to provide a flat support surface for the shielded cable 1 in cooperation with the metal plate 10, so that the shielded cable 1 can be kept horizontal.

In one embodiment, as shown in fig. 3, the metal plate 10 is provided with mounting holes 101 to fix the metal plate 10 and achieve grounding. Fasteners 40, such as screws, bolts, etc., are used to pass through the mounting holes 101 to secure the metal plate 10 to a stable ground.

In one embodiment, the sheeting 20 is stainless steel sheeting 20. The stainless steel has certain elasticity and can be elastically deformed to be convenient for passing through the through hole 100; secondly, stainless steel has a good toughness, so that the shielded cable 1 can be pressed against the metal plate 10.

It should be noted that the cable fixing device provided in the present application is not limited to the installation and fixation of the shielded cable 1, but may be applied to the installation and fixation of a general cable, a water pipe, a gas pipe, and the like.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.

Claims

1. A cable fixture, comprising:

2. The cable fixture device of claim 1 wherein the metal plate is provided with a through hole for one end of the preform to pass through, the through hole being located on a side of the metal plate adjacent to the second connector.

3. The cable fixture device of claim 1 wherein the first connector is a connector hole and the second connector is a tab, the connector hole mating with the tab.

4. The cable fixing device according to claim 2, wherein the first connecting member is a connecting hole, the second connecting member is a bump, the connecting hole is in plug-in fit with the bump, the bump is arranged on an inner side wall of the through hole on a side close to the metal shielding layer, the bump extends towards a length direction of the pressing piece, and is obliquely arranged on a side away from the metal shielding layer.

5. The cable fixture device of claim 1 wherein the first connector is a tab and the second connector is a connector aperture.

6. The cable fixture device of any one of claims 1 to 5 further comprising a fastener threaded through one end of the blade and removably coupled to the metal plate to removably secure one end of the blade to the metal plate.

7. The cable fixture of claim 6 wherein one end of the blade defines a waist hole for the fastener to pass through, the waist hole extending along the length of the blade.

8. The cable fixture device of any one of claims 1 to 5 wherein a partial region of the metal plate extends along the length of the shielded cable to form a support plate that cooperates with the metal plate to stably support the shielded cable at both ends of the metal shield to maintain the metal shield horizontal.

9. The cable fixture device of any one of claims 1 to 5 wherein the metal plate is provided with mounting holes to secure the metal plate to ground.

10. The cable fixture device of any one of claims 1 to 5 wherein the preform is a stainless steel preform.