CN113571948A

CN113571948A - Anti-falling device

Info

Publication number: CN113571948A
Application number: CN202110856028.5A
Authority: CN
Inventors: 徐源浍; 高艳琴; 闫志文
Original assignee: CRRC Datong Co Ltd
Current assignee: CRRC Datong Co Ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-10-29
Anticipated expiration: 2041-07-28
Also published as: CN113571948B

Abstract

The invention provides an anti-drop device, which is used for positioning a wire number sleeve on a cable and comprises two clamping sleeves and two limiting groove bodies; the two cutting sleeves are arranged at intervals, each cutting sleeve comprises a cutting sleeve body, and the cutting sleeve body is used for being wound on a cable in an adjustable mode; the two limiting groove bodies are respectively arranged on the opposite sides of the two cutting sleeve bodies, and the opening directions of the clamping grooves of the two limiting groove bodies are opposite; the anti-drop device is used for being clamped and fixed on pipe orifices at two ends of the wire size sleeve through the two clamping grooves respectively, and the cable is sleeved with the two clamping sleeve bodies. Through the design, when the cable is inserted with the wire number mark, the anti-falling positioning sleeve can be suitable for the anti-falling positioning of wire number sleeves of cables with different specifications through the sleeve chuck body, and the wire number sleeves are fixed through the two limiting groove bodies. The invention can provide firm positioning for the wire number sleeve of the cable, and has the advantages of convenient operation, convenient processing and the like.

Description

Anti-falling device

Technical Field

The invention relates to the technical field of cable accessories, in particular to an anti-falling device.

Background

In the process of electrical wiring connection, management of line identification is indispensable, and a line number sleeve is crucial in management of line identification. However, in the practical application process, the wire number sleeve is not paid enough attention, so that the wire number sleeve is frequently dropped, and much inconvenience is brought to troubleshooting and maintenance of an electric circuit.

The existing solution comprises two designs, one scheme is that the tail end of the cable is knotted after the cable is sheathed with the wire number identification, but the anti-falling success rate of the scheme is determined by the knotting tightness, the wire needs to be cut in the wiring process of the post-process wiring, and the falling probability of the wire number sleeve is increased in the wire cutting process. The other scheme is that the cable at the lower part of the wire number sleeve is bundled by using a binding tape after the cable is wired, the bundling position is difficult to ensure to be tidy and beautiful due to the limitation of the technical level of an operator, and extra workload is added to the operator.

Disclosure of Invention

A primary object of the present invention is to overcome at least one of the above-mentioned drawbacks of the prior art, and to provide an anti-falling device capable of providing a firm positioning, convenient operation and easy processing for a wire size sleeve of a cable.

In order to achieve the purpose, the invention adopts the following technical scheme:

according to one aspect of the invention, an anti-drop device is provided for positioning a wire number sleeve on a cable, wherein the anti-drop device comprises two cutting sleeves and two limiting groove bodies; the two cutting sleeves are arranged at intervals, each cutting sleeve comprises a cutting sleeve body, and the cutting sleeve body is used for being wound on the cable in an adjustable mode; the two limiting groove bodies are respectively arranged on one opposite sides of the two ferrule bodies, and the opening directions of the clamping grooves of the two limiting groove bodies are opposite; the anti-falling device is used for being clamped and fixed at pipe orifices at two ends of the wire size sleeve respectively through the two clamping grooves, and the cable is sleeved with the two clamping sleeve bodies.

According to one embodiment of the invention, the ferrule body is in a band-shaped structure and is adjustably wound into a tubular structure, and the ferrule body is sleeved on the cable through a tube cavity of the tubular structure.

According to one embodiment of the present invention, each of the ferrules further comprises a snap; the buckle is arranged at one end of the ferrule body and is used for being detachably connected with the rest part of the ferrule body, so that the ferrule body is kept in a winding state.

According to one embodiment of the present invention, the ferrule body is provided with a plurality of card holes, and the latch is configured to selectively latch with one of the card holes to maintain the ferrule body in a coiled state.

According to one embodiment of the present invention, the buckle includes a connecting portion and a clamping portion; the connecting part is of a columnar structure, and one end of the connecting part is connected to the ferrule body; the clamping part is arranged at the other end of the connecting part; the outer diameter of the connecting portion is smaller than or equal to the aperture of the clamping hole, and the outer diameter of the clamping portion is larger than the aperture of the clamping hole.

According to one embodiment of the invention, the limiting groove body is provided with a boss, the ferrule body is provided with a groove, and the boss is inserted into the groove, so that the limiting groove body is detachably connected to the ferrule body.

According to one embodiment of the invention, the length of the limiting groove body is smaller than the perimeter of the wire size sleeve.

According to one embodiment of the present invention, the ferrule includes a material containing silicone.

According to one embodiment of the invention, the ferrule is the same color as the cable.

According to one embodiment of the invention, the limiting groove body is made of transparent materials.

According to the technical scheme, the anti-falling device has the advantages and positive effects that:

the anti-falling device provided by the invention comprises two clamping sleeves and two limiting groove bodies. Each ferrule includes a ferrule body adjustably wrapped about the cable. The two limiting groove bodies are respectively arranged on the opposite sides of the two clamping sleeve bodies, and the opening directions of the clamping grooves of the two limiting groove bodies are opposite. The anti-drop device is respectively clamped and fixed at the pipe orifices at the two ends of the wire size sleeve through the two clamping grooves, and the cable is sleeved with the two clamping sleeve bodies. Through the design, when the cable is inserted with the wire number mark, the anti-falling positioning sleeve can be suitable for the anti-falling positioning of wire number sleeves of cables with different specifications through the sleeve chuck body, and the wire number sleeves are fixed through the two limiting groove bodies. The invention can provide firm positioning for the wire number sleeve of the cable, and has the advantages of convenient operation, convenient processing and the like.

Drawings

Various objects, features and advantages of the present invention will become more apparent from the following detailed description of preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

FIG. 1 is a perspective view of a dropout prevention means according to an exemplary embodiment;

FIG. 2 is a front view of the falling off preventive device shown in FIG. 1;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a left side view of FIG. 2;

FIG. 5 is a schematic view of a combination of a ferrule and a retaining groove of the dropout prevention means shown in FIG. 1;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a left side view of FIG. 5;

fig. 8 is a schematic view showing a use state of the falling off preventive device shown in fig. 1 when a wire number sleeve is positioned on a cable.

The reference numerals are explained below:

100. an anti-falling device;

110. a card sleeve;

111. a ferrule body;

112. buckling;

1121. a connecting portion;

1122. a clamping part;

113. a clamping hole;

120. a limiting groove body;

121. a card slot;

200. a wire number sleeve;

300. a cable;

D1. the diameter of the hole;

D2. an outer diameter;

D3. outer diameter.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are accordingly to be regarded as illustrative in nature and not as restrictive.

In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples described in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of the invention.

Referring to fig. 1, a perspective view of a falling off preventive device 100 according to the present invention is representatively illustrated. In the exemplary embodiment, the anti-falling device 100 of the present invention is described by taking an example of providing an anti-falling positioning function for the wire number sleeve 200 of the cable 300. Those skilled in the art will readily appreciate that various modifications, additions, substitutions, deletions, or other changes may be made to the specific embodiments described below in order to apply the inventive concepts associated with other types of cable 300 accessories, and still fall within the principles of the dropout prevention means 100 set forth herein.

As shown in fig. 1, in the present embodiment, the anti-drop device 100 according to the present invention can position the wire number sleeve 200 on the cable 300 to provide the anti-drop positioning function for the wire number sleeve 200. The anti-falling device 100 includes two ferrules 110 and two limiting grooves 120. Referring to fig. 2 to 8, fig. 2 representatively illustrates a front view of the falling off preventive device 100; representatively illustrated in fig. 3 is a top view of fig. 2; the left side view of FIG. 2 is representatively illustrated in FIG. 4; fig. 5 representatively illustrates a schematic view of a combination of a ferrule 110 and a retaining channel body 120; representatively illustrated in fig. 6 is a top view of fig. 5; the left side view of FIG. 5 is representatively illustrated in FIG. 7; fig. 8 representatively illustrates a schematic view of a state in which the drop preventing device 100 is used when the wire number sleeve 200 is positioned on the cable 300. The structure, connection and functional relationship of the main components of the drop preventing device 100 according to the present invention will be described in detail with reference to the above drawings.

As shown in fig. 1 to 8, in the present embodiment, two ferrules 110 are arranged at intervals, each ferrule 110 includes a ferrule body 111, and the ferrule body 111 is configured to be adjustably wound around a cable 300, so that it can be adapted to various different types of cables 300. The two limiting groove bodies 120 are respectively arranged on the opposite sides of the two ferrule bodies 111, and the opening directions of the clamping grooves 121 of the two limiting groove bodies 120 are opposite. On this basis, the anti-falling device 100 can be respectively clamped and fixed at the pipe orifices at the two ends of the wire number sleeve 200 through the two clamping grooves 121, so that the wire number sleeve 200 can be prevented from sliding, and a positioning effect is achieved. Moreover, the anti-falling device 100 can be sleeved on the cable 300 by the two ferrule bodies 111, so that the anti-falling device 100 can be used on the cable 300 with common specifications, and can be adjusted and detached. Through the design, when the cable 300 is threaded through the wire number mark, the anti-falling positioning sleeve disclosed by the invention can be suitable for the anti-falling positioning of wire number sleeves 200 of cables 300 with different specifications through the sleeve chuck body 111, and meanwhile, the wire number sleeves 200 are fixed through the two limiting groove bodies 120. The invention can provide firm positioning for the wire size sleeve 200 of the cable 300 and has the advantages of convenient operation, convenient processing and the like.

Alternatively, as shown in fig. 1-7, in this embodiment, the ferrule body 111 may be a band-like structure, with the ferrule body 111 being adjustably wound into a tubular structure. Accordingly, the ferrule body 111 can be fitted to the cable 300 with a lumen of a wound tubular structure. Among other things, in various possible embodiments consistent with the design concept of the present invention, when the ferrule body 111 is wound into a desired (e.g., determined by the inner diameter after winding) tubular configuration, the ferrule body 111 may be fixed by the connection structure provided by the ferrule body 111 or an additional connection member, so that it maintains the tubular configuration and has a function of being removable for reuse.

Further, as shown in fig. 5-7, each ferrule 110 may further include a snap 112 in this embodiment based on a design in which the ferrule body 111 is in a band-like configuration and the ferrule body 111 is adjustably wrapped into a tubular configuration. Specifically, the snap 112 is provided at one end of the ferrule body 111 of one ferrule 110, and the snap 112 is detachably connected to the rest of the ferrule body 111 to hold the ferrule body 111 in a wound state. Through the design, the clamping sleeve body 111 is fixed after being wound through the buckle 112, so that the operation of disassembling the clamping sleeve 110 during trimming is avoided, and the risk of falling off of the wire size sleeve 200 is effectively reduced. In other embodiments, the ferrule 110 may also be fixed and held to the ferrule body 111 after being wound by other connection structures such as a hook and loop fastener and an adhesive tape, and the connection structure provided on the ferrule body 111 may be adopted, or an additional connection member may be adopted, which is not limited to this embodiment.

Further, as shown in fig. 5 to 7, based on the design that the ferrule 110 is detachably connected to the rest of the ferrule body 111 by the snap 112, in the present embodiment, the ferrule body 111 may be provided with a plurality of snap holes 113, and on this basis, the snap 112 can selectively snap into one of the snap holes 113, so that the ferrule body 111 maintains the winding state. With the above design, for different types of cables 300, such as different outer diameters, ferrule 110 can match cables 300 with different outer diameters by selecting appropriate card holes 113 and snapping catches 112 into the selected card holes 113. In other embodiments, when the ferrule 110 adopts other connection structures to fix the ferrule body 111 after winding, the above winding and fixing requirements for cables 300 with different outer diameters can also be met.

Further, as shown in fig. 6 and 7, based on the design of the snap fit of the clip 112 in the clip hole 113, in the present embodiment, the clip 112 may include a connecting portion 1121 and a clip portion 1122. Specifically, the connection portion 1121 has a substantially columnar structure, and one end of the connection portion 1121 is connected to the ferrule body 111. The engaging portion 1122 is provided at the other end of the connecting portion 1121. In addition, the outer diameter D2 of the connection portion 1121 is smaller than or equal to the hole diameter D1 of the locking hole 113, and the outer diameter D3 of the locking portion 1122 is larger than the hole diameter D1 of the locking hole 113. With the above-described configuration, after the clip portion 1122 passes through the clip hole 113, the clip 112 can be locked to the clip portion 1122 by the clip hole 113 by utilizing the relationship between the hole diameter D1 of the clip hole 113 and the outer diameter D3 of the clip portion 1122, thereby realizing the clip fitting of the clip 112 to the clip hole 113.

Optionally, in this embodiment, the limiting groove body 120 may be provided with a boss, and correspondingly, the ferrule body 111 may be provided with a groove. On this basis, the boss can be inserted into the groove, so that the limiting groove body 120 can be detachably connected to the ferrule body 111. It should be noted that, the limiting groove body 120 may be connected with one groove of the ferrule body 111 only through one boss, and on this basis, the winding of the ferrule body 111 and the bending of the limiting groove body 120 for fixing the line number mark may be independent actions respectively, and the two actions are not affected each other. Through the design, when the ferrule body 111 adopts different winding fixing positions to adapt to cables 300 of various different types, the limiting groove body 120 can not be influenced by the cable, and the wire number sleeve 200 with the same specification can be fixed. In other embodiments, the limiting groove body 120 may also be integrated with the ferrule body 111, or connected in a multi-point manner, so that the limiting groove body 120 can be bent along with the winding of the ferrule body 111, which is not limited to this embodiment.

Alternatively, as shown in fig. 1, in this embodiment, the length of the retaining channel 120 may be less than the circumference of the wire-size sleeve 200. Accordingly, when the limiting groove body 120 is bent to be substantially arc-shaped to fix the wire size sleeve 200, the limiting groove body 120 is not bent to be a closed ring structure, so that the limiting groove body 120 can be applied to various types (e.g., outer diameters) of wire size sleeves 200. Specifically, for wire-size sleeves 200 with different outer diameters, the proportional relationship between the length of the limiting groove 120 and the circumference of the wire-size sleeve 200 may be 1:2, 1:3, 2:3, 3:4, etc., all of which are not limited in this embodiment.

Optionally, in this embodiment, the material of the ferrule body 111 may include silicone. Through the design, the insulation characteristic and the elastic characteristic of the silica gel are utilized, so that the card sleeve 110 can prevent the insulation skin of the cable 300 from being scratched, the elastic characteristic can be facilitated, and the card sleeve 110 can be adjusted freely and is suitable for different use positions of various cables 300.

Optionally, in this embodiment, ferrule 110 may be the same color as cable 300 (e.g., the color of the insulation sheath of cable 300) to which it is applied. Specifically, taking the design that the ferrule 110 includes the ferrule body 111 and the snap 112 is provided on the ferrule body 111 as an example, the color of the ferrule body 111 that can be snapped 112 may be the same as the color of the cable 300.

Alternatively, in this embodiment, the limiting groove body 120 may be made of a transparent material, for example, a high-transparency plastic plate may be used to make the limiting groove body 120. Through the design, when the cable 300 is wired, the wire number sleeve 200 can be conveniently checked by an operator through the limiting groove body 120 made of the transparent material, the wire number sleeve 200 can be conveniently fixed on the same horizontal plane or vertical plane by the operator, and the uniformity and the attractiveness of the wiring state are further improved.

It should be noted herein that the dropout shown in the drawings and described in this specification are but a few examples of the many types of dropout prevention means that can employ the principles of the present invention. It should be clearly understood that the principles of the present invention are in no way limited to any of the details or any of the components of the dropout prevention means shown in the drawings or described in this specification.

Based on the above detailed description of an exemplary embodiment of the drop-off prevention device proposed by the present invention, a method for using the drop-off prevention device will be described below. The two use cases of the anti-falling device provided by the invention are as follows:

before the cable is threaded through the wire number sleeve, the wire number sleeve is sleeved into a clamping groove of a limiting groove body of the anti-falling device, then the clamping sleeves at the head end and the tail end of the wire number sleeve are assembled with the limiting groove body, finally, the whole anti-falling device is sleeved into the cable, the two clamping sleeve bodies are fixed at the proper positions of the cable by using the buckles at the head end and the tail end, namely, the anti-falling device is positioned through the buckles to realize the threading anti-falling function of the wire number sleeve.

When a plurality of cables are respectively positioned through a plurality of anti-falling devices, the clamping sleeves at the upper ends or the lower ends of the anti-falling devices can be adjusted to the same horizontal line after the cables are wired, and the wire number sleeves on different cables are ensured to be positioned on the same horizontal plane or vertical plane.

In addition, in the installation operation and the use process of the anti-drop device provided by the invention, if the length of the ferrule body is too long, the length of the ferrule body can be properly cut before the wiring of the cables, for example, a part of the end part of the ferrule body, which is not provided with the buckle, is cut.

In summary, the anti-falling device provided by the invention comprises two cutting sleeves and two limiting groove bodies. Each ferrule includes a ferrule body adjustably wrapped about the cable. The two limiting groove bodies are respectively arranged on the opposite sides of the two clamping sleeve bodies, and the opening directions of the clamping grooves of the two limiting groove bodies are opposite. The anti-drop device is respectively clamped and fixed at the pipe orifices at the two ends of the wire size sleeve through the two clamping grooves, and the cable is sleeved with the two clamping sleeve bodies. Through the design, when the cable is inserted with the wire number mark, the anti-falling positioning sleeve can be suitable for the anti-falling positioning of wire number sleeves of cables with different specifications through the sleeve chuck body, and the wire number sleeves are fixed through the two limiting groove bodies. The invention can provide firm positioning for the wire number sleeve of the cable, and has the advantages of convenient operation, convenient processing and the like.

Exemplary embodiments of the dropout prevention means proposed by the present invention are described and/or illustrated in detail above. Embodiments of the invention are not limited to the specific embodiments described herein, but rather, components and/or steps of each embodiment may be utilized independently and separately from other components and/or steps described herein. Each component and/or step of one embodiment can also be used in combination with other components and/or steps of other embodiments. When introducing elements/components/etc. described and/or illustrated herein, the articles "a," "an," and "the" are intended to mean that there are one or more of the elements/components/etc. The terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

While the proposed dropout prevention means has been described in terms of various specific embodiments, those skilled in the art will recognize that the invention can be practiced with modification within the spirit and scope of the claims.

Claims

1. An anti-drop device for positioning a wire size sleeve on a cable, the anti-drop device comprising:

two cutting ferrules, interval arrangement, every the cutting ferrule contains:

the ferrule body is used for being wound on the cable in an adjustable mode;

the two limiting groove bodies are respectively arranged on the opposite sides of the two ferrule bodies, and the opening directions of the clamping grooves of the two limiting groove bodies are opposite;

the anti-falling device is used for being clamped and fixed at pipe orifices at two ends of the wire size sleeve respectively through the two clamping grooves, and the cable is sleeved with the two clamping sleeve bodies.

2. The dropout prevention means of claim 1, wherein said ferrule body is of a band-like structure and is adjustably wound into a tubular structure, said ferrule body being sleeved on said cable with a tubular structured lumen.

3. The dropout prevention means of claim 2 wherein each of said ferrules further comprises:

and the buckle is arranged at one end part of the ferrule body and is used for being detachably connected with the rest part of the ferrule body so as to ensure that the ferrule body keeps a winding state.

4. The dropout prevention means of claim 3 wherein said ferrule body is provided with a plurality of latching holes, said latch being adapted to selectively latch with one of said latching holes to maintain said ferrule body in a coiled state.

5. The dropout prevention means of claim 4, wherein said catch comprises:

the connecting part is of a columnar structure, and one end of the connecting part is connected with the ferrule body;

the clamping part is arranged at the other end of the connecting part;

the outer diameter of the connecting portion is smaller than or equal to the aperture of the clamping hole, and the outer diameter of the clamping portion is larger than the aperture of the clamping hole.

6. The anti-drop device as claimed in claim 1, wherein the limiting groove body is provided with a boss, the ferrule body is provided with a groove, and the boss is inserted into the groove so that the limiting groove body is detachably connected to the ferrule body.

7. The dropout prevention means of claim 1, wherein the length of said limit groove body is smaller than the perimeter of said wire size sleeve.

8. The anti-drop device of claim 1, wherein the ferrule is made of silicone.

9. The dropout prevention means of claim 1 wherein said ferrule is the same color as said cable.

10. The anti-falling device according to claim 1, wherein the limiting groove body is made of transparent material.