CN214412238U - Cable protective sleeve - Google Patents

Abstract

The utility model provides a cable protection sleeve relates to cable protection device's technical field. The cable protection sleeve comprises a main body, wherein at least one end of the main body is provided with a first joint, the first joint comprises a corrugated pipe, and the rigidity of the corrugated pipe is greater than that of a cable to be protected by the cable protection sleeve. In the cable protection sleeve, the corrugated pipe has high rigidity, so the corrugated pipe is not easy to damage, and when the first connector is connected with the wire outlet of the cable groove box, the corrugated pipe can protect a cable outside the wire outlet of the cable groove box and effectively avoid the cable from being damaged; when the first connector is connected with the wire inlet of the field device, the corrugated pipe can protect the cable outside the wire inlet of the field device and effectively avoid the damage of the cable; especially, when the height difference exists between the wire inlet of the field device and the wire outlet of the cable groove box, the corrugated pipe can effectively buffer the bending angle of the cable in the corrugated pipe, so that the bending of the approximate right angle is changed into the bending of an arc, and the damage of the cable protective sleeve and the cable in the cable protective sleeve is greatly avoided.

Description

Cable protective sleeve

Technical Field

The utility model relates to a cable protection device's technical field particularly, relates to a cable protective case.

Background

In order to protect the cable, a cable protective sleeve can be arranged outside the cable, namely the cable is arranged in the cable protective sleeve in a penetrating mode, and therefore the cable protective sleeve protects the cable. In power plants, cable protective sleeves typically include a main body and splices disposed at opposite ends of the main body, with one splice of the cable protective sleeve being connected to an outlet of a cable trough box and the other splice being connected to an inlet of a field device.

However, in the cable protection sleeve in the prior art, when the cable and the cable protection sleeve are long and heavy due to the weight of the cable or the height difference between the wire inlet of the field device and the wire outlet of the cable trough box, especially the distance between the wire inlet of the field device and the wire outlet of the cable trough box is long, the end portions of the cable protection sleeve, that is, the wire inlet of the cable protection sleeve close to the field device and the wire outlet of the cable trough box, are easily damaged, and even the cable inside the cable is damaged to affect signal transmission.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable protective case to solve the cable protective case in use tip that exists among the prior art and take place the damage easily, can lead to the cable in it to take place damaged technical problem even.

The utility model provides a cable protective sleeve, comprising a main body, the at least one end of main part is provided with first joint, first joint includes the bellows, the rigidity of bellows is greater than the rigidity of the cable that cable protective sleeve needs the protection.

Further, the first joint further comprises a first nut and a second nut, the first nut is fixedly connected to the first end of the corrugated pipe, the second nut is fixedly connected to the second end of the corrugated pipe, the first nut is detachably connected with the main body, and the second nut is used for being connected with a wire inlet of the field device.

Furthermore, the first joint further comprises a detachable nut, the detachable nut comprises a first connecting section and a second connecting section along the axial direction of the detachable nut, the first connecting section is connected with the second nut in a matched mode, and the second connecting section can be connected with a wire inlet of the field device in a matched mode.

Further, the first joint further comprises at least one protective frame, and the protective frame comprises a first bracket and a second bracket which are oppositely arranged;

the first support comprises a rectangular fixing plate, and the fixing plate is provided with a bayonet which is clamped with the corrugated pipe; the first support further comprises a first plate, a second plate and a third plate which are sequentially and vertically arranged on the fixing plate along the circumferential direction of the fixing plate and face the same direction, a fastening piece is arranged between one end of the first plate, which is far away from the second plate, and one end of the third plate, which is far away from the second plate, and the corrugated pipe penetrates through a space defined by the first plate, the second plate, the third plate and the fastening piece;

the second support is symmetrical to the first support in structure, and the first plate of the first support is rotatably connected with the first plate of the second support, and the third plate of the first support is rotatably connected with the third plate of the second support around the same straight line.

Furthermore, a first connecting piece and a second connecting piece are oppositely arranged between the first support and the second support, and along the axial direction of the corrugated pipe, two ends of the first connecting piece are respectively pivoted with the first plate of the first support and the first plate of the second support, and two ends of the second connecting piece are respectively pivoted with the third plate of the first support and the third plate of the second support.

Furthermore, the protection frame further comprises a third support, the third support comprises a fourth plate and a fifth plate which are arranged oppositely and at an interval, and a sixth plate which is vertically connected between the fourth plate and the fifth plate, the sixth plate is positioned between the second plate of the first support and the second plate of the second support, the fourth plate is fixedly connected with the first connecting piece, and the fifth plate is fixedly connected with the second connecting piece.

Furthermore, two ends of the main body are respectively provided with a second joint, and the second joints axially comprise clamping sections and thread sections; the end part of the main body is provided with a clamping head, the clamping section is provided with a clamping groove, and the clamping head is clamped in the clamping groove; the threaded section mates with the first nut.

Further, the second connector also includes a back-up nut that mates with the threaded section.

Further, the main body is a plastic hose.

Furthermore, the corrugated pipe is made of stainless steel.

The utility model provides a cable protective case can produce following beneficial effect:

the utility model provides a cable protective sleeve, at least one end of main part is provided with the first joint, the first joint includes the bellows, and the rigidity of bellows is greater than the rigidity of the cable that the cable protective sleeve needs to protect, so, the bellows is difficult for taking place the damage, when the first joint is connected with the outlet of cable groove box, the bellows can protect the cable outside the outlet of cable groove box and effectively avoid its damage; when the first connector is connected with the wire inlet of the field device, the corrugated pipe can protect the cable outside the wire inlet of the field device and effectively avoid the damage of the cable. Namely, the first joint in the cable protective sleeve provided by the utility model can protect the cable outside the wire outlet of the cable groove box and outside the wire inlet of the field device, so that the cable is not easy to be damaged; especially, when the height difference exists between the wire inlet of the field device and the wire outlet of the cable groove box, the corrugated pipe can effectively buffer the bending angle of the cable in the corrugated pipe, so that the bending of the approximate right angle is changed into the bending of an arc, and the damage of the cable protective sleeve and the cable in the cable protective sleeve is greatly avoided.

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 schematic partial structure view of a cable protective sleeve according to an embodiment of the present invention;

fig. 2 is a partial structural front view of a cable protective sleeve according to an embodiment of the present invention;

FIG. 3 is a view from AA in FIG. 2;

fig. 4 is a partial structural plan view of a cable protective sleeve according to an embodiment of the present invention;

fig. 5 is a partially exploded schematic view of a second joint and a main body of the cable protective sleeve according to an embodiment of the present invention.

Description of reference numerals:

100-a body; 110-chuck;

200-a first joint; 210-a bellows; 220-a first nut; 230-a second nut; 240-removable nut; 250-a protective frame; 251-a first bracket; 252-a second support; 253-a third bracket; 254-a first connector; 255-a second connector; 256-fasteners; 261-fixing plate; 262-a first plate; 263-second plate; 264-a third plate; 271-a fourth plate; 272-a fifth plate; 273-sixth plate;

300-a second joint; 310-a clamping section; 311-card slot; 320-a thread section; 330-spare nuts.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 is a partial structural schematic view of a cable protective sleeve provided in this embodiment;

fig. 4 is a partial structural plan view of the cable protective sleeve according to the present embodiment.

The present embodiment provides a cable protective sleeve, as shown in fig. 1 and 4, which includes a main body 100, at least one end of the main body 100 is provided with a first joint 200, the first joint 200 includes a corrugated tube 210, and the rigidity of the corrugated tube 210 is greater than that of a cable to be protected by the cable protective sleeve.

In the cable protection sleeve provided by this embodiment, at least one end of the main body 100 is provided with the first connector 200, the first connector 200 includes the corrugated tube 210, and the rigidity of the corrugated tube 210 is greater than the rigidity of the cable to be protected by the cable protection sleeve, so the corrugated tube 210 is not easy to be damaged, and when the first connector 200 is connected with the outlet of the cable slot box, the corrugated tube 210 can protect the cable outside the outlet of the cable slot box and effectively avoid the damage; when the first connector 200 is connected to the field device inlet, the bellows 210 can protect the cable outside the field device inlet from being damaged. That is, the first joint 200 in the cable protection sleeve provided in this embodiment can protect cables outside the outlet of the cable box and outside the inlet of the field device, so that the cables are not easily damaged; especially, when the height difference exists between the wire inlet of the field device and the wire outlet of the cable trough box, the corrugated tube 210 can effectively buffer the bending angle of the cable therein, so that the approximately right-angled bending is changed into the arc-shaped bending, and the damage of the cable protective sleeve and the cable therein is greatly avoided.

In the present embodiment, the first joint 200 is provided at only one end of the main body 100, but in other embodiments of the present application, the first joint 200 may be provided at both ends of the main body 100; in addition, although the first connector 200 is described as being connected to an inlet of a field device in this embodiment, the first connector 200 may be connected to an outlet of a cable box in other embodiments of the present application.

Specifically, in this embodiment, as shown in fig. 1 and 4, the first connector 200 further includes a first nut 220 and a second nut 230, the first nut 220 is fixedly connected to a first end of the corrugated pipe 210, the second nut 230 is fixedly connected to a second end of the corrugated pipe 210, the first nut 220 is detachably connected to the main body 100, and the second nut 230 is used for connecting to a wire inlet of a field device. The first and second nuts 220 and 230 are fixedly provided at both ends of the bellows 210, and the first connector 200 can be conveniently coupled to the end of the body 100 or the inlet of the field device without separately machining a screw. The first nut 220 is detachably connected with the main body 100, so that the first connector 200 can be installed at the wire inlet of the field device first, and then the main body 100 is connected with the first connector 200, and the cable protection sleeve is very convenient to install. Of course, the first connector 200 may be attached to the inlet of the field device together with the main body 100, and in this case, the first connector 200 may be fixedly connected to the main body 100 without being detached.

More specifically, both first nut 220 and second nut 230 may be welded to bellows 210.

Specifically, in this embodiment, the first connector 200 further includes a detachable nut 240, and the detachable nut 240 includes a first connection section and a second connection section along its axial direction, the first connection section is connected to the second nut 230 in a matching manner, and the second connection section can be connected to the wire inlet of the field device in a matching manner. The first connecting section of the detachable nut 240 is detachably matched and connected with the second nut 230, so that when the cable protective sleeve is applied to different field device wire inlets, the detachable nut 240 matched with the field device wire inlet can be replaced according to the diameter of the field device wire inlet and the form of the internal and external threads, the application range of the cable protective sleeve is expanded, and the practicability of the cable protective sleeve is improved.

Specifically, the second connection section of the detachable nut 240 may have an internal thread structure, which is applied to the case that the wire inlet of the field device is provided with an external thread; the structure can also be provided with an external thread, and the structure is applied to the situation that the wire inlet of the field device is provided with the internal thread.

Specifically, in this embodiment, as shown in fig. 1, the first joint 200 further includes a protection frame 250, and the protection frame 250 includes a first bracket 251 and a second bracket 252 which are oppositely disposed; the first bracket 251 comprises a rectangular fixing plate 261, and the fixing plate 261 is provided with a bayonet which is clamped with the corrugated pipe 210; the first bracket 251 further comprises a first plate 262, a second plate 263 and a third plate 264 which are sequentially and vertically arranged on the fixing plate 261 along the circumferential direction of the fixing plate 261 and face the same direction, a fastening piece 256 is arranged between one end of the first plate 262 far away from the second plate 263 and one end of the third plate 264 far away from the second plate 263, and the corrugated pipe 210 penetrates through a space surrounded by the first plate 262, the second plate 263, the third plate 264 and the fastening piece 256; the second support 252 and the first support 251 are structurally symmetrical, and the first plate 262 of the first support 251 and the first plate of the second support 252, and the third plate 264 of the first support 251 and the third plate of the second support 252 are respectively connected in a rotating manner around the same straight line. That is, the rotational axis of the first plate 262 of the first bracket 251 and the first plate of the second bracket 252, and the rotational axis about which the third plate 264 of the first bracket 251 and the third plate of the second bracket 252 are identical.

In this arrangement, the protection frame 250 adopts a two-section structure to protect the corrugated tube 210 and the cables therein, so that the bending of the corrugated tube 210 and the cables therein is not affected, and the corrugated tube 210 can be effectively prevented from being damaged by external forces such as treading. More specifically, in the first bracket 251, the fixing plate 261 plays a role of fixing the first bracket 251, and plays a role of protecting the corrugated tube 210 together with the first plate 262, the second plate 263, and the third plate 264; while the fastener 256 fastens the first bracket 251 to the corrugated tube 210, it also serves to restrict the corrugated tube 210 from being separated from the first bracket 251.

It should be noted that, in this embodiment, the number of the protection frames 250 is one, however, in other embodiments of the present application, the number of the protection frames 250 may also be multiple, and multiple protection frames 250 may be sequentially and fixedly connected along the axial direction of the corrugated pipe 210.

Fig. 2 is a partial structural front view of the cable protective sleeve provided in this embodiment.

Specifically, in this embodiment, as shown in fig. 1 and fig. 2, a first connecting piece 254 and a second connecting piece 255 are oppositely disposed between the first bracket 251 and the second bracket 252, and along the axial direction of the corrugated tube 210, two ends of the first connecting piece 254 are respectively pivoted with the first plate 262 of the first bracket 251 and the first plate of the second bracket 252, and two ends of the second connecting piece 255 are respectively pivoted with the third plate 264 of the first bracket 251 and the third plate of the second bracket 252. In this arrangement, the protection frame 250 adopts a three-stage structure to protect the corrugated tube 210 and the cables therein, so that the corrugated tube 210 and the cables therein can be bent more easily while protecting the corrugated tube 210 and the cables therein.

Fig. 3 is an AA-side view of fig. 2.

Specifically, in this embodiment, as shown in fig. 1 and 3, the protection frame 250 further includes a third bracket 253, the third bracket 253 includes a fourth plate 271 and a fifth plate 272 that are oppositely and separately disposed and a sixth plate 273 that is vertically connected therebetween, the sixth plate 273 is located between the second plate 263 of the first bracket 251 and the second plate of the second bracket 252, the fourth plate 271 is fixedly connected to the first connector 254, and the fifth plate 272 is fixedly connected to the second connector 255. With this arrangement, the sixth plate 273 of the third bracket 253 protects one side of the corrugated tube 210, and the corrugated tube 210 can be bent away from the sixth plate 273; and bellows 210 can be made to bend downward by turning the tightness of second nut 230 relative to removable nut 240, or turning the tightness of removable nut 240 relative to the field device inlet.

Fig. 5 is a partially exploded view of the second joint and the main body of the cable protective sleeve according to this embodiment.

Specifically, in this embodiment, as shown in fig. 5 in combination with fig. 2 and 4, the second joint 300 is further disposed at both ends of the main body 100, and the second joint 300 includes a clamping section 310 and a threaded section 320 along the axial direction thereof; the end of the main body 100 is provided with a clamping head 110, the clamping section 310 is provided with a clamping groove 311, and the clamping head 110 is clamped in the clamping groove 311; threaded section 320 mates with first nut 220. Adopt the joint mode between second joint 300 and the main part 100, easy dismounting, during the use, can install second joint 300 or second joint 300 and first joint 200's whole in the outlet of cable groove box or the inlet wire of field device earlier, then be connected main part 100 with second joint 300 convenient operation.

Specifically, in this embodiment, and as further shown in fig. 5, the second connector 300 further includes a back-up nut 330, the back-up nut 330 mating with the threaded segment 320.

More specifically, the width of the back-up nut 330 is less than the width of the threaded segment 320. Of the two second connectors 300 at the two ends of the main body 100, one second connector 300 can be connected with the first nut 220 of the first connector 200, and the other one can be used according to the form of the cable groove box outlet: when the cable groove box outlet is provided with internal threads, the thread section 320 can be screwed on the cable groove box outlet; when the cable slot outlet is a smooth hole, the spare nut 330 may be unscrewed from the threaded section 320, then the threaded section 320 extends into the inner side of the cable slot outlet from the outer side of the cable slot outlet, and the spare nut 330 is screwed to the threaded section 320 at the inner side of the cable slot outlet, so as to mount the second connector 300 on the cable slot outlet.

Preferably, in the present embodiment, the main body 100 is a plastic hose. The plastic hose is light in weight, so that the load of the cable protection sleeve at the wire outlet of the cable trough box or the wire inlet of the field device can be reduced, and the situation that the end part of the cable protection sleeve is damaged can be further avoided.

Preferably, in this embodiment, the material of the bellows 210 is stainless steel. The corrugated tube 210 made of stainless steel has good rigidity and good bending.

Finally, it is further noted that, herein, relational terms such as "first" and "second," and the like, may be 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The cable protection sleeve is characterized by comprising a main body (100), wherein at least one end of the main body (100) is provided with a first joint (200), the first joint (200) comprises a corrugated pipe (210), and the rigidity of the corrugated pipe (210) is greater than that of a cable to be protected by the cable protection sleeve.

2. The cable protection sleeve of claim 1, wherein the first connector (200) further comprises a first nut (220) and a second nut (230), the first nut (220) being fixedly connected to a first end of the corrugated tube (210), the second nut (230) being fixedly connected to a second end of the corrugated tube (210), the first nut (220) being detachably connected to the body (100), the second nut (230) being adapted to be connected to an inlet of a field device.

3. The cable protection sleeve according to claim 2, wherein the first connector (200) further comprises a detachable nut (240), and the detachable nut (240) comprises a first connection section and a second connection section along an axial direction thereof, the first connection section is in matching connection with the second nut (230), and the second connection section is capable of being in matching connection with an inlet of a field device.

4. Cable protective sleeve according to any one of claims 1 to 3, wherein the first splice (200) further comprises at least one protective frame (250), the protective frame (250) comprising a first bracket (251) and a second bracket (252) arranged opposite;

the first bracket (251) comprises a rectangular fixing plate (261), wherein the fixing plate (261) is provided with a bayonet, and the bayonet is clamped with the corrugated pipe (210); the first bracket (251) further comprises a first plate (262), a second plate (263) and a third plate (264) which are sequentially and vertically arranged on the fixed plate (261) along the circumferential direction of the fixed plate (261) and face towards the same direction, a fastening piece (256) is arranged between one end, away from the second plate (263), of the first plate (262) and one end, away from the second plate (263), of the third plate (264), and the corrugated pipe (210) penetrates through a space formed by the first plate (262), the second plate (263), the third plate (264) and the fastening piece (256);

the second support (252) and the first support (251) are structurally symmetrical, and the first plate (262) of the first support (251) and the first plate of the second support (252), and the third plate (264) of the first support (251) and the third plate of the second support (252) are respectively connected in a rotating mode around the same straight line.

5. The cable protective sleeve according to claim 4, wherein a first connecting piece (254) and a second connecting piece (255) are oppositely arranged between the first bracket (251) and the second bracket (252), and along the axial direction of the corrugated tube (210), two ends of the first connecting piece (254) are respectively pivoted with the first plate (262) of the first bracket (251) and the first plate of the second bracket (252), and two ends of the second connecting piece (255) are respectively pivoted with the third plate (264) of the first bracket (251) and the third plate of the second bracket (252).

6. The cable protective sleeve according to claim 5, wherein the protective frame (250) further comprises a third bracket (253), the third bracket (253) comprises a fourth plate (271) and a fifth plate (272) which are oppositely and spaced apart, and a sixth plate (273) vertically connected therebetween, the sixth plate (273) is located between the second plate (263) of the first bracket (251) and the second plate of the second bracket (252), the fourth plate (271) is fixedly connected with the first connector (254), and the fifth plate (272) is fixedly connected with the second connector (255).

7. The cable protection sleeve according to claim 2 or 3, wherein both ends of the main body (100) are further provided with a second joint (300), and the second joint (300) comprises a clamping section (310) and a threaded section (320) along an axial direction thereof; a clamping head (110) is arranged at the end part of the main body (100), the clamping section (310) is provided with a clamping groove (311), and the clamping head (110) is clamped in the clamping groove (311); the threaded section (320) mates with the first nut (220).

8. The cable protective sleeve of claim 7, wherein the second connector (300) further comprises a back-up nut (330), the back-up nut (330) mating with the threaded section (320).

9. Cable protective sleeve according to any one of claims 1 to 3, wherein the body (100) is a plastic hose.

10. Cable protective sleeve according to any one of claims 1 to 3, wherein the material of the corrugated tube (210) is stainless steel.

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