CN217823292U

CN217823292U - Cable shielding grounding device

Info

Publication number: CN217823292U
Application number: CN202221270688.1U
Authority: CN
Inventors: 陈慎坤; 张帅; 方时军; 冯浩磊; 乔毅
Original assignee: Zhengzhou Huacheng Electrification Engineering Co ltd
Current assignee: Zhengzhou Huacheng Electrification Engineering Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-11-15
Anticipated expiration: 2032-05-25

Abstract

The utility model relates to the technical field of shielded wire grounding, in particular to a cable shielding grounding device, which improves the convenience; including connecting terminal, the external screw thread pipe, the nut, the transmission line, the sheath, the insulating rubber cover, outer screwed pipe, annular thread groove, change the handle, a housing, fixture, the connecting terminal bottom is provided with annular thread groove, outer screwed pipe sets up in the connecting terminal bottom, be provided with the notch around the external screw thread socle bottom respectively, transmission line outside parcel has the sheath, the outside parcel of sheath has the insulating rubber cover, the transmission line inserts inside the external screw thread pipe, nut and external screw thread pipe threaded connection, outer screwed pipe and annular thread groove threaded connection, outer screwed pipe outside wall symmetry is provided with two sets of commentaries on classics handle, outer screwed pipe bottom is provided with the casing, both ends are provided with the opening about the casing, there is the cavity casing inside, cavity and the inside intercommunication of outer screwed pipe, fixture installs in the cavity, be used for the fixed of insulating rubber cover.

Description

Cable shielding grounding device

Technical Field

The utility model relates to a technical field of shielded wire ground connection especially relates to a cable shielding earthing device.

Background

The shielding wire is a transmission wire formed by wrapping a signal wire by using a metal mesh braid, the grounding of electrical equipment can be realized through the shielding wire, the influence of an external electromagnetic field on peripheral equipment is avoided, for the grounding of the shielding wire of the electrical equipment, a sheath outside the shielding wire is usually stripped through a wire stripper, the transmission wire positioned in a sheath of the shielding wire is exposed, the transmission wire is connected to a terminal, the shielding wire is connected with an electrical equipment shell through the terminal, and the other end of the shielding wire is connected with the grounded part through the terminal, so that the grounding protection of the electrical equipment is realized.

In prior art, because when shielded wire and terminal are connected, need peel off the outside sheath of shielded wire, expose the transmission line in the shielded wire, in order to promote the security, avoid the potential safety hazard, after accomplishing the connection of shielded wire and terminal, still need use insulating adhesive tape winding at the junction of shielded wire and terminal to provide the protection, but protect through insulating adhesive tape winding, insulating adhesive tape comes unstuck easily and produces not hard up, can not be fine provides the protection for the junction of shielded wire and terminal.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improve cable shield earthing device of convenience.

The utility model discloses a cable shielding earthing device, including connecting terminal, the external screw pipe, the nut, the transmission line, the sheath, the insulating rubber cover, outer screwed pipe, annular thread groove, the twist grip, a housing, fixture, the connecting terminal bottom is provided with annular thread groove, the external screw pipe sets up in the connecting terminal bottom, be provided with the notch around the external screw pipe bottom respectively, the transmission line outside parcel has the sheath, the sheath outside parcel has the insulating rubber cover, the transmission line inserts inside the external screw pipe, the nut is connected with external screw pipe screw thread, outer screwed pipe and annular thread groove screw thread connection, the external screw pipe outside lateral wall symmetry is provided with two sets of twist grips, the external screw pipe bottom is provided with the casing, both ends are provided with the opening about the casing, there is the cavity inside the casing, the cavity communicates with the external screw pipe inside, fixture installs in the cavity, be used for the fixed of insulating rubber cover; when the transmission line fixing device is used, the transmission line, the sheath and the insulating rubber sleeve respectively penetrate through the shell through the two groups of openings and penetrate through the inner side of the external threaded pipe, the transmission line is inserted into the external threaded pipe, the nut is rotated to downwards move under the matching of the external threaded pipe, the nut is moved to the two groups of notches to fix the external threaded pipe, the external threaded pipe is inserted into the annular thread groove to rotate the two groups of rotating handles, the external threaded pipe is screwed and inserted into the annular thread groove to be fixed, a worker operates the clamping mechanism to fix the insulating rubber sleeve, the exposed part of the transmission line is not wound by using an adhesive tape, and convenience is improved.

Preferably, the clamping mechanism comprises two-way lead screws, a first slide block, a second slide block, a first arc-shaped clamp plate, a second arc-shaped clamp plate and a hand wheel, the two groups of two-way lead screws are rotatably installed in the cavity, the left ends of the two groups of two-way lead screws extend to the left end of the shell, the left parts of the two groups of two-way lead screws are respectively provided with the first slide block in a threaded manner, the right parts of the two groups of two-way lead screws are respectively provided with the second slide block in a threaded manner, the first arc-shaped clamp plate is arranged between the two groups of first slide blocks, the second arc-shaped clamp plate is arranged between the two groups of second slide blocks, and the left ends of the two groups of two-way lead screws are respectively provided with the hand wheel; the staff rotates the hand wheel respectively to make two sets of two-way lead screw drive two sets of sliders and two sets of sliders respectively and carry out the similar removal of mirror image, thereby make an arc splint and No. two arc splint cooperations carry out the lateral wall to the insulating rubber cover fixed, provide stability.

Preferably, the device also comprises a fixed plate, telescopic rods, springs and a jacking plate, wherein the fixed plate is arranged at the left end of the shell, a group of telescopic rods and a group of springs are respectively arranged at the front end and the rear end of the fixed plate, the outer ends of the two groups of telescopic rods and the outer ends of the two groups of springs are respectively connected with the outer ends of the two groups of jacking plates, and the outer ends of the two groups of jacking plates respectively jack the outer side walls of the two groups of bidirectional screws; when needs rotated two sets of two-way lead screw, operating personnel made two sets of tight boards in top keep away from corresponding two-way lead screw respectively, and two sets of tight boards in top loosen the back that finishes in the rotation of two-way lead screw, and two sets of tight boards in top are tight corresponding two-way lead screw's lateral wall in top again respectively under the effect of corresponding spring force, prevent the rotation of two-way lead screw, improve stability.

Preferably, the device also comprises an observation window, wherein the front end of the shell is provided with an observation hole, and the observation hole is provided with the observation window; operating personnel observes the fixed condition of an arc splint and No. two arc splint to the insulating rubber cover through the observation window, improves the convenience.

Preferably, the anti-skid device further comprises anti-skid pads, and the anti-skid pads are arranged at the ends, close to the first arc-shaped clamping plate and the second arc-shaped clamping plate, of the first arc-shaped clamping plate and the second arc-shaped clamping plate respectively; the first arc-shaped clamping plate and the second arc-shaped clamping plate respectively tightly support and fix the outer side wall of the insulating rubber sleeve through corresponding anti-slip pads.

Preferably, the external thread pipe comprises reinforcing plates, the left end and the right end of the external thread pipe are respectively provided with the reinforcing plates, and the bottom ends of the connecting terminals are respectively connected with the top ends of the two groups of reinforcing plates; connecting terminal and external screw thread pipe strengthen connecting through two sets of reinforcing plates, improve the fastness to connection.

Preferably, the outer coil and the housing are connected by welding.

Compared with the prior art, the beneficial effects of the utility model are that: during the use, with the transmission line, sheath and insulating rubber cover pass the casing through two sets of openings respectively and pass from the inboard of external screw pipe, insert the transmission line inside the external screw thread pipe, rotate the nut, make the nut move down under the cooperation of external screw thread pipe, thereby make the nut remove two sets of notch departments and fix external screw thread pipe, insert external screw thread pipe and rotate two sets of commentaries on classics handles in the annular thread groove, thereby make external screw thread pipe spiral shell insert and fix in the annular thread groove, staff's operation fixture fixes the insulating rubber cover, thereby do not twine the exposed department of transmission line using the sticky tape, and the convenience is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a partially enlarged view of the portion A in FIG. 1;

FIG. 3 is a schematic view of a part B of FIG. 1;

FIG. 4 isbase:Sub>A schematic view of the cross-sectional A-A structure of FIG. 3;

fig. 5 is a front view of the present invention;

FIG. 6 is a schematic axial view of a male threaded tube and nut;

in the drawings, the reference numbers: 1. a connection terminal; 2. an externally threaded tube; 3. a nut; 4. a transmission line; 5. protecting the skin; 6. an insulating rubber sleeve; 7. an outer coil; 8. an annular thread groove; 9. turning a handle; 10. a housing; 11. a bidirectional screw; 12. a first sliding block; 13. a second sliding block; 14. a first arc-shaped splint; 15. a second arc-shaped splint; 16. a fixing plate; 17. a telescopic rod; 18. a spring; 19. a jacking plate; 20. an observation window; 21. a non-slip mat; 22. a reinforcing plate; 23. a handwheel.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

The utility model discloses a cable shielding grounding device, which comprises a connecting terminal 1, an external thread pipe 2, a nut 3, a transmission line 4, a sheath 5, an insulating rubber sleeve 6, an external thread pipe 7, an annular thread groove 8, a rotating handle 9, a shell 10, a bidirectional screw rod 11, a first slider 12, a second slider 13, a first arc splint 14, a second arc splint 15, a fixing plate 16, a telescopic rod 17, a spring 18, a tightening plate 19, an observation window 20, a non-slip mat 21, a reinforcing plate 22 and a hand wheel 23, wherein the bottom end of the connecting terminal 1 is provided with the annular thread groove 8, the external thread pipe 2 is arranged at the bottom end of the connecting terminal 1, the front and the back of the bottom of the external thread pipe 2 are respectively provided with a notch, the outer side of the transmission line 4 is wrapped with the sheath 5, the outer part of the sheath 5 is wrapped with the insulating rubber sleeve 6, the transmission line 4 is inserted into the external thread pipe 2, the nut 3 is in threaded connection with the external thread pipe 2, the external thread pipe 7 is in threaded connection with the annular thread groove 8, the external thread pipe 7 is symmetrically provided with two sets of the rotating handle 9, the bottom end of an outer screw tube 7 is provided with a shell 10, the upper end and the lower end of the shell 10 are provided with openings, a cavity is arranged in the shell 10 and is communicated with the interior of the outer screw tube 7, two groups of bidirectional screw rods 11 are rotatably arranged in the cavity, the left ends of the two groups of bidirectional screw rods 11 extend to the left end of the shell 10, the left parts of the two groups of bidirectional screw rods 11 are respectively provided with a first slide block 12 in a threaded manner, the right parts of the two groups of bidirectional screw rods 11 are respectively provided with a second slide block 13 in a threaded manner, a first arc-shaped clamp plate 14 is arranged between the two groups of first slide blocks 12, a second arc-shaped clamp plate 15 is arranged between the two groups of second slide blocks 13, the left ends of the two groups of bidirectional screw rods 11 are respectively provided with a hand wheel 23, a fixing plate 16 is arranged at the left end of the shell 10, the front end and the rear end of the fixing plate 16 are respectively provided with a group of telescopic rods 17 and a group of springs 18, the outer ends of the two groups of telescopic rods 17 and the outer ends of the springs 18 are respectively connected with the outer ends of tightening plates 19, the outer ends of the two sets of tightening plates 19 respectively tighten the outer side walls of the two sets of bidirectional screws 11, the front end of the shell 10 is provided with an observation hole, an observation window 20 is arranged on the observation hole, one end of the first arc-shaped clamping plate 14, one end of the second arc-shaped clamping plate 15, which are close to each other, are respectively provided with an anti-slip mat 21, the left end and the right end of the external threaded pipe 2 are respectively provided with a reinforcing plate 22, and the bottom end of the connecting terminal 1 is respectively connected with the top ends of the two sets of reinforcing plates 22.

As shown in fig. 1 to 6, in operation, when in use, the cable shielding grounding device of the present invention inserts the transmission line 4, the sheath 5 and the insulating rubber sleeve 6 into the external threaded pipe 2 through the two sets of openings respectively through the housing 10 and through the inner side of the external threaded pipe 7, rotates the nut 3 to move the nut 3 downward in cooperation with the external threaded pipe 2, thereby moving the nut 3 to the two sets of notches to fix the external threaded pipe 2, inserts the external threaded pipe 7 into the annular threaded groove 8, rotates the two sets of rotating handles 9, thereby threadedly inserts the external threaded pipe 7 into the annular threaded groove 8 to fix, when it is required to rotate the two sets of bidirectional threaded rods 11, the operator keeps the two sets of tightening plates 19 away from the corresponding bidirectional threaded rods 11 respectively, the staff rotates hand wheel 23 respectively, thereby make two sets of two-way lead screw 11 drive two sets of sliders 12 and two sets of sliders 13 respectively and carry out the similar removal of mirror image, thereby make arc splint 14 and No. two arc splint 15 carry out the lateral wall respectively under the cooperation of corresponding slipmat 21 to insulating rubber cover 6 and fix, two-way lead screw 11 rotates the back that finishes, loosen two sets of tight boards 19 in top, two sets of tight boards 19 in top tightly corresponding two-way lead screw 11's lateral wall under the effect of corresponding spring 18 elasticity respectively again, prevent the rotation of two-way lead screw 11, operating personnel observes the fixed condition of arc splint 14 and No. two arc splint 15 to insulating rubber cover 6 through observation window 20.

The cable shielding grounding device of the utility model has the advantages that the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the installation mode, the connection mode or the arrangement mode can be implemented as long as the beneficial effects can be achieved; the utility model discloses a cable shield earthing device's connecting terminal 1, external screw thread pipe 2, nut 3, transmission line 4, protecting skin 5, insulating rubber sleeve 6, external screw thread pipe 7, change 9, casing 10, two-way lead screw 11, slider 12, no. two sliders 13, an arc splint 14, no. two arc splint 15, fixed plate 16, telescopic link 17, spring 18, puller plate 19, observation window 20, slipmat 21, reinforcing plate 22 and hand wheel 23 are purchase on the market, this industry technician only need according to its subsidiary service instruction install and operate can, and need not the technical staff in this field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, and the terms "disposed," "mounted," "connected," and "secured" in the description of the invention are to be construed broadly and encompass, unless otherwise specifically stated or limited to, for example, fixed connections, detachable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a cable shield earthing device, a serial communication port, including connecting terminal (1), external screw thread pipe (2), nut (3), transmission line (4), sheath (5), insulating rubber cover (6), external screw thread pipe (7), annular thread groove (8), turning handle (9), casing (10), fixture, connecting terminal (1) bottom is provided with annular thread groove (8), external screw thread pipe (2) set up in connecting terminal (1) bottom, be provided with the notch around external screw thread pipe (2) bottom respectively, transmission line (4) outside parcel has sheath (5), sheath (5) outside parcel has insulating rubber cover (6), transmission line (4) insert inside external screw thread pipe (2), nut (3) and external screw thread pipe (2) threaded connection, external screw thread pipe (7) and annular thread groove (8) threaded connection, external screw thread pipe (7) symmetry is provided with two sets of turning handle (9), external screw thread pipe (7) bottom is provided with casing (10), both ends are provided with the opening about casing (10), casing (10) are inside to have the cavity, install in external screw thread groove (7), the outside wall is used for the fixed cavity to the insulating rubber cover (6), fixture intercommunication.

2. The cable shielding grounding device according to claim 1, wherein the clamping mechanism comprises two-way lead screws (11), a first sliding block (12), a second sliding block (13), a first arc-shaped clamping plate (14), a second arc-shaped clamping plate (15) and a hand wheel (23), two groups of two-way lead screws (11) are rotatably mounted in the cavity, the left ends of the two groups of two-way lead screws (11) extend to the left end of the housing (10), the left parts of the two groups of two-way lead screws (11) are respectively provided with the first sliding block (12) in a threaded manner, the right parts of the two groups of two-way lead screws (11) are respectively provided with the second sliding block (13) in a threaded manner, the first arc-shaped clamping plate (14) is arranged between the two groups of first sliding blocks (12), the second arc-shaped clamping plate (15) is arranged between the two groups of second sliding blocks (13), and the left ends of the two groups of two-way lead screws (11) are respectively provided with the hand wheel (23).

3. The cable shielding grounding device according to claim 2, further comprising a fixing plate (16), an expansion link (17), a spring (18) and a tightening plate (19), wherein the fixing plate (16) is installed at the left end of the housing (10), a set of expansion link (17) and a set of spring (18) are respectively disposed at the front end and the rear end of the fixing plate (16), the outer ends of the two sets of expansion links (17) and the outer ends of the two sets of springs (18) are respectively connected to the outer ends of the two sets of tightening plates (19), and the outer ends of the two sets of tightening plates (19) respectively tighten the outer side walls of the two sets of bidirectional screws (11).

4. A cable shield grounding device according to claim 1, further comprising an observation window (20), wherein the front end of the housing (10) is provided with an observation hole, and the observation hole is provided with the observation window (20).

5. A cable shielding grounding device according to claim 2, further comprising anti-slip pads (21), wherein the ends of the first arc-shaped clamping plate (14) and the second arc-shaped clamping plate (15) close to each other are respectively provided with an anti-slip pad (21).

6. The cable shielding grounding device according to claim 1, further comprising reinforcing plates (22), wherein the reinforcing plates (22) are respectively disposed at the left and right ends of the external threaded pipe (2), and the bottom ends of the connecting terminals (1) are respectively connected to the top ends of the two sets of reinforcing plates (22).

7. A cable shield earthing device according to claim 1, characterized in that the outer threaded tube (7) and the housing (10) are connected by welding.