CN213278426U

CN213278426U - Grounding terminal

Info

Publication number: CN213278426U
Application number: CN202022752005.3U
Authority: CN
Inventors: 孟广全
Original assignee: Hebei Quanzhuang Wire Mesh Products Co ltd
Current assignee: Hebei Quanzhuang Wire Mesh Products Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-05-25
Anticipated expiration: 2030-11-25

Abstract

The utility model relates to the technical field of grounding systems, in particular to a grounding terminal, which comprises a terminal head and an extension rod, wherein the bottom end of the terminal head is connected with a fixed seat, the bottom end of the fixed seat is connected with the extension rod through a connecting shaft, the connecting shaft is provided with a fixed hole, the inside of the fixed hole is connected with a fixing device, the terminal head and the fixed seat are both provided with clamping screw holes, the inner threads of the clamping screw holes are connected with clamping bolts, the top ends of the clamping bolts are connected with end covers, the end covers are provided with wheel grooves, the inside of the wheel grooves is rotatably connected with a ratchet wheel, the top ends of the end covers are connected with a mounting plate through a supporting frame, the right end of the mounting plate is connected with a pawl through a non-return spring, the right end of the mounting plate is connected with a plurality of rotating plates, the bottom end of the pawl is, and the connection is firmer and the practicability is higher.

Description

Grounding terminal

Technical Field

The utility model relates to a ground connection system technical field specifically is a ground terminal.

Background

As is well known, a ground terminal is a terminal connected to a ground body, and is mainly used for a ground wire, and the ground terminal is widely used in the field of a ground system.

Through retrieval, the utility model patent with chinese patent publication No. CN202513296U discloses an anti-theft stray current drainage network grounding terminal, which is roughly described as: the anti-loosening spring gasket is selected for use by the grounding terminal, the anti-theft bolt is made of stainless steel materials, the anti-twisting side wing is arranged on the screwdriver head, heat release welding is adopted between the terminal head and the extension rod, the electric performance is good, and the anti-theft bolt is convenient to construct, simple in structure, convenient to install, good in anti-theft performance, less in maintenance and strong in overall performance.

However, the above prior art solutions still have the following drawbacks: it is not convenient for the electric wire to insert to its connection is comparatively loose, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a ground terminal, its electric wire of being convenient for inserts to it connects comparatively firmly, and the practicality is higher.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a grounding terminal comprises a terminal head and an extension rod, wherein the bottom end of the terminal head is connected with a fixed seat, the bottom end of the fixed seat is connected with the extension rod through a connecting shaft, the connecting shaft is provided with a fixing hole, the inside of the fixing hole is connected with a fixing device, the terminal head and the fixing seat are both provided with clamping screw holes, and the inner thread of the clamping screw hole is connected with a clamping bolt, the top end of the clamping bolt is connected with an end cover, the improved ratchet wheel is characterized in that a wheel groove is formed in the end cover, a ratchet wheel is rotatably connected to the inside of the wheel groove, the top end of the end cover is connected with a mounting plate through a support frame, a pawl is connected to the right end of the mounting plate through a non-return spring, a plurality of rotating plates are connected to the right end of the mounting plate, the bottom end of the pawl is rotatably connected with the rotating plates, a rack matched with the ratchet wheel is connected to the inside of the end cover, a plurality of sliding grooves are formed in the end cover.

Preferably, the anti-slip device comprises a plurality of sliding blocks, the sliding blocks are connected inside the sliding groove in a sliding mode, the top ends of the sliding blocks are connected with the sliding groove through compression springs, and a plurality of anti-slip grooves matched with the sliding blocks are formed in the terminal head.

Preferably, the top of slider is connected with the lantern ring, and lantern ring and end cover sliding fit have seted up the slide opening on the lantern ring, and the inside slidable mounting of slide opening has the slide bar, and the right-hand member of slide bar is connected with the pulling-on piece, and the pulling-on piece passes through the extension spring to be connected with the lantern ring to set up a plurality ofly on the end cover and the card hole that the slide bar matches.

Preferably, the fixing device comprises a fixing rod, the fixing rod is connected inside the fixing hole in a sliding mode, the front end of the fixing rod is connected with a pulling plate, and the rear end of the pulling plate is connected with the connecting shaft through a fixing spring.

Preferably, the front end of the pawl is rotatably connected with a locking plate, a locking groove is formed in the locking plate, a locking block is slidably connected inside the locking groove, and the front end and the rear end of the locking block are both connected with a baffle.

Preferably, a plurality of reinforcing plates are connected to the fixing seat.

Preferably, the extension rod is connected with a spiral piece.

Preferably, the bottom end of the extension rod is connected with an anchor point.

(III) advantageous effects

Compared with the prior art, the utility model provides a ground terminal possesses following beneficial effect:

1. this ground terminal through check spring's effect, can contradict the pawl on the ratchet, makes the ratchet keep clockwise rotation, through the cooperation of ratchet and rack, can insert the inside of end cover downwards with the ground wire, through the cooperation of chucking bolt and chucking screw, is convenient for link together end cover and terminal head to insert the inside of fixing base and connecting axle with the ground wire, its electric wire of being convenient for inserts.

2. This ground terminal through the cooperation of pawl and ratchet, can reduce the gyration of ratchet, through the cooperation of ratchet and rack, can fix the ground wire in the inside of end cover, through the effect of limited slip device, be convenient for reduce the rotation of chucking bolt, improve the stability that end cover and terminal head are connected, through fixing device, be convenient for fix the ground wire in the inside of connecting axle, its connection is comparatively firm, and the practicality is higher.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

FIG. 3 is a schematic view of a portion of the enlarged structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of the front view of the plane structure with partial section.

In the figure: 1. a terminal head; 2. an extension pole; 3. a fixed seat; 4. a connecting shaft; 5. an end cap; 6. a ratchet wheel; 7. a support frame; 8. mounting a plate; 9. a check spring; 10. a pawl; 11. a rack; 12. a slider; 13. a compression spring; 14. a collar; 15. a slide bar; 16. a pull tab; 17. a tension spring; 18. fixing the rod; 19. pulling a plate; 20. fixing the spring; 21. a locking plate; 22. a locking block; 23. a spiral sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, an earth terminal comprises a terminal head 1 and an extension rod 2, a fixing base 3 is connected to the bottom end of the terminal head 1, a plurality of reinforcing plates are connected to the fixing base 3 to improve the strength of the earth terminal, the bottom end of the fixing base 3 is connected to the extension rod 2 through a connecting shaft 4, a spiral sheet 23 is connected to the extension rod 2 to facilitate screwing the earth terminal into the ground, an anchor point is connected to the bottom end of the extension rod 2 to facilitate breaking the earth terminal, a fixing hole is formed in the connecting shaft 4, a fixing device is connected to the inside of the fixing hole and comprises a fixing rod 18, the fixing rod 18 is slidably connected to the inside of the fixing hole, a pulling plate 19 is connected to the front end of the fixing rod 18, the rear end of the pulling plate 19 is connected to the connecting shaft 4 through a fixing spring 20, the fixing rod 18 can be pulled out from the inside of the fixing hole by pulling the pulling plate 19 to, the pulling plate 19 is loosened, the fixing rod 18 can be driven to fix the ground wire in the fixing hole under the action of the fixing spring 20, the ground wire can be prevented from slipping out conveniently, clamping screw holes are formed in the terminal head 1 and the fixing seat 3, clamping bolts are connected to the inner threads of the clamping screw holes, and the top ends of the clamping bolts are connected with the end cover 5.

It should be further noted that the end cover 5 is provided with a wheel groove, the inside of the wheel groove is rotatably connected with a ratchet 6, the top end of the end cover 5 is connected with a mounting plate 8 through a support frame 7, the right end of the mounting plate 8 is connected with a pawl 10 through a check spring 9, the pawl 10 can be abutted against the ratchet 6 through the action of the check spring 9, so that the ratchet 6 keeps rotating clockwise, the ground wire can be inserted downwards into the end cover 5 through the matching of the ratchet 6 and a rack 11 and fixed to the ground wire, the front end of the pawl 10 is rotatably connected with a locking plate 21, the locking plate 21 is provided with a locking groove, the inside of the locking groove is slidably connected with a locking block 22, the front end and the rear end of the locking block 22 are both connected with a baffle, the locking block 22 can be moved to the left end of the mounting plate 8 through the rotation of the locking block 21 and the sliding of the locking block 22, the locking block is tensioned through, the ratchet wheel 6 loses the blocking of the pawl 10 and can rotate reversely to pull out the ground wire, the right end of the mounting plate 8 can be connected with a plurality of rotating plates, the bottom end of the pawl 10 is rotatably connected with the rotating plates, the inside of the end cover 5 is connected with a rack 11 matched with the ratchet wheel 6, the end cover 5 is provided with a plurality of sliding grooves, the inside of each sliding groove is connected with a slip stopping device, each slip stopping device comprises a plurality of sliding blocks 12, the sliding blocks 12 are slidably connected inside the sliding grooves, the top ends of the sliding blocks 12 are connected with the sliding grooves through compression springs 13, the terminal head 1 is provided with a plurality of slip stopping grooves matched with the sliding blocks 12, the sliding blocks 12 can be pushed into the slip stopping grooves through the action of the compression springs 13, the slip stopping grooves can block the sliding blocks 12, the rotation of the end cover 5 can be reduced, the clamping bolts are fixed inside clamping screw holes, the stability of the grounding terminal, lantern ring 14 and end cover 5 sliding fit, the lantern ring 14 is last to have seted up the slide opening, the inside slidable mounting of slide opening has slide bar 15, the right-hand member of slide bar 15 is connected with pulling-on piece 16, pulling-on piece 16 is connected with lantern ring 14 through extension spring 17, and set up a plurality of card holes that match with slide bar 15 on the end cover 5, through pulling-on piece 16, can pull out slide bar 15 from the inside in card hole, drive slider 12 through lantern ring 14 and slide, it can block the card hole with slide bar 15 card to loosen pulling-on piece 16 to reach the top, accomplish opening of limited slip device, block the card hole of below with slide bar 15, can accomplish the locking of limited slip.

In summary, the working principle and working process of the ground terminal are that, when in use, firstly, the pawl 10 is abutted against the ratchet wheel 6 through the action of the check spring 9, the ratchet wheel 6 keeps rotating clockwise, the ground wire is inserted downwards into the end cover 5 through the matching of the ratchet wheel 6 and the rack 11 and is fixed, then an operator pulls the pull tab 16, the slide block 12 is driven by the lantern ring 14 to slide, the slide rod 15 can be clamped into the clamping hole by loosening the pull tab 16 at the top end, the clamping bolt is screwed into the clamping screw hole through rotating the end cover 5, the pull plate 19 is pulled, the fixed rod 18 is pulled out from the inside of the fixed hole, the ground wire is inserted into the connecting shaft 4, the pull plate 19 is loosened, the fixed rod 18 is driven by the action of the fixed spring 20 to fix the ground wire in the inside of the fixed hole, the operator pulls the pull tab 16 to pull the slide rod 15 out from the inside of the, under the action of a compression spring 13, a sliding block 12 is pushed into the inside of a stopping chute, a pulling piece 16 is loosened, a sliding rod 15 is clamped into a clamping hole below under the action of a tension spring 17, a sleeve ring 14 and the sliding block 12 are fixed, then the grounding terminal is connected to the ground under the action of a spiral piece 23 and an anchor tip, when the ground wire needs to be dismounted, the sliding rod 15 can be pulled out of the clamping hole by pulling the pulling piece 16, the sliding block 12 is driven to slide by the sleeve ring 14, the pulling piece 16 is loosened at the top end to clamp the sliding rod 15 into the clamping hole, the anti-slip device is opened, a clamping bolt can be screwed out, a locking block 22 can be moved to the left end of a mounting plate 8 by the rotation of a locking plate 21 and the sliding of the locking block 22, the locking block is tensioned by the action of a non-return spring 9, the pawl 10 is fixed, the ratchet 6 loses the blocking of the pawl 10 and can be, the fixing rod 18 can be pulled out from the inside of the fixing hole, and the ground wire can be pulled out from the inside of the ground terminal without the clamping action of the fixing rod 18 and the ratchet 6.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A ground terminal comprises a terminal head (1) and an extension rod (2), and is characterized in that: the bottom end of the terminal head (1) is connected with a fixed seat (3), the bottom end of the fixed seat (3) is connected with an extension rod (2) through a connecting shaft (4), the connecting shaft (4) is provided with a fixed hole, the inside of the fixed hole is connected with a fixing device, the terminal head (1) and the fixed seat (3) are both provided with clamping screw holes, the inside threads of the clamping screw holes are connected with clamping bolts, the top ends of the clamping bolts are connected with an end cover (5), the end cover (5) is provided with wheel grooves, the inside of the wheel grooves is rotatably connected with a ratchet wheel (6), the top ends of the end covers (5) are connected with a mounting plate (8) through a supporting frame (7), the right end of the mounting plate (8) is connected with a pawl (10) through a spring (9), the right end of the mounting plate (8) is connected with a plurality of rotating plates, the bottom end of the pawl (10) is rotatably connected with, a plurality of sliding grooves are formed in the end cover (5), and anti-slip devices are connected inside the sliding grooves.

2. A ground terminal according to claim 1, wherein: the anti-slip device comprises a plurality of sliding blocks (12), the sliding blocks (12) are connected inside the sliding groove in a sliding mode, the top end of each sliding block (12) is connected with the sliding groove through a compression spring (13), and a plurality of anti-slip grooves matched with the sliding blocks (12) are formed in the terminal head (1).

3. A ground terminal according to claim 2, wherein: the top of slider (12) is connected with lantern ring (14), lantern ring (14) and end cover (5) sliding fit, has seted up the slide opening on the lantern ring (14), and the inside slidable mounting of slide opening has slide bar (15), and the right-hand member of slide bar (15) is connected with pulling-on piece (16), and pulling-on piece (16) are connected through extension spring (17) and lantern ring (14) to set up a plurality ofly on end cover (5) and slide bar (15) the card hole that matches.

4. A ground terminal according to claim 3, wherein: the fixing device comprises a fixing rod (18), the fixing rod (18) is connected inside the fixing hole in a sliding mode, the front end of the fixing rod (18) is connected with a pulling plate (19), and the rear end of the pulling plate (19) is connected with the connecting shaft (4) through a fixing spring (20).

5. A ground terminal according to claim 4, wherein: the front end of pawl (10) rotates and is connected with jam plate (21), has seted up the locked groove on jam plate (21), and the inside sliding connection in locked groove has locking piece (22), and the front end and the rear end of locking piece (22) all are connected with the baffle.

6. A ground terminal according to claim 5, wherein: the fixing seat (3) is connected with a plurality of reinforcing plates.

7. A ground terminal according to claim 6, wherein: the extension rod (2) is connected with a spiral sheet (23).

8. A ground terminal according to claim 7, wherein: the bottom end of the extension rod (2) is connected with an anchor point.