Special-shaped quick-connection insulation grounding wire clamp

Abstract

The utility model discloses a special-shaped quick-connection insulation grounding wire clamp, and relates to the technical field of electric power fittings. The grounding wire clamp comprises a grounding ring used for being connected with a grounding wire, a wire clamp seat is rotated on the surface of the grounding ring, and the wire clamp seat is used for fixing the grounding wire clamp on the surface of a cable; wherein an accommodating groove is formed in the wire clamp seat, a connecting block is fixed in the accommodating groove, a placing groove for accommodating a cable is formed in the connecting block, and a plurality of puncturing blades for puncturing an insulating layer of the cable are uniformly fixed on the inner wall of the connecting block; the clamping assembly is used for replacing a bolt, and the rotary positioning assembly is arranged in the wire clamp seat, so that the clamping assembly can be effectively prevented from loosening, and the use stability of the device is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power hardware, in particular to a special-shaped quick-connect insulated grounding wire clamp. Background Art

[0002] The grounding wire clamp is mainly composed of a reinforced shell, a piercing blade, a sealing gasket, waterproof silicone grease, a high-strength bolt, a torque nut and a cable terminal cap. The grounding wire is a safety device used to temporarily short-circuit and ground the power-off equipment. Its function is to prevent the sudden power supply to the equipment and the induced voltage generated by the adjacent high-voltage live equipment from causing harm to the human body when the high-voltage equipment is shut down for maintenance or other work.

[0003] After searching, a Chinese patent with patent publication number CN217485735U discloses an insulating grounding wire clamp, the insulating cover includes an upper box body and a lower box body, the upper box body can be covered and connected to the lower box body, the lower box body includes a lower box body matching the disk body, and the lower box body is provided with a cylindrical first wire cover coaxial with the wire slot at the positions corresponding to the wire slots at both ends of the disk body in the width direction; when using the grounding wire clamp of this patent, it needs to be turned over and the bolts need to be tightened to clamp and fix it on the surface of the cable, which is inconvenient for high-altitude installation operations. At the same time, the bolt connection is prone to loosening after long-term use, resulting in unstable fixation of the grounding wire clamp.

[0004] In view of the above problems, the utility model document proposes a special-shaped quick-connect insulated grounding wire clamp. Utility Model Content

[0005] The purpose of the utility model is to provide a special-shaped quick-connect insulated grounding wire clamp, which can use a clamping component to replace the bolt, and set a rotating positioning component in the wire clamp seat, which can effectively prevent the clamping component from loosening, ensure the stability of the device, and solve the existing technical problems.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] A special-shaped quick-connect insulated grounding wire clamp comprises a grounding ring for connecting a grounding wire, a wire clamp seat is rotatably arranged on the surface of the grounding ring, and the wire clamp seat is used to fix the grounding wire clamp on the surface of the cable;

[0008] The wire clamp seat is provided with a receiving groove, a connecting block is fixed in the receiving groove, a placement groove for receiving the cable is provided in the connecting block, and a plurality of piercing blades for piercing the insulating layer of the cable are evenly fixed on the inner wall of the connecting block;

[0009] A clamping assembly, which is arranged in the wire clamp seat and is used to stably fix the cable in the placement groove;

[0010] And a rotation positioning component used in conjunction with the clamping component, wherein the rotation positioning component automatically limits the clamping component.

[0011] Optionally, the clamping assembly includes a third groove opened in the wire clamp seat and connected to the accommodating groove, a screw rod rotates in the third groove, a threaded block slides in the third groove, the threaded block is threadedly connected to the surface of the screw rod, and a clamp is fixed to the side end of the threaded block.

[0012] Optionally, a plurality of clamping blocks for applying pressure to the cable are fixed to the bottom end of the clamping plate, a plurality of matching grooves are provided in the connecting block, and the plurality of clamping blocks are matched with the plurality of matching grooves respectively.

[0013] Optionally, the rotation positioning assembly includes a rotating block that rotates in the wire clamp seat, the screw rod is fixed to the side end of the rotating block, the wire clamp seat is provided with a first groove, the rotating block is provided with a second groove, a slide plate slides in the second groove, a return spring is fixed to the side end of the slide plate, the side end of the return spring is fixed in the second groove, a cross is fixed to the top of the slide plate, the cross moves upward and passes through the first groove, a rotating shaft is fixed to the side end of the cross, at least two first positioning blocks are fixed to the surface of the rotating shaft, a plurality of second positioning blocks are fixed to the inner wall of the first groove, a plurality of positioning gaps are formed between the plurality of second positioning blocks, the two first positioning blocks are respectively clamped in the corresponding positioning gaps, and a handle is fixed to the side end of the rotating shaft.

[0014] Optionally, an inclined feed slope is provided in the wire clamp seat, and the inclined feed slope is used to expand the feed opening of the accommodation slot.

[0015] Optionally, the plurality of clamping blocks are all made of insulating plastic.

[0016] The first positioning block on the surface of the rotating shaft is re-engaged in the positioning gap, and the first positioning block on the surface of the rotating shaft is re-engaged in the positioning gap.

[0017] In the utility model, the special-shaped quick-connect insulated grounding wire clamp can effectively fix the grounding wire clamp to the surface of the cable through the clamping assembly;

[0018] In the utility model, the special-shaped quick-connect insulated grounding wire clamp can achieve the effect of rotationally limiting the clamping component by rotating the positioning component;

[0019] In the present technical solution, by opening a receiving groove in the wire clamp seat, introducing the cable into the receiving groove, and then clamping and positioning the cable, installation can be performed more quickly. At the same time, a clamping assembly is used to replace the bolts, and a rotating positioning assembly is provided in the wire clamp seat, which can effectively prevent the clamping assembly from loosening and ensure the stability of the device.

[0020] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is the first main stereoscopic view in the utility model;

[0023] Figure 2 It is the second main stereoscopic view in the utility model;

[0024] Figure 3 It is a three-dimensional schematic diagram of the cable initially entering the cable clamp seat in the utility model;

[0025] Figure 4 It is the first partial cross-sectional view in the utility model;

[0026] Figure 5 For the utility model Figure 4 A partial enlarged view of the middle A;

[0027] Figure 6 It is the first partial stereogram in the utility model;

[0028] Figure 7 It is a second partial stereogram in the utility model;

[0029] Figure 8 For the utility model Figure 7 A partial enlarged view of point B in the middle;

[0030] In the figure: 1. grounding ring; 2. insulating protective cover; 3. wire clamp seat; 4. accommodating groove; 5. inclined feed slope; 6. clamping plate; 7. twist handle; 8. rotating shaft; 9. clamping block; 10. connecting block; 11. matching groove; 12. placement groove; 13. first positioning block; 14. second positioning block; 15. first groove; 16. cross; 17. rotating block; 18. second groove; 19. sliding plate; 20. reset spring; 21. third groove; 22. threaded block; 23. screw rod. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In the description of the present invention, it should be understood that the terms "opening", "upper", "middle", "length", "inside" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of known functions and known components.

[0034] Embodiment 1

[0035] See also Figure 1-Figure 8 As shown, in this embodiment, a special-shaped quick-connect insulated grounding clamp is provided, including:

[0036] A grounding ring 1 for connecting a grounding wire, a wire clamp seat 3 is rotatably arranged on the surface of the grounding ring 1, and the wire clamp seat 3 is used to fix the grounding wire clamp on the surface of the cable;

[0037] An insulating protective sleeve 2 is provided on the surface of the grounding ring 1;

[0038] The wire clamp seat 3 is provided with a receiving groove 4, a connecting block 10 is fixed in the receiving groove 4, a placement groove 12 for receiving the cable is provided in the connecting block 10, and a plurality of piercing blades for piercing the insulating layer of the cable are evenly fixed on the inner wall of the connecting block 10;

[0039] The clamping assembly is arranged in the wire clamp seat 3 and is used to stably fix the cable in the placement groove 12; the clamping assembly includes a third groove 21 opened in the wire clamp seat 3 and connected to the accommodating groove 4, a screw rod 23 rotates in the third groove 21, a threaded block 22 slides in the third groove 21, the threaded block 22 is threadedly connected to the surface of the screw rod 23, and a clamping plate 6 is fixed to the side end of the threaded block 22; when in use, the accommodating groove 4 is aligned with the cable and inserted, and after the accommodating groove 4 is set on the cable surface, the screw rod 23 is rotated to drive the clamping plate 6 to move downward, and the clamping plate 6 moves downward to drive multiple clamping blocks 9 to squeeze the cable, so that it enters the placement groove 12, and at the same time, pressure is applied to the cable to facilitate the piercing blade to penetrate the cable insulation layer;

[0040] A plurality of clamping blocks 9 for applying pressure to the cable are fixed at the bottom end of the clamping plate 6, a plurality of matching grooves 11 are provided in the connecting block 10, and the plurality of clamping blocks 9 are matched with the plurality of matching grooves 11 respectively;

[0041] The plurality of clamping blocks 9 are all made of insulating plastic;

[0042] Furthermore, an inclined feed slope 5 is provided in the wire clamp seat 3 , and the inclined feed slope 5 is used to expand the feed port of the accommodating groove 4 , making it more convenient for the cable to enter the accommodating groove 4 .

[0043] Embodiment 2

[0044] Improved on the basis of embodiment 1: Refer to attached Figure 1 -Attached Figure 8 The special-shaped quick-connect insulated grounding wire clamp also includes a rotation positioning component used in conjunction with the clamping component, and the rotation positioning component automatically limits the clamping component; the rotation positioning component includes a rotating block 17 that rotates in the wire clamp seat 3, and the screw rod 23 is fixed to the side end of the rotating block 17. A first groove 15 is provided in the wire clamp seat 3, and a second groove 18 is provided in the rotating block 17. A slide plate 19 slides in the second groove 18, and a return spring 20 is fixed to the side end of the slide plate 19. The side end of the return spring 20 is fixed in the second groove 18, and a tenth spring 20 is fixed to the top of the slide plate 19. The cross 16 moves upward and penetrates into the first groove 15. The side end of the cross 16 is fixed with a rotating shaft 8. At least two first positioning blocks 13 are fixed on the surface of the rotating shaft 8. A plurality of second positioning blocks 14 are fixed on the inner wall of the first groove 15. A plurality of positioning gaps are formed between the plurality of second positioning blocks 14. The two first positioning blocks 13 are respectively clamped into the corresponding positioning gaps. The side end of the rotating shaft 8 is fixed with a twist handle 7. When the rotating shaft 8 moves downward, it drives the first positioning block 13 to leave the clamping gap, and the rotating shaft 8 can be rotated at this time.

[0045] After installation, loosen the handle 7, and the elasticity of the return spring 20 will push the slide plate 19 to return to its original position, so that the first positioning block 13 on the surface of the rotating shaft 8 is re-engaged in the positioning gap;

[0046] The ends of the first positioning block 13 and the second positioning block 14 that are close to each other are both semicircular. Even if the first positioning block 13 cannot be accurately aligned with the positioning gap, the elastic push of the return spring 20 causes the semicircular blocks of the first positioning block 13 and the second positioning block 14 to be squeezed and misaligned, and the first positioning block 13 is accurately guided into the positioning gap.

[0047] It should be noted that, in the description of this specification, descriptions such as "first", "second", etc. are merely used to distinguish between various features and have no actual order or directional meaning, and this application is not limited to this.

[0048] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. Special-shaped quick-connect insulated grounding clamp, characterized by: include: A grounding ring (1) for connecting a grounding wire, wherein a wire clamp seat (3) is rotatably arranged on the surface of the grounding ring (1), and the wire clamp seat (3) is used to fix the grounding wire clamp on the surface of the cable; The wire clamp seat (3) is provided with a receiving groove (4), a connecting block (10) is fixed in the receiving groove (4), a placement groove (12) for receiving a cable is provided in the connecting block (10), and a plurality of piercing blades for piercing the insulation layer of the cable are evenly fixed on the inner wall of the connecting block (10); A clamping assembly, the clamping assembly being arranged in the wire clamp seat (3) and being used for stably fixing the wire cable in the placement groove (12); And a rotation positioning component used in conjunction with the clamping component, wherein the rotation positioning component automatically limits the clamping component.

2. The special-shaped quick-connect insulated grounding clamp according to claim 1, characterized in that: The clamping assembly comprises a third groove (21) which is opened in the wire clamp seat (3) and communicates with the accommodating groove (4); a screw rod (23) rotates in the third groove (21); a threaded block (22) slides in the third groove (21); the threaded block (22) is threadedly connected to the surface of the screw rod (23); and a clamping plate (6) is fixed to the side end of the threaded block (22).

3. The special-shaped quick-connect insulated grounding clamp according to claim 2, characterized in that: A plurality of clamping blocks (9) for applying pressure to the cable are fixed at the bottom end of the clamping plate (6), a plurality of matching grooves (11) are provided in the connecting block (10), and the plurality of clamping blocks (9) are matched with the plurality of matching grooves (11) respectively.

4. The special-shaped quick-connect insulated grounding clamp according to claim 2, characterized in that: The rotary positioning assembly comprises a rotating block (17) rotating in the wire clamp seat (3), the screw rod (23) is fixed to the side end of the rotating block (17), a first groove (15) is provided in the wire clamp seat (3), a second groove (18) is provided in the rotating block (17), a slide plate (19) slides in the second groove (18), a return spring (20) is fixed to the side end of the slide plate (19), the side end of the return spring (20) is fixed in the second groove (18), and a cross is fixed to the top end of the slide plate (19). (16), the cross (16) moves upward and penetrates into the first groove (15), a rotating shaft (8) is fixed to the side end of the cross (16), at least two first positioning blocks (13) are fixed to the surface of the rotating shaft (8), a plurality of second positioning blocks (14) are fixed to the inner wall of the first groove (15), a plurality of positioning gaps are formed between the plurality of second positioning blocks (14), two of the first positioning blocks (13) are respectively snapped into the corresponding positioning gaps, and a twist handle (7) is fixed to the side end of the rotating shaft (8).

5. The special-shaped quick-connect insulated grounding clamp according to any one of claims 1 to 3, characterized in that: An inclined feed slope (5) is provided in the wire clamp seat (3), and the inclined feed slope (5) is used to expand the feed opening of the accommodation groove (4).

6. The special-shaped quick-connect insulated grounding clamp according to claim 3, characterized in that: The plurality of clamping blocks (9) are all made of insulating plastic.

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