CN212366257U

CN212366257U - Insulating drainage fastener that possesses binary channels

Info

Publication number: CN212366257U
Application number: CN202021311291.3U
Authority: CN
Inventors: 李怡; 王超; 黄其平; 曾浪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-01-15
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses an insulated drainage wire clamp with double channels, which comprises a wire clamp body and a cover, wherein the wire clamp body comprises a clamping part and a wiring part; the clamping part is provided with a wire groove, and the cover is detachably connected with the clamping part and is provided with an anti-loose strand bolt matched with the wire groove; the wiring portion is provided with a wire pressing bolt and a wiring hole matched with the wire pressing bolt. The utility model can effectively increase the section size of the wire clamp body by covering the opening part of the wire groove with the cover; simultaneously, the lid also can be through the effect of forked tail tenon strip and forked tail mortise, with fastener body zonulae occludens to make and to form two drainage channels on the drainage fastener. Through the drainage fastener that possesses the binary channels drainage function, effectively improve the drainage effect, reduce the fastener and generate heat, have simple structure, easy operation and low in manufacturing cost's etc. beneficial effect.

Description

Insulating drainage fastener that possesses binary channels

Technical Field

The utility model relates to a drainage fastener, specifically speaking, in particular to possess binary channels's insulating drainage fastener.

Background

A drainage wire clamp is a common device in the power industry; a connecting hole matched with a first wire is generally formed in one end of a wire clamp body, the end portion of the first wire is inserted into the connecting hole, the other end of the wire clamp body is generally of a hook-shaped structure, a bolt hole is formed in the position, opposite to an inner cavity of the hook-shaped structure, of the wire clamp body, a wire pressing bolt is arranged in the bolt hole, a second wire is arranged between the wire pressing bolt and the inner cavity of the hook-shaped structure, and the second wire is clamped tightly through the wire pressing bolt and the inner cavity of the hook-shaped structure.

There are problems in that: because the hook-shaped structure has an opening part and the contact between the wire pressing bolt and the wire clamp body is poor, only one drainage channel with a smaller cross section can be formed on the wire clamp body, and the drainage wire clamp generates heat seriously when in use.

Those skilled in the art have therefore sought to provide a dual channel insulated drain clip that effectively addresses the problem of heat generation.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that a binary channels's that can effectively solve the problem of generating heat insulating drainage fastener is provided.

In order to achieve the purpose, the utility model provides an insulating drainage wire clamp with double channels, which comprises a wire clamp body and a cover, wherein the wire clamp body comprises a clamping part and a wiring part;

the clamping part is provided with a wire groove, the cover is detachably connected with the clamping part and is provided with an anti-loose strand bolt matched with the wire groove;

the wiring portion is provided with a wire pressing bolt and a wiring hole matched with the wire pressing bolt.

Preferably, the cover is located on the left side of the clamping portion;

the wiring hole is opened the bottom of wiring portion just follows the length direction of wiring portion extends, the line ball bolt passes through the screw thread through-hole setting and is in the left side of wiring portion.

Preferably, be provided with the dovetail groove on the clamping part, be provided with on the lid with the dovetail strip that the dovetail groove cooperation was used, the lid passes through the dovetail strip with the dovetail groove with the connection can be dismantled to the clamping part.

Preferably, the anti-loose strand bolt comprises a bolt body, a connecting column is arranged at the lower end of the bolt body, and the connecting column is superposed with the central line of the bolt body and is smaller than the diameter of the bolt body;

the bolt is characterized in that a disc spring washer and a rotatable wire pressing disc are arranged on the connecting column, and the disc spring washer is sleeved on the connecting column and is located between the bolt body and the wire pressing disc.

Preferably, the bolt body comprises a bolt head, the bolt head is connected with the upper end of the bolt body, and the upper end of the connecting column is connected with the lower end of the bolt body; the outer surface of the bolt head is provided with a breaking part.

Preferably, a stopper is provided at the breaking portion.

Preferably, one end of the wire pressing disc is rotatably connected with the connecting column, the other end of the wire pressing disc is provided with a first cambered surface, a connecting hole is formed in the wire pressing disc, and the lower half section of the connecting column is located at the connecting hole.

Preferably, the wire groove has a second arc surface used in cooperation with the first arc surface.

Preferably, the clamping portion and the wire connecting portion are of an integrally formed structure.

Preferably, the number of the line pressing bolts and the number of the anti-scattering strand bolts are two.

Preferably, the clamp body and the cover are covered by an insulating layer or an insulating shell.

The utility model has the advantages that: the utility model discloses a lid covers the opening of wire casing, can effectively increase the cross sectional dimension of fastener body, simultaneously, the lid also can be through the effect of forked tail tenon strip and forked tail tongue groove, with fastener body in close contact with to make can form two drainage channels on the drainage fastener, one of them drainage channel, on drainage to the fastener body of the electric current on with the wire through the wire casing position promptly, another drainage channel is through preventing that strand bolt and lid are with the electric current drainage on the wire to the fastener body promptly. Through the drainage fastener that possesses the binary channels drainage function, effectively improve the drainage effect, reduce the fastener and generate heat, have simple structure, easy operation and low in manufacturing cost's etc. beneficial effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic perspective view of the present invention without the installation of the pressing line bolt and the cover.

Fig. 3 is a schematic view of the three-dimensional structure of the middle anti-loosening strand bolt of the present invention.

Fig. 4 is a schematic sectional structure view of the strand bolt for preventing loosening in the present invention.

Fig. 5 is a schematic structural view of the present invention used in cooperation with a wire.

3 fig. 3 6 3 is 3 a 3 schematic 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 in 3 fig. 3 5 3. 3

Fig. 7 is a schematic perspective view of fig. 5.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in fig. 1 to 7, an insulated drainage wire clamp with two channels comprises a wire clamp body 1 and a cover 5, wherein the wire clamp body 1 comprises a clamping part 2 and a wire connecting part 3;

a wire groove 6 is formed in the clamping part 2, the wire groove 6 transversely penetrates through the clamping part 2, and the cover 5 is detachably connected with the clamping part 2 and is provided with an anti-loose strand bolt 7 matched with the wire groove 6;

the wiring portion 3 is provided with a wire pressing bolt 8 and a wiring hole 9 matched with the wire pressing bolt 8. In this embodiment, the line ball bolt is a torque pressure plate bolt. Typical torque platen bolts are shown in patents CN201721799900, CN201620262374, CN201620270277, etc.

The cover 5 is positioned on the left side of the clamping part 2;

in this embodiment, the axial direction of the wire groove 6 is perpendicular to the axial direction of the wire connection hole 9. By adopting the scheme, the first lead and the second lead can be distributed in a T shape, and the method is particularly suitable for the use environment when the second lead is distributed transversely.

Wiring hole 9 sets up wiring portion 3's bottom and edge wiring portion 3's length direction extends, line ball bolt 8 sets up through screw through-hole 111 wiring portion 3's left side.

Be provided with dovetail groove 11 on the clamping part 2, be provided with on the lid 5 with dovetail strip 12 that 11 cooperations of dovetail groove used, lid 5 passes through dovetail strip 12 with dovetail groove 11 with the connection can be dismantled to clamping part 2. In the embodiment, the dovetail mortises 11 are parallel to the axial direction of the wire chase 6, the two dovetail mortises 11 are respectively positioned at two sides of the opening part of the wire chase 6, and when the dovetail mortises are used, the dovetail tenon strips 12 can slide into the dovetail mortises 11 from the axial end parts of the dovetail mortises 11;

the anti-loose strand bolt 7 comprises a bolt body 13, a connecting column 14 is arranged at the lower end of the bolt body 13, and the connecting column 14 is superposed with the central line of the bolt body 13 and is smaller than the diameter of the bolt body 13; in this embodiment, the bolt body 13 and the connecting column 14 are integrally formed.

The connecting column 14 is provided with a disc spring washer 132 and a rotatable wire pressing disc 133, and the disc spring washer 132 is sleeved on the connecting column 14 and is positioned between the bolt body 13 and the wire pressing disc 133.

The bolt body 13 comprises a bolt head 134, the bolt head 134 is connected with the upper end of the bolt body 13, and the upper end of the connecting column 14 is connected with the lower end of the bolt body 13; the outer surface of the bolt head 134 is provided with a breaking part 122 (in this embodiment, the breaking part is a circle of groove formed along the outer surface of the bolt head 134), and the breaking part 122 is arranged in the middle of the bolt head 134. The principle of this improvement scheme is similar with current moment pressure disk bolt, and when moment reached certain numerical value, corresponding position on the anti-straggling strand bolt will break off promptly, can effectively avoid too big stress to constitute the damage to the knot, and simultaneously, the residual of bolt head can be convenient for dismantle the anti-straggling strand bolt. A limiting member 123 is arranged in the fracture part 122, and the limiting member may be a rubber ring, a snap spring, or the like, and the fracture part 122 is a rubber ring in this embodiment. In specific implementation, a protective rubber ring can be arranged at the annular fracture part, so that on one hand, when an operator screws the bolt head 134, the situation that the bolt head 134 cannot be screwed off due to the fact that a tool is used for pinching the lower half part (the position below the fracture part) of the bolt head 134 is avoided; on the other hand, foreign matter is prevented from entering the annular breaking portion (groove).

One end of the wire pressing disc 133 is rotatably connected with the connecting column 14, the other end of the wire pressing disc 133 is provided with a first arc surface 300, a connecting hole 143 is formed in the wire pressing disc 133, and the lower half section of the connecting column 14 is located at the connecting hole 143.

The wire slot 6 has a second arc 301 cooperating with the first arc 300.

The clamping portion 2 and the wire connecting portion 3 are of an integrally formed structure. The number of the line pressing bolts 8 and the number of the anti-loose strand bolts 7 are two.

The wire clamp body 1 and the cover 5 are wrapped by an insulating layer or an insulating shell (not shown in the figure), so that short circuit and grounding accidents caused by lap joint of people or animals can be prevented, and the use reliability and safety of products are improved.

In this embodiment, the number of the dovetail grooves 11 and the dovetail strips 12 is two, and each of the dovetail grooves 11 and the dovetail strips 12 is in one-to-one correspondence and is used in cooperation.

The principle of the utility model is that: when in use, the first lead 100 is inserted into the wiring hole 9, then the wire pressing bolt 8 in the threaded through hole 111 is screwed, the first lead 100 is pressed against the hole wall of the wiring hole 9 through the wire pressing bolt 8, then the wire clamp body 1 is hung on the second lead 200 through the wire slot 6, the cover 5 is slid into the dovetail groove 11 from the axial end part of the dovetail groove 11 (before the cover is slid into the dovetail groove, the wire pressing disc 133 is firstly rotated and adjusted to enable the cambered surface on the wire pressing disc 133 to be parallel to the outer wall of the second lead 200), then the anti-scattering bolt 7 is screwed, the wire pressing disc 133 on the anti-scattering bolt 7 can tightly press the second lead 200 on the inner wall of the wire slot 6, when the second conducting wire 200 is tightly pressed, the anti-loosening bolt 7 is screwed into a certain distance, the cover 5 is pushed outwards by the anti-loosening bolt 7, at the same time, the dovetail strip 12 is tightly embedded into the dovetail groove 11, meanwhile, the disc spring washer 132 is also deformed by the pressing of the step surface 500 and the wire pressing disc 133; after the external force is removed, on the one hand, the cover 5 forms an inward acting force under the action of the dovetail strips 12 and the dovetail grooves 11, so that the threads of the bolt holes in the cover 5 inwards support the threads of the anti-loosening bolts 7 tightly, on the other hand, the belleville spring washers 132 also form an inward acting force due to the deformation restoring force, and then the wire pressing disc 133 is supported tightly on the second wire 200.

The utility model discloses still have following beneficial effect:

1) the wire pressing disc 133 can contact with the second lead 200 through the first cambered surface 300, so that not only can the strands of the leads be prevented from being scattered (thicker leads are generally formed by winding a plurality of strands of thinner leads, and if the wire pressing disc 133 contacts with the leads in a planar contact mode, the plurality of strands of thin wires are easily squeezed and scattered, namely, strands are scattered), but also the contact area of the strand scattering preventing bolt 7 and the leads can be effectively increased;

2) under the action of the dovetail tenon strip and the dovetail tenon groove, the cover 5 can enable the anti-loose strand bolt 7 to tightly abut against the conducting wire, and the anti-loose strand bolt 7 is prevented from loosening;

3) lid 5 covers wire casing 6's opening, can effectively increase the cross sectional dimension of fastener body, and simultaneously, lid 5 also can be through the effect of dovetail 12 and dovetail 11, with fastener body zonulae occludens, thereby make and to form two drainage channels on the drainage fastener, one of them drainage channel, on drainage to the fastener body through the current drainage on the wire groove position on with the wire promptly, another drainage channel, on drainage to the fastener body through preventing straggling bolt 7 and lid 5 with the current drainage on the wire promptly.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides an insulating drainage fastener that possesses binary channels, characterized by: the wire clamp comprises a wire clamp body (1) and a cover (5), wherein the wire clamp body (1) comprises a clamping part (2) and a wiring part (3);

a wire groove (6) is formed in the clamping part (2), the cover (5) is detachably connected with the clamping part (2) and is provided with an anti-loose strand bolt (7) matched with the wire groove (6);

the wiring portion (3) is provided with a wire pressing bolt (8) and a wiring hole (9) matched with the wire pressing bolt (8).

2. The insulated drainage clamp with dual channels of claim 1, wherein: the cover (5) is positioned on the left side of the clamping part (2);

the wiring hole (9) is formed in the bottom end of the wiring portion (3) and extends along the length direction of the wiring portion (3), and the wire pressing bolt (8) is arranged on the left side of the wiring portion (3) through a threaded through hole (111).

3. The insulated drainage clamp with dual channels of claim 1, wherein: be provided with forked tail dovetail groove (11) on clamping part (2), be provided with on lid (5) with forked tail tenon strip (12) that forked tail dovetail groove (11) cooperation was used, lid (5) are passed through forked tail tenon strip (12) with forked tail dovetail groove (11) with the connection can be dismantled to clamping part (2).

4. The insulated drainage clamp with dual channels of claim 1, wherein: the anti-scattering strand bolt (7) comprises a bolt body (13), a connecting column (14) is arranged at the lower end of the bolt body (13), and the connecting column (14) is superposed with the central line of the bolt body (13) and is smaller than the diameter of the bolt body (13);

be provided with belleville spring packing ring (132) and rotatable wire-pressing disc (133) on spliced pole (14), belleville spring packing ring (132) cover is established on spliced pole (14) and is located bolt body (13) with between the wire-pressing disc (133).

5. The insulated drainage clamp with dual channels of claim 4, wherein: the bolt body (13) comprises a bolt head (134), the bolt head (134) is connected with the upper end of the bolt body (13), and the upper end of the connecting column (14) is connected with the lower end of the bolt body (13); the outer surface of the bolt head (134) is provided with a breaking part (122).

6. The insulated drainage clamp with dual channels of claim 5, wherein: and a limiting piece (123) is arranged at the fracture part (122).

7. The insulated drainage clamp with dual channels of claim 4, wherein: one end of the wire pressing disc (133) is rotationally connected with the connecting column (14), the other end of the wire pressing disc (133) is provided with a first arc surface (300), a connecting hole (143) is formed in the wire pressing disc (133), and the lower half section of the connecting column (14) is located at the connecting hole (143).

8. The insulated drainage clamp with dual channels of claim 7, wherein: the wire groove (6) is provided with a second cambered surface (301) matched with the first cambered surface (300) for use.

9. The insulated drainage clamp with dual channels of claim 1, wherein: the clamping part (2) and the wiring part (3) are of an integrally formed structure.

10. The insulated drainage clamp with dual channels of claim 1, wherein: the wire clamp body (1) and the cover (5) are wrapped by an insulating layer or an insulating shell.