CN210111065U

CN210111065U - Equipment wire clamp

Info

Publication number: CN210111065U
Application number: CN201921424524.8U
Authority: CN
Inventors: 张士勇; 周华荣; 刘亚飞; 邹建平
Original assignee: TORCH ELECTRICAL GROUP CO Ltd
Current assignee: TORCH ELECTRICAL GROUP CO Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-02-21
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses an equipment fastener, include: the cable clamp comprises a cable clamp body, wherein one end part of the cable clamp body in the width direction is provided with a plurality of positioning groove gland components which comprise a plurality of glands which are arranged in a split mode, the glands are covered on the cable clamp body, each gland is provided with a positioning claw, the positioning claws are embedded in the positioning grooves, and a lead channel is formed between each gland and the inner side of the cable clamp body; and the fastening connection assembly is used for fastening and connecting the wire clamp body and the gland. The positioning claw is embedded in the positioning groove, so that the relative position between the gland and the wire clamp body can be ensured, the positioning and the installation are convenient, and the stability of the gland and the wire clamp body after the gland and the wire clamp body are installed is improved; through setting up the gland that a plurality of components of a whole that can function independently set up, a set of fastening coupling assembling is connected on the fastener body corresponding to a gland, and the installation mutual noninterference between a plurality of glands ensures that the contact pressure voltage-sharing between fastener and the wire is good.

Description

Equipment wire clamp

Technical Field

The utility model relates to an electrical equipment technical field, concretely relates to equipment fastener.

Background

The equipment clamp is a hardware commonly used in power transmission, and is used for connecting a bus down lead with an outlet terminal of electrical equipment, wherein the electrical equipment is, for example, a transformer, a circuit breaker, a mutual inductor, a disconnecting switch, a wall bushing and the like.

The prior art discloses an equipment wire clamp, which comprises a gland and a wire clamp body, wherein the wire clamp and the wire clamp body respectively comprise bolt holes, and bolts capable of penetrating the bolt holes of the wire clamp and the wire clamp body can relatively fix the gland and the wire clamp body. Wherein gland and fastener body contain the claw respectively, and gland claw and fastener body claw can agree with the butt joint.

However, in the above-mentioned equipment cable clamp, one cable clamp body corresponds to one gland, and the cable clamp body and the gland are correspondingly provided with a plurality of bolt holes for connection, so that when a bolt in one of the bolt holes on the gland is not installed in place, other bolts are easily not installed in place, and thus the situation that the contact pressure between the cable clamp and the lead is uneven occurs.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the uneven defect of contact pressure between fastener and the wire among the prior art to an equipment fastener is provided.

An equipment clamp comprising:

the cable clamp comprises a cable clamp body, wherein a plurality of positioning grooves are formed in one end part of the cable clamp body in the width direction;

the gland assembly comprises a plurality of glands which are arranged in a split mode, the gland covers the wire clamp body, each gland is provided with a positioning claw, the positioning claws are embedded in the positioning grooves, and a lead channel is formed between each gland and the inner side of the wire clamp body;

and the fastening connection assembly is used for fastening and connecting the wire clamp body and the gland.

Further, the fastener body includes fastener connection body and dull and stereotyped body, the fastener connection body pass through fastening connection subassembly connect in the gland, dull and stereotyped body and electrical equipment connect.

Furthermore, the outer side of the wire clamp connecting body, which does not form the lead channel, is provided with a limiting groove, and the fastening and connecting assembly is positioned in the limiting groove.

Further, another tip of fastener connecting body along its width direction is equipped with the arc depressed part, the gland with be equipped with the relative tip that sets up of locating pawl inlays and locates in the arc depressed part.

Furthermore, the inner side of the gland is provided with a supporting bulge, the supporting bulge is connected to the inner side of the wire clamp connecting body in a supporting manner, and the lead channel is located between the positioning claw and the supporting bulge.

Further, the inner side of the gland is provided with at least one suspension arc part between the end parts of the positioning claws, which are not arranged on the gland, from the supporting protrusions, and the suspension arc parts are not attached to the wire clamp connecting body.

Further, fastening connection subassembly includes bolt, packing ring subassembly and nut, the head of bolt is located the spacing inslot, the threaded connection portion of bolt wears to locate the fastener connecting body with the gland, packing ring subassembly butt in the gland, the nut connect in threaded connection portion and butt in the packing ring subassembly.

Further, the washer assembly includes a flat washer disposed proximate the gland and a spring washer disposed proximate the nut.

Further, the wire clamp connecting body and the inner side of the pressing cover forming the wire leading channel are provided with wire leading bulges.

Further, the electrical device is a switch.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a pair of equipment fastener, include: the cable clamp comprises a cable clamp body, wherein one end part of the cable clamp body in the width direction is provided with a plurality of positioning groove gland components which comprise a plurality of glands which are arranged in a split mode, the glands are covered on the cable clamp body, each gland is provided with a positioning claw, the positioning claws are embedded in the positioning grooves, and a lead channel is formed between each gland and the inner side of the cable clamp body; and the fastening connection assembly is used for fastening and connecting the wire clamp body and the gland. According to the equipment cable clamp with the structure, the positioning claw is embedded in the positioning groove, so that the relative position between the gland and the cable clamp body can be ensured, the positioning and the installation are convenient, and the stability of the gland and the cable clamp body after the gland and the cable clamp body are installed is improved; through setting up the gland that a plurality of components of a whole that can function independently set up, a set of fastening coupling assembling is connected on the fastener body corresponding to a gland, and the installation mutual noninterference between a plurality of glands ensures that the contact pressure voltage-sharing between fastener and the wire is good.

2. The utility model provides a pair of equipment fastener, the fastener is connected the body and is not formed the outside of lead wire passageway is equipped with the spacing groove, fastening coupling assembling is located the spacing inslot. The equipment wire clamp of this structure through being provided with the spacing groove, prevents fastening connection subassembly's head and rotates, does not need additionally to fix fastening connection subassembly's head again during the installation, is convenient for install.

3. The utility model provides a pair of equipment fastener, the inboard of gland is equipped with the support arch, support protruding support connect in the inboard of fastener connection body, wherein the lead wire passageway is located the positioning pawl with support between the arch. The equipment wire clamp with the structure ensures that the supporting bulge becomes a rotating fulcrum between the gland and the wire clamp connecting body when a wire is installed through the supporting bulge, and is convenient to install and adjust.

4. The utility model provides a pair of equipment fastener, the inboard of gland is followed the support is protruding extremely the gland is not equipped with be provided with at least one unsettled segmental arc between the tip of locating pawl, unsettled segmental arc is not laminated the body setting is connected to the fastener. The equipment wire clamp with the structure has the advantages that the suspension arc part is arranged, the contact between the gland and the wire except other parts forming the lead channel is avoided as much as possible, and the contact pressure provided by the wire clamp is concentrated on the wire.

5. The utility model provides a pair of equipment fastener, the packing ring subassembly includes plain washer and spring washer, the plain washer is close to the gland sets up, the spring washer is close to the nut sets up. According to the equipment wire clamp with the structure, the flat gasket is arranged, so that the contact area between the fastening and connecting assembly and the gland is increased, and the surface of the gland is prevented from being worn out; by being provided with a spring washer, the fastening and connecting assembly is prevented from loosening.

6. The utility model provides a pair of equipment fastener, the fastener connect the body with the gland forms the inboard of lead wire passageway is equipped with the lead wire arch. The equipment wire clamp with the structure increases the friction force between the wire and the wire leading channel by arranging the wire leading protrusion, so that the wire is not easy to slide out from the wire leading channel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an apparatus wire clamp provided in an embodiment of the present invention;

FIG. 2 is a side view of the device clamp shown in FIG. 1;

description of reference numerals:

1-a wire clamp connecting body, 11-a positioning groove, 12-an arc-shaped concave part and 13-a limiting groove;

2-a flat plate body, 21-a strip-shaped mounting hole and 22-a circular mounting hole;

3-a gland, 31-a positioning claw, 32-a supporting bulge and 33-a suspended arc part;

4-lead bumps;

51-bolt, 52-plain washer, 53-spring washer, 54-nut;

6-lead channel.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

An equipment clamp as shown in figures 1 and 2 includes a clamp body, a gland assembly and a fastening connection assembly. The gland assembly comprises a plurality of glands 3 which are arranged in a split mode, the glands 3 are arranged on the wire clamp body in a covering mode, and a lead channel 6 is formed between each gland 3 and the inner side of the wire clamp body; a group of fastening and connecting components are used for fastening and connecting the wire clamp body and a gland 3. Note that the inner side of the gland 3 refers to the side of the gland where the lead passage 6 is formed, i.e., the left side of the gland 3 in fig. 2; the inner side of the clip body refers to the side of the clip connecting body 1 forming the lead channel 6, i.e. the right side of the clip connecting body 1 in fig. 2.

The fastener body includes that fastener connects body 1 and dull and stereotyped body 2, and fastener connects body 1 and connects in gland 3, dull and stereotyped body 2 and electrical equipment connection through fastening coupling assembling. In particular, the electrical device may be a disconnector or other electrical device. The flat plate body 2 is provided with a combined mounting hole, which can be specifically set, wherein the combined mounting hole comprises a strip-shaped mounting hole 21 and a circular mounting hole 22 shown in fig. 1.

Wherein the wire clamp connecting body 1 is provided with a positioning groove 11, an arc-shaped concave part 12 and a limiting groove 13. Specifically, referring to fig. 1, the positioning groove 11 is provided at one end portion of the wire clamp connecting body 1 in the width direction thereof; referring to fig. 2, the arc-shaped recess 12 is disposed at the other end of the wire clamp connecting body 1 along the width direction thereof, wherein the end of the pressing cover 3 opposite to the end having the positioning claw 31 is embedded in the arc-shaped recess 12; referring to fig. 1, the limiting groove 13 is disposed on the outer side of the wire clamp connecting body 1 where the wire guiding channel 6 is not formed, and the head of the fastening and connecting assembly is located in the limiting groove 13. Through being provided with spacing groove 13, prevent that fastening connection subassembly's head from rotating, the head of additionally fixed fastening connection subassembly again need not be convenient for install during the installation. It should be noted that the width direction of the wire clamp connecting body 1 refers to the direction from top to bottom in fig. 1 and 2; the outside of the clip connecting body 1 is the side opposite to the inside of the clip connecting body 1 (clip body), i.e., the left side of the clip connecting body 1 in fig. 2.

As shown in fig. 1 and 2, each gland 3 is provided with a positioning claw 31, a support protrusion 32 and at least one suspended arc 33. Wherein the positioning claw 31 is embedded in the positioning groove 11; the supporting protrusion 32 is arranged on the inner side of the gland 3 and is supported and connected to the inner side of the wire clamp connecting body 1, wherein the wire guiding channel 6 is positioned between the positioning claw 31 and the supporting protrusion 32; the inboard of gland 3 is provided with at least one unsettled arc 33 from the tip that support arch 32 did not be equipped with positioning pawl 31 to gland 3, and unsettled arc 33 is sunken towards the direction of keeping away from fastener connecting body 1 and is not laminated the fastener connecting body 1 setting, specifically refer to fig. 2, is provided with two unsettled arcs 33 in the picture.

By providing the supporting protrusion 32, it is ensured that the supporting protrusion 32 becomes a rotation fulcrum between the gland 3 and the wire clamp connection body 1 when the wire is installed, which facilitates installation and adjustment. By providing the suspended arc portion 33, the contact between the gland 3 and the wire except the other portion forming the lead channel 6 is avoided as much as possible, so that the contact pressure provided by the wire clamp is concentrated on the wire.

As shown in fig. 2, the inside of the clip connecting body 1 and the cover 3 forming the lead passage 6 is provided with a lead protrusion 4. Through being provided with lead wire arch 4, increase the frictional force between wire and the lead wire passageway 6 for the wire is difficult for following the interior roll-off of lead wire passageway 6.

As shown in fig. 1 and 2, the fastening and connecting assembly includes a bolt 51, a washer assembly and a nut 54, the head of the bolt 51 is located in the limiting groove 13, the threaded connection portion of the bolt 51 penetrates through the wire clamp connecting body 1 and the gland 3, the washer assembly abuts against the gland 3, and the nut 54 is connected to the threaded connection portion and abuts against the washer assembly. Specifically, the washer assembly includes a flat washer 52 and a spring washer 53, the flat washer 52 being disposed adjacent to the gland 3, the spring washer 53 being disposed adjacent to the nut 54. By providing the flat washer 52, the contact area between the fastening connection assembly and the gland 3 is increased, preventing the surface of the gland 3 from being worn out; by providing the spring washer 53, the fastening connection assembly is prevented from loosening.

The utility model discloses an equipment cable clamp, through setting up locating pawl 31 and inlaying in locating slot 11, can guarantee the relative position between gland 3 and the fastener body, the location installation of being convenient for, and improve the stability after gland 3 and the fastener body are installed; through setting up gland 3 that a plurality of components of a whole that can function independently set up, a set of fastening coupling assembling is connected on the fastener body corresponding to a gland 3, and the installation between a plurality of glands 3 mutually noninterfere ensures that the contact pressure voltage-sharing between fastener and the wire is good.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. An equipment clamp, comprising:

2. The equipment clamp of claim 1, wherein the clamp body includes a clamp connection body and a plate body, the clamp connection body being connected to the gland by the fastening connection assembly, the plate body being connected to the electrical equipment.

3. The equipment clamp of claim 2, wherein the clamp connection body is provided with a limiting groove on the outer side where the lead channel is not formed, and the fastening connection assembly is located in the limiting groove.

4. The equipment clamp according to claim 3, wherein an arc-shaped recess is formed at the other end of the clamp connecting body in the width direction, and the end of the gland opposite to the end where the positioning claw is formed is embedded in the arc-shaped recess.

5. An equipment clamp according to claim 4, wherein the inner side of the gland is provided with a support protrusion which is supportingly connected to the inner side of the clamp connection body, wherein the wire passage is located between the positioning claw and the support protrusion.

6. The equipment clamp according to claim 5, wherein at least one suspension arc portion is arranged on the inner side of the gland from the supporting protrusion to the end of the gland where the positioning claw is not arranged, and the suspension arc portion is not arranged to be attached to the clamp connecting body.

7. The equipment clamp of claim 6, wherein the fastening and connecting assembly includes a bolt, a washer assembly and a nut, the head of the bolt is located in the limiting groove, the threaded connection portion of the bolt is arranged through the clamp connecting body and the gland, the washer assembly abuts against the gland, and the nut is connected to the threaded connection portion and abuts against the washer assembly.

8. The equipment clamp of claim 7, wherein the washer assembly includes a flat washer disposed proximate the gland and a spring washer disposed proximate the nut.

9. An equipment clamp according to claim 8, wherein the inner side of the clamp connection body and the gland forming the lead passage is provided with a lead projection.

10. An appliance clamp as claimed in any one of claims 2 to 9, wherein the electrical appliance is a switch.