CN210111577U - Low-voltage cable branch box and insulation protection device thereof - Google Patents
Low-voltage cable branch box and insulation protection device thereof Download PDFInfo
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- CN210111577U CN210111577U CN201921292253.5U CN201921292253U CN210111577U CN 210111577 U CN210111577 U CN 210111577U CN 201921292253 U CN201921292253 U CN 201921292253U CN 210111577 U CN210111577 U CN 210111577U
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Abstract
The utility model discloses an insulating protector for low tension cable feeder pillar, including the insulating plate body and be used for being fixed in the support portion of low tension cable feeder pillar interior, be provided with on the insulating plate body be used for with leg joint's connecting portion to make the insulating plate body be fixed in between electrified spare and the external world. The support portion can set up to overhanging electrified spare in the low tension cable feeder pillar, so that insulating plate passes through connecting portion and fixes when the support portion, can be located the outside of electrified spare, in order to keep apart electrified spare and external world, of course, also can directly set up the support portion in the lateral wall equipotential of low tension cable feeder pillar, get up all the effectual insulation protection of the electrified spare of exposure of incasement through setting up insulating plate, prevent that operating personnel from contacting electrified spare carelessly in operation process, cause the potential safety hazard, and the security is high. The utility model also discloses a low tension cable feeder pillar of including above-mentioned insulation protection device.
Description
Technical Field
The utility model relates to a cable equipment technical field, more specifically say, relate to an insulating protector. Furthermore, the utility model discloses still relate to a low tension cable feeder pillar including above-mentioned insulation protection device.
Background
The low-voltage cable branch box is characterized in that a low-voltage outlet wire end of a low-voltage cabinet or a box transformer substation is connected to an inlet wire end of the branch box, and outlet wires of the low-voltage cable branch box are respectively connected to low-voltage users or low-voltage electric equipment. The device is suitable for occasions such as communities, markets, industries, enterprises and public institutions and the like, and has the advantages of wide application range, high safety and simplicity and convenience in operation and maintenance. However, some exposed live parts are arranged in the cable branch box, and an operator can easily and carelessly touch the live parts in the operation process to cause personal injury to the operator, so that the safety of the cable branch box in the use process is low.
In summary, a problem to be solved by those skilled in the art is how to provide an insulating protection device with high safety.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an insulating protector gets up the effectual insulation protection of all naked electrified pieces in the case through setting up insulating plate body, prevents that operating personnel from carelessly contacting electrified pieces in operation process, causes the potential safety hazard, and the security is high.
Another object of the utility model is to provide a low tension cable feeder pillar including above-mentioned insulation protection device.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides an insulating protector for low tension cable feeder pillar, includes insulating plate body and is used for being fixed in the support portion in the low tension cable feeder pillar, be provided with on the insulating plate body be used for with the connecting portion of leg joint, so that insulating plate body is fixed in between electrified spare and the external world.
Preferably, the number of the support parts is two, the connecting parts are symmetrically arranged in two first connecting holes on two sides of the insulating plate body, and connecting columns which are used for penetrating through the first connecting holes to fix the insulating plate body are respectively arranged on the two support parts.
Preferably, first connecting hole is big end down's calabash shape trompil, the spliced pole is the carriage bolt, the bolt head diameter of carriage bolt is less than the under opening diameter of calabash shape trompil just is greater than the last trompil diameter of calabash shape trompil, the diagonal length of the square neck of carriage bolt is less than the last trompil diameter of calabash shape trompil, so that the carriage bolt passes under the trompil and be fixed in the trompil.
Preferably, the insulating plate body is a rectangular plate body, and the two first connecting holes are symmetrically arranged in the middle of two side edges of the rectangular plate.
Preferably, the connecting portion includes second connecting holes symmetrically disposed at two sides of the insulating plate body and bolt portions for passing through the second connecting holes and being in matching connection with the bracket openings on the bracket portion.
Preferably, the second connecting hole is an oblong hole.
Preferably, the insulation plate body is a polymethyl methacrylate protection plate.
A low-voltage cable branch box comprises a box body, a live part arranged in the box body and the insulation protection device arranged on the front side of the live part.
The utility model provides an insulating protector for low tension cable feeder pillar, including the insulating plate body and be used for being fixed in the support portion of low tension cable feeder pillar, be provided with on the insulating plate body be used for with leg joint's connecting portion to make the insulating plate body be fixed in between electrified spare and the external world.
Wherein, insulating plate body adopts plastics promptly, the plate body of non-conductive material preparation such as offset plate, concrete size need with the size phase-match of low tension cable feeder pillar, stake portion can set up to overhanging electrified spare in the low tension cable feeder pillar, so that insulating plate body passes through connecting portion and fixes when stake portion, can be located the outside of electrified spare, with electrified spare and external isolation, of course, also can directly set up stake portion in the lateral wall equipotential of low tension cable feeder pillar, through setting up the effectual insulation protection of insulating plate body with all naked electrified spares in the case, prevent that operating personnel from contacting electrified spare carelessly in operation process, cause the potential safety hazard, high safety is high.
The utility model also provides a low tension cable feeder pillar including above-mentioned insulation protection device, the security is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of an insulating plate according to the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the insulating plate according to the present invention;
fig. 3 is a front view of the low-voltage cable branch box provided by the present invention;
fig. 4 is a side view of the low-voltage cable branch box provided by the present invention.
In FIGS. 1-4:
1 is an insulating plate body, 2 is a second connecting hole, 3 is a first connecting hole, 4 is a carriage bolt, and 5 is a live part.
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.
The core of the utility model is to provide an insulating protector gets up all the effectual insulation protection of the electrified piece of exposure of incasement through setting up insulating plate body, prevents that operating personnel from contacting electrified piece carelessly in operation process, causes the potential safety hazard, and the security is high.
The other core of the utility model is to provide a low-voltage cable branch box including above-mentioned insulation protection device.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of an embodiment of an insulating plate according to the present invention; fig. 2 is a schematic structural diagram of another embodiment of the insulating plate according to the present invention; fig. 3 is a front view of the low-voltage cable branch box provided by the present invention; fig. 4 is a side view of the low-voltage cable branch box provided by the present invention.
The utility model provides an insulating protector for low tension cable feeder pillar, including insulating plate body 1 and be used for being fixed in the support portion of low tension cable feeder pillar interior, be provided with on the insulating plate body 1 be used for with the connecting portion of leg joint to make insulating plate body 1 be fixed in between electrified spare 5 and the external world.
Wherein, the insulation board 1 is made of non-conductive materials such as plastic and rubber plate, the specific shape and size need to be selected according to the size of the low-voltage cable branch box and the arrangement position of the charged part 5 therein, generally, the insulation board 1 is a square board, the stability during fixing is good, the thickness of the insulation board 1 is not specially limited, the insulation board is not too thin, the insulation board is easy to be damaged and has poor insulation effect if the insulation board is too thin, in order to fix the insulation board 1, a support part is also arranged in the low-voltage cable branch box, the low-voltage cable branch box can be arranged in a mode of extending out of the charged part 5 in the low-voltage cable branch box, so as to fix the insulation board 1 at the outer side of the charged part 5, and isolate the charged part 5 from the outside, of course, the support part can also be arranged at the position of the side wall of the low-voltage cable branch box near the outside, and the, the support also can adopt insulating material, avoids taking place to interfere between 5 with the electrification, specifically can adopt properties such as fixed plate, fixed column.
The utility model provides an insulating protector gets up all exposed electrified one 5 effectual insulation protection of incasement through setting up insulation board body 1, prevents that operating personnel from contacting electrified one 5 carelessly in operation process, causes the potential safety hazard, and the security is high.
On the basis of the above-mentioned embodiment, the number of the support portions is two, the connecting portions are symmetrically arranged in the two first connecting holes 3 on the two sides of the insulating plate body 1, and the two support portions are respectively provided with a connecting column for penetrating the first connecting holes 3 to fix the insulating plate body 1.
Wherein, set up two first connecting hole 3 symmetries in insulating plate body 1 both sides, it is stable when fixing in the stake body in order to guarantee insulating plate body 1, can not squint, the position one-to-one that sets up position needs and two first connecting holes 3 of two stake portions, during the use, remove insulating plate body 1, make two first connecting holes 3 above that align two spliced poles in the stake portion, and remove insulating plate body 1 and make the spliced pole pass first connecting hole 3, fix insulating plate body 1 on two spliced poles, can also be connected with the spliced pole through retaining members such as setting up the nut and lock fixed insulating plate body 1.
Preferably, the first connecting hole 3 is a gourd-shaped opening with a small upper part and a large lower part, the connecting column is a carriage bolt 4, the diameter of the bolt head of the carriage bolt 4 is smaller than the diameter of the lower opening of the gourd-shaped opening and larger than the diameter of the upper opening of the gourd-shaped opening, and the length of the diagonal line of the square neck of the carriage bolt 4 is smaller than the diameter of the upper opening of the gourd-shaped opening, so that the carriage bolt 4 passes through the lower opening and is fixed in the upper opening.
The carriage bolts 4 are divided into large semicircular carriage bolts (corresponding to the standards GB/T14 and DIN603) and small semicircular carriage bolts (corresponding to the standards GB/T12-85) according to the sizes of the heads. The carriage bolt 4 is a fastener composed of a bolt head and a screw (a cylinder with external threads), and needs to be matched with a nut to be used for fastening and connecting two parts with through holes. And be provided with square neck at the top of screw rod, carriage bolt 4 is applied to the inslot, and square neck card is in last trompil in the in-process of installation, can play the effect of preventing carriage bolt 4 pivoted. Because the bolt head of carriage bolt 4 is circular, does not have the design of available helping hand instrument such as cross recess or hexagon socket head, can also play the effect of theftproof in the actual connection process.
During installation, firstly, the gourd-shaped opening is aligned with the carriage bolt 4, the insulation plate body 1 is moved to enable the bolt head of the carriage bolt 4 to penetrate through the lower opening, then, the insulation plate body 1 is moved downwards, the square neck of the carriage bolt 4 enters the upper opening to be fixed in the upper opening, the bolt head diameter of the carriage bolt 4 is larger than the upper opening diameter of the gourd-shaped opening, the insulation plate body 1 cannot be separated from the carriage bolt 4, when cables are connected on a copper bar at a switch leading-out end in a site disassembly mode or in a switch leading-out end mode, only one section of distance needs to be moved upwards on the insulation plate body 1, for example, 20mm is needed, the specific distance needs to be determined by the size of the gourd-shaped opening, the insulation plate body 1 is moved upwards to enable the carriage bolt 4 to move in the lower opening, the insulation plate body is separated from the lower opening, the disassembly is completed.
In one embodiment of the insulating plate 1, the insulating plate 1 is a rectangular plate, and the two first connecting holes 3 are symmetrically disposed in the middle of two side edges of the rectangular plate.
It can be understood that the rectangular plate body is convenient to process, the symmetry stability is good, the installation is convenient, two first connecting holes 3 are symmetrically arranged in the middle of two sides of the rectangular plate body so as to improve the stability of the rectangular plate body after the rectangular plate body is fixed, certainly, the number and the arrangement positions of the first connecting holes 3 are not specially limited, and a user can flexibly select the first connecting holes according to actual needs.
In addition to the above, other structures may be adopted between the connecting portion and the bracket portion, for example, the connecting portion includes second connecting holes 2 symmetrically disposed on both sides of the insulating plate body 1 and bolt portions for passing through the second connecting holes 2 to be matched and connected with bracket openings on the bracket portion.
Wherein, set up assorted second connecting hole 2 and support trompil on connecting portion and stake frame to connect both through bolt portion, it is more firm to connect, but, need use specialized tool to fasten bolt portion on the stake frame portion of incasement both sides, when on-the-spot dismantlement or toward switch leading-out terminal copper bar connect the cable, need use specialized tool to unscrew bolt portion, man-hour is longer relatively. In order to facilitate the bolt part to pass through, the second connecting hole 2 is preferably an oblong hole. The diameter of the oblong hole is generally slightly larger than the diameter of the bolt portion.
On the basis of the above embodiments, the insulating plate body 1 is a polymethyl methacrylate protective plate.
Among them, polymethyl methacrylate, also called alhaga gum, has the advantages of high transparency, good insulation, light weight, low cost, easy molding, low cost, easy machining, etc., and is a glass substitute material which is often used in general. The organic silicon-based dielectric material is dissolved in an organic solvent such as anisole and the like, can form a good film and good dielectric property, and can be used as a dielectric layer of an organic field effect transistor. Its forming method includes casting, injection moulding, machining and thermal forming. Especially injection molding, mass production, simple process and low cost. Therefore, it is widely used in instrument parts, automobile lamps, optical lenses, and transparent pipes. Of course, the insulating plate body 1 can also be made of rubber and other materials, as long as the materials capable of playing the role of insulating and isolating can be applied to the utility model provides an among the technical scheme.
Except the above-mentioned insulating protection device, the utility model discloses still provide an insulating protection device's low tension cable feeder pillar including the above-mentioned embodiment discloses, including the box, set up electrified spare 5 in the box and be used for setting up in electrified spare 5 front sides, foretell insulating protection device. The structure of other parts of the low-voltage cable branch box refers to the prior art, and is not described herein again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides a low tension cable feeder pillar and insulating protector have carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. The insulation protection device for the low-voltage cable branch box is characterized by comprising an insulation plate body (1) and a support portion used for being fixed in the low-voltage cable branch box, wherein a connecting portion used for being connected with the support is arranged on the insulation plate body (1), so that the insulation plate body (1) is fixed between a charged piece (5) and the outside.
2. The insulation protection device for the low-voltage cable branch box according to claim 1, wherein the number of the bracket portions is two, the connecting portions are two first connecting holes (3) symmetrically arranged on two sides of the insulation plate body (1), and connecting columns for penetrating through the first connecting holes (3) to fix the insulation plate body (1) are respectively arranged on the two bracket portions.
3. The insulation protection device for the low-voltage cable branch box according to claim 2, wherein the first connection hole (3) is a gourd-shaped opening with a small top and a large bottom, the connection column is a carriage bolt (4), a bolt head diameter of the carriage bolt (4) is smaller than a lower opening diameter of the gourd-shaped opening and larger than an upper opening diameter of the gourd-shaped opening, and a diagonal length of a square neck of the carriage bolt (4) is smaller than an upper opening diameter of the gourd-shaped opening, so that the carriage bolt (4) passes through the lower opening and is fixed in the upper opening.
4. The insulation protection device for the low-voltage cable branch box according to claim 3, wherein the insulation plate body (1) is a rectangular plate body, and the two first connection holes (3) are symmetrically arranged in the middle of two side edges of the rectangular plate body.
5. The insulation protection device for the low-voltage cable branch box according to claim 1, wherein the connecting portion comprises second connecting holes (2) symmetrically arranged at two sides of the insulation plate body (1) and bolt portions for passing through the second connecting holes (2) to be matched and connected with bracket openings on the bracket portion.
6. The insulation protection device for low-voltage cable branch boxes according to claim 5, characterized in that the second connection hole (2) is an oblong hole.
7. The insulation protection device for low-voltage cable branch boxes according to any one of claims 1 to 6, characterized in that the insulation plate body (1) is a polymethyl methacrylate protection plate.
8. A low-voltage cable branch box, characterized by comprising a box body, a live part (5) arranged in the box body, and an insulation protection device according to any one of claims 1 to 7 arranged on the front side of the live part (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292253.5U CN210111577U (en) | 2019-08-09 | 2019-08-09 | Low-voltage cable branch box and insulation protection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292253.5U CN210111577U (en) | 2019-08-09 | 2019-08-09 | Low-voltage cable branch box and insulation protection device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210111577U true CN210111577U (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921292253.5U Active CN210111577U (en) | 2019-08-09 | 2019-08-09 | Low-voltage cable branch box and insulation protection device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210111577U (en) |
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2019
- 2019-08-09 CN CN201921292253.5U patent/CN210111577U/en active Active
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