CN211046375U

CN211046375U - Junction box with adjustable depth for electrical installation engineering

Info

Publication number: CN211046375U
Application number: CN201922457374.7U
Authority: CN
Inventors: 李勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-17
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a terminal box with adjustable depth for electrical installation engineering in the technical field of electrical installation engineering, which comprises a terminal box body, wherein the upper parts of the left and right sides of the inner cavity of the terminal box body are respectively provided with an upper connecting plate, the lower end surface of the upper connecting plate is respectively provided with an upper supporting cross rod, the inner side of the bottom of the upper supporting cross rod is uniformly provided with a first rotating shaft, the first rotating shaft is uniformly sleeved with a first rolling wheel, the middle parts of the left and right sides of the inner cavity of the terminal box body are respectively provided with a first bolt hole, the lower parts of the left and right sides of the inner cavity of the terminal box body are respectively provided with a lower connecting plate, the upper end surface of the lower connecting plate is respectively provided with a lower supporting cross rod, the inner side of the top of the lower supporting cross rod is uniformly provided with a second rotating shaft, can make things convenient for the workman to use, guarantee that the apron installation is pleasing to the eye, prevent the danger of electric leakage.

Description

Junction box with adjustable depth for electrical installation engineering

Technical Field

The utility model relates to an electrical installation technical field specifically is a terminal box of adjustable degree of depth of electrical installation engineering.

Background

In the house decoration, the junction box is one of the electrical accessories, because the electric wire for decoration passes through the electric wire tube, the junction box is adopted for transition at the joint part of the electric wire (such as longer line or corner of the electric wire tube), however, in the using process, the technical problem which is not solved by people still exists, especially the building plane wall body is very easy to be greatly higher than the upper top part of the junction box in different degrees after decoration, when the plane wall body after decoration is higher than the top part of the junction box, all switches and sockets are not easy to be installed and fixed at the top part of the junction box, the existing junction box adopts sliding ear fixing and then fixing, the junction box is small in volume, the junction box is not easy to be used at the upper part of the ear fixing, the ear fixing can not be ensured to be completely fixed, the switch or the plugboard is loosened, the electric leakage is easy to cause, and the ear fixing can not be conveniently extracted, to this end, we propose a junction box with adjustable depth for electrical installation engineering.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a terminal box of the adjustable degree of depth of electrical installation engineering to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a junction box with adjustable depth for electrical installation engineering comprises a junction box body, wherein upper connecting plates are arranged on the upper portions of the left side and the right side of an inner cavity of the junction box body, upper supporting cross rods are arranged on the lower end faces of the upper connecting plates, first rotating shafts are uniformly arranged on the inner sides of the bottoms of the upper supporting cross rods, first rolling wheels are uniformly sleeved on the first rotating shafts, first bolt holes are formed in the middle portions of the left side and the right side of the inner cavity of the junction box body, lower connecting plates are arranged on the lower portions of the left side and the right side of the inner cavity of the junction box body, lower supporting cross rods are arranged on the upper end faces of the lower connecting plates, second rotating shafts are uniformly arranged on the inner sides of the tops of the lower supporting cross rods, second rolling wheels are uniformly sleeved on the second rotating shafts, fixed blocks are arranged between the first rolling wheels and the second rolling wheels, second bolt holes, and the bar hole runs through fixed block to fixed block and is close to terminal box body left and right sides panel one side, the bar hole inner chamber all is equipped with the bolt, and the bolt runs through bar hole to first bolt hole inner chamber.

Preferably, the upper end surface and the lower end surface of the fixed block are respectively provided with a groove matched with the first rolling wheel and the second rolling wheel, and the depth of the groove is 3-5 mm.

Preferably, the first bolt hole diameter is equal to the width of the strip-shaped hole, and the bolt and nut diameter is larger than the first bolt hole diameter.

Preferably, the gap between two adjacent rolling wheels on the upper support cross bar and the lower support cross bar is 10-15 mm.

Preferably, the depth of the second bolt hole is smaller than the distance from the left end of the strip-shaped hole to the left end of the fixing block.

Preferably, wire inserting holes are formed in the upper side panel, the lower side panel and the right side area of the junction box body, and the diameter of each wire inserting hole is equal to that of each wire connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are that: adopt first wheel, the second wheel that rolls, the recess on fixed block and the fixed block, convenient and fast when guaranteeing to extract the fixed block can be fast with terminal surface alignment wall before the fixed block, can guarantee the stability of fixed block again simultaneously, can not lead to the fixed block to take place to incline, prevents that the bolt can't insert the second bolt hole.

Adopt bar hole, first bolt hole and bolt, guarantee to utilize the bolt to fasten the fixed block, make the space grow that utilizes the instrument, be favorable to water and electricity electrician's installation terminal box, guarantee that the fixed block installation is stable to guarantee the stability of switch, picture peg.

Drawings

FIG. 1 is a diagram: the utility model discloses a structure schematic diagram of a junction box with adjustable depth for electrical installation engineering;

FIG. 2 is a diagram of: the utility model discloses structure schematic diagram is looked to terminal box inner chamber left side.

In the figure: 1. a junction box body; 2. a first bolt hole; 3. a first rolling wheel; 4. a first rotating shaft; 5. an upper support rail; 6. an upper connecting plate; 7. a lower connecting plate; 8. a lower support rail; 9. a second rotating shaft; 10. a second rolling wheel; 11. a second bolt hole; 12. a fixed block; 13. a strip-shaped hole; 14. and (4) bolts.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

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.

Referring to fig. 2, the present invention provides a technical solution: the utility model provides a terminal box of adjustable degree of depth of electrical installation engineering, including

terminal box body

1, 1 inner chamber left and right sides upper portion of terminal box body all is equipped with upper junction plate 6, the terminal surface all is equipped with support horizontal pole 5 under the upper junction plate 6, it evenly is equipped with first pivot 4 to go up support horizontal pole 5 bottom inboard, evenly the cover has first wheel 3 that rolls in

first pivot

4, 1 inner chamber left and right sides middle part of terminal box body all is equipped with first bolt hole 2, upper junction plate 6 all equals with terminal box body 1 degree of depth with last support horizontal pole 5 length, and upper junction plate 6 and last support horizontal pole 5 rear end all with 1 rear side board fixed connection of terminal box body, guarantee upper junction plate 6 and the stability of last support horizontal pole 5, first bolt hole 2 is located terminal box body 1 left and right sides panel front portion, guarantee that fixed block.

Referring to fig. 2, the lower portions of the left side and the right side of the inner cavity of the junction box body 1 are respectively provided with a lower connecting plate 7, the upper end surface of each lower connecting plate 7 is respectively provided with a lower supporting cross rod 8, the inner side of the top of each lower supporting cross rod 8 is uniformly provided with a second rotating shaft 9, the second rotating shafts 9 are uniformly sleeved with second rolling wheels 10, fixed blocks 12 are respectively arranged between the first rolling wheels 3 and the second rolling wheels 10, the depths of the lower connecting plates 7 and the lower supporting cross rods 8 are equal to the depths of the junction box body 1, and the rear side panels of the junction box body 1 are uniformly connected with the rear ends of the lower connecting plates 7 and.

Referring to fig. 2, a fixing block 12 is disposed between a first rolling wheel 3 and a second rolling wheel 10, a second bolt hole 11 is disposed in a center of a front end face of the fixing block 12, a strip hole 13 is disposed in a central axis of a left side face plate and a right side face plate of the junction box body 1 away from the fixing block 12, the strip hole 13 penetrates through the fixing block 12 to a position where the fixing block 12 is close to the left side face plate and the right side face plate of the junction box body 1, a bolt 14 is disposed in an inner cavity of the strip hole 13, the bolt 14 penetrates through the strip hole 13 to an inner cavity of the first bolt hole 2, the length of the bolt 14 is greater than the depth of the strip hole 13, the left side face plate.

Referring to fig. 1 and 2, the upper and lower end surfaces of the fixing block 12 are respectively provided with a groove matched with the first rolling wheel 3 and the second rolling wheel 10, and the depth of the groove is 3-5mm, so that the fixing block 12 is stably installed between the first rolling wheel 3 and the second rolling wheel 10, and the fixing block 12 can be smoothly slid.

Referring to fig. 2, the diameter of the first bolt hole 2 is equal to the width of the strip hole 13, and the diameter of the nut of the bolt 14 is larger than the diameter of the first bolt hole 2, so that the bolt 14 can be inserted into the strip hole 13 and the first bolt hole 2, the fixing block 12 is fixed by the bolt 14 and the nut, the length of the fixing block 12 can be adjusted, and the front end surface of the fixing block 12 is flush with the front surface.

Referring to fig. 2, the gap between two adjacent rolling wheels on the upper support cross bar 5 and the lower support cross bar 8 is 10-15mm, so that the fixed block 12 is not supported by only one corresponding rolling wheel during the process of pushing the fixed block 12 to the left, and the stability of the fixed block 12 is ensured.

Referring to fig. 1, the depth of the second bolt hole 11 is smaller than the distance from the left end of the strip-shaped hole 13 to the left end of the fixing block 12, the second bolt hole 11 is ensured to correspond to the bolt holes on the switch cover plate and the power strip cover plate on the upper end of the junction box body 1, the bolt is ensured not to enter the strip-shaped hole, and when the fixing block 12 is prevented from moving, the front bolt blocks the fastening fixing block 12 of the bolt 14.

Referring to fig. 1, the upper and lower side panels and the right side area of the junction box body 1 are provided with wire insertion holes, and the diameter of the wire insertion holes is equal to that of the junction box, so that the wires can be connected into the junction box, and meanwhile, the junction box can be prevented from entering the junction box, thereby preventing the leakage of the wires and causing personal safety hazards.

The working principle is as follows: when in use, the junction box body 1 is placed in the inner cavity of a reserved junction box hole on a wall surface, at the moment, because of decoration problems, the front end of the junction box body 1 is not flush with the wall surface, the junction box body 1 is recessed in the junction box hole, the bolt 14 is unscrewed by a small wrench, the fixing block 12 is stirred towards the front end, the upper end surface and the lower end surface of the fixing block 12 are both provided with grooves, and the upper and lower end surfaces of the groove are respectively contacted with the first rolling wheel 3 and the second rolling wheel 10, so as to ensure the smooth sliding of the fixed block 12, to ensure that the front end surface of the fixed block 12 is flush with the wall surface, and then to insert the bolt 14 into the inner cavity of the strip-shaped hole 13, and make bolt 14 aim at first bolt hole 2, utilize the spanner to fasten bolt 14, guarantee that terminal box body 1 left and right sides fixed block 12 front end face and wall parallel and level of panel, introduce the wire inside terminal box body 1 again, be connected to the wire to switch or socket, utilize the bolt to fix switch apron or row of inserting apron.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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. The utility model provides a terminal box of adjustable degree of depth of electrical installation engineering, includes terminal box body (1), its characterized in that: the upper parts of the left side and the right side of an inner cavity of the junction box body (1) are respectively provided with an upper connecting plate (6), the lower end face of each upper connecting plate (6) is respectively provided with an upper supporting cross rod (5), the inner sides of the bottoms of the upper supporting cross rods (5) are respectively and uniformly provided with a first rotating shaft (4), the first rotating shafts (4) are respectively and uniformly sleeved with a first rolling wheel (3), the middle parts of the left side and the right side of the inner cavity of the junction box body (1) are respectively provided with a first bolt hole (2), the lower parts of the left side and the right side of the inner cavity of the junction box body (1) are respectively provided with a lower connecting plate (7), the upper end face of each lower connecting plate (7) is respectively provided with a lower supporting cross rod (8), the inner side of the top of each lower supporting cross rod (8) is respectively provided with a second rotating shaft (9), terminal surface center department all is equipped with second bolt hole (11) before fixed block (12), fixed block (12) are kept away from terminal box body (1) left and right sides panel one side central axis department and all are equipped with bar hole (13), and bar hole (13) run through fixed block (12) and are close to terminal box body (1) left and right sides panel one side to fixed block (12), bar hole (13) inner chamber all is equipped with bolt (14), and bolt (14) run through bar hole (13) to first bolt hole (2) inner chamber.

2. An electrical installation engineering adjustable depth junction box as claimed in claim 1, wherein: grooves matched with the first rolling wheel (3) and the second rolling wheel (10) are respectively arranged on the upper end face and the lower end face of the fixing block (12), and the depth of each groove is 3-5 mm.

3. An electrical installation engineering adjustable depth junction box as claimed in claim 1, wherein: first bolt hole (2) diameter equals with bar hole (13) width, and bolt (14) nut diameter is greater than first bolt hole (2) diameter.

4. An electrical installation engineering adjustable depth junction box as claimed in claim 1, wherein: the gap between two adjacent rolling wheels on the upper support cross rod (5) and the lower support cross rod (8) is 10-15 mm.

5. An electrical installation engineering adjustable depth junction box as claimed in claim 1, wherein: the depth of the second bolt hole (11) is smaller than the distance from the left end of the strip-shaped hole (13) to the left end of the fixing block (12).

6. An electrical installation engineering adjustable depth junction box as claimed in claim 1, wherein: both sides board all is equipped with the plug wire hole with the right side area about terminal box body (1), and the plug wire hole diameter equals with the wire connection pipe diameter.