CN216384102U

CN216384102U - Night lighting device for construction site

Info

Publication number: CN216384102U
Application number: CN202220061510.XU
Authority: CN
Inventors: 宋迪
Original assignee: Shanxi Vocational University Of Engineering And Technology
Current assignee: Shanxi Vocational University Of Engineering And Technology
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-04-26
Anticipated expiration: 2032-01-11

Abstract

The utility model discloses a night illumination device for a construction site, which comprises a case and a junction box fixed on the case, wherein a first reed and a second reed are fixedly installed in the junction box respectively; the wire winding box is characterized by further comprising a wire winding disc which is rotatably arranged in the junction box, a fire wire column and a zero wire disc which are coaxial with the fire wire column are fixedly arranged in the wire winding disc respectively, the fire wire column is tangent to the first reed, and the zero wire disc is tangent to the second reed. The utility model discloses a construction site lighting device at night, the wire reel rotate to install in the terminal box, and the fire line post in the wire reel and zero line dish all the time with the terminal box in fixed reed one and reed two phase butt, so when the wire reel when twining the charging wire, the circuit in the terminal box can not twine the influence each other in the intercommunication. And can pass through the locking mechanism locking behind the wire reel winding charging wire, make things convenient for receiving and releasing of electric wire.

Description

Night lighting device for construction site

Technical Field

The utility model relates to the technical field of lighting equipment production, in particular to a night lighting device for a construction site.

Background

When meeting special conditions, college entrance examination and middle entrance examination are utilized to avoid influencing student examinations, and a general construction site can work in night shift in the period, so that the influence of construction noise on students is reduced.

According to the patent number: CN201621000313.8, publication (public notice) day: 2017-03-08, which discloses a night illumination device for a construction site, comprising a box body, wheels arranged below the box body, two solar panels which are arranged side by side with the upper part of the box body inclined at a certain angle, and a protective net arranged on the upper surfaces of the two solar panels; the device also comprises an LED lamp connected with the box body circuit, a lamp post and a base for supporting the LED lamp.

The lighting equipment is needed to be used in night construction, and the existing lighting equipment is simple and crude, namely, a wire with a preset length is wound in a wire spool and then inserted into a socket by using a plug so that the lighting equipment is lightened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a night lighting device for a construction site, which is used for solving the problems.

In order to achieve the above purpose, the utility model provides the following technical scheme: a night lighting device for a construction site comprises a case and a junction box fixed on the case, wherein a first reed and a second reed are fixedly installed in the junction box respectively; still including rotate install in wire reel in the terminal box, respectively fixed mounting has the fire line post that is located the centre of a circle and the zero line dish coaxial with the fire line post in the wire reel, the fire line post with reed one is tangent, zero line dish with reed two is tangent.

Preferably, a ceramic annular baffle is arranged between the first reed and the second reed.

Preferably, the wire spool is internally provided with symmetrically distributed first guide sliding grooves, the inner wall of the junction box is provided with second guide sliding grooves which are circumferentially arranged, and the first guide sliding grooves are communicated with the second guide sliding grooves.

Preferably, a locking mechanism is arranged in the wire spool and comprises a movable block driven to move in the vertical direction, two sides of the movable block are hinged to a second connecting rod, a locking block is hinged to the second connecting rod and is arranged in the first guide sliding groove and the second guide sliding groove in a sliding mode.

Preferably, the movable block is respectively provided with a track groove and a locking groove which are communicated with each other; the locking mechanism further comprises a connecting block fixed in the wire spool and a first connecting rod with one end hinged to the connecting block, a guide sliding column is arranged at the other end of the first connecting rod, and the guide sliding column is arranged in the track groove and the locking groove in a sliding mode.

Preferably, springs are arranged at the end parts of the movable blocks and the bottom of the inner wall of the wire spool, and the movable blocks are driven by the springs to enable the guide sliding columns to be locked in the locking grooves

Preferably, a button is fixedly mounted at an end of the movable block, and the button is located on the outer side of the wire spool.

In the technical scheme, the night illumination device for the construction site provided by the utility model has the following beneficial effects: the wire reel is installed in the terminal box in a rotating mode, and a fire wire column and a zero wire disc in the wire reel are always abutted to a reed I and a reed II which are fixed in the terminal box, so that when the wire reel is wound with a charging wire, lines in the terminal box cannot be mutually wound and influenced while being communicated. And can pass through the locking mechanism locking behind the wire reel winding charging wire, make things convenient for receiving and releasing of electric wire.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic overall structure diagram provided in an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the structure of the junction box and the wire spool according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a portion of a locking mechanism provided in an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of another portion of a locking mechanism provided in accordance with an embodiment of the present invention;

fig. 5 is a schematic structural view of the locking block, the first guide chute and the second guide chute according to the embodiment of the present invention.

Description of reference numerals:

1. a chassis; 2. a junction box; 3. a wire spool; 4. a button; 5. a first reed; 6. a second reed; 7. a ceramic annular baffle; 8. a fire wire column; 9. a zero wire coil; 10. connecting blocks; 11. a first connecting rod; 12. a slide guiding column; 13. a spring; 14. a track groove; 15. a locking groove; 16. a movable block; 17. a second connecting rod; 18. a locking block; 19. a first guide chute; 20. a second guide chute; 21. and a locking mechanism.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-5, a night illumination device for a construction site comprises a case 1 and a junction box 2 fixed on the case 1, wherein a first reed 5 and a second reed 6 are fixedly installed in the junction box 2 respectively; still including rotating wire reel 3 of installing in terminal box 2, fixed mounting has the fire line post 8 that is located the centre of a circle and zero line dish 9 coaxial with fire line post 8 respectively in the wire reel 3, and fire line post 8 is tangent with reed 5, and zero line dish 9 is tangent with reed 6.

Specifically, terminal box 2 is fixed on quick-witted case 1, wire reel 3 that can rotate has been installed in terminal box 2, reed 5 and reed two 6 are fixed in terminal box 2, fire line post 8 and zero line dish 9 are fixed on wire reel 3, wherein fire line post 8 is located the centre of a circle of wire reel 3, fire line post 8 and zero line dish 9 are coaxial, and fire line post 8 is laminated with reed 5 all the time, zero line dish 9 is laminated with reed two 6 all the time, so when wire reel 3 carries out the wire winding in terminal box 2 internal rotation, the electric wire in terminal box 2 can not twine each other.

In the technical scheme, the wire spool 3 is rotatably installed in the junction box 2, and the fire wire column 8 and the zero wire coil 9 in the wire spool 3 are always abutted against the first reed 5 and the second reed 6 fixed in the junction box 2.

As shown in figure 2, a ceramic ring-shaped baffle 7 is arranged between the first reed 5 and the second reed 6, when the wire spool 3 rotates, sparks can be generated due to friction between the fire wire column 8 and the first reed 5, and the ceramic ring-shaped baffle 7 can isolate the sparks from splashing so as to avoid safety accidents.

As shown in fig. 5, the first guiding slot 19 is symmetrically opened in the wire spool 3, the second guiding slot 20 is circumferentially arranged on the inner wall of the junction box 2, and the first guiding slot 19 and the second guiding slot 20 are communicated with each other, so that the wire spool 3 can be locked by pushing the locking block 18 in the first guiding slot 19 into the second guiding slot 20 after rotating.

As shown in fig. 3 and 4, a locking mechanism 21 is disposed in the wire spool 3, the movable block 16 is movable in a vertical direction in the locking mechanism 21, the two ends of the movable block 16 are both hinged to the second connecting rod 17, the second connecting rod 17 is hinged to the locking block 18, and the locking block 18 is slidable in the first guide slot 19 and the second guide slot 20, so that when the movable block 16 is driven to move up and down, the locking block 18 slides into the second guide slot 20 from the first guide slot 19 to lock the rotation of the wire spool 3, or slides into the first guide slot 19 from the second guide slot 20 to keep the rotation of the wire spool 3.

As shown in fig. 3 and 4, the track groove 14 and the locking groove 15 are communicated with each other and opened on one side outer wall of the movable block 16, the connecting block 10 is fixed in the spool 3, one end of the first connecting rod 11 is hinged on the connecting block 10, the other end is provided with the sliding guide column 12, and during the up-and-down movement of the movable block 16, the sliding guide column 12 slides or is locked in the track groove 14 and the locking groove 15, so that the spool 3 is locked to rotate or can continue to rotate.

As shown in fig. 3 and 4, a spring 13 is installed between the movable block 16 and the bottom of the inner wall of the spool 3, the movable block 16 presses the spring 13 when sliding towards the bottom of the spool 3, and after being released, the spring 13 pushes the movable block 16 to lock the guide sliding column 12 in the locking groove 15, so that the movable block 16 is fixed, and the rotation of the spool 3 is further locked.

As shown in fig. 1, the button 4 is fixed to the end of the movable block 16, and the button 4 is mounted on the outside of the wire spool 3, and the rotation or locking of the wire spool 3 in the terminal box 2 can be controlled by pressing the button 4.

It should be noted that, in the embodiment, a length of wire is wound in the wire spool 3, and the other end of the wire is connected to the lighting device, while the live wire of the wire is connected to the live wire pole 8, and the neutral wire is connected to the zero wire spool 9.

The working principle is as follows: the wire spool 3 is rotatably arranged in the junction box 2, after the wire spool 3 rotates, the second reed 6 in the wire spool 3 can rotate at the same time, wherein the fire wire column 8 and the zero wire disk 9 are coaxially installed, the fire wire column 8 is positioned at the center of a circle, and the first reed 5 and the second reed 6 in the junction box 2 are always respectively abutted with the fire wire column 8 and the zero wire disk 9 to keep a circuit path, so that when the wire spool 3 winds, lines in the junction box 2 cannot be wound mutually to influence the circuit.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. A night lighting device for a construction site comprises a case (1) and a junction box (2) fixed on the case (1), and is characterized in that a first reed (5) and a second reed (6) are fixedly installed in the junction box (2) respectively;

still including rotate install in wire reel (3) in terminal box (2), fixed mounting has the fire line post (8) that is located the centre of a circle and zero drum (9) coaxial with fire line post (8) respectively in wire reel (3), fire line post (8) with reed (5) are tangent, zero drum (9) with reed two (6) are tangent.

2. A construction site night light according to claim 1, wherein a ceramic ring-shaped baffle (7) is arranged between the first spring leaf (5) and the second spring leaf (6).

3. The night lighting device for the construction site as claimed in claim 1, wherein first guide grooves (19) are symmetrically distributed in the wire spool (3), second guide grooves (20) are circumferentially arranged on the inner wall of the junction box (2), and the first guide grooves (19) are communicated with the second guide grooves (20).

4. The night lighting device for the construction site as claimed in claim 3, wherein a locking mechanism (21) is arranged in the wire spool (3), the locking mechanism (21) comprises a movable block (16) driven to move in the vertical direction, two sides of the movable block (16) are hinged to a second connecting rod (17), a locking block (18) is hinged to the second connecting rod (17), and the locking block (18) is slidably arranged in the first guide sliding groove (19) and the second guide sliding groove (20).

5. The night lighting device for the construction site as claimed in claim 4, wherein the movable block (16) is provided with a track groove (14) and a locking groove (15) which are communicated with each other;

the locking mechanism (21) further comprises a connecting block (10) fixed in the wire spool (3) and a first connecting rod (11) with one end hinged to the connecting block (10), a guide sliding column (12) is arranged at the other end of the first connecting rod (11), and the guide sliding column (12) is arranged in the track groove (14) and the locking groove (15) in a sliding mode.

6. A night lighting device for a construction site as claimed in claim 5, wherein a spring (13) is arranged at the end of the movable block (16) and the bottom of the inner wall of the wire spool (3), and the movable block (16) is driven by the spring (13) to lock the guide sliding column (12) in the locking groove (15).

7. A night lighting device for a construction site as claimed in claim 5, wherein a button (4) is fixedly mounted at an end of the movable block (16), and the button (4) is positioned outside the wire spool (3).