Explosion-proof lighting work lamp with self-locking structure

Abstract

The utility model relates to the technical field of anti-explosion lighting lamps, in particular to an anti-explosion lighting working lamp with a self-locking structure, which has the characteristic of practicability and comprises a base, first sliding grooves are respectively arranged on two sides of the base and are connected with a plurality of sections of telescopic rods in a sliding manner, and fixing plates are arranged on the upper portions of the plurality of sections of telescopic rods. A movable plate is arranged on the lower portions of the multiple multi-section telescopic rods, a plurality of second sliding grooves are formed in the movable plate and slidably connected with push rods, racks are arranged at one ends of the push rods, gears are connected to one ends of the racks in a meshed mode, the gears are meshed, a plurality of third sliding grooves are formed in the lower portion of the base, and the third sliding grooves are connected with the push rods in a meshed mode. The third sliding grooves are connected with inserting rods in a sliding mode, springs are arranged in the third sliding grooves, and one ends of the springs are connected with the corresponding inserting rods.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof lighting lamps, in particular to an explosion-proof lighting work lamp with a self-locking structure. Background Art

[0002] As we all know, explosion-proof lighting work lights with self-locking structures are suitable for various flammable and explosive places such as various accident repairs, tunnels, subway construction, etc. as large-scale mobile lighting.

[0003] In real life, most explosion-proof lighting work lights with self-locking structures are installed on the top of buildings. When the light of the surface lamps of the explosion-proof lighting work lights with self-locking structures is dim and needs to be repaired or replaced, workers are required to climb the climbing device at the tunnel construction site to disassemble the lamps. When the leverage is unstable, it is easy to fall from the climbing device and get injured. They cannot stand on the ground to operate the explosion-proof lighting work lights with self-locking structures on the top and move the lighting fixtures to a lower place for disassembly. Therefore, the practicality is not very good and there is room for improvement. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an explosion-proof lighting work lamp with a self-locking structure, which has the characteristics of being very practical.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an explosion-proof lighting work lamp with a self-locking structure, comprising a base, first slide grooves are respectively provided on both sides of the base, and are slidably connected with multi-section telescopic rods, several of the multi-section telescopic rods are provided with fixed plates on the upper parts, several of the multi-section telescopic rods are provided with movable plates on the lower parts, several second slide grooves are provided inside the movable plates, and are slidably connected with push rods, several of the push rods are provided with racks at one end, several of the racks are meshed with gears at one end, several of the gears are meshed with each other, several third slide grooves are provided at the lower part of the base, and are slidably connected with plug rods, several of the third slide grooves are provided with springs, and one end of several of the springs is connected to the corresponding plug rods.

[0008] Furthermore, a first connecting rod is provided in the middle of the gear located on the left, and the first connecting rod is rotatably connected to the movable plate through a first rotating shaft. A second connecting rod is provided in the middle of the gear located on the right, and the second connecting rod is rotatably provided to the movable plate through a second rotating shaft.

[0009] Furthermore, the lower portion of the second connecting rod passes through the bottom of the movable plate, and a telescopic tube is provided at the lower portion of the second connecting rod.

[0010] Furthermore, first threaded holes are respectively provided on both sides of the plurality of fixing plates and are threadedly connected with bolts, and a plurality of second threaded holes are provided on the upper portion of the base and are threadedly connected with corresponding bolts.

[0011] Preferably, a shell is provided on the upper portion of the movable plate, and a lighting fixture is installed inside the shell.

[0012] Preferably, the lower end surfaces of the plurality of the insertion rods are arranged in an inclined shape, and the base is provided with a plurality of mounting holes.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides an explosion-proof lighting work lamp with a self-locking structure, which has the following beneficial effects:

[0015] When the explosion-proof lighting work lamp with a self-locking structure needs to be repaired or replaced, the operator only needs to grasp the telescopic tube hanging on the wall and rotate it to drive the gear to rotate, thereby driving the push rod to push the insert inserted into the second slide groove back into the third slide groove, and then pulling the telescopic tube downward can drive the movable plate and the lighting fixture to move downward, so that the lighting fixture is lowered to a low position, which is convenient for staff to repair or replace it, without having to step on the climbing device to disassemble the explosion-proof lighting work lamp with a self-locking structure, thereby improving practicality to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0017] Figure 2 It is a three-dimensional schematic diagram of the utility model after the multi-section telescopic rod is extended and the telescopic tube is removed;

[0018] Figure 3 It is a schematic diagram of the enlarged structure of the base of the utility model;

[0019] Figure 4 It is an enlarged schematic diagram of the top view of the movable plate of the utility model.

[0020] In the figure: 1. base; 2. first slide groove; 3. multi-section telescopic rod; 4. fixed plate; 5. movable plate; 6. second slide groove; 7. push rod; 8. rack; 9. gear; 10. third slide groove; 11. plug rod; 12. first connecting rod; 13. second connecting rod; 14. telescopic tube; 15. bolt; 16. housing; 17. lighting fixture. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4The utility model is an explosion-proof lighting work lamp with a self-locking structure, including a base 1, a plurality of mounting holes are arranged on the base 1, and devices such as expansion bolts 15 are passed through the mounting holes and then installed in the wall, and the explosion-proof lighting work lamp with a self-locking structure is fixed on the wall, and first slide grooves 2 are arranged on both sides of the base 1, and multiple telescopic rods 3 are slidably connected, and multiple telescopic rods 3 are arranged on the upper parts of the multiple telescopic rods 3. Fixed plates 4 are arranged on the upper parts of the multiple telescopic rods 3, and first threaded holes are arranged on both sides of the multiple fixing plates 4, and bolts 15 are threadedly connected. Multiple second threaded holes are arranged on the upper part of the base 1, and they are threadedly connected with the corresponding bolts 15. The bolts 15 are screwed into the first threaded holes. The fixing plate 4 is fixed on the base 1 in the threaded holes and the second threaded holes, so that the multi-section telescopic rod 3 is fixed in the first slide groove 2, and a moving plate 5 is arranged at the lower part of several multi-section telescopic rods 3. The multi-section telescopic rods 3 are extended to drive the moving plate 5 to move downward, and a shell 16 is arranged at the upper part of the moving plate 5. A lighting fixture 17 is installed inside the shell 16 to provide lighting. Several second slide grooves 6 are arranged inside the moving plate 5, and push rods 7 are slidably connected to each other. Racks 8 are arranged at one end of several push rods 7, and gears 9 are meshed and connected to each other at one end of several racks 8. Several gears 9 are meshed with each other, and one gear 9 rotates to drive another gear 9 to rotate, and then drives several racks 8. The gear 9 on the left is provided with a first connecting rod 12 in the middle thereof, and the first connecting rod 12 is connected to the movable plate 5 in rotation through the first rotating shaft. The gear 9 on the right is provided with a second connecting rod 13 in the middle thereof, and the second connecting rod 13 is connected to the movable plate 5 in rotation through the second rotating shaft. The lower part of the second connecting rod 13 passes through the bottom of the movable plate 5, and the lower part of the second connecting rod 13 is provided with a telescopic tube 14. The staff grasps the telescopic tube 14 and rotates it, driving the second connecting rod 13 to rotate, thereby driving the gear 9 on the second connecting rod 13 to rotate, and then driving another meshed gear 9 to rotate. The lower part of the base 1 is provided with There are several third slide grooves 10, and each is slidably connected with an insertion rod 11. Several third slide grooves 10 are provided with springs, and one end of several springs is connected to the corresponding insertion rod 11. Under the thrust of the spring, the insertion rod 11 pushes the insertion rod 11 to move, so that a part of the insertion rod 11 extends into the second slide groove 6. The lower end surfaces of several insertion rods 11 are arranged in an inclined shape. When the movable plate 5 moves upward, the upper part of the movable plate 5 contacts with several insertion rods 11, and the insertion rod 11 is pushed into the ground slide groove through the inclined end surface. When the second slide groove 6 and the third slide groove 10 overlap, the insertion rod 11, under the thrust of the spring, a part of the insertion rod 11 extends into the second slide groove 6 to support the movable plate 5.

[0023] To sum up, when the explosion-proof lighting work lamp with a self-locking structure is in use, when the staff needs to repair or replace the explosion-proof lighting work lamp with a self-locking structure, the staff grabs the telescopic tube 14 and rotates it, driving the second connecting rod 13 to rotate, driving the gear 9 to rotate, and then driving the meshing gear 9 to rotate. Several gears 9 drive the meshing rack 8 to move, driving the push rod 7 to slide in the second slide groove 6, and then push the insertion rod 11 at one end of the second slide groove 6 to move, and push the insertion rod 11 into the third slide groove 10. At this time, the movable plate 5 and the base 1 are in a separated state, and then the telescopic tube 14 is pulled downward, with The movable plate 5 moves downward, and the multi-section telescopic rod 3 extends to pull the movable plate 5. When the movable plate 5 drops to a suitable height, the staff can repair or replace the lighting fixture 17 in the shell 16, and then push the telescopic tube 14 upward to drive the movable plate 5 to move upward, and drive the multi-section telescopic rod 3 to contract. When the upper part of the movable plate 5 contacts with several insertion rods 11, the insertion rod 11 is squeezed to slide into the third slide groove 10, and the spring is compressed at the same time. When the third slide groove 10 coincides with the second slide groove 6, the spring stretches, and under the thrust of the spring, a part of the insertion rod 11 slides into the third slide groove 10 to jam the movable plate 5.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof lighting work lamp with a self-locking structure, characterized in that: The invention comprises a base (1), wherein first slide grooves (2) are respectively arranged on both sides of the base (1), and are slidably connected with multi-section telescopic rods (3), the upper parts of several multi-section telescopic rods (3) are arranged with fixed plates (4), the lower parts of several multi-section telescopic rods (3) are arranged with movable plates (5), several second slide grooves (6) are arranged inside the movable plates (5), and are slidably connected with push rods (7), one end of several push rods (7) are arranged with racks (8), one end of several racks (8) are meshingly connected with gears (9), several gears (9) are meshed with each other, several third slide grooves (10) are arranged at the lower part of the base (1), and are slidably connected with plug rods (11), several third slide grooves (10) are arranged with springs, and one end of several springs is connected with the corresponding plug rods (11).

2. The explosion-proof lighting work lamp with a self-locking structure according to claim 1, characterized in that: A first connecting rod (12) is arranged in the middle of the gear (9) located on the left, and the first connecting rod (12) is rotatably connected to the movable plate (5) via a first rotating shaft. A second connecting rod (13) is arranged in the middle of the gear (9) located on the right, and the second connecting rod (13) is rotatably arranged to the movable plate (5) via a second rotating shaft.

3. The explosion-proof lighting work lamp with a self-locking structure according to claim 2, characterized in that: The lower portion of the second connecting rod (13) passes through the bottom of the movable plate (5), and a telescopic tube (14) is provided at the lower portion of the second connecting rod (13).

4. The explosion-proof lighting work lamp with a self-locking structure according to claim 3 is characterized in that: A first threaded hole is respectively provided on both sides of the plurality of fixing plates (4) and is threadedly connected to a bolt (15); a plurality of second threaded holes is provided on the upper portion of the base (1) and is threadedly connected to the corresponding bolt (15).

5. The explosion-proof lighting work lamp with a self-locking structure according to claim 4, characterized in that: A housing (16) is provided on the upper part of the movable plate (5), and a lighting fixture (17) is installed inside the housing (16).

6. The explosion-proof lighting work lamp with a self-locking structure according to claim 1, characterized in that: The lower end surfaces of the plurality of insertion rods (11) are all arranged in an inclined shape, and the base (1) is provided with a plurality of mounting holes.

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