CN219530616U - Subway lamp convenient to detach - Google Patents

Abstract

The utility model belongs to the technical field of lamps, in particular to a lamp for a subway, which is convenient to detach. According to the utility model, the first transmission wheel, the second transmission wheel, the first transmission rod and the second transmission rod are arranged, the first transmission rod is driven to rotate through the engagement of the first transmission wheel and the second transmission wheel, and the second transmission rod synchronously follows the first transmission rod to rotate.

Description

Subway lamp convenient to detach

Technical Field

The utility model relates to the technical field of lamps, in particular to a lamp for a subway, which is convenient to detach.

Background

In recent years, with rapid development of national economy, the number of private automobiles has been drastically increased and road congestion has been increasingly serious, so that underground traffic, i.e., subways, is successively constructed in each large city to alleviate the phenomenon of road traffic congestion on the ground. The subway runs underground throughout the year, has high requirements on illumination, not only has the characteristics of electricity saving, high brightness, low glare, long service life and the like, but also ensures uninterrupted illumination.

Most lamps and lanterns all can need to use appurtenance when dismantling and installing to dismantle with the time of installation longer, to the staff maintenance with change efficiency comparatively influence.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a subway lamp convenient to detach, which is used for solving the problems that the detachment and installation time is long and the efficiency of maintenance and replacement of staff is affected.

The utility model provides a lamps and lanterns for subway convenient to dismantle, includes the casing and sets up in the inside lamp holder of casing, the vertical annular accommodation chamber that installs of inside central point department of casing, annular accommodation intracavity portion be provided with through the bearing rotate install in drive shaft in the casing, the drive shaft extends the one end cover of casing bottom has rotation portion, rotation portion rotate install in the bottom of casing, the upper end fixed mounting of drive shaft has first drive wheel, the both sides of first drive wheel have all meshed the second drive wheel, two sets of the equal fixed mounting of one end that the second drive wheel is opposite is run through annular accommodation chamber has first transfer line, the one end embedding that the first transfer line was kept away from of second drive wheel has the second transfer line, the second transfer line extends the one end outer wall rotation of first transfer line is connected with the screw sleeve, the second transfer line is kept away from the one end fixed mounting of first transfer line has the fixed part.

By adopting the technical scheme, the lamp is convenient to detach and install.

The bottom of the driving shaft is provided with a limiting plate, and the middle part of the upper end of the inner side of the rotating part is provided with a notch matched with the contour of the limiting plate.

By adopting the technical scheme, the driving shaft can be rotated by the rotating part.

The cross section of the driving shaft is of a round structure, the cross section of the limiting plate is of a square structure, and the cross section of the driving shaft is smaller than the cross section of the limiting plate.

By adopting the technical scheme, after the limiting plate is embedded into the notch, the rotatable rotating part enables the driving shaft to rotate.

The inner wall both sides of casing are provided with the holding tank that can hold the fixed part in the integral type, the profile of holding tank with the profile looks adaptation of fixed part.

By adopting the technical scheme, the fixing part is conveniently retracted.

The upper end of the threaded sleeve is fixedly connected with the shell through a connecting plate.

By adopting the technical scheme, the threaded sleeve is stably installed.

The subway lamp convenient to detach has the beneficial effects that:

1. the first transmission rod is driven to rotate through the engagement of the first transmission wheel and the second transmission wheel, and the second transmission rod synchronously follows the first transmission rod to rotate;

2. through setting up drive shaft and rotation portion, rotate rotation portion and take out from the casing bottom, downward pulling rotation portion rotates, makes the limiting plate of drive shaft bottom detain in the notch, can make the drive shaft rotate through rotating rotation portion to follow-up installation and dismantlement of being convenient for.

Drawings

Fig. 1 is a schematic diagram of the whole structure of a subway lamp convenient to detach;

fig. 2 is a schematic structural view of a first transmission rod and a second transmission rod of the subway lamp, which are convenient to disassemble;

fig. 3 is a schematic diagram of a driving shaft and a limiting plate structure of the lamp for the subway, which are convenient to detach;

fig. 4 is a bottom view of the housing and the rotating part of the subway lamp provided by the utility model, which are convenient to detach.

In the figure: 1. a housing; 101. a receiving groove; 2. an annular accommodating chamber; 3. a drive shaft; 301. a limiting plate; 4. a rotating part; 401. a notch; 5. a first driving wheel; 6. a second driving wheel; 7. a bearing; 8. a first transmission rod; 9. a second transmission rod; 901. a fixing part; 10. a threaded sleeve; 11. a connecting plate; 12. a lamp cap.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Referring to fig. 1-4, a subway lamp convenient to detach comprises a shell 1 and a lamp cap 12 arranged in the shell 1, wherein an annular accommodating cavity 2 is vertically arranged in the central position in the shell 1, a driving shaft 3 rotatably arranged in the shell 1 through a bearing 7 is arranged in the annular accommodating cavity 2, one end of the driving shaft 3 extending out of the bottom of the shell 1 is sleeved with a rotating part 4, the rotating part 4 is rotatably arranged at the bottom of the shell 1, a first driving wheel 5 is fixedly arranged at the upper end part of the driving shaft 3, two sides of the first driving wheel 5 are respectively meshed with a second driving wheel 6, one end parts of two groups of second driving wheels 6 opposite to each other are respectively fixedly provided with a first driving rod 8 penetrating through the annular accommodating cavity 2, one end of the first driving rod 8 far away from the second driving wheel 6 is embedded with a second driving rod 9 in a sliding manner, one end part outer wall of the second driving rod 9 extending out of the first driving rod 8 is rotatably connected with a threaded sleeve 10, and one end of the second driving rod 9 far away from the first driving rod 8 is fixedly provided with a fixing part 901;

the length of the second transmission rod 9 is longer than that of the first transmission rod 8, so that when the first transmission rod 8 rotates, the second transmission rod 9 is driven to rotate in the threaded sleeve 10, the fixing part 901 enters and exits in the shell 1, and the shape of the fixing part 901 is preferably a cuboid structure.

The bottom of the driving shaft 3 is provided with a limit plate 301, and the middle part of the inner upper end of the rotating part 4 is provided with a notch 401 which is matched with the outline of the limit plate 301; the cross section of the driving shaft 3 is of a circular structure, the cross section of the limiting plate 301 is of a square structure, and the cross section of the driving shaft 3 is smaller than the cross section of the limiting plate 301;

the rotation part 4 is pulled downwards and rotated, so that the limiting plate 301 at the bottom end of the driving shaft 3 is buckled into the notch 401, the driving shaft 3 can be rotated by rotating the rotation part 4, the rotation part 4 is rotated at the bottom of the shell 1, the rotation part 4 can be prevented from moving, and the limiting plate 301 can also be in the shape of a triangular prism, a pentagonal prism and the like.

The two sides of the inner wall of the shell 1 are uniformly provided with a containing groove 101 which can contain the fixing part 901, and the contour of the containing groove 101 is matched with the contour of the fixing part 901; the upper end part of the threaded sleeve 10 is fixedly connected with the shell 1 through a connecting plate 11;

before the fixing part 901 does not extend out of the shell 1, the fixing part 901 can be completely placed in the accommodating groove 101, the fixing part 901 is prevented from being separated from the shell 1, the installation is influenced, and in order to ensure that the two groups of fixing parts 901 are in the same inlet and outlet in the shell 1, the directions of threads of the two groups of second transmission rods 9 are opposite, and the directions of threads in the two groups of threaded sleeves 10 are opposite.

Working principle: when the lamp is installed, a notch corresponding to the fixing part 901 in the installation opening is observed in advance, after the lamp is placed in the corresponding position in the installation opening, the rotating part 4 can be taken out from the bottom of the shell 1, the rotating part 4 is pulled downwards and rotated, the limiting plate 301 at the bottom end of the driving shaft 3 is buckled into the notch 401, the driving shaft 3 can rotate through the rotating part 4, the driving shaft 3 drives the first transmission rod 8 to rotate through the meshing of the first transmission wheel 5 and the second transmission wheel 6, the second transmission rod 9 synchronously rotates along with the first transmission rod 8, and because the second transmission rod 9 is in threaded connection with the threaded sleeve 10, when the second transmission rod 9 rotates, the part in the first transmission rod 8 gradually stretches out, so that the fixing part 901 is ejected out of the accommodating groove 101, the fixing part 901 is inserted into the corresponding notch in the installation opening, then the rotating part 4 is pushed upwards, the upper end part of the rotating part 4 is embedded into the bottom end of the shell 1, and the rotating part 4 is screwed to the bottom of the shell 1, and the installation can be completed;

when the lamp is required to be disassembled, the lamp can be taken out only by reversely operating the steps.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (5)

1. The utility model provides a lamps and lanterns for subway convenient to dismantle, includes casing (1) and sets up in inside lamp holder (12) of casing (1), its characterized in that: the novel transmission device is characterized in that an annular accommodating cavity (2) is vertically arranged at the center position inside the shell (1), a driving shaft (3) rotatably arranged in the shell (1) is arranged inside the annular accommodating cavity (2) through a bearing (7), one end of the driving shaft (3) extending out of the bottom of the shell (1) is sleeved with a rotating part (4), the rotating part (4) is rotatably arranged at the bottom of the shell (1), a first driving wheel (5) is fixedly arranged at the upper end part of the driving shaft (3), second driving wheels (6) are respectively meshed with two groups of two opposite ends of the first driving wheel (6), a first driving rod (8) penetrating through the annular accommodating cavity (2) is fixedly arranged at one end part of the first driving rod (8), one end of the second driving rod (6) is embedded with a second driving rod (9) in a sliding mode, one end part outer wall of the second driving rod (9) extends out of the first driving rod (8) and is rotatably connected with a threaded sleeve (10), and the first driving rod (9) is fixedly arranged at one end of the second driving rod (901).

2. The easy-to-detach subway lamp according to claim 1, characterized in that: the bottom of the driving shaft (3) is provided with a limiting plate (301), and the middle part of the inner upper end of the rotating part (4) is provided with a notch (401) which is matched with the outline of the limiting plate (301).

3. The easy-to-detach subway lamp according to claim 2, characterized in that: the cross section of the driving shaft (3) is of a circular structure, the cross section of the limiting plate (301) is of a square structure, and the cross section of the driving shaft (3) is smaller than the cross section of the limiting plate (301).

4. The easy-to-detach subway lamp according to claim 3, wherein: the inner wall both sides of casing (1) are provided with the holding tank (101) that can hold fixed part (901) in the integral type, the profile of holding tank (101) with the profile looks adaptation of fixed part (901).

5. The easy-to-detach subway lamp according to claim 4, wherein: the upper end part of the threaded sleeve (10) is fixedly connected with the shell (1) through a connecting plate (11).