Backlight source for display screen of treadmill

Abstract

The utility model relates to the technical field of backlight sources, in particular to a backlight source for a display screen of a treadmill, which comprises a shell, a protective lens arranged on the inner side of the shell and a light-emitting plate fixed in the shell, a mounting plate is fixed on the back of the shell, vertical plates are fixed on two sides of the back of the mounting plate, a guide rod is fixed between the vertical plates, and the guide rod is fixed on the shell. The surface of the guide rod is sleeved with at least two springs, clamping plates are slidably connected to the two sides of the surface of the guide rod, the two ends of each spring abut against the surfaces of the vertical plates and the surfaces of the clamping plates correspondingly, and clamping grooves are formed in the surfaces of the clamping plates. The clamping grooves in the clamping plate are matched with the springs to be clamped at the two ends of the rotating rod so as to achieve quick disassembly of the backlight source, the rotary knob can drive the rotating rod to rotate through the driving bevel gear and the driven bevel gear, the rotating rod can achieve angle adjustment of the backlight source, and the worm gear and the worm can achieve the self-locking function. And the angle of the backlight source is fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of backlight sources, in particular to a backlight source for a treadmill display screen. Background Art

[0002] With the improvement of people's living standards and the promotion of national fitness, the use of fitness equipment can help people exercise conveniently without being restricted by the venue, especially treadmills, which are deeply loved by people. Currently, most treadmills on the market use LCD screens to display the relevant functions of the treadmill, and the backlight source in the middle of the display screen is mainly provided by LED light source.

[0003] The current backlight source adopts an LED backlight source, and a number of LED lamp beads are installed inside the backlight source. For example, China Patent Publication No. "CN213601019U" discloses an LED backlight source for a treadmill display screen, including a backlight source, and the backlight source is composed of an upper backlight plate, a lower backlight plate and an acrylic plate. A slide groove is opened on the inner side of the shell of the backlight source, and the backlight source is slidably connected to the water-absorbing dust cover through the slide groove; the water-absorbing dust cover includes a left shell and a right shell, and a clamping structure is provided at the interface of the left shell and the right shell, and the outer surface of the interface of the left shell and the right shell is fixedly connected with a reinforcement structure.

[0004] The backlight source of current treadmill display screens is fixed on the back of the treadmill, and the angle cannot be adjusted during use. During use, the treadmill is easily affected by external light sources, causing reflections, thereby causing unclear viewing and affecting use. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art that the angle cannot be adjusted during use, and it is easy to be affected by external light sources during use to cause reflection and thus cause unclear vision, and to propose a backlight source for a treadmill display screen.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A backlight source for a treadmill display screen is designed, comprising a shell, a protective lens arranged on the inner side of the shell and a light-emitting panel fixed inside the shell, a mounting plate is fixed to the back side of the shell, vertical plates are fixed to both sides of the back side of the mounting plate, a guide rod is fixed between the vertical plates, at least two springs are sleeved on the surface of the guide rod, clamping plates are slidably connected to both sides of the surface of the guide rod, two ends of the spring respectively contact with the surface of the vertical plate and the clamping plate, a clamping groove is opened on the surface of the clamping plate, and an adjustment mechanism is movably connected between the clamping plates.

[0008] Furthermore, the adjustment mechanism includes a fixed shell, a rotating rod is rotatably connected inside the fixed shell, the rotating rod is movably connected to the slot, limiting plates are fixed on both sides of the surface of the rotating rod, and a transmission limiting assembly is provided between the rotating rod and the fixed shell.

[0009] Furthermore, the transmission limit assembly includes a worm wheel and a worm, the worm wheel is fixed to the surface of the rotating rod, the worm is rotatably connected to the inner side of the fixed shell, the worm wheel and worm are meshingly connected, a driven bevel gear is fixed on the surface of the worm, a knob is rotatably connected to the surface of the fixed shell, an active bevel gear is fixed on the inner side of the knob, and the active bevel gear is meshingly connected to the driven bevel gear.

[0010] Furthermore, the surface of the rotating rod is symmetrically distributed with limit strips, the inner side of the clamping slot is provided with a limit groove, and the limit strip is movably connected to the limit groove.

[0011] Furthermore, a convex strip is provided on the surface of the guide rod, and the convex strip is slidably connected to the clamping plate.

[0012] Furthermore, protrusions are fixed on both the upper and lower sides of the clamping plate, and the edges of the protrusions are provided with chamfered structures.

[0013] The utility model proposes a backlight source for a treadmill display screen, which has the beneficial effect that the utility model can be clamped on both ends of a rotating rod through a clamping groove on a clamping plate and a spring to achieve rapid disassembly of the backlight source, and the knob can drive the rotating rod to rotate through the active bevel gear and the driven bevel gear, the rotating rod can adjust the angle of the backlight source, and the worm wheel and the worm can achieve a self-locking function to fix the angle of the backlight source. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 3 It is a three-dimensional schematic diagram of the adjustment mechanism of the utility model;

[0017] Figure 4 For this utility model Figure 3 A partial enlarged view of point A in the middle.

[0018] In the figure: 1. shell; 2. protective lens; 3. light-emitting board; 4. mounting plate; 5. vertical plate; 6. guide rod; 7. spring; 8. clamping plate; 9. clamping slot; 10. adjustment mechanism; 101. fixed shell; 102. rotating rod; 103. limit plate; 11. transmission limit assembly; 111. worm gear; 112. worm; 113. driven bevel gear; 114. knob; 115. active bevel gear; 12. limit strip; 13. limit slot; 14. convex strip; 15. convex block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-4 A backlight source for a treadmill display screen, comprising a housing 1, a protective lens 2 arranged inside the housing 1, and a light-emitting board 3 fixed inside the housing. The light-emitting board 3 adopts the technical principle and technical solution of the existing backlight source. A mounting plate 4 is fixed on the back of the housing 1, and vertical plates 5 are fixed on both sides of the back of the mounting plate 4. A guide rod 6 is fixed between the vertical plates 5. At least two springs 7 are sleeved on the surface of the guide rod 6. Both sides of the surface of the guide rod 6 are slidably connected with a clamping plate 8. The two ends of the spring 7 are respectively connected to the vertical plate 5 and the clamping plate 8. The surface of the clamping plate 8 conflicts with the surface, and a clamping groove 9 is provided on the surface of the clamping plate 8, and an adjustment mechanism 10 is movably connected between the clamping plates 8; the backlight source can be clamped at both ends of the rotating rod 102 through the clamping groove 9 on the clamping plate 8 and the spring 7, so as to realize the rapid disassembly of the backlight source, and the knob 114 can drive the rotating rod 102 to rotate through the active bevel gear 115 and the driven bevel gear 113, the rotating rod 102 can realize the angle adjustment of the backlight source, and the worm wheel 111 and the worm 112 can realize the self-locking function to fix the angle of the backlight source.

[0021] In this embodiment, the adjustment mechanism 10 includes a fixed shell 101, and the fixed shell 101 is internally rotatably connected to a rotating rod 102, the rotating rod 102 is movably connected to the card slot 9, and limiting plates 103 are fixed on both sides of the surface of the rotating rod 102. A transmission limiting assembly 11 is provided between the rotating rod 102 and the fixed shell 101. The rotating rod 102 can drive the backlight source to rotate, and the rotating rod 102 can realize the angle adjustment of the backlight source.

[0022] Furthermore, the transmission limiting assembly 11 includes a worm wheel 111 and a worm 112, the worm wheel 111 is fixed to the surface of the rotating rod 102, the worm 112 is rotatably connected to the inner side of the fixed shell 101, the worm wheel 111 and the worm 112 are meshingly connected, a driven bevel gear 113 is fixed to the surface of the worm 112, a knob 114 is rotatably connected to the surface of the fixed shell 101, an active bevel gear 115 is fixed to the inner side of the knob 114, the active bevel gear 115 is meshingly connected to the driven bevel gear 113, the worm wheel 111 and the worm 112 can realize a self-locking function to fix the angle of the backlight source.

[0023] Furthermore, the surface of the rotating rod 102 is symmetrically distributed with limit strips 12, and the inner side of the clamping slot 9 is provided with a limit slot 13, and the limit strip 12 is movably connected with the limit slot 13. The limit strip 12 can lock the rotating rod 102 to prevent the clamping plate 8 on the surface of the rotating rod 102 from rotating.

[0024] In addition, a convex strip 14 is provided on the surface of the guide rod 6, and the convex strip 14 is slidably connected to the clamping plate 8. The convex strip 14 can lock the guide rod 6 to prevent the backlight source from rotating.

[0025] It should be noted that protrusions 15 are fixed on both the upper and lower sides of the clamping plate 8. The edges of the protrusions 15 are provided with chamfered structures. The protrusions 15 can fit the fingers, making it convenient for the staff to pull the clamping plate 8 to both sides.

[0026] Working method: When adjusting the angle of the backlight source, the staff only needs to rotate the knob 114 by hand, and the knob 114 can drive the driven bevel gear 113 to rotate through the active bevel gear 115, and the driven bevel gear 113 can drive the worm 112 to rotate, and the worm 112 can drive the worm wheel 111 to rotate, and the worm wheel 111 can drive the rotating rod 102 to rotate, thereby driving the backlight source to rotate. When the backlight source needs to be removed, it is only necessary to use the hand to fit the protrusion 15 to push the clamping plate 8 outward, and the clamping plate 8 can squeeze the spring 7. The clamping plate 8 can be removed from both ends of the rotating rod 102 to complete the disassembly of the backlight source.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A backlight source for a treadmill display screen, comprising a housing (1), a protective lens (2) arranged inside the housing (1), and a light-emitting panel (3) fixed inside the housing, characterized in that: A mounting plate (4) is fixed on the back of the housing (1), vertical plates (5) are fixed on both sides of the back of the mounting plate (4), a guide rod (6) is fixed between the vertical plates (5), at least two springs (7) are sleeved on the surface of the guide rod (6), clamping plates (8) are slidably connected on both sides of the surface of the guide rod (6), two ends of the spring (7) are respectively in contact with the surface of the vertical plate (5) and the clamping plate (8), a clamping groove (9) is provided on the surface of the clamping plate (8), and an adjustment mechanism (10) is movably connected between the clamping plates (8).

2. A backlight source for a treadmill display screen according to claim 1, characterized in that: The adjustment mechanism (10) comprises a fixed shell (101), the fixed shell (101) is rotatably connected to a rotating rod (102) inside, the rotating rod (102) is movably connected to the slot (9), limiting plates (103) are fixed on both sides of the surface of the rotating rod (102), and a transmission limiting assembly (11) is provided between the rotating rod (102) and the fixed shell (101).

3. The backlight source for a treadmill display screen according to claim 2, characterized in that: The transmission limit assembly (11) comprises a worm wheel (111) and a worm (112); the worm wheel (111) is fixed to the surface of the rotating rod (102); the worm (112) is rotatably connected to the inner side of the fixed housing (101); the worm wheel (111) and the worm (112) are meshingly connected; a driven bevel tooth (113) is fixed to the surface of the worm (112); a knob (114) is rotatably connected to the surface of the fixed housing (101); a driving bevel tooth (115) is fixed to the inner side of the knob (114); and the driving bevel tooth (115) is meshingly connected to the driven bevel tooth (113).

4. The backlight source for a treadmill display screen according to claim 2, characterized in that: The surface of the rotating rod (102) is symmetrically distributed with limit strips (12), the inner side of the clamping slot (9) is provided with a limit slot (13), and the limit strip (12) is movably connected to the limit slot (13).

5. The backlight source for a treadmill display screen according to claim 1, characterized in that: The surface of the guide rod (6) is provided with a convex strip (14), and the convex strip (14) is slidably connected to the clamping plate (8).

6. The backlight source for a treadmill display screen according to claim 1, characterized in that: The clamping plate (8) is fixed with protrusions (15) on both the upper and lower sides, and the edges of the protrusions (15) are provided with chamfered structures.

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