Headlamp dismounting and mounting structure of harvester

Abstract

The utility model relates to the technical field of harvester headlamps, in particular to a harvester headlamp dismounting and mounting structure which comprises a shell and a lampshade, an annular groove is formed in the right side of the shell, an O-shaped sealing ring extruded with the left side of the lampshade is installed in the annular groove, the outer wall of the shell is fixedly connected with a first connecting ring, and the outer wall of the shell is fixedly connected with a second connecting ring. A second connecting ring is fixedly connected to the outer wall of the lampshade, supporting plates are fixedly connected to the upper side and the lower side of the outer wall of the second connecting ring correspondingly, and rotating shafts are rotationally connected to the left sides of the two supporting plates correspondingly; two screws are rotated, two limiting columns enter two limiting holes, and the two limiting holes are extruded, so that the lampshade and the O-shaped sealing ring are tightly extruded, the lampshade is mounted while the shell and the lampshade are sealed, and when the lampshade needs to be dismounted, the operation is carried out in opposite steps, and the operation is convenient. And when the light source needs to be replaced, the effect of conveniently disassembling and assembling the lampshade is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of harvester headlights, in particular to a harvester headlight disassembly and assembly structure. Background Art

[0002] As a mechanized production equipment, the harvester has many functions: its efficiency is many times higher than manual harvesting; it reduces labor intensity; it reduces human casualties and accidents; it improves the quality of operations and harvests crops more completely; it saves manpower, material resources and time, reduces waste of human resources, and brings economic benefits to agricultural production. In order to adapt to night operations, headlights are needed for lighting.

[0003] In the prior art, in order to prevent the entry of rainwater, the headlight cover and the shell are usually sealed, specifically, the headlight cover and the shell are fixed by adhesive bonding; however, this method is not convenient for disassembling and assembling the headlight cover when replacing the light source later. Therefore, it is necessary to propose a harvester headlight disassembly and assembly structure to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to provide a harvester headlamp disassembly and assembly structure, which has the characteristic of being convenient for disassembly and assembly of the lampshade when the light source needs to be replaced.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a harvester headlamp disassembly and assembly structure, comprising a shell and a lampshade, an annular groove is provided on the right side of the shell, an O-ring extruded with the left side of the lampshade is installed inside the annular groove, a first connecting ring is fixedly connected to the outer wall of the shell, a second connecting ring is fixedly connected to the outer wall of the lampshade, support plates are fixedly connected to the upper and lower sides of the outer wall of the second connecting ring, the left sides of the two support plates are rotatably connected to rotating shafts, the left ends of the two rotating shafts are fixedly connected to movable plates, the left sides of the two movable plates are penetrated by and threadedly connected with screws, the right ends of the two screws are fixedly connected to limit columns, and limit holes are provided on the upper and lower sides of the left end of the first connecting ring, and the other ends of the two limit columns extend to the inside of the two limit holes.

[0006] In order to facilitate the positioning of the installation position of the lampshade, as a preferred disassembly and assembly structure of a harvester headlight of the utility model, the right end of the first connecting ring is provided with two positioning holes distributed up and down, and the left end of the second connecting ring is fixedly connected with positioning rods which extend into the two positioning holes and match them respectively.

[0007] In order to prevent rainwater from entering the interior of the cylinder through the two through holes, as a preferred disassembly and assembly structure of a harvester headlight of the utility model, the left side of the shell is fixedly connected to the cylinder, the left end of the cylinder is penetrated by a rubber plate, the outer wall of the rubber plate is provided with two through holes, and the insides of the two through holes are tightly connected with wires.

[0008] In order to facilitate the rotation of the two screw rods separately, as a preferred structure for disassembling and assembling a harvester headlight of the utility model, knobs are fixedly connected to the left sides of the two screw rods.

[0009] In order to facilitate the installation and fixation of the device on the headlight installation position of the harvester, as a preferred harvester headlight disassembly and assembly structure of the utility model, the outer wall of the cylinder is fixedly connected with a mounting ring.

[0010] In order to facilitate the two positioning rods to enter the interior of the two positioning holes respectively, as a preferred disassembly and assembly structure of a harvester headlight of the utility model, the left ends of the two positioning rods are both hemispherical structures.

[0011] In order to achieve an anti-slip effect when turning the two knobs, as a preferred structure for disassembling and assembling a harvester headlight of the utility model, the outer walls of the two knobs are provided with anti-slip patterns.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] When the lampshade needs to be installed, the lampshade is placed against the right side of the O-ring, and the two limiting posts are rotated along the two rotating shafts to the positions corresponding to the two limiting holes, and then the two screws are rotated to make the two limiting posts enter the inside of the two limiting holes, and the two limiting holes are squeezed, so that the lampshade and the O-rings can be squeezed tightly, and the installation of the lampshade is completed while the shell and the lampshade are sealed. When the lampshade needs to be disassembled, the two limiting posts are disengaged from the inside of the two limiting holes in the opposite steps, and then the two limiting posts are rotated to the direction opposite to the two limiting holes, and then the lampshade can be removed, and then when the light source needs to be replaced, the lampshade can be easily disassembled and assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall front cross-sectional view of the utility model;

[0015] Figure 2 For the utility model Figure 1 Enlarged view of point A in the middle;

[0016] Figure 3 This is a connection structure diagram of the housing of the utility model;

[0017] Figure 4This is the external structure diagram of the installation ring of the utility model.

[0018] In the figure: 1. shell; 2. lampshade; 3. annular groove; 4. O-ring; 5. first connecting ring; 6. second connecting ring; 7. support plate; 8. rotating shaft; 9. movable plate; 10. screw rod; 11. limiting hole; 12. limiting column; 13. knob; 14. cylinder; 15. rubber sheet; 16. through hole; 17. wire; 18. mounting ring; 19. positioning hole; 20. positioning rod. DETAILED DESCRIPTION

[0019] See also Figures 1 to 4 A harvester headlamp disassembly and assembly structure comprises a shell 1 and a lampshade 2. An annular groove 3 is provided on the right side of the shell 1. An O-ring 4 which is pressed against the left side of the lampshade 2 is installed inside the annular groove 3. A first connecting ring 5 is fixedly connected to the outer wall of the shell 1. A second connecting ring 6 is fixedly connected to the outer wall of the lampshade 2. Support plates 7 are fixedly connected to the upper and lower sides of the outer wall of the second connecting ring 6. A rotating shaft 8 is rotatably connected to the left sides of the two supporting plates 7. The left ends of the two rotating shafts 8 are fixedly connected to movable plates 9. Screws 10 are penetrated and threadedly connected to the left sides of the two movable plates 9. The right ends of the two screws 10 are fixedly connected to limit columns 12. Limiting holes 11 are provided on the upper and lower sides of the left end of the first connecting ring 5. The other ends of the two limit columns 12 extend to the inside of the two limit holes 11.

[0020] In this embodiment, when the lampshade 2 needs to be installed, the lampshade 2 is placed against the right side of the O-ring 4, and then the two movable plates 9 are rotated along with the two rotating shafts 8, and at the same time, the two screws 10 and the two limiting posts 12 are rotated until the two limiting posts 12 correspond to the positions of the two limiting holes 11, and then the two screws 10 are rotated, so that the two limiting posts 12 can enter the inside of the two limiting holes 11 during the rightward movement, and then the limiting posts 12 squeeze the two limiting holes 11, so that the two support plates 7 and the second connecting ring 6 can be moved. And the lampshade 2 is pulled to the left, so that the lampshade 2 and the O-ring 4 can be tightly squeezed, so that the shell 1 and the lampshade 2 can be sealed to prevent rainwater from entering the interior, and the installation of the lampshade 2 is completed. When the lampshade 2 needs to be disassembled, the two limit columns 12 are disengaged from the inside of the two limit holes 11 in the opposite steps, and then the two limit columns 12 are rotated along the two rotating shafts 8 to the direction opposite to the two limit holes 11, and then the lampshade 2 can be removed, and then when the light source needs to be replaced, the lampshade 2 can be easily disassembled and assembled.

[0021] As a technical optimization solution of the utility model, the right end of the first connecting ring 5 is provided with two positioning holes 19 distributed vertically, and the left end of the second connecting ring 6 is fixedly connected with positioning rods 20 extending into the two positioning holes 19 and matching therewith.

[0022] In this embodiment, by providing two positioning holes 19 and two positioning rods 20 respectively matching therewith, the installation position of the lampshade 2 can be positioned.

[0023] As a technical optimization solution of the utility model, a cylinder 14 is fixedly connected to the left side of the shell 1, and a rubber plate 15 is penetrated and connected to the left end of the cylinder 14. The outer wall of the rubber plate 15 is provided with two through holes 16, and the insides of the two through holes 16 are tightly connected with wires 17.

[0024] In this embodiment, the wires 17 are passed through the two through holes 16 , and the two wires 17 can be compressed and sealed due to the elasticity of the rubber sheet 15 , thereby further preventing rainwater from entering the interior of the cylinder 14 through the two through holes 16 .

[0025] As a technical optimization solution of the present invention, a knob 13 is fixedly connected to the left side of the two screw rods 10 .

[0026] In this embodiment, two knobs 13 are provided to facilitate rotating the two screw rods 10 respectively.

[0027] As a technical optimization solution of the present utility model, a mounting ring 18 is fixedly connected to the outer wall of the cylinder 14 .

[0028] In this embodiment: a mounting ring 18 is provided to facilitate the installation and fixation of the device at the headlight installation position of the harvester.

[0029] As a technical optimization solution of the present invention, the left ends of the two positioning rods 20 are both hemispherical structures.

[0030] In this embodiment, by setting the left ends of the two positioning rods 20 to be hemispherical structures, the two positioning rods 20 can be easily inserted into the two positioning holes 19 respectively.

[0031] As a technical optimization solution of the present invention, the outer walls of the two knobs 13 are both provided with anti-slip grooves.

[0032] In this embodiment, anti-skid patterns are provided to prevent skidding when the two knobs 13 are turned.

[0033] Working principle: When the lampshade 2 needs to be installed, firstly, the two positioning rods 20 are respectively inserted into the two positioning holes 19, and then the installation position of the lampshade 2 can be positioned, so that the lampshade 2 can be leaned against the right side of the O-ring 4, and then the two movable plates 9 are respectively rotated with the two rotating shafts 8, and at the same time, the two screws 10 and the two limiting columns 12 are rotated until the positions of the two limiting columns 12 correspond to the positions of the two limiting holes 11, and then the two screws 10 are rotated by the two knobs 13, so that the two limiting columns 12 can enter the inside of the two limiting holes 11 in the process of moving to the right, and then squeezed by the limiting columns 12. The two limiting holes 11 are pressed, so that the two support plates 7, the second connecting ring 6 and the lampshade 2 can be tightened to the left, and then the lampshade 2 and the O-ring 4 can be squeezed tightly, so that the shell 1 and the lampshade 2 can be sealed to prevent rainwater from entering the interior thereof, and the installation of the lampshade 2 is completed. When the lampshade 2 needs to be disassembled, the two limiting columns 12 are disengaged from the interior of the two limiting holes 11 in the opposite steps, and then the two limiting columns 12 are rotated along the two rotating shafts 8 to the direction opposite to the two limiting holes 11, and then the lampshade 2 can be removed, and then when the light source needs to be replaced, the lampshade 2 can be easily disassembled and assembled.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A harvester headlamp disassembly and assembly structure, comprising a housing (1) and a lampshade (2), characterized in that: The right side of the shell (1) is provided with an annular groove (3), the inside of the annular groove (3) is provided with an O-ring (4) which is pressed against the left side of the lampshade (2), the outer wall of the shell (1) is fixedly connected with a first connecting ring (5), the outer wall of the lampshade (2) is fixedly connected with a second connecting ring (6), the upper and lower sides of the outer wall of the second connecting ring (6) are fixedly connected with support plates (7), the left sides of the two support plates (7) are rotatably connected with rotating shafts (8), the left ends of the two rotating shafts (8) are fixedly connected with movable plates (9), the left sides of the two movable plates (9) are penetrated by screw rods (10) and are threadedly connected, the right ends of the two screw rods (10) are fixedly connected with limiting columns (12), the upper and lower sides of the left end of the first connecting ring (5) are provided with limiting holes (11), the other ends of the two limiting columns (12) extend into the inside of the two limiting holes (11).

2. The harvester headlamp disassembly and assembly structure according to claim 1, characterized in that: The right end of the first connecting ring (5) is provided with two positioning holes (19) distributed vertically, and the left end of the second connecting ring (6) is fixedly connected with positioning rods (20) which extend into the two positioning holes (19) and match the two positioning holes (19).

3. The harvester headlamp disassembly and assembly structure according to claim 1, characterized in that: A cylinder (14) is fixedly connected to the left side of the shell (1), a rubber plate (15) is penetrated and connected to the left end of the cylinder (14), two through holes (16) are formed on the outer wall of the rubber plate (15), and the insides of the two through holes (16) are tightly connected to wires (17).

4. The harvester headlamp disassembly and assembly structure according to claim 1, characterized in that: The left sides of the two screw rods (10) are both fixedly connected with knobs (13).

5. The harvester headlamp disassembly and assembly structure according to claim 3, characterized in that: The outer wall of the cylinder (14) is fixedly connected with a mounting ring (18).

6. The harvester headlamp disassembly and assembly structure according to claim 2, characterized in that: The left ends of the two positioning rods (20) are both hemispherical structures.

7. The harvester headlamp disassembly and assembly structure according to claim 4, characterized in that: The outer walls of the two knobs (13) are both provided with anti-slip grooves.

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