Projector lens fixing structure

Abstract

The utility model aims to disclose a projector lens fixing structure, which relates to the technical field of ceiling lamps and comprises an upper cover, a lower cover and a projector component accommodated between the upper cover and the lower cover. The projector assembly comprises a shell and a lens, the projector assembly is installed on the lower cover in an inclined mode, a first supporting part is arranged at the tail of the shell, and a second supporting part and a third supporting part are arranged on the two sides of the middle of the shell respectively; the upper cover is provided with a lens, the lower cover is provided with a lens hole, and a silica gel sleeve is installed between the lens and the lens hole, and the projector assembly is installed between the upper cover and the lower cover in a compact mode; besides, the silica gel sleeve is installed between the lens and the lens hole, on one hand, the silica gel sleeve seals a gap between the lens and the lens hole, dust leakage and light leakage are prevented, and when the projector assembly swings at an angle, the flexible silica gel sleeve can swing along with deformation under the condition that sealing is kept.

Description

Technical Field

[0001] The utility model relates to the technical field of ceiling lamps, in particular to a projector lens fixing structure. Background Art

[0002] A projection ceiling lamp is formed by installing a small projector inside a ceiling lamp, which can enrich the purpose and effect of the ceiling lamp. In the actual use of the projection ceiling lamp, if there are imperfections in the installation method of the projector inside it, especially the installation method of the lens, it may cause dust or debris to enter the projector, or cause light leakage during projection.

[0003] In view of this, it is necessary to develop a new projector lens fixing structure to overcome the above-mentioned defects. Summary of the invention

[0004] The utility model aims to disclose a projector lens fixing structure, which can provide a buffer space for the lens swing angle and prevent dust and light leakage by sealing the gap between the lens and the lens hole with a silicone sleeve.

[0005] In order to achieve the above-mentioned invention object, the utility model provides a projector lens fixing structure, comprising an upper cover, a lower cover and a projector assembly accommodated between the upper cover and the lower cover;

[0006] The projector assembly includes a housing and a lens. The projector assembly is installed on the lower cover in an inclined manner. A first supporting portion is provided at the rear of the housing, and a second supporting portion and a third supporting portion are provided at both sides of the middle of the housing.

[0007] The lower cover is provided with a lens hole, and a silicone sleeve is installed between the lens and the lens hole.

[0008] Preferably, the silicone sleeve comprises a first end, a second end and a plurality of folded portions between the first end and the second end;

[0009] The lens hole is provided with a fixing ring, the fixing ring is installed on the lower cover, the fixing ring comprises a mounting end surface, a first step and a second step, the first step is engaged with the lens hole, the first end abuts against the second step, and the second end is fixed to the mounting end surface;

[0010] An annular groove is arranged at the end of the lens, and an annular protrusion is arranged at the first end, and the annular groove and the annular protrusion are engaged with each other.

[0011] Preferably, the cross-section of the folded portion is W-shaped.

[0012] Preferably, the fixing ring is symmetrically provided with a first mounting ear and a second mounting ear.

[0013] Preferably, the second end is away from the lens.

[0014] Preferably, the first end is parallel to the second end.

[0015] Preferably, the mounting end surface is provided with a plurality of protrusions, and the second end is provided with a plurality of grooves matching with the protrusions.

[0016] Preferably, the mounting end surface is provided with a plurality of screw holes.

[0017] Preferably, disc teeth and a driving motor are arranged on the outer side of the lens.

[0018] Preferably, an LED assembly is installed at the bottom of the lower cover.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The projector assembly is installed on the lower cover in an inclined manner, and support parts are respectively arranged at the rear and the middle of the shell, so that the projector assembly can be installed between the upper cover and the lower cover in a compact manner; in addition, a silicone sleeve is installed between the lens and the lens hole. On the one hand, the silicone sleeve seals the gap between the lens and the lens hole to prevent dust and light leakage. When the projector assembly is swung at an angle, the soft silicone sleeve can deform and swing accordingly while maintaining a seal. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a cross-sectional schematic diagram of the projector lens fixing structure of the utility model.

[0022] Figure 2 For this utility model Figure 1 A is an enlarged schematic diagram of the structure.

[0023] Figure 3 It is a three-dimensional structural schematic diagram of the silicone sleeve and the fixing ring of the utility model.

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the fixing ring of the utility model.

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the silicone sleeve of the utility model.

[0026] Figure 6 It is a three-dimensional structural diagram of the projector lens fixing structure of the utility model.

[0027] Among them, 1. upper cover; 2. lower cover; 21. lens hole; 3. projector assembly; 31. shell; 311. first support part; 312. second support part; 32. lens; 321. annular groove; 322. disc teeth; 323. drive motor; 4. silicone sleeve; 41. first end; 411. annular protrusion; 42. second end; 421. groove; 43. folding part; 5. fixing ring; 51. first mounting ear; 52. second mounting ear; 53. mounting end face; 531. screw hole; 532. bump; 54. first step; 55. second step. DETAILED DESCRIPTION

[0028] The present invention is described in detail below in conjunction with the various embodiments shown in the accompanying drawings, but it should be noted that these embodiments are not limitations of the present invention, and any equivalent transformations or substitutions in functions, methods, or structures made by ordinary technicians in the field based on these embodiments are all within the scope of protection of the present invention.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0030] The specific implementation process of the present utility model is described below through multiple embodiments.

[0031] Example 1

[0032] See also Figures 1 to 6 , this embodiment discloses a specific implementation of a projector lens fixing structure.

[0033] See also Figures 1 to 6 , a projector lens fixing structure comprises an upper cover 1, a lower cover 2 and a projector assembly 3 accommodated between the upper cover 1 and the lower cover 2; the projector assembly 3 comprises a shell 31 and a lens 32, the projector assembly 3 is installed on the lower cover 2 in an inclined manner, a first supporting portion 311 is arranged at the rear of the shell 31, a second supporting portion 312 and a third supporting portion are respectively arranged on both sides of the middle of the shell 31, the second supporting portion 312 is blocked by the shell 31 and is not shown, and the inclined design of the projector assembly 3 enables it to be installed between the upper cover 1 and the lower cover 2 in a compact manner; the lower cover 2 is provided with a lens hole 21, and a silicone sleeve 4 is installed between the lens 32 and the lens hole 21.

[0034] Specifically, see Figures 1 to 6 The silicone sleeve 4 includes a first end 41, a second end 42 and a plurality of folding portions 43 between the first end 41 and the second end 42. The cross-section of the folding portion 43 is W-shaped. The folding portion 43 provides a certain deformation space for the silicone sleeve 4. The second end 42 is away from the lens, and the first end 41 is parallel to the second end 42. The lens hole 21 is installed with a fixing ring 5, and the fixing ring 5 is installed on the lower cover 2. The fixing ring 5 is symmetrically provided with a first mounting ear 51 and a second mounting ear 52. The fixing ring 5 is fixed to the lower cover 2 by the first mounting ear 51 and the second mounting ear 52. The fixing ring 5 includes a mounting end face 53, a first step 54 and a second step 55. The first step 54 is engaged with the lens hole 21, the first end 41 is against the second step 54, the second end 42 is fixed to the mounting end face 53, the mounting end face 53 is provided with a plurality of screw holes 531, and the mounting end face 5 3 is provided with a plurality of protrusions 532, and the second end 42 is provided with a plurality of grooves 421 matched with the protrusions 532. When installing the silicone sleeve 4, the grooves 421 of the second end 42 are aligned with the protrusions 532, and after engagement, the second end 42 is fastened to the fixing ring 5 by engaging the screws and the screw holes 531. In order to seal the gap between the lens 32 and the lens hole 21 to prevent dust and light leakage, the end of the lens 32 is provided with an annular groove 321, and the first end 41 is provided with an annular protrusion 411. The annular groove 321 and the annular protrusion 411 are engaged or matched, so that the gap between the lens 32 and the lens hole 21 is completely blocked by the first end 41. When the lens 32 swings up and down, the soft silicone sleeve can be deformed and swung while maintaining the seal, and no light or dust will be leaked. When the lens 32 rotates, the annular groove 321 and the annular protrusion 411 slide relative to each other, and no light or dust will be leaked.

[0035] See also Figure 6 A disc tooth 322 and a driving motor 323 are provided on the outer side of the lens 32. The driving motor 323 drives the lens 32 to rotate through the disc tooth 322 to adjust the focal length. During the rotation, the annular groove 321 and the annular protrusion 411 slide relative to each other, and no light or dust leakage occurs.

[0036] See also Figure 1 An LED component 6 is installed at the bottom of the lower cover 2, and the LED component 6 is used for lighting.

[0037] Through this embodiment: the projector assembly 3 is installed on the lower cover 2 in an inclined manner, and support parts are respectively provided at the tail and the middle of the shell 31, so that the projector assembly 3 can be installed between the upper cover 1 and the lower cover 2 in a compact manner; in addition, a silicone sleeve 4 is installed between the lens 32 and the lens hole 21. On the one hand, the silicone sleeve 4 seals the gap between the lens 32 and the lens hole 21 to prevent dust and light leakage. When the projector assembly 3 is swung at an angle, the soft silicone sleeve 4 can deform and swing accordingly while maintaining a seal.

Claims

1. A projector lens fixing structure, characterized in that: It comprises an upper cover, a lower cover and a projector assembly accommodated between the upper cover and the lower cover; The projector assembly includes a housing and a lens. The projector assembly is installed on the lower cover in an inclined manner. A first supporting portion is provided at the rear of the housing, and a second supporting portion and a third supporting portion are provided at both sides of the middle of the housing. The lower cover is provided with a lens hole, and a silicone sleeve is installed between the lens and the lens hole.

2. The projector lens fixing structure according to claim 1, characterized in that: The silicone sleeve comprises a first end, a second end and a plurality of folded portions between the first end and the second end; The lens hole is provided with a fixing ring, the fixing ring is installed on the lower cover, the fixing ring comprises a mounting end surface, a first step and a second step, the first step is engaged with the lens hole, the first end abuts against the second step, and the second end is fixed to the mounting end surface; An annular groove is arranged at the end of the lens, and an annular protrusion is arranged at the first end, and the annular groove and the annular protrusion are engaged with each other.

3. The projector lens fixing structure as claimed in claim 2, characterized in that: The cross section of the folded portion is W-shaped.

4. The projector lens fixing structure as claimed in claim 2, characterized in that: The fixing ring is symmetrically provided with a first mounting ear and a second mounting ear.

5. The projector lens fixing structure as claimed in claim 2, characterized in that: The second end is away from the lens.

6. The projector lens fixing structure as claimed in claim 2, characterized in that: The first end is parallel to the second end.

7. The projector lens fixing structure as claimed in claim 2, characterized in that: The mounting end surface is provided with a plurality of protrusions, and the second end is provided with a plurality of grooves matched with the protrusions.

8. The projector lens fixing structure as claimed in claim 2, characterized in that: The mounting end surface is provided with a plurality of screw holes.

9. The projector lens fixing structure according to any one of claims 1 to 8, characterized in that: Disc teeth and a driving motor are arranged on the outer side of the lens.

10. The projector lens fixing structure according to claim 9, characterized in that: An LED component is installed at the bottom of the lower cover.

Images