CN106287585B

CN106287585B - Projection lamp

Info

Publication number: CN106287585B
Application number: CN201610945330.7A
Authority: CN
Inventors: 程遥飞; 潘方亮
Original assignee: Shanghai Comnex Signal Co ltd
Current assignee: Shanghai Comnex Signal Co ltd
Priority date: 2016-10-26
Filing date: 2016-10-26
Publication date: 2023-03-10
Anticipated expiration: 2036-10-26
Also published as: CN106287585A

Abstract

The invention relates to a projection lamp, which comprises a shell, wherein a circuit board and a lens assembly are arranged in the shell, the shell comprises a shell front cover and a shell rear cover, the shell front cover comprises a first end cover and an inner side wall which is integrally arranged with the first end cover, the shell rear cover comprises a second end cover and an outer side wall which is integrally arranged with the second end cover, the end part of the inner side wall, which is far away from the first end cover, is in a first shape, a sealing gasket is arranged between the shell front cover and the shell rear cover, the sealing gasket is in the first shape, an elastic body is arranged on the inner side wall, when the shell front cover is matched with the shell rear cover, the elastic body is deformed inwards to enable the inner side wall to enter the shell rear cover more easily, and meanwhile, the sealing gasket is abutted against the inner surface of the second end cover to form a first cavity for installing the lens assembly and the circuit board.

Description

Projection lamp

Technical Field

The invention relates to the field of automobile atmosphere lamps, in particular to a projection lamp.

Background

Projection lamp, generally be used for interior decoration of car and illumination, improve atmosphere in the car, and its principle is lamp body projection light source to lens subassembly through setting up on the circuit board, then throw by the lens subassembly and correspond the light beam, play the effect of throwing and corresponding image, it is steady to fix the image of guaranteeing the projection generally, can not shake, it is comparatively firm convenient to fix, but also caused certain problem equally, one the antidetonation effect of casing is not good, the vibration volume produces the influence to the inside lens subassembly of casing very easily, the water-proof effects of two casings is not good.

Disclosure of Invention

The invention aims to provide a projection lamp with better shock resistance and waterproof effect, and solves the technical problems;

the technical problem solved by the invention can be realized by adopting the following technical scheme: the utility model provides a projection lamp, includes the casing, inside circuit board and the lens subassembly of being provided with of casing, be provided with lens on the casing, the casing includes casing protecgulum and casing back cover, the casing protecgulum include first end cover and with the integrative inside wall that sets up of first end cover, the casing back cover include second end cover and with the integrative lateral wall that sets up of second end cover, the inside wall deviates from the tip of first end cover is first shape, the casing protecgulum with be provided with seal ring between the casing back cover, seal ring has first shape, the inside wall is provided with the elastomer, works as the casing protecgulum with when the casing back cover cooperates, the elastomer is inside to be out so that the inside wall gets into the casing back cover more easily, simultaneously seal ring with the internal surface conflict of second end cover forms one and is used for the installation the first cavity of lens subassembly and circuit board, the pattern is predetermine to be provided with in the lens subassembly, when lamp body work on the circuit board produces the light source, the lens subassembly is received the light source will predetermine the pattern and pass through lens throws out the casing.

Firstly, such mounting structure makes the first cavity of cooperation formation between casing protecgulum and the casing hou gai, except two end covers, the side is by two-layer lateral wall cladding, simultaneously it is fixed through seal ring between the internal surface of lid behind inside wall and the second, thus, form a seal structure, make inside liquid can not get into first cavity from the junction, guarantee inside device safety, on this basis, just can change original cooperation structure into the joint structure that forms through the elastomer deformation, on guaranteeing that casing protecgulum and casing hou gai are fixed firm basis, antidetonation buffering effect is better, set up the elastomer and the gap that produces can play the cushioning effect to the vibration volume, and the gap seals through seal ring, play waterproof effect simultaneously, further can play the guard action to inside predetermined pattern.

Furthermore, a shockproof gasket is arranged between the circuit board and the lens assembly, and the shockproof gasket is provided with a yielding hole so that a light source generated by a display device of the circuit board can be projected to the lens assembly. Through the setting of the shockproof gasket, the display device can be projected to the lens assembly, and meanwhile, the influence on the lens assembly when vibration is generated can be reduced, and the display effect is improved.

Furthermore, a first mounting hole is formed in the inner surface of the inner side wall in an inward protruding mode, a second mounting hole is formed in the outer surface of the outer side wall in an inward recessed mode, and the first mounting hole and the second mounting hole are in threaded connection through a first screw. Through the cooperation setting of two mounting holes, can improve casing installation intensity for the casing protecgulum is difficult for breaking away from with the casing back lid.

Further, the first screw is a self-tapping screw. Tapping screw compares in normal screw for first mounting hole and second mounting hole need not set up the screw thread, simple to operate, and simultaneously, the clearance between screw and the screw thread is less, can improve the installation intensity.

Furthermore, the sealing washer is provided with a first yielding hole corresponding to the first mounting hole. Through the setting in first hole of stepping down, also play limiting displacement to seal ring, can prevent that seal ring from ageing to slide, form the stress point behind seal ring and casing between the lid for vibration transmits easily to seal ring and play the effect of buffering.

Further, the number of the first mounting holes is two. Through the setting of two mounting holes, guarantee fixed firm.

Further, the casing rear cover is provided with a heat dissipation structure, the heat dissipation structure comprises a plurality of heat dissipation edges arranged on the second end cover, and heat dissipation gaps are formed among the heat dissipation edges. Through heat radiation structure for the lid possesses the radiating effect behind the casing, improves life.

Further, the lid is provided with the wire hole behind the casing, the circuit board is connected with single core plastic line, be provided with the sealing plug on the single core plastic line, work as single core plastic line wears to locate during the wire hole, the sealing plug with the inner wall interference fit in wire hole. Through the setting of walking line hole and sealing plug, can satisfy under the condition of walking the line, improve sealed effect, further guarantee sealed and waterproof performance.

Further, the circuit board includes mutually perpendicular's first plate body and second plate body, the inside wall still is provided with two joint arriss, the joint arris and the surface of first mounting hole forms the joint structure, works as first plate body inserts during the joint structure, two joint arriss support respectively the both ends of first plate body one side, the surface of second mounting hole supports the central line department of first plate body opposite side. Through two plate bodies that set up perpendicularly, and fix first plate body through existing first mounting hole and joint arris, improve life and fixed effect.

Furthermore, the shell rear cover is also clamped with a connector shell.

Has the advantages that: by adopting the technical scheme, the sealing structure is formed, so that liquid cannot enter the first cavity from the joint, the safety of internal devices is guaranteed, on the basis, the original matching structure can be changed into a clamping structure formed by deformation of the elastic body, the front cover and the rear cover of the shell are firmly fixed, the anti-seismic buffering effect is better, the gap generated by arrangement of the elastic body can play a role in buffering vibration, and the gap is sealed by the sealing washer, so that the waterproof effect is achieved.

Drawings

Fig. 1 is an exploded view of a projection lamp according to the present invention.

Reference numerals are as follows: 100. a housing front cover; 110. a first end cap; 120. an inner sidewall; 130. an elastomer; 121. a first mounting hole; 122. clamping edges; 200. a lens assembly; 300. a sealing gasket; 310. a first abdicating hole; 400. a shockproof pad; 500. a circuit board; 510. a first plate body; 520. a second plate body; 600. a housing rear cover; 610. a second end cap; 611. a heat dissipation edge; 620. an outer sidewall; 621. a second mounting hole; 700. a single core rubber wire; 710. a sealing plug; 800. a connector housing; 900. a self-tapping screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.

Referring to fig. 1, a projection lamp includes a housing, a circuit board 500 and a lens assembly 200 are disposed inside the housing, the housing includes a housing front cover 100 and a housing rear cover 600, the housing front cover 100 is made of plastic, and is provided with a lens thereon, and the housing rear cover 600 is made of aluminum alloy, which facilitates heat dissipation, the housing front cover 100 includes a first end cover 110 and an inner side wall 120 integrally disposed with the first end cover 110, the housing rear cover 600 includes a second end cover 610 and an outer side wall 620 integrally disposed with the second end cover 610, an end of the inner side wall 120 facing away from the first end cover 110 is a first shape, a sealing gasket 300 is disposed between the housing front cover 100 and the housing rear cover 600, the sealing gasket 300 has a first shape, the inner side wall 120 is provided with an elastic body 130, when the housing front cover 100 is matched with the housing rear cover 600, the elastic body 130 is inwardly deformed to make the inner side wall 120 more easily enter the housing rear cover 600, and the sealing gasket 300 abuts against an inner surface of the second end cover 610 to form a first chamber for mounting the lens assembly 200 and the circuit board 500. The lens assembly has a predetermined pattern disposed therein, and when the lamp body on the circuit board 500 works to generate a light source, the lens assembly 200 receives the light source to project the predetermined pattern out of the housing. The preset pattern may preferably be provided as a house brand pattern.

Between the circuit board 500 and the lens assembly 200 is disposed a shock-proof pad 400, wherein the shock-proof pad 400 is disposed with a hole to allow a light source generated by a display device of the circuit board 500 to be projected onto the lens assembly 200. Through the setting of shockproof gasket 400, can make display device project lens subassembly 200, simultaneously, can reduce when the vibration produces, to lens subassembly 200's influence, improve the display effect. The inner surface of the inner sidewall 120 is formed with a first mounting hole 121 protruding inward, the outer surface of the outer sidewall 620 is formed with a second mounting hole 621 recessed inward, and the first mounting hole 121 and the second mounting hole 621 are threadedly coupled by a first screw. By the fitting arrangement of the two mounting holes, the housing mounting strength can be improved, so that the housing front cover 100 and the housing rear cover 600 are not easily detached.

The first screw is a self-tapping screw 900, preferably provided as a cross-recessed pan head self-tapping screw 900. Tapping screw 900 compares in normal screw for first mounting hole 121 and second mounting hole 621 need not set up the screw thread, simple to operate, and simultaneously, the clearance between screw and the screw thread is less, can improve the installation intensity.

The sealing gasket 300 is provided with a first relief hole 310 corresponding to the first mounting hole 121. Through the setting of first hole 310 of stepping down, also play limiting displacement to seal ring 300, can prevent seal ring 300 ageing slip, form the stress point behind seal ring 300 and casing between lid 600 for the vibration transmits seal ring 300 easily and plays the effect of buffering.

The first mounting holes 121 are provided in two. Through the setting of two mounting holes, guarantee fixed firm.

Further, the housing rear cover 600 is provided with a heat dissipation structure, the heat dissipation structure includes a plurality of heat dissipation ribs 611 arranged on the second end cover 610, and a heat dissipation gap is formed between the heat dissipation ribs 611. Through heat radiation structure for lid 600 possesses the radiating effect behind the casing, improves life.

Further, the casing rear cover 600 is provided with a wiring hole, the circuit board 500 is connected with a single-core plastic wire, the single-core plastic wire is provided with a sealing plug 710, and when the single-core plastic wire penetrates through the wiring hole, the sealing plug 710 is in interference fit with the inner wall of the wiring hole. Through the setting of walking line hole and sealing plug 710, can satisfy under the condition of walking the line, improve sealed effect, further guarantee sealed and waterproof performance.

The circuit board 500 includes a first board body 510 and a second board body 520 that are perpendicular to each other, the inner side wall 120 is further provided with two clamping ribs 122, the outer surfaces of the clamping ribs 122 and the first mounting hole 121 form a clamping structure, when the first board body 510 is inserted into the clamping structure, the two clamping ribs 122 respectively abut against two ends of one side of the first board body 510, and the outer surface of the second mounting hole 621 abuts against a central line of the other side of the first board body 510. Through two plate bodies of perpendicular setting, and fix first plate body 510 through existing first mounting hole 121 and joint arris 122, improve life and fixed effect. The housing rear cover 600 is also snap-fitted with a connector housing 800.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a projection lamp, includes the casing, inside circuit board and the lens subassembly of being provided with of casing, be provided with lens, its characterized in that on the casing:

the shell comprises a shell front cover and a shell rear cover, the shell front cover comprises a first end cover and an inner side wall which is integrally arranged with the first end cover, the shell rear cover comprises a second end cover and an outer side wall which is integrally arranged with the second end cover, the end part of the inner side wall, which is far away from the first end cover, is in a first shape, a sealing gasket is arranged between the shell front cover and the shell rear cover, the sealing gasket is in the first shape, an elastic body is arranged on the inner side wall, when the shell front cover is matched with the shell rear cover, the elastic body deforms inwards to enable the inner side wall to enter the shell rear cover more easily, meanwhile, the sealing gasket is abutted against the inner surface of the second end cover to form a first cavity for installing the lens assembly and the circuit board, a preset pattern is arranged in the lens assembly, and when a lamp body on the circuit board works to generate a light source, the lens assembly receives the light source to project the preset pattern out of the shell through the lens;

the inner surface of the inner side wall is protruded inwards to form a first mounting hole, the outer surface of the outer side wall is sunken inwards to form a second mounting hole, and the first mounting hole and the second mounting hole are in threaded connection through a first screw;

the circuit board includes mutually perpendicular's first plate body and second plate body, the inside wall still is provided with two joint arriss, the joint arris and the surface of first mounting hole forms the joint structure, works as first plate body inserts during the joint structure, two joint arriss support respectively the both ends of first plate body one side, the surface of second mounting hole supports the central line department of first plate body opposite side.

2. The projection lamp of claim 1, wherein a shock-proof pad is disposed between the circuit board and the lens assembly, and the shock-proof pad is provided with a hole to allow a light source generated by a display device of the circuit board to be projected onto the lens assembly.

3. The projection lamp of claim 1 wherein said first screw is a self-tapping screw.

4. The projection lamp of claim 1, wherein the sealing gasket is provided with a first relief hole corresponding to the first mounting hole.

5. A projection lamp as claimed in claim 1, wherein the first mounting hole is provided in two.

6. The projection lamp of claim 1, wherein the rear cover of the housing is provided with a heat dissipation structure, the heat dissipation structure comprises a plurality of heat dissipation ribs provided on the second end cover, and heat dissipation gaps are formed between the heat dissipation ribs.

7. The projection lamp according to claim 1, wherein the rear cover of the housing is provided with a wire feeding hole, the circuit board is connected with a single-core plastic wire, the single-core plastic wire is provided with a sealing plug, and when the single-core plastic wire is inserted into the wire feeding hole, the sealing plug is in interference fit with the inner wall of the wire feeding hole.

8. The projection lamp of claim 1, wherein the housing back cover further snap-fits a connector housing.