CN221098562U - Waterproof sealing structure of projection lamp - Google Patents
Waterproof sealing structure of projection lamp Download PDFInfo
- Publication number
- CN221098562U CN221098562U CN202322605287.8U CN202322605287U CN221098562U CN 221098562 U CN221098562 U CN 221098562U CN 202322605287 U CN202322605287 U CN 202322605287U CN 221098562 U CN221098562 U CN 221098562U
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- Prior art keywords
- sealing
- lamp
- component
- frame
- waterproof
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- 238000007789 sealing Methods 0.000 title claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims description 15
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 3
- 230000000241 respiratory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000005394 sealing glass Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to the technical field of projection lamps, in particular to a waterproof sealing structure of a projection lamp, which comprises a lamp body formed by connecting a face frame, a middle frame and a back plate, wherein a glass plate is embedded in the face frame, a sealing chamber is formed among the face frame, the middle frame and the back plate, and a lamp assembly is arranged in the sealing chamber; the sealing component is used for sealing the incoming line, the sealing performance of the whole sealing cavity is guaranteed under the inlay with convenient wiring, in addition, the breathing component is further designed at the detection hole, after the tightness detection is carried out on the lamp body through the detection hole, the detection hole can be sealed through the breathing component, the pressure in the lamp body can be balanced by the breathing component, the damage to the lamp body and the internal parts is reduced, meanwhile, the breathing component can isolate the entry of water vapor when the pressure is balanced, and therefore the working stability and the safety of the lamp assembly are further guaranteed.
Description
Technical Field
The utility model relates to the technical field of projection lamps, in particular to a waterproof sealing structure of a projection lamp.
Background
The light projector is a lighting device and is generally used in occasions such as stage performance, lectures, exhibition and the like. It focuses the light through a condenser or reflector to a small area so that the area is brightly illuminated. The projector may use different bulbs, such as incandescent, halogen, LED, etc.
In order to guarantee the stability of the light-transmitting lamp in outdoor use, sealing structures are arranged between all assembly parts of the light-transmitting lamp in the prior art to isolate dust and water vapor from entering, and the LED light-transmitting lamp with good sealing performance is disclosed in Chinese patent publication No. CN211260418U and comprises a shell and a lamp body, wherein the lamp body is positioned in an inner cavity of the back surface of the shell, positioning bolts are arranged at four corners of the front surface of the shell, the rear sides of the positioning bolts sequentially penetrate through the shell and the lamp body from front to back and extend to the rear sides of the lamp body, and sealing glass placing windows are formed in the center of the front surface of the shell.
Because the lamp can produce heat when working, lead to the internal atmospheric pressure of lamp shade to rise, form great pressure to lamp shade cavity inner wall, when the lamp was turned off, generally the internal certain negative pressure that can form of lamp shade cavity, the negative pressure can inhale outside steam into the sealed cavity of lamp body, and the lamp damage like this.
Based on this, we propose a waterproof sealing structure of projecting lamp to further optimize the sealed effect of present projecting lamp.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a waterproof sealing structure of a projection lamp.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The waterproof sealing structure comprises a lamp body formed by connecting a face frame, a middle frame and a back plate, wherein a glass plate is embedded in the face frame, a sealing chamber is formed among the face frame, the middle frame and the back plate, and a lamp component is arranged in the sealing chamber;
The lower part of the middle frame is also provided with a wire inlet hole and a detection hole, a sealing component is arranged in the wire inlet hole, and a breathing component is arranged in the detection hole.
Further, the sealing component comprises a fixed pipe arranged in the wire inlet hole, a pressing sleeve is further connected to the outer side of the fixed pipe in a threaded mode, an extrusion piece is further arranged between the pressing sleeve and the fixed pipe, and the extrusion piece is sleeved on the outer side of the wire.
Further, the extrusion piece is provided with a threading hole, the outer wall of the extrusion piece is provided with a chamfering part, the inner wall of the fixed pipe is further provided with a guiding part, and the guiding part is in contact with the chamfering part.
Further, a gasket is further arranged between the fixed pipe and the wire inlet hole.
Further, the respiratory component comprises a valve tube in which a waterproof and breathable membrane is installed, wherein a blocking cap is further installed at the free end of the valve tube.
Further, the fixed pipe and the valve pipe are respectively connected with the wire inlet hole and the detection hole through threaded structures.
Further, an inner frame is arranged on the inner side of the middle frame, the sealing part and the breathing part are communicated to the inner side of the inner frame, and a heat dissipation channel is further formed between the outer wall of the middle frame and the inner frame in a penetrating mode.
The waterproof sealing structure of the projection lamp has the beneficial effects that: the sealing component is used for sealing the incoming line, the sealing performance of the whole sealing cavity is guaranteed under the inlay with convenient wiring, in addition, the breathing component is further designed at the detection hole, after the tightness detection is carried out on the lamp body through the detection hole, the detection hole can be sealed through the breathing component, the pressure in the lamp body can be balanced by the breathing component, the damage to the lamp body and the internal parts is reduced, meanwhile, the breathing component can isolate the entry of water vapor when the pressure is balanced, and therefore the working stability and the safety of the lamp assembly are further guaranteed.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the area A of FIG. 2;
fig. 4 is a perspective view of fig. 2.
In the figure: 1. a face frame; 2. a middle frame; 21. a wire inlet hole; 22. a detection hole; 23. a heat dissipation path; 3. a back plate; 4. a lamp assembly; 5. a sealing member; 51. a fixed tube; 511. a guide section; 52. pressing the sleeve; 53. an extrusion; 531. a chamfering part; 54. a gasket; 6. a respiratory component; 61. a valve tube; 62. a waterproof breathable film; 63. a blocking cap.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, an embodiment of the present utility model discloses a waterproof sealing structure of a light projector, which includes a lamp body formed by connecting a face frame 1, a middle frame 2 and a back plate 3, wherein a glass plate is embedded in the face frame 1, a sealing chamber is formed among the face frame 1, the middle frame 2 and the back plate 3, the sealing chamber is designed to avoid that water vapor and tiny impurities in an external environment easily invade into the light projector to cause damage of the light projector when the light projector is outdoors, a lamp component 4 is arranged in the sealing chamber, and the lamp component 4 adopts an LED light source;
The sealing device is characterized in that a wire inlet hole 21 and a detection hole 22 are further arranged below the middle frame 2, a sealing component 5 is arranged in the wire inlet hole 21, a breathing component 6 is arranged in the detection hole 22, the sealing component 5 is used for sealing a wire inlet, when the breathing component 6 can be used for keeping the internal and external air pressure of a lamp body stable, water vapor is prevented from entering the lamp body, and particularly, the detection hole 22 is used for being connected with a sealing test device after lamp production is completed, and gas is introduced into sealing forced control through the detection hole 22 to judge the tightness of a sealing cavity, so that the quality of a product can be judged.
In some embodiments, the sealing member 5 of the present utility model includes a fixed pipe 51 installed in the wire inlet 21, and a pressing sleeve 52 is further screwed on the outer side of the fixed pipe 51, where an extrusion member 53 is further disposed between the pressing sleeve 52 and the fixed pipe 51, and the extrusion member 53 is sleeved on the outer side of the wire, that is, in this embodiment, the extrusion member 53 is driven to move by rotating the pressing sleeve 52 and deform after the fixed pipe 51 collides, so as to tightly clamp the wire inlet, and simultaneously seal the wire inlet 21, and the operation is simple.
Specifically, in this embodiment, the extrusion member 53 has a threading hole, the cable enters the sealing chamber through the threading hole to supply power to the lamp assembly 4, and meanwhile, in the utility model, a chamfer portion 531 is provided on the outer wall of the extrusion member 53, a guiding portion 511 is further provided on the inner wall of the fixing tube 51, the guiding portion 511 contacts with the chamfer portion 531, and after the guiding portion 511 contacts with the chamfer portion 531, deformation driving of the extrusion member 53 can be achieved, so as to achieve sealing operation.
That is, in the embodiment of the present utility model, a spacer 54 is further disposed between the fixing pipe 51 and the wire inlet 21.
In some embodiments, the breathing component 6 includes a valve tube 61, a waterproof and breathable film 62 is installed in the valve tube 61, a bracket is also installed on the inner side of the valve tube 61, the waterproof and breathable film 62 is ultrasonically welded on the bracket, when the lamp assembly 4 works, the internal temperature of the lamp body is increased, the internal air pressure of the lamp body is increased, a larger pressure is formed on the internal wall of the lamp body, when the lamp is turned off, a certain negative pressure is formed in the lamp body in general, so that the problem that external air and water vapor are sucked into a sealed cavity can occur, the service life of the lamp is reduced, and the waterproof and breathable film 62 can quickly balance the pressure inside and outside the lamp body when the ambient temperature and the pressure change, and reduce the pressure on the lamp body and internal parts. Moreover, the waterproof breathable film 62 is designed, mist can be removed while the waterproof is realized, condensation is avoided, and the service life of the lamp is prolonged, wherein a blocking cap 63 is further arranged at the free end of the valve tube 61.
In the present utility model, the fixing pipe 51 and the valve pipe 61 are respectively connected with the wire inlet hole 21 and the detection hole 22 by screw structures, so that the fixing pipe 51 and the valve pipe 61 can be conveniently detached and installed, and the convenience of assembly is improved.
Preferably, in order to further enhance the heat dissipation effect of the light-transmitting lamp, in the present utility model, an inner frame is disposed at the inner side of the middle frame 2, the sealing member 5 and the breathing member 6 are both connected to the inner side of the inner frame, a heat dissipation channel 23 is further provided between the outer wall of the middle frame 2 and the inner frame in a penetrating manner, the lamp assembly 4 is disposed in the inner frame, and heat generated during operation of the lamp assembly is diffused outwards and discharged outwards through the heat dissipation channel 23, thereby enhancing the heat dissipation effect.
In summary, the sealing part 5 is used for sealing the incoming line, under the inlay with convenient wiring, the sealing performance of the whole sealing chamber is ensured, in addition, the breathing part 6 is also designed at the detection hole 22, after the tightness detection of the lamp body is carried out through the detection hole 22, the detection hole 22 can be sealed through the breathing part 6, the pressure in the lamp body can be balanced by the breathing part 6, the damage to the lamp body and the internal parts is reduced, and meanwhile, the breathing part 6 can isolate the entry of water vapor when balancing the pressure, so that the working stability and the safety of the lamp assembly 4 are further ensured.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a waterproof seal structure of projecting lamp, includes lamp body that face frame (1), center (2) and backplate (3) are connected and are constituteed still inlay in face frame (1) and be equipped with glass board, its characterized in that: a sealing chamber is formed among the face frame (1), the middle frame (2) and the back plate (3), and a lamp component (4) is arranged in the sealing chamber;
The lower part of the middle frame (2) is also provided with a wire inlet hole (21) and a detection hole (22), the wire inlet hole (21) is internally provided with a sealing component (5), and the detection hole (22) is internally provided with a breathing component (6).
2. The waterproof sealing structure of a projector according to claim 1, wherein: the sealing component (5) comprises a fixed pipe (51) arranged in the wire inlet hole (21), a pressing sleeve (52) is further connected to the outer side of the fixed pipe (51) in a threaded mode, an extrusion piece (53) is further arranged between the pressing sleeve (52) and the fixed pipe (51), and the extrusion piece (53) is sleeved on the outer side of a wire.
3. The waterproof sealing structure of a projector according to claim 2, wherein: the extrusion piece (53) is provided with a threading hole, the outer wall of the extrusion piece is provided with a chamfer portion (531), the inner wall of the fixed pipe (51) is further provided with a guide portion (511), and the guide portion (511) is in contact with the chamfer portion (531).
4. The waterproof sealing structure of a projector according to claim 2, wherein: a gasket (54) is further arranged between the fixed pipe (51) and the wire inlet hole (21).
5. The waterproof sealing structure of a projector according to claim 2, wherein: the breathing component (6) comprises a valve tube (61), a waterproof and breathable membrane (62) is arranged in the valve tube (61), and a blocking cap (63) is further arranged at the free end of the valve tube (61).
6. The waterproof sealing structure of a projector according to claim 5, wherein: the fixed pipe (51) and the valve pipe (61) are respectively connected with the wire inlet hole (21) and the detection hole (22) through screw structures.
7. The waterproof sealing structure of a projector according to claim 1, wherein: an inner frame is arranged on the inner side of the middle frame (2), the sealing part (5) and the breathing part (6) are communicated to the inner side of the inner frame, and a heat dissipation channel (23) is further formed between the outer wall of the middle frame (2) and the inner frame in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322605287.8U CN221098562U (en) | 2023-09-25 | 2023-09-25 | Waterproof sealing structure of projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322605287.8U CN221098562U (en) | 2023-09-25 | 2023-09-25 | Waterproof sealing structure of projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221098562U true CN221098562U (en) | 2024-06-07 |
Family
ID=91304173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322605287.8U Active CN221098562U (en) | 2023-09-25 | 2023-09-25 | Waterproof sealing structure of projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221098562U (en) |
-
2023
- 2023-09-25 CN CN202322605287.8U patent/CN221098562U/en active Active
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