CN216010556U - Stage lamp that waterproof performance is good - Google Patents

Abstract

The utility model discloses a stage lamp that waterproof performance is good, including support arm and pin joint in the lamp holder of support arm, the lamp holder is sealed through waterproof sealing spare with the pin joint department of support arm, the lamp holder includes that the up end is equipped with first open-ended first casing, sealed first open-ended waterproof lens, produce the light source subassembly of light and carry out radiating radiator unit to the light source subassembly, the light source subassembly is located first casing, the bottom plate of first casing is equipped with first uncovered, radiator unit seals up first uncovered, the bottom plate outside of first casing still is provided with rather than the first waterproof box body of inside intercommunication, first waterproof box body and first casing sealing connection, a motor is located first waterproof box body around the support arm is rotatory for driving the lamp holder. The first waterproof box body is communicated with the closed cavity, the first motor is located in a space with good waterproof performance, the waterproof structure of the lamp is simplified, meanwhile, the arrangement inside the lamp is more compact, and the size of the lamp is further reduced.

Description

Stage lamp that waterproof performance is good

Technical Field

The utility model relates to a stage lamp technical field, more specifically relates to a stage lamp that waterproof performance is good.

Background

Waterproof stage lights are commonly used in outdoor or aquatic shows and the like. The lamp holder of stage lamp rotates under driving motor's drive, projects light different directions, and most waterproof stage lamps on the market now set up driving motor on the support arm, and the subdividing carries out waterproof design to support arm and lamp holder respectively, but the waterproof structural design degree of difficulty on the support arm is great, leads to the support arm volume great, and the cost is higher moreover, and if directly will driving motor sets up in the lamp holder, will lead to sheltering from or increasing light the volume of lamp holder.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned prior art an at least defect, provide a stage lamp that waterproof performance is good, solve the problem that high-power stage lamp driving motor's waterproof construction is complicated.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a stage lamp that waterproof performance is good, including support arm and pin joint in the lamp holder of support arm, the lamp holder with the pin joint department of support arm is sealed through waterproof sealing spare, the lamp holder includes that the up end is equipped with first open-ended first casing, seals the waterproof lens of first open-ended, produce the light source subassembly and right the light source subassembly carries out radiating radiator unit, the light source subassembly is located in the first casing, the bottom plate of first casing is equipped with first uncovered, radiator unit seals first uncovered, the bottom plate outside of first casing still is provided with the first waterproof box body rather than inside intercommunication, first waterproof box body with first casing sealing connection is used for the drive the lamp holder winds the rotatory first motor of support arm is located in the first waterproof box body.

A closed cavity is formed among the first shell, the waterproof lens and the heat dissipation assembly, so that water vapor is prevented from entering from the outside; the first waterproof box body is communicated with the closed cavity, the first waterproof box body is connected with the first shell in a sealing mode, the first motor is located in a space with good waterproof performance, the waterproof structure of the first waterproof box body is simplified, meanwhile, the first waterproof box body is located on the outer side of the bottom plate of the first shell, the space inside the first shell is not occupied, the heat dissipation assembly can be made to be close to the light source as far as possible, the heat transfer efficiency between the heat dissipation assembly and the light source is guaranteed, the arrangement inside the lamp is more compact, and the size of the lamp is further reduced.

Furthermore, the first motor and the pin joint shaft of the lamp holder are both provided with synchronous wheels, and the two synchronous wheels are connected through a synchronous belt. The rotating shaft of the first motor outputs power through the matching of the synchronizing wheel connected with the rotating shaft, the pin-joint shaft is fixed in position with the synchronizing wheel connected with the pin-joint shaft, and the lamp holder rotates around the supporting arm under the action of the synchronizing belt.

Further, first waterproof box body with first casing can be dismantled and be connected, the bottom plate of first casing corresponds first waterproof box body is equipped with the second and uncovered, first waterproof box body lock is in the below of first casing and sealed the second is uncovered. Through setting up demountable installation first waterproof box body only needs through dismantling first waterproof box body can be to being located in the first waterproof box body first motor is maintained convenient and fast.

Further, a second waterproof strip is arranged between the first waterproof box body and the bottom plate of the first shell. Through setting up the waterproof strip of second has further blocked steam from first waterproof box body with clearance between the first casing gets into, plays better waterproof effect.

Furthermore, the device also comprises a focusing lens positioned in the first shell and a second motor used for driving the focusing lens to move back and forth along the light emergent direction, wherein the second motor is positioned in the other first waterproof box. The second motor drives the focusing lens to move back and forth along the light emitting direction, so that the focusing function is realized, and the definition of light spots projected by the stage lamp is changed; and will the second motor sets up in another in the first waterproof box body, do not occupy the space in the first casing, make the inside arranging of lamp holder compacter.

Further, still include the waterproof box body of second that is used for holding electric wire or circuit board, the waterproof box body of second is located the bottom plate outside of first casing, and with the inside intercommunication of first casing. More installation spaces are provided for components needing water proofing, so that the components are positioned in the same sealed cavity, and the water proofing structure of the lamp is simplified.

Further, the heat dissipation assembly comprises a heat absorption end plate for absorbing heat of the light source assembly and a heat dissipation fin for dissipating the heat, and the heat absorption end plate seals the first opening. Through utilizing the heat absorption end plate is sealed first uncovered need not can guarantee through other complex structures the waterproof performance of the inside airtight cavity of first casing makes simultaneously the heat absorption end plate can be close to as far as possible the light source subassembly, further improves the radiating efficiency of light source subassembly.

Furthermore, the heat-absorbing end plate is abutted against the inner side of the first shell bottom plate, and the heat-radiating fins penetrate through the first opening and are located outside the first shell. With such an arrangement, the heat-absorbing end plate is positioned in the first housing and can be as close as possible to the light source assembly, thereby ensuring more efficient heat transfer; and the radiating fins are positioned outside the first shell, so that heat exchange can be better carried out with the outside, and the radiating efficiency is further improved.

Further, the first waterproof box body is provided with a second opening, the first waterproof box body is communicated with the inside of the first shell through the second opening, and the heat absorption end plate part covers the second opening. Due to the arrangement, the heat-absorbing end plate and the light source assembly can be centered as much as possible and are fully distributed on the whole lamp holder, the internal structure is more compact, and the size of the lamp is further reduced.

Further, the first shell comprises a machine head cover and a body, the upper end of the body penetrates through the machine head cover, the machine head cover is a barrel, the waterproof lens is sealed at the top end of the machine head cover, the bottom end of the machine head cover is buckled and sealed at the upper end of the body, and the support arm and the pin joint position between the lamp heads are located on the body. Such setting utilizes the aircraft nose lid to install waterproof lens is lieing in when the inside components and parts of first casing are maintained, need not relapse the waterproof lens of dismouting, only need unpack apart the maintenance work can be accomplished to the aircraft nose lid, convenient maintenance, and avoided leading to because of relapse the waterproof lens of dismouting waterproof lens with the condition that the waterproof construction of first casing damaged.

Drawings

Fig. 1 is an explosion structure diagram of a lamp holder in a stage lamp with good waterproof performance.

Fig. 2 is a schematic sectional structure diagram of the lamp head of the present invention.

Fig. 3 is a schematic view of the overall structure of the lamp head of the present invention.

In the figure:

100. a lamp cap; 110. a first housing; 111. a first opening; 112. a first opening; 113. a base plate; 114. a second opening; 115. a nose cover; 1151. pressing a plate; 116. a body; 120. a waterproof lens; 130. a bearing assembly; 131. a bearing housing; 132. a bearing; 133. an oil seal; 140. a heat dissipating component; 141. a heat absorbing end plate; 142. heat dissipation fins; 150. a first waterproof case; 151. a second opening; 160. a first motor; 170. a second waterproof box body; 180. a pivot shaft; 210. a first waterproof strip; 220. a second waterproof strip; 230. a third waterproof strip; 240. a fourth waterproof strip; 250. a fifth waterproof strip; 260. and a sixth waterproof strip.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

As shown in fig. 1 and 3, the present invention provides a stage lamp with good waterproof performance, which comprises a support arm and a lamp head 100 pivoted to the support arm, the pivot joint of the lamp cap 100 and the support arm is sealed by a waterproof sealing member, the lamp cap 100 includes a first housing 110 having a first opening 111 on an upper end surface thereof, a waterproof lens 120 sealing the first opening 111, a light source assembly generating light, and a heat dissipation assembly 140 dissipating heat from the light source assembly, the light source assembly is positioned in the first casing 110, a bottom plate 113 of the first casing 110 is provided with a first opening 112, the heat dissipation assembly 140 seals the first opening 112, a first waterproof box 150 communicated with the inside of the bottom plate 113 of the first casing 110 is further connected to the outside of the bottom plate 113 of the first casing 110, the first waterproof box 150 is connected with the first casing 110 in a sealing manner, a first motor 160 for driving the lamp head 100 to rotate around the support arm is located inside the first waterproof case 150.

A sealed cavity is formed among the first shell 110, the waterproof lens 120 and the heat dissipation assembly 140, so that water vapor is prevented from entering from the outside; the first waterproof box 150 is communicated with the closed cavity, the first waterproof box 150 is connected with the first shell 110 in a sealing mode, the first motor 160 is located in a space with good waterproof performance, the waterproof structure of the first waterproof box is simplified, meanwhile, the first waterproof box 150 is located on the outer side of the bottom plate 113 of the first shell 110, the space inside the first shell 110 is not occupied, the heat dissipation assembly 140 and the light source can be close to each other as far as possible, heat transfer efficiency between the heat dissipation assembly 140 and the light source is guaranteed, arrangement inside the lamp is more compact, and the size of the lamp is further reduced.

Preferably, the first housing 110 is provided with a vent valve so that the pressure difference between the inside and the outside of the first housing 110 is balanced.

Preferably, the waterproof sealing element is located inside the first housing 110, the waterproof sealing element is a bearing assembly 130, the bearing assembly 130 includes a bearing 132 pivoted to the pivot shaft 180, a bearing sleeve 131 for mounting the bearing 132, and an oil seal 133 for sealing the bearing 132, the bearing sleeve 131 is fixedly connected to the first housing 110, and the oil seal 133 is configured to prevent water vapor from entering the first housing 110 through a gap between the bearing 132 and the pivot shaft 180; the first housing 110 is provided with a through hole corresponding to the pivot shaft 180, and one end of the pivot shaft 180 is pivoted with the bearing 132 after passing through the through hole. A fourth waterproof strip 240 is arranged between the bearing sleeve 131 and the first housing 110, so that water vapor is prevented from entering a connection gap between the bearing sleeve 131 and the first housing 110, and the waterproof performance inside the first housing 110 is further improved. As shown in fig. 1 to 2, in a preferred embodiment of the present invention, synchronizing wheels are disposed on both the first motor 160 and the pivot shaft 180 of the lamp head 100, and the two synchronizing wheels are connected through a synchronizing belt. The rotating shaft of the first motor 160 outputs power through the matching of the synchronizing wheel connected with the rotating shaft, the position of the pivot shaft 180 and the synchronizing wheel connected with the pivot shaft is fixed, and the lamp holder 100 rotates around the supporting arm under the action of the synchronizing wheel.

In the preferred embodiment of the present invention, the first waterproof box 150 is detachably connected to the first housing 110, the bottom plate 113 of the first housing 110 corresponds to the second opening 114 of the first waterproof box 150, and the first waterproof box 150 is fastened to the lower portion of the first housing 110 and sealed with the second opening 114. Through setting up demountable installation first waterproof box body 150 only needs through dismantling first waterproof box body 150 can be to being located in first waterproof box body 150 first motor 160 is maintained, convenient and fast.

In the preferred embodiment of the present invention, a second waterproof strip 220 is disposed between the first waterproof box 150 and the bottom plate 113 of the first casing 110. Through the arrangement of the second waterproof strip 220, water vapor is further prevented from entering from a gap between the first waterproof box 150 and the first shell 110, and a better waterproof effect is achieved.

Preferably, the first shell 110 is provided with a groove for accommodating the second waterproof strip 220, the second waterproof strip 220 is fixed and a part of the second waterproof strip 220 protrudes out of the groove, and the protruding part abuts against the first waterproof box 150, so that the second waterproof strip 220 is prevented from sliding and moving away in the working process of the stage lamp, and the waterproof performance is prevented from being reduced.

Preferably, at least 1 rib is arranged on two side surfaces of the second waterproof strip 220, which are close to the first waterproof box 150 and the first shell 110, along the length direction, so that the contact area between the second waterproof strip 220 and the first waterproof box 150 and between the second waterproof strip and the first shell 110 is favorably reduced, the pressure of the rib on the first waterproof box 150 and the first shell 110 is further increased, the first waterproof box 150 and the first shell 110 are always kept in close contact, and the waterproof performance is further improved.

In other embodiments, the first waterproof case 150 may be integrally formed with the first housing 110.

In the preferred embodiment of the present invention, the present invention further comprises a focusing lens located in the first casing 110, and a second motor for driving the focusing lens to move back and forth along the light emitting direction, wherein the second motor is located in the other first waterproof case 150. The second motor drives the focusing lens to move back and forth along the light emitting direction, so that the focusing function is realized, and the definition of light spots projected by the stage lamp is changed; and the second motor is disposed in the other first waterproof case 150, so that the space inside the first housing 110 is not occupied, and the arrangement inside the lamp cap 100 is more compact.

In the preferred embodiment of the present invention, the waterproof case further comprises a second waterproof case 180 for accommodating a wire or a circuit board, wherein the second waterproof case 180 is located outside the bottom plate 113 of the first case 110 and is communicated with the inside of the first case 110. More installation spaces are provided for components needing water proofing, so that the components are positioned in the same sealed cavity, and the water proofing structure of the lamp is simplified.

Preferably, a third waterproof strip 230 is arranged between the second waterproof box 180 and the first shell 110, and the first shell 110 is provided with a groove for accommodating the third waterproof strip 230, so that the third waterproof strip 230 is prevented from sliding and shifting in the working process.

In the preferred embodiment of the present invention, the heat dissipation assembly 140 includes a heat absorption end plate 141 for absorbing heat of the light source assembly and a heat dissipation fin 142 for dissipating heat, and the heat absorption end plate 141 seals the first opening 112. By sealing the first opening 112 with the heat-absorbing end plate 141, the waterproof performance of the sealed cavity inside the first casing 110 can be ensured without other complex structures, and meanwhile, the heat-absorbing end plate 141 can be close to the light source assembly as much as possible, so that the heat-dissipating efficiency of the light source assembly is further improved.

Preferably, the heat sink fins 142 are tightly attached to the heat sink end plate 141, so that the heat transfer between the two is more efficient.

In the preferred embodiment of the present invention, the heat-absorbing end plate 141 supports against the inner side of the bottom plate 113 of the first casing 110, and the heat-dissipating fins 142 pass through the first opening 112 and then are located outside the first casing 110. With this arrangement, the heat-absorbing end plate 141 is located in the first housing 110 and can be as close as possible to the light source assembly, thereby ensuring more efficient heat transfer; the heat dissipation fins 142 are located outside the first housing 110, so that heat exchange with the outside can be better performed, and the heat dissipation efficiency is further improved.

Preferably, a first waterproof strip 210 is disposed between the bottom plate 113 of the first casing 110 and the heat-absorbing end plate 141, and the first casing 110 is provided with a groove for accommodating the first waterproof strip 210, so as to prevent the first waterproof strip 210 from sliding and moving away to cause a decrease in waterproof performance.

Preferably, the size of the opening of the first case 110 is smaller than the size of the heat-absorbing end plate 141, preventing the heat-absorbing end plate 141 from sliding out of the first opening 112; the first waterproof strip 210 is a ring of uninterrupted rubber strip, and the first waterproof strip 210 is disposed around the first opening 112, so as to prevent moisture outside the first casing 110 from entering from a connection between the heat-absorbing end plate 141 and the first casing 110, and ensure that the inside of the first casing 110 has better waterproofness.

Alternatively, the heat dissipation assembly 140 may be integrally located outside the first casing 110, and the heat absorption end plate 141 is fixed to the lower end of the first casing 110 by screws and seals the first opening 112.

In a preferred embodiment of the present invention, the first waterproof case 150 has a second opening 151, the first waterproof case 150 communicates with the inside of the first case 110 through the second opening 151, and the heat absorbing end plate 141 partially covers the second opening 151. With such an arrangement, the heat-absorbing end plate 141 and the light source assembly can be centered as much as possible and distributed over the entire lamp cap 100, so that the internal structure is more compact, and the volume of the lamp is further reduced.

Preferably, the light source assembly includes a light source driving board and a plurality of beads disposed on the light source driving board, and the heat-absorbing end plate 141 has a size and a shape similar to those of the driving board as much as possible, so that heat generated by the driving board during operation can be more uniformly and efficiently transferred to the heat-absorbing end plate 141, and the driving board is prevented from being burned out due to insufficient heat dissipation.

In the preferred embodiment of the present invention, the first housing 110 includes a head cover 115 and a body 116 having an upper end penetrating therethrough, the head cover 115 is a cylinder, the waterproof lens 120 seals the top end of the head cover 115, the bottom end of the head cover 115 is fastened and sealed to the upper end of the body 116, and the pivot position between the support arm and the lamp head 100 is located on the body 116. Such setting utilizes aircraft nose lid 115 installation waterproof lens 120 is to being located when the inside components and parts of first casing 110 are maintained, need not relapse the waterproof lens 120 of dismouting, only need unpack apart the maintenance work can be accomplished to aircraft nose lid 115, convenient maintenance, and avoided leading to because of relapseing the waterproof lens 120 of dismouting waterproof lens 120 with the condition that the waterproof construction of first casing 110 damaged. Most components have waterproof requirements and need to be installed in the body 116 of the first housing 110, which results in a large weight occupied by the body 116, and the pivot joint position is disposed on the body 116 to ensure that the lamp head 100 keeps balance when rotating.

Preferably, most of the waterproof lenses 120 are made of glass materials or resin materials, and are difficult to be fixed to the handpiece lid 115 directly by a screw fixing method, so that the waterproof lenses further include a pressing plate 1151, a convex edge for abutting against the waterproof lenses 120 protrudes inwards from the handpiece lid 115, the pressing plate 1151 and the convex edge of the handpiece lid 115 are matched to press the waterproof lenses 120 tightly, and a fifth waterproof strip 250 is arranged between the waterproof lenses 120 and the pressing plate 1151; a sixth waterproof strip 260 is arranged between the handpiece cover 115 and the body 116, so that water vapor is prevented from entering the first housing 110 from a connecting gap between the handpiece cover 115 and the body 116.

Preferably, the lamp cap further comprises a second shell 190 fastened below the first shell 110, the second shell 190 is a cylinder with an open upper end, the shape and size of the opening of the second shell 190 are the same as those of the bottom plate 113 of the first shell 110, the second shell 190 simultaneously wraps the first waterproof box 150 located below the first shell 110, the part of the heat dissipation assembly 140 exposed below the first shell 110, and other components, the first shell 110 and the second shell 190 form an outer shell of the lamp cap 100, and the second shell 190 is provided with a vent communicated with the outside, so that outside cold air can enter the lamp cap and can exchange heat with the heat dissipation assembly 140; because the first casing 110 has good waterproof performance, the moisture brought by the outside cold air entering the second casing 190 is difficult to enter the first casing 110, and the moisture is prevented from affecting the components inside the first casing 110.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a stage lamp that waterproof performance is good, includes support arm and pin joint in lamp holder (100) of support arm, lamp holder (100) with the pin joint department of support arm is sealed through waterproof sealing member, lamp holder (100) include that the up end is equipped with first casing (110) of first opening (111), seal waterproof lens (120) of first opening (111), produce the light source subassembly of light and to radiator unit (140) that the light source subassembly dispels the heat, its characterized in that, the light source subassembly is located in first casing (110), bottom plate (113) of first casing (110) are equipped with first uncovered (112), radiator unit (140) seal first uncovered (112), the bottom plate (113) outside of first casing (110) still is provided with rather than inside first waterproof box body (150) that communicates, first waterproof box body (150) with first casing (110) sealing connection, a first motor (160) for driving the light head (100) to rotate around the support arm is located within the first waterproof case (150).

2. The stage lamp with good waterproof performance as claimed in claim 1, wherein the first motor (160) and the pivot shaft (180) of the lamp head (100) are provided with synchronous wheels, and the two synchronous wheels are connected through a synchronous belt.

3. The stage lamp with good waterproof performance as claimed in claim 1, wherein the first waterproof box (150) is detachably connected with the first casing (110), a second opening (114) is formed in a bottom plate (113) of the first casing (110) corresponding to the first waterproof box (150), and the first waterproof box (150) is buckled below the first casing (110) and seals the second opening (114).

4. The stage lamp with good waterproof performance according to claim 3, wherein a second waterproof strip (220) is arranged between the first waterproof box (150) and the bottom plate (113) of the first shell (110).

5. The stage lamp with good waterproof performance as claimed in claim 1, further comprising a focus adjusting lens located in the first housing (110), and a second motor for driving the focus adjusting lens to reciprocate in the light emitting direction, wherein the second motor is located in the other first waterproof case (150).

6. The stage lamp with good waterproof performance as claimed in claim 1, further comprising a second waterproof case (170) for accommodating wires or circuit boards, wherein the second waterproof case (170) is located outside the bottom plate (113) of the first housing (110) and communicates with the inside of the first housing (110).

7. The stage lamp with good waterproof performance as claimed in claim 1, wherein the heat dissipation assembly (140) comprises a heat-absorbing end plate (141) for absorbing heat of the light source assembly and a heat-dissipating fin (142) for dissipating heat, and the heat-absorbing end plate (141) seals the first opening (112).

8. The stage lamp with good waterproof performance as claimed in claim 7, wherein the heat-absorbing end plate (141) abuts against the inner side of the bottom plate (113) of the first shell (110), and the heat-dissipating fins (142) pass through the first opening (112) and then are located outside the first shell (110).

9. The stage lamp with good waterproof performance as claimed in claim 8, wherein the first waterproof case (150) has a second opening (151), the first waterproof case (150) communicates with the inside of the first case (110) through the second opening (151), and the heat-absorbing end plate (141) partially covers the second opening (151).

10. The stage lamp with good waterproof performance as claimed in claim 1, wherein the first shell (110) comprises a head cover (115) and a body (116) with an upper end penetrating through, the head cover (115) is a cylinder, the waterproof lens (120) seals the top end of the head cover (115), the bottom end of the head cover (115) is buckled and seals the upper end of the body (116), and the pivot joint position between the supporting arm and the lamp holder (100) is located on the body (116).

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