CN210511523U - Contact structure of down lamp body and lamp housing - Google Patents
Contact structure of down lamp body and lamp housing Download PDFInfo
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- CN210511523U CN210511523U CN201921437646.0U CN201921437646U CN210511523U CN 210511523 U CN210511523 U CN 210511523U CN 201921437646 U CN201921437646 U CN 201921437646U CN 210511523 U CN210511523 U CN 210511523U
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Abstract
The utility model provides a contact structure of a down lamp body and a lamp shell, belonging to the technical field of down lamps, comprising a rotating cover arranged at the top of the lamp body and a friction ring which is arranged at the top of the lamp shell and is in sliding contact with the rotating cover; the outer surface of the rotating cover is a spherical surface; the friction ring is movably connected with the lamp shell. The utility model provides a contact structure of down lamp body and lamp body sets up the friction ring at the top of lamp body, and through rotating or during the adjustment of swing lamp body illumination angle, rotatory cover rubs with the friction ring, replaces original lamp body and lamp shade friction, and the lamp shade does not receive frictional force. The outer surface of the rotating cover is a spherical surface, the friction ring is sleeved on the spherical surface, and sliding friction between the spherical surface and the friction ring is smooth. The outer surface is the rotatory cover of spherical structure can be followed arbitrary direction swing, and the illumination direction can be followed universal regulation. The friction ring is movably connected with the lamp shell, and when the friction ring is damaged due to long-time friction, the friction ring can be replaced by a new friction ring.
Description
Technical Field
The utility model belongs to the technical field of the down lamp, more specifically say, relate to a contact structure of down lamp body and lamp body.
Background
The down lamp is a lighting lamp embedded in a ceiling and emitting light downwards, is small and exquisite in structure, convenient to install and widely applied to furniture lighting and atmosphere building in public places such as markets, hotels and the like. Because the lamp body of down lamp imbeds the inside of ceiling and keeps fixed, the lamp body movable mounting of down lamp is in the inside of lamp body, adjusts the illumination angle of down lamp through the lamp body of rotating or swing down lamp. When rotating or swing the lamp body, lamp body and lamp body looks mutual friction, frictional resistance is great, and long-time friction still can cause great wearing and tearing to lamp body and lamp body.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a contact structure of down lamp body and lamp body to the lamp body and the lamp body frictional resistance of the down lamp that exists among the solution prior art are great, and long-time friction can cause the technical problem of the great wearing and tearing of lamp body and lamp body.
In order to achieve the above object, the utility model adopts the following technical scheme: a contact structure of a down lamp body and a lamp shell comprises a rotating cover arranged at the top of the lamp body and a friction ring arranged at the top of the lamp shell and in sliding contact with the rotating cover;
the outer surface of the rotating cover is a spherical surface;
the friction ring is movably connected with the lamp shell.
As another embodiment of this application, the outer lane circumference interval of friction ring sets up a plurality of dop, the top of lamp body be equipped with the draw-in groove of dop one-to-one.
As another embodiment of this application, the outer lane circumference interval of friction ring sets up a plurality of stopper, the top of lamp body be equipped with the spacing groove of stopper one-to-one.
As another embodiment of the application, the lower edge of the inner ring of the friction ring is provided with a fillet.
As another embodiment of the application, the surface of the fillet is provided with a lubricating film.
As another embodiment of the present application, the friction ring has a hardness less than that of the rotating housing.
As another embodiment of the application, the lower surface of the friction ring is provided with a sealing ring, and the sealing ring is in close contact with the rotating cover.
As another embodiment of this application, the lower surface of friction ring is equipped with and is used for holding the ring channel of sealing washer, the sealing washer embedding in the ring channel, the width of sealing washer is greater than the degree of depth of ring channel.
As another embodiment of the present application, the seal is circular in cross-section.
As another embodiment of the present application, the seal ring has a hardness less than that of the rotating cap.
The utility model provides a contact structure's of down lamp body and lamp body beneficial effect lies in: compared with the prior art, the utility model discloses the contact structure of down lamp body and lamp body sets up the friction ring at the top of lamp body, and the rotatory cover and the friction ring direct contact at lamp body top, through rotating or during the light angle of swing lamp body adjustment, rotatory cover rubs with the friction ring each other, replaces original lamp body and lamp shade friction, and the lamp shade does not receive frictional force. The outer surface of the rotating cover is a spherical surface, the friction ring is sleeved on the spherical surface, and the spherical surface and the friction ring slide smoothly. The rotating cover with the spherical outer surface can swing in any direction, so that the illumination direction can be adjusted in any direction. The friction ring is movably connected with the lamp shell, and when the friction ring is damaged due to long-time friction, the friction ring can be replaced by a new friction ring.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural view of a contact structure between a lamp body and a lamp housing of a downlight provided by an embodiment of the present invention;
fig. 2 is a longitudinal cross-sectional view of a contact structure between a lamp body and a lamp housing of a downlight provided by an embodiment of the present invention;
fig. 3 is an explosion structure diagram of a contact structure between a lamp body and a lamp housing of a downlight provided by an embodiment of the present invention;
fig. 4 is a first schematic structural diagram of a friction ring provided by the present invention;
fig. 5 is a schematic structural diagram of a friction ring according to the present invention;
fig. 6 is an assembly view of the friction ring and the sealing ring provided by the present invention;
wherein, in the figures, the respective reference numerals:
1. a rotating cover; 2. a friction ring; 21. clamping a head; 22. a limiting block; 23. an annular groove; 3. a seal ring; 4. a lamp housing; 41. a clamping groove.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It is right now the utility model provides a contact structure of down lamp body and lamp body explains.
Referring to fig. 1 to 3, the contact structure between the lamp body and the lamp housing 4 of the downlight includes a rotating cover 1 and a friction ring 2, the rotating cover 1 is disposed on the top of the lamp body, and the friction ring 2 is disposed on the top of the lamp housing 4. In the prior art, the lamp housing 4 of the down lamp covers the outside of the lamp body to wrap the lamp body, the light source is arranged inside the lamp body, the bottom of the lamp body is provided with an opening, light emitted by the light source is emitted from the opening at the bottom of the lamp body, emitted light is tapered, the opening at the bottom of the lamp body is changed by applying external force to rotate or swing the lamp body, and therefore the illumination angle is changed.
Set up rotatory cover 1 at the top of lamp body, behind the top of lamp body 4 sets up friction ring 2, the surface of rotatory cover 1 and friction ring 2 direct contact, when adjusting the illumination angle through rotating or swing lamp body, rotatory cover 1 and friction ring 2 looks mutual friction replace the mutual friction of original lamp body and lamp body 4.
The outer surface of the rotating cover 1 is a spherical surface, the top of the spherical surface penetrates through the circular opening of the friction ring 2, the friction ring 2 is sleeved outside the spherical surface, and the inner ring of the friction ring 2 is tightly attached to the spherical surface. When rotating or swinging the lamp body, the surface of the spherical structure of the rotating cover 1 slides in the inner part of the circular inner ring of the friction ring 2, the spherical surface is smooth, the sliding process between the friction ring 2 and the rotating cover 1 is smooth, and the sliding process is not hindered by structures such as corners and the like.
The outer surface of the spherical structure of the rotating cover 1 and the inner ring of the friction ring 2 rub against each other, the friction ring 2 is limited in the limited space inside the lamp housing 4, the friction ring 2 cannot be set too thick generally, otherwise the layout of the lamp body in the lamp housing 4 can be affected, so that after long-time rubbing, the friction ring 2 is damaged firstly, the diameter of the inner ring of the friction ring 2 is increased after the friction ring 2 is worn, and the inner ring is irregular due to uneven friction force received by the inner ring at all places, so that a structure similar to an ellipse is formed. After the diameter of the inner ring is increased, a gap is formed between the rotating cover 1 and the friction ring 2, the sealing performance of the lamp shell 4 is affected, dust can enter the lamp shell 4 from the gap between the rotating cover 1 and the friction ring 2, the lamp body is polluted, excessive dust is stained on the surface of the light source, the brightness of light can be affected, and the attractiveness of the down lamp can also be affected. Consequently, with friction ring 2 and lamp body 4 swing joint, friction ring 2 can be dismantled on lamp body 4 promptly, and the back is worn and torn to friction ring 2, dismantles the friction ring 2 that damages, changes new friction ring 2, has practiced thrift the cost of changing whole down lamp.
The utility model provides a contact structure of down lamp body and lamp body 4, compared with the prior art, set up friction ring 2 at the top of lamp body 4, the rotatory cover 1 and the 2 direct contact of friction ring at lamp body top, through rotating or during the illumination angle of swing lamp body adjustment, rotatory cover 1 rubs with friction ring 2 each other, replaces original lamp body and lamp shade friction, and the lamp shade does not receive frictional force. The outer surface of the rotating cover 1 is a spherical surface, the friction ring 2 is sleeved on the spherical surface, and the sliding between the spherical surface and the friction ring 2 is smooth. The rotating cover 1 with the spherical outer surface can swing in any direction, so that the illumination direction can be adjusted in any direction. The friction ring 2 is movably connected with the lamp shell 4, and when the friction ring 2 is damaged due to long-time friction, the friction ring 2 can be replaced by a new friction ring 2.
As the utility model provides a down lamp body and a specific implementation of the contact structure of lamp body 4 please refer to fig. 1 to 5 together, friction ring 2 adopts the mode of joint to be connected with lamp body 4, specifically is: the outer ring of the friction ring 2 is circumferentially provided with three chucks 21 at intervals, and the central angle between every two adjacent chucks 21 is 120 degrees. The friction ring 2 is arranged inside the lamp housing 4, one surface of the friction ring 2 is attached to the top of the lamp housing 4, the contact surface of the friction ring 2 and the lamp housing 4 is called as an upper surface, and the chuck 21 is arranged perpendicular to the upper surface. The top of lamp body 4 is equipped with three draw-in groove 41, and three draw-in groove 41 is the annular overall arrangement to the circle that three draw-in groove 41 encloses is the same with the outer lane diameter of friction ring 2, and the central angle between two adjacent draw-in grooves 41 is 120, guarantees three draw-in groove 41 and three dop 21 one-to-one. The three clamping grooves 41 penetrate through the top of the lamp shell 4, the top of the clamping head 21 is of a cap-shaped structure, and the clamping head 21 is integrally made of plastic materials with certain elasticity. When the friction ring 2 is installed, the upper surface of the friction ring 2 is just opposite to the top of the lamp shell 4, then the friction ring 2 is slightly rotated until the three clamping heads 21 are just opposite to the three clamping grooves 41 respectively, the friction ring 2 is pressed, the three clamping heads 21 are embedded into the three clamping grooves 41 respectively, and the cap-shaped structure at the top of the clamping heads 21 penetrates through the clamping grooves 41 and is clamped at the end parts of the clamping grooves 41. When the friction ring 2 is detached, the cap-shaped structure at the end of the chuck 21 is pulled, the cap-shaped structure is pressed into the clamping groove 41, then the edge of the friction ring 2 is tilted by hand or by means of tools such as a pry bar, and the friction ring 2 is taken down.
As the utility model provides a contact structure's of down lamp body and lamp body 4 a specific embodiment please refer to in the lump and draw in fig. 4 and 5, and the outer lane circumference interval of friction ring 2 sets up three stopper 22, and the central angle between two adjacent stoppers 22 is 120, and the top of lamp body 4 is also circumference and is set up three spacing groove to the circular shape diameter that encloses with three stopper 22 that three spacing groove encloses equals. After friction ring 2 was installed at the top of lamp body 4, three stopper 22 was gone into three spacing groove respectively in, and when adjusting illumination angle through rotating or swing lamp body, rotatory cover 1 rubbed with friction ring 2, and spacing groove and stopper 22 keep fixed, prevent that rotatory cover 1 from driving friction ring 2 and rotate.
As the utility model provides a down lamp body and lamp body 4's a specific implementation way please refer to and draw figure 2, the surface of rotatory cover 1 and the inner circle sliding contact of friction ring 2, specifically, be the lower edge of the inner circle of rotatory cover 1 and rotatory cover 1 sliding contact, long-time friction back, the inner circle of friction ring 2 is down along can leading to the fact the fish tail to rotatory cover 1, and change comparatively complicacy after rotatory cover 1 damages, and the cost is higher. Consequently, the lower edge of the inner circle of friction ring 2 sets up the fillet, and fillet and the surface contact of rotatory cover 1, during adjustment illumination angle, rotatory cover 1 and fillet looks mutual friction because the surface of fillet is the cambered surface, and the surface of rotatory cover 1 is the sphere, rubs between sphere and the cambered surface, has reduced the fish tail to the surface of rotatory cover 1, prolongs the life of rotatory cover 1.
Preferably, a layer of silicone oil is smeared on the surface of a fillet arranged on the lower edge of the inner ring of the friction ring 2, the silicone oil is a lubricant, and after the silicone oil is smeared, the silicone oil forms a layer of lubricating film on the surface of the fillet, so that the friction force between the rotating cover 1 and the friction ring 2 is reduced, the resistance of adjusting light is reduced, the lubricating film protects the friction ring 2 and the rotating cover 1, and the abrasion of the friction ring 2 and the rotating cover 1 is reduced.
On the other hand, because 2 inner circles of friction ring down along the surface in close contact with rotatory cover 1, play certain dustproof effect, but still there is less clearance between rotatory cover 1 and the friction ring 2, can not reach waterproof effect, steam gets into the inside back of lamp body 4, can be formed into water smoke on the light source surface, image illumination intensity, after the fillet surface sets up the lubricant film, silicon oil is full of the clearance between rotatory cover 1 and the friction ring 2, it is inside to prevent that steam from getting into lamp body 4 in the clearance.
As the utility model provides a contact structure's of down lamp body and lamp body 4 a specific embodiment, the hardness of friction ring 2 is less than the hardness of rotatory cover 1, when friction ring 2 rubs each other with rotatory cover 1, friction ring 2 receives wearing and tearing great, and rotatory cover 1 wearing and tearing are less, and the life of rotatory cover 1 is greater than the life-span of friction ring 2, again because friction ring 2 can dismantle for lamp body 4, change behind the wearing and tearing of friction ring 2 is comparatively convenient, therefore prolonged the whole life-span of down lamp. Specifically, in the present embodiment, the rotating cover 1 and the friction ring 2 are made of the same plastic material, but the material of the rotating cover 1 is added with a composite material made of glass fiber or carbon fiber, so as to enhance the hardness of the rotating cover 1.
As the utility model provides a down lamp body and lamp body 4's a specific implementation way please refer to in the lump and draw together fig. 2 and fig. 6, and the lower surface of friction ring 2 is equipped with sealing washer 3, and the position that the specific position of sealing washer 3 is close to the inner circle for the lower surface of friction ring 2 sets up behind the sealing washer 3, and the surface of the spherical structure of rotatory cover 1 and the inseparable contact of sealing washer 3 guarantee the leakproofness of lamp body 4. In this embodiment, rubber circle is selected for use to sealing washer 3, again because sealing washer 3 sets up between friction ring 2 and rotatory cover 1, rotatory cover 1 and friction ring 2 extrude sealing washer 3 jointly, cause sealing washer 3 inseparabler with the surface laminating of rotatory cover 1, play better sealed effect.
Preferably, referring to fig. 5 and 6 together, the lower surface of the friction ring 2 is provided with an annular groove 23, the width of the annular groove 23 is the same as the thickness of the sealing ring 3, the sealing ring 3 is embedded into the annular groove 23, and when the rotating cover 1 and the sealing ring 3 rub against each other, the annular groove 23 fixes the sealing ring 3 to prevent the rotating cover 1 from driving the sealing ring 3 to rotate. The depth of the annular groove 23 is smaller than the width of the sealing ring 3, after the sealing ring 3 is embedded into the annular groove 23, part of the sealing ring is exposed outside the annular groove 23, and the exposed part is in frictional contact with the annular groove 23.
Preferably, the cross section of the sealing ring 3 is circular, that is, the surface of the sealing ring 3 is arc-shaped, and the arc-shaped surface is in closer contact with the outer surface of the spherical rotating cover 1, and simultaneously, the scratching of the outer surface of the rotating cover 1 by the sealing ring 3 is also reduced.
Preferably, the sealing ring 3 is made of rubber, the rotating cover 1 is made of plastic doped with glass fiber, the hardness of the sealing ring 3 is far smaller than that of the rotating cover 1, when the rotating cover 1 and the sealing ring 3 rub against each other, the outer surface of the rotating cover 1 is scratched by the friction ring 2 slightly, and although the rubber material is low in hardness, the rubber material is wear-resistant and long in service life.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Contact structure of down lamp body and lamp body, its characterized in that: the lamp comprises a rotating cover arranged at the top of a lamp body and a friction ring arranged at the top of a lamp shell and in sliding contact with the rotating cover;
the outer surface of the rotating cover is a spherical surface;
the friction ring is movably connected with the lamp shell.
2. A downlight body and housing contact structure according to claim 1, wherein: the lamp is characterized in that a plurality of clamping heads are arranged on the outer ring of the friction ring at intervals in the circumferential direction, and clamping grooves in one-to-one correspondence with the clamping heads are formed in the top of the lamp shell.
3. A downlight body and housing contact structure according to claim 1, wherein: the outer lane circumference interval of friction ring sets up a plurality of stopper, the top of lamp body be equipped with the spacing groove of stopper one-to-one.
4. A downlight body and housing contact structure according to claim 1, wherein: and the lower edge of the inner ring of the friction ring is provided with a fillet.
5. A downlight body and housing contact structure according to claim 4, wherein: and a lubricating film is arranged on the surface of the fillet.
6. A downlight body and housing contact structure according to claim 1, wherein: the friction ring has a hardness less than a hardness of the rotating housing.
7. A downlight body and housing contact structure according to any one of claims 1 to 6, wherein: the lower surface of friction ring is equipped with the sealing washer, the sealing washer with rotatory cover in close contact with.
8. A downlight body and housing contact structure according to claim 7, wherein: the lower surface of friction ring is equipped with and is used for holding the ring channel of sealing washer, the sealing washer embedding in the ring channel, the width of sealing washer is greater than the degree of depth of ring channel.
9. A downlight body and housing contact structure according to claim 7, wherein: the cross-section of the seal is circular.
10. A downlight body and housing contact structure according to claim 7, wherein: the hardness of the seal ring is less than that of the rotating cover.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437646.0U CN210511523U (en) | 2019-08-30 | 2019-08-30 | Contact structure of down lamp body and lamp housing |
| US16/852,471 US11168875B2 (en) | 2019-08-30 | 2020-04-18 | Downlight apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921437646.0U CN210511523U (en) | 2019-08-30 | 2019-08-30 | Contact structure of down lamp body and lamp housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210511523U true CN210511523U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921437646.0U Active CN210511523U (en) | 2019-08-30 | 2019-08-30 | Contact structure of down lamp body and lamp housing |
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| Country | Link |
|---|---|
| CN (1) | CN210511523U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879874A (en) * | 2021-01-15 | 2021-06-01 | 深圳民爆光电股份有限公司 | Universal rotation down lamp |
-
2019
- 2019-08-30 CN CN201921437646.0U patent/CN210511523U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879874A (en) * | 2021-01-15 | 2021-06-01 | 深圳民爆光电股份有限公司 | Universal rotation down lamp |
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