CN104421913A - Sealing device and lamp using the same - Google Patents
Sealing device and lamp using the same Download PDFInfo
- Publication number
- CN104421913A CN104421913A CN201310389611.5A CN201310389611A CN104421913A CN 104421913 A CN104421913 A CN 104421913A CN 201310389611 A CN201310389611 A CN 201310389611A CN 104421913 A CN104421913 A CN 104421913A
- Authority
- CN
- China
- Prior art keywords
- sealing device
- stuffing
- box
- linking arm
- cover plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/04—Provision of filling media
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a sealing device and a lamp using the same. The sealing device comprises a shell joint and a stuffing box, the stuffing box is held in the shell joint, the shell joint comprises a body part, a first connecting arm and a second connecting arm, a holding space for holding the stuffing box is opened in the body part, the first connecting arm is convexly arranged at one end of the body part while the second connecting arm is convexly arranged at the other end, the sealing device further comprises a pressing component, the pressing component comprises a cover board, a first connecting shaft, a clamp piece and a second connecting shaft, the cover board is rotationally connected with the first connecting arm through the first rotating shaft, the clamp piece is rotationally connected with the cover board through the second rotating shaft, the cover board rotates to the shell joint, and the clamp piece is clamped with the second connecting arm to press the stuffing box.
Description
Technical field
The present invention relates to lighting field, particularly relate to the light fixture of a kind of sealing device and application sealing device.
Background technology
The light fixtures such as explosion-proof lamp, platform lamp, tunnel lamp have become indispensable lighting lamp in people's life, work, and these light fixtures are applied to the places such as coal, oil field, petrochemical industry more and more, to meet the illumination needs of people.The electric energy that these light fixtures use external power supply (civil powers as 220 volts) to provide mostly is with satisfied illumination needs, and namely this light fixture is electrically connected by cable and extraneous power supply, to receive the electric energy of this external power supply input thus to light this light fixture.
But cable is accessed in the housing of light fixture by stuffing-box by existing light fixture mostly, and be mostly compacted on housing by the nut in adjustment housings at the stuffing-box of cable introducing place.User, in maintenance or when installing this light fixture, often needs tighten by instruments such as spanners or unclamp described nut, if user does not have spanner, stuffing-box cannot be mounted on housing.In addition, if this nut does not rotate to appropriate location, then this stuffing-box to cause gap between itself and housing and cable because of not compacted.So extraneous moisture or dust and other impurities may enter lamp interior by this gap, so can cause light fixture cannot steady operation, and the service life of light fixture can be affected.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of sealing device, its structure be simple, convenient operation, and sealing property is better, and contributes to the functional reliability improving light fixture.
The present invention also provides a kind of light fixture applying above-mentioned sealing device.
In order to solve the problems of the technologies described above, the invention provides a kind of sealing device, it comprises housing joint and stuffing-box, described stuffing-box is placed in described housing joint, described housing joint comprises main part, first linking arm and the second linking arm, described main part offers the spatial accommodation for accommodating described stuffing-box, described first linking arm and described second linking arm are convexly equipped in one end of described main part respectively, described sealing device also comprises pressing assembly, described pressing assembly comprises cover plate, first connecting axle, fastener and the second connecting axle, described cover plate is connected to described first linking arm rotationally by described first connecting axle, described fastener is connected to described cover plate rotationally by described second connecting axle, described cover plate turns to described housing joint, described fastener snaps into described second linking arm to compress described stuffing-box.
Wherein, described sealing device also comprises pad, and described pad is placed in the spatial accommodation of described housing joint, and gland on described stuffing-box to compress described stuffing-box.
Wherein, the side of described cover plate is convexly equipped with boss, the spatial accommodation in described housing joint aimed at by this boss, and support and be placed in pad in this spatial accommodation to compress described stuffing-box, this stuffing-box generation elastic deformation, with the gap between the inwall sealing this stuffing-box and described cable and stuffing-box and described housing joint.
Wherein, described first linking arm offers connecting hole in the one end away from this main part, the opposite end of described cover plate offers the first through hole and the second through hole respectively, described first connecting axle passes described first through hole and described connecting hole, to be connected to rotationally on the first linking arm of described housing joint by described cover plate.
Wherein, described cover plate comprises buckle, and this buckle is towards the second linking arm of described housing joint, and described second through hole is opened on this buckle, and this buckle is sticked in described second linking arm.
Wherein, described fastener comprises protruding end, and this protruding end offers fixing hole, and described second connecting axle is through described fixing hole and described second through hole, to be connected to by described fastener on the buckle of described cover plate rotationally, described protruding end supports the side of described second linking arm.
Wherein, the surface of described protruding end is circular arc.
Wherein, described housing joint is made up by integrated technique of aluminium diecasting, and described pad is formed by galvanized sheet die cut.
Wherein, described stuffing-box adopts the silicon rubber of 50 degree to be made by integral forming process.
Present invention also offers a kind of light fixture, it comprises cable and lamp casing, described light fixture also comprises described sealing device, and described sealing device is installed in one end of described lamp casing, and described cable is introduced by described sealing device and is fixed in described lamp casing.
In the light fixture that the embodiment of the present invention provides, described cable can be introduced in described lamp casing through described sealing device, described stuffing-box can be compressed by the cover plate that rotates described sealing device and the fastener that is connected with this cover plate, thus cable clamp is held in this stuffing-box.Therefore, the structure of described sealing device is simple and easy to operate, and user when safeguarding light fixture without the need to can installing by other instruments and compress cable, ensure that the sealing of described light fixture inner chamber, add the reliability of product, and save maintenance time and cost.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic perspective view of the light fixture that the embodiment of the present invention provides.
Fig. 2 is the schematic perspective view that the cable clamp shown in Fig. 1 is held in sealing device.
Fig. 3 is the perspective exploded view of the cable shown in Fig. 2 and sealing device.
Fig. 4 is the sectional view of the cable shown in Fig. 2 and sealing device.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, embodiment of the present invention provides a kind of light fixture 100, and it can be the ligthing paraphernalias such as explosion-proof lamp, platform lamp, tunnel lamp, and can be applicable to the places such as coal, oil field, petrochemical industry, to meet the illumination needs of people.Described light fixture 100 comprises cable 20, sealing device 30, lamp casing 40, lamp socket (not shown) and light source 60.
In an embodiment of the present invention, described lamp socket is arranged in described lamp casing 40, and described light source 60 is removably connected on this lamp socket, and keeps installation site by this lamp socket.Described sealing device 30 is connected to one end of described lamp casing 40, described cable 20 is through sealing device 30, and be electrically connected by sealing device 30 and the lamp socket in described lamp casing 40, thus the electric energy of extraneous power supply (civil powers as 220 volts) is delivered to this lamp socket, think that described light source 60 provides work energy.
In an embodiment of the present invention; described light fixture 100 also comprises the assemblies such as heat sink, driven unit, rectification circuit, lampshade; described lamp casing 40 is as the main body of this light fixture 100; it is for holding the lamp assemblies such as described lamp socket, heat sink, driven unit, rectification circuit in the inner; described lampshade is removably installed on this lamp casing 40, for the protection of described light source 60.
Described cable 20 and extraneous power supply are electrically connected, and the electric energy receiving the input of this external power supply is to provide work energy to described light fixture 100.
See also Fig. 3 and Fig. 4, in an embodiment of the present invention, described sealing device 30 comprises housing joint 32, stuffing-box 33, pad 34 and pressing assembly 35.
The cylindrical shape of described housing joint 32 entirety roughly in hollow, namely the cross section of this housing joint 32 is circular.In an embodiment of the present invention, described housing joint 32 can be made up by integrated technique of aluminium diecasting, and is fixed on described lamp casing 40 relative to the one end being provided with light source 60 by modes such as screw connection, welding, buckle connections.
Described housing joint 32 comprises main part 322, first linking arm 323 and the second linking arm 324, this main part 322 entirety is hollow and the through cylindrical shape in two ends, and it is fixed on one end of described lamp casing 40 by modes such as screw connection, welding, buckle connections.Described main part 322 inside offers the spatial accommodation 325 of hollow, and this spatial accommodation 325 is for holding described stuffing-box 33 in the inner.Described first linking arm 323 and the second linking arm 324 entirety roughly in rectangular-shaped, and be convexly equipped in the outer surface of described main part 322 respectively and be positioned at the edge of the relative both sides of this main part 322 one end.Described first linking arm 323 offers connecting hole 326 in the one end away from this main part 322, and this connecting hole 326 can match with described pressing assembly 35.
In an embodiment of the present invention, the cylindrical shape of described stuffing-box 33 entirety roughly in hollow, it can be made up by integral forming process of silicon rubber, concrete, this stuffing-box 33 can adopt the silicon rubber of 50 degree to be made by integral forming process, and it has good elasticity.The opposite end of described stuffing-box 33 is through, and can described cable 20 be introduced or be locked in described lamp casing 40, particularly, the external diameter of this stuffing-box 33 is equal to or slightly less than the aperture of the spatial accommodation 325 of described housing joint 32, and the length of this stuffing-box 33 is less than the length of this housing joint 32.Described stuffing-box 33 can be placed in the spatial accommodation 325 of the main part 322 of this housing joint 32, and closely cooperates with the inwall of this main part 322.Described cable 20 through this stuffing-box 33, and is locked and is fixed in this stuffing-box 33.
Be appreciated that, described stuffing-box 33 entirety also can be round table-like, triangular prism shape, quadrangular shape or other polygon prism shapes of hollow, correspondingly, lamp interior is entered in order to prevent extraneous moisture or dust and other impurities, the shape of the spatial accommodation 325 of the main part 322 of described housing joint 32 and the mating shapes of described stuffing-box 33, that is, the shape of this spatial accommodation 325 also can be cylindrical shape, round table-like hole, triangular prism shape hole, quadrangular shape or other polygon prism shapes.So, described stuffing-box 33 closely cooperates with the spatial accommodation 325 of described housing joint 32, can effectively prevent extraneous moisture or dust and other impurities from entering lamp interior by the gap between this stuffing-box 33 and described housing joint 32, avoiding this light fixture 100 cannot the risk of normal table work.
Described pad 34 is the overall pad roughly in annular, and it can be formed by galvanized sheet die cut.The external diameter of this pad 34 and size of internal diameter equals or close to the described external diameter of stuffing-box 33 and the size of internal diameter, described pad 34 is placed in the spatial accommodation 325 of described housing joint 32, and gland is on described stuffing-box 33, and fully contact with this stuffing-box 33.
In an embodiment of the present invention, described pressing assembly 35 comprises cover plate 351, first connecting axle 352, fastener 353 and the second connecting axle 354.Described cover plate 351 entirety is roughly in cuboid tabular, and it can be made up by integral forming process of die casting.The opposite end of this cover plate 351 offers the first through hole 355 and the second through hole 356 respectively.In an embodiment of the present invention, the size of this first through hole 355 and described connecting hole 326 is equal to or slightly larger than the size of described first connecting axle 352, this first connecting axle 352, through described first through hole 355 and connecting hole 326, is connected on the first linking arm 323 of described housing joint 32 rotationally by described cover plate 351.
One end of described cover plate 351 is convexly equipped with buckle 357, and this buckle 357 is towards the second linking arm 324 of described housing joint 32, and described second through hole 356 is opened on this buckle 357.Described cover plate 351 can rotate relative to this housing joint 32 around described first connecting axle 352, and can open on this housing joint 32 or from this housing joint 32 by gland.When described cover plate 351 turns on described housing joint 32 around this first connecting axle 352, described buckle 357 snaps on described second linking arm 324.The side of described cover plate 351 is convexly equipped with boss (not shown), and the spatial accommodation 325 in described housing joint 32 aimed at by this boss, and it is for compressing the pad 34 be placed in this spatial accommodation 325.
In an embodiment of the present invention, one end arc transition of described fastener 353, thus the protruding end 358 forming that appearance is circular arc.This protruding end 358 offers fixing hole 359, the size of this fixing hole 359 equals or slightly larger than the size of described second connecting axle 354, this second connecting axle 354, through described fixing hole 359 and the second through hole 356, is connected to by described fastener 353 on the buckle 357 of described cover plate 351 rotationally.Described fastener 353 can rotate relative to this cover plate 351 around described second connecting axle 354, then described protruding end 358 can support the side of described second linking arm 324, or removes from this second linking arm 324.When described cover plate 351 turns on this housing joint 32 around described first connecting axle 352, and this buckle 357 snaps on described second linking arm 324, then rotate described fastener 353 around this second connecting axle 354 to the direction near described housing joint 30, then described protruding end 358 can support the side of described second linking arm 324, make described cover plate 351 compress described pad 34, and then compress described stuffing-box 33.
See also Fig. 1 to Fig. 4, during assembling, described stuffing-box 33 is aimed at the spatial accommodation 325 in described housing joint 32, in the spatial accommodation 325 that this stuffing-box 33 is placed in, and closely cooperate with the inwall of described housing joint 32.Length due to this stuffing-box 33 is less than the length of this housing joint 32, is placed in described spatial accommodation 325 by described pad 34, and gland is on described stuffing-box 33, and fully contacts with this stuffing-box 33.By described first connecting axle 352 through the first through hole 355 on described cover plate 351 and the connecting hole 326 on described housing joint 32, be connected on the first linking arm 323 of described housing joint 32 rotationally by described cover plate 351, by described second connecting axle 354 through the fixing hole 359 on described buckle 357 and the second through hole 356 on described cover plate 351, be connected to rotationally by described fastener 353 on the buckle 357 of described cover plate 351.So, the assembling of described sealing device 30 can be completed.By described cable 20 successively through described cover plate 351, described pad 34 and described stuffing-box 33, then described cable 20 can be introduced in described lamp casing 40.
During use, turn on described housing joint 32 by described cover plate 351 around this first connecting axle 352, then described buckle 357 snaps on described second linking arm 324.Described fastener 353 is rotated relative to this cover plate 351 around described second connecting axle 354, until described protruding end 358 supports the side of described second linking arm 324.Now, the boss of described cover plate 351 side compresses the pad 34 be placed in this spatial accommodation 325, and then compress described stuffing-box 33, then there is elastic deformation in this stuffing-box 33, thus by the gap sealing between this stuffing-box 33 and inwall of described cable 20 and stuffing-box 33 and described housing joint 32.Now, described cable 20 can be introduced in described lamp casing 40, and is electrically connected with the lamp socket in this lamp casing 40, thus the electric energy of extraneous power supply (civil powers as 220 volts) is delivered to this lamp socket, thinks that described light source 60 provides work energy.Because described pad 34 gland is on described stuffing-box 33, and fully contact with this stuffing-box 33, then this stuffing-box 33 is even by the Area comparison compressed, thus avoid sealing that is that cause is the not tight problem because of uneven by the area that compresses, can effectively prevent extraneous moisture or dust and other impurities from entering lamp interior by the gap between this stuffing-box 33 and described housing joint 32 and cable 20, avoiding this light fixture 100 cannot the risk of normal table work.
In sum, in the light fixture 100 that the embodiment of the present invention provides, described cable 20 can be introduced in described lamp casing 40 through described sealing device 30, described stuffing-box 33 can be compressed by the cover plate 351 that rotates described sealing device 30 and the fastener 353 that is connected with this cover plate 351, thus cable 20 is held in this stuffing-box 33.Therefore, the structure of described sealing device 30 is simple and easy to operate, and user when safeguarding light fixture 100 without the need to can installing by other instruments and compressing cable 20, ensure that the sealing of described light fixture 100 inner chamber, add the reliability of product, and save maintenance time and cost.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a sealing device, it comprises housing joint and stuffing-box, described stuffing-box is placed in described housing joint, it is characterized in that, described housing joint comprises main part, first linking arm and the second linking arm, described main part offers the spatial accommodation for accommodating described stuffing-box, described first linking arm and described second linking arm are convexly equipped in one end of described main part respectively, described sealing device also comprises pressing assembly, described pressing assembly comprises cover plate, first connecting axle, fastener and the second connecting axle, described cover plate is connected to described first linking arm rotationally by described first connecting axle, described fastener is connected to described cover plate rotationally by described second connecting axle, described cover plate turns to described housing joint, described fastener snaps into described second linking arm to compress described stuffing-box.
2. sealing device according to claim 1, is characterized in that, described sealing device also comprises pad, and described pad is placed in the spatial accommodation of described housing joint, and gland on described stuffing-box to compress described stuffing-box.
3. sealing device according to claim 2, it is characterized in that, the side of described cover plate is convexly equipped with boss, the spatial accommodation in described housing joint aimed at by this boss, and support and be placed in pad in this spatial accommodation to compress described stuffing-box, this stuffing-box generation elastic deformation, with the gap between the inwall sealing this stuffing-box and described cable and stuffing-box and described housing joint.
4. sealing device according to claim 1, it is characterized in that, described first linking arm offers connecting hole in the one end away from this main part, the opposite end of described cover plate offers the first through hole and the second through hole respectively, described first connecting axle passes described first through hole and described connecting hole, to be connected to rotationally on the first linking arm of described housing joint by described cover plate.
5. sealing device according to claim 4, is characterized in that, described cover plate comprises buckle, and this buckle is towards the second linking arm of described housing joint, and described second through hole is opened on this buckle, and this buckle is sticked in described second linking arm.
6. sealing device according to claim 5, it is characterized in that, described fastener comprises protruding end, this protruding end offers fixing hole, described second connecting axle is through described fixing hole and described second through hole, to be connected to by described fastener on the buckle of described cover plate rotationally, described protruding end supports the side of described second linking arm.
7. sealing device according to claim 6, is characterized in that, the surface of described protruding end is circular arc.
8. sealing device according to claim 1, is characterized in that, described housing joint is made up by integrated technique of aluminium diecasting, and described pad is formed by galvanized sheet die cut.
9. sealing device according to claim 1, is characterized in that, described stuffing-box adopts the silicon rubber of 50 degree to be made by integral forming process.
10. a light fixture, it comprises cable and lamp casing, it is characterized in that, described light fixture also comprises the sealing device as described in any one of claim 1 to 9, described sealing device is installed in one end of described lamp casing, and described cable is introduced by described sealing device and is fixed in described lamp casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310389611.5A CN104421913A (en) | 2013-08-30 | 2013-08-30 | Sealing device and lamp using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310389611.5A CN104421913A (en) | 2013-08-30 | 2013-08-30 | Sealing device and lamp using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104421913A true CN104421913A (en) | 2015-03-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310389611.5A Pending CN104421913A (en) | 2013-08-30 | 2013-08-30 | Sealing device and lamp using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104421913A (en) |
Citations (7)
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| CN2851147Y (en) * | 2005-11-12 | 2006-12-27 | 燕和平 | Quick open-close sealed bottle cover |
| CN201371903Y (en) * | 2009-03-09 | 2009-12-30 | 周新军 | Bicycle folder |
| CN101709859A (en) * | 2009-11-19 | 2010-05-19 | 海洋王照明科技股份有限公司 | Sealing structure of wire inlet hole and explosion-proof lamp |
| CN201951647U (en) * | 2011-03-23 | 2011-08-31 | 广州市银三环机械有限公司 | Bicycle folding box |
| CN202251057U (en) * | 2011-09-02 | 2012-05-30 | 濮阳市华凯塑化有限公司 | Novel packing sealing device |
| CN202636452U (en) * | 2012-05-31 | 2013-01-02 | 石奇 | Durable sealing device of cup |
| CN102850613A (en) * | 2011-06-30 | 2013-01-02 | 海洋王照明科技股份有限公司 | Sealing stuffing and preparation method thereof, and explosion-proof light with fire-retardant property |
-
2013
- 2013-08-30 CN CN201310389611.5A patent/CN104421913A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2851147Y (en) * | 2005-11-12 | 2006-12-27 | 燕和平 | Quick open-close sealed bottle cover |
| CN201371903Y (en) * | 2009-03-09 | 2009-12-30 | 周新军 | Bicycle folder |
| CN101709859A (en) * | 2009-11-19 | 2010-05-19 | 海洋王照明科技股份有限公司 | Sealing structure of wire inlet hole and explosion-proof lamp |
| CN201951647U (en) * | 2011-03-23 | 2011-08-31 | 广州市银三环机械有限公司 | Bicycle folding box |
| CN102850613A (en) * | 2011-06-30 | 2013-01-02 | 海洋王照明科技股份有限公司 | Sealing stuffing and preparation method thereof, and explosion-proof light with fire-retardant property |
| CN202251057U (en) * | 2011-09-02 | 2012-05-30 | 濮阳市华凯塑化有限公司 | Novel packing sealing device |
| CN202636452U (en) * | 2012-05-31 | 2013-01-02 | 石奇 | Durable sealing device of cup |
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Application publication date: 20150318 |