CN101413645A - Falling-proof apparatus of light fitting and chamber type working light fitting - Google Patents
Falling-proof apparatus of light fitting and chamber type working light fitting Download PDFInfo
- Publication number
- CN101413645A CN101413645A CNA2008102179345A CN200810217934A CN101413645A CN 101413645 A CN101413645 A CN 101413645A CN A2008102179345 A CNA2008102179345 A CN A2008102179345A CN 200810217934 A CN200810217934 A CN 200810217934A CN 101413645 A CN101413645 A CN 101413645A
- Authority
- CN
- China
- Prior art keywords
- light fixture
- elastic component
- casing
- proof device
- falling proof
- Prior art date
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a drop prevention device of light fittings and a box type work light fitting, wherein, the drop prevention device has damping function. The box type work light fitting includes a box body (5), a light source (6) and the drop prevention device which comprises an inner pipe (1) of a telescopic bushing, an outer pipe (2), an elastic component (3) and two damping components (4); wherein, the elastic component (3) comprises a V-shaped body (30) and two cross rods (31) which are positioned at the two sides of an opening at the top of the V-shaped body (30) in a symmetrical way; the inner side of each of the damping components (4) is respectively provided with a blind hole (41); the side wall at the lower part of the inner pipe (1) is provided with two symmetrical through holes (10); the elastic component (3) is positioned inside the inner pipe (1); the two cross rods (31) are respectively inserted into the two blind holes (41); the two damping components (4) extends out from the inside of the inner pipe (1) through two through holes (10) and leans against the inner side wall of the outer pipe (2), and a light source (6) is connected on the top of the telescopic bushing in a detachable way. The invention can be widely applied to the field of light fittings.
Description
Technical field
The present invention relates to a kind of falling proof device of light fixture, also relate to a kind of box work light fixture that comprises this falling proof device in addition.
Background technology
Some light fixture such as portable lamp need use in different workplaces, and therefore the height of light source being regulated is a necessary function.Some light fixture realizes regulating height by telescopic tube at present, but when regulating, when unclamping the locking device of sleeve pipe, because light source is connected with uppermost sleeve pipe, therefore under the gravity of light source and sleeve pipe, sleeve pipe falls rapidly easily, damages light source and light fixture easily, falls and also easily causes potential safety hazard.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of falling proof device of light fixture is provided, and falls suddenly to prevent light fixture.
In addition, the present invention also provides a kind of box work light fixture that comprises this falling proof device.
The technical scheme that falling proof device adopted of light fixture of the present invention is: the falling proof device of described light fixture comprises the interior pipe of telescopic tube, outer tube, the falling proof device of described light fixture also comprises elastic component, two damping pieces, described elastic component comprises the V-arrangement main body, two cross bars, two described cross bars are positioned at the bilateral symmetry setting of described V-arrangement main body top end opening, the inboard of each described damping piece respectively is provided with a blind hole, the lower sides of pipe is provided with the through hole of two symmetries in described, described elastic component is positioned at the inside of described pipe, two described cross bars insert respectively in two described blind holes, and two described damping pieces inside of pipe in described is stretched out by two described through holes and is resisted against on the madial wall of described outer tube.
Described damping piece is stepped pad, and the diameter of the bigger end of described damping piece is greater than the diameter of described through hole.
The manufacturing that is formed in one of described elastic component.
The section of described elastic component is circular.
The technical scheme that the box work light fixture of the present invention is adopted is: described box work light fixture comprises casing, light source, described light source can place in described casing, described box work light fixture also comprises the falling proof device of light fixture, the falling proof device of described light fixture comprises the interior pipe of telescopic tube, outer tube, the falling proof device of described light fixture also comprises elastic component, two damping pieces, described elastic component comprises the V-arrangement main body, two cross bars, two described cross bars are positioned at the bilateral symmetry setting of described V-arrangement main body top end opening, the inboard of each described damping piece respectively is provided with a blind hole, the lower sides of pipe is provided with the through hole of two symmetries in described, described elastic component is positioned at the inside of described pipe, two described cross bars insert respectively in two described blind holes, two described damping pieces inside of pipe in described is stretched out by two described through holes and is resisted against on the madial wall of described outer tube the dismountable top that is connected in described telescopic tube of described light source.
Described damping piece is stepped pad, and the diameter of the bigger end of described damping piece is greater than the diameter of described through hole.
The manufacturing that is formed in one of described elastic component.
The section of described elastic component is circular.
Fixedly connected between the inner and outer pipes of described telescopic tube by retaining ring.
Described casing comprises three formations, and hinged and be tripod type distribute after expansion between three of described casing, described telescopic tube is hinged axle center between three of described casing.
Described casing is connected by buckle between two of the outside when placing.
The outside of described casing is provided with handle.
Be provided with power supply in the described casing.
The invention has the beneficial effects as follows: because the falling proof device of light fixture of the present invention comprises the interior pipe of telescopic tube, outer tube and elastic component, two damping pieces, described elastic component comprises the V-arrangement main body, two cross bars, two described cross bars are positioned at the bilateral symmetry setting of described V-arrangement main body top end opening, the inboard of each described damping piece respectively is provided with a blind hole, the lower sides of pipe is provided with the through hole of two symmetries in described, described elastic component is positioned at the inside of described pipe, two described cross bars insert respectively in two described blind holes, two described damping pieces inside of pipe in described is stretched out by two described through holes and is resisted against on the madial wall of described outer tube, described elastic component applies external force to two described damping pieces, make two described damping pieces be resisted against on the madial wall of described outer tube, therefore be subjected to the effect of described damping piece between the described interior pipe of telescopic tube and the described outer tube, therefore have damping function, after the locking device of the telescopic tube of light fixture unclamps, slip can not take place rapidly between pipe and the described outer tube in described yet and make described interior pipe fall, when shrink sleeve, apply axial force with hand and still can overcome damping, make and shrink smoothly, not only prevented the damage of light source and light fixture, also increased simultaneously security, the potential safety hazard that having avoided falls brings is so the present invention can prevent that light fixture from falling;
Because casing of the present invention comprises three formations, hinged and after expansion, be tripod type and distribute between three of described casing, described telescopic tube is hinged axle center between three of described casing, being tripod type between three of described casing distributes, make light fixture have better stability, described telescopic tube is hinged axle center between three of described casing, make the gravity of light fixture be positioned near the center of described casing, can prevent effectively that light fixture from toppling over, also can keep stable even install big heavier light fixture additional at the top of described telescopic tube, so the present invention is firm when using, difficultly topple over.
Description of drawings
Fig. 1 is the blast structural representation of the falling proof device of light fixture of the present invention;
Fig. 2 is the assembly structure sectional schematic diagram of the falling proof device of light fixture of the present invention;
Fig. 3 is the structural representation of the box work light fixture of the present invention user mode;
Fig. 4 is the structural representation of the box work light fixture of the present invention shrink sleeve contraction state;
Fig. 5 is the structural representation that the box work light fixture of the present invention places state.
The specific embodiment
As Fig. 1～shown in Figure 5, box work light fixture of the present invention comprises casing 5, light source 6, the falling proof device of light fixture, described light source 6 can place in described casing 5, described casing 5 comprises three formations, hinged and after expansion, be tripod type and distribute between three of described casing 5, make light fixture have better stability, described casing 5 is provided with three sections telescopic tubes 1,2,7, described telescopic tube 1,2,7 between three of described casing 5 hinged axle center, described light source 6 dismountable tops that are connected in uppermost described telescopic tube 1, make the gravity of light fixture be positioned near the center of described casing 5, can prevent effectively that light fixture from toppling over, also can keep stable even install big heavier light fixture additional at the top of described telescopic tube 1, described casing 5 is connected by buckle 51 between two of the outside when placing, the outside of described casing 5 is provided with handle 52, is provided with power supply 9 in the described casing 5.
Be positioned at top described telescopic tube 1, fixedly connected between 2 by retaining ring 81, fix when being used to use, also be provided with the falling proof device of light fixture simultaneously, the falling proof device of described light fixture comprises elastic component 3, two damping pieces 4, described elastic component 3 comprises V-arrangement main body 30, two cross bars 31, two described cross bars 31 are positioned at the bilateral symmetry setting of described V-arrangement main body 30 top end openings, the inboard of each described damping piece 4 respectively is provided with a blind hole 41, the lower sides of pipe 1 is provided with the through hole 10 of two symmetries in described, described elastic component 3 is positioned at the inside of described pipe 1, two described cross bars 31 insert respectively in two described blind holes 41, two described damping pieces 4 inside of pipe 1 in described is stretched out by two described through holes 10 and is resisted against on the madial wall of described outer tube 2, described damping piece 4 is stepped pad, the diameter of described damping piece 4 bigger ends is greater than the diameter of described through hole 10, described elastic component 3 adopts the one-body molded manufacturing of metal material, can certainly adopt other material, the section of described elastic component 3 is circular.3 pairs two described damping pieces 4 of elastic component of the present invention apply external force, make two described damping pieces 4 be resisted against on the madial wall of described outer tube 2, therefore be subjected to the effect of described damping piece 4 between the described interior pipe 1 of telescopic tube and the described outer tube 2, therefore have damping function, after the described retaining ring 81 of the telescopic tube of light fixture is unclamped, slip can not take place rapidly between pipe 1 and the described outer tube 2 in described yet and make described interior pipe 2 fall, when shrink sleeve, apply axial force with hand and still can overcome damping, make and shrink smoothly, not only prevented the damage of light source and light fixture, also increased simultaneously security, therefore the potential safety hazard that having avoided falls brings can prevent that light fixture from falling.
In like manner, fixedly connected by retaining ring 82 between following described telescopic tube 2,7, also be provided with the falling proof device of the aforesaid light fixture of a cover between the described telescopic tube 2,7, prevent to take place between the described telescopic tube 2,7 to slide relatively and fall.
Light source described in the present invention 6 can adopt various light sources.
The present invention can be widely used in field of light fittings.
Claims (10)
1, a kind of falling proof device of light fixture, the interior pipe (1) that comprises telescopic tube, outer tube (2), it is characterized in that: the falling proof device of described light fixture also comprises elastic component (3), two damping pieces (4), described elastic component (3) comprises V-arrangement main body (30), two cross bars (31), two described cross bars (31) are positioned at the bilateral symmetry setting of described V-arrangement main body (30) top end opening, the inboard of each described damping piece (4) respectively is provided with a blind hole (41), the lower sides of pipe (1) is provided with the through hole (10) of two symmetries in described, described elastic component (3) is positioned at the inside of described pipe (1), two described cross bars (31) insert respectively in two described blind holes (41), and two described damping pieces (4) stretch out by two described through holes (10) from the inside of described interior pipe (1) and are resisted against on the madial wall of described outer tube (2).
2, the falling proof device of light fixture according to claim 1 is characterized in that: described damping piece (4) is stepped pad, and the diameter of the bigger end of described damping piece (4) is greater than the diameter of described through hole (10).
3, the falling proof device of light fixture according to claim 1 is characterized in that: described elastic component (3) manufacturing that is formed in one.
4, the falling proof device of light fixture according to claim 3 is characterized in that: the section of described elastic component (3) is for circular.
5, a kind of box work light fixture, comprise casing (5), light source (6), described light source (6) can place in described casing (5), it is characterized in that: described box work light fixture also comprises the falling proof device of any described light fixture of claim 1 to 4, the dismountable top that is connected in described telescopic tube of described light source (6).
6, box work light fixture according to claim 5 is characterized in that: fixedly connected by retaining ring between the inner and outer pipes of described telescopic tube.
7, box work light fixture according to claim 5, it is characterized in that: described casing (5) comprises three formations, hinged and be tripod type distribute after expansion between three of described casing (5), described telescopic tube is positioned at hinged axle center between three of described casing (5).
8, box work light fixture according to claim 5, it is characterized in that: described casing (5) is connected by buckle (51) between two of the outside when placing.
9, box work light fixture according to claim 5, it is characterized in that: the outside of described casing (5) is provided with handle (52).
10, box work light fixture according to claim 5 is characterized in that: be provided with power supply (9) in the described casing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810217934A CN100575779C (en) | 2008-12-02 | 2008-12-02 | The falling proof device of light fixture and box work light fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810217934A CN100575779C (en) | 2008-12-02 | 2008-12-02 | The falling proof device of light fixture and box work light fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101413645A true CN101413645A (en) | 2009-04-22 |
| CN100575779C CN100575779C (en) | 2009-12-30 |
Family
ID=40594305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810217934A Expired - Fee Related CN100575779C (en) | 2008-12-02 | 2008-12-02 | The falling proof device of light fixture and box work light fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100575779C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174093A (en) * | 2014-09-13 | 2014-12-03 | 刘庆芳 | Extensible infusion support |
| CN110258407A (en) * | 2019-07-26 | 2019-09-20 | 浙江工业职业技术学院 | A kind of cleaning brush attachment device and cleaning equipment |
-
2008
- 2008-12-02 CN CN200810217934A patent/CN100575779C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174093A (en) * | 2014-09-13 | 2014-12-03 | 刘庆芳 | Extensible infusion support |
| CN110258407A (en) * | 2019-07-26 | 2019-09-20 | 浙江工业职业技术学院 | A kind of cleaning brush attachment device and cleaning equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100575779C (en) | 2009-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102454962B (en) | Height adjusting device and lighting lamp using same | |
| CN208605878U (en) | A kind of language teaching displaying device | |
| US20170089375A1 (en) | Telescoping Pipe Fitting | |
| CN100575779C (en) | The falling proof device of light fixture and box work light fixture | |
| CN204459664U (en) | A kind of tripod with fast stepless lifting locking function | |
| EP2881598A1 (en) | Quick-connection anti-loosening device | |
| TW200635824A (en) | Bicycle seat post fixing structure | |
| CN104358932B (en) | Suspension type pipe clamp | |
| CN201310840Y (en) | Falling protection device for lamps and box-type working lamp | |
| CN202517439U (en) | Plug screw unscrewing tool | |
| CN201764219U (en) | Support | |
| US3022974A (en) | Accessory holding device | |
| CN212774185U (en) | Drilling machine and clamp buffering device | |
| CN205798969U (en) | Drilling tool fixed disk | |
| CN204254049U (en) | A kind of suspension type pipe clamp | |
| CN215009119U (en) | Electrical equipment box for engineering mechanical equipment | |
| CN204908822U (en) | Balcony pergola | |
| KR20040060892A (en) | the length controler of post for hanger | |
| CN209712173U (en) | A kind of fixed device of oil painting easel | |
| CN213541887U (en) | Groundwater sampling support | |
| CN205013453U (en) | Fixed screw structure of adjustable lock solid stroke | |
| AU2015100318A4 (en) | Universal bicycle handlebar mount + universal smartphone holder | |
| CN211466231U (en) | Engine cylinder sleeve disassembling equipment | |
| CN111674694B (en) | Protection device for petroleum machinery | |
| CN108075411A (en) | A kind of fastening clip for cable tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20141202 |
|
| EXPY | Termination of patent right or utility model |