CN201803329U - Lamp with impact-resistant protective cover - Google Patents
Lamp with impact-resistant protective cover Download PDFInfo
- Publication number
- CN201803329U CN201803329U CN2010205520724U CN201020552072U CN201803329U CN 201803329 U CN201803329 U CN 201803329U CN 2010205520724 U CN2010205520724 U CN 2010205520724U CN 201020552072 U CN201020552072 U CN 201020552072U CN 201803329 U CN201803329 U CN 201803329U
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- China
- Prior art keywords
- protective cover
- lamp housing
- light fixture
- shock
- rotating shaft
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Abstract
The utility model relates to the technical field of lamps and provides a lamp with an impact-resistant protective cover. The lamp comprises a protective cover and a lamp housing, the protective cover is capped above the lamp; the protective cover is connected with the lamp housing through an elastic structure on the protective cover. As the protective cover is connected with the lamp housing though the elastic structure arranged on the protective cover, the elastic structure can deform elastically when the protective cover is impacted, and the protective cover can absorb a great amount of impact energy in the process. The impact-resistant performance of the protective cover and the level of protection can be increased without materials with higher intensity or more materials, thereby saving material and reducing production and transportation cost.
Description
Technical field
The utility model relates to light fixture guard technology field, relates in particular to a kind of light fixture with shock-resistant protective cover.
Background technology
Light fixture, particularly underground work lighting in use, are subjected to the outside through regular meeting and collide and damage.In order to address this problem, this area is generally adopted the lamp housing that impact-resistant high-strength material makes or is adopted modes such as strengthening thickening to increase degree of protection, thereby plays crashproof, as to protect light fixture effect.In addition, the structure that also has some light fixtures employings to add protective cover strengthens the security performance of light fixture, but effect is all undesirable.
For the former, the mode that adopts high-strength material or strengthen thickening not only can increase production cost greatly, and makes that the light fixture volume is excessive or weight is excessive, brings very big inconvenience for the installation and the transportation of light fixture, also may increase manufacturing process, further improve production cost.
For the latter because existing protective cover all is to be fixedly arranged on the lamp housing, promptly between protective cover and the lamp housing for being rigidly connected, so the buffer capacity of protective cover when being subjected to impacting is poor.In order to improve the degree of protection of protective cover, prior art adopts more high-intensity material or more material (as the metallic rod of overstriking protective cover) to make protective cover usually, strengthens the impact resistance (promptly improving the degree of protection of protective cover) of protective cover with this.But the defective of this way is consistent with aforementioned manner, the manufacturing and the cost of transportation of promptly easy waste material, increase protective cover.
The utility model content
The purpose of this utility model is to provide a kind of low light fixture with shock-resistant protective cover of material, production and cost of transportation of saving.
The utility model is achieved in that a kind of light fixture with shock-resistant protective cover, comprises protective cover, and described protective cover covers at described light fixture top, and described light fixture also comprises a lamp housing, and described protective cover is connected with described lamp housing by elastic construction provided thereon.
Particularly, the shape of described protective cover and described lamp housing is complementary, and described protective cover is square after launching.
More specifically, described elastic construction is four rotating shafts that are fixedly arranged on place, four angles of described protective cover respectively, and described rotating shaft is the end of the extended hook arrangement of described protective cover, and described protective cover is rotationally connected by described rotating shaft and described lamp housing.
More specifically, two rotating shafts of described protective cover both sides relatively, be provided with coaxially.
More specifically, described each rotating shaft is rotationally connected by a compressing tablet and described lamp housing respectively, described compressing tablet comprises an evener and a curved portions that is connected with described evener, offer at least one installing hole on the described evener, described evener is fixed on the horizontal stand of described lamp housing by the securing member that is arranged in described installing hole, the horizontal stand of described curved portions and described lamp housing is fitted, and described rotating shaft is defined in the accommodation space between the horizontal stand of described curved portions and described lamp housing.
More specifically, also be respectively equipped with the stopper section that the outer end with described each rotating shaft contacts on the described lamp housing.
More specifically, the shape of described lamp housing is the triangular column, and described protective cover is arch or arc, and its knee of arching upward is with respect to the unsettled setting of described lamp housing.
More specifically, described protective cover is a network structure.
More specifically, described protective cover is welded by the metallic rod of some crisscross settings.
Because protective cover is connected with lamp housing by elastic construction provided thereon, when protective cover was subjected to foreign impacts, elastic construction can produce strain, and in this process, protective cover can absorb a large amount of impact energys.
The lamp housing made from the impact-resistant high-strength material of existing employing or adopt modes such as strengthening thickening to increase the lamp housing degree of protection and compare, the structure that protective cover of the present invention does not need to adopt high-strength material or strengthens the thickening lamp housing, can strengthen the impact resistance of protective cover, improve degree of protection, thereby saved material, reduced production and cost of transportation.
Compare with rigidly connected mode between existing protective cover and the lamp housing, because protective cover of the present invention is connected with lamp housing by elastic construction provided thereon, when protective cover is subjected to foreign impacts, elastic construction can produce strain, can absorb a large amount of impact energys, make lamp housing 2 durable in use, thereby improved the degree of protection of light fixture widely, promoted the security performance of light fixture significantly.
Description of drawings
Fig. 1 is that protective cover that the utility model embodiment provides is installed on the effect schematic diagram on the lamp housing;
The enlarged drawing at A place among Fig. 1 on Fig. 2;
Fig. 3 is the structural representation of the protective cover that provides of the utility model embodiment;
Fig. 4 is the structural representation of the compressing tablet that provides of the utility model embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.
Consult Fig. 1～shown in Figure 3, a kind of light fixture with shock-resistant protective cover that the utility model embodiment provides, this protective cover 1 cover at light fixture (see figure 1) top, and this light fixture comprises a lamp housing 2, and protective cover 1 is connected with lamp housing 2 by elastic construction provided thereon.
Because protective cover 1 is connected with lamp housing 2 by elastic construction provided thereon, when protective cover 1 was subjected to foreign impacts, elastic construction can produce strain, and in this process, protective cover 1 can absorb a large amount of impact energys.
The lamp housing made from the impact-resistant high-strength material of existing employing or adopt modes such as strengthening thickening to increase the lamp housing degree of protection and compare, the structure that protective cover 1 of the present invention does not need to adopt high-strength material or strengthens thickening lamp housing 2, can strengthen the impact resistance of protective cover 1, improve degree of protection, thereby saved material, reduced production and cost of transportation.
Compare with rigidly connected mode between existing protective cover and the lamp housing, because protective cover 1 of the present invention is connected with lamp housing 2 by elastic construction provided thereon, when protective cover 1 is subjected to foreign impacts, elastic construction can produce strain, can absorb a large amount of impact energys, make lamp housing 2 durable in use, thereby improved the degree of protection of light fixture widely, promoted the security performance of light fixture significantly.
Below each part of the utility model embodiment is described in detail.
As shown in Figure 3, protective cover 1 is complementary with the shape of lamp housing 2, is square after protective cover 1 launches, elastic construction is four rotating shafts 11 that are fixedly arranged on place, 1 four angles of protective cover respectively, and both sides, 11 fens positions of four rotating shafts, two of every sides are used for protective cover 1 is fixed on lamp housing 2.Rotating shaft 11 is the end of protective cover 1 extended hook arrangement, and two rotating shafts 11 of every side are arranged on the protective cover 1 relatively, coaxially.
With reference to Fig. 2, Fig. 4, connected mode between rotating shaft 11 and the lamp housing 2 is: each rotating shaft 11 is rotationally connected with lamp housing 2 by a compressing tablet 3 respectively, compressing tablet 3 comprises an evener 31 and a curved portions 32 that is connected with evener 31, offer at least one installing hole 33 on the evener 31, compressing tablet 3 is fixed to by the securing member 34 that is arranged in installing hole 33 on the horizontal stand 21 of lamp housing 2 (securing member 34 preferred screws); Curved portions 32 is fitted with the horizontal stand 21 of lamp housing 2, and rotating shaft 11 is defined in the accommodation space between the horizontal stand of curved portions 32 and lamp housing 2, and like this, rotating shaft 11 is just rotated in the accommodation space of curved portions 32 and horizontal stand 21 formation.Cause deviating from order to prevent that rotating shaft 11 from moving along its axis direction, also be respectively equipped with the stopper section 22 that the outer end with each rotating shaft 11 contacts on lamp housing 2, stopper section 22 can stop the axially-movable of rotating shaft 11.
When protective cover 1 is subjected to the impact of external force, because the rotating shaft 11 at place, 1 four angles of protective cover is spacing in the accommodation space of curved portions 32 and horizontal stand 21 formation, therefore, rotating shaft 11 can be subjected to the impact of external force and flexural deformation, in this process, the external force that protective cover 1 is subjected to has obtained buffering, and after external force disappeared, rotating shaft 11 restored to the original state.Particularly, suppose that the impulsive force that protective cover 1 is subjected to is F, the quality of alluvium is m, the acceleration of alluvium is a, impulsive force F=ma then, owing to 11 stretcher strains of impact process shaft have cushioned the external force that protective cover 1 is subjected to, the acceleration a of external force can reduce greatly, like this, impulsive force F also can reduce greatly.
For the shape that makes protective cover 1 and the shape of lamp housing 2 are complementary, in the present embodiment, when the shape of lamp housing 2 is the triangular column, then protective cover 1 is arch or arc, its knee of arching upward is with respect to lamp housing 2 unsettled settings, and like this, protective cover 1 just can successfully be installed on the lamp housing 2.When protective cover 1 was subjected to external impacts, cushioning effect had been played in the elastic construction generation deformation of protective cover 1.(F is that protective cover 1 is subjected to the external force that alluvium impacts according to Ft=M Δ V, t is the deformation time of protective cover 1, M is the quality of alluvium, Δ V is the speed variable of alluvium), because the size of M, Δ V is definite constant, therefore, M Δ V is a steady state value, the deformation time t of protective cover 1 is big more, and the external force F that protective cover 1 is subjected to is just more little.Therefore; protective cover 1 takes place in the process of strain; in order to prolong the time of protective cover 1 distortion; the relative lamp housing 2 unsettled settings in the knee of arching upward of protective cover 1; to increase the deformable amount of protective cover; thereby prolonging is deformation time (buffer time), and light fixture is reduced greatly in the impulsive force that all directions (as protective cover 1 both sides, top) are subjected to, and has effectively protected light fixture.
Particularly, protective cover 1 can be made as network structure, has guaranteed that the light that light fixture sends can normally shine out, does not influence the illumination of light fixture.Be preferably, protective cover 1 is welded by the metallic rod of some crisscross settings, and why protective cover 1 adopts metallic rod to make, and at this moment, the rotating shaft 11 metallic rod bending that is positioned at ragged edge of can serving as reasons forms.The employing metallic rod is made, and it is strong shock resistance, not yielding and fracture not only, can protect light fixture well, and material cheaply is easy to get, and can guarantee its reliability again.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. the light fixture with shock-resistant protective cover comprises protective cover, and described protective cover covers at described light fixture top, and described light fixture also comprises a lamp housing, it is characterized in that: described protective cover is connected with described lamp housing by elastic construction provided thereon.
2. the light fixture with shock-resistant protective cover as claimed in claim 1 is characterized in that: the shape of described protective cover and described lamp housing is complementary, and is square after launching.
3. the light fixture with shock-resistant protective cover as claimed in claim 2, it is characterized in that: described elastic construction is four rotating shafts that are fixedly arranged on place, four angles of described protective cover respectively, described rotating shaft is the end of the extended hook arrangement of described protective cover, and described protective cover is rotationally connected by described rotating shaft and described lamp housing.
4. the light fixture with shock-resistant protective cover as claimed in claim 3 is characterized in that: two rotating shafts of described protective cover both sides are provided with relatively, coaxially.
5. as claim 3 or 4 described light fixtures with shock-resistant protective cover, it is characterized in that: described each rotating shaft is rotationally connected by a compressing tablet and described lamp housing respectively, described compressing tablet comprises an evener and a curved portions that is connected with described evener, offer at least one installing hole on the described evener, described evener is fixed on the horizontal stand of described lamp housing by the securing member that is arranged in described installing hole, the horizontal stand of described curved portions and described lamp housing is fitted, and described rotating shaft is defined in the accommodation space between the horizontal stand of described curved portions and described lamp housing.
6. the light fixture with shock-resistant protective cover as claimed in claim 5 is characterized in that: also be respectively equipped with the stopper section that the outer end with described each rotating shaft contacts on the described lamp housing.
7. the light fixture with shock-resistant protective cover as claimed in claim 6 is characterized in that: the shape of described lamp housing is the triangular column, and described protective cover is arch or arc, and its knee of arching upward is with respect to the unsettled setting of described lamp housing.
8. the light fixture with shock-resistant protective cover as claimed in claim 7 is characterized in that: described protective cover is a network structure.
9. the light fixture with shock-resistant protective cover as claimed in claim 8 is characterized in that: described protective cover is welded by the metallic rod of some crisscross settings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205520724U CN201803329U (en) | 2010-10-08 | 2010-10-08 | Lamp with impact-resistant protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205520724U CN201803329U (en) | 2010-10-08 | 2010-10-08 | Lamp with impact-resistant protective cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201803329U true CN201803329U (en) | 2011-04-20 |
Family
ID=43872828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205520724U Expired - Fee Related CN201803329U (en) | 2010-10-08 | 2010-10-08 | Lamp with impact-resistant protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201803329U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017095A (en) * | 2011-09-26 | 2013-04-03 | 海洋王照明科技股份有限公司 | Lamp protective cover for welding and lamp |
| CN105180085A (en) * | 2015-09-23 | 2015-12-23 | 常州利普金属制品有限公司 | Explosion proof type lampshade |
-
2010
- 2010-10-08 CN CN2010205520724U patent/CN201803329U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017095A (en) * | 2011-09-26 | 2013-04-03 | 海洋王照明科技股份有限公司 | Lamp protective cover for welding and lamp |
| CN103017095B (en) * | 2011-09-26 | 2015-07-01 | 海洋王照明科技股份有限公司 | Lamp protective cover for welding and lamp |
| CN105180085A (en) * | 2015-09-23 | 2015-12-23 | 常州利普金属制品有限公司 | Explosion proof type lampshade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20181008 |