CN201844366U - Shell and screw connection structure of explosion-proof lamp - Google Patents
Shell and screw connection structure of explosion-proof lamp Download PDFInfo
- Publication number
- CN201844366U CN201844366U CN2010205408387U CN201020540838U CN201844366U CN 201844366 U CN201844366 U CN 201844366U CN 2010205408387 U CN2010205408387 U CN 2010205408387U CN 201020540838 U CN201020540838 U CN 201020540838U CN 201844366 U CN201844366 U CN 201844366U
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- Prior art keywords
- nut
- screw
- lower cover
- explosion
- steel wire
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Abstract
The utility model provides a shell and screw connection structure of an explosion-proof lamp and relates to an explosion-proof lamp. The structure is simple. In the maintenance process, fine parts for connecting an upper cover with a lower cover do not need to be disassembled, and the maintenance is convenient.. The structure comprises an upper cover, a lower upper and a screw. The edge of the lower cover is provided with a semi-closed hole. The semi-closed hole comprises a lower cover opening. The lower cover opening faces toward the outer side of the lower cover. The edge of the upper cover is provided with a nut slot. The nut slot is provided with a bottom surface opening in the direction of the bottom surface of the upper cover. The upper cover is provided with a lateral surface opening toward the outside direction. The position of the nut slot corresponds to the position of the lower cover opening one by one. The screw passes through the semi-closed hole from the bottom surface of the lower cover and extends into the nut slot from the bottom surface opening. A nut connected on the screw is arranged in the nut slot. The nut can freely move in the nut slot and is limited in the nut slot by the edges of the bottom surface opening and the lateral surface opening. Therefore, the shell and screw connection structure is convenient for the field operation, the maintenance difficulty of the lamp is reduced, the operation is convenient, and the efficiency improved.
Description
Technical field
The utility model relates to a kind of light fixture, particularly relates to a kind of explosion-proof lamp.
Background technology
The structure of common explosion-proof lamp comprises with screw loam cake and lower cover is linked together.
When this structure is keeped in repair when light fixture, loam cake and lower cover need be opened, need be totally released the screw that connects upper and lower covers this moment, just can take off lower cover then.The shortcoming of this mode is parts such as screw, pad need be taken off fully, and the restriction in during the actual field operation because space etc. will be put the difficulty that the part that takes off has all increased operation.
The utility model content
Technical problem to be solved in the utility model is: a kind of explosion-proof lamp shell screw syndeton is provided, and this is simple in structure, does not need to dismantle the tiny parts that connect loam cake and lower cover in maintenance, maintains easily.
In order to solve technical problem of the present utility model, the utility model proposes a kind of explosion-proof lamp shell screw syndeton, it comprises loam cake, lower cover and screw;
Described lower cover edge is provided with semiclosed hole, and semiclosed hole comprises cover gab down, and following cover gab is towards the outside of lower cover;
The edge of described loam cake is provided with nut groove, and nut groove has the bottom surface opening on the direction of loam cake bottom surface, on the direction lateral opening is arranged laterally at loam cake, and the position of nut groove is corresponding one by one with the position of described cover gab down;
Described screw passes semiclosed hole by the lower cover bottom surface, is stretched in the nut groove by the bottom surface opening;
One nut that is connected on the screw is arranged in nut groove, and nut can be free movable in nut groove, and by the margin of bottom surface opening and lateral opening in nut groove.
Preferably: described nut groove is located in the nut cell body, and the nut cell body grows the described edge of cover gab down, is provided with a spring steel wire in the nut groove surface; Spring steel wire comprises two steel wire limits, and two steel wire limits intersect to form clamping elastic force on the top of spring steel wire, and the inside inflection in the lower end on two steel wire limits is relative, and after the lower end inflection of two steel wires, the spacing on the summit of their lower ends is less than the diameter of screw; Spring steel wire is located at the screw outside, is embedded in the shallow slot of nut groove surface; The bottom surface of nut cell body is stretched out in inflection place of spring steel wire.Spring steel wire can be held screw automatically when the screw end is raised, be convenient for people to take off lower cover and following cap assemblies.
Preferably: described semiclosed hole takes the shape of the letter U; Described bottom surface opening also takes the shape of the letter U.
Preferably: be provided with first packing ring between described screw and the described lower cover bottom surface.
Preferably: be provided with second packing ring between described nut and the described nut cell body.
Preferably: described nut cell body takes the shape of the letter U, and described wire spring also takes the shape of the letter U.
Preferably: between described screw and described lower cover bottom surface, be provided with spring washer.
The beneficial effects of the utility model:
Compared to existing technology, the utility model is designed to the junction of loam cake and lower cover the trough with straight angle structure of a kind of bottom surface and lateral opening.Function with existing light fixture when the characteristics of this structure are operate as normal is identical, when safeguarding when needing repairing, the screw and other parts that do not need to connect upper and lower covers unload, only need unclamp a part of screw thread of a part of screw, the screw that will unclamp is shown along the opening of upper and lower covers side direction then, and the screw of showing can be fastened automatically by spring steel wire, makes screw not sagging because of gravity, then can open lower cover and following cap assemblies at leisure, carry out maintenance maintenance work.Maintenance is finished the back and is only needed will descend earlier cap assemblies threading loam cake, then with have gentle hands gently set aside the screw shown again lock-screw get final product.Make things convenient for field operation like this, reduced the difficulty of light fixture maintenance maintenance, and easy to operate, improved efficient.
Description of drawings
Fig. 1 is the sectional structure chart that the utility model screw is in tightening state.
Fig. 2 is along the structure chart of A-A direction among Fig. 1.
Fig. 3 is the sectional structure chart that the utility model screw is in releasing orientation.
Fig. 4 is along the structure chart of B-B direction among Fig. 3.
Fig. 5 is the structure chart of figure lower cover.
Fig. 6 is the structure chart of loam cake.
Fig. 7 is the structure chart of spring steel wire.
The specific embodiment
The utility model provides a kind of explosion-proof lamp shell screw syndeton, and referring to Fig. 1, Fig. 2, Fig. 5, Fig. 6 and structure shown in Figure 7, this structure comprises loam cake 1 and cover assembly, lower cover 2 and following cap assemblies, screw 4, nut 3 and spring steel wire 6 etc.
Referring to Fig. 5, be provided with semiclosed hole 10 at lower cover 2 edges, semiclosed hole 10 comprises cover gab 100 down, following cover gab 100 is towards the outside of lower cover.
Referring to Fig. 6, the edge of loam cake 1 is provided with nut groove 11, and nut groove 11 has bottom surface opening 110 on the direction of loam cake bottom surface 12, on the direction lateral opening 111 is arranged laterally at loam cake 1, and the position of nut groove 11 is corresponding one by one with the position of following cover gab 100.As shown in Figure 5 and Figure 6, loam cake and cover down and be provided with four such pairing structures can also be the pairing structure of two, three, five and other quantity.
Referring to Fig. 1 and Fig. 2, screw 4 passes semiclosed hole 10 by lower cover bottom surface 12, is stretched in the nut groove 11 by bottom surface opening 110.
One nut 3 that is connected on the screw 4 is arranged in nut groove 11, and nut 3 can be free movable in the cavity of nut groove 11, and by the margin of bottom surface opening 110 and lateral opening 111 in nut groove 11.
Referring to Fig. 1 and Fig. 6, spring steel wire 6 is located at screw 4 outsides, is embedded in the shallow slot 130 on nut cell body 13 surfaces.The bottom surface of nut cell body is stretched out in inflection place of spring steel wire.Spring steel wire can be held screw automatically when the screw end is raised, be convenient for people to take off lower cover and following cap assemblies.
Semiclosed hole 10 can take the shape of the letter U, and bottom surface opening 110 also takes the shape of the letter U.Also can be as other semiclosed shapes such as semicircle, semiellipse, half rectangles.Be provided with first packing ring 7 between screw 4 and the lower cover bottom surface.Between the screw 4 and first packing ring 7, be provided with spring washer 8.Be provided with second packing ring 9 between nut 3 and the nut cell body 13.Nut cell body 13 takes the shape of the letter U, and wire spring 6 also takes the shape of the letter U.
Fig. 1 and Fig. 2 are the figure of screw tightening state, and user mode of the present utility model is referring to Fig. 3 and structure chart shown in Figure 4.
When need unload lower cover, only need unclamp a part of screw thread of a part of screw 4, the screw 4 that will unclamp is then shown along the opening of upper and lower covers side direction, the screw of showing 4 can be fastened automatically by spring steel wire 6, make screw 4 not sagging because of gravity, then can open lower cover and following cap assemblies at leisure, carry out maintenance maintenance work.Maintenance is finished the back and is only needed will descend earlier cap assemblies threading loam cake, then with have gentle hands gently set aside the screw shown again lock-screw get final product.
Claims (7)
1. an explosion-proof lamp shell screw syndeton comprises loam cake, lower cover and screw, it is characterized in that:
Described lower cover edge is provided with semiclosed hole, and semiclosed hole comprises cover gab down, and following cover gab is towards the outside of lower cover;
The edge of described loam cake is provided with nut groove, and nut groove has the bottom surface opening on the direction of loam cake bottom surface, on the direction lateral opening is arranged laterally at loam cake, and the position of nut groove is corresponding one by one with the position of described cover gab down;
Described screw passes semiclosed hole by the lower cover bottom surface, is stretched in the nut groove by the bottom surface opening;
One nut that is connected on the screw is arranged in nut groove, and nut can be free movable in nut groove, and by the margin of bottom surface opening and lateral opening in nut groove.
2. explosion-proof lamp shell screw syndeton according to claim 1, it is characterized in that: described nut groove is located in the nut cell body, and the nut cell body grows the described edge of cover gab down, is provided with a spring steel wire in the nut groove surface; Spring steel wire comprises two steel wire limits, and two steel wire limits intersect to form clamping elastic force on the top of spring steel wire, and the inside inflection in the lower end on two steel wire limits is relative, and after the lower end inflection of two steel wires, the spacing on the summit of their lower ends is less than the diameter of screw; Spring steel wire is located at the screw outside, is embedded in the shallow slot of nut groove surface; The bottom surface of nut cell body is stretched out in inflection place of spring steel wire.
3. explosion-proof lamp shell screw syndeton according to claim 1, it is characterized in that: described semiclosed hole takes the shape of the letter U; Described bottom surface opening also takes the shape of the letter U.
4. explosion-proof lamp shell screw syndeton according to claim 1 is characterized in that: be provided with first packing ring between described screw and the described lower cover bottom surface.
5. explosion-proof lamp shell screw syndeton according to claim 1 is characterized in that: be provided with second packing ring between described nut and the described nut cell body.
6. explosion-proof lamp shell screw syndeton according to claim 2, it is characterized in that: described nut cell body takes the shape of the letter U, and described wire spring also takes the shape of the letter U.
7. explosion-proof lamp shell screw syndeton according to claim 1 is characterized in that: be provided with spring washer between described screw and described lower cover bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205408387U CN201844366U (en) | 2010-09-21 | 2010-09-21 | Shell and screw connection structure of explosion-proof lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205408387U CN201844366U (en) | 2010-09-21 | 2010-09-21 | Shell and screw connection structure of explosion-proof lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201844366U true CN201844366U (en) | 2011-05-25 |
Family
ID=44039255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205408387U Expired - Fee Related CN201844366U (en) | 2010-09-21 | 2010-09-21 | Shell and screw connection structure of explosion-proof lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201844366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980140A (en) * | 2011-09-06 | 2013-03-20 | 海洋王照明科技股份有限公司 | Anti-loose casing and lamp |
-
2010
- 2010-09-21 CN CN2010205408387U patent/CN201844366U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980140A (en) * | 2011-09-06 | 2013-03-20 | 海洋王照明科技股份有限公司 | Anti-loose casing and lamp |
| CN102980140B (en) * | 2011-09-06 | 2015-09-23 | 海洋王照明科技股份有限公司 | Locking housing and light fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen General Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen General Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| 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: 20110525 Termination date: 20180921 |