CN2798373Y - Explosion proofing lamp socket - Google Patents
Explosion proofing lamp socket Download PDFInfo
- Publication number
- CN2798373Y CN2798373Y CN 200520128617 CN200520128617U CN2798373Y CN 2798373 Y CN2798373 Y CN 2798373Y CN 200520128617 CN200520128617 CN 200520128617 CN 200520128617 U CN200520128617 U CN 200520128617U CN 2798373 Y CN2798373 Y CN 2798373Y
- Authority
- CN
- China
- Prior art keywords
- explosion
- movable electrode
- central movable
- proof lamp
- lamp socket
- 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.)
- Expired - Fee Related
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Abstract
The utility model belongs to the field of connecting technique of electric conduction and relates to an explosion proof lamp socket which is provided with an opening barrel, a socket body and wire connecting terminals. The utility model solves the problem that the danger of energization or even explosion can be brought on if an ordinary lamp bulb is installed on the existing lamp socket by mistake. The explosion proof lamp socket comprises the opening barrel (1) arranged on the socket body (2), a first wire connecting terminal (3) and a second wire connecting terminal (4), wherein the opening barrel (1) is electrically connected with the first wire connecting terminal (3). The bottom (5) of the socket body (2) is provided with a central movable electrode (6) capable of springing up toward the direction of the lamp bulb. When the central movable electrode (6) springs up, the central movable electrode and the second wire connecting terminal (4) can keep the isolation state. After the central movable electrode is pressed down, the central movable electrode can be in contact with the second wire connecting terminal (4). As a consequence, the utility model can prevent occurrence of the energized condition owing to mistake installation of a non explosion proof lamp bulb. Thus, the utility model can ensure that the power can be switched on only when the explosion-proof lamp bulb is installed. Therefore, the utility model has the technical effect of explosion prevention.
Description
Technical field
The utility model belongs to the interconnection technique field of conductivity, is a kind of have a mouthful tube, pedestal, explosion-proof lamp socket of binding post.
Background technology
Existing holder structure includes mouthful tube 21 as shown in fig. 1, and center contact chip 22, binding post 23,24, pedestal 20, mouthful tube 21 and center contact chip 22 are arranged on the bottom surface 25 in the pedestal 20, by securing member with respectively with separately binding post 23,24.When bulb 26 is installed on the lamp socket, the lamp holder side electrode 27 of bulb 26 will contact with mouth tube 21, and the central electrode 28 of lamp holder tail end then can withstand on the center contact chip 22, realize the connection of electricity.For Anti-explosion bulb, because the central electrode length H of its lamp holder tail end is longer than the central electrode length h of common bulb, when explosion-proof lamp is installed on the above-mentioned common lamp socket, owing to can realize the connection of the electricity of electricity.If but when adopting common bulb to be installed on the common lamp socket, equally also can realize the connection of electricity.Require explosion-proof lamp can only be installed in some occasions, when forbidding to install common the grade, if common lamp socket has been installed, the common bulb that will cause the careless misloading of user easily causes the danger of explosion.
The utility model content
The purpose of this utility model is to provide a kind of and has only explosion-proof lamp can install and the electricity connection, and but non-explosion-proof lamp can be installed can not connect by electricity, can prevent the explosion-proof lamp socket of non-explosion-proof lamp energising explosion.
For realizing the purpose of this utility model, described explosion-proof lamp socket comprises the mouth tube that is arranged on the pedestal, first binding post, second binding post, described mouthful of tube is electrically connected with first binding post, is provided with the central movable electrode of upspringing to bulb orientation on described pedestal bottom, when described central movable electrode is upspring, and keep isolation between second binding post, can contact with second binding post after being pressed.
According to the architectural feature of explosion-proof lamp and non-explosion-proof lamp, on the pedestal bottom, be provided with the central movable electrode.After explosion-proof lamp is installed on the lamp socket, the central electrode of explosion-proof lamp tail end can withstand on the central movable electrode, and in the installation process of bulb, constantly head into to the central movable electrode direction, the central movable electrode is moved to the second binding post direction, until contacting, realized electric connection with second binding post.And after non-explosion-proof lamp is installed on the lamp socket, though the central electrode of non-explosion-proof lamp tail end can withstand on the central movable electrode, but because the length of its central electrode is than the weak point of explosion-proof lamp, the central movable electrode is contacted with second binding post, so even user's mistake has been installed non-explosion-proof lamp on the explosion-proof lamp socket of the utility model, because non-explosion-proof lamp can't be realized the connection of electricity, so can not produce the energising explosion, has realized explosion-proof purpose.
Description of drawings
The drawing of accompanying drawing is described as follows:
Fig. 1 is the explosion-proof lamp structure chart.
Fig. 2 is non-explosion-proof lamp structure chart.
Fig. 3 is existing explosion-proof lamp holder structure figure.
Fig. 4 is the utility model explosion-proof lamp holder structure figure.
Fig. 5 is the I partial enlarged drawing among Fig. 4.
Fig. 6 has installed the structure chart behind the explosion-proof lamp for the explosion-proof lamp socket of the utility model.
Fig. 7 is the three-dimensional installation diagram of the explosion-proof lamp socket of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the explosion-proof lamp socket of the utility model is described in further detail:
As shown in Fig. 4,5, explosion-proof lamp socket described in the utility model comprises on the pedestal 2, mouthful tube 1, the first binding post 3, the second binding posts 4, bottom 5, central movable electrode 6, through hole 7, fixed touching plate 8, push rod 9, spring 10, chimb 11, step 12, electrode part 13.
Described pedestal 2 is made for the china clay insulating material, is cylinder-like structure.Mouth tube 1 places the cavity of pedestal 2, and first binding post 3 and second binding post 4 are fixed on mouthful back side of tube 1.Described mouthful tube 1 is electrically connected with first binding post 3, on described pedestal 2 bottoms 5, be provided with the central movable electrode 6 of upspringing to bulb orientation, when described central movable electrode 6 is upspring, and keep isolation between second binding post 4, can contact with second binding post 4 after central movable electrode 6 is pressed.
Described bottom 5 is provided with the through hole 7 of ccontaining central movable electrode 6, and central movable electrode 6 can slide in through hole 7.Second binding post 4 is provided with the fixed touching plate 8 that extends to central movable electrode 6 tail ends, in the middle of be indecisive and changeable moving electrode 6 when fixed touching plate 8 directions are slided, can contact fixed touching plate 8, realize electrically contacting.
Described central movable electrode 6 is provided with and is limited in the push rod 9 that slides in the through hole 7, and described push rod 9 is provided with the spring 10 that acts on the bottom 5.Under the normality situation, spring 10 acts on the push rod 9, and push rod 9 is upspring to the direction that bulb is installed.
Described push rod 9 is made of copper the nail-like structure, is provided with blind hole at its tail end, after push rod 9 is installed in the through hole 7, makes blind hole launch to dig, and forms push rod 9 and is provided with the chimb 11 of backstop at through hole 7 end faces.When push rod 9 when the direction that bulb is installed is upspring, chimb 11 backstops on the push rod 9 can not deviate from push rod 9 at through hole 7 end faces from through hole 7.
Be provided with step 12 in the described through hole 7, establish the electrode part 13 that extends out to side on the described push rod 9, electrode part 13 is convenient to contact with the central electrode of lamp holder tail end.Described spring 10 1 ends act on the step 12, and the other end acts on the electrode part 13.Spring 10 can be supported, with the direction jack-up of push rod 9 by bottom 5 conducts to the placement bulb.
As shown in Figure 7, mouthful tube 1 passes the 5 and nuts 15 in bottom by two screws 14 and first binding post 3 is fixed in the pedestal 2.Second binding post 4 passes bottom 5 by 1 screw 14 and passes fixed touching plate 8 again and be fixed in the pedestal 2, and second binding post 4 is electrically connected with fixed touching plate 8.
As shown in Figure 6, during use, when Anti-explosion bulb being put into mouth tube 1 knob, the central electrode of its tail end of lamp holder will constantly move to central movable electrode 6 directions, until the push rod 9 that touches central movable electrode 6, push rod 9 will be oppressed spring 10 to step 12 directions this moment, and its tail end is contacted with second binding post 4, realize the connection of electricity.After Anti-explosion bulb being gone into to put from mouth tube 1 to take out, push rod 9 makes its tail end separate with second binding post 4 by under the spring 10 reverse elastic force effects of oppressing, and realizes electric disconnection.If non-Anti-explosion bulb is put into a mouthful tube 1, make owing to the central electrode of its tail end of lamp holder of non-Anti-explosion bulb is short then that the tail end of push rod 9 is different to be contacted with second binding post 4, thereby the generation of the situation that prevents from lamp socket, to have adorned non-Anti-explosion bulb by mistake and cause switching on, assurance has only and Anti-explosion bulb has been installed just can be switched on, and has explosion-proof technique effect.
Claims (6)
1. explosion-proof lamp socket, comprise the mouth tube (1) that is arranged on the pedestal (2), first binding post (3), second binding post (4), described mouthful of tube (1) is electrically connected with first binding post (3), it is characterized in that being provided with the central movable electrode (6) of upspringing to bulb orientation on described pedestal (2) bottom (5), and described central movable electrode (6) is when upspringing, and second binding post keeps isolation between (4), can contact with second binding post (4) after being pressed.
2. explosion-proof lamp socket according to claim 1 is characterized in that described bottom (5) is provided with the through hole (7) of ccontaining central movable electrode (6), and second binding post (4) is provided with the fixed touching plate (8) that extends to central movable electrode (6) tail end.
3. explosion-proof lamp socket according to claim 2 is characterized in that described central movable electrode (6) is provided with the push rod (9) that is limited in slip in the through hole (7), and described push rod (9) is provided with the spring (10) that acts on the bottom (5).
4. explosion-proof lamp socket according to claim 3 is characterized in that described push rod (9) is provided with the chimb (11) of backstop at through hole (7) end face.
5. explosion-proof lamp socket according to claim 1 and 2 is characterized in that being provided with in the described through hole (7) step (12), and described spring (10) one ends act on the step (12).
6. explosion-proof lamp socket according to claim 1 and 2 is characterized in that establishing on the described push rod (9) electrode part (13) that extends out to side, and described spring (10) one ends act on the electrode part (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520128617 CN2798373Y (en) | 2005-07-07 | 2005-09-28 | Explosion proofing lamp socket |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520060956.7 | 2005-07-07 | ||
| CN200520060956 | 2005-07-07 | ||
| CN 200520128617 CN2798373Y (en) | 2005-07-07 | 2005-09-28 | Explosion proofing lamp socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2798373Y true CN2798373Y (en) | 2006-07-19 |
Family
ID=36869621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520128617 Expired - Fee Related CN2798373Y (en) | 2005-07-07 | 2005-09-28 | Explosion proofing lamp socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2798373Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347968A (en) * | 2013-08-02 | 2015-02-11 | 深圳市海洋王照明工程有限公司 | Cable flame-proof joint structure of light fixture |
-
2005
- 2005-09-28 CN CN 200520128617 patent/CN2798373Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347968A (en) * | 2013-08-02 | 2015-02-11 | 深圳市海洋王照明工程有限公司 | Cable flame-proof joint structure of light fixture |
| CN104347968B (en) * | 2013-08-02 | 2018-02-06 | 深圳市海洋王照明工程有限公司 | The cable flame proof joint design of light fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |