CN203202947U - Single-pin safety lamp holder - Google Patents
Single-pin safety lamp holder Download PDFInfo
- Publication number
- CN203202947U CN203202947U CN 201320014427 CN201320014427U CN203202947U CN 203202947 U CN203202947 U CN 203202947U CN 201320014427 CN201320014427 CN 201320014427 CN 201320014427 U CN201320014427 U CN 201320014427U CN 203202947 U CN203202947 U CN 203202947U
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- Prior art keywords
- lamp holder
- burner
- contact
- crown top
- cylinder
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Abstract
The utility model provides a single-pin safety lamp holder which comprises a casing, a lamp cap, an inner cover, a contact piece and an elastic piece. The casing is provided with a closed end and an open end. The closed end is provided with a central opening. The lamp cap comprises a first end penetrating the central opening to be located on the outside of the casing and a second end located in the casing. The lamp cap comprises an inner cavity. The inner cover comprises a base and a first column body protruding from the first side of the base. The first column body at least partially extends into a cavity of the lamp cap. The contact piece comprises an annular substrate sleeved on the first column body. The elastic piece is arranged in the cavity of the lamp cap and located between the first column body and the lamp cap and enables the second end of the lamp cap to be in contact with the contact piece only under the effect of loading force.
Description
Technical field
The utility model relates to a kind of safe lamp holder, particularly a kind of safe lamp holder of single needle that is used with the LED fluorescent tube
Background technology
Fluorescent lamp has purposes widely at lighting field.General fluorescent lamp carries out build-up of luminance by the two ends power supply of fluorescent tube by the iron inductance of a series connection and the starter of a parallel connection.Because the operation principle of fluorescent lamp, in the process that fluorescent tube is installed, when an end of fluorescent tube was mounted to lamp bracket and sets up electrical connection, the other end of fluorescent tube can't be charged.Therefore, the structure of the two ends of fluorescent tube power supply can not brought the risk of getting an electric shock when installing.
At present, the fluorescent tube of household or commercial lighting just progressively transits to the LED fluorescent tube by traditional fluorescent tube.Most of LED fluorescent tubes all adopt built-in power supply on the market, also are about to the inside that driving power is arranged at fluorescent tube.This makes it possible to directly replace traditional fluorescent lamp tube with the LED fluorescent tube, and need not original circuit is done any change.If but still power from the two ends of fluorescent tube this moment, then when an end of the LED of built-in driving power fluorescent tube contacted with electrode, the other end of fluorescent tube also can be charged, thereby have the risk of getting an electric shock when installing.Such potential safety hazard does not expect that particularly the LED light fixture retrofit of the U.S. and installation accessory authentication new standard UL1598C thereof forbid that the fluorescent tube that has this dangerous structure comes into the market.
Present settling mode generally is the mode that adopts end power supply for the LED fluorescent tube.The whole contact pins that also are the LED fluorescent tube all are arranged in same end, and the other end does not have electric connecting part.Such structure setting can be avoided aforementioned drawback, but makes fluorescent tube have polarity simultaneously.This causes installing inconvenient.In addition, the mode of end power supply also makes and is short-circuited easily between two contact pins.
For this reason, the utility model provides a kind of new single needle safe lamp holder, to solve aforementioned drawback of the prior art.Adopt the LED fluorescent tube of the safe lamp holder of single needle of the present utility model not have polarity, therefore easy for installation; Simultaneously, when an end of LED fluorescent tube contacted with electrode, the other end of fluorescent tube can be not charged, therefore avoided the risk of getting an electric shock when installing
Summary of the invention
According to an embodiment of the present utility model, provide a kind of single needle safe lamp holder, comprising: housing, it has blind end and open end, and described blind end has central opening; The crown top of burner, it comprises that passing described central opening is positioned at the first outer end of housing and second end that is positioned at described housing, the described crown top of burner comprises internal cavities; Inner cap, it comprises pedestal and from first of the pedestal first side-prominent cylinder, described first cylinder extends into the cavity of the described crown top of burner at least in part, contact, it comprises annular substrate, to be socketed on described first cylinder; Elastic component, it is arranged in the cavity of the described crown top of burner, between first cylinder and the crown top of burner, only makes that under the loading force effect, second end of the crown top of burner just contacts with contact.
According to another embodiment of the present utility model, wherein said elastic component is the compression spring.
According to another embodiment of the present utility model, the coefficient of elasticity of wherein said compression spring is 0.8-1.5N/mm, is preferably 1.1N/mm.
According to another embodiment of the present utility model, wherein when not having loading force, second end distance of the crown top of burner is 1.5-2.3mm from the gap of contact, is preferably 1.8mm.
According to another embodiment of the present utility model, wherein said first cylinder has hollow space, and described compression spring section is installed in the described hollow space.
According to another embodiment of the present utility model, the inboard of wherein said blind end has the annular wall of stop collar connected in star, and second end of the described crown top of burner is positioned at described annular groove.
According to another embodiment of the present utility model, wherein said inner cap has from the second outstanding cylinder of pedestal, and described contact is clamped between described annular wall and described second cylinder.
According to another embodiment of the present utility model, wherein said contact also comprises at least one contact, and described contact has the form of soldered wires and/or straight cutting line.
According to another embodiment of the present utility model, wherein said inner cap comprises from second of pedestal two side-prominent arcwalls at least.
According to another embodiment of the present utility model, a kind of LED fluorescent tube assembly is provided, comprise the safe lamp holder of single needle and LED fluorescent tube, the safe lamp holder of described single needle comprises: housing, it has blind end and open end, and described blind end has central opening; The crown top of burner, it comprises that passing described central opening is positioned at the first outer end of housing and second end that is positioned at described housing, the described crown top of burner comprises internal cavities; Inner cap, it comprises pedestal and from first of the pedestal first side-prominent cylinder, described first cylinder extends into the cavity of the described crown top of burner at least in part, contact, it comprises annular substrate, to be socketed on described first cylinder; Elastic component, it is arranged in the cavity of the described crown top of burner, between first cylinder and the crown top of burner, only makes that under the loading force effect, second end of the crown top of burner just contacts with contact.
According to another embodiment of the present utility model, wherein said LED fluorescent tube comprises the position limiting structure in the gap that is mounted between the adjacent arcwall
Description of drawings
In order to understand the utility model better, now by reference to the accompanying drawings related embodiment is described, wherein:
Fig. 1 illustrates according to the safe lamp holder of single needle of an embodiment of the utility model and the combination of LED fluorescent tube;
Fig. 2 illustrates the decomposition view according to the safe lamp holder of single needle of an embodiment of the utility model;
Fig. 3 illustrates the housing according to the safe lamp holder of single needle of an embodiment of the utility model;
Fig. 4 illustrates the crown top of burner according to the safe lamp holder of single needle of an embodiment of the utility model;
Fig. 5 illustrates the inner cap according to the safe lamp holder of single needle of an embodiment of the utility model;
Fig. 6 illustrates the contact according to the safe lamp holder of single needle of an embodiment of the utility model;
Fig. 7 illustrates the elastic component according to the safe lamp holder of single needle of an embodiment of the utility model;
Fig. 8 illustrates the cutaway view according to the safe lamp holder of single needle of an embodiment of the utility model;
Fig. 9 illustrates according to the safe lamp holder rear perspective view of the single needle of an embodiment of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing content of the present utility model is elaborated.The detailed description of this paper and accompanying drawing only are exemplary, but not intention is made restriction to the utility model.
Fig. 1 shows the LED fluorescent tube assembly that the safe lamp holder of single needle of the present utility model 1 and LED fluorescent tube 2 are combined to form.LED fluorescent tube 2 respectively is equipped with a lamp holder 1 at two ends, each lamp holder 1 comprises an outwardly directed crown top of burner 3, and it is used as and is installed to the contact pin of tube stand or socket (not shown), and accepts the electricity input of external power supply.LED fluorescent tube commonly used for example is T10, T8 fluorescent tube, but the LED fluorescent tube of other types even fluorescent tube also can be used with lamp holder 1 of the present utility model.The internal structure of fluorescent tube 2 is known to those skilled in the art, is not described in detail in this.
Fig. 2 shows an embodiment of the safe lamp holder 1 of single needle of the present utility model, comprises housing 4, inner cap 5, the crown top of burner 3, contact 6, elastic component 7 and connector 8,9.
Fig. 3 shows an exemplary embodiment of housing 4.Housing 4 becomes the hollow circuit cylinder bodily form substantially, 42 sealings at one end and open at the other end 41.In abutting connection with tube stand, this blind end 42 is provided with centre bore 43 to the blind end 42 of housing 4 under installment state.Be also shown in from the cross section view shown in Fig. 8, the inboard of blind end 42 also can have inwardly outstanding annular wall 44, and it defines annular groove 45.The inboard of the circumferential wall 46 of housing can be smooth, maybe can have at least one step (not shown).Thus, circumferentially the inboard of wall 46 has the first bigger inner diameter D 1 and less second inner diameter D 2 when at least one step of existence at least.
Fig. 4 shows an embodiment of the crown top of burner 3.The crown top of burner 3 is made by conductive material, is preferably copper.Can adopt the mode of turning or punching press to form the crown top of burner 3.It is cylindrical that the crown top of burner 3 becomes substantially, comprise first end 31 that engages with tube stand or socket and with first end, 31 second opposed end 32.First end 31 can have the configuration with tube stand or socket coupling, and second end is mounted in the annular groove 45 of housing 4.The crown top of burner 3 axially has at least one step 33,34 at its outer peripheral face along it.The crown top of burner 3 passes the centre bore 43 of the blind end 42 of housing 4 at least in part and installs, one 34 inboard that is resisted against described blind end 42 in described at least one step 33,34, thus realize the crown top of burner 3 spacing with respect to housing 4.In described at least one step 33,34 second 33 can for example be used for and being connected of tube stand or socket.The crown top of burner 3 is preferably hollow, limits cavity 35(Fig. 8 with portion within it).
Fig. 5 shows an exemplary embodiment of inner cap 5.Inner cap 5 is made by non electrically conductive material, and has the basic circular pedestal 51 that is.In a preferred embodiment, under installment state, the outer of pedestal 51 can be resisted against on the step of circumferential wall 46 inboards of housing 4.First side of pedestal 51 has at least one, is preferably two, to the cylinder 52,53 of outer process.First cylinder 52 has less diameter d 1, and it can enter in the cavity 35 of the crown top of burner 3 under installment state at least in part.Second cylinder 53 has bigger diameter d 2.In a preferred embodiment, the diameter d 2 of second cylinder 53 is not less than the diameter of annular groove 45 of blind end 42 inboards of housing 4, make under installment state second cylinder 53 can be substantially against the annular wall 44 of annular groove 45.
Second side of inner cap 5 has at least one outward extending arcwall 54,55, its diameter D is slightly less than first inner diameter D 1 of circumferential wall 46 inboards of housing 4, with the arcwall 54 of inner cap 5,55 and circumferential wall 46 inboards of housing 4 between limit annular space S.As shown in Figure 8, this annular space S can be used for installing fluorescent tube.Gap 56 between the adjacent arcwall 54,55 can be passed through for power circuit or other structures of fluorescent tube 2.In a preferred embodiment, gap 56 can be used for holding the position limiting structure (not shown) of fluorescent tube 2.Thus, fluorescent tube 2 is prevented from respect to the rotation of lamp holder 1.
In a preferred embodiment, for fluorescent tube 2 is fixed to lamp holder 1, also provide connector 9.For this reason, the blind end 42 of housing 4 is provided with through hole 49, and the corresponding position of inner cap 5 also provides through hole 59.As can be seen from Fig. 9, connector 9 passes through hole 49 and 59, lamp holder 1 and fluorescent tube is tightened together being used for.
Fig. 6 shows an embodiment of contact 6.Contact is for example by the copper sheet manufacturing, but other suitable conductive materials also are possible.Contact has annular substrate 61, and at least one is from the outward extending contact 62 of annular substrate, 63.Under installment state, contact 6 is clamped between housing 4 and the inner cap 5.In a preferred embodiment, as shown in Figure 8, the central opening 64 of this annular substrate 61 can be socketed on first cylinder 52 of inner cap 5.Thus, contact 6 is limited between second cylinder 53 of the annular wall 44 of housing 4 and inner cap 5.This at least one contact 62,63 pedestals 51 from inner cap 5 pass.For this reason, also provide on the pedestal of inner cap for its groove that passes 50.Groove 50 has limited the rotation of contact 6 around its axis thus.In a preferred embodiment, this groove 50 is also at least in part by limiting (Fig. 5) from the outstanding piece 57 in pedestal 51 surfaces.Thus, contact 62,63 is included in the groove 50 substantially, provides extra protection thereby can be contact 62,63.As shown in Figure 5, piece 57 also can have ribs.Contact 62,63 with the LED fluorescent tube in driving power set up and to be electrically connected.Electrical connection can have various ways.For example, contact can have the form of soldered wires 62, perhaps has the form of straight cutting line 63.The line form that other are suitable or their combination also are possible.
Fig. 7 shows an embodiment of elastic component 7.This elastic component 7 for example is compression spring or other elastomeric materials.The compression spring can preferably have 0.8-1.5N/mm, the more preferably coefficient of elasticity of 1.1N/mm.Elastic component 7 is resisted against between the crown top of burner 3 and the inner cap 5, makes the crown top of burner 3 not contact with contact chip 6.Elastic component 7 does not contact with contact chip 6 yet.In a preferred embodiment.As shown in Figure 8, elastic component 7 is installed in the cavity 35 of the crown top of burner 3.In a preferred embodiment, first cylinder 52 is hollow, and elastic component 7 is installed in the common space that limits of hollow space of the cavity 35 of the crown top of burner and first cylinder 52.Elastic component 7 stops the crown tops of burner 3 to the motion of contact 6 directions, to define gap H(Fig. 8 between second end 32 of the crown top of burner 3 and contact chip 6).In a preferred embodiment, the size of this gap H is preferably 1.5-2.3mm, more preferably 1.8mm.Thus, do not having under the situation of loading force, the crown top of burner 3 does not contact with contact 6.If but had enough big loading force, then the crown top of burner 3 elastic force that overcomes elastic component 7 would move to contact 6, and engages with contact 6.
Thus, for adopting the LED fluorescent tube assembly of the safe lamp holder 1 of single needle of the present utility model, when LED fluorescent tube assembly is installed, even the lamp holder 1 of an end has been mounted on the tube stand, because this moment, the crown top of burner 3 was stoped by elastic component 7 to the movement of contact 6 directions, the crown top of burner 3 does not contact with contact 6, and electrical connection is blocked.This moment, the lamp holder 1 of fluorescent tube 2 opposite sides can be not charged.Have only the lamp holder 1 when two ends all to be mounted on the tube stand, this moment, tube stand inwardly pushed the crown top of burner 3, and the elastic force that makes the crown top of burner 3 overcome elastic component 7 engages with contact 6.This moment, LED fluorescent tube assembly was communicated with the external power supply.As seen, safe lamp holder of the present utility model has been avoided the risk of getting an electric shock when the LED fluorescent tube is installed.
The above only is part embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model application range, feature and principle change or modify, perhaps to any combination of a plurality of embodiment of the present utility model, be included in the utility model scope.
Claims (13)
1. the safe lamp holder of single needle (1) is characterized in that, comprising:
Housing (4), it has blind end (42) and open end (41), and described blind end (42) has central opening (43);
The crown top of burner (3), it comprises and passes second end (32) that described central opening (43) is positioned at outer first end (31) of housing (4) and is positioned at described housing (4) that the described crown top of burner (3) comprises internal cavities (35);
Inner cap (5), it comprises pedestal (51) and from first of pedestal (51) side-prominent first cylinder (52), described first cylinder (52) extends into the internal cavities (35) of the described crown top of burner (3) at least in part,
Contact (6), it comprises annular substrate (61), to be socketed on described first cylinder (52);
Elastic component (7), it is arranged in the internal cavities (35) of the described crown top of burner (3), is positioned between first cylinder (52) and the crown top of burner (3), only makes that under the loading force effect, second end (32) of the crown top of burner just contacts with contact (6).
2. lamp holder as claimed in claim 1 (1) is characterized in that, described elastic component (7) is the compression spring.
3. lamp holder as claimed in claim 2 (1) is characterized in that, the coefficient of elasticity of described compression spring is 0.8-1.5N/mm.
4. lamp holder as claimed in claim 3 (1) is characterized in that, the coefficient of elasticity of described compression spring is 1.1N/mm.
5. lamp holder as claimed in claim 1 (1) is characterized in that, when not having loading force, second end (32) of the crown top of burner (3) is 1.5-2.3mm apart from the gap of contact (6).
6. lamp holder as claimed in claim 5 (1) is characterized in that, when not having loading force, second end (32) of the crown top of burner (3) is 1.8mm apart from the gap of contact (6).
7. as each described lamp holder (1) among the claim 1-6, it is characterized in that described first cylinder (52) has hollow space, described compression spring section is installed in the described hollow space.
8. as each described lamp holder (1) among the claim 1-6, it is characterized in that, the inboard of described blind end (41) has the annular wall (44) of stop collar connected in star (45), and second end (32) of the described crown top of burner (3) is positioned at described annular groove (45).
9. lamp holder as claimed in claim 8 (1) is characterized in that, described inner cap (5) has from outstanding second cylinder (53) of pedestal (51), and described contact (6) is clamped between described annular wall (44) and described second cylinder (53).
10. as each described lamp holder (1) among the claim 1-6, it is characterized in that described contact also comprises at least one contact (62,63), described contact (62,63) has the form of soldered wires and/or straight cutting line.
11., it is characterized in that described inner cap (5) comprises from second of pedestal (51) side-prominent two arcwalls (54,55) at least as each described lamp holder (1) among the claim 1-6.
12. a LED fluorescent tube assembly comprises as the safe lamp holder of each described single needle (1) among the claim 1-11 and LED fluorescent tube (2).
13. LED fluorescent tube assembly as claimed in claim 12, described LED fluorescent tube (2) comprise the position limiting structure in the gap (56) that is mounted between the adjacent arcwall (54,55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320014427 CN203202947U (en) | 2013-01-11 | 2013-01-11 | Single-pin safety lamp holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320014427 CN203202947U (en) | 2013-01-11 | 2013-01-11 | Single-pin safety lamp holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203202947U true CN203202947U (en) | 2013-09-18 |
Family
ID=49147052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320014427 Expired - Lifetime CN203202947U (en) | 2013-01-11 | 2013-01-11 | Single-pin safety lamp holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203202947U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016054828A1 (en) * | 2014-10-08 | 2016-04-14 | 深圳市豪恩光电照明股份有限公司 | Safety lamp, safety lamp holder and assembly method therefor |
| CN107076371A (en) * | 2015-06-26 | 2017-08-18 | 全炳俊 | Light fixture light source module attachment means |
-
2013
- 2013-01-11 CN CN 201320014427 patent/CN203202947U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016054828A1 (en) * | 2014-10-08 | 2016-04-14 | 深圳市豪恩光电照明股份有限公司 | Safety lamp, safety lamp holder and assembly method therefor |
| CN107076371A (en) * | 2015-06-26 | 2017-08-18 | 全炳俊 | Light fixture light source module attachment means |
| US10139092B2 (en) | 2015-06-26 | 2018-11-27 | Byung Joon Jeon | Lighting assembly |
| EP3315858A4 (en) * | 2015-06-26 | 2018-12-12 | Byung Joon Jeon | Lighting module tightening device for lamp |
| CN107076371B (en) * | 2015-06-26 | 2019-01-08 | 全炳俊 | Lamps and lanterns light source module attachment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |
|
| CX01 | Expiry of patent term |