CN2184848Y

CN2184848Y - magnetic adsorption multifunctional working lamp

Info

Publication number: CN2184848Y
Application number: CN 94226009
Authority: CN
Inventors: 何冬益; 江国平
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-01-06
Filing date: 1994-01-06
Publication date: 1994-12-07
Anticipated expiration: 2004-01-06

Abstract

The utility model discloses a magnetic force adsorbs multi-functional work lamp. The main structure of the multifunctional LED lamp is that a shell (1) is hinged with a lamp holder (33) through two groups of parallel movable jumping pins, a magnetic base (34) at the bottom end of the shell (1) consists of a U-shaped soft magnet (27) provided with a permanent magnet (28) and magnetic shoes (31) or (26) which are positioned at two ends of the U-shaped soft magnet and provided with handles (32) or (24), one end of the magnet (27) is provided with a reverse magnetic ring (25), and the output end of a rectifying circuit (30) of which the input end is provided with an alternating current power supply plug (22) passes through a group of switches K of a multi-throw switch (2)₁A bulb (17) connected with a battery pack (23) and connected with a DC socket (11) is connected with a group of switches K of the switch (2)₃A switch group K connected with the battery group (23) and provided with a bulb (16) through a switch (2)₂Is connected with a battery pack (23).

Description

Magnetic absorption multifunction working lamp

The utility model relates to a kind of portable illuminating lamp, especially is used as the portable lamp that vehicle or overhaul of the equipments are used.

Though existing maintenance can be played illuminating effect with portable lamp, exist and store up many weak points, as not being fixed on desired location voluntarily, only can not doing in a big way adjustment etc., its limited by practical as the light angle of power supply, lamp holder with battery.

The purpose of this utility model is, design a kind of magnetic force absorption multifunctional working lamp, can easily portable lamp be fixed on the required ferromagnetism position of vehicle or equipment or be taken off by it by magnet base, available vehicle power supply and civil power and battery are as power supply, and the light angle of lamp holder can be done bigger adjustment.

The technical solution of the utility model is, one termination of housing has lamp holder, this housing has multithrow switch and rectification circuit and ac power plug, battery pack, Direct current power source socket, the lead parking space, described lamp holder comprises the shell of internal illumination bulb and reflection shield and the elastic ring female cap that is positioned at the cover plate of its upper port and is used for fixing described cover plate, its design feature is, described magnet base has the U-shaped soft magnetic bodies of the contrary magnetosphere of an end band and the permanent magnet that can slide therein, respectively there are the magnetic boots of a band handle at these permanent magnet two ends, described housing adopts two groups of jointed shafts that are positioned at the corresponding both sides of case top to connect with lamp holder, every group of jointed shaft is by a left side, right two movable pins of jumping are formed, input is connected with described battery pack through one group of switch of multithrow switch with the output of the rectification circuit that described ac power plug joins, the lighting bulb of Direct current power source socket of having connected connects with described battery pack through another group switch of multithrow switch, and the another lighting bulb is organized switch through another of multithrow switch and connected with described battery pack.

Make below in conjunction with accompanying drawing and to further specify.

Description of drawings: Fig. 1 is a sectional structure, and Fig. 2 is that (band broken section) structure is looked on the left side of device shown in Figure 1, and Fig. 3 is actual circuit structure figure.In the drawings:

The 1-housing, the 2-multithrow switch, 3-dials key, the 4-shell, 5-elastic ring female cap, the 6-cover plate, the 7-reflection shield, 8, the 81-jointed shaft, the 9-circuit board, the 10-screw, the 11-Direct current power source socket, the hinged projection of 12-, 13-plug screw, 14-compresses spring, the 15-removable pin, 16, the 17-bulb, 18-tube face side pole plate, 19-tube face sole plate, the hinged projection of 20-, 21-power supply indicator, 22-ac power plug, the 23-battery pack, 24, the 32-handle, the contrary magnetosphere of 25-, 26,31-magnetic boots, 27-U shape soft magnet, the 28-permanent magnet, 29-lead parking space, 30-rectification circuit, the 34-magnet base, the 35-lamp holder.

By accompanying drawing as can be known, the utility model has housing (1), one termination of this housing (1) has lamp holder (33), and described housing (1) is with multithrow switch (2) and rectification circuit (30) and ac power plug (22), battery pack (23), Direct current power source socket (11), lead parking space (29); Described lamp holder (33) is the prior art structure, and it comprises the shell (4) of internal illumination bulb (16) (17) and reflection shield (7) and is located thereon the cover plate (6) of port and covers (5) in order to the elastic ring of fixing described cover plate (6); The design feature of its device is, the other end of housing (1) is magnet base (34), and this magnet base (34) has the U-shaped soft magnetic bodies (27) of the contrary magnetosphere (25) of an end band, Slidably permanent magnet (28) is arranged in the U-lag of this soft magnetic bodies (27), and described permanent magnet (28) two ends respectively there are magnetic boots (31) or (26) of a band handle (32) or (24); Described housing (1) adopts the two groups of jointed shafts (8) (81) that are positioned at housing (1) corresponding both sides, top to connect (referring to Fig. 1) with lamp holder (33), and every group of jointed shaft (8) or (81) are jumped pin by left and right two and formed (referring to Fig. 2); Described jumping pin is the prior art structure, it comprises the spherical plunger in garden and overhanging removable pin (15) and Compress Spring (14) and the plug screw (13) of this plunger, and described jumping pin places one of two hinged objects (being lamp holder and housing) (such as the hinged projection (12) of housing (1)) and its plunger extends the pin-and-hole (such as the hinged projection (20) of lamp holder (33)) of another object; The rectification circuit (30) that input is connected to ac power plug (22) adopts the prior art structure, and Fig. 3 is an example structure, and its output is through one group of K switch of multithrow switch (2)₁Same battery pack (23) connects, and a lighting bulb (17) of connected Direct current power source socket (11) is through another group K switch of multithrow switch (2)₃Same battery pack (23) connects, and another lighting bulb (16) is through one group of K switch of multithrow switch (2)₂Same battery pack (23) connects; The output of described rectification circuit (30) can connect string resistance R₅Light emitting diode D₄The power supply indicator that becomes (21). Bulb (16) (17) in the lamp holder (33) is connected 1 through the centre bore bottom shell (4) with housing) lead of the centre bore of end face is connected (being the prior art structure) with the circuit in the housing (1).

Design principle of the present utility model and the course of work are, with the handle (24) of described magnet base (34) when being pushed into position shown in Figure 2, whole magnet base produces closed magnetic circuit, and its magnetic force can effectively be adsorbed on whole light fixture on the ferromagnetic object (position), namely realizes the magnetic-adsorption of lamp; If being pushed into an end that makes described permanent magnet (28), handle shown in Figure 2 (32) right side slips over contrary magnetosphere (25) The time, closed magnetic circuit (magnetic line of force) is truncated, and the magnetic force of magnet base (34) is eliminated, and described light fixture can be taken off from absorbent bodies; In the time will changing the light angle of lamp holder (33), when it is rotated according to arrow A direction among Fig. 1, as long as mention the opposite side (being axle (81) place one side) of lamp holder (33), the removable pin that then consists of jointed shaft (81) will be oppressed described Compress Spring (14) and be bounced back, and makes lamp holder (33) realize that it rotates around axle (8); Can realize that in like manner lamp holder (33) is around the rotation of axle (81) according to the arrow B direction; Every side maximum rotation angle can reach 140 °; In the time will using external direct current power supply (such as automobile storage battery) illumination, then attaching plug is inserted in the described socket (11) and with multithrow switch (2) and push K₃Connect, bulb this moment (17) is shinny and charge for battery pack (23); When will be commercial power charged with 220 volts, plug (22) is connected civil power, make switch (2) be allocated to K₁Gear is connected, can be to battery pack (23) charging, and indicator lamp this moment (21) is luminous; In the time will checking whether battery pack (23) has electricity, also can connect K₁And the brightness of viewing lamp (21); When with battery pack (23) powered lighting, the K of turn on-switch (2)₂Shelves get final product.

As known from the above, the utility model is a kind of magnetic absorption multifunction working lamp, light fixture can be adsorbed on the ferromagnetic object or by it easily by magnet base and take off, but lamp holder light angle double-sided turning and realize adjusting significantly available vehicle power supply and civil power or battery-powered illumination; And can be to built-in batteries charging. That this product has is practical, convenient durable characteristics, its compact conformation, rationally, the most suitable driver of work overhauls automobile night and uses, the usefulness that also can be used for overhauling miscellaneous equipment, or be used for emergency lighting, write, the usefulness of reading, family.

Embodiment: according to the portable lamp of accompanying drawing and said structure, 200 * 60 * 35 millimeters of overall dimensions weigh 750 grams, and battery pack (23) adopts 4.5 volts of No. five rechargeable batteries (as Fig. 3) of two groups of parallel connections, and its charging voltage is 45 milliamperes of 5.6 volts of total currents; Rectification circuit (30) adopts the structure that voltage stabilizing function is arranged shown in Figure 3, and external direct current power supply is 12 volts, and bulb (17) is respectively 6 volts and 3.9 volts with the operating voltage of (16), and multithrow switch (2) adopts commercially available double-pole four throw switches.

Claims

1, a kind of magnetic force absorption multifunctional working lamp, housing (1) is arranged, its termination has lamp holder (33), described housing (1) has multithrow switch (2) and rectification circuit (30) and ac power plug (22), battery pack (23), Direct current power source socket (11), lead parking space (29), lamp holder (33) comprises the shell (4) of internal illumination bulb (16) (17) and reflection shield (7) and the elastic ring female cap (5) that is positioned at the cover plate (6) of its upper port and is used for fixing this glass (6), it is characterized in that, described housing (1) other end has magnet base (34), this magnet base (34) has the U-shaped soft magnetic bodies (27) of the contrary magnetosphere (25) of an end band, slidably permanent magnet (28) is arranged in the U-lag of this soft magnetic bodies (27), respectively there are magnetic boots (31) or (26) of a band handle (32) or (24) at permanent magnet (28) two ends, described housing (1) adopts two groups of jointed shafts that are positioned at housing (1) corresponding both sides, top to connect with lamp holder (33), every group of jointed shaft (8) or (81) are by a left side, jump pin and form for right two, the output of the rectification circuit (30) that input joins with described ac power plug (22) is through one group of K switch of multithrow switch (2) ₁Be connected with described battery pack (23), the lighting bulb (17) of connected Direct current power source socket (11) is through another group K switch of multithrow switch (2) ₃Same battery pack (23) connects, and lighting bulb (16) is through one group of K switch of multithrow switch (2) ₂Connect with described battery pack (23).

2, magnetic force absorption multifunctional working lamp according to claim 1 is characterized in that the output of described rectification circuit (30) is connected to the resistance R of having connected ₅Light emitting diode D ₄The power supply indicator that is become (21).