CN101769516A - Positioning device of lamp - Google Patents

Abstract

The invention discloses a positioning device of a lamp, which comprises a connector, a positioning head and a connecting handle for connecting and fixing the connector and the positioning head, wherein a positioning clamping hole is formed in the connector, and a positioning device for connecting the lamp is fixed in the positioning clamping hole; the positioning head is internally provided with a first through hole, a positioning contact, an elastic component and a fixing piece for fixing the positioning contact and the elastic component are sequentially arranged in the first through hole, and the top end of the positioning contact extends out of the first through hole. The positioning device is fixed on the lamp, the lamp is adjusted to a required angle by taking the positioning device as an axis and the elastic contact arranged in the positioning head as a positioning point.

Description

A positioning device for lamps

【Technical field】

The invention relates to a positioning device, in particular to a positioning device for a lamp.

【Background technique】

At present, after most of the lamps are installed and fixed, the working state of the irradiation angle is determined, so it is difficult to adjust the irradiation angle of the lamp according to the needs of users during use.

There are also many domestic lamps whose rotating structure is positioned by the friction force of the relative rotation of the two parts. The disadvantage of this method is that the magnitude of the friction force is not easy to control, and it is easy to shift due to external vibrations after positioning.

The mechanism for adjusting the lighting angle of the existing work lights mostly adopts the steering shaft or the knuckle structure, such as the patent application number 03142038.4 announced by the State Patent Office "Folding and Storing Lighting Lamp", which includes a support seat 3, the A height-adjustable movable support column 2 is arranged on the support seat, and an illuminating lamp 1 for lighting is provided on the upper end of the support column 2 . The lighting lamp 1 can rotate freely in two directions, vertical and horizontal, and the vertical rotation of the lighting lamp is through the steering shaft 4 arranged on the upper end of the support column and connected with the lighting lamp Realize; the free rotation of the lighting lamp in the horizontal direction is realized by the steering knuckle 5 arranged on the upper end of the support column and connected with the lighting lamp; the lamp body of the above-mentioned "folding and storing lighting lamp" The lighting angle in the horizontal and vertical directions can be adjusted at will, however, it cannot be positioned automatically after adjusting the lighting angle, which is not suitable for some occasions.

【Content of invention】

The technical problem to be solved by the present invention is to provide a positioning device for a lamp that can be rotated conveniently and positioned automatically.

The present invention solves the above-mentioned technical problems through the following technical solutions: a positioning device for lamps, including a connecting head, a positioning head, and a connecting handle for connecting and fixing the connecting head and the positioning head. A positioning card hole is arranged inside, and a positioning device for connecting a lamp is fixed in the positioning card hole; a first through hole is provided in the positioning head, and positioning contacts are sequentially installed in the first through hole. A head, an elastic component, and a fixing piece for fixing the positioning contact and the elastic component, and the top end of the positioning contact protrudes from the first through hole.

The beneficial effects of the present invention are: since a positioning card hole is provided in the connecting head of the present invention, a positioning device for connecting a lamp is fixed in the positioning card hole; a first through hole is provided in the positioning head, and A positioning contact, an elastic component and a fixing piece for fixing the positioning contact and the elastic component are sequentially installed in the first through hole, and the top end of the positioning contact extends out of the first through hole. The positioning device is fixed on the lamp, and the lamp is adjusted to the required angle by using the positioning device as the axis and the elastic contact provided in the positioning head as the positioning point. The invention has the advantages of convenient rotation and automatic positioning.

Preferably, the tail end of the positioning contact is provided with a boss, and one end of the first through hole is a stepped hole matching the positioning contact.

Preferably, the positioning device is a connecting screw, one end of the connecting screw is a fixed rod head, and a slot is arranged on the fixed rod head around its axial direction, and the fixed rod head is fixed on the positioning card In the hole, the card slot is exposed outside the positioning card hole, and the other end of the connecting screw is provided with an external thread fixedly connected with the lamp.

Preferably, a nut is provided in the middle of the connecting screw.

Preferably, a second through hole is provided in the connecting screw, an internal thread is provided in the second through hole close to the end of the fixed rod head, and a vertical connection with the second through hole is provided on the fixed rod head. In the breathing hole, a waterproof breathable membrane and an annular fixing member for fixing the waterproof breathable membrane in the second through hole are arranged in the second through hole at the other end of the connecting screw.

Preferably, the fixing rod head is fixed in the positioning hole by screws.

Preferably, the elastic component is a spring.

Preferably, the elastic component is a metal shrapnel.

Preferably, the fixed member is a fixing bolt.

Preferably, the fixed member is a fixing screw.

【Description of drawings】

Fig. 1 is a schematic structural diagram of a specific embodiment of the background technology.

Fig. 2 is a schematic diagram of an exploded structure of the present invention.

FIG. 3 is an enlarged schematic view of the positioning contact of the present invention shown in FIG. 2 .

Fig. 4 is a schematic diagram of the assembled structure of the present invention.

Fig. 5 is a schematic plan view of the present invention.

Fig. 6 is a sectional view of A-A of the present invention shown in Fig. 5 .

Fig. 7 is a partial schematic diagram of the application of the present invention on the light-emitting module and the bracket of the LED street lamp.

Fig. 8 is a schematic structural view of the present invention applied to an LED street lamp.

FIG. 9 is a schematic diagram of an enlarged structure of part B shown in FIG. 8 .

Fig. 10 is a schematic diagram of the structure shown in Fig. 8 when the present invention is applied and the angle is adjusted.

【Detailed ways】

The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.

Referring to the accompanying drawings 2-6, the present invention includes a connecting head 19, a positioning head 16 and a connecting handle 22 for engaging and fixing the connecting head 19 and the positioning head 16, and a positioning card hole 20 is arranged in the connecting head 19. A positioning device for connecting lamps is fixed in the clamping hole 20; a first through hole 24 is arranged in the positioning head 16, and a positioning contact 14, an elastic member 12 and a positioning contact for fixing and positioning are sequentially installed in the first through hole 24; The contact 14 and the fixing member 10 of the elastic member 12 , the tail end of the positioning contact 14 is stuck in the first through hole 24 , and the top 144 of the positioning contact 14 is outside the first through hole 24 . The tail end of the positioning contact 14 is provided with a boss 142, and the boss 142 is in clearance fit with the first through hole 24, and one end of the first through hole 24 is provided with a hole 18 in clearance fit with the top end 144 of the positioning contact 14, The hole 18 and the first through hole 24 form a stepped hole, and the stepped hole is in clearance fit with the positioning contact 14, and the top 144 of the positioning contact 14 is outside the hole 18, that is, outside the end face of the positioning head 16. Above-mentioned positioning device is a connecting screw rod 30, and one end of connecting screw rod 30 is fixed rod head 30a, is provided with a draw-in groove 28 around its axial direction on fixed rod head 30a, and fixed rod head 30a is fixed in the positioning card hole 20, can pass through The buckle is fixed, the present invention is not shown in the view, the slot 28 is exposed outside the positioning hole 20, and the other end of the connecting screw 30 is provided with an external thread for fixed connection with the lamp, as shown in Figures 2, 4, 5, and 6 shown. A nut 34 is disposed in the middle of the connecting screw 30 , and for ease of installation and positioning, the slot 28 is flush with the end of the positioning head 16 on which the positioning contact 14 is installed, as shown in FIG. 6 . A second through hole 35 is provided in the above-mentioned connecting screw 30, and an internal thread is provided at one end of the second through hole 35 close to the fixed rod head 30a, and a second through hole 35 is arranged on the fixed rod head 30a. The breathing hole 32 connected vertically, the waterproof gas-permeable membrane 38 and the annular fixing member 40 fixing the waterproof gas-permeable membrane 38 in the second through-hole 35 are arranged in the second through hole 35 at the other end of the connecting screw 30 . A mounting hole 36 larger than the second through hole 35 is disposed in the second through hole 35 , and a waterproof gas-permeable membrane 38 and an annular fixing member 40 for fixing the waterproof gas-permeable membrane 38 in the mounting hole 36 are disposed in the mounting hole 36 . The fixing rod head 30 a is fixed in the positioning hole 20 by a screw 46 . The above-mentioned elastic member 12 is a spring, and a metal shrapnel can also be selected, and what is used in this embodiment is a spring. The above-mentioned fixed part 10 is a fixing bolt, and can also be fixed by fixing screws.

Referring to accompanying drawings 7, 8, 9, and 10, the positioning device 100 of the present invention is installed on one end of an LED lighting module 56, and a waterproof bolt 58 is installed on the other end of the LED lighting module 56, and the positioning device 100 is installed on the other end of the LED lighting module 56. The LED lighting module 56 of the device 100 and the waterproof bolt 58 is fixed on the first bracket 48 and the second bracket 50, the first bracket 48 is provided with U-shaped bayonets 54 at intervals, and the slot 28 provided on the positioning device 100 Just stuck in the U-shaped bayonet 54 of the first bracket 48, the first bracket 48 is also provided with a plurality of gear locking holes 52 that match the positioning contacts 14 of the positioning device 100, and the gear locking holes 52 Set next to each U-shaped bayonet 54, the gear hole 52 is centered on the axial direction in which the connecting screw 30 of the positioning device 100 is stuck on the U-shaped bayonet 54, and the positioning contact 14 of the positioning device 100 is connected to the center of the circle. The axial center distance of the screw 30 is a radius, and a plurality of gear locking holes 52 are arranged on the first bracket 48 at intervals. As shown in FIG. 9 , the plane angle between two adjacent gear locking holes 52 is 5°. The second bracket 50 is also provided with a plurality of U-shaped bayonets 54b at intervals, and the U-shaped bayonets 54b provided on the second bracket 50 correspond to the number and positions of the U-shaped bayonets 54 provided on the first bracket 48, The waterproof bolt 58 is clamped on the U-shaped bayonet 54b, as shown in FIG. 7 . Above-mentioned four LED lighting modules 56 are installed on the first support 48, 50, 62 of an LED street lamp, and the first support 48, the second support 50 and the fixing bracket 62 of the described LED street lamp are installed on a fixing seat 60, fixed The power supply installed in the seat 60, the fixed seat 60, the first bracket 48 fixed on the fixed seat 60, the second bracket 50 and the fixed bracket 62 for positioning the first bracket 48, the second bracket 50 and the fixed bracket 62 installed on the first bracket 48, The four LED light emitting modules 56 between the second brackets 50 constitute the lamp head of the LED street lamp, as shown in FIG. The four positioning devices 100 can adjust the required irradiation angle of the LED street lamp, as shown in FIG. 10 .

The positioning device 100 of the present invention is installed on lamps that require adjustable angles, such as stage lights, spotlights, garden lights, wall washers and a series of lamps that need to adjust the light angle, and the positioning device 100 of the present invention is applied to Involving LED lamps and related lamps should belong to the protection scope of this technology.

The above descriptions are all for convenience to illustrate the present invention. Without departing from the spirit of the present invention, various simple disguises and modifications made by those skilled in the art still belong to the protection scope of the present invention.

Claims (10)

1. A positioning device for a lamp, comprising a connecting head, a positioning head and a connecting handle for connecting and fixing the connecting head and the positioning head, it is characterized in that: a positioning hole is arranged in the connecting head, and the positioning card A positioning device for connecting the lamp is fixed in the hole; a first through hole is arranged in the positioning head, and a positioning contact, an elastic member, and a positioning contact for fixing the positioning contact and The fixing part of the elastic component, the top end of the positioning contact extends out of the first through hole. 2. A positioning device for a lamp according to claim 1, wherein a boss is provided at the tail end of the positioning contact, and one end of the first through hole is a matching contact with the positioning contact. stepped hole. 3. A positioning device for a lamp according to claim 1 or 2, characterized in that: the positioning device is a connecting screw, one end of the connecting screw is a fixed rod head, and the fixed rod head is wound around it. A slot is provided in the axial direction, the head of the fixing rod is fixed in the positioning hole, the slot is exposed outside the positioning hole, and the other end of the connecting screw is provided with an external thread fixedly connected with the lamp. 4. A positioning device for a lamp according to claim 3, wherein a nut is provided in the middle of the connecting screw. 5. A positioning device for a lamp according to claim 3, characterized in that: a second through hole is provided in the connecting screw, and an internal thread is provided in the second through hole near the end of the fixing rod head. A breathing hole vertically connected to the second through hole is arranged on the head of the fixing rod, and a waterproof breathable membrane and an annular ring for fixing the waterproof breathable membrane in the second through hole are arranged in the second through hole at the other end of the connecting screw. Fastener. 6 . The positioning device for a lamp according to claim 5 , wherein the head of the fixing rod is fixed in the positioning hole by screws. 7. The positioning device for a lamp according to claim 1, wherein the elastic member is a spring. 8. The positioning device for a lamp according to claim 1, wherein the elastic member is a metal shrapnel. 9. A positioning device for a lamp according to claim 1, wherein the fixed member is a fixing bolt. 10. A positioning device for a lamp according to claim 1, wherein the fixing member is a fixing screw.

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