TWI407042B - Lamp - Google Patents

Abstract

The present invention relates to a lamp. The lamp includes a lamp pole and a lamp head connected to the lamp pole by a connecting tube and a connecting head engaging in the connecting tube. A sliding block is slidably sandwiched between the connecting tube and the connecting head so as to adjusting the angle defined by the connecting tube and the connecting head.

Description

Lamp

The invention relates to a lighting device.

In order to meet the requirements of light distribution during installation, street lamps and lanterns need to set a certain inclination angle. The existing street lamps are usually realized by bending the poles at a certain angle. However, by setting the inclination angle in this way, once determined It cannot be easily changed, so it does not apply to the case where it is necessary to adjust the inclination of the luminaire.

In view of this, it is necessary to provide a luminaire that can adjust the inclination of the lamp head.

A lamp comprising a lamp cap and a lamp post, the lamp cap and the lamp post being sleeved together by a set of heads and a joint, wherein an inner surface of the sleeve head and the joint are interposed to form an angle between the sleeve and the joint a slider that is axially movable between the ferrule and the joint to change the size of the included angle.

Due to the above technical solution, by moving the slider sandwiched between the sleeve and the joint, the angle between the sleeve and the joint can be adjusted, thereby achieving the purpose of adjusting the inclination of the lamp head to meet the light distribution requirement.

1‧‧‧Lighting

10‧‧‧ lamp holder

11‧‧‧ lamp head body

12‧‧‧ head

121‧‧‧ screw holes

122‧‧‧Lend hole

123‧‧‧Perforation

124‧‧‧ Cover

125‧‧‧ screws

20‧‧‧light pole

21‧‧‧ vertical

22‧‧‧Connectors

30‧‧‧ Slider

31‧‧‧Support

32,34‧‧‧ screw holes

33‧‧‧ Protrusion

40‧‧‧First positioning piece

50‧‧‧Second positioning parts

60‧‧‧third positioning piece

1 is a perspective assembled view of a lamp in an embodiment of the present invention.

Figure 2 is a partial enlarged view of the ferrule and the joint of the luminaire of Figure 1 when exploded.

Figure 3 is a partial cross-sectional view in the axial direction of the ferrule and the joint of Figure 2 when combined in the first state.

Figure 4 is a partial cross-sectional view in the axial direction of the ferrule and the joint of Figure 2 when combined in the second state.

Figure 5 is a cross-sectional view in the radial direction of the combination of the ferrule and the joint of Figure 2 in the second state.

1 and 2 show a luminaire 1 in a preferred embodiment of the invention, which in the present embodiment is an LED street light. The luminaire 1 mainly comprises a lamp cap 10, a lamp post 20 and a slider 30 for adjusting the inclination of the lamp cap 10.

The base 10 includes a base body 11 and a ferrule 12 connected to the base body 11. The base body 11 is provided with a light-emitting element (not shown) such as an LED module. The light pole 20 includes a vertical portion 21 and a joint 22 extending laterally from the top of the vertical portion 21. The base 10 is mounted on the pole 20 by means of the ferrule 12 and the joint 22. It can be understood that the socket can also be placed on the lamp post and the joint can be placed on the lamp cap.

The joint 22 has a cylindrical shape and is at an angle with the horizontal direction so that the base 10 mounted thereon can be inclined at a certain angle with the horizontal direction, thereby adapting to the light distribution requirement of the lamp 1, and the inclination can be performed as needed. Ok, for example The angle between the joint 22 and the vertical portion 21 is 105 degrees in this embodiment, so that the inclination of the base 10 is 15 degrees.

The ferrule 12 has a cylindrical shape and is substantially elliptical in cross section (as shown in FIG. 5). A screw hole 121 is defined in the upper side near the open end, and a waist hole 122 is defined in the axial direction away from the open end. The lower side of the sleeve 12 defines a through hole 123 and a cover 124 covering the through hole 123. The size of the hole 123 is adapted to the size of the slider 30 so that the slider 30 can be inserted into the sleeve 12 through the cover. The 124 is secured to the ferrule 12 by a plurality of screws 125 for aesthetics and protection of the interior of the ferrule 12.

The inner diameter of the open end of the ferrule 12 is slightly larger than the outer diameter of the joint 22, so that the ferrule 12 can be sleeved on the joint 22 through the open end, and the distance from the top wall to the bottom wall of the ferrule 12 is from the direction of the base body 11 toward the open end. Gradually shrinking (as shown in FIG. 3), after the ferrule 12 is sleeved on the joint 22, an annular gap is formed between the inner wall surface of the ferrule 12 and the outer wall surface of the joint 22, and the ferrule 12 can be oscillated up and down with respect to the joint 22. In order to achieve the purpose of adjusting the angle between the sleeve 12 and the joint 12.

The slider 30 is disposed in the ferrule 12, which is elliptical in the embodiment, is sleeved on the joint 22 and is axially movable on the joint 22, and the inner edges of the two sides of the slider 30 are respectively connected to the joint 22. The outer wall surfaces on both sides are in close contact. The upper side of the slider 30 is provided with a supporting portion 31 for supporting between the upper side of the joint 22 and the upper inner wall surface of the ferrule 12 to form an angle between the ferrule 12 and the joint 22 (as shown in Fig. 3). The support portion 31 is provided with a screw hole 32 for engaging with a first positioning member 40. The relationship between the two is as shown in FIG. 3. The first positioning member 40 is coupled to the screw hole from the outside of the sleeve 12 through the waist hole 122. 32, used to operate the slider 30 as an operating handle to move in the axial direction, The slider 30 can be fixed to the ferrule 12 after the slider 30 is moved to the proper position. A protrusion 33 is formed on each of the front and rear sides of the screw hole 32. The size of the protrusion 33 is adapted to the size of the waist hole 122 on the sleeve 12, so that the protrusion 33 protrudes into the waist hole 122 during assembly to facilitate The mounting and positioning of the slider 30. The lower side of the slider 30 is provided with a screw hole 34 which penetrates the lower side of the slider 30 and cooperates with a second positioning member 50 to fix the slider 30 and the joint 22, thereby realizing the sleeve. The fixing between 12 and the joint 22.

In this embodiment, in order to prevent the ferrule 12 from swinging to the left and right with respect to the joint 22, the thickness of the left and right sides of the slider 30 is just equal to the distance between the joint 22 and the sides of the ferrule 12 (as shown in FIG. 5), so that both sides of the slider 30 The outer edges are respectively abutted against the inner wall surfaces on both sides of the ferrule 12. A third positioning member 60 is further disposed in the screw hole 121 at the upper side of the ferrule 12 near the open end to fix the ferrule 12 and the joint 22 near the open end. In this embodiment, the first positioning member 40, the second positioning member 50, and the third positioning member 60 are all cylindrical screw members, such as bolts, screws, and the like.

In addition, it should be noted that the shape of the slider 30 is not limited to a ring shape, and is annularly disposed in the present embodiment mainly for the purpose of enabling the slider 30 to be better coupled with the joint 22, and in other cases, With the cooperation of the appropriate combination, the slider 30 can be disposed in any shape. For example, by forming a dovetail structure on the slider and forming a dovetail groove on the joint, the slider can be set when the slider is combined with the joint. It is in the shape of a square.

Fig. 3 is a partial cross-sectional view showing the axial direction of the ferrule 12 and the joint 22 in the first state in the present embodiment. As can be seen from the figure, the slider 30 is now located at the position of the ferrule 12 closest to the base body 11. Correspondingly, the first connected to it The positioning member 40 is located on the side of the waist hole 122 closest to the base body 11. The support portion of the slider 30 is interposed between the ferrule 12 and the joint 22 such that an angle is formed between the ferrule 12 and the joint 22.

Figure 4 is a partial cross-sectional view showing the axial direction of the ferrule 12 and the joint 22 in the second state in the present embodiment. As can be seen from the figure, the slider 30 is moved upwardly on the joint 22 in the axial direction. At this time, the first positioning member 40 is located on the side of the waist hole 122 closest to the open end, and since the thickness of the support portion of the slider 30 is constant, it pushes the ferrule 12 upward in the process of moving to the right, so that The angle between the ferrule 12 and the joint 22 is increased, thereby achieving the purpose of adjusting the inclination of the luminaire. It should be particularly noted that since the tilt angle is adjusted by sliding the slider 30 on the joint 12 in the axial direction, any angle between the upper and lower inclination angles can be adjusted as needed to make the adjustment of the tilt angle of the lamp head more flexible and practical.

Referring to FIG. 2 together, in the assembly process, the cover plate 124 on the lower side of the ferrule 12 is first removed, and the slider 30 is placed in the ferrule 12, so that the protrusion 33 of the upper support portion 31 of the slider 30 extends into the ferrule 12. In the waist hole 122, the slider 30 is initially positioned by the first positioning member 40. Then, the ferrule 12 is sleeved on the joint 22 of the lamp post 20, and the slider 30 is sleeved on the joint 22 in an appropriate position according to the needs of the light distribution. The sleeve 12 is fixed to the slider 30 by the first positioning member 40, the slider 30 is fixed to the joint 22 by the second positioning member 50, and the sleeve 12 is fixed to the joint 22 at the open end by the third positioning member 60 (eg Figure 3 shows). Finally, the cover 124 is covered on the through hole 124 by the screw 125 to protect the inside of the ferrule 12, and the assembly is completed. When the detachment is performed, the above steps may be reversely operated, and details are not described herein again.

In summary, the present invention complies with the requirements of the invention patent, and proposes a patent application according to law. . The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.

12‧‧‧ head

121‧‧‧ screw holes

122‧‧‧Lend hole

123‧‧‧Perforation

124‧‧‧ Cover

125‧‧‧ screws

22‧‧‧Connectors

30‧‧‧ Slider

31‧‧‧Support

32,34‧‧‧ screw holes

33‧‧‧ Protrusion

40‧‧‧First positioning piece

50‧‧‧Second positioning parts

60‧‧‧third positioning piece

Claims (8)

A lamp comprising a lamp cap and a lamp post, the lamp cap and the lamp post being sleeved together by a set of heads and a joint, wherein the improvement is that: a clamping head is disposed between the inner wall surface of the bushing and the joint The joint forms an angled slider, the slider is axially movable between the sleeve and the joint to change the size of the angle, wherein the slider is disposed in the sleeve away from the opening The end of the sleeve is provided with a waist hole away from the open end, and a first positioning member connected to the slider is disposed in the waist hole for driving the slider to move in the axial direction, and The slider is fixed to the sleeve, wherein the slider is provided with a second positioning member for fixing the slider to the joint. The luminaire of claim 1, wherein the first and second positioning members are cylindrical threaded members; and the slider is provided with two screws respectively matched with the first and second positioning members. hole. The luminaire of claim 2, wherein the ferrule is provided with a third positioning member near the open end for fixing the ferrule to the joint. The luminaire of any one of claims 1 to 3, wherein the slider has an elliptical ring shape and is sleeved on the joint. The luminaire of claim 4, wherein the outer edges of the two sides of the slider are respectively abutted against the inner wall surfaces of the two sides of the ferrule. The luminaire of claim 1, wherein the ferrule is disposed on the base, and the joint extends laterally from the pole. The luminaire of claim 1, wherein the ferrule is from top to bottom The size of the side tapers toward the open end. The luminaire of claim 1, wherein the side of the ferrule defines a perforation for placing the slider into the ferrule and a cover for covering the perforation.