TWI416040B - Desk lamp capable of adjusting illumination direction - Google Patents

Abstract

A desk lamp capable of adjusting illumination direction is provided. The desk lamp includes a base, a supporting member, and a lamp. The supporting member is attached to the base to support the lamp. At least two button holes and at least two guiding holes are defined in the base. Each of the button holes communicates with a guiding hole. Each of the button holes receives liquid and a button. The supporting member includes at least two liquid channels and at least two pistons. Each of the liquid channel communicates with a guiding hole. One end of the piston is received in the liquid channel, and another end is moveably connected to the lamp. When a button is pressed, causing the liquid in the button hole receiving the button to inflood the liquid channel communicated with the button hole, the liquid in the liquid channel pushes the piston received in the liquid channel.

Description

Table lamp with adjustable lighting direction

The invention relates to a table lamp, in particular to a table lamp which can adjust the direction of illumination.

Table lamps have been widely used as lighting devices in daily life, work and study. Most lamps can adjust their lighting direction and illumination range. At present, table lamps generally adopt the following structure: the table lamp is connected to the base through a deformable connecting rod. By adjusting the deformation size and direction of the connecting rod, the illumination direction and illumination range of the table lamp are changed. However, the manner of adjusting the desk lamp is based on the fact that the connecting rod itself has the flexibility, and the long-term use may cause the expansion and contraction of the connecting rod to deteriorate, and cannot accurately stay at the predetermined position, thereby affecting the performance and the service life of the desk lamp.

In view of this, the present invention provides a novel table lamp that can adjust the illumination direction.

The lamp for adjusting the direction of illumination comprises a lamp holder, a supporting member and a lamp body, and the supporting member is fixedly connected to the lamp holder for supporting the lamp body. The table lamp also includes at least two control buttons. The lamp holder is provided with at least two first button holes and at least two first guiding holes, each of the first button holes is in communication with a first guiding hole, and the at least two first button holes are Each of the first button holes receives a fluid, and each of the first button holes receives a control button; the support member includes a fluid passage and a piston rod, the fluid passage is in communication with a first guiding hole of the base, one end of the piston rod is received in the liquid passage, and the other end of the piston rod is hinged to the lamp body; the control button Upon being pressed, the fluid is forced into the fluid passage of the support member, the piston rod of the support member being moved by the fluid in the fluid passage.

The desk lamp provided by the invention adjusts the illumination direction of the lamp by controlling the flow of the fluid in the lamp holder and the support element by operating the control button on the lamp holder, thereby overcoming the deterioration of the existing table lamp due to the deterioration of the link. Good to adjust the defects of the lighting direction of the desk lamp.

100‧‧‧ lamps

10‧‧‧ lamp holder

20‧‧‧Support components

30‧‧‧Light body

22‧‧‧Support column

24‧‧‧Piston column

40‧‧‧Control button

1 is a perspective view of a desk lamp that can adjust an illumination direction according to an embodiment of the present invention.

Figure 2 is an exploded view of the table lamp of Figure 1.

Figure 3 is another exploded view of the table lamp of Figure 1.

4 is a partial cross-sectional view of the base of the desk lamp of FIG. 2.

Figure 5 is a partial cross-sectional view of the cover of the base of Figure 4.

Figure 6 is a perspective view of the control button of Figure 2.

Referring to FIG. 1 , the desk lamp 100 includes a lamp holder 10 , a support member 20 , and a lamp body 30 . The support member 20 is fixedly coupled to the socket 10 for supporting the lamp body 30. The support member 20 includes at least two support posts 22 fixedly coupled to the base 10 and at least two piston posts 24. The lamp holder 10 and the support column 22 are filled with a fluid. One end of the piston rod 24 is movably connected to the support column At one end of the 22, the other end of the piston rod 24 is hinged to the lamp body 30. At least two control buttons 40 are mounted on the socket 10, the operation button 40 can control the flow of the fluid, the flow of the fluid can cause the axial movement of the piston rod 24, and the axial movement of the piston rod 24 can adjust the position of the lamp body 30. The posture is such that the illumination direction of the lamp body 30 can be adjusted. In the present embodiment, the number of the button 40, the support post 22, and the piston rod 24 is exemplified by four.

Referring to FIG. 2 to FIG. 4 together, in the present embodiment, the socket 10 is substantially disk-shaped and includes a base 12 and a cover 14. Four first button holes 122 and four first guiding holes 124 are defined in the base 12 from the top. The first guiding hole 124 is away from the side surface of the base 12 than the first button hole 122. Four guiding channels 126 are defined in the base 12, and one end of each guiding channel 126 communicates with a first button hole 122, and the other end communicates with a first guiding hole 124.

Referring to FIG. 5 together, the shape of the cover 14 matches the shape of the base 12. A second button hole 142 is disposed on the cover body 14 at a position corresponding to the first button hole 122, and a second guiding hole 144 is disposed at a position corresponding to the first guiding hole 124. The diameter of the second button hole 142 is smaller than the diameter of the first button hole 122, and the diameter of the second guiding hole 144 is substantially the same as the diameter of the first guiding hole 124. The circumferential surface of the second button hole 142 defines a ring groove 1422, and at least one recessed first receiving portion 1424 and at least one second receiving portion 1426 opposite to the first receiving portion 1424. The top of the first receiving portion 1424 extends from the top of the cover 14 until it communicates with the annular groove 1422, and the second receiving portion 1426 extends from the bottom of the cover 14 until it communicates with the annular groove 1422. The height of the first housing portion 1424 is equal to the height of the second housing portion 1426.

Referring to FIG. 6 together, the button 40 includes a pressure plate 42 and a pressing post 44 fixedly coupled to the pressure plate 42. The diameter of the pressing plate 42 is the same as the diameter of the first button hole 122, and the pressing column 44 is The diameter is the same as the diameter of the second button hole 122. At least one row of axially aligned projections 442 is convexly formed on the circumferential surface of the pressing post 44. The shape of the protrusion 442 is matched with the shape of the first receiving portion 1424 and the second receiving portion 1426 , that is, the protrusion 442 can be received in the first receiving portion 1424 and the second receiving portion 1426 . The height of each of the protrusions 442 is slightly smaller than the height of the ring groove 1422. The distance between two adjacent protrusions 442 of each of the protrusions 442 of each column is equal, and is slightly larger than the height of the first receiving portion 1424 or the second receiving portion 1426, that is, a protrusion 442 of each column of protrusions 442 is received in When the groove 1422 is looped, one of the two protrusions 442 adjacent to the protrusion 442 is located at the top of the cover 14, and the other protrusion 442 is located at the bottom of the cover 14.

When the lamp holder 10 is assembled, the pressing plate 42 of the button 40 is placed in the first button hole 122 of the base 12, and the pressing post 44 of the button 40 is passed through the second button hole 142 on the cover body 14 to make at least one protrusion 442. The first receiving portion 1424 or the second receiving portion 1426 is housed, and the lid 14 is fixedly coupled to the base 12 by a gelatinous substance such as a pressure sensitive adhesive. The button 40 is pulled up or down until the spin button 40 can slide the projection 442 on the pressing post 44 into the ring groove 1422. Since the height of the projection 442 is slightly smaller than the height of the ring groove 1422, the axial movement of the button 40 is restricted.

A first duct 222 is provided on the support column 22 from the top downward. A guide post 224 is protruded from the bottom of the support post 22, and the diameter of the guide post 224 is the same as the diameter of the first guiding hole 124 and the second guiding hole 144. A second pipe 2242 is opened on the guiding column 224 along the axial direction of the guiding column 224, and the second pipe 2242 is in communication with the first pipe 222. The piston rod 24 includes a cylinder 240, a pressing end 242, and a generally spherical connecting end 244. The diameter of the pressing end 242 is larger than the diameter of the cylinder 240 and is the same as the diameter of the first duct 222.

In the present embodiment, the table lamp 100 further includes four collars 50. The collar 50 is opened The through hole 52 has a diameter smaller than the diameter of the pressing end 242 of the piston rod 24, and the connecting end 244 of the piston rod 24 can pass through the through hole 52.

Four sliding grooves 32 are formed on the back surface of the lamp body 30. The chute 32 extends radially from the side of the lamp body 30 and includes two edges 322, 324 formed on the back side of the lamp body 30 and an opening 326 formed in the side of the lamp body 30. The distance between the two edges 322, 324 is slightly larger than the diameter of the cylinder 240 of the piston rod 24 and smaller than the diameter of the connecting end 244. A conductive plate (not shown) within the lamp body 30 is electrically coupled to the wire 34 and is coupled to an external power source (not shown) via a wire 34 to provide the power required for illumination of the lamp body 30.

During assembly, the guiding post 224 on the support post 22 is inserted into the first guiding hole 124 and the second guiding hole 144, and the supporting post 22 is fixed on the base 12 by a gelous substance. The fluid is poured from the first conduit 222. The fluid flows into the guiding channel 126 and the first button hole 122 through the first pipe 222 and the second pipe 2242. When the fluid is slightly below the top of the support column 22, the injection of fluid is stopped. The collar 50 is sleeved from the connecting end 244 of the piston rod 24 on the cylinder 240 of the piston rod 24, and the connecting end 244 of the piston rod 24 is slid into the sliding slot 32 from the opening 326 of the sliding groove 32, and along the sliding slot 32. slide. Since the distance between the two edges 322, 324 of the chute 32 is less than the diameter of the connecting end 244, the movement of the piston rod 24 in the axial direction is limited. The pressing end 242 of the piston rod 24 is inserted into the first pipe 222 of the support column 22, and the collar 50 is fixedly coupled to the support column 22 by a colloidal substance. Since the diameter of the through hole 52 of the collar 50 is smaller than the diameter of the pressing end 242 of the piston rod 24, the piston rod 24 is not separated from the support column 22.

For a better understanding of the present invention, the following is an example to illustrate the operation of adjusting the illumination direction of the desk lamp 100 using the button 40 of the present invention.

The button 40 is rotated, and the protrusion 442 on the button 40 faces the first receiving portion 1424 or the second receiving portion 1426 on the base 12. Pressing one of the buttons 40 downwards, at this time, the fluid in the first button hole 122 accommodating the button 40 is guided by the pressure plate 42 of the button 40 through the guiding passage 126 communicating with the first button hole 122. The second conduit 2242 of the guide post 224 is received in the first guiding hole 124 that communicates with the guiding passage 126. The liquid in the second conduit 2242 flows into the first conduit 222 of the support column 22 that is coupled to the guide post 224. At this time, the fluid in the first pipe 222 pushes up the pressing end 242 of the piston rod 24 received in the support column 22, so that the piston rod 24 pushes up the lamp body 30 to tilt the lamp body 30. The other piston rod 24 is pressed by the lamp body 30 by the inclination of the lamp body 30, thereby pressing the fluid in the first duct 222 of the support column 22 accommodating the piston rod 24. The fluid in the first conduit 222 flows into the second conduit 2242 fixedly connected to the guide post 224 of the support column 22, and the liquid of the second conduit 2242 flows into and through the guide passage 126 communicating with the second conduit 2242. The guiding channel 126 is in communication with the first button hole 122. At this time, the fluid in the first button hole 122 pushes the button 40 accommodated in the first button hole 122 upward. After the tilt angle of the lamp body 30 is adjusted to the desired angle, the button 40 is rotated to slide the projection 442 on the button 40 into the ring groove 1422. So far, the adjustment of one illumination direction of the desk lamp 100 is completed.

100‧‧‧ lamps

10‧‧‧ lamp holder

20‧‧‧Support components

30‧‧‧Light body

22‧‧‧Support column

24‧‧‧Piston column

40‧‧‧Control button

Claims (7)

A lamp for adjusting the direction of illumination, comprising a lamp holder, a supporting member and a lamp body, wherein the supporting member is fixedly connected to the lamp holder for supporting the lamp body, and the improvement is that the lamp further comprises at least two a control button; the lamp holder is provided with at least two first button holes and at least two first guiding holes, each of the first button holes is in communication with a first guiding hole, the at least two first Each of the first button holes of the button hole receives a fluid, and each of the first button holes receives a control button; the support member includes a fluid passage and a piston rod, and the fluid passage and the first guide hole of the base Connected, one end of the piston rod is received in the liquid passage, the other end of the piston rod is hinged to the lamp body; and the control button is pressed to push the fluid into the fluid passage of the support member, The piston rod of the support element is moved by the fluid in the fluid passage. The table lamp of the adjustable illumination direction of claim 1, wherein the lamp holder comprises a base, and the first button hole and the first guiding hole are formed on the base. The lamp for adjusting the direction of illumination according to the second aspect of the invention, wherein the lamp holder further comprises a cover body, and the second button hole is opened at a position corresponding to the first button hole on the cover body; The control button includes a pressure plate and a pressing column, and the pressure plate is received in the first button hole, and the pressing column protrudes into the second button hole. A table lamp capable of adjusting an illumination direction as described in claim 3 of the patent application, wherein a circumferential surface of the second button hole is provided with a ring groove, and at least one recessed first receiving portion and at least one second receiving portion opposite to the first receiving portion, the first receiving portion extending from the top of the cover Up to the ring groove, the second receiving portion extends from the bottom of the cover body to the ring groove; the pressing column of the control button is convexly provided with at least one row of protrusions arranged in the axial direction, and the protrusion may be The first receiving portion and the second receiving portion are received and can slide into the ring groove. The table lamp of the adjustable illumination direction of claim 4, wherein the first receiving portion and the second receiving portion have the same height; the height of the protrusion is the same as the height of the ring groove The distance between two adjacent protrusions in each row of protrusions is equal to be greater than the heights of the first receiving portion and the second receiving portion. The table lamp of the adjustable illumination direction of claim 1, wherein the lamp body has at least two sliding grooves on the back side thereof; the other end of the piston rod is hinged to the Light body. The table lamp of the adjustable illumination direction of claim 6, wherein the end of the piston rod sliding into the chute is a spherical end; the chute is along the side of the lamp body. Extending, the chute includes two edges formed on a back surface of the lamp body and an opening formed on a side of the lamp body, the distance between the two edges being greater than the diameter of the piston rod and smaller than the piston rod The diameter of the end of the sphere.