CN113280283A

CN113280283A - Drawable desk lamp

Info

Publication number: CN113280283A
Application number: CN202110497981.5A
Authority: CN
Inventors: 黄新溪; 朱佳文; 苏移兵; 杨润强
Original assignee: Shiliang Photoelectric Technology Zhejiang Co ltd
Current assignee: Shiliang Photoelectric Technology Zhejiang Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-08-20

Abstract

The invention discloses a drawable desk lamp, which comprises a lamp holder, a lamp post and a fixed seat, wherein the lamp post comprises a connecting rod, a first rod body hinged with one end of the connecting rod and a second rod body hinged with the other end of the connecting rod, the head end of the first rod body is connected with the lamp holder, the tail end of the second rod body is provided with a sliding block, and the second rod body is connected with the fixed seat in a sliding way; the fixing seat is provided with a sliding groove extending along the telescopic direction of the lamp pole, so that the lamp pole and the fixing seat generate relative displacement along the telescopic direction of the lamp pole, and the fixing seat is provided with a clamping part connected with the base. The lamp post of the desk lamp is made into a telescopic shape, so that the front and back illumination areas of the desk lamp can be conveniently adjusted, and in addition, the desk lamp can be conveniently stored due to the integrated design with the base.

Description

Drawable desk lamp

Technical Field

The invention relates to a desk lamp, in particular to a desk lamp with a drawing function.

Background

At present, teenagers use eye protection desk lamps more frequently during reading and writing, but because the desk lamp base is placed on a learning desk, the desk space is easily occupied, and the desk lamp base is inconvenient to store, consequently along with the technological progress, the design of more and more lamps and desk integration has appeared, for example the chinese utility model patent that the publication number is CN212117471U is authorized, specifically disclose an intelligence children study table, including desk assembly and the bookshelf assembly of setting in desk assembly top, be provided with book end assembly and LED light on the bookshelf assembly, the LED light passes through intelligent expansion bracket and sets up on book end assembly, intelligent expansion bracket is including being used for fixing the fixing base at bookshelf assembly and with the articulated first connecting section that sets up of fixing base, the one end that the fixing base was kept away from to the head rod articulates there is the second connecting rod, the one end that the head rod was kept away from to the second connecting rod articulates there is the connecting seat, can dismantle fixed connection between connecting seat and the LED light.

Through above-mentioned technical scheme, this patent has realized desk lamp illumination angle, height adjustment to a certain extent. However, from the perspective of user use, this solution has the following drawbacks: the lighting area, the lighting brightness and the height are influenced by the first connecting rod and the second connecting rod, partial area of the desk lamp of the learning desk is difficult to irradiate or partial area can irradiate but the lighting brightness is insufficient, for example, in the front edge area (far away from one side of a bookshelf) of the desktop of the learning desk, because the first connecting rod and the second connecting rod are mutually hinged and cannot stretch, the high-quality lighting effect is difficult to obtain, and the eyeball is easy to be tired and influences the eyesight when the desk is used for learning in the bad light environment for a long time.

Disclosure of Invention

The invention aims to provide a table lamp which is convenient to store and can provide a wider illumination area.

The invention is realized by the following technical scheme.

A drawable desk lamp comprises a lamp holder, a lamp post and a fixed seat.

The lamp post comprises a connecting rod, a first rod body hinged with one end of the connecting rod and a second rod body hinged with the other end of the connecting rod, wherein the head end of the first rod body is connected with the lamp cap, the tail end of the second rod body is provided with a sliding block, and the second rod body is connected with the fixed seat in a sliding manner;

the fixed seat is provided with a chute extending along the telescopic direction of the lamp post, so that the lamp post and the fixed seat generate relative displacement along the telescopic direction of the lamp post, and the fixed seat is provided with a clamping part connected with the base;

the slider is equipped with a plurality of bellied ribs towards the one side of spout, and rib and spout shape adaptation, and extend along spout length direction to relative displacement in spout length direction.

The clamping part is arranged in a U shape and comprises an upper clamping plate, a lower clamping plate and a connecting plate, and the upper clamping plate is connected with the lower clamping plate through the connecting plate.

The structure of this scheme through lamp pole, fixing base and connected mode improve chinese utility model patent CN212117471U, specifically speaking, the back-and-forth movement for the base is realized through slider on the lamp pole, the spout on the fixing base to the desk lamp main part (lamp holder, lamp body). For the user, when the user needs to move the light source forward from a region behind in different learning environments, the desk lamp main body (lamp holder and lamp body) can be extended out along the slide rail of the fixing seat. The base of the scheme can be any structure capable of fixing the desk lamp, such as a bookshelf, a desk, a back cabinet and the like, and is preferably a study desk bookshelf.

In addition, set up the lamp pole into the connecting rod, with the first body of rod of connecting rod one end articulated, with the articulated second body of rod of connecting rod other end for the desk lamp is except that the front and back direction slide adjusting illumination area, can also change the articulated angle of connecting rod and first body of rod, the second body of rod, thereby adjusts height, the angle of desk lamp holder, uses the illumination area of desk lamp more to laminate the user.

For making slider (lamp pole) slide along the length direction of spout (fixing base), prevent that slider (lamp pole) from breaking away from spout (fixing base) and move on the left or on the right side, the one side of slider orientation spout is equipped with a plurality of bellied ribs, rib and spout shape adaptation, and extend along spout length direction to make slider (lamp pole) relative displacement in spout (fixing base) length direction. The ribs and the sliding grooves on the sliding block extend along the extending direction of the desk lamp and can be a plurality of ribs and sliding grooves; preferably, in order to avoid friction increase or blockage caused by unbalanced left and right stress, the arrangement of the ribs and the sliding grooves is generally symmetrical along the central axis of the sliding grooves; preferably, the number of the ribs and the chutes is two, and the two ribs and the chutes are symmetrical along the central axis of the chute; preferably, in order to avoid the generation of large friction and noise caused by the contact between the sliding block and the sliding groove surface, the height of the rib is larger than the groove depth of the sliding groove.

In order to fix the fixed seat and the base, the clamping part of the fixed seat is arranged in a U shape and is clamped on the base. The clamping part is upwards buckled from the fixed seat, forms a "U" type cavity, and the cavity is used for the holding base, and the concrete embodiment is: the clamping part comprises an upper clamping plate, a lower clamping plate and a connecting plate, and the upper clamping plate is connected with the lower clamping plate through the connecting plate. Preferably, in order to realize more stable connection, the gasket made of PVC material can be arranged on the surface, opposite to the fixed seat, in the U-shaped cavity.

As a simple replacement of the scheme, a corresponding groove can be arranged on the sliding block, and a protruding rib which is matched with the groove in appearance and extends along the length direction is arranged on the fixing seat, so that the technical effect same as that of the scheme is achieved.

The terms "front-back", "left-right", "extending direction", "upper", "lower" are used in the context of this application to refer to the relative direction or position of the table lamp during normal use, e.g., the direction in which the table lamp extends is the front.

In order to reduce the friction force between the sliding block and the fixed seat and reduce the abrasion of the sliding block so as to prolong the service life, one surface of the sliding block, back to the sliding groove, is provided with a plurality of convex edges, the convex edges are semi-cylindrical bulges, and the convex edges extend along the length direction of the sliding groove. The convex edge changes the contact of the sliding block and the fixed seat from surface contact to line contact, and the friction force between the sliding block and the fixed seat, the abrasion of the sliding block and the service life of the sliding block are effectively reduced in the front and back stretching process of the desk lamp.

As a simple replacement of the scheme, the side of the sliding block back to the sliding groove can be free of the convex edges, the sliding block can slide on the fixed seat as a flat surface when in use, and the side of the fixed seat opposite to the sliding groove is provided with the plurality of convex edges, so that the technical effect same as that of the scheme is achieved.

The sliding block comprises an inner lining part and an outer sleeve part, the second rod body is provided with the inner lining part towards the direction of the fixed seat, the outer sleeve part is sleeved outside the inner lining part, and the outer sleeve part is provided with ribs and convex edges; by arranging the raised ribs and the convex ribs on the outer sleeve piece, the outer sleeve piece can be recovered to be used only by replacing the outer sleeve piece even if the ribs and the convex ribs cannot be used or influence the use due to abrasion.

For the installation of lamp pole on the fixing base, the spout includes entering portion and slide rail portion, and entering portion is lou hopper-shaped, reduces along spout depth direction gradually, and the entering portion of leaking hopper-shaped provides sufficient space for the entering of slider, even if the slider has deviated the position when getting into the spout originally, also can automatic calibration get into slide rail portion at last.

In order to facilitate the installation of the lamp pole of the desk lamp, better hinging effect and attractive effect are realized, a bearing is arranged at the hinging position of the connecting rod and the first pole body and/or the second pole body, a left cover and a right cover are arranged at two ends of the bearing and fastened through screws so that the connecting rod is tightly held with the second pole body, a strip-shaped knob along the diameter direction is arranged on the left cover, a plurality of bulges are arranged on the right cover, and at least one of the two mutually hinged parts is provided with a groove matched with the bulges. This scheme is through covering on the right side and setting up the arch, sets up the recess on the connecting rod or the first body of rod of interconnect, or sets up the recess on the connecting rod or the second body of rod of interconnect, has realized the circumference location to the right side lid to only need rotate the knob of left side lid when the installation and can realize controlling screwing, the locking of lid, it is convenient to install, the appearance is pleasing to the eye.

In order to replace the lamp holder of the desk lamp conveniently, the lamp holder is detachably connected with the head end of the first rod body.

For promoting the fixed stability of lamp holder and lamp pole, the lamp holder has adopted the buckle with the head end of the first body of rod to be connected, and the lamp holder includes connecting portion, is equipped with one or a plurality of buckle on the connecting portion, first body of rod head end be equipped with the groove of buckle adaptation.

As a simple replacement of the scheme, a groove matched with the buckle can be arranged at the head end of the lamp holder and the first rod body, and a component with a bidirectional buckle is additionally adopted to connect the head ends of the lamp holder and the lamp post.

In order to avoid the damage of the power line of the desk lamp due to abrasion and better realize the wiring treatment, a wire groove A, a wire groove B and a clamping seat are further arranged on the second rod body, the wire groove A and the wire groove B are communicated with each other through a chute, the clamping seat is connected onto the second rod body, and a wire groove C is arranged on the clamping seat. The power line is arranged from the power supply, and the wire groove B and the wire groove A are sequentially arranged on the second rod body, so that the wire groove A is close to the wiring opening of the connecting rod and structurally embodied that the wire grooves A, B are communicated with each other by a chute in order to avoid the abrasion of the power line in the second rod body; in addition, the wiring mouth at wire casing B position is formed by wire casing B, wire casing C block, and through above-mentioned spacing for the wearing and tearing of power cord in the second body of rod effectively reduce.

When the power cord adopts the spring wire that has certain resilience ability, or in order to increase the locking force of desk lamp in a certain position, for example when adopting the spring wire, when the desk lamp stretches out forward, the power cord can produce the resilience force that draws back the desk lamp, and in order to offset this part's resilience force, outer sleeve spare is equipped with a plurality of shell fragments towards the spout and/or the one side of keeping away from towards the spout.

In order to provide better aesthetic effect, the fixed seat or the clamping part is connected with a decorative plate towards one side of the extending direction of the desk lamp. Preferably, the decorative plate may be mounted with accessories such as a clock.

Drawings

Preferred features of the invention will now be described, by way of example only, with reference to the accompanying drawings, in which:

FIG. 1 is a rear view of the table lamp of the present invention;

FIG. 2 is a bottom view of the desk lamp of the present invention;

FIG. 3 is an exploded view of the entire table lamp of the present invention;

FIG. 4 is a top view of the desk lamp of the present invention;

FIG. 5 is a view of the lower portion of the lamp cap of the present invention, and FIG. 5(a) is a partially enlarged view of the connection portion A of FIG. 5;

fig. 6 is a schematic view of the lamp body of the present invention;

FIG. 7 is a schematic view of a second rod according to the present invention;

FIG. 8 is a top view of the cartridge of the present invention;

FIG. 9 is a bottom view of the cartridge of the present invention, scaled 2:1 with respect to FIG. 8;

FIG. 10 is a partial schematic view of the mounting base of the present invention;

FIG. 11 is a bottom view of the fixing base of the present invention, and FIG. 11(a) is a sectional view of the slider-sliding groove portion B-B of FIG. 11;

FIG. 12 is a schematic and partially enlarged view of a second embodiment of the present invention;

fig. 13(a) is a schematic view of a casing member according to a first embodiment of the present invention, and fig. 13(b) is a schematic view of the casing member according to the first embodiment of the present invention;

fig. 14 is a schematic view of the desk lamp of the present invention mounted on a base.

Detailed Description

The invention is explained in more detail below with reference to the drawings and exemplary embodiments.

Example 1:

referring to fig. 1 and 2, a desk lamp capable of being drawn comprises a lamp holder 1, a lamp post 2, a fixing seat 3 and a power cord 4, wherein the lamp post 2 comprises a first rod body 21, a connecting rod 22 and a second rod body 23, the lamp holder 1 is connected with the head end of the first rod body 21, and the fixing seat is connected with the tail end of the second rod body 23.

Referring to fig. 3, 13(a) and 13(b), the first rod 21 is hinged to one end of the connecting rod 22, the second rod 23 is hinged to the other end of the connecting rod 22, a second bearing 233 is disposed at the hinged position of the connecting rod 22 and the second rod 23, a second left cover 232 and a second right cover 231 are disposed at two ends of the second bearing 233, the second left cover 232 and the second right cover 231 are fastened by screws, and the inner wall surface is tightly attached to the second rod 23 and the connecting rod 22, so that the connecting rod 22 and the second rod 23 are tightly held; in addition, a bar-shaped knob is arranged on the second left cover 232 along the diameter direction, a plurality of protrusions are arranged on the second right cover 231, and a groove matched with the protrusions is formed in the connecting rod 22 and used for limiting the circumferential freedom degree of the second right cover 231 relative to the connecting rod 22 and preventing the second right cover 231 from rotating when the second left cover 232 is rotated to enable the connecting rod 22 and the second rod body 23 to be tightly held or loosened.

The joint of the connecting rod 22 and the first rod 21 is provided with a first bearing 213, and this joint is an alternative to the connection of the connecting rod 22 and the second rod 23, and the following is specific: the connecting rod 22 is hinged to the first rod 21 through a first bearing 213, a screw and a nut are arranged on the first bearing 213 to tightly hold the connecting rod 22 and the first rod 21, and a first left cover 212 and a first right cover 211 are arranged at two ends of the first bearing 213 and are respectively connected with the connecting rod 22 and the first rod 21 in a buckling manner.

The second rod 23 is further provided with a slider and a clamping seat 236 accommodated inside the second rod 23, the slider comprises an inner lining member 234 and an outer lining member 235, the second rod 23 is provided with the inner lining member 234 facing the fixing seat 3, the outer lining member 235 is sleeved outside the inner lining member 234, the outer lining member 234 is provided with a plurality of ribs 111 and a plurality of ribs 112, the ribs 111 are arranged on one surface of the slider facing the sliding groove 331, the ribs 112 are arranged on one surface of the slider facing away from the sliding groove 331, and the ribs 111 and the ribs 112 extend along the length direction of the sliding groove 331.

The fixing base 3 comprises a decorative plate 31, an upper fixing base 32, a lower fixing base 33 and a rear cover 34. The front part of the upper fixing seat is provided with a clamping part 321, the clamping part 321 is bent upwards from the upper fixing seat 32 to form a U-shaped cavity, and the cavity is used for accommodating the base; the lower fixing seat 33 is provided with a sliding chute 331, the sliding chute 331 extends along the length direction of the lamp post, the sliding chute 331 comprises an inlet part and a sliding rail part, the sliding chute extends from the rear part of the lower fixing part 33 to the front part of the lower fixing seat 33, and is the inlet part and the sliding rail part in sequence, the sliding chute at the inlet part is funnel-shaped, and gradually reduces along the depth direction of the sliding chute; the rear cover 34 is mounted on the lower fixed seat 33 for preventing the slide from being separated from the fixed seat 3 in the telescopic stroke.

Referring to fig. 4 and 5, the lamp cap 1 includes a housing 11, a light source 12, a connecting portion 13, and a switch 14, where one end of the connecting portion 13 is fixedly connected to the housing 11, and the other end is provided with one or more buckles 131 for connecting with a lamp post.

Referring to fig. 6, the first rod 21 is provided with a groove 214 adapted to the buckle 131, for cooperating with the buckle 131 on the connecting portion 13 to detachably connect the lamp cap 1 and the rod 2.

Referring to fig. 7, 8, and 9, a slider, a wire casing a101, a wire casing B102, and a wire casing seat 236 are disposed on the second rod 23, the wire casing a101 and the wire casing B102 are communicated with each other through a chute 104, the wire casing seat 236 is disposed in an accommodating space of the second rod 23, a wire casing C103 is disposed on the wire casing seat 236, a power line is routed from a power source and sequentially passes through the wire casing B102 and the wire casing a101 on the second rod, in order to prevent the power line from being worn inside the second rod 23, the wire casing a101 is close to a wiring port of a connecting rod, structurally, the wire casing a101 and the wire casing B102 are communicated with each other through a chute, a wiring port at the position of the wire casing B is formed by fastening the wire casing B102 and the wire casing C103, specifically, the wire casing C103 is continuously fastened under an original wiring port area of the wire casing B102, and the area of the wiring port is reduced until only one power line 4 is allowed to pass through.

Referring to fig. 10, 11(a), 13(a) and 13(b), the sliding slot 331 extends along the length direction of the lamp post, the sliding block extends along the length direction of the sliding slot 331, the rib 111 on the sliding block is matched with the shape of the sliding slot 331 so as to relatively displace in the length direction of the sliding slot, and the convex rib 112 on the sliding block is abutted on the fixed seat so as to reduce friction and reduce wear.

Referring to fig. 14, in the present embodiment, the base is a learning desk bookshelf, and the desk lamp is connected to the base through a clamping portion 321 on the fixing base 3. The clamping part is arranged in "U" type, including punch holder, lower plate, connecting plate, and in this embodiment, the lower plate is upper fixing base 32, is connected through the connecting plate between punch holder and the lower plate, "U" type cavity between punch holder and the lower plate is used for the holding base.

Example 2:

referring to fig. 12 and the enlarged partial view, fig. 13(b), when the power cord 4 is a spring wire with certain resilience, or in order to increase the locking force of the desk lamp at a certain position, the outer sheath 235 is provided with a spring 113, and the spring 113 is formed by bending the upper side or lower side surface of the outer sheath for providing a certain locking force for the slider on the sliding slot 331.

Example 3:

referring to fig. 1, in order to fix the relative position of the base and the fixing base 3 in the front-rear direction, the base and the fixing base 3 may be fixed by screws in addition to the engagement of the clamping portions.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments can be modified, or some technical features can be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a desk lamp of pull, includes lamp holder, lamp pole, fixing base, its characterized in that:

the lamp post is provided with a fixed seat, the fixed seat is provided with a sliding groove extending along the telescopic direction of the lamp post, so that the lamp post and the fixed seat generate relative displacement along the telescopic direction of the lamp post, and the fixed seat is provided with a clamping part connected with the base;

one surface of the sliding block facing the sliding chute is provided with a plurality of raised ribs, the ribs are matched with the shape of the sliding chute and extend along the length direction of the sliding chute so as to relatively displace in the length direction of the sliding chute;

2. The desk lamp of claim 1, wherein: the slider is equipped with a plurality of beads towards the one side of spout back of the body, the bead extends along spout length direction.

3. The desk lamp as claimed in any one of claims 1-2, wherein the desk lamp comprises: the sliding block comprises an inner lining part and an outer sleeve part, the inner lining part is arranged on the second rod body towards the direction of the fixed seat, the outer sleeve part is sleeved outside the inner lining part, and the outer sleeve part is provided with the ribs and the convex edges; the spout is including entering into portion and slide rail portion, entering into portion is hourglass hopper-shaped, reduces along spout depth direction gradually.

4. The desk lamp of claim 1, wherein: the articulated department of the connecting rod and first and/or second body of rod is equipped with the bearing, the bearing both ends are equipped with left cover, right cover, left side cover, right cover pass through the screw-up to make the connecting rod hold tightly with the second body of rod, the left side is covered and is equipped with along diameter direction's knob, the right side is covered and is equipped with a plurality of archs, on two articulated parts of each other at least one of them part be equipped with the recess of protruding adaptation.

5. The desk lamp of claim 1, wherein the desk lamp comprises: the lamp holder is detachably connected with the first rod body.

6. The desk lamp of claim 5, wherein: the lamp holder comprises a connecting part, one or a plurality of buckles are arranged on the connecting part, and grooves matched with the buckles are formed in the first rod body.

7. The desk lamp of claim 1, wherein: the second rod body is further provided with a wire groove A, a wire groove B and a clamping seat, the wire groove A and the wire groove B are communicated through a chute, the clamping seat is connected to the second rod body, and a wire groove C is arranged on the clamping seat.

8. The desk lamp of claim 2, wherein: and a plurality of elastic sheets are arranged on one side of the outer sleeve piece facing the sliding groove and/or back facing the sliding groove.

9. The desk lamp of claim 1, wherein: the fixing seat or the clamping part is connected with a decorative plate towards one side of the extending direction of the desk lamp.