CN111486364A

CN111486364A - Folding table lamp

Info

Publication number: CN111486364A
Application number: CN202010272775.XA
Authority: CN
Inventors: 葛为民
Original assignee: Changzhou Institute of Technology
Current assignee: Changzhou Institute of Technology
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-08-04

Abstract

The invention provides a folding desk lamp, which comprises a lampshade, a supporting cross rod and a multidirectional rotating piece, wherein the lampshade is arranged on the supporting cross rod; the lampshade is connected with the supporting cross bar through the multidirectional rotating piece; the multidirectional rotating piece comprises a rotating rod, a large U-shaped piece and a small U-shaped piece; the first end of the rotating rod is connected with the lampshade, and the second end of the rotating rod penetrates through two first connecting pieces in the large U-shaped piece and is rotatably connected with the first connecting pieces; the opening of the small U-shaped piece is downwards arranged in the large U-shaped piece, and two second connecting pieces in the small U-shaped piece are respectively positioned at two sides of the rotating rod; the supporting cross rod is connected with the two second connecting pieces through the first fastening piece, so that the connection of the multidirectional rotating piece and the supporting cross rod is realized. According to the folding table lamp provided by the invention, the multidirectional rotating piece is arranged between the lampshade and the supporting cross rod, so that the lampshade can rotate along the axial direction of the rotating rod and can also rotate along the vertical direction, the angle of the lampshade can be adjusted along multiple directions, and the illumination range of the folding table lamp is expanded.

Description

Folding table lamp

Technical Field

The invention relates to the technical field of lighting, in particular to a folding table lamp.

Background

At present, in life, study and work, the lamp decoration is an indispensable article, wherein the desk lamp is a common household lighting appliance; the conventional desk lamp usually has the problem that the lamp shade can only rotate within a certain angle range along a single direction, so that the irradiation range of the desk lamp is limited, the irradiation angle cannot be adjusted at will, and the use range of the desk lamp is limited.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide a folding table lamp.

In order to solve the above problems, the present invention provides a foldable desk lamp, which comprises a lampshade, a supporting cross bar and a multi-directional rotating member;

the lampshade is connected with the supporting cross bar through the multidirectional rotating piece;

the multidirectional rotating piece comprises a rotating rod, a large U-shaped piece and a small U-shaped piece;

the first end of the rotating rod is connected with the lampshade, and the second end of the rotating rod penetrates through two first connecting pieces which are parallel to each other in the large U-shaped piece and is rotatably connected with the first connecting pieces;

the opening of the small U-shaped piece is downwards arranged in the large U-shaped piece, and two parallel second connecting pieces in the small U-shaped piece are respectively positioned at two sides of the rotating rod;

the supporting cross rod is connected with the two second connecting pieces through a first fastener, so that the multidirectional rotating piece is connected with the supporting cross rod.

Optionally, two first connecting pieces parallel to each other are provided with first connecting holes matched with the rotating rod; the second end of the rotating rod sequentially penetrates through the two first connecting holes to be inserted into the large U-shaped sheet, and a limiting groove is formed in the second end; and the two second connecting pieces are respectively provided with a second connecting hole matched with the limiting groove, and the first fastener penetrates through the second connecting holes and the limiting groove to be connected with the supporting cross rod.

Optionally, the rotating rod has a ladder-shaped structure, and the outer diameter of the first end is larger than that of the second end.

Optionally, the lamp further comprises an arc-shaped third connecting plate, and the first end of the rotating rod is connected with the lamp shade through the third connecting plate.

Optionally, the support device further comprises a support vertical rod rotatably connected with the support cross rod, and a base connected with the bottom end of the support vertical rod and used for supporting the support vertical rod.

Optionally, the support vertical rod is connected with the base through a T-shaped support frame.

Optionally, a cylindrical barrel matched with the T-shaped support frame is arranged on the base, the T-shaped support frame is inserted into the cylindrical barrel, and the T-shaped support frame is connected with the cylindrical barrel through a second fastener; the T-shaped support frame comprises a vertical arm and a horizontal arm which are vertically connected with each other; the supporting vertical rod comprises a straight rod, a first special-shaped rod and a second special-shaped rod; the bottom end of the straight rod is connected with the vertical arm; the bottom end of the first special-shaped rod and the bottom end of the second special-shaped rod are connected with the horizontal arm through a third fastener, and the first special-shaped rod and the second special-shaped rod are respectively located on two sides of the horizontal arm.

Optionally, a first limiting hole is formed in the T-shaped support frame, a fourth connecting hole is formed in the cylindrical barrel, and the second fastener connects the T-shaped support frame and the cylindrical barrel through the first limiting hole and the fourth connecting hole.

Optionally, the support rails comprise a first support rail and a second support rail; the folding table lamp further comprises a fourth connecting plate and a fifth connecting plate which are arranged in parallel; the first connecting end of the fourth connecting plate, the head end of the first supporting cross bar and the second connecting end of the fifth connecting plate are connected through a third fastener; the third connecting end of the fourth connecting plate, the top end of the straight rod and the fourth connecting end of the fifth connecting plate are connected through a fourth fastener; the fifth connecting end of the fourth connecting plate, the top end of the first special-shaped rod, the sixth connecting end of the fifth connecting plate and the top end of the second special-shaped rod are connected through a fourth fastener; the fourth fastener includes a second stud and a second toothed nut.

Optionally, the tail end of the first supporting cross bar is connected with a first connecting plate, and the tail end of the second supporting cross bar is connected with a second connecting plate; the tail end of the first connecting plate and the tail end of the second connecting plate are both provided with third connecting holes matched with the second connecting holes; the first fastener passes through the second connecting hole, the limiting groove and the third connecting hole to realize the connection of the multidirectional rotating piece and the supporting cross rod.

Compared with the prior art, the folding table lamp provided by the invention has the following advantages:

according to the folding table lamp, the multidirectional rotating piece is arranged between the lamp shade and the supporting cross rod, so that the lamp shade can rotate along the axial direction of the rotating rod and can also rotate along the vertical direction, the angle of the lamp shade can be adjusted along multiple directions, the illumination direction of the folding table lamp can be adjusted along multiple angles, and the illumination range of the folding table lamp is expanded.

Drawings

FIG. 1 is a schematic view of a foldable desk lamp according to the present invention;

FIG. 2 is an exploded view of the multi-directional rotating member of the present invention;

FIG. 3 is a schematic view of a tooth nut according to the present invention;

FIG. 4 is a simplified illustration of the assembly of the vertical support post and base of the present invention;

FIG. 5 is a schematic view of a T-shaped support according to the present invention;

fig. 6 is a schematic structural diagram of a fourth connecting plate and a fifth connecting plate according to the present invention.

Description of reference numerals:

1-a lampshade; 2-a support rail; 21-a first support rail; 211-a first connection plate; 22-a second support rail; 221-a second connecting plate; 3-a multi-directional rotating member; 31-rotating rods; 311-limiting groove; 312-a first end; 313-a second end; 32-large U-shaped pieces; 321-a first connecting piece; 322-a first connection hole; 33-small U-shaped pieces; 331-a second connecting piece; 332-second connection hole; 34-a first toothed nut; 4-a third connecting plate; 5-supporting the vertical rod; 51-straight rod; 52-a first profiled bar; 53-a second profiled bar; 6-a base; 61-a cylindrical drum; 62-a second fastener; 63-a support plate; 7-T shaped support frame; 71-a vertical arm; 72-horizontal arm; 73-a first limit hole; 74-a separation sleeve; 8-a fourth connecting plate; 81-a first connection end; 82-a third connection end; 83-fifth connection end; 9-a fifth connecting plate; 91-a second connection end; 92-a fourth connection end; 93-sixth connection end; 94-a second toothed nut; 100-switch.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "circumferential," "radial," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of simplifying the description, and are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.

Furthermore, the terms "first" and "second" are used merely to simplify the description and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the first feature being "on" or "under" the first feature may comprise the first feature being in direct contact with the second feature or the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "below," and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or merely indicates that the first feature is at a lower level than the second feature.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In order to solve the problem that the illumination range of the desk lamp is limited because the lampshade of the current desk lamp can only rotate in a certain angle range along a single direction, the invention provides a folding desk lamp, which is shown in figure 1 and comprises a lampshade 1, a supporting cross rod 2 and a multi-direction rotating piece 3; wherein, the lampshade 1 is internally provided with luminous bodies such as bulbs and the like, and the luminous bodies are used for lighting; therefore, when the installation angle of the lampshade 1 is different, the illumination range of the desk lamp is different; the supporting cross rods 2 are used for supporting the lampshade 1, so that the angle of the lampshade 1 can be adjusted conveniently, and the illumination range of the desk lamp can be adjusted, and in the application, the lampshade 1 is connected with the supporting cross rods 2 through the multidirectional rotating piece 3; this multidirectional rotation piece 3 can be adjusted along a plurality of angles to drive lamp shade 1 and adjust along a plurality of angles.

Referring to fig. 2, the multi-directional rotating member 3 of the present invention includes a rotating lever 31, a large U-shaped piece 32, and a small U-shaped piece 33; one end of the rotating rod 31 is connected with the lampshade 1; for convenience of description, the present application refers to one end of the rotating rod 31 connected to the lamp housing 1 as a first end 312, and the other end as a second end 313; that is, the first end 312 of the rotating rod 31 is connected to the lamp housing 1; the large U-shaped piece 32 comprises a bottom surface structure and two first connecting pieces 321 which are fixedly connected with the bottom surface structure and are respectively arranged at two sides of the bottom surface structure, and the two first connecting pieces 321 are parallel to each other and form a U-shaped structure together with the bottom surface structure; the second end 313 of the rotating rod 31 passes through two first connecting pieces 321 which are parallel to each other in the large U-shaped piece 32 and is connected with the large U-shaped piece 32 in a rotating manner, namely, the rotating rod 31 can rotate along the axis of the rotating rod in the large U-shaped piece 32, and the rotating rod 31 can drive the lampshade 1 to rotate when rotating, so that the angle of the lampshade 1 can be adjusted.

The small U-shaped piece 33 is similar in shape to the large U-shaped piece 32, but smaller in size than the large U-shaped piece 32; the small U-shaped piece 33 also includes a bottom structure, and two second connecting pieces 331 fixedly connected to the bottom structure and respectively disposed on two sides of the bottom structure, wherein the two second connecting pieces 331 are parallel to each other and form a U-shaped structure together with the bottom structure.

The small U-shaped piece 33 is arranged in the large U-shaped piece 32 with the opening facing downwards, so that the second connecting piece 331 is perpendicular to the first connecting piece 321, and two parallel second connecting pieces 331 in the small U-shaped piece 33 are respectively positioned at two sides of the rotating rod 31; and then the support cross bar 2 is connected with the two second connecting sheets 331 through the first fastening piece, so that the connection of the multidirectional rotating piece 3 and the support cross bar 2 is realized.

Because the supporting cross bar 2 is connected with the two connecting pieces 331 through the first fastening piece, when upward or downward force is applied to the lampshade 1, the lampshade 1 can drive the rotating rod 31, the large U-shaped piece 32 and the small U-shaped piece 33 to rotate around the first fastening piece, so that the angle of the lampshade 1 can be adjusted.

In order to facilitate the tightening of the first fastening member, the first fastening member preferably includes a first stud and two first toothed nuts 34 adapted to the first stud, as shown in fig. 3, the difficulty of tightening the nuts is reduced by the toothed structure of the first toothed nuts 34; the first tooth-shaped nut 34 can be made of metal or plastic; in order to reduce the weight of the foldable desk lamp and reduce the production cost, the first toothed nut 34 is preferably made of plastic.

According to the folding table lamp provided by the invention, the multidirectional rotating piece 3 is arranged between the lampshade 1 and the supporting cross rod 2, so that the lampshade 1 can rotate along the axial direction of the rotating rod 31 and can also rotate along the vertical direction, the angle of the lampshade 1 can be adjusted along multiple directions, the illumination direction of the folding table lamp can be adjusted along multiple angles, and the illumination range of the folding table lamp is expanded.

In order to facilitate the installation of the multi-directional rotating member 3, in the present application, the two first connecting pieces 321 parallel to each other are provided with first connecting holes 322 adapted to the rotating rod 31; the second end 313 of the rotating rod 31 sequentially passes through the two first connecting holes 322 to be inserted into the large U-shaped piece 32, and the second end 313 is provided with a limiting groove 311; the two second connecting pieces 331 are respectively provided with a second connecting hole 332 matched with the limiting groove 311, and the first fastening piece passes through the second connecting holes 332 and the limiting groove 311 to be connected with the supporting cross bar 2.

Specifically, the limiting groove 311 is an annular structure disposed at the second end 313 of the rotating rod 31; the position of the limiting groove 311 is determined according to the position of the first connecting hole 322, and the size of the limiting groove 311 is determined according to the size of the first stud bolt, so that when the multi-directional rotating member 3 is installed, the first stud bolt firstly passes through one second connecting hole 332, then passes through the limiting groove 311, and finally passes through the other second connecting hole 332, and the installation of the multi-directional rotating member 3 is completed.

Because first stud passes through from spacing groove 311, after first stud was screwed through first profile of tooth nut 31, first stud inlays in spacing groove 311 to carry out spacingly through this first stud to dwang 31, avoid dwang 31 to remove along its self axis direction, and then improve the stability of folding desk lamp structure.

In order to further improve the stability of the folding table lamp structure, it is preferable that the rotating rod 31 has a ladder-like structure, and the outer diameter of the first end 312 is larger than that of the second end 313.

On one hand, the outer diameter of the first end 312 is larger, which is beneficial to increase the connection area between the rotating rod 31 and the lampshade 1, thereby increasing the connection strength between the multidirectional rotating member 3 and the lampshade 1; on the other hand, a step-shaped structure is formed between the first end 312 and the second end 313 with different outer diameters, and when the rotating rod 31 is connected with the large U-shaped piece 32, the large U-shaped piece 32 is abutted to the step-shaped structure, so that the rotating rod 31 is limited, the rotating rod 31 is prevented from moving along the axis direction of the rotating rod, the rotating rod 31 is positioned through the step-shaped structure during installation, the installation difficulty is reduced, and the installation accuracy and the installation efficiency are improved.

For further improving the joint strength between multidirectional rotation piece 3 and the lamp shade 1, the folding desk lamp that this application provided still includes the third connecting plate 4 of arcuation, and the first end 312 of dwang 31 links to each other with lamp shade 1 through third connecting plate 4.

Specifically, the structure of the third connecting plate 4 depends on the structure of the lampshade 1; in the application, for example, the shape of the lampshade 1 is a cylindrical structure, the third connecting plate 4 is an arc-shaped structure, and the radian of the arc-shaped structure is determined according to the radian of the lampshade 1; the shape of the third connecting plate 4 may be any geometric shape such as a circle, an ellipse, etc., and the third connecting plate 4 is preferably diamond-shaped in the present application.

This third connecting plate 4 of this application preferred welds mutually with the first end 312 of dwang 31, laminates third connecting plate 4 and lamp shade 1's outer wall mutually again, and it can to recycle the fastener and link to each other third connecting plate 4 and lamp shade 1.

Through setting up third connecting plate 4, help improving the joint strength between dwang 31 and lamp shade 1 on the one hand, on the other hand, still make the connected mode between dwang 31 and the lamp shade 1 not receive the influence of material, because dwang 31 directly links to each other with third connecting plate 4 promptly, therefore, no matter what kind of material is chooseed for use by lamp shade 1, also no matter what kind of material is adopted by dwang 31 and third connecting plate 4, all can link to each other third connecting plate 4 and lamp shade 1 through the fastener, thereby realize dwang 31 and lamp shade 1's being connected.

For use, the folding desk lamp that this application provided still includes and rotates the support montant 5 of being connected with support horizontal pole 2 to and link to each other with the bottom that supports montant 5, and the base 6 that supports is carried out support montant 5.

The support of the lampshade 1 is realized through the base 6 and the support vertical rods 5 and the support cross rods 2 which are sequentially connected with the base 6, and the application range and the application place of the folding desk lamp can be enlarged; wherein support horizontal pole 2 and support montant 5 and rotate and be connected, still be favorable to supporting horizontal pole 2 through rotating and come to adjust the angle of lamp shade 1, and then adjust the illumination scope and the illumination angle of folding desk lamp, enlarge the application range of folding desk lamp.

The connection mode between the supporting vertical rod 5 and the base 6 can be welding, connection through a fastener and the like, and the supporting vertical rod 5 is preferably connected with the base 6 through a T-shaped supporting frame 7.

Specifically, the base 6 is preferably made of plastic, and the base 6 is preferably obtained by injection molding of plastic; in order to be connected with the T-shaped support frame 7 conveniently, the base 6 is provided with the cylindrical barrel 61 matched with the T-shaped support frame 7, and the cylindrical barrel 61 is preferably of an integrally formed structure, so that the structural strength of the cylindrical barrel 61 is improved, the production difficulty is reduced, and the production efficiency is improved; and further, four supporting plates 63 with a triangular structure are uniformly distributed on the outer side of the cylindrical barrel 61, so that the mechanical strength and the structural stability of the cylindrical barrel 61 are improved.

When the T-shaped support frame 7 is installed, referring to fig. 4, the T-shaped support frame 7 is inserted into the cylindrical barrel 61, and the T-shaped support frame 7 is connected with the cylindrical barrel 61 through the second fastening member 62; referring to fig. 5, the T-shaped support 7 of the present application comprises a vertical arm 71 and a horizontal arm 72 which are vertically connected to each other; the supporting vertical rod 5 comprises a straight rod 51, a first special-shaped rod 52 and a second special-shaped rod 53; the bottom end of the straight rod 51 is connected with the vertical arm 71; the bottom end of the first shaped bar 52 and the bottom end of the second shaped bar 53 are connected to the horizontal arm 72 by a third fastener, and the first shaped bar 52 and the second shaped bar 53 are respectively located at two sides of the horizontal arm 72.

Wherein, the vertical arm 71 and the horizontal arm 72 can be only a plate-shaped structure, and in order to increase the connection strength, the vertical arm 71 and the horizontal arm 72 preferably comprise two parallel plates which are oppositely arranged; in order to improve the stability of the structure of the folding desk lamp while adjusting the illumination angle of the folding desk lamp, the support vertical rods 5 preferably comprise three vertical rods, specifically, the straight rod 51 is a rod-shaped structure distributed along the vertical direction, the straight rod 51 is of a hollow structure, the interior of the straight rod 51 can be used for arranging electric wires of the folding desk lamp, and a luminous body in the lampshade 1 is electrically connected with the switch 100 through the electric wires; the cross section of the straight rod 51 can be any geometric shape, and for convenience of installation, the cross section of the straight rod 51 is preferably square; first dysmorphism pole 52 and second dysmorphism pole 53 all distribute along vertical direction, and first dysmorphism pole 52 and second dysmorphism pole 53 all can be the same shaft-like structure with straight pole 51 shape, this application for the stability that improves folding desk lamp structure, first dysmorphism pole 52 and second dysmorphism pole 53 all have a structure of buckling, and the direction of buckling of first dysmorphism pole 52 and second dysmorphism pole 53 is different, install first dysmorphism pole 52 and second dysmorphism pole 53 back, make the distance at first dysmorphism pole 52 and second dysmorphism pole 53 top be less than the distance at both bottom ends to mention the stability of bearing structure.

The first and second profile bars 52, 53 may be of a solid or hollow structure; in the present application, it is preferable that the first and second profile bars 52, 53 have a hollow structure, and the first and second profile bars 52, 53 have a square cross section.

Further, because the bottom of straight-bar 51 links to each other with vertical arm 71, the bottom of first dysmorphism pole 52 and the bottom of second dysmorphism pole 53 link to each other with horizontal arm 72 through the third fastener, and vertical arm 71 is mutually perpendicular with horizontal arm 72, thereby make to support montant 5 and the continuous back of T shape support frame 7, it forms straight-bar 51 and is located the middle part rear to support montant 5, the bottom of first dysmorphism pole 52 and second dysmorphism pole 53 all are located straight-bar 51 the place ahead, and the bottom of first dysmorphism pole 52 and the structure that second dysmorphism pole 53 is located straight-bar 51 both sides respectively, make three support montants be the triangle-shaped structure and support, improve folding desk lamp structure's stability.

Further, in order to ensure that the distance between the top ends of the first special-shaped rod 52 and the second special-shaped rod 53 is smaller than the distance between the bottom ends of the first special-shaped rod and the second special-shaped rod, when the vertical support rod 5 is connected with the T-shaped support frame 7, a separation sleeve 74 is respectively arranged between the first special-shaped rod 52 and the horizontal arm 72, between two parallel plates of the horizontal arm 72, and between the horizontal arm 72 and the second special-shaped rod 53, so that the first special-shaped rod 52 and the second special-shaped rod 53 are limited through the separation sleeve 74, and the structural stability is improved; specifically, the three partition sleeves 74 and the third fastening member can be used to limit the positions of the first and second special-shaped

bars

52 and 53 together by sleeving the partition sleeves 74 on the corresponding positions of the third fastening member.

For further increase the turned angle of lamp shade 1, be provided with first spacing hole 73 on the T shape support frame 7 in this application, be provided with the fourth connecting hole on the cylinder section of thick bamboo 61, second fastener 62 is connected with cylinder section of thick bamboo 61 through first spacing hole 73 and fourth connecting hole pair T shape support frame 7.

The first limiting hole 73 is a strip-shaped through hole transversely distributed along the outer wall of the T-shaped support frame 7; the length of the first limiting hole 73 determines the adjusting range of the lampshade 1, and the length can be determined according to requirements; after being connected T shape support frame 7 and a cylinder section of thick bamboo 61 through second fastener 62, because first fastener 62 is located long banding first spacing hole 73, like this, rotate T shape support frame 7, can make first fastener 62 remove in first spacing hole 73 within range, thereby make T shape support frame 7 drive connect in the support montant 5 of its top, support horizontal pole 2 and lamp shade 1 rotate at the interior horizontal direction of the scope of first spacing hole 73 injectd, the realization is to the regulation of lamp shade 1 angle, expand the illumination scope of folding desk lamp.

In order to realize the rotatable connection between the support cross bar 2 and the support vertical bar 5, the support cross bar 2 in the present application comprises a first support cross bar 21 and a second support cross bar 22; referring to fig. 1 and 6, the foldable table lamp further includes a fourth connecting plate 8 and a fifth connecting plate 9 which are arranged in parallel; the supporting cross rod 2 is connected with the supporting vertical rod 5 through a fourth connecting plate 8 and a fifth connecting plate 9; the first connecting end 81 of the fourth connecting plate 8, the head end of the first supporting cross bar 21 and the second connecting end 91 of the fifth connecting plate 9 are connected through a third fastener; the third connecting end 82 of the fourth connecting plate 8, the top end of the straight rod 51 and the fourth connecting end 92 of the fifth connecting plate 9 are connected through a fourth fastener; the fifth connecting end 83 of the fourth connecting plate 8, the top end of the first profile rod 52, the sixth connecting end 93 of the fifth connecting plate 9 and the top end of the second profile rod 53 are connected by a fifth fastener; the fifth fastener includes a second stud and a second toothed nut 94. The third fastener and the fourth fastener can be bolts, screws and the like, and can also be pin shafts, so that the supporting cross rod 2 and the supporting vertical rod 5 can rotate relatively; because support and be provided with fourth connecting plate 8 and fifth connecting plate 9 between horizontal pole 2 and the support montant 5 to make each support the horizontal pole and each support equal interval between the montant and set up, thereby can realize supporting horizontal pole 2 and support the folding of montant 5.

The first supporting cross bar 21 and the second supporting cross bar 22 are of the same structure, preferably, the first supporting cross bar 21 and the second supporting cross bar 22 are of hollow structures, and the cross sections of the first supporting cross bar 21 and the second supporting cross bar 22 are square; and it is further preferable that the inside of the first support rail 21 is used for arranging the electric wires of the folding table lamp.

The shapes of the fourth connecting plate 8 and the fifth connecting plate 9 can be any geometric shapes, connecting lines among the first connecting end 81, the third connecting end 82 and the fifth connecting end 83 on the fourth connecting plate 8, and connecting lines among the second connecting end 91, the fourth connecting end 92 and the sixth connecting end 93 on the fifth connecting plate 9 are all triangular; therefore, in the present application, it is preferable that the fourth connecting plate 8 and the fifth connecting plate 9 have a triangular shape, or the fourth connecting plate 8 and the fifth connecting plate 9 have a V-shaped shape.

By arranging the fourth connecting plate 8 and the fifth connecting plate 9, the first supporting cross rod 21, the first special-shaped rod 52 and the straight rod 51 are connected through the fourth connecting plate 8, the second supporting cross rod 22, the second special-shaped rod 53 and the straight rod 51 are connected through the fifth connecting plate 9, and the connecting points are in triangular structures, so that the connecting stability is improved; meanwhile, the fourth connecting plate 8, the first special-shaped rod 52, the fifth connecting plate 9 and the second special-shaped rod 53 are further connected through a fourth fastener, so that the supporting cross rod 2 and the supporting vertical rod 5 can rotate, the angle of the lampshade 1 can be adjusted by rotating the supporting cross rod 2, the rotating range of the lampshade 1 in the folding desk lamp is further expanded, and the illumination range of the folding desk lamp is further expanded; meanwhile, the folding of the supporting transverse rod 2 and the supporting vertical rod 5 can be realized, so that the size of the folded desk lamp is small, and the storage space is saved.

This application passes through fourth connecting plate 8 and fifth connecting plate 9, forms four-bar linkage with supporting horizontal pole 2 on the one hand, and on the other hand forms four-bar linkage with supporting montant 5 again for the adjusting position and the angle regulation of folding desk lamp are more free, and the structure is also more stable.

To facilitate tightening, the fourth fastener preferably includes a second stud and a second toothed nut 94, and the tightening difficulty is reduced by the toothed structure of the second toothed nut 94.

In addition, in order to connect the supporting cross bar 2 with the multi-directional rotating member 3, in the present application, preferably, the end of the first supporting cross bar 21 is connected with the first connecting plate 211, the end of the second supporting cross bar 22 is connected with the second connecting plate 221, and the first supporting cross bar 21 and the first connecting plate 211, and the second supporting cross bar 22 and the second connecting plate 221 are connected by fasteners, so that the first supporting cross bar 21 and the first connecting plate 211, and the second supporting cross bar 22 and the second connecting plate 221 can rotate relatively; the tail end of the first connecting plate 211 and the tail end of the second connecting plate 221 are both provided with third connecting holes matched with the second connecting holes 332; the first fastening member passes through the second connecting hole 332, the limiting groove 311 and the third connecting hole to realize the connection of the multi-directional rotating member 3 and the support rail 2.

Through setting up first connecting plate 211 and second connecting plate 221, not only help reducing to multidirectional rotation piece 3 and the degree of difficulty of being connected of supporting horizontal pole 2, can make lamp shade 1 and support horizontal pole 2 can realize folding in addition to reduce the volume of folding desk lamp, save parking space.

According to the folding table lamp, the connecting rod mechanisms formed by the fourth connecting plate 8, the fifth connecting plate 9 and the supporting cross rod 2 and the connecting rod mechanisms formed by the fourth connecting plate 8, the fifth connecting plate 9 and the supporting vertical rod 5 are fully utilized, the T-shaped supporting frame 7 is additionally arranged to horizontally rotate, the lampshade 1 can vertically rotate and can rotate around the axis direction of the rotating rod 31, and the five groups of rotating rods are mutually connected to realize multidirectional linkage of the folding table lamp, so that when the folding table lamp is used, the lamp can freely, randomly and steplessly swing and adjust the direction and position of light, and the optimal lighting effect is obtained; and the lamp shade 1 and the supporting cross rod 2 as well as the supporting cross rod 2 and the supporting vertical rod 5 can be turned and folded, so that the volume of the folded desk lamp is smaller, and the storage space is saved.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims

1. A folding desk lamp is characterized by comprising a lampshade (1), a supporting cross bar (2) and a multi-directional rotating piece (3);

the lampshade (1) is connected with the supporting cross bar (2) through the multidirectional rotating piece (3);

the multidirectional rotating piece (3) comprises a rotating rod (31), a large U-shaped piece (32) and a small U-shaped piece (33);

the first end (312) of the rotating rod (31) is connected with the lampshade (1), and the second end (313) of the rotating rod penetrates through two first connecting pieces (321) which are parallel to each other in the large U-shaped piece (32) and is rotatably connected with the first connecting pieces (321);

the small U-shaped sheet (33) is arranged in the large U-shaped sheet (32) with an opening facing downwards, and two parallel second connecting sheets (331) in the small U-shaped sheet (33) are respectively positioned at two sides of the rotating rod (31);

the supporting cross rod (2) is connected with the two second connecting pieces (331) through first fasteners, so that the multidirectional rotating piece (3) is connected with the supporting cross rod (2).

2. The folding desk lamp of claim 1, wherein two first connecting pieces (321) parallel to each other are provided with first connecting holes (322) adapted to the rotating rod (31); the second end (313) of the rotating rod (31) sequentially penetrates through the two first connecting holes (322) to be inserted into the large U-shaped sheet (32), and a limiting groove (311) is formed in the second end (313); two second connecting sheets (331) are respectively provided with a second connecting hole (332) matched with the limiting groove (311), and the first fastening piece penetrates through the second connecting holes (332), the limiting groove (311) and the supporting cross rod (2) to be connected.

3. The folding table lamp of claim 1, wherein said rotating rod (31) has a ladder-like structure, and an outer diameter of said first end (312) is larger than an outer diameter of said second end (313).

4. The folding desk lamp according to claim 1, further comprising an arc-shaped third connecting plate (4), wherein the first end (312) of the rotating rod (31) is connected to the lampshade (1) through the third connecting plate (4).

5. The folding desk lamp according to any one of claims 2 to 4, further comprising a vertical support rod (5) rotatably connected to the support cross rod (2), and a base (6) connected to the bottom end of the vertical support rod (5) and supporting the vertical support rod (5).

6. The folding desk lamp of claim 5, characterized in that the vertical support bar (5) is connected to the base (6) by a T-shaped support frame (7).

7. The folding table lamp according to claim 6, characterized in that a cylindrical barrel (61) matched with the T-shaped support frame (7) is arranged on the base (6), the T-shaped support frame (7) is inserted into the cylindrical barrel (61), and the T-shaped support frame (7) is connected with the cylindrical barrel (61) through a second fastener (62); the T-shaped support frame (7) comprises a vertical arm (71) and a horizontal arm (72) which are vertically connected with each other; the supporting vertical rod (5) comprises a straight rod (51), a first special-shaped rod (52) and a second special-shaped rod (53); the bottom end of the straight rod (51) is connected with the vertical arm (71); the bottom end of the first special-shaped rod (52) and the bottom end of the second special-shaped rod (53) are connected with the horizontal arm (72) through a third fastener, and the first special-shaped rod (52) and the second special-shaped rod (53) are respectively positioned on two sides of the horizontal arm (72).

8. The folding table lamp as claimed in claim 7, wherein the T-shaped supporting frame (7) is provided with a first limiting hole (73), the cylindrical tube (61) is provided with a fourth connecting hole, and the second fastening member (62) connects the T-shaped supporting frame (7) and the cylindrical tube (61) through the first limiting hole (73) and the fourth connecting hole.

9. The folding table lamp of claim 5, characterized in that said support bar (2) comprises a first support bar (21) and a second support bar (22); the folding table lamp also comprises a fourth connecting plate (8) and a fifth connecting plate (9) which are arranged in parallel; the first connecting end (81) of the fourth connecting plate (8), the head end of the first supporting cross rod (21) and the second connecting end (91) of the fifth connecting plate (9) are connected through a third fastener; the third connecting end (82) of the fourth connecting plate (8), the top end of the straight rod (51) and the fourth connecting end (92) of the fifth connecting plate (9) are connected through a fourth fastener; the fifth connecting end (83) of the fourth connecting plate (8), the top end of the first special-shaped rod (52), the sixth connecting end (93) of the fifth connecting plate (9) and the top end of the second special-shaped rod (53) are connected through a fourth fastener; the fourth fastener includes a second stud and a second toothed nut (94).

10. The folding table lamp of claim 9, wherein a first connecting plate (211) is connected to the end of the first supporting cross bar (21), and a second connecting plate (221) is connected to the end of the second supporting cross bar (22); the tail end of the first connecting plate (211) and the tail end of the second connecting plate (221) are provided with third connecting holes matched with the second connecting holes (332); the first fastener penetrates through the second connecting hole (332), the limiting groove (311) and the third connecting hole to realize the connection of the multidirectional rotating piece (3) and the supporting cross rod (2).