CN2114750U - Connecting structure for base and support tube of desk lamp - Google Patents

Abstract

The utility model discloses a simple and reliable structure for connecting a support tube and a lamp holder of a desk lamp. One end of the support tube is processed into two or a plurality of tongue pieces. After the tongue pieces are inserted into corresponding non-circular holes on the top of the lamp holder, the tongue pieces are separated outward to fix the connection between the support tube and the lamp holder. The circumference of each non-circular hole of the lamp holder are processed into a circular concave pit for supporting the support tube in an auxiliary way, and the circumference of the non-circular hole of the lamp holder can also be processed into a second concave circular pit which is concentric to the fist circular concave pit to form a step, and the step is used for installing a flexible sleeve tube or a short support tube with a large diameter. A reinforcing plate is clamped between the outward separation part of each tongue piece of the support tube and the hole of the lamp holder to reinforce the connection between the support tube and the lamp holder, and the reinforcing plate can replace a conventional welding bracket.

Description

Connecting structure for base and support tube of desk lamp

The utility model relates to desk lamp or the lighting device of lamp socket, support column and lamp holder, the particularly syndeton of support column and lamp socket similarly is housed.

Common desk lamp or similar lighting device on the market, its metal support pipe is connected on the lamp socket with screw, nut.There are a lot of shortcomings in the support column of this routine and lamp socket syndeton in manufacturing and assembling process.At first, during support column end processing step, be difficult to produce appropriate tapering, it can just be coincide with hole, garden, lamp socket top.Next does not shake on lamp socket in order to guarantee support column, must add packing ring between hole, lamp socket garden and support column nut, for avoiding the loosening of nut, needs to adopt spring washer usually, and this can increase the desk lamp assembly fee and use and activity time.Another shortcoming in the conventional desk lamp manufacture process, the diameter that is hole, garden, lamp socket top must be with a diameter unanimity of holding of support column, be the support column diameter of making different types of desk lamp and selecting for use when variant, must be equipped with different machine tools, cause production cost to rise and store keeping on inconvenience etc.

The purpose of this utility model is to provide the support column and the lamp socket syndeton of a kind of improved desk lamp or similar lighting device, can overcome the above-mentioned various shortcoming in conventional desk lamp manufacturing, the assembling.

According to desk lamp provided by the utility model or the lighting device of lamp socket, support column and lamp holder similarly is housed, terminal processed two tongue pieces and the breach of its support column, be inserted in the shape hole, non-garden, lamp socket top, breach then abuts against on the lamp socket outer surface, again tongue piece is outwards separated, thereby support column can be fixedly connected on the lamp socket.Preferably the periphery with the shape hole, non-garden on the lamp socket is processed into downward garden shape pit, and its diameter and shape and support column end match, and makes support column can be placed within the pit of lamp socket hole periphery and obtain and supports.For both artistic and practical, can adorn a flexible sleeve on the desk lamp support column, for locating and hold the end of flexible sleeve, lamp socket top-portion apertures periphery can also process second big slightly pit of diameter and last pit constitutes step.

The utility model also provide a kind of simple and easy, assemble the desk lamp or the similar member of lighting device apace, promptly outwards separately clamp a stiffener between the surface of position and lamp socket at the support column tongue piece, this stiffener is processed into the shape that matches with lamp socket hole near zone, and between stiffener and the removable base plate of lamp socket, adorn a framework of gaining in weight, and be screwed so that regulate the position of reinforced sheet, screw screw, pull down stiffener and can further reinforce being connected of support column and lamp socket.

According to the utility model, it is different and constitute the concentric garden shape pit of step that shape hole, non-garden periphery processes two diameters at the lamp socket top, can lay the different support column of diameter, avoided the different support column of diameter must change the disadvantage of the top-portion apertures of lamp socket, thereby improved production efficiency, reduced production cost.In addition, for the rigidity of strengthening support column prevents that it from shaking on lamp socket, two support columns can also be sleeved on the lamp socket.Short external support pipe is placed in the big slightly pit of diameter, and the recessed dark slightly little pit of diameter is then laid internal support tube.

Describe desk lamp support column and lamp socket syndeton that the utility model provides with reference to the accompanying drawings in detail.

Fig. 1 is the syndeton of conventional desk lamp support column and lamp socket.

Fig. 2 a, 2b, 2c are the syndeton schematic diagrames of the utility model first embodiment.

Fig. 3 is the syndeton that the lamp socket pore area has pit among another embodiment of the utility model.

Fig. 4 illustrates the embodiment that stiffener is housed of the present utility model.

Fig. 5 be among Fig. 4 stiffener at the upward view of installation site.

Fig. 6 is the different support column schematic diagrames of two diameters of suit of the present utility model.

With reference to Fig. 1, conventional desk lamp support column 1 is to be tightened on the support column screw end with nut 3 to be fixed on the lamp socket, shakes for preventing support column 1, all is added with packing ring 4,5 on the upper and lower surface of lamp socket, and electric lead then passes the support column endoporus.There are many shortcomings (as previously described) in this syndeton in making, assembling.

For overcoming the various shortcoming of conventional syndeton shown in Figure 1, the utility model provides a kind of member shown in Figure 2 and syndeton.Support column 1 end leaves a breach 9 and forms two tongue pieces 7 and 8(shown in Fig. 2 a), lamp socket 2 tops have shape hole, a non-garden 10 can insert tongue piece 7,8, (shown in Fig. 2 b).Fig. 2 c then illustrates support column 1 tongue piece 7,8 insertion lamp sockets 2 top-portion apertures 10 and again tongue piece is outwards separated back (representing with 7a, 8a), and support column 1 is fixedly connected on the lamp socket 2.

The size of pit 11 and support column 1 external diameter coincide on the lamp socket 2 shown in Fig. 3, make support column 1 that additional support force be arranged, and can prevent its shaking on lamp socket 2.For further reinforcing being connected of support column 1 and lamp socket 2, prevent to become flexible, between position 7a, 8a that tongue piece outwards separates and lamp socket 2 holes 10, install a stiffener 13 additional, as shown in Figure 4.This stiffener 13 connects by the removable base plate 16 of screw 15 with lamp socket 2, screw 14 is arranged on stiffener 13 relevant positions and can be enclosed within hole 12 on the outer rim of the boss that the lamp socket pit protrudes downwards.Screw screw 15, can pull down stiffener 13, support column 1 and being connected further of lamp socket 2 are reinforced, thereby overcome the loosening of syndeton.For clarity sake, can be with reference to the upward view 5 of stiffener on the installation site.

For the rigidity of strengthening support column can not shaken it on lamp socket, two support columns 1 and 21 can be sleeved on the pit 11 and the 20 interior (see figure 6)s of two the formation steps in lamp socket 2 tops, the external diameter of support column 1 should be complementary with the internal diameter of support column 21, and the external diameter of support column 1 and 21 also should be respectively matches with the diameter of pit 11 and 20.The tongue piece of two support columns 1,21 outwards is separated into 7a, 8a, 27a, 28a are fixed and are connected on the lamp socket 2.Support column 21 is shorter slightly than support column 1, its role is to further support that support column 1 prevents to shake or loosening.

In sum, those of ordinary skill is not difficult to find, the desk lamp support column that the utility model provides and the syndeton of lamp socket no matter in manufacturing, assembling process, or on the material, component management, all have obvious advantage.

Claims (4)

1, a kind of structure that connects the support column and the lamp socket of desk lamp or similar lighting device is characterized in that:

Support column one end has two tongue pieces and breach;

One non-circular hole is arranged at the lamp socket top, and this hole shape can only insert described support column tongue piece, and described breach then abuts against on the holder surface, and the described support column tongue piece that inserts in the non-circular hole of lamp socket top outwards separately makes support column fixedly connected with lamp socket.

2, syndeton described in the claim 1, the hole periphery on the wherein said lamp socket is a circular pit, in order to support described support column.

3, syndeton described in the claim 1, the hole periphery on the wherein said lamp socket have two internal diameters not wait and constitute the circular concentric pit of step, in order to the support column that supports different-diameter or in order to support a support column and sleeve pipe thereof.

4, folder one stiffener between the position that syndeton described in the claim 2 or 3, the hole on the wherein said lamp socket and described support column tongue piece are outwards separated, when this stiffener when drop-down, can further reinforce being connected of support column and lamp socket.

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