CN201715462U

CN201715462U - Desk lamp pivoting structure

Info

Publication number: CN201715462U
Application number: CN2010202639483U
Authority: CN
Inventors: 黄火土
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-14
Filing date: 2010-07-14
Publication date: 2011-01-19
Anticipated expiration: 2020-07-14

Abstract

The utility model relates to a desk lamp pivoting structure which is equipped with a first pivoting body and a second pivoting body which are connected to other desk lamp parts such as a base, a lamp arm or a lamp-chimney etc., and a pair of pivots are penetrated through between the first pivoting ear and the second pivoting ear of the first and the second pivoting bodies; wherein, the pivoting ear is provided with a polygonal inserting and fixing hole, the second pivoting ear is provided with a shaft hole, a pivoting shaft is provided with a positioning section which is sleeved with the inserting and fixing hole to prevent the pivot shaft and the first pivoting ear being relatively rotate; additionally, the pivoting shaft is provided with a rotating shaft section for inserting into the shaft hole of the second pivoting ear, the rotating shaft is provide with at least one friction fit part to play a role in the rotating and positioning of the second pivoting ear. Therefore, the desk lamp pivoting structure is easy to operate and is relatively stable and reliable.

Description

The desk lamp pivot structure

Technical field

The utility model relates to a kind of pivot structure that is applied to desk lamp, and is particularly a kind of easy to operate, and relatively more firm, reliable desk lamp pivot structure.

Background technology

General indoor lighting is that to be dependent on the light fixture that is arranged on the ceiling be main mostly, but increase along with the ornaments article, have the zone that light is more weak or light is blocked unavoidably, and be subject to the design of relevant moving-wire, desk or desk must be located at the more weak corner location of light; Therefore, be to avoid to read the discomfort that is caused in the more weak place of indoor light, how can be further on desk or desk, placing desk lamp, for reading or using when carrying out paperwork.

At present in the streets common desk lamp is nothing more than being combined by parts such as base, arm and lampshades, and be provided with the pivot structure that quantity does not wait, supply to adjust between base and the arm or the angle between arm and the lampshade, and then allow lampshade be extended to preferable use location.

The pivot structure polyphyly that similar desk lamp is used always is respectively equipped with the pivot ear on two main bodys that are articulated, wear in addition and lock between the pivot ear that two main bodys overlap mutually by a bolt, utilize the locking effect of bolt, the pivot ear clip system of two main bodys is fixed, make desk lamp remain on adjusted attitude; And, under the state that bolt loosens, can be for the angle of adjusting these two main bodys, to change the attitude of desk lamp.

Yet, when reality is used, must utilize instrument rotating bolt smoothly, and must utilize instrument that bolt is screwed equally, therefore very inconvenience in the use; Moreover, though partly the pivot structure used always of desk lamp is that head end with bolt is designed to the turn-button shape, making things convenient for the free-hand rotating bolt of user, for users such as less child of strength or women, be difficult to really bolt be screwed, therefore reduce the reliability of pivot structure on the contrary.

Summary of the invention

In view of this, main purpose of the present utility model is promptly providing desk lamp a kind of easy to operate, and relatively more firm, reliable pivot structure.

For reaching above-mentioned purpose, desk lamp pivot structure of the present utility model includes: one first inverted impulse body, one second inverted impulse body, and at least one pivot; Wherein, first, second inverted impulse body is respectively in order to be connected with desk lamp parts such as base, arm or lampshades, this first inverted impulse body is provided with at least one first pivot ear, be provided with one intercalation firmly hole in each first pivot ear place, this second inverted impulse body is provided with at least one second pivot ear, is provided with an axis hole in each second pivot ear place; As for, this pivot is for being arranged between first, second pivot ear, it mainly is provided with a location section in order to stretch into the intercalation firmly hole of the first pivot ear, and be provided with a rotating shaft section in order to stretch into the axis hole of the second pivot ear, in addition be provided with barb in order to the intercalation firmly hole that stretches out the first pivot ear relatively and constitute a button with the first pivot ear and hold effect, drop in case pivot gets loose in the pivot tail end.

Moreover the intercalation firmly hole of the first pivot ear is polygonal perforation, and the location section of this pivot is and this intercalation firmly hole polygon section structure of fit mutually, and mainly pivot is relative with first inverted impulse body rotates in order to restriction; In addition, the rotating shaft section of pivot is provided with at least one friction fit portion, and each friction fit portion is made of at least two salient points that protrude rotating shaft section surfaces relatively, and the friction fit portion external diameter that this at least two salient points surrounded is slightly larger than the axis hole aperture of this second pivot ear.

When pivot is arranged in first, second pivot ear when locating really, can be under the effect of its friction fit portion, make slightly strain of this second pivot ear, and then make the pivot and the second pivot ear form the rotation positioning action, allow first, second inverted impulse body remain on adjusted state.And, need only the free-hand angle that first, second inverted impulse body gets final product first, second inverted impulse body of rapid adjustment of pulling, make things convenient for the user that the desk lamp parts under first, second inverted impulse body are stretched or fold, obtain with this a kind of easy to operate, and relatively more firm, reliable desk lamp pivot structure.

Description of drawings

Fig. 1 is that desk lamp pivot structure of the present utility model uses the configuration reference diagram;

Fig. 2 is a desk lamp pivot structure stereogram of the present utility model;

Fig. 3 is a desk lamp pivot structure exploded view of the present utility model;

Fig. 4 is the location section section structure cutaway view of pivot in the utility model;

Fig. 5 is the rotating shaft section section structure cutaway view of pivot in the utility model;

Fig. 6 is the structure cutaway view of first, second pivot ear and pivot in the utility model.

Description of reference numerals: 10-desk lamp pivot structure; 11-first inverted impulse body; The 111-first pivot ear; The 112-intercalation firmly hole; 12-second inverted impulse body; The 121-second pivot ear; The 122-axis hole; The 13-pivot; 131-locatees section; 132-rotating shaft section; The 133-barb; The 134-groove; 135-friction fit portion; The 136-salient point; 20-desk lamp parts.

The specific embodiment

Following foundation technological means of the present utility model lists the mode that is suitable for the utility model enforcement, and conjunction with figs. explanation as back:

As shown in Figure 1 to Figure 3, desk lamp pivot structure 10 of the present utility model includes: one first inverted impulse body 11, one second inverted impulse body 12, and at least one pivot 13; Wherein:

This first inverted impulse body 11 can be in order to be connected with desk lamp parts 20 such as base, arm or lampshades, or with desk lamp parts 20 one machine-shapings such as base, arm or lampshade, this first inverted impulse body 11 is provided with at least one first pivot ear 111, be provided with one intercalation firmly hole 112 in each the first pivot ear, 111 place, this intercalation firmly hole 112 is the perforation of rectangle, square or other polygon etc.

This second inverted impulse body 12 can be in order to be connected with desk lamp parts 20 such as base, arm or lampshades, or with desk lamp parts 20 one machine-shapings such as base, arm or lampshade, this second inverted impulse body 12 is provided with at least one second pivot ear 121, be provided with an axis hole 122 in each the second pivot ear, 121 place, and this second pivot ear 121 by the plastic cement material with strong a piece of wood serving as a brake to halt a carriage characteristic made become good.

This at least one pivot 13 for be arranged in this first, second inverted

impulse body

11,12 comprised first, the second pivot ear 111, between 121, each pivot 13 mainly is provided with a location section 131 in order to stretch into the intercalation firmly hole 112 of this first pivot ear 111, and be provided with a rotating shaft section 132 in order to stretch into the axis hole 122 of this second pivot ear 121, each pivot 13 is provided with barb 133 in order to stretch out the intercalation firmly hole 112 of this first pivot ear 111 relatively in its tail end in addition, each pivot 13 can improve and be provided with the groove 134 of a desired depth at its tail end end face, make the barb 133 of groove 134 both sides have an elastic shrinkage space, hold effect to make things convenient for barb 133 to constitute button with this first pivot ear 111, drop to prevent that pivot 13 from getting loose by intercalation firmly hole 112.

Please cooperate simultaneously with reference to Fig. 3 and shown in Figure 4, the location section 131 of each pivot 13 is and this intercalation firmly hole 112 polygon section structures such as ellipse, square or other polygon of fit mutually, mainly in order to restriction pivot 13 and the 11 relative rotations of first inverted impulse body; In addition, as Fig. 3 and shown in Figure 5, the rotating shaft section 132 of each pivot 13 is provided with at least one friction fit portion 135, each friction fit portion 135 is made of at least two salient points 136 that protrude rotating shaft section 132 surfaces relatively, and friction fit portion 135 external diameters that these at least two salient points 136 are surrounded are slightly larger than axis hole 122 apertures of this second pivot ear 121.

Please cooperate simultaneously with reference to Fig. 3 and shown in Figure 6, when this pivot 13 is arranged in first really, second inverted

impulse body

11,12 comprised first, the second pivot ear 111,121 to when location, can be under the effect of its friction fit portion 135, make slightly strain of this second pivot ear 121, and then make the pivot 13 and the second pivot ear 121 form the rotation positioning action, to allow first, second inverted

impulse body

11,12 remain on adjusted state, and as long as free-handly pull first, second inverted

impulse body

11,12 get final product rapid adjustment first, second inverted

impulse body

11,12 angle makes things convenient for the user with first, second inverted impulse body 11, desk lamp parts under in the of 12 stretch or fold to the location.Can obtain a kind of easy to operate, and relatively more firm, reliable desk lamp pivot structure.

Because, the frictional resistance that desk lamp pivot structure 10 of the present utility model utilizes the axis hole 122 of the friction fit portion 135 of each pivot 13 and the second pivot ear 121 to be produced, first, second inverted

impulse body

11,12 adjusted angles are fixed, and then made the desk lamp parts under first, second inverted

impulse body

11,12 remain on adjusted attitude; So, can be applied between lamp socket and the arm according to desk lamp pivot structure 10, be applied between arm and the arm, or the demand of different parts such as be applied between lampshade and the arm, and be provided with the friction fit portion 135 of predetermined quantity in the different axial positions of the rotating shaft section 132 of this pivot 13, and it is good that the salient point between the adjacent friction fit portion 135 136 adopts interconnected, make each desk lamp parts stretching, extension, fold more stable, reliable.

In sum, the utility model provides desk lamp one preferable feasible pivot structure, and the application of novel patent is offered in the whence in accordance with the law; Moreover, above implementation and graphic shown in, be the utility model preferred embodiment person, be not to limit to the utility model with this, be with, such as approximate with structure of the present utility model, device, feature etc. or identical mutually person all should belong to of the present utility model founding within purpose and the claim.

Claims

1. a desk lamp pivot structure is characterized in that, includes:

One first inverted impulse body is provided with at least one first pivot ear, is provided with one intercalation firmly hole in each first pivot ear place, and this intercalation firmly hole is polygonal perforation;

One second inverted impulse body is provided with at least one second pivot ear, is provided with an axis hole in each second pivot ear place;

At least one pivot, be arranged between the first pivot ear and the second pivot ear that this first inverted impulse body and second inverted impulse body comprised, each pivot is provided with a location section in order to stretch into the intercalation firmly hole of this first pivot ear, and being provided with a rotating shaft section in order to stretch into the axis hole of this second pivot ear, each pivot tail end is provided with barb and holds effect in order to the intercalation firmly hole and this first pivot ear formation one button that stretch out this first pivot ear relatively; And,

The location section of each pivot is and this intercalation firmly hole polygon section structure of fit mutually, the rotating shaft section of each pivot is provided with at least one friction fit portion, each friction fit portion is made of at least two salient points that relatively protrude rotating shaft section surfaces, by friction fit portion external diameter that this at least two salient points the surrounded axis hole aperture greater than this second pivot ear.

2. desk lamp pivot structure as claimed in claim 1 is characterized in that the tail end end face of each pivot is provided with the groove of a desired depth.

3. desk lamp pivot structure as claimed in claim 1 or 2 is characterized in that, respectively this second pivot ear is made by the plastic cement material with strong a piece of wood serving as a brake to halt a carriage characteristic.

4. desk lamp pivot structure as claimed in claim 1 or 2 is characterized in that, the rotating shaft section of this pivot is provided with the friction fit portion of predetermined quantity in its different axial positions.

5. desk lamp pivot structure as claimed in claim 1 or 2 is characterized in that, the rotating shaft section of this pivot is provided with the friction fit portion of predetermined quantity in its different axial positions, and the salient point between the adjacent friction fit portion is interconnected.

6. desk lamp pivot structure as claimed in claim 1 or 2 is characterized in that, the intercalation firmly hole of this first pivot ear is the rectangle perforation; The location section of each pivot is and this intercalation firmly hole retangular section structure of fit mutually.