CN219953942U - Rotating shaft and desk lamp - Google Patents

Abstract

The utility model relates to the technical field of illumination and discloses a rotating shaft and a table lamp, comprising a first rotating shaft mechanism, wherein the first rotating shaft mechanism comprises a first rotating structure for realizing the rotation of the rotating shaft and a first friction structure for providing a rotating shaft holding force; the wire guide device comprises a fixed bracket, wherein a first wire slot for accommodating a wire is formed in the fixed bracket; the rotary support is provided with a second wire slot for accommodating the wire, and is connected with the fixed support through the first rotating shaft mechanism; the wire conduit is connected to the fixed support and the rotating support, and the wire conduit is communicated with the first wire slot and the second wire slot. This pivot through set up the conduit that the guide was walked between fixed bolster and runing rest, and the wire rod can pass first wire casing, conduit and second wire casing, has avoided the problem that the frictional force that first pivot mechanism provided reduces, has the advantage of guaranteeing the desk lamp and walked the line when reducing the pivot volume.

Description

Rotating shaft and desk lamp

Technical Field

The utility model relates to the technical field of illumination, in particular to a rotating shaft and a table lamp.

Background

In the prior art, the multi-rotating-shaft table lamp has been favored by the majority of users by virtue of the adjustable illumination direction. In the design of the present desk lamp, because the requirement of the irradiation range of the user on the desk lamp is larger and larger, the user often selects the desk lamp with a long lamp arm, however, the desk lamp with the long lamp arm has larger dead weight, which puts higher requirement on the rotating shaft.

The torsion holding force of the rotating shaft is derived from the friction force in the rotating shaft structure, the magnitude of the friction force is closely related to the friction area, but the existing internal wiring design can cause the loss of the friction area, and the direct increase of the friction area can lead to the large overall size of the rotating shaft, which is contrary to the current concise industrial design concept.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the rotating shaft and the desk lamp, which have the advantages of reducing the volume of the rotating shaft and ensuring the wiring of the desk lamp, and overcome the problems in the related art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a rotary shaft, comprising:

a first spindle mechanism including a first rotating structure that enables rotation of the spindle and a first friction structure that provides a spindle holding force;

the wire guide device comprises a fixed bracket, wherein a first wire slot for accommodating a wire is formed in the fixed bracket;

the rotary support is provided with a second wire slot for accommodating the wire, and is connected with the fixed support through the first rotating shaft mechanism;

the wire conduit is connected to the fixed support and the rotating support, and the wire conduit is communicated with the first wire slot and the second wire slot.

Preferably, the first rotating structure includes a first spindle, and the first friction structure includes a first locking member and a first washer;

the first main shaft runs through the fixed bolster with the runing rest, the runing rest passes through the first main shaft with the fixed bolster rotates to be connected, first gasket cup joint in first main shaft, first retaining member fixed set up in on the first main shaft, first retaining member butt in first gasket, first gasket butt in the fixed bolster or the runing rest.

Preferably, the first friction structure further includes:

the first friction plate is abutted with the fixed support, a first connecting block is arranged on one side, close to the fixed support, of the first friction plate, and a first connecting hole in plug-in fit with the first connecting block is formed in the fixed support;

the second friction plate is abutted with the rotating bracket, a second connecting block is arranged on one side, close to the rotating bracket, of the second friction plate, and a second connecting hole in plug-in fit with the second connecting block is formed in the rotating bracket;

the first friction plate and the second friction plate are both sleeved on the first main shaft, and the first friction plate is abutted with the second friction plate.

Preferably, the rotary support further comprises a third friction plate, the third friction plate is sleeved on the first main shaft and is in butt joint with the rotary support, the third friction plate and the second friction plate are symmetrically arranged, a third connecting block is arranged on one side, close to the rotary support, of the third friction plate, and a third connecting hole matched with the third connecting block is formed in the rotary support.

Preferably, the first main shaft is in plug-in fit with the fixed support, the rotating support is movably sleeved on the first main shaft, the first main shaft is in plug-in fit with the first gasket, and the first gasket is in butt joint with the third friction plate.

Preferably, the rotating bracket includes:

a second rotation shaft mechanism including a second rotation structure that enables rotation of the rotation bracket and a second friction structure that provides a rotation bracket holding force;

the rotating frame is connected with the fixed bracket through the first rotating shaft mechanism;

the mounting bracket, the mounting bracket is through second pivot mechanism with the swivel mount is connected.

Preferably, the second rotating structure comprises a second main shaft and a rotating member, and the second friction structure comprises a second locking member and a second gasket;

the second main shaft is fixedly connected with the rotating frame, the rotating piece is sleeved on the second main shaft, the second locking piece is fixedly sleeved on the second main shaft, and the second gasket is abutted to the rotating piece and the second locking piece;

the mounting frame is fixedly sleeved on the rotating piece.

Preferably, the rotary support further comprises a limiting piece, wherein a limiting groove is formed in the fixing support, the limiting groove is accommodated in the limiting groove, and the limiting piece is fixedly connected with the rotary support.

Preferably, the device further comprises a connecting sleeve, wherein a buckle is arranged on the connecting sleeve, a buckle position is arranged on the fixing support, and the connecting sleeve is in clamping connection with the fixing support.

The utility model also provides a desk lamp comprising the rotating shaft.

The utility model provides a rotating shaft and a table lamp, which have the following beneficial effects:

this pivot is through setting up first pivot mechanism for connect fixed bolster and runing rest on first pivot mechanism can all rotate through first pivot mechanism, and through having seted up first wire casing on the fixed bolster, set up the second wire casing on the runing rest, and set up the conduit that the guide was walked between fixed bolster and runing rest, the wire rod can pass first wire casing, conduit and second wire casing, thereby realize the wiring of desk lamp, so avoided offering in addition on fixed bolster and runing rest and walk the line space and lead to the problem that frictional force that first pivot mechanism provided reduces, that is to say that the inside of this lamps and lanterns walks the line and does not lead to the fact the loss of friction area, thereby can guarantee the advantage that the desk lamp walked the line when reducing the pivot volume.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a rotary shaft in embodiment 1 of the present utility model.

Fig. 2 is a schematic diagram illustrating the assembly relationship of the rotating shaft in embodiment 1 of the present utility model.

Fig. 3 is a schematic diagram showing the assembly relationship between the first rotating structure and the first friction structure in embodiment 1 of the present utility model.

Fig. 4 is a schematic diagram showing the assembly relationship of the rotating bracket in embodiment 1 of the present utility model.

Fig. 5 is a schematic diagram of a partial structure transfer relationship in embodiment 1 of the present utility model.

Fig. 6 is a schematic overall structure of embodiment 2 of the present utility model.

In the figure: 1. a first spindle mechanism; 11. a first rotating structure; 111. a first spindle; 112. a stop block; 12. a first friction structure; 121. a first locking member; 122. a first gasket; 123. a first friction plate; 124. a second friction plate; 125. a third friction plate; 126. a first connection block; 127. a second connection block; 128. a third connecting block; 2. a fixed bracket; 21. a fixing part; 211. a limit groove; 212. an end cap; 213. a first connection hole; 22. a connection part; 221. a clamping position; 222. a positioning groove; 3. a rotating bracket; 31. a rotating frame; 311. a second connection hole; 32. a mounting frame; 321. an accommodation hole; 33. a second spindle mechanism; 331. a second rotating structure; 3311. a second spindle; 3312. a rotating member; 3313. a limiting block; 332. a second friction structure; 3321. a second locking member; 3322. a second gasket; 4. a conduit; 5. a limiting piece; 6. connecting sleeves; 61. a clamping groove; 62. a buckle; 63. positioning columns; 64. a clamping block; 71. a base; 72. a lamp base; 73. a lamp arm; 74. a rotating shaft.

Detailed Description

In order to make the application object, feature and advantage of the present utility model more obvious and understandable, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the embodiments described below are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The technical scheme of the utility model is further described below by means of specific embodiments with reference to fig. 1-6.

Example 1:

referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a desk lamp, includes first pivot mechanism 1, fixed bolster 2, runing rest 3 and conduit 4, has seted up the first wire casing that is used for the holding wire on the fixed bolster 2, has seted up the second wire casing that is used for the holding wire on the runing rest 3, and runing rest 3 is connected with fixed bolster 2 through first pivot mechanism 1. One end of the conduit 4 is fixedly connected with the fixed support 2, the other end is fixedly connected with the rotating support 3, and the conduit 4 is communicated with the first wire groove and the second wire groove. By providing the conduit 4, the problem of reduced friction provided by the first spindle mechanism 1 due to the additional provision of wiring space on the fixed support 2 and the rotatable support 3 is avoided.

Referring to fig. 2 and 3, the fixing bracket 2 includes a fixing portion 21 and a connecting portion 22, end caps 212 are mounted at both ends of the fixing portion 21, CD grains may be disposed on the outer sides of the end caps 212 to improve the aesthetic degree of the rotating shaft, the rotating bracket 3 includes a rotating frame 31, a mounting frame 32 and a second rotating shaft mechanism 33, the first rotating shaft mechanism 1 includes a first rotating structure 11 for realizing rotation of the rotating shaft and a first friction structure 12 for providing a maintaining force of the rotating shaft, the first rotating structure 11 includes a first main shaft 111, and the first friction structure 12 includes a first locking member 121, a plurality of first gaskets 122, a first friction plate 123, a second friction plate 124 and a third friction plate 125. The fixed part 21 is movably sleeved on the rotating frame 31, a stop block 112 is arranged at one end of the first main shaft 111, one end, far away from the stop block 112, of the first main shaft 111 sequentially penetrates through the movable part and the rotating frame 31, the first main shaft 111 is in plug-in fit with the movable part, and the rotating frame 31 can rotate around the first main shaft 111.

Referring to fig. 2 and 3, the first locking member 121 is fixedly installed at an end of the first main shaft 111 away from the stop block 112, specifically, a thread is disposed at an end of the first main shaft 111 away from the stop block 112, the first locking member 121 is in threaded connection with the first main shaft 111, a plurality of first gaskets 122 are sleeved on the first main shaft 111, and a plurality of gaskets are in plug-in fit with the first main shaft 111. The first friction plate 123, the second friction plate 124 and the third friction plate 125 have the same shape and size, and the first friction plate 123, the second friction plate 124 and the third friction plate 125 are movably sleeved on the first main shaft 111.

Referring to fig. 2 and 3, the first friction plate 123 abuts against the fixing bracket 2, a first connecting block 126 is disposed on a side of the first friction plate 123 near the fixing portion 21, and a first connecting hole 213 is disposed on the fixing portion 21 and is in plug-in fit with the first connecting block 126; the second friction plate 124 is abutted against the rotating frame 31, a second connecting block 127 is arranged on one side, close to the rotating frame 31, of the second friction plate 124, a second connecting hole 311 in plug-in fit with the second connecting block 127 is arranged on the rotating frame 31, and the first friction plate 123 is tightly abutted against the second friction plate 124; the third friction plate 125 is sleeved on the first main shaft 111, the third friction plate 125 is abutted against the rotating frame 31, the third friction plate 125 and the second friction plate 124 are symmetrically arranged, the second friction plate 124 and the third friction plate 125 are respectively arranged on two sides of the rotating frame 31, a third connecting block 128 is arranged on one side, close to the rotating frame 31, of the third friction plate 125, and a third connecting hole matched with the third connecting block 128 is formed in the rotating frame 31.

In this embodiment, the plurality of first gaskets 122 are abutted with each other, one of the plurality of first gaskets 122 is abutted with the third friction plate 125, and the first locking member 121 is abutted with one of the plurality of first gaskets 122, so that the pressure between the first gaskets 122 and the third friction plate 125 can be adjusted by rotating the first locking member 121, and the pressure between the first friction plate 123 and the second friction plate 124 can also be adjusted, thereby realizing the adjustment of the tightness degree of the rotation of the rotating shaft.

Referring to fig. 2 and 4, the second rotating shaft mechanism 33 includes a second rotating structure 331 for rotating the rotating bracket 3 and a second friction structure 332 for providing a holding force of the rotating bracket 3, the second rotating structure 331 includes a second spindle 3311 and a rotating member 3312, and the second friction structure 332 includes a second locking member 3321 and a plurality of second washers 3322. The core axis of the second spindle 3311 is perpendicular to the core axis of the first spindle 111, one end of the second spindle 3311 is fixedly connected with the rotating frame 31, the second locking member 3321 is in threaded connection with one end, far away from the rotating frame 31, of the second spindle 3311, a plurality of second gaskets 3322 are sleeved on the second spindle 3311, the second spindle 3311 is in plug-in fit with the second gaskets 3322, and the second gaskets 3322 are abutted against the second locking member 3321 and the rotating member 3312. The rotating member 3312 is movably sleeved on the second spindle 3311, so that the rotating member 3312 can rotate relative to the second spindle 3311, a limiting block 3313 is connected to the rotating member 3312 in a threaded manner, the mounting frame 32 is fixedly sleeved on the rotating member 3312, and a containing hole 321 for containing the limiting block 3313 is formed in the mounting frame 32. The pressure between the second washer 3322 and the rotating member 3312 can be adjusted by rotating the second locking member 3321, thereby realizing the adjustment of the degree of tightness of the rotation of the rotating bracket 3.

Referring to fig. 2 and 4, the rotating frame 31 is threaded with a limiting member 5, the fixing portion 21 is provided with a limiting groove 211, the limiting member 5 is accommodated in the limiting groove 211, and when the rotating frame 31 rotates to a preset angle relative to the fixing portion 21, the limiting member 5 abuts against a groove wall of the limiting groove 211, so as to limit the transitional rotation of the rotating frame 31 relative to the fixing portion 21, and damage the rotating shaft.

Referring to fig. 2 and 5, a connecting sleeve 6 for connecting a rotating shaft with a lamp arm is clamped on a connecting portion 22, a clamping buckle 62 position 221 is arranged on the connecting portion 22, a clamping groove 61 is formed in one side of the connecting sleeve 6, and a clamping buckle 62 is correspondingly arranged on a notch of the clamping groove 61. In addition, a positioning post 63 is integrally formed on the groove wall of the clamping groove 61, and a positioning groove 222 matched with the positioning post 63 is formed on the connecting portion 22. The outer side wall of the connecting sleeve 6 is provided with a clamping block 64, the connecting sleeve 6 is sleeved on the outer side of the connecting part 22, and the desk lamp arm is sleeved on the outer side of the connecting part 22 and is in interference fit with the connecting sleeve 6 through the clamping block 64.

To sum up, through setting up first rotating shaft mechanism 1 for connect fixed bolster 2 and runing rest 3 on first rotating shaft mechanism 1 can all rotate through first rotating shaft mechanism 1, and through having seted up first wire casing on fixed bolster 2, set up the second wire casing on runing rest 3, and set up conduit 4 that the guide was walked between fixed bolster 2 and runing rest 3, the wire rod can pass first wire casing, conduit 4 and second wire casing, thereby realize the wiring of desk lamp, so avoided offering in addition on fixed bolster 2 and runing rest 3 and walk the problem that the frictional force that the line space led to first rotating shaft mechanism 1 to provide reduces, that is to say the inside of this lamps and lanterns walks the line and do not cause the loss of friction area, thereby can guarantee the advantage that the desk lamp walked the line when reducing the pivot volume.

Example 2:

referring to fig. 6, the present embodiment provides a desk lamp, which includes a base, a lamp holder, a lamp arm and a rotating shaft in embodiment 1, and the desk lamp has advantages including the advantages of the rotating shaft, and will not be described herein.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. A rotary shaft, comprising:

a first spindle mechanism (1), the first spindle mechanism (1) comprising a first rotation structure (11) enabling rotation of the spindle and a first friction structure (12) providing a spindle holding force;

the wire guide device comprises a fixed support (2), wherein a first wire slot for accommodating a wire is formed in the fixed support (2);

the rotary support (3) is provided with a second wire slot for accommodating a wire, and the rotary support (3) is connected with the fixed support (2) through the first rotating shaft mechanism (1);

conduit (4), conduit (4) connect in fixed bolster (2) with runing rest (3), conduit (4) communicate in first wire casing with the second wire casing.

2. A spindle according to claim 1, characterized in that the first rotating structure (11) comprises a first spindle (111), the first friction structure (12) comprises a first locking member (121) and a first spacer (122);

the first main shaft (111) runs through fixed bolster (2) with runing rest (3), runing rest (3) pass through first main shaft (111) with fixed bolster (2) rotate and are connected, first gasket (122) cup joint in first main shaft (111), first retaining member (121) fixed set up in on first main shaft (111), first retaining member (121) butt in first gasket (122), first gasket (122) butt in fixed bolster (2) or runing rest (3).

3. A spindle according to claim 2, characterized in that the first friction structure (12) further comprises:

the first friction plate (123) is in butt joint with the fixed support (2), a first connecting block (126) is arranged on one side, close to the fixed support (2), of the first friction plate (123), and a first connecting hole (213) in plug-in fit with the first connecting block (126) is formed in the fixed support (2);

the second friction plate (124), the second friction plate (124) is abutted with the rotary support (3), a second connecting block (127) is arranged on one side, close to the rotary support (3), of the second friction plate (124), and a second connecting hole (311) in plug-in fit with the second connecting block (127) is formed in the rotary support (3);

the first friction plate (123) and the second friction plate (124) are both sleeved on the first main shaft (111), and the first friction plate (123) is abutted with the second friction plate (124).

4. A rotary shaft according to claim 3, further comprising a third friction plate (125), wherein the third friction plate (125) is sleeved on the first main shaft (111), the third friction plate (125) is abutted to the rotary support (3), the third friction plate (125) and the second friction plate (124) are symmetrically arranged, a third connecting block (128) is arranged on one side, close to the rotary support (3), of the third friction plate (125), and a third connecting hole matched with the third connecting block (128) is formed in the rotary support (3).

5. A spindle according to claim 4, characterized in that the first spindle (111) is in plug-in fit with the fixed support (2), the rotating support (3) is movably sleeved on the first spindle (111), the first spindle (111) is in plug-in fit with the first spacer (122), and the first spacer (122) is in abutting connection with the third friction plate (125).

6. A spindle according to claim 1, characterized in that the swivel bracket (3) comprises:

a second spindle mechanism (33), the second spindle mechanism (33) comprising a second rotating structure (331) enabling rotation of the rotating bracket (3) and a second friction structure (332) providing a holding force of the rotating bracket (3);

the rotating frame (31) is connected with the fixed bracket (2) through the first rotating shaft mechanism (1);

the mounting frame (32), mounting frame (32) are through second pivot mechanism (33) with swivel mount (31) are connected.

7. A spindle according to claim 6, characterized in that the second rotating structure (331) comprises a second spindle (3311) and a rotor (3312), the second friction structure (332) comprises a second locking member (3321) and a second washer (3322);

the second main shaft (3311) is fixedly connected with the rotating frame (31), the rotating piece (3312) is sleeved on the second main shaft (3311), the second locking piece (3321) is fixedly sleeved on the second main shaft (3311), and the second gasket (3322) is abutted to the rotating piece (3312) and the second locking piece (3321);

the mounting frame (32) is fixedly sleeved on the rotating piece (3312).

8. The rotating shaft according to claim 1, further comprising a limiting piece (5), wherein the fixed support (2) is provided with a limiting groove (211), the limiting groove (211) is accommodated in the limiting groove (211), and the limiting piece (5) is fixedly connected with the rotating support (3).

9. A spindle according to claim 1, further comprising a connecting sleeve (6), wherein the connecting sleeve (6) is provided with a buckle (62), the fixing bracket (2) is provided with a buckle (62) position (221), and the connecting sleeve (6) is clamped with the fixing bracket (2).

10. A desk lamp comprising a spindle as claimed in any one of claims 1 to 9.