CN211551254U

CN211551254U - Universal rotating structure

Info

Publication number: CN211551254U
Application number: CN202020242845.2U
Authority: CN
Inventors: 谢云; 潘登
Original assignee: Shenzhen Derl Technology Co ltd
Current assignee: Shenzhen Derl Technology Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-09-22
Anticipated expiration: 2030-03-02

Abstract

The utility model discloses an universal rotating-structure, including the lamp pole, the lamp pole is the tubulose, the upper end of lamp pole is provided with the bulb of ball form, be provided with the bulb through-hole on the bulb, the inside of lamp pole is passed through the bulb through-hole is put through to the outside, the cover is equipped with the pivot lid on the bulb, the pivot lid with the bulb can universal rotation ground cooperate, just the upper end of pivot lid is formed with the line hole of crossing, cross the line hole with bulb through-hole position is relative. The utility model discloses think about novelty, reasonable in design, and convenient to use, the utility model newly designed an universal rotating-structure, through bulb and pivot lid cooperation for the desk lamp can avoid the stranded conductor.

Description

Universal rotating structure

Technical Field

The utility model relates to a desk lamp technical field, in particular to universal rotating-structure.

Background

The desk lamp is a common small household appliance and office supplies, and specific functional effects and design of related products are various. A common desk lamp includes a lamp base, a lamp post and a lamp cap. In order to facilitate the illumination of the lamp cap part of the desk lamp, a universal rotating structure can be adopted to connect the lamp cap and the lamp rod. When the existing general universal rotating structure is applied to the desk lamp, the problem of easy wire twisting exists. Therefore, a special universal rotating structure is necessary to design.

SUMMERY OF THE UTILITY MODEL

In view of the problem that exists among the background art and easy stranded conductor, the utility model provides an universal rotating-structure, its concrete scheme is as follows:

the universal rotating structure comprises a lamp post, wherein a bulb connected with the lamp post is arranged at the upper end of the lamp post, a rotating shaft cover is sleeved on the bulb, and the rotating shaft cover and the bulb can be matched in a universal rotating mode.

Preferably, the rotating shaft cover comprises an upper rotating shaft cover and a lower rotating shaft cover which are vertically arranged and are assembled into a whole, a hemispherical accommodating cavity is formed in each of the upper rotating shaft cover and the lower rotating shaft cover, the two hemispherical accommodating cavities are formed by assembling the upper rotating shaft cover and the lower rotating shaft cover into a spherical accommodating cavity, and the ball head is arranged in the spherical accommodating cavity to realize universal rotation fit.

Preferably, each damping pad is arranged in the hemispherical cavity, the damping pads are provided with first cambered surfaces matched with the appearance of the ball head, and the first cambered surfaces are in contact with the surface of the ball head.

Preferably, the damping pad includes ring portion, along ring portion evenly is provided with a plurality of vanes, the internal surface of vane forms first cambered surface, and sets up in the pivot upper cover the damping pad the vane is from up extending the setting down, sets up in the pivot lower cover the damping pad the vane is from down extending the setting down.

Preferably, the inner walls of the upper rotating shaft cover and the lower rotating shaft cover are provided with grooves for embedding the tooth sheets.

Preferably, the lamp post is tubular, and an inner cavity is formed inside the lamp post; a ball head through hole is formed in the ball head; an upper bolt seat is arranged at the bottom of the bulb, the bulb penetrates through the upper bolt seat through a bolt to be fixedly connected with the lamp post, an upper wire hole is further formed in the upper bolt seat, and the upper wire hole is communicated with an inner cavity of the lamp post and the bulb through hole; and a wire passing hole is formed in the upper cover of the rotating shaft and is opposite to the ball head through hole.

Preferably, go up the bolt seat platform including being located inside inner segment of bulb and being located outside the outer section of bulb, just outer section inserts the inside of lamp pole, correspondingly, the inside bolt seat platform that is provided with down of lamp pole, the lower terminal surface of going up the bolt seat platform contradicts down the up end of bolt seat platform, just go up the bolt seat platform through bolt fixed connection to bolt seat platform down, bolt seat platform has set up down the line hole down, down the line hole with it is relative to go up the line hole position, the inner chamber of lamp pole passes through line hole and last line hole with bulb through-hole intercommunication.

Preferably, the number of the bolts for connecting the upper bolt seat stand and the lower bolt seat stand is two, and the bolts penetrate through the upper bolt seat stand from the upper end face of the upper bolt seat stand to the lower bolt seat stand.

Has the advantages that: the utility model discloses think about novelty, reasonable in design, and convenient to use, the utility model newly designed an universal rotating-structure, through bulb and pivot lid cooperation for the desk lamp can avoid the stranded conductor.

Drawings

Fig. 1 is an exploded schematic view of an embodiment of the present invention.

Fig. 2 is a schematic sectional view of an assembly structure at the ball head in an embodiment of the present invention.

Fig. 3 is a schematic view of a damping pad according to an embodiment of the present invention.

Fig. 4 is a schematic view of a ball head structure in an embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view of a ball head in an embodiment of the present invention.

Fig. 6 is a schematic view of a sectional structure of an upper end of a lamp post according to an embodiment of the present invention.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

referring to fig. 1 to 6, a universal rotating structure has a lamp post 1, the lamp post 1 is tubular, a spherical bulb 2 is arranged at the upper end of the lamp post 1, a bulb through hole 2a is arranged on the bulb 2, the inside of the lamp post 1 is communicated with the outside through the bulb through hole 2a, a rotating shaft cover 3 is sleeved on the bulb 2, the rotating shaft cover 3 is matched with the bulb 2 in a universal rotating manner, a wire passing hole 3c is formed at the upper end of the rotating shaft cover 3, and the wire passing hole 3c is opposite to the bulb through hole 2 a.

The utility model discloses an among the basic scheme, lamp pole 1 realizes universal rotating-structure through setting up bulb 2 and cooperating with 3 universal rotations ground of pivot lid. In particular use, the external component is connected to the shaft cover 3. Bulb through-hole 2a and cross line hole 3c, the position is relative to each other to switch on lamp pole 1 and outside, the threading of being convenient for. Meanwhile, under the structure, stranded wires can be avoided by combining the matching of the rotating shaft cover 3 and the ball head 2.

Preferably, the rotating shaft cover 3 comprises a rotating shaft upper cover 3a and a rotating shaft lower cover 3b which are vertically arranged and are assembled into a whole, a hemispherical cavity is formed in each of the rotating shaft upper cover 3a and the rotating shaft lower cover 3b, the two hemispherical cavities are assembled through the rotating shaft upper cover 3a and the rotating shaft lower cover 3b to form a spherical cavity, and the ball head 2 is arranged in the spherical cavity to realize universal rotation fit; the wire passing hole 3c is arranged on the rotating shaft upper cover 3 a. In the preferred scheme, the rotating shaft cover 3 is divided into an upper rotating shaft cover 3a and a lower rotating shaft cover 3b, and an integral structure is formed by assembling and combining. As shown in fig. 1 and 2, the rotating shaft upper cover 3a and the rotating shaft lower cover 3b are connected by bolts to form a whole, and specifically, are spliced to form a spherical cavity to be filled in the ball head 2 to realize universal rotation fit. This kind of pin-connected panel structure is convenient for assemble.

Preferably, a damping pad 4 is respectively arranged in the hemispherical cavities of the upper rotating shaft cover 3a and the lower rotating shaft cover 3b, the damping pad 4 is provided with a cambered surface matched with the appearance of the ball head 2, and the cambered surface is contacted with the surface of the ball head 2. In this preferred scheme, be provided with damping pad 4, through

damping pad

4 and 2 contacts of bulb for bulb 2 can avoid wearing and tearing when rotating, rotates more smoothly, and has certain damping effect, makes to have adhesion and hysteresis effect when rotating, feels stronger, can not use because of too loose too smooth influence. In a specific use process, the damping pad 4 is made of silica gel.

Preferably, the damping pad 4 includes ring portion 4a, evenly is provided with a plurality of teeth 4b along

ring portion

4a, and 4 b's internal surface forms the cambered surface, and sets up the setting of up extending from the bottom to the teeth 4b of damping pad 4 in pivot upper cover 3a, and the setting of down extending from the top to the teeth 4b of damping pad 4 that sets up in pivot lower cover 3 b. In the preferred scheme, a specific structural form of the damping pad 4 is provided, the toothed piece 4b is reasonably and uniformly contacted with the ball head 2, and the contact area with the ball head 2 is reasonably controlled, so that compared with a complete wrapping type structure generally related to the thought, under the condition that the advantages of avoiding abrasion, smoother rotation, stronger hand feeling and the like are met, the material use is reduced, the economy is higher, the tightness of the wrapping type structure formed by the damping pad 4 is more free, and the situation that the retardation effect is too strong and the use is inconvenient is avoided; the structural form with smaller relative contact area also ensures enough wrapping force for the ball head 2.

Preferably, the inner walls of the upper rotating shaft cover 3a and the lower rotating shaft cover 3b are provided with grooves for embedding the tooth sheets 4 b. In this preferred scheme, be provided with groove structure to tooth 4b for inlaying of tooth 4b is adorned for the cambered surface that the inner wall of tooth 4b formed and the spherical appearance intracavity wall cosurface of handling that pivot upper cover 3a and pivot lower cover 3b formed form, forms a spherical cambered surface inner wall whole, is convenient for use with the cooperation of bulb 2.

Preferably, the ball head 2 is provided with an upper bolt seat 2b, the ball head 2 is fixed to the lamp post 1 by passing through the upper bolt seat 2b through a bolt, the center of the upper bolt seat 2b is provided with a through-going hole 2c, and the through-going hole 2c is communicated with the inside of the lamp post 1 and the ball head through hole 2 a. In this preferred scheme, set up bolted connection to lamp pole 1 through setting up bolt seat platform 2b, be convenient for the fixed setting of bulb 2. The upper line hole 2c is provided to facilitate the passage of a wire.

Preferably, the upper bolt base 2b includes an inner section 2ba located inside the ball head 2 and an outer section 2bb located outside the ball head 2 (as shown in fig. 5, L is an auxiliary line, the upper portion is the inner section 2ba, and the lower portion is the outer section 2bb), and the outer section 2bb is inserted into the lamp post 1, accordingly, a lower bolt base 1a is provided inside the lamp post 1, the lower end surface of the upper bolt base 2b abuts against the upper end surface of the lower bolt base 1a, and the upper bolt base 2b is fixedly connected to the lower bolt base 1a by a bolt, the lower bolt base 1a is provided with a lower wire hole 1b, the lower wire hole 1b is opposite to the upper wire hole 2c, and the inside of the lamp post 1 is connected to the ball head through hole 2a by the lower wire hole 1b and the upper wire hole 2 c. In the preferred scheme, a specific structural form of the upper bolt seat 2b is given, and correspondingly, the lower bolt seat 1a is arranged on the lamp post 1, so that the ball head 2 and the lamp post 1 can be conveniently assembled and connected. The lower wire hole 1b is provided to have the same function as the upper wire hole 2c, so that a wire can pass through the lower wire hole.

Preferably, two bolts are used for connecting the upper bolt seat 2b and the lower bolt seat 1a, and pass through the upper bolt seat 2b from the upper end surface of the upper bolt seat 2b to extend into the lower bolt seat 1 a.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a universal rotating-structure, includes lamp pole (1), its characterized in that: the lamp post is characterized in that a bulb (2) connected with the lamp post is arranged at the upper end of the lamp post (1), a rotating shaft cover (3) is sleeved on the bulb (2), and the rotating shaft cover (3) is matched with the bulb (2) in a universal rotating mode.

2. A universal joint rotation structure according to claim 1, wherein: the rotating shaft cover (3) comprises an upper rotating shaft cover (3a) and a lower rotating shaft cover (3b) which are arranged from top to bottom and are assembled into a whole, a hemispherical accommodating cavity is formed in each of the upper rotating shaft cover (3a) and the lower rotating shaft cover (3b), the hemispherical accommodating cavities are formed through assembling of the upper rotating shaft cover (3a) and the lower rotating shaft cover (3b) to form a spherical accommodating cavity, and the ball head (2) is arranged in the spherical accommodating cavity to achieve universal rotation fit.

3. A universal joint rotation structure according to claim 2, wherein: each damping pad (4) is arranged in the hemispherical accommodating cavity, the damping pads (4) are provided with first cambered surfaces matched with the appearance of the ball head (2), and the first cambered surfaces are in contact with the surface of the ball head (2).

4. A universal joint rotation structure according to claim 3, wherein: damping pad (4) include ring portion (4a), along ring portion (4a) evenly is provided with a plurality of teeth (4b), the internal surface of tooth (4b) forms first cambered surface, and sets up in pivot upper cover (3a) damping pad (4) tooth (4b) from up extending the setting down, set up in pivot lower cover (3b) damping pad (4) tooth (4b) from up extending the setting down.

5. A universal joint rotation structure according to claim 4, wherein: and grooves for embedding the tooth sheets (4b) are formed in the inner walls of the upper rotating shaft cover (3a) and the lower rotating shaft cover (3 b).

6. A universal joint rotation structure according to claim 2, wherein: the lamp post (1) is tubular, and an inner cavity is formed in the lamp post; a bulb through hole (2a) is formed in the bulb (2); an upper bolt seat stand (2b) is arranged at the bottom of the ball head (2), the ball head (2) penetrates through the upper bolt seat stand (2b) through a bolt to be fixedly connected with the lamp post (1), an upper wire hole (2c) is further formed in the upper bolt seat stand (2b), and the upper wire hole (2c) is communicated with an inner cavity of the lamp post (1) and the ball head through hole (2 a); a wire passing hole (3c) is formed in the rotating shaft upper cover (3a), and the wire passing hole (3c) is opposite to the ball head through hole (2 a).

7. A universal joint rotation structure according to claim 6, wherein: the upper bolt seat (2b) comprises an inner section (2ba) located inside the ball head (2) and an outer section (2bb) located outside the ball head (2), and the outer section (2bb) is inserted into the lamp post (1), correspondingly, a lower bolt base (1a) is arranged inside the lamp post (1), the lower end surface of the upper bolt seat stand (2b) is abutted against the upper end surface of the lower bolt seat stand (1a), and the upper bolt seat (2b) is fixedly connected to the lower bolt seat (1a) by a bolt, the lower bolt seat (1a) is provided with a lower line hole (1b), the lower line hole (1b) is opposite to the upper line hole (2c), the inner cavity of the lamp pole (1) is communicated with the ball head through hole (2a) through the lower line hole (1b) and the upper line hole (2 c).

8. A universal joint rotation structure according to claim 7, wherein: two bolts are used for connecting the upper bolt seat stand (2b) and the lower bolt seat stand (1a), and penetrate through the upper bolt seat stand (2b) from the upper end face of the upper bolt seat stand (2b) downwards and extend into the lower bolt seat stand (1 a).