CN216868270U - A table lamp steering connection device - Google Patents

Abstract

The utility model relates to a desk lamp steering connecting device, comprising: the rotating shaft is used for installing and connecting an upper through center rod of the illuminating lamp and a lower through center rod of the lamp holder; the inner wall of the upper center through rod is provided with a connecting block, the connecting block is provided with a steering screw hole, and the diameter of the steering screw hole is matched with the diameter of the rotating shaft; a through hole for passing a power line is arranged at the axis of the rotating shaft, and a steering thread is arranged on the outer side of the top of the rotating shaft; the bottom of the rotating shaft is fixedly connected with the top of the lower core rod, and the through hole is communicated with the lower core rod; wherein, the top of the rotating shaft is arranged in the steering screw hole and is in threaded connection with the steering screw hole. The scheme provided by the utility model can connect the lamp holder and the illuminating lamp without limit, and adjust the illumination range of the illuminating lamp by 350 degrees through twisting.

Description

A table lamp steering connection device

technical field

The utility model relates to the technical field of table lamp design, in particular to a steering connection device for a table lamp.

Background technique

Table lamps generally refer to electric lamps with bases that are placed on the table, but with the advancement of technology, the appearance and shape of table lamps are also constantly developing, and they have gradually become daily necessities for people's work, study and home, and have a close relationship with people. life relationship.

When people buy a table lamp, in addition to the requirements for the shape of the table lamp, they are also very concerned about whether it is convenient to use. Adjustment; for a desk lamp that provides power through a power cord, the adjustment of the illumination range is inconvenient, mainly because its base is often fixed, and frequent rotation and adjustment of the desk lamp will cause the power cord to fold, which will eventually affect the connection to the lamp. service life, not practical.

For this reason, people prefer turning table lamps, but in terms of the design of turning table lamps, the design of turning table lamps is closely related to its movement mode and the structural characteristics of table lamps; when designing the structure of the rotating shaft, it is often based on the size of the table lamps. The structure and shape of the rotating shaft are designed according to various factors such as size, assembly position, and rotation angle direction, so that the types of table lamps are more and more diverse, which can meet the different needs of different users for table lamps; If there are prerequisites for the assembly position and rotation angle, there are also different basic requirements for the realization of steering; that is, the rotation angle, direction and rotation axis required by the product are determined according to the angle and rotation direction required by the lamp structure, and There is no unlimited steering.

Therefore, there is an urgent need for an unrestricted steering structure that can be applied to all desk lamps.

Utility model content

In order to overcome the problems existing in the related art, the utility model provides a table lamp steering connection device, which can connect the lamp holder and the lighting lamp without limitation, and realize 350° adjustment of the illumination range of the lighting lamp by twisting; Various table lamps can be connected without considering the size, assembly position, and rotation angle of the table lamp itself.

In order to achieve the above-mentioned purpose, the utility model mainly adopts the following technical solutions as a table lamp steering connection device, including:

The rotating shaft is used for installing the upper through-core rod for connecting the lighting lamp and the lower through-core rod for installing and connecting the lamp socket; the inner wall of the upper through-core rod is provided with a connecting block, and the connecting block is provided with a turning screw hole, the The diameter of the steering screw hole is adapted to the diameter of the rotating shaft; the axis of the rotating shaft is provided with a through hole for the power cable to pass through, and the top outer side of the rotating shaft is provided with a steering thread; the bottom of the rotating shaft and the lower The top of the through mandrel is fixedly connected, and the through hole is communicated with the lower through mandrel; wherein, the top of the rotating shaft is arranged in the steering screw hole and is threadedly connected with the steering screw hole.

Preferably, the inner wall of the lower through mandrel is provided with a fixing block, and the fixing block is provided with a fixing through hole; wherein, the diameter of the fixing through hole is adapted to the diameter of the rotating shaft, and the bottom of the rotating shaft is rigidly connected in the fixed through hole.

Preferably, the connecting block is fixed at the aperture of the upper through-bar, the fixing block is fixed at the aperture of the lower through-bar, and the connecting block is aligned with the fixing block.

Preferably, the rotating shaft includes a threaded portion and a smooth portion, wherein the length of the smooth portion is greater than the length of the threaded portion.

Preferably, the connecting block is fixedly connected to the upper through-core rod through a plastic plug, and the fixed block is fixedly connected to the lower through-core rod through a plastic plug.

Preferably, the turning screw hole includes a connecting portion and a receiving portion, the length of the connecting portion is equal to the length of the threaded portion, and the length of the receiving portion is smaller than the length of the smooth portion.

Preferably, the diameter of the rotating shaft is three times the ring width of the rotating shaft.

The technical scheme provided by the utility model can include the following beneficial effects:

In this example, one end of the rotating shaft whose axis is provided with a through hole is fixedly connected to the lower through-core rod used to install and connect the lamp socket, so that the through-hole is communicated with the lower through-core rod, so as to facilitate the connection of the power cord and the electrification; And a steering thread is arranged on the other end of the rotating shaft, and a connecting block is arranged on the upper through-core rod for installing and connecting the lighting lamp, and the part of the rotating shaft with the steering thread is connected with the steering screw hole on the connecting block. Threaded connection, by twisting the upper through-core rod, the illumination range of the table lamp can be adjusted; the table lamp steering connection device can connect the lamp holder and the lighting lamp without limitation, and can adjust the lighting lamp by 350° by twisting It can connect all kinds of table lamps without considering the size, assembly position, rotation angle and direction of the table lamp itself.

It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not limiting of the invention.

Description of drawings

The above and other objects, features and advantages of the present invention will become more apparent from the more detailed description of the exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein, in the exemplary embodiments of the present invention, the same reference Numbers usually refer to the same parts.

1 is a schematic structural diagram of a table lamp steering connection device shown in an embodiment of the present invention;

2 is a schematic structural diagram of a steering screw hole shown in an embodiment of the present invention;

In the figure: Rotating shaft-10, through hole-11, threaded part-12, smooth part-13, upper through-core rod-20, connecting block-21, steering screw hole-22, connecting part-221, accommodating part-222 , Down through the heart rod -30, fixed block -31, fixed through hole -32, plastic plug -40.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present invention. Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The terms used in the present invention are for the purpose of describing particular embodiments only, and are not intended to limit the present invention. As used in this specification and the appended claims, the singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It will also be understood that the term "and/or" as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

In the description of the present invention, it should be understood that the terms "thickness", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom" The orientation or positional relationship indicated by , "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or element. It must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

It should be understood that although the terms "first", "second", "third", etc. may be used in the present invention to describe various information, the information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information without departing from the scope of the present invention. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

At present, the design of the turning table lamp needs to be based on the size, assembly position and rotation angle of the table lamp itself, and there are also different basic requirements for the realization of the illumination steering requirements; that is, the rotation angle, direction and rotation axis required by the product are all required. It is determined according to the angle and rotation direction required by the structure of the desk lamp, and there is no unlimited connection and steering device.

In view of the above problems, the embodiment of the present invention provides a table lamp steering connection device, which can connect the lamp holder and the lighting lamp without limitation, and realize 350° adjustment of the illumination range of the lighting lamp by twisting; Under the premise of various factors such as its own size, assembly position, and rotation angle direction, various table lamps can be connected.

The technical solution of the embodiment (Embodiment 1) of the present utility model is described in detail below with reference to the accompanying drawings.

FIG. 1 is a schematic structural diagram of a table lamp steering connection device shown in an embodiment of the present invention; FIG. 2 is a structural schematic diagram of a steering screw hole shown in an embodiment of the present invention.

Referring to Figure 1 and Figure 2, the table lamp steering connection device includes:

The rotating shaft 10 is used to install the upper through-core rod 20 for connecting the lighting lamp and the lower through-core rod 30 for installing and connecting the lamp socket; the inner wall of the upper through-core rod 20 is provided with a connecting block 21, and the connecting block 21 A steering screw hole 22 is provided on the upper part, and the diameter of the steering screw hole 22 is adapted to the diameter of the rotating shaft 10; the axis of the rotating shaft 10 is provided with a through hole 11 for power line A turning thread 11 is provided on the outer side of the top of the shaft 10; the bottom of the rotating shaft 10 is fixedly connected with the top of the lower through mandrel 30, and the through hole 11 is communicated with the lower through mandrel 30; wherein, all the The top of the rotating shaft 10 is arranged in the steering screw hole 22 and is threadedly connected with the steering screw hole 22 .

Specifically, the inner wall of the lower through-core rod 30 is provided with a fixing block 31 , and the fixing block 31 is provided with a fixing through hole 32 ; wherein, the diameter of the fixing through hole 32 is suitable for the diameter of the rotating shaft 10 . and the bottom of the rotating shaft 10 is just connected to the fixing through hole 32 .

Specifically, the connecting block 21 is fixed at the orifice of the upper through-core rod 20 , the fixing block 31 is fixed at the opening of the lower through-core rod 30 , and the connecting block 21 is connected to the fixed Block 31 is aligned.

Specifically, the rotating shaft 10 includes a threaded portion 12 and a smooth portion 13 , wherein the length of the smooth portion 13 is greater than the length of the threaded portion 12 .

Specifically, the connecting block 21 is fixedly connected to the upper through-core rod 20 through a plastic plug 40 , and the fixing block 31 is fixedly connected to the lower through-core rod 30 through the plastic plug 40 .

Specifically, the turning screw hole 22 includes a connecting portion 221 and a receiving portion 222 , the length of the connecting portion 221 is equal to the length of the threaded portion 12 , and the length of the receiving portion 222 is smaller than the length of the smooth portion 13 . .

Specifically, the diameter of the rotating shaft 10 is three times the ring width of the rotating shaft 10 .

In this embodiment, in order to enable the multi-angle rotation of the table lamp without setbacks and to connect various electrical appliances smoothly; and during the rotation process, the shape of the table lamp can be kept consistent and without dislocation, and has strong structural integration connectivity ; In this example, one end of the rotating shaft whose axis is provided with a through hole is fixedly connected to the lower through-core rod used to install and connect the lamp socket, so that the through hole is communicated with the lower through-core rod, so as to facilitate the connection of the power line; The other end of the rotating shaft is provided with a steering thread, and a connecting block is arranged on the upper through-core rod for installing and connecting the lighting lamp, and the part of the rotating shaft with the steering thread is threadedly connected with the steering screw hole on the connecting block. , by twisting the upper through-core rod, the illumination range of the desk lamp can be adjusted; the desk lamp steering connection device can connect the lamp holder and the lighting lamp without limitation, and adjust the illumination of the lamp by 350° by twisting It can connect all kinds of table lamps and realize the above-mentioned functions without considering the size, assembly position, and rotation angle of the table lamp itself.

In addition, in order to be able to implement the above technical solution, in this example, a fixing block is also arranged on the inner wall of the lower through-core rod, and a fixing through hole is arranged on the fixing block, so that the diameter of the fixing through hole is related to the rotation The diameter of the shaft is adapted, and the rotating shaft can be completely placed in the fixed through hole; in order to ensure the stability of the structure, it is also necessary to just connect the bottom of the rotating shaft in the fixed through hole to prevent it from sliding sideways; The connecting block is fixed at the hole of the upper through-core rod, the fixing block is fixed at the hole of the lower through-core rod, and the connecting block is aligned with the fixing block.

Wherein, the rotating shaft mentioned in the above is composed of two parts: a threaded part and a smooth part, the rotating shaft of the threaded part is used for connecting and rotating, and the rotating shaft of the smooth part is used for connecting both ends; To ensure its applicability, the length of the smooth portion is set larger than the length of the threaded portion to reduce the force of rotation.

It should also be noted that the connecting block is fixedly connected to the upper through-core rod through a plastic plug, and the fixing block is also fixedly connected to the lower through-core rod through a plastic plug; In order to correspond to the rotating shaft, the steering screw hole is divided into a connecting part and an accommodating part, the connecting part is provided with a corresponding thread, and the accommodating part has a smooth inner wall; effect, the length of the connecting part is now set equal to the length of the threaded part, and the length of the accommodating part is set to be smaller than the length of the smooth part, and in order to ensure the rigidity of the rotating shaft, it is necessary to The diameter of the rotating shaft is set to be three times the ring width of the rotating shaft, so as to ensure the stability of the structure and prevent it from being twisted and broken.

The solution of the present invention has been described in detail above with reference to the accompanying drawings. In the above-mentioned embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments. Those skilled in the art should also know that the actions and modules involved in the description are not necessarily required by the present invention. In addition, it can be understood that the steps in the method of the embodiment of the present invention can be sequentially adjusted, combined and deleted according to actual needs, and the structures in the device of the embodiment of the present invention can be combined, divided and deleted according to actual needs.

Various embodiments of the present invention have been described above, and the foregoing descriptions are exemplary, not exhaustive, and not limiting of the disclosed embodiments. Numerous modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein was chosen to best explain the principles of the various embodiments, the practical application or improvement over the technology in the marketplace, or to enable others of ordinary skill in the art to understand the various embodiments disclosed herein.

Claims (7)

1. a desk lamp steering connection device, is characterized in that, comprises: A rotating shaft, used to install the upper thru-bar for connecting the lamp and the lower thru-rod for connecting the lamp socket; The inner wall of the upper through-core rod is provided with a connecting block, and the connecting block is provided with a steering screw hole, and the diameter of the steering screw hole is adapted to the diameter of the rotating shaft; the axis of the rotating shaft is provided with a useful In the through hole of the power cable, the top outer side of the rotating shaft is provided with a steering thread; The bottom of the rotating shaft is fixedly connected with the top of the lower through-core rod, and the through hole communicates with the lower through-core rod; wherein, the top of the rotating shaft is arranged in the steering screw hole, and Threaded connection with the steering screw hole. 2 . The steering connection device for a desk lamp according to claim 1 , wherein a fixing block is arranged on the inner wall of the lower through-core rod, and a fixing through hole is arranged on the fixing block; wherein, the fixing through hole is arranged on the fixing block. The diameter of the hole is adapted to the diameter of the rotating shaft, and the bottom of the rotating shaft is just connected in the fixing through hole. 3. A desk lamp steering connection device according to claim 2, wherein the connecting block is fixed at the hole of the upper through-core rod, and the fixing block is fixed at the hole of the lower through-core rod. At the orifice, the connecting block is aligned with the fixing block. 4 . The steering connection device for a desk lamp according to claim 1 , wherein the rotating shaft comprises a threaded portion and a smooth portion, wherein the length of the smooth portion is greater than the length of the threaded portion. 5 . 5 . The steering connection device for a desk lamp according to claim 2 , wherein the connecting block is fixedly connected to the upper through-core rod through a plastic plug, and the fixing block is connected to the lower through-hole through a plastic plug. 6 . Fixed connection of macarons. 6 . The turning connection device of a desk lamp according to claim 4 , wherein the turning screw hole comprises a connecting part and a receiving part, the length of the connecting part is equal to the length of the threaded part, and the receiving part is 6 . The length of the portion is less than the length of the smooth portion. 7 . The steering connection device for a desk lamp according to claim 1 , wherein the diameter of the rotating shaft is three times the ring width of the rotating shaft. 8 .

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