CN112361268A

CN112361268A - Lifting type lighting device

Info

Publication number: CN112361268A
Application number: CN202011173147.2A
Authority: CN
Inventors: 周明杰; 黄先平; 吴鹏飞
Original assignee: Oceans King Lighting Science and Technology Co Ltd; Oceans King Dongguan Lighting Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Current assignee: Oceans King Lighting Science and Technology Co Ltd; Oceans King Dongguan Lighting Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-02-12

Abstract

The application is suitable for the technical field of mechanical self-locking, and provides a lifting type lighting device which comprises a lamp holder, a lifting rod connected to the lamp holder and a lamp cap arranged on the lifting rod; the lifting rod comprises a self-locking assembly and at least two rod bodies which are sequentially movably sleeved along the axial direction, and the adjacent two rod bodies are respectively a first rod body and a second rod body; the self-locking assembly comprises a first locking sleeve and a second locking sleeve, the first locking sleeve is sleeved on the first rod body, and the second locking sleeve is movably sleeved on the second rod body; the second lock sleeve is arranged to be eccentric near one section of the first lock sleeve, and the second lock sleeve is sleeved on the first lock sleeve and inclines relative to the second rod body so as to form self-locking limit of the first rod body and the second rod body in the axial direction. In this application embodiment, the second lock sleeve cup joints in first lock sleeve and relative second body of rod slope to block the second body of rod, so, it is spacing to realize the auto-lock of first body of rod and the second body of rod in the axial, and the lift and the locking operation of lifter are very simple, quick.

Description

Lifting type lighting device

Technical Field

The application belongs to the technical field of mechanical self-locking, and particularly relates to a lifting type lighting device.

Background

In order to improve the convenience of the lamp, the lamp is usually arranged on a lifting rod at present, and the lifting action is realized by the lifting of the lifting rod.

Traditional lifter, overlap in proper order through two at least body of rods and come to realize the lift action, when needs height-adjusting, need loosen the hasp wrench on the body of rod earlier, move about each other to when predetermineeing the height at two bodies of rod, detain the fixed spacing in order to realize two bodies of rod with the hasp wrench on the body of rod again, so could realize the lift and the locking operation of lifter, the operation is very loaded down with trivial details also takes time long, can't realize the auto-lock.

Disclosure of Invention

One of the purposes of the embodiment of the application is as follows: the utility model provides a lifting type lighting device, which aims to solve the technical problem that the lifting and locking operations of a lifting rod are very complicated in the prior art.

In order to solve the technical problem, the embodiment of the application adopts the following technical scheme:

the lifting type illuminating device comprises a lamp holder, a lifting rod connected to the lamp holder and a lamp cap arranged on the lifting rod; the lifting rod comprises a self-locking assembly and at least two rod bodies which are sequentially movably sleeved along the axial direction, and the adjacent two rod bodies are respectively a first rod body and a second rod body; the first rod body at one end of the lifting rod along the axial direction is connected to the lamp holder, and the second rod body at the other end of the lifting rod along the axial direction is connected to the lamp cap; the self-locking assembly comprises a first locking sleeve and a second locking sleeve, the first locking sleeve is sleeved on the first rod body, and the second locking sleeve is movably sleeved on the second rod body; the second lock sleeve is arranged to be close to one section of the first lock sleeve and is in an eccentric shape, and the second lock sleeve is sleeved on the first lock sleeve and is opposite to the second rod body to incline so as to form the first rod body and the second rod body are self-locked and limited in the axial direction.

In one embodiment, the second locking sleeve comprises a central section and an eccentric section which are fixedly connected in sequence along the axial direction, and the central section and the eccentric section are both sleeve-shaped structures and are sequentially sleeved on the second rod body; the distance from a point on at least part of the inner peripheral wall of the eccentric section to the central axis of the central section is increased after being reduced in the circumferential direction, and the eccentric section is sleeved on the first locking sleeve.

In one embodiment, at least a part of the inner circumferential wall of the eccentric section is provided as a conical surface with an inner diameter gradually increasing along the direction of the eccentric section towards the first locking sleeve, and at least a part of the outer circumferential wall of the first locking sleeve is provided as a conical surface with an outer diameter gradually decreasing along the direction of the first locking sleeve towards the eccentric section.

In one embodiment, the first locking sleeve comprises a fixed connection section and a limit section which are fixed with each other, and the fixed connection section and the limit section are both sleeve-shaped structures; the fixed connection section is sleeved and fixed on the first rod body, and a circle of steps are formed on the outer peripheral wall of the fixed connection section; the limiting section is abutted against the end face of the first rod body and is sleeved on the second rod body, and the second locking sleeve is sleeved on the limiting section and can form axial limiting along the second rod body together with the step.

In one embodiment, a buffer structure is fixed at one end of the second rod body, and the outer peripheral wall of the buffer structure elastically abuts against the inner peripheral wall of the first rod body.

In one embodiment, the buffer structure comprises:

the fixing piece is fixed in the second rod body and positioned in the first rod body, and a clamping groove is formed in the outer peripheral wall of the fixing piece;

the buffer piece is sleeved on the fixing piece, and the outer peripheral wall of the buffer piece is elastically abutted against the inner peripheral wall of the first rod body; the internal perisporium of bolster is formed with elasticity protruding edge, just elasticity protruding edge elastic joint in the draw-in groove.

In one embodiment, the first rod body at one end of the lifting rod in the axial direction is rotatably connected to the lamp holder, and the lamp cap is rotatably connected to the second rod body at the other end of the lifting rod in the axial direction; the lamp holder is provided with a first side and a second side which are adjacent, the first rod body can rotate around the lamp holder, so that the first rod body and the second rod body are folded and contained at the first side of the lamp holder; the lamp cap can rotate around the second rod body so as to be folded and contained at the second side of the lamp holder when the first rod body and the second rod body are contained in the lamp holder.

In one embodiment, the lifting type lighting device further comprises a lock catch, wherein the lock catch comprises a locking frame fixed on the lamp holder and two elastic arms elastically hinged to the locking frame, and the two elastic arms elastically abut against two opposite sides of the first rod body or the second rod body.

In one embodiment, the locking frame is provided with a rotating shaft, and a spring is sleeved on the rotating shaft; the elastic arm is rotatably connected to the rotating shaft, and two ends of the spring are respectively connected to the locking frame and the elastic arm.

In one embodiment, a limiting sleeve is sleeved on the first rod body and/or the second rod body, and a limiting bulge is formed on the outer peripheral wall of the limiting sleeve; the elastic arm is in a hook shape, hooks the limiting protrusion and elastically abuts against the limiting protrusion.

The embodiment of the application provides a lifting lighting device's beneficial effect lies in: compared with the prior art, the first locking sleeve and the second locking sleeve are sleeved on the first rod body and the second rod body of the lifting rod in a one-to-one correspondence mode respectively, the second locking sleeve is arranged in an eccentric mode and can move relative to the second rod body, when the lifting rod is subjected to lifting operation, the first rod body and the second rod body move relatively in the axial direction to meet the height requirement of the whole lifting rod, then the second locking sleeve is pulled to enable the second locking sleeve to move on the second rod body, the second locking sleeve is sleeved on the first locking sleeve to form axial limiting with the first locking sleeve, and due to the fact that the second locking sleeve is in an eccentric mode, the second locking sleeve can incline relative to the second rod body, the second locking sleeve clamps the second rod body, and therefore self-locking limiting of the first rod body and the second rod body in the axial direction is achieved, and therefore after the first rod body and the second rod body are locked, the second locking sleeve inclines relative to the second rod body and is sleeved on the first locking sleeve, so that the overall lifting and locking operation of the lifting rod is very simple and fast, the lifting and positioning operation of the lamp cap is also very simple and fast, and complex operation is not needed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a perspective view of a lifting type lighting device provided in an embodiment of the present application in a deployed state;

FIG. 2 is a structural diagram of the elevating rod of the elevating lighting device shown in FIG. 1 in a self-locking state;

FIG. 3 is a block diagram of the elevating rod of the elevating lighting device shown in FIG. 1 in an unlocked state;

FIG. 4 is a cross-sectional view of FIG. 2;

fig. 5 is a perspective structural view of a second locking sleeve of the elevating type lighting device provided in the embodiment of the present application;

fig. 6 is a front view of a second locking sleeve of the elevating lighting device provided in the embodiment of the present application;

FIG. 7 is an exploded view of FIG. 2;

fig. 8 is a perspective view of a fixing member of the elevating lighting device according to an embodiment of the present disclosure;

fig. 9 is a perspective view of a buffer member of the elevating type lighting device according to the embodiment of the present application;

fig. 10 is a perspective view of the elevating type lighting device provided in the embodiment of the present application in a storage state;

fig. 11 is a perspective view of a lock catch of the elevating lighting device according to the embodiment of the present application;

fig. 12 is a partial structure view of the latch of fig. 11 engaged with the first rod or the second rod.

Wherein, in the figures, the respective reference numerals:

1-a lifting rod; 11-a self-locking assembly; 111-a first locking sleeve; 1111-a fixed connection section; 1112-a limiting section; 1113-first step; 1114 — a second step; 112-a second locking sleeve; 1121-central section; 1122-eccentric section; 12-a first rod; 13-a second rod; 14-a buffer structure; 141-a fixing member; 1411-card slot; 1412-a first convex part; 1413-a second protrusion; 142-a buffer member; 1421-elastic ledge; 1422-body section; 1423-gap; 1424-gap; 2-a lamp holder; 201-a first side; 202-a second side; 203-third side; 204-a receiving groove; 3-a lamp holder; 4, locking and buckling; 41-locking frame; 42-a resilient arm; 43-rotating shaft; 44-a spring; 5-a limiting sleeve; 51-limit protrusion.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

For explaining the technical scheme of the application, the following detailed description is made in conjunction with the specific drawings and the embodiments:

referring to fig. 1 to 4, the lifting lighting device according to the embodiment of the present application includes a lifting rod 1, a lamp holder 2, and a lamp cap 3, wherein one end of the lifting rod 1 along an axial direction is connected to the lamp holder 2, and the lamp cap 3 is connected to the other end of the lifting rod 1 along the axial direction. The lifting rod 1 comprises a self-locking assembly 11 and at least two rod bodies, the at least two rod bodies are sequentially movably sleeved along the axial direction of the rod bodies, and when the lifting operation is carried out, the two adjacent rod bodies can move relatively to realize the overall lifting operation of the lifting rod 1, namely the lifting operation of the lamp cap 3 on the lifting rod 1. The two adjacent rod bodies are respectively a first rod body 12 and a second rod body 13, the first rod body 12 at one end of the lifting rod 1 along the axial direction is connected to the lamp holder 2, and the second rod body 13 at the other end of the lifting rod 1 along the axial direction is connected to the lamp holder 3.

The self-locking assembly 11 includes a first locking sleeve 111 and a second locking sleeve 112, and the first locking sleeve 111 is sleeved on the first rod 12 and fixed relative to the first rod 12. The second locking sleeve 112 is sleeved on the second rod 13 and can move on the second rod 13. In the axial direction of the second locking sleeve 112, a section of the second locking sleeve 112 close to the first locking sleeve 111 is eccentric, that is, the central axis of a section of the second locking sleeve 112 close to the first locking sleeve 111 does not coincide with the central axis of the second rod 13, so that the second locking sleeve 112 can be inclined relative to the second rod 13. The second locking sleeve 112 can be sleeved on the first locking sleeve 111.

During operation, the lifting rod 1 is unfolded relative to the lamp holder 2, and the lamp holder 3 is arranged above the lamp holder 2. The second locking sleeve 112 moves on the second rod 13 to move toward the first locking sleeve 111 and is sleeved on the first locking sleeve 111, and at this time, the second locking sleeve 112 inclines relative to the second rod 13, so that the second locking sleeve 112 and the second rod 13 are fixed and limited in the axial direction of the second rod 13, that is, the second locking sleeve 112 blocks the second rod 13. Moreover, the second locking sleeve 112 is sleeved on the first locking sleeve 111, so that the second locking sleeve 112 and the first locking sleeve 111 are relatively fixed and limited in the axial direction of the second rod body 13, and thus, the second locking sleeve 112 is inclined and sleeved on the first locking sleeve 111, and the self-locking limit of the first rod body 12 and the second rod body 13 in the axial direction is formed. In this embodiment, the axial directions of the lifting rod 1 are shown as the direction x and the direction y in fig. 3, that is, the axial directions of the first rod 12, the second rod 13, the first locking sleeve 111 and the second locking sleeve 112 are all shown as the direction x and the direction y. And, the direction y is a direction in which the first locking sleeve 111 faces the second locking sleeve 112 in the axial direction, the direction x is a direction in which the second locking sleeve 112 faces the first locking sleeve 111 in the axial direction, and the direction x and the direction y are opposite. It should be noted that, in the present embodiment, the second rod 13 and the first rod 12 are sleeved with each other, and at least a portion of the second rod 13 is disposed above the first rod 12, before the first locking sleeve 111 and the second locking sleeve 112 are sleeved and locked, the second locking sleeve 112 is disposed above the first locking sleeve 111, and then the direction x is downward and the direction y is upward. So, second lock sleeve 112 can be automatically downward along the activity of the second body of rod 13 in order to cup joint on first lock sleeve 111 under the action of gravity, and second lock sleeve 112 can incline in order to the second body of rod 13 automatically relatively under the action of gravity, that is, second lock sleeve 112 is when being stirred gently, then can be under the effect of self gravity the activity in order to cup joint in first lock sleeve 111 and relative second body of rod 13 slope, thereby it is spacing to realize the automatic locking of the first body of rod 12 and the second body of rod 13 in the axial, also be the auto-lock operation between the first body of rod 12 and the second body of rod 13. Therefore, the lifting rod 1 can realize the function of quick self-locking on the basis of realizing height adjustment, and the use convenience is very high.

In this embodiment, the first rod 12 is sleeved outside the second rod 13, and at least a portion of the second rod 13 extends into the first rod 12. In other embodiments, the second rod 13 may also be sleeved outside the first rod 12, that is, at least a portion of the first rod 12 extends into the second rod 13.

In the embodiment of the present application, the first locking sleeve 111 and the second locking sleeve 112 are respectively sleeved on the first rod body 12 and the second rod body 13 of the lifting rod 1 in a one-to-one correspondence manner, the second locking sleeve 112 is configured to be eccentric and can move relative to the second rod body 13, when the lifting rod 1 is lifted, the first rod body 12 and the second rod body 13 move relative to each other along the axial direction to meet the height requirement of the whole lifting rod 1, then the second locking sleeve 112 is pulled to move the second locking sleeve 112 on the second rod body 13, the second locking sleeve 112 is sleeved on the first locking sleeve 111 to form an axial limit with the first locking sleeve 111, and because the second locking sleeve 112 is eccentric, the second locking sleeve 112 can tilt relative to the second rod body 13 at this time, the second locking sleeve 112 clamps the second rod body 13, so as to realize the self-locking limit of the first rod body 12 and the second rod body 13 in the axial direction, that is to say, stir second lock sleeve 112 gently and can realize the spacing operation of auto-lock of the first body of rod 12 and the second body of rod 13, consequently, first body of rod 12 and the second body of rod 13 are after accomplishing the locking, second lock sleeve 112 is relative second body of rod 13 slope and cup joint on first lock sleeve 111 for the holistic lift of lifter 1 and locking operation are very simple, fast, also be the lift of lamp holder 3, positioning operation is very simple, fast, need not numerous and diverse operation then can realize quick auto-lock.

Referring to fig. 4 to fig. 6, in the present embodiment, the second locking sleeve 112 includes a central section 1121 and an eccentric section 1122 fixedly connected in sequence along the axial direction, the central section 1121 and the eccentric section 1122 are both sleeve-shaped structures, the central section 1121 and the eccentric section 1122 are integrally formed, the central section 1121 and the eccentric section 1122 are sequentially sleeved on the second rod 13 along the direction x, and the eccentric section 1122 is used for sleeving the first locking sleeve 111. The central axis of the eccentric section 1122 and the central axis of the central section 1121 are not overlapped, and the distance from a point on at least part of the inner peripheral wall of the eccentric section 1122 in the direction x to the central axis of the central section 1121 is increased after being decreased in the circumferential direction, so when the eccentric section 1122 is sleeved on the second rod body 13, the distance between at least part of the inner peripheral wall of the eccentric section 1122 and the outer peripheral wall of the second rod body 13 is also increased after being decreased in the circumferential direction, so that the eccentric section 1122 can be sleeved with the first locking sleeve 111 under the action of self gravity, and is inclined relative to the second rod body 13 to block the second rod body 13, thereby realizing the self-locking limit of the first rod body 12 and the second rod body 13 in the axial direction.

Referring to fig. 4 to fig. 6, in the present embodiment, at least a portion of the inner peripheral wall of the eccentric section 1122 in the direction x is configured as a conical surface having an inner diameter gradually increasing along the direction from the eccentric section 1122 to the first lock sleeve 111, that is, the inner peripheral wall of at least a portion of the eccentric section 1122 is a conical surface having an inner diameter gradually increasing along the direction x, so that the inner diameter of at least a portion of the inner hole of the eccentric section 1122 gradually increases along the direction x, and thus, the distance between the inner peripheral wall of the eccentric section and the outer peripheral wall of the second rod body 1122 increases gradually along the direction x before the second lock sleeve 112 tilts with respect to the second rod body 13, which is beneficial to providing a space for the second lock sleeve 112 to tilt with respect to the second rod body 13.

At least a part of the outer peripheral wall of the first locking sleeve 111 is configured as a conical surface with an outer diameter gradually decreasing in the direction from the first locking sleeve 111 toward the eccentric section 1122, that is, at least a part of the outer peripheral wall of the first locking sleeve 111 in the direction y is configured as a conical surface with an inner diameter gradually decreasing in the direction y, so that at least a part of the first locking sleeve 111 is tapered in the direction y, and at least a portion of the first locking sleeve 111 that contracts extends into at least a portion of the inner bore of the eccentric section 1122 that expands, so as to achieve the engagement of the eccentric portion 1122 to the first locking sleeve 111 by gravity, so that when the second locking sleeve 112 is slightly pulled, the second locking sleeve 112 can move in the direction x relative to the second rod 13, and the eccentric section 1122 is automatically sleeved on the first locking sleeve 111 under the action of gravity of itself, so that the first rod body 12 and the second rod body 13 are quickly and simply self-locked.

Referring to fig. 4 and fig. 7, in the present embodiment, the first locking sleeve 111 includes a fixed section 1111 and a limiting section 1112 fixed to each other, the fixed section 1111 and the limiting section 1112 are both sleeve-shaped structures, and the fixed section 1111 and the limiting section 1112 are integrally formed. In this embodiment, the first rod 12 is sleeved outside the second rod 13. The fixed connection section 1111 is sleeved on the first rod 12 and fixed to the first rod 12 by a fastener, and a circle of step is formed on the outer peripheral wall of the fixed connection section 1111 and is the first step 1113. The limiting section 1112 is fixed to the fixing section 1111, a circle of steps is formed on the inner peripheral wall of the limiting section 1112, the steps are second steps 1114, and the second steps 1114 abut against the end surface of the first rod 12 in the direction y, so that the fixing of the limiting section 1112 and the first rod 12 is enhanced. Moreover, when the first rod 12 is sleeved on the second rod 13, the position-limiting section 1112 is sleeved on the second rod 13. During operation, second lock sleeve 112 is movable relative to the second body of rod 13 under the effect of gravity, so that eccentric section 1122 of second lock sleeve 112 cup joints in spacing section 1112, and eccentric section 1122 can offset tightly with first step 1113 at the ascending terminal surface of direction x, in order to form spacing on the direction x, realize also that second lock sleeve 112 is spacing on direction x for first lock sleeve 111, strengthen the intensity when eccentric section 1122 cup joints in spacing section 1112, avoid second lock sleeve 112 to last to move about on the second body of rod 13 and lead to the phenomenon that second lock sleeve 112 can't block the second body of rod 13 well, it is spacing so to strengthen the auto-lock of first body of rod 12 and second body of rod 13. Here, it should be noted that the outer peripheral wall of the stopper 1112 is configured as a conical surface whose inner diameter is gradually reduced in the direction y.

Referring to fig. 4 and 7, in the embodiment, a buffer structure 14 is fixed at one end of the second rod 13 in the direction x, when the first rod 12 is sleeved on the second rod 13, at least a portion of the second rod 13 extends into the first rod 12, at this time, the buffer structure 14 also extends into the first rod 12, and an outer peripheral wall of the buffer structure 14 elastically abuts against an inner peripheral wall of the first rod 12, so that the circumferential position of the first rod 12 and the second rod 13 is improved, and the first rod 12 and the second rod 13 are prevented from shaking each other when in use to affect the use effect. Wherein, because buffer structure 14's elasticity performance, when second body of rod 13 moved about first body of rod 12 in the axial, buffer structure 14 also moved about in first body of rod 12, buffer structure 14 and the elasticity butt of the internal perisporium of first body of rod 12 help realizing buffer structure 14's activity, avoid realizing that first body of rod 12 and second body of rod 13 are spacing and make first body of rod 12 and the unable relative motion of second body of rod 13 in the axial.

Referring to fig. 4 and fig. 7 to 9, in the present embodiment, the buffering structure 14 includes a fixing element 141 and a buffering element 142. The fixing element 141 is fixed at one end of the second rod 13 along the direction x, the fixing element 141 is located in the first rod 12, and a ring of engaging grooves 1411 is formed on the outer peripheral wall of the fixing element 141. The buffer member 142 is sleeved on the fixing member 141, a circle of elastic protruding edge 1421 is formed on the inner peripheral wall of the buffer member 142, and the elastic protruding edge 1421 is elastically clamped in the clamping groove 1411, so as to fix the buffer member 142 and the fixing member 141. Moreover, the outer peripheral wall of the buffer 142 elastically abuts against the inner peripheral wall of the first rod 12, so that the buffer 142 and the first rod 12 are circumferentially limited, that is, the first rod 12 and the second rod 13 are circumferentially limited.

In a specific embodiment, a circle of first protrusions 1412 and a circle of second protrusions 1413 are formed on the outer circumferential wall of the fixing member 141 at intervals, the first protrusions 1412 and the second protrusions 1413 are distributed at intervals along the direction x, and the locking grooves 1411 are formed by the first protrusions 1412 and the second protrusions 1413 at intervals. At least a portion of the fixing element 141 extends into the second rod 13, and an end surface of the second rod 13 in the direction x abuts against the first protrusion 1412, so that the fixing element 141 and the second rod 13 are axially limited. The elastic convex edge 1421 of the buffer 142 is clamped in the clamping groove 1411, and abuts against the first convex edge and the second convex edge along the axial direction, so that the clamping strength of the elastic convex edge 1421 and the clamping groove 1411 is enhanced.

It should be further noted that the buffer member 142 includes a body portion 1422 and the elastic protruding edge 1421, the elastic protruding edge 1421 is disposed on an inner peripheral wall of one end of the body portion 1422, an outer peripheral wall of the body portion 1422 elastically abuts against an inner peripheral wall of the first rod 12, and a gap 1423 is formed between the elastic protruding edge 1421 and the inner peripheral wall of the other end of the body portion 1422, which is favorable for achieving the elastic clamping operation of the elastic protruding edge 1421, and is also favorable for achieving the elastic performance of the body portion 1422, so that the outer peripheral wall of the body portion 1422 elastically abuts against the inner peripheral wall of the first rod 12, and the circumferential spacing between the first rod 12 and the second rod 13 is enhanced.

It should be noted that, referring to fig. 9, the peripheral wall of the body portion 1422 of the buffer 142 is formed with a notch 1424, which is helpful for achieving the buffering performance of the body portion 1422.

Referring to fig. 1 and 10, a first rod 12 of the lifting rod 1 at one end in the axial direction is rotatably connected to the lamp holder 2, and the lamp cap 3 is rotatably connected to a second rod 13 of the lifting rod 1 at the other end in the axial direction. The lamp holder 2 has a first side 201 and a second side 202 adjacent to each other, the first rod 12 can rotate around the lamp holder 2 to adjust the angle of the lamp holder 2 relative to the lamp holder 3 according to the use requirement of the lamp holder, and the first rod 12 can also rotate around the lamp holder 2 to fold and store the first rod 12 and the second rod 13 at the first side 201 of the lamp holder 2. The lamp head 3 is rotatably connected to the second rod 13, the lamp head 3 can rotate around the second rod 13 to adjust the irradiation direction, and when the first rod 12 and the second rod 13 of the lifting rod 1 are folded and stored in the lamp holder 2, the lamp head 3 can rotate around the second rod 13 to be folded and stored in the second side 202 of the lamp holder 2.

It should be noted here that, during operation, according to the use requirement, when the lifting rod 1 rotates around the lamp holder 2 to adjust the relative angle between the lifting rod 1 and the lamp holder 2, so that the lamp holder 3 moves to the upper side of the lamp holder 2 under the driving of the first rod body 12 and the second rod body 13 of the lifting rod 1, at this time, the lamp holder 3 can rotate around the second rod body 13 to adjust the irradiation direction thereof, and in addition, the first rod body 12 and the second rod body 13 move relatively along the axial direction to realize the telescopic operation of the lifting rod 1, so that the lamp holder 3 moves to the preset height under the extending operation of the lifting rod 1. When the portable lighting device is stored, the first rod body 12 and the second rod body 13 move relatively to shrink the lifting rod 1 and shrink to the shortest, the first rod body 12 of the lifting rod 1 rotates around the lamp holder 2 to be stored in the first side 201 of the lamp holder 2 in a folding mode, then the lamp holder 3 rotates around the second rod body 13 to be stored in the second side 202 of the lamp holder 2 in a folding mode, therefore, the lifting rod 1 and the lamp holder 3 are stored in two adjacent side faces of the lamp holder 2 in a folding mode respectively, the lifting rod 1 is in the shortest state at the moment, and the size of the portable lighting device after storage is reduced to the greatest extent.

In a specific embodiment, the lamp socket 2 further has a third side 203, the first side 201 and the second side 202 are adjacent to each other in sequence, and the third side 203 and the second side 202 are opposite sides of the lamp socket 2. The first rod 12 of the lifting rod 1 is rotatably connected to the third side 203 of the lamp holder 2, so that when the lifting rod 1 is retracted and folded to be accommodated on the first side 201 of the lamp holder 2, the lifting rod 1 extends along the distribution direction of the second side 202 and the third side 203 to be arranged on the first side 201 of the lamp holder 2, and the volume of the mobile lamp after being accommodated can be maximally reduced.

In a specific embodiment, a receiving groove 204 for receiving the lifting rod 1 is concavely formed on the first side 201 of the lamp holder 2, and the receiving groove 204 penetrates through the lamp holder 2 along the distribution direction of the second side 202 and the third side 203. When the first rod 12 of the lifting rod 1 rotates around the lamp holder 2 to be folded and stored at the first side 201 of the lamp holder 2, the first rod 12, the second rod 13 and the self-locking assembly 11 of the lifting rod 1 are all contained in the containing groove 204, that is, the lifting rod 1 is embedded into the lamp holder 2, so that the volume of the mobile lamp after being folded and stored is reduced to the maximum.

Referring to fig. 11 and 12, in the present embodiment, the lifting lighting device further includes a latch 4, the latch 4 includes a locking frame 41 and two elastic arms 42 hinged to the locking frame 41, the locking frame 41 is fixed on the lamp holder 2, and the two elastic arms 42 elastically abut against two opposite sides of the first rod 12 or the second rod 13. It should be noted here that, during operation, the locking frame 41 is fixed on the lamp holder 2, the first rod 12 or the second rod 13 is disposed between the two elastic arms 42, the two elastic arms 42 tightly support the first rod 12 or the second rod 13 along the radial opposite sides of the first rod 12 or the second rod 13 under the elastic action, so that the first rod 12 or the second rod 13 is limited on the lamp holder 2, and the elastic tightly supporting operation of the elastic arms 42 can strengthen the fixing force of the first rod 12 or the second rod 13. In this embodiment, the two elastic arms 42 are hinged to the locking frame 41 and have elasticity, so that the first rod 12 or the second rod 13 can be disposed between the two elastic arms 42 by directly pulling the elastic arms 42, and the two elastic arms 42 automatically abut against the first rod 12 or the second rod 13 to fix the first rod 12 or the second rod 13, that is, to fix and store the lifting rod 1. Correspondingly, the elastic arm 42 is slightly pulled to release the first rod 12 or the second rod 13, so that the fixing and releasing operations are very simple and convenient, and the structure of the whole lock catch 4 is very simple.

In this embodiment, the number of the locking frame 41 is one, the two elastic arms 42 are disposed on the locking frame 41 at intervals, the locking frame 41 is fixed on the lamp holder 2, and when the first rod 12 or the second rod 13 needs to be fixed, the first rod 12 or the second rod 13 can be accommodated on the locking frame 41 and located between the two elastic arms 42. In other embodiments, two locking frames 41 may be provided, two locking frames 41 are provided at intervals, and two elastic arms 42 are respectively provided on two locking frames 41 in one-to-one correspondence, so that when fixing is required, the first rod 12 or the second rod 13 is provided between two locking frames 41, and the two elastic arms 42 elastically abut against each other to realize fixing.

In the embodiment, the lock catch 4 is disposed in the accommodating groove 204, and the two elastic arms 42 are respectively disposed on the groove walls of the accommodating groove 204 at two opposite sides. When the first rod 12 and the second rod 13 are folded and stored in the accommodating groove 204, at this time, the first rod 12 or the second rod 13 is accommodated on the locking frame 41, and the elastic arms 42 on the groove walls on the two opposite sides of the accommodating groove 204 respectively elastically abut against the two opposite sides of the first rod 12 or the second rod 13, so that the first rod 12 or the second rod 13 is fixed in the accommodating groove 204, that is, the lock catch 4 fixes and limits the lifting rod 1 after being folded and stored. In other embodiments, the latch 4 may also be disposed on the third side 203 of the lamp holder 2, and when the lifting rod 1 is in the unfolded state relative to the lamp holder 2, the elastic arm 42 of the latch 4 fixes the first rod 12 or the second rod 13 of the lifting rod 1 on the third side 203 of the lamp holder 2, so as to achieve the fixing and limiting of the lifting rod 1 when being unfolded, so as to facilitate the use of the lamp head 3.

Referring to fig. 11 and 12, in the present embodiment, the locking frame 41 is provided with a rotating shaft 43, and the rotating shaft 43 is sleeved with a spring 44. The elastic arm 42 is rotatably coupled to the rotating shaft 43, and both ends of the spring 44 are coupled to the locking bracket 41 and the elastic arm 42, respectively. When the lamp holder works, the elastic arm 42 is toggled, the elastic arm 42 rotates around the rotating shaft 43 under the action of external force, at this time, the elastic arm 42 extrudes the spring 44, so that the spring 44 is in an extruded and force-storing state, when the first rod body 12 or the second rod body 13 is accommodated between the two elastic arms 42 and the elastic arm 42 is released, the elastic arm 42 elastically abuts against the first rod body 12 or the second rod body 13 under the reset action of the spring 44, and therefore the first rod body 12 or the second rod body 13 is fixed on the lamp holder 2. Accordingly, when the first rod 12 or the second rod 13 needs to be released, the elastic arm 42 needs to be pulled.

Referring to fig. 11 and 12, in the present embodiment, the first rod 12 and/or the second rod 13 is sleeved with the position-limiting sleeve 5, and two position-limiting protrusions 51 are formed on the outer peripheral wall of the position-limiting sleeve 5. The elastic arms 42 are hook-shaped, and the two elastic arms 42 are elastically abutted against the two limiting protrusions 51 one by one under the elastic action, and hook the limiting protrusions 51, so as to enhance the fixation between the elastic arms 42 and the limiting sleeve 5, that is, the fixation between the elastic arms 42 and the first rod body 12 or the second rod body 13.

It should be further noted that the position limiting sleeve 5 can move in the axial direction relative to the first rod 12 or the second rod 13, so that the position limiting sleeve 5 can move to the preset position of the first rod 12 or the second rod 13 in the axial direction, and at this time, the lock catch 4 locks the position limiting sleeve 5, so as to fix the preset position of the first rod 12 or the second rod 13 in the axial direction and the lock catch 4, thereby improving the flexibility of fixing the first rod 12 or the second rod 13 on the lamp holder 2.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A lifting type lighting device is characterized by comprising a lamp holder, a lifting rod connected with the lamp holder and a lamp cap arranged on the lifting rod; the lifting rod comprises a self-locking assembly and at least two rod bodies which are sequentially movably sleeved along the axial direction, and the adjacent two rod bodies are respectively a first rod body and a second rod body; the first rod body at one end of the lifting rod along the axial direction is connected to the lamp holder, and the second rod body at the other end of the lifting rod along the axial direction is connected to the lamp cap; the self-locking assembly comprises a first locking sleeve and a second locking sleeve, the first locking sleeve is sleeved on the first rod body, and the second locking sleeve is movably sleeved on the second rod body; the second lock sleeve is arranged to be close to one section of the first lock sleeve and is in an eccentric shape, and the second lock sleeve is sleeved on the first lock sleeve and is opposite to the second rod body to incline so as to form the first rod body and the second rod body are self-locked and limited in the axial direction.

2. The lifting type illuminating device according to claim 1, wherein the second locking sleeve comprises a central section and an eccentric section which are fixedly connected in sequence along the axial direction, and the central section and the eccentric section are both sleeve-shaped structures and are sleeved on the second rod body in sequence; the distance from a point on at least part of the inner peripheral wall of the eccentric section to the central axis of the central section is increased after being reduced in the circumferential direction, and the eccentric section is sleeved on the first locking sleeve.

3. The elevating lighting device as set forth in claim 2, wherein at least a portion of the inner peripheral wall of the eccentric section is configured as a conical surface having an inner diameter gradually increasing in a direction toward the first locking collar along the eccentric section, and at least a portion of the outer peripheral wall of the first locking collar is configured as a conical surface having an outer diameter gradually decreasing in a direction toward the eccentric section along the first locking collar.

4. The elevating lighting device according to claim 1, wherein the first locking sleeve comprises a fixed connection section and a limiting section fixed to each other, and the fixed connection section and the limiting section are both sleeve-shaped structures; the fixed connection section is sleeved and fixed on the first rod body, and a circle of steps are formed on the outer peripheral wall of the fixed connection section; the limiting section is abutted against the end face of the first rod body and is sleeved on the second rod body, and the second locking sleeve is sleeved on the limiting section and can form axial limiting along the second rod body together with the step.

5. The elevating lighting device as set forth in claim 1, wherein a buffer structure is fixed to one end of the second rod, and an outer peripheral wall of the buffer structure elastically abuts against an inner peripheral wall of the first rod.

6. The elevating lighting device as set forth in claim 5, wherein the buffer structure comprises:

7. The elevating lighting device as set forth in any one of claims 1-6, wherein said elevating rod is pivotally connected to said lamp base at said first axial end, and said lamp head is pivotally connected to said second axial end of said elevating rod; the lamp holder is provided with a first side and a second side which are adjacent, the first rod body can rotate around the lamp holder, so that the first rod body and the second rod body are folded and contained at the first side of the lamp holder; the lamp cap can rotate around the second rod body so as to be folded and contained at the second side of the lamp holder when the first rod body and the second rod body are contained in the lamp holder.

8. The elevating lighting device as claimed in any one of claims 1 to 6, further comprising a latch, wherein the latch comprises a locking bracket fixed to the lamp holder and two resilient arms resiliently hinged to the locking bracket, and the two resilient arms resiliently abut against opposite sides of the first rod or the second rod.

9. The elevating lighting device as set forth in claim 8, wherein the locking frame is provided with a rotating shaft, and the rotating shaft is sleeved with a spring; the elastic arm is rotatably connected to the rotating shaft, and two ends of the spring are respectively connected to the locking frame and the elastic arm.

10. The elevating type illuminating device as claimed in claim 8, wherein a limiting sleeve is sleeved on the first rod body and/or the second rod body, and a limiting protrusion is formed on the outer peripheral wall of the limiting sleeve; the elastic arm is in a hook shape, hooks the limiting protrusion and elastically abuts against the limiting protrusion.