CN114033996B - Adjustable ceiling lamp convenient to rotate - Google Patents

Adjustable ceiling lamp convenient to rotate Download PDF

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Publication number
CN114033996B
CN114033996B CN202111390129.4A CN202111390129A CN114033996B CN 114033996 B CN114033996 B CN 114033996B CN 202111390129 A CN202111390129 A CN 202111390129A CN 114033996 B CN114033996 B CN 114033996B
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CN
China
Prior art keywords
chute
rotating shaft
shaft
light
connecting rod
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Active
Application number
CN202111390129.4A
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Chinese (zh)
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CN114033996A (en
Inventor
胡华
吴天源
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NVC Lighting Technology Corp
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NVC Lighting Technology Corp
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Application filed by NVC Lighting Technology Corp filed Critical NVC Lighting Technology Corp
Priority to CN202111390129.4A priority Critical patent/CN114033996B/en
Publication of CN114033996A publication Critical patent/CN114033996A/en
Application granted granted Critical
Publication of CN114033996B publication Critical patent/CN114033996B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

The invention relates to the field of lamps, in particular to an adjustable ceiling lamp convenient to rotate. The light source comprises a light body assembly, a mounting front ring, a light reflecting cup and a double-chute rotating mechanism, wherein the double-chute rotating mechanism comprises a guide connecting rod and an offset shaft, one end of the guide connecting rod is rotationally connected with a rotating shaft arranged on the outer wall of the mounting front ring, and the other end of the guide connecting rod is fixedly connected with the light body assembly; the middle part of the guide connecting rod is also provided with a first chute, the outer wall of the installation front ring is provided with a second chute, the offset shaft is movably arranged in the first chute and the second chute in a penetrating way, and when the guide connecting rod rotates around the rotating shaft, the offset shaft slides in the first chute and the second chute simultaneously. According to the invention, the double-chute rotating mechanism is arranged on the adjustable ceiling lamp, so that the lamp body assembly at the upper part can rotate around the rotating shaft, and the angle adjustment is maximally satisfied on the premise of limited space along with shaft deflection in the rotating process, and the waste of light rays is considered, so that the actual light emitting efficiency is improved.

Description

Adjustable ceiling lamp convenient to rotate
Technical Field
The invention relates to the field of lamps, in particular to a double-chute rotating mechanism and an adjustable ceiling lamp convenient to rotate.
Background
The adjustable ceiling lamp is a recessed lamp with the lighting angle being adjustable according to the lighting requirement, so that the lamp can be matched with the decoration style and the use scene better, and is deeply favored by consumers in the field of lamps. Most of the current common adjustable ceiling lamps convenient to rotate only adopt single-shaft rotation, and the single-shaft rotation can cause the range setting of the adjusting angle to be inconvenient, the required adjusting angle is limited, and the requirements cannot be met; the overlarge rotation angle is easy to occur, so that the light rays of the lamp body cannot be emitted, and energy efficiency is wasted; and when the single-axis rotation, the weight of the lamp body and the radiator is all supported on the rotating shaft, the abrasion to the rotating shaft is also large, and the phenomenon of unstable stress can occur in the rotation process. In addition, in order to accommodate the lamp body when the lamp body rotates; the adjustable ceiling lamp convenient to rotate is required to be provided with notch parts at the corresponding positions of a front ring (a face ring) and a reflecting cup below the lamp body; in order to prevent the light leakage of the notch portion, a light shielding structure is generally added, and when the lamp body rotates, the fixed light shielding structure can interfere with the lamp body.
Disclosure of Invention
The invention provides an adjustable ceiling lamp which is convenient to rotate, and aims to solve the problem that the single-shaft rotation in the background technology can make the setting of the range of the adjusting angle inconvenient. The invention can more effectively utilize space to adjust the rotation angle and avoid light blocking.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an adjustable ceiling lamp convenient to rotate, includes lamp body subassembly, installation front ring, reflection of light cup and two spout slewing mechanism, two spout slewing mechanism includes direction connecting rod and skew axle, the one end of direction connecting rod with the axis of rotation that is equipped with on the installation front ring outer wall is rotated and is connected, the other end with lamp body subassembly fixed connection so that lamp body subassembly can rotate around the axis of rotation, the installation front ring is close to be equipped with on the lateral wall of lamp body subassembly one end be used for matching lamp body subassembly rotation space's breach portion, the inside of installation front ring has the cavity, reflection of light cup installs in the cavity; the middle part of the guide connecting rod is also provided with a first chute, the outer wall of the installation front ring is provided with a second chute at a position corresponding to the first chute, the sliding direction of the first chute is mutually perpendicular to that of the second chute, the offset shaft is movably penetrated in the first chute and the second chute at the same time, and when the guide connecting rod rotates around the rotating shaft, the offset shaft slides in the first chute and the second chute at the same time. Thus, assuming that the second chute is a horizontal chute and the first chute is a vertical chute, the offset shaft slides in the vertical direction when sliding in the first chute, and the offset shaft slides in the horizontal direction when sliding in the second chute; when the adjustable ceiling lamp is particularly used, the lamp body component of the adjustable ceiling lamp is connected with the rotating shaft of the front mounting ring through the guide connecting rod in the double-chute rotating mechanism, so that the adjustable ceiling lamp can stably rotate around the rotating shaft through the guide connecting rod; and a part of the gravity of the lamp body assembly can be shared by the offset shaft and the mounting front ring; the stress and loss of the rotating shaft can be reduced.
Further, the offset shaft comprises a shaft lever and limiting locking parts which are arranged at two ends of the shaft lever and used for preventing the shaft lever from dislocation from the first sliding groove or the second sliding groove. Therefore, the limiting and locking part can ensure that the offset shaft cannot axially dislocation and stably rotate.
Further, one end of the first chute overlaps one end of the second chute; the sliding direction of the first sliding groove is parallel to the guide connecting rod. In this way, the guide link is generally disposed in the vertical direction, and then the first slide groove is located on the guide link, and the sliding direction of the offset shaft in the first slide groove is in the vertical direction.
Further, the lamp body assembly comprises a lamp cap, a light guide cover and a radiator, the other end of the guide connecting rod is fixedly connected with the outer wall of the radiator, one end of the lamp cap is connected with the radiator, the other end of the lamp cap is in butt joint with one end of the light guide cover, and the other end of the light guide cover extends into the opening of the light reflecting cup.
Further, in order to solve when the lamp body rotates, fixed shading structure can cause the problem of interference to the lamp body, the reflector cup is the funnel form, the reflector cup includes the reflector cup body and the reflector cup is close to the removal light blocking piece of chamfer on the tip lateral wall of lamp body, the inner wall of removal light blocking piece with the outer wall of light guide cover corresponding position offsets and holds, the lateral wall of removal light blocking piece with the lateral wall of reflector cup body is connected through the rotation link mechanism that is equipped with.
Further, the rotating connecting rod mechanism comprises a rotating shaft connecting rod, a first rotating shaft arranged on the outer wall of the reflecting cup body and a second rotating shaft arranged on the outer wall of the movable light blocking piece, rotating hole positions are formed in two ends of the rotating shaft connecting rod, the rotating hole positions are respectively connected with the first rotating shaft and the second rotating shaft in a rotating mode, and a reset torsion spring used for enabling the rotating shaft connecting rod to reset is further arranged between the first rotating shaft and the second rotating shaft and between the rotating shaft connecting rod.
Further, the end parts of the first rotating shaft and the second rotating shaft are also provided with limiting parts for preventing the rotating shaft connecting rod from dislocation.
Preferably, the light guide cover is of a hollow cylindrical structure.
Further, the guide connecting rod is sleeved at one end of the rotating shaft, a through hole is formed in the end of the rotating shaft, and one end of the rotating shaft penetrates through the through hole and is fixedly connected with the outer wall of the front mounting ring.
Further, the rotating shaft is a screw or a bolt, and the outer diameter of a nut of the rotating shaft is larger than the inner diameter of the through hole.
Compared with the prior art, the beneficial effects are that:
according to the invention, the double-chute rotating mechanism is arranged on the adjustable ceiling lamp, so that the lamp body assembly at the upper part can rotate around the rotating shaft, and the angle adjustment is maximally satisfied on the premise of limited space along with shaft deflection in the rotating process, the adjustment mode is novel, and the rotation adjustment is more stable and reliable; the waste of light rays is considered, and the actual light emitting efficiency is improved; and simple structure, low in manufacturing cost, the regulation mode is more stable, reduces the bearing and the wearing and tearing of axis of rotation.
Drawings
Fig. 1 is a schematic external structure of embodiment 1.
Fig. 2 is a schematic view of the structure of the lamp body assembly of embodiment 1 after rotation.
Fig. 3 is a schematic view of the internal structure of embodiment 1.
Fig. 4 is a schematic view showing the structure of the inside of the lamp body assembly of embodiment 1 after rotation.
Fig. 5 is a schematic structural diagram of a dual chute rotation mechanism in embodiment 1.
Fig. 6 is a schematic view of the structure of the guide link in embodiment 1 when it rotates.
Fig. 7 is an exploded view of the double chute turning mechanism of embodiment 1.
Fig. 8 is a schematic structural view of a reflector cup in example 2.
Fig. 9 is a schematic diagram of the structure of the reflector of embodiment 2 after the movable light blocking sheet is rotated.
Fig. 10 is an exploded view of the reflector cup of example 2.
Fig. 11 is a positional design relationship diagram of the first chute and the second chute in embodiment 1.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present invention and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.
The technical scheme of the invention is further specifically described by the following specific embodiments with reference to the accompanying drawings:
example 1
Referring to fig. 1 to 4, an adjustable ceiling lamp with convenient rotation provided in this embodiment includes a lamp body assembly 20, a fixed lamp holder 7 and a double-chute rotating mechanism, the fixed lamp holder 7 includes a reflective cup 30 and a front mounting ring 1, referring to fig. 5 to 7, the double-chute rotating mechanism includes a guide link 3 and an offset shaft 4, one end of the guide link 3 is rotatably connected with a rotating shaft 2 provided on an outer wall of the front mounting ring 1, the other end of the guide link 3 is fixedly connected with the lamp body assembly 20 so that the lamp body assembly 20 can rotate around the rotating shaft 2, a notch portion for matching with a rotating space of the lamp body assembly 20 is provided on an outer side wall of the front mounting ring 1, a cavity is provided in the front mounting ring 1, and the reflective cup 30 is mounted in the cavity; the middle part of the guide connecting rod 3 is also provided with a first chute 5, the outer wall of the front mounting ring 1 is provided with a second chute 6 at a position corresponding to the first chute 5, the sliding direction of the first chute 5 is mutually perpendicular to the sliding direction of the second chute 6, the offset shaft 4 is movably penetrated in the first chute 5 and the second chute 6 at the same time, and when the guide connecting rod 3 rotates around the rotating shaft 2, the offset shaft 4 slides in the first chute 5 and the second chute 6 at the same time.
The lamp body assembly 20 comprises a lamp cap 22, a light guide cover 23 and a radiator 21, the other end of the guide connecting rod 3 is fixedly connected with the outer wall of the radiator 21, one end of the lamp cap 22 is connected with the radiator 21, the other end of the lamp cap is in butt joint with one end of the light guide cover 23, and the other end of the light guide cover 23 extends into an opening of the light reflecting cup 30. In this embodiment, the light guide cover 23 has a hollow cylindrical structure with two open ends, and is used for guiding light, and the light reflecting cup 30 is used for totally reflecting the light emitted by the lamp cap 22, so as to increase the light emitting efficiency.
Referring to fig. 5 to 7, the dual-chute rotating mechanism in this embodiment includes a guide link 3 and an offset shaft 4, one end of the guide link 3 is rotatably connected with a rotating shaft 2 provided on the outer wall of the front mounting ring 1, a first chute 5 is further provided in the middle of the guide link 3, a second chute 6 is provided on the outer wall of the front mounting ring 1 corresponding to the first chute 5, the sliding direction of the first chute 5 is perpendicular to the sliding direction of the second chute 6, the offset shaft 4 is movably inserted into the first chute 5 and the second chute 6 at the same time, and when the guide link 3 rotates around the rotating shaft 2, the offset shaft 4 slides in the first chute 5 and the second chute 6 at the same time. The design of the double-chute rotating mechanism is that the shaft is offset in the rotating process, and the adjustment is maximally satisfied on the premise of limited space; and the adjusting mode breaks through novelty, and the rotation adjustment is more stable and reliable. In this embodiment, the front mounting ring 1 is used for providing a mounting position for the rotating shaft 2 in the rotating process, and the product according to practical application can be in any shape, generally, the first sliding chute 5 is located in the vertical direction, the second sliding chute 6 is located in the horizontal direction, the guiding connecting rod 3 rotates around the rotating shaft 2 in the rotating process, the offset shaft 4 slides along the second sliding chute 6 in the horizontal direction in the rotating process, and simultaneously slides along the first sliding chute 5 in the vertical direction, and the shaft offset is accompanied in the rotating process, so that the adjustment requirement is met maximally under the premise of limited space.
In a specific working process, the lamp body component 20 of the adjustable ceiling lamp is connected with the rotating shaft 2 on the mounting front ring 1 through the guide connecting rod 3 in the double-chute rotating mechanism, so that the adjustable ceiling lamp can stably rotate around the rotating shaft 2 through the guide connecting rod 3; and a part of the weight of the lamp body assembly 20 is shared by the offset shaft 4 and the mounting front ring 1; the stress and loss of the rotating shaft 2 can be reduced.
In this embodiment, the offset shaft 4 includes a shaft and a limiting locking portion 41 provided at two ends of the shaft for preventing the shaft from dislocating from the first chute 5 or the second chute 6. One end of the first chute 5 overlaps one end of the second chute 6; the sliding direction (sliding plane) of the first slide groove 5 is parallel to the guide link 3. The other end of the second chute 6 extends from the horizontal direction to the side of the guide connecting rod 3 which needs to rotate; one end of the first chute 5 extends from the vertical direction toward the other end of the guide link 3.
One end of the guide connecting rod 3 connected with the rotating shaft 2 is provided with a through hole, and one end of the rotating shaft 2 passes through the through hole and is fixedly connected with the outer wall of the front mounting ring 1; the rotating shaft 2 is a screw or a bolt, and the outer diameter of a nut of the rotating shaft 2 is larger than the inner diameter of the through hole; the nut of the rotating shaft 2 is used for axially limiting the same.
In the embodiment, a specially designed double-chute rotating mechanism is applied to an adjustable ceiling lamp, and a mounting front ring 1 in the adjustable ceiling lamp is used as a mounting position for a rotating shaft 2 in the double-chute rotating mechanism; since the general mounting front ring 1 is annular as a whole, the mounting front ring 1 in this embodiment has a vertical or nearly vertical mounting plate 40 at a position corresponding to the dual-chute rotation mechanism, the second chute 6 is disposed on the mounting plate 40, and the size of the mounting plate 40 is limited due to space requirements, and the specific size design relationship in this embodiment refers to fig. 11, where:
a, the appearance property size; (known conditions)
Alpha: function planning and angle adjustment; (known conditions)
b, the length of the second chute 6;
c, the length of the first chute 5;
d, groove width;
e, the height of the chute;
t: the distance from the chute edge to the edge of the mounting tab 40;
under the precondition of opening and limiting the appearance size; then:
let the position O of the rotating shaft 2 be (0, 0)
Each keypoint coordinate:
b is less than or equal to a-t; (a > t > d/2+1); note that the value of t is as small as practical to avoid insufficient space
B＝(b,e)＝((a-t)cot(α),a-t)；
A＝(0,e)＝(0,e≤(a-t)cot(α))；
C= (0, e+c) = (0, ((a-t)/sin (α))), and the length of C may be greater than a minimum value.
According to the embodiment, the double-chute rotating mechanism is arranged on the adjustable ceiling lamp, so that the lamp body assembly 20 at the upper part can rotate around the rotating shaft 2, and the angle adjustment is maximally satisfied on the premise of limited space along with shaft deflection in the rotating process, and the waste of light rays is considered, so that the actual light emitting efficiency is improved; and simple structure, low in manufacturing cost, the regulation mode is more stable, reduces the bearing and the wearing and tearing of axis of rotation 2.
Example 2
This embodiment is similar to embodiment 1, except that:
in this embodiment, the light reflecting cup 30 is also improved correspondingly on the basis of embodiment 1, as shown in fig. 8 to 10, the light reflecting cup 30 is funnel-shaped, the light reflecting cup 30 includes a light reflecting cup body 31 and a movable light blocking piece 32 beveled on the outer side wall of the light reflecting cup 30 near the small opening end of the lamp body, the inner wall of the movable light blocking piece 32 abuts against the outer wall of the corresponding position of the light guiding cover 23, and the outer side wall of the movable light blocking piece 32 is connected with the outer side wall of the light reflecting cup body 31 through a provided rotating link mechanism 33.
The rotating link mechanism 33 comprises a rotating shaft link 34, a first rotating shaft 36 arranged on the outer wall of the reflecting cup body 31 and a second rotating shaft 35 arranged on the outer wall of the movable light blocking piece 32, rotating hole positions are respectively arranged at two ends of the rotating shaft link 34 and are respectively connected with the first rotating shaft 36 and the second rotating shaft 35 in a rotating way, and a reset torsion spring 37 for resetting the rotating shaft link 34 is also arranged between the first rotating shaft 36 and the second rotating shaft 35 and the rotating shaft link 34; the ends of the first and second shafts 36 and 35 are further provided with a stopper 38 for preventing dislocation of the shaft link 34. Generally, a supporting seat 39 is arranged at the corresponding position of the outer walls of the reflecting cup body 31 and the movable light blocking sheet 32, the first rotating shaft 36 and the second rotating shaft 35 are respectively arranged on the corresponding supporting seat 39, a reset torsion spring 37 is sleeved on the first rotating shaft 36 or the second rotating shaft 35, a first torsion arm of the reset torsion spring 37 is clamped on the supporting seat 39, a second torsion arm is clamped on the rotating connecting rod 33, so that the rotating shaft connecting rod 34 can rotate under the action of external force, and the automatic reset can be realized after the external force is removed; in this embodiment, the limiting member 38 is a generally C-shaped limiting wire, and the limiting wire is used to be inserted into limiting holes formed at the ends of the first rotating shaft 36 and the second rotating shaft 35. In other embodiments, the limiting member 38 may have other structures for limiting the rotation shaft link 34.
In this embodiment, a movable light blocking piece 32 is cut out from the light reflecting cup 30 along the inclined direction from the opening of the small opening end, and the movable light blocking piece 32 is connected with the light reflecting cup body 31 through the rotating link mechanism 33; when the lamp body assembly 20 irradiates vertically, the movable light blocking piece 32 just complements the notch at the corresponding position of the reflecting cup body 31, the movable light blocking piece 32 and the reflecting cup body form a complete funnel-shaped structure, and when the radiator 21 is pushed under the action of external force to start rotating the whole lamp body assembly 20, the light guide cover 23 rotates to one side and inclines, the movable light blocking piece 32 is pushed to rotate by the light guide cover 23, so that the effect of preventing light leakage can be always achieved; when the light guide cover 23 resets, the movable light blocking piece 32 can also reset under the action of the reset torsion spring 37, and through the ingenious design, the light blocking can be met, and the interference influence on the rotation of the lamp body assembly 20 is avoided.
Example 3
This embodiment is similar to embodiment 2, except that:
in this embodiment, the light guide cover 23 has a hollow elliptic cylindrical structure with two open ends, and the shape of the opening of the small opening end of the light reflecting cup 30 is matched with the port of the light guide cover 23. In other embodiments, the light guide cover 23 may have other shapes satisfying the light guide, and this is not shown here.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (8)

1. The utility model provides an adjustable ceiling lamp convenient to rotate, its characterized in that includes lamp body subassembly, installation front ring, reflection of light cup and two spout slewing mechanism, two spout slewing mechanism includes direction connecting rod and skew axle, the one end of direction connecting rod with the axis of rotation that is equipped with on the installation front ring outer wall is rotated and is connected, the other end with lamp body subassembly fixed connection so that lamp body subassembly can rotate around the axis of rotation, the installation front ring is close to be used for matching on the lateral wall of lamp body subassembly one end the breach portion of lamp body subassembly rotation space has, the inside of installation front ring has the cavity, reflection of light cup is installed in the cavity; the middle part of the guide connecting rod is also provided with a first chute, the outer wall of the mounting front ring is provided with a second chute at a position corresponding to the first chute, the sliding direction of the first chute is mutually perpendicular to that of the second chute, the offset shaft is movably penetrated in the first chute and the second chute at the same time, and when the guide connecting rod rotates around the rotating shaft, the offset shaft slides in the first chute and the second chute at the same time; the offset shaft comprises a shaft lever, and limiting locking parts which are arranged at two ends of the shaft lever and used for preventing the shaft lever from dislocation from the first sliding groove or the second sliding groove; one end of the first chute is overlapped with one end of the second chute; the sliding direction of the first sliding groove is parallel to the guide connecting rod.
2. The adjustable ceiling lamp of claim 1, wherein the lamp body assembly comprises a lamp cap, a light guide cover and a radiator, the other end of the guide connecting rod is fixedly connected with the outer wall of the radiator, one end of the lamp cap is connected with the radiator, the other end of the lamp cap is in butt joint with one end of the light guide cover, and the other end of the light guide cover extends into the opening of the reflecting cup.
3. The adjustable ceiling lamp convenient to rotate according to claim 2, wherein the light reflecting cup is funnel-shaped, the light reflecting cup comprises a light reflecting cup body and a movable light blocking piece which is obliquely cut out on the outer side wall of the light reflecting cup, which is close to the small opening end of the lamp body, the inner wall of the movable light blocking piece abuts against the outer wall of the corresponding position of the light guide cover, and the outer side wall of the movable light blocking piece is connected with the outer side wall of the light reflecting cup body through a rotating connecting rod mechanism.
4. The adjustable ceiling lamp of claim 3, wherein the rotating link mechanism comprises a rotating shaft link, a first rotating shaft arranged on the outer wall of the reflecting cup body and a second rotating shaft arranged on the outer wall of the movable light blocking piece, rotating hole positions are respectively arranged at two ends of the rotating shaft link, the rotating hole positions are respectively connected with the first rotating shaft and the second rotating shaft in a rotating manner, and a reset torsion spring for resetting the rotating shaft link is also arranged between the first rotating shaft and the second rotating shaft and between the rotating shaft link.
5. The adjustable roof light of claim 4, wherein the ends of the first and second shafts are further provided with a stop for preventing dislocation of the shaft link.
6. The tunable ceiling lamp of claim 4, wherein the light guide cover has a hollow cylindrical structure.
7. The adjustable ceiling lamp of claim 1, wherein the guide link has a through hole at one end thereof connected to the rotation shaft, and one end of the rotation shaft is fixedly connected to the outer wall of the mounting front ring through the through hole.
8. The adjustable roof light of claim 7, wherein the rotation shaft is a screw or a bolt, and the nut of the rotation shaft has an outer diameter larger than an inner diameter of the through hole.
CN202111390129.4A 2021-11-22 2021-11-22 Adjustable ceiling lamp convenient to rotate Active CN114033996B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111390129.4A CN114033996B (en) 2021-11-22 2021-11-22 Adjustable ceiling lamp convenient to rotate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111390129.4A CN114033996B (en) 2021-11-22 2021-11-22 Adjustable ceiling lamp convenient to rotate

Publications (2)

Publication Number Publication Date
CN114033996A CN114033996A (en) 2022-02-11
CN114033996B true CN114033996B (en) 2023-08-29

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Application Number Title Priority Date Filing Date
CN202111390129.4A Active CN114033996B (en) 2021-11-22 2021-11-22 Adjustable ceiling lamp convenient to rotate

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Country Link
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208222297U (en) * 2018-06-26 2018-12-11 李国富 Hanging device
CN208967567U (en) * 2018-08-23 2019-06-11 甫洛照明有限公司 A kind of wide-angle rotates freely Ceiling light
CN111895315A (en) * 2020-08-28 2020-11-06 广州雄智照明实业有限公司 Angle adjusting device for embedded lamp body

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3087187A1 (en) * 2017-12-27 2019-07-04 DMF, Inc. Methods and apparatus for adjusting a luminaire

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208222297U (en) * 2018-06-26 2018-12-11 李国富 Hanging device
CN208967567U (en) * 2018-08-23 2019-06-11 甫洛照明有限公司 A kind of wide-angle rotates freely Ceiling light
CN111895315A (en) * 2020-08-28 2020-11-06 广州雄智照明实业有限公司 Angle adjusting device for embedded lamp body

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