CN112797338B - Lighting device - Google Patents

Lighting device Download PDF

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Publication number
CN112797338B
CN112797338B CN201911108830.5A CN201911108830A CN112797338B CN 112797338 B CN112797338 B CN 112797338B CN 201911108830 A CN201911108830 A CN 201911108830A CN 112797338 B CN112797338 B CN 112797338B
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CN
China
Prior art keywords
clamping
mounting frame
circuit board
frame body
power circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201911108830.5A
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Chinese (zh)
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CN112797338A (en
Inventor
丁树林
张玮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Priority to CN201911108830.5A priority Critical patent/CN112797338B/en
Priority to JP2020138018A priority patent/JP6967742B2/en
Publication of CN112797338A publication Critical patent/CN112797338A/en
Application granted granted Critical
Publication of CN112797338B publication Critical patent/CN112797338B/en
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Classifications

    • 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
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor

Abstract

The present invention relates to a lighting device. The lighting device comprises an installation frame body, a power supply loop board, a light source board and a spring, wherein the power supply loop board and the light source board are arranged on the installation frame body in a clamping manner, the spring is arranged between the installation frame body and the power supply loop board, and the spring is in a compression state in the clamping direction of the power supply loop board, the light source board and the installation frame body so that the power supply loop board, the light source board and the installation frame body maintain a stable clamping relationship. The lighting device is convenient to assemble, high in assembly efficiency and high in overall stability.

Description

Lighting device
Technical Field
The invention relates to the technical field of illumination, in particular to an illumination device which is convenient to assemble and high in assembly efficiency.
Background
The lighting device is widely applied in daily life, and along with the improvement of the living standard of people, the variety of the lighting device is also increasing.
Existing lighting devices (e.g., GX53 lamps) have many components, such as a mounting frame, a power circuit board, a light source board, a mounting bracket, a heat sink, a lamp housing, etc., that are typically connected or bonded by fasteners (e.g., screws). This makes assembly of the lighting device inconvenient and assembly efficiency low.
Disclosure of Invention
Based on the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a lighting device with convenient assembly and high assembly efficiency.
Therefore, the invention provides the following technical scheme.
The invention provides a lighting device, which comprises a mounting frame body, a power supply loop board, a light source board and springs,
the power supply loop board and the light source board are arranged on the mounting frame body in a clamping manner,
the spring is arranged between the mounting frame body and the power circuit board,
the springs are in a compressed state in the clamping direction of the power circuit board, the light source board and the mounting frame body so that the power circuit board, the light source board and the mounting frame body maintain a stable clamping relationship.
In at least one embodiment, the lighting device further comprises an insulating support,
the power supply circuit board and the light source board are arranged at intervals in the axial direction of the mounting frame body, the insulating support is arranged between the power supply circuit board and the light source board in the axial direction, the insulating support is connected with the mounting frame body and the light source board in a clamping mode respectively, and the power supply circuit board abuts against the insulating support under the elastic action of the spring.
In at least one embodiment, the mounting frame is provided with a clamping mechanism, and the insulating support and the power circuit board are connected with the mounting frame in a clamping manner through the clamping mechanism.
In at least one embodiment, the clamping mechanism comprises at least two flexible clamping columns which can elastically deform in the radial direction and approach or separate from each other in the radial direction,
a first clamping hole is formed in the power circuit board along the axial direction, a second clamping hole is formed in the insulating support along the axial direction, the first clamping hole and the second clamping hole are oppositely arranged in the axial direction,
the at least two flexible clamping columns are inserted into the first clamping holes and the second clamping holes, so that the insulating support and the power circuit board are connected with the mounting frame body in a clamping mode.
In at least one embodiment, the spring is sleeved on the at least two flexible clamping columns.
In at least one embodiment, a limiting post is disposed on the mounting frame, and the limiting post extends along the axial direction and is used for limiting the power circuit board.
In at least one embodiment, a plurality of clamping mechanisms are arranged at intervals along the circumferential direction of the mounting frame body; and/or
The clamping mechanism and the mounting frame body are integrally formed.
In at least one embodiment, the mounting frame is provided with pins, the power circuit board is provided with female terminals,
the pins are connected with a circuit on the power circuit board by being spliced with the female terminals.
In at least one embodiment, the lighting device further comprises a lamp shade, and the lamp shade is connected with the mounting frame body in a clamping mode.
In at least one embodiment, an elastic sealing ring is arranged between the lampshade and the mounting frame body.
By adopting the technical scheme, the invention provides the lighting device, and the power supply loop board and the light source board in the lighting device are arranged on the mounting frame body in a clamping manner, so that the lighting device is convenient to assemble and high in assembly efficiency. In addition, the spring in a compressed state is arranged between the mounting frame body and the power circuit board, so that the instability caused by the formation of a gap (possibly caused by temperature or humidity change or possibly caused by manufacturing errors) between the clamping mechanism and the parts clamped by the clamping mechanism can be avoided as much as possible, and the stability and the reliability of clamping are improved.
Drawings
Fig. 1 shows a schematic structure of a lighting device according to the present invention.
Fig. 2 shows an exploded view of fig. 1.
Fig. 3 shows a cross-sectional view of one of the positions of fig. 1.
Fig. 4 shows a cross-sectional view of another position of fig. 1.
Description of the reference numerals
1, installing a frame body; 11 a first barrel portion; a 111 clamping groove; 12 a second barrel portion; 13 a connection plate portion;
2, a power supply loop board; 21 horizontal part; 211 female terminals; 212 a first clamping hole; 213 wires; 22 vertical portions;
3, an insulating bracket; 31 a second clamping hole; 311 first holes; 312 a second hole; 32 first snap;
4, a light source plate; 41 conductive connections;
5 a clamping mechanism; 51 flexible clip posts; 511 columnar portion; 512 taper; 52 fixing portions;
6, a spring; 7, limiting the column; 8 stitches;
9, a lampshade; 91 second catch.
Detailed Description
Exemplary embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that these specific descriptions are merely illustrative of how one skilled in the art may practice the invention, and are not intended to be exhaustive of all of the possible ways of practicing the invention, nor to limit the scope of the invention.
Reference to "up" and "down" in this disclosure is based on the perspective of fig. 1.
A specific embodiment of the lighting device according to the present invention is described in detail below with reference to fig. 1 to 4.
In the present embodiment, as shown in fig. 1, 2 and 3, the lighting device according to the present invention includes a mounting frame 1, a power circuit board 2, an insulating bracket 3, a light source board 4, a click mechanism 5, a spring 6, a stopper post 7, pins 8 and a globe 9.
In the present embodiment, as shown in fig. 2 and 3, the entire mounting frame 1 has a substantially stepped tubular shape, and includes a first tubular portion 11, a second tubular portion 12, and a connection plate portion 13. The diameter of the first tube portion 11 is larger than that of the second tube portion 12, and the lower end of the first tube portion 11 is connected to the upper end of the second tube portion 12 via the connection plate portion 13.
As shown in fig. 4, the pins 8 are provided so as to penetrate the connection plate portion 13 in the axial direction of the mounting frame 1, and the pins 8 and the power circuit board 2 are electrically connected. In this embodiment, two pins 8 are provided, and the two pins 8 are disposed, for example, at an interval of about 180 degrees in the circumferential direction of the mounting frame 1.
In the present embodiment, as shown in fig. 2 and 3, the power supply circuit board 2, the insulating holder 3, and the light source board 4 are disposed in the mounting frame 1 in this order (from bottom to top) along the axial direction of the mounting frame 1. Wherein, a spring 6 is arranged between the power circuit board 2 and the installation frame body 1.
As shown in fig. 2, the power circuit board 2 includes a horizontal portion 21 and a vertical portion 22. The horizontal portion 21 having a substantially circular shape as a whole is provided perpendicularly to the axial direction of the mounting frame body 1, and the vertical portion 22 having a substantially rectangular shape as a whole is provided extending downward perpendicularly to the horizontal portion 21 from the lower surface of the horizontal portion 21. Wherein the horizontal portion 21 is located in the cylindrical space of the first cylindrical portion 11 and the vertical portion 22 extends from the cylindrical space of the first cylindrical portion 11 into the cylindrical space of the second cylindrical portion 12. It will be appreciated that the provision of the second barrel portion 12 accordingly allows the power circuit board 2 to have a vertical portion 22, and further more circuit structures may be arranged.
As shown in fig. 2 and 4, the horizontal portion 21 is provided with a female terminal 211. The upper ends of the PINs 8 (i.e., PIN PINs) are plugged into the female terminals 211 and are connected to the circuits in the power circuit board 2. Of these, there are two female terminals 211, and the two female terminals 211 are disposed at intervals of, for example, about 180 degrees in the circumferential direction of the horizontal portion 21. In this way, the pins 8 can be directly connected with the circuits in the power circuit board 2 after the power circuit board 2 is installed, no additional other connection operation is needed, and the assembly of the lighting device is further simplified.
As shown in fig. 2 and 3, the horizontal portion 21 is provided with a first clamping hole 212 along an axial direction thereof, and the clamping mechanism 5 passes through the first clamping hole 212, and the power circuit board 2 is connected to the mounting frame 1 by the clamping mechanism 5. The number of the first clamping holes 212 may be three, and the three first clamping holes 212 may be uniformly spaced apart in the circumferential direction of the horizontal portion 21.
It should be understood that "the power circuit board 2 is connected to the mounting frame body 1 by the clamping mechanism 5 in a clamping manner" includes both that the power circuit board 2 is connected to the mounting frame body 1 by being directly contacted with the clamping mechanism 5 and that the power circuit board is connected to the mounting frame body 1 by being indirectly connected to the mounting frame body 1 by being abutted against the insulating bracket 3 and the clamping mechanism 5 as shown in fig. 3.
In the present embodiment, as shown in fig. 4, two wires 213 are provided above the horizontal portion 21, and the two wires 213 are used to connect to the light source board 4, thereby supplying power to the light source on the light source board 4.
In the present embodiment, as shown in fig. 3, the insulating holder 3 having a substantially circular shape as a whole is provided above the power circuit board 2 perpendicularly to the axial direction of the mounting frame 1.
As shown in fig. 2 and 3, the insulating holder 3 includes a second snap hole 31 and a first snap 32. The second clamping hole 31 and the first clamping hole 212 are oppositely arranged in the axial direction of the installation frame body 1, and the clamping mechanism 5 penetrates through the first clamping hole 212 and the second clamping hole 31, so that the insulating support 3 and the power circuit board 2 are connected with the installation frame body 1 in a clamping mode. It is understood that the number of the second clamping holes 31 and the clamping mechanisms 5 may be three, and the three second clamping holes 31 may be uniformly spaced along the circumferential direction of the insulating bracket 3.
It should be understood that "the insulating bracket 3 and the power circuit board 2 are in clamping connection with the mounting frame body 1 together" is that the insulating bracket 3 is in direct clamping contact with the clamping mechanism 5 in practice, and the power circuit board 2 is in clamping connection with the mounting frame body 1 indirectly through the clamping and holding of the insulating bracket 3, so that no fastening member such as a screw or the like is utilized between the power circuit board 2 and the mounting frame body 1.
In the present embodiment, as shown in fig. 2 and 3, a spring 6 extending in the axial direction of the mounting frame 1 is fitted over the locking mechanism 5, both ends of the spring 6 are connected to the mounting frame 1 and the power circuit board 2, respectively, and the spring 6 is in a compressed state in the locking direction (the engagement-disengagement direction, i.e., the axial direction of the mounting frame 1) of the power circuit board 2 and the light source board 4 with the mounting frame 1, so that the power circuit board 2 and the light source board 4 maintain a stable locking relationship with the mounting frame 1. Thus, when there is a gap (incomplete clamping) between the insulating bracket 3 and the power circuit board 2 after being mounted and the clamping mechanism 5 due to manufacturing errors, or there is a gap (different materials are manufactured and different thermal expansion coefficients and moisture absorption coefficients) between the insulating bracket 3 and the power circuit board 2 and the clamping mechanism 5 due to temperature or humidity changes, the spring 6 can play a role in compensation, so that the clamping mechanism 5 can always stably and reliably clamp the power circuit board 2 and the insulating bracket 3 on the mounting frame body 1, and the stability and balance of mounting of the light source board 4 can be correspondingly improved due to the clamping of the insulating bracket 3 and the light source board 4.
As shown in fig. 2 and 3, the first buckle 32 is disposed at an outer periphery of the insulating bracket 3, and the insulating bracket 3 is connected to the light source board 4 in a clamping manner through the first buckle 32. Wherein, there may be, for example, three first snaps 32, and the three first snaps 32 may be disposed at regular intervals along the circumference of the insulating holder 3.
In the present embodiment, as shown in fig. 3, the light source plate 4 having a substantially circular shape as a whole is provided above the insulating holder 3 perpendicularly to the axial direction of the mounting frame 1. The light source board 4 is provided with an LED lamp.
In this embodiment, as shown in fig. 4, two conductive connection portions 41 are further disposed on the light source board 4, and the wires 213 pass through the light source board 4 upward and then are connected to the conductive connection portions 41, so as to supply power to the LED lamps on the light source board 4. It will be appreciated that the conductive connecting portion 41 may be provided with a slot, and the conductive wire 213 may be bent and snapped into the slot to achieve connection.
In the present embodiment, as shown in fig. 2 and 3, the number of the click mechanisms 5 may be three, and the three click mechanisms 5 may be disposed at regular intervals in the circumferential direction of the mounting frame 1.
Each of the snap mechanisms 5 includes two flexible snap legs 51 and a fixing portion 52. The fixing portion 52 is connected to the connecting plate portion 13, and two flexible clip posts 51 extend upward from the upper end of the fixing portion 52 in the axial direction of the mounting frame 1. The clamping mechanism 5 can be integrally formed with the mounting frame 1.
The two flexible card posts 51 can be brought close to each other in the radial direction thereof by an external force, and can be restored to the original state when the external force is removed.
As shown in fig. 3, the flexible card post 51 includes a columnar portion 511 and a tapered portion 512. One end of the columnar portion 511 is connected to the fixed portion 52, and the other end is provided with a tapered portion 512.
The second clamping hole 31 is a stepped hole and comprises a first hole 311 and a second hole 312, wherein the aperture of the first hole 311 is smaller than that of the second hole 312.
It will be appreciated that, when the power circuit board 2 is mounted, the first clamping hole 212 can press the tapered portion 512 to elastically deform the two flexible clamping columns 51 in the radial direction thereof so as to approach each other, so that the tapered portions 512 of the two flexible clamping columns 51 can pass through the first clamping hole 212, and when the tapered portion 512 moves through the first clamping hole 212, the two flexible clamping columns 51 are away from each other in the radial direction thereof, so that the tapered portions 512 of the two flexible clamping columns 51 can clamp the upper surface of the power circuit board 2.
When the insulating holder 3 is further mounted, the first hole 311 in the second clamping hole 31 can press the tapered portion 512 so that the two flexible clamping columns 51 elastically deform in the radial direction thereof to approach each other, so that the tapered portions 512 of the two flexible clamping columns 51 can pass through the first hole 311, and when the tapered portion 512 moves into the second hole 312, the two flexible clamping columns 51 can move away from each other in the radial direction thereof, so that the tapered portions 512 of the two flexible clamping columns 51 can clamp the stepped surface between the second hole 312 and the first hole 311.
In the present embodiment, as shown in fig. 3, the stopper post 7 extends from the upper surface of the connection plate portion 13 away from the connection plate portion 13 in the axial direction of the mounting frame 1. When the power circuit board 2 or the insulating bracket 3 is mounted, the limiting post 7 can axially limit the power circuit board 2, prevent the spring 6 from being damaged by excessive compression, and prevent the vertical portion 22 from striking the bottom plate of the mounting frame 1. Wherein, the limit posts 7 may be, for example, three, and the three limit posts 7 may be disposed at regular intervals in the circumferential direction of the mounting frame body 1.
In the present embodiment, as shown in fig. 2 and 3, the second buckle 91 is provided at the lower end of the lamp housing 9, the clamping groove 111 is provided at the upper portion of the first barrel 11, and the lamp housing 9 is connected to the upper end of the first barrel 11 by the engagement between the second buckle 91 and the clamping groove 111. Wherein, the second buckles 91 may be, for example, three, and the three second buckles 91 may be uniformly spaced apart along the circumference of the lamp housing 9.
In the present embodiment, an elastic seal ring (not shown in the drawings) may be provided between the lamp housing 9 and the first barrel portion 11. In this way, on the one hand, the tightness of the lighting device can be ensured, and on the other hand, the lamp shade 9 and the first barrel portion 11 can be clamped stably, that is, the elastic sealing ring can play a role in compensation, and a gap (possibly caused by temperature or humidity changes or manufacturing errors) between the second buckle 91 and the first barrel portion 11 is avoided.
By adopting the technical scheme, the lighting device provided by the invention has at least the following advantages:
(1) In the lighting device, the power supply loop board and the light source board in the lighting device are arranged on the mounting frame body in a clamping manner, so that the lighting device is convenient to assemble and high in assembly efficiency. In addition, the spring in a compressed state is arranged between the mounting frame body and the power circuit board, so that gaps between the clamping mechanism and parts clamped by the clamping mechanism can be avoided as much as possible (instability is caused, and the stability and reliability of clamping are improved).
(2) In the lighting device of the invention, the insulating bracket is arranged between the power supply circuit board and the light source board, so that the short circuit between the power supply circuit board and the light source board can be prevented.
(3) In the lighting device, the power circuit board and the insulating support are clamped on the mounting frame body simultaneously by the clamping mechanism with the two flexible clamping columns, the clamping structure is simple, and the power circuit board and the insulating support are very convenient to mount.
(4) In the lighting device, the limiting column is arranged, so that the spring is prevented from being crushed when the power circuit board and the insulating bracket are installed, and the vertical part of the power circuit board can be prevented from being collided with the bottom plate of the installation frame body.
(5) In the lighting device, the spring is directly sleeved on the flexible clamping column of the clamping mechanism, so that the working stability of the spring can be improved.
The above specific embodiments have described the technical solutions of the present invention in detail, but it is also required to supplement the description that:
(1) Although the two stitches are disposed at about 180 degrees apart in the circumferential direction of the horizontal portion in the above-described embodiment, the present invention is not limited thereto, and the two stitches may be disposed at other angles apart in the circumferential direction of the horizontal portion.
(2) Although the insulating bracket is provided between the power circuit board and the light source board in the above embodiment, the present invention is not limited to this, and the power circuit board and the light source board may be directly clamped together by the above-described clamping mechanism 5 without providing the insulating bracket. In addition, the power supply loop board and the light source board can be directly connected with the mounting frame body in a clamping way through different clamping mechanisms.
(3) Although the number of the first clamping holes, the second clamping holes, the clamping mechanisms, the first buckles, the second buckles and the limiting columns is three in the above embodiment, the invention is not limited to this, and the number of the first clamping holes, the second clamping holes, the clamping mechanisms, the first buckles, the second buckles and the limiting columns can be two, four or other numbers according to the actual situation.
(4) Although the spring is directly sleeved on the clamping mechanism in the above embodiment, the invention is not limited to this, and the spring may be separately provided from the clamping mechanism, or a guide post may be additionally provided, and the spring is sleeved on the guide post. When the springs are provided separately, the snap-in mechanism may be configured in a similar manner to the first or second catch.
(5) Although the number of the flexible card posts is two in the above embodiment, the present invention is not limited thereto, and the number of the flexible card posts may be three, four or more.
(6) Although the above embodiment has described the engagement mechanism as being integrally formed with the mounting frame, the present invention is not limited to this, and the engagement mechanism may be provided separately from the mounting frame.
(7) Although the positional relationship between the respective components is described above in the upper and lower relationship in the drawings, it should be understood that this is for convenience only in describing the relative positional relationship between the respective components. The posture in the drawings does not limit the actual installation posture of the lighting device of the present invention. For example, in one example, the lighting device may be mounted with the lamp housing facing downward, and in another example, the lighting device may be mounted with the lamp housing substantially vertical or inclined with respect to the vertical.

Claims (8)

1. The lighting device is characterized by comprising a mounting frame body (1), a power supply loop board (2), an insulating bracket (3), a light source board (4), a clamping mechanism (5) and a spring (6),
the power circuit board (2) and the light source board (4) are arranged on the installation frame body (1) in a clamping manner, the clamping mechanism (5) is connected with the installation frame body (1), the clamping mechanism (5) comprises a columnar portion (511) and a conical portion (512), the columnar portion (511) is connected with the conical portion (512), the power circuit board (2) is sleeved on the columnar portion (511),
the spring (6) is arranged along the axial direction of the mounting frame body (1) in an extending mode and sleeved on the clamping mechanism (5), the spring (6) is arranged between the mounting frame body (1) and the power circuit board (2),
the power supply circuit board (2) and the light source board (4) are arranged at intervals in the axial direction of the mounting frame body (1),
the insulating bracket (3) is arranged between the power supply loop board (2) and the light source board (4) in the axial direction,
the insulating bracket (3) is respectively connected with the mounting frame body (1) and the light source board (4) in a clamping way, the insulating bracket (3) and the power circuit board (2) are connected with the mounting frame body (1) in a clamping way through the clamping mechanism (5),
a second clamping hole (31) is formed in the insulating support (3) along the axial direction, the second clamping hole (31) is a stepped hole, the conical part (512) clamps the stepped surface of the stepped hole,
the spring (6) is in a compressed state in the clamping direction of the power circuit board (2) and the light source board (4) and the mounting frame body (1), the spring (6) in the compressed state enables the conical part (512) and the step surface of the step hole to maintain stable clamping contact, and the power circuit board (2) abuts against the insulating support (3) under the elastic action of the spring (6).
2. A lighting device as claimed in claim 1, characterized in that the snap-in mechanism (5) comprises at least two flexible snap-in posts (51), which at least two flexible snap-in posts (51) are elastically deformable in their radial direction towards or away from each other in said radial direction,
a first clamping hole (212) is formed in the power circuit board (2) along the axial direction, the first clamping hole (212) and the second clamping hole (31) are oppositely arranged along the axial direction,
the at least two flexible clamping columns (51) are inserted into the first clamping holes (212) and the second clamping holes (31), so that the insulating support (3) and the power circuit board (2) are connected with the mounting frame body (1) in a clamping mode.
3. A lighting device according to claim 2, characterized in that the spring (6) is sleeved on the at least two flexible card posts (51).
4. A lighting device as claimed in any one of claims 1 to 3, characterized in that a limit post (7) is provided on the mounting frame (1), the limit post (7) extending in the axial direction for limiting the power circuit board (2).
5. A lighting device as claimed in any one of claims 1 to 3, characterized in that there are a plurality of said snap-in mechanisms (5), a plurality of said snap-in mechanisms (5) being arranged at intervals along the circumference of said mounting frame (1); and/or
The clamping mechanism (5) and the mounting frame body (1) are integrally formed.
6. A lighting device as claimed in any one of claims 1 to 3, characterized in that the mounting frame (1) is provided with pins (8), the power circuit board (2) is provided with female terminals (211),
the pins (8) are connected with a circuit on the power circuit board (2) by being plugged with the female terminals (211).
7. A lighting device as claimed in any one of claims 1 to 3, characterized in that the lighting device further comprises a lamp housing (9), the lamp housing (9) being snap-connected with the mounting frame (1).
8. A lighting device as claimed in claim 7, characterized in that an elastic sealing ring is arranged between the lamp housing (9) and the mounting frame (1).
CN201911108830.5A 2019-11-13 2019-11-13 Lighting device Active CN112797338B (en)

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CN201911108830.5A CN112797338B (en) 2019-11-13 2019-11-13 Lighting device
JP2020138018A JP6967742B2 (en) 2019-11-13 2020-08-18 Lighting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911108830.5A CN112797338B (en) 2019-11-13 2019-11-13 Lighting device

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CN112797338A CN112797338A (en) 2021-05-14
CN112797338B true CN112797338B (en) 2023-08-01

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