CN210624315U

CN210624315U - Lamp pearl fixed knot constructs and down lamp

Info

Publication number: CN210624315U
Application number: CN201921473515.8U
Authority: CN
Inventors: 侯守强; 温晓良; 董永哲
Original assignee: Xiamen Eco Lighting Co Ltd
Current assignee: Xiamen Eco Lighting Co Ltd; Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-05-26
Anticipated expiration: 2029-09-05

Abstract

The utility model provides a lamp pearl fixed knot constructs and down lamp relates to down lamp technical field, including compact heap and fixed part, the compact heap is used for compressing tightly the PCB connecting plate and fixes on a lamp section of thick bamboo, is equipped with on the compact heap and dodges the hole and dodge the groove, dodges the groove and extends to the outward flange of compact heap; the fixed part is connected on the pressing sheet, and is spanned with an avoiding groove for pressing the conducting wire. The utility model provides a lamp pearl fixed knot constructs, compress tightly the PCB connecting plate through the compressing tightly piece that links to each other with a lamp section of thick bamboo and fix on a lamp section of thick bamboo, it exposes to keep away the lamp pearl that the hole is used for making on the PCB connecting plate, be convenient for realize the illumination effect of lamp pearl to the region in below, it leaves line space of walking for the wire to keep away the groove, the setting of fixed part can be effectual carries out spacing fixed to the wire in the PCB connecting plate outside, the light of avoiding the wire to send the lamp pearl causes and stops, influence illumination brightness, this lamp pearl fixed knot constructs fixed mode simply, be convenient for guarantee the stability.

Description

Lamp pearl fixed knot constructs and down lamp

Technical Field

The utility model belongs to the technical field of the down lamp, more specifically say, relate to a lamp pearl fixed knot constructs and is equipped with this lamp pearl fixed knot constructs's down lamp.

Background

With the increasing aesthetic level of people, down lamps can be used in home or shop decoration. The down lamp is an illuminating lamp embedded into a ceiling, the light in the illuminating process is in a downward irradiation mode, and the down lamp has the greatest characteristic of keeping the whole unity and perfection of architectural decoration and keeping the perfect unity of ceiling art. The down lamp belongs to a directional lighting lamp, can receive light only on the opposite surface of the down lamp, has a light beam angle of light condensation, and has concentrated light rays and strong light-dark contrast; the illuminated object is more prominent, and the lumen degree is higher.

When current down lamp is fixing illuminating part lamp pearl, often fixed knot constructs comparatively complicatedly, and the installation degree of difficulty is great, and the lamp pearl appears along the skew of roof in the lamp section of thick bamboo very easily after the installation in addition, causes the lamp pearl unstability, problem that illuminating effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lamp pearl fixed knot constructs to the fixed degree of difficulty of lamp pearl of the down lamp that exists among the solution prior art is big, lamp pearl position unstable illumination effect is poor technical problem.

In order to achieve the above object, the utility model adopts the following technical scheme: the lamp bead fixing structure comprises a pressing sheet and a fixing part; the pressing piece is used for pressing and fixing the PCB connecting plate on the lamp barrel, an avoiding hole used for avoiding a lamp bead on the PCB connecting plate and an avoiding groove which is communicated with the avoiding hole and used for accommodating a lead are formed in the pressing piece, and the avoiding groove extends to the outer edge of the pressing piece; the fixing part is connected to the pressing sheet, spans the avoidance groove and is used for pressing the lead.

As a further optimization, the fixing part is arranged at the outer edge part of the lower surface of the pressing piece.

As a further optimization, the fixing part is an arc-shaped component extending along the circumferential direction of the pressing piece, and the inner side face of the fixing part is obliquely arranged outwards from top to bottom.

As further optimization, the avoiding hole is formed in the center of the pressing sheet, and the avoiding groove extends from the outer edge of the avoiding hole to the outer edge of the pressing sheet along the radial direction of the pressing sheet.

As further optimization, the avoiding grooves are provided with two and symmetrically arranged on two sides of the avoiding hole, and the fixing parts are also provided with two and symmetrically arranged on two sides of the avoiding hole.

As a further optimization, the width of the end, close to the avoidance hole, of the avoidance groove is larger than the width of the end, far away from the avoidance hole, of the avoidance groove.

As a further optimization, the top surface of the pressing piece is provided with a containing groove for containing the PCB connecting plate.

As a further optimization, the compressing sheet is also provided with a bulge which is arranged along the circumferential direction and is positioned at the inner side of the fixing part.

The down lamp comprises a lamp barrel and a lamp bead fixing structure; the top surface of the inner cavity of the lamp tube is provided with a PCB connecting plate, and the PCB connecting plate is provided with a lamp bead.

As a further optimization, the inner top surface of the lamp barrel is provided with a ring seat, and the top surface of the pressing sheet is provided with a matching groove which is arranged along the circumferential direction and is used for being in contact fit with the ring seat; the pressing sheet is also provided with a fitting part which is positioned at the periphery of the fitting groove and is used for fitting with the top surface of the lamp tube.

The utility model provides a lamp pearl fixed knot constructs's beneficial effect lies in: the utility model provides a lamp pearl fixed knot constructs, compress tightly the PCB connecting plate through the compressing tightly piece that links to each other with a lamp section of thick bamboo and fix on a lamp section of thick bamboo, keep away the hole and be used for making the lamp pearl on the PCB connecting plate expose, be convenient for realize the illumination effect of lamp pearl to the region in below, keep away the groove and has left away line space for the wire, the setting of fixed part can effectually carry out spacing fixed to the wire in the PCB connecting plate outside, avoid the light that the wire sent the lamp pearl to cause to block, influence illumination brightness.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced 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 without inventive labor.

Fig. 1 is a schematic structural view of a lamp bead fixing structure provided in an embodiment of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic bottom view of the structure of FIG. 2;

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

fig. 5 is a schematic top view of a lamp bead fixing structure provided by the second embodiment of the present invention;

FIG. 6 is a bottom view of the structure of FIG. 5;

FIG. 7 is a schematic cross-sectional view of B-B in FIG. 5;

fig. 8 is a schematic bottom view of a down lamp according to an embodiment of the present invention;

fig. 9 is a schematic sectional structure view of C-C in fig. 8.

Wherein, in the figures, the respective reference numerals:

100. a compression sheet; 110. avoiding holes; 120. an avoidance groove; 130. accommodating grooves; 140. a mating groove; 150. a bonding section; 160. a boss portion; 200. a fixed part; 610. a lamp barrel; 620. a PCB connecting plate; 630. a lamp bead; 640. a wire; 650. and (4) a ring seat.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 9, the lamp bead fixing structure of the present invention will now be described. The lamp bead fixing structure comprises a pressing sheet 100 and a fixing part 200; the pressing sheet 100 is used for pressing and fixing the PCB connecting plate 620 on the lamp barrel 610, the pressing sheet 100 is provided with an avoidance hole 110 used for avoiding the lamp bead 630 on the PCB connecting plate 620 and an avoidance groove 120 which is communicated with the avoidance hole 110 and used for accommodating the lead 640, and the avoidance groove 120 extends to the outer edge of the pressing sheet 100; the fixing portion 200 is connected to the pressing piece 100, and straddles the avoidance groove 120 to press the lead 640. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

The utility model provides a pair of lamp pearl fixed knot constructs, compared with the prior art, the utility model provides a lamp pearl fixed knot constructs, compress tightly PCB connecting plate 620 through the compact heap 100 that links to each other with a lamp section of thick bamboo 610 and fix on a lamp section of thick bamboo 610, it is used for making lamp pearl 630 on the PCB connecting plate 620 expose to dodge hole 110, be convenient for realize lamp pearl 630 and to the regional illumination effect in below, it has prescribed a limit to dodge groove 120 to the trend of wire 640, the setting of fixed part 200 can effectually carry out spacing fixed to the wire 640 in the PCB connecting plate 620 outside, avoid wire 640 to cause to block to the light that lamp pearl 630 sent, influence illumination brightness.

In this embodiment, the lamp beads 630 are in the form of a single COB lamp bead. The English full-spelling of COB is ChipOnBoard, and COB lamp pearl is the high light efficiency integrated surface lamp pearl technique of directly pasting the LED chip on mirror surface metal substrate of high reflectance, and this technique does not have electroless, no reflow soldering, does not have the paster process, therefore the process reduces nearly one third, and the cost has also practiced thrift one third. COB lamp pearl can simply be understood as high power integration face lamp pearl, can be according to the light surface area and the overall dimension of product appearance structural design lamp pearl. The English full spelling of the LED is Light Emitting Diode, and the Chinese translation is Light Emitting Diode; an LED chip is a solid-state semiconductor device.

The PCB connecting board 620 is also called a PCB board or a PCB connector, and is called a printed circuit board in all its english terms, and refers to a terminal used in electrical connection of a printed circuit board, which is a kind of accessory product for realizing electrical connection. In this embodiment, PCB connecting plate 620 is used for realizing being connected of lamp pearl 630 and external line, realizes switching on of circuit.

In this embodiment, the pressing plate 100 is detachably connected to the top surface of the inner cavity of the lamp barrel 610, the upper side refers to the side close to the top surface of the inner cavity of the lamp barrel 610, and the lower side refers to the side far from the top surface of the inner cavity of the lamp barrel 610. The pressing plate 100 and the lamp barrel 610 may be in a bolt connection form, and may also be in an adhesive or clamping form. PCB connecting plate 620 is used for fixed lamp pearl 630, and lamp pearl 630 is located PCB connecting plate 620's below, and its horizontal projection's area of coverage is less than the area of coverage of top PCB connecting plate 620. The avoiding hole 110 is a through hole which is through up and down and used for exposing the lamp bead 630, so that light can be emitted conveniently. The arrangement of the avoiding groove 120 is used for accommodating a wire 640 arranged at the side part of the PCB connecting plate 620, and the problem that the pressing sheet 100 is not firmly connected with the lamp tube 610 due to the top support of the wire 640 and is difficult to effectively fix the lamp bead 630 is avoided.

The setting of fixed part 200 is arranged in keeping the position stability from dodging the outer end of wire 640 that stretches out in groove 120, avoids the outer end of wire 640 to appear buckling and the problem of perk, and then avoids its light that sends lamp pearl 630 to cause the problem that blocks or disturb, also can guarantee the aesthetic property of the integral erection of down lamp simultaneously.

Referring to fig. 1 to 9, as an embodiment of the lamp bead fixing structure of the present invention, the fixing portion 200 is disposed at an outer edge portion of the lower surface of the pressing sheet 100. The fixing portion 200 is disposed over the avoiding groove 120, and the fixing portion 200 is disposed on the lower surface of the pressing piece 100 to avoid the pressing of the PCB connecting plate 620 due to the interference of the fixing portion 200 and the inner top surface of the lamp barrel 610. Its outward flange that sets up at holding-down piece 100 lower surface is effective spacing in order to realize the wire 640 outer end, guarantees the effect of avoiding the lamp pearl that wire 640 can be stable, and then guarantees the stability that the lamp pearl shines.

As a specific embodiment of the utility model provides a lamp pearl fixed knot constructs, fixed part 200 is the arc component along compressing tightly piece 100's circumference extension, and the medial surface top-down of fixed part 200 leans out the setting. In this embodiment, the fixing portion 200 is in the form of a segment of arc, and both ends of the fixing portion are respectively connected to the pressing sheet 100 on both sides of the avoiding groove 120, and the top surface of the fixing portion 200 and the bottom surface of the pressing sheet 100 have overlapping portions with a larger length, so that the connection strength is improved, the compacting effect is enhanced, and the strength requirement of the pressing sheet 100 in the whole circumferential direction can be ensured by matching with the protruding portion 160 divided by the avoiding groove 120.

Referring to fig. 1 to 3, 5 and 6, as a specific embodiment of the lamp bead fixing structure of the present invention, the avoiding hole 110 is disposed at the central portion of the pressing plate 100, and the avoiding groove 120 extends from the outer edge of the avoiding hole 110 to the outer edge of the pressing plate 100 along the radial direction of the pressing plate 100. Avoiding groove 120 to extend to the outer edge of compressing blade 100 along compressing blade 100's radial, wire 640 extends to the periphery of compressing blade 100 from the lateral part of PCB connecting plate 620 to finally link to each other with the pencil, realize switching on of circuit, therefore avoiding groove 120 to extend to the outer edge of compressing blade 100, adopt the form that extends along compressing blade 100's radial direction in this embodiment, can make the route of wire 640 shorter, reduce the loss of wire 640.

Referring to fig. 1 to 3, 5 and 6, as an embodiment of the lamp bead fixing structure of the present invention, two avoiding grooves 120 are symmetrically disposed on both sides of the avoiding hole 110, and two fixing portions 200 are symmetrically disposed on both sides of the avoiding hole 110. The avoiding grooves 120 are symmetrically disposed at both sides of the avoiding hole 110, and the fixing portions 200 are also symmetrically disposed at both sides of the avoiding hole 110. In this embodiment, the PCB connecting plate 620 is in the form of a rectangular component, the conductive wires 640 are divided into two parts respectively located at two opposite corners of the rectangle, and two avoidance slots 120 are symmetrically formed at positions on the pressing sheet 100 corresponding to the conductive wires 640, so as to effectively avoid the conductive wires 640 at two sides. The fixing portion 200 is arranged on the bottom surface of the pressing piece 100, stretches across the avoiding groove 120 and is connected with the pressing piece 100 on two sides of the avoiding groove 120 respectively, so that the effective pressing limit of the wire 640 can be achieved, the effective connection of the parts, located on two sides of the avoiding groove 120, of the pressing piece 100 can be achieved, and the integrity of the pressing piece 100 is guaranteed. The fixing portion 200 may be provided as two members respectively crossing the escape groove 120, or may be provided as one member that surrounds an annular shape, and the above-described effects can be achieved. When the fixing portion 200 is a ring-shaped member or a single member, the cross-sectional form thereof may be one of various forms such as a triangle, a rectangle, a square, and a trapezoid.

Referring to fig. 5 to 9, as a specific embodiment of the lamp bead fixing structure provided by the present invention, the width of the avoiding groove 120 near the end of the avoiding hole 110 is greater than the width of the avoiding groove 120 far from the end of the avoiding hole 110. This arrangement allows more room for the wires 640. Because there is a certain degree of error in the connection node between the PCB connection board 620 and the lead 640 when connecting the PCB connection board 620 and the lead 640, this arrangement can ensure that the connection point between the PCB connection board and the lead can be located in the avoidance groove 120.

Furthermore, an opening which is opened towards two sides is arranged at one end, away from the avoiding hole 110, of the avoiding groove 120, so that convenience in connection of the wire 640 and other wiring harnesses is facilitated, good guidance is provided for angle change of the wire 640, and bending or abrasion of the cable caused by the fact that the outer end of the wire 640 is limited by the shape of the avoiding groove 120 is avoided.

Referring to fig. 2 and 5, as a specific embodiment of the lamp bead fixing structure provided by the present invention, an accommodating groove 130 for accommodating the PCB connecting plate 620 is disposed on the top surface of the pressing plate 100. Holding tank 130 sets up on the top surface of holding tightly piece 100, and the cross sectional shape of holding tank 130 is unanimous with PCB connecting plate 620's shape, and the thickness dimension of the degree of depth less than or equal to PCB connecting plate 620 of holding tank 130 avoids the degree of depth too big to cause PCB connecting plate 620 to take place longitudinal sliding in holding tank 130 is inside to influence the stability of lamp pearl.

Referring to fig. 6 to 7, as an embodiment of the lamp bead fixing structure of the present invention, the pressing sheet 100 is further provided with a protrusion 160 disposed along the circumferential direction and located inside the fixing portion 200. The surface of the pressing piece 100 is provided with a protruding boss 160 which protrudes towards one side far away from the lamp cylinder 610, the boss 160 can be arranged in an annular form, the overall structure of the pressing piece 100 can be effectively enhanced, and when the pressing piece 100 and the lamp cylinder 610 are connected through bolts, the pressing piece 100 can have enough strength to stably fix the PCB connecting plate 620 at a corresponding position in the lamp cylinder 610. In addition, the protrusion 160 is cut off by the escape groove 120 in the circumferential direction, and the fixing part 200 at the outer end of the escape groove 120 connects the pressing pieces 100 on both sides, thereby ensuring the overall strength of the pressing pieces 100. The cross section of the protruding portion 160 may be set to be one of different forms such as a triangle, a rectangle, a trapezoid, and a polygon, which can both improve the strength of the pressing sheet 100 and play a role in stably pressing the PCB connection plate 620.

In this embodiment, the pressing piece 100 and the lamp barrel 610 are connected by bolts, and the bolts are connected with the lamp barrel 610 by the two bolt holes on the pressing piece 100 and located on two sides of the avoiding groove 120. The effectual pressure of having guaranteed the bolted connection point outside to a lamp section of thick bamboo 610 one side of setting up of bellying 160 realizes the effective extrusion to PCB connecting plate 620, guarantees the positional stability of lamp pearl 630.

Referring to fig. 8 to 9, as a specific embodiment of the lamp bead fixing structure provided by the present invention, the down lamp includes a lamp barrel 610 and a lamp bead fixing structure; the top surface of the inner cavity of the lamp tube 610 is provided with a PCB connecting plate 620, and the PCB connecting plate 620 is provided with a lamp bead 630. Utilize this kind of structure to carry out the fixed of lamp pearl 630 on the down lamp, can be convenient will be equipped with the PCB connecting plate 620 of lamp pearl 630 and fix in predetermineeing the position, once the installation just can realize the stable setting of lamp pearl 630, this simple structure easily operates, is convenient for carry out the carding of wire 640, the convenience and the aesthetic property of the installation of effectual improvement lamp pearl 630.

Referring to fig. 5 to 9, as a specific embodiment of the lamp bead fixing structure provided by the present invention, a ring seat 650 is disposed on the inner top surface of the lamp cylinder 610, and a matching groove 140 disposed along the circumferential direction and adapted to be in contact with the ring seat 650 is disposed on the top surface of the pressing sheet 100; the pressing piece 100 is further provided with a fitting portion 150 located on the outer periphery of the fitting groove 140 and adapted to fit the top surface of the lamp barrel 610. Because be equipped with the ring seat 650 of upwards sunken on the interior top surface of a lamp section of thick bamboo 610, the depressed part is used for holding components such as lamp pearl 630, so correspond on compressing tablet 100 and set up and be used for contacting complex cooperation groove 140 with ring seat 650, the two mating reaction can guarantee the stability of compressing tablet 100 position in a lamp section of thick bamboo 610, do not have the location in avoiding compressing tablet 100 installation, be difficult to the central problem of alignment lamp section of thick bamboo 610, so that the stable center department that is located lamp section of thick bamboo 610 of lamp pearl 630, realize that lamp section of thick bamboo 610 effectively draws in to the light, guarantee the below illumination region and accept the equipartition nature of light. The lamp tube 610 can be formed by a spinning process or a stamping process by using a stamping metal part, is in a circular stepped structure, has the advantages of high processing efficiency, light product weight, low unit price, good structural strength and the like, and the lamp tube 610 stamped by using metal can also have good heat dissipation performance. The setting of fixed part 200 can combine optical element's such as lens needs, sets up to the form that can carry out spacing fixed to it, is convenient for improve the fastness of optical component installation and the wholeness in the later stage down lamp use, guarantees stable lamp pearl 630 and shines the effect. The structure is used for installation, and the lamp has the advantages of being simple in installation, convenient to use and capable of saving lamp processing cost and subsequent maintenance cost.

Ring seat 650 that sets up on a lamp section of thick bamboo 610 is used for forming the depressed area that central department is used for holding members such as lamp pearl 630, in order to guarantee this compressing tablet 100 and ring seat 650's cooperation, periphery at compressing tablet 100 sets up the laminating portion 150 that upwards extends, be used for realizing with the effective laminating at ring seat 650 periphery position, guarantee good tight effect of pasting, improve the precision of location between compressing tablet 100 periphery and the lamp section of thick bamboo 610, avoid compressing tablet 100 to take place the displacement, drive the unstable problem of illumination that lamp pearl 630 removed and causes.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Lamp pearl fixed knot constructs, its characterized in that includes:

the lamp tube comprises a lamp tube, a pressing sheet and a connecting piece, wherein the lamp tube is provided with a lamp bead, the pressing sheet is used for pressing and fixing a PCB connecting plate on the lamp tube, the pressing sheet is provided with an avoidance hole used for avoiding the lamp bead on the PCB connecting plate and an avoidance groove which is communicated with the avoidance hole and is used for accommodating a lead, and the avoidance groove extends to the outer edge of the pressing sheet;

and the fixing part is connected to the pressing sheet, spans the avoiding groove and is used for pressing the wire.

2. The lamp bead fixing structure of claim 1, wherein the fixing portion is disposed at an outer edge portion of a lower surface of the pressing sheet.

3. The lamp bead fixing structure of claim 1 or 2, wherein the fixing portion is an arc-shaped member extending along the circumferential direction of the pressing sheet, and the inner side surface of the fixing portion is inclined outward from top to bottom.

4. The lamp bead fixing structure according to claim 1 or 2, wherein the avoiding hole is provided at a central portion of the pressing sheet, and the avoiding groove extends from an outer edge of the avoiding hole to an outer edge of the pressing sheet in a radial direction of the pressing sheet.

5. The lamp bead fixing structure according to claim 4, wherein the avoiding grooves are provided in two and symmetrically disposed at both sides of the avoiding hole, and the fixing portions are also provided in two and symmetrically disposed at both sides of the avoiding hole.

6. The lamp bead fixing structure of claim 4, wherein a width of an end of the avoidance groove close to the avoidance hole is greater than a width of an end of the avoidance groove far from the avoidance hole.

7. The lamp bead fixing structure of claim 1, wherein a receiving groove for receiving the PCB connecting plate is provided on a top surface of the pressing sheet.

8. The lamp bead fixing structure of claim 1, wherein the pressing sheet is further provided with a protrusion portion disposed along a circumferential direction and located inside the fixing portion.

9. Down lamp, its characterized in that includes:

the lamp tube, the top surface of the cavity has PCB connecting plate, there are lamp pearls on the said PCB connecting plate; and a lamp bead fixing structure as claimed in any one of claims 1 to 8.

10. A downlight according to claim 9,

the lamp tube is characterized in that a ring seat is arranged on the inner top surface of the lamp tube, and a matching groove which is arranged along the circumferential direction and is used for being in contact fit with the ring seat is formed in the top surface of the compressing sheet; the pressing sheet is further provided with a fitting part which is located on the periphery of the fitting groove and is used for fitting with the top surface of the lamp tube.