CN208025191U - A kind of lighting device - Google Patents
A kind of lighting device Download PDFInfo
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- CN208025191U CN208025191U CN201721693467.4U CN201721693467U CN208025191U CN 208025191 U CN208025191 U CN 208025191U CN 201721693467 U CN201721693467 U CN 201721693467U CN 208025191 U CN208025191 U CN 208025191U
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Abstract
The utility model discloses a kind of lighting devices, are related to lighting technical field.The lighting device includes：There is shell accommodating chamber, the accommodating chamber to have opening；Gland covers the accommodating chamber, the cable-through hole being connected to the accommodating chamber is arranged on the gland after the open butt joint with the shell；Conducting wire is arranged on the cable-through hole；First sealing structure is set at least one end of the cable-through hole, including fills first sealing ring in gap between the cable-through hole and the conducting wire, and abuts first sealing ring and connect with the cable-through hole and compress axially the locking member of first sealing ring.First sealing structure can be effectively prevented from gap location of the foreign matters such as dust or steam between cable-through hole and conducting wire with good waterproof effect and enter inside lighting device, improve the dustproof and waterproof grade of lighting device.
Description
Technical field
The utility model is related to lighting technical field more particularly to a kind of lighting devices.
Background technology
Lighting device can be applied to the various occasions for needing illumination, different illumination occasions its to the dust-proof of lighting device
Waterproofing grade requires also to be not quite similar.Normal domestic use lighting device use environment is better, the requirement to dustproof and waterproof grade
It is relatively low；And engineering lighting device is due to the use of bad environments, it is desirable that it is with higher dustproof and waterproof grade.
Current lighting device, in order to realize that the gap between lighting device is filled in sealing, generally use marine glue.So
And marine glue is easy to fall off, dustproof and waterproof effect is often not satisfactory.
Utility model content
In order to effectively realize sealing, the dustproof and waterproof grade of lighting device is improved, the utility model provides a kind of with good
The lighting device of good sealing structure.
To achieve the above object, the utility model provides a kind of lighting device, including：
There is shell accommodating chamber, the accommodating chamber to have opening；
Gland covers the accommodating chamber after the open butt joint with the shell, be provided on the gland and the receiving
The cable-through hole of chamber connection；
Conducting wire is arranged in the cable-through hole；
First sealing structure is set at least one end of the cable-through hole, including the filling cable-through hole and the conducting wire
Between gap the first sealing ring, and abut first sealing ring and compress axially the locking for locking first sealing ring
Part.
Above-mentioned lighting device, the cable-through hole include：External holes, the neighbouring accommodating chamber far from the accommodating chamber
Internal holes, and the mider hole between the external holes and the internal holes；The external holes and the internal holes are most
Small-bore is all higher than the aperture of the mider hole.
Above-mentioned lighting device, first sealing ring include the first sealing ring being set in the external holes and setting
In the first sealing ring in the internal holes；
The locking member includes locking member corresponding with the first sealing ring being set in the external holes and is set to institute
State the corresponding locking member of the first sealing ring in internal holes, wherein two locking members are respectively by corresponding two described
One sealing ring presses to the mider hole.
Above-mentioned lighting device, the locking member are threadedly coupled with the cable-through hole；The locking member has to be supplied in an axial direction
The through-hole that the conducting wire passes through.
Above-mentioned lighting device, the gland have second seals structure with the place of docking of the shell.
Above-mentioned lighting device, the second seals structure include：The first circumferential limit rib, ring on the gland
The second sealing ring for being around in the circumferential limiting slot on the outside of the described first circumferential limit rib, being set in the circumferential limiting slot, with
And it is surrounded on the gland interconnecting piece of the circumferential limiting slot periphery；The shell is fastenedly connected with the gland interconnecting piece, described
Shell squeezes the second sealing ring in circumferential limiting slot on the gland.
Above-mentioned lighting device, the lighting device include installation light source module group on the housing, are provide with the light
The light distribution element of source module, and the light distribution element is pressed to the face ring of the shell；The shell and the light distribution element
Docking at be arranged third sealing structure；
The shell includes the light-source chamber for installing the light source module group, and the light-source chamber has light-emitting window, the light-emitting window
It is disposed opposite to each other with the opening.
Above-mentioned lighting device, the light distribution element include center light distribution portion and are circumferentially installed around center light distribution portion
Portion；
The third sealing structure includes：The second circumferential limit of the light-emitting window periphery is surrounded on the shell
Muscle is located at the light distribution interconnecting piece between the described second circumferential limit rib and the light-emitting window, is located at the described second circumferential limit rib
Periphery face ring interconnecting piece, and the sealing shroud that is wrapped on circumferential mounting portion；
Center light distribution portion covers the light-emitting window, and the circumferential direction mounting portion is placed on the light distribution interconnecting piece, described
Face ring is fastenedly connected with face ring interconnecting piece, and squeezes the sealing shroud on circumferential mounting portion.
Above-mentioned lighting device, the face male-female engagement that the sealing shroud is contacted with the face ring；
And/or
The face male-female engagement that the sealing shroud is contacted with the circumferential mounting portion.
Above-mentioned lighting device, the light-source chamber and the accommodating chamber are mutually isolated；The light source module group is installed on described
The bottom of light-source chamber and with the shell thermal conductive contact.
Above-mentioned lighting device, center light distribution portion includes incidence surface and light-emitting surface；The incidence surface and the light extraction
Face is curved surface.
Above-mentioned lighting device, the incidence surface surround and form a receiving space；The width and depth of the receiving space
The ratio between be 1:2 to 1:4.
The material of above-mentioned lighting device, center light distribution portion has makrolon and diffusant to mix, described poly-
The ratio of carbonic ester and diffusant is 2:1 to 4:Between 1.
Above-mentioned lighting device, the lighting device include the power supply module installed in the accommodating chamber, the power supply
Module is electrically connected with the conducting wire.
Compared with prior art, lighting device provided by the utility model, including shell, gland, conducting wire and the first sealing
Structure, first sealing structure are set at least one end of cable-through hole, which includes filling the cable-through hole
First sealing ring in gap between the conducting wire, and the locking of first sealing ring is connect and squeezed with the cable-through hole
Part, the first sealing structure have good waterproof effect, can effectively avoid the foreign matters such as dust or steam from cable-through hole and conducting wire
Between gap location enter inside lighting device, improve the dustproof and waterproof grade of lighting device.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the lighting device in one exemplary embodiment of the utility model；
Fig. 2 is the A-A sectional views of lighting device in Fig. 1；
Fig. 3 is the partial enlarged view to part B in Fig. 2；
Fig. 4 is the structure chart of cable-through hole on gland in Fig. 3；
Fig. 5 is the partial enlarged view to C portion in Fig. 2；
Fig. 6 is the partial enlarged view to the parts D in Fig. 2；
Fig. 7 is the index path of lighting device in Fig. 1.
Reference numeral：
100- lighting devices；
10- shells；11- is open；12- accommodating chambers；The first threaded holes of 13-；14- light-source chambers；15- light-emitting windows
20- glands；21- cable-through holes；211- external holes；212- internal holes；213- mider holes；
30- conducting wires；
The first sealing structures of 40-；The first sealing rings of 41-；42- locking members；
50- second seals structures；The circumferential limit ribs of 51- first；52- circumferential direction limiting slots；The second sealing rings of 53-；54- is pressed
Lid interconnecting piece；
61- light source module groups；62- power supply modules；
70- light distribution elements；The centers 71- light distribution portion；72- circumferential direction mounting portions；The first faces 721-；The second faces 722-；723-
Three faces；724- fourth faces；
80- face rings；The second threaded holes of 81-；
90- third sealing structures；91- sealing shrouds；The circumferential limit ribs of 92- second；93- light distribution interconnecting pieces；94- face rings connect
Socket part.
Specific implementation mode
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
Only it is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
The every other embodiment that those of ordinary skill is obtained without making creative work, belongs to the utility model
The range of protection.
A kind of lighting device 100 that the utility model embodiment provides, in conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4, lighting device
100 include shell 10, gland 20, conducting wire 30 and the first sealing structure 40.There is accommodating chamber 12, accommodating chamber, which has, to be opened on shell 10
Mouth 11, gland 20 cover accommodating chamber 12, and the line excessively that setting is connected to the accommodating chamber 12 on gland 20 after being docked to the opening 11
Hole 21, conducting wire 30 are electrically connected the power supply module 62 being set in accommodating chamber 12 after passing through cable-through hole 21.Wherein, in cable-through hole 21
At least one end, i.e., at least one in the external holes 211 close to the internal holes 212 of accommodating chamber 12 and far from accommodating chamber 12 at it is detachable
Ground be arranged the first sealing structure 40, in other words, at the cable-through hole at the cable-through hole in gland 20 and outside gland 20 at least one
Place is removably disposed the first sealing structure 40.It is possible thereby to avoid causing to shine there are gap between conducting wire 30 and cable-through hole 21
The junior problem of dustproof and waterproof of bright device 100.
Certainly, in order to improve dustproof and waterproof grade, the first sealing structure 40 can be respectively provided at the both ends of cable-through hole 21.Cause
This, the first sealing structure 40 in the utility model embodiment can be positioned only at 21 one end of cable-through hole, can also be to set
It sets at the both ends of cable-through hole 21.
First sealing structure 40 includes first sealing ring 41 in gap between filling cable-through hole 21 and conducting wire 30 respectively, and
Abut the first sealing ring 41 and along the axial compression of cable-through hole 21 and the locking member 42 of the first sealing ring 41 of locking, the locking member
42 connection cable-through holes 21 simultaneously squeeze the first sealing ring 41 so that and the first sealing ring 41 is axially squeezed rear radial dimension and becomes larger,
To effectively fill the gap between cable-through hole 21 and conducting wire 30.
As shown in Figure 3 and Figure 4, the both ends aperture of cable-through hole 21 is larger, is suitable for the first sealing structure 40 of installation, mider hole
Diameter is smaller, is passed through suitable for conducting wire 30.Specifically, cable-through hole 21 can be divided into three sections, be respectively：Close to the internal holes of accommodating chamber 12
212, the mider hole 213 between external holes 211 and internally positioned hole 212 and external holes 211 far from accommodating chamber 12.It is external
211 axial section of hole is rectangular, aperture size A；212 axial section of internal holes is rectangular, aperture size B；Mider hole 213
Axial section is rectangular, aperture size C.As described above, A>C, B>C, so that first mounted on 21 both ends of cable-through hole is close
Seal structure 40 can respectively be mounted in external holes 211 and internal holes 212, realize effective sealing function, while can be with A
>B。
As a kind of deformation, the axial section of the external holes 211 can be in inverted trapezoidal, and aperture size is along close to mider hole
213 direction is gradually reduced；The axial section of the internal holes 212 can be trapezoidal, and aperture size is along close to the side of mider hole 213
To being gradually reduced.Certainly, the minimum-value aperture size of external holes 211 or internal holes 212 is still more than the aperture ruler of mider hole 213
It is very little, so that first sealing structure 40 at 21 both ends of cable-through hole is mounted respectively in external holes 211 and internal holes 212, realization has
The sealing function of effect.In practical application, the axial section of external holes 211 and internal holes 212 can all be rectangle or trapezoidal,
Can also be one be rectangle, another one be it is trapezoidal.Certainly, the axial section of external holes 211 and internal holes 212 can be with other
Shape, as long as the bottom part aperture diameter of external holes 211 and internal holes 212 is not more than top aperture.
In order to make lighting device 100 that there is higher reliability, the first sealing structure is respectively provided at the both ends of cable-through hole 21
40, i.e., there are two the first sealing structures 40 for the tool of lighting device 100, are respectively arranged in external holes 211 and internal holes 212, i.e., two
A first sealing ring 41 fills 212 bottom of 211 bottom of the external holes and internal holes respectively, and two locking members 42 are connected to
The top in the top and inside hole 212 of external holes 211 simultaneously squeezes corresponding first sealing ring 41, and two the first sealing rings 41 are axial
It is squeezed generation deformation, so that its radial dimension is increased, to the gap being sufficient filling between cable-through hole 21 and conducting wire 30, effectively
It reduces dust or aqueous vapor enters the probability of accommodating chamber from cable-through hole.Specifically, the first sealing ring 41 includes being set to external holes 211
On first sealing ring 41 and the first sealing ring 41 for being set in internal holes 212；Locking member 42 includes and is set to external holes
The first sealing ring 41 on 211 corresponding locking member 42 and the 41 corresponding locking of the first sealing ring that is set in internal holes 212
Part 42, wherein corresponding two first sealing rings 41 are pressed to the mider hole 213 by two locking members 42 respectively,
In other words, the locking member 42 for being set to external holes 211 squeezes the first sealing ring 41 for being set to external holes 211 to mider hole 213,
The locking member 42 for being set to internal holes 212 squeezes the first sealing ring 41 for being set to internal holes 212 to mider hole 213.
The shape of two the first sealing rings 41 is related to the external holes 211 of cable-through hole 21, the axial section of internal holes 212
Connection.When the axial section of external holes 211 or internal holes 212 is rectangular, the axial section of the first sealing ring 41 is also rectangular；
When the axial section of external holes 211 or internal holes 212 is trapezoidal, the axial section of the first sealing ring 41 is also trapezoidal.Change speech
It, the axial section of the first sealing ring 41 should be with corresponding external holes 211 or the axial section phase of internal holes 212
Match, so-called matching, which refers to the first sealing ring 41, can install interior to external holes 211 or internal holes 212 and can reach effective close
Seal effect.
Locking member 42 is connected through a screw thread with cable-through hole 21, that is, is mounted on 42 outer wall of locking member and the outside of external holes 211
It is separately formed the screw thread being mutually matched on 211 inner wall of hole, is mounted in 42 outer wall of locking member and internal holes 212 of internal holes 212
It is separately formed the screw thread being mutually matched on wall, and has in the axial direction along cable-through hole 21 of two locking members 42 and is passed through for conducting wire
Through-hole.
As a kind of deformation, locking member 42 can snap connection with cable-through hole 21, specifically, being set in 21 inner wall of cable-through hole
L-shaped card slot is set, it is close to buckle the extruding first along the vertical direction slide-in cable-through hole of L-shaped card slot for 42 outer wall of locking member setting buckle
Seal 41, then be locked in card slot along the horizontal direction rotation of L-shaped card slot.Locking member 42 can be in the circumferential it is integrated,
It needs that the through-hole passed through for conducting wire is arranged in the axial direction of locking member 42 at this time；Locking member 42 can be divided into several only in the circumferential
Vertical sub- latch fitting, then conducting wire 30 passed through from the center of circle that several independent sub- latch fittings surround.
In the utility model embodiment, the bottom of external holes 211 and the bottom of internal holes 212 refer to closer to mider hole
213 part, and the top of external holes 211 and internal holes 212 refers to then farther away from the part of mider hole 213.
As shown in Figure 2 and Figure 5, gland 20 has with the place of docking of shell 10, has the second sealing on the end face at docking
Structure 50.The second seals structure 50 includes：The first circumferential limit rib 51 for taking shape on gland 20 is surrounded on the first circumferential limit
The circumferential limiting slot 52 of 51 outside of position muscle or periphery, the second sealing ring 53, Yi Jihuan being set in the circumferential limiting slot 52
It is around in the gland interconnecting piece 54 of 52 periphery of circumferential limiting slot.Shell 10 docked with gland 20 and squeeze in circumferential limiting slot 52
The internal partial wall of two sealing rings 53, shell 10 abuts the first circumferential limit rib 51, realizes limit.Gland interconnecting piece 51 is molding
Screw hole in gland periphery forms the first threaded hole 13 on the end face that shell 10 is contacted with gland, first threaded hole 13 with
The screw hole of gland periphery is fastenedly connected so that shell 10 squeezes the second sealing ring 53, in circumferential limiting slot 52, the second sealing ring 63
Foreign matter is effectively prevented with the 51 common cooperation of the first circumferential limit rib from gland 20 to enter in accommodating chamber with the place of docking of shell 10.
Second sealing ring 53 can be solid sealing strip, can also be the sealing ring of inflatable.
Place is docked in addition to the above-mentioned form sealing gland 20 using sealing ring and shell 10, cement can also be used close
Envelope, the method for diaphragm seal are realized to being sealed at the docking of gland 20 and shell 10.
Certainly, which can be only one layer of sealing ring being located between gland 20 and shell 10.
As shown in Figure 2 and Figure 6, lighting device 100 includes the light source module group 61 being installed on shell 10, is provide with light source module group
61 light distribution element 70 for carrying out light distribution for the emergent light of light source module group 61, and light distribution element 70 is installed to shell 10
Face ring 80.Shell 10 and the place of docking of light distribution element 70 setting third sealing structure 90.
Light distribution element 70 includes center light distribution portion 71 and the circumferential mounting portion 72 around center light distribution portion 71.Center light distribution portion
71 include incidence surface and light-emitting surface, and the incidence surface and light-emitting surface are curved surface, and radius of curvature is between 40 millimeters to 80 millimeters,
Such as 50 millimeters；Incidence surface and light-emitting surface constitute hyperboloid.The incidence surface in center light distribution portion 71 is approximate cylindric around forming one
Receiving space, the ratio between the width of the receiving space and depth be 1:2 to 1:4, such as 1:3.The width and depth of receiving space
The ratio between be 1:When 3, it is assumed that the width in center light distribution portion 71 is 50 millimeters, then the depth in center light distribution portion 71 is 150 millimeters, i.e. light
Source module 61 and the maximum distance in center light distribution portion 71 are 150 millimeters.
Center light distribution portion 71 may include the high PC of light transmittance (Polycarbonate, makrolon) materials and certain ratio
The diffusant of example, can be mixed by PC and diffusant, both improve the light transmittance and lighting device in center light distribution portion 71
Intensity of illumination, and can guarantee big light emitting angle so that the light emitting angle of lighting device 100 is more than 180 degree.Wherein, poly- carbonic acid
The ratio of ester and diffusant is 2:1 to 4:Between 1, such as 3:1.As shown in fig. 7, for the lighting device of the utility model embodiment
Index path.
Shell 10 further includes the light-source chamber 14 for installing light source module group 61,15 direction of light-emitting window of the light-source chamber 14 and shell
10 11 direction of opening is opposite, and the emergent light of certain light source module group 61 is towards light-emitting window 15.Light source module group 61 includes light source substrate
Be installed on luminescence unit on light source substrate.Light source substrate be installed on the bottom of light-source chamber and with 10 thermal conductive contact of shell, it is practical
In, heat dissipation can be conducive to by increasing the contact area of light source substrate and shell 10, can also be contacted in light source substrate and shell 10
It can be shed with coated with thermally conductive glue, accelerated heat on face.Power supply module 62 may include that power supply board is set to power supply base with integrated
Electronic component on plate, power supply board can be installed on the bottom of accommodating chamber and with 10 thermal conductive contact of shell, be equally beneficial for
The heat of power supply module 62 sheds.In addition, in order to which control signal is communicated or received with other lamps and lanterns or host, app etc., such as adjust
Bluetooth module and control module can be arranged in light, toning etc. in the light-source chamber 14 or accommodating chamber 12 of lighting device 100.
Third sealing structure 90 includes：10 light-emitting window 15 of shell end face structure and be wrapped on circumferential mounting portion 72
Sealing shroud 91.Specifically, the end face structure of 10 light-emitting window 15 of shell includes：Around the of the periphery of light-emitting window 15 on shell 10
Two circumferential limit ribs 92, the light distribution interconnecting piece 93 between the second circumferential limit rib 92 and light-emitting window 15, and it is located at second
The face ring interconnecting piece 94 of the periphery of circumferential limit rib 92.
The center light distribution portion 72 of light distribution element 70 covers light-emitting window 15, and annular circumferential mounting portion 72 is installed on light connects
In portion 93, and due to the second circumferential limit rib 92 around light distribution interconnecting piece 93, facilitating light distribution element 70 in shell 10
On installation positioning, and the second circumferential limit rib 92 divides light distribution interconnecting piece 93 and face ring interconnecting piece 94, is further reduced different
Object enters light-source chamber 14 between light distribution element 70 and light distribution interconnecting piece 93.The cross section of circumferential mounting portion 72 in approximate rectangular,
Circumferential mounting portion includes four faces, the second face that the first face 721 connection center light distribution portion 71 and the first face 721 are oppositely arranged
722, which abut the second circumferential limit rib 92, realizes that limit, other two third face 723 being oppositely arranged and fourth face 724 are distinguished
Connect light distribution interconnecting piece 93 and face ring 80.
In a ring, face ring 80 covers the circumferential limit rib 92 of circumferential mounting portion 72, second and face ring interconnecting piece 94 to face ring 80.Face
Ring 80 presses to light distribution element 70 and by being fastenedly connected with the face ring interconnecting piece 94 on shell 10, which squeezes circumferential installation
Sealing shroud 91 in portion 72 so that there is higher dustproof and waterproof grade at the docking of light distribution element 70 and shell 10.
Face ring interconnecting piece 91 on shell 10 is screw hole, corresponding, and the periphery of face ring 80 also has multiple second threaded holes
81, fastener sequentially passes through the second threaded hole 81 and shell 10 and face ring 80 are fastenedly connected by the screw hole of face ring interconnecting piece 91.
The cross section of sealing shroud 91 is in approximate U shape, and U-shaped opening covers circumferential mounting portion towards the first face 721, sealing shroud 91
72 the second face 722, third face 723 and fourth face 724, to wrap up circumferential mounting portion 72.Wherein, sealing shroud 91 with
Male-female engagement on the face that face ring 80 contacts, to reinforce sealing effect.Also may be used on the face that sealing shroud 91 is contacted with circumferential mounting portion 72
With male-female engagement.
Certainly, sealing shroud 91 can be not provided in third sealing structure 90, but in the third face of circumferential mounting portion 72
723 and fourth face 724 sealing ring is respectively set, can also realize sealing.
Light-source chamber 14 and accommodating chamber 12 are mutually isolated, and light source module group 61 is mounted on the bottom of light-source chamber 14.The light source die
Group 61 includes light source substrate and the light-emitting component being installed on light source substrate.Wherein light source substrate is double-sided substrate, one side peace
Light-emitting component is filled, another side is tightly attached to the bottom of light-source chamber 14 on shell 10 so that the heat that illuminating module is sent out can conduct
Onto shell 10, the heat of accelerated light source module 61 distributes.
Lighting device 100 includes installing to the power supply module 62 in accommodating chamber 12, and power supply module 62 electrically connects with conducting wire 30
It connects.The shell of power supply module 62 is made from a material that be thermally conductive, and shell is contacted with the inner wall of accommodating chamber 12, to accelerate power supply module heat
Amount sheds.
In the utility model embodiment, shell 10 is made from a material that be thermally conductive, such as aluminum alloy materials, the outer wall of shell 10 at
Type radiating fin.In addition, gland 20 is also made from a material that be thermally conductive.
It is the Each part feature and assembly relation of lighting device 100 above, the dress of lighting device 100 is described below
With step.
First power supply module 62 is placed into from the opening 11 of shell 10 in accommodating chamber 12, conducting wire 30 is passed through into gland 20
Cable-through hole 21, so that conducting wire 30 is electrically connected with the power supply module 62 in accommodating chamber 12.External holes 211 in cable-through hole 21 and inside
First sealing structure 40 is installed respectively on hole 212.The specific installation of first sealing structure 40：First two the first sealing rings 41 are divided
Tui Ru not be in external holes 211 and internal holes 212, then two locking members 42 are connect with external holes 211 and internal holes 212 respectively
To squeeze two the first sealing rings 41 respectively.
After the installation for completing the first sealing structure 40, gland 20 is covered to the opening 11 of docking shell 10, and have at docking
There is second seals structure 50, accommodating chamber 12 is made to constitute closed accommodating chamber 12.After gland 20 docks connection with shell 10, shell
10 squeeze the second sealing ring 53 being located on gland 20 in circumferential limiting slot 52, realize effectively sealing.
Light source module group 61 is installed from the light-emitting window 15 of shell 10 to light-source chamber 14, face ring 80 presses to light distribution element 70
Shell 10, and there is third sealing structure 90 between light distribution element 70 and shell 10, face ring 80, so that light-source chamber 14 is effectively sealed
It closes.
The lighting device 100 that the utility model embodiment provides, it is close by the setting first of cable-through hole 21 on gland 20
Seal structure 40 avoids gap location of the foreign matters such as dust or steam between cable-through hole and conducting wire from entering inside lighting device, improves
The dustproof and waterproof grade of lighting device so that lighting device 100 can reach IP66, compare IP65, and IP65 can directly prevent
External moisture enters from any angle inside lighting device 100, i.e., lighting device 100 can entirely prevent dust to enter, and
Any direction directly will not be entered inside by the injection of water.In the prior art, in order to seal use marine glue filling skill
Art scheme, can be by artificial filler or machine filler, the former expends a large amount of manpower, and the latter then needs to configure corresponding production
Equipment increases cost；The first sealing structure that the lighting device 100 of the utility model embodiment uses, simple in structure, reliability
Height, and technique productions cost is relatively low, is suitable for the production application of high yield.
First sealing structure 40 includes first sealing ring 41 in gap between filling cable-through hole 21 and conducting wire 30, and
The locking member of the first sealing ring 41 is connect and squeezed with cable-through hole 21.Lighting device is filled using marine glue in compared with prior art
Between gap, the 40 non-aging degumming of the first sealing structure, have good waterproof effect, reach the mesh reliably sealed
's.In addition, second seals structure 50 is arranged with the place of docking of shell 10 in gland 20, in shell 10 and light distribution element 70, face ring
Third sealing structure 90 is set between 80 so that the foreign matters such as dust or steam are not easily accessible 14 He of light-source chamber of lighting device 100
In accommodating chamber 12, the dustproof and waterproof grade of lighting device 100 is improved so that lighting device 100 is suitable for outdoor, power plant, chemical industry
The severe place of the operating conditions such as factory.
Above-described specific example has carried out further the purpose of this utility model, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, is not limited to this reality
With novel, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all include
It is within the protection scope of the utility model.
Claims (14)
1. a kind of lighting device, which is characterized in that including：
There is shell accommodating chamber, the accommodating chamber to have opening；
Gland covers the accommodating chamber after the open butt joint with the shell, be provided on the gland and connect with the accommodating chamber
Logical cable-through hole；
Conducting wire is arranged in the cable-through hole；
First sealing structure is set at least one end of the cable-through hole, including fills between the cable-through hole and the conducting wire
First sealing ring in gap, and abut first sealing ring and compress axially the locking member for locking first sealing ring.
2. lighting device according to claim 1, which is characterized in that the cable-through hole includes：Far from the accommodating chamber
The internal holes of external holes, the neighbouring accommodating chamber, and the mider hole between the external holes and the internal holes；It is described
The minimum-value aperture of external holes and the internal holes is all higher than the aperture of the mider hole.
3. lighting device according to claim 2, which is characterized in that
First sealing ring include the first sealing ring being set in the external holes and be set in the internal holes the
One sealing ring；
The locking member includes locking member corresponding with the first sealing ring being set in the external holes and is set in described
The corresponding locking member of the first sealing ring on portion hole, wherein two locking members are described first close by corresponding two respectively
Seal presses to the mider hole.
4. lighting device according to claim 1, which is characterized in that the locking member is threadedly coupled with the cable-through hole；
The locking member has the through-hole passed through in an axial direction for the conducting wire.
5. lighting device according to claim 1, which is characterized in that the gland and the place of docking of the shell have the
Two sealing structures.
6. lighting device according to claim 5, which is characterized in that the second seals structure includes：Positioned at the pressure
The first circumferential limit rib for covering, is set to the circumferential direction at the circumferential limiting slot being surrounded on the outside of the described first circumferential limit rib
The second sealing ring in limiting slot, and it is surrounded on the gland interconnecting piece of the circumferential limiting slot periphery；The shell with it is described
Gland interconnecting piece is fastenedly connected, and the shell squeezes the second sealing ring in circumferential limiting slot on the gland.
7. lighting device according to claim 1, which is characterized in that the lighting device includes installing on the housing
Light source module group, be provide with the light distribution element of the light source module group, and the light distribution element is pressed to the face ring of the shell；Institute
It states shell and third sealing structure is set with the place of docking of the light distribution element；
The shell includes the light-source chamber for installing the light source module group, and the light-source chamber has light-emitting window, the light-emitting window and institute
Opening is stated to be disposed opposite to each other.
8. lighting device according to claim 7, which is characterized in that
The light distribution element includes center light distribution portion and circular center light distribution portion circumferential direction mounting portion；
The third sealing structure includes：The second circumferential limit rib of the light-emitting window periphery is surrounded on the shell,
Light distribution interconnecting piece between the described second circumferential limit rib and the light-emitting window, positioned at the outer of the described second circumferential limit rib
The face ring interconnecting piece enclosed, and the sealing shroud that is wrapped on circumferential mounting portion；
Center light distribution portion covers the light-emitting window, and the circumferential direction mounting portion is placed on the light distribution interconnecting piece, the face ring
It is fastenedly connected with face ring interconnecting piece, and squeezes the sealing shroud on circumferential mounting portion.
9. lighting device according to claim 8, which is characterized in that the face that the sealing shroud is contacted with the face ring is concave-convex
Cooperation；
And/or
The face male-female engagement that the sealing shroud is contacted with the circumferential mounting portion.
10. lighting device according to claim 7, which is characterized in that the light-source chamber and the accommodating chamber are mutually isolated；
The light source module group be installed on the bottom of the light-source chamber and with the shell thermal conductive contact.
11. lighting device according to claim 8, which is characterized in that center light distribution portion includes incidence surface and light extraction
Face；The incidence surface and the light-emitting surface are curved surface.
12. lighting device according to claim 11, which is characterized in that the incidence surface surrounds and forms a receiving space；
The ratio between the width of the receiving space and depth are 1:2 to 1:4.
13. lighting device according to claim 11, which is characterized in that the material in center light distribution portion has makrolon
It is mixed with diffusant, the ratio of the makrolon and diffusant is 2:1 to 4:Between 1.
14. lighting device according to claim 1, which is characterized in that the lighting device includes installing to the receiving
The power supply module of intracavitary, the power supply module are electrically connected with the conducting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721693467.4U CN208025191U (en) | 2017-12-07 | 2017-12-07 | A kind of lighting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721693467.4U CN208025191U (en) | 2017-12-07 | 2017-12-07 | A kind of lighting device |
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| Publication Number | Publication Date |
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| CN208025191U true CN208025191U (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721693467.4U Active CN208025191U (en) | 2017-12-07 | 2017-12-07 | A kind of lighting device |
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| CN (1) | CN208025191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022001679A1 (en) * | 2020-06-30 | 2022-01-06 | 苏州欧普照明有限公司 | Lamp |
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2017
- 2017-12-07 CN CN201721693467.4U patent/CN208025191U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022001679A1 (en) * | 2020-06-30 | 2022-01-06 | 苏州欧普照明有限公司 | Lamp |
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