CN221122024U - Three-proofing lamp with replaceable accessories - Google Patents

Three-proofing lamp with replaceable accessories Download PDF

Info

Publication number
CN221122024U
CN221122024U CN202323203852.4U CN202323203852U CN221122024U CN 221122024 U CN221122024 U CN 221122024U CN 202323203852 U CN202323203852 U CN 202323203852U CN 221122024 U CN221122024 U CN 221122024U
Authority
CN
China
Prior art keywords
lamp tube
limiting
quick
plugboard
lamp
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
CN202323203852.4U
Other languages
Chinese (zh)
Inventor
张东锋
李兴发
段飘帆
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.)
Xiamen Aikelai Lighting Co ltd
Original Assignee
Xiamen Aikelai Lighting 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 Xiamen Aikelai Lighting Co ltd filed Critical Xiamen Aikelai Lighting Co ltd
Priority to CN202323203852.4U priority Critical patent/CN221122024U/en
Application granted granted Critical
Publication of CN221122024U publication Critical patent/CN221122024U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

According to the utility model, the lamp tube can be detachably connected through the hook-type cantilever buckles arranged on two sides of the connecting piece and the limiting rings arranged on two ends of the lamp tube; the driving parts are arranged on the plugboard in a threaded connection mode, the lamp tube is internally provided with the slot, the light source board and the plugboard are inserted into the lamp tube, so that the parts in the lamp tube can be conveniently placed or taken out, the plugboard can be firmly fixed in the lamp tube through the abutting of the first limiting part and the second limiting part and the protruding part on the plugboard, the positions of the parts in the lamp tube are fixed, when the parts in the lamp tube need to be replaced and maintained, the hook-shaped cantilever buckle on the connecting piece is only required to be opened, the plugboard and the light source board are pulled out, and the parts in the lamp tube can be taken out for replacement, and when the lamp tube is installed, the light source board and the plugboard are only required to be inserted into the slot and buckled with the hook-shaped cantilever buckle on the connecting piece; the three-proofing lamp is convenient to maintain and simple to operate, and a plurality of three-proofing lamps can be connected for use according to use requirements.

Description

Three-proofing lamp with replaceable accessories
Technical Field
The utility model relates to the field of lamps, in particular to a three-proofing lamp with a replaceable accessory.
Background
As is well known, the tri-proof light is a common light fixture, has the advantage of wide illumination range, and is commonly used in places with larger areas such as office places, exhibition halls, restaurants and the like.
The utility model relates to a three-proofing lamp which is mentioned in Chinese patent publication No. CN115076628A, and comprises a lamp housing, an end cover, a waterproof connector, a pull head, a drive and a light source plate, wherein the end cover is connected at the end part of the lamp housing in a sealing way; the inner wall of the screw joint part is provided with a protruding part, the pull head is adaptively embedded in the screw joint part and is abutted against the protruding part, and the protruding part is provided with a screw hole so that the pull head can be fixedly locked with the protruding part through a fastening screw; in the utility model, the screw is required to be unscrewed firstly to separate the pull head from the protruding part in the process of replacing the light source plate and the drive, then the light source plate and the drive are pulled out to replace, after the light source plate is replaced or the drive is completed, the pull head is required to be aligned with the screw interface part and is abutted with the protruding part, the screw is screwed again, the operation is complicated in the process of replacing the light source plate and the drive, and in addition, the three-proofing lamp can not be used by connecting a plurality of three-proofing lamps, so that the use requirements of different users can not be met.
In view of the above, the present inventors have developed and devised the present utility model by intensively conceived against many defects and inconveniences caused by the imperfection of the lamp structural design and actively studied and improved attempts.
Disclosure of utility model
The utility model aims to provide a three-proofing lamp with a replaceable accessory, which is convenient for repairing and replacing the accessory and can connect a plurality of three-proofing lamps into a group for use according to the use requirement.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a three-proofing lamp with replaceable fittings, comprising: the lamp tube, the limiting rings and the connecting pieces are sleeved at two ends of the lamp tube, the two sides of the connecting pieces are pivoted with buckles, and the lamp tube is buckled with the end faces of the limiting rings through the buckles to form a lamp group;
The lamp comprises a lamp tube, and is characterized in that a mounting plate, a plugboard, a light source board and a driver are arranged in the lamp tube, a slot is formed in the mounting plate, the plugboard and the light source board are both inserted in the mounting plate, the driver is detachably arranged on the plugboard, a protruding portion is arranged at one end of the plugboard, a first limiting portion is arranged on a limiting ring, a second limiting portion is arranged on a connecting piece, two side faces of the protruding portion are respectively abutted with one end face of the first limiting portion and one end face of the second limiting portion, a plug cover is respectively screwed at two ends of the lamp group, a third limiting portion is arranged on the plug cover, and one end face of the third limiting portion is abutted with one side face of the protruding portion;
The connecting piece is provided with a first wire passing hole communicated with the inner cavity of the lamp tube, and the first wire passing hole can accommodate the power wire to pass through.
Further, the lamp set is provided with a first quick connection terminal, a second quick connection terminal and a third quick connection terminal, the connecting piece is internally provided with a containing cavity, the containing cavity is communicated with the first wire passing hole and two adjacent lamps, the first quick connection terminal is detachably arranged in the containing cavity, two ends of each lamp tube are respectively inserted with one plugboard, two plugboards are respectively detachably provided with a second quick connection terminal and a third quick connection terminal, the first quick connection terminal is electrically connected with an external power supply, the first quick connection terminal is electrically connected with the second quick connection terminal in two adjacent lamps, the second quick connection terminal is electrically connected with the driver and the third quick connection terminal in the same lamp tube, the driver is electrically connected with the light source plate in the same lamp tube, and the third quick connection terminal is electrically connected with the second quick connection terminal in the other lamp tube.
Further, the first limiting part is an annular part arranged on the inner wall of the limiting ring, the protruding parts are two protruding blocks arranged on two sides of the end part of the inserting plate, the end part of the protruding part faces the inner wall of the limiting ring, the second limiting part is a baffle arranged in the accommodating cavity, two ends of the second limiting part face two ends of the connecting piece respectively, two side faces of the protruding part are respectively abutted with one end face of the first limiting part and one end face of the second limiting part, the third limiting part is a baffle column, and one end part of the third limiting part faces one side face of the protruding part and is abutted with one side face of the protruding part.
Further, the plug cover is also provided with a second wire through hole for a power wire to pass through.
Further, the buckle is a hook-type cantilever buckle.
Further, the two end faces of the connecting piece are provided with sleeving parts, and the connecting piece is sleeved with the limiting ring.
Further, a flexible limit column is further arranged at one end of the plugboard, and the limit column is in butt joint with one end of the light source board.
Furthermore, one end of the plugboard, which faces the end part of the lamp tube, is further provided with a drawing hole.
Further, the top of the lamp tube is provided with a plurality of fixing sectional materials.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the lamp tube can be detachably connected through the hook-type cantilever buckles arranged on two sides of the connecting piece and the limiting rings arranged on two ends of the lamp tube; the driving parts are arranged on the plugboard in a threaded connection mode, the lamp tube is internally provided with the slot, the light source board and the plugboard are inserted into the lamp tube, so that the parts in the lamp tube can be conveniently placed or taken out, the plugboard can be firmly fixed in the lamp tube through the abutting of the first limiting part and the second limiting part and the protruding part on the plugboard, the positions of the parts in the lamp tube are fixed, when the parts in the lamp tube need to be replaced and maintained, the hook-shaped cantilever buckle on the connecting piece is only required to be opened, the plugboard and the light source board are pulled out, and the parts in the lamp tube can be taken out for replacement, and when the lamp tube is installed, the light source board and the plugboard are only required to be inserted into the slot and buckled with the hook-shaped cantilever buckle on the connecting piece; the three-proofing lamp is convenient to maintain and simple to operate, and a plurality of three-proofing lamps can be connected for use according to use requirements.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a tri-proof light of the present utility model;
FIG. 2 is an exploded schematic view of the tri-proof light of the present utility model;
FIG. 3 is another angular exploded view of the tri-proof light of the present utility model;
fig. 4 is a schematic view of another angular exploded view of the tri-proof light of the present utility model.
Description of the main reference signs
10. A lamp tube; 11. a mounting plate; 111. a slot; 12. a light source board; 13. inserting plate; 131. a protruding portion; 132. a drawing hole; 14. a driver;
20. a connecting piece; 21. a buckle; 22. a first via hole; 23. a second limit part; 24. a socket joint part;
30. a limiting ring; 31. a first limit part;
40. A plug cover; 41. a second via hole; 42. a third limit part;
50. Fixing the profile;
60. a first quick connect terminal;
70. A second quick connect terminal;
80. and a third quick-connect terminal.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Examples
Referring to fig. 1-4, the present utility model discloses a replaceable accessory tri-proof light comprising: the lamp tube 10, the limiting rings 30 and the connecting piece 20, wherein the limiting rings 30 are sleeved at two ends of the lamp tube 10, the two sides of the connecting piece 20 are pivoted with the buckles 21, and the lamp tube 10 is buckled with the end faces of the limiting rings 30 through the buckles 21 to form a lamp group;
the lamp tube 10 is internally provided with a mounting plate 11, a plugboard 13, a light source board 12 and a driver 14, wherein the mounting plate 11 is provided with a slot 111, the plugboard 13 and the light source board 12 are both inserted on the mounting plate 11, the driver 14 is detachably arranged on the plugboard 13, one end part of the plugboard 13 is provided with a protruding part 131, the limiting ring 30 is provided with a first limiting part 31, the connecting piece 20 is provided with a second limiting part 23, two side surfaces of the protruding part 131 are respectively abutted with one end surface of the first limiting part 31 and one end surface of the second limiting part 23, two ends of the lamp group are respectively provided with a plug cover 40 in a screwed mode, the plug cover 40 is provided with a third limiting part 42, and one end surface of the third limiting part 42 is abutted with one side surface of the protruding part 131;
The connecting piece 20 is provided with a first wire through hole 22 communicated with the inner cavity of the lamp tube 10, and the first wire through hole 22 can be used for allowing a power wire to pass through.
When in installation, the limiting rings 30 are sleeved at two ends of the lamp tube 10, and the limiting rings are fixedly connected by using screws; the driver 14 is fixed on the plugboard 13 by using screws, the driver 14 is electrically connected with the light source board 12, then the light source board 12 and the plugboard 13 are inserted into a slot 111 of a mounting plate 11 fixedly arranged in the lamp tube 10, when the light source board 12 and the plugboard 13 are inserted into the slot 111, a protruding part 131 at one end of the plugboard 13 is abutted with a first limit part 31 on the limit ring 30 and limits the plugboard 13 to move towards the lamp tube 10, the end of the lamp tube 10 is abutted with one end of the connecting piece 20, a second limit part 23 on the connecting piece 20 is abutted with a protruding part 131 of the limit plate and can limit the movement of the plugboard 13, the movable buckle 21 on the connecting piece 20 is pressed to enable the limit ring 30 to be clamped with the buckle 21, the connecting piece 20 and the lamp tube 10 can be connected into a whole, the other end of the connecting piece 20 is matched with the lamp tube 10, in this way, a plurality of lamp tubes 10 can be connected into a lamp set to be used, in addition, two end parts of the lamp set are respectively provided with a plug cover 40, one end part of the plug cover 40 and two end parts 10 of the lamp set are connected with one end of the lamp set by threads, and the lamp tube can be connected through a wire through the connecting piece 20 and the power supply line 22 and can be connected with the driver 14.
When the lamp tube 10 is detached from the connecting piece 20 by opening the buckle 21, the second limiting part 23 on the connecting piece 20 is not abutted with the convex part 131 on the plugboard 13, and the plugboard 13 or the light source board 12 is pulled out to replace or repair the light source board 12 or the driver 14.
In one preferred embodiment, the lamp set is provided with a first quick-connect terminal 60, a second quick-connect terminal 70 and a third quick-connect terminal 80, a cavity is formed in the connector 20, the cavity is communicated with the first wire through hole 22 and two adjacent lamps 10, the first quick-connect terminal 60 is detachably arranged in the cavity, two inserting plates 13 are respectively inserted at two ends of each lamp 10, a second quick-connect terminal 70 and a third quick-connect terminal 80 are respectively detachably arranged on each inserting plate 13, the first quick-connect terminal 60 is electrically connected with an external power supply, the first quick-connect terminal 60 is electrically connected with the second quick-connect terminal 70 in two adjacent lamps 10, the second quick-connect terminal 70 is electrically connected with a driver 14 and the third quick-connect terminal 80 in the same lamp 10, the driver 14 is electrically connected with a light source plate 12 in the same lamp 10, and the third quick-connect terminal 80 is electrically connected with the second quick-connect terminal 70 in another lamp 10. The key point of this embodiment is that the circuit is controlled by providing a fast-connection terminal with one in and two out, so that at least two lamps 10 can be controlled to emit light simultaneously by controlling an external power switch.
In a preferred embodiment, the first limiting portion 31 is an annular portion disposed on the inner wall of the limiting ring 31, the protruding portion 131 is two protruding blocks disposed on two sides of the end portion of the insert plate 13, the end portion of the protruding portion 131 faces the inner wall of the limiting ring 30, the second limiting portion 23 is a baffle disposed in the accommodating cavity, two end portions of the second limiting portion 23 face two ends of the connecting piece 20 respectively, two side surfaces of the protruding portion 131 respectively abut against one end surface of the first limiting portion 31 and one end surface of the second limiting portion 23, wherein the third limiting portion 42 acts as the same as the second limiting portion 23, the third limiting portion 42 is a blocking column, one end portion of the third limiting portion 42 faces one side surface of the protruding portion 131 and abuts against one side surface of the protruding portion 131, the insert plate 13 can be fixed through abutting of the limiting portion and the protruding portion 131, fittings inside the lamp tube 10 are kept stable, and meanwhile the fittings are easy to detach.
In a preferred embodiment, the plug cover 40 is further provided with a second wire through hole 41 through which a power wire passes, and the power wire can supply power to the fittings inside the lamp tubes 10 through the second wire through hole 41, especially in the case that only one lamp tube 10 has no connecting piece 20, the power wire does not need to supply power to the fittings inside the lamp tubes 10 through the first wire through hole 22 on the connecting piece 20.
In one preferred embodiment, the buckle 21 is a hook-type cantilever buckle 21, the buckle 21 is pivoted on two sides of the connecting piece 20, and the buckle 21 can move towards the limiting rings 30 at two ends of the connecting piece 20 and is clamped with the limiting rings 30; the hook-type cantilever buckle 21 and the limiting ring 30 are matched, so that the connection or separation of the lamp tube 10 can be facilitated, and the operation is simple and convenient.
In one preferred embodiment, the two end surfaces of the connecting piece 20 are provided with the sleeving parts 24, and the connecting piece 20 is sleeved with the limiting ring 30, so that the connecting piece 20 and the lamp tube 10 can be conveniently abutted and mutually positioned.
In a preferred embodiment, a flexible limiting post (not shown) is disposed at one end of the board 13, the limiting post (not shown) is abutted against one end of the light source board 12, the limiting post (not shown) can limit the movement of the light source board 12, and the limiting post (not shown) is made of silica gel.
In one preferred embodiment, the end of the insert 13 facing the end of the lamp tube 10 is provided with a drawing hole 132, and the drawing hole 132 can facilitate drawing the insert 13.
In one preferred embodiment, the top of the lamp tube 10 is provided with a plurality of fixing profiles 50, and the lamp tube 10 is fixedly mounted on a foreign object through the fixing profiles 50.
In one preferred embodiment, the two ports of the connecting member 20 are symmetrically arranged, and the lamp set formed by the lamp tube 10 and the connecting member 20 is in a strip shape. The shape of the lamp set can also be changed by changing the port orientation of the connector 20.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. A three-proofing lamp with replaceable fittings, comprising: the lamp tube, the limiting rings and the connecting pieces are sleeved at two ends of the lamp tube, the two sides of the connecting pieces are pivoted with buckles, and the lamp tube is buckled with the end faces of the limiting rings through the buckles to form a lamp group;
The lamp comprises a lamp tube, and is characterized in that a mounting plate, a plugboard, a light source board and a driver are arranged in the lamp tube, a slot is formed in the mounting plate, the plugboard and the light source board are both inserted in the mounting plate, the driver is detachably arranged on the plugboard, a protruding portion is arranged at one end of the plugboard, a first limiting portion is arranged on a limiting ring, a second limiting portion is arranged on a connecting piece, two side faces of the protruding portion are respectively abutted with one end face of the first limiting portion and one end face of the second limiting portion, a plug cover is respectively screwed at two ends of the lamp group, a third limiting portion is arranged on the plug cover, and one end face of the third limiting portion is abutted with one side face of the protruding portion;
The connecting piece is provided with a first wire passing hole communicated with the inner cavity of the lamp tube, and the first wire passing hole can accommodate the power wire to pass through.
2. The replaceable accessory tri-proof light of claim 1, wherein: the lamp set is provided with a first quick-connection terminal, a second quick-connection terminal and a third quick-connection terminal, a containing cavity is further formed in the connecting piece, the containing cavity is communicated with the first wire passing hole and two adjacent lamps, the first quick-connection terminal is detachably arranged in the containing cavity, two ends of each lamp tube are respectively inserted with one plugboard, two plugboards are respectively detachably provided with one second quick-connection terminal and one third quick-connection terminal, the first quick-connection terminal is electrically connected with an external power supply, the first quick-connection terminal is electrically connected with two adjacent second quick-connection terminals in each lamp tube, the second quick-connection terminal is electrically connected with the same driver and the third quick-connection terminal in each lamp tube, the driver is electrically connected with the light source board in each lamp tube, and the third quick-connection terminal is electrically connected with the second quick-connection terminal in the other lamp tube.
3. A replaceable accessory tri-proof light as defined in claim 2, wherein: the first limiting part is an annular part arranged on the inner wall of the limiting ring, the protruding parts are two protruding blocks arranged on two sides of the end part of the inserting plate, the end part of the protruding part faces the inner wall of the limiting ring, the second limiting part is a baffle arranged in the accommodating cavity, two ends of the second limiting part face the two ends of the connecting piece respectively, two side faces of the protruding part are respectively abutted with one end face of the first limiting part and one end face of the second limiting part, the third limiting part is a baffle column, and one end part of the third limiting part faces one side face of the protruding part and is abutted with one side face of the protruding part.
4. The replaceable accessory tri-proof light of claim 1, wherein: the plug cover is also provided with a second wire passing hole for the power wire to pass through.
5. The replaceable accessory tri-proof light of claim 1, wherein: the buckle is a hook-type cantilever buckle.
6. The replaceable accessory tri-proof light of claim 1, wherein: the two end faces of the connecting piece are provided with sleeving parts, and the connecting piece is sleeved with the limiting ring.
7. The replaceable accessory tri-proof light of claim 1, wherein: and one end part of the plugboard is also provided with a flexible limit column, and the limit column is in butt joint with one end part of the light source plate.
8. The replaceable accessory tri-proof light of claim 1, wherein: the end of the plugboard, which faces the end of the lamp tube, is further provided with a drawing hole.
9. The replaceable accessory tri-proof light of claim 1, wherein: the top of the lamp tube is provided with a plurality of fixing sectional materials.
CN202323203852.4U 2023-11-27 2023-11-27 Three-proofing lamp with replaceable accessories Active CN221122024U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323203852.4U CN221122024U (en) 2023-11-27 2023-11-27 Three-proofing lamp with replaceable accessories

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323203852.4U CN221122024U (en) 2023-11-27 2023-11-27 Three-proofing lamp with replaceable accessories

Publications (1)

Publication Number Publication Date
CN221122024U true CN221122024U (en) 2024-06-11

Family

ID=91366402

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323203852.4U Active CN221122024U (en) 2023-11-27 2023-11-27 Three-proofing lamp with replaceable accessories

Country Status (1)

Country Link
CN (1) CN221122024U (en)

Similar Documents

Publication Publication Date Title
US20090135602A1 (en) Lighting unit, receptacle unit, and assembly thereof
CN221122024U (en) Three-proofing lamp with replaceable accessories
CN110274184B (en) High-safety spliced line lamp
WO2021008274A1 (en) Splicing-type line lamp
CN210069605U (en) High-safety splicing type line lamp
US5436813A (en) Illumination apparatus and method of using and making same
CN214044237U (en) Connector and lamp assembly
CN221444121U (en) LED lamp
CN209819293U (en) LED illuminating lamp lampshade connecting piece
CN214890674U (en) Novel guide tracked lamp under line
CN217763236U (en) Multipurpose cupboard lamp
KR101660511B1 (en) Coupling Device for Flat Panel Lamp Module
CN221258778U (en) LED lamp
CN210576869U (en) Unmanned aerial vehicle motor phase line connection structure
CN220017196U (en) Light-emitting device convenient to splice
CN113898899A (en) But LED ceiling lamp of quick replacement illumination module
CN216789938U (en) Quick concatenation line lamp
CN211118802U (en) Convenient replacement formula L ED lamps and lanterns
CN221172145U (en) Lamp strip structure in cabinet
CN220038315U (en) Lamp body structure, ceiling lamp and lighting system
CN220436443U (en) Lamp with separated power supply and lamp body through communication control
CN220228881U (en) Buckle structure of lighting lamp
CN220102964U (en) Lamp set
CN218214574U (en) Emergency indicating lamp
CN220354217U (en) Metal opposite plug-in structure capable of being disassembled and assembled by bare hands

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant