CN212463564U

CN212463564U - Electronic ballast with good sealing performance

Info

Publication number: CN212463564U
Application number: CN202021413077.9U
Authority: CN
Inventors: 张士春
Original assignee: Changzhou Shanneng Photoelectric Co ltd
Current assignee: Changzhou Shanneng Photoelectric Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-02-02
Anticipated expiration: 2030-07-17

Abstract

The utility model relates to an electronic ballast technical field just discloses an electronic ballast that sealing performance is good, including casing, sealed lid and connection lid, supreme setting gradually is down followed to casing, sealed lid and connection lid, the inside of casing is provided with the inside of placing the storehouse and is provided with the circuit board, sealed lid sets up and all rotates through first bull stick in the inside and both ends of casing and is provided with the kelly, the draw-in groove has all been seted up, two to the both ends inside wall of casing the lower extreme of kelly all with the draw-in groove phase-match that corresponds, it sets up in the upper surface of casing and inside and seted up the recess to connect the lid, the both sides of recess all rotate through the second bull stick and are connected with rotatory piece, two the lower extreme of rotatory piece all extends to the inside and the inboard of casing and. The utility model discloses convenient and sealing performance is good in the installation dismantlement, can prevent effectively that the foreign matter from getting into inside the casing.

Description

Electronic ballast with good sealing performance

Technical Field

The utility model relates to an electronic ballast technical field especially relates to an electronic ballast that sealing performance is good.

Background

The electronic ballast is one of ballasts, and refers to an electronic device which adopts electronic technology to drive an electric light source to generate required illumination, and because many illumination devices need to be exposed outdoors when in use, and the electronic ballast used in cooperation with the illumination devices also needs to be exposed outdoors when in use, the sealing performance of the ballast shell is required to be good.

Traditional electronic ballast generally only adopts the screw thread to screw up the upper cover, and not only the installation is dismantled inconveniently, and the joint gap is big moreover, and sealing performance is poor, in long-term outdoor use, can lead to foreign matter such as dust to get into inside the casing from the gap of connection, causes the inner line to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the electronic ballast in the prior art is inconvenient to install and disassemble and poor in sealing performance, and providing an electronic ballast with good sealing performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electronic ballast with good sealing performance comprises a shell, a sealing cover and a connecting cover, wherein the shell, the sealing cover and the connecting cover are sequentially arranged from bottom to top, a placing bin is arranged in the shell, a circuit board is arranged in the placing bin, the sealing cover is arranged in the shell, clamping rods are arranged at two ends of the sealing cover through rotation of a first rotating rod, clamping grooves are formed in the inner side walls of two ends of the shell, the lower ends of the two clamping rods are matched with the corresponding clamping grooves, the connecting cover is arranged on the upper surface of the shell and is internally provided with a groove, two sides of the groove are respectively connected with rotating blocks through rotation of a second rotating rod, the lower ends of the two rotating blocks extend into the shell, clamping blocks are fixedly arranged at the inner sides of the rotating blocks, slots are formed in the side walls of the upper ends of the two clamping rods, and the two clamping blocks, and a dustproof mechanism is arranged above the connecting cover.

Preferably, dustproof mechanism includes upper cover and magnet piece, the fixed block that is provided with in upper surface left side of connecting the lid, the upper cover sets up to pass through the pivot rotation with the fixed block in the upper surface of connecting the lid and left end and is connected, two the magnet piece is fixed respectively to be set up in the right side lower extreme of upper cover and the right side upper surface of connecting the lid, two magnet piece magnetism is connected.

Preferably, the rod walls of the first rotating rod and the second rotating rod on two sides are movably sleeved with torsion springs, and two ends of each torsion spring are fixedly connected with the corresponding first rotating rod and the corresponding clamping rod, and the corresponding second rotating rod and the corresponding rotating block.

Preferably, baffles are fixedly arranged on two sides of the lower end of the sealing cover, and a plurality of heat dissipation holes are formed in the surfaces of the baffles on two sides.

Preferably, the both ends inside wall of connecting the lid all is provided with the wedge, the wedge groove has all been seted up to the upper end both sides of casing, both sides the wedge all with the wedge groove phase-match that corresponds.

Preferably, a sealing ring is arranged on the inner side of the connecting cover.

Compared with the prior art, the utility model provides an electronic ballast that sealing performance is good possesses following beneficial effect:

1. this electronic ballast that sealing performance is good is provided with through the casing is inside places the storehouse, places the storehouse outside and is provided with sealed lid, and the casing upper surface is provided with the connection lid, connects to cover the upper surface and is provided with the upper cover to carry out the multilayer to the casing inside and seal, thereby can effectually prevent that the foreign matter from getting into inside the casing.

2. This electronic ballast that sealing performance is good can realize casing and sealed lid through rotating rotatory piece cooperation both sides kelly, sealed lid with be connected the high-speed joint of lid fixed and dismantle to the convenience is maintained and is maintained inside.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the installation is dismantled conveniently and sealing performance is good, can prevent effectively that the foreign matter from getting into inside the casing.

Drawings

Fig. 1 is a schematic structural diagram of an electronic ballast with good sealing performance according to the present invention;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is an enlarged schematic view of a part a of the mechanism in fig. 1.

In the figure: the device comprises a shell 1, a placing bin 2, a circuit board 3, a sealing cover 4, a clamping rod 5, a first rotating shaft 6, a connecting cover 7, a wedge-shaped block 8, a rotating block 9, a second rotating shaft 10, a clamping block 11, a fixing block 12, an upper cover 13, a sealing ring 14, a magnet block 15, a torsion spring 16 and a baffle 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an electronic ballast with good sealing performance comprises a shell 1, a sealing cover 4 and a connecting cover 7, wherein the shell 1, the sealing cover 4 and the connecting cover 7 are sequentially arranged from bottom to top, a placing bin 2 is arranged in the shell 1, a circuit board 3 is arranged in the placing bin 2, the sealing cover 4 is arranged in the shell 1, clamping rods 5 are rotatably arranged at two ends of the sealing cover 4 through first rotating rods 6, clamping grooves are respectively formed in the inner side walls of two ends of the shell 1, the lower ends of the two clamping rods 5 are respectively matched with the corresponding clamping grooves, the connecting cover 7 is arranged on the upper surface of the shell 1 and is internally provided with a groove, two sides of the groove are respectively rotatably connected with rotating blocks 9 through second rotating rods 10, the lower ends of the two rotating blocks 9 extend into the shell 1, clamping blocks 11 are respectively and fixedly arranged at the inner sides of the shell 1, slots are respectively formed in the side walls of, a dustproof mechanism is arranged above the connecting cover 7.

Dustproof mechanism includes upper cover 13 and magnet piece 15, connects the fixed block 12 that is provided with in the upper surface left side of lid 7, and upper cover 13 sets up to be connected the upper surface of lid 7 and the left end and fixed block 12 and passes through the pivot rotation and be connected, and two magnet pieces 15 are fixed respectively and set up in the right side lower extreme of upper cover 13 and the right side upper surface of connecting lid 7, and two magnet pieces 15 magnetism are connected.

Torsion springs 16 are movably sleeved on the rod walls of the first rotating rods 6 and the second rotating rods 10 on the two sides, two ends of each torsion spring 16 are fixedly connected with the corresponding first rotating rod 6 and the corresponding clamping rod 5, the second rotating rod 10 is fixedly connected with the rotating block 9, and the elasticity of each torsion spring 16 can drive the corresponding clamping rod 5 to rotate outwards and drive the corresponding rotating block 9 to rotate inwards in a natural state.

The lower extreme both sides of sealed lid 4 are all fixed and are provided with baffle 17, and a plurality of louvres have been seted up on the surface of both sides baffle 17, make things convenient for the heat dissipation of circuit board 3.

The both ends inside wall of connecting lid 7 all is provided with wedge 8, and the wedge groove has all been seted up to casing 1's upper end both sides, and both sides wedge 8 all with the wedge groove phase-match that corresponds for connecting lid 7 and casing 1 and being connected more firm.

The inner side of the connecting cover 7 is provided with a sealing ring 14, so that the sealing performance between the connecting cover 7 and the shell 1 is enhanced.

In the utility model, when in use, a worker installs the circuit board 3 inside the placing bin 2, presses the sealing shell 4 outside the placing bin 2, then clamps the wedge blocks 8 at two sides of the connecting cover 7 and the wedge grooves at two sides of the upper end of the shell 1 in a matching way, and simultaneously rotates the two side rotary blocks 9 inwards under the elastic action of the corresponding torsion springs 16 to push the upper ends of the two clamping rods 5 inwards, so that the lower ends of the two clamping rods 5 are clamped in the corresponding clamping grooves of the inner side wall of the shell 1, and meanwhile, the clamping blocks 11 at the inner sides of the two rotary blocks 9 are clamped into the corresponding slots at the upper ends of the clamping rods 5, at the moment, the fixing of the sealing cover 4 and the shell 1 is completed, the fixing of the connecting cover 7 and the sealing cover 4 is completed, namely, the installation and the fixing of the device are completed, when the device needs to be disassembled, the worker can finish the disassembling, the device carries out multilayer sealing through sealed lid 4, connecting lid 7 and upper cover 13, has improved the sealing performance of device, can effectually prevent that the foreign matter from getting into the inside of casing 1 and causing the device to damage.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An electronic ballast with good sealing performance comprises a shell (1), a sealing cover (4) and a connecting cover (7), and is characterized in that the shell (1), the sealing cover (4) and the connecting cover (7) are sequentially arranged from bottom to top, a placing bin (2) is arranged in the shell (1), a circuit board (3) is arranged in the placing bin (2), the sealing cover (4) is arranged in the shell (1), clamping rods (5) are rotatably arranged at two ends of the sealing cover through a first rotating rod (6), clamping grooves are respectively formed in the inner side walls of two ends of the shell (1), the lower ends of the two clamping rods (5) are respectively matched with the corresponding clamping grooves, the connecting cover (7) is arranged on the upper surface of the shell (1) and is internally provided with a groove, two sides of the groove are respectively rotatably connected with a rotating block (9) through a second rotating rod (10), two the lower extreme of rotatory piece (9) all extends to the inside and the inboard of casing (1) and all fixedly is provided with fixture block (11), two the slot has all been seted up to the upper end lateral wall of kelly (5), two fixture block (11) all with the slot phase-match that corresponds, the top of connecting lid (7) is provided with dustproof mechanism.

2. The electronic ballast with good sealing performance according to claim 1, wherein the dustproof mechanism comprises an upper cover (13) and magnet blocks (15), the left side of the upper surface of the connecting cover (7) is fixedly provided with a fixed block (12), the upper cover (13) is arranged on the upper surface of the connecting cover (7) and the left end of the upper cover is rotatably connected with the fixed block (12) through a shaft pin, the two magnet blocks (15) are respectively and fixedly arranged at the lower right end of the upper cover (13) and the upper right surface of the connecting cover (7), and the two magnet blocks (15) are magnetically connected.

3. The electronic ballast with good sealing performance according to claim 1, wherein the rod walls of the first rotating rod (6) and the second rotating rod (10) at two sides are movably sleeved with torsion springs (16), and two ends of each torsion spring (16) are fixedly connected with the corresponding first rotating rod (6) and the corresponding clamping rod (5) and the second rotating rod (10) and the rotating block (9).

4. The electronic ballast with good sealing performance according to claim 1, wherein baffles (17) are fixedly arranged on both sides of the lower end of the sealing cover (4), and a plurality of heat dissipation holes are formed in the surfaces of the baffles (17) on both sides.

5. The electronic ballast with good sealing performance according to claim 1, wherein the inner side walls of the two ends of the connecting cover (7) are provided with wedge blocks (8), the two sides of the upper end of the shell (1) are provided with wedge grooves, and the wedge blocks (8) on the two sides are matched with the corresponding wedge grooves.

6. A high-tightness electronic ballast according to claim 1, wherein the inner side of said connection cover (7) is provided with a sealing ring (14).