阅读说明：本技术 一种压铸铝件 (Die-casting aluminum part ) 是由 苏强 申恒杰 于 2020-07-21 设计创作，主要内容包括：本发明属于压铸件技术领域,具体的说是一种压铸铝件；包括外壳铝件；外壳铝件和支撑架均为压铸成型；外壳铝件通过两个压铸框架相互拼接设置；对称开设的插接腔内均插接有橡胶密封条,且两个橡胶密封条之间通过橡胶卡条相互连接；两个压铸框架的内侧壁竖直方向开设有多个连接孔,且多个连接孔内均插接有螺纹杆；多个螺纹杆的两端均螺纹连接有螺母；位于压铸框架中部的螺纹杆的两端安装有支撑架,且支撑架通过螺母可调节固定到螺纹杆上；两个压铸框架的内腔壁均开设有插接滑槽,且插接滑槽内滑动插接有LED灯板；LED灯板的外侧设置有灯罩；不需要在外壳铝件上进行打孔,通过螺钉将LED灯板安装到外壳铝件上,进而提高了外壳铝件的使用密封效果。(The invention belongs to the technical field of die castings, and particularly relates to a die casting aluminum part; comprises a shell aluminum piece; the shell aluminum part and the support frame are both formed by die casting; the shell aluminum parts are spliced with each other through the two die-casting frames; rubber sealing strips are inserted into the symmetrically-arranged inserting cavities, and the two rubber sealing strips are connected with each other through rubber clamping strips; a plurality of connecting holes are formed in the inner side walls of the two die-casting frames in the vertical direction, and threaded rods are inserted into the connecting holes; both ends of the threaded rods are in threaded connection with nuts; two ends of a threaded rod positioned in the middle of the die-casting frame are provided with supporting frames, and the supporting frames are adjustably fixed on the threaded rod through nuts; the inner cavity walls of the two die-casting frames are provided with inserting chutes, and the LED lamp panels are inserted in the inserting chutes in a sliding manner; a lampshade is arranged on the outer side of the LED lamp panel; need not punch on the shell aluminium spare, install the LED lamp plate on the shell aluminium spare through the screw, and then improved the sealed effect of use of shell aluminium spare.)

1. A die cast aluminum part characterized in that: the LED lamp comprises a shell aluminum part (1), an LED lamp panel (2), a lampshade (3) and a support frame (4); the shell aluminum part (1) and the support frame (4) are both formed by die casting; the shell aluminum part (1) is spliced by two die-casting frames (5), and the symmetrical surfaces of the two die-casting frames (5) are provided with splicing cavities (51); rubber sealing strips (6) are inserted into the symmetrically-arranged insertion cavities (51), and the two rubber sealing strips (6) are connected with each other through rubber clamping strips (7); the rubber clamping strips (7) are positioned between the two symmetrically arranged die-casting frames (5); a plurality of connecting holes (52) are formed in the vertical direction of the inner side walls of the two die-casting frames (5), and threaded rods (8) are inserted into the connecting holes (52); nuts (9) are connected to two ends of the threaded rods (8) in a threaded mode, and the threaded rods (8) are inserted into the rubber clamping strips (7) and the rubber sealing strips (6); two ends of a threaded rod (8) positioned in the middle of the die-casting frame (5) are provided with supporting frames (4), and the supporting frames (4) are adjustably fixed on the threaded rod (8) through nuts (9); the inner cavity walls of the two die-casting frames (5) are respectively provided with an inserting sliding groove (53), and the LED lamp panels (2) are inserted in the inserting sliding grooves (53) in a sliding manner; the outside of LED lamp plate (2) is provided with lamp shade (3).

2. A die cast aluminum part according to claim 1, wherein: the interior of the threaded rod (8) positioned at the lowest part of the shell aluminum part (1) is of a cavity structure, and a seepage film (10) is wrapped outside the threaded rod (8); the threaded rod (8) of the cavity structure is filled with lubricating liquid, and the lubricating liquid permeates to the liquid seepage film (10) through the liquid guide micropores; a sliding groove (81) is formed in the outer end part of the threaded rod (8), and a sealing plug (11) is arranged in the threaded rod (8) in a sliding mode; an elastic buffer ring (12) is sleeved at the end part of the threaded rod (8), and an extrusion sliding block (13) is arranged on the inner wall of the elastic buffer ring (12); the extrusion sliding block (13) is inserted into the sliding groove (81) in a sliding manner.

3. A die cast aluminum part according to claim 2, wherein: a buffer cavity (121) is formed in the elastic buffer ring (12); a cavity convex tube (14) is arranged at the end part of the extrusion block, and the cavity convex tube (14) penetrates through the sealing plug (11) and is positioned in the threaded rod (8) of the cavity structure; the cavity convex pipe (14) is communicated with the buffer cavity (121) through a guide groove (131), and the guide groove (131) is positioned on the extrusion sliding block (13).

4. A die cast aluminum part according to claim 1, wherein: extrusion chamber (71) have been seted up to rubber card strip (7) inside, and the outside of rubber card strip (7) is the ripple shape.

5. The die cast aluminum part according to claim 4, wherein: the rubber sealing strip (6) is provided with an expansion cavity (61), and a plurality of frosted raised films (62) are arranged outside the rubber sealing strip (6); a cavity gap (63) is arranged between the frosted raised film (62) and the rubber sealing strip (6), and the cavity gap (63) is communicated into the expansion cavity (61) through an air guide groove; the expansion chamber (61) communicates with the extrusion chamber (71).

6. The die cast aluminum part according to claim 5, wherein: a concave groove (64) is formed at the joint of the rubber sealing strip (6) and the threaded rod (8), and an extrusion bulge (15) is arranged in the concave groove (64); the extrusion bulge (15) is contacted with a seepage film (10) arranged on the outer wall of the threaded rod (8).

Technical Field

The invention belongs to the technical field of die castings, and particularly relates to a die casting aluminum part.

Background

Die casting is a metal casting process and is characterized in that high pressure is applied to molten metal by utilizing an inner cavity of a die. The mold is typically machined from a stronger alloy, a process somewhat similar to injection molding. Most die cast parts are iron-free, such as zinc, copper, aluminum, magnesium, lead, tin, and lead-tin alloys and their alloys.

The main structural component of the existing LED projection lamp is an aluminum die-casting shell aluminum part, the majority of the shell aluminum part is an integrated die-casting structure, when the LED lamp panel is required to be installed on the shell, the hole needs to be punched on the shell aluminum part 1, the LED lamp panel is installed on the shell aluminum part through a screw, when the shell aluminum part works in a humid or corrosive environment for a long time, the screw is easily rusted on the shell aluminum part, the sealing effect of the shell aluminum part is influenced, and meanwhile, the internal components of the shell aluminum part are difficult to be rapidly disassembled and maintained.

In view of this, in order to overcome the above technical problems, the present applicant has designed and developed a die-cast aluminum member, and manufactured a special die-cast housing aluminum member suitable for an LED projector, so as to solve the above technical problems.

Disclosure of Invention

In order to make up for the defects of the prior art, the die-cast aluminum part provided by the invention is mainly used for solving the problems that the main structural component of the existing LED projection lamp is an aluminum die-cast shell aluminum part, when an LED lamp panel is required to be installed on a shell, holes need to be formed in the shell aluminum part, the LED lamp panel is installed on the shell aluminum part through screws, when the shell aluminum part works in a humid or corrosive environment for a long time, the screws are easily rusted on the shell aluminum part, the sealing effect of the shell aluminum part is influenced, and meanwhile, the components inside the shell aluminum part are difficult to rapidly disassemble and maintain.

The technical scheme adopted by the invention for solving the technical problems is as follows: the die-casting aluminum part comprises a shell aluminum part, an LED lamp panel, a lampshade and a support frame; the shell aluminum part and the support frame are both formed by die casting; the shell aluminum part is spliced by two die-casting frames, and the symmetrical surfaces of the two die-casting frames are provided with splicing cavities; rubber sealing strips are inserted into the symmetrically-arranged inserting cavities, and the two rubber sealing strips are connected with each other through rubber clamping strips; the rubber clamping strips are positioned between the two symmetrically arranged die-casting frames; a plurality of connecting holes are formed in the inner side walls of the two die-casting frames in the vertical direction, and threaded rods are inserted into the connecting holes; nuts are connected to two ends of the threaded rods in a threaded mode, and the threaded rods are inserted into the rubber clamping strips and the rubber sealing strips; two ends of the threaded rod positioned in the middle of the die-casting frame are provided with supporting frames, and the supporting frames are adjustably fixed on the threaded rod through nuts; the inner cavity walls of the two die-casting frames are provided with inserting chutes, and the LED lamp panels are inserted in the inserting chutes in a sliding manner; a lampshade is arranged on the outer side of the LED lamp panel;

when the LED lamp panel is required to be installed on an aluminum shell, an installer firstly separates two die-casting frames, then inserts the LED lamp panel into the inserting chute of one of the die-casting frames in a sliding manner, then inserts the rubber sealing strip on one side wall of the rubber clamping strip into the inserting cavity of the die-casting frame, simultaneously inserts a plurality of threaded rods into the connecting holes of the die-casting frames of the installed LED lamp panel respectively in sequence, then the installer slidingly sleeves the inserting chute on the other die-casting frame outside the LED lamp panel, simultaneously the connecting holes on the die-casting frame are aligned with the plurality of threaded rods, then the installer pushes the other die-casting frame to move towards the side surface of the fixed last die-casting frame, and after the rubber sealing strip on the other side of the rubber clamping strip is inserted into the inserting cavity of the die-casting frame which is slidingly installed, the distances of the plurality of threaded rods extending out, then nuts and washers of operators are sleeved at two ends of the threaded rod, then the nuts on two sides of the shell aluminum part are synchronously twisted through a wrench, the die-casting frames which are mutually spliced are fixedly connected, and the rubber sealing strips are inserted into the splicing cavities to fix the rubber clamping strips, so that the phenomenon that the rubber clamping strips are extruded and separated or extruded and dislocated due to overlarge extrusion force of the symmetrically extruded die-casting frames on the rubber clamping strips is prevented, and the sealing effect of the mutually spliced die-casting frames is further influenced; then the support frame is fixed on the threaded rod in the middle of the shell aluminum piece through the nut, so that the support frame can support and fix the shell aluminum piece; simultaneously can carry out the quick fixation to the LED lamp plate through the shell aluminium spare that splices each other and form, need not punch on the shell aluminium spare, install the LED lamp plate on the shell aluminium spare through the screw, and then improved the sealed effect of use of shell aluminium spare, when the components and parts of the inside installation of shell aluminium spare need be overhauld, operating personnel only need dismantle the nut of the die-casting frame outer wall of one side wherein, alright with separate this die-casting frame, be convenient for carry out the safety inspection operation to die-casting frame or inside components and parts.

Preferably, the interior of the threaded rod positioned at the lowest part of the shell aluminum piece is of a cavity structure, and a seepage film is wrapped outside the threaded rod; lubricating liquid is filled in the threaded rod of the cavity structure and permeates into the seepage film through the drainage micropores; the outer end part of the threaded rod is provided with a sliding groove, and a sealing plug is arranged in the threaded rod in a sliding manner; the end part of the threaded rod is sleeved with an elastic buffer ring, and the inner wall of the elastic buffer ring is provided with an extrusion sliding block; the extrusion sliding block is inserted into the sliding groove in a sliding manner; when the die-casting machine works, when the elastic buffer ring is sleeved on the outer wall of the threaded pipe, the extrusion sliding block arranged on the inner side of the elastic buffer ring can extrude the sealing plug in a sliding mode through the sliding groove, the sealing plug can push lubricating oil in the threaded rod to permeate into the liquid seepage film through the liquid guide micropores, then the elastic buffer ring is continuously extruded and attached to the outer wall of the die-casting frame along with the nut, the elastic buffer ring continuously extrudes the sealing plug through the extrusion sliding block, the sealing plug can be in a stable state, further, part of lubricating liquid in the rotating threaded rod can permeate into the liquid seepage film, the threaded rod and the connecting hole can be in a lubricating state, and the phenomenon that the threaded rod is rusted and adhered to the inside of the die-casting frame due to the fact that the length of the threaded rod is too long; simultaneously when needs are separated die-casting frame, operating personnel can reciprocating rotation nut for the elastic buffer ring can be on the threaded rod reciprocating sliding, and the reciprocating sliding of elastic buffer ring can carry out reciprocal extrusion to the sealing plug, and the inside lubricated liquid of the threaded rod of being convenient for can produce the disturbance, makes in lubricated liquid can paint the connecting hole through the infiltration membrane, makes the threaded rod break away from in can following the connecting hole fast.

Preferably, the inner part of the elastic buffer ring is provided with a buffer cavity; the end part of the extrusion block is provided with a cavity convex tube, and the cavity convex tube penetrates through the sealing plug and is positioned in the threaded rod of the cavity structure; the cavity convex pipe is communicated into the buffer cavity through a guide groove, and the guide groove is positioned on the extrusion sliding block; when the extrusion block extrudes the sealing plug, the cavity convex tube arranged on the extrusion block penetrates through the sealing plug to be in contact with lubricating liquid on one side of the sealing plug, and along with the continuous extrusion of the extrusion block on the sealing plug, the extrusion force of the sealing plug on the lubricating liquid can enable the lubricating liquid to enter the elastic buffer ring through the cavity convex tube, so that the elastic buffer ring can enter a certain amount of lubricating liquid, and the elastic buffer effect of the elastic buffer ring is further improved; meanwhile, the elastic buffer ring can play an elastic supporting effect.

Preferably, the rubber clamping strip is internally provided with an extrusion cavity, and the outer part of the rubber clamping strip is corrugated; the during operation, when the rubber card strip received the extrusion force of the suppression frame of both sides, the ripple shape that the inside extrusion chamber that sets up of rubber card strip and outer wall set up can make rubber card strip only can produce the shrink, and can not expand to external world, effectively prevents because the extrusion force of die-casting frame to rubber card strip is too big, and then leads to rubber card strip to produce the phenomenon of extrusion deformation, has not only influenced the elastic buffer effect of rubber card strip, influences the sealed effect of rubber card strip to die-casting frame simultaneously.

Preferably, the rubber sealing strip is provided with an expansion cavity, and a plurality of frosted raised films are arranged outside the rubber sealing strip; a clearance cavity is arranged between the frosted raised film and the rubber sealing strip and is communicated with the expansion cavity through an air guide groove; the expansion cavity is communicated with the extrusion cavity; during operation, when the rubber card strip received the extrusion force and produced the shrink, extrusion intracavity portion's gas can enter into the inflation intracavity, then enters into the inboard clearance cavity of the protruding membrane of dull polish through the inflation chamber for the protruding membrane of dull polish produces the inflation extrusion and laminates to the grafting intracavity, and then improves frictional resistance between rubber sealing strip and the grafting chamber, has further improved the grafting stability that rubber sealing strip inserted the grafting chamber.

Preferably, a concave groove is formed at the joint of the rubber sealing strip and the threaded rod, and an extrusion bulge is arranged in the concave groove; the extrusion bulge is contacted with a liquid seepage film arranged on the outer wall of the threaded rod; during operation, when the inside lubricating liquid of threaded rod oozes on the seepage membrane, lubricating liquid can contact with the extrusion arch on the seepage membrane, can enter into the depressed groove through the extrusion arch simultaneously, and then can make the junction between threaded rod and the rubber sealing strip be in the lubricated state of lubricating liquid, prevent on the hob rust corrosion or bond the rubber sealing strip, and then influence the safe handling of rubber sealing strip.

The invention has the following beneficial effects:

1. according to the invention, the LED lamp panel can be quickly fixed through the shell aluminum pieces formed by splicing the LED lamp panels, holes are not required to be punched on the shell aluminum pieces, the LED lamp panel is installed on the shell aluminum pieces through screws, so that the use sealing effect of the shell aluminum pieces is further improved, when components installed inside the shell aluminum pieces need to be overhauled, an operator only needs to disassemble the nut on the outer wall of the die-casting frame on one side of the shell aluminum pieces, so that the die-casting frame can be separated, and the safe overhaul operation can be conveniently carried out on the die-casting frame or the internal components.

2. According to the invention, after the mutually spliced die-casting frames are fixedly connected, the rubber clamping strips can be fixed by inserting the rubber sealing strips into the splicing cavities, so that the phenomenon that the rubber clamping strips are extruded and separated or extruded and dislocated due to overlarge extrusion force of the symmetrically extruded die-casting frames on the rubber clamping strips is prevented, and the sealing effect of the mutually spliced die-casting frames is further influenced.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of the invention at B in FIG. 2;

in the figure: the LED lamp comprises a shell aluminum part 1, an LED lamp panel 2, a lampshade 3, a support frame 4, a die-casting frame 5, an inserting cavity 51, a connecting hole 52, an inserting sliding groove 53, a rubber sealing strip 6, an expansion cavity 61, a frosted convex film 62, a gap cavity 63, a concave groove 64, a rubber clamping strip 7, an extrusion cavity 71, a threaded rod 8, a sliding groove 81, a nut 9, a liquid seepage film 10, a sealing plug 11, an elastic buffer ring 12, a buffer cavity 121, an extrusion sliding block 13, a guide groove 131, a cavity convex tube 14 and an extrusion protrusion 15.

Detailed Description

A die cast aluminum product according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.

As shown in fig. 1-4, the die-cast aluminum part of the invention comprises a housing aluminum part 1, an LED lamp panel 2, a lampshade 3 and a support frame 4; the shell aluminum part 1 and the support frame 4 are both formed by die casting; the shell aluminum part 1 is spliced by two die-casting frames 5, and the symmetrical surfaces of the two die-casting frames 5 are provided with splicing cavities 51; rubber sealing strips 6 are inserted into the symmetrically-arranged inserting cavities 51, and the two rubber sealing strips 6 are connected with each other through rubber clamping strips 7; the rubber clamping strips 7 are positioned between the two die-casting frames 5 which are symmetrically arranged; a plurality of connecting holes 52 are formed in the vertical direction of the inner side walls of the two die-casting frames 5, and threaded rods 8 are inserted into the connecting holes 52; nuts 9 are connected to two ends of the threaded rods 8 in a threaded mode, and the threaded rods 8 are inserted into the rubber clamping strips 7 and the rubber sealing strips 6; two ends of a threaded rod 8 positioned in the middle of the die-casting frame 5 are provided with supporting frames 4, and the supporting frames 4 are adjustably fixed on the threaded rod 8 through nuts 9; the inner cavity walls of the two die-casting frames 5 are provided with inserting chutes 53, and the LED lamp panels 2 are inserted in the inserting chutes 53 in a sliding manner; a lampshade 3 is arranged on the outer side of the LED lamp panel 2;

when the LED lamp panel 2 is required to be installed on the shell aluminum part 1, an installer firstly separates two die-casting frames 5, then inserts the LED lamp panel 2 into the insertion chute 53 of one of the die-casting frames 5 in a sliding manner, then inserts the rubber sealing strip 6 on one side wall of the rubber clamping strip 7 into the insertion cavity 51 of the die-casting frame 5, simultaneously inserts the threaded rods 8 into the connecting holes 52 of the die-casting frames 5 on which the LED lamp panel 2 is installed respectively in sequence, then the installer slidingly sleeves the insertion chute 53 on the other die-casting frame 5 outside the LED lamp panel 2, simultaneously aligns the connecting holes 52 on the die-casting frame 5 with the threaded rods 8, then the installer pushes the other die-casting frame 5 to move to the side face of the fixed previous die-casting frame 5, after the rubber sealing strip 6 on the other side of the rubber clamping strip 7 is inserted into the insertion cavity 51 of the die-casting frame 5 which is installed in a sliding manner, adjusting the distance that the plurality of threaded rods 8 extend out of the outer wall of the die-casting frame 5, sleeving nuts 9 and gaskets on two ends of the threaded rods 8 by an operator, synchronously twisting the nuts 9 on two sides of the shell aluminum part 1 by a wrench, and further fixedly connecting the die-casting frames 5 which are mutually spliced, and inserting the rubber sealing strips 6 into the splicing cavities 51 to further fix the rubber clamping strips 7, so that the phenomenon that the rubber clamping strips 7 are extruded to be separated or dislocated due to overlarge extrusion force of the symmetrically extruded die-casting frames 5 on the rubber clamping strips 7 is prevented, and further the sealing effect of the die-casting frames 5 which are mutually spliced is influenced; then, the support frame 4 is fixed on a threaded rod 8 in the middle of the shell aluminum part 1 through a nut 9, so that the support frame 4 can support and fix the shell aluminum part 1; simultaneously can carry out quick fixed to LED lamp plate 2 through the shell aluminium alloy 1 that splices each other and form, need not punch on shell aluminium alloy 1, install LED lamp plate 2 on shell aluminium alloy 1 through the screw, and then improved the sealed effect of use of shell aluminium alloy 1, when the components and parts of the installation of shell aluminium alloy 1 inside need be overhauld, operating personnel only need dismantle the nut 9 of the 5 outer walls of die-casting frame of one side wherein, alright with separate this die-casting frame 5, be convenient for carry out the safety inspection operation to die-casting frame 5 or inside components and parts.

As an embodiment of the invention, the interior of the threaded rod 8 positioned at the lowest part of the shell aluminum part 1 is a cavity structure, and the exterior of the threaded rod 8 is wrapped with a seepage film 10; the threaded rod 8 of the cavity structure is filled with lubricating liquid, and the lubricating liquid permeates to the liquid seepage film 10 through the liquid guide micropores; a sliding groove 81 is formed in the outer end of the threaded rod 8, and a sealing plug 11 is arranged in the threaded rod 8 in a sliding mode; an elastic buffer ring 12 is sleeved at the end part of the threaded rod 8, and an extrusion sliding block 13 is arranged on the inner wall of the elastic buffer ring 12; the extrusion sliding block 13 is inserted into the sliding groove 81 in a sliding manner; when the device works, when the elastic buffer ring 12 is sleeved on the outer wall of the threaded pipe, the extrusion sliding block 13 arranged on the inner side of the elastic buffer ring 12 can slide through the sliding groove 81 to extrude the sealing plug 11, the sealing plug 11 can push lubricating oil in the threaded rod 8 to permeate into the liquid seepage film 10 through the liquid guide micropores, then as the nut 9 continues to press the elastic buffer ring 12 against the outer wall of the diecast frame 5, the elastic buffer ring 12 continues to press the sealing plug 11 by the pressing slider 13, so that the sealing plug 11 can be in a stable state, further, a part of the lubricating liquid in the rotating screw can permeate into the liquid permeating film 10, so that the threaded rod 8 and the connecting hole 52 can be in a lubricating state, the threaded rod 8 is effectively prevented from being inserted into the die-casting frame 5 for a long time due to the overlong length of the threaded rod 8, thereby causing the threaded rod 8 to be rusted and adhered to the inside of the die-cast frame 5, thereby causing a phenomenon that the die-cast frames 5 are difficult to be separated from each other; simultaneously when needs are separated die-casting frame 5, operating personnel can reciprocating rotation nut 9 for elastic buffer ring 12 can be on threaded rod 8 reciprocating sliding, and the reciprocating sliding of elastic buffer ring 12 can carry out reciprocating extrusion to sealing plug 11, and the inside lubricated liquid of threaded rod 8 of being convenient for can produce the disturbance, makes in lubricated liquid can scribble connecting hole 52 through infiltration liquid membrane 10, makes threaded rod 8 break away from in can following connecting hole 52 fast.

As an embodiment of the present invention, a buffer cavity 121 is formed inside the elastic buffer ring 12; a cavity convex tube 14 is arranged at the end part of the extrusion block, and the cavity convex tube 14 passes through a sealing plug 11 and is positioned in the threaded rod 8 of the cavity structure; the cavity convex tube 14 is communicated with the buffer cavity 121 through a guide groove 131, and the guide groove 131 is positioned on the extrusion sliding block 13; during operation, when the extrusion block extrudes the sealing plug 11, the cavity convex tube 14 arranged on the extrusion block can penetrate through the sealing plug 11 to be in contact with lubricating liquid on one side of the sealing plug 11, and along with the continuous extrusion of the extrusion block on the sealing plug 11, the extrusion force of the sealing plug 11 on the lubricating liquid can enable the lubricating liquid to enter the elastic buffer ring 12 through the cavity convex tube 14, so that the elastic buffer ring 12 can enter a certain amount of lubricating liquid, and the elastic buffer effect of the elastic buffer ring 12 is further improved; while enabling the elastic cushion ring 12 to function as an elastic support.

As an embodiment of the present invention, the rubber clamping strip 7 is internally provided with an extrusion cavity 71, and the outside of the rubber clamping strip 7 is corrugated; the during operation, when rubber card strip 7 received the extrusion force of the suppression frame of both sides, the ripple shape that extrusion chamber 71 and outer wall that rubber card strip 7 inside set up can make rubber card strip 7 only can produce the shrink, and can not expand to external world, effectively prevent because die-casting frame 5 is too big to the extrusion force of rubber card strip 7, and then lead to rubber card strip 7 to produce the phenomenon of extrusion deformation, the elastic buffer effect of rubber card strip 7 has not only been influenced, influence the sealed effect of rubber card strip 7 to die-casting frame 5 simultaneously.

As an embodiment of the present invention, the rubber sealing strip 6 is provided with an expansion cavity 61, and a plurality of frosted raised films 62 are arranged outside the rubber sealing strip 6; a clearance cavity 63 is arranged between the frosted raised film 62 and the rubber sealing strip 6, and the clearance cavity 63 is communicated into the expansion cavity 61 through an air guide groove; the expansion chamber 61 is communicated with the extrusion chamber 71; during operation, when rubber card strip 7 received the extrusion force and produced the shrink, the inside gas in extrusion chamber 71 can enter into inflation chamber 61, then enters into the inboard clearance cavity 63 of dull polish protruding membrane 62 through inflation chamber 61 for dull polish protruding membrane 62 produces the inflation extrusion and laminates in grafting chamber 51, and then improves frictional resistance between rubber sealing strip 6 and the grafting chamber 51, has further improved the grafting stability that rubber sealing strip 6 inserted grafting chamber 51.

As an embodiment of the invention, a concave groove 64 is arranged at the joint of the rubber sealing strip 6 and the threaded rod 8, and an extrusion bulge 15 is arranged in the concave groove 64; the extrusion bulge 15 is contacted with a seepage film 10 arranged on the outer wall of the threaded rod 8; during operation, when the inside lubricated liquid of threaded rod 8 oozes on the sepage membrane 10, on the sepage membrane 10 lubricated liquid can contact with extrusion protrusion 15, can enter into the depressed groove 64 through extrusion protrusion 15 simultaneously, and then can be so that the junction between threaded rod 8 and the rubber sealing strip 6 is in lubricated state of lubricated liquid, prevents on the corrosion of hob rust or bonds rubber sealing strip 6, and then influences rubber sealing strip 6's safe handling.

The specific working process is as follows:

when the LED lamp panel 2 is required to be installed on the shell aluminum part 1, an installer firstly separates two die-casting frames 5, then inserts the LED lamp panel 2 into the insertion chute 53 of one of the die-casting frames 5 in a sliding manner, then inserts the rubber sealing strip 6 on one side wall of the rubber clamping strip 7 into the insertion cavity 51 of the die-casting frame 5, simultaneously inserts the threaded rods 8 into the connecting holes 52 of the die-casting frames 5 on which the LED lamp panel 2 is installed respectively in sequence, then the installer slidingly sleeves the insertion chute 53 on the other die-casting frame 5 outside the LED lamp panel 2, simultaneously aligns the connecting holes 52 on the die-casting frame 5 with the threaded rods 8, then the installer pushes the other die-casting frame 5 to move to the side face of the fixed previous die-casting frame 5, after the rubber sealing strip 6 on the other side of the rubber clamping strip 7 is inserted into the insertion cavity 51 of the die-casting frame 5 which is installed in a sliding manner, adjust the distance that a plurality of threaded rods 8 stretched out 5 outer walls of die-casting frame, then the both ends of the threaded rod 8 of cup jointing of operating personnel nut 9 and packing ring, then twist the nut 9 of 1 both sides of shell aluminium spare through the spanner in step, and then carry out fixed connection with the die-casting frame 5 of splicing each other, then with support frame 4 through nut 9 fix to the threaded rod 8 of 1 middle part position of shell aluminium spare on for support frame 4 can support fixedly to shell aluminium spare 1.

In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in 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 taken as limiting the scope of the present invention.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.