CN211929889U - Multistage waterproof leakproofness laser instrument protective housing - Google Patents

Abstract

The utility model discloses a multistage waterproof sealing nature laser instrument protective housing, include the base and install the casing on the base, sealing mechanism and the detachable connection in base top are passed through to the bottom of casing, the top of casing has the apron through screens part demountable installation, install supplementary heat dissipation mechanism on the apron, the ladder seat is installed on the base top of surveying in the casing, the elasticity copper sheet is installed to the both sides surface vertical of ladder seat, the inner wall contact of elasticity copper sheet and casing, and the surface mounting of casing has the heat of assistance piece. The utility model discloses a be provided with a series of structures for this multistage waterproof leakproofness laser protective housing can have the waterproof function of multilayer under the condition of convenient to detach and installation, and lack under the condition of fan or heat dissipation channel, improve the radiating efficiency of protective housing self, satisfy the in-service use demand.

Description

Multistage waterproof leakproofness laser instrument protective housing

Technical Field

The utility model relates to a laser instrument technical field specifically is a multistage waterproof sealing nature laser instrument protective housing.

Background

Lasers, i.e., devices that emit laser light, have been increasingly diverse since the first laser was invented in the middle of the 20 th century. According to the working medium, the laser can be divided into a gas laser, a solid laser, a semiconductor laser and a dye laser 4, wherein the semiconductor laser is more common.

The semiconductor laser is influenced by internal important components, can produce certain heat after the circular telegram, in order to dispel the heat, except relying on the self casing of laser, still need carry out the forced air cooling heat dissipation with the help of assemblies such as the fan, make the laser casing self have a ventilation passageway from this, and after this passageway forms, but make the waterproof sealing performance of casing decline, especially when the laser is in the humid environment for a long time and works, moisture extremely easily contacts with the circuit wire, cause the destruction to the laser, and in order to guarantee the leakproofness, then must solve the heat dissipation problem, a contradiction between heat dissipation and waterproof has been formed from this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistage waterproof sealing nature laser instrument protective housing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multistage waterproof sealing nature laser instrument protective housing, includes the base and installs the casing on the base, sealing mechanism and the detachable connection in base top are passed through to the bottom of casing, the top of casing has the apron through screens part demountable installation, install supplementary heat dissipation mechanism on the apron, the ladder seat is installed on the base top of surveying in the casing, the elasticity copper sheet is installed to the both sides surface vertical of ladder seat, the contact of the inner wall of elasticity copper sheet and casing, and the surface mounting of casing has the heat of assistance piece.

Preferably, sealing mechanism includes draw-in groove and snap ring, and the draw-in groove is the echelonment and sets up the base surface in the casing below, and the bottom at the casing is installed to the snap ring, and in the snap ring extended to the draw-in groove, the draw-in groove internally mounted of snap ring one side had the post of leading even, and the snap ring all installs the sealed cushion of second with the clearance department of leading even post and draw-in groove.

Preferably, a pressing plate is installed on the outer surface of the tail end of the shell, and the bottom end of the pressing plate is clamped into the clamping groove.

Preferably, the top end of the pressure plate is provided with a screw, and the tail end of the screw extends downwards to the interior of the guide connecting column through threads.

Preferably, the screens part includes spacing groove and apical ring, and the spacing groove is laid on the casing top, laps spacing installation at the spacing inslot portion, and the apical ring is installed in the apron bottom, and spacing groove and apron junction and shells inner wall and apical ring clearance department install first sealed cushion.

Preferably, the inside of spacing groove is provided with the screw, and the screw is installed on the top of apron, and the screw downwardly extending to inside the screw.

Preferably, the auxiliary heat dissipation mechanism comprises a heat dissipation strip and heat dissipation fins, the heat dissipation fins are installed at the bottom end of the cover plate right above the step seat, and the heat dissipation strip is installed on the top end surface of the cover plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this multistage waterproof sealing nature laser instrument protective housing, through the spacing groove, can lap the installation in-process, when carrying out spacingly to the apron, use with first sealed cushion combines, can fill the clearance between apron and the spacing groove, reach sealed effect, and through the apical ring, can be in first sealed cushion effect, with the help of interference fit, the surface of apical ring pushes up first sealed cushion tightly, make the clearance seal between apical ring and the casing, reach secondary waterproof sealing's effect.

2. This multistage waterproof sealing nature laser instrument protective housing through heat radiation fins, can transmit the heat that upwards gives off at ladder seat upper part, increases heat radiating area and heat conduction speed, gives whole apron with the heat transfer and dispels the heat to protective housing inside to through the heat dissipation strip, the heat dissipation strip is the triangle-shaped structure, and the surface area is great, can further increase the heat radiating area of apron, improves radiating quality.

3. This multistage waterproof sealing nature laser instrument protective housing, through the elasticity copper sheet, the elasticity that possesses after processing into the thin slice with the help of copper class metal self material, can push up the tight contact with housing face, and with the help of the good thermal diffusivity of copper class material, in the ladder seat with heat transfer for the base, ladder seat upper portion heat is dispelled the heat to the outside along the elasticity copper sheet and even housing face, and use with assisting the heat piece and combine, can be in elasticity copper sheet position department, support housing face's heat radiating area, improve radiating efficiency and radiating quality, actually can possess multistage waterproof at whole protective housing, and under the strong condition of leakproofness, be different from other protective housings and possess ventilation performance and adopt fan radiating's form, increase the heat dissipation function of actual protective housing self.

4. This multistage waterproof sealing nature laser instrument protective housing, through the snap ring, the bottom is provided with the cell body, can be when with the sealed cushion contact of second, seal in the cushion snap-in groove body, and through the sealed cushion of second, seal the draw-in groove of clamp plate and echelonment, carry out fixed mounting with the screw to clamp plate and apron, the dismantlement and the installation of apron and whole casing of actually can being convenient for, be different from the form of welding the casing on the base among the prior art, can shorten the assemble duration in assembling process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a side view of the step seat of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 3;

fig. 6 is a partially enlarged view of B in fig. 3.

In the figure: 1. a base; 2. a housing; 3. a cover plate; 4. a heat dissipating strip; 5. auxiliary heating sheets; 6. pressing a plate; 7. a top ring; 8. heat dissipation fins; 9. an elastic copper sheet; 10. a step seat; 11. a screw; 12. a limiting groove; 13. a first sealing rubber gasket; 14. a card slot; 15. a lead connecting column; 16. a second sealing rubber gasket; 17. a snap ring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 6, the multistage waterproof sealing laser protection case of the embodiment includes a base 1 and a casing 2 installed on the base 1, the base 1 needs to be connected with an external component to further fixedly install the whole protection case, the bottom end of the casing 2 is detachably connected with the top end of the base 1 through a sealing mechanism, that is, in actual use, the casing 2 can be detached to facilitate maintenance of the inside of the casing 2, the top end of the casing 2 is detachably installed with a cover plate 3 through a clamping component, the clamping component has a secondary waterproof sealing function while realizing fixed connection of the two, the cover plate 3 is installed with an auxiliary heat dissipation mechanism, heat dissipated from electrical components inside the casing 2 can be transferred to achieve the purpose of heat dissipation, a stepped seat 10 is installed at the top end of the base 1 measured inside the casing 2, a plurality of assembly grooves exist on the surface, and can be used for installing a plurality of electrical components such as a laser chip, elastic copper sheet 9 is installed to the both sides surface vertical of ladder seat 10, elastic copper sheet 9 upwards extends, contact with the inner wall of casing 2, and with the help of the good thermal diffusivity of copper class metal, when ladder seat 10 transmits its heat that gives out for base 1, partial heat is dispelled the heat to the outside along elastic copper sheet 9 and even casing 2 surface on ladder seat 10, and casing 2's surface mounting has auxiliary heat piece 5, auxiliary heat piece 5 forms for a plurality of copper sheet combinations, the surface area is great, attached on casing 2 surface, can be under the condition that casing 2 surface is heated, with the outside transmission of heat, reach the effect that increases heat transfer area and radiating efficiency.

Specifically, sealing mechanism includes draw-in groove 14 and snap ring 17, draw-in groove 14 is the echelonment and sets up on the 1 surface of base in casing 2 below, a spacing installation for 2 bottoms of casing, the bottom at casing 2 is installed to snap ring 17, snap ring 17 extends to in draw-in groove 14, snap ring 17 bottom is provided with the cell body, draw-in groove 14 internally mounted of snap ring 17 one side has the lead even post 15, inside is provided with the internal thread, snap ring 17 and lead even post 15 and draw-in groove 14's clearance department and all install the sealed cushion of second 16, can be when snap ring 17 bottom and the sealed cushion of second 16 contact, seal in the sealed cushion of second 16 joint groove internal, and the sealed cushion of second 16 of other parts can realize the casing 2 in the snap ring 17 outside and the sealed between the draw-in groove 14.

Further, the outer surface of the tail end of the shell 2 is provided with a pressing plate 6, actually, the surface of the shell 2 is expanded, the bottom end of the pressing plate 6 is clamped into the shallow part of the stepped groove body of the clamping groove 14 to form a limiting effect, and part of the second sealing rubber gasket 16 is positioned in the gap between the clamping groove 14 and the pressing plate 6 to achieve a sealing effect.

Further, screw 11 is installed on the top of clamp plate 6, and the end of screw 11 extends downwards through the screw thread to inside leading even post 15, is connected with leading even post 15 through screw 11, realizes clamp plate 6 and draw-in groove 14 fixed mounting.

Further, the screens part includes spacing groove 12 and apical ring 7, spacing groove 12 lays in 2 top surface edges of casing, 3 spacing installations are in inside spacing groove 12 in the apron, the two spacing assembly, apical ring 7 installs in apron 3 bottom, install perpendicularly between apical ring 7 and the apron 3, spacing groove 12 and 3 junctions of apron and 2 inner walls of casing and 7 clearance departments of apical ring install first sealed cushion 13, in whole 3 installation of apron, first sealed cushion 13 can realize the primary seal between spacing groove 12 and the apron 3, remaining first sealed cushion 13 can realize the secondary seal in 2 inner walls of casing and 7 clearances of apical ring.

Further, the inside of spacing groove 12 is provided with the screw, screw 11 is installed on the top of apron 3, screw 11 specification here is less than screw 11 on the clamp plate 6, and screw 11 downwardly extending to inside the screw, carry out detachable installation through screw 11 between spacing groove 12 and the apron 3 promptly, actual whole protective housing, the dismantlement and the installation of apron 3 and whole casing 2 of can being convenient for, be different from the mounting form of welding casing 2 on base 1 among the prior art, can shorten the assemble duration in the assembling process, do benefit to follow-up operations such as overhauing.

Further, supplementary heat dissipation mechanism includes heat dissipation strip 4 and heat radiation fins 8, heat radiation fins 8 install 3 bottoms of apron directly over step seat 10, form for a plurality of sheetmetals combination, can upwards transmit the heat of giving off at step seat 10 upper portion spare, increase heat radiating area and heat conduction speed, transmit the heat and dispel the heat to whole apron 3 inside the protective housing, and heat dissipation strip 4 installs the top surface at apron 3, heat dissipation strip 4 is the triangle-shaped structure, the surface area is great, can further increase the heat radiating area of apron 3, improve radiating quality.

The using method of the embodiment comprises the following steps: during assembly, electrical components such as chips used by a laser can be installed on the stepped seat 10, the pressing plate 6 at the bottom end of the shell 2 is clamped into the clamping groove 14 for limiting, at the moment, the bottom end of the clamping ring 17 is tightly propped against the second sealing rubber pad 16, part of the second sealing rubber pad 16 is sunk into the inner wall of the groove body of the clamping ring 17 and is fixedly installed through the screw 11, waterproof sealing is guaranteed while the bottom end of the shell 2 is connected with the base 1, the elastic copper sheet 9 has certain material elasticity and has outward bending tension force, at the moment, the elastic copper sheet 9 is outwards contacted with the inner wall of the shell 2, a lead is installed for the electrical components in the shell 2 through a wiring part and a wiring channel, after the cover plate 3 is covered, the bottom end of the cover plate 3 is clamped into the limiting groove 12, the first sealing rubber pad 13 is filled in a gap between the cover plate 3 and the limiting groove 12, and when the screw 11 on the cover plate 3 is screwed, meanwhile, the top ring 7 contacts with the rest first sealing rubber pad 13 to generate a jacking force to jack the first sealing rubber pad 13 towards the inner wall of the shell 2, so as to realize secondary waterproof sealing, in order to ensure enough waterproof sealing performance, waterproof glue and the like can be filled in the part of the wiring component or the wiring channel, which is in contact with the outside of the shell 2, so as to realize enough sealing effect, in the normal process, electrical elements such as a laser chip and the like are electrified to generate larger heat, under the condition of no fan and heat dissipation channel for heat dissipation, most of the heat can be directly transferred to the base 1 through the stepped seat 10, part of the heat is transferred to the shell 2 through the elastic copper sheets 9, the heat is dissipated by the surface of the shell 2 and the auxiliary heat sheets 5 on the surface of the shell 2, part of the heat is upwardly transferred to the heat dissipation fins 8 through the air in the shell 2, the heat is transferred to the cover plate 3 while the heat dissipation fins 8 dissipate the heat, the effect of component heat dissipation is achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a multistage waterproof leakproofness laser protective housing, includes base (1) and installs casing (2) on base (1), its characterized in that: the bottom of casing (2) is passed through sealing mechanism and is connected with base (1) top is detachable, there is apron (3) on the top of casing (2) through screens part demountable installation, install supplementary heat dissipation mechanism on apron (3), ladder seat (10) are installed on base (1) top of surveying in casing (2), elastic copper sheet (9) are installed to the both sides surface vertical of ladder seat (10), elastic copper sheet (9) contact with the inner wall of casing (2), and the surface mounting of casing (2) has auxiliary heat piece (5).

2. The protective case of claim 1, wherein: sealing mechanism includes draw-in groove (14) and snap ring (17), and draw-in groove (14) are base (1) surface of echelonment setting in casing (2) below, and the bottom at casing (2) is installed in snap ring (17), and in snap ring (17) extended to draw-in groove (14), draw-in groove (14) internally mounted of snap ring (17) one side had the lead even post (15), and snap ring (17) and lead even post (15) and the clearance department of draw-in groove (14) all install second and seal cushion (16).

3. The protective case of claim 2, wherein: the outer surface of the tail end of the shell (2) is provided with a pressing plate (6), and the bottom end of the pressing plate (6) is clamped into the clamping groove (14).

4. The protective case of claim 3, wherein: the top end of the pressing plate (6) is provided with a screw (11), and the tail end of the screw (11) extends downwards to the inside of the guide connecting column (15) through threads.

5. The protective case of claim 1, wherein: the screens part includes spacing groove (12) and apical ring (7), and laying on casing (2) top in spacing groove (12), and apron (3) are spacing to be installed inside spacing groove (12), and apical ring (7) are installed in apron (3) bottom, and first sealed cushion (13) are installed with apron (3) junction and casing (2) inner wall and apical ring (7) clearance department to spacing groove (12).

6. The protective case of claim 5, wherein: the inside of spacing groove (12) is provided with the screw, and screw (11) are installed on the top of apron (3), and screw (11) downwardly extending to inside the screw.

7. The protective case of claim 1, wherein: the auxiliary heat dissipation mechanism comprises a heat dissipation strip (4) and heat dissipation fins (8), the heat dissipation fins (8) are installed at the bottom end of the cover plate (3) right above the stepped seat (10), and the heat dissipation strip (4) is installed on the surface of the top end of the cover plate (3).

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