CN212709179U

CN212709179U - A guard shield structure for metal casting

Info

Publication number: CN212709179U
Application number: CN202020631547.2U
Authority: CN
Inventors: 肖彦平
Original assignee: Hayacast Suzhou Co ltd
Current assignee: Hayacast Suzhou Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-03-16
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a guard shield structure for metal casting relates to automobile parts technical field. The loudspeaker pelvis is positioned in the outer casing, the top end of the outer casing is inserted on an outer edge platform of the loudspeaker pelvis, and the bottom end of the outer casing is in threaded connection with the bottom end of the loudspeaker pelvis. According to the protective cover structure for the metal casting, the first waterproof sound-transmitting film is attached to the second sound-transmitting hole formed in the outer housing, and the second waterproof sound-transmitting film is attached to the round sound-transmitting hole formed in the upper housing, so that on the premise that the sound of a loudspeaker can be guaranteed, the waterproof and air-permeable performance of the protective cover structure is good, the problem that a traditional protective cover is poor in waterproof performance can be solved, the sound production effect can be guaranteed, the structure is simple, and the manufacturing is easy; the outer housing adopts a mode of firstly inserting and then connecting threads, and the upper housing adopts a clamping mode, so that the assembly or the maintenance can be realized easily, and the operation of a user is facilitated.

Description

A guard shield structure for metal casting

Technical Field

The utility model relates to an automobile parts technical field specifically is a guard shield structure for metal casting.

Background

The automobile accessory processing is a product which forms all units of the whole automobile accessory processing and serves the automobile accessory processing, automobile parts are used as the basis of the automobile industry and are necessary factors for supporting the continuous healthy development of the automobile industry, particularly, the current automobile industry is vigorous and is actively developed and innovated as soon as possible, a strong part system is needed for supporting, the independent brand and the technical innovation of the whole automobile need parts as the basis, the independent innovation of the parts also generates strong driving force for the development of the whole automobile industry, the parts are mutually influenced and interacted, the independent brand of the whole automobile does not exist, automobile door panels are a large part of the automobile parts, and loudspeakers and protective covers are generally arranged on the automobile door panels.

Traditional car door plant's loudspeaker protection casing, the water stain internal to the splash cover that can not be fine protects, causes water stain to enter into loudspeaker easily in, has reduced loudspeaker's life, has caused user's loss, and water-proof effects is not good, safe and reliable inadequately, and the dismouting is inconvenient simultaneously, and the person of not being convenient for operates.

SUMMERY OF THE UTILITY MODEL

The utility model provides a guard shield structure for metal casting possesses waterproof sound-permeable, the advantage of easily dismouting to it is not good to solve traditional loudspeaker protection casing water-proof effects, and the dismouting is inconvenient simultaneously, the not convenient to use person carries out the problem of operating.

For the purpose that realizes waterproof sound transmission, easily dismouting, the utility model provides a following technical scheme: the utility model provides a guard shield structure for metal casting, includes loudspeaker pelvis, outer casing, first waterproof sound-transmitting membrane, goes up casing and the waterproof sound-transmitting membrane of second, the loudspeaker pelvis is located the outer casing, peg graft on loudspeaker pelvis outer fringe bench on the top of outer casing, and the bottom threaded connection of its bottom and loudspeaker pelvis, be equipped with first sound-transmitting hole on the loudspeaker pelvis, be equipped with second sound-transmitting hole on the outer casing, first waterproof sound-transmitting membrane covers on second sound-transmitting hole, go up the casing joint in the top of loudspeaker pelvis, the round sound hole has been seted up on going up the casing, the waterproof sound-transmitting membrane of second covers on the round sound hole.

As an optimal technical scheme of the utility model, loudspeaker pelvis outer fringe platform bottom is equipped with the annular groove, the top of outer housing is equipped with the bulge loop, the outer housing is pegged graft with the loudspeaker pelvis through bulge loop and annular groove.

As a preferred technical scheme of the utility model, the bottom outside of loudspeaker pelvis is equipped with the screw thread layer, the bottom of outer housing is equipped with the screw hole, the outer housing passes through screw hole and screw thread layer and loudspeaker pelvis threaded connection.

As a preferred technical scheme of the utility model, first sound-transmitting hole is the ring strip form evenly distributed on loudspeaker pelvis, the outside evenly distributed that the outer housing was encircleed to the second sound-transmitting hole, and the second sound-transmitting hole is corresponding with first sound-transmitting hole.

As an optimal technical scheme of the utility model, the top of loudspeaker pelvis is equipped with the snap ring, the bottom of going up the housing is equipped with the annular, go up the housing and pass through annular and snap ring and loudspeaker pelvis joint.

As an optimized technical scheme of the utility model, it is domes to go up the housing, circle sound hole evenly distributed is on last housing, the outer edge of the waterproof sound-transmitting membrane of second fits on being the last housing of arch face through the glue.

Compared with the prior art, the utility model provides a guard shield structure for metal casting possesses following beneficial effect:

1. this a guard shield structure for metal casting, attached to first waterproof sound-transmitting membrane on the second sound-transmitting hole that the outer casing was seted up, attached to the waterproof sound-transmitting membrane of second on the round sound hole that the upper casing was seted up simultaneously, under the prerequisite that can ensure loudspeaker phonation, its waterproof gas permeability is good, can compensate traditional protection casing waterproof nature poor promptly, can ensure the effect of phonating again, simple structure easily makes.

2. This a guard shield structure for metal casting, outer housing have adopted earlier the mode of pegging graft back threaded connection, and the mode of joint has then been adopted to the upper shield shell, no matter be the assembly or overhaul, all easily dismouting, made things convenient for user's operation.

Drawings

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

fig. 2 is a front view of the horn pelvis of the present invention;

fig. 3 is a top view of the pelvis of the horn of the present invention;

FIG. 4 is a front view of the outer casing of the present invention;

fig. 5 is a bottom view of the upper cover of the present invention.

In the figure: 1. a horn pelvis; 2. an outer casing; 3. a first waterproof sound-transmitting membrane; 4. an upper housing; 5. a second waterproof sound-transmitting membrane; 6. a first sound-transmitting aperture; 7. a second sound-transmitting aperture; 8. a circular sound hole; 9. an annular groove; 10. a convex ring; 11. a threaded layer; 12. a threaded hole; 13. a snap ring; 14. and a ring groove.

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.

Referring to fig. 1-5, the present invention discloses a protective cover structure for metal castings, which comprises a speaker pelvis 1, an outer cover 2, a first waterproof sound-transmitting membrane 3, an upper cover 4 and a second waterproof sound-transmitting membrane 5, wherein the speaker pelvis 1 is located in the outer cover 2, the top end of the outer cover 2 is inserted on the outer edge platform of the speaker pelvis 1, and the bottom end of the outer cover is in threaded connection with the bottom end of the speaker pelvis 1, the speaker pelvis 1 is provided with a first sound-transmitting hole 6, the outer cover 2 is provided with a second sound-transmitting hole 7, the first waterproof sound-transmitting membrane 3 covers the second sound-transmitting hole 7, the upper cover 4 is connected to the top end of the speaker pelvis 1 in a clamping manner, the outer cover 2 is in a threaded connection manner after being inserted, the upper cover 4 is in a clamping manner, and is easy to disassemble and assemble or maintain, and convenient for user operation, the upper cover 4 is provided with a circular sound-transmitting hole 8, the waterproof sound-transmitting membrane of second 5 covers on circle phonic hole 8, has adhered to first waterproof sound-transmitting membrane 3 on the second phonic hole 7 that outer housing 2 was seted up, has adhered to waterproof sound-transmitting membrane of second 5 on the circle phonic hole 8 that upper housing 4 was seted up simultaneously, under the prerequisite that can ensure loudspeaker phonation, its waterproof gas permeability is good, can compensate traditional protection casing waterproof nature difference promptly, can ensure the effect of phonating again, simple structure easily makes.

Specifically, the bottom of the outer edge platform of the horn pelvis 1 is provided with an annular groove 9, the top end of the outer housing 2 is provided with a convex ring 10, and the outer housing 2 is spliced with the horn pelvis 1 through the convex ring 10 and the annular groove 9.

In this embodiment, the outer housing 2 is inserted into the horn pelvis 1 through the convex ring 10 and the annular groove 9, so that the upper end of the outer housing 2 is stably connected with the horn pelvis 1.

Specifically, the outer side of the bottom end of the horn pelvis 1 is provided with a threaded layer 11, the bottom end of the outer housing 2 is provided with a threaded hole 12, and the outer housing 2 is in threaded connection with the horn pelvis 1 through the threaded hole 12 and the threaded layer 11.

In this embodiment, outer housing 2 passes through screw hole 12 and

screw thread layer

11 and 1 threaded connection of loudspeaker pelvis, and the connection of guarantee outer housing 2 bottom and loudspeaker pelvis 1 is firm, makes things convenient for dismouting outer housing 2.

Specifically, the first sound-transmitting holes 6 are uniformly distributed on the horn pelvis 1 in an annular strip shape, the second sound-transmitting holes 7 are uniformly distributed on the outer side of the outer housing 2 in a surrounding mode, and the second sound-transmitting holes 7 correspond to the first sound-transmitting holes 6.

In this embodiment, after the speaker makes a sound, the sound is transmitted through the first sound-transmitting hole 6 and the second sound-transmitting hole 7.

Specifically, the top of loudspeaker pelvis 1 is equipped with snap ring 13, the bottom of going up housing 4 is equipped with annular 14, go up housing 4 through annular 14 and snap ring 13 and loudspeaker pelvis 1 joint.

In this embodiment, the upper cover shell 4 is clamped with the horn pelvis 1 through the ring groove 14 and the snap ring 13, so that the upper cover shell 4 is convenient to disassemble and assemble.

Specifically, the upper housing 4 is of an arch structure, the circular sound holes 8 are uniformly distributed on the upper housing 4, and the outer edge of the second waterproof sound-transmitting membrane 5 is attached to the upper housing 4 in an arch shape through glue.

In this embodiment, the first waterproof sound-transmitting membrane 3 and the second waterproof sound-transmitting membrane 5 are made of EPTFE, which is the latest generation waterproof and breathable material, and waterproof and breathable properties are currently the most excellent.

The utility model discloses a theory of operation and use flow: when using, first waterproof sound-transmitting membrane 3 has been adhered to on the second sound-transmitting hole 7 that outer housing 2 was seted up, the waterproof sound-transmitting membrane 5 of second has been adhered to on the round sound hole 8 that last housing 4 was seted up simultaneously, under the prerequisite that can ensure loudspeaker are sounded, its waterproof gas permeability is good, can compensate traditional protection casing waterproof nature poor promptly, can ensure the effect of sounding again, outer housing 2 has adopted earlier grafting back threaded connection's mode, peg graft with loudspeaker pelvis 1 through bulge loop 10 and annular groove 9 promptly, through screw hole 12 and screw thread layer 11 and loudspeaker pelvis 1 threaded connection, dismouting outer housing 2 has been made things convenient for, upper housing 4 has then adopted the mode of joint, through annular groove 14 and snap ring 13 and loudspeaker pelvis 1 joint promptly, dismouting upper housing 4 has been made things convenient for, no matter is assembly or maintenance, all easy dismouting, user's operation has been made things convenient for.

To sum up, according to the shield structure for the metal casting, the first waterproof sound-transmitting film 3 is attached to the second sound-transmitting hole 7 formed in the outer housing 2, and the second waterproof sound-transmitting film 5 is attached to the circular sound-transmitting hole 8 formed in the upper housing 4, so that on the premise that the sound of a loudspeaker can be ensured, the shield structure is good in waterproof and air permeability, capable of making up the poor waterproof property of the traditional shield and ensuring the sound production effect, simple in structure and easy to manufacture; the outer housing 2 adopts a mode of firstly inserting and then connecting threads, and the upper housing 4 adopts a clamping mode, so that the assembly or the maintenance can be realized easily, the disassembly and the assembly are easy, and the operation of a user is facilitated.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a guard shield structure for metal casting, includes loudspeaker pelvis (1), outer casing (2), first waterproof sound-transmitting membrane (3), goes up casing (4) and waterproof sound-transmitting membrane of second (5), its characterized in that: loudspeaker pelvis (1) is located outer housing (2), peg graft on loudspeaker pelvis (1) outer edge bench on the top of outer housing (2), and the bottom threaded connection of its bottom and loudspeaker pelvis (1), be equipped with first sound transmission hole (6) on loudspeaker pelvis (1), be equipped with second sound transmission hole (7) on outer housing (2), first waterproof sound transmission membrane (3) cover on second sound transmission hole (7), go up the top of housing (4) joint in loudspeaker pelvis (1), round sound hole (8) have been seted up on going up housing (4), waterproof sound transmission membrane (5) of second cover on round sound hole (8).

2. A shield structure for metal castings according to claim 1, wherein: the horn pelvis (1) is characterized in that an annular groove (9) is formed in the bottom of the outer edge table of the horn pelvis (1), a convex ring (10) is arranged at the top end of the outer housing (2), and the outer housing (2) is connected with the horn pelvis (1) in an inserting mode through the convex ring (10) and the annular groove (9).

3. A shield structure for metal castings according to claim 1, wherein: the loudspeaker pelvis (1) is characterized in that a threaded layer (11) is arranged on the outer side of the bottom end of the loudspeaker pelvis (1), a threaded hole (12) is formed in the bottom end of the outer housing (2), and the outer housing (2) is in threaded connection with the loudspeaker pelvis (1) through the threaded hole (12) and the threaded layer (11).

4. A shield structure for metal castings according to claim 1, wherein: the first sound-transmitting holes (6) are uniformly distributed on the horn pelvis (1) in an annular strip shape, the second sound-transmitting holes (7) are uniformly distributed on the outer side of the outer housing (2) in a surrounding mode, and the second sound-transmitting holes (7) correspond to the first sound-transmitting holes (6).

5. A shield structure for metal castings according to claim 1, wherein: the top of loudspeaker pelvis (1) is equipped with snap ring (13), the bottom of going up housing (4) is equipped with annular (14), go up housing (4) through annular (14) and snap ring (13) and loudspeaker pelvis (1) joint.

6. A shield structure for metal castings according to claim 1, wherein:

the upper encloser (4) is of an arch structure, the round sound holes (8) are uniformly distributed on the upper encloser (4),

the outer edge of the second waterproof sound-transmitting film (5) is adhered to the upper housing (4) with the arched surface through glue.