CN219285403U - Shell with inside and outside air pressure adjusting structure and radar - Google Patents

Abstract

The utility model provides a shell with an internal and external air pressure adjusting structure and a radar, comprising an upper shell and a piston; a first opening is formed in any position of the inner surface of the upper shell, a second opening is formed in any position of the outer surface of the upper shell, the first opening and the second opening are connected through a slideway, and the slideway is arranged in the upper shell; the piston is movably disposed within the slideway. According to the utility model, the first opening and the second opening formed in the upper shell are connected and communicated through the slide way, and the movable piston is arranged in the slide way, so that when the pressure inside the shell changes, the piston can move along with the internal and external pressure difference, and the purpose of balancing the internal and external pressure difference is achieved. Meanwhile, the movable piston is arranged on the slide way, so that external moisture can be prevented from penetrating into the shell, the stability and reliability of the shell are improved, the service life of the movable piston can be prolonged, and the structure is more reasonable and attractive.

Description

Shell with inside and outside air pressure adjusting structure and radar

Technical Field

The utility model relates to the technical field of radars, in particular to a shell with an internal and external air pressure adjusting structure and a radar.

Background

At present, the radar is widely applied to vehicles, and the radar realizes the functions of distance detection, parking assistance, automatic driving and the like by utilizing the technologies of laser, ultrasonic waves, microwaves and the like, so as to provide safety assurance for the vehicles. The radar is applied to vehicles, so that the burden of a driver can be effectively reduced, and the comfort is improved.

Along with the development of science and technology, the radar has more and more functions, so that more and more heat is generated during the operation of the radar, and the accumulated heat can cause the increase of internal pressure, so that the stability and the reliability of the operation of the radar are not facilitated.

The utility model with the bulletin number of CN210894680U can balance internal and external air pressure and prevent moisture from entering the inside by arranging the waterproof ventilation holes and the waterproof breathable film at the protective shell. However, the technical scheme still has the defects that the waterproof and breathable film is easy to lose performance after long-time use, moisture is accumulated at the air holes, and the risk of internal water seepage is increased.

The utility model with the publication number of CN216696665U is provided with an opening on the shell body, a sliding channel is arranged at the opening, a piston is arranged in the sliding channel, and the pressure difference between the inside and the outside is balanced through the movement of the piston. However, the technical scheme still has the defects that the sliding channel extends out of the shell body, so that the product has poor integrity and poor attractive appearance.

Disclosure of Invention

The utility model aims to provide a shell and a radar with an internal and external air pressure adjusting structure, so that the internal pressure difference of the shell is balanced, the risk that external moisture penetrates into the shell is reduced, the inside of the shell is kept dry, the stability of the inside of the shell is ensured, and meanwhile, the structural arrangement is more reasonable and attractive, and the integrity is stronger.

In order to achieve the above object, the present utility model provides a housing having an internal and external air pressure adjusting structure, comprising:

the upper shell is provided with a first opening at any position on the inner surface of the upper shell, a second opening at any position on the outer surface of the upper shell, the first opening and the second opening are connected through a slideway, and the slideway is arranged in the upper shell;

and the piston is movably arranged in the slideway.

In some embodiments, the slide includes a first slide for movement of the piston and a second slide for limiting;

one end of the first slide way is connected with the first opening, the other end of the first slide way is connected and communicated with one end of the second slide way, one end of the second slide way away from the first slide way is communicated with the second opening, and the pipe diameter of the second slide way is smaller than that of the piston.

In some embodiments, the piston surface is provided with a plurality of annular protrusions along the longitudinal direction of the piston, and the annular protrusions can be in clamping fit with the first slide way.

In some embodiments, a lower housing is also included, the lower housing having an opening, and the upper housing cover being disposed over the opening.

In some embodiments, the upper housing is provided with a protrusion matched with the lower housing, and the lower housing and the protrusion are in clamping fit with each other, so that the lower housing and the upper housing are fixedly connected.

In some embodiments, the protruding part is arranged on one side of the upper shell facing the lower shell, and an inner groove is arranged around the upper shell, the inner groove is sleeved with a sealing ring,

in some embodiments, the upper housing and the lower housing are laser welded such that the upper housing and the lower housing form a sealed space.

In some embodiments, the upper or lower housing is provided with a hanger, and the hanger is provided with a hanging hole.

In some embodiments, the lower housing is provided with mounting terminals for snap-fitting onto an external device.

The present utility model also provides a radar including:

a circuit board and a housing having an internal and external air pressure regulating structure provided in any one of the above;

the circuit main board is provided with a positioning hole;

the shell with the internal and external air pressure adjusting structure further comprises a lower shell with an opening, the upper shell cover is arranged at the opening and forms a cavity together with the lower shell, the lower shell is provided with a positioning column matched with the positioning hole, and the positioning column can penetrate through the positioning hole to mount the circuit main board in the cavity.

The shell with the internal and external air pressure adjusting structure and the radar provided by the utility model have the following beneficial effects:

1. according to the shell with the internal and external air pressure adjusting structure and the radar, the slide way which is connected and communicated with the second opening of the first opening is arranged on the upper shell, when the pressure inside the shell is increased, the piston moves a certain distance in the direction away from the first opening, and when the pressure inside the shell is reduced, the piston moves a certain distance in the direction close to the first opening, so that the purpose of balancing the internal and external pressure difference is achieved.

2. Compared with the air holes arranged at the positions of the shell in the prior art, the shell with the internal and external air pressure adjusting structure and the radar provided by the utility model have the advantages that the piston which is mutually clamped and matched with the slide way is arranged, so that the water seepage resistance of the shell is improved, the risk of functional failure caused by water seepage in the radar can be effectively reduced, and the working reliability of the radar is improved.

3. The slide way is arranged in the upper shell, so that the structure is more reasonable and attractive, and the integration is stronger.

4. According to the shell with the internal and external air pressure adjusting structure and the radar, the mounting terminal and the hanging lugs are arranged on the shell, so that the installation of the radar is facilitated, and the installation efficiency is improved.

Drawings

The above features, technical features, advantages and implementation modes of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and understandable manner.

FIG. 1 is a block diagram of an upper housing of an embodiment of the present utility model;

FIG. 2 is an enlarged view of a piston according to an embodiment of the present utility model;

FIG. 3 is a top view of the upper housing of an embodiment of the present utility model;

FIG. 4 is a diagram of the lower housing structure of an embodiment of the present utility model;

FIG. 5 is a top view of an embodiment of the radar of the present utility model;

fig. 6 is a circuit board structure diagram of an embodiment of the present utility model.

Reference numerals illustrate:

the upper casing 100, the first opening 110, the second opening 120, the slideway 130, the first slideway 131, the second slideway 132, the piston 140, the annular protrusion 141 and the protrusion 150;

lower housing 200, opening 210, mounting terminals 220, positioning posts 230;

a hanger 300, a hanger hole 310;

a circuit board 400, a positioning hole 410, and a mounting hole 420;

PIN 500.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

In one embodiment, a housing having an internal and external air pressure regulating structure is described with reference to fig. 1-3 of the drawings, which includes an upper housing 100, a piston 140, and a slide 130 for connecting a first opening 110 and a second opening 120, and the pressure difference between the inside and outside of the housing is balanced by the movement of the piston 140 within the slide 130, reducing adverse effects due to excessive pressure.

In particular, referring to fig. 1 to 3 of the drawings of the specification, a first opening 110 is provided at any position on the inner surface of the upper housing 100, and a second opening 120 is provided at any position on the outer surface of the upper housing 100. A slide 130 is disposed in the upper housing 100, and two ends of the slide 130 are respectively connected with the first opening 110 and the second opening 120, so that the slide 130, the first opening 110 and the second opening 120 can penetrate through the upper housing 100. Also disposed within the slide 130 is a piston 140, the piston 140 sealing the upper housing 100 and being capable of movement within the slide 130. When the components inside the shell are not in operation, the piston 140 is in the initial position of the slideway 130, when the components inside the shell start to operate, the temperature inside the shell rises to expand the gas in the shell, the pressure increase pushes the piston 140 to move towards the direction close to the second opening 120, and when the pressure inside and outside the shell reaches an equilibrium state, the piston 140 stops moving. When the internal components are stopped, the temperature inside the housing is gradually reduced, the gas generation shrinkage gas pressure is reduced, the external gas pushes the piston 140 to move towards the direction close to the first opening 110 until the gas pressure inside and outside the housing reaches an equilibrium state, and the piston 140 stops moving.

In the present embodiment, the slide 130 is disposed inside the upper case 100, and the piston 140 moves in the slide 130, so that the pressure difference between the inside and outside can be balanced. Compared with the existing shell capable of adjusting the pressure difference between the inside and the outside, the risk of water seepage of the shell can be reduced, and the structural arrangement is more reasonable and attractive.

In one embodiment, referring to fig. 1 of the drawings, the slide 130 includes a first slide 131 and a second slide 132, wherein the first slide 131 is slidable by the piston 140, and the second slide 132 is configured to limit the range of motion of the piston 140 such that the piston 140 is movable only within the first slide 131.

Specifically, one end of the first slide 131 is connected with the first opening 110, the other end of the first slide 131 is connected with one end of the second slide 132, and the first slide 131 is connected with the second slide 132. The end of the second slideway 132 remote from the first slideway 131 is connected to the second aperture 120.

It is noted that the pipe diameter of the second sliding way 132 is smaller than that of the piston 140, when the pressure difference between the inside and outside is too large, the piston 140 is pushed by the pressure to move in the first sliding way 131, and the piston 140 cannot be separated from the sliding way 130, so that the piston 140 is always located in the first sliding way 131.

In one embodiment, the first number of openings 110 is one and disposed on the inner surface of the upper housing 100, and the second number of openings 120 is two and disposed on the outer surface of the upper housing 100. The slide 130 includes a first slide 131 and a second slide 132, one end of the first slide 131 is connected to the first opening 110, and the first slide 131 is movable by the piston 140. One end of the second slide 132 includes a first branch and a second branch, and then the first branch and the second branch are respectively connected with a second opening 120, and one end of the second slide 132 far away from the first branch and the second branch is connected with one end of the first slide 131 near the second slide 132, so that the first slide 131 is connected with the second slide 132. The pipe diameter of the second slideway 132 is smaller than that of the piston 140, and the piston 140 is limited by the second slideway 132 when being pushed by internal pressure to move in the first slideway 131, so that the piston 140 can be prevented from falling off from the slideway 130 due to overlarge internal and external pressure difference.

In practical applications, the positions and the number of the first openings 110, the second openings 120 and the sliding ways 130 may be set according to practical needs. The first openings 110 and the second openings 120 with different numbers and different positions can be freely combined to achieve the purpose of balancing the internal and external air pressures, and the first openings and the second openings can be flexibly changed according to actual requirements, which are not described in detail herein, and are all within the protection scope of the present utility model.

In one embodiment, referring to fig. 2 of the drawings, the present embodiment provides a specific form of the piston 140, in which a plurality of annular protrusions 141 are disposed along a longitudinal extending direction of a surface of the piston 140, and the annular protrusions 141 are integrally formed with the piston 140. By arranging the annular bulge 141 on the surface of the piston 140, the piston 140 can be clamped and matched with the first slide way 131 through the annular bulge 141, so that the tightness between the piston 140 and the first slide way 131 is improved. Meanwhile, the annular protrusion 141 can be in direct contact with the first slideway 131, so that the contact area between the piston 140 and the first slideway 131 is reduced, the piston 140 is convenient to move, and the sensitivity of the piston 140 under the condition of smaller pressure difference is improved.

In one embodiment, referring to fig. 5 of the drawings, a housing having an internal and external air pressure adjusting structure further includes a lower case 200 provided with an opening 210, and an upper case 100 is provided at the opening 210.

In one embodiment, one side of the upper shell 100 and one side of the lower shell 200 are connected through a rotating shaft, at least one upper buckle is arranged on one side, away from the rotating shaft, of the upper shell 100, a plurality of lower buckles capable of being connected with the upper buckles in a matched mode are arranged on one side, away from the rotating shaft, of the lower shell 200, and the upper buckles and the lower buckles can be in one-to-one corresponding clamping connection. In use, the opening and closing angle between the upper casing 100 and the lower casing 200 can be adjusted through the rotating shaft, the upper casing 100 is in contact with the lower casing 200 through adjusting the opening and closing angle, and then the upper buckle and the lower buckle can be clamped with each other, so that the upper casing 100 and the lower casing 200 are fixedly connected. In this embodiment, when the maintenance to the inside components and parts of shell is needed, only need to separate last buckle and lower buckle, dismantle easy maintenance.

In one embodiment, referring to fig. 3-5 of the drawings, the upper housing 100 is provided with a protrusion 150 that mates with the opening 210 of the lower housing 200, and in actual production applications, the upper housing 100 may be positioned over the lower housing 200 such that the protrusion 150 is fixedly attached to the opening 210.

Preferably, a plurality of countersunk holes are formed at the corners of the periphery of the upper shell 100, a plurality of connecting holes matched with the countersunk holes are formed at the corners of the periphery of the lower shell 200, the countersunk holes correspond to the connecting holes one by one, internal threads are formed inside the countersunk holes and the connecting holes, and the upper shell 100 and the lower shell 200 can be connected through bolts. Specifically, when the upper case 100 is covered over the lower case 200, the protruding portion 150 can be fastened to the opening 210 of the lower case 200, and at the same time, the bolts can sequentially pass through the countersunk holes and the connection holes, so that the upper case 100 and the lower case 200 are mounted and fixed by rotating the bolts. The upper case 100 and the lower case 200 are coupled by bolts, so that the strength of the outer case can be further increased.

In one embodiment, this embodiment provides a way to enhance the seal of the housing. The protrusion 150 is disposed at a side of the upper case 100 away from the second opening 120, i.e., at a side of the upper case 100 near the lower case 200, and an inner groove is provided around the upper case 100, and then a sealing ring may be provided at the inner groove. When the upper shell 100 is covered on the lower shell 200, the protruding portion 150 can be clamped at the opening 210, and meanwhile, the sealing ring arranged at the inner groove is in mutual extrusion contact with the lower shell 200, so that the sealing performance of the shell can be improved, the influence of external environment substances on internal components is reduced, and the service life of the shell is prolonged.

In one embodiment, the upper casing 100 and the lower casing 200 may be connected by laser welding, so that the upper casing 100 and the lower casing 200 form a closed space, and external gas and moisture are not easy to enter into the casing.

Of course, in actual production, the connection modes of the upper casing 100 and the lower casing 200 may be various, only some embodiments of which are listed herein, and particularly may be flexibly changed according to actual requirements, which are not described herein in detail, and all the connection modes are within the scope of the present utility model.

In one embodiment, referring to fig. 4 and 5 of the drawings, the present embodiment provides a manner in which the housing is hung on the external device. A plurality of hanging lugs 300 are provided on the upper housing 100 or the lower housing 200, and hanging holes 310 are provided on the hanging lugs 300. The hanger 300 is integrally formed with the upper case 100 or the lower case 200, improving the partial structural stability. By providing the suspension loop 300, the housing is facilitated to be hung on an external device. In actual production, the number of the hanging lugs 300 can be flexibly changed according to actual demand.

Specifically, referring to fig. 4 and 5 of the drawings, the hanger 300 is provided on a sidewall of the lower case 200.

In one embodiment, referring to fig. 4 and 5 of the drawings, the side of the lower case 200 is provided with mounting terminals 220 for clamping the housing to an external device.

Referring to fig. 1-6 of the drawings, the present utility model further provides a radar, which may specifically include a circuit board 400 and a housing having an internal and external air pressure adjusting structure according to any of the above embodiments. Wherein the upper case 100 and the lower case 200 are coupled together and form a chamber capable of accommodating the circuit board 400. A positioning column 230 is disposed in the lower housing 200, and a positioning hole 410 is disposed on the circuit board 400, where the positioning column 230 and the positioning hole 410 can be engaged with each other. The heat that the long-time work of radar produced leads to the inside temperature of shell to rise, and when atmospheric pressure increases, piston 140 receives the effect of inside pressure to being close to the direction removal of second slide 132, and when the radar stopped working, the inside temperature of shell reduces, and atmospheric pressure reduces, and piston 140 receives the effect of outside pressure to being kept away from the direction removal of second slide 132, and then reaches the effect of balanced radar inside and outside pressure differential, has guaranteed the stability and the reliability of radar work, and the structure setting is more reasonable and pleasing to the eye.

Further, a plurality of mounting holes 420 are formed in the circuit board 400, PIN 500 is disposed in the mounting holes 420, one end of the PIN 500 is disposed in the mounting holes 420, and the other end is disposed in the mounting terminal 220. In actual use, the radar is arranged on the external device through the mounting terminal 220 and is in circuit communication with the external device through the PIN 500, so that when the radar is clamped on the external device through the mounting terminal 220, the collected related data can be transmitted to the corresponding external device through the PIN 500.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. A housing having an internal and external air pressure regulating structure, comprising:

the upper shell is provided with a first opening at any position on the inner surface of the upper shell, a second opening at any position on the outer surface of the upper shell, the first opening and the second opening are connected through a slideway, and the slideway is arranged in the upper shell;

and the piston is movably arranged in the slideway.

2. The housing having an internal and external air pressure regulating structure according to claim 1, wherein said slide includes a first slide for movement of said piston and a second slide for limiting;

one end of the first slide way is connected with the first opening, the other end of the first slide way is connected and communicated with one end of the second slide way, one end of the second slide way away from the first slide way is communicated with the second opening, and the pipe diameter of the second slide way is smaller than that of the piston.

3. The housing with internal and external air pressure regulating structure according to claim 2, wherein the piston surface is provided with a plurality of annular protrusions along the longitudinal direction of the piston, and the annular protrusions can be engaged with the first slide way in a clamping manner.

4. The housing having an internal and external air pressure regulating structure according to claim 1, further comprising a lower housing having an opening, and said upper housing being covered over said opening.

5. The housing with internal and external air pressure regulating structure according to claim 4, wherein said upper housing is provided with a protrusion matched with said lower housing, said lower housing and said protrusion are engaged with each other so that said lower housing and said upper housing are fixedly connected.

6. The housing having an internal and external air pressure regulating structure according to claim 5, wherein said protruding portion is provided on a side of said upper case facing said lower case, and an inner groove is provided around said upper case, and a seal ring is fitted around said inner groove.

7. The housing with internal and external air pressure regulating structure according to claim 4 or 5, wherein the upper housing and the lower housing are laser welded such that the upper housing and the lower housing form a sealed space.

8. A housing with internal and external air pressure regulating structure according to claim 4 or 5, wherein said upper housing or said lower housing is provided with a hanger, and said hanger is provided with a hanging hole.

9. A housing having an internal and external air pressure regulating structure according to claim 4 or 5, wherein said lower case is provided with mounting terminals for being snapped onto an external device.

10. A radar comprising a housing having an internal and external air pressure regulating structure as claimed in any one of claims 1 to 9, further comprising:

the circuit main board is provided with a positioning hole;

the shell with the internal and external air pressure adjusting structure further comprises a lower shell with an opening, the upper shell cover is arranged at the opening and forms a cavity together with the lower shell, the lower shell is provided with a positioning column matched with the positioning hole, and the positioning column can penetrate through the positioning hole to mount the circuit main board in the cavity.

Images