CN212717954U

CN212717954U - Sealing gasket for sealing laser radar and laser radar

Info

Publication number: CN212717954U
Application number: CN202020815197.5U
Authority: CN
Inventors: 疏达; 王海波; 李�远
Original assignee: Benewake Beijing Co Ltd
Current assignee: Benewake Beijing Co Ltd
Priority date: 2020-05-16
Filing date: 2020-05-16
Publication date: 2021-03-16
Anticipated expiration: 2030-05-16

Abstract

The application relates to the technical field of sealing gaskets, in particular to a sealing gasket for sealing a laser radar and the laser radar. The sealing gasket comprises a rigid framework, wherein a positioning hole is formed in the rigid framework, a screw hole corresponding to the positioning hole is formed in a laser radar shell, a screw penetrates through the positioning hole and the screw hole, the rigid framework and the laser radar shell are fixed in relative position, a through hole is formed in the rigid framework, an elastic material layer is further arranged on the rigid framework, and elastic materials on the two sides of the rigid framework are connected through the through hole, so that the framework is embedded in the elastic material layer. The laser radar device adopts the rigid framework, the rigid framework is fixed with the laser radar shell in a relative position through the positioning hole, a sealing groove does not need to be formed in the shell, and the size is small; and an elastic material layer is also arranged on the rigid framework, so that the tightness in the sealing process is ensured.

Description

Sealing gasket for sealing laser radar and laser radar

Technical Field

The application relates to the field of sealing gaskets, in particular to a sealing gasket for sealing a laser radar and the laser radar.

Background

In the manufacturing process of the laser radar, a sealing groove is usually formed in a laser radar shell and is matched and sealed with a sealing strip for sealing the laser radar. For a product with compact structural requirements, in order to achieve the sealing grade, the position, the shape and the size of the sealing groove are required, the overall dimension of the product is usually sacrificed, and then the overall dimension of the laser radar product is increased, so that the weight of the product is increased, and the application of the product is limited. And for the shaped seal ring, it is more troublesome in assembling, resulting in a decrease in practical productivity, and the reliability of waterproofing is also generally low.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a sealing gasket for sealing a laser radar and the laser radar, and solves the problems that the prior art cannot meet the requirements of high sealing grade and small size at the same time.

To achieve the purpose, the embodiment of the application adopts the following technical scheme:

on the one hand, the sealing gasket for sealing the laser radar comprises a rigid framework, wherein a positioning hole is formed in the rigid framework, a screw hole corresponding to the positioning hole is formed in a laser radar shell, a screw penetrates through the positioning hole and the screw hole, the rigid framework and the laser radar shell are fixed in relative positions, a through hole is formed in the rigid framework, an elastic material layer is further arranged on the rigid framework, and elastic materials on two sides of the rigid framework are connected through the through hole, so that the framework is embedded in the elastic material layer.

In a possible implementation mode, the rigid framework comprises a transverse sealing edge and a vertical sealing edge, the transverse sealing edge and the vertical sealing edge are connected to form an integral structure, a corner structure matched with the laser radar shell is formed at the joint of the transverse sealing edge and the vertical sealing edge, and the positioning hole is formed in the corner structure.

In one possible implementation, the thickness of the rigid skeleton is 0.2-0.8 mm.

In one possible implementation, the thickness of the rigid skeleton is 0.3-0.5 mm.

In a possible realization, the thickness of the elastic material layer is 1-6 mm.

In a possible realization, the thickness of the elastic material layer is 2-5 mm.

In a possible realization, the perforations have a diameter of 0.4-1mm and a distance of 10-15mm between the perforations.

In a possible realization, the perforations have a diameter of 0.5-0.7mm and a distance between the perforations of 12-14 mm.

On the other hand, the laser radar comprises a front shell and a rear shell matched with the front shell, wherein the sealing gasket according to any one of the possible embodiments is arranged between the front shell and the rear shell, the front shell or the rear shell is provided with a screw hole corresponding to the positioning hole, a screw penetrates through the positioning hole and the screw hole to fix the relative position of the sealing gasket and the front shell or the rear shell of the laser radar, and the sealing gasket is in interference fit with the front shell and the rear shell of the laser radar to form sealing.

In a possible implementation mode, the interference magnitude of the sealing gasket and the front shell and the rear shell of the laser radar is 0.3-3 mm.

The sealing gasket adopts the rigid framework, the rigid framework is fixed with the laser radar shell in a relative position through the positioning hole, a sealing groove does not need to be formed in the shell, and the size of the laser radar cannot be increased additionally; still be provided with the elastic material layer on the rigidity skeleton, the elastic material layer provides elasticity, guarantees the compactness of sealed in-process.

Drawings

FIG. 1 is an exploded view of a gasket according to an embodiment of the present invention.

FIG. 2 is a schematic view of a gasket assembly according to an embodiment of the present application.

Fig. 3 is an exploded view of the lidar according to an embodiment of the present disclosure.

In the figure: 1. a rigid skeleton; 2. positioning holes; 3. a screw hole; 4. a layer of elastomeric material; 5. perforating; 6. a transverse sealing edge; 7. a vertical sealing edge; 8. a corner structure; 9. a front housing; 10. a rear shell.

Detailed Description

The technical scheme of the application is further explained by the specific implementation mode in combination with the attached drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.

The embodiment of the application.

As shown in fig. 1 and 2, a sealing gasket for sealing a laser radar comprises a rigid framework 1, wherein a positioning hole 2 is formed in the rigid framework 1, as shown in fig. 3, a screw hole 3 corresponding to the positioning hole 2 is formed in a laser radar shell, a screw (not shown in the figure) penetrates through the positioning hole 2 and the screw hole 3, the rigid framework 1 and the laser radar shell are fixed in relative positions, a through hole 5 is formed in the rigid framework 1, an elastic material layer 4 is further arranged on the rigid framework 1, and elastic materials on two sides of the rigid framework 1 are connected through the through hole, so that the framework is embedded in the elastic material layer 4.

The sealing gasket adopts the rigid framework 1, provides hardness and toughness for the whole sealing gasket, and enables the whole sealing gasket to be stable in structure, compared with the traditional sealing gasket without the rigid framework 1, the sealing gasket is easy to assemble in the assembling and disassembling processes, the rigid framework 1 is fixed with the laser radar shell through the positioning hole 2, a sealing groove does not need to be formed in the shell, and the size of the laser radar cannot be additionally increased; an elastic material layer 4 is further arranged on the rigid framework, and the elastic material layer 4 provides elasticity to ensure tightness in the sealing process. The through hole 5 is formed in the rigid framework 1, the elastic materials on the two sides of the rigid framework 1 are connected through the through hole, the rigid framework 1 is embedded into the elastic material layer 4, the rigid framework 1 is connected with the elastic material layer 4 more tightly, and the situation that the elastic material layer 4 falls off from the rigid framework 1 cannot occur.

As shown in fig. 2, the rigid framework 1 comprises a transverse sealing edge 6 and a vertical sealing edge 7, the transverse sealing edge and the vertical sealing edge are connected to form an integral structure, a corner structure 8 matched with the laser radar shell is formed at the joint of the transverse sealing edge and the vertical sealing edge, and the positioning hole 2 is formed in the corner structure 8.

Rigid skeleton 1 can design according to laser radar shell shape, and rigid skeleton 1 commonly used includes horizontal sealing edge 6, vertical sealing edge 7, and horizontal sealing edge 6, vertical sealing edge 7 are connected and are constituteed tetragonal rigid skeleton 1, and locating hole 2 sets up on corner structure 8, and not influenced sealing performance by the elastic material layer coverage, need not do sealed waterproof design to screw, locating hole 2 alone when the fastening like this.

The thickness of the rigid framework 1 is 0.2-0.8 mm.

The thickness of the rigid framework 1 is 0.3-0.5 mm.

The thickness of the elastic material layer 4 is 1-6 mm.

The thickness of the elastic material layer 4 is 2-5 mm.

The thickness of the rigid framework 1 is 0.2-0.8mm, preferably 0.3-0.5mm, the rigid framework 1 is made of hard materials such as metal or resin, the thinner thickness can provide hardness and toughness for the sealing gasket, and the thinner thickness can also reduce the volume of the sealing gasket; the thickness of the elastic material layer 4 is 1-6mm, preferably 2-5mm, and the elastic material layer 3 is selected from elastic resin and needs to have a certain thickness to meet the sealing requirement.

The diameter of the through holes 5 is 0.4-1mm, and the distance between the through holes 5 is 10-15 mm.

The diameter of the through holes 5 is 0.5-0.7mm, and the distance between the through holes 5 is 12-14 mm.

The through holes 5 are used for enabling the elastic material layer 4 to be in close contact with the rigid framework 1, the diameter of the through holes 5 is too small to be processed conveniently, the whole structure of the rigid framework 1 is influenced if the diameter of the through holes 5 is too large, the distance between the through holes 5 is too close to be processed complexly, and the effect that the elastic material layer 4 can be in close contact with the rigid framework 1 cannot be achieved if the distance between the through holes 5 is too far away.

As shown in fig. 3, a laser radar includes a front shell 9 and a rear shell 10 engaged with the front shell 9, a sealing gasket according to any of the above embodiments is disposed between the front shell 9 and the rear shell 10, a screw hole 3 corresponding to the positioning hole 2 is disposed on the front shell 9 or the rear shell 10, a screw passes through the positioning hole 2 and the screw hole 3, the relative position of the sealing gasket and the front shell 9 or the rear shell 10 of the laser radar is fixed, and the sealing gasket is in interference fit with the front shell 9 and the rear shell 10 of the laser radar to form a seal.

The interference magnitude between the sealing gasket and the front shell 9 and the rear shell 10 of the laser radar is 0.3-3 mm.

Screw hole 3 is seted up on laser radar's preceding shell 9 or backshell 10, and the screw passes locating hole 2, screw hole 3, and it is fixed to seal pad and laser radar preceding shell 9 or backshell 10 relative position, and elastic material layer 4 and laser radar shell interference fit, elastic material layer 4 and the sealed pad of laser radar shell in close contact with play sealed effect, and the interference is 0.3-3 mm.

The technical principles of the present application have been described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the present application and is not to be construed in any way as limiting the scope of the application. Based on the explanations herein, those skilled in the art will be able to conceive other embodiments of the present application without inventive effort, which shall fall within the scope of the present application.

Claims

1. The utility model provides a sealed pad for laser radar is sealed, its characterized in that includes a rigidity skeleton, has seted up the locating hole on the rigidity skeleton, is equipped with the screw that corresponds with the locating hole on the laser radar shell, and the screw passes locating hole, screw, fixes rigidity skeleton and laser radar shell relative position, has seted up the perforation on the rigidity skeleton, still be provided with the elastic material layer on the rigidity skeleton, the elastic material on rigidity skeleton two sides passes through the perforation and connects, makes the skeleton inlay in the elastic material in situ.

2. The gasket of claim 1, wherein the rigid frame comprises a horizontal sealing edge and a vertical sealing edge, the horizontal sealing edge and the vertical sealing edge are connected to form an integral structure, a corner structure adapted to the laser radar housing is formed at the joint of the horizontal sealing edge and the vertical sealing edge, and the positioning hole is formed in the corner structure.

3. The gasket for lidar seals of claim 2, wherein the rigid backbone has a thickness of 0.2-0.8 mm.

4. The gasket for lidar seals of claim 3, wherein the rigid backbone has a thickness of 0.3-0.5 mm.

5. The gasket for lidar sealing of claim 4, wherein the layer of elastomeric material has a thickness of 1-6 mm.

6. The gasket for lidar sealing of claim 5, wherein the layer of elastomeric material has a thickness of 2-5 mm.

7. The gasket for lidar sealing of claim 6, wherein the perforations have a diameter of 0.4-1mm and a distance between the perforations is 10-15 mm.

8. The gasket for lidar sealing of claim 7, wherein the perforations have a diameter of 0.5-0.7mm and a distance between the perforations is 12-14 mm.

9. A laser radar comprises a front shell and a rear shell matched with the front shell, and is characterized in that the sealing gasket according to any one of claims 1 to 8 is arranged between the front shell and the rear shell, a screw hole corresponding to the positioning hole is formed in the front shell or the rear shell, a screw penetrates through the positioning hole and the screw hole to fix the relative position of the sealing gasket and the front shell or the rear shell of the laser radar, and the sealing gasket is in interference fit with the front shell and the rear shell of the laser radar to form sealing.

10. The lidar of claim 9, wherein the interference between the gasket and the front and rear shells of the lidar is 0.3-3 mm.