CN214274150U - Sealing and fastening structure and antenna - Google Patents
Sealing and fastening structure and antenna Download PDFInfo
- Publication number
- CN214274150U CN214274150U CN202023350526.2U CN202023350526U CN214274150U CN 214274150 U CN214274150 U CN 214274150U CN 202023350526 U CN202023350526 U CN 202023350526U CN 214274150 U CN214274150 U CN 214274150U
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- screw
- screwhead
- fastening structure
- seal
- sealing washer
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Abstract
The utility model provides a sealed fastening structure and antenna, its technical scheme main points are sealed fastening structure and include screw, sealing washer and mounting panel, the screw includes interconnect's screw rod and screwhead, set up the mounting hole that supplies the screw rod to pass on the mounting panel, the sealing washer compresses tightly between screwhead and mounting panel, screwhead and screw rod junction protrusion form butt portion, butt portion with the circumference line face contact of mounting hole edge mounting hole. Utilize the screwhead to compress tightly the sealing washer, the butt portion that the protrusion formed on the screwhead simultaneously forms line face contact with the mounting hole, compares in the connected mode of face-to-face contact, has promoted sealed effect, and in addition, line face contact effectively reduces the frictional force that the sealing washer bore, prevents that the sealing washer from taking place the distortion even fracture under too big frictional force to ensure the leakproofness of sealing washer effectively, this seal structure installation is dismantled conveniently, and the suitability is wider.
Description
Technical Field
The utility model relates to an antenna technology field especially relates to a sealed fastening structure and antenna.
Background
The outer covers of the existing outdoor mobile communication equipment are fastened by screws and have waterproof requirements, and in the aspect of waterproof measures, two methods are adopted at present, wherein one method is to adopt liquid sealant for waterproof sealing, and the sealant is poured at the positions where the screws are installed, so that the sealing and waterproof effects are achieved; another sealing method is to use a rubber sealing ring to seal. Adopt sealed gluey existence of liquid to beat to glue the trouble, it is long consuming time, and the inconvenient problem of dismantling, be unfavorable for used repeatedly moreover, and the mode that adopts rubber seal to add the boss then has certain structural constraint, and the suitability is lower.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first purpose aims at providing a simple to operate, the better and wider sealed fastening structure of suitability of leakproofness.
Another object of the present invention is to provide an antenna using the above sealing and fastening structure.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a sealed fastening structure, includes screw, sealing washer and mounting panel, the screw includes interconnect's screw rod and screwhead, set up the mounting hole that supplies the screw rod to pass on the mounting panel, the sealing washer compresses tightly between screwhead and mounting panel, screwhead and screw rod junction protrusion form butt portion, butt portion with the circumferential line face contact of mounting hole along the mounting hole.
Further setting: the diameter of the circular section of the abutting part is gradually increased from one end close to the screw to one end far away from the screw.
Further setting: the side wall of the abutting part is an inclined abutting surface.
Further setting: the mounting panel is close to the juncture of the plane of screwhead one side and mounting hole inner wall surface and forms the butt limit, the butt limit with the butt face butt forms the line face contact.
Further setting: the one end that the mounting hole is close to the screwhead is equipped with the spigot surface of slope, spigot surface and mounting panel are close to the planar juncture formation of screwhead one side the butt limit, the contained angle of spigot surface and mounting panel surface is greater than the contained angle of butt face and mounting panel surface.
Further setting: the periphery of the screw head at the abutting part is provided with a sealing surface parallel to the plane of the mounting plate on the side close to the screw head, and the sealing surface is connected with the abutting part and presses the sealing ring on the mounting plate.
Further setting: the seal ring is used for being abutted against the abutting surface after being compressed and deformed.
Further setting: the sealing and fastening structure further comprises a nut, and the nut is installed on one side, far away from the screw head, of the installation plate and is in threaded connection with the screw.
The utility model also provides an antenna, including foretell sealed fastening structure.
Compared with the prior art, the utility model discloses a scheme has following advantage:
1. the utility model relates to an among the sealed fastening structure, utilize the screwhead to compress tightly the sealing washer, the butt portion that the protrusion formed on the screwhead forms line face contact with the mounting hole simultaneously, compare in the connected mode of face contact, sealed effect has been promoted, in addition, line face contact effectively reduces the frictional force that the sealing washer bore, prevent that the sealing washer from taking place the distortion even fracture under too big frictional force effect, thereby the leakproofness of sealing washer has been ensured effectively, this seal structure need not to adopt liquid sealant to seal, also need not to adopt the sealing washer to add the design of boss, the installation is dismantled conveniently, also be applicable in some occasions that receive the unsuitable design boss of structural constraint, the suitability is wider.
2. The utility model relates to an among the antenna, through adopting foretell sealed fastening structure, the holistic sealing performance of antenna promotes, ensures the normal work of antenna, and convenient to detach maintains simultaneously, and screw and sealing washer repeatedly usable have reduced cost of maintenance.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a sealing and fastening structure according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1, the utility model provides a sealed fastening structure, including screw 1, sealing washer 2 and mounting panel 3, screw 1 includes interconnect's screw rod 11 and screwhead 12, set up the mounting hole 31 that supplies screw rod 11 to pass on the mounting panel 3, sealing washer 2 compresses tightly between screwhead 12 and mounting panel 3, screwhead 12 forms butt portion 121 with the protrusion of screw rod 11 junction, butt portion 121 with the circumferential line face contact of mounting hole 31 along mounting hole 31.
Utilize screwhead 12 to compress tightly sealing washer 2, butt portion 121 and mounting hole 31 formation line face contact that the protrusion formed on screwhead 12 simultaneously, compare in the connected mode of face-to-face contact, the sealed effect has been promoted, in addition, line face contact effectively reduces the frictional force that sealing washer 2 bore, prevent that sealing washer 2 from taking place the distortion even fracture under the effect of too big frictional force, thereby sealing performance of sealing washer 2 has been ensured effectively, this seal structure need not to adopt liquid sealant to seal, also need not to adopt the design that sealing washer 2 adds the boss, the installation is dismantled conveniently, also be applicable in some occasions that receive the unsuitable design boss of structural constraint, the suitability is wider.
Further, the circular cross-sectional diameter of the abutting portion 121 gradually increases from the end closer to the screw 11 to the end farther from the screw 11. Because the diameter of the circular cross section of the abutting part 121 is gradually increased from the bottom to the top, the side wall of the abutting part 121 forms a gradual change structure, when the screw 1 is installed in the installation hole 31, the side wall of the abutting part 121 can abut against the hole edge of the installation hole 31 to form a line-surface contact structure, and therefore the effect of improving the sealing effect of the connection part of the screw 1 and the installation plate 3 is achieved. In another embodiment, the abutting portion 121 may have a cylindrical structure, that is, the diameter of each circular cross section of the abutting portion 121 is the same and is larger than the diameter of the screw 11, the inclined guide surface 311 is disposed at one end of the mounting hole 31 close to the screw head 12, and the circular edge of the abutting portion 121 close to one end of the screw 11 is in line-surface contact with the guide surface 311, so that the effect of improving the connection tightness between the screw 1 and the mounting plate 3 is also achieved.
In this embodiment, the sidewall of the abutting portion 121 is an inclined abutting surface 1211. In other embodiments, the side wall of the abutting portion 121 may also be curved. By providing the inclined abutting surface 1211 as the sidewall of the abutting portion 121, the structure is simple, the processing and the forming are easy, the reliability is good when the abutting portion abuts against the mounting plate 3, and the connection between the screw 1 and the mounting plate 3 is more stable.
Further, the flat surface of the mounting plate 3 on the side close to the screw head 12 and the inner wall surface of the mounting hole 31 form an abutting edge 32, and the abutting edge 32 abuts against the abutting surface 1211 to form line surface contact. In the present embodiment, the surface of the mounting plate 3 on the side close to the screw head 12 is flush, and the abutting portion 121 abuts against the hole edge of the mounting hole 31 on the side close to the screw head 12 to form line-surface contact. In other embodiments, the mounting plate 3 may also protrude from the mounting hole 31 to form a circle of boss structure, the sealing ring 2 may be sleeved on the outer periphery of the boss structure, and the abutting portion 121 abuts against the inner hole edge of the boss structure, thereby forming a line-surface contact structure.
In this embodiment, an inclined guide surface 311 is disposed at an end of the mounting hole 31 close to the screw head 12, the abutting edge 32 is formed by a boundary between the guide surface 311 and a plane of the mounting plate 3 on a side close to the screw head 12, and an included angle between the guide surface 311 and a surface of the mounting plate 3 is larger than an included angle between the abutting surface 1211 and the surface of the mounting plate 3. In the illustration, the abutting surface 1211 forms an angle a with the surface of the mounting plate 3, the guiding surface 311 forms an angle B with the surface of the mounting plate 3, and the angle B is greater than the angle a.
Through such setting, the mounting hole 31 is close to the spigot surface 311 of screwhead 12 one end and provides the guide effect for screw 1 inserts in the mounting hole 31, the convenience when having improved screw 1 and mounting panel 3 and assembling, promote assembly efficiency, in addition, the round hole limit on the guide surface 311 forms line face contact with the butt 1211 butt, simultaneously, contained angle B is greater than contained angle A, it is spacing to make screw 1 lock effectively, the compression capacity of sealing washer 2 has been guaranteed, thereby ensure the assembly leakproofness of screw 1 and mounting panel 3.
Further, the screw head 12 is provided with a sealing surface 122 parallel to a plane of the mounting plate 3 on the screw head 12 side on the outer periphery of the abutting portion 121, and the sealing surface 122 is connected to the abutting surface 1211 to press the seal ring 2 against the mounting plate 3. In other embodiments, the sealing surface 122 may not be parallel to the plane of the mounting plate 3.
Utilize sealing face 122 to carry out the centre gripping to sealing washer 2, make sealing washer 2 compression to form seal structure between sealing face 122 and mounting panel 3 surface, this project organization is fixed the effect preferred to the centre gripping of sealing washer 2, has guaranteed the sealed effect between screw 1 and the mounting panel 3.
Further, the seal ring 2 is adapted to abut against the abutment surface 1211 after the compression deformation thereof. Since the seal ring 2 is compressed and deformed by the vertical clamping action of the seal surface 122 and the mounting plate 3 during the sealing process, the seal ring 2 is forced to be deformed transversely, and the seal ring 2 abuts against the abutting surface 1211 after the compression deformation, the reliability of the assembly of the seal ring 2 and the screw 1 can be further ensured, and the sealing effect of the seal ring 2 can be further improved.
In this embodiment, the seal fastening structure further includes a nut 4, and the nut 4 is mounted on the side of the mounting plate 3 away from the screw head 12 and is in threaded connection with the screw 11. In other embodiments, the nut 4 may not be provided, and the mounting hole 31 on the mounting plate 3 may be provided as a screw 1 hole, and the screw 1 is connected and fixed with the mounting plate 3 through the screw 1 hole.
In this embodiment, the sealing ring 2 is a rubber sealing ring 2, and the mounting plate 3 may be a structure of an antenna cover, a structure of a reflection plate, or a structure of an end cover.
The utility model also provides an antenna, including foretell sealed fastening structure. Through adopting foretell sealed fastening structure, the holistic sealing performance of antenna promotes, ensures the normal work of antenna, and convenient to detach maintenance simultaneously, screw 1 and sealing washer 2 repeatedly usable have reduced cost of maintenance.
To sum up, the utility model discloses a scheme has following advantage:
1. the utility model relates to an among the sealed fastening structure, utilize screwhead 12 to compress tightly sealing washer 2, butt portion 121 and the mounting hole 31 of protrusion formation form line face contact on the screwhead 12 simultaneously, compare in the connected mode of face-to-face contact, sealed effect has been promoted, in addition, line face contact effectively reduces the frictional force that sealing washer 2 bore, prevent that sealing washer 2 from taking place distortion or even fracture under too big frictional force, thereby sealing washer 2's leakproofness has been ensured effectively, this seal structure need not to adopt liquid sealant to seal, also need not to adopt sealing washer 2 to add the design of boss, the installation is dismantled conveniently, also be applicable to in some occasions that receive the unsuitable design boss of structural constraint, the suitability is wider.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a sealed fastening structure, includes screw, sealing washer and mounting panel, the screw includes interconnect's screw rod and screwhead, set up the mounting hole that supplies the screw rod to pass on the mounting panel, the sealing washer compresses tightly between screwhead and mounting panel, characterized by: the joint of the screw head and the screw rod protrudes to form an abutting part, and the abutting part is in contact with the mounting hole along the circumferential line surface of the mounting hole.
2. The seal-fastening structure of claim 1, wherein: the diameter of the circular section of the abutting part is gradually increased from one end close to the screw to one end far away from the screw.
3. The seal-fastening structure of claim 2, wherein: the side wall of the abutting part is an inclined abutting surface.
4. The seal-fastening structure of claim 3, wherein: the mounting panel is close to the juncture of the plane of screwhead one side and mounting hole inner wall surface and forms the butt limit, the butt limit with the butt face butt forms the line face contact.
5. The seal-fastening structure of claim 4, wherein: the one end that the mounting hole is close to the screwhead is equipped with the spigot surface of slope, spigot surface and mounting panel are close to the planar juncture formation of screwhead one side the butt limit, the contained angle of spigot surface and mounting panel surface is greater than the contained angle of butt face and mounting panel surface.
6. The seal-fastening structure of claim 3, wherein: the periphery of the screw head at the abutting part is provided with a sealing surface parallel to the plane of the mounting plate on the side close to the screw head, and the sealing surface is connected with the abutting part and presses the sealing ring on the mounting plate.
7. The seal-fastening structure of claim 6, wherein: the seal ring is used for being abutted against the abutting surface after being compressed and deformed.
8. The seal-fastening structure of claim 1, wherein: the screw is characterized by further comprising a nut, wherein the nut is installed on one side, far away from the screw head, of the installation plate and is in threaded connection with the screw.
9. An antenna, characterized by: comprising a seal fastening structure according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023350526.2U CN214274150U (en) | 2020-12-31 | 2020-12-31 | Sealing and fastening structure and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023350526.2U CN214274150U (en) | 2020-12-31 | 2020-12-31 | Sealing and fastening structure and antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214274150U true CN214274150U (en) | 2021-09-24 |
Family
ID=77787276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023350526.2U Active CN214274150U (en) | 2020-12-31 | 2020-12-31 | Sealing and fastening structure and antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214274150U (en) |
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2020
- 2020-12-31 CN CN202023350526.2U patent/CN214274150U/en active Active
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