CN111668651A

CN111668651A - Sealing waterproof device and monitoring equipment

Info

Publication number: CN111668651A
Application number: CN202010592007.2A
Authority: CN
Inventors: 杨荣华; 张田圆
Original assignee: Soft Smart Electronics Co ltd
Current assignee: Soft Smart Electronics Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-09-15

Abstract

The invention relates to the technical field of monitoring equipment sealing, and discloses a sealing waterproof device and monitoring equipment. The sealing waterproof device comprises a shell, a first sealing assembly and a second sealing assembly, wherein a threading part is arranged on the side wall of the shell, a first mounting hole is formed in one end, away from a cavity of the shell, of the threading part, a second mounting hole is formed in the other end of the threading part, and a first threading hole is formed between the first mounting hole and the second mounting hole; the first sealing assembly is arranged in the first mounting hole and used for sealing one end, far away from the cavity, of the first threading hole; the second sealing assembly is arranged in the second mounting hole and used for sealing one end, close to the cavity, of the first threading hole; the tail wire penetrates through the first sealing assembly, the first threading hole and the second sealing assembly in sequence. The invention realizes that the tail wire waterproof grade of the monitoring equipment is improved from IP66 to IP 67; the safety of equipment use is improved, the service life of the equipment is prolonged, a dispensing sealing mode is not adopted, the production cost is saved, and the production time is also reduced.

Description

Sealing waterproof device and monitoring equipment

Technical Field

The invention relates to the technical field of monitoring equipment sealing, in particular to a sealing waterproof device and monitoring equipment.

Background

In recent years, with the rapid development of computers, networks and image processing and transmission technologies, video monitoring technologies have been well developed, and video monitoring is now widely applied to various fields, and video monitoring is an important component of a security system and is a comprehensive system with relatively strong prevention capability. Monitoring equipment is currently commonly used in outdoor environments and needs to have waterproof properties.

In the prior art, after the tail wire of the monitoring equipment is penetrated through the shell, the tail wire and the shell are glued through the gap between the tail wire and the shell to realize sealing, although the waterproof performance of IP67 can be achieved, the tail wire glue of the monitoring equipment is expensive, and the glue is required to be baked for more than 1 hour after being glued, so that the working hours are wasted. In another mode, a sealing ring structure is arranged between the tail wire and the shell, so that water proofing is realized. However, the waterproof sealing ring is easy to age when exposed to air, so that the service life is shortened, and the waterproof grade is low.

Therefore, a sealing waterproof device and a monitoring device are needed to solve the above problems.

Disclosure of Invention

Based on the above, the invention aims to provide a sealing waterproof device and a monitoring device, which realize that the tail waterproof grade of the monitoring device is improved from IP66 to IP 67; the safety of the equipment is improved, the service life of the equipment is prolonged, the production cost is saved, and the production time is also reduced.

In order to achieve the purpose, the invention adopts the following technical scheme:

in one aspect, a waterproof seal apparatus is provided, including:

the side wall of the shell is provided with a threading part, one end of the threading part, which is far away from the cavity of the shell, is provided with a first mounting hole, the other end of the threading part is provided with a second mounting hole, and a first threading hole is arranged between the first mounting hole and the second mounting hole;

the first sealing assembly is arranged in the first installation hole and used for sealing one end, far away from the cavity, of the first threading hole;

the second sealing assembly is arranged in the second mounting hole and used for sealing one end, close to the cavity, of the first threading hole;

the tail wire sequentially penetrates through the first sealing assembly, the first threading hole and the second sealing assembly.

As a preferred technical scheme of the waterproof sealing device, the waterproof sealing device further comprises a driving piece, the driving piece is installed in the cavity and connected to the second sealing assembly, and the driving piece can drive the second sealing assembly to be installed in the second installation hole.

As a preferable aspect of the waterproof sealing device, the first seal assembly includes:

the first conical sealing ring is positioned at one end of the first threading hole far away from the cavity, the small head end of the first conical sealing ring is arranged between the tail thread and the first threading hole,

and one end of the first abutting piece is in threaded connection with the first mounting hole and abuts against the large end of the first conical sealing ring, and the other end of the first abutting piece is provided with a clamping part.

As an optimal technical scheme of the sealing waterproof device, a first positioning groove is formed in the end face, abutted to one end of the first conical sealing ring, of the first abutting part, the large head end of the first conical sealing ring is abutted to the inside of the first positioning groove, a second threading hole penetrates through the center of the first abutting part, and the second threading hole is communicated with the first positioning groove.

As a preferable aspect of the waterproof sealing device, the second seal assembly includes:

a second conical sealing ring which is positioned at one end of the first threading hole close to the cavity, the small head end of the second conical sealing ring is arranged between the tail thread and the first threading hole,

and one end of the second abutting piece is in threaded connection with the second mounting hole and abuts against the large end of the second conical sealing ring, and the other end of the second abutting piece is provided with a connecting part which is connected with the driving piece.

As an optimal technical scheme of the sealing waterproof device, the driving part is a motor, a rotating key is arranged on an output shaft of the motor, the connecting part of the second abutting part is a connecting hole, a sliding groove is formed in the side wall of the connecting hole, one end of the output shaft is sleeved with the connecting hole, and the rotating key is connected in the sliding groove in a sliding mode.

As an optimal technical scheme of the sealing and waterproof device, a second positioning groove is further formed in the end face, abutted against one end of the second conical sealing ring, of the second abutting piece, and the large head end of the second conical sealing ring is abutted against the inside of the second positioning groove.

As an optimal technical scheme of the sealing waterproof device, the second abutting piece is further provided with a third threading hole, a threading inlet of the third threading hole is formed in the bottom of the second positioning groove, and a threading outlet of the third threading hole is located in the side wall of the second abutting piece.

As an optimal technical scheme for a sealing waterproof device, the first sealing assembly comprises a first taper sealing ring, the second sealing assembly comprises a second taper sealing ring, and the first taper sealing ring and the second taper sealing ring are made of silica gel.

In another aspect, a monitoring device is provided, comprising the waterproof sealing device of any one of the above.

The invention has the beneficial effects that:

after the tail wire sequentially penetrates through the first threading hole and the second sealing assembly of the threading part on the first sealing assembly and the shell, the first sealing assembly and the second sealing assembly respectively seal two ends of the first threading hole, the technical problem that the mechanical sealing waterproof effect of the tail wire is not good is solved by the two-layer sealing structure, and the waterproof grade of the tail wire of the monitoring equipment is improved to IP67 by IP 66.

Moreover, when the service life of the first sealing assembly is prolonged, the second sealing assembly still can play a role in sealing, sealing failure is prevented, equipment damage is avoided, a worker has sufficient time to overhaul and replace the first sealing assembly, the use safety of the equipment is improved, and the service life of the equipment is prolonged.

In addition, the invention does not adopt a glue dispensing mode for sealing, thereby not only saving the production cost, but also reducing the production time.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a partial cross-sectional view of a monitoring device provided in accordance with an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a housing provided in accordance with an embodiment of the present invention;

FIG. 3 is a schematic structural view of a first retaining member according to an embodiment of the present invention;

fig. 4 is an exploded view of a motor and a second retaining member according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second supporting member according to an embodiment of the present invention.

The figures are labeled as follows:

100-tail; 200-a circuit board;

1-a shell; 11-a threading part; 111-a first threading aperture; 112-a first mounting hole; 113-a second mounting hole;

2-a first seal assembly; 21-a first conical sealing ring; 22-a first abutment; 221-a second threading hole; 222-a first detent; 223-a clamping section;

3-a second seal assembly; 31-a second conical sealing ring; 32-a second abutment; 321-a connection hole; 322-a chute; 323-a second positioning groove; 324-a third threading aperture;

4-a motor; 41-an output shaft; 42-rotating key.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

To solve the above problems, as shown in fig. 1 to 5, the present invention provides a monitoring device, which includes a waterproof seal device, wherein the waterproof seal device includes a housing 1, a first seal assembly 2, a second seal assembly 3, and a driving member.

Specifically, as shown in fig. 1 and 2, a threading part 11 is disposed on a side wall of the housing 1, one end of the threading part 11, which is far away from the cavity of the housing 1, is provided with a first mounting hole 112, the other end is provided with a second mounting hole 113, and a first threading hole 111 is disposed between the first mounting hole 112 and the second mounting hole 113. The first sealing component 2 is arranged in the first mounting hole 112, and the second sealing component 3 is arranged in the second mounting hole 113; the driving member is installed in the cavity of the housing 1 and connected to the second sealing assembly 3, and the driving member can drive the second sealing assembly 3 to be installed in the second installation hole 113.

The tail wire 100 sequentially penetrates through the first sealing assembly 2, the first threading hole 111 and the second sealing assembly 3, the first sealing assembly 2 and the second sealing assembly 3 respectively seal two ends of the first threading hole 111, the technical problem that the mechanical sealing waterproof effect of the tail wire 100 is not good is solved through the two sealing structures, and the waterproof grade of the tail wire 100 of the monitoring device is improved to IP67 through IP 66. Moreover, when the service life of the first sealing assembly 2 is over, the second sealing assembly 3 still can play a sealing role, sealing failure is prevented, equipment damage is caused, a worker has sufficient time to overhaul and replace the first sealing assembly 2, the use safety of the equipment is improved, and the service life of the equipment is prolonged. In addition, the invention does not adopt a glue dispensing mode for sealing, thereby not only saving the production cost, but also reducing the production time.

More specifically, the first sealing assembly 2 comprises a first conical sealing ring 21 and a first retaining member 22. The first taper seal ring 21 is located at one end of the first threading hole 111 far away from the chamber, and the small end of the first taper seal ring 21 is installed between the tail thread 100 and the first threading hole 111. The first mounting hole 112 is a threaded hole, as shown in fig. 3, an external thread matching with the threaded hole is disposed on a side wall of one end of the first abutting member 22, the first abutting member 22 is connected to the first mounting hole 112 in a threaded manner, and a clamping portion 223 is disposed at the other end of the first abutting member 22. An operator can clamp and screw the clamping portion 223 through a wrench or an electric tool, so that the first abutting piece 22 is screwed and fixed in the first mounting hole 112 and abuts against the large end of the first conical sealing ring 21, the first conical sealing ring 21 is compressed and deformed under the action force of the first abutting piece 22, and the first threading hole 111 and the tail thread 100 are in interference fit to form a primary sealing structure.

Preferably, the end face of the first abutting member 22 abutting against one end of the first taper seal ring 21 is further provided with a first positioning groove 222, and the large head end of the first taper seal ring 21 abuts against the first positioning groove 222, so that on one hand, the first positioning groove 222 can assemble and position the first taper seal ring 21, and the assembly convenience is increased, and on the other hand, the large head end of the first taper seal ring 21 is prevented from displacing in the compression process, so that the first taper seal ring 21 is prevented from being damaged. The center of the first supporting piece 22 is penetrated with a second threading hole 221, the second threading hole 221 is communicated with the first positioning groove 222, and the tail thread 100 can be penetrated through the second threading hole 221 and the first positioning groove 222.

More specifically, the second sealing assembly 3 comprises a second conical sealing ring 31 and a second abutting member 32, the second conical sealing ring 31 is located at one end of the threading hole close to the chamber, and the small end of the second conical sealing ring 31 is installed between the tail line 100 and the threading hole. The second mounting hole 113 is a threaded hole, the side wall of one end of the second abutting member 32 is provided with an external thread matched with the internal threaded hole of the second mounting hole 113, the second abutting member 32 is in threaded connection with the second mounting hole 113, the other end of the second abutting member is provided with a connecting portion, the connecting portion is connected to a driving member, the driving member can drive the second abutting member 32 to rotate, so that the second abutting member 32 is screwed in the second mounting hole 113 and abuts against the big end of the second conical sealing ring 31, the second conical sealing ring 31 is compressed and deformed under the action force of the second abutting member 32, and the first threading hole 111 and the tail wire 100 are in interference fit to form a secondary sealing structure.

Preferably, as shown in fig. 4, in this embodiment, the driving member is preferably a motor 4, an output shaft 41 of the motor 4 is provided with a rotation key 42, a connecting portion of the second abutting member 32 is a connecting hole 321 whose side wall is provided with a sliding slot 322, the connecting hole 321 is sleeved at one end of the output shaft 41, and the rotation key 42 is slidably connected in the sliding slot 322. When the output shaft 41 rotates, the rotation key 42 drives the second abutting member 32 to rotate, so that the external thread of the second abutting member 32 is screwed in the second mounting hole 113, and in addition, because the rotation key 42 is in sliding connection with the sliding groove 322, at this time, the second abutting member 32 can move towards the direction away from the motor 4 through the structure of the sliding groove 322 and is simultaneously screwed in the second mounting hole 113, so that the fixed connection of the second abutting member 32 is realized. The output shaft 41 gives the second abutting member 32 a force of rotation without restricting its axial movement. When the service life of the first taper seal ring 21 expires or the first taper seal ring is corroded and damaged, and in typhoon weather, water vapor can pass through the first taper seal ring 21 to impact the second taper seal ring 31, the motor 4 can provide a rotating force for the second abutting part 32 at the moment, so that the second abutting part 32 is screwed in the second mounting hole 113 and abuts against the second taper seal ring 31 at any moment, the sealing failure caused by the loosening of the threads is prevented, and the service life of the device is prolonged.

Further preferably, as shown in fig. 5, an end surface of the second abutting member 32 abutting against one end of the second conical sealing ring 31 is further provided with a second positioning groove 323, and a large end of the second conical sealing ring 31 abuts against the second positioning groove 323. On the one hand, second constant head tank 323 can be to second taper sealing ring 31 equipment location, increases the convenience of equipment, and on the other hand prevents that second taper sealing ring 31 from causing second taper sealing ring 31 to damage in compression process big end displacement.

The second abutting member 32 is further provided with a third threading hole 324, a threading inlet of the third threading hole 324 is arranged at the bottom of the second positioning groove 323, and since the end surface of the second abutting member 32 close to one end of the motor 4 is provided with the connecting hole 321, a threading outlet of the third threading hole 324 is positioned on the side wall of the second abutting member 32, so that interference with the position of the connecting hole 321 is avoided, and the tail wire 100 can be penetrated through the second positioning groove 323, the threading inlet of the third threading hole 324 and the threading outlet of the third threading hole 324.

Preferably, the first taper seal ring 21 and the second taper seal ring 31 are made of silica gel, so that the interference degree between the tail line 100 and the first threading hole 111 is increased, and the sealing performance is improved.

It should be particularly noted that, the installation steps of the waterproof seal device in this embodiment are as follows:

step one, a tail wire 100 is sequentially arranged in the first abutting piece 22, the first conical sealing ring 21 and the threading part 11 in a penetrating way;

step two, the big head end of the first conical sealing ring 21 is arranged in the first positioning groove 222 of the first abutting part 22, the first abutting part 22 is connected into the first mounting hole 112 in a threaded mode through an electric tool, and after the first conical sealing ring 21 is screwed down, the tail wire 100 and the first threading hole 111 are in interference fit to form a primary sealing structure;

thirdly, the tail wire 100 is once arranged on the second conical sealing ring 31 and the second abutting piece 32 in a penetrating manner, penetrates out of the side surface of the second abutting piece 32 and is connected to the circuit board 200 of the monitoring device;

and step four, the second conical sealing ring 31 is arranged in the second positioning groove 323 of the second abutting part 32. The output shaft 41 of the motor 4 is inserted into the connecting hole 321 of the second abutting member 32. The motor 4 is fixed in the cavity of the housing 1, the motor 4 is electrically connected to the circuit board 200 of the monitoring device, and the program of the circuit board 200 controls the motor 4 to screw the second abutting member 32 into the second mounting hole 113. After tightening, the second conical sealing ring 31 is compressed, so that the tail wire 100 and the first threading hole 111 are in interference fit to form a secondary sealing structure.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A water-tight seal, comprising:

the cable threading device comprises a shell (1), wherein a threading part (11) is arranged on the side wall of the shell (1), a first mounting hole (112) is formed in one end, away from a cavity of the shell (1), of the threading part (11), a second mounting hole (113) is formed in the other end of the threading part, and a first threading hole (111) is formed between the first mounting hole (112) and the second mounting hole (113);

a first sealing assembly (2) mounted in the first mounting hole (112) for sealing one end of the first threading hole (111) far away from the chamber;

a second sealing component (3) which is arranged in the second mounting hole (113) and is used for sealing one end, close to the chamber, of the first threading hole (111);

the tail wire (100) sequentially penetrates through the first sealing assembly (2), the first threading hole (111) and the second sealing assembly (3).

2. The watertight seal according to claim 1, further comprising a driving member mounted in the chamber and connected to the second sealing member (3), the driving member being capable of driving the second sealing member (3) to be mounted in the second mounting hole (113).

3. Watertight seal according to claim 1, characterized in that said first sealing assembly (2) comprises:

a first taper seal ring (21) which is positioned at one end of the first threading hole (111) far away from the cavity, the small end of the first taper seal ring (21) is arranged between the tail thread (100) and the first threading hole (111),

and one end of the first abutting piece (22) is in threaded connection with the first mounting hole (112) and abuts against the large end of the first conical sealing ring (21), and the other end of the first abutting piece is provided with a clamping part (223).

4. The sealing and waterproof device according to claim 3, characterized in that the end face of the first abutting member (22) abutting against one end of the first taper seal ring (21) is provided with a first positioning groove (222), the large head end of the first taper seal ring (21) abuts against the first positioning groove (222), a second threading hole (221) penetrates through the center of the first abutting member (22), and the second threading hole (221) is communicated with the first positioning groove (222).

5. Watertight seal according to claim 2, characterized in that said second sealing assembly (3) comprises:

a second conical sealing ring (31) which is positioned at one end of the first threading hole (111) close to the cavity, the small head end of the second conical sealing ring (31) is arranged between the tail thread (100) and the first threading hole (111),

and one end of the second abutting piece (32) is in threaded connection with the second mounting hole (113) and abuts against the large head end of the second conical sealing ring (31), and the other end of the second abutting piece is provided with a connecting part which is connected with the driving piece.

6. The waterproof sealing device according to claim 5, wherein the driving member is a motor (4), an output shaft (41) of the motor (4) is provided with a rotating key (42), the connecting portion of the second abutting member (32) is a connecting hole (321) provided with a sliding groove (322) on a side wall, the connecting hole (321) is sleeved at one end of the output shaft (41), and the rotating key (42) is slidably connected in the sliding groove (322).

7. The sealing and waterproof device according to claim 5, characterized in that a second positioning groove (323) is further provided on an end surface of the second abutting member (32) abutting against one end of the second conical sealing ring (31), and a large head end of the second conical sealing ring (31) abuts against the inside of the second positioning groove (323).

8. The waterproof and hermetic device according to claim 7, wherein the second abutting member (32) is further provided with a third threading hole (324), a threading inlet of the third threading hole (324) is disposed at the bottom of the second positioning groove (323), and a threading outlet of the third threading hole (324) is located on a side wall of the second abutting member (32).

9. The device according to claim 1, wherein the first sealing assembly (2) comprises a first taper sealing ring (21), the second sealing assembly (3) comprises a second taper sealing ring (31), and the first taper sealing ring (21) and the second taper sealing ring (31) are made of silicone.

10. A monitoring device, characterized in that it comprises a watertight seal according to any one of claims 1-9.