CN216818188U - A mercury switch device - Google Patents

Abstract

The application discloses a mercury switch device, which comprises a body, a mercury switch, a hollow elastic sealing element and a hollow plugging element, wherein the mercury switch is arranged on the body; the body is internally provided with an installation cavity, the end part of the body is provided with an installation groove, the bottom of the installation groove is provided with a through hole communicated with the installation cavity, the plugging piece is in threaded connection with the end part of the body, and the plugging piece is provided with a hollow compression part extending into the installation groove; elastic sealing element installs in the mounting groove, and is located between the bottom of mounting groove and the portion that compresses tightly of shutoff piece, and mercury switch is located the installation cavity, and the wire of mercury switch passes elastic sealing element's middle part and the middle part of shutoff piece after passing through the through-hole, and the shutoff piece is used for compressing tightly elastic sealing element, and the hollow portion that makes elastic sealing element warp back and the sealed cooperation of wire of mercury switch. This application elastic sealing element and wire have the packing force all the time, stand repeated soaking and insolate the back, the wire of mercury switch can keep better sealed relation with elastic sealing element all the time.

Description

A mercury switch device

technical field

The utility model relates to the field of switches, in particular to a mercury switch device.

Background technique

With the development of the economy, the tourism and cultural entertainment industries have grown rapidly. Especially in recent years, due to the needs of tourism development, a number of live performance shows have been built in various places. Most of these live performance shows are built near mountains and rivers. The water element is applied, and a considerable part of the lifting table equipment is directly installed in the water. Due to the special low visibility of the underwater environment, the edge of the lifting table and the edge of the fixed table or other lifting table edges are prone to shear installation during the lifting process. accident, and the existing anti-shear installation edge of the stage lifting platform is designed for the stage used on the ground or in the indoor environment, and cannot be used for the lifting platform of the underwater stage at all.

In view of the above problems, the patent document with the publication number of CN205556023U discloses an anti-shearing device for an underwater stage, which includes an upper plate fixedly installed under the side sealing plate of the stage lifting platform, and a lower plate suspended below the upper plate through multiple sets of hinge mechanisms. a switch mechanism installed above the upper plate, a bracket is fixedly installed above the upper plate, the middle of the switch mechanism is hinged on the bracket through a pin shaft; a mercury switch is installed at the tail of the switch mechanism, and the head is fixed to one end of the chain connected, and the other end of the chain is fixedly connected with the lower plate. The anti-shearing device for the underwater stage is simple in structure and convenient in installation and maintenance.

In the mercury switch of the above-mentioned underwater stage anti-shearing device, the lead of the mercury switch is sealed by the sealant. In actual use, it is found that after repeated immersion and exposure, the lead of the mercury switch and the sealant are easily sealed. It will enter the inside of the mercury switch and affect the normal operation of the mercury switch.

Utility model content

Aiming at the above problems, the utility model proposes a mercury switch device.

The technical scheme adopted by the utility model is as follows:

A mercury switch device, comprising a body, a mercury switch, a hollow elastic sealing member and a hollow blocking member;

The main body has an installation cavity, the end of the main body has an installation groove, the bottom of the installation groove has a through hole communicating with the installation cavity, the blocking piece is screwed with the end of the main body, and the blocking piece has a hollow pressing portion extending into the mounting groove;

The elastic sealing member is installed in the installation groove, and is located between the bottom of the installation groove and the pressing part of the blocking member, the mercury switch is located in the installation cavity, and after the wire of the mercury switch passes through the through hole Passing through the middle part of the elastic sealing member and the middle part of the blocking member, the blocking member is used for pressing the elastic sealing member, so that the hollow part of the elastic sealing member is deformed and matched with the wire of the mercury switch in a sealing manner.

The blocking piece is screwed to the end of the body. By tightening the blocking piece, the pressing part can be moved to the inside of the installation groove, so that the hollow elastic seal can be compressed and the elastic seal can be deformed (the inner diameter of the hollow part becomes smaller) , which cooperates with the wire seal of the mercury switch. Because there is always a pressing force between the elastic seal and the wire, after repeated immersion and exposure, the wire of the mercury switch can always maintain a good sealing relationship with the elastic seal, and the mercury switch device has high reliability and long service life.

In one embodiment of the present invention, a foaming filler is provided in the installation cavity.

The setting of the foaming filler can limit the position of the mercury switch in the installation cavity, so as to ensure the reliable operation of the mercury switch device.

In one embodiment of the present invention, the installation cavity further has a limit frame matched with the mercury switch, and the limit frame is used to limit the position of the mercury switch to prevent the mercury switch from being dislocated when the foaming filler is filled.

In one embodiment of the present invention, the body includes a pipe body and a first pipe seat and a second pipe seat respectively fixed on both ends of the pipe body, the installation groove and the through hole are arranged on the first pipe seat, The blocking member is threadedly connected with the first socket, and the mercury switch device further includes a first blocking component mounted on the second socket.

In practice, the pipe body can be made of anti-corrosion materials such as stainless steel, and the first pipe base and the second pipe base can be fixed by various existing fixing processes, such as welding.

During actual processing, the installation cavity can be operated through the end of the second tube base, such as installing a mercury switch, installing a limit frame, or applying a foaming filler.

In one embodiment of the present invention, the second socket also has an installation groove, the bottom of the installation groove has a through hole communicating with the installation cavity, and the first blocking component includes a blocking joint. and a sealing block, the sealing block is installed in the installation groove, the blocking joint is threadedly connected with the second socket, and the blocking joint has an abutting portion extending into the installation groove and pressing against the sealing block.

In one embodiment of the present invention, a first gasket is installed at at least one place between the abutting portion and the sealing block and between the sealing block and the bottom of the installation groove.

In one embodiment of the present invention, there is a second hollow gasket between the elastic sealing member and the pressing portion.

In one embodiment of the present invention, the body includes a pipe body, one end of the pipe body is open, and the other end has a mounting portion, and the mounting groove and the through hole are arranged on the mounting portion; the mercury switch device also includes a second blocking component installed at the opening of the pipe body;

The second blocking component includes a sealing ring and a blocking end cap for blocking the opening, the blocking end cap is fixed with the pipe body by a fastener, and the sealing ring is located in the blocking end cap between the tube body.

In one embodiment of the present invention, the inner side wall of the installation groove has threads, the blocking member is a bolt, and the screw rod of the bolt forms the pressing portion.

In one embodiment of the present invention, the outer side wall of the end of the main body has threads, the blocking member has a screw sleeve, the pressing portion is connected with the screw sleeve, and the blocking member is screwed to the body through the screw sleeve. end of .

The beneficial effect of the utility model is that: the blocking piece is connected with the end of the main body by screw thread, and the pressing part can be moved to the inside of the installation groove by tightening the blocking piece, so that the hollow elastic sealing piece can be compressed, and the elastic sealing piece can be tightened. Deformation (the inner diameter of the hollow part becomes smaller), and it is sealed with the wire of the mercury switch. Because there is always a pressing force between the elastic seal and the wire, after repeated immersion and exposure, the wire of the mercury switch can always maintain a good sealing relationship with the elastic seal, and the mercury switch device has high reliability and long service life.

Description of drawings:

Fig. 1 is the sectional view of embodiment 1 mercury switchgear;

Fig. 2 is the sectional view of embodiment 2 mercury switchgear;

FIG. 3 is a cross-sectional view of a mercury switchgear in Example 3. FIG.

The reference numbers in the figure are:

1. Body; 101, Installation cavity; 102, Installation groove; 103, Through hole; 11, Tube body; 111, Installation part; 112, Opening; 113, Foaming filler; 2. Tube seat; 2. Mercury switch; 21. Conductor; 3. Elastic seal; 4. Blocking element; 41. Pressing part; 5. First blocking component; 51. Blocking joint; 511. Abutting part ; 512, mounting holes; 52, sealing block; 6, the first gasket; 8, the second blocking component; 81, blocking the end cover; 82, sealing ring; 9, fasteners.

Detailed ways:

The present utility model will be described in detail below with reference to the accompanying drawings.

Example 1

As shown in FIG. 1, a mercury switch 2 device includes a main body 1, a mercury switch 2, a hollow elastic sealing member 3 and a hollow blocking member 4;

The main body 1 has an installation cavity 101, the end of the main body 1 has an installation groove 102, and the bottom of the installation groove 102 has a through hole 103 that communicates with the installation cavity 101. The blocking member 4 is screwed with the end of the main body 1. 4. There is a hollow pressing portion 41 extending into the mounting groove 102;

The elastic seal 3 is installed in the installation groove 102 and is located between the bottom of the installation groove 102 and the pressing part 41 of the blocking member 4 , the mercury switch 2 is located in the installation cavity 101 , and the wire 21 of the mercury switch 2 passes through the through hole 103 Passing through the middle of the elastic sealing member 3 and the middle portion of the blocking member 4, the blocking member 4 is used to press the elastic sealing member 3, so that the hollow part of the elastic sealing member 3 is deformed to be sealed with the wire 21 of the mercury switch 2.

The blocking member 4 is threadedly connected to the end of the main body 1. By tightening the blocking member 4, the pressing portion 41 can be moved to the inside of the installation groove 102, so that the hollow elastic sealing member 3 can be compressed and the elastic sealing member 3 can be deformed. (The inner diameter of the hollow part becomes smaller), and it is sealed with the wire 21 of the mercury switch 2 . Because there is always a pressing force between the elastic seal 3 and the wire 21, after repeated immersion and exposure, the wire 21 of the mercury switch 2 can always maintain a good sealing relationship with the elastic seal 3, and the mercury switch 2 is highly reliable. and long service life.

In this embodiment, the mounting cavity 101 has a foaming filler 113 therein. The setting of the foaming filler 113 can limit the position of the mercury switch 2 in the installation cavity 101 , so as to ensure the reliable operation of the mercury switch 2 .

In practical use, preferably, the installation cavity 101 also has a limit frame matched with the mercury switch 2 , and the limit frame is used to limit the position of the mercury switch 2 to prevent the mercury switch 2 from being dislocated when the foam filler 113 is filled.

As shown in FIG. 1 , in this embodiment, the main body 1 includes a pipe body 11 and a first pipe base 12 and a second pipe base 13 respectively fixed on both ends of the pipe body 11 , and the installation groove 102 and the through hole 103 are provided in the first pipe base 12 and the second pipe base 13 respectively. The tube base 12 and the blocking member 4 are threadedly connected to the first tube base 12 , and the mercury switch 2 device further includes a first blocking component 5 installed on the second tube base 13 .

In practice, the pipe body 11 can be made of anti-corrosion materials such as stainless steel, and the first pipe base 12 and the second pipe base 13 can be fixed by various existing fixing processes, such as welding.

During actual processing, the installation cavity 101 can be operated through the end of the second tube base 13 , such as installing the mercury switch 2 , installing a limit frame, or applying a foaming filler 113 .

As shown in FIG. 1 , in this embodiment, the second socket 13 also has an installation groove 102 , the bottom of the installation groove 102 has a through hole 103 communicating with the installation cavity 101 , and the first blocking component 5 includes a blocking joint 51 and the sealing block 52, the sealing block 52 is installed in the installation groove 102, the blocking joint 51 is threadedly connected with the second socket 13, and the blocking joint 51 has an abutment extending into the installation groove 102 and pressing against the sealing block 52 Section 511.

As shown in FIG. 1 , in this embodiment, the first gasket 6 is installed at at least one place between the abutting portion 511 and the sealing block 52 and between the sealing block 52 and the bottom of the installation groove 102 .

In practice, a hollow second gasket (not shown in the figure) can be arranged between the elastic sealing member 3 and the pressing portion 41 .

In this embodiment, the inner side wall of the installation groove 102 has threads, the blocking member 4 is a bolt, and the screw rod of the bolt forms the pressing portion 41 . In practice, a plurality of installation grooves 102 may be provided on the second socket 13 .

In this embodiment, the blocking joint 51 is also a bolt, and the blocking joint 51 is threadedly engaged with the installation groove 102 of the second socket 13 .

In other embodiments, when the second socket 13 is provided with only one installation slot 102, it can also be set as follows: the outer side wall of the end of the main body 1 has a thread, the blocking member 4 has a screw sleeve, the pressing portion 41 and the screw sleeve For connection, the blocking member 4 is screwed on the end of the main body 1 through a screw sleeve.

Example 2

As shown in FIG. 2 , the difference between this embodiment and Embodiment 1 is that the shape of the blocking member 4 is slightly different from that of Embodiment 1. In addition, the plugging joint 51 has a mounting device for mounting on other structures. Structure, in this embodiment, the mounting structure is the mounting hole 512 .

Example 3

As shown in FIG. 3 , the main difference between this embodiment and Embodiment 1 or Embodiment 2 is that the body 1 includes a pipe body 11 , one end of the pipe body 11 has an opening 112 , and the other end has a mounting portion 111 , a mounting groove 102 and a through hole 103 provided in the mounting portion 111 . That is, compared with Embodiment 1 and Embodiment 2, the first stem 12 and the second stem 13 are omitted in this embodiment.

In this embodiment, the mercury switch 2 device further includes a second blocking component 8 installed at the opening 112 of the pipe body 11 . The second blocking assembly 8 includes a sealing ring 82 and a blocking end cover 81 for blocking the opening 112 . The blocking end cover 81 is fixed to the pipe body 11 by the fastener 9 , and the sealing ring 82 is located between the blocking end cover 81 and the pipe body 11 . between the pipes 11 .

In practical application, the second blocking component 8 may also adopt other various structural forms, such as the structural form of the first blocking component 5 .

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of patent protection of the present invention. Any equivalent structural transformation made by using the contents of the description and accompanying drawings of the present invention can be directly or indirectly applied to other related The technical field is similarly included in the protection scope of the present invention.

Claims (10)

1. A mercury switch device, characterized in that it comprises a body, a mercury switch, a hollow elastic seal and a hollow plug; The main body has an installation cavity, the end of the main body has an installation groove, the bottom of the installation groove has a through hole communicating with the installation cavity, the blocking piece is screwed with the end of the main body, and the blocking piece has a hollow pressing portion extending into the mounting groove; The elastic sealing member is installed in the installation groove, and is located between the bottom of the installation groove and the pressing part of the blocking member, the mercury switch is located in the installation cavity, and after the wire of the mercury switch passes through the through hole Passing through the middle part of the elastic sealing member and the middle part of the blocking member, the blocking member is used for pressing the elastic sealing member, so that the hollow part of the elastic sealing member is deformed and matched with the wire of the mercury switch in a sealing manner. 2 . The mercury switch device according to claim 1 , wherein a foaming filler is provided in the installation cavity. 3 . 3 . The mercury switch device according to claim 2 , wherein the installation cavity further has a limit frame matched with the mercury switch, and the limit frame is used to limit the position of the mercury switch to prevent filling and foaming. 4 . Mercury switch misplaced when filling. 4. The mercury switch device according to claim 1 or 2, wherein the main body comprises a pipe body and a first pipe seat and a second pipe seat respectively fixed on both ends of the pipe body, the installation groove and the through hole Provided on the first socket, the blocking member is connected with the first socket by thread, and the mercury switch device further includes a first blocking component mounted on the second socket. 5 . The mercury switch device according to claim 4 , wherein the second socket also has an installation groove, the bottom of the installation groove has a through hole communicating with the installation cavity, and the first The plugging assembly includes a plugging joint and a sealing block, the sealing block is installed in the installation groove, the plugging joint is threadedly connected with the second pipe seat, and the plugging joint has the ability to extend into the installation groove and press against the sealing block Relying on the abutting part. 6 . The mercury switch device according to claim 5 , wherein a first gasket is installed at at least one place between the abutting portion and the sealing block and between the sealing block and the bottom of the installation groove. 7 . 7 . The mercury switch device of claim 1 , wherein a hollow second gasket is provided between the elastic sealing member and the pressing portion. 8 . 8 . The mercury switch device according to claim 1 , wherein the main body comprises a pipe body, one end of the pipe body is open, and the other end has a mounting portion, and the mounting groove and the through hole are provided in the mounting portion. 9 . part; the mercury switch device further includes a second blocking component installed at the opening of the pipe body; The second blocking component includes a sealing ring and a blocking end cap for blocking the opening, the blocking end cap is fixed with the pipe body by a fastener, and the sealing ring is located in the blocking end cap between the tube body. 9 . The mercury switch device according to claim 1 , wherein the inner side wall of the installation groove has threads, the blocking member is a bolt, and the screw rod of the bolt forms the pressing portion. 10 . 10 . The mercury switch device according to claim 1 , wherein the outer side wall of the end portion of the main body has threads, the blocking member has a screw sleeve, the pressing portion is connected with the screw sleeve, and the blocking member has a screw sleeve. 11 . It is screwed to the end of the body through a screw sleeve.

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