Sealing structure of special gas tank for environment-friendly gas insulation sealing switch

Abstract

The utility model discloses a sealing structure of a special gas tank for an environment-friendly gas insulation sealing switch, which comprises a gas tank mechanism and a closing mechanism, the closing mechanism is fixedly connected with the gas tank mechanism, the closing mechanism comprises a power box, the back of the inner wall of the power box is fixedly connected with a motor, the output end of the motor is fixedly connected with a turntable assembly, and the turntable assembly is fixedly connected with a rotating shaft. A round pin assembly is fixedly connected to the front face of the rotary disc assembly, a transmission frame is slidably connected to the surface of the round pin assembly, and limiting sliding rails are slidably connected to the two sides of the transmission frame. According to the utility model, through the arrangement of the closing mechanism, the phenomenon that the normal operation and the service life of equipment are influenced due to short circuit, corrosion or damage of the equipment caused by dust, rainwater and other sundries entering the box body due to poor sealing performance in the use process of the traditional special gas box for the insulated sealing switch is changed; and sealing operation can be more effectively carried out, and the influence caused by external factors on the sealing device is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sealed gas boxes, in particular to a sealing structure of a gas box dedicated to an environmentally friendly gas-insulated switch. Background Technique

[0002] According to the patent disclosed on the Chinese Patent Network, the patent name is: Environmentally Friendly Gas-Insulated Switchgear, and the patent number is: 201821808896.6. The utility model discloses an environmentally friendly gas-insulated switchgear, which includes a sealed gas box, a mechanism chamber, a cable chamber and a secondary chamber. A three-phase conductive circuit is arranged in the sealed gas box. The upper part of the three-phase conductive circuit is a three-position isolating earthing switch, the middle part is a vacuum arc-extinguishing circuit breaker switch, and the lower part is an arc-extinguishing chamber moving contact opening and closing transmission component. The outlet end of the vacuum arc-extinguishing circuit breaker switch is connected to an insulating busbar, and the insulating busbar is connected to an outlet bushing. The three-position isolating earthing switch consists of an isolating knife insulator, a flexible connection and a blade to form a rotary switch. Its purpose is to provide an environmentally friendly gas-insulated switchgear that is safe and environmentally friendly, has a compact structure, reliable performance, a long service life, and is maintenance-free, and can prevent environmental pollution caused by the leakage of insulating gas to overcome the deficiencies in the prior art. However, the above gas-insulated switchgear cannot guarantee its internal sealing state, and may leak due to various factors during use, causing damage to the internal structure.

[0003] Therefore, it is necessary to design and transform the switchgear to effectively prevent the phenomenon that dust and rainwater enter due to ineffective sealing. Content of the Utility Model

[0004] To solve the problems raised in the above background technique, the purpose of the present utility model is to provide a sealing structure of a gas box dedicated to an environmentally friendly gas-insulated switch, which has the advantage of firm sealing and solves the problem of dust and rainwater entering due to poor sealing effect.

[0005] To achieve the above purpose, the present utility model provides the following technical solution: A sealing structure of a gas box dedicated to an environmentally friendly gas-insulated switch, including:

[0006] A gas box mechanism;

[0007] Closing mechanism, the closing mechanism is fixedly connected with the air box mechanism, the closing mechanism includes a power box, a motor is fixedly connected to the back surface of the inner wall of the power box, a turntable assembly is fixedly connected to the output end of the motor, a round pin assembly is fixedly connected to the front surface of the turntable assembly, a transmission frame is slidably connected to the surface of the round pin assembly, both sides of the transmission frame are slidably connected with limit slide rails, the outer sides of the limit slide rails are fixedly connected with the inner wall of the power box, supports are fixedly connected to the top and bottom on the right side of the inner wall of the power box, a connecting plate is movably connected to the inner side of the support, the bottom of the connecting plate extends to the outside of the power box, a transmission plate is movably connected to the inner side of the support, the bottom of the transmission plate extends to the outside of the power box, the top of the transmission plate is movably connected with a transmission rod through a rotating shaft, the top of the transmission rod is movably connected with the bottom of the transmission frame through a rotating shaft, the back surface of the transmission rod is movably connected with a connecting block through a rotating shaft, the outer side of the connecting block is movably connected with the back surface of the connecting plate through a rotating shaft, and a sealing pressing plate is fixedly connected to the inner side of the connecting block.

[0008] As a preferred embodiment of the present invention, the air box mechanism includes a box body, the outer side of the box body is fixedly connected with the back surface of the power box, a box door is movably connected to the front surface of the box body, a dashboard is arranged on the front surface of the box body, and a gas sealing tank is fixedly connected to the inner cavity of the box body.

[0009] As a preferred embodiment of the present invention, reinforcing plates are fixedly connected to both sides of the power box, and the back surfaces of the reinforcing plates are fixedly connected with the outer side of the box body.

[0010] As a preferred embodiment of the present invention, angle plate assemblies are fixedly connected to the top and bottom of the motor, and the back surfaces of the angle plate assemblies are fixedly connected with the inner wall of the power box.

[0011] As a preferred embodiment of the present invention, fixing plates are fixedly connected to the front and back surfaces of the limit slide rails, and the outer sides of the fixing plates are fixedly connected with the inner wall of the power box.

[0012] As a preferred embodiment of the present invention, a limit strip is fixedly connected to the inner side of the support, and the outer side of the limit strip is fixedly connected with the inner wall of the power box.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. By setting the closing mechanism, the present invention changes the phenomenon that in the process of using the traditional special air box for insulated sealed switches, dust, rainwater and other sundries may enter the interior of the box due to poor sealing performance, which may cause short circuits, corrosion or damage to the equipment, thereby affecting the normal operation and service life of the equipment. It can more effectively perform sealing operations and avoid the influence of these external factors.

[0015] 2. Through the setting of the air box mechanism, the utility model can effectively isolate the current between electrical equipment rooms, prevent electrical breakdown and short circuit, thus protecting the safety of equipment and power grids. During the switch operation process, such as the arc that may be generated when the circuit breaker is switched on or off, it can quickly extinguish the arc and prevent the expansion of accidents. It plays a very important role in the power system. It can not only provide excellent insulation and arc extinguishing capabilities, ensure the safe and stable operation of the system, but also has the advantages of environmental protection, low carbon, and convenient maintenance.

[0016] 3. Through the setting of the reinforcement plate, the utility model can play a role in strengthening the power box and enhancing the connection between the power box and the box body.

[0017] 4. Through the setting of the angle plate assembly, the utility model can play a role in strengthening the motor, making the connection between the motor and the power box more stable and avoiding the phenomenon of the motor falling off.

[0018] 5. Through the setting of the fixing plate, the utility model can play a role in strengthening the limit slide rail and avoiding the phenomenon of the limit slide rail falling off during long-term use.

[0019] 6. Through the setting of the limit strip, the utility model can play a role in limiting and strengthening the support slide frame and avoiding the phenomenon of the support slide frame falling off or shifting in position. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the utility model;

[0021] Figure 2 is a structural diagram of the air box mechanism of the utility model;

[0022] Figure 3 is a structural diagram of the closing mechanism of the utility model;

[0023] Figure 4 is a disassembled view of the power box of the utility model;

[0024] Figure 5 is a front view sectional view of the power box of the utility model.

[0025] In the figure: 1. Air box mechanism; 11. Box body; 12. Box door; 13. Instrument panel; 14. Gas sealing tank; 2. Closing mechanism; 21. Power box; 22. Motor; 23. Turntable assembly; 24. Round pin assembly; 25. Transmission frame; 26. Limit slide rail; 27. Support slide frame; 28. Connecting plate; 29. Transmission plate; 210. Transmission rod; 211. Connecting block; 212. Sealing pressing plate; 3. Reinforcement plate; 4. Angle plate assembly; 5. Fixing plate; 6. Limit strip. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] As Figures 1 to 5 shown, a sealing structure for a special gas tank of an environmentally friendly gas-insulated sealed switch provided by the present utility model includes:

[0028] A gas tank mechanism 1;

[0029] A closing mechanism 2, the closing mechanism 2 is fixedly connected to the gas tank mechanism 1. The closing mechanism 2 includes a power box 21. A motor 22 is fixedly connected to the back of the inner wall of the power box 21. The output end of the motor 22 is fixedly connected to a turntable assembly 23. A round pin assembly 24 is fixedly connected to the front of the turntable assembly 23. A transmission frame 25 is slidably connected to the surface of the round pin assembly 24. Both sides of the transmission frame 25 are slidably connected to a limit slide rail 26. The outside of the limit slide rail 26 is fixedly connected to the inner wall of the power box 21. The top and bottom of the right side of the inner wall of the power box 21 are both fixedly connected to a support slide frame 27. A connecting plate 28 is movably connected to the inside of the support slide frame 27. The bottom of the connecting plate 28 extends to the outside of the power box 21. A transmission plate 29 is movably connected to the inside of the support slide frame 27. The bottom of the transmission plate 29 extends to the outside of the power box 21. The top of the transmission plate 29 is movably connected to a transmission rod 210 through a rotating shaft. The top of the transmission rod 210 is movably connected to the bottom of the transmission frame 25 through a rotating shaft. The back of the transmission rod 210 is movably connected to a connecting block 211 through a rotating shaft. The outside of the connecting block 211 is movably connected to the back of the connecting plate 28 through a rotating shaft. A sealing pressure plate 212 is fixedly connected to the inside of the connecting block 211.

[0030] Referring to Figure 2 , the gas tank mechanism 1 includes a box body 11. The outside of the box body 11 is fixedly connected to the back of the power box 21. A box door 12 is movably connected to the front of the box body 11. A dashboard 13 is arranged on the front of the box body 11. A gas sealing tank 14 is fixedly connected to the inner cavity of the box body 11.

[0031] As a technical optimization solution of the present utility model, through the setting of the gas tank mechanism 1, the current between electrical equipment can be effectively isolated, preventing electrical breakdown and short circuit, thereby protecting the safety of equipment and the power grid. During the switch operation, such as the arc that may be generated when the circuit breaker is switched on and off, the arc can be quickly extinguished to prevent the expansion of the accident. It plays a very important role in the power system. It can not only provide excellent insulation and arc extinguishing capabilities, ensure the safe operation and stability of the system, but also has the advantages of environmental protection, low carbon, and convenient maintenance.

[0032] Reference Figure 1 On both sides of the power box 21, reinforcing plates 3 are fixedly connected, and the back of the reinforcing plate 3 is fixedly connected to the outer side of the box body 11.

[0033] As a technical optimization scheme of the present utility model, through the arrangement of the reinforcing plate 3, the power box 21 can be reinforced, and the connection between the power box 21 and the box body 11 is strengthened.

[0034] Reference Figure 5 On the top and bottom of the motor 22, angle plate assemblies 4 are fixedly connected, and the back of the angle plate assembly 4 is fixedly connected to the inner wall of the power box 21.

[0035] As a technical optimization scheme of the present utility model, through the arrangement of the angle plate assembly 4, the motor 22 can be reinforced, making the connection between the motor 22 and the power box 21 more stable and avoiding the phenomenon of the motor 22 falling off.

[0036] Reference Figure 5 On the front and back of the limit slide rail 26, fixing plates 5 are fixedly connected, and the outer side of the fixing plate 5 is fixedly connected to the inner wall of the power box 21.

[0037] As a technical optimization scheme of the present utility model, through the arrangement of the fixing plate 5, the limit slide rail 26 can be reinforced, avoiding the phenomenon of the limit slide rail 26 falling off during long-term use.

[0038] Reference Figure 5 On the inner side of the support slide frame 27, a limit strip 6 is fixedly connected, and the outer side of the limit strip 6 is fixedly connected to the inner wall of the power box 21.

[0039] As a technical optimization scheme of the present utility model, through the arrangement of the limit strip 6, the support slide frame 27 can be limited and reinforced, avoiding the phenomenon of the support slide frame 27 falling off or shifting in position.

[0040] The working principle and usage process of the present utility model: First, when the user needs to prevent dust and rain from entering the inner cavity of the box body 11, only need to start the motor 22 in the power box 21. The output end of the motor 22 drives the turntable assembly 23 to rotate. The turntable assembly 23 drives the transmission frame 25 to move up and down through the round pin assembly 24. The transmission frame 25 drives the transmission plate 29 to move up and down through the transmission rod 210. The transmission plate 29 drives the sealing pressing plate 212 to move to a state of being in contact with the box door 12 through the connecting block 211, so as to achieve the effect of preventing dust and rain from entering the inner cavity of the air box.

[0041] In summary, for the sealing structure of the special gas tank for the environmentally friendly gas-insulated switch, by setting the closing mechanism, it changes the phenomenon that in the process of using the traditional special gas tank for the insulated switch, dust, rainwater and other sundries may enter the interior of the tank due to poor sealing performance, which may lead to short circuit, corrosion or damage of the equipment, thus affecting the normal operation and service life of the equipment. It can perform the sealing operation more effectively and avoid the influence of these external factors.

[0042] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0043] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing structure for a special gas box for an environmentally friendly gas-insulated sealed switch, characterized in that: include: Air box mechanism (1); A closing mechanism (2), wherein the closing mechanism (2) is fixedly connected to the air box mechanism (1), and the closing mechanism (2) comprises a power box (21), wherein the back of the inner wall of the power box (21) is fixedly connected to a motor (22), the output end of the motor (22) is fixedly connected to a turntable assembly (23), the front of the turntable assembly (23) is fixedly connected to a round pin assembly (24), the surface of the round pin assembly (24) is slidably connected to a transmission frame (25), both sides of the transmission frame (25) are slidably connected to limit slide rails (26), the outer side of the limit slide rails (26) is fixedly connected to the inner wall of the power box (21), the top and bottom of the right side of the inner wall of the power box (21) are fixedly connected to a support slide (27), and the support slide (27) The inner side of the supporting slide (27) is movably connected with a connecting plate (28), the bottom of which extends to the outer side of the power box (21); the inner side of the supporting slide (27) is movably connected with a transmission plate (29), the bottom of which extends to the outer side of the power box (21); the top of the transmission plate (29) is movably connected with a transmission rod (210) through a rotating shaft, the top of the transmission rod (210) is movably connected to the bottom of the transmission frame (25) through a rotating shaft, the back side of the transmission rod (210) is movably connected with a connecting block (211) through a rotating shaft, the outer side of the connecting block (211) is movably connected to the back side of the connecting plate (28) through a rotating shaft, and the inner side of the connecting block (211) is fixedly connected with a sealing pressure plate (212).

2. The sealing structure of a special gas box for an environmentally friendly gas-insulated sealed switch according to claim 1, characterized in that: The gas box mechanism (1) comprises a box body (11), the outer side of the box body (11) is fixedly connected to the back side of the power box (21), the front side of the box body (11) is movably connected to a box door (12), the front side of the box body (11) is provided with a dashboard (13), and the inner cavity of the box body (11) is fixedly connected to a gas sealing tank (14).

3. The sealing structure of a special gas box for an environmentally friendly gas-insulated sealed switch according to claim 2, characterized in that: Both sides of the power box (21) are fixedly connected with reinforcement plates (3), and the back side of the reinforcement plates (3) is fixedly connected to the outer side of the box body (11).

4. The sealing structure of a special gas box for an environmentally friendly gas-insulated sealed switch according to claim 1, characterized in that: The top and bottom of the motor (22) are both fixedly connected to an angle plate assembly (4), and the back of the angle plate assembly (4) is fixedly connected to the inner wall of the power box (21).

5. The sealing structure of a special gas box for an environmentally friendly gas-insulated sealed switch according to claim 1, characterized in that: The front and back sides of the position-limiting slide rail (26) are both fixedly connected to a fixing plate (5), and the outer side of the fixing plate (5) is fixedly connected to the inner wall of the power box (21).

6. The sealing structure of a special gas box for an environmentally friendly gas-insulated sealed switch according to claim 1, characterized in that: The inner side of the support slide (27) is fixedly connected to a limit strip (6), and the outer side of the limit strip (6) is fixedly connected to the inner wall of the power box (21).

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