CN215304983U

CN215304983U - Mechanical sealing device

Info

Publication number: CN215304983U
Application number: CN202121177755.0U
Authority: CN
Inventors: 王英乾
Original assignee: Bohai Shipbuilding Vocational College
Current assignee: Bohai Shipbuilding Vocational College
Priority date: 2021-05-29
Filing date: 2021-05-29
Publication date: 2021-12-28
Anticipated expiration: 2031-05-29

Abstract

The utility model relates to the technical field of high-pressure heating sealing, in particular to a mechanical sealing device which comprises a device main body, wherein the device main body comprises a heating kettle main body, the top end of the heating kettle main body is fixedly connected with the bottom end of a sealing ring, the top end of the sealing ring is embedded into a groove formed in the bottom end of a sealing gasket, the sealing gasket is arranged in a pressurizing cover main body, two sides of the sealing gasket are fixedly connected with lantern rings, two groups of lantern rings are slidably connected with sliding rods, the sliding rods are fixedly connected in the groove formed in the inner wall of the pressurizing cover main body, the top ends of the two groups of lantern rings are fixedly connected with pressure springs, the top ends of the pressure springs are fixedly connected with the pressurizing cover main body, and two sides of the top end of the heating kettle main body are fixedly connected with sleeves. The utility model has better sealing property, greatly prolongs the service life of rubber, and can reduce the possible damage caused by high-pressure steam.

Description

Mechanical sealing device

Technical Field

The utility model relates to the technical field of high-pressure heating sealing, in particular to a mechanical sealing device.

Background

In plateau areas, as the ground pressure is lower and lower along with the increase of the altitude, the boiling point of water is lower and higher, so that the food is not easy to cook in the plateau areas, people utilize a pressure cooker to cook the food, the pressure cooker is provided with a mechanical sealing structure, when the food is cooked by the pressure cooker, the pressure cooker has higher air pressure inside, so that the food can be cooked in the pressure cooker, and therefore, the existing mechanical sealing device basically meets the use requirements of people, but still has the following problems.

The mechanical sealing device that traditional pressure cooker had is at the in-process of in-service use, though can have better leakproofness, but traditional mechanical sealing structure usually needs to adopt the mode of rotatory block extrusion rubber gasket to play sealed effect, the life of rubber gasket can greatly be influenced to rotatory extruded process, lead to the life of device to receive the influence, and traditional device is cooking food after, need release the inside high-pressure steam of device earlier, the high-pressure steam of temperature is when contacting the human body, very easily causes the human body scald, consequently need a mechanical sealing device to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mechanical sealing device to solve the problems that the service life of the device is influenced by the use mode of the traditional device proposed in the background art, and high-pressure steam discharged by the traditional device can cause scald to human bodies.

In order to achieve the purpose, the utility model provides the following technical scheme: a mechanical sealing device comprises a device main body, wherein the device main body comprises a heating kettle main body, the top end of the heating kettle main body is fixedly connected with the bottom end of a sealing ring, the top end of the sealing ring is embedded into a groove formed in the bottom end of a sealing gasket, the sealing gasket is arranged in a pressurizing cover main body, lantern rings are fixedly connected to two sides of the sealing gasket, two sets of lantern rings are slidably connected with sliding rods, the sliding rods are fixedly connected in the groove formed in the inner wall of the pressurizing cover main body, the top ends of the two sets of lantern rings are fixedly connected with pressure springs, the top ends of the pressure springs are fixedly connected with the pressurizing cover main body, sleeves are fixedly connected to two sides of the top end of the heating kettle main body, pull rods are slidably connected to the insides of the sleeves, reset springs are sleeved outside the two sets of pull rods, and the reset springs are fixedly connected between the sleeves and the pull rods, two sets of one side that the pull rod is close to the sealing ring all imbeds the recess that the sealing ring outer wall was seted up, and the pull rod all runs through the bottom of gland main part.

Preferably, the sealed top fixedly connected with trachea main part that fills up, and the inside pressure release groove of seting up of the top embedding pressurization lid main part of trachea main part, the inside of heating cauldron main part is through sealed inside trompil and trachea main part intercommunication of filling up, trachea main part and pressure release groove intercommunication, and the inside intercommunication of the top of pressure release groove and cooling chamber, the bottom of cooling chamber and the top fixed connection of pressurization lid main part, and the top middle part of cooling chamber rotates and is connected with the threaded rod, and the bottom and the relief valve threaded connection of threaded rod, the bottom of relief valve embedding cooling chamber's bottom opening, and the both sides of relief valve and the montant sliding connection of cooling chamber inner wall bottom fixed connection, the top fixedly connected with exhaust hole of cooling chamber.

Preferably, the cooling chamber is fixedly connected with a cooling pipe outside, the cooling pipe is fixedly connected with the water tank main body, the cooling pipe is communicated with the water tank main body, and the bottom end of the water tank main body is fixedly connected with the top end of the pressurizing cover main body.

Preferably, the top end of the sealing ring is made of rubber, and the top end of the sealing ring is arc-shaped.

Preferably, the inside of gland main part is inlayed and is had the sealing washer, and the sealing washer cover is established in the outside of trachea main part, the sealing washer sets up to the rubber material.

Preferably, the cooling chamber and the cooling pipe are both made of aluminum alloy, and the pressure release valve is made of plastic.

Compared with the prior art, the utility model has the beneficial effects that:

1. this mechanical seal device is provided with the sealing ring, sealed pad and relief valve, in the use of device, at first place the top of heating cauldron main part with the gland main part, utilize the pull rod to lock gland main part and heating cauldron main part, the inseparable block in top that the compressed pressure spring can keep sealed bottom and the sealing ring of filling up this moment, make the leakproofness of device obtain keeping, and can not extrude the rubber on rotatory sealing ring top, the life of device has greatly been prolonged, the convenience of device has been improved, leakproofness and life.

2. This mechanical seal device is provided with trachea main part and cooling chamber, when the device need release high-pressure steam, at first, rotate the threaded rod and drive the relief valve and remove, make the opening of cooling chamber bottom opened, such opening mode can the inside speed of covering the steam discharge of controlling means, the inside high-pressure steam of device gets into the inside back of cooling chamber, the heat is absorbed by the inner wall of cooling chamber, and transmit the water of cooling tube and basin main part inside, last steam is discharged to the external world from the exhaust hole, the heat greatly reduced that the steam that discharges to the external world contains this moment, the effectual risk that steam caused the scald to the people that has reduced, the protectiveness of device has been improved.

Drawings

FIG. 1 is a schematic sectional elevation view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of a portion of the structure shown at B in FIG. 1 according to the present invention;

FIG. 4 is a schematic front view of a portion of the structure of the cooling chamber, threaded rod, vent hole, cooling tube and water bath body of the present invention.

In the figure: 110. heating the kettle main body; 111. a seal ring; 210. a pressure cap body; 211. a gasket; 212. a collar; 213. a slide bar; 214. a pressure spring; 220. a sleeve; 221. a pull rod; 222. a return spring; 310. a trachea main body; 311. a seal ring; 312. a pressure relief groove; 320. a cooling chamber; 321. a threaded rod; 322. a pressure relief valve; 323. an exhaust hole; 324. a cooling tube; 325. a water tank main body.

Detailed Description

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

Referring to fig. 1-4, an embodiment of the present invention is shown:

a mechanical sealing device comprises a device main body, the device main body comprises a heating kettle main body 110, the top end of the heating kettle main body 110 is fixedly connected with the bottom end of a sealing ring 111, the top end of the sealing ring 111 is embedded into a groove formed in the bottom end of a sealing gasket 211, the sealing gasket 211 is arranged inside a pressurizing cover main body 210, two sides of the sealing gasket 211 are fixedly connected with lantern rings 212, two sets of lantern rings 212 are slidably connected with sliding rods 213, the sliding rods 213 are fixedly connected inside grooves formed in the inner wall of the pressurizing cover main body 210, the top ends of the two sets of lantern rings 212 are fixedly connected with pressure springs 214, the top end of each pressure spring 214 is fixedly connected with the pressurizing cover main body 210, two sides of the top end of the heating kettle main body 110 are fixedly connected with sleeves 220, the inside of each sleeve 220 is slidably connected with a pull rod 221, the outside of the two sets of pull rods 221 are sleeved with return springs 222, and the return springs 222 are fixedly connected between the sleeves 220 and the pull rods 221, two sets of pull rods 221 are close to the recess that sealing ring 111 outer wall was seted up all to imbed in one side of sealing ring 111, and pull rod 221 all runs through the bottom of pressurization lid main part 210, through such design, heat cauldron main part 110 and pressurization lid main part 210 through the locking, make pressure spring 214 can press down sealed the pad 211, keep sealed the inseparable block of pad 211 and sealing ring 111, make the device realize that sealed operation is more convenient, the wearing and tearing that the device led to the fact to sealing ring 111 top rubber have been reduced, the convenience and the life of device have been improved.

The top end of the sealing gasket 211 is fixedly connected with an air pipe main body 310, the top end of the air pipe main body 310 is embedded into a pressure relief groove 312 formed in the pressurizing cover main body 210, the interior of the heating kettle main body 110 is communicated with the air pipe main body 310 through an opening in the sealing gasket 211, the air pipe main body 310 is communicated with the pressure relief groove 312, the top end of the pressure relief groove 312 is communicated with the interior of the cooling chamber 320, the bottom end of the cooling chamber 320 is fixedly connected with the top end of the pressurizing cover main body 210, the middle part of the top end of the cooling chamber 320 is rotatably connected with a threaded rod 321, the bottom end of the threaded rod 321 is in threaded connection with a pressure relief valve 322, the bottom end of the pressure relief valve 322 is embedded into an opening in the bottom end of the cooling chamber 320, two sides of the pressure relief valve 322 are in sliding connection with a vertical rod fixedly connected with the bottom end of the inner wall of the cooling chamber 320, the top end of the cooling chamber 320 is fixedly connected with an air exhaust hole 323, and through the design, the heat of high-pressure steam released by the device is released in the cooling chamber 320, the heat of the steam discharged by the device is reduced, the phenomenon that the steam of the device is not burnt on people is effectively avoided, and the protection performance of the device is improved.

The cooling pipe 324 is fixedly connected to the outside of the cooling chamber 320, the cooling pipe 324 is fixedly connected with the water tank main body 325, the inside of the cooling pipe 324 is communicated with the inside of the water tank main body 325, and the bottom end of the water tank main body 325 is fixedly connected with the top end of the pressurizing cover main body 210.

The top of sealing ring 111 sets up to rubber material, and the top of sealing ring 111 sets up to arc, through such design for the top of sealing ring 111 and the bottom recess block of sealed pad 211 are inseparabler, have improved the leakproofness of device.

The sealing ring 311 is embedded in the pressurizing cover main body 210, the sealing ring 311 is sleeved outside the air pipe main body 310, and the sealing ring 311 is made of rubber, so that the pressurizing cover main body 210 and the air pipe main body 310 are attached more tightly, and the sealing performance of the device is improved.

Cooling chamber 320 and cooling tube 324 all set up to the aluminum alloy material, and relief valve 322 sets up to the plastic material, through such design, has greatly increased the heat conductivility of cooling chamber 320 and cooling tube 324, and the relief valve 322 of plastic material can increase relief valve 322 and close the inseparable degree of cooling chamber 320 bottom opening, has improved the practicality of device.

The working principle is as follows: in the using process of the device, firstly, the pressure cover main body 210 is placed at the top end of the heating kettle main body 110, the top end of the sealing ring 111 is embedded into the groove formed in the bottom end of the sealing gasket 211, then, the pressure cover main body 210 is pressed downwards until the pull rod 221 can be embedded into the bottom end of the pressure cover main body 210, at this time, the pressure cover main body 210 and the heating kettle main body 110 are locked completely, in the process of pressing the pressure cover main body 210 downwards, the sealing gasket 211 is supported by the sealing ring 111, so that the sealing gasket 211 drives the collar 212 to slide upwards relative to the pressure cover main body 210, and the pressure spring 214 is compressed, and at this time, the compressed pressure spring 214 can keep the bottom end of the sealing gasket 211 and the top end of the sealing ring 111 to be tightly clamped.

When the device needs to release high-pressure steam, firstly, the threaded rod 321 is rotated to drive the pressure release valve 322 to move, so that the opening at the bottom end of the cooling chamber 320 is opened, the opening mode can control the speed of discharging the steam inside the device, the high-pressure steam inside the device flows into the air pipe main body 310 through the inner opening of the sealing gasket 211, then enters the inside of the cooling chamber 320 through the pressure release groove 312 and the bottom end opening of the cooling chamber 320, the heat of the high-pressure steam inside the cooling chamber 320 is absorbed by the inner wall of the cooling chamber 320 and is transferred to the cooling pipe 324 and the water inside the water tank main body 325, and finally, the steam is discharged to the outside from the exhaust hole 323, so that the heat contained in the steam discharged to the outside is greatly reduced, and the operation is finished.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A mechanical seal device, includes the device main part, its characterized in that: the device main body comprises a heating kettle main body (110), the top end of the heating kettle main body (110) is fixedly connected with the bottom end of a sealing ring (111), the top end of the sealing ring (111) is embedded into a groove formed in the bottom end of a sealing gasket (211), the sealing gasket (211) is arranged inside a pressurizing cover main body (210), two sides of the sealing gasket (211) are fixedly connected with lantern rings (212), two sets of lantern rings (212) are all in sliding connection with sliding rods (213), the sliding rods (213) are all fixedly connected inside the groove formed in the inner wall of the pressurizing cover main body (210), the top ends of the lantern rings (212) are all in fixed connection with pressure springs (214), the top ends of the pressure springs (214) are fixedly connected with the pressurizing cover main body (210), sleeves (220) are all fixedly connected to two sides of the top end of the heating kettle main body (110), and pull rods (221) are all in sliding connection with sleeves (220), the outer parts of the two groups of pull rods (221) are all sleeved with return springs (222), the return springs (222) are all fixedly connected between the sleeve (220) and the pull rods (221), one sides of the two groups of pull rods (221) close to the sealing rings (111) are all embedded into grooves formed in the outer walls of the sealing rings (111), and the pull rods (221) all penetrate through the bottom end of the pressurizing cover main body (210).

2. A mechanical seal according to claim 1, wherein: the top end of the sealing gasket (211) is fixedly connected with a gas pipe main body (310), the top end of the gas pipe main body (310) is embedded into a pressure relief groove (312) formed in the pressure relief cover main body (210), the inside of the heating kettle main body (110) is communicated with the gas pipe main body (310) through a hole formed in the sealing gasket (211), the gas pipe main body (310) is communicated with the pressure relief groove (312), the top end of the pressure relief groove (312) is communicated with the inside of the cooling chamber (320), the bottom end of the cooling chamber (320) is fixedly connected with the top end of the pressure relief cover main body (210), the middle part of the top end of the cooling chamber (320) is rotatably connected with a threaded rod (321), the bottom end of the threaded rod (321) is in threaded connection with the pressure relief valve (322), the bottom end of the pressure relief valve (322) is embedded into the bottom end opening of the cooling chamber (320), and two sides of the pressure relief valve (322) are in sliding connection with a vertical rod fixedly connected with the bottom end of the inner wall of the cooling chamber (320), the top end of the cooling chamber (320) is fixedly connected with an exhaust hole (323).

3. A mechanical seal according to claim 2, wherein: the cooling chamber (320) is fixedly connected with a cooling pipe (324) outside, the cooling pipe (324) is fixedly connected with the water tank main body (325), the cooling pipe (324) is communicated with the water tank main body (325), and the bottom end of the water tank main body (325) is fixedly connected with the top end of the pressurizing cover main body (210).

4. A mechanical seal according to claim 1, wherein: the top end of the sealing ring (111) is made of rubber, and the top end of the sealing ring (111) is arc-shaped.

5. A mechanical seal according to claim 2, wherein: the inside of pressurization lid main part (210) is inlayed and is had sealing washer (311), and sealing washer (311) cover is established in the outside of trachea main part (310), sealing washer (311) set up to rubber material.

6. A mechanical seal according to claim 3, wherein: cooling chamber (320) and cooling tube (324) all set up to the aluminum alloy material, relief valve (322) set up to the plastic material.