CN214466066U

CN214466066U - Mechanical sealing device

Info

Publication number: CN214466066U
Application number: CN202022836212.7U
Authority: CN
Inventors: 王玫霖
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-10-22
Anticipated expiration: 2030-12-01

Abstract

The utility model relates to a mechanical seal technical field just discloses a mechanical seal device, including mechanical body, mechanical body center is equipped with the bearing, and mechanical body installs sealing device through the screw thread rotation, and sealing device includes connection pad, sealed dish and fixed disk. This mechanical seal device, through set up the circular passageway equal with the bearing in sealing device inside, will cup joint the periphery at the bearing, can give high-speed pivoted bearing stable, prevent the bearing shake of high-speed rotation, lead to the frictional force between sealing device inner circle and the bearing great, make the sealing device inner circle impaired at last, make the leakproofness of machinery body lower, circular passageway falls the shake of bearing to minimumly, sealing device's life's effect has been increased, sealing device passes through single component's equipment, can make the effect that sealing device can dismantle and be convenient for the installation.

Description

Mechanical sealing device

Technical Field

The utility model relates to a mechanical seal technical field specifically is a mechanical seal device.

Background

The mechanical sealing device is a shaft sealing device which is kept attached by a pair or a plurality of pairs of end faces which slide relatively and are vertical to a shaft under the action of fluid pressure and the elasticity (or magnetic force) of a compensation mechanism and is matched with auxiliary sealing to achieve leakage resistance, and compared with other types of sealing devices, the mechanical sealing device has the advantages of high reliability, long service life, good mechanical friction, wide application range and the like, so the mechanical sealing device is widely used in various fields in life.

The existing sealing device has excellent performance in the aspect of sealing, but lacks the protection of a bearing when the sealing performance is super strong, if the bearing is not stably shaken when rotating at a high speed, the bearing and a sealing ring inside the sealing device are abraded, and finally the sealing performance is reduced.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a mechanical sealing device possesses stable regulation bearing, reduces the shake, reduces the friction between bearing and the sealing device inner circle, and dismantles and advantage such as installation at the sealing washer for the dispersion, has solved above-mentioned technical problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanical sealing device, includes the machinery body, machinery body center is equipped with the bearing, the machinery body has sealing device through screw thread rotation, sealing device includes connection pad, sealed dish and fixed disk.

Preferably, the bearing is rotatably installed at the center of the machine body, a convex hole is formed in the top surface of the machine body, and threads are arranged in the convex hole.

Through above-mentioned technical scheme, the bearing is installed at mechanical body center, and is current connected mode, and has the gap when installing between bearing and the mechanical body, utilizes sealing device to give the gap between bearing and the mechanical body and plugs up, can make the leakproofness of mechanical body promote, has increased the life of mechanical body.

Preferably, the connection pad is located the sealing device bottom, sealed dish joint is in the connection pad top, the fixed disk is located the top.

Through above-mentioned technical scheme, sealing device passes through the mutual joint of screw thread that screw thread and mechanical body top surface set up, and the connection pad can give the bearing at mechanical body center fixedly, and sealed dish gives the cover with the gap between mechanical body and the bearing, and the fixed disk is installed sealing device at mechanical body top surface.

Preferably, the connecting disc comprises a first spiral ring arranged on the bottom surface, a second spiral ring welded at the bottom end of the first spiral ring and a polygonal fixing bolt welded on the top surface of the connecting disc;

the sealing disc comprises a polygonal hole formed in the surface and a polygonal fixing bolt hole formed in the center;

the fixed disk comprises a polygonal column welded at one end close to the sealing disk.

Through above-mentioned technical scheme, the connection pad is provided with two sets of screw circles, can narrow down the gap of machinery body top surface to minimumly, and can attach completely on the bearing surface, can restrict the shake that produces when the bearing rotates, and attached in the surface can fall the gap to minimumly, is convenient for increase machinery body's leakproofness, and will seal the stable lock of dish at the effect of connection pad top surface through the fixed disk.

Preferably, the first spiral ring and the second spiral ring have the same pitch, the first spiral ring and the second spiral ring are tightly embedded on the top surface of the machine body, and four convex blocks are arranged on the periphery of the polygonal fixing bolt;

the polygonal holes are pentagonal, the number of the polygonal holes is four, and the polygonal fixing bolt holes are tightly sleeved with the polygonal fixing bolts;

the polygonal column is a pentagonal column and is tightly sleeved with the polygonal hole.

Through above-mentioned technical scheme, the pitch of the thread groove that first helicoidal, second helicoidal and mechanical body top surface were seted up equals, can be dead in synchronous inside card, prevents to bite the tooth, and the polygon gim peg cup joints with polygon gim peg hole, and the polygon post will reverse the regulation inside the polygon hole of seting up on connection pad and sealed dish surface.

Preferably, a cylindrical channel is formed in the sealing device, and the cylindrical channel is sleeved at the top end of the bearing.

Through above-mentioned technical scheme, sealing device is inside to be seted up with the equal cylinder passageway of bearing, can reduce the shake of bearing, ensures to increase the leakproofness between bearing and the mechanical body when using.

Compared with the prior art, the utility model provides a mechanical seal device possesses following beneficial effect:

1. this mechanical seal device through set up the circular passageway equal with the bearing in sealing device inside, will cup joint in the periphery of bearing, can give high-speed pivoted bearing stable, prevents the bearing shake of high-speed rotation, leads to the frictional force between sealing device inner circle and the bearing great, makes the sealing device inner circle impaired at last for the leakproofness of machinery body is lower, and circular passageway falls the shake of bearing to minimumly, has increased sealing device's life's effect.

2. This mechanical seal device, through in the thread groove inside that connection pad screw thread rotary joint was seted up at mechanical body top surface, and sealed dish cup joints the polygon gim peg that sets up at the connection pad top surface, and the fixed disk is reverse to be provided with the polygon post, can cup joint with the polygon hole that connection pad and sealed dish surface were seted up, and sealing device can make the effect that sealing device can dismantle and be convenient for the installation through the equipment of single component.

Drawings

FIG. 1 is a front cross-sectional view of the structural machine body of the present invention;

FIG. 2 is a schematic side view of the structural sealing device of the present invention;

FIG. 3 is a schematic view of the structural connection plate of the present invention;

FIG. 4 is a schematic view of the sealing disc of the present invention;

FIG. 5 is a schematic view of the fixing plate of the present invention;

fig. 6 is a schematic view of the back of the structure of the present invention.

Wherein: 1. a machine body; 101. a bearing; 2. a sealing device; 201. a connecting disc; 202. sealing the disc; 203. fixing the disc; 2011. a first coil; 2012. a second coil; 2013. a polygonal fixing bolt; 2021. a polygonal hole; 2022. polygonal fixing bolt holes; 2031. a polygonal column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a mechanical seal device includes a machine body 1, a bearing 101 is disposed at the center of the machine body 1, a seal device 2 is rotatably mounted on the machine body 1 through a screw thread, and the seal device 2 includes a connecting disc 201, a sealing disc 202 and a fixing disc 203.

Specifically, bearing 101 rotates and installs in machinery body 1 center, protruding hole has been seted up to machinery body 1 top surface, the inside screw thread that is provided with of protruding hole, the advantage is that bearing 101 installs at machinery body 1 center, and be current connected mode, and there is the gap when installing between bearing 101 and the machinery body 1, utilize sealing device 2 to give the gap between bearing 101 and the machinery body 1 to plug up, can make the leakproofness of machinery body 1 promote, the life of machinery body 1 has been increased.

Specifically, the connection pad 201 is located the sealing device 2 bottom, and sealed dish 202 joint is in connection pad 201 top, and the fixed disk 203 is located the top, and the advantage is that sealing device 2 passes through the screw thread mutual joint that screw thread and machine body 1 top surface set up, and connection pad 201 can give the bearing 101 at machine body 1 center fixed, and sealed dish 202 gives the cover with the gap between machine body 1 and the bearing 101, and fixed disk 203 installs sealing device 2 at machine body 1 top surface.

Specifically, the connecting disc 201 comprises a first coil 2011 arranged on the bottom surface, a second coil 2012 welded at the bottom end of the first coil 2011 and a polygonal fixing bolt 2013 welded on the top surface of the connecting disc 201; the sealing disc 202 comprises a polygonal hole 2021 formed on the surface and a polygonal fixing bolt hole 2022 formed in the center; the fixed disk 203 comprises a polygonal column 2031 welded at one end close to the sealing disk 202, and has the advantages that the connecting disk 201 is provided with two groups of thread rings, the gap of the top surface of the mechanical body 1 can be minimized, the fixed disk can be completely attached to the surface of the bearing 101, the shake generated when the bearing 101 rotates can be limited, the attached fixed disk can be minimized on the gap on the surface, the sealing performance of the mechanical body 1 can be increased conveniently, and the stable locking of the sealing disk 202 on the top surface of the connecting disk 201 can be realized through the fixed disk 203.

Specifically, the first coil 2011 and the second coil 2012 have the same pitch, the first coil 2011 and the second coil 2012 are tightly embedded in the top surface of the machine body 1, and four protrusions are arranged on the periphery of the polygonal fixing bolt 2013; the polygonal holes 2021 are pentagonal, the number of the polygonal holes 2021 is four, and the polygonal fixing bolt holes 2022 are tightly sleeved with the polygonal fixing bolts 2013; polygonal post 2031 is the pentagon post, and polygonal post 2031 and polygonal hole 2021 closely cup joint, and the advantage is that the pitch of the thread groove that first helicoid 2011,

second helicoid

2012 and 1 top surface of machinery were seted up equals, can inwards block in step, prevents to chew the tooth, and polygon gim peg 2013 cup joints with polygonal gim peg hole 2022, and inside polygonal hole 2021 that polygonal post 2031 will reverse regulation was seted up on land 201 and sealed dish 202 surface.

Specifically, sealing device 2 has inside seted up the cylinder passageway, and the cylinder passageway cup joints in bearing 101 top, and the advantage is sealing device 2 is inside to have seted up the cylinder passageway that equals with bearing 101, can reduce bearing 101's shake, ensures to increase the leakproofness between bearing 101 and the mechanical body 1 when using.

When the sealing device is used, the connecting disc 201 is rotatably clamped inside a threaded groove formed in the top surface of the machine body 1 in advance through the arranged first spiral coil 2011 and the second spiral coil 2012, the sealing disc 202 is sleeved on the polygonal fixing bolt 2013 formed in the top surface of the connecting disc 201, the fixing disc 203 is sleeved inside the polygonal hole 2021 formed in the surfaces of the connecting disc 201 and the sealing disc 202 through the polygonal column 2031, and the sealing device 2 can be stably and fixedly installed on the top surface of the machine body 1, so that the sealing performance of the machine body 1 is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mechanical seal device, comprising a mechanical body (1), characterized in that: the mechanical body (1) center is equipped with bearing (101), sealing device (2) are installed through screw thread rotation in mechanical body (1), sealing device (2) include connection pad (201), sealed dish (202) and fixed disk (203).

2. A mechanical seal according to claim 1, wherein: the bearing (101) is rotatably installed at the center of the mechanical body (1), a convex hole is formed in the top surface of the mechanical body (1), and threads are arranged in the convex hole.

3. A mechanical seal according to claim 1, wherein: the connecting disc (201) is located sealing device (2) bottom, sealing disc (202) joint is in connecting disc (201) top, fixed disk (203) is located the top.

4. A mechanical seal according to claim 1, wherein: the connecting disc (201) comprises a first spiral ring (2011) arranged on the bottom surface, a second spiral ring (2012) welded at the bottom end of the first spiral ring (2011) and a polygonal fixing bolt (2013) welded on the top surface of the connecting disc (201);

the sealing disc (202) comprises a polygonal hole (2021) formed in the surface and a polygonal fixing bolt hole (2022) formed in the center;

the fixed disc (203) comprises a polygonal column (2031) welded at one end close to the sealing disc (202).

5. A mechanical seal according to claim 4, wherein: the thread pitches of the first coil (2011) and the second coil (2012) are equal, the first coil (2011) and the second coil (2012) are tightly embedded on the top surface of the machine body (1), and four convex blocks are arranged on the periphery of the polygonal fixing bolt (2013);

the polygonal holes (2021) are pentagonal, the number of the polygonal holes (2021) is four, and the polygonal fixing bolt holes (2022) are tightly sleeved with the polygonal fixing bolts (2013);

the polygonal column (2031) is a pentagonal column, and the polygonal column (2031) is tightly sleeved with the polygonal hole (2021).

6. A mechanical seal according to claim 1, wherein: a cylindrical channel is formed in the sealing device (2) and is sleeved at the top end of the bearing (101).