CN213039814U

CN213039814U - Mechanical sealing device

Info

Publication number: CN213039814U
Application number: CN202022080794.0U
Authority: CN
Inventors: 陈玉; 于立明; 王�华
Original assignee: Jingzhou Baoping Environmental Protection Technology Co ltd
Current assignee: Jingzhou Baoping Environmental Protection Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-04-23
Anticipated expiration: 2030-09-21

Abstract

The utility model provides a mechanical sealing device, in particular to the field of mechanical sealing equipment, which is provided with two compressing parts, namely a first compressing part with large stroke and a second compressing part with bottom stroke, wherein the first compressing part supports an oval cavity through the rotation of a rotary rod to rapidly move up and down a sealing disc and provides a certain compressing force for the sealing disc; the second compresses tightly the portion and revolves a section of thick bamboo through the rotation, carries out fine adjustment and further compressing tightly to sealed dish, and first portion and the second that compresses tightly compress tightly two cooperations of portion, can conveniently open and seal sealed dish, easy operation laborsaving to save time.

Description

Mechanical sealing device

Technical Field

The utility model relates to a mechanical seal equipment field especially relates to a mechanical seal device.

Background

The mechanical sealing device is mechanical equipment for isolating air of a tank body needing to be sealed, a through hole is formed in the tank body, the mechanical sealing device is fixedly arranged on the through hole, pressure is applied to a sealing disc on the mechanical sealing device, the sealing disc is further enabled to block the through hole, and the sealing face on the sealing disc is in edge contact with the through hole to achieve air separation.

The general mechanical sealing device is characterized in that a spiral component is fixedly connected to a sealing disc, and the sealing disc moves up and down through a spiral. It is necessary to rotate the screw member slowly to complete the opening and closing of the sealing disk on the through-hole.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a mechanical seal device makes mechanical seal device's sealed operation simple labour saving more.

According to the embodiment of the utility model, a mechanical sealing device, including sealed dish, support, first compressing tightly portion and second compressing tightly portion, first compressing tightly portion includes rotation axis, rotary rod and shifting block, the rotary rod is fixed mounting on the rotation axis, the rotation axis is rotatory mounting on the support, open the oval cylindrical cavity in the shifting block, the rotary rod is located inside the cavity, the head of rotary rod supports on the inner wall of cavity; the second compresses tightly the portion and includes head rod, a section of thick bamboo and second connecting rod soon, head rod one end fixed connection be in move the bottom of piece, the head rod other end is equipped with first screw thread post, second connecting rod tip is equipped with second screw thread post, first screw thread post with the screw thread of second screw thread post is revolved to opposite, revolve a section of thick bamboo respectively with head rod, second connecting rod threaded connection.

Contrast prior art, the utility model discloses following beneficial effect has:

the device is provided with two pressing parts, namely a first pressing part with a large stroke and a second pressing part with a bottom stroke, wherein the first pressing part supports an oval cavity through rotation of a rotating rod to achieve the purpose of rapidly moving a sealing disc up and down and provides a certain pressing force for the sealing disc; the second compresses tightly the portion and revolves a section of thick bamboo through the rotation, carries out fine adjustment and further compressing tightly to sealed dish, and first portion and the second that compresses tightly compress tightly two cooperations of portion, can conveniently open and seal sealed dish, easy operation laborsaving to save time.

Further, the rotary cylinder comprises an upper cylinder and a lower cylinder, the upper cylinder is fixedly connected with the lower cylinder, and the screwing directions of the inner threads of the upper cylinder and the lower cylinder are opposite.

Further, the side face of the sealing disc is fixedly provided with a limiting block, the support is provided with a track, and the limiting block is connected with the track in a sliding mode.

Furthermore, a first handle is arranged at one end of the rotating shaft.

Furthermore, a second handle is fixedly arranged on the rotary cylinder.

Further, the end of the rotating rod is provided with a pulley.

Furthermore, the upper part and the lower part of the chamber are respectively provided with a limiting groove.

Drawings

Fig. 1 is a three-dimensional view of a mechanical seal device according to an embodiment of the present invention;

fig. 2 is an internal three-dimensional view of a mechanical seal device according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a mechanical seal according to an embodiment of the present invention;

in the above drawings: 1. sealing the disc; 11. a limiting block; 2. a support; 21. a track; 3. a first pressing part; 31. a rotating shaft; 32. rotating the rod; 33. moving the block; 34. a chamber; 341. a limiting groove; 35. a first handle; 36. a pulley; 4. a second pressing part; 41. a first connecting rod; 42. a first threaded post; 43. rotating the cylinder; 431. feeding the cylinder; 432. a lower barrel; 433. a second handle; 44. a second connecting rod; 45. a second threaded post; 5. a tank body; 51. and a through hole.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

The embodiment of the utility model provides a mechanical sealing device, as shown in fig. 1, this mechanical sealing device is generally fixed mounting on jar body 5, and it has through-hole 51 to open on jar body 5, as shown in fig. 1 to 3, including sealed dish 1, support 2, first clamping part 3 and second clamping part 4, sealed dish 1 is located through-hole 51, and support 2 fixes on jar body 5, and support 2 is the cylinder, first clamping part 3 includes rotation axis 31, rotary rod 32 and shifting block 33, rotary rod 32 is fixed mounting on rotation axis 31, and rotary rod 32 sets up with rotation axis 31 is perpendicular, the both ends of rotation axis 31 are rotatory respectively installed on support 2, it has oval cavity 34 to open in the shifting block 33, rotary rod 32 is located the central point of cavity 34 and perpendicular to the oval cross section of cavity 34, rotary rod 32 is located the middle part of cavity 34, and its head is supported on the inner wall of said chamber 34; the second portion of compressing tightly 4 includes head rod 41, a section of thick bamboo 43 and second connecting rod 44 soon, head rod 41 one end fixed connection be in move the bottom of piece 33, the head rod 41 other end is equipped with first screw thread post 42, second connecting rod 44 tip is equipped with second screw thread post 45, first screw thread post 42 is left-handed screw, second screw thread post 45 is right-handed screw, soon a section of thick bamboo 43 respectively with head rod 41, second connecting rod 44 threaded connection.

The device is provided with two pressing parts, namely a first pressing part 3 with a large stroke and a second pressing part 4 with a bottom stroke, wherein the first pressing part 3 is used for rotatably supporting an oval cavity 34 through a rotating rod 32 to quickly move the sealing disc 1 up and down and provide a certain pressing force for the sealing disc 1; the second compresses tightly portion 4 and revolves a section of thick bamboo 43 through the rotation, carries out the fine adjustment and further compressing tightly sealed dish 1, and first portion 3 and the second of compressing tightly compresses tightly two cooperations of portion 4, can conveniently open and seal sealed dish 1, easy operation laborsaving to save time.

In a further embodiment, as shown in fig. 3, for convenience of processing, the rotary cylinder 43 includes an upper cylinder 431 and a lower cylinder 432, the upper cylinder 431 is fixedly connected with the lower cylinder 432, and the inner threads of the upper cylinder 431 and the lower cylinder 432 are opposite in rotation direction.

In a further scheme, as shown in fig. 1 and 3, in order to prevent the sealing disc 1 from rotating, friction between the sealing disc 1 and the tank 5 is caused, the side surface of the sealing disc 1 is fixedly provided with a limiting block 11, the support 2 is provided with a track 21, and the limiting block 11 is connected with the track 21 in a sliding manner.

In a further embodiment, as shown in fig. 1, in order to facilitate the rotation of the rotation shaft 31, a first handle 35 is disposed at one end of the rotation shaft 31.

In a further embodiment, as shown in fig. 1, in order to facilitate the rotation of the rotary cylinder 43, a second handle 433 is fixedly disposed on the rotary cylinder 43.

In a further scheme, as shown in fig. 3, a pulley 36 is disposed at an end of the rotating rod 32, an axis of the pulley 36 is parallel to an axis of the elliptic cylindrical chamber 34, and the pulley 36 facilitates the rotating rod 32 to rotate along the elliptic cylindrical chamber 34, so that the operation of the first clamping portion is more labor-saving.

In a further embodiment, as shown in fig. 3, the upper and lower portions of the chamber 34 are respectively provided with a limiting groove 341, and the limiting groove 341 is an arc-shaped groove, the radius of the limiting groove 341 is equal to or slightly larger than the diameter of the pulley 36, so as to be a mechanical sealing device which is convenient to fix and move to a sealing state, and prevent the rotating rod 32 from rotating to cause the sealing disc 1 to loosen and leak air.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A mechanical sealing device, comprising a sealing disc (1), characterized in that: the pressing device is characterized by further comprising a support (2), a first pressing part (3) and a second pressing part (4), wherein the first pressing part (3) comprises a rotating shaft (31), a rotating rod (32) and a moving block (33), the rotating rod (32) is fixedly installed on the rotating shaft (31), the rotating shaft (31) is rotatably installed on the support (2), an elliptic cylindrical cavity (34) is formed in the moving block (33), the rotating rod (32) is located in the cavity (34), and the head of the rotating rod (32) is supported on the inner wall of the cavity (34); the second compresses tightly portion (4) including head rod (41), a section of thick bamboo (43) and second connecting rod (44) soon, head rod (41) one end with move piece (33) fixed connection, head rod (41) other end is equipped with first screw thread post (42), second connecting rod (44) tip is equipped with second screw thread post (45), first screw thread post (42) with the screw thread of second screw thread post (45) is revolved to opposite, revolve a section of thick bamboo (43) respectively with head rod (41), second connecting rod (44) threaded connection.

2. A mechanical seal according to claim 1, wherein: the rotary cylinder (43) comprises an upper cylinder (431) and a lower cylinder (432), the upper cylinder (431) is fixedly connected with the lower cylinder (432), and the internal threads of the upper cylinder (431) and the lower cylinder (432) are opposite in rotation direction.

3. A mechanical seal according to claim 1, wherein: sealed dish (1) side is fixed and is equipped with stopper (11), be equipped with track (21) on support (2), stopper (11) with track (21) sliding connection.

4. A mechanical seal according to claim 1, wherein: one end of the rotating shaft (31) is provided with a first handle (35).

5. A mechanical seal according to claim 1, wherein: a second handle (433) is fixedly arranged on the rotary cylinder (43).

6. A mechanical seal according to claim 1, wherein: and a pulley (36) is arranged at the end part of the rotating rod (32).

7. A mechanical seal according to claim 1, wherein: the upper part and the lower part of the chamber (34) are respectively provided with a limiting groove (341).