CN217898770U

CN217898770U - Mechanical sealing structure

Info

Publication number: CN217898770U
Application number: CN202222039836.5U
Authority: CN
Inventors: 邱阳
Original assignee: Shanghai Rongke New Plastic Manufacturing Co ltd
Current assignee: Shanghai Rongke New Plastic Manufacturing Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-11-25
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a mechanical seal structure, which comprises equipment, axostylus axostyle and spring, a serial communication port, the bottom plate is installed on the top of equipment, sealed pad is installed respectively all around to the bottom of bottom plate, the top and the bottom plate of sealed pad bond, the bolt is installed respectively all around on the top of bottom plate, the axostylus axostyle is installed with bottom plate swing joint respectively, the axostylus axostyle is installed to the middle part of equipment, axostylus axostyle and equipment swing joint, the guard shield is installed on the top of bottom plate, the bottom and the bottom plate fixed connection of guard shield, the kicking block is installed on the top of guard shield, the kicking block all around with guard shield fixed connection, first recess is installed to the bottom of kicking block, the spring is installed to the bottom of kicking block, the top of spring is installed all around, the bottom of kicking block is installed all around, the bottom of bolt respectively with equipment threaded connection, the upper and lower both ends of ball respectively with kicking block and equipment swing joint. The device has simple structure and convenient operation.

Description

Mechanical sealing structure

Technical Field

The utility model relates to a mechanical seal technical field particularly, relates to a mechanical seal structure.

Background

Mechanical seal, also called end face seal, is a device used to solve the problem of sealing between a rotating shaft and a machine body. The device is a device which is kept to be attached and relatively slide under the action of at least one pair of fluid pressure of end faces perpendicular to a rotating axis, the elastic force (or magnetic force) of a compensation mechanism and the matching of auxiliary sealing to prevent fluid leakage, is commonly used for rotary fluid machines such as pumps, compressors, reaction stirring kettles and the like, and is also used for sealing gear boxes, ship tail shafts and the like.

When the existing mechanical sealing element is installed, the compression amount of a mechanical sealing spring needs to be measured so as to ensure that the mechanical sealing can play a good sealing effect, but when the compression amount of the spring does not meet the requirement, the mechanical sealing element needs to be installed again, the installation efficiency of the mechanical sealing element is influenced, and in the repeated installation process, the sealing effect is also easily influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical seal structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanical seal structure, includes equipment, axostylus axostyle and spring, its characterized in that, the bottom plate is installed on the top of equipment, sealed pad is installed respectively all around to the bottom of bottom plate, sealed top of filling up with the bottom plate bonds, the top of bottom plate is installed the bolt respectively all around, the bolt respectively with bottom plate swing joint, the middle part of equipment is installed the axostylus axostyle, the axostylus axostyle with equipment swing joint, the guard shield is installed on the top of bottom plate, the bottom of guard shield with bottom plate fixed connection, the kicking block is installed on the top of guard shield, the kicking block all around with guard shield fixed connection, first recess is installed to the bottom of kicking block, the spring is installed to the bottom of kicking block, the top of spring with the inside gomphosis of first recess is connected, the bottom block is installed to the bottom of spring, the top of bottom block is installed all around the second recess, the bottom of bottom block is installed all around the ball.

Further, the bottom end of the bolt is respectively in threaded connection with the equipment.

Furthermore, the upper end and the lower end of the ball are respectively movably connected with the bottom block and the equipment.

Further, the bottom end of the spring is connected with the inner part of the second groove in an embedded mode.

Furthermore, the middle part of the top block is movably connected with the shaft rod.

Furthermore, the middle part of the bottom block is movably connected with the shaft rod.

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

the utility model discloses a sealing device is convenient for the dismouting change, and improve equipment's maintenance efficiency saves operating time. Meanwhile, the spring can abut against the bottom block in the device, the sealing performance between the bottom block and the equipment is improved, and the shield can prevent dust from entering a gap between the shaft lever and the device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an overall cross-sectional schematic view of a mechanical seal;

fig. 2 is an overall top view schematic of a mechanical seal.

Reference numerals:

1. a top block; 2. a spring; 3. a first groove; 4. a second groove; 5. a base plate; 6. a shaft lever; 7. a shield; 8. a bottom block; 9. a bolt; 10. a gasket; 11. a ball bearing; 12. an apparatus.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1-2, according to the embodiment of the present invention, a mechanical seal structure includes a device 12, a shaft rod 6 and a spring 2, wherein a bottom plate 5 is installed on the top end of the device 12, a sealing gasket 10 is installed around the bottom end of the bottom plate 5, the top end of the sealing gasket 10 is bonded to the bottom plate 5, bolts 9 are installed around the top end of the bottom plate 5, the bolts 9 are movably connected to the bottom plate 5, the shaft rod 6 is installed in the middle of the device 12, the shaft rod 6 is movably connected to the device 12, a protecting cover 7 is installed on the top end of the bottom plate 5, the bottom end of the protecting cover 7 is fixedly connected to the bottom plate 5, a top block 1 is installed on the top end of the protecting cover 7, the periphery of the top block 1 is fixedly connected to the protecting cover 7, a first groove 3 is installed on the bottom end of the top block 1, the spring 2 is installed on the bottom end of the top block 1, the top end of the spring 2 is connected to the first groove 3 in an embedded manner, a bottom block 8 is installed on the bottom end of the bottom block 8, and the periphery of the bottom block 8 is installed on the bottom end of the second groove 4, and a ball 11 is installed on the periphery of the bottom block 8.

Through the above technical scheme of the utility model, bolt 9's bottom respectively with equipment 12 threaded connection, the upper and lower both ends of ball 11 respectively with bottom block 8 and equipment 12 swing joint, the bottom of spring 2 with the inside gomphosis of second recess 4 is connected, the middle part of kicking block 1 with 6 swing joint of axostylus axostyle, the middle part of bottom block 8 with 6 swing joint of axostylus axostyle.

The working principle is as follows: the utility model discloses a sealing device is convenient for the dismouting change, and improve equipment's maintenance efficiency saves operating time. At the same time, the spring 2 can abut against the bottom block 8 in the interior of the device, improving the sealing performance between the bottom block 8 and the equipment 12, and the shield 7 can prevent dust from entering the gap between the shaft 6 and the device.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mechanical sealing structure comprises a device (12), a shaft rod (6) and a spring (2), and is characterized in that a bottom plate (5) is installed at the top end of the device (12), sealing gaskets (10) are respectively installed on the periphery of the bottom end of the bottom plate (5), the top end of each sealing gasket (10) is bonded with the bottom plate (5), bolts (9) are respectively installed on the periphery of the top end of the bottom plate (5), the bolts (9) are respectively and movably connected with the bottom plate (5), the shaft rod (6) is installed in the middle of the device (12), the shaft rod (6) is movably connected with the device (12), a shield (7) is installed on the top end of the bottom plate (5), the bottom end of the shield (7) is fixedly connected with the bottom plate (5), a top block (1) is installed on the top end of the shield (7), a first groove (3) is installed on the bottom end of the top block (1), the spring (2) is installed on the top end of the spring (2), a second groove (8) is installed on the top end of the first groove (3), and a second groove (8) is installed on the bottom groove (8) and the bottom groove (4), and balls (11) are arranged around the bottom end of the bottom block (8).

2. A mechanical seal according to claim 1, wherein the bottom ends of the bolts (9) are each threadedly connected to the equipment (12).

3. A mechanical seal according to claim 1, wherein the upper and lower ends of the ball (11) are movably connected to the bottom block (8) and the device (12), respectively.

4. A mechanical seal according to claim 1, wherein the bottom end of the spring (2) is in a fitting connection with the inside of the second recess (4).

5. A mechanical seal according to claim 1, characterized in that the middle of the top block (1) is movably connected to the shaft (6).

6. A mechanical seal according to claim 1, wherein the middle of the bottom block (8) is movably connected to the shaft (6).