CN211852778U

CN211852778U - Rotary adjusting device for end cover sealing

Info

Publication number: CN211852778U
Application number: CN201922284798.8U
Authority: CN
Inventors: 伊鹏; 贾庆功; 杜亚宁; 王锦群; 方向明; 马乐; 张磊; 王珑; 李江伟; 张弛; 张蕾; 王志杰; 王亚滨
Original assignee: Xi'an Juneng Equipment Technology Co ltd
Current assignee: Xi'an Juneng Equipment Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-11-03
Anticipated expiration: 2029-12-18

Abstract

The utility model belongs to the technical field of mechanical vacuum, and relates to a rotary adjusting device for sealing an end cover, which comprises a fixed bracket and a main shaft, wherein the main shaft is connected with the end cover through a plurality of reinforcing ribs; the outer surface of the end cover is fixed with a sealing cover, the sealing cover comprises two U-shaped pieces which are symmetrically arranged, and the U-shaped pieces are provided with second adjusting structures which are used for adjusting the distance between the end cover and the contact surface of the vacuum container or adjusting the distance between the end cover and the contact surface of the vacuum container. The design of the main shaft rotating assembly is added, so that the end cover can rotate around the main shaft, the middle part of the end cover is connected through the bolt assembly and the pull rod for fine adjustment in the front and back directions, the rotation adjustment of the end cover and the front and back adjustment of the end cover and the contact surface are ensured, and the three components act together to achieve good sealing; this compare with traditional closing device, the device can effectively avoid the equipment great pressure when sealing, has adjustable, convenient characteristics, can save a large amount of manpower, material resources.

Description

Rotary adjusting device for end cover sealing

Technical Field

The utility model belongs to the technical field of mechanical vacuum, a rotation regulation device for end cover seal is related to.

Background

With the stricter requirements of industrial production on material technology, particularly oxidation resistance, the requirements on equipment reach the vacuum field, and higher requirements on how to quickly and effectively seal the equipment are provided.

The traditional vacuum equipment sealing is sealed by a door type handle pressing or pneumatic pressing device. Because the equipment port bore is great, when compressing tightly sealed, often one side contacts earlier, and the opposite side carries out the forced seal through increasing pressure, and this kind of sealing mode leads to the damage of sealing washer easily and produces the damage to equipment contact side surface earlier.

In order to avoid the above situation, the operator often needs to check the sealing ring and clean the surface interface of the equipment periodically, which has the following problems: 1. when the valve is closed, an operator needs to manually squeeze the valve with great difficulty; 2. the detection takes longer time and has low efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a rotation regulation device for end cover seal to furnace door closing difficulty in solving current vacuum apparatus can't realize the problem of regulation.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a rotary adjusting device for sealing an end cover comprises a fixed support, wherein the fixed support is connected with a main shaft through a main shaft rotating assembly, the main shaft is connected with the end cover through a plurality of reinforcing ribs, the end cover can rotate around the main shaft, and a first adjusting mechanism for adjusting the vertical displacement of the end cover is arranged below the main shaft; the outer surface of the end cover is fixedly provided with a sealing cover, the sealing cover comprises two U-shaped pieces which are symmetrically arranged, and the U-shaped pieces are provided with second adjusting structures which are used for adjusting the distance between the end cover and the contact surface of the vacuum container or adjusting the distance between the end cover and the contact surface of the vacuum container.

Further, the first adjusting mechanism comprises an auxiliary shaft positioned below the main shaft, and the auxiliary shaft is mounted on the first bearing seat through a first bearing; the thread of the auxiliary shaft is matched with the thread of the round nut positioned below the main shaft, and the fine adjustment of the vertical displacement of the main shaft is realized by rotating the round nut.

Further, the second adjusting structure comprises a bolt which sequentially vertically penetrates through the end part of the sealing cover and the upper end surface and the lower end surface of the U-shaped part, the bolt and the sealing cover are fixedly connected through a first nut, and the bolt and the U-shaped part are fixedly connected through a second nut; a pull rod vertically penetrates through the bottom end face of the U-shaped part, one end of the pull rod is sleeved on the bolt, the other end of the pull rod is fixedly connected with the sealing cover through a nut assembly, and the sealing cover is fixed on the end cover through a screw; the pull rod and the bolt are mutually matched to realize the adjustment of the rotation angle of the end cover or the adjustment of the distance from the end cover to the contact surface of the vacuum container.

Further, the nut assembly includes a thin nut and a third nut.

Further, a flat washer is arranged on the contact surface of the head of the bolt and the sealing cover.

Further, the main shaft rotating assembly comprises a second bearing seat and a second bearing which are positioned at the upper end of the main shaft, the second bearing seat and the second bearing are both positioned on the fixed support, and the main shaft is connected with the fixed support through the second bearing.

Furthermore, a reinforcing transverse plate is arranged between every two adjacent reinforcing ribs.

Furthermore, the reinforcing ribs and the end cover are fixedly connected through bolts.

Furthermore, two ends of the main shaft are provided with dust covers.

Furthermore, a plurality of pressing hand wheels are arranged at the edge of the end cover.

Compared with the prior art, the utility model provides a technical scheme includes following beneficial effect: the design of the main shaft rotating assembly is added, so that the end cover can rotate around the main shaft, the middle part of the end cover is connected through the bolt assembly and the pull rod for fine adjustment in the front and back directions, the rotation adjustment of the end cover and the front and back adjustment of the end cover and the contact surface are ensured, and the three components act together to achieve good sealing; the adjustment of the up-and-down displacement of the end cover is realized by adding the design of the first adjusting structure; by adding the design of a second adjusting structure, the end cover is adjusted to be parallel to the contact surface of the vacuum container, or the distance between the end cover and the contact surface of the vacuum container is adjusted; the utility model provides a rotary adjusting device is applicable to the sealing of large-scale vacuum vessel end cover, compares with traditional closing device, and great pressure when can effectively avoiding equipment to seal has adjustable, convenient characteristics, combines the actual application effect in scene, can save a large amount of manpowers, material resources.

In addition, through the design of the first adjusting structure, an auxiliary shaft is arranged below the main shaft, the thread of the auxiliary shaft is matched with the thread of a round nut positioned below the main shaft, and the up-and-down displacement of the main shaft is adjusted by rotating the round nut; through the design of the second adjusting structure, the end cover can rotate around the stud by utilizing the matching of the bolt and the nut, and the end cover surface and the contact sealing surface are adjusted to be parallel; the pull rod is connected with the sealing cover, and the front and rear positions of the end cover are finely adjusted by adjusting the position of the pull rod, so that the distance between the end cover and the contact surface of the vacuum container is more accurate.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

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

Fig. 1 is a front view of a rotation adjusting device for end cap sealing provided by the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 is a cross-sectional view of FIG. 1;

fig. 5 is a partially enlarged schematic view of fig. 4.

Wherein: 1. a bolt; 2. a flat washer; 3. a first nut; 4. a pull rod; 5. a second nut; 6. a screw; 7. sealing the cover; 8. a thin nut; 9. a third nut; 10. fixing a bracket; 11. an end cap; 12. an auxiliary shaft; 13. a first bearing housing; 14. a first bearing; 15. a main shaft; 16. a second bearing housing; 17. a second bearing; 18. and pressing the hand wheel.

Detailed Description

Example (b):

referring to fig. 1-5, the device comprises a fixed support 10, the fixed support 10 is connected with a main shaft 15 through a main shaft rotating assembly, the main shaft 15 is connected with an end cover 11 through a plurality of reinforcing ribs, the end cover 11 can rotate around the main shaft 15, and a first adjusting mechanism for adjusting the up-and-down displacement of the end cover 11 is arranged below the main shaft 15; the outer surface of the end cover 11 is fixed with a sealing cover 7, the sealing cover 7 comprises two U-shaped pieces which are symmetrically arranged, and the U-shaped pieces are provided with second adjusting structures which are used for adjusting the distance between the end cover 11 and the contact surface of the vacuum container or adjusting the distance between the end cover 11 and the contact surface of the vacuum container.

Further, the first adjusting mechanism includes an auxiliary shaft 12 located below the main shaft 15, the auxiliary shaft 12 being mounted on the first bearing block 13 through a first bearing 14; the thread of the auxiliary shaft 12 is matched with the thread of a round nut positioned below the main shaft 15, and the up-and-down displacement of the main shaft 15 is adjusted by rotating the round nut.

Further, the second adjusting structure comprises a bolt 1 which sequentially vertically penetrates through the end part of the sealing cover 7 and the upper end surface and the lower end surface of the U-shaped part, the bolt 1 and the sealing cover 7 are fixedly connected through a first nut 3, and the bolt 1 and the U-shaped part are fixedly connected through a second nut 5; the bottom end face of the U-shaped part vertically penetrates through a pull rod 4, one end of the pull rod 4 is sleeved on the bolt 1, the other end of the pull rod 4 is fixedly connected with a sealing cover 7 through a nut component, and the sealing cover 7 is fixed on an end cover 11 through a screw 6; the pull rod 4 and the bolt 1 are matched with each other to realize the adjustment of the rotation angle of the end cover 11 or the adjustment of the distance between the end cover 11 and the contact surface of the vacuum container.

Further, the nut assembly comprises a thin nut 8 and a third nut 9.

Further, a flat washer 2 is mounted on the contact surface of the head of the bolt 1 and the cover 7.

Further, the main shaft rotating assembly comprises a second bearing block 16 and a second bearing 17 which are positioned at the upper end of the main shaft 15, the second bearing block 16 and the second bearing 17 are both positioned on the fixed support 10, and the main shaft 15 is connected with the fixed support 10 through the second bearing 17.

Furthermore, a reinforcing transverse plate is arranged between adjacent reinforcing ribs.

Further, the reinforcing ribs and the end cover 11 are fixed through bolts.

Further, both ends of the main shaft 15 are provided with dust caps.

Further, the edge of the end cover 11 is provided with a plurality of pressing handwheels 18.

To sum up, the utility model provides a this kind of a rotation regulation device for end cover seal, first regulation structure includes but not limited to main shaft 15, end cover 11, assist axle 12, round nut, fixed bolster 10, main shaft 15 is in the same place with end cover 11 fixed connection, and through second bearing 17, second bearing frame 16 is connected to on the fixed bolster 10, main shaft 15's below and assist the contact of axle 12, assist axle 12 to be furnished with the screw thread and through first bearing 14, first bearing frame 13 is installed on fixed bolster 10, adjust the position of assisting axle 12 through rotating round nut, and then reach the upper and lower position of adjustment main shaft 15 and end cover 11, it is fixed to make it reach suitable position and utilize the nut.

Wherein, the second adjusting structure comprises but not limited to a cover 7, a pull rod 4, a first nut 3, a second nut 5, a third nut 9 and an end cover 11, the upper part of the cover 7 is provided with a U-shaped opening, the cover is connected to the pull rod 4 through a bolt 1, and the bolt 4 can move back and forth in the U-shaped part. The sealing cover 7 is fixed on the end cover 11 through a screw 6 and plays a role of protecting the pull rod 4; the pull rod 4 can finely adjust the front-back distance from the end cover 11 to the contact surface of the vacuum container through the matching with the nut component, and the distance from the end cover 11 to the contact surface of the vacuum container is determined. In addition, the second adjustment structure can also perform rotational adjustment, and the rotational adjustment structure includes but is not limited to an end cover 11, a bolt 1, a first nut 3 and a flat washer 2; the top of the sealing cover 7 is connected with the first nut 3 through the bolt 1, the end cover 11 can rotate around the bolt 1, the adjustment of the rotation angle is achieved, and the end cover 11 is guaranteed to be parallel to the contact surface of the vacuum container by adjusting the angle of the contact surface of the end cover 11 and the vacuum container.

Therefore, the utility model provides a this kind of a rotary adjusting device for end cover seal plays the effect of adjustment end cover 11 through the combined action of first regulation structure and second regulation structure. The specific working process is as follows: the center of the end cover 11 and the sealing surface of the vacuum container are positioned at the same central position by adjusting the auxiliary shaft 12 and the main shaft 15, the pull rod 4 below the sealing cover 7 is adjusted to determine the front-back distance between the end cover 11 and the sealing surface of the vacuum container, finally, the end cover 11 is rotated to rotate around the middle bolt 1 to achieve the aim that the contact surface of the end cover 11 is parallel to the sealing surface of the vacuum container, the three parts are contacted under the combined action, and the purpose of sealing the vacuum equipment is achieved by pressing the pressing hand wheel 16.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. The rotary adjusting device for end cover sealing is characterized by comprising a fixed support (10), wherein the fixed support (10) is connected with a main shaft (15) through a main shaft rotating assembly, the main shaft (15) is connected with an end cover (11) through a plurality of reinforcing ribs, the end cover (11) can rotate around the main shaft (15), and a first adjusting mechanism for adjusting the up-and-down displacement of the end cover (11) is arranged below the main shaft (15); the outer surface of the end cover (11) is fixed with a sealing cover (7), the sealing cover (7) comprises two U-shaped pieces which are symmetrically arranged, and the U-shaped pieces are provided with second adjusting structures which are used for adjusting the distance between the end cover (11) and the contact surface of the vacuum container or adjusting the distance between the end cover (11) and the contact surface of the vacuum container.

2. The rotary adjusting device for end cap seal according to claim 1, characterized in that the first adjusting mechanism comprises, below the main shaft (15), an auxiliary shaft (12), the auxiliary shaft (12) being mounted on a first bearing block (13) by a first bearing (14); the thread of the auxiliary shaft (12) is matched with the thread of a round nut positioned below the main shaft (15), and the up-and-down displacement of the main shaft (15) is adjusted by rotating the round nut.

3. The rotary adjusting device for end cover sealing according to claim 1, wherein the second adjusting structure comprises a bolt (1) which sequentially vertically penetrates through the end part of the sealing cover (7) and the upper and lower end faces of the U-shaped part, the bolt (1) and the sealing cover (7) are fixedly connected through a first nut (3), and the bolt (1) and the U-shaped part are fixedly connected through a second nut (5); the bottom end face of the U-shaped part vertically penetrates through a pull rod (4), one end of the pull rod (4) is sleeved on the bolt (1), the other end of the pull rod (4) is fixedly connected with a sealing cover (7) through a nut component, and the sealing cover (7) is fixed on an end cover (11) through a screw (6); the pull rod (4) is matched with the bolt (1) to adjust the rotation angle of the end cover (11) or adjust the distance from the end cover (11) to the contact surface of the vacuum container.

4. A rotary adjustment device for end cap seal according to claim 3 characterized in that the nut assembly comprises a thin nut (8) and a third nut (9).

5. A rotary adjustment device for end closure according to claim 3, characterized in that the contact surface of the head of the bolt (1) and the cover (7) is fitted with a flat washer (2).

6. The rotary adjusting device for end cap seal according to claim 1, characterized in that the main shaft rotating assembly comprises a second bearing seat (16) and a second bearing (17) which are positioned at the upper end of the main shaft (15), the second bearing seat (16) and the second bearing (17) are both positioned on the fixed bracket (10), and the main shaft (15) and the fixed bracket (10) are connected through the second bearing (17).

7. The rotational adjustment device for an end cap seal according to claim 1, wherein a reinforcement cross plate is installed between adjacent reinforcement ribs.

8. The rotary adjustment device for end cap seal according to claim 7, characterized in that the reinforcing ribs are fixed with the end cap (11) by bolt connection.

9. A rotary adjustment device for end cap seal according to claim 1 characterized in that both ends of the main shaft (15) are provided with dust caps.

10. A rotary adjustment device for end closure according to claim 1, characterized in that the edge of the end closure (11) is provided with a number of pressing handwheels (18).