CN214145255U

CN214145255U - Pressure vessel sealing door switch mechanism

Info

Publication number: CN214145255U
Application number: CN202022443985.9U
Authority: CN
Inventors: 张乾永; 孙树民
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-09-07
Anticipated expiration: 2030-10-28

Abstract

The utility model relates to a pressure vessel sealing door switch mechanism, which belongs to the technical field of pressure vessel sealing door switches and comprises a cylinder body, wherein one side of the cylinder body is provided with a hinged hinge assembly, one end of the hinge assembly is connected with the cylinder body, the other end of the hinge assembly is provided with a hinged fixing plate, one end of the fixing plate is provided with a gear ring, the other end of the fixing plate is provided with a movably connected driving gear shaft, the driving gear shaft is sequentially provided with an outer hand wheel, a driving gear, a cover door and an inner hand wheel, the driving gear is positioned between the fixing plate and the cover door, the cover door is connected with the driving gear shaft through a positioning shaft sleeve, the outer edge of the cover door can be connected with the cylinder body in a sealing way, the end of the cover door close to the hinge assembly is provided with a fixedly connected pin shaft, the pin shaft is provided with a driven gear connected through a bearing, one end of the driven gear is connected with the driving gear, the other end of the gear is connected with the gear ring, and the force-saving ratio can reach 1:50 through reasonable design by additionally installing a planetary gear transmission mechanism, therefore, the aim of saving labor in opening and closing the door is achieved, and the aim of easily opening the sealing door is achieved.

Description

Pressure vessel sealing door switch mechanism

Technical Field

The utility model relates to a pressure vessel sealing door on-off mechanism, it belongs to pressure vessel sealing door switch technical field.

Background

The pressure container is widely applied to the fields of biological medicine, medical equipment, marine engineering of ships and the like, and the sealing of the cabin door mainly comprises the following parts: 1. the cabin door is fixed on the cabin wall by bolts, a layer of sealing gasket is arranged between the cabin wall and the cabin door, and sealing is realized by the pretightening force of the bolts; 2. a circle of welding shoe-shaped bolts are welded at the opening of the cabin wall, the cabin door is hinged on the cabin wall, and a rubber ring between the cabin door and the cabin wall is pressed tightly by the pretightening force of the shoe-shaped bolts to realize sealing; 3. the cabin door and the cabin wall are hinged together, a wedge-shaped block is fixed on the cabin door, the cabin opening is provided with a hollowed-out toothed ring, the rotating handle drives the cabin door to rotate, and the wedge-shaped block is tightly pressed on a sealing rubber ring on the cabin body to realize sealing.

To achieve a good and tight seal, the third sealing method is often required. I.e. a hinged, collapsible, sealed door that is opened and closed by means of a handle device. This is affected by the length of the handle and the limitations of the working space, the forces that can be achieved are relatively small, the transmission of the forces acting on the handle to the door opening and closing mechanism is limited, and the door locking device cannot be designed with a high opening and closing force. Therefore, a certain gap exists at the sealing part of the whole sealing door, if the gap at the sealing part is too small, the sealing door needs to be locked and unlocked by a large force during locking, and the manual locking is possibly impossible or the locking is difficult to unlock; if the gap of the sealing part is too large, the sealing is not tight, complete sealing cannot be realized, and the normal work of the pressure container sealing door opening and closing mechanism can not be realized, even safety accidents can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the not enough of existence among the above-mentioned prior art, provide a pressure vessel sealing door on-off mechanism.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

the utility model provides a pressure vessel sealing door on-off mechanism, includes the barrel, is equipped with articulated hinge subassembly on barrel one side, and hinge subassembly one end is connected with the barrel, is equipped with articulated fixed plate on the other end, and fixed plate one end is equipped with the ring gear, and the other end is equipped with swing joint's driving gear axle, and driving gear is epaxial to be equipped with outer hand wheel, driving gear, lid door and interior hand wheel in proper order, and the driving gear is located between fixed plate and the lid door, the lid door is connected with the driving gear axle through location axle sleeve, outward flange can with barrel sealing connection, and the lid door is close to hinge subassembly and serves the round pin axle that is equipped with fixed connection, sells epaxial driven gear who is equipped with through the bearing connection, driven gear one end and driving gear connection, the other end and ring gear connection.

Preferably, a hinge seat is arranged between the hinge assembly and the barrel.

Preferably, the outer side of the edge of the cover door is provided with a fixedly connected wedge-shaped block.

Preferably, a rubber ring is arranged on the connecting surface of the cylinder body and the cover door.

Preferably, a positioning sleeve is arranged between the inner hand wheel and the cover door, the positioning sleeve is welded on the cover door, and an inner hand wheel fixing nut is arranged between the inner hand wheel and the free end of the driving gear shaft.

Preferably, a shaft sleeve is arranged between the outer hand wheel and the fixing plate and fixedly connected with the fixing plate through a bolt.

Preferably, the driven gear is provided with a bearing positioning sleeve, the positioning sleeve is fixedly connected with the cover door, and the bearing positioning sleeve is fixedly connected with the driven gear through a bearing positioning sleeve screw.

Preferably, the gear ring is fixedly connected with the fixing plate through a gear ring fixing screw.

Compared with the prior art, the beneficial effects of the utility model are that: the driving gear shaft, the driving gear, the driven gear and the gear ring form a planetary gear train, the rotation of the driven gear drives the center of the cover door to rotate, a wedge block is fixed at the edge of the cover door, a flange door frame with a hollow block is arranged at one end of the cylinder body, the wedge block on the cover door enters the block part when the door is closed, and the wedge block enters an outer flange of the door frame of the cylinder body to drive the cover door to move inwards along with the rotation of the cover door, so that the cover door is closed and is in sealed connection with the cylinder body.

Drawings

Fig. 1 is a structural sectional view of the present invention.

Fig. 2 is a schematic structural diagram of the fixing plate of the hinge assembly of the present invention.

Fig. 3 is a schematic view of the cover door gear structure of the present invention.

In the figure, 1, an outer hand wheel; 2. a driving gear shaft; 3. a barrel; 4. a wedge block; 5. covering the door; 6. a rubber ring; 7. a positioning sleeve; 8. an inner hand wheel; 9. the inner hand wheel is fixed with a nut; 10. a hinge mount; 11. a fixing plate; 12. a hinge assembly; 13. a gear ring fixing screw; 14. a ring gear; 15. a driven gear; 16. a pin shaft; 17. A bearing positioning sleeve; 18. a bearing; 19. a bearing locating sleeve screw; 20. a shaft sleeve; 21. a bolt; 22. a drive gear.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1-3, a pressure vessel sealing door switch mechanism comprises a cylinder 3, a hinge assembly 12 is provided on one side of the cylinder 3, one end of the hinge assembly 12 is connected with the cylinder 3, a hinged fixing plate 11 is provided on the other end, a gear ring 14 is provided on one end of the fixing plate 11, a driving gear shaft 2 movably connected is provided on the other end, an outer hand wheel 1, a driving gear 22, a cover door 5 and an inner hand wheel 8 are provided on the driving gear shaft 2 in sequence, the driving gear 22 is located between the fixing plate 11 and the cover door 5, the cover door 5 is connected with the driving gear shaft 2 through a positioning shaft sleeve, the outer edge of the cover door can be hermetically connected with the barrel 3, a pin shaft 16 fixedly connected with the cover door 5 is arranged at the end, close to the hinge assembly 12, of the cover door 5, a driven gear 15 connected through a bearing 18 is arranged on the pin shaft 16, one end of the driven gear 15 is connected with the driving gear 22, and the other end of the driven gear 15 is connected with the gear ring 14. The driving gear shaft 2, the driving gear 22, the driven gear 15 and the gear ring 14 form a planetary gear train, and the driven gear 15 rotates around the pin 16 and revolves around the driving gear shaft 2, so as to drive the pin 16 to revolve around the driving gear shaft 2, and further drive the flap 5 to rotate around the driving gear shaft 2.

A hinge seat 10 is arranged between the hinge assembly 12 and the barrel 3.

And a wedge block 4 fixedly connected is arranged on the outer side of the edge of the cover door 5.

And a rubber ring 6 is arranged on the connecting surface of the cylinder 3 and the cover door 5.

A positioning sleeve 7 is arranged between the inner hand wheel 8 and the cover door 5, the positioning sleeve 7 is fixedly connected with the cover door 5, and an inner hand wheel fixing nut 9 is arranged between the inner hand wheel 8 and the free end of the driving gear shaft 2.

A shaft sleeve 20 is arranged between the outer hand wheel 1 and the fixing plate 11, and the shaft sleeve 20 is fixedly connected with the fixing plate 11 through a bolt 21.

And a bearing positioning sleeve 17 is arranged on the driven gear 15, and the bearing positioning sleeve 17 is fixedly connected with the driven gear 15 through a bearing positioning sleeve screw 19.

The gear ring 14 is fixedly connected with the fixing plate 11 through a gear ring fixing screw 13.

The working principle is as follows: the driving gear shaft 2 drives the driving gear 22 to rotate, the driving gear 22 is meshed with the driven gear 15, the driven gear 15 is meshed with the gear ring 14, the hinge assembly 12 drives the cover door 5 to be connected with the barrel 3, one end of the hinge assembly 12 is hinged with the hinge base 10, the other end of the hinge assembly is hinged with the fixing plate 11, the gear ring 14 is fixed on the fixing plate 11, the outer hand wheel 1 or the inner hand wheel 8 is rotated to drive the driving gear shaft 2 to rotate, the driving gear 22 drives the driven gear 15 to rotate, the driven gear 15 rotates around the pin 16, the pin 16 drives the cover door 5 to rotate, the other end of the driven gear 15 is meshed with the gear ring 14, the gear ring 14 is fixed on the fixing plate 11, one end, close to the driving gear shaft 2, of the fixing plate 11 is sleeved on the driving gear shaft 2 through a shaft sleeve 20 and a bolt 21, the driving gear shaft 2, the driving gear 22, the driven gear 15 and the gear ring 14 form a planetary gear train, the driven gear 15 rotates to drive the cover door 5 to rotate, the wedge block 4 is fixed on the edge of the cover door 5, one end of the cylinder body 3 is a flange door frame with a hollow blocking part along with the rotation of the cover door 5, the wedge block 4 on the cover door 5 enters a blocking part when the door is closed, the wedge block 4 enters an outer flange of the door frame of the cylinder body 3 to drive the cover door 5 to move inwards, the cover door 5 is closed and is in sealing connection with the cylinder body 3, compared with a traditional high-pressure container sealing door, the planetary gear train principle in an open gear transmission mechanism is adopted, a planetary gear transmission mechanism is additionally arranged, the labor-saving ratio can reach 1:50 through reasonable design, the purpose of saving labor when the door is opened and closed is achieved, and the purpose of easily opening the sealing door is achieved.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a pressure vessel sealing door switching mechanism which characterized in that: comprises a barrel (3), a hinged hinge assembly (12) is arranged on one side of the barrel (3), one end of the hinge assembly (12) is connected with the barrel (3), a hinged fixing plate (11) is arranged on the other end of the hinge assembly, one end of the fixing plate (11) is provided with a gear ring (14), the other end of the fixing plate is provided with a movably connected driving gear shaft (2), an outer hand wheel (1), a driving gear (22), a cover door (5) and an inner hand wheel (8) are sequentially arranged on the driving gear shaft (2), the driving gear (22) is positioned between the fixing plate (11) and the cover door (5), the cover door (5) is connected with the driving gear shaft (2) through a positioning shaft sleeve, the outer edge of the cover door can be hermetically connected with the barrel (3), a fixedly connected pin shaft (16) is arranged on the end, close to the hinge assembly (12), of the cover door (5), and a driven gear (15) connected through a bearing (18) is arranged on the pin shaft (16), one end of the driven gear (15) is connected with the driving gear (22), and the other end is connected with the gear ring (14).

2. The pressure vessel sealing door opening and closing mechanism of claim 1, wherein: a hinge seat (10) is arranged between the hinge assembly (12) and the barrel (3).

3. The pressure vessel sealing door opening and closing mechanism of claim 1, wherein: the outer side of the edge of the cover door (5) is provided with a wedge-shaped block (4) which is fixedly connected.

4. The pressure vessel sealing door opening and closing mechanism of claim 1, wherein: and a rubber ring (6) is arranged on the connecting surface of the cylinder body (3) and the cover door (5).

5. The pressure vessel sealing door opening and closing mechanism of claim 1, wherein: a positioning sleeve (7) is arranged between the inner hand wheel (8) and the cover door (5), the positioning sleeve (7) is fixedly connected with the cover door (5), and an inner hand wheel fixing nut (9) is arranged between the inner hand wheel (8) and the free end of the driving gear shaft (2).

6. The pressure vessel sealing door opening and closing mechanism of claim 1, wherein: a shaft sleeve (20) is arranged between the outer hand wheel (1) and the fixing plate (11), and the shaft sleeve (20) is fixedly connected with the fixing plate (11) through a bolt (21).

7. The pressure vessel sealing door opening and closing mechanism of claim 1, wherein: and a bearing positioning sleeve (17) is arranged on the driven gear (15), and the bearing positioning sleeve (17) is fixedly connected with the driven gear (15) through a bearing positioning sleeve screw (19).

8. The pressure vessel sealing door opening and closing mechanism of claim 1, wherein: the gear ring (14) is fixedly connected with the fixing plate (11) through a gear ring fixing screw (13).