Flip type automatic feeding port structure of pressure container

Abstract

The utility model discloses a flip type automatic feeding port structure of a pressure vessel, a top port of a feeding pipe is provided with a cover plate, the outer side of the top port of the feeding pipe is coaxially and rotatably provided with a locking ring, the cover plate and the feeding pipe are in swing connection through a swing seat A and a swing seat B, and the outer side wall of the feeding pipe is provided with an opening and closing driving piston on one side of the swing seat A; a piston rod A of the opening and closing driving piston is in swing connection with a driving rod of the swing seat B. A locking ring driving piston is arranged on the side, back to the swing seat A, of the outer side wall of the feeding pipe and is in swing connection with the swing seat C. The end of a piston rod B of the locking ring driving piston is in swing connection with the swing seat D. And a plurality of locking ring centering devices are coaxially and uniformly distributed at the upper part of the side wall of the feeding pipe. According to the structure, the flip type automatic feeding opening structure of the pressure container effectively reduces the stroke of the piston rod A, facilitates rapid opening and closing of the cover plate, increases the opening angle of the cover plate, and can save the activity space required by a feeding opening of a normal pressure container.

Description

Technical Field

[0001] The utility model relates to the technical field of a container feeding port structure, in particular to a flip-cover automatic feeding port structure of a pressure container. Background Art

[0002] With the development of food processing, more and more food processing has been automated. In order to adapt to the production process of automation and intelligence, the original food processing equipment needs to be improved.

[0003] Cooking containers, frying containers, and mixing containers are often used in the food processing industry. These types of containers have now been automated in the production and processing process. However, the feeding of these containers still requires manual assistance or even manual operation. For example, the feeding port needs to be opened manually, and then the feeding device can automatically feed or directly feed manually. After the feeding is completed, the feeding port is manually closed. The reason is that the opening and closing operations of the feeding port must be relatively fast to match the rhythm of the feeding device. If the opening and closing of the cover is relatively slow, and the efficiency is equivalent to that of manual opening and closing, the manufacturer has no motivation to make modifications. In addition, the existing automatic opening and closing device for the feeding port, due to the structural reasons of the opening and closing device, and the opening and closing device driving the feeding port to open and close, occupies a large space around the feeding port, thereby affecting the setting of the automatic feeding device and the connection with the feeding port. Due to the above reasons, the feeding cannot be automated at present.

[0004] The feed port structure of an atmospheric pressure vessel is different from that of a pressure vessel. The applicant's technicians have improved the pressure vessel feed port structure to achieve automation. Furthermore, the applicant also submitted another improved structure for the feed port of an atmospheric pressure vessel on the same day. Utility Model Content

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a flip-top automatic feeding port structure for a pressure vessel, wherein an opening and closing driving piston is arranged on one side of a feeding pipe, and the end of a piston rod A of the opening and closing driving piston is connected to a driving rod arranged on the top of a cover plate on one side of a swing axis, the stroke of the piston rod A can be effectively reduced under the same swing stroke of the cover plate, which not only facilitates the rapid opening and closing of the cover plate and increases the opening angle of the cover plate, but also enables the opening and closing driving piston to be within the range of the feeding pipe and the piston rod A to always be within the opening and closing swing range of the cover plate, thereby saving the activity space required for the feeding port of the atmospheric pressure container.

[0006] The technical solution adopted by this utility model is:

[0007] The flip-top automatic feeding port structure of a pressure vessel includes a feeding pipe of the pressure vessel, the top of the feeding pipe is provided with an openable and closable cover plate, the outer side of the top of the feeding pipe is coaxially connected to a lock ring for locking and fixing the cover plate and the feeding pipe, a swing seat A is fixed to the upper part of the outer wall of the feeding pipe, a matching swing seat B is provided on the top of the cover plate corresponding to the side of the swing seat A, the cover plate and the feeding pipe are swiveled and connected through the swing seat A and the swing seat B, the outer wall of the feeding pipe is located on the side of the swing seat A with an opening and closing driving piston of the cover plate, and the opening and closing driving piston The end of the piston rod A is swingably connected to the driving rod fixed to the swing seat B, and a lock ring driving piston is also provided on the side of the outer wall of the feeding pipe facing away from the swing seat A. The lock ring driving piston drives the lock to reciprocate around the axis of the feeding pipe, and the lock ring driving piston is swingably connected to the swing seat C fixed to the outer wall of the feeding pipe. The end of the piston rod B of the lock ring driving piston is swingably connected to the swing seat D of the lock ring. A plurality of lock ring centering devices are evenly distributed coaxially on the upper part of the side wall of the feeding pipe, and the outer wall and bottom of the lock ring are respectively rotationally connected to the lock ring centering device.

[0008] A further improvement of the present invention is that an annular flange A is fixed coaxially on the outer edge of the top opening of the feeding tube, and an annular flange B matching the annular flange A is fixed coaxially on the edge of the cover plate. The top of the outer wall of the annular flange A and the bottom of the outer wall of the annular flange B are respectively provided in pairs with a plurality of coaxially evenly distributed arc-shaped clips that match each other, and a gap is provided between two adjacent pairs of arc-shaped clips. The cross-section of the locking ring is a "C"-shaped groove with the notch facing the connection between the top opening of the feeding tube and the cover plate. The arc-shaped clip is located in the "C"-shaped groove of the locking ring, and a plurality of arc-shaped notches are evenly distributed coaxially on the inner edge of the top groove wall of the "C"-shaped groove of the locking ring. The number and shape of the arc-shaped notches match the arc-shaped clip.

[0009] A further improvement of the present invention is that an annular groove is provided coaxially with the top of the annular flange A, a sealing strip is fixed in the annular groove, the cross-section of the sealing strip is an inverted "U"-shaped structure, the top height of the sealing strip in a natural state is higher than the top surface height of the annular flange A, and a plurality of connecting holes are evenly distributed coaxially with the inner side wall of the annular flange A, and the connecting holes are all connected to the corresponding positions of the bottom of the annular groove.

[0010] A further improvement of the present utility model is that the locking ring centering device includes a vertical plate fixedly connected to the side wall of the feeding pipe through a horizontal connecting plate, the top of the vertical plate is rotatably connected to a positioning roller A that rotates around a vertical axis, the end face of the vertical plate facing the feeding pipe is rotatably connected to a positioning roller B that rotates around a horizontal axis, the positioning roller A is rollingly connected to the outer side wall of the locking ring, and the positioning roller B is rollingly connected to the bottom of the locking ring.

[0011] A further improvement of the present invention is that the horizontal connecting plate is passed through the connecting through hole provided at the bottom of the vertical plate, and an adjusting screw is fixedly provided on the outer wall of the feeding pipe corresponding to the position of the vertical plate and located above the horizontal connecting plate. The end of the adjusting screw away from the feeding pipe passes through the vertical plate and is limited by an adjusting nut, and a tightening bolt connected to the horizontal connecting plate is provided at the bottom of the vertical plate.

[0012] A further improvement scheme of the present invention is that the swing seat A is a group of "L"-shaped plates A arranged symmetrically and in parallel, and the swing seat B is a group of "L"-shaped plates B arranged symmetrically and in parallel, the ends of the transverse plates A of the "L"-shaped plates A are respectively fixed to the side walls of the feeding pipe, the vertical plates A of the "L"-shaped plates A are arranged upward, the ends of the transverse plates B of the "L"-shaped plates B are respectively fixed to the top of the cover plate, and the vertical plates B of the "L"-shaped plates B are arranged downward, the back side end faces of the vertical plates A are respectively fitted with the opposite side end faces of the vertical plates B, and the ends of the vertical plates A extend upward between the vertical plates B, and are swung through the swing shaft to form a swing connection.

[0013] A further improvement of the present invention is that the driving rod is passed through and fixed to the transverse plate B.

[0014] A further improvement of the present invention is that a convex plate is fixedly provided on the top of the cover plate corresponding to the connection between the transverse plate B and the cover plate, and the transverse plates B are respectively fixed to the convex plates.

[0015] A further improvement of the present invention is that the opening and closing driving piston is swingably connected to a connecting seat fixed to the side wall of the feeding pipe through a swing frame A.

[0016] A further improvement of the present invention is that the lock ring drives the piston to be swivellingly connected to the swaying seat C via a swaying frame B.

[0017] The beneficial effects of the present invention are:

[0018] First, the flip-top automatic feeding port structure of the pressure vessel of the present invention arranges the opening and closing driving piston on one side of the feeding pipe, and connects the end of the piston rod A of the opening and closing driving piston to the driving rod arranged on the top of the cover plate on one side of the swing axis. Under the same swing stroke of the cover plate, the stroke of the piston rod A can be effectively reduced, which not only facilitates the rapid opening and closing of the cover plate and increases the opening angle of the cover plate, but also enables the opening and closing driving piston to be within the range of the feeding pipe and the piston rod A to always be within the opening and closing swing range of the cover plate, thereby saving the activity space required for the feeding port of the atmospheric pressure container.

[0019] Second, the flip-top automatic feeding port structure of the pressure vessel of the present invention facilitates the locking ring to close and fix the cover plate and the top opening of the feeding pipe through the annular flange A provided on the top opening of the feeding pipe and the annular flange B provided on the cover plate, and also facilitates the sealing strip to isolate the feeding port from the outside air.

[0020] Third, the flip-top automatic feeding port structure of the pressure vessel of the present invention ensures that the sealing strip of the pressure vessel will not be deformed due to internal pressure through the structure of the communicating hole and the sealing strip structure in the annular groove, thereby avoiding the pressure loss of the pressure vessel.

[0021] Fourth, the flip-top automatic feeding port structure of the pressure vessel of the present invention can ensure that the locking ring and the feeding pipe are coaxial through the action of the roller A of the locking ring centering device, thereby ensuring that the arc-shaped clip of the annular flange B of the cover plate can smoothly enter and exit the "C"-shaped groove of the locking ring.

[0022] Fifth, the flip-type automatic feeding port structure of the pressure vessel of the present invention can prevent the lock ring from being deformed through the action of the roller B of the lock ring centering device, thereby extending the service life of the lock ring and further ensuring that the cover plate can smoothly leave or enter the "C"-shaped groove of the lock ring.

[0023] Sixth, the flip-top automatic feeding port structure of the pressure vessel of the present invention facilitates radial position adjustment of the locking ring centering device through the action of the adjusting screw and adjusting nut, thereby offsetting the processing errors of different locking rings, and is fixed by tightening bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic main view of the present application showing a partial cross-section of the lock ring drive piston.

[0025] Figure 2 This is a top view schematic diagram of this application.

[0026] Figure 3 It is an enlarged schematic diagram of the main cross-section corresponding to the locking ring centering device. DETAILED DESCRIPTION

[0027] Combine Figures 1 to 3It can be seen that the flip-top automatic feeding port structure of the pressure vessel includes a feeding pipe 1 of the pressure vessel, the top of the feeding pipe 1 is provided with a cover plate 2 that can be opened and closed, the outer side of the top of the feeding pipe 1 is coaxially connected with a lock ring 3 for locking and fixing the cover plate 2 and the feeding pipe 1, a swing seat A4 is fixed to the upper part of the outer wall of the feeding pipe 1, and a matching swing seat B5 is provided on the top of the cover plate 2 corresponding to the side of the swing seat A4, the cover plate 2 and the feeding pipe 1 are swung and connected through the swing seat A4 and the swing seat B5, the outer wall of the feeding pipe 1 is provided with an opening and closing driving piston 6 of the cover plate 2 on the side of the swing seat A4, and the opening and closing driving piston 6 is provided on the outer wall of the feeding pipe 1. The piston rod A end of the plug 6 is swingably connected to the driving rod 11 fixed to the swing seat B5, and a lock ring driving piston 7 is also provided on the side of the outer wall of the feeding pipe 1 facing away from the swing seat A4. The lock ring driving piston 7 drives the lock ring 3 to rotate back and forth around the axis of the feeding pipe 1, and the lock ring driving piston 7 is swingably connected to the swing seat C9 fixed to the outer wall of the feeding pipe 1. The piston rod B end of the lock ring driving piston 7 is swingably connected to the swing seat D10 of the lock ring 3. A plurality of lock ring centering devices 8 are evenly distributed coaxially on the upper part of the side wall of the feeding pipe 1, and the outer wall and bottom of the lock ring 3 are rotationally connected to the lock ring centering device 8 respectively.

[0028] An annular flange A16 is coaxially fixed to the outer edge of the top opening of the feeding pipe 1, and an annular flange B17 matching the annular flange A16 is coaxially fixed to the edge of the cover plate 2. The top of the outer wall of the annular flange A16 and the bottom of the outer wall of the annular flange B17 are respectively provided in pairs with multiple coaxially evenly distributed and mutually matching arc-shaped clips 18, and there is a gap between two adjacent pairs of arc-shaped clips 18. The cross-section of the locking ring 3 is a "C"-shaped groove with the notch facing the connection between the top opening of the feeding pipe 1 and the cover plate 2. The arc-shaped clip 18 is located in the "C"-shaped groove of the locking ring 3, and the inner edge of the top groove wall of the "C"-shaped groove of the locking ring 3 is coaxially evenly distributed with multiple arc-shaped notches, and the number and shape of the arc-shaped notches match the arc-shaped clip 18.

[0029] An annular groove 23 is coaxially provided at the top of the annular flange A16, and a sealing strip 24 is fixed in the annular groove 23. The cross-section of the sealing strip 24 is an inverted "U"-shaped structure. The top height of the sealing strip 24 in the natural state is higher than the top surface height of the annular flange A16. A plurality of connecting holes 25 are evenly distributed coaxially on the inner side wall of the annular flange A16, and the connecting holes 25 are all connected to the corresponding positions of the bottom of the annular groove 23.

[0030] The locking ring centering device 8 includes a vertical plate 19 fixedly connected to the side wall of the feeding pipe 1 through a horizontal connecting plate 20, and the top of the vertical plate 19 is rotatably connected to a positioning roller A21 that rotates around a vertical axis, and the end face of the vertical plate 19 facing the feeding pipe 1 is rotatably connected to a positioning roller B22 that rotates around a horizontal axis, the positioning roller A21 is rollingly connected to the outer wall of the locking ring 3, and the positioning roller B22 is rollingly connected to the bottom of the locking ring.

[0031] The horizontal connecting plate 20 is passed through the connecting through hole provided at the bottom of the vertical plate 19. An adjusting screw 26 is fixedly provided on the outer wall of the feeding pipe 1 at a position corresponding to the vertical plate 19 and above the horizontal connecting plate 20. The end of the adjusting screw 26 away from the feeding pipe 1 passes through the vertical plate 19 and is limitedly connected by an adjusting nut 27. A tightening bolt 28 connected to the horizontal connecting plate 20 is provided at the bottom of the vertical plate 19.

[0032] The swing seat A4 is a group of "L"-shaped plates A arranged symmetrically and in parallel, and the swing seat B5 is a group of "L"-shaped plates B arranged symmetrically and in parallel. The ends of the transverse plates A of the "L"-shaped plates A are respectively fixed to the side walls of the feeding pipe 1, the vertical plates A of the "L"-shaped plates A are arranged upward, the ends of the transverse plates B of the "L"-shaped plates B are respectively fixed to the top of the cover plate 2, and the vertical plates B of the "L"-shaped plates B are arranged downward. The back side end faces of the vertical plates A are respectively fitted with the opposite side end faces of the vertical plates B, and the ends of the vertical plates A extend upward between the vertical plates B and are swung through the swing shaft to form a swing connection.

[0033] The driving rod 11 is passed through and fixed to the transverse plate B.

[0034] A convex plate 12 is fixedly provided on the top of the cover plate 2 corresponding to the connection between the transverse plate B and the cover plate 2 , and the transverse plates B are fixed to the convex plates 12 respectively.

[0035] The opening and closing driving piston 6 is swingably connected to the connecting seat 13 fixed to the side wall of the feeding pipe 1 through the swing frame A14.

[0036] The lock ring driving piston 7 is swivellingly connected to the swivel seat C9 via the swivel frame B15.

[0037] When the piston rod A extends the opening and closing driving piston 6 to the maximum stroke, the angle between the cover plate 2 and the plane where the top opening of the feeding pipe 1 is located is a right angle or an obtuse angle.

[0038] The process of using the flip-type automatic feeding port structure of the pressure vessel is as follows:

[0039] When the feeding pipe of the pressure vessel needs to be fed, the locking ring drives the piston 7 to drive the piston rod B to move to the maximum stroke, driving the locking ring 3 to rotate to one side around the axis to the maximum angle. At this time, the position of the arc-shaped notch on the top groove wall of the "C"-shaped groove of the locking ring 3 corresponds exactly to the position of the arc-shaped clip 18 of the annular flange B17; then the piston rod A extends the opening and closing driving piston 6 to the maximum stroke. At this time, the driving rod 11 drives the cover plate 2 to swing around the swing axis until the opening between the cover plate 2 and the top opening of the feeding pipe 1 is maximum.

[0040] When the feeding of the feeding pipe of the pressure vessel is completed, the piston rod A retracts the opening and closing driving piston 6 to the maximum stroke. At this time, the driving rod 11 drives the cover plate 2 to swing around the swing axis until the cover plate 2 and the top opening of the feeding pipe 1 are closed, and the arc-shaped clip 18 of the annular flange B17 is just located at the arc-shaped notch position of the top groove wall of the "C"-shaped groove corresponding to the "C"-shaped groove; then the locking ring driving piston 7 drives the piston rod B to move in the opposite direction to the maximum stroke, driving the locking ring 3 to rotate in the opposite direction to the other side around the axis to the maximum angle. At this time, the top groove wall of the "C"-shaped groove of the locking ring 3 clamps the arc-shaped clip 18 of the annular flange B17 and the arc-shaped clip 18 of the annular flange A16, and then clamps and seals the annular flange B17 and the annular flange A16 of the cover plate 2, finally achieving a sealed fixation of the cover plate 2 and the top opening of the feeding pipe 1.

[0041] Due to the sealing effect of the sealing strip 24 within the annular groove 23 formed on the top surface of the annular flange A16, the air within the atmospheric pressure container is isolated from the outside. Since the pressure generated within the pressure container during use is greater than the external air pressure, the inverted "U"-shaped structure of the sealing strip 24 and the connecting hole 25 ensure that the pressure within the pressure container is equal to the pressure on the outer wall end face of the sealing strip 24 facing the feeding pipe 1 and the pressure within the inverted "U"-shaped structure of the sealing strip 24 facing the bottom of the annular groove 23, and greater than the pressure on the outer wall end face of the sealing strip 24 facing away from the feeding pipe 1. This prevents the sealing strip 24 from further bending downward under the pressure within the pressure container, which would cause the top of the sealing strip 24 to separate from the bottom surface of the annular flange B17, thereby preventing the seal between the annular flange A16 and the annular flange B17 from failing, and ultimately preventing the pressure container from losing pressure due to communication with the outside atmosphere through the annular flange A16 and the annular flange B17.

[0042] Since the lock ring 3 is driven to rotate by the lock ring driving piston 7 through driving the piston rod B, the lock ring 3 will produce horizontal radial deviation due to the unilateral force applied by the lock ring driving piston 7 to the lock ring 3 during the rotation process, resulting in a decrease in the coaxiality of the lock ring 3 and the feeding pipe 1. This will affect the cover plate 2 and the top opening of the feeding pipe 1 when opening or closing, and it will not be able to smoothly leave the "C"-shaped groove of the lock ring 3 or smoothly enter the "C"-shaped groove of the lock ring 3. The roller A21 of the locking ring centering device 9 can keep the locking ring 3 always coaxial with the feeding pipe 1; in addition, because the pressure in the pressure vessel is greater than the external atmospheric pressure, the pressure in the pressure vessel will cause the cover plate 2 to have a tendency to move upward under the action of the pressure in the pressure vessel, which will cause the edge of the cover plate 2 to have a long-term upward stress on the top groove wall of the "C"-shaped groove of the locking ring 3 when the locking ring 3 is locked, and then the top of the locking ring 3 will tend to rotate upward away from the axis while the bottom will tend to rotate downward toward the axis. After a long time, the locking ring 3 will be deformed, which will affect the operation of the cover plate 2 separating or entering the locking ring 3; the roller B22 of the locking ring centering device 9 can effectively support the locking ring 3, overcome the tendency of the bottom of the locking ring to rotate downward toward the axis, avoid deformation of the locking ring 3, extend the service life of the locking ring 3, and further ensure that the cover plate 2 can smoothly leave or enter the "C"-shaped groove of the locking ring 3.

Claims

1. The flip-top automatic feeding port structure of the pressure vessel is characterized by: A feeding pipe (1) of a pressure vessel is provided, wherein the top opening of the feeding pipe (1) is provided with an openable and closable cover plate (2), the outer side of the top opening of the feeding pipe (1) is coaxially rotatably connected with a lock ring (3) for locking and fixing the cover plate (2) and the feeding pipe (1), a swing seat A (4) is fixed to the upper part of the outer wall of the feeding pipe (1), a matching swing seat B (5) is provided on the top of the cover plate (2) corresponding to the side of the swing seat A (4), the cover plate (2) and the feeding pipe (1) are swingably connected via the swing seat A (4) and the swing seat B (5), the outer wall of the feeding pipe (1) is provided with an opening and closing driving piston (6) of the cover plate (2) on the side of the swing seat A (4), and the piston rod A of the opening and closing driving piston (6) is provided. The end is swingably connected to the driving rod (11) fixed to the swing seat B (5), and a lock ring driving piston (7) is further provided on the side of the outer wall of the feeding pipe (1) facing away from the swing seat A (4). The lock ring driving piston (7) drives the lock ring (3) to reciprocate around the axis of the feeding pipe (1). The lock ring driving piston (7) is swingably connected to the swing seat C (9) fixed to the outer wall of the feeding pipe (1), and the piston rod B end of the lock ring driving piston (7) is swingably connected to the swing seat D (10) of the lock ring (3). A plurality of lock ring centering devices (8) are evenly distributed coaxially on the upper part of the side wall of the feeding pipe (1), and the outer wall and bottom of the lock ring (3) are respectively rotationally connected to the lock ring centering device (8).

2. The flip-top automatic feeding port structure for a pressure vessel according to claim 1, characterized in that: An annular flange A (16) is fixed coaxially to the outer edge of the top opening of the feeding tube (1), and an annular flange B (17) matching the annular flange A (16) is fixed coaxially to the edge of the cover plate (2). The top of the outer wall of the annular flange A (16) and the bottom of the outer wall of the annular flange B (17) are respectively provided in pairs with a plurality of coaxially evenly distributed arc-shaped clamping strips (18) that match each other, and a gap is provided between two adjacent pairs of arc-shaped clamping strips (18). The cross section of the locking ring (3) is a "C"-shaped groove with the notch facing the connection between the top opening of the feeding tube (1) and the cover plate (2). The arc-shaped clamping strip (18) is located in the "C"-shaped groove of the locking ring (3). The inner edge of the top groove wall of the "C"-shaped groove of the locking ring (3) is evenly distributed coaxially with a plurality of arc-shaped notches, and the number and shape of the arc-shaped notches match the arc-shaped clamping strip (18).

3. The flip-top automatic feeding port structure for a pressure vessel according to claim 2, characterized in that: An annular groove (23) is coaxially provided on the top of the annular flange A (16), a sealing strip (24) is fixed in the annular groove (23), the cross section of the sealing strip (24) is an inverted "U"-shaped structure, the top height of the sealing strip (24) in a natural state is higher than the top surface height of the annular flange A (16), and a plurality of communicating holes (25) are evenly distributed coaxially on the inner side wall of the annular flange A (16), and the communicating holes (25) are all connected to the corresponding positions of the bottom of the annular groove (23).

4. The flip-top automatic feeding port structure for a pressure vessel according to claim 1, characterized in that: The locking ring centering device (8) includes a vertical plate (19) fixedly connected to the side wall of the feeding pipe (1) through a horizontal connecting plate (20), the top of the vertical plate (19) is rotatably connected to a positioning roller A (21) that rotates around a vertical axis, the end surface of the vertical plate (19) facing the feeding pipe (1) is rotatably connected to a positioning roller B (22) that rotates around a horizontal axis, the positioning roller A (21) is rollingly connected to the outer side wall of the locking ring (3), and the positioning roller B (22) is rollingly connected to the bottom of the locking ring.

5. The flip-top automatic feeding port structure for a pressure vessel according to claim 4, characterized in that: The horizontal connecting plate (20) is passed through a connecting through hole provided at the bottom of the vertical plate (19); an adjusting screw (26) is fixedly provided on the outer wall of the feeding pipe (1) at a position corresponding to the vertical plate (19) and located above the horizontal connecting plate (20); the end of the adjusting screw (26) away from the feeding pipe (1) passes through the vertical plate (19) and is limitedly connected by an adjusting nut (27); a tightening bolt (28) connected to the horizontal connecting plate (20) is provided at the bottom of the vertical plate (19).

6. The flip-top automatic feeding port structure for a pressure vessel according to claim 1, characterized in that: The swing seat A (4) is a group of "L"-shaped plates A arranged symmetrically and in parallel, and the swing seat B (5) is a group of "L"-shaped plates B arranged symmetrically and in parallel, the ends of the transverse plates A of the "L"-shaped plates A are respectively fixed to the side walls of the feeding pipe (1), the vertical plates A of the "L"-shaped plates A are arranged upward, the ends of the transverse plates B of the "L"-shaped plates B are respectively fixed to the top of the cover plate (2), and the vertical plates B of the "L"-shaped plates B are arranged downward, the back side end faces of the vertical plates A are respectively fitted with the opposite side end faces of the vertical plates B, and the ends of the vertical plates A extend upward between the vertical plates B and are swung through the swing shaft to form a swing connection.

7. The flip-top automatic feeding port structure for a pressure vessel according to claim 6, characterized in that: The driving rod (11) is passed through and fixed to the transverse plate B.

8. The flip-top automatic feeding port structure for a pressure vessel according to claim 6, characterized in that: A convex plate (12) is fixedly provided on the top of the cover plate (2) corresponding to the connection between the transverse plate B and the cover plate (2), and the transverse plates B are respectively fixed to the convex plates (12).

9. The flip-top automatic feeding port structure for a pressure vessel according to claim 1, characterized in that: The opening and closing driving piston (6) is swingably connected to a connecting seat (13) fixed to the side wall of the feeding pipe (1) via a swing frame A (14).

10. The flip-top automatic feeding port structure for a pressure vessel according to claim 1, characterized in that: The lock ring driving piston (7) is swingably connected to the swing seat C (9) via the swing frame B (15).

Images