CN210566473U

CN210566473U - Rectangular non-return door

Info

Publication number: CN210566473U
Application number: CN201921067225.3U
Authority: CN
Inventors: 王辉; 陈国华
Original assignee: Yangzhong City Hongyun Machinery Manufacturing Co Ltd
Current assignee: Yangzhong City Hongyun Machinery Manufacturing Co Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-05-19
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a rectangle non return door relates to non return door field, this rectangle non return door, including a door body, the quantity of the door body is two, two the opposite face of the door body is connected as an organic whole, and two door body positions in same vertical face, two the front and the back of the door body are equallyd divide do not with the opposite face welding of two anti-flanges, the top and the bottom of door internal wall all with the surperficial swing joint of drive shaft, the quantity of drive shaft is four, two the quantity that the door body corresponds the drive shaft is two, the top and the bottom of the door body are run through respectively at the both ends of drive shaft, the top of drive shaft is passed through link mechanism and is connected with the piston rod transmission who drives actuating cylinder. The utility model discloses a set up door seat, worker shape door plant, side door board, sealing strip and drive shaft, solved current non return door and used the door seat for an integral gate valve, wind resistance is great when closing, influences the problem that the non return door was closed.

Description

Rectangular non-return door

Technical Field

The utility model relates to a non return door technical field specifically is a rectangle non return door.

Background

The check door is a valve, plays isolated effect, installs usually on the pipeline for isolated flue gas, and the check door includes door frame body, driving system and door seat, realizes the circulation and the sealing of pipeline through the switch of door seat, and the operating temperature of check door is generally less than 350 degrees centigrade, and the sealing standard of check door is that the windage resistance coefficient is less than or equal to 0.1 when opening entirely, and the leakage rate is 0 when closing entirely.

Check door includes rotation type check door and over-and-under type check door, and to rotation type check door, current check door is a whole gate valve with the gate seat, and wind resistance is great when closing, influences the closing of check door, and in order to reduce the resistance that the check door received when closing, improves the efficiency of closing of check door, we provide a rectangle check door.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a rectangle non return door has solved current non return door and has used the gate seat to be an integral gate valve, and wind resistance is great when closing, influences the problem that the non return door was closed.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a rectangular check door comprises two door bodies, wherein the number of the door bodies is two, the opposite surfaces of the two door bodies are integrally connected, the two door bodies are positioned on the same vertical surface, the front surface and the back surface of the two door bodies are uniformly welded with the opposite surfaces of two opposite flanges, the top and the bottom of the inner wall of the door body are movably connected with the surface of a driving shaft, the number of the driving shaft is four, the number of the two door bodies corresponding to the driving shaft is two, the two ends of the driving shaft respectively penetrate through the top and the bottom of the door body, the top of the driving shaft is in transmission connection with a piston rod of a driving cylinder through a connecting rod mechanism, an output shaft sealing part is arranged at the top sunken position of the door body, the output shaft sealing part is movably sleeved on the surface of the driving shaft, and the positions of the top and the bottom of the door body, the output shaft sealing element is positioned right below the square seat bearing, and the square seat bearing and the lower bearing are fixedly sleeved on the surface of the driving shaft.

The fixed cover in surface of drive shaft has connect the door holder, the vertical axis setting of the skew door holder of drive shaft, door holder swing joint is in the inside of the door body, and the quantity that two door bodies correspond the door holder is two, the top and the bottom of door body inner chamber respectively with the top and the bottom body coupling of worker's shape door plant, the vertical bisector position department that sets up at the door body of worker's shape door plant, the both sides of door body inner chamber all are provided with the side door board, the side door board is connected as an organic whole with the door body, worker's shape door plant and side door board are located the front and the back of door holder respectively, the front and the back of door holder all are provided with the sealing strip, worker's shape door plant and side door board all bond with.

Preferably, one end of the connecting rod mechanism is fixedly sleeved at the top of the driving shaft, the other end of the connecting rod mechanism is fixedly connected with a piston rod of the driving cylinder, and the middle part of the connecting rod mechanism is movably connected through a movable shaft.

Preferably, the shaft outlet sealing element comprises a connecting port and a sealing port, the connecting port and the door body are of an integral structure, the sealing port is inserted into the top of the connecting port, the connecting port is fixedly connected with the sealing port through a flange structure, the connecting port and the sealing port are movably sleeved on the surface of the driving shaft, and sealing material is filled around the driving shaft between the connecting port and the sealing port.

Preferably, all four of the drive shafts are located in the same vertical plane.

Preferably, the driving cylinder is vertically arranged on the back of the door body, and the driving cylinder and the door body are respectively arranged at the top of the pipeline and in the middle of the pipeline.

(III) advantageous effects

The utility model provides a rectangle non-return door possesses following beneficial effect:

the utility model has the advantages that the door seats, the I-shaped door plates, the side door plates, the sealing strips and the driving shafts are arranged, the two door bodies are arranged, the four door seats arranged in the two door bodies are all independently controlled by the power system, the whole door seat is replaced by the four split door seats, the contact area between each door seat and wind power is reduced, the wind resistance borne by each door seat can be reduced, through the eccentric shaft design of the driving shaft, when the door seats are closed, the fan stops rotating, the medium is reversed, the pressure acts on the door seats, the pressure of one side door seat with large area is larger than the pressure of one side with small area, the door plates are tightly attached to the sealing strips, the sealing effect is increased, the purposes of reducing the resistance when the door is closed through the rectangular check door, the closing efficiency of the check door is improved, the sealing purpose is improved, the problem that the existing check door is an integral door valve, the problem of influencing the closing of the check valve.

Drawings

FIG. 1 is a front view of the door body of the present invention;

fig. 2 is a left side view of the present invention;

FIG. 3 is a schematic structural view of the position of the shaft sealing member of the present invention;

FIG. 4 is a top cross-sectional view of the door body of the present invention;

fig. 5 is a left side view of the driving cylinder according to the present invention.

In the figure: 1. a door body; 2. a counter flange; 3. a drive shaft; 4. a link mechanism; 5. a driving cylinder; 6. an output shaft seal; 601. a connection port; 602. sealing the port; 7. a square bearing; 8. a lower bearing; 9. a door seat; 10. an I-shaped door panel; 11. a side door panel; 12. a sealing strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a technical solution: a rectangular check door comprises door bodies 1, the number of the door bodies 1 is two, the opposite surfaces of the two door bodies 1 are integrally connected, the two door bodies 1 are positioned on the same vertical surface, the front surfaces and the back surfaces of the two door bodies 1 are respectively welded with the opposite surfaces of two inverse flanges 2, the middle part of a pipeline is provided with a flange connected with the inverse flanges 2, the door bodies 1 are installed in the middle part of the pipeline, the flow direction of a medium is that the medium flows from the front surface to the back surface of the door bodies 1 through a fan, the top and the bottom of the inner wall of the door body 1 are movably connected with the surface of a driving shaft 3, the number of the driving shaft 3 is four, the number of the two door bodies 1 corresponding to the driving shaft 3 is two, the two ends of the driving shaft 3 respectively penetrate through the top and the bottom of the door bodies 1, the top of the driving shaft 3 is in transmission connection with, go out the surface of axle sealing member 6 activity cup joint at drive shaft 3, the position department that door body 1 top and bottom correspond drive shaft 3 is fixedly connected with square seat bearing 7 and below bearing 8 respectively, go out axle sealing member 6 and be located square seat bearing 7 under, square seat bearing 7 and below bearing 8 are all fixed cup joints the surface at drive shaft 3, because drive shaft 3 top runs through square seat bearing 7, consequently need go out axle sealing member 6 and seal the drive shaft 3 that runs through square seat bearing 7, because drive shaft 3 bottom need not to run through below bearing 8, below bearing 8 self has the bearing seal lid to seal.

The surface of the driving shaft 3 is fixedly sleeved with a door seat 9, the opening direction of the door seat 9 is to rotate around the axis of the driving shaft 3, the driving shaft 3 is arranged deviating from the vertical axis of the door seat 9, namely the driving shaft 3 deviates to the side close to the door panel 11, the situation that the side with large area after opening rotates along the direction of the medium flow is ensured, the side with small area rotates reversely with the medium, the resistance can be reduced, the door seat 9 is movably connected inside the door body 1, the two door bodies 1 correspond to two door seats 9, the top and the bottom of the inner cavity of the door body 1 are respectively connected with the top and the bottom of the I-shaped door panel 10, the I-shaped door panel 10 is vertically arranged at the position of the bisector of the door body 1, the two sides of the inner cavity of the door body 1 are respectively provided with the side door panels 11, the side door panels 11 are connected with the door body 1, the I-shaped door panel 10 and, the I-shaped door panel 10 and the side door panel 11 are both bonded with the sealing edge of the sealing strip 12.

As the utility model discloses a technical optimization scheme, the fixed cover of one end of link mechanism 4 connects at the top of drive shaft 3, the other end of link mechanism 4 with drive the piston rod fixed connection of actuating cylinder 5, link mechanism 4's middle part is passed through loose axle swing joint, the vertical direction setting of loose axle guarantees the one end that the piston rod promoted link mechanism 4 when ejecting, makes the link mechanism 4 other end drive shaft 3 at the axial rotation.

As a technical optimization scheme of the utility model, go out axle sealing member 6 including connection port 601 and sealed port 602, connection port 601 and the body structure of the door body 1, sealed port 602 is pegged graft at connection port 601's top, connection port 601 passes through flange structure and sealed port 602 fixed connection, connection port 601 and the equal activity of sealed port 602 cup joint on the surface of drive shaft 3, the centre of connection port 601 and sealed port 602 is around drive shaft 3 packing sealing material, sealing material is the skeleton oil blanket.

As a technical optimization scheme of the utility model, four drive shafts 3 all are located same vertical plane, and all are parallel to each other.

As the utility model discloses a technical optimization scheme drives actuating cylinder 5 and sets up at the 1 back of the door body perpendicularly, drives actuating cylinder 5 and the door body 1 and sets up respectively at the top and the pipeline middle part of pipeline, drives actuating cylinder 5 and is driving power system.

When the rectangular non-return door is used, the rectangular non-return door can be arranged on a pipeline arranged in any form, the door seats 9 are opened by ninety degrees in four pieces, the flow direction of a medium needs to be ensured to be positioned on the front surface of the door body 1 along the N direction before installation, the medium needs to enter the pipeline for inspection after installation, welding bar sundries in a shutoff device are cleared away, the air tightness is inspected, when four groups of driving cylinders 5 are started, piston rods of the driving cylinders 5 are ejected out to drive the driving shaft 3 to rotate by ninety degrees around the axis of the driving cylinders through the connecting rod mechanism 4, the four door seats 9 are rotatably opened around the driving shaft 3, the opening directions of the four door seats 9 are sequentially anticlockwise, clockwise, anticlockwise and clockwise from the top view, the sealing bars 12 on the surfaces of the door seats 9 are separated from the side door plate 11 and the H-shaped door plate 10, the fully opened state is realized, when the four groups of driving cylinders 5 are closed, the door seat 9 is rotated and closed along the direction opposite to the opening direction, and the sealing strip 12 on the surface of the door seat 9 is tightly pressed with the side door plate 11 and the I-shaped door plate 10, so that the full-closed state is realized.

To sum up can, the utility model discloses a set up door seat 9, worker shape door plant 10, side door board 11, sealing strip 12 and drive shaft 3, solved current check door and used door seat 9 for an integral gate valve, wind resistance is great when closing, influences the problem that the check door was closed.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rectangle non-return door, includes a body (1), the quantity of the body (1) is two, two the opposite face of the body (1) is connection as an organic whole, and two bodies (1) are located same vertical face, its characterized in that: two the front and the back of the door body (1) are equally divided into two opposite face welding with two inverse flanges (2), the top and the bottom of the inner wall of the door body (1) are movably connected with the surface of the driving shaft (3), the number of the driving shaft (3) is four, two the number of the door body (1) corresponding to the driving shaft (3) is two, the two ends of the driving shaft (3) respectively penetrate through the top and the bottom of the door body (1), the top of the driving shaft (3) is connected with the piston rod of the driving cylinder (5) through the connecting rod mechanism (4), the top sunken position of the door body (1) is provided with an output shaft sealing part (6), the output shaft sealing part (6) is movably sleeved on the surface of the driving shaft (3), the positions of the top and the bottom of the door body (1) corresponding to the driving shaft (3) are respectively and fixedly connected with a square seat bearing (7) and a lower bearing (, the output shaft sealing element (6) is positioned right below the square seat bearing (7), and the square seat bearing (7) and the lower bearing (8) are fixedly sleeved on the surface of the driving shaft (3);

the surface of the driving shaft (3) is fixedly sleeved with a door seat (9), the driving shaft (3) deviates from the vertical axis of the door seat (9), the door seat (9) is movably connected inside the door body (1), the number of the two door bodies (1) corresponding to the door seats (9) is two, the top and the bottom of the inner cavity of each door body (1) are respectively and integrally connected with the top and the bottom of the I-shaped door panel (10), the I-shaped door panel (10) is vertically arranged at the position of the bisector of the door body (1), side door plates (11) are arranged on two sides of the inner cavity of the door body (1), the side door plates (11) are integrally connected with the door body (1), the I-shaped door panel (10) and the side door panel (11) are respectively positioned on the front side and the back side of the door seat (9), the front and the back of the door seat (9) are provided with sealing strips (12), and the I-shaped door plate (10) and the side door plate (11) are bonded with the sealing edges of the sealing strips (12).

2. The rectangular check door of claim 1, wherein: one end of the connecting rod mechanism (4) is fixedly sleeved at the top of the driving shaft (3), the other end of the connecting rod mechanism (4) is fixedly connected with a piston rod of the driving cylinder (5), and the middle part of the connecting rod mechanism (4) is movably connected through a movable shaft.

3. The rectangular check door of claim 1, wherein: the shaft outlet sealing element (6) comprises a connecting port (601) and a sealing port (602), the connecting port (601) and the door body (1) are of an integral structure, the sealing port (602) is inserted into the top of the connecting port (601), the connecting port (601) is fixedly connected with the sealing port (602) through a flange structure, the connecting port (601) and the sealing port (602) are movably sleeved on the surface of the driving shaft (3), and sealing materials are filled around the driving shaft (3) in the middles of the connecting port (601) and the sealing port (602).

4. The rectangular check door of claim 1, wherein: the four driving shafts (3) are all located in the same vertical plane.

5. The rectangular check door of claim 1, wherein: the driving air cylinder (5) is vertically arranged on the back of the door body (1), and the driving air cylinder (5) and the door body (1) are respectively arranged at the top of the pipeline and the middle of the pipeline.