Double sealing stop door

Abstract

The invention belongs to the technical field of cut-off doors, specifically a double-sealed cut-off door, which includes: a door frame, a door shaft, a door panel, a slider, a fixed block and a bearing box, four first springs are fixedly connected in the grooves opened on both sides of the middle of the door frame, four second springs are fixedly connected in the grooves opened on both sides of the middle of the door frame, one side of the four second springs is fixedly connected with a fixing pin, the door shaft is fixedly installed on both sides of the door frame, one side of the two door shafts is fixedly connected to the door panel, one side of the two door panels is fixedly connected to the four fixing pins, and one end of the four first springs is fixedly connected to the slider. The double-sealed cut-off door can not only reduce the shaking of the door panel when it is blown by air and reduce the damage of the door shaft, but also can achieve a double sealing effect by sealing the front and back together, so that the sealing effect is better.

Description

Technical Field

[0001] The invention relates to the technical field of stop doors, in particular to a double-sealed stop door. Background Art

[0002] The stop gate is a type of valve. The advantages of the gate valve are small flow resistance, small opening and closing force, and the medium can flow forward and backward. The disadvantages are complex structure, large size, and easy wear of the seal. The advantages of the stop gate are simple structure, good sealing, and convenient manufacturing and maintenance. The disadvantages are large flow resistance and large opening and closing force. Therefore, the opening and closing of the stop gate requires a large motor to open and close the stop gate. Then, the stop gate mostly uses a travel switch to control the opening and closing of the stop gate. However, the existing stop gates are often easy to shake when blown by air, which is easy to cause damage to the door shaft, and are often one-way seals with poor sealing effects. Summary of the invention

[0003] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0004] In view of the above problems and / or the problems existing in the existing double-seal stop door, the present invention is proposed.

[0005] Therefore, the purpose of the present invention is to provide a double-sealed stop door, which can not only reduce the shaking of the door panel when it is blown by air and reduce the damage to the door shaft, but also can seal together at the front and back to achieve a double sealing effect, with a better sealing effect.

[0006] To solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0007] A double-seal stop door, comprising: a door frame, a door shaft, a door panel, a slider, a fixed block and a bearing box, wherein four first springs are fixedly connected to the grooves opened on both sides in the middle of the door frame, respectively, and four second springs are fixedly connected to the grooves opened on both sides in the middle of the door frame, respectively, and one side of the four second springs is fixedly connected to a fixing pin, the door shafts are fixedly installed on both sides of the door frame, one side of the two door shafts are fixedly connected to the door panels, one side of the two door panels are fixedly connected to the four fixing pins, one end of the four first springs are fixedly connected to the slider, the four sliders are movably connected to the door frame, and the four sliders are fixedly connected to the door frame. One side of the block is fixedly connected with a connecting block, four connecting blocks are fixedly installed with spring shafts, four spring shafts are fixedly connected with fixing rods, one side of the four connecting blocks is fixedly installed with a limiting block, four fixed blocks are fixedly installed on both sides of the middle of the door frame, third springs are fixedly installed in the grooves opened in the four fixed blocks, one side of the four third springs is fixedly connected with a connecting rod, the bearing boxes are fixedly installed on both sides of the bottom end of the door frame, the first bearing and the second bearing are fixedly installed in the two bearing boxes, and the bottom ends of the two door shafts are fixedly connected to the first bearing and the second bearing.

[0008] As a preferred solution of the double-sealed stop door described in the present invention, wherein: seat bearings are fixedly installed on both sides of the top of the door frame, and the two seat bearings are respectively fixedly connected to the two door shafts.

[0009] As a preferred solution of the double-sealed stop door described in the present invention, the top and bottom ends of the two door shafts are fixedly installed with stuffing boxes, the insides of the four stuffing boxes are provided with stuffing layers, and one side of the four stuffing boxes is fixedly installed with a sealing plate.

[0010] As a preferred solution of the double-sealed stop door described in the present invention, wherein: reinforcing rods are fixedly installed on the two door panels, and four sealing sheets are fixedly installed on the top and bottom ends of the two door panels respectively.

[0011] As a preferred solution of the double-sealed stop door described in the present invention, wherein: latches are fixedly installed at the bottom ends of the two bearing boxes, and the two latches are respectively fixedly connected to the two door shafts.

[0012] As a preferred solution of the double-sealed stop door described in the present invention, bearing cover plates are fixedly installed on the top ends of the two bearing boxes, and the two bearing cover plates are respectively located above the two first bearings.

[0013] As a preferred solution of the double-sealed stop door described in the present invention, electric push rods are fixedly installed on both sides of the top end and the bottom end of the door frame, one end of the four electric push rods is fixedly connected with a snap pin, and the four snap pins are respectively fixedly connected to the two door panels.

[0014] As a preferred solution of the double-sealed stop door of the present invention, both door panels are subjected to shot blasting and rust removal treatment.

[0015] Compared with the prior art: the first spring pushes the slider, the slider pushes the spring shaft, the spring shaft pushes the fixing rod close to the inside, the fixing rod is fitted on the door panel, the third spring pushes the connecting rod, the connecting rod is fitted on the door panel, thereby reducing the shaking of the door panel and enhancing the sealing performance of the door panel, the second spring pushes the fixing pin to be inserted into the door panel, further preventing the door panel from shaking, when the door panel needs to be opened, the door panel is pulled, the door panel rotates on the door shaft, the first bearing and the second bearing enable the door panel to rotate smoothly, and when the door panel is opened, the fixing rod is pushed to move outward, the limit block enables the fixing rod to drive the connecting block to move, the first spring contracts, so that the door panel can be pushed out, and when the door panel is closed, the door panel pushes the fixing rod to rotate along the spring shaft, so that the door panel can be reset. The double-sealed stop door can not only reduce the shaking of the door panel when it is blown by air and reduce the damage of the door shaft, but also can seal together front and back to achieve a double sealing effect, and the sealing effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below in combination with the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0017] Figure 1 It is a front view of the present invention;

[0018] Figure 2 is a cross-sectional view of the present invention;

[0019] Figure 3 A cross-sectional view of the present invention from above;

[0020] Figure 4 For the present invention Figure 2 Enlarged view of point A in the middle.

[0021] In the figure: 100 door frame, 110 first spring, 120 second spring, 130 fixing pin, 200 door shaft, 210 bearing seat, 220 stuffing box, 230 stuffing layer, 240 sealing plate, 300 door panel, 310 reinforcing rod, 320 sealing sheet, 400 slider, 410 connecting block, 420 spring shaft, 430 fixing rod, 440 limiting block, 500 fixing block, 510 third spring, 520 connecting rod, 600 bearing box, 610 first bearing, 620 second bearing, 630 latch, 640 bearing cover plate, 700 electric push rod, 710 buckle pin. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional space dimensions of length, width and depth should be included.

[0025] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] The present invention provides a double-sealed stop door, which can not only reduce the shaking of the door panel 300 when blown by air and reduce the damage of the door shaft 200, but also can seal the front and back together to achieve a double sealing effect, with a better sealing effect. Figure 1 , Figure 2 , Figure 3 and Figure 4 , including: a door frame 100, a door shaft 200, a door panel 300, a slider 400, a fixing block 500 and a bearing box 600;

[0027] Please refer again Figure 1 , Figure 2 and Figure 3, four first springs 110 are respectively fixedly connected in the grooves opened on both sides of the middle of the door frame 100, four second springs 120 are respectively fixedly connected in the grooves opened on both sides of the middle of the door frame 100, and one side of the four second springs 120 is fixedly connected with a fixing pin 130. Specifically, four first springs 110 are respectively welded in the grooves opened on both sides of the middle of the door frame 100, four second springs 120 are respectively welded in the grooves opened on both sides of the middle of the door frame 100, and one side of the four second springs 120 is welded with a fixing pin 130. The door frame 100 is used to fix the door shaft 200 and cooperate with the door panel 300 to complete the closing work. The first spring 110 is used to move with the slider 400 and reset it after the slider 400 moves. The second spring 120 is used to push the fixing pin 130 and reset it after the fixing pin 130 moves. The fixing pin 130 is used to insert into the door panel 300 to fix the door panel 300 to prevent the door panel 300 from shaking;

[0028] Please refer again Figure 1 , Figure 2 , Figure 3 and Figure 4 , door shafts 200 are fixedly installed on both sides of the door frame 100. Specifically, door shafts 200 are embedded and connected on both sides of the door frame 100. The door shafts 200 are used to connect the door frame 100 and the door panel 300, and enable the door panel 300 to rotate on the door frame 100 along the door shafts 200;

[0029] Please refer again Figure 1 , Figure 2 and Figure 3 One side of the two door shafts 200 is fixedly connected to the door panels 300, and one side of the two door panels 300 is fixedly connected to four fixing pins 130. Specifically, one side of the two door shafts 200 is welded to the door panels 300, and one side of the two door panels 300 is buckled and connected to the four fixing pins 130. The door panels 300 are used to cooperate with the door frame 100 to play a closing function;

[0030] Please refer again Figure 1 and Figure 3One end of the four first springs 110 is fixedly connected to the slider 400, and the four sliders 400 are movably connected to the door frame 100. One side of the four sliders 400 is fixedly connected to a connecting block 410, and the four connecting blocks 410 are fixedly installed with a spring shaft 420. The four spring shafts 420 are fixedly connected with a fixing rod 430. One side of the four connecting blocks 410 is fixedly installed with a limiting block 440. Specifically, one end of the four first springs 110 is welded to the slider 400, and the four sliders 400 are slidably connected to the door frame 100. One side of the four sliders 400 is welded with a connecting block 410 , the four connecting blocks 410 are all embedded with spring shafts 420, the four spring shafts 420 are all snap-connected with fixing rods 430, one side of the four connecting blocks 410 is welded with limiting blocks 440, the slider 400 is used to slide with the connecting block 410, and push the connecting block 410 with the first spring 110, the connecting block 410 is used to fix the spring shaft 420, and drive the spring shaft 420 to move, the fixing rod 430 is used to cooperate with the connecting rod 520 to fix the door frame 100, reduce the shaking of the door frame 100, and enhance the sealing performance, and the limiting rod is used to limit the moving position of the fixing rod 430;

[0031] Please refer again Figure 3 , four fixing blocks 500 are respectively fixedly installed on both sides of the middle of the door frame 100, third springs 510 are fixedly installed in the grooves opened in the four fixing blocks 500, and one side of the four third springs 510 is fixedly connected with a connecting rod 520. Specifically, four fixing blocks 500 are respectively welded on both sides of the middle of the door frame 100, third springs 510 are welded in the grooves opened in the four fixing blocks 500, and one side of the four third springs 510 is welded with a connecting rod 520. The fixing blocks 500 are used to connect the door frame 100 and the third springs 510. The third springs 510 are used to push the connecting rod 520 to move. The connecting rod 520 is used to cooperate with the fixing rod 430 to fix the door frame 100 to reduce the shaking of the door frame 100;

[0032] Please refer again Figure 4 , bearing boxes 600 are fixedly installed on both sides of the bottom end of the door frame 100, and the first bearing 610 and the second bearing 620 are fixedly installed in the two bearing boxes 600, and the bottom ends of the two door shafts 200 are fixedly connected to the first bearing 610 and the second bearing 620. Specifically, the bearing boxes 600 are threadedly connected to the bottom ends of the door frame 100 by bolts, and the first bearing 610 and the second bearing 620 are embedded and connected in the two bearing boxes 600. The bottom ends of the two door shafts 200 are interference connected with the first bearing 610 and the second bearing 620. The bearing box 600 is used to accommodate and protect the first bearing 610 and the second bearing 620. The first bearing 610 and the second bearing 620 are used to make the door shaft 200 rotate more smoothly;

[0033] In specific use, the slider 400 is pushed by the first spring 110, and the slider 400 pushes the spring shaft 420, and the spring shaft 420 pushes the fixing rod 430 to approach the inside, and the fixing rod 430 is attached to the door panel 300. The connecting rod 520 is pushed by the third spring 510, and the connecting rod 520 is attached to the door panel 300, thereby reducing the shaking of the door panel 300 and enhancing the sealing performance of the door panel 300. The second spring 120 pushes the fixing pin 130 to be inserted into the door panel 300 to further prevent the door panel 300 from shaking. When the door panel 300 needs to be opened, the door panel 300 is pulled and the door panel 300 rotates on the door shaft 200. The first bearing 610 and the second bearing 620 enable the door panel 300 to rotate smoothly. When the door panel 300 is opened, it pushes the fixing rod 430 to move outward, and the limit block 440 enables the fixing rod 430 to drive the connecting block 410 to move. The first spring 110 contracts, so that the door panel 300 can be pushed out. When the door panel 300 is closed, the door panel 300 pushes the fixing rod 430 to rotate along the spring shaft 420, so that the door panel 300 can be reset.

[0034] Please refer again Figure 1 and Figure 2 , bearings 210 are fixedly installed on both sides of the top of the door frame 100, and the two bearings 210 are fixedly connected to the two door shafts 200 respectively. Specifically, bearings 210 are threadedly connected to the top of the door frame 100 through bolts, and the two bearings 210 are interference connected to the two door shafts 200 respectively. The bearings 210 are used to stabilize the door shaft 200 so that the door shaft 200 can rotate smoothly.

[0035] Please refer again Figure 2 and Figure 4 , stuffing boxes 220 are fixedly installed on the top and bottom ends of the two door shafts 200, stuffing layers 230 are arranged inside the four stuffing boxes 220, and sealing plates 240 are fixedly installed on one side of the four stuffing boxes 220. Specifically, the top and bottom ends of the two door shafts 200 are snap-connected with stuffing boxes 220, stuffing layers 230 are arranged inside the four stuffing boxes 220, and sealing plates 240 are threadedly connected to one side of the four stuffing boxes 220 by bolts. The stuffing boxes 220 are used to accommodate the stuffing layers 230, and the stuffing layers 230 are used to ensure the sealing of the connection between the door panel 300 and the door shaft 200, and the sealing plates 240 are used to seal the stuffing layers 230 in the stuffing boxes 220.

[0036] Please refer again Figure 1 and Figure 2, reinforcing rods 310 are fixedly installed on the two door panels 300, and four sealing sheets 320 are fixedly installed on the top and bottom ends of the two door panels 300 respectively. Specifically, reinforcing rods 310 are welded on the two door panels 300, and four sealing sheets 320 are fixedly installed on the top and bottom ends of the two door panels 300 respectively. The reinforcing rods 310 are used to enhance the strength of the door panels 300, and the sealing sheets 320 are used to increase the sealing of the door panels.

[0037] Please refer again Figure 4 A fixing pin 130 is fixedly installed at the bottom end of the two bearing boxes 600, and two latches 630 are respectively fixedly connected to the two door shafts 200. Specifically, a latch 630 is welded at the bottom end of the two bearing boxes 600, and the two latches 630 are respectively inserted into and connected to the two door shafts 200, and the latch 630 is used to prevent the door shaft 200 from tilting.

[0038] Please refer again Figure 4 The top ends of the two bearing boxes 600 are fixedly installed with bearing cover plates 640, and the two bearing cover plates 640 are respectively located above the two first bearings 610. Specifically, the top ends of the two bearing boxes 600 are welded with bearing cover plates 640, and the two bearing cover plates 640 are respectively located above the two first bearings 610. The bearing cover plates 640 are used to prevent the first bearings 610 and the second bearings 620 from being out of position.

[0039] Please refer again Figure 1 and Figure 2 Electric push rods 700 are fixedly installed on both sides of the top and bottom of the door frame 100, and one end of the four electric push rods 700 is fixedly connected with a buckle pin 710, and the four buckle pins 710 are respectively fixedly connected to the two door panels 300. Specifically, the electric push rods 700 are threadedly connected to both sides of the top and bottom of the door frame 100 through bolts, and one end of the four electric push rods 700 is threadedly connected with the buckle pin 710 through bolts, and the four buckle pins 710 are respectively inserted into and connected to the two door panels 300, and the electric push rods 700 are used to push the buckle pins 710 to move up and down, and the buckle pins 710 are used to be inserted into the door panels 300 to prevent the door panels 300 from opening.

[0040] Please refer again Figure 1 , Figure 2 and Figure 3 In order to make the door panels 300 more durable, both door panels 300 are subjected to shot blasting and rust removal treatment.

[0041] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced by equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A double-sealed stop door, characterized in that: include: A door frame (100), a door shaft (200), a door panel (300), a slider (400), a fixed block (500) and a bearing box (600); a support portion is provided between the two door panels (300); the support portion is located in the middle of the door frame (100); a first groove and a second groove are provided on a side of the support portion close to the door panel (300); four first springs (110) are fixedly connected in the first groove; four second springs (120) are fixedly connected in the second groove; one side of each of the four second springs (120) is fixedly connected to a fixing pin (130); the door shaft (200) is fixedly installed on both sides of the door frame (100); one side of each of the two door shafts (200) is fixedly connected to the door panel (300); one side of each of the two door panels (300) is slidably connected to the four fixing pins (130); one end of each of the four first springs (110) is fixedly connected to the slider (400); and each of the four sliders (400) is movably connected to the door frame (100). ), one side of the four sliding blocks (400) is fixedly connected to a connecting block (410), a spring shaft (420) is fixedly installed on the four connecting blocks (410), and a fixing rod (430) is fixedly connected to the four spring shafts (420). A limiting block (440) is fixedly installed on one side of the four connecting blocks (410). Four fixing blocks (500) are fixedly installed on both sides of the middle of the door frame (100), and a third spring (510) is fixedly installed in the grooves provided in the four fixing blocks (500). One side of the four third springs (510) is fixedly connected to a connecting rod (520). The bearing boxes (600) are fixedly installed on both sides of the bottom end of the door frame (100), and a first bearing (610) and a second bearing (620) are fixedly installed in the two bearing boxes (600). The bottom ends of the two door shafts (200) are fixedly connected to the first bearing (610) and the second bearing (620).

2. A double-sealed stop door according to claim 1, characterized in that: Both sides of the top end of the door frame (100) are fixedly mounted with seat bearings (210), and the two seat bearings (210) are respectively fixedly connected to the two door shafts (200).

3. A double-sealed stop door according to claim 1, characterized in that: A stuffing box (220) is fixedly mounted on the top and bottom ends of the two door shafts (200), a stuffing layer (230) is arranged inside the four stuffing boxes (220), and a sealing plate (240) is fixedly mounted on one side of the four stuffing boxes (220).

4. A double-sealed stop door according to claim 1, characterized in that: A reinforcing rod (310) is fixedly mounted on each of the two door panels (300), and four sealing sheets (320) are fixedly mounted on the top and bottom ends of the two door panels (300), respectively.

5. A double-sealed stop door according to claim 1, characterized in that: A latch pin (630) is fixedly mounted at the bottom end of each of the two bearing boxes (600), and the two fixing pins (130) are respectively fixedly connected to the two door shafts (200).

6. A double-sealed stop door according to claim 1, characterized in that: A bearing cover plate (640) is fixedly mounted on the top of each of the two bearing boxes (600), and the two bearing cover plates (640) are respectively located above the two first bearings (610).

7. The double-sealed stop door according to claim 1, characterized in that: Electric push rods (700) are fixedly mounted on both sides of the top end and both sides of the bottom end of the door frame (100), one end of each of the four electric push rods (700) is fixedly connected to a buckle pin (710), and the four buckle pins (710) are respectively fixedly connected to the two door panels (300).

8. The double-sealed stop door according to claim 1, characterized in that: The two door panels (300) are both subjected to shot blasting and rust removal treatment.

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