Door leaf hydraulic control locking system of protective airtight partition door

Abstract

The utility model discloses a door leaf hydraulic control locking system of a protective airtight partition door. The door leaf hydraulic control locking system comprises a door frame, a door leaf, a lock pin and a hydraulic power device. A lock hole is formed in the inner side of the door frame. One side of the door leaf is hinged to the door frame. The lock pin is connected to the edge of the door leaf in a sliding mode, the hydraulic power device is used for driving the lock pin to enter or leave the lock hole, the hole bottom of the lock hole is provided with an inclined face, and the end, close to the rear side of the door frame, of the inclined face inclines inwards. A gap exists between the rear side wall, close to the rear side of the door frame, of the lock hole and the lock pin. According to the hydraulic control locking system for the door leaf of the protective airtight partition door, when the door leaf is not completely closed, the lock pin can be smoothly inserted into the lock hole, and locking is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of partition door locking, especially relates to a protective airtight partition door leaf hydraulic control locking system. BACKGROUND

[0002] The existing subway protective airtight partition door, such as the patent with the application number CN2009101529806, comprises a door frame, a door leaf and a hydraulic control locking system, one side of the door leaf is hinged to the door frame, a plurality of lock holes are vertically arranged on the left and right sides of the door frame, the hydraulic control locking system comprises a hydraulic power device, a connecting rod and a lock pin, the connecting rod is vertically arranged on the left and right sides of the door leaf, a plurality of horizontally arranged lock pins are vertically arranged on each connecting rod, and the position of the lock pin corresponds to the position of the lock hole. When the partition door is closed, the door leaf is first closed, the lock pin is aligned with the lock hole, the hydraulic power device drives the lock rod to move outward along the door leaf, the lock pin is inserted into the lock hole along the axial direction, and the door leaf locking is realized.

[0003] The existing partition door has a large number of lock pins and lock holes to improve the locking effect, and when locking, if the door leaf is not closed in place, that is, there is a gap between the door leaf and the door frame, the lock pin and the lock hole are not completely aligned, and after the lock pin is driven to move by the hydraulic power device, the lock pin will be stuck in the hole of the lock hole, and in severe cases, the lock pin or the hydraulic power device will be damaged. UTILITY MODEL CONTENTS

[0004] The utility model discloses to solve the shortcoming that the lock pin is easily stuck in the hole of the lock hole when the door leaf is not completely closed during locking of the existing partition door, and proposes a protective airtight partition door leaf hydraulic control locking system, which can smoothly insert the lock pin into the lock hole when the door leaf is not completely closed and complete locking.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A protective airtight partition door leaf hydraulic control locking system comprises a door frame, a door leaf, a lock pin and a hydraulic power device, a lock hole is arranged on the inner side of the door frame, one side of the door leaf is hinged to the door frame, the lock pin is slidably connected to the edge of the door leaf, the hydraulic power device is used for driving the lock pin to enter or leave the lock hole, the hole bottom of the lock hole is provided with an inclined surface, one end of the inclined surface close to the rear side of the door frame is inclined inward, the outer end of the lock pin is abutted on the inclined surface when the lock pin is inserted into the lock hole during door leaf locking, and there is a gap between the rear wall of the lock hole close to the rear side of the door frame and the lock pin.

[0007] Through the above setting, first, the lock pin can also be inserted into the lock hole when the door leaf is not completely closed, preventing the lock pin from being stuck in the hole of the lock hole, and second, the lock pin is abutted on the inclined surface, and under the guidance of the inclined surface, the door leaf is helped to be tightly closed on the door frame.

[0008] Further, the lock pin comprises a lock pin body slidingly connected with the door leaf, and a roller rotatably connected with an outer end of the lock pin body, the roller abutting against the inclined surface.

[0009] By the above arrangement, the friction between the lock pin and the inclined surface is reduced, thereby reducing the wear of the inclined surface.

[0010] Further, an outer end of the lock pin body is provided with a mounting groove, and the lock pin further comprises a support shaft mounted in the mounting groove, and the roller is coaxially rotatably connected with the support shaft, and the roller is at least partially arranged outside the mounting groove.

[0011] By the above arrangement, the roller is mounted on the pin body through the support shaft.

[0012] Further, both ends of the support shaft are mounted in the mounting groove through bolts.

[0013] By the above arrangement, the support shaft is convenient to disassemble, so as to replace and maintain the lock pin.

[0014] Further, a bearing is arranged between the roller and the support shaft.

[0015] By the above arrangement, the rotating resistance of the roller is reduced.

[0016] Further, an outer periphery of the roller is provided with a rubber layer.

[0017] By the above arrangement, the wear of the inclined surface is further reduced.

[0018] Further, at least six lock holes are vertically arranged in the inner sides of the left and right side edges of the door frame, and at least six lock pins are vertically arranged in the left and right side edges of the door leaf.

[0019] By the above arrangement, the firmness and impact resistance of the door leaf after being closed are increased.

[0020] Further, first shaft sleeves are arranged on the left and right sides of the door leaf, and the lock pins pass through the first shaft sleeves and are slidingly connected with the first shaft sleeves.

[0021] By the above arrangement, the stability of the movement of the pin shaft is increased.

[0022] Further, the hydraulic power device comprises two vertical connecting rods arranged on the left and right sides of the door leaf, the plurality of lock pins on the left side are mounted on the left connecting rod, and the plurality of lock pins on the right side are mounted on the right connecting rod, the hydraulic power device further comprises a push rod, a transmission mechanism and a hydraulic motor, the push rod is horizontally slidingly connected with the door leaf, the push rod is connected with the connecting rods, and the hydraulic motor drives the push rod to axially move through the transmission mechanism.

[0023] By the above arrangement, the hydraulic motor drives the plurality of lock pins through the connecting rods, the synchronization of the lock pins is increased, and the movement efficiency of the lock pins is improved.

[0024] Furthermore, a second bushing is installed on the door leaf, and the push rod passes through the second bushing and is slidably connected to the second bushing.

[0025] The above settings increase the stability of the push rod's movement. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the locking system in an embodiment.

[0027] Figure 2 for Figure 1 Enlarged view of point A.

[0028] Figure 3 for Figure 2 BB cross-sectional view.

[0029] Figure 4 This is a schematic diagram of the lock pin being inserted into the lock hole. Detailed Implementation

[0030] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0031] like Figures 1 to 4 As shown, a hydraulic control locking system for a protective airtight partition door includes: a door frame 3, a door leaf 4, a locking pin 5, and a hydraulic power unit 6; a lock hole 7 is provided on the inner side of the door frame 3, and one side of the door leaf 4 is hinged to the door frame 3; the locking pin 5 is slidably connected to the edge of the door leaf 4, and the hydraulic power unit 6 is used to drive the locking pin 5 into or out of the lock hole 7. The bottom of the lock hole 7 is provided with a slope 8, and the end of the slope 8 near the rear side of the door frame 3 is inclined inward. When the door leaf 4 is locked, the locking pin 5 is inserted into the lock hole 7, and the outer end of the locking pin 5 is pressed against the slope 8. There is a gap between the rear side wall of the lock hole 7 near the rear side of the door frame 3 and the locking pin 5.

[0032] With the above settings, firstly, when the door leaf 4 is not fully closed, the locking pin 5 can still be inserted into the lock hole 7 to prevent the locking pin 5 from getting stuck in the opening of the lock hole 7; secondly, the locking pin 5 presses against the inclined surface 8, and under the guiding action of the inclined surface 8, it helps the door leaf 4 to close tightly on the door frame 3.

[0033] In this application, the door frame 3 and door leaf 4 can refer to existing partition doors. The right side of the door leaf 4 is hinged to the door frame 3 via a pivot vertically mounted on the right side of the door frame 3. The rear side of the door frame 3 is specifically the side facing the opening direction of the door leaf 4, and the front side of the door frame 3 is the side facing the closing direction of the door frame 3. Initially, as Figure 3As shown, the locking pin 5 abuts against the inclined plane 8. Under the reaction force of the inclined plane 8, the door leaf 4 is locked onto the door frame 3 and cannot be opened. At this time, there is a gap between the rear wall of the lock hole 7 and the locking pin 5, that is, the diameter of the lock hole 7 is larger than the outer diameter of the locking pin 5. The hydraulic power device 6, referring to existing partition doors, drives the locking pin 5 axially outward from the lock hole 7. After the locking pin 5 leaves the lock hole 7, the door leaf 4 can be opened backward. When locking the door leaf 4, rotating the door leaf 4 causes it to approach the door frame 3. Because the diameter of the lock hole 7 is larger than the outer diameter of the locking pin 5, even if the door leaf 4 is not fully closed, as... Figure 4 As shown, when the hydraulic power unit 6 drives the locking pin 5 to move axially toward the lock hole 7, the locking pin 5 can also be inserted into the lock hole 7 without getting stuck at the opening, preventing damage to the hydraulic power unit 6 and the locking pin 5. After the locking pin 5 abuts against the inclined surface 8, the hydraulic power unit 6 continues to drive the locking pin 5 to push forward. Under the guidance of the inclined surface 8, the locking pin 5 and the door leaf 4 continue to move forward until the door leaf 4 is completely closed on the door frame 3, helping the door leaf 4 to be sealed.

[0034] As one implementation, the locking pin 5 includes a locking pin body 51 that is slidably connected to the door leaf 4, and a roller 52 that is rotatably connected to the outer end of the locking pin body 51, with the roller 52 pressing against the inclined surface 8.

[0035] By implementing the above settings, the friction between the locking pin 5 and the inclined surface 8 is reduced, thereby reducing the wear of the inclined surface 8.

[0036] The locking pin 5 directly rubs against the inclined surface 8, which will wear down the inclined surface 8. In addition, the locking pin 5 is also prone to getting stuck on the inclined surface 8. The setting of the roller 52 can change the sliding friction into rolling friction. When the locking pin 5 pushes in, it is easier to move along the inclined surface 8, which reduces the wear of the inclined surface 8. At the same time, the door leaf 4 is also easier to close under the action of the locking pin 5 and the inclined surface 8.

[0037] As one implementation, the outer end of the locking pin body 51 is provided with a mounting groove 511. The locking pin 5 also includes a support shaft 53, which is installed in the mounting groove 511. The roller 52 is coaxially rotatably connected to the support shaft 53, and the roller 52 is at least partially located outside the mounting groove 511.

[0038] With the above configuration, the roller 52 is mounted on the pin body via the support shaft 53.

[0039] In this application, both ends of the support shaft 53 abut against the side of the mounting groove 511 to prevent the support shaft 53 from moving axially.

[0040] As one implementation, the two ends of the support shaft 53 are mounted in the mounting groove 511 by bolts 54.

[0041] The above-mentioned configuration facilitates the disassembly and assembly of the support shaft 53, enabling the replacement and maintenance of the locking pin 5.

[0042] As one implementation, a bearing 55 is provided between the roller 52 and the support shaft 53.

[0043] The above settings reduce the rotational resistance of the roller 52.

[0044] As one implementation, a rubber layer 56 is provided on the outer periphery of the roller 52.

[0045] The above settings further reduce the wear of the inclined surface 8.

[0046] As one implementation method, at least six lock holes 7 are provided vertically on the inner sides of the left and right sides of the door frame 3, and at least six locking pins 5 are provided vertically on the left and right sides of the door leaf 4.

[0047] The above settings increase the sturdiness and impact resistance of the door leaf 4 after it is closed, thereby improving the protective performance of the partition door.

[0048] As one implementation method, the door leaf 4 is provided with first bushings 9 on the left and right sides, and the locking pin 5 passes through the first bushings 9 and is slidably connected to the first bushings 9.

[0049] The above settings increase the stability of the pin movement.

[0050] In this application, the first bushing 9 is installed on the door leaf 4 by fasteners, and the pin is slidably connected to the door leaf 4 through the first bushing 9, so that the pin will not wobble when moving, thereby increasing the stability of the movement.

[0051] As one implementation, the hydraulic power unit 6 includes two vertically arranged connecting rods 61 on the left and right sides of the door leaf 4. Multiple locking pins 5 on the left side are installed on the left connecting rod 61, and multiple locking pins 5 on the right side are installed on the right connecting rod 61. The hydraulic power unit 6 also includes a push rod 62, a transmission mechanism 63, and a hydraulic motor 64. The push rod 62 is horizontally slidably connected to the door leaf 4 and is connected to the connecting rod 61. The hydraulic motor 64 drives the push rod 62 to move axially through the transmission mechanism 63.

[0052] With the above configuration, the hydraulic motor 64 drives multiple locking pins 5 through the connecting rod 61, increasing the synchronization of the locking pins 5 and thus improving the movement efficiency of the locking pins 5.

[0053] The hydraulic motor 64 of this application is hydraulically driven, can be purchased from the market, and has the advantages of high torque, making it convenient to drive the movement of multiple locking pins 5; the transmission mechanism 63 can refer to the existing screw structure of partition doors, and will not be described in detail here.

[0054] As one implementation, a second bushing 10 is installed on the door leaf 4, and the push rod 62 passes through the second bushing 10 and is slidably connected to the second bushing 10.

[0055] The above settings increase the stability of the push rod 62's movement.

[0056] The second bushing 10 of this application is installed on the door leaf 4 by fasteners. The push rod 62 is slidably connected to the door leaf 4 through the second bushing 10 to prevent the push rod 62 from shaking when it moves, thereby increasing the stability of the movement of the push rod 62, the connecting rod 61 and the pin.

[0057] It should be understood that those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A hydraulically controlled locking system for a protective, airtight partition door leaf, characterized in that, include: A door frame and a door leaf, wherein a lock hole is provided on the inner side of the door frame, and one side of the door leaf is hinged to the door frame; The door leaf is slidably connected to the edge of the door leaf, and the hydraulic power device is used to drive the lock pin into or out of the lock hole. The bottom of the lock hole is provided with a slope, and the end of the slope near the rear side of the door frame is inclined inward. When the door leaf is locked, the lock pin is inserted into the lock hole, and the outer end of the lock pin abuts against the slope. There is a gap between the lock hole and the rear side wall near the rear side of the door frame and the lock pin.

2. The hydraulic control interlocking system for a protective airtight partition door leaf according to claim 1, characterized in that, The locking pin includes a locking pin body that is slidably connected to the door leaf, and a roller that is rotatably connected to the outer end of the locking pin body, the roller abutting against the inclined surface.

3. The hydraulic control interlocking system for a protective airtight partition door leaf according to claim 2, characterized in that, The outer end of the locking pin body is provided with a mounting groove. The locking pin also includes a support shaft, which is installed in the mounting groove. The roller is coaxially rotatably connected to the support shaft, and the roller is at least partially located outside the mounting groove.

4. The hydraulic control and locking system for a protective airtight partition door leaf according to claim 3, characterized in that, The two ends of the support shaft are bolted into the mounting groove.

5. The hydraulic control and locking system for a protective airtight partition door leaf according to claim 3, characterized in that, A bearing is provided between the roller and the support shaft.

6. The hydraulic control interlocking system for a protective airtight partition door leaf according to claim 3, characterized in that, The outer periphery of the roller is provided with a rubber layer.

7. The hydraulic control and locking system for a protective airtight partition door leaf according to claim 1, characterized in that, The door frame has at least six lock holes on the inner side of both the left and right sides, and the door leaf has at least six lock pins on the inner side of both the left and right sides.

8. The hydraulic control interlocking system for a protective airtight partition door leaf according to claim 1, characterized in that, The door leaf is provided with first bushings on the left and right sides, and the locking pin passes through the first bushing and is slidably connected to the first bushing.

9. The hydraulic control interlocking system for a protective airtight partition door leaf according to claim 1, characterized in that, The hydraulic power unit includes two vertical connecting rods arranged on the left and right sides of the door leaf. Multiple locking pins on the left side are installed on the left connecting rod, and multiple locking pins on the right side are installed on the right connecting rod. The hydraulic power unit also includes a push rod, a transmission mechanism, and a hydraulic motor. The push rod is horizontally slidably connected to the door leaf and connected to the connecting rod. The hydraulic motor drives the push rod to move axially through the transmission mechanism.

10. A hydraulic control locking system for a protective airtight partition door leaf according to claim 9, characterized in that, A second bushing is installed on the door leaf, and the push rod passes through the second bushing and is slidably connected to the second bushing.

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