A splayed door opener

Abstract

The application discloses a kind of splayed door openers, including the mount of being fixed on the door and the lock catch of being fixed on the ground, the driving device is arranged from top to bottom in the mount, transmission shaft and driven shaft, the driving device is connected with driving gear, transmission gear is arranged on the transmission shaft, ground roller and driven gear are arranged on the driven shaft, the upper and lower ends of transmission gear are engaged with driving gear and driven gear respectively, the clutch device that the transmission gear is moved apart is arranged on the transmission shaft, the locking device that the lock catch is matched is connected on the driven shaft.The application is compact in structure, transmission is stable and reliable;Transmission gear is connected with clutch device, can control its connection or separation with driving device, ensure that manual control switch can be realized under the condition such as power failure;Locking device is arranged to ensure that the entire door opener is firmly fixed and cannot be moved, cooperation is firm, reliable, and the locking effect is good.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automatic door, more particularly to an eight-character door opener. BACKGROUND

[0002] The eight-character door opener, also known as the overhead door opener, is a mechanical device for automatically opening and closing doors. It is generally heavy and wide, and is not suitable for manual opening and closing. It is gradually accepted by the public and its application range is gradually expanding. The door opener is a long-time, frequent, reciprocating mechanical and electrical integrated device. It not only requires high reliability and good safety, but also requires stable operation. When power is suddenly cut off or other faults occur, the wheels of the eight-character door opener will be stuck and cannot continue to move. SUMMARY

[0003] In view of the shortcomings of the prior art, the present application provides an eight-character door opener, which is stable in transmission, stable in operation, and can be manually opened and closed after power failure, and firmly locked after stopping.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: an eight-character door opener, comprising a mounting seat fixed on a door and a lock catch fixed on the ground, a driving device, a transmission shaft and a driven shaft are arranged in the mounting seat from top to bottom, the driving device is connected with a driving gear, the transmission shaft is provided with a transmission gear, the driven shaft is provided with a ground roller and a driven gear, the upper and lower ends of the transmission gear are respectively engaged with the driving gear and the driven gear, the transmission shaft is provided with a clutch device for controlling the movement and separation of the transmission gear, and the driven shaft is connected with a locking device matched with the lock catch.

[0005] The door opener is fixed on the bottom of the door through the mounting seat, and the lock catch is fixed on the ground corresponding to the position where the door is fully opened and closed. The driving device drives the driving gear to rotate, and the driven gear is driven to rotate through the transmission gear engaged therewith, so that the driven shaft rotates and drives the ground roller mounted on the driven shaft to rotate, thereby realizing the opening and closing movement of the door. After the door moves to the corresponding position, the locking device and the lock catch on the ground are matched to realize locking, maintaining the stability of the open or closed door. When a fault occurs, the clutch device is started to separate the transmission gear and the driving gear, and manual operation can be realized. The present application has compact structure and stable and reliable operation.

[0006] Further, the clutch device comprises an adjusting groove opened along the axial direction of the transmission shaft, an adjusting block is slidably arranged in the adjusting groove, one side of the transmission gear is provided with a groove matched with the adjusting block, an adjusting shaft is arranged inside one end of the transmission shaft and abuts against the adjusting block, and a clutch reset spring is sleeved on the transmission shaft and fixed at one end of the adjusting block.

[0007] The transmission gear is correspondingly arranged with a driving gear of the driving device, the adjusting shaft is controlled to move in the adjusting groove of the transmission shaft, so as to drive the adjusting block to push the transmission gear to move along the transmission shaft, and the meshing and separation of the transmission gear and the driving gear are realized. The arrangement of the clutch reset spring enables the transmission gear to quickly return to the displacement, thereby avoiding the jamming.

[0008] One end of the transmission shaft is provided with a limiting seat, the clutch reset spring is sleeved on the transmission shaft, one end of the clutch reset spring is fixed with the adjusting block, and the other end of the clutch reset spring abuts against the limiting seat. When the adjusting block is controlled to move by the adjusting shaft, the transmission gear is separated from the driving gear, manual opening (closing) of the door can be realized, and at the same time, the reset spring is compressed to generate deformation; when manual control is not needed, the external force is eliminated, the reset spring returns to the deformation to generate a force, the adjusting block is quickly reset, and the meshing of the transmission gear and the driving gear is realized.

[0009] Further, one end of the adjusting shaft is provided with an adjusting hole, the inside of one end of the transmission shaft is provided with a limiting shaft, the inside of the limiting shaft is provided with a through hole matched with the adjusting hole, and the mounting seat is provided with a through hole matched with the through hole.

[0010] The adjusting shaft is threadedly connected with the transmission shaft, the limiting shaft is arranged in the inside of the transmission shaft, the adjusting tool (a key or a tool matched with the adjusting hole) passes through the through hole of the mounting seat and the through hole of the limiting shaft, is inserted into the adjusting hole of the adjusting shaft, is rotated to adjust, the adjusting shaft is telescopically moved in the transmission shaft along the axial direction, and then the displacement adjustment of the transmission gear driven by the adjusting block on the transmission shaft is realized.

[0011] Further, the locking device comprises a lock block rotatably arranged on the driven shaft, a convex cable bridge is arranged on the lock catch, a lock hook matched with the cable bridge is arranged at the lower end of the lock block, a swing block is arranged inside the upper end of the lock block, a limiting clamping block is arranged at the top of the swing block, a limiting ratchet matched with the limiting clamping block is arranged on the transmission shaft, a convex top block matched with one end of the swing block is arranged on the lock block, and the lock block is connected with a limiting pull rod.

[0012] The lock catch is fixed on the ground by screws or the like, and the door opener is arranged at the bottom of the door. When the door is opened or closed to the corresponding position, the lock block is pressed down under the action of the limiting pull rod, the lock hook is matched with the cable bridge to be clamped, the limiting clamping block at the upper end of the swing block is matched with the limiting ratchet to be clamped, the locking of the entire door opener is realized, and the door opener cannot be moved.

[0013] The lock block comprises several layers of lock plates fixed on each other, the end of the inner lock plate is provided with a convex step to form a convex top block. The top end of the inner several lock plates is lower than the outermost two lock plates, the swing block is rotatably installed between the outermost two lock plates, and the movement space of the swing block is formed inside. When the limit pull rod drives the lock plate to rotate, the convex top block at one end swings to lift the swing block to rotate, so that the upper limit clamping block is separated from the limit ratchet, and the locking is released.

[0014] Further, the lock hook is provided with two opposite hook bodies at the bottom of the lock block, and one of the hook bodies is provided with an inward hook. One side is provided with a hook, and when locked, the hook extends below the cable bridge of the lock catch to avoid accidental release of the locked state. The convex top block and the hook are arranged on opposite sides.

[0015] Further, one side of the lock block is provided with a sliding groove, and a sliding rod connected with the bottom of the limit pull rod is installed in the sliding groove. During the up-down movement of the limit pull rod, the lower end moves in the sliding groove, which can compensate for the lateral displacement and avoid jamming during up-down extension

[0016] Further, the bottom of the limit pull rod is connected with a swing frame, the limit pull rod and the swing frame are hinged, and the sliding rod is fixed at the bottom of the swing frame. During the up-down movement of the limit pull rod, the bottom can swing freely to avoid jamming.

[0017] Further, the upper end of the limit pull rod is sleeved with a pull rod return spring, which is compressed and then returns to generate an acting force to help realize auxiliary movement during the up-down extension displacement.

[0018] Further, the mounting seat is connected with the door through a fixed plate, a plurality of vertical rods are arranged on the rear side of the mounting seat, a sliding block is connected between the vertical rod and the fixed plate, and a vertical rod spring is sleeved on the sliding rod.

[0019] The vertical rod and the sliding block are fixedly connected, the vertical rod spring is installed at the bottom of the vertical rod (below the sliding block), and during operation, the ground roller of the door opener cannot rotate normally due to uneven ground when the door is opened.

[0020] Further, the inner side of the driven gear is provided with a buckle, the ground roller is provided with a clamping groove matched with the buckle, and the inner diameter of the clamping groove is larger than the size of the buckle. The buckle is clamped into the clamping groove with a certain gap, when the lock catch is released in reverse, the driving motor rotates to drive the driven shaft and the driven gear through the transmission structure, the buckle will rotate a certain distance in the clamping groove at this time, and the ground roller cannot be driven to rotate, so that the ground roller remains stationary during unlocking.

[0021] In summary, the application drives the motor to work through the transmission gear to drive the driven gear to rotate, thereby realizing the rotation of the ground roller and driving the opening and closing of the gate, the device is compact in structure, stable and reliable in transmission; the transmission gear is connected with the clutch device, the connection or separation of which with the driving device can be controlled, ensuring that manual control switching can be realized in the case of power failure; the lower part of the lock block is provided with a lock hook matched with the ground lock, and the upper end is provided with a swingable clamping block, when locked, the lower end is clamped while the upper end clamping block is engaged and clamped with the limiting ratchet, so that the whole door opener is firmly fixed and cannot be moved, the cooperation is firm and reliable, and the locking effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the application;

[0023] Figure 2 It is a schematic diagram of the internal structure of the application;

[0024] Figure 3 It is a schematic diagram of the clutch device structure in the application;

[0025] Figure 4 It is a sectional view of the clutch device structure in the application;

[0026] Figure 5 It is a schematic diagram of the use state (closing the door) of the application;

[0027] Figure 6 It is a schematic diagram of the use state (opening the door) of the application;

[0028] Figure 7 It is a schematic diagram of the locking device structure in the application;

[0029] Figure 8 It is a schematic diagram of the locking state of the locking device in the application;

[0030] Figure 9 It is an enlarged view of the ground roller part structure in the application.

[0031] Label description: 1, mounting seat; 2, fixed plate; 3, pull rod return spring; 4, limit pull rod; 5, perforation; 6, limit ratchet; 7, lock; 8, ground roller; 9, driven gear; 10, transmission gear; 11, driving gear; 12, driving device; 13, vertical rod; 14, vertical rod spring; 15, lock block; 16, groove; 17, adjusting block; 18, adjusting shaft; 19, transmission shaft; 20, clutch return spring; 21, adjusting hole; 22, adjusting groove; 23, through hole; 24, limit shaft; 25, lock hook; 26, sliding rod; 27, sliding groove; 28, protruding top block; 29, swing block; 30, limit clamping block; 31, cable bridge; 32, clamping buckle; 33, clamping groove. DETAILED DESCRIPTION

[0032] Reference Figures 1 to 9 Further description is made to the specific embodiment of the present application.

[0033] The eight-character opening door machine comprises a mounting seat 1 fixed on a door and a lock catch 7 fixed on the ground, as shown in the drawings, wherein the mounting seat 1 is internally provided with, from top to bottom, a driving device 12, a transmission shaft 19 and a driven shaft, the driving device 12 is connected with a driving gear 11, the transmission shaft 19 is provided with a transmission gear 10, the driven shaft is provided with a ground roller 8 and a driven gear 9, the upper and lower ends of the transmission gear 10 are respectively engaged with the driving gear 11 and the driven gear 9, the transmission shaft 19 is provided with a clutch device for controlling the transmission gear 10 to move and separate, and the driven shaft is connected with a locking device matched with the lock catch 7. Figure 1 Figure 2 The embodiment is preferably provided with the clutch device, as shown in the drawings, which comprises an adjusting groove 22 opened along the axial direction of the transmission shaft 19, an adjusting block 17 slidably arranged in the adjusting groove 22, a recess 16 arranged on one side of the transmission gear 10 and matched with the adjusting block 17, an adjusting shaft 18 arranged inside one end of the transmission shaft and abutting against the adjusting block 17, and a clutch return spring 20 sleeved on the transmission shaft and fixed at one end with the adjusting block 17.

[0034] The transmission gear 10 is correspondingly arranged with the driving gear 11 of the driving device 12, and the adjusting shaft 18 is controlled to move in the adjusting groove 22 of the transmission shaft, so as to drive the adjusting block 17 to push the transmission gear 10 to move along the transmission shaft, thereby achieving the engagement and separation of the transmission gear 10 and the driving gear 11. The clutch return spring 20 is arranged to enable the transmission gear 10 to quickly return to the displacement position, thereby avoiding the jamming. Figure 3 Figure 4 One end of the transmission shaft is provided with a limiting seat, and the clutch return spring 20 is sleeved on the transmission shaft and fixed at one end with the adjusting block 17 and at the other end with the limiting seat. When the adjusting shaft 18 controls the adjusting block 17 to move, the transmission gear 10 is separated from the driving gear 11, so as to realize the manual opening (or closing) of the door, and at the same time, the return spring is compressed to be deformed; when the manual control is not needed, the external force is eliminated, the return spring 20 returns to the deformation position to generate a force, so as to quickly reset the adjusting block 17 and realize the engagement of the transmission gear 10 and the driving gear 11.

[0035] One end of the transmission shaft is provided with a limiting seat, and the clutch return spring 20 is sleeved on the transmission shaft and fixed at one end with the adjusting block 17 and at the other end with the limiting seat. When the adjusting shaft 18 controls the adjusting block 17 to move, the transmission gear 10 is separated from the driving gear 11, so as to realize the manual opening (or closing) of the door, and at the same time, the return spring is compressed to be deformed; when the manual control is not needed, the external force is eliminated, the return spring 20 returns to the deformation position to generate a force, so as to quickly reset the adjusting block 17 and realize the engagement of the transmission gear 10 and the driving gear 11.

[0036] One end of the transmission shaft is provided with a limiting seat, and the clutch return spring 20 is sleeved on the transmission shaft and fixed at one end with the adjusting block 17 and at the other end with the limiting seat. When the adjusting shaft 18 controls the adjusting block 17 to move, the transmission gear 10 is separated from the driving gear 11, so as to realize the manual opening (or closing) of the door, and at the same time, the return spring is compressed to be deformed; when the manual control is not needed, the external force is eliminated, the return spring 20 returns to the deformation position to generate a force, so as to quickly reset the adjusting block 17 and realize the engagement of the transmission gear 10 and the driving gear 11.

[0037] ​​The adjusting shaft 18 is preferably provided with an adjusting hole 21 at one end, and the transmission shaft is internally provided with a limiting shaft 24, and the limiting shaft 24 is internally provided with a through hole 23 corresponding to the adjusting hole 21, and the mounting base 1 is provided with a through hole 5 corresponding to the through hole 23.

[0038] The adjusting shaft 18 is threadedly connected with the transmission shaft, the limiting shaft 24 is internally arranged in the transmission shaft, and the adjusting hole 21 of the adjusting shaft 18 is inserted through the through hole 5 of the mounting base 1 and the through hole 23 of the limiting shaft 24 by means of an adjusting tool (a key or a tool matched with the adjusting hole 21), and then the adjusting shaft 18 is rotated to be adjusted, so that the adjusting shaft 18 is axially extended and retracted in the transmission shaft, thereby achieving the displacement adjustment of the transmission gear 10 on the transmission shaft by the adjusting block 17.

[0039] The adjusting shaft 18 is preferably provided with an adjusting hole 21 at one end, and the transmission shaft is internally provided with a limiting shaft 24, and the limiting shaft 24 is internally provided with a through hole 23 corresponding to the adjusting hole 21, and the mounting base 1 is provided with a through hole 5 corresponding to the through hole 23. Figure 7 、 Figure 8 The locking device includes a locking block 15 rotatably arranged on the driven shaft, the lock 7 is provided with a protruding cable bridge 31, the lower end of the locking block 15 is provided with a locking hook 25 matched with the cable bridge 31, the upper end of the locking block 15 is internally provided with a swing block 29, the top of the swing block 29 is provided with a limiting clamping block 30, the transmission shaft 19 is provided with a limiting ratchet 6 matched with the limiting clamping block 30, the locking block 15 is provided with a protruding top block 28 matched with one end of the swing block 29, and the locking block 15 is connected with a limiting pull rod 4.

[0040] As shown in Figure 5 、 Figure 6 , the lock 7 is fixed on the ground by means of screws or the like, and the door opener is arranged at the bottom of the door. When the door is opened or closed to the corresponding position, the locking block 15 is pressed down under the action of the limiting pull rod 4, the locking hook 25 is matched and clamped with the cable bridge 31, and the limiting clamping block 30 of the swing block 29 at the upper end is matched and clamped with the limiting ratchet 6, so that the locking of the entire door opener is realized, and the door opener cannot be moved.

[0041] The locking block 15 includes a plurality of layers of locking plates fixedly overlapped with each other, and the end of the internal locking plate is provided with a protruding step to form a protruding top block 28. The top ends of the internal several locking plates are lower than the outermost two locking plates, the swing block 29 is rotatably arranged between the outermost two locking plates, and the internal space for the swing block 29 to move is formed. When the limiting pull rod 4 drives the locking plates to rotate, the protruding top block 28 at one end swings to lift and rotate the swing block 29, so that the upper limiting clamping block 30 is separated from the limiting ratchet 6, and the locking is released.

[0042] The locking hook 25 is preferably provided with two opposite hook bodies arranged at the bottom of the locking block 15, and one of the hook bodies is provided with an inwardly bent hook. The bent hook is arranged at one side, and when locked, the bent hook extends below the cable bridge 31 of the lock 7 to avoid the locking state being randomly released. The protruding top block 28 and the bent hook are arranged at opposite sides.

[0043] Preferably, one side of the lock block 15 is provided with a sliding groove 27, and a sliding rod 26 connected with the bottom of the limiting pull rod 4 is installed in the sliding groove 27. During the up-down movement of the limiting pull rod 4, the lower end moves in the sliding groove 27, which can compensate for the lateral displacement and avoid jamming during the up-down extension

[0044] Preferably, the bottom of the limiting pull rod 4 is connected with a swing frame, the limiting pull rod 4 is hinged with the swing frame, and the sliding rod 26 is fixed at the bottom of the swing frame. During the up-down movement of the limiting pull rod 4, the bottom can swing freely to avoid jamming.

[0045] Preferably, the upper end of the limiting pull rod 4 is sleeved with a pull rod return spring 3, and during the up-down extension displacement, the pull rod return spring 3 is compressed and then returns to generate an acting force, which is helpful for assisting the movement.

[0046] Preferably, the mounting seat 1 is connected with the door through the fixed plate 2, the rear side of the mounting seat 1 is provided with a plurality of vertical rods 13, the vertical rods 13 and the fixed plate 2 are connected with sliding blocks, and the vertical rods 13 are sleeved with vertical rod springs.

[0047] The vertical rods 13 are fixedly connected with the sliding blocks, and the vertical rod springs are installed at the bottom of the sliding rod 26 (below the sliding block). During the operation, when the ground is uneven, the ground roller 8 of the door opener can not rotate normally, which causes the door to be unable to be normally opened.

[0048] Preferably, the inner side of the driven gear 9 is provided with a buckle 32, the ground roller 8 is provided with a clamping groove 33 matched with the buckle 32, and the inner diameter of the clamping groove 33 is greater than the size of the buckle 32. The buckle 32 is clamped into the clamping groove 33 and has a certain gap. When the lock catch 7 is unlocked in the reverse direction, the driving motor rotates through the transmission structure to drive the driven shaft and the driven gear 9 to rotate, the buckle 32 rotates a certain distance in the clamping groove 33, and at this time, the ground roller 8 cannot be driven to rotate, so that the ground roller 8 remains stationary during the unlocking process.

[0049] The door opener is fixed at the bottom of the door through the mounting seat 1, and the lock catch 7 is fixed on the ground at a position corresponding to the fully opened and closed position of the door. The driving device 12 (using a motor) drives the driving gear 11 to rotate, drives the driven gear 9 to rotate through the transmission gear 10 engaged with the driving gear 11, drives the driven shaft to rotate, and drives the ground roller 8 installed on the driven shaft to rotate, so as to realize the opening and closing movement of the door. After the door moves to the corresponding position, the locking device and the lock catch 7 on the ground cooperate to realize locking, so as to maintain the stability of the opened or closed door. When a fault occurs, the clutch device is started to separate the transmission gear 10 and the driving gear 11, so that manual operation can be realized.

[0050] The working principle of the clutch device is as follows: normally, the transmission gear 10 is engaged with the driving gear 11 and the driven gear 9 respectively, the driving device 12 works, and the door opener is normally operated. When power is cut off or other faults occur, the key or adjusting tool is inserted into the adjusting hole 21 of the adjusting shaft 18 through the through hole 23 of the limiting shaft 24 and the through hole 5 and is screwed, the adjusting shaft 18 is displaced inward, the adjusting block 17 and the transmission gear 10 are pushed to move inward along the adjusting groove 22, the transmission gear 10 and the driving gear 11 are disengaged, the transmission system is separated, and the door can be manually pushed to move at this time. When power is turned on or the fault is removed, the adjusting shaft 18 is screwed in the reverse direction, the adjusting shaft 18 is displaced outward, the adjusting block 17 and the transmission gear 10 are reset under the action force generated by the reset of the clutch reset spring 20, the transmission gear 10 and the driving gear 11 (and the driven gear 9) are engaged, and the transmission system is combined.

[0051] The working principle of the locking device is as follows: the lock catch 7 is fixed on the ground by screws or the like, the cable bridge 31 is a convex with the bottom and both sides being empty. The limiting pull rod 4 passes through the mounting seat 1 and is connected with the lock block 15 at the lower end and is connected with the control switch at the upper end. When the door is stopped, the lock hook 25 (hook body with a hook) touches the ground lock catch 7, the lock hook 25 (lock block 15) is rotated, the swing block 29 on the lock hook 25 is swung, the top limiting block 30 is engaged with the limiting ratchet 6, the limiting pull rod 4 is pulled down at the same time the lock hook 25 is rotated, the control switch is turned on, the motor stops running, at this time, the two hook bodies on the lock hook 25 are just clamped on the cable bridge (as shown in Figure 8 ), and thus the whole door opener is firmly fixed and cannot be moved. When the door needs to be moved, the motor runs, the limiting pull rod 4 is lifted, the lock block 15 swings in the reverse direction, the swing block 29 and the limiting block 30 are lifted and pressed at the same time, under the rotation of the limiting ratchet 6, they are gradually separated, at the same time, the bottom lock hook 25 and the lock catch 7 are unlocked (as shown in Figure 7 ), the door opener normally drives the door to move. At the same time the lock is removed, the buckle 32 of the driven gear 9 rotates in the card slot 33 of the ground roller 8 and is not removed, so the ground roller 8 does not rotate, and thus when the lock is removed, the ground roller 8 is not displaced.

[0052] The above is only the preferred embodiment of the present application, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical scheme falling within the idea of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application should be considered as the protection scope of the present application.

Claims

1. A splayed door opener characterised in that: The application relates to a lock device for a gate, which comprises a mounting seat fixed on the gate and a lock buckle fixed on the ground, wherein driving devices, a transmission shaft and a driven shaft are arranged in the mounting seat from top to bottom, the driving devices are connected with driving gears, the transmission shaft is provided with transmission gears, the driven shaft is provided with ground rollers and driven gears, the upper and lower ends of the transmission gears are respectively engaged with the driving gears and the driven gears, the transmission shaft is provided with a clutch device for controlling the separation of the transmission gears, and the driven shaft is connected with a locking device matched with the lock buckle. The locking device comprises a lock block rotatably arranged on the driven shaft, a convex cable bridge arranged on the lock buckle, a lock hook arranged at the lower end of the lock block and matched with the cable bridge, a swing block arranged inside the upper end of the lock block, a limiting clamping block arranged at the top of the swing block, a limiting ratchet matched with the limiting clamping block and arranged on the transmission shaft, a convex top block arranged at one end of the swing block and matched with the lock block, and a limiting pull rod connected with the lock block. One side of the lock block is provided with a sliding groove, and a sliding rod connected with the bottom of the limiting pull rod is arranged in the sliding groove. The inner side of the driven gear is provided with a clasp, and the ground roller is provided with a clamping groove matched with the clasp and larger than the size of the clasp.

2. The splayed door opener of claim 1, wherein: The clutch device comprises an adjusting groove arranged along the axial direction of the transmission shaft, an adjusting block slidably arranged in the adjusting groove, a groove arranged at one side of the transmission gear and matched with the adjusting block, an adjusting shaft arranged inside one end of the transmission shaft and abutting against the adjusting block, a clutch reset spring sleeved on the transmission shaft and fixed at one end of the adjusting block.

3. The splayed door opener of claim 2, wherein: One end of the adjusting shaft is provided with an adjusting hole, and the inside of one end of the transmission shaft is provided with a limiting shaft, the inside of the limiting shaft is provided with a through hole corresponding to the adjusting hole, and the mounting seat is provided with a through hole corresponding to the through hole.

4. The splayed door opener of claim 1, wherein: The lock hook is composed of two opposite hook bodies arranged at the bottom of the lock block, and one of the hook bodies is provided with an inward hook.

5. The splayed door opener of claim 1, wherein: The bottom of the limiting pull rod is connected with a swing frame, the limiting pull rod and the swing frame are hinged, and the sliding rod is fixed at the bottom of the swing frame.

6. The splayed door opener of claim 1, wherein: The upper end of the limiting pull rod is sleeved with a pull rod reset spring.

7. The splayed door opener of claim 1, wherein: The mounting seat is connected with the gate through a fixed plate, the rear side of the mounting seat is provided with a plurality of vertical rods, the vertical rods and the fixed plate are connected with sliding blocks, and the sliding rod is sleeved with a vertical rod spring.

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