A power-off lockable sliding door machine

Abstract

The utility model discloses a kind of power-off locking sliding door machines, including outer casing and rotating shaft, the right side of the outer casing is connected with locking cylinder and penetrates, the inside of the locking cylinder is provided with bolt mechanism.The power-off locking sliding door machine, when the sliding door machine is in the powered state, the magnetic force of electromagnet is generated to attract iron lock pin compression reset spring, so that iron lock pin is separated from bolt hole, rotating shaft can be freely rotated at this time, when power outage occurs suddenly, electromagnet immediately loses magnetism, reset spring quickly pushes iron lock pin axial pops out and inserts into the bolt hole of locking ring, forms first rigid mechanical locking, at the same time, the worm and gear in self-locking mechanism relies on its inherent reverse self-locking characteristic, automatically realizes second friction transmission locking, to ensure that door body can be absolutely fixed when power outage, significantly improve the safety and reliability of equipment.

Description

Technical Field

[0001] This utility model relates to the field of door opening technology, specifically to a power-off locking sliding door machine. Background Technology

[0002] With the improvement of living standards and the fast pace of life, automated door opening and closing systems have become a common phenomenon, emphasizing safety, convenience, and energy efficiency. A door opener is a mechanical and electronic device that controls the automatic opening and closing of a door. It mainly consists of a drive motor, a transmission shaft, and a clutch. The clutch is designed to ensure normal opening and closing in the event of a power outage or other electrical faults.

[0003] A simple sliding door operator disclosed in publication number CN205370248U includes a motor, a mechanism, and a base plate. The motor is driven by the mechanism, and the mechanism is fixedly connected to the base plate. The mechanism comprises a housing and a transmission part disposed within the housing. The transmission part includes a gear, a worm, a turbine, and a turbine shaft. The worm is coaxially and fixedly connected to the output shaft of the motor, and the worm is driven by the turbine. The turbine is coaxially and driven by the turbine shaft. The gear is fixedly disposed at the end of the turbine shaft. This invention has a simple structure, is easy to install, distributes force evenly, and has a low cost.

[0004] However, this sliding door operator has the following disadvantages: it relies solely on worm gear self-locking, which makes it prone to slippage when parts are worn or external forces are applied, resulting in insufficient door fixation security. In addition, the single unlocking structure is not as secure as the double unlocking structure. Utility Model Content

[0005] The technical problem this utility model aims to solve is as follows: It provides a highly practical sliding door operator with a simple structure and a power-off locking mechanism, which solves the problems mentioned in the background art, such as reliance on worm gear self-locking leading to easy slippage due to component wear or external force, insufficient door fixation security, and the lack of high security from a single unlocking structure compared to dual unlocking.

[0006] The objective of this utility model can be achieved through the following technical solutions: A power-off locking sliding door operator includes an outer casing and a rotating shaft. A locking cylinder is connected through the right side of the outer casing. A pin mechanism is provided inside the locking cylinder. Unlocking mechanisms are symmetrically provided on the outer surface of the locking cylinder. A clutch mechanism is rotatably connected inside the rotating shaft. The pin mechanism includes an electromagnet disposed inside the locking cylinder. A return spring is provided on the left side of the electromagnet. An iron lock pin is provided on the left side of the return spring. A locking ring is provided on one side of the iron lock pin. Several sets of pin holes are provided on the surface of the locking ring. The unlocking mechanism includes two sets of L-shaped grooves symmetrically provided on the outer surface of the locking cylinder. A locking position is provided on one side of each set of L-shaped grooves. Sliding blocks are slidably connected inside each set of L-shaped grooves. A handle is fixedly connected to one side of each set of sliding blocks. The clutch mechanism includes a push rod rotatably connected inside the rotating shaft. A push rod is provided at one end of the push rod. A clutch key is fixedly connected to one end of the push rod. A clutch spring is provided on one side of the clutch key.

[0007] As a further embodiment of this utility model: a motor is provided at the top of the outer casing, and a self-locking mechanism is splinedly connected to the output end of the motor passing through the top of the outer casing. The self-locking mechanism includes a worm gear splinedly connected to the output end of the motor passing through the top of the outer casing, and a worm wheel meshing with one side of the worm gear. The worm wheel is splinedly connected to the surface of the rotating shaft. The arrangement of the worm wheel and the worm gear achieves transmission self-locking and prevents the rotating shaft from being driven in the opposite direction by external force.

[0008] As a further embodiment of this utility model: several sets of the pin holes are evenly distributed along the axial direction of the rotating shaft on the surface of the locking ring, the position and size of the iron lock pin are adapted to the position and size of the pin holes, and the locking ring is fixedly connected to the surface of the rotating shaft. Through the setting of the iron lock pin and the pin holes, the position of the rotating shaft is mechanically locked in the power-off state.

[0009] As a further embodiment of this utility model: two sets of sliding blocks are symmetrically arranged on the outer surface of the iron lock pin, and the two sets of sliding blocks are slidably connected to the right side of the outer casing. The handle is arranged on the right side of the outer casing. The sliding blocks serve to constrain and limit the movement of the iron lock pin.

[0010] As a further embodiment of this utility model: the rotating shaft has a spiral groove on one side of the push rod, and a limiting post is fixedly connected to the surface of the push rod inside the spiral groove. The rotating shaft has a keyway through the surface of the clutch key. The spiral groove and the limiting post together play a role in pushing the push rod forward.

[0011] As a further embodiment of this utility model: a clutch key is inserted into one side of the push rod, and a locking key is inserted into one side of the handle. The locking key enhances security.

[0012] As a further embodiment of this utility model: the rotating shaft is rotatably connected to the opposite side of the outer casing, and a drive gear is splined to the left end of the rotating shaft. An upper casing is provided above the outer casing. The drive gear drives the external sliding door with a rack to open and close.

[0013] The beneficial effects of this utility model are: 1. This power-off locking sliding door operator, through the setting of a self-locking mechanism and a pin mechanism, when the sliding door operator is in the energized state, the electromagnet generates magnetic force to attract the iron lock pin and compress the return spring, causing the iron lock pin to disengage from the pin hole. At this time, the rotating shaft can rotate freely. When a sudden power failure occurs, the electromagnet immediately loses its magnetism, and the return spring quickly pushes the iron lock pin axially out and inserts it into the pin hole of the locking ring, forming the first layer of rigid mechanical locking. At the same time, the worm gear in the self-locking mechanism automatically realizes the second layer of friction transmission locking by virtue of its inherent reverse self-locking characteristics. Thus, through the combined action of the two locking mechanisms, the door body can be absolutely fixed when the power is off, and the sliding risk that may occur if the self-locking is based solely on the worm gear is avoided, significantly improving the safety and reliability of the equipment.

[0014] 2. This power-off locking sliding door operator, through the setting of the unlocking mechanism and clutch mechanism, allows for manual door movement after a power outage. First, insert the locking key into the handle to unlock and pull it outward. When pulled to the maximum position, rotate the handle, causing the sliding block to move along the L-shaped groove to the locking position, pulling the iron lock pin out of the locking ring's pin hole, thus releasing the first layer of mechanical locking. Then, insert the clutch key into the push rod and rotate it. Through the cooperation of the spiral groove and the limit post, the push rod moves axially, compressing the clutch spring and simultaneously causing the clutch key to disengage from the worm gear, disconnecting the worm gear from the rotating shaft. At this time, the rotating shaft and the drive gear can rotate freely, thus enabling manual operation of the drive gear to open and close the door in the event of a power outage. This avoids the safety hazard of being unable to move the door in an emergency due to complete locking by the double locking mechanism, significantly improving the flexibility and emergency reliability of the equipment. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the pin mechanism and unlocking mechanism of this utility model; Figure 3 This is a schematic diagram of the clutch mechanism of this utility model; Figure 4 This is a schematic diagram of the self-locking mechanism of this utility model.

[0017] In the diagram: 1. Outer casing; 2. Rotating shaft; 3. Locking cylinder; 4. Pin mechanism; 401. Electromagnet; 402. Return spring; 403. Iron lock pin; 404. Locking ring; 405. Pin hole; 5. Unlocking mechanism; 501. L-shaped groove; 502. Locking position; 503. Sliding block; 504. Handle; 6. Clutch mechanism; 601. Push rod; 602. Top rod; 603. Clutch key; 604. Clutch spring; 7. Motor; 8. Self-locking mechanism; 801. Worm gear; 802. Worm wheel; 9. Limiting post; 10. Clutch key; 11. Locking key; 12. Drive gear; 13. Upper casing. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0019] like Figure 1-4 As shown, a power-off locking sliding door operator includes an outer housing 1 and a rotating shaft 2. A locking cylinder 3 is connected through the right side of the outer housing 1. A pin mechanism 4 is provided inside the locking cylinder 3. Unlocking mechanisms 5 are symmetrically provided on the outer surface of the locking cylinder 3. A clutch mechanism 6 is rotatably connected inside the rotating shaft 2. The pin mechanism 4 includes an electromagnet 401 disposed inside the locking cylinder 3. A return spring 402 is provided on the left side of the electromagnet 401. An iron lock pin 403 is provided on the left side of the return spring 402. A locking ring 404 is provided on one side of the iron lock pin 403. The surface of the locking ring 404 is opened with... There are several sets of pin holes 405. The unlocking mechanism 5 includes two sets of L-shaped grooves 501 symmetrically opened on the outer surface of the locking cylinder 3. Each set of L-shaped grooves 501 has a locking position 502 on one side. Each set of L-shaped grooves 501 has a sliding block 503 slidably connected inside. Each set of sliding blocks 503 has a handle 504 fixedly connected to one side. The clutch mechanism 6 includes a push rod 601 rotatably connected inside the rotating shaft 2. One end of the push rod 601 is provided with a push rod 602. One end of the push rod 602 is fixedly connected with a clutch key 603. One side of the clutch key 603 is provided with a clutch spring 604. like Figure 4 As shown, a motor 7 is installed at the top of the outer casing 1. The output end of the motor 7, which passes through the top of the outer casing 1, is splinedly connected to a self-locking mechanism 8. The self-locking mechanism 8 includes a worm 801 splinedly connected to the output end of the motor 7, which passes through the top of the outer casing 1. A worm wheel 802 is meshed on one side of the worm 801. The worm wheel 802 is splinedly connected to the surface of the rotating shaft 2. The arrangement of the worm wheel 802 and the worm 801 achieves transmission self-locking and prevents the rotating shaft 2 from being driven in the opposite direction by external force. like Figure 2 As shown, several sets of pin holes 405 are evenly distributed along the axial direction of the rotating shaft 2 on the surface of the locking ring 404. The position and size of the iron lock pin 403 are adapted to the position and size of the pin holes 405. The locking ring 404 is fixedly connected to the surface of the rotating shaft 2. Through the setting of the iron lock pin 403 and the pin holes 405, the position of the rotating shaft 2 is mechanically locked in the power-off state. like Figure 3 As shown, two sets of sliding blocks 503 are symmetrically arranged on the outer surface of the iron lock pin 403. The two sets of sliding blocks 503 are slidably connected to the right side of the outer casing 1. The handle 504 is arranged on the right side of the outer casing 1. The sliding blocks 503 serve to constrain and limit the movement of the iron lock pin 403. like Figure 3 As shown, the rotating shaft 2 has a spiral groove on one side of the push rod 601. The surface of the push rod 601 inside the spiral groove is fixedly connected to the limiting post 9. The rotating shaft 2 has a keyway through the surface of the clutch key 603. The spiral groove and the limiting post 9 together push the push rod 602 forward. like Figure 3 As shown, a clutch key 10 is inserted into one side of the push rod 601, and a locking key 11 is inserted into one side of the handle 504. The locking key 11 enhances security. like Figure 1 As shown, the rotating shaft 2 is rotatably connected to the opposite side of the outer casing 1. The left end of the rotating shaft 2 is splined with a drive gear 12. The upper casing 13 is provided on the top of the outer casing 1. The drive gear 12 drives the external sliding door with rack and pinion to open and close.

[0020] The working principle of this utility model is as follows: When the sliding door motor is powered on, the electromagnet 401 generates magnetic force to attract the iron lock pin 403 and compress the return spring 402, causing the iron lock pin 403 to disengage from the pin hole 405. At this time, the rotating shaft 2 can rotate freely. When the power is suddenly cut off, the electromagnet 401 immediately loses its magnetism, and the return spring 402 quickly pushes the iron lock pin 403 to pop out axially and insert it into the pin hole 405 of the locking ring 404, forming the first rigid mechanical locking. At the same time, the worm gear 802 and worm 801 in the self-locking mechanism 8 automatically realize the second friction transmission locking by virtue of their inherent reverse self-locking characteristics.

[0021] When the door needs to be moved manually after a power outage, first insert the locking key 11 into the handle 504 to unlock it and pull it outwards. When it is pulled to the maximum position, rotate it to move the sliding block 503 along the L-shaped groove 501 to the locking position 502, and pull the iron lock pin 403 out of the pin hole 405 of the locking ring 404 to release the first mechanical lock. Then insert the clutch key 10 into the push rod 601 and rotate it. Through the cooperation of the spiral groove and the limit post 9, the top rod 602 drives the push rod 601 to move axially, compressing the clutch spring 604 and driving the clutch key 603 to disengage from the worm gear 802, disconnecting the worm gear 802 from the rotating shaft 2. At this time, the rotating shaft 2 and the drive gear 12 can rotate freely.

[0022] The above description provides a detailed account of one embodiment of the present invention. However, this description is merely a preferred embodiment and should not be construed as limiting the scope of the present invention. All equivalent variations and improvements made within the scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A power-off lock sliding door machine comprising an outer casing (1) and a rotating shaft (2), characterized in that: A locking cylinder (3) is connected through the right side of the outer casing (1). A pin mechanism (4) is provided inside the locking cylinder (3). An unlocking mechanism (5) is symmetrically provided on the outer surface of the locking cylinder (3). A clutch mechanism (6) is rotatably connected inside the rotating shaft (2). The pin mechanism (4) includes an electromagnet (401) disposed inside the locking cylinder (3). A return spring (402) is disposed on the left side of the electromagnet (401). An iron lock pin (403) is disposed on the left side of the return spring (402). A locking ring (404) is disposed on one side of the iron lock pin (403). Several sets of pin holes (405) are opened on the surface of the locking ring (404). The unlocking mechanism (5) includes two sets of L-shaped grooves (501) symmetrically opened on the outer surface of the locking cylinder (3). Each set of L-shaped grooves (501) has a locking position (502) on one side. Each set of L-shaped grooves (501) has a sliding block (503) slidably connected inside. Each set of sliding blocks (503) has a handle (504) fixedly connected to one side. The clutch mechanism (6) includes a push rod (601) rotatably connected inside the rotating shaft (2). One end of the push rod (601) is provided with a push rod (602), and one end of the push rod (602) is fixedly connected with a clutch key (603). A clutch spring (604) is provided on one side of the clutch key (603).

2. The power-off locking sliding door operator according to claim 1, characterized in that, A motor (7) is provided at the top of the outer casing (1). The output end of the motor (7) passing through the top of the outer casing (1) is splinedly connected to a self-locking mechanism (8). The self-locking mechanism (8) includes a worm (801) splinedly connected to the output end of the motor (7) passing through the top of the outer casing (1). A worm wheel (802) is meshed on one side of the worm (801). The worm wheel (802) is splinedly connected to the surface of the rotating shaft (2).

3. A machine for sliding lockable doors according to claim 1, characterized in that, Several sets of the pin holes (405) are evenly distributed along the axial direction of the rotating shaft (2) on the surface of the locking ring (404). The position and size of the iron lock pin (403) are adapted to the position and size of the pin holes (405). The locking ring (404) is fixedly connected to the surface of the rotating shaft (2).

4. A machine for sliding lockable doors according to claim 1, characterized in that, Two sets of sliding blocks (503) are symmetrically arranged on the outer surface of the iron lock pin (403). The two sets of sliding blocks (503) are slidably connected to the right side of the outer casing (1). The handle (504) is located on the right side of the outer casing (1).

5. A machine for sliding lockable doors according to claim 1, characterized in that, The rotating shaft (2) has a spiral groove on one side of the push rod (601), and a limit post (9) is fixedly connected to the surface of the push rod (601) inside the spiral groove. The rotating shaft (2) has a keyway through the surface of the clutch key (603).

6. A machine for sliding lockable doors according to claim 1, characterized in that, A clutch key (10) is inserted into one side of the push rod (601), and a locking key (11) is inserted into one side of the handle (504).

7. A machine for sliding lockable doors according to claim 1, characterized in that, The rotating shaft (2) is rotatably connected to the opposite side of the outer casing (1). The left end of the rotating shaft (2) is splined with a drive gear (12). An upper casing (13) is provided above the outer casing (1).

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