Emergency device for electrically switching on and off a door clutch

By designing an emergency clutch switching device for electric doors, manual control is achieved in case of motor failure through the sliding connection between the turntable and the T-block. This solves the problem of convenient opening and closing of electric doors in emergency situations and improves the stability and convenience of electric doors.

CN224379647UActive Publication Date: 2026-06-19TIANSHUI BOHUA IND & TRADE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TIANSHUI BOHUA IND & TRADE CO LTD
Filing Date
2025-05-22
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing electric door clutch switching devices are inconvenient to use in emergency situations, especially since separating the elastic boss from the positioning hole requires tools, and the door cannot be manually controlled when the motor fails.

Method used

An emergency device for switching the clutch of an electric door was designed, including components such as a bottom frame, an inner frame, a lead screw driver, a turntable, and a T-shaped shaft. The door can be manually controlled to open and close when the motor fails through the sliding connection between the turntable and the T-shaped block, and electric control can be achieved through the screw engagement between the inner frame and the sliding frame seat.

Benefits of technology

In case of motor failure, the door can be easily opened and closed manually, simplifying operation in emergency situations and improving the stability and convenience of the electric door.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224379647U_ABST
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Abstract

This utility model relates to the field of electric door technology, specifically an emergency device for switching the clutch of an electric door. It includes a base frame, with an inner frame for support mounted on the inner side of the base frame. An adjustable sliding frame seat and a pull bar body are slidably installed on the inner side of the inner frame. When the motor inside the screw drive body malfunctions, the turntable on the inner circumference of the U-shaped seat can be directly rotated. The turntable rotates and utilizes the arc groove on its surface to engage and slide with the T-shaped block on the outer circumference of the T-shaped shaft. Under the rotational force of the turntable, the T-shaped block slides along the arc groove, thereby driving the T-shaped shaft inserted inside the turntable seat to move. This causes the two sets of T-shaped shafts to move synchronously closer and separate from the pull bar body, facilitating the release of the transmission between the U-shaped seat and the pull bar body. Then, personnel can manually control the opening and closing of the door, and the switching is simple and convenient.
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Description

Technical Field

[0001] This utility model relates to the field of electric door technology, specifically to an emergency device for switching the clutch of an electric door. Background Technology

[0002] Electric doors, which are various types of doors driven by motors, play a crucial role in our daily lives. They are safe, aesthetically pleasing, convenient, and efficient, greatly improving our quality of life. Patent number CN201822254194.4 discloses an electric door opening and closing device with a clutch mechanism. This device uses an electric drive to move a pull rod within a receiving groove, indirectly driving a trigger to swing and open / close the door. However, during the use of the clutch switching device, manually pressing the part of the elastic boss protruding from the positioning hole is quite inconvenient, and tools are needed to separate the spring boss from the positioning hole, which is particularly inconvenient in emergency situations. Therefore, we propose an emergency clutch switching device for electric doors. Utility Model Content

[0003] To address the problems in the existing technology, this utility model provides an emergency device for switching the clutch of an electric door.

[0004] The technical solution adopted by this utility model to solve its technical problem is an emergency device for switching the clutch of an electric door, including a base frame. An inner frame for support is assembled on the inner side of the base frame, and an adjustable sliding frame seat and a pull bar body are slidably installed on the inner side of the inner frame. A screw drive body located on the outer side of the base frame is assembled on the outer wall surface of the inner frame. A U-shaped seat for support is assembled on the inner side of the sliding frame seat by bolts, and a disc seat for support is assembled on both sides of the inner periphery of the U-shaped seat. A T-shaped shaft that is inserted and connected to the pull bar body is inserted into the inner side of the disc seat.

[0005] The top surface of the bottom frame is fitted with a protective top cover, and the outer circumference of the T-shaped shaft is integrally constructed with an adjustment T-shaped block. The inner side of the U-shaped seat is rotatably mounted with an adjustment turntable, and the side of the turntable near the T-shaped shaft is provided with an arc-shaped groove that fits with the T-shaped block, and there are two sets of arc-shaped grooves.

[0006] By adopting the above technical solution, during the use of electric doors, the bottom frame and top cover can protect the pull bar body and its built-in hinge trigger, enabling it to operate more stably. At the same time, simply operating the screw drive body can drive its built-in screw to engage with the sliding frame seat in the inner frame, allowing the sliding frame seat to move and drive the pull bar body to move through the U-shaped seat, facilitating the adjustment of the rear trigger and making it convenient to open and close the electric control door.

[0007] When the motor inside the screw drive body malfunctions, the inner circumference of the U-shaped seat can be directly rotated. The rotating seat rotates and uses the arc groove on the surface of the rotating seat to engage and slide with the T-shaped block on the outer circumference of the T-shaped shaft. Under the rotational force of the rotating seat, the T-shaped block slides and moves along the arc groove, thereby driving the T-shaped shaft inserted inside the seat to move. This allows the two sets of T-shaped shafts to move synchronously closer and separate from the pull bar body, facilitating the release of the transmission between the U-shaped seat and the pull bar body. Then, personnel can manually control the opening and closing of the door, and the switching is simple and convenient.

[0008] Specifically, the outer wall surface of the U-shaped seat is integrally constructed with a sliding plate that is slidably connected to the top cover, and a knob that is rotatably installed on the outer wall surface of the sliding plate and is connected to the turntable for transmission.

[0009] By adopting the above technical solution, simply rotating the knob on the outside of the slide plate can drive the turntable inside the U-shaped seat to rotate, making the turntable more convenient to rotate. The slide plate can easily fit into the groove on the top plate and slide to connect, which can improve the stability of the U-shaped seat when it slides with the sliding frame seat.

[0010] Specifically, the inner wall surface of the puller body is fitted with a ceramic ring that is inserted and connected to the T-shaped shaft, and there are two sets of ceramic rings.

[0011] By adopting the above technical solution, the ceramic ring has better lubricity, making it easier for the T-shaped shaft and the ceramic ring to fit together, while reducing the damage caused by friction between the T-shaped shaft and the puller body.

[0012] Specifically, each of the two sets of T-shaped shafts is equipped with a spring seat for support on its opposite side, and a compression spring for pushing the T-shaped shaft to move is assembled between the two sets of spring seats.

[0013] By adopting the above technical solution, the compression spring can conveniently provide reverse thrust to the two sets of T-shaped shafts through the spring seat, so that the T-shaped shafts can pass through the disc seat and be inserted into each other more stably, which facilitates locking between the puller body and the U-shaped seat and the slide frame seat, and facilitates subsequent transmission control.

[0014] Specifically, the T-shaped shaft has a sliding groove for limiting the position on its outer periphery, and there are multiple sets of sliding grooves. The disc base is screwed with a locking pin that matches the sliding groove on its outer periphery.

[0015] By adopting the above technical solution, the locking pins screwed into the outer periphery of the disc base can easily pass through the disc base and engage with the T-shaped shafts inserted inside it. At the same time, they can engage with the sliding grooves on the outer periphery of the T-shaped shaft, which facilitates limiting the sliding displacement of the T-shaped shaft and reduces the possibility of separation between the disc base and the T-shaped shaft.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The technical solution of this application, through the design of the inner frame, the main body of the screw drive, the top cover, the sliding frame seat, and the main body of the pull bar, enables the bottom frame and the top cover to protect the main body of the pull bar and its built-in hinge trigger during the use of the electric door, so that it can operate more stably. At the same time, only the operation of the main body of the screw drive can drive its built-in screw to engage with the sliding frame seat in the inner frame, so that the sliding frame seat can be displaced and drive the pull bar body to be displaced through the U-shaped seat, which facilitates the adjustment of the rear trigger and facilitates the opening and closing of the electric control door.

[0018] 2. The technical solution of this application, through the design of a U-shaped base, a disc base, a T-shaped shaft, a turntable, an arc groove, and a T-shaped block, allows the turntable on the inner circumference of the U-shaped base to be rotated directly when the motor inside the screw drive body fails. This rotation of the turntable allows the arc groove on the surface of the turntable to engage and slide with the T-shaped block on the outer circumference of the T-shaped shaft. Under the rotational force of the turntable, the T-shaped block slides along the arc groove, thereby driving the T-shaped shaft inserted inside the disc base to move. This allows the two sets of T-shaped shafts to move synchronously closer and separate from the puller body, facilitating the release of the transmission between the U-shaped base and the puller body. Subsequently, personnel can manually control the opening and closing of the door, and the switching is simple and convenient. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Figure 1 This is an isometric view of the present invention;

[0021] Figure 2 This is a schematic plan view of the inner side structure of the inner frame of this utility model;

[0022] Figure 3 This is an exploded view of the connection structure between the disc base and the T-shaped shaft of this utility model;

[0023] Figure 4 This is a plan view of the turntable structure of this utility model;

[0024] In the diagram: 1. Base frame; 2. Top cover; 3. Inner frame; 4. Lead screw drive body; 5. Slide frame seat; 6. U-shaped seat; 7. Disc seat; 8. T-shaft; 9. Puller body; 10. Turntable; 11. Arc groove; 12. T-block; 13. Slide plate; 14. Knob; 15. Ceramic ring; 16. Spring seat; 17. Compression spring; 18. Locking pin; 19. Slide groove. Detailed Implementation

[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] Please see Figure 1-4 This utility model provides a technical solution: an emergency device for switching the clutch of an electric door, including a base frame 1, an inner frame 3 for support mounted on the inner side of the base frame 1, and a sliding frame seat 5 and a pull bar body 9 for adjustment slidably mounted on the inner side of the inner frame 3. A screw drive body 4 located on the outer side of the base frame 1 is mounted on the outer wall surface of the inner frame 3. A U-shaped seat 6 for support is mounted on the inner side of the sliding frame seat 5 by bolts, and a disc seat 7 for support is mounted on both sides of the inner periphery of the U-shaped seat 6. A T-shaped shaft 8 that is inserted into the inner side of the disc seat 7 and is connected to the pull bar body 9. A top cover 2 for protection is mounted on the top surface of the base frame 1, and a T-shaped block 12 for adjustment is integrally constructed on the outer periphery of the T-shaped shaft 8. A turntable 10 for adjustment is rotatably mounted on the inner side of the U-shaped seat 6, and an arc groove 11 that fits with the T-shaped block 12 is opened on the side of the turntable 10 near the T-shaped shaft 8, and there are two sets of arc grooves 11.

[0027] When in use, the bottom frame 1 and top cover 2 protect the pull bar body 9 and its built-in hinge trigger during the use of the electric door, making it more stable. At the same time, simply operating the screw drive body 4 can drive its built-in screw to engage with the sliding frame seat 5 in the inner frame 3, allowing the sliding frame seat 5 to move and drive the pull bar body 9 to move through the U-shaped seat 6, which facilitates the adjustment of the rear trigger and makes it convenient to open and close the electric door.

[0028] When the motor inside the screw drive body 4 malfunctions or is damaged, the turntable 10 on the inner circumference of the U-shaped seat 6 can be rotated directly. The turntable 10 rotates and uses the arc groove 11 on the surface of the turntable 10 to engage and slide with the T-shaped block 12 on the outer circumference of the T-shaped shaft 8. Under the rotational force of the turntable 10, the T-shaped block 12 slides and moves along the arc groove 11, thereby driving the T-shaped shaft 8 inserted inside the disc seat 7 to move. This causes the two sets of T-shaped shafts 8 to move closer and separate from the pull bar body 9, making it easy to release the transmission between the U-shaped seat 6 and the pull bar body 9. Then, the personnel can manually control the opening and closing of the door, and the switching is simple and convenient.

[0029] Specifically, the outer wall surface of the U-shaped base 6 is integrally constructed with a sliding plate 13 that is slidably connected to the top cover 2, and a knob 14 that is rotatably installed on the outer wall surface of the sliding plate 13 and is connected to the turntable 10 for transmission.

[0030] In use, simply rotate the knob 14 on the outside of the slide plate 13 to rotate the turntable 10 inside the U-shaped base 6, making it easier for the turntable 10 to rotate. The slide plate 13 can easily fit into the groove on the top plate and slide to improve the stability of the U-shaped base 6 when it slides with the sliding frame base 5.

[0031] Specifically, the inner wall surface of the puller body 9 is fitted with a ceramic ring 15 that is connected to the T-shaped shaft 8, and there are two sets of ceramic rings 15.

[0032] During use, the ceramic ring 15 has good lubricity, which makes it easier for the T-shaped shaft 8 and the ceramic ring 15 to be inserted into each other, while reducing the damage caused by friction between the T-shaped shaft 8 and the puller body 9.

[0033] Specifically, each of the two sets of T-shaped shafts 8 is equipped with a spring seat 16 for support on its opposite side, and a compression spring 17 for pushing the T-shaped shaft 8 to move is installed between the two sets of spring seats 16.

[0034] In use, the compression spring 17 can provide reverse thrust to the two sets of T-shaped shafts 8 through the spring seat 16, so that the T-shaped shafts 8 can pass through the disc seat 7 and be inserted into each other with the puller body 9 more stably. This facilitates locking between the puller body 9 and the U-shaped seat 6 and the slide frame seat 5, which is convenient for subsequent transmission control.

[0035] Specifically, the outer periphery of the T-shaped shaft 8 is provided with a sliding groove 19 for limiting the position, and there are multiple sets of sliding grooves 19. The outer periphery of the disc base 7 is screwed with a locking pin 18 that matches the sliding groove 19.

[0036] In use, the locking pin 18 screwed on the outer periphery of the disc base 7 can easily pass through the disc base 7 and engage with the T-shaped shaft 8 inserted inside it. At the same time, it can engage with the sliding groove 19 on the outer periphery of the T-shaped shaft 8, which can limit the sliding displacement of the T-shaped shaft 8 and reduce the possibility of separation between the disc base 7 and the T-shaped shaft 8.

[0037] The working principle and usage process of this utility model are as follows: In use, first, install the corresponding structural components in appropriate positions. During the use of the electric door, the bottom frame 1 and top cover 2 protect the pull bar body 9 and its built-in hinge trigger, ensuring more stable operation. Simultaneously, simply operating the screw drive body 4 drives its built-in screw to engage with the sliding frame seat 5 in the inner frame 3, allowing the sliding frame seat 5 to move and, through the U-shaped seat 6, drive the pull bar body 9 to move, facilitating the adjustment of the subsequent trigger and conveniently controlling the opening and closing of the electric door. Furthermore, if the motor inside the screw drive body 4 malfunctions or is damaged, it can be directly rotated... The knob 14 on the outer slide plate 13 of the top cover 2 can rotate the turntable 10 on the inner circumference of the U-shaped seat 6. The turntable 10 rotates and the arc groove 11 on its surface engages with the T-shaped block 12 on the outer circumference of the T-shaped shaft 8. Under the rotational force of the turntable 10, the T-shaped block 12 slides along the arc groove 11, thereby driving the T-shaped shaft 8 inserted inside the plate seat 7 to move. This causes the two sets of T-shaped shafts 8 inside the U-shaped seat 6 to move closer and separate from the pull bar body 9, facilitating the release of the transmission between the U-shaped seat 6 and the pull bar body 9. Then, the personnel can manually control the opening and closing of the door, which is simple and convenient.

[0038] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An emergency device for switching the clutch of an electric door, characterized in that, Includes a base frame (1), an inner frame (3) for support is assembled on the inner side of the base frame (1), and a sliding frame seat (5) for adjustment and a puller body (9) are slidably installed on the inner side of the inner frame (3). A screw drive body (4) located outside the base frame (1) is assembled on the outer wall surface of the inner frame (3). A U-shaped seat (6) for support is assembled on the inner side of the sliding frame seat (5) by bolts, and a disc seat (7) for support is assembled on both sides of the inner periphery of the U-shaped seat (6). A T-shaped shaft (8) that is inserted into the inner side of the disc seat (7) and is connected to the puller body (9). The top surface of the bottom frame (1) is fitted with a top cover (2) for protection, and the outer circumference of the T-shaped shaft (8) is integrally constructed with a T-shaped block (12) for adjustment. The inner side of the U-shaped seat (6) is rotatably mounted with a turntable (10) for adjustment, and the side of the turntable (10) near the T-shaped shaft (8) is provided with an arc groove (11) that fits with the T-shaped block (12), and there are two sets of arc grooves (11).

2. The emergency device for switching the clutch of an electric door according to claim 1, characterized in that, The outer wall surface of the swivel base (6) is integrally constructed with a sliding plate (13) that is slidably connected to the top cover (2), and a knob (14) that is rotatably connected to the turntable (10) is mounted on the outer wall surface of the sliding plate (13).

3. The emergency device for switching the clutch of an electric door according to claim 1, characterized in that, The inner wall surface of the puller body (9) is fitted with a ceramic ring (15) that is connected to the T-shaped shaft (8), and there are two sets of ceramic rings (15).

4. The emergency device for switching the clutch of an electric door according to claim 1, characterized in that, Both sets of T-shaped shafts (8) are fitted with spring seats (16) for support on opposite sides, and a compression spring (17) for pushing the T-shaped shafts (8) to move is fitted between the two sets of spring seats (16).

5. The emergency device for switching the clutch of an electric door according to claim 1, characterized in that, The T-shaped shaft (8) has a sliding groove (19) for limiting the position on its outer periphery, and there are multiple sets of sliding grooves (19). The disc base (7) is screwed with a locking pin (18) that matches the sliding groove (19) on its outer periphery.

Citation Information

Patent Citations

  • Electric door opening and closing device with clutch device

    CN210003105U