Anti-pressing device of electric rolling door
By designing an accessible emergency stop base, sealing buffer rod, and storage buffer structure on the electric roller door, the problems of insufficient emergency stop, sealing, and buffering effect of the electric roller door are solved, thus improving safety and convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUXI FEILONG DOOR IND CO LTD
- Filing Date
- 2025-04-01
- Publication Date
- 2026-04-21
AI Technical Summary
Existing electric roller doors suffer from problems such as inconvenience in emergency stopping, difficulty in improving the sealing and buffering effect of the anti-pressure mechanism.
An anti-pressure device was designed, comprising an accessible emergency stop base frame structure, an auxiliary sealing buffer rod structure, and a retractable buffer auxiliary frame structure. Emergency stop is achieved through a contact switch, and the sealing sleeve and buffer rod are used to improve sealing and buffering effect.
It enables emergency stopping of electric roller doors, improves sealing and buffering effects, prevents damage, and enhances safety and convenience of use.
Smart Images

Figure CN224149474U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of electric rolling door equipment, and in particular relates to an anti-pressure device for electric rolling doors. Background Technology
[0002] Currently, most electric roller doors widely used in buildings are composed of multiple interlocking metal panels or frame strips. Although electric roller doors are very convenient to use, their heavy weight often causes accidents such as crushing people or damaging property due to operator negligence when closing. Therefore, anti-pinch mechanisms are required during use. However, existing anti-pinch structures for electric roller doors have problems such as inconvenience in emergency stopping, inconvenience in improving the sealing effect of the bottom of the electric roller door during anti-pinch, and inconvenience in buffering the electric roller door during anti-pinch. Utility Model Content
[0003] To address the aforementioned technical problems, this utility model provides an anti-pressure device for electric rolling doors. This device includes an anti-pressure contact switch mechanism for easy emergency stop during anti-pressure operation, improvements to the bottom of the electric rolling door to enhance sealing, and a buffer mechanism to provide cushioning space during anti-pressure operation.
[0004] An anti-pinch device for an electric rolling door includes a rolling door track, with the left and right ends of an electric rolling door respectively inserted into the track; fixing plates are bolted to the bottom of the left and right ends of the electric rolling door; a first base plate is bolted to the bottom between the fixing plates; a push rod is bolted to the middle of the front surface of the first base plate; the first base plate has an accessible emergency stop base frame structure at its bottom end; an auxiliary sealing buffer rod structure is connected to the bottom end of the accessible emergency stop base frame structure; and a retractable buffer auxiliary frame structure is provided on a portion of the front surface of the rolling door track.
[0005] Preferably, the accessible emergency stop chassis structure includes a chassis, with T-shaped fixing seats inserted into the left and right ends of the chassis; a first connecting plate is bolted between the T-shaped fixing seats; a T-shaped contact rod passes through the middle of the first connecting plate; a contact switch is bolted to the bottom end of each T-shaped fixing seat; and springs are fixed to the left and right sides of the upper end of each T-shaped fixing seat.
[0006] Preferably, the auxiliary sealing buffer rod structure includes a connecting frame, and a support block is bolted inside the connecting frame; a sealing sleeve is sleeved on the outer wall of the connecting frame and the support block; a second base plate is glued to the middle position of the bottom of the inner part of the sealing sleeve; and a T-shaped push frame is bolted to the middle position of the upper part of the second base plate.
[0007] Preferably, the retractable buffer auxiliary frame structure includes a second connecting plate, the left end of which is bolted to the rear right end of the U-shaped guide frame; the front end of the U-shaped guide frame is bolted to the inner wall of the rear end of the storage frame; and reinforcing rods are bolted to the upper right and lower right sides of the storage frame, respectively.
[0008] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0009] 1. In this utility model, the electric roller door, base frame, T-shaped fixing seat, first connecting plate, T-shaped contact rod, contact switch and spring are arranged in a cooperative manner, which is beneficial to achieve the purpose of anti-pressure by touching the contact switch and stopping the device in an emergency during use.
[0010] 2. In this utility model, the electric roller door, base frame, connecting frame, support block, sealing sleeve, second base plate and T-shaped push frame are arranged in a cooperative manner, which is beneficial to the sealing work through the sealing sleeve during use, and at the same time, the second base plate and T-shaped push frame cooperate to realize the triggering work during the anti-pressure process.
[0011] 3. In this utility model, the cooperative arrangement of the roller door track, the second connecting plate, the U-shaped guide frame, the storage rack, and the reinforcing rod facilitates the connection between the U-shaped guide frame and the roller door track during the anti-pressure process. This allows the electric roller door to be stored and buffered during the emergency stop of the anti-pressure process, preventing damage to the electric roller door during the anti-pressure process. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model.
[0013] Figure 2 This is a schematic diagram of the accessible emergency stop chassis structure of this utility model.
[0014] Figure 3 This is a schematic diagram of the auxiliary sealing buffer rod structure of this utility model.
[0015] Figure 4 This is a structural diagram of the retractable buffer auxiliary frame structure of this utility model.
[0016] In the picture:
[0017] 1. Roller door track; 2. Electric roller door; 3. Fixing plate; 4. First base plate; 5. Push rod; 6. Accessible emergency stop base frame structure; 61. Base frame; 62. T-shaped fixing seat; 63. First connecting plate; 64. T-shaped contact rod; 65. Contact switch; 66. Spring; 7. Auxiliary sealing buffer rod structure; 71. Connecting frame; 72. Support block; 73. Sealing sleeve; 74. Second base plate; 75. T-shaped push frame; 8. Retractable buffer auxiliary frame structure; 81. Second connecting plate; 82. U-shaped guide frame; 83. Storage rack; 84. Reinforcing rod. Detailed Implementation
[0018] The present invention will now be described in detail with reference to the accompanying drawings, as shown below. Figure 1 and attached Figure 2 As shown, an anti-pinch device for an electric roller door includes a roller door track 1, an electric roller door 2, a fixing plate 3, a first base plate 4, a push rod 5, an accessible emergency stop base frame structure 6, an auxiliary sealing buffer rod structure 7, and a retractable buffer auxiliary frame structure 8. The left and right ends of the electric roller door 2 are respectively inserted into the inside of the roller door track 1. The fixing plate 3 is bolted to the bottom of the left and right ends of the electric roller door 2. The first base plate 4 is bolted to the bottom between the fixing plates 3. The push rod 5 is bolted to the middle of the front surface of the first base plate 4. The accessible emergency stop base frame structure 6 is provided at the bottom end of the first base plate 4. The auxiliary sealing buffer rod structure 7 is connected to the bottom end of the accessible emergency stop base frame structure 6. The retractable buffer auxiliary frame structure 8 is provided on the front surface of the roller door track 1. The accessible emergency stop base frame structure 6 includes a base frame 61, a T-shaped fixing... The system comprises a fixed base 62, a first connecting plate 63, a T-shaped contact rod 64, a contact switch 65, and a spring 66. T-shaped fixed bases 62 are inserted into the left and right ends of the base frame 61. The first connecting plate 63 is bolted between the T-shaped fixed bases 62. The T-shaped contact rod 64 passes through the middle of the first connecting plate 63. The contact switch 65 is bolted to the bottom end of each T-shaped fixed base 62. Springs 66 are fixed to the left and right sides of the upper end of each T-shaped fixed base 62. In use, the roller door track 1 is installed and fixed in a suitable position on the inner wall of the doorway. Then, the electric roller door 2 is installed. During use, the base frame 61 is connected to the bottom end of the electric roller door 2, and the contact switch 65 is connected to the control power supply of the electric roller door 2. During anti-pressure operation, touching the contact switch 65 enables the electric roller door 2 to stop suddenly.
[0019] In this implementation plan, in conjunction with the appendix Figure 3As shown, the auxiliary sealing buffer rod structure 7 includes a connecting frame 71, a support block 72, a sealing sleeve 73, a second base plate 74, and a T-shaped push frame 75. The support block 72 is fixed to the inside of the connecting frame 71 by bolts. The sealing sleeve 73 is sleeved on the outer wall of the connecting frame 71 and the support block 72. The second base plate 74 is glued to the middle position of the bottom of the sealing sleeve 73. The T-shaped push frame 75 is fixed to the middle position of the upper end of the second base plate 74 by bolts. When there is a person or object below the electric roller door 2 during operation, the bottom end of the sealing sleeve 73 contacts the ground, and then pushes the second base plate 74 and the T-shaped push frame 75. The T-shaped push frame 75 pushes the contact switch 65 to achieve emergency stop. If there is no object, the bottom end of the sealing sleeve 73 contacts the ground to achieve sealing of the electric roller door 2 during use.
[0020] In this implementation plan, in conjunction with the appendix Figure 4 As shown, the retractable buffer auxiliary frame structure 8 includes a second connecting plate 81, a U-shaped guide frame 82, a storage frame 83, and a reinforcing rod 84. The left end of the second connecting plate 81 is bolted to the rear right end of the U-shaped guide frame 82; the front end of the U-shaped guide frame 82 is bolted to the inner rear end of the storage frame 83; the upper right side and lower right side of the storage frame 83 are respectively bolted with reinforcing rods 84. During the anti-pressure emergency stop process, the U-shaped guide frame 82 is connected to the roller door track 1. Then, during the anti-pressure process, it bends through the connection of the electric roller door 2 and enters the interior of the U-shaped guide frame 82 and the storage frame 83, thereby achieving the purpose of anti-pressure buffering and protecting the electric roller door 2, thus completing the anti-pressure purpose.
[0021] In this embodiment, specifically, the push rod 5 is a U-shaped stainless steel rod; the gap between the fixing plate 3 and the first base plate 4 is welded together.
[0022] In this embodiment, specifically, the T-shaped contact rod 64 penetrates the middle of the base frame 61; the contact switch 65 penetrates the bottom left and right sides of the base frame 61 respectively.
[0023] In this embodiment, specifically, the upper end of the base frame 61 is bolted to the left and right sides of the bottom end of the first base plate 4 and the bottom end of the fixing plate 3, respectively; the upper end of the spring 66 is respectively in contact with the bottom end of the first base plate 4; and the two ends of the base frame 61 are slidably inserted into the inside of the roller door track 1.
[0024] In this embodiment, specifically, the upper end of the connecting frame 71 is bolted to the left and right sides of the bottom end of the base frame 61; the connecting frame 71 and the support block 72 are slidably inserted into the inside of the rolling door track 1; the T-shaped push frame 75 is located at the lower middle position of the base frame 61; the bottom end of the T-shaped contact rod 64 contacts the upper middle position of the T-shaped push frame 75.
[0025] In this embodiment, specifically, the storage rack 83 is a U-shaped stainless steel frame with a shield welded to the front end; through holes are respectively opened inside the second connecting plate 81 and the reinforcing rod 84.
[0026] In this embodiment, specifically, the second connecting plate 81 and the reinforcing rod 84 are respectively bolted to the upper part of the front surface of the roller door track 1; the U-shaped guide frame 82 passes through the upper part of the front surface of the roller door track 1 and is connected.
[0027] Working principle
[0028] In this utility model, during use, the roller door track 1 is installed and fixed in a suitable position on the inner wall of the doorway, and then the electric roller door 2 is installed. During use, the base frame 61 is connected to the bottom of the electric roller door 2, and the contact switch 65 is connected to the control power supply of the electric roller door 2. During the anti-pressure process, the electric roller door 2 can be stopped by touching the contact switch 65. When there are people or objects under the electric roller door 2 during operation, the bottom end of the sealing sleeve 73 contacts the ground, and then pushes the second base plate 74 and the T-shaped push frame 75. The T-shaped push frame 75 pushes the contact switch 65 to achieve the emergency stop. If there are no objects, the bottom end of the sealing sleeve 73 contacts the ground to achieve the sealing operation of the electric roller door 2 during use. During the anti-pressure emergency stop, the U-shaped guide frame 82 is connected to the roller door track 1. During the anti-pressure process, the guide frame 82 bends through the connection of the electric roller door 2 and enters the interior of the U-shaped guide frame 82 and the storage frame 83, achieving the purpose of anti-pressure buffering and protecting the electric roller door 2, thereby completing the anti-pressure purpose.
[0029] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solution described in this utility model, or by designing a similar technical solution inspired by the technical solution of this utility model, falls within the protection scope of this utility model.
Claims
1. A pressure-resistant device for an electric roller door, comprising a roller door track (1), wherein the left and right ends of an electric roller door (2) are respectively inserted into the inside of the roller door track (1); fixing plates (3) are respectively bolted to the bottom of the left and right ends of the electric roller door (2); a first base plate (4) is bolted to the bottom between the fixing plates (3); a push rod (5) is bolted to the middle position of the front surface of the first base plate (4); characterized in that, The first base plate (4) of the electric roller door anti-pressure device is provided with an accessible emergency stop base frame structure (6) at its bottom end; the accessible emergency stop base frame structure (6) is connected to an auxiliary sealing buffer rod structure (7) at its bottom end; and a retractable buffer auxiliary frame structure (8) is provided on the front surface of the roller door track (1).
2. The anti-trapping device for a motorized roll door according to claim 1, wherein, The accessible emergency stop chassis structure (6) includes a chassis (61), with T-shaped fixing seats (62) inserted into the left and right ends of the chassis (61); a first connecting plate (63) is bolted between the T-shaped fixing seats (62); a T-shaped contact rod (64) passes through the middle of the first connecting plate (63); a contact switch (65) is bolted to the bottom end of the T-shaped fixing seat (62); and springs (66) are fixed to the left and right sides of the upper end of the T-shaped fixing seat (62).
3. The anti-trapping device for a motorized roll-up door according to claim 1, wherein The auxiliary sealing buffer rod structure (7) includes a connecting frame (71), and a support block (72) is fixed inside the connecting frame (71) with bolts; a sealing sleeve (73) is sleeved on the outer wall of the connecting frame (71) and the support block (72); a second base plate (74) is glued to the middle position of the bottom of the inner side of the sealing sleeve (73); a T-shaped pusher frame (75) is fixed to the middle position of the upper side of the second base plate (74) with bolts.
4. The anti-trapping device for a motorized roll-up door according to claim 1, wherein The retractable buffer auxiliary frame structure (8) includes a second connecting plate (81), the left end of which is bolted to the rear right end of the U-shaped guide frame (82); the front end of the U-shaped guide frame (82) is bolted to the inner wall of the rear end of the storage frame (83); and the upper right side and lower right side of the storage frame (83) are respectively bolted with reinforcing rods (84).
5. The anti-trapping device for a motorized roll-up door according to claim 2, wherein The upper end of the base frame (61) is bolted to the left and right sides of the bottom end of the first base plate (4) and the bottom end of the fixing plate (3); the upper end of the spring (66) is respectively in contact with the bottom end of the first base plate (4); the two ends of the base frame (61) are slidably inserted into the inside of the roller door track (1).
6. The anti-trapping device of a motorized roller door according to claim 3, wherein, The connecting frame (71) and the support block (72) are slidably inserted into the inside of the rolling door track (1).
7. The anti-trapping device of a motorized roller door according to claim 4, wherein, The second connecting plate (81) and the reinforcing rod (84) are respectively bolted to the upper part of the front surface of the rolling door track (1); the U-shaped guide frame (82) passes through the upper part of the front surface of the rolling door track (1) and is connected.