A full-range locking device for electric inner swing door

Abstract

The utility model relates to the technical field of electric inner swing doors, and discloses a full-range locking device for electric inner swing doors, comprising an inner swing door frame and main inner swing doors arranged at both sides of an inner cavity of the inner swing door frame, wherein auxiliary inner swing doors are respectively arranged on the inner sides of the main inner swing doors, and the main inner swing door and the auxiliary inner swing door are respectively rotatably connected by hinges, and grooves are respectively provided on one side of the main inner swing door and the auxiliary inner swing door, and the main inner swing door and the auxiliary inner swing door can be locked when closed through the mutual cooperation among the components of a rectangular frame, a hydraulic cylinder, an extrusion block, a trapezoidal block, a vertical plate, a telescopic spring B, an L-shaped moving rod, a rectangular block and an insertion rod, so as to improve the safety of use, and the main inner swing door and the auxiliary inner swing door can be protected through the mutual cooperation among the components of a buffer plate, a telescopic spring A, a hinged rod and a protective plate, so as to prevent passengers from bumping into them and getting injured, thereby achieving a protective effect.

Description

Technical Field

[0001] The utility model relates to the technical field of electric inner swing doors, in particular to a full-range locking device for electric inner swing doors. Background Art

[0002] At present, the doors of buses are usually inward swing doors. When an emergency occurs, such as a fire, it is necessary to activate the emergency device to open the inward swing door for passengers to escape.

[0003] The existing electric inner swing door full-range locking device and the electric inner swing door thereof lack a component for locking the inner swing door when it is closed, which causes the vehicle to shake when driving and affects the tightness of its closure, reducing the safety of the device.

[0004] Therefore, we propose a full-range locking device for an electric inner swing door to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a full-range locking device for an electric inner swing door to solve the problems raised by the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric inner swing door full-range locking device, comprising an inner swing door frame and a main inner swing door arranged at both sides of the inner cavity of the inner swing door frame, the inner sides of the main inner swing door are respectively provided with auxiliary inner swing doors, and the main inner swing door and the auxiliary inner swing door are respectively rotatably connected by hinges, one side of the main inner swing door and the auxiliary inner swing door are respectively provided with grooves, the inner cavities of the grooves are respectively installed with protective components, the top of the inner swing door frame is installed with a transmission component, and a groove is provided in the middle of the front side of the inner swing door frame, and the inner cavity of the groove is installed with a locking component.

[0007] Preferably, pins are movably mounted at the rear sides of the top and bottom of the main inner swing door, and sliding grooves are opened at the middle of the top and bottom of the inner swing door frame, and the outer ends of the pins are movably mounted on the inner walls of the inner cavity of the sliding groove.

[0008] Preferably, guide columns A are movably installed at the rear side of the bottom of the auxiliary inner swing door, and the lower ends of the guide columns A are slidably installed in the inner cavity of the slide groove, and guide columns B are movably installed at the rear side of the top of the auxiliary inner swing door, and an opening is provided in the middle of the top of the inner cavity of the upper slide groove, and the upper ends of the guide columns B extend through the opening to the outside of the inner swing door frame.

[0009] Preferably, the transmission assembly includes an n-shaped plate fixedly installed at the middle of the top of the inner swing door frame and a servo motor fixedly installed at the upper front side of the n-shaped plate, a partition is fixedly installed at the bottom of the servo motor, and the rear side of the partition is fixedly installed on the n-shaped plate, the output end of the servo motor movably extends through the inner cavity of the n-shaped plate, and an active bevel gear is fixedly installed at the output end of the servo motor, and driven bevel gears are respectively meshed on both sides of the active bevel gear, and threaded rods are respectively fixedly installed in the middle of the outer side of the driven bevel gear, and threaded sleeves are respectively threadedly installed on the output shafts of the threaded rods, and the bottoms of the threaded sleeves are respectively movably connected to the upper ends of the guide columns B, and L-shaped rods are respectively fixedly installed on the front sides of the threaded sleeves, and clamping blocks are respectively fixedly installed on the lower ends of the L-shaped rods, and slots are respectively provided on the inner sides of the clamping blocks.

[0010] Preferably, guide plates are fixedly installed on the rear sides of the threaded sleeves, and guide rods are slidably installed on the guide plates. Side panels are movably installed on both ends of the guide rods, and the bottoms of the side panels are fixedly installed on the inner swing door frames, and the outer ends of the threaded rods are movably installed on the side panels.

[0011] Preferably, the locking assembly includes a rectangular frame fixedly installed in the slotted inner cavity and a sealing plate detachably installed in the front side of the rectangular frame, a hydraulic cylinder is fixedly installed in the middle of the rear side of the sealing plate, and an extrusion block is fixedly installed at the power end of the hydraulic cylinder, the bottom of the extrusion block is slidably installed on the inner wall of the inner cavity of the rectangular frame, and trapezoidal blocks are respectively fitted on both sides of the extrusion block, and L-shaped moving rods are respectively fixedly installed on the top of the trapezoidal block, moving openings are respectively opened on both sides of the top of the rectangular frame, and one end of the L-shaped moving rod away from the trapezoidal block respectively passes through the moving opening and extends to the outside of the rectangular frame, one end of the L-shaped moving rod away from the trapezoidal block is respectively fixedly installed with a rectangular block, and an insertion rod is respectively fixedly installed on the outside of the rectangular block.

[0012] Preferably, vertical plates are respectively arranged on the outer sides of the trapezoidal blocks, and the bottoms of the vertical plates are respectively fixedly mounted on the bottom wall of the inner cavity of the rectangular frame, and the trapezoidal blocks and the vertical plates are elastically connected via telescopic springs B respectively.

[0013] Preferably, the protection assembly includes a buffer plate arranged in the inner cavity of the groove and hinged rods movably installed at four corners of one side of the buffer plate, and the protection plate is movably installed on one end of the hinged rod away from the buffer plate.

[0014] Preferably, the buffer plate is elastically connected to the inner wall of the inner cavity of the groove via a plurality of telescopic springs A.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. Through the cooperation among the rectangular frame, hydraulic cylinder, extrusion block, trapezoidal block, vertical plate, telescopic spring B, L-shaped moving rod, rectangular block and plug rod, the main inner swing door and the auxiliary inner swing door can be locked when closed, thereby improving the safety of their use.

[0017] 2. Through the cooperation between the buffer plate, telescopic spring A, hinged rod and protective plate, the main inner swing door and the auxiliary inner swing door can be protected to prevent passengers from bumping into them and getting injured, thus achieving a protective effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0019] Figure 2 It is a rear side perspective view of the utility model;

[0020] Figure 3 It is a partial cross-sectional stereoscopic view of the utility model;

[0021] Figure 4 It is a partial bottom-up stereoscopic view of the inner-swinging door frame of the utility model;

[0022] Figure 5 It is a partial cross-sectional expanded stereoscopic view of the utility model;

[0023] Figure 6 It is a partial cross-sectional perspective view of the main inner swing door of the utility model;

[0024] Figure 7 It is a partially unfolded three-dimensional diagram of the buffer plate of the utility model;

[0025] Figure 8 For the utility model Figure 5 Enlarged view of point A in the middle.

[0026] In the figure: 1. inner swing door frame; 2. main inner swing door; 21. pin shaft; 3. auxiliary inner swing door; 31. guide column A; 32. guide column B; 4. hinge; 5. protection assembly; 51. buffer plate; 511. telescopic spring A; 52. hinge rod; 53. protection plate; 6. transmission assembly; 61. n-shaped plate; 62. servo motor; 63. active bevel gear; 64. driven bevel gear; 65. threaded rod; 66. threaded sleeve; 661. guide plate; 662. guide rod; 663. side plate; 67. L-shaped rod; 68. clamping block; 7. locking assembly; 71. rectangular frame; 72. hydraulic cylinder; 73. extrusion block; 74. trapezoidal block; 741. vertical plate; 742. telescopic spring B; 75. L-shaped moving rod; 76. rectangular block; 77. plug rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example 1: Please refer to Figure 1-4 , an electric inner swing door full-range locking device comprises an inner swing door frame 1 and a main inner swing door 2 arranged at both sides of the inner cavity of the inner swing door frame 1, and the inner sides of the main inner swing door 2 are respectively provided with auxiliary inner swing doors 3, and the main inner swing door 2 and the auxiliary inner swing door 3 are respectively rotatably connected by hinges 4, and grooves are respectively provided on one side of the main inner swing door 2 and the auxiliary inner swing door 3, and the inner cavities of the grooves are respectively installed with protective components 5, a transmission component 6 is installed on the top of the inner swing door frame 1, and a groove is provided in the middle of the front side of the inner swing door frame 1, and a locking component 7 is installed in the inner cavity of the groove, the protective component 5 plays a role in protecting the main inner swing door 2 and the auxiliary inner swing door 3, and the transmission component 6 is set for the opening and closing of the main inner swing door 2 and the auxiliary inner swing door 3, and the setting of the locking component 7 can lock the main inner swing door 2 and the auxiliary inner swing door 3 after closing, so as to improve the safety of use.

[0029] Pin shafts 21 are movably installed at the rear sides of the top and bottom of the main inner swing door 2, and sliding grooves are respectively opened at the middle of the top and bottom of the inner swing door frame 1. The outer ends of the pin shafts 21 are movably installed on the inner walls of the sliding groove cavities, which play a role in limiting their movement.

[0030] Guide columns A31 are movably installed at the rear side of the bottom of the auxiliary inner swing door 3, and the lower ends of the guide columns A31 are slidably installed in the inner cavity of the slide groove. Guide columns B32 are movably installed at the rear side of the top of the auxiliary inner swing door 3, and an opening is opened in the middle of the top of the upper slide groove inner cavity. The upper ends of the guide columns B32 extend through the opening to the outside of the inner swing door frame 1, thereby playing the role of movable limiting of the auxiliary inner swing door 3.

[0031] The transmission assembly 6 includes an n-shaped plate 61 fixedly installed at the middle of the top of the inner swing door frame 1 and a servo motor 62 fixedly installed at the upper front side of the n-shaped plate 61, a partition is fixedly installed at the bottom of the servo motor 62, and the rear side of the partition is fixedly installed on the n-shaped plate 61, the output end of the servo motor 62 movably extends through the inner cavity of the n-shaped plate 61, and an active bevel gear 63 is fixedly installed at the output end of the servo motor 62, and driven bevel gears 64 are respectively meshed on both sides of the active bevel gear 63, and threaded rods 65 are respectively fixedly installed in the middle of the outer side of the driven bevel gear 64, and threaded sleeves 66 are respectively threadedly installed on the output shafts of the threaded rods 65, and the bottoms of the threaded sleeves 66 are respectively movably connected to the upper ends of the guide columns B32, and L-shaped rods 67 are respectively fixedly installed on the front sides of the threaded sleeves 66, and clamping blocks 68 are respectively fixedly installed at the lower ends of the L-shaped rods 67, and slots are respectively provided on the inner sides of the clamping blocks 68, so as to realize the opening and closing of the main inner swing door 2 and the auxiliary inner swing door 3.

[0032] A guide plate 661 is fixedly installed on the rear side of the threaded sleeve 66, and a guide rod 662 is slidably installed on the guide plate 661. Side plates 663 are movably installed on both ends of the guide rod 662, and the bottoms of the side plates 663 are fixedly installed on the inner swing door frame 1. The outer ends of the threaded rod 65 are movably installed on the side plates 663, which play a role in guiding and limiting the threaded sleeve 66.

[0033] The locking assembly 7 includes a rectangular frame 71 fixedly installed in the slotted inner cavity and a sealing plate detachably installed in the front side of the rectangular frame 71, a hydraulic cylinder 72 is fixedly installed in the middle of the rear side of the sealing plate, and an extrusion block 73 is fixedly installed at the power end of the hydraulic cylinder 72, the bottom of the extrusion block 73 is slidably installed on the inner wall of the inner cavity of the rectangular frame 71, and trapezoidal blocks 74 are respectively fitted on both sides of the extrusion block 73, and L-shaped moving rods 75 are respectively fixedly installed on the top of the trapezoidal blocks 74, and moving openings are respectively opened on both sides of the top of the rectangular frame 71, and the ends of the L-shaped moving rods 75 away from the trapezoidal blocks 74 extend to the outside of the rectangular frame 71 through the moving openings, and the ends of the L-shaped moving rods 75 away from the trapezoidal blocks 74 are respectively fixedly installed with rectangular blocks 76, and the outer sides of the rectangular blocks 76 are respectively fixedly installed with plug rods 77, which can lock the main inner swing door 2 and the auxiliary inner swing door 3 after closing.

[0034] Vertical plates 741 are respectively provided on the outer sides of the trapezoidal blocks 74, and the bottoms of the vertical plates 741 are respectively fixedly mounted on the bottom wall of the inner cavity of the rectangular frame 71. The trapezoidal blocks 74 and the vertical plates 741 are elastically connected by telescopic springs B742, so that the trapezoidal blocks 74 can be moved and restored.

[0035] In this embodiment: when in use, the operation of the servo motor 62 drives the active bevel gear 63 to rotate, and the active bevel gear 63 rotates, which drives the driven bevel gear 64 to rotate, and the driven bevel gear 64 rotates, which drives the threaded rod 65 to rotate, and the threaded rod 65 rotates, which drives the threaded sleeve 66 to move relatively, and the threaded sleeve 66 moves relatively, which drives the auxiliary inner swing door 3 to move inward through the guide column B32, thereby realizing the closing of the main inner swing door 2 and the auxiliary inner swing door 3, and the servo motor 62 can be stopped after closing. The hydraulic cylinder 72 is then operated to drive the extrusion block 73 to move backward. The extrusion block 73 moving backward will squeeze the trapezoidal block 74. The trapezoidal block 74 will move outward and squeeze the telescopic spring B742. When the trapezoidal block 74 moves outward, it will drive the rectangular block 76 to move outward through the L-shaped moving rod 75. When the rectangular block 76 moves outward, it will drive the insertion rod 77 to move outward and insert them into the inner cavity of the slot respectively, thereby playing a locking role. At this time, the hydraulic cylinder 72 can be stopped, otherwise the lock can be released.

[0036] Embodiment 2: This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 1-3 and Figure 6-7 The protective assembly 5 includes a buffer plate 51 arranged in the inner cavity of the groove and hinged rods 52 movably installed at the four corners of one side of the buffer plate 51. A protective plate 53 is movably installed on one end of the hinged rod 52 away from the buffer plate 51, which can play a role in protecting the main inner swing door 2 and the auxiliary inner swing door 3.

[0037] The buffer plate 51 is elastically connected to the inner wall of the inner cavity of the groove via a plurality of telescopic springs A511, and the telescopic springs A511 are damping telescopic springs that play a buffering role.

[0038] In this embodiment: the protective plate 53 can play a protective role, and the telescopic spring A511 can play a buffering role during a collision.

[0039] Working principle: When in use, the operation of the servo motor 62 drives the active bevel gear 63 to rotate, and the rotation of the active bevel gear 63 drives the driven bevel gear 64 to rotate, and the rotation of the driven bevel gear 64 drives the threaded rod 65 to rotate, and the rotation of the threaded rod 65 drives the threaded sleeve 66 to move relatively, and the threaded sleeve 66 moves relatively, and drives the auxiliary inner swing door 3 to move inward through the guide column B32, so as to realize the closing of the main inner swing door 2 and the auxiliary inner swing door 3. After closing, the servo motor 62 can be stopped, and then the hydraulic cylinder 72 is operated to drive the extrusion block 73 When moving backward, the extrusion block 73 moves backward to squeeze the trapezoidal block 74, and the trapezoidal block 74 moves outward and squeezes the telescopic spring B742. When the trapezoidal block 74 moves outward, it will drive the rectangular block 76 to move outward through the L-shaped moving rod 75. When the rectangular block 76 moves outward, it will drive the insertion rod 77 to move outward and insert them into the inner cavity of the slot respectively, thereby playing a locking role. At this time, the hydraulic cylinder 72 can be stopped, otherwise the lock can be released, and the protective plate 53 can play a protective role, and the telescopic spring A511 can play a buffering role in collision.

[0040] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electric inner swing door full-range locking device, comprising an inner swing door frame (1) and main inner swing doors (2) arranged on both sides of the inner cavity of the inner swing door frame (1), characterized in that: A secondary inner swing door (3) is provided on the inner side of the main inner swing door (2), and the main inner swing door (2) and the secondary inner swing door (3) are rotatably connected via hinges (4). A groove is provided on one side of the main inner swing door (2) and the secondary inner swing door (3), and a protective component (5) is installed in the inner cavity of the groove. A transmission component (6) is installed on the top of the inner swing door frame (1), and a groove is provided in the middle of the front side of the inner swing door frame (1), and a locking component (7) is installed in the inner cavity of the groove.

2. The electric inner swing door full-range locking device according to claim 1, characterized in that: A pin shaft (21) is movably mounted at the rear side of the top and bottom of the main inner swing door (2), and a slide groove is provided at the middle of the top and bottom of the inner swing door frame (1), and the outer end of the pin shaft (21) is movably mounted on the inner wall of the inner cavity of the slide groove.

3. The electric inner swing door full-range locking device according to claim 1, characterized in that: A guide column A (31) is movably mounted on the rear side of the bottom of the auxiliary inner swing door (3), and the lower end of the guide column A (31) is slidably mounted in the inner cavity of the slide groove. A guide column B (32) is movably mounted on the rear side of the top of the auxiliary inner swing door (3), and an opening is provided in the middle of the top of the inner cavity of the upper slide groove, and the upper end of the guide column B (32) extends through the opening to the outside of the inner swing door frame (1).

4. The electric inner swing door full-range locking device according to claim 1, characterized in that: The transmission assembly (6) comprises an n-shaped plate (61) fixedly mounted at the middle of the top of the inner swing door frame (1) and a servo motor (62) fixedly mounted at the upper front side of the n-shaped plate (61); a partition is fixedly mounted at the bottom of the servo motor (62); the rear side of the partition is fixedly mounted on the n-shaped plate (61); the output end of the servo motor (62) movably extends through the inner cavity of the n-shaped plate (61); and an active bevel gear (63) is fixedly mounted at the output end of the servo motor (62); A driven bevel gear (64) is meshed on both sides, a threaded rod (65) is fixedly mounted on the middle of the outer side of the driven bevel gear (64), a threaded sleeve (66) is threadedly mounted on the output shaft of the threaded rod (65), the bottom of the threaded sleeve (66) is movably connected to the upper end of the guide column B (32), and an L-shaped rod (67) is fixedly mounted on the front side of the threaded sleeve (66), and a clamping block (68) is fixedly mounted on the lower end of the L-shaped rod (67), and a slot is respectively opened on the inner side of the clamping block (68).

5. The electric inner swing door full-range locking device according to claim 4, characterized in that: A guide plate (661) is fixedly mounted on the rear side of the threaded sleeve (66), and a guide rod (662) is slidably mounted on the guide plate (661). Side plates (663) are movably mounted on both ends of the guide rod (662), and the bottoms of the side plates (663) are fixedly mounted on the inner swing door frame (1), and the outer ends of the threaded rod (65) are movably mounted on the side plates (663).

6. The electric inner swing door full-range locking device according to claim 1, characterized in that: The locking assembly (7) comprises a rectangular frame (71) fixedly mounted in the slotted inner cavity and a sealing plate detachably mounted in the front side of the rectangular frame (71); a hydraulic cylinder (72) is fixedly mounted in the middle of the rear side of the sealing plate, and an extrusion block (73) is fixedly mounted on the power end of the hydraulic cylinder (72); the bottom of the extrusion block (73) is slidably mounted on the inner wall of the inner cavity of the rectangular frame (71), and trapezoidal blocks (74) are respectively fitted and mounted on both sides of the extrusion block (73); an L-shaped moving rod (75) is respectively fixedly mounted on the top of the trapezoidal block (74); moving openings are respectively opened on both sides of the top of the rectangular frame (71); and one end of the L-shaped moving rod (75) away from the trapezoidal block (74) passes through the moving opening and extends to the outside of the rectangular frame (71); one end of the L-shaped moving rod (75) away from the trapezoidal block (74) is respectively fixedly mounted with a rectangular block (76); and an insertion rod (77) is respectively fixedly mounted on the outside of the rectangular block (76).

7. The electric inner swing door full-range locking device according to claim 6, characterized in that: The outer sides of the trapezoidal blocks (74) are respectively provided with vertical plates (741), and the bottoms of the vertical plates (741) are respectively fixedly mounted on the bottom wall of the inner cavity of the rectangular frame (71), and the trapezoidal blocks (74) and the vertical plates (741) are elastically connected via telescopic springs B (742).

8. The electric inner swing door full-range locking device according to claim 1, characterized in that: The protection assembly (5) comprises a buffer plate (51) arranged in the inner cavity of the groove and hinged rods (52) movably mounted at four corners of one side of the buffer plate (51), and a protection plate (53) is movably mounted on one end of the hinged rod (52) away from the buffer plate (51).

9. The electric inner swing door full-range locking device according to claim 8, characterized in that: The buffer plate (51) is elastically connected to the inner wall of the inner cavity of the groove via a plurality of telescopic springs A (511).

Images