CN214403175U - Prevent tong mechanism of opening door - Google Patents
Prevent tong mechanism of opening door Download PDFInfo
- Publication number
- CN214403175U CN214403175U CN202022900960.7U CN202022900960U CN214403175U CN 214403175 U CN214403175 U CN 214403175U CN 202022900960 U CN202022900960 U CN 202022900960U CN 214403175 U CN214403175 U CN 214403175U
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- sensor
- cross beam
- point sensor
- dead point
- lifting
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 230000002265 prevention Effects 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
A door opening mechanism preventing hands from being clamped comprises a large frame, a lifting large plate, a small movable baffle, an upper stop sensor, a lower stop sensor, an upper/lower stop trigger piece, a hand clamping preventing sensor, a clamping preventing trigger piece and a driving mechanism, wherein an upper cross beam is arranged at the upper end of the large frame, a lower cross beam is arranged in the middle of the large frame, the lifting large plate is positioned at the rear side of the lower cross beam and can be installed in the large frame in a vertically sliding mode, the power output end of the driving mechanism is connected with the upper end of the lifting large plate through a connecting piece, and the small movable baffle is installed at the lower end of the lifting large plate; the upper stop point sensor, the lower stop point sensor and the anti-pinch sensor are respectively connected with the controller, and the controller is connected with the speed reducing motor. The utility model provides a prevent tong mechanism of opening door, work smoothly does not have great noise, has accomplished safety and has prevented pressing from both sides dual fail-safe.
Description
Technical Field
The utility model belongs to the technical field of the mechanism of opening the door and specifically relates to a prevent tong mechanism of opening the door is related to.
Background
The delivery door mechanism of the hardware equipment of the intelligent garbage classification and recovery system on the market at present mainly comprises an electric flap type door opening mechanism and an electric lifting type door opening mechanism, wherein the transmission of the electric lifting type door opening mechanism mainly comprises a motor, a screw or synchronous wheel synchronous belt, a polished rod matched with a linear bearing, a drawer type guide rail and the like, and the delivery door of the structure has the advantages of large occupied space, complex installation and debugging process, large working noise and large gap shaking of the lifting door. Meanwhile, most of lifting doors in the market do not have a reliable anti-pinch function, and are potential safety hazards for end users.
Disclosure of Invention
In order to overcome the defect that prior art exists, the utility model provides a prevent tong mechanism of opening door, work smoothly does not have great noise, has accomplished safety and has prevented pressing from both sides dual fail-safe.
The utility model provides a technical scheme that its technical problem adopted is:
a door opening mechanism preventing hands from being clamped comprises a large frame, a lifting large plate, a small movable baffle, an upper stop sensor, a lower stop sensor, an upper/lower stop trigger piece, a hand clamping preventing sensor, a clamping preventing trigger piece and a driving mechanism, wherein an upper cross beam is arranged at the upper end of the large frame, a lower cross beam is arranged in the middle of the large frame, the lifting large plate is positioned at the rear side of the lower cross beam and can be installed in the large frame in a vertically sliding mode, the power output end of the driving mechanism is connected with the upper end of the lifting large plate through a connecting piece, and the small movable baffle is installed at the lower end of the lifting large plate;
the driving mechanism comprises a speed reducing motor, a driving shaft, a driven shaft and a tension pulley, the speed reducing motor is mounted on the upper cross beam, the driving shaft and the driven shaft are respectively and rotatably mounted on the upper cross beam and the lower cross beam through belt seat bearings, an output shaft of the speed reducing motor is connected with the driving shaft, the driving shaft is provided with a driving wheel, the driven shaft is provided with a driven wheel, the driving wheel is connected with the driven wheel through a synchronous belt, the tension pulley is in contact with the synchronous belt and mounted on a tension pulley support, the tension pulley support is mounted on the upper cross beam, and the connecting piece is fixed on one side of the synchronous belt through a pressing block; the upper dead point sensor is arranged on the upper cross beam, the lower dead point sensor is positioned right below the upper dead point sensor and arranged on the lower cross beam, the pressing block is provided with an upper/lower dead point triggering sheet, and the upper/lower dead point triggering sheet is positioned between the upper dead point sensor and the lower dead point sensor;
the lower end of the lifting large plate is provided with a fixed block, the movable small baffle plate is provided with a sliding chute at a corresponding position, and the sliding chute is sleeved on the fixed block and can slide up and down; the anti-pinch trigger piece is arranged on the small movable baffle and is positioned right below the anti-pinch sensor;
the upper stop point sensor, the lower stop point sensor and the anti-pinch sensor are respectively connected with the controller, and the controller is connected with the speed reducing motor.
Furthermore, be equipped with n type muscle on the left and right sides of large frame, two vertical linear guide pass through the screw fastening respectively on two guide rail regulation supports, and two guide rail regulation supports pass through guide rail adjusting screw and install respectively on two n type muscle, both ends are equipped with the guide rail slider respectively about the lift big board, the guide rail slider is installed on corresponding vertical linear guide and both form the upper and lower sliding pair.
Still further, the up-down moving stroke of the small movable baffle is 3 centimeters.
The beneficial effects of the utility model are that:
1. the space structure thickness of the whole delivery port is saved, and more installation space is saved for other mechanisms;
2. the speed reducing motor is connected with the driving shaft by adopting a double-diaphragm coupling, the driving shaft, the driven shaft and two ends of the driving shaft are respectively provided with a bearing with a seat, and the large frame and the lifting large plate are connected and driven by adopting a linear guide rail, so that the close matching of the whole mechanism is ensured, the smooth movement is realized, and no large noise is generated;
3. the lifting large plate can be accurately started and stopped at the upper dead point and the lower dead point respectively under the control of the upper dead point sensor and the lower dead point sensor, so that the automatic control of the door opening and closing process is realized;
4. the big lifting plate is also provided with an anti-pinch sensor, the small movable baffle is provided with an anti-pinch trigger piece, if the small movable baffle touches an obstacle in the closing action process, the anti-pinch sensor can be triggered, and at the moment, the speed reduction motor can automatically rotate reversely; and the plastic slide block on the big lifting plate is matched with the plastic chute structure on the small movable baffle plate to form a movable gap of 3 centimeters, so that the movable range of 3 centimeters can be ensured even under the extreme condition that the hand-clamping prevention sensor fails, and the double-safety function of preventing the hands of a user of the equipment is realized;
5. the whole door opening and closing mechanism is an independent module and can be independently assembled and debugged; the modular assembly, debugging and maintenance of the whole garbage recycling equipment are facilitated, the large-scale production and the market putting of the equipment are facilitated, the product reliability is improved, and the enterprise operation cost is reduced.
Drawings
Fig. 1 is a door closing state diagram of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a state diagram of the normal lifting stroke of the present invention.
Fig. 4 is a front view of fig. 3.
Fig. 5 is the state diagram of the anti-pinch sensor triggered in the lifting stroke.
Fig. 6 is a front view of fig. 5.
Fig. 7 is a view showing the door open state of the present invention.
Fig. 8 is a front view of fig. 7.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-8, a prevent tong mechanism of opening door, includes big frame 1, the big board 2 that goes up and down, activity little baffle 3, top dead center sensor 4, bottom dead center sensor 5, go up/bottom dead center trigger piece 6, prevent tong sensor 7, prevent pressing from both sides trigger piece 8 and actuating mechanism, the upper end of big frame 1 is equipped with entablature 9, and the middle part is equipped with bottom end rail 10, the big board 2 that goes up and down is located the rear side of bottom end rail 10 and can install in big frame 1 with sliding from top to bottom, actuating mechanism's power take off end passes through the connecting piece and is connected with the upper end of the big board 2 that goes up and down, the little baffle 3 that goes up and down is installed at the lower extreme of the big board 2 that goes up and down;
the driving mechanism comprises a speed reducing motor 11, a driving shaft 12, a driven shaft 13 and a tension pulley 14, the speed reducing motor 11 is mounted on an upper cross beam 9, the driving shaft 12 and the driven shaft 13 are respectively and rotatably mounted on the upper cross beam 9 and a lower cross beam 10 through belt seat bearings, an output shaft of the speed reducing motor 11 is connected with the driving shaft 12, a driving wheel 15 is arranged on the driving shaft 12, a driven wheel 16 is arranged on the driven shaft 13, the driving wheel 15 is connected with the driven wheel 16 through a synchronous belt 17, the tension pulley 14 is in contact with the synchronous belt 17 and mounted on a tension pulley support 18, the tension pulley support 18 is mounted on the upper cross beam 9, and a connecting piece is fixed on one side of the synchronous belt 17 through a pressing block; the upper dead point sensor 4 is arranged on the upper cross beam 9, the lower dead point sensor 5 is positioned right below the upper dead point sensor 4 and is arranged on the lower cross beam 10, the pressing block is provided with an upper/lower dead point triggering sheet 6, and the upper/lower dead point triggering sheet 6 is positioned between the upper dead point sensor 4 and the lower dead point sensor 5;
a fixed block 19 is arranged at the lower end of the lifting large plate 2, a sliding groove 20 is arranged at the corresponding position of the movable small baffle 3, and the sliding groove 20 is sleeved on the fixed block 19 and can slide up and down; the anti-pinch sensor 7 is positioned above the small movable baffle 3 and is arranged on the middle part of the large lifting plate 2, the small movable baffle 3 is provided with an anti-pinch trigger piece 8, and the anti-pinch trigger piece 8 is positioned right below the anti-pinch sensor 7;
top dead center sensor 4, bottom dead center sensor 5, prevent tong sensor 7 are connected with the controller respectively, and the controller is connected with gear motor 11.
Further, be equipped with n type muscle on the left and right sides of large frame 1, two vertical linear guide 25 pass through the screw fastening respectively on two guide regulation supports 26, and two guide regulation supports 26 pass through guide adjusting screw 27 and install respectively on two n type muscle, both ends are equipped with the guide rail slider respectively about lift big board 2, the guide rail slider is installed on corresponding vertical linear guide 25 and both form the upper and lower sliding pair. The guide rail slide block is connected with the lifting large plate 2 through a screw 28.
Still further, the up-down moving stroke of the small movable baffle 3 is 3 cm.
As shown in fig. 2, the n-shaped rib is welded on the large frame 1, the upper/lower dead point triggering sheet 6 is welded on the connecting piece connected with the lifting large plate 2, and the upper dead point sensor 4 and the lower dead point sensor 5 are respectively installed on the corresponding cross beams through the sensor bracket 21; the fixed block 19 is a plastic fixed block, the chute 20 is a plastic chute, and an up-and-down sliding pair is formed between the plastic chute and the plastic fixed block, so that the movable small baffle 3 can move up and down;
the driving shaft 12 is assembled with a key groove on the driving wheel 15 through a flat key, and the driving shaft 12 and the speed reducing motor are assembled on the upper cross beam 9 through a double-diaphragm coupling 22; the bearings 23 with seats and a sensor bracket on both sides of the driving shaft 12 are also assembled on the upper cross beam 9, and the top dead center sensor 4 is assembled on the sensor bracket; the top of the belt seat bearing 23 is provided with a tension wheel device with adjustable tightness. The driven shaft 13 is assembled with a key groove of the driven wheel 16 through a flat key, two ends of the driven shaft 13 are assembled on a bearing 24 with a seat, the bearing 24 with the seat is assembled on a lower cross beam, and the other sensor support is assembled with a lower dead point sensor 5. The synchronous belt 17 is connected with a connecting piece through a pressing block and a screw.
The utility model discloses a working process does: when the door is closed or the lifting/lowering plate 2 is lowered to the bottom dead center position of the bottom dead center sensor 5, the upper/bottom dead center trigger piece 6 triggers the bottom dead center sensor 5, and the deceleration motor 11 automatically stops working, as shown in fig. 1.
The state of the lifting plate 2 in the normal lifting stroke is shown in fig. 3.
If the small movable baffle plate 3 moves upwards due to the fact that the small movable baffle plate touches an external obstacle in the lifting process of the large lifting plate 2, the anti-pinch trigger piece 8 triggers the anti-pinch sensor 7, the speed reducing motor 11 is considered to be clamped by foreign matters, and the speed reducing motor 11 rotates reversely to release clamping; if the anti-pinch sensor 7 is in an extreme failure state, the small movable baffle 3 still has a free movable stroke of 3 centimeters to prevent hard clamping. As shown in fig. 5.
When the door is opened or the lifting plate 2 is lifted to the top dead center position of the top dead center sensor 4, the top/bottom dead center trigger piece 6 triggers the top dead center sensor 4, and the speed reducing motor 11 also stops working automatically, as shown in fig. 7.
Claims (3)
1. The utility model provides a prevent tong mechanism of opening door which characterized in that: the hand clamping prevention device comprises a large frame, a large lifting plate, a small movable baffle, an upper stop point sensor, a lower stop point sensor, an upper/lower stop point trigger piece, a hand clamping prevention sensor, a clamping prevention trigger piece and a driving mechanism, wherein an upper cross beam is arranged at the upper end of the large frame, a lower cross beam is arranged in the middle of the large frame, the large lifting plate is positioned at the rear side of the lower cross beam and can be installed in the large frame in a vertically sliding manner, the power output end of the driving mechanism is connected with the upper end of the large lifting plate through a connecting piece, and the small movable baffle is installed at the lower end of the large lifting plate;
the driving mechanism comprises a speed reducing motor, a driving shaft, a driven shaft and a tension pulley, the speed reducing motor is mounted on the upper cross beam, the driving shaft and the driven shaft are respectively and rotatably mounted on the upper cross beam and the lower cross beam through belt seat bearings, an output shaft of the speed reducing motor is connected with the driving shaft, the driving shaft is provided with a driving wheel, the driven shaft is provided with a driven wheel, the driving wheel is connected with the driven wheel through a synchronous belt, the tension pulley is in contact with the synchronous belt and mounted on a tension pulley support, the tension pulley support is mounted on the upper cross beam, and the connecting piece is fixed on one side of the synchronous belt through a pressing block; the upper dead point sensor is arranged on the upper cross beam, the lower dead point sensor is positioned right below the upper dead point sensor and arranged on the lower cross beam, the pressing block is provided with an upper/lower dead point triggering sheet, and the upper/lower dead point triggering sheet is positioned between the upper dead point sensor and the lower dead point sensor;
the lower end of the lifting large plate is provided with a fixed block, the movable small baffle plate is provided with a sliding chute at a corresponding position, and the sliding chute is sleeved on the fixed block and can slide up and down; the anti-pinch trigger piece is arranged on the small movable baffle and is positioned right below the anti-pinch sensor;
the upper stop point sensor, the lower stop point sensor and the anti-pinch sensor are respectively connected with the controller, and the controller is connected with the speed reducing motor.
2. The hand-pinch-proof door opening mechanism of claim 1, characterized in that: the large frame is characterized in that n-shaped ribs are arranged on the left side and the right side of the large frame, two vertical linear guide rails are fastened on two guide rail adjusting supports through screws respectively, the two guide rail adjusting supports are installed on the two n-shaped ribs through guide rail adjusting screws respectively, guide rail sliding blocks are arranged at the left end and the right end of the lifting large plate respectively, and the guide rail sliding blocks are installed on the corresponding vertical linear guide rails and form vertical sliding pairs.
3. The door opening mechanism of claim 1 or 2, characterized in that: the up-down moving stroke of the small movable baffle is 3 centimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022900960.7U CN214403175U (en) | 2020-12-04 | 2020-12-04 | Prevent tong mechanism of opening door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022900960.7U CN214403175U (en) | 2020-12-04 | 2020-12-04 | Prevent tong mechanism of opening door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214403175U true CN214403175U (en) | 2021-10-15 |
Family
ID=78037043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022900960.7U Expired - Fee Related CN214403175U (en) | 2020-12-04 | 2020-12-04 | Prevent tong mechanism of opening door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214403175U (en) |
-
2020
- 2020-12-04 CN CN202022900960.7U patent/CN214403175U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |