CN220267484U - Case lid mechanism that opens and shuts - Google Patents
Case lid mechanism that opens and shuts Download PDFInfo
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- CN220267484U CN220267484U CN202320251502.6U CN202320251502U CN220267484U CN 220267484 U CN220267484 U CN 220267484U CN 202320251502 U CN202320251502 U CN 202320251502U CN 220267484 U CN220267484 U CN 220267484U
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- speed reducer
- opening
- closing mechanism
- box
- steering gear
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model relates to a box cover opening and closing mechanism, which effectively solves the problems that the traditional box cover opening and closing is often poor in synchronism and easy to damage; meanwhile, the device can have the functions of opening and closing state self-locking and detecting under the condition of adapting to various extreme environments; meanwhile, the opening and closing mechanism is generally not applicable to the problem of boxes with various sizes, the box cover opening and closing mechanism is arranged through the speed reducer, the steering machine and the crank arms, the speed reducer drives the steering machine simultaneously, the steering machine drives the two-side transmission shafts to move, the rotating shaft transmits power to the two-side turbine speed reducer, the turbine speed reducer drives the screw rod to horizontally drive the crank arms, so that the sliding cover is driven to open and close, the two-side transmission shafts are synchronously controlled by the speed reducer, the synchronous operation of the crank arms at the two sides in the moving process is ensured, the problem that the two sides are not synchronously stuck in the sliding cover operation is avoided, the opening and closing are not synchronous is solved, the opening and closing mechanism is freely adjusted under the condition of only changing the size of the transmission shafts, and the rest structures are unchanged, so that the applicability of the structure is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of box cover opening and closing tools, and particularly relates to a box cover opening and closing mechanism.
Background
Nowadays, the shelter is increasingly required, and an antenna box or other purpose boxes for accommodating an antenna are often arranged at the top of the shelter, so that the operation of opening and closing a box cover is required to be electrically and manually considered due to the fact that the operation is not easy on a roof and the field working environment is complex, but the traditional box cover is often poor in synchronism and easy to damage when the box cover is opened and closed; meanwhile, the device can have the functions of opening and closing state self-locking and detecting under the condition of adapting to various extreme environments; meanwhile, the opening and closing mechanism cannot be widely applied to boxes with various sizes, so that a mechanical mechanism capable of enabling the box cover to be automatically opened and closed is designed while the shelter is ensured not to exceed the height standard.
The utility model discloses an automatic opening and closing mechanism for a box cover, which is disclosed in Chinese patent application publication No. CN106401352B, in particular to an automatic opening and closing mechanism for opening and closing the box cover by rotating around a fixed shaft, and mainly comprises a driving system, a transmission system and an execution system, wherein the driving system mainly comprises a brush direct current servo motor, a speed reducer and a coupler, the driving system is fixed on a speed reducer supporting square cylinder, two sides of the speed reducer supporting square cylinder are respectively fixed with a rotating shaft, the rotating shaft is connected with a supporting frame fixedly connected with a box body, the transmission system comprises a trapezoidal screw rod, a screw nut and accessories thereof, the upper end of the screw rod is connected with an output shaft of the speed reducer through the coupler, the screw nut is fastened on a U-shaped nut bracket, the execution system is a pressing rod fixed on a box cover, the top end of the protruding end of the pressing rod is connected with a shifting fork, and the reciprocating motion of the nut drives the box cover to swing, so that the box cover is opened and closed, the utility model has the advantages of small occupied space, simple structure and easy control, but the size of a square-cabin top antenna box is large, the single in the mode can cause the problems of large single output torque, insufficient thrust and the like.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the box cover opening and closing mechanism, the speed reducer of the box cover opening and closing mechanism drives the steering gear at the same time, the steering gear drives the two side transmission shafts to move, the rotating shaft transmits power to the two side turbine speed reducers, the turbine speed reducers drive the screw rod to horizontally drive the crank arms, so that the sliding cover is driven to open and close, the two side transmission shafts are synchronously controlled by the speed reducer, the synchronous operation of the crank arms at the two sides in the moving process is ensured, the problems of clamping stagnation and open and close asynchronism at the two sides in the sliding cover operation are avoided, the free adjustment is carried out under the condition of only changing the size of the transmission shafts, the other structures are unchanged, and the applicability of the structure is greatly increased.
The utility model provides a case lid opening and closing mechanism, includes the connecting plate of fixed connection in box upper surface one side, the upper surface of connecting plate has the motor through bolted connection, the speed reducer is installed to the output of motor, the output of speed reducer is connected with the steering gear, the output key-type connection of steering gear has the transmission shaft, the transmission shaft is kept away from the one end key-type connection of steering gear has the turbine reducer, one side key-type connection of turbine reducer has the lead screw, the turning arm is installed to one side of box, one side joint of turning arm has the case lid.
Preferably, the bottom of the side face of the box body is connected with a limiting ring through a bolt, and the transmission shaft is clamped on the inner wall of the limiting ring.
Preferably, the bottom joint of case lid side has screw nut, the output key of turbine speed reducer is connected with the lead screw, one side of box is connected with the spacing ring that is used for spacing through the bolt.
Preferably, one side of the upper surface of the box body is connected with a fastening plate through a bolt, the output end of the speed reducer is connected with a hand operating rod in a key manner, and the outer surface of the hand operating rod is clamped on the inner wall of the fastening plate.
Preferably, a screw slide rail is fixedly arranged on one side of the box body, and one side of the box cover slides on the inner wall of the screw slide rail.
Preferably, the inner wall of the fastening plate is provided with a tight block, the outer surface of the hand operating rod is clamped on the inner wall of the tight block, and one end of the hand operating rod is provided with a handle.
The technical scheme has the beneficial effects that:
(1) This case lid mechanism that opens and shuts passes through the speed reducer, turns to the setting of machine and turning arm, and the speed reducer drives simultaneously and turns to the machine, turns to the machine and drives both sides transmission shaft motion, and the axis of rotation gives both sides turbine speed reducer with power transmission, and turbine speed reducer drives lead screw horizontal drive turning arm to order about the sliding closure and open and shut, this structure has guaranteed the final both sides turning arm synchronous operation of motion in-process, has avoided the both sides asynchronous jamming that appears in the sliding closure operation, open and shut asynchronous problem.
(2) The box cover opening and closing mechanism is arranged through the transmission shaft, the transmission shaft outputs power to finally drive the crank arms to operate, the crank arms are fixed on two sides of the box body, the middle transmission shaft can change according to the length of the box body, and the size of the box body at the top of the square cabin also changes according to different functions.
(3) The box cover opening and closing mechanism is characterized in that through the arrangement of the screw nut, the screw and the crank arm, the overload operation of the steering gear is found at the moment of starting through calculating rated output torque and actual load torque of the steering gear, the gear shaft is twisted off, so that the screw is required to be added for horizontal driving to increase stability, the crank arm is driven to move along the linear sliding rail through the screw nut, the linear guide rail shares and bears the force applied by the sliding cover to the screw in the vertical direction and the front-back direction, the screw is only stressed in the horizontal direction in the movement, so that the loadability of the mechanism is greatly enhanced, the force of the screw driving the crank arm to pry the sliding cover is calculated according to the weight of the top cover, the synchronous working thrust of the two pairs of screw driving mechanisms completely meets the force of the crank arm to pry the top cover, the load capacity of the mechanism is greatly enhanced, the steering gear is prevented from being excessively heavy at the moment of starting, and the stable operation of the mechanism is ensured.
Drawings
FIG. 1 is a schematic diagram of the state of the utility model;
FIG. 2 is a schematic view of a fastening plate of the present utility model;
FIG. 3 is a schematic diagram of a speed reducer according to the present utility model;
FIG. 4 is a schematic front view of the present utility model;
fig. 5 is a schematic side view of the present utility model.
In the figure: 1. a case; 2. a connecting plate; 3. a motor; 4. a speed reducer; 5. a steering gear; 6. a transmission shaft; 7. a turbine speed reducer; 8. a screw rod; 9. a crank arm; 10. a case cover; 11. a limiting ring; 12. a lead screw nut; 14. a fastening plate; 15. a hand-operated lever; 16. and a screw slide rail.
Detailed Description
The foregoing and other features, aspects and advantages of the present utility model will become more apparent from the following detailed description of embodiments with reference to the accompanying drawings, 1-5.
The embodiment provides a box cover opening and closing mechanism, as shown in the accompanying drawings, the box cover opening and closing mechanism comprises a connecting plate 2 fixedly connected to one side of the upper surface of a box body 1, a limiting ring 11 is connected to the bottom of the side surface of the box body 1 through bolts, a fastening plate 14 is connected to one side of the upper surface of the box body 1 through bolts, a hand operating rod 15 is connected to the output end key of a speed reducer 4, the outer surface of the hand operating rod 15 is clamped on the inner wall of the fastening plate 14, a screw slide rail 16 is fixedly arranged on one side of the box body 1, one side of a box cover 10 slides on the inner wall of the screw slide rail 16, a driving system, a transmission system and an execution system are mainly composed of a motor 3, the speed reducer 4 and a coupler, and the driving system is fixed on the side of the box body 1; the transmission system comprises a steering gear 5, a transmission shaft 6, a screw rod 8, a screw rod nut 12 and accessories thereof, and is fixed at two ends of the box body 1; the execution system is a crank arm 9 fixed on the box cover 10, power is transmitted to the crank arm 9 through the transmission system, and the crank arm 9 drives the sliding cover to swing;
the inner wall of the fastening plate 14 is provided with a propping block, the outer surface of the hand operating rod 15 is clamped on the inner wall of the propping block, one end of the hand operating rod 15 is provided with a handle, the transmission shaft 6 is clamped on the inner wall of the limiting ring 11, the upper surface of the connecting plate 2 is connected with the motor 3 through a bolt, when the motor 3 is started, power is transmitted to the turbine speed reducer 7, the speed reducer 4 drives the steering gear 5 to move, the output shaft of the steering gear 5 outputs power to the transmission shafts 6 on two sides, the centers of the transmission shaft 6, the steering gear 5 and the speed reducer 4 are on the same axis, the output end of the motor 3 is provided with the speed reducer 4, the output end of the speed reducer 4 is connected with the steering gear 5, the output end of the steering gear 5 is connected with the transmission shaft 6, one end of the transmission shaft 6 away from the steering gear 5 is connected with the turbine speed reducer 7, one side of the turbine speed reducer 7 is connected with the lead screw 8, one side of the box 1 is provided with the crank arm 9, one side joint of turning arm 9 has case lid 10, the bottom joint of case lid 10 side has lead screw nut 12, turbine speed reducer 7's output key is connected with lead screw 8, one side of box 1 has spacing collar 11 that is used for spacing through bolted connection, insert hand lever 15 hand interface with hand lever 15, the hand lever 15 of forward and reverse rotation, turbine speed reducer 7 hand shaft output power gives steering gear 5, steering gear 5 output shaft output power gives both sides transmission shaft 6, turbine speed reducer 7 output shaft hand shaft follow hand lever 15 does positive and negative motion in the driving process, after turbine steering gear 5 output shaft output power gives both sides transmission shaft 6, transmission shaft 6 transmits power gives box 1 both sides lead screw 8, drive lead screw nut 12 horizontal movement after the lead screw 8 rotates, lead screw 8 horizontal drive turning arm 9 swings along linear guide rail, thereby drive case lid 10 open and shut.
In summary, the case cover opening and closing mechanism comprises the following steps:
1. the driving system is mainly composed of a motor 3, a speed reducer 4 and a coupler, and is fixed at the side of the box body 1; the transmission system comprises a steering gear 5, a transmission shaft 6, a screw rod 8, a screw rod nut 12 and accessories thereof, and is fixed at two ends of the box body 1; the execution system is a crank arm 9 fixed on the box cover 10, power is transmitted to the crank arm 9 through the transmission system, and the crank arm 9 drives the sliding cover to swing;
2. when the motor 3 is started, power is transmitted to the turbine speed reducer 7, the speed reducer 4 drives the steering gear 5 to move, the output shaft of the steering gear 5 outputs power to the transmission shafts 6 on two sides, and the transmission shafts 6, the steering gear 5 and the speed reducer 4 are in the same axis;
3. the hand operating rod 15 is inserted into a hand interface, the hand operating rod 15 is rotated positively and negatively, the hand shaft of the turbine speed reducer 7 outputs power to the steering gear 5, the output shaft of the steering gear 5 outputs power to the transmission shafts 6 on two sides, and the turbine speed reducer 7 outputs the hand shaft to do forward and backward rotation along with the hand operating rod 15 in the driving process;
4. when the output shaft of the turbine steering gear 5 outputs power to the transmission shafts 6 on two sides, the transmission shafts 6 transmit power to the lead screws 8 on two sides of the box body 1, the lead screws 8 rotate and then drive the lead screw nuts 12 to horizontally move, and the lead screws 8 horizontally drive the crank arms 9 to swing along the linear guide rails, so that the box cover 10 is driven to open and close.
The above description is only for the purpose of illustrating the utility model, and it should be understood that the utility model is not limited to the above embodiments, but various modifications consistent with the idea of the utility model are within the scope of the utility model.
Claims (6)
1. The utility model provides a case lid mechanism of opening and shutting, includes connecting plate (2) of fixed connection in box (1) upper surface one side, its characterized in that: the upper surface of connecting plate (2) is through bolted connection has motor (3), speed reducer (4) are installed to the output of motor (3), the output of speed reducer (4) is connected with steering gear (5), the output key-type connection of steering gear (5) has transmission shaft (6), transmission shaft (6) are kept away from one end key-type connection of steering gear (5) has turbine reducer (7), one side key-type connection of turbine reducer (7) has lead screw (8), turning arm (9) are installed to one side of box (1), one side joint of turning arm (9) has case lid (10).
2. A cover opening and closing mechanism according to claim 1, wherein: the bottom of the side face of the box body (1) is connected with a limiting ring (11) through a bolt, and the transmission shaft (6) is clamped on the inner wall of the limiting ring (11).
3. A cover opening and closing mechanism according to claim 1, wherein: the bottom of case lid (10) side joint has lead screw nut (12), the output key of turbine speed reducer (7) is connected with lead screw (8).
4. A cover opening and closing mechanism according to claim 1, wherein: one side of box (1) upper surface is connected with fastening plate (14) through the bolt, the output key of speed reducer (4) is connected with hand lever (15), the surface joint of hand lever (15) is in the inner wall of fastening plate (14).
5. A cover opening and closing mechanism according to claim 1, wherein: one side of the box body (1) is fixedly provided with a screw sliding rail (16), and one side of the box cover (10) slides on the inner wall of the screw sliding rail (16).
6. The cover opening and closing mechanism according to claim 4, wherein: the inner wall of the fastening plate (14) is provided with a tight block, the outer surface of the hand operating rod (15) is clamped on the inner wall of the tight block, and one end of the hand operating rod (15) is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320251502.6U CN220267484U (en) | 2023-02-17 | 2023-02-17 | Case lid mechanism that opens and shuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320251502.6U CN220267484U (en) | 2023-02-17 | 2023-02-17 | Case lid mechanism that opens and shuts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220267484U true CN220267484U (en) | 2023-12-29 |
Family
ID=89316848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320251502.6U Active CN220267484U (en) | 2023-02-17 | 2023-02-17 | Case lid mechanism that opens and shuts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220267484U (en) |
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2023
- 2023-02-17 CN CN202320251502.6U patent/CN220267484U/en active Active
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