CN215595267U - Linkage mechanism of mechanical locking structure of small electric door - Google Patents
Linkage mechanism of mechanical locking structure of small electric door Download PDFInfo
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- CN215595267U CN215595267U CN202120876002.2U CN202120876002U CN215595267U CN 215595267 U CN215595267 U CN 215595267U CN 202120876002 U CN202120876002 U CN 202120876002U CN 215595267 U CN215595267 U CN 215595267U
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Abstract
The application discloses a linkage mechanism of a mechanical locking structure of an electric small door, wherein one end of the linkage mechanism is connected with a power rotating shaft, the linkage mechanism extends to the far end of an electric actuator, a lock pin is fixedly arranged at the other end of the linkage mechanism, and the power rotating shaft rotates to drive the lock pin to move through the linkage mechanism and acts on a cover cap to realize locking or unlocking; the linkage mechanism comprises a rotating part and a push rod, the push rod is arranged on the base in a transverse sliding mode, the rotating part is arranged on the power rotating shaft, the power rotating shaft drives the rotating part to rotate, and the rotating part is suitable for converting the rotation into the linear motion of the push rod; the far end of the push rod is bent downwards, the lock pin is transversely and fixedly arranged at the far end of the push rod, and the push rod is suitable for pushing the lock pin to transversely enter and exit the base so as to insert or withdraw the opening cover to realize locking or unlocking. The device has the advantages of simple structure, reliable linkage and capability of realizing long-distance mechanical transmission.
Description
Technical Field
The application relates to automobile parts, in particular to an automobile small door.
Background
The automobile refueling door or the automobile charging door is basically arranged at the refueling or charging position of the automobile, and the small door is movably connected to an inner metal plate position on the automobile, so that the refueling port or the charging port is exposed by opening the automobile refueling door or the automobile charging door, and the refueling or charging purpose is realized. The existing automobile small door is mainly characterized in that a small door rotating shaft is driven to rotate by an electric actuator (a built-in motor), and the opening and closing of the small door are realized by the forward rotation/reverse rotation of the motor, and the automobile small door is also called as an electric small door. The locking force of the small electric door under the closed condition is ensured by the motor. However, the torque of the motor is limited, so that the locking force of the small door is insufficient, the gap surface difference of the motor at the far end of the motor of the electric small door is difficult to match and adjust, and the motor of the electric small door is insufficient in sealing. Although, an electric actuator can be arranged at the far end of the motor for locking the small door, so as to solve the problem of insufficient locking force; however, this will increase the complexity of the electric small door, and greatly increase the manufacturing cost of the electric small door.
How to improve the existing electric wicket to overcome the above problems is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
An object of this application is to provide a simple structure, the locking is reliable, moves stable electronic wicket mechanical locking structure.
Another object of this application is to provide a simple structure, the linkage is reliable, can realize the driven link gear of electronic little door machinery locking structure of remote mechanical transmission.
In order to achieve the above purposes, the technical scheme adopted by the application is as follows: a mechanical locking structure of an electric small door is suitable for being arranged on the electric small door, the electric small door comprises a base, a cover cap and an electric actuator, the cover cap is rotatably arranged on the base through a cover cap rotating shaft, and the mechanical locking structure of the electric small door comprises a power rotating shaft, an intermittent driving mechanism, a linkage mechanism and a lock pin; the electric actuator is suitable for driving the power rotating shaft to rotate, the power rotating shaft is suitable for driving the opening cover rotating shaft to rotate intermittently or rotationally through the intermittent driving mechanism, one end of the linkage mechanism is connected with the power rotating shaft, the linkage mechanism extends to the far end of the electric actuator, the lock pin is fixedly arranged at the other end of the linkage mechanism, and the power rotating shaft rotates and is suitable for driving the lock pin to move through the linkage mechanism and acts on the opening cover to realize locking or unlocking; and in the process of locking or unlocking the opening cover by the lock pin, the rotating shaft of the opening cover is in an intermittent state.
Preferably, the intermittent driving mechanism comprises a driving gear concentrically fixed on the power rotating shaft and a driven gear concentrically fixed on the flap rotating shaft, the driving gear can be meshed with the driven gear, and the driving gear is provided with an idle stroke section; when the idle stroke section turns to the driven gear, the rotating shaft of the opening cover is in an intermittent state. The scheme realizes intermittent driving through idle stroke gear meshing, and is a common intermittent driving mode.
Preferably, the linkage mechanism comprises a rotating part and a push rod, the push rod is arranged on the base in a transverse sliding mode, the rotating part is arranged on the power rotating shaft, the power rotating shaft drives the rotating part to rotate, and the rotating part is suitable for converting the rotation into the linear motion of the push rod; the far end of the push rod is bent downwards, the lock pin is transversely and fixedly arranged at the far end of the push rod, and the push rod is suitable for pushing the lock pin to transversely enter and exit the base so as to insert or withdraw the opening cover to realize locking or unlocking. The structure for converting rotation into linear motion is numerous, and the scheme selects the following three specific implementation modes:
as a first implementation manner, the rotating member is a sliding rail disc, the sliding rail disc is concentrically fixed on the power rotating shaft, a sliding groove is formed in the sliding rail disc, a sliding block extends out of the proximal end of the push rod, and the sliding block is suitable for longitudinally entering the sliding groove and is slidably arranged in the sliding groove; the sliding groove comprises a driving groove and a stop groove, the tail end of the driving groove is connected with the head end of the stop groove in a smooth and sliding mode, the distance between the tail end of the driving groove and the power rotating shaft is gradually increased from the head end of the driving groove to the tail end of the driving groove, and the stop groove is an arc groove concentric with the power rotating shaft; when the sliding block slides in the driving groove, the push rod slides along the transverse direction and drives the lock pin to lock or unlock the opening cover, and the rotating shaft of the opening cover is in an intermittent state; when the sliding block slides in the rest groove, the push rod stops sliding, and the rotating shaft of the opening cover is in a rotating state.
As a second embodiment, the rotating member is a cam disc, the cam disc is concentrically fixed on the power rotating shaft, a convex belt is arranged on the cam disc, a top block extends from the proximal end of the push rod, and the top block is suitable for transversely abutting against the outer edge of the convex belt; the convex belt comprises a limiting belt, a driving belt and a stop belt, the tail end of the limiting belt is smoothly connected with the head end of the driving belt, the tail end of the driving belt is smoothly connected with the head end of the stop belt, the limiting belt is suitable for limiting the ejector block to be separated from the head end of the driving belt, the distance between the tail end of the driving belt and the power rotating shaft is gradually increased from the head end of the driving belt to the tail end of the driving belt, and the stop belt is an arc belt concentric with the power rotating shaft; when the ejector block props against the driving belt to slide, the push rod slides along the transverse direction and drives the lock pin to lock or unlock the opening cover, and the opening cover rotating shaft is in an intermittent state; when the ejector block butts against the stop belt to slide, the push rod stops sliding, and the rotating shaft of the opening cover is in a rotating state.
As a third embodiment, the rotating member is a rotating gear concentrically fixed on the power rotating shaft, a rack is fixedly arranged at the proximal end of the push rod, the rack is arranged along the transverse direction, and the rotating gear is engaged with the rack.
As an improvement, the mechanical locking structure of the electric wicket further comprises an emergency pull rope, and the emergency pull rope is fixedly arranged on the rotating piece or the push rod; the emergency pull rope is pulled to drive the rotating piece to rotate or the push rod to slide, and then the lock pin is driven to exit the opening cover to realize unlocking. The emergency pull rope is a common structure of the electric wicket; when the vehicle outage, the unable electronic opening of electronic little door, then can be through the manual unblock flap of urgent stay cord to can manually open the flap.
Furthermore, a lock rod is fixedly arranged on the push rod, and a locking unit is fixedly arranged on the base; when the emergency pull rope is pulled for one time, the push rod slides to drive the lock rod to enter and be locked in the locking unit, and at the moment, the lock pin exits from the opening cover and can manually open the opening cover; when the emergency pull rope is pulled for the second time, the locking unit unlocks the lock rod, and the push rod can slide and reset. When the emergency pull rope is pulled, the locking unit is mainly used for keeping the unlocking state of the push rod and the lock pin, and further the opening cover can be conveniently opened manually. And the emergency pull rope is pulled for the second time to unlock the locking unit and reset the push rod, so that the electric actuator rotates after the power is on, and the original opening and closing functions of the opening cover are recovered.
As an embodiment, the push rod is in a sectional type, the push rod comprises a push rod front section and a push rod rear section, the push rod front section is connected with the rotating member, and the lock pin is fixed on the push rod rear section; the rear section of the push rod is arranged on the front section of the push rod in a transverse sliding manner, an internal tension spring is arranged between the front section of the push rod and the rear section of the push rod, and the internal tension spring forces the front section of the push rod and the rear section of the push rod to be kept into a whole when the rotating piece drives the push rod to slide; the emergency pull rope is fixedly arranged on the rear section of the push rod, and the rear section of the push rod can be driven to overcome the tension of the internal tension spring to slide by pulling the emergency pull rope, so that the lock pin is driven to exit the opening cover; the lock rod is arranged on the rear section of the push rod, and the internal tension spring can drive the rear section of the push rod to slide and reset after the emergency pull rope is pulled for the second time.
As another embodiment, the push rod is integrated, an external tension spring is arranged between the push rod and the base, and the external tension spring can drive the push rod to slide and reset after the emergency pull rope is pulled for the second time.
The push rod is selected to be segmented or integrated, so that reasonable selection can be performed according to the arrangement space requirement of the actual electric wicket and the specific structure of the rotating part.
As an improvement, the lock pin is suitable for entering and exiting the base, and a sealing sleeve is arranged between the lock pin and the base and used for ensuring the sealing performance of the base.
As the conventional setting, still be provided with travel switch on the base, travel switch transmits the rotation signal of flap pivot, and then judges the open and close state of flap.
This scheme passes through intermittent type actuating mechanism and sets up, can realize following work flow:
(1) after the opening cover is closed, the power rotating shaft continues to rotate, the opening cover rotating shaft is not moved, and the power rotating shaft drives the lock pin to act through the linkage mechanism, so that the electric wicket is locked in a closed state.
(2) The opening cover is opened after being closed, the power rotating shaft rotates, the opening cover rotating shaft does not move, and the power rotating shaft drives the lock pin to act through the linkage mechanism, so that the unlocking of the electric wicket in a closed state is realized; then the power rotating shaft continues to rotate, and simultaneously the rotating shaft of the opening cover is driven to rotate, so that the opening of the opening cover is realized.
Compared with the prior art, the beneficial effect of this application lies in: this scheme is under the prerequisite of adopting single electric actuator, has set up mechanical locking structure, through the intermittent type actuating mechanism that sets up between power pivot and the flap pivot, realizes utilizing link gear and lockpin under the flap closed condition to carry out the mechanical locking of distal end to the flap to locking power when the increase flap is closed satisfies electronic little door locking functional requirement (including but not limited to conveniently adjusting distal end clearance face difference and match, increase distal end sealing performance), and the locking is reliable, the operation is stable. In addition, the scheme does not need to add an electric actuator at the far end, so that the electric-control-type remote control device has the advantages of simple structure and low cost.
Drawings
FIG. 1 is a schematic front perspective view of a preferred embodiment according to the present application;
FIG. 2 is a schematic view of a reverse side perspective structure according to a preferred embodiment of the present application;
FIG. 3 is a schematic perspective view of the locking flap of the locking pin according to a preferred embodiment of the present application;
FIG. 4 is a schematic perspective view of the locking pin unlocking the flap according to a preferred embodiment of the present application;
FIG. 5 is a schematic perspective view of a preferred embodiment according to the present application in a locked state;
FIG. 6 is a perspective view of a preferred embodiment according to the present application in an unlocked state;
FIG. 7 is a schematic perspective view of the base shown hidden in FIG. 5 according to a preferred embodiment of the present application;
FIG. 8 is a schematic perspective view of the base shown hidden in FIG. 6 according to a preferred embodiment of the present application;
FIG. 9 is a schematic view of the relationship of the intermittent drive mechanism and the linkage mechanism in a locked state in accordance with a preferred embodiment of the present application;
FIG. 10 is a schematic view of the intermittent drive mechanism and linkage mechanism in an unlocked state in accordance with a preferred embodiment of the present application;
FIGS. 11-13 are flowcharts of the operation of the intermittent drive mechanism according to a preferred embodiment of the present application;
FIG. 14 is an exploded view of a segmented pushrod according to a preferred embodiment of the present application;
FIG. 15 is a schematic perspective view of a preferred embodiment of the subject application with the emergency pull cord pulling the latch to unlock;
FIG. 16 is a schematic perspective view of the base shown hidden in FIG. 15 according to a preferred embodiment of the present application;
FIG. 17 is a schematic view of a locked state of the rotating member being a cam plate and a push rod being an integrated type according to a preferred embodiment of the present application (the rotating member being a slide plate and the push rod being a split type in FIGS. 1 to 16);
FIG. 18 is a schematic illustration of an unlocked state of the rotating member as a cam plate and pushrod in one piece in accordance with a preferred embodiment of the present application;
fig. 19 is a schematic view of the emergency cord secured to the rotary member in accordance with a preferred embodiment of the present application (the emergency cord is secured to the push rod in fig. 1-18);
FIG. 20 is a schematic view of a preferred embodiment according to the present application in which the rotating member is a rotating gear;
FIG. 21 is a schematic view of a preferred embodiment of the present application with the latch unit in a snap-lock configuration;
FIG. 22 is a schematic view of a preferred embodiment of the present application with the locking unit being a combination of a detent and a rebound catch;
fig. 23 is a schematic view of a structure in which a locking unit is a locking labyrinth according to a preferred embodiment of the present application.
In the figure: 100. a base; 200. a flap; 201. a flap rotating shaft; 202. a locking plate; 300. an electric actuator; 1. a power shaft; 2. an intermittent drive mechanism; 3. a linkage mechanism; 4. a lock pin; 5. a travel switch; 6. sealing sleeves; 7. an emergency pull rope; 8. a locking unit; 21. a driving gear; 22. a driven gear; 211. an idle stroke section; 30. a push rod; 301. a slider; 302. a top block; 303. a rack; 304. a lock lever; 305. a front section of the push rod; 306. a rear section of the push rod; 307. an internal tension spring; 308. an external tension spring; 31. a sliding rail disc; 311. a chute; 3111. a drive slot; 3112. a rest groove; 32. a cam plate; 321. a convex band; 3211. a limiting band; 3212. a drive belt; 3213. a rest belt; 33. a rotating gear; 81. a snap structure; 82. a card slot; 83. a rebounder; 84. and locking the labyrinth.
Detailed Description
The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.
In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.
It is intended that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application, be interpreted as covering a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1 to 23, a preferred embodiment of the present application is suitable for being disposed on a small electric door, the small electric door includes a base 100, a cover 200 and an electric actuator 300, the cover 200 is rotatably disposed on the base 100 through a cover rotating shaft 201, and the mechanical locking structure of the small electric door of the present embodiment includes a power rotating shaft 1, an intermittent driving mechanism 2, a linkage mechanism 3 and a lock pin 4; the electric actuator 300 is suitable for driving the power rotating shaft 1 to rotate, the power rotating shaft 1 is suitable for driving the opening cover rotating shaft 201 to rotate intermittently or rotationally through the intermittent driving mechanism 2, one end of the linkage mechanism 3 is connected with the power rotating shaft 1, the linkage mechanism 3 extends towards the far end of the electric actuator 300, the lock pin 4 is fixedly arranged at the other end of the linkage mechanism 3, and the power rotating shaft 1 rotates and is suitable for driving the lock pin 4 to move through the linkage mechanism 3 and acts on the opening cover 200 to realize locking or unlocking; and the flap rotating shaft 201 is in an intermittent state during the locking or unlocking of the lock pin 4 to the flap 200.
The intermittent driving modes are numerous, and the embodiment only exemplifies a driving structure of idle stroke gear meshing, but does not exclude other driving structures capable of realizing the functions. Specifically, as shown in fig. 9 and 10, the intermittent driving mechanism 2 includes a driving gear 21 concentrically fixed on the power rotating shaft 1 and a driven gear 22 concentrically fixed on the flap rotating shaft 201, the driving gear 21 can be engaged with the driven gear 22, and the driving gear 21 is provided with an idle stroke section 211; when the idle stroke section 211 is shifted toward the driven gear 22, the flap spindle 201 is in an intermittent state. In addition, the base 100 is further provided with a travel switch 5, and the rotation of the driven gear 22 can trigger the travel switch 5 to transmit a rotation signal of the flap rotating shaft 201, so as to judge the opening and closing state of the flap 200.
The linkage mechanism 3 comprises a rotating part and a push rod 30, the push rod 30 is arranged on the base 100 in a transverse sliding mode, the rotating part is arranged on the power rotating shaft 1, the power rotating shaft 1 drives the rotating part to rotate, and the rotating part is suitable for converting the rotation into the linear motion of the push rod 30; the far end of the push rod 30 bends downwards, the lock pin 4 is transversely and fixedly arranged at the far end of the push rod 30, the push rod 30 is suitable for pushing the lock pin 4 to transversely enter and exit the base 100, and then the cover 200 is inserted or withdrawn to realize locking or unlocking, and in the embodiment, the inner side of the cover 200 extends out of the lock plate 202 for the lock pin 4 to enter and exit. A sealing sleeve 6 is arranged between the locking pin 4 and the base 100. There are many structures (including a crank-slider mechanism, a link mechanism, a rack-and-pinion mechanism, a lead screw-slider mechanism, a cam mechanism, etc.) for converting rotation into linear motion, and the following three specific embodiments are selected for illustration in this embodiment, and other driving structures capable of implementing the above functions are not excluded:
as a first embodiment, as shown in fig. 1 to fig. 16, the rotating members are all sliding rail discs 31, the sliding rail discs 31 are concentrically fixed on the power rotating shaft 1, sliding grooves 311 are formed on the sliding rail discs 31, the proximal ends of the push rods 30 extend out of the sliding blocks 301, and the sliding blocks 301 are adapted to enter the sliding grooves 311 in the longitudinal direction and are slidably disposed in the sliding grooves 311; the sliding groove 311 comprises a driving groove 3111 and a rest groove 3112, the tail end of the driving groove 3111 is smoothly connected with the head end of the rest groove 3112, the distance between the driving groove 3111 and the power rotating shaft 1 from the head end to the tail end is gradually increased, and the rest groove 3112 is an arc groove concentric with the power rotating shaft 1; when the slide block 301 slides in the driving groove 3111, the push rod 30 slides along the transverse direction and drives the lock pin 4 to lock or unlock the cover 200, and the cover rotating shaft 201 is in an intermittent state; when the slider 301 slides in the rest groove 3112, the push rod 30 stops sliding, and the flap spindle 201 is in a rotating state.
As a second embodiment, as shown in fig. 17 to 19, the rotating member is a cam disc 32, the cam disc 32 is concentrically fixed on the power rotating shaft 1, a convex belt 321 is arranged on the cam disc 32, the proximal end of the push rod 30 extends out of an ejector block 302, and the ejector block 302 is adapted to transversely abut against the outer edge of the convex belt 321; the convex belt 321 comprises a limiting belt 3211, a driving belt 3212 and a stop belt 3213, the tail end of the limiting belt 3211 is smoothly connected to the head end of the driving belt 3212, the tail end of the driving belt 3212 is smoothly connected to the head end of the stop belt 3213, the limiting belt 3211 is adapted to limit the ejector pad 302 to be disengaged from the head end of the driving belt 3212, the distance between the driving belt 3212 and the power rotating shaft 1 increases gradually from the head end to the tail end, and the stop belt 3213 is a circular arc belt concentric with the power rotating shaft 1; when the top block 302 butts against the driving belt 3212 to slide, the push rod 30 slides along the transverse direction and drives the lock pin 4 to lock or unlock the flap 200, and the flap rotating shaft 201 is in an intermittent state; when the top block 302 slides against the stop belt 3213, the push rod 30 stops sliding, and the flap spindle 201 is in a rotating state.
As a third embodiment, as shown in FIG. 20, the rotating member is a rotating gear 33, the rotating gear 33 is concentrically fixed on the power rotating shaft 1, the proximal end of the push rod 30 is fixedly provided with a rack 303, the rack 303 is transversely arranged, and the rotating gear 33 is engaged with the rack 303. In the same way, the rotating gear 33 can also be provided with an idle stroke for matching with the intermittent driving mechanism 2 to realize that the push rod 30 is not moved when the cover rotating shaft 201 rotates.
The opening process and the closing process of the electric wicket applying the embodiment are respectively as follows:
the opening process of the electric small door comprises the following steps: as shown in fig. 11, the flap 200 is in a closed state and the lock pin 4 is in a locked state; as shown in fig. 11 to 12, the power rotating shaft 1 drives the driving gear 21 to rotate clockwise, the idle stroke section 211 rotates over the driven gear 22, the flap rotating shaft 201 is not moved in the process, the power rotating shaft 1 drives the lock pin 4 to move through the linkage mechanism 3, and the lock pin 4 unlocks the flap 200; as shown in fig. 12 to 13, the power rotating shaft 1 continues to drive the driving gear 21 to rotate clockwise, the driving gear 21 is engaged with the driven gear 22, the power rotating shaft 1 drives the flap rotating shaft 201 to rotate through the cooperation of the driving gear 21 and the driven gear 22, so that the flap 200 is opened, and the lock pin 4 is not moved in the process.
The closing process of the electric small door comprises the following steps: as shown in fig. 13, the flap 200 is in the open state and the lock pin 4 is in the unlocked state; as shown in fig. 13 to 12, the power rotating shaft 1 drives the driving gear 21 to rotate counterclockwise, the driving gear 21 is engaged with the driven gear 22, the power rotating shaft 1 drives the flap rotating shaft 201 to rotate through the cooperation of the driving gear 21 and the driven gear 22, so that the flap 200 is closed, and the lock pin 4 is not moved in the process; as shown in fig. 12 to 11, the power shaft 1 continues to drive the driving gear 21 to rotate counterclockwise, and at this time, the idle stroke section 211 rotates through the driven gear 22, in this process, the cover rotating shaft 201 is not moved, and the power shaft 1 drives the lock pin 4 to move through the linkage mechanism 3, so that the lock pin 4 locks the cover 200.
The embodiment is further improved in that an emergency pull rope 7 for opening the small electric door in emergency when power is off is further arranged. As shown in fig. 1 to 18, the emergency cord 7 may be fixed to the push rod 30, or as shown in fig. 19, the emergency cord 7 may be fixed to the rotary member. Pulling the emergency pull rope 7 can drive the rotating member to rotate or drive the push rod 30 to slide, and further drive the lock pin 4 to exit the access cover 200 to realize unlocking.
As an optimized improvement, the push rod 30 is also fixedly provided with a lock rod 304, and the base 100 is fixedly provided with a locking unit 8; when the emergency pull rope 7 is pulled for one time, the push rod 30 slides to drive the lock rod 304 to enter and lock in the locking unit 8, and at the moment, the lock pin 4 exits the cover cap 200 and can manually open the cover cap 200; when the emergency pull rope 7 is pulled for the second time, the locking unit 8 unlocks the lock lever 304, and the push rod 30 can be slidably reset.
It should be noted that the locking unit 8 is a general component in the mechanical field, and both structures capable of realizing locking by a primary motion and unlocking by a secondary motion can be used as the locking unit 8, and the following structures are exemplified: as shown in fig. 21, the snap structure 81 is widely applied to articles such as snap-lid garbage cans and flip-type storage boxes; as shown in fig. 22, the locking unit 8 is formed by combining a clamping groove 82 and a rebounder 83 (the rebounder 83 is widely applied to a cabinet door), the clamping groove 82 is used for limiting locking in one action, and the rebounder 83 is used for ejecting the locking rod 304 out of the clamping groove 82 for unlocking in a second action; as shown in fig. 23, a schematic diagram of a lock labyrinth 84 is shown, which is widely used in the field of switch buttons and can also be used as a lock unit 8 to realize the above-mentioned functions.
In one embodiment, the push rod 30 is segmented, the push rod 30 comprises a push rod front section 305 and a push rod rear section 306, the push rod front section 305 is connected with a rotating member, and the lock pin 4 is fixed on the push rod rear section 306; the push rod rear section 306 is arranged on the push rod front section 305 in a transverse sliding mode, an internal tension spring 307 is arranged between the push rod front section 305 and the push rod rear section 306, and when the rotating piece drives the push rod 30 to slide, the internal tension spring 307 forces the push rod front section 305 and the push rod rear section 306 to be kept into a whole; the emergency pull rope 7 is fixedly arranged on the rear section 306 of the push rod, and pulling the emergency pull rope 7 can drive the rear section 306 of the push rod to slide against the pulling force of the internal tension spring 307, so as to drive the lock pin 4 to exit the opening cover 200; the lock lever 304 is disposed on the rear section 306 of the push rod, and the internal tension spring 307 can drive the rear section 306 of the push rod to slide and reset after the emergency pull rope 7 is pulled for the second time.
In another embodiment, the push rod 30 is a single body, and an external tension spring 308 is disposed between the push rod 30 and the base 100, and the external tension spring 308 can drive the push rod 30 to slide and reset after the emergency pull rope 7 is pulled for the second time.
It should be noted that, the selection of the push rod 30 in a sectional manner or an integrated manner can be rationalized according to the arrangement space requirement of the actual electric wicket and the specific structure of the rotating member.
The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.
Claims (6)
1. The utility model provides a link gear of electronic wicket mechanical locking structure which characterized in that: one end of the linkage mechanism is connected with a power rotating shaft, the linkage mechanism extends to the far end of the electric actuator, the lock pin is fixedly arranged at the other end of the linkage mechanism, and the power rotating shaft rotates to drive the lock pin to move through the linkage mechanism and acts on the opening cover to realize locking or unlocking;
the linkage mechanism comprises a rotating part and a push rod, the push rod is arranged on the base in a transverse sliding mode, the rotating part is arranged on the power rotating shaft, the power rotating shaft drives the rotating part to rotate, and the rotating part is suitable for converting the rotation into the linear motion of the push rod; the far end of the push rod is bent downwards, the lock pin is transversely and fixedly arranged at the far end of the push rod, and the push rod is suitable for pushing the lock pin to transversely enter and exit the base so as to insert or withdraw the opening cover to realize locking or unlocking.
2. The linkage mechanism of the mechanical locking structure of the small electric door according to claim 1, characterized in that: the rotating piece is a sliding rail disc which is concentrically fixed on the power rotating shaft, a sliding groove is formed in the sliding rail disc, a sliding block extends out of the near end of the push rod, and the sliding block is suitable for longitudinally entering the sliding groove and is arranged in the sliding groove in a sliding mode;
the sliding groove comprises a driving groove and a stop groove, the tail end of the driving groove is connected with the head end of the stop groove in a smooth and sliding mode, the distance between the tail end of the driving groove and the power rotating shaft is gradually increased from the head end of the driving groove to the tail end of the driving groove, and the stop groove is an arc groove concentric with the power rotating shaft; when the sliding block slides in the driving groove, the push rod slides along the transverse direction and drives the lock pin to lock or unlock the opening cover, and the rotating shaft of the opening cover is in an intermittent state; when the sliding block slides in the rest groove, the push rod stops sliding, and the rotating shaft of the opening cover is in a rotating state.
3. The linkage mechanism of the mechanical locking structure of the small electric door according to claim 1, characterized in that: the rotating part is a cam disc which is concentrically fixed on the power rotating shaft, a convex belt is arranged on the cam disc, a top block extends out of the near end of the push rod, and the top block is suitable for transversely abutting against the outer edge of the convex belt;
the convex belt comprises a limiting belt, a driving belt and a stop belt, the tail end of the limiting belt is smoothly connected with the head end of the driving belt, the tail end of the driving belt is smoothly connected with the head end of the stop belt, the limiting belt is suitable for limiting the ejector block to be separated from the head end of the driving belt, the distance between the tail end of the driving belt and the power rotating shaft is gradually increased from the head end of the driving belt to the tail end of the driving belt, and the stop belt is an arc belt concentric with the power rotating shaft; when the ejector block props against the driving belt to slide, the push rod slides along the transverse direction and drives the lock pin to lock or unlock the opening cover, and the opening cover rotating shaft is in an intermittent state; when the ejector block butts against the stop belt to slide, the push rod stops sliding, and the rotating shaft of the opening cover is in a rotating state.
4. The linkage mechanism of the mechanical locking structure of the small electric door according to claim 1, characterized in that: the rotating part is a rotating gear, the rotating gear is concentrically fixed on the power rotating shaft, a rack is fixedly arranged at the near end of the push rod, the rack is transversely arranged, and the rotating gear is meshed with the rack.
5. The linkage mechanism of the mechanical locking structure of the small electric door according to claim 1, characterized in that: the push rod is in a sectional type and comprises a push rod front section and a push rod rear section, the push rod front section is connected with the rotating piece, and the lock pin is fixed on the push rod rear section; the rear section of the push rod is arranged on the front section of the push rod in a transverse sliding manner, an internal tension spring is arranged between the front section of the push rod and the rear section of the push rod, and the internal tension spring forces the front section of the push rod and the rear section of the push rod to be kept into a whole when the rotating piece drives the push rod to slide;
the emergency pull rope is fixedly arranged on the rear section of the push rod, and the rear section of the push rod can be driven to overcome the tension of the internal tension spring to slide by pulling the emergency pull rope, so that the lock pin is driven to exit the opening cover;
the lock rod is arranged on the rear section of the push rod, and the internal tension spring can drive the rear section of the push rod to slide and reset after the emergency pull rope is pulled for the second time.
6. The linkage mechanism of the mechanical locking structure of the small electric door according to claim 1, characterized in that: the push rod is integrated, an external tension spring is arranged between the push rod and the base, and the external tension spring can drive the push rod to slide and reset after the emergency pull rope is pulled for the second time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120876002.2U CN215595267U (en) | 2021-04-26 | 2021-04-26 | Linkage mechanism of mechanical locking structure of small electric door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120876002.2U CN215595267U (en) | 2021-04-26 | 2021-04-26 | Linkage mechanism of mechanical locking structure of small electric door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4269733A1 (en) * | 2022-04-22 | 2023-11-01 | Huf Hülsbeck & Fürst GmbH & Co. KG | Motor vehicle drive system with a drive component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4269733A1 (en) * | 2022-04-22 | 2023-11-01 | Huf Hülsbeck & Fürst GmbH & Co. KG | Motor vehicle drive system with a drive component |
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