CN111439659A - Synchronous door sword of integrated sedan-chair lock of formula of expanding outward - Google Patents
Synchronous door sword of integrated sedan-chair lock of formula of expanding outward Download PDFInfo
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- CN111439659A CN111439659A CN202010470767.6A CN202010470767A CN111439659A CN 111439659 A CN111439659 A CN 111439659A CN 202010470767 A CN202010470767 A CN 202010470767A CN 111439659 A CN111439659 A CN 111439659A
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- knife
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- elastic piece
- bottom plate
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 45
- 230000000670 limiting effect Effects 0.000 claims description 42
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 4
- 230000003116 impacting effect Effects 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/12—Arrangements for effecting simultaneous opening or closing of cage and landing doors
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- Elevator Door Apparatuses (AREA)
Abstract
The invention relates to the field of elevators and discloses an outward-opening type integrated car door lock synchronous door vane. The outward-opening type integrated car door lock synchronous door knife comprises a door knife bottom plate, a door knife assembly and a sliding assembly, wherein the sliding assembly comprises a guide rod, a first elastic piece and a second elastic piece, the guide rod is arranged on the door knife bottom plate in a sliding mode and can drive the door knife assembly to open or close a knife, one end of the first elastic piece and one end of the second elastic piece are respectively arranged on the door knife bottom plate, and the other end of the first elastic piece and the other end of the second elastic piece are respectively arranged on the guide rod; when the door knife assembly stretches the knife, the axes of the first elastic piece and the second elastic piece form an included angle; when the door knife assembly retracts, the axes of the first elastic piece and the second elastic piece are overlapped. When elevator door machine accident outage, first elastic component and second elastic component are in dead point balance auto-lock position to door sword subassembly striking layer door's croquet when having avoided the barring rescue, can also solve the secondary problem of closing the door, the elasticity of first elastic component and second elastic component is big before, can reduce the power demand of door machine motor.
Description
Technical Field
The invention relates to the field of elevators, in particular to an outward-opening type integrated car door lock synchronous door vane.
Background
An elevator is a vertical elevator powered by an electric motor and equipped with a box-like car for carrying people or cargo in a multi-story building. Elevators have become important building equipment in high-rise buildings and public places as transportation vehicles in the vertical direction. With the obvious increase of the consumption level of people, real estate developers have been vigorously pushing out medium-high-grade small high-rise buildings and high-rise residential buildings, so that the residential elevators are driven to rapidly increase, and the residential elevators become the main growth point of the whole elevator market.
The door opener of the elevator car door is generally provided with a door knife mechanism, correspondingly, a door ball is arranged on the landing door, and when the door ball is supported outside the door knife mechanism, the door opener can drive the landing door to open and close the door together. At present, most door knife mechanisms adopt integrated car door lock door knives, most door knives in the market are subjected to single knife arm floating unlocking, the problems that self rescue cannot be carried out in a flat zone car, non-flat zone barring rescue door knives collide a layer door lock and secondary door closing is caused exist, certain difficulty is brought for rescue, and the door knives need to be driven by a high-power motor.
Disclosure of Invention
Based on the problems, the invention aims to provide the outward-opening type integrated car door lock synchronous door vane which is high in safety performance and small in driving force requirement.
In order to achieve the purpose, the invention adopts the following technical scheme:
an integrated sedan-chair lock of formula of expanding synchronous door sword outward, includes:
a door vane base plate;
the door knife assembly is arranged on the door knife bottom plate;
the sliding assembly comprises a guide rod, a first elastic part and a second elastic part, the guide rod is arranged on the door knife bottom plate in a sliding mode, the guide rod can drive the door knife assembly to open or close a knife, one end of the first elastic part and one end of the second elastic part are respectively arranged on the door knife bottom plate, and the other end of the first elastic part and the other end of the second elastic part are respectively arranged on the guide rod;
when the door knife assembly stretches the knife, the axes of the first elastic piece and the second elastic piece form an included angle;
when the door knife assembly retracts, the axes of the first elastic piece and the second elastic piece are overlapped.
As a preferred scheme of the outwardly-expanding integrated car door lock synchronous door knife, the door knife assembly comprises a first knife arm, a second knife arm, a knife arm swing rod and a knife arm connecting rod, the first knife arm and the second knife arm are linked through the knife arm swing rod, the knife arm swing rod is rotatably arranged on the door knife bottom plate, and the knife arm swing rod is connected with the guide rod through the knife arm connecting rod.
As a preferred scheme of the outwardly-expanding integrated car door lock synchronous door knife, one end of the knife arm swing rod is respectively connected with the first knife arm and the knife arm connecting rod, and the other end of the knife arm swing rod is connected with the second knife arm.
As a preferred scheme of the outwardly-expanding integrated car door lock synchronous door knife, an arc-shaped limiting groove is formed in the door knife bottom plate, the knife arm swing rod and the knife arm connecting rod are located on two sides of the door knife bottom plate, and the connecting end of the knife arm swing rod and the knife arm connecting rod is arranged in the arc-shaped limiting groove in a sliding mode.
As a preferable scheme of the outwardly-expanding integrated car door lock synchronous door vane, the door vane assembly further comprises a driven rod, the driven rod is rotatably arranged on the door vane bottom plate, one end of the driven rod is connected with the first vane arm, and the other end of the driven rod is connected with the second vane arm.
The optimal scheme of the outward-opening type integrated car door lock synchronous door knife further comprises a limiting assembly, the limiting assembly comprises a trigger rod and a limiting rod, the trigger rod is rotatably arranged on the door knife bottom plate, one end of the trigger rod abuts against the guide rod, the other end of the trigger rod can be clamped with the limiting rod, and the limiting rod can limit the rotation of the trigger rod.
As a preferred scheme of the outwardly-expanding integrated car door lock synchronous door vane, the limiting assembly further comprises a mounting plate and an elastic reset piece, the mounting plate is arranged on the door vane bottom plate, the limiting rod is rotatably arranged on the mounting plate, one end of the limiting rod is connected to the mounting plate through the elastic reset piece, and the other end of the limiting rod can clamp the trigger rod so as to limit the rotation of the trigger rod.
As a preferred scheme of the outwardly-expanding integrated car door lock synchronous door knife, one end of the trigger rod is provided with a trigger roller which is abutted against the guide rod, the other end of the trigger rod is provided with a clamping roller, the end part of the limiting rod is provided with a limiting clamping hook, and the clamping roller can be clamped with the limiting clamping hook.
The optimal scheme of the outward-expanding integrated car door lock synchronous door vane further comprises a lock hook assembly, the lock hook assembly comprises a lock hook and a parallelogram mechanism, the lock hook is rotatably arranged on the door vane bottom plate, and the parallelogram mechanism can drive the lock hook to lift or drop a hook.
As a preferred scheme of the outwardly-expanding integrated car door lock synchronous door vane, the parallelogram mechanism comprises a first rod, a second rod and a third rod which are sequentially hinged, the first rod and the lock hook are integrally formed, the third rod is rotatably arranged on the door vane bottom plate, and the second rod is pushed to drive the lock hook to lift or drop the hook.
The invention has the beneficial effects that:
the invention provides an external-expanding integrated car door lock synchronous door knife, when a guide rod slides on a door knife bottom plate, a door knife component is switched from a knife-expanding position to a knife-retracting position, the relative position of the axes of a first elastic part and a second elastic part is switched from an included angle position to a flat angle position, the axes of the first elastic part and the second elastic part are overlapped at the moment, the first elastic part and the second elastic part are positioned at a dead point balance self-locking position, when an elevator door is powered off accidentally, a sliding component cannot be reset to the included angle position by the first elastic part and the second elastic part, the door knife component keeps the knife-retracting position, thereby preventing the door knife component from impacting a door ball of a landing door during the rescue of a rolling car, solving the problem of secondary door closing, having high safety performance, when a belt of a door machine drives the guide rod to slide the first elastic part and the second elastic part to pull the flat angle position, the elasticity of the first elastic part and the second elastic part is firstly large and then small, the power demand of a motor of the gantry crane can be reduced, the driving force demand is small, and the sliding of the sliding assembly can be completed by adopting the motor with smaller power.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a first front view of an outwardly expanding integrated car door lock synchronizing door vane provided in accordance with an embodiment of the present invention;
FIG. 2 is a first rear view of an outwardly expanding integrated car door lock synchronized door blade in accordance with an embodiment of the present invention;
FIG. 3 is a second front view of the outwardly expanding integrated car door lock synchronizing door vane provided in accordance with an embodiment of the present invention;
FIG. 4 is a second rear elevation view of the outwardly expanding integrated car door lock synchronized door blade provided in accordance with an embodiment of the present invention;
FIG. 5 is a third front view of the outwardly expanding integrated car door lock synchronizing door vane provided in accordance with an embodiment of the present invention;
FIG. 6 is a third rear elevation view of the outwardly expanding integrated car door lock synchronizing door vane provided in accordance with an embodiment of the present invention;
FIG. 7 is a fourth front view of the outwardly expanding integrated car door lock synchronizing door vane provided in accordance with an embodiment of the present invention;
FIG. 8 is a fourth rear elevation view of the outwardly expanding integrated car door lock synchronizing door vane provided in accordance with an embodiment of the present invention;
FIG. 9 is a schematic view of a first structure of a sliding component in the synchronous door knife of the outwardly-expanding integrated car door lock according to the embodiment of the invention;
FIG. 10 is a schematic view of a second structure of a sliding component of the outwardly expanding integrated car door lock synchronous door vane provided by the embodiment of the invention;
fig. 11 is a schematic view of a first structure of a guide rod, a knife arm swing rod and a knife arm connecting rod in the outwardly-expanding integrated car door lock synchronous door knife according to the embodiment of the invention;
fig. 12 is a second structural schematic diagram of a guide rod, a knife arm swing rod and a knife arm connecting rod in the outwardly-expanding integrated car door lock synchronous door knife according to the embodiment of the invention;
fig. 13 is a schematic diagram of a third structure of a guide rod, a knife arm swing rod and a knife arm connecting rod in the outwardly-expanding integrated car door lock synchronous door knife according to the embodiment of the invention;
fig. 14 is a fourth structural schematic diagram of a guide rod, a knife arm swing rod and a knife arm connecting rod in the outwardly-expanding integrated car door lock synchronous door knife according to the embodiment of the invention;
fig. 15 is a schematic view of a first structure of a limiting component in the outwardly-expanding integrated car door lock synchronous door vane according to the embodiment of the present invention;
fig. 16 is a second structural schematic view of a limiting assembly in the outwardly-expanding integrated car door lock synchronous door vane according to the embodiment of the present invention;
FIG. 17 is a schematic view of a first embodiment of a latch assembly of the outwardly expanding integrated car door lock synchronizing door vane of the present invention;
fig. 18 is a second structural schematic diagram of a latch hook assembly in the outwardly-expanding integrated car door lock synchronous door vane according to the embodiment of the invention.
In the figure:
1-a door vane bottom plate; 2-a door knife assembly; 3-a sliding assembly; 4-a limiting component; 5-a latch hook assembly;
11-arc limiting groove; 12-a slide rail;
21-a first knife arm; 22-a second tool arm; 23-a tool arm swing rod; 24-a knife arm link; 25-a driven rod;
31-a guide rod; 32-a first elastic member; 33-a second elastic member;
41-a trigger lever; 42-a limiting rod; 43-a mounting plate; 44-a resilient return member;
411-trigger roller; 412-clamping rollers;
421-limit hook;
51-a latch hook; 52-a parallelogram mechanism;
521-a first rod; 522-a second rod; 523-third bar.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 8, the present embodiment provides an outward opening type integrated car door lock synchronous door vane, which includes a door vane bottom plate 1, a door vane assembly 2 and a sliding assembly 3. The door knife bottom plate 1 is fixed on a door machine of an elevator, and the door knife component 2 can be used for opening a knife to support a door ball of a landing door and can be used for retracting the knife to be separated from the door ball.
Fig. 1 and 2 are front and rear views of the outward opening type integrated car door lock synchronous door knife in a normal knife opening interlocking state, which is a product packaging and shipping state and is not a working state. Fig. 3 and 4 are a front view and a rear view of the outward-opening type integrated car door lock synchronous door knife in a knife-opening unlocking state, at the moment, a landing door can be opened and closed, namely, in a normal working state, and the door knife assembly 2 is unlocked in a floating manner under the limiting action of a landing door ball, so that the door can be opened and closed. Fig. 5 and 6 are a front view and a rear view of the outward-expanding integrated car door lock synchronous door vane in a closing and interlocking state, namely an elevator up-down state. Fig. 7 and 8 are a front view and a rear view of the outward-opening integrated car door lock synchronous door vane in a state of retracting and pushing the door to unlock, at the moment, in a state of pushing the door to rescue the elevator from the inside of the car or the side of the floor door in a leveling zone, after the elevator is electrified and retracted in the leveling zone, the door vane assembly 2 is unlocked in a floating manner under the limiting action of a floor door ball, so that the door can be opened and closed.
Wherein, door sword subassembly 2 sets up on door sword bottom plate 1. The sliding assembly 3 comprises a guide rod 31, a first elastic piece 32 and a second elastic piece 33, the guide rod 31 is arranged on the door knife bottom plate 1 in a sliding mode, the guide rod 31 can drive the door knife assembly to open or close the knife, one end of the first elastic piece 32 and one end of the second elastic piece 33 are arranged on the door knife bottom plate 1 respectively, and the other end of the first elastic piece 32 and the other end of the second elastic piece 33 are arranged on the guide rod 31 respectively. As shown in fig. 9, when the door vane assembly is a 2-piece door vane, the axes of the first elastic member 32 and the second elastic member 33 form an included angle (schematically, an obtuse angle in the drawing, and may be a right angle or an acute angle); as shown in fig. 10, when the door vane assembly 2 is retracted, the axes of the first elastic member 32 and the second elastic member 33 are coincident. In this embodiment, the first elastic element 32 and the second elastic element 33 are both compression springs, and the door vane base plate 1 is provided with a slide rail 12, and the slide rail is slidably fitted on the slide rail 12.
When the guide rod 31 slides on the door vane bottom plate 1, the door vane assembly 2 is switched from a vane-expanding position (shown in fig. 3 and 4) to a vane-retracting position (shown in fig. 5 and 6), the relative positions of the axes of the first elastic member 32 and the second elastic member 33 are switched from an included angle position to a flat angle position, at this time, the axes of the first elastic member 32 and the second elastic member 33 are overlapped, the first elastic member 32 and the second elastic member 33 are located at a dead point balance self-locking position, when the elevator door motor is powered off accidentally, the sliding assembly 3 cannot be reset to the included angle position by the first elastic member 32 and the second elastic member 33, at this time, the door vane assembly 2 keeps the vane-retracting position, so that the door vane assembly 2 is prevented from impacting a door ball of a landing door during turning rescue, a secondary problem can be solved, and the safety performance is high. When the belt of the gantry crane drives the guide rod 31 to slide to pull the first elastic part 32 and the second elastic part 33 to the flat angle position from the included angle position, the elastic force of the first elastic part 32 and the second elastic part 33 is larger before smaller, the power requirement of the gantry crane motor can be reduced, the driving force requirement is small, and the sliding of the sliding component 3 can be completed by adopting a motor with smaller power.
In order to conveniently support the gate ball of the landing door, optionally, the gate knife assembly 2 includes a first knife arm 21, a second knife arm 22, a knife arm swing rod 23 and a knife arm connecting rod 24, the first knife arm 21 and the second knife arm 22 are linked through the knife arm swing rod 23, the knife arm swing rod 23 is rotatably disposed on the gate knife base plate 1, and the knife arm swing rod 23 is connected with the guide rod 31 through the knife arm connecting rod 24. When the guide rod 31 slides leftwards on the door vane bottom plate 1, the knife arm connecting rod 24 is driven to move downwards, so that the knife arm swing rod 23 is driven to rotate, and the knife arm swing rod 23 drives the first knife arm 21 and the second knife arm 22 to move away from each other.
Alternatively, as shown in fig. 11 to 14, one end of the knife arm swing link 23 is connected to the first knife arm 21 and the knife arm link 24, respectively, and the other end of the knife arm swing link 23 is connected to the second knife arm 22. In this embodiment, the middle of the knife arm swing rod 23 is rotatably connected to the door knife base plate 1, and two ends of the knife arm swing rod 23 are centrosymmetric. It should be noted that fig. 11 shows the knife arm link 24 in the knife-open interlocking state, fig. 12 shows the knife arm link 24 in the knife-open unlocking state, fig. 13 shows the knife arm link 24 in the knife-close interlocking state, and fig. 14 shows the knife arm link 24 in the knife-close unlocking state.
Optionally, an arc-shaped limiting groove 11 is formed in the door vane base plate 1, the knife arm swing rod 23 and the knife arm connecting rod 24 are located on two sides of the door vane base plate 1, and a connecting end of the knife arm swing rod 23 and the knife arm connecting rod 24 is slidably disposed in the arc-shaped limiting groove 11. In this embodiment, when the connecting end of the knife arm swing rod 23 and the knife arm connecting rod 24 is located at the upper end of the arc-shaped limiting groove 11, the door knife assembly 2 is located at a knife-opening position; when the connecting end of the knife arm swing rod 23 and the knife arm connecting rod 24 is positioned at the lower end of the arc-shaped limiting groove 11, the door knife assembly 2 is in a knife retracting position.
In order to keep the first knife arm 21 and the second knife arm 22 moving synchronously, optionally, the door knife assembly 2 further comprises a driven rod 25, the driven rod 25 is rotatably disposed on the door knife base plate 1, one end of the driven rod 25 is connected with the first knife arm 21, and the other end is connected with the second knife arm 22.
Optionally, as shown in fig. 15 and 16, the outward-opening type integrated car door lock synchronous door vane further includes a limiting assembly 4, the limiting assembly 4 includes a trigger rod 41 and a limiting rod 42, the trigger rod 41 is rotatably disposed on the door vane bottom plate 1, one end of the trigger rod 41 abuts against the guide rod 31, the other end of the trigger rod 41 can be clamped with the limiting rod 42, and the limiting rod 42 can limit the rotation of the trigger rod 41. When the guide rod 31 slides on the door vane bottom plate 1, the guide rod 31 pushes the trigger rod 41 to rotate, and after the trigger rod 41 rotates to a certain angle, the other end of the trigger rod 41 can be clamped with the limiting rod 42, so that the trigger rod 41 is limited to continue rotating. It should be noted that fig. 15 shows the corresponding limiting assembly 4 when the door vane assembly 2 is in the knife-opening state, and fig. 16 shows the corresponding limiting assembly 4 when the door vane assembly 2 is in the knife-retracting state.
Optionally, the limiting assembly 4 further includes a mounting plate 43 and an elastic resetting member 44, the mounting plate 43 is disposed on the door vane base plate 1, the limiting rod 42 is rotatably disposed on the mounting plate 43, one end of the limiting rod 42 is connected to the mounting plate 43 through the elastic resetting member 44, and the other end can block the triggering rod 41 to limit the rotation of the triggering rod 41. When the trigger lever 41 is reversely rotated, the trigger lever 41 is restored to the original position by the elastic force of the elastic restoring member 44.
In order to ensure smooth transmission, optionally, one end of the trigger rod 41 is provided with a trigger roller 411, the trigger roller 411 abuts against the guide rod 31, the other end of the trigger rod 41 is provided with a clamping roller 412, the end of the limiting rod 42 is provided with a limiting clamping hook 421, and the clamping roller 412 can be clamped with the limiting clamping hook 421.
Optionally, as shown in fig. 17 and 18, the outward-opening type integrated car door lock synchronous door vane further comprises a locking hook assembly 5, the locking hook assembly 5 comprises a locking hook 51 and a parallelogram mechanism 52, the locking hook 51 is rotatably arranged on the door vane bottom plate 1, and the parallelogram mechanism 52 can drive the locking hook 51 to lift or drop a hook. When the latch hook 51 is lifted, the landing door and the car door are unlocked; when the latch hook 51 is lifted, the landing door and the car door are interlocked. Fig. 17 shows the shackle assembly 5 in the interlocked state, and fig. 18 shows the shackle assembly 5 in the unlocked state.
Optionally, the parallelogram mechanism 52 includes a first rod 521, a second rod 522 and a third rod 523, which are hinged in sequence, the first rod 521 and the latch hook 51 are integrally formed, the third rod 523 is rotatably disposed on the door vane base plate 1, and the latch hook 51 is driven by pushing the second rod 522 to lift or drop the hook. In the present embodiment, the second rod 522 is pushed to the right, the second rod 522 drives the first rod 521 and the third rod 523 to rotate clockwise, the first rod 521 drives the locking hook 51 to rotate clockwise, and the locking hook 51 is switched from the hook falling position to the hook lifting position.
When the guide rod 31 slides on the door vane bottom plate 1, the door vane assembly 2 is switched from the vane-opening position to the vane-retracting position, the axis relative positions of the first elastic member 32 and the second elastic member 33 are switched from the included angle position to the flat angle position, at this time, the axes of the first elastic member 32 and the second elastic member 33 are overlapped, the first elastic member 32 and the second elastic member 33 are located at the dead point balance self-locking position, when the elevator door is powered off accidentally, the sliding assembly 3 cannot be reset to the included angle position by the first elastic member 32 and the second elastic member 33, at this time, the door vane assembly 2 keeps the vane-retracting position, thereby preventing the door vane assembly 2 from impacting the door ball of the landing door during the turning rescue, solving the problem of secondary door closing, having high safety performance, when the door belt drives the guide rod 31 to slide to pull the first elastic member 32 and the second elastic member 33 from the included angle position to the flat angle position, the first elastic member 32 and the second elastic member 33 have larger elastic force and smaller elastic force, so that the power requirement of the motor of the gantry crane can be reduced, the driving force requirement is small, and the sliding of the sliding component 3 can be completed by adopting the motor with smaller power.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. The utility model provides an integrated sedan-chair lock of external expanding synchronous door sword which characterized in that includes:
a door vane bottom plate (1);
the door knife assembly (2) is arranged on the door knife bottom plate (1);
the sliding assembly (3) comprises a guide rod (31), a first elastic piece (32) and a second elastic piece (33), the guide rod (31) is arranged on the door knife bottom plate (1) in a sliding mode, the guide rod (31) can drive the door knife assembly (2) to open or close a knife, one end of the first elastic piece (32) and one end of the second elastic piece (33) are arranged on the door knife bottom plate (1) respectively, and the other end of the first elastic piece (32) and the other end of the second elastic piece (33) are arranged on the guide rod (31) respectively;
when the door knife assembly (2) opens the knife, the axes of the first elastic piece (32) and the second elastic piece (33) form an included angle;
when the door knife assembly (2) retracts, the axes of the first elastic piece (32) and the second elastic piece (33) are overlapped.
2. The synchronous hilt of outward-opening integrated sedan-chair lock according to claim 1, characterized in that, the hilt component (2) includes first knife arm (21), second knife arm (22), knife arm pendulum rod (23) and knife arm connecting rod (24), the first knife arm (21) and the second knife arm (22) are linked through the knife arm pendulum rod (23), the knife arm pendulum rod (23) is rotationally arranged on the hilt base plate (1), and the knife arm pendulum rod (23) is connected with the guide rod (31) through the knife arm connecting rod (24).
3. The synchronous hilt of claim 2, wherein one end of the hilt swing link (23) is connected to the first hilt (21) and the hilt link (24), and the other end of the hilt swing link (23) is connected to the second hilt (22).
4. The exterior-expanding integrated car door lock synchronous door knife according to claim 3, wherein an arc-shaped limiting groove (11) is formed in the door knife bottom plate (1), the knife arm swing rod (23) and the knife arm connecting rod (24) are located on two sides of the door knife bottom plate (1), and the connecting end of the knife arm swing rod (23) and the knife arm connecting rod (24) is arranged in the arc-shaped limiting groove (11) in a sliding mode.
5. The exterior-expanding integrated car door lock synchronous door vane according to claim 2, characterized in that the door vane assembly (2) further comprises a driven rod (25), the driven rod (25) is rotatably arranged on the door vane base plate (1), one end of the driven rod (25) is connected with the first vane arm (21), and the other end is connected with the second vane arm (22).
6. The synchronous hilt of outward-expanding integrated sedan-chair lock of claim 1, characterized in that, still includes spacing subassembly (4), spacing subassembly (4) include trigger bar (41) and gag lever post (42), trigger bar (41) rotate set up on hilt bottom plate (1), one end of trigger bar (41) with guide arm (31) support and lean on, the other end can with gag lever post (42) joint, gag lever post (42) can restrict the rotation of trigger bar (41).
7. The synchronous door sword of outward-expanding integrated sedan-chair lock of claim 6, characterized in that, spacing subassembly (4) still includes mounting panel (43) and elasticity piece (44) that resets, mounting panel (43) set up on door sword bottom plate (1), gag lever post (42) rotate set up on mounting panel (43), one end of gag lever post (42) through elasticity piece (44) that resets is connected in mounting panel (43), the other end can block trigger lever (41) to the rotation of restriction trigger lever (41).
8. The synchronous hilt of outward-opening integrated sedan-chair lock of claim 6, characterized in that, one end of trigger lever (41) is provided with trigger roller (411), trigger roller (411) and guide arm (31) support and lean on, the other end of trigger lever (41) is provided with joint roller (412), the tip of gag lever post (42) is provided with spacing trip (421), joint roller (412) can with spacing trip (421) joint.
9. The synchronous door vane of outward-expanding integrated sedan-chair lock of claim 1, characterized by further comprising a latch hook subassembly (5), wherein the latch hook subassembly (5) comprises a latch hook (51) and a parallelogram mechanism (52), the latch hook (51) is rotatably arranged on the door vane bottom plate (1), and the parallelogram mechanism (52) can drive the latch hook (51) to lift or drop the hook.
10. The synchronous door vane of outward-expanding integrated car door lock according to claim 9, characterized in that the parallelogram mechanism (52) comprises a first rod (521), a second rod (522) and a third rod (523) which are hinged in sequence, the first rod (521) and the latch hook (51) are integrally formed, the third rod (523) is rotatably arranged on the door vane bottom plate (1), and the latch hook (51) is driven to lift or drop by pushing the second rod (522).
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Cited By (1)
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|---|---|---|---|---|
| CN113291957A (en) * | 2021-06-17 | 2021-08-24 | 上海江菱机电有限公司 | Synchronous door vane retaining mechanism for elevator |
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