CN210343028U

CN210343028U - Self-locking device of split cover-lifting door

Info

Publication number: CN210343028U
Application number: CN201920438583.4U
Authority: CN
Inventors: 高颖; 李粤丰; 王�锋
Original assignee: Suzhou Vocational University
Current assignee: Suzhou Vocational University
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-04-17
Anticipated expiration: 2029-04-02

Abstract

The utility model provides a self-lock device of split type flip door, the lift body rises the butt and jack-up drive goods of furniture for display rather than for use, the drive goods of furniture for display rather than for use drives the locking piece rotation and breaks away from and move to the unblock position from the locking position on the second member, realize that split type flip door unblock and upwards jack-up by the lift body is opened, thereafter split type flip door moves both closures downwards under self action of gravity, the locking piece moves to the locking position from the unblock position on the second member, realize split type flip door locking. The utility model discloses can realize the locking with the help of self gravity that open lift lid door, can effectively improve the work efficiency of lift with the help of the automatic unblock of the upward motion of lift body again simultaneously, simple structure, processing is convenient, is favorable to extensively using.

Description

Self-locking device of split cover-lifting door

Technical Field

The utility model relates to a lift technical field, concretely relates to a self-lock device that is used for lift well interior to open and lift lid door.

Background

The hoistway-type elevator includes a hoistway and an elevator body provided in the hoistway. In order to prevent falling objects from falling and damaging the elevator body for safety, a split-type cover-lifting door is generally installed at an opening at the upper end of a hoistway in a conventional hoistway-type elevator, when the elevator needs to be maintained and checked for safety, the elevator is lifted to lift the cover-lifting door away from the hoistway, and when the elevator normally operates, the cover-lifting door is in a closed state.

However, some of the existing split cover-lifting doors are not provided with locking devices, so that the cover-lifting doors are not closed tightly, and sundries with small volume easily fall into a hoistway to influence the operation safety of the elevator. Some split cover-opening doors are additionally provided with locking devices, but the locking devices are complex in structure, inflexible in opening and closing actions and complex in operation, and influence the working efficiency of the elevator.

Therefore, a self-locking device with simple structure and flexible and convenient use needs to be designed to overcome the defects and shortcomings of the prior art.

Disclosure of Invention

In view of this, the utility model aims at providing a self-lock device that is used for lift well interior to open and lift lid door, this self-lock device can accomplish the locking operation with the help of lifting the self gravity of lid door, can realize the unblock operation with the help of the rising motion of lift body again, simple structure, and it is nimble convenient to use.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a self-locking device of a split cover-lifting door comprises a first cover plate and a second cover plate which are symmetrically arranged at the opening at the top end in a lift well, the first cover plate and the second cover plate are hinged with the inner wall of the lift well to realize the opening and closing of the first cover plate and the second cover plate relative to the lift well, a lift body capable of moving up and down is also arranged in the lift well,

the self-locking device is arranged on the split type cover-opening door and comprises a first member, a second member and a locking piece, the first member and the second member are symmetrically arranged on the bottom surfaces of the first cover plate and the second cover plate, the locking piece is rotatably arranged on the first member, one end of the locking piece extends and is embedded into the second member, a driving swing part is sleeved on the locking piece, and a locking position and an unlocking position are arranged on the second member corresponding to the embedding position of the locking piece; the lift body rises the butt and jack-up drive goods of furniture for display rather than for use, and the drive goods of furniture for display rather than for use drives the locking piece and rotates and break away from and move to the unblock position from the locking position on the second member, realizes that the door unblock is covered to open type lift and is upwards jacked up by the lift body and open, and open type lift covers the door and moves both closures downwards under self action of gravity afterwards, and the locking piece moves to the locking position from the unblock position on the second member, realizes the locking of open type lift covers the door.

Preferably, the first member comprises a top plate, a first side plate and a second side plate respectively extend downwards from two sides of the top plate, the first side plate and the second side plate form an inverted U-shaped structure, the top plate is fixed on the bottom surface of the first cover plate, the second member comprises a first plate body and a second plate body, the second plate body is L-shaped, one end of the second plate body is fixed on the bottom surface of the second cover plate, the other end of the second plate body is fixedly connected with the first plate body, a movable cavity perpendicular to the bottom surface of the second cover plate is formed in the first plate body, the locking piece penetrates through the first side plate and the second side plate of the first member, one end of the locking piece is fixed through a nut, and the other end of the locking piece extends and is embedded into.

Preferably, the locking member comprises a rotating pin shaft and a clamping portion, the rotating pin shaft penetrates through the first side plate and the second side plate, the driving swing piece is sleeved on a part between the first side plate and the second side plate, one end of the rotating pin shaft is fixed through a nut, the other end of the rotating pin shaft is fixed with the clamping portion, the clamping portion is embedded into the movable cavity, a locking position and an unlocking position are sequentially arranged in the movable cavity along the opening direction of the side-by-side flip door, the lifter body rises and abuts against and jacks up the driving swing piece, the driving swing piece drives the rotating pin shaft to rotate so that the clamping portion is separated from the locking position on the movable cavity and moves to the unlocking position, the side-by-side flip door is unlocked and is upwards jacked and lifted up and opened by the lifter body, the side-by-side flip door moves downwards under the action of self gravity, and the clamping portion moves to the locking position from the unlocking position on the movable cavity, realizing the locking of the split cover-lifting door.

As preferred, joint portion is a half cylinder, the activity chamber is formed by a perforation and a shape groove combination, the top of through hole sets up the bar groove to extend to the top of first plate through the bar groove, the locking position of joint portion is defined to the part of activity intracavity through hole, and the unlocking position of joint portion is defined to the part in activity intracavity bar groove, and the joint portion is located the locking position when the stupefied both sides of the half cylinder of joint portion all with the contact of perforation inner wall promptly, and the joint portion is from the unlocking of locking position promptly when the stupefied inner wall that breaks away from with the through hole in arbitrary one side of the half cylinder of joint portion promptly.

Preferably, the diameter of the through hole is equal to the diameter of the semi-cylinder of the clamping part, the width of the strip-shaped groove is smaller than the diameter of the semi-cylinder of the clamping part and larger than the radius of the semi-cylinder of the clamping part, and the central angle of the arc-shaped surface projected on the through hole by the strip-shaped groove is 95-110 degrees.

Preferably, the drive goods of furniture for display rather than for use is a connecting rod, the one end of connecting rod is fixed in the part that the axis of rotation round pin is located between first curb plate and the second curb plate through fastening screw, the other end shaping has the butt portion of a perpendicular to connecting rod body of rod, rise butt and jack-up connecting rod when the lift body, the connecting rod uses the axle center of axis of rotation round pin as the dot, the pole length of connecting rod rotates for the radius, and it is rotatory to drive the axis of rotation round pin, so that the halfcylinder of joint portion breaks away from to the inner wall of one of them stupefied and through hole of through hole internal rotation in the through hole, joint portion unlocks from the locking position, make joint portion move to the unblock position from locking position simultaneously along with the lift body constantly rises makes the butt portion of connecting rod and first lid door plant.

Preferably, the end parts of the first side plate and the second side plate of the first member are respectively concavely formed with a first stopping part and a second stopping part, when the clamping part is located at the locking position, the connecting rod is abutted against the first stopping part and the second stopping part, the axis of the connecting rod is at an included angle of 30-40 degrees with the perpendicular bisector of the first member, and when the clamping part is located at the unlocking position, the axis of the connecting rod is at an included angle of 40-60 degrees with the perpendicular bisector of the first member.

Compared with the prior art, the utility model provides a pair of a self-lock device that is used for lift well interior to open and lifts lid door can realize the locking with the help of the self gravity that opens and lifts the lid door, can effectively improve the work efficiency of lift simultaneously again with the help of the automatic unblock of the upward motion of lift body, simple structure, and processing is convenient, is favorable to extensively using.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 these drawings without creative efforts.

Fig. 1 is a front view of a self-locking device of a two-piece flip door according to the present invention;

FIG. 2 is a front view of a second member of the self-locking device of the cover-opening door according to the present invention;

fig. 3 is a left side view of the self-locking device of the two-piece cover-opening door according to the present invention.

Reference numerals and component parts description referred to in the drawings:

1. a first member; 2. a second member; 3. a nut; 4. rotating the pin shaft; 5. a clamping part; 6. a through hole; 7. a strip-shaped groove; 8. a connecting rod; 9. fastening screws; 10. an abutting portion; 11. a first cover plate; 12. second cover door plate

101. A top plate; 102. a first side plate; 103. a second side plate; 104. a first stopper portion; 105. a second stopper portion;

201. a first plate body; 202. a second plate body.

Detailed Description

The technical solution of the present invention will be described clearly and completely through the following detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 3, a self-locking device for a cover-opening door is provided on a cover-opening door. The split type cover lifting door comprises a first cover plate 11 and a second cover plate 12 which are symmetrically arranged at the opening position of the top end in the lift well, the first cover plate 11 and the second cover plate 12 are hinged with the inner wall of the lift well, the two cover plates are opened and closed relative to the lift well, the well opening can be closed after the two cover plates are closed, and the effect of safety protection is achieved. An elevator body which can move up and down is also arranged in the elevator shaft.

Further, self-lock device includes first component 1, second component 2 and locking piece, and first component 1, the bottom surface at first door plant 11 and second door plant 12 is installed to second component 2 symmetry, and the locking piece is rotatory to be set up on first component 1 and one end extends embedding second component 2 in, and the cover is equipped with a drive goods of furniture for display rather than for use on the locking piece, and the embedding position that corresponds the locking piece on the second component 2 is equipped with locking position and unblock position. The simple working process of the self-locking device is as follows: the lift body rises the butt and jack-up drive goods of furniture for display rather than for use, and the drive goods of furniture for display rather than for use drives the locking piece and rotates to break away from and move to the unblock position from the locking position on the second member 2, realizes that the door unblock is covered to open lifting and is upwards jacked up by the lift body and open lifting after that, and open lifting covers the door and moves both closures downwards under self action of gravity, and the locking piece moves to the locking position from the unblock position on the second member 2, realizes open lifting and covers the locking of door.

The following detailed description is directed to various components.

The first member 1 includes a top plate 101, two sides of the top plate 101 respectively extend downwards to form a first side plate 102 and a second side plate 103, the first side plate 102 and the second side plate 103 form an inverted U-shaped structure, meanwhile, end portions of the first side plate 102 and the second side plate 103 of the first member 1 are respectively formed with a first stopping portion 104 and a second stopping portion 105 in a concave manner, and the top plate 101 is fixed on a bottom surface of the first cover plate 11. The second member 2 includes a first board 201 and a second board 202, the second board 202 is L-shaped, one end of the second board is fixed on the bottom surface of the second door covering board 12, the other end of the second board is fixedly connected with the first board 201, and the first board 201 is provided with a movable cavity perpendicular to the bottom surface of the second door covering board 12. The locking piece penetrates through the first side plate 102 and the second side plate 103 of the first component 1, one end of the locking piece is fixed through the nut 3, and the other end of the locking piece extends and is embedded into the movable cavity.

In this embodiment, the locking member includes a rotating pin 4 and a clamping portion 5, the rotating pin 4 penetrates through the first side plate 102 and the second side plate 103, and the driving swing portion is sleeved on a portion between the first side plate 102 and the second side plate 103. One end of the rotating pin shaft 4 is fixed through the nut 3 and used for axial fixing, the clamping portion 5 is fixed at the other end, and the clamping portion 5 is embedded into the movable cavity.

The activity intracavity is opened the direction along opening the lid door and is set gradually locking position and unblock position, the lift body rises butt and jack-up drive goods of furniture for display rather than for use, the drive goods of furniture for display rather than for use drives 4 rotations of swivel pin axle and makes 5 joint portions break away from and move to the unblock position from the locking position on the activity chamber, realize opening the lid door unblock and by lift body jack-up upwards and open, after that open the lid door and closed both of downstream under self action of gravity, 5 unblock position from the activity chamber of joint portion move to the locking position, realize opening the lid door locking.

The joint portion 5 in the locking piece is a half cylinder, and the activity chamber is formed by a perforation hole 6 and a bar groove 7 combination, and the top of perforation hole 6 sets up bar groove 7 to extend to the top of first plate body 201 through bar groove 7. The above-mentioned locking position and unlocking position are defined by the portion of the through hole 6 in the movable chamber and the portion of the strip-shaped groove 7, respectively. When the both sides of the half-cylinder body of joint portion 5 are stupefied all with the contact of through hole 6 inner wall promptly joint portion 5 is located the locking position, stupefied and the inner wall of through hole 6 of arbitrary one side of the half-cylinder body of joint portion 5 promptly when breaking away from promptly joint portion 5 from the unblock of locking position.

In order to limit the locking or slipping of the clamping portion 5 between the through hole 6 and the strip-shaped groove 7, the diameter of the through hole 6 is set to be equal to the diameter of the semi-cylinder of the clamping portion 5, the width of the strip-shaped groove 7 is set to be smaller than the diameter of the semi-cylinder of the clamping portion 5 and larger than the radius of the semi-cylinder of the clamping portion 5, and the central angle of the arc-shaped surface of the projection of the strip-shaped groove 7 on the through hole 6 ranges from 95 degrees to 110 degrees.

The driving swing part is a connecting rod 8, one end of the connecting rod 8 is fixed on the part of the rotating pin shaft 4 between the first side plate 102 and the second side plate 103 through a fastening screw 9, and the other end is formed with an abutting part 10 perpendicular to the rod body of the connecting rod 8. When the lift body rises butt and jack-up connecting rod 8, connecting rod 8 uses the axle center of swivel pin axle 4 as the dot, the pole length of connecting rod 8 is rotatory for the radius, and it is rotatory to drive swivel pin axle 4, so that the halfcylinder of joint portion 5 rotates in through hole 6 to one of them stupefied inner wall with through hole 6 breaks away from, joint portion 5 unlocks from the locking position, along with the lift body constantly rises to make the butt portion 10 of connecting rod 8 and first door plant 11 contact make joint portion 5 move to the unblock position from the locking position simultaneously, realize self-lock device unblock and open and lift and cover the door and lift. At the same time, the connecting rod 8 has a weight sufficient to cause the rotation pin 4 to perform a rotational movement on the first member 1.

When joint portion 5 is located the locking position, connecting rod 8 supports with first backstop portion 104 and second backstop portion 105 and leans on, and its axis is 30 ~ 40 contained angle with the perpendicular bisector of first component 1, and when joint portion 5 was located the unblock position, the axis of connecting rod 5 was 40 ~ 60 contained angle with the perpendicular bisector of first component 1.

In use, the pivot pin 4 and the connecting rod 8 are mounted on the first member 1, and the first member 1 is fixed to the bottom surface of the first door leaf 11 of the side-by-side lift-off door, while the second member 2 is fixed by its second plate 202 to the bottom surface of the second door leaf 12 of the side-by-side lift-off door.

When in the locked state, the first cover plate 11 and the second cover plate 12 of the two-piece cover-opening door are closed to each other, and the well opening is closed, as shown in fig. 3. The clamping part 5 of the rotating pin shaft 4 is embedded in the through hole 6 of the second component 2. The connecting rod 8 is in a natural sagging state and is abutted against the first stopping part 104 and the second stopping part 105 of the first member 1, and at the moment, the axis of the connecting rod 8 and the perpendicular bisector of the first member 1 form an included angle of 30-40 degrees. Because the stupefied and the contact of 6 inner walls in through hole of both sides of the halfcylinder of joint portion 5, consequently joint portion 5 can't be followed through hole 6 and slided into bar groove 7 in, self-lock device is in locking state this moment.

When needing the unblock, the lift body rises to the well head from the well bottom along direction A in fig. 3, the lift body at first butt and jack-up connecting rod 8, connecting rod 8 uses the axle center of swivel pin axle 4 as the dot, the pole length of connecting rod 8 is the radius and rotates, and it is rotatory to drive swivel pin axle 4, as shown in direction B in fig. 3, so that the halfcylinder of joint portion 5 rotates to one side stupefied and break away from with the inner wall of through hole 6 in the through hole, joint portion 5 can follow the locking position slippage, along with the lift body constantly rises to make butt portion 10 and the first door covering panel 11 contact of connecting rod 8, and upwards jack-up first door covering panel 11 and second door covering panel 12, drive joint portion 5 simultaneously and move to the unblock position from the locking position, realize self-lock device unblock and open and lift the door covering.

After the elevator body falls back into the hoistway, the first cover plate 11 and the second cover plate 12 are automatically buckled under the action of the gravity of the elevator body. Meanwhile, the semi-cylindrical body of the clamping portion 5 slides into the through hole 6 again through the strip-shaped groove 7, after the semi-cylindrical body enters the through hole 6, the connecting rod 8 rotates reversely along the direction B in the figure 3 under the action of self gravity until abutting against the first stopping portion 104 and the second stopping portion 105, and the two side edges of the semi-cylindrical body of the clamping portion 5 are all in contact with the inner wall of the through hole 6, so that the whole automatic locking is realized.

The utility model provides a pair of self-lock device that is used for in lift well to open and lifts lid door can realize the locking with the help of the self gravity that opens and lifts the lid door, can effectively improve the work efficiency of lift simultaneously again with the help of the automatic unblock of the upward motion of lift body, simple structure, and processing is convenient, is favorable to extensively using.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a to open self-lock device who lifts lid door, to open first lid board and the second lid board that lifts lid door and set up the top end opening part in the lift well including the symmetry, first lid board, second lid board all are connected with the inner wall hinge of lift well, realize that both open and closed for the lift well, still be equipped with the lift body that can reciprocate in the lift well, its characterized in that:

2. The self-locking device of a cover-split door according to claim 1, wherein: the first component is including a roof, the both sides of roof downwardly extending respectively have first curb plate and second curb plate, and the three forms the structure of falling the U-shaped, the roof is fixed on the bottom surface of first door plant, the second component is including first plate body and second plate body, the second plate body is the L type, and its one end is fixed on the bottom surface of second door plant, and the other end and first plate body fixed connection, set up the activity chamber of a perpendicular to second door plant bottom surface on the first plate body, the locking piece passes through the first curb plate and the second curb plate of first component to one end is passed through the nut and is fixed, and the other end extends to imbed to the activity intracavity.

3. The self-locking device of a cover-split door according to claim 2, wherein: the locking piece comprises a rotating pin shaft and a clamping part, the rotating pin shaft penetrates through the first side plate and the second side plate, the driving swing piece is sleeved on a part between the first side plate and the second side plate, one end of the rotating pin shaft is fixed through a nut, the other end of the rotating pin shaft is fixed with the clamping part, the clamping part is embedded into the movable cavity, a locking position and an unlocking position are sequentially arranged in the movable cavity along the opening direction of the side-by-side flip door, the elevator body rises and abuts against and jacks up the driving swing piece, the driving swing piece drives the rotating pin shaft to rotate so that the clamping part is separated from the locking position on the movable cavity and moves to the unlocking position, the side-by-side flip door is unlocked and is jacked up and lifted up by the elevator body, the side-by-side flip door moves downwards under the action of self gravity and is closed, and the clamping part moves to the locking position from the unlocking position on, realizing the locking of the split cover-lifting door.

4. A self-locking device for a split lift-cover door according to claim 3, wherein: joint portion is a half cylinder, the activity chamber is formed by a perforation hole and a shape groove combination, the top of through hole sets up the bar groove to extend to the top of first plate through the bar groove, the partial definition of activity intracavity through hole is the locking position of joint portion, and the partial definition in activity intracavity bar groove is the unblock position of joint portion, and joint portion is located the locking position when the stupefied both sides of the halfcylinder of joint portion all contact with the perforation inner wall promptly, and joint portion is from the unblock of locking position promptly when stupefied the inner wall with the through hole of arbitrary one side of the halfcylinder of joint portion breaks away from.

5. The self-locking device of a cover-split door according to claim 4, wherein: the diameter of through hole equals the diameter of joint portion halfcylinder, the width in bar groove is less than the diameter of joint portion halfcylinder and is greater than the radius of joint portion halfcylinder, the central angle of the arcwall face of bar groove projection on the through hole is 95 ~ 110.

6. The self-locking device of a cover-split door according to claim 4, wherein: the drive goods of furniture for display rather than for use is a connecting rod, the one end of connecting rod is fixed in the part that the axis of rotation round pin is located between first curb plate and the second curb plate through fastening screw, the other end shaping has the butt portion of a perpendicular to connecting rod body of rod, rise butt and jack-up connecting rod when the lift body, the connecting rod uses the axle center of axis of rotation round pin as the dot, the pole length of connecting rod rotates for the radius, and it is rotatory to drive the axis of rotation round pin, so that the halfcylinder of joint portion breaks away from to the inner wall of one side stupefied and through hole in the through hole internal rotation, joint portion unblock from the locking position, make joint portion move to the unblock position from the locking position simultaneously with the contact of first apron door board along with the lift body constantly rises, realize self-lock.

7. The self-locking device of a cover-split door according to claim 6, wherein: the tip of the first curb plate of first component and second curb plate indent shaping respectively has first backstop portion and second backstop portion, and when joint portion was located the locking position, the connecting rod leaned on with first backstop portion and second backstop portion, and its axis is 30 ~ 40 contained angle with the perpendicular bisector of first component, and when joint portion was located the unblock position, the axis of connecting rod was 40 ~ 60 contained angle with the perpendicular bisector of first component.