CN210884795U - Elevator buffer device with locking structure - Google Patents
Elevator buffer device with locking structure Download PDFInfo
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- CN210884795U CN210884795U CN201921442126.9U CN201921442126U CN210884795U CN 210884795 U CN210884795 U CN 210884795U CN 201921442126 U CN201921442126 U CN 201921442126U CN 210884795 U CN210884795 U CN 210884795U
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- buffer
- base
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- lock
- locking
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Abstract
The utility model discloses a take elevator buffer of locking structure, this buffer are provided with the buffer of different length and come its conversion to the buffer of difference through transmission structure, are provided with locking device simultaneously in transmission structure, and the device can lock the position state of buffer for the buffer of different length must not take place the conversion under the state of no order. Because the buffers that set up are different in length for the staff of elevator has not only safely ensured when elevator pit is worked, longer buffer also for staff's providing extends the space simultaneously, lets going on that its work can be more smooth.
Description
Technical Field
The utility model relates to an elevator device especially relates to an elevator buffer.
Background
Certain distance needs to be left between elevator pit ground and the elevator car, leaves sufficient space for the elevator slows down on the one hand, ensures personnel's activity space and safety space when on the other hand is the elevator maintenance.
In the prior art, the depth of the pit is set to be large, and although workers can conveniently overhaul the pit, the pit is not provided with a safety maintenance protection device, so that the safety of workers in the pit is threatened. The depth of the pit is small, inconvenient maintenance, can have the problem that the height of elevator pit ground from elevator car is undersize, and this kind of condition is called shallow pit because can't dig the bottom surface, and when the maintenance elevator, the maintenance personal not only is difficult to develop the health, but also the accident that the car collided on ground still easily takes place.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the above-mentioned technical problem, provide an elevator buffer who takes locking structure through the buffer of converting different length.
The utility model discloses a realize through following technical scheme:
an elevator buffer device with a locking structure comprises a base, a first buffer and a second buffer; the first buffer is longer than the second buffer, the second buffer is connected with the first buffer, and the first buffer is vertical to the second buffer; the sliding end of the first buffer is connected with the second guide structure; when the transmission structure drives the sliding end of the first buffer to slide along the second guide structure, the two states of the first buffer upwards and the second buffer upwards alternately appear; the locking mechanism comprises a locking pin and a first limiting block; the lock pin and the first limiting block are arranged, one is arranged on the first buffer, and the other is arranged on the base; the lockpin is connected with the first limiting block and is used for locking the first buffer into a vertical state. The electromagnetic lock is arranged on the base, and a pin shaft of the electromagnetic lock is connected with a first limiting block; the electromagnetic lock is used for driving the first limiting block to be far away from the lock pin.
Preferably, a bayonet used for connecting the lock pin is arranged on the first limiting block. The contact lock is arranged on the base or the first buffer; the contact lock comprises a shell and a buckle sheet; when the first buffer is switched to be in a horizontal state, the base and the first buffer are buckled through the contact lock, and the horizontal state of the first buffer is locked.
Preferably, the contact lock is arranged at one end of the base far away from the guide structure or at a position on the first buffer far away from the sliding end of the first buffer; when the first buffer is in a horizontal state, one end of the base, which is far away from the guide structure, is buckled with the first buffer through the contact lock.
Preferably, guide structure includes the connecting rod and sets up the spout on the base, and the base and first buffer are articulated respectively at the both ends of connecting rod, and the expansion end of first buffer is connected in the spout.
Preferably, the sliding end of the first buffer is provided with a positioning pin, the positioning pin is connected in the second sliding groove, and the positioning pin can slide along the second sliding groove.
Preferably, the detent pin acts as a detent.
Preferably, the first buffer and the second buffer comprise buffer supports and buffer punches; one end of the first buffer far away from the sliding end is a buffer head; one end of the second buffer far away from the first buffer is a buffer head; the buffer support of the first buffer is longer than the buffer support of the second buffer.
Preferably, the transmission structure comprises a cylinder body; the shell of the cylinder body and the piston rod are hinged with the base, and the other is hinged with the sliding end of the first buffer.
The beneficial effects are that: compared with the prior art, the utility model relates to a take locking device's elevator buffer is provided with the buffering head of different length, for the maintenance demand of elevator or other operation demands that need accomplish in the elevator pit, the adjustable buffering head that facilitates for the difference lets elevator car and hole bottom distance enlarge, and staff's extension space grow has meanwhile also prevented elevator car from descending at elevator staff studio, causes the casualties.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of a buffer device;
FIG. 2 is a schematic top view of a cushioning device;
FIG. 3 is a schematic diagram of a first bumper rotation;
FIG. 4 is a schematic diagram of the operation of the first buffer;
fig. 5 is a schematic diagram of an electromagnetic lock.
Detailed Description
As shown in fig. 1-5, an elevator buffer device with a locking structure comprises a base, a first buffer 2 and a second buffer 3; first buffer 2 is longer than second buffer 3, second buffer 3 is fixed on first buffer 2, first buffer 2 is perpendicular with second buffer 3, so after first buffer 2 is rotatory under power drive's the condition, can drive second buffer 3 and rotate together, this elevator buffer still including second guide structure and transmission structure, the end of sliding of first buffer 2 is connected in second guide structure, second guide structure sets up on the base, when transmission structure drives first buffer 2 end of sliding and slides along second guide structure, first buffer 2 is upwards and second buffer 3 is upwards these two kinds of states alternate appearance, its implementation mode is: when the motor 1 operates, the transmission structure works to drive the sliding end of the first buffer 2 to slide on the guide structure, and the elevator can switch the two buffers to work on the bottom of the elevator car according to the requirement of the elevator.
Although the motor can brake the buffer device when braking, the locking structure is safer.
The transmission structure comprises a gear 7 and a rack 8. The gear and rack may be arranged such that: gear 7 and rack 8, gear 7 connects on the base, and rack 8 connects at the end that slides of first buffer 2, and gear 7 and rack 8 mesh, and motor 1 sets up on the base, and motor 1 drives gear 7 simultaneously and rotates to make its rack 8 who meshes operate. The second guide structure is connected to the middle part of the base by the end part of the base, and the gear 7 is arranged in the middle part of the base; when the sliding end of the first buffer 2 is arranged at the end part of the base, the first buffer 2 is in a horizontal state, and the second buffer 3 is vertically upward; when the transmission structure drives the sliding end of the first buffer 2 to slide to the middle part of the base, the first buffer is vertically upwards arranged at the middle part of the base, and the second buffer 3 is in a horizontal state.
The gear and rack may also be arranged: the second guide structure is connected to the middle part of the base by the end part of the base; the rack 8 is connected to the base, the rack 8 can be longer than the second guide structure, one end of the rack 8 is aligned with one end of the base or can be one end of the second sliding chute 14, and the other end of the rack 8 is aligned with the other end of the second sliding chute 14 or is longer than the second sliding chute 14; when the sliding end of the first buffer 2 is arranged at the end part of the base, the first buffer 2 is in a horizontal state, and the second buffer 3 is vertically upward; when the transmission structure drives the sliding end of the first buffer 2 to slide to the middle part of the base, the first buffer 2 is vertically upwards arranged at the middle part of the base, and the second buffer 3 is in a horizontal state.
The second buffer 3 includes one connected to the middle of the first buffer 2, and the second buffer 3 may be provided on the first buffer 2 and installed at the middle of the first buffer 2.
Two second dampers 3 may be installed on the first damper 2, and two second dampers 3 may be installed at both ends of the damping bracket 5 of the first damper 2.
The device is provided with a locking structure, and the locking structure comprises a lock pin and a first limiting block 12; lockpin and first stopper 12, one sets up on first buffer 2, another sets up on the base, specifically be two kinds of condition, the lockpin can set up on the base, first stopper 12 sets up on first buffer 2, first stopper 12 can slide on the second spout, first buffer is smooth 2 and is driven first stopper 12 and be close to the back to the lockpin, first stopper 12 can be detained on the lockpin, lock first buffer 2, the lockpin is used for being vertical with first buffer 2 locking with being connected of first stopper 12.
Alternatively, the lock pin may be disposed on the first buffer 12, and the first stopper may be disposed on the base. When the lock pin directly acts as a positioning pin, the lock pin can slide on the second sliding groove, and after the lock pin slides to the first limiting block 12, the first limiting block 12 buckles the lock pin to lock the first buffer 2. The sliding end of the first buffer 2 is provided with a positioning pin 13 connected in the second sliding slot 14, and the positioning pin 13 can slide along the second sliding slot 14. The detent serves as a detent pin 13.
The elevator buffer device comprises a first guide structure arranged on the base, and the first guide structure is used for controlling the rack 8 to directionally slide. The first guide structure comprises a first runner 11, the toothed rack 8 being partially housed in the first runner 11. First spout 11 sets up on fixed plate 10 on the base, the upper boundary of rack 8 cooperatees with first spout 11 that sets up on fixed plate 10, rack 8 can slide on first spout 11, its cooperation mode can be rack 8 is provided with the trench on the border, there is the setting on first spout 11 and rack 8 trench matched with arch, this trench can slide in the arch, and be fluted on the bellied both sides, both sides surface has the convex part of cooperation recess in the trench of first spout 11, this convex part card is gone into the recess and can slides on the recess, the cooperation of convex part and recess has prevented that rack 8 from dropping from first spout 11. The two side surfaces of the upper boundary of the first sliding chute 11 may be provided with protrusions, the inner walls of the two side surfaces of the first sliding chute 11 are provided with recesses, the rack 8 is provided with protrusions corresponding to the recesses, and the protrusions are matched with each other to realize that the rack 8 can slide on the first sliding chute 11 without falling off, and the embodiments are not limited to these two embodiments.
The second guide structure comprises a connecting rod 9 and a second sliding chute 14 arranged on the base, two ends of the connecting rod 9 are respectively hinged with the base and the first buffer 2, and the sliding end of the first buffer 2 is connected in the second sliding chute 14; the sliding end of the first buffer 2 is provided with a positioning pin 13 connected in a second sliding groove 14, and the positioning pin 13 can slide along the second sliding groove 14; the positioning device further comprises a second limiting block 15, a limiting groove 16 is formed in the second limiting block 15, and the positioning pin 13 is connected with the second sliding groove 14 and the limiting groove 16 at the same time. When realizing the switching of first buffer 2 and second buffer 3, motor 1 drives the operation of rack 5, rack 8 slides on first spout 11 and then drives locating pin 13 and slides on the second spout, the end that slides of first buffer 2 slides to left, because of there is connecting rod 9 of handing-over on first buffer 2 and base, so connecting rod 9 takes place to rotate when the relative base of first buffer 2 slides, promote first buffer 2 to rotate to vertical state, buffer head 6 of first buffer 2 is towards elevator car bottom, second buffer 3 rotates to the horizontal direction thereupon.
The first buffer 2 and the second buffer 3 respectively comprise a buffer bracket 5 and a buffer punch head 6; one end of the first buffer 2 far away from the sliding end is a buffer head 6; one end of the second buffer 3 far away from the first buffer 2 is a buffer head 6; the buffering support 5 of the first buffer 2 is longer than the buffering support of the second buffer 3, and the lengths of the buffering supports 5 are different, so that the reserved space of the elevator pit bottom can be switched when workers work at the bottom of the elevator pit.
The transmission structure can also be a screw-nut pair and a motor, both of which are arranged on the base, the motor is used for driving the screw to rotate, and the nut block is connected with the sliding end of the first buffer 2; the motor drives the screw rod to rotate, and the nut block drives the sliding end of the first buffer 2 to slide in the second sliding groove 14. The first buffer 2 is driven to slide on the second sliding groove 14, the connecting rod 9 drags the first buffer to rotate, and the locking device locks the position of the first buffer 2.
The transmission structure can also be a cylinder body, such as an air cylinder and a hydraulic cylinder; the shell (fixed end) and the piston rod (output end) of the cylinder body are hinged with the base and connected with the sliding end of the first buffer 2. If the casing of cylinder body is articulated on the base again, the piston rod of cylinder body articulates on first buffer 2 slides and holds, thereby the flexible first buffer of cylinder body piston rod slides and drives first buffer 2 and rotate, connecting rod 9 promotes first buffer 2, and first buffer 2 rotates to vertical state, during the lockpin detained into first stopper 12 simultaneously, first buffer 2 locking.
The electromagnetic lock is arranged on the base, and a pin shaft of the electromagnetic lock is connected with a first limiting block; the electromagnetic lock is used for driving the first limiting block to be far away from the lock pin. And a bayonet for connecting the lock pin is arranged on the first limiting block.
The contact lock is arranged on the base or the first buffer; the contact lock comprises a shell and a buckle sheet; when the first buffer is switched to be in a horizontal state, the base and the first buffer are buckled through the contact lock, and the horizontal state of the first buffer is locked.
The contact lock is arranged at one end of the base, which is far away from the guide structure, or at a position on the first buffer, which is far away from the sliding end of the first buffer; when the first buffer is in a horizontal state, one end of the base, which is far away from the guide structure, is buckled with the first buffer through the contact lock. The left end of the base is provided with an inclined plane. When the contact lock is arranged on the first buffer and the first buffer is in a horizontal state, the buckle sheet of the contact lock can be buckled with the left end of the base.
The using method and the operation mode of the device are as follows: when the elevator normally operates, the buffer head 6 of the second buffer 3 supports the elevator to operate towards the bottom of the elevator car, the contact lock 17 locks the fixing plate 10 and the first buffer 2, the electromagnetic lock 4 operates, the first limit block 12 does not rotate, the positioning pin 16 is clamped at the terminal of the second sliding groove 14, meanwhile, the gear 7 and the rack 8 do not move, when the elevator needs to adjust the reserved space at the bottom of the pit, the motor 1 starts to operate, the contact lock 17 is opened and does not lock the fixing plate 10 and the first buffer 2, the gear 7 starts to move, the rack 8 meshed with the gear 7 slides on the first sliding groove 11 on the fixing plate 10, and simultaneously drives the second limit block 15 fixed with the rack 8 to move, because the positioning pin 13 is clamped into the second limit block 15 through the second sliding groove 14, the positioning pin 13 also slides, because the second sliding groove 14 is arc-shaped, the upper and lower spaces have deviation, and the positioning pin 13 can compensate the different space on the limit groove 16 of the second limit block, because of locating pin 13 is articulated with first buffer 2 simultaneously, and be equipped with connecting rod 9 on fixed plate 10 and first buffer 2, the mounting means is articulated, the slip of locating pin 13 can drive the equidirectional slip of the hinged end of first buffer 2, because of the setting of connecting rod 9, connecting rod 9 can prop up first buffer 2 and rotate to vertical direction, when first buffer 2 rotated to vertical direction, locating pin 13 also blocks into the screens hole of first stopper 12 thereupon, this is that electromagnetic lock 4 closed here drives first stopper 12 rotation and blocks locating pin 13, second buffer 3 has reached horizontal position because of the rotation of first buffer 2 this moment, buffer head 2 of first buffer 2 is towards elevator car bottom, make the bottom of a pit space grow, make things convenient for the staff to carry out the bottom of a pit operation.
The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments may be combined with each other into a new embodiment. The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.
Claims (10)
1. An elevator buffer device with a locking structure is characterized by comprising a base, a first buffer (2) and a second buffer (3); the first buffer (2) is longer than the second buffer (3), the second buffer (3) is connected with the first buffer (2), and the first buffer (2) is vertical to the second buffer (3);
the sliding end of the first buffer (2) is connected with the second guide structure; when the transmission structure drives the sliding end of the first buffer (2) to slide along the second guide structure, the two states of the first buffer (2) facing upwards and the second buffer facing upwards alternately appear;
the locking mechanism comprises a locking pin and a first limiting block (12); a lock pin and a first limit block (12), one is arranged on the first buffer (2), and the other is arranged on the base; the lock pin is connected with the first limiting block (12) and used for locking the first buffer (2) in a vertical state.
2. The elevator buffering device with the locking structure as claimed in claim 1, further comprising an electromagnetic lock disposed on the base, wherein a pin of the electromagnetic lock is connected to the first limiting block (12); the electromagnetic lock is used for driving the first limiting block (12) to be far away from the lock pin.
3. The elevator buffer device with the locking structure as claimed in claim 1 or 2, wherein the first stopper (12) is provided with a bayonet (18) for connecting the lock pin.
4. The elevator buffer with the locking structure as claimed in claim 1 or 2, further comprising a contact lock (17) provided on the base or the first buffer; the contact lock (17) comprises a shell and a buckle sheet; when the first buffer (2) is switched to be in a horizontal state, the base and the first buffer are buckled through the contact lock, and the horizontal state of the first buffer (2) is locked.
5. The elevator buffer with the locking structure as claimed in claim 4, wherein the contact lock is disposed at an end of the base far from the guide structure or at a position of the first buffer far from the sliding end; when the first buffer is in a horizontal state, one end of the base, which is far away from the guide structure, is buckled with the first buffer through the contact lock.
6. The elevator buffer with the locking structure according to claim 1 or 2, wherein the guiding structure comprises a connecting rod (9) and a sliding groove arranged on the base, two ends of the connecting rod (9) are respectively hinged with the base and the first buffer (2), and the movable end of the first buffer (2) is connected in the sliding groove.
7. The elevator buffer device with the locking structure according to claim 3, wherein the sliding end of the first buffer (2) is provided with a positioning pin (13), the positioning pin (13) is connected in the second sliding slot (14), and the positioning pin (13) can slide along the second sliding slot (14).
8. The elevator buffer with locking structure as claimed in claim 7, wherein the positioning pin (13) is a locking pin.
9. The elevator buffer device with the locking structure according to claim 3, wherein the first buffer (2) and the second buffer (3) comprise a buffer bracket and a buffer punch head; one end of the first buffer (2) far away from the sliding end is a buffer head; one end of the second buffer (3) far away from the first buffer (2) is a buffer head; the buffer support of the first buffer (2) is longer than the buffer support of the second buffer (3).
10. The elevator buffer device with the locking structure as claimed in claim 3, wherein the transmission structure comprises a cylinder; the shell of the cylinder body and the piston rod are hinged with the base, and the other is hinged with the sliding end of the first buffer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921442126.9U CN210884795U (en) | 2019-08-30 | 2019-08-30 | Elevator buffer device with locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921442126.9U CN210884795U (en) | 2019-08-30 | 2019-08-30 | Elevator buffer device with locking structure |
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| Publication Number | Publication Date |
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| CN210884795U true CN210884795U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921442126.9U Active CN210884795U (en) | 2019-08-30 | 2019-08-30 | Elevator buffer device with locking structure |
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| CN (1) | CN210884795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526073A (en) * | 2019-08-30 | 2019-12-03 | 三洋电梯(珠海)有限公司 | A kind of elevator buffer device |
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2019
- 2019-08-30 CN CN201921442126.9U patent/CN210884795U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526073A (en) * | 2019-08-30 | 2019-12-03 | 三洋电梯(珠海)有限公司 | A kind of elevator buffer device |
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