CN114314238A - Elevator flees and uses railway carriage or compartment door expander - Google Patents
Elevator flees and uses railway carriage or compartment door expander Download PDFInfo
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- CN114314238A CN114314238A CN202210005849.2A CN202210005849A CN114314238A CN 114314238 A CN114314238 A CN 114314238A CN 202210005849 A CN202210005849 A CN 202210005849A CN 114314238 A CN114314238 A CN 114314238A
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- clamping
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- screw rod
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Abstract
The invention discloses a compartment door expander for elevator escape, which comprises a fixed frame, a first fixture and a second fixture, wherein the second fixture is movably arranged on the outer surface of the rear end of the fixed frame; the screw groove clamping piece drives the first clamping tool and the second clamping tool to move towards two sides, so that the first clamping tool and the second clamping tool complete the expansion operation of the elevator door, the expansion operation of the elevator door can be completed by a user through the screw rod structure by means of the rotary clamping sleeve and the bidirectional screw rod, and the time required by rescue of the van elevator is shortened.
Description
Technical Field
The invention belongs to the technical field of elevator supporting facilities, and particularly relates to a compartment door expander for elevator escape.
Background
An elevator escape car door expander is a device which is used in the elevator escape process and plays a role in expanding a car door of the elevator escape car door, the elevator escape car door expander can be used for expanding the car door from a gap when the car door is closed and locked, and the conventional expander is shown in figure 5.
Patent No. CN104627766B discloses an automatic elevator rescue device, which comprises a base, a motor, an input shaft, a linkage gear, a worm, a reduction gear set, a rope reel and a steel cable; the motor is connected with the input shaft, the input shaft is provided with a thread section, the input shaft is meshed with the worm wheel through the thread section, the worm wheel is connected with a worm, the outer end of the worm is provided with a linkage gear, and the linkage gear is meshed with a large gear of the reduction gear set; one end of the rope winding disc is provided with a gear, the gear is meshed with a pinion of the reduction gear set, and a steel cable is wound on the rope winding disc.
When the emergency braking phenomenon occurs to the van elevator, the elevator door of the van elevator is in a locked state, the elevator door cannot be opened from the inside or the outside by conventional manpower, and the inside of the elevator is in a relatively sealed state at the moment, so that the personnel inside or outside the elevator cannot perform rescue operation in time, and the time required by rescue of the van elevator is prolonged; secondly, the traditional elevator escape compartment door expander needs to be operated by professional personnel, so that the applicability of the elevator escape compartment door expander is reduced, the operation difficulty is high, and certain adverse effects are brought to users.
Disclosure of Invention
The invention aims to provide an elevator escape compartment door expander which can solve the existing problems.
The invention solves the problems that:
1. when the emergency braking phenomenon occurs to the van elevator, the elevator door of the van elevator is in a locked state, the elevator door cannot be opened from the inside or the outside by conventional manpower, and the inside of the elevator is in a relatively sealed state at the moment, so that the personnel inside or outside the elevator cannot perform rescue operation in time, and the time required by rescue of the van elevator is prolonged;
2. the traditional elevator escape compartment door expander needs to be operated by professional personnel, so that the applicability of the elevator escape compartment door expander is reduced, and the operation difficulty is high.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an elevator flees and uses railway carriage or compartment door expander, includes fixed frame, first fixture and second fixture, second fixture movable mounting is at the rear end surface of fixed frame, one side that first fixture movable mounting is close to the second fixture at the rear end surface of fixed frame, the inboard middle part position movable mounting of fixed frame has the two-way lead screw that is used for driving first fixture and second fixture removal, the front end middle part fixed mounting of fixed frame has fixed cardboard, the inboard movable mounting of fixed cardboard has the rotatory cutting ferrule that is used for driving two-way lead screw pivoted, rotatory cutting ferrule activity cup joints the surface middle part position at two-way lead screw.
As a further technical scheme, the integral structure of the rotary clamping sleeve is a cylindrical hollow structure, four groups of arc-shaped clamping blocks are movably mounted on the inner side of the rotary clamping sleeve, one ends of the arc-shaped clamping blocks are movably connected with the rotary clamping sleeve through a butt joint rotating shaft, the two-way screw rod can be clamped and fixed by the aid of the arc-shaped clamping blocks, and the two-way screw rod is driven to rotate by the aid of the rotary clamping sleeve when the rotary clamping sleeve rotates.
As a further technical scheme of the invention, the other end of the arc-shaped fixture block is elastically connected with the rotary clamping sleeve through a spring, four groups of arc-shaped clamping grooves matched with the arc-shaped fixture block are formed in the middle of the outer surface of the side edge of the bidirectional screw rod, when a user needs to drive the bidirectional screw rod to rotate, the user can rotate the rotary clamping sleeve, when the arc-shaped fixture block is clamped in the arc-shaped clamping grooves, the rotary clamping sleeve can drive the bidirectional screw rod to rotate, meanwhile, the arc-shaped fixture block can be clamped in the arc-shaped clamping grooves through the arrangement of the spring, the arc-shaped fixture block is prevented from loosening, and meanwhile, when the rotary clamping sleeve is reset, the arc-shaped fixture block is clamped in the arc-shaped clamping grooves again.
According to the further technical scheme, the outer surface of the rotary cutting sleeve is fixedly provided with the driving rod, the inner side of the driving rod is movably provided with the telescopic rod, the driving rod is movably connected with the telescopic rod through the telescopic groove, the rotary cutting sleeve can be driven to rotate in a lever mode through the arrangement of the driving rod, the driving rod drives the rotary cutting sleeve to rotate when pressed downwards, and the driving rod drives the rotary cutting sleeve to reset when lifted upwards.
According to the further technical scheme, the limiting fixture block matched with the rotary clamping sleeve for use is fixedly arranged on the outer surface of the fixed clamping plate, the annular notch used for butting the limiting fixture block is formed in the middle of the rotary clamping sleeve, the butting clamping strips are arranged at two ends of the fixed clamping plate, and the limiting fixture block is matched with the annular notch for use, so that the rotary clamping sleeve can rotate on the inner side of the fixed clamping plate, and the rotary clamping sleeve is prevented from falling off from the fixed clamping plate.
As a further technical scheme of the invention, two sets of screw groove clamping pieces are movably sleeved on the outer surface of the bidirectional screw rod, the first clamping piece, the second clamping piece and the screw groove clamping pieces are fixed by welding, two sets of rolling shafts are movably mounted on the inner sides of the screw groove clamping pieces, a sliding groove matched with the movement of the screw groove clamping pieces is formed in the inner side of the fixing frame, and when the bidirectional screw rod rotates, the first clamping piece and the second clamping piece are driven to move by the bidirectional screw rod, so that the closed elevator door is opened by the first clamping piece and the second clamping piece.
According to the technical scheme, two ends of the bidirectional screw rod are movably connected with the fixing frame through rotating shafts, fixing side handles are fixedly arranged in the middle of the two ends of the fixing frame, inclined plane plugs are arranged at the end parts of the first clamping device and the second clamping device, two groups of butt-joint clamping rings are arranged between the fixing clamping plates and the bidirectional screw rod, the first clamping device and the second clamping device can be conveniently inserted into a gap of an elevator door through the arrangement of the inclined plane plugs, the fixing side handles are held at the same time, and the fixing frame in the expansion process can be assisted and fixed.
The invention has the beneficial effects that:
1. by arranging the rotary clamping sleeve and the bidirectional screw rod, when the elevator is used for escaping with the compartment door expander, a user firstly clamps the first clamping device and the second clamping device at the gap of the elevator door, the user can press the driving rod to enable the driving rod to drive the rotary clamping sleeve, the bidirectional screw rod is driven to rotate by the rotary clamping sleeve, when the rotary clamping sleeve rotates, the arc-shaped clamping block in the rotary clamping sleeve is clamped on the arc-shaped clamping groove of the bidirectional screw rod, so that the rotary clamping sleeve can drive the bidirectional screw rod to rotate, meanwhile, the arc-shaped clamping groove can be clamped by the arc-shaped clamping block by utilizing the arrangement of the spring, the arc-shaped clamping block is prevented from loosening, when the driving rod is pressed downwards, the driving rod drives the rotary clamping sleeve to rotate, when the driving rod is lifted upwards, the driving rod drives the rotary clamping sleeve to reset, when the rotary clamping sleeve is reset, the arc-shaped clamping block is clamped on the arc-shaped clamping groove again by utilizing the arrangement of the spring, the user is through repeated pressing the actuating lever from top to bottom, it is rotatory to make the actuating lever can cooperate the two-way lead screw of rotatory cutting ferrule drive, utilize threaded connection between two-way lead screw and the thread groove fastener simultaneously, make the thread groove fastener remove on two-way lead screw, thereby make the thread groove fastener drive first fixture and second fixture and remove to both sides, make first fixture and second fixture accomplish the expansion operation to the lift-cabin door, utilize the setting of rotatory cutting ferrule and two-way lead screw, make the user can accomplish the expansion operation to the lift-cabin door through the lead screw structure, required time when having reduced van-type elevator rescue.
2. By arranging the first fixture and the second fixture, when the elevator escape car door expander is used, the inclined plug of the first fixture and the second fixture can be used for effectively reducing the resistance when the first fixture and the second fixture are inserted into the gap of the elevator door, so that the installation operation of the first fixture and the second fixture is more labor-saving, meanwhile, the arrangement of the rolling shaft can be used for enabling the moving operation of the screw groove clamping piece to be smoother, the friction force between the screw groove clamping piece and the fixed frame is reduced, meanwhile, when a user drives the rotary clamping sleeve to rotate through the driving rod, the user can draw out the telescopic rod from the driving rod by utilizing the telescopic groove of the driving rod, so that the service length of the driving rod is adjusted, the driving rod drives the rotary clamping sleeve to rotate through the lever principle, the pressing operation of the driving rod is more labor-saving by prolonging the service length of the driving rod, and the operation difficulty of the elevator escape car door expander is effectively reduced, making it more convenient to use.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the whole structure of an elevator escape door expander of the invention;
FIG. 2 is an overall structure view of a bidirectional screw rod in a door expander for elevator escape according to the present invention;
FIG. 3 is an internal structure view of a rotating ferrule in a door expander for elevator escape according to the present invention;
fig. 4 is an overall structural view of a second fixture in the door expander for elevator escape of the present invention;
fig. 5 is a prior art block diagram.
In the figure: 1. a drive rod; 2. rotating the cutting sleeve; 3. a bidirectional screw rod; 4. a groove fastener; 5. a fixed side handle; 6. a first clamp; 7. a fixing frame; 8. a second fixture; 9. a telescopic rod; 10. fixing the clamping plate; 11. a limiting clamping block; 12. butting the snap ring; 13. a rotating shaft; 14. a spring; 15. an arc-shaped fixture block; 16. butting the rotating shafts; 17. an inclined plane plug; 18. a roller; 19. an arc-shaped clamping groove; 20. a telescopic groove; 21. and (6) butting the clamping strips.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-4, a door expander for elevator escape comprises a fixed frame 7, a first fixture 6 and a second fixture 8, the second fixture 8 is movably mounted on the outer surface of the rear end of the fixed frame 7, the first fixture 6 is movably mounted on one side of the outer surface of the rear end of the fixed frame 7 close to the second fixture 8, a bidirectional screw rod 3 for driving the first fixture 6 and the second fixture 8 to move is movably mounted at the middle position of the inner side of the fixed frame 7, a fixed clamping plate 10 is fixedly mounted at the middle position of the front end of the fixed frame 7, a rotary clamping sleeve 2 for driving the bidirectional screw rod 3 to rotate is movably mounted at the inner side of the fixed clamping plate 10, and the rotary clamping sleeve 2 is movably sleeved at the middle position of the outer surface of the bidirectional screw rod 3.
The overall structure of rotatory cutting ferrule 2 is cylinder hollow structure, and the inboard movable mounting of rotatory cutting ferrule 2 has four groups of ARC fixture block 15, and through 16 swing joint of butt joint pivot between ARC fixture block 15's one end and the rotatory cutting ferrule 2, utilize ARC fixture block 15's setting, can play the chucking fixed action to two-way lead screw 3, when rotatory cutting ferrule 2 rotates, utilize two-way lead screw 3 of rotatory cutting ferrule 2 drive to rotate.
Through spring 14 elastic connection between the other end of arc fixture block 15 and the rotatory cutting ferrule 2, arc draw-in groove 19 that four groups cooperation arc fixture block 15 used is seted up to the side surface middle part position of two-way lead screw 3, when the user need drive two-way lead screw 3 rotatory, the user can be through rotating rotatory cutting ferrule 2, when arc fixture block 15 blocks when arc draw-in groove 19, make rotatory cutting ferrule 2 can drive two-way lead screw 3 and carry out the rotation operations, utilize spring 14's setting simultaneously, can make 15 chucking arc draw-in grooves 19 of arc fixture block, avoid arc fixture block 15 not hard up, when rotatory cutting ferrule 2 resets simultaneously, make 15 blocks of arc fixture block on arc draw-in groove 19 again.
The outer fixed surface of rotatory cutting ferrule 2 installs actuating lever 1, and the inboard movable mounting of actuating lever 1 has telescopic link 9, through flexible groove 20 swing joint between actuating lever 1 and the telescopic link 9, utilize the setting of actuating lever 1, can be rotatory through rotatory cutting ferrule 2 of lever mode drive, when pressing down actuating lever 1 for actuating lever 1 drives rotatory cutting ferrule 2 and rotates, when upwards lifting actuating lever 1, makes actuating lever 1 drive rotatory cutting ferrule 2 and resets.
Fixed surface of fixed cardboard 10 installs the spacing fixture block 11 that the rotatory cutting ferrule 2 of cooperation used, and the middle part of rotatory cutting ferrule 2 is equipped with the annular notch that is used for docking spacing fixture block 11, and the both ends of fixed cardboard 10 all are equipped with docking card strip 21, utilizes the use of the spacing fixture block 11 cooperation annular notch, can be so that rotatory cutting ferrule 2 rotates at the inboard of fixed cardboard 10, avoids droing between rotatory cutting ferrule 2 and the fixed cardboard 10.
Two sets of thread groove fastener 4 have been cup jointed in the surface activity of two-way lead screw 3, first fixture 6, all through welded fastening between second fixture 8 and the thread groove fastener 4, the inboard movable mounting of thread groove fastener 4 has two sets of rollers 18, the spout that cooperation thread groove fastener 4 removed is seted up to the inboard of fixed frame 7, when two-way lead screw 3 rotates, utilize two-way lead screw 3 drive first fixture 6 and the removal of second fixture 8, make first fixture 6 and second fixture 8 strut the closed lift-cabin door.
All through axis of rotation 13 swing joint between the both ends of two-way lead screw 3 and the fixed frame 7, fixed side 5 is fixed to the both ends middle part position fixed mounting of fixed frame 7, the tip of first fixture 6 and second fixture 8 all is equipped with inclined plane plug 17, be equipped with two sets of butt joint snap rings 12 between fixed cardboard 10 and the two-way lead screw 3, utilize inclined plane plug 17's setting, can conveniently insert first fixture 6 and second fixture 8 to the gap of lift-cabin door in, the fixed side 5 grips simultaneously, can play supplementary fixed effect to the fixed frame 7 of expansion in-process.
When the elevator escape compartment door expander is used, a user firstly clamps a first clamping device 6 and a second clamping device 8 at a gap of an elevator door, the user can press a driving rod 1 to enable the driving rod 1 to drive a rotary clamping sleeve 2, the rotary clamping sleeve 2 drives the two-way screw rod 3 to rotate, an arc-shaped clamping block 15 in the rotary clamping sleeve 2 can be clamped on an arc-shaped clamping groove 19 of the two-way screw rod 3 when the rotary clamping sleeve 2 rotates, so that the rotary clamping sleeve 2 can drive the two-way screw rod 3 to rotate, meanwhile, the arc-shaped clamping block 15 can be clamped on the arc-shaped clamping groove 19 by utilizing the arrangement of a spring 14, the arc-shaped clamping block 15 is prevented from loosening, when the driving rod 1 is pressed downwards, the driving rod 1 drives the rotary clamping sleeve 2 to rotate, and when the driving rod 1 is lifted upwards, the drive rod 1 drives the rotary cutting sleeve 2 to reset, when the rotary cutting sleeve 2 resets, the arc-shaped clamping block 15 is clamped on the arc-shaped clamping groove 19 again by the arrangement of the spring 14, a user can press the drive rod 1 up and down repeatedly, so that the drive rod 1 can be matched with the rotary cutting sleeve 2 to drive the bidirectional screw rod 3 to rotate, and meanwhile, the screw groove clamping block 4 moves on the bidirectional screw rod 3 by utilizing the threaded connection between the bidirectional screw rod 3 and the screw groove clamping block 4, so that the screw groove clamping block 4 drives the first clamping block 6 and the second clamping block 8 to move towards two sides, the first clamping block 6 and the second clamping block 8 complete the expansion operation of the elevator door, and by the arrangement of the rotary cutting sleeve 2 and the bidirectional screw rod 3, the user can complete the expansion operation of the elevator door through a screw rod structure, and the time required by rescue of a van elevator is reduced;
by arranging the first fixture 6 and the second fixture 8, when the elevator runs by using the car door expander, the resistance of the first fixture 6 and the second fixture 8 when the first fixture 6 and the second fixture 8 are inserted into a gap of an elevator door can be effectively reduced by using the inclined plug 17 of the first fixture 6 and the second fixture 8, so that the installation operation of the first fixture 6 and the second fixture 8 is more labor-saving, meanwhile, the movement operation of the spiral groove clamping piece 4 can be smoother by using the arrangement of the rolling shaft 18, the friction force between the spiral groove clamping piece 4 and the fixed frame 7 is reduced, meanwhile, when a user drives the rotary clamping sleeve 2 to rotate through the driving rod 1, the user can draw the telescopic rod 9 out of the driving rod 1 by using the telescopic groove 20 of the driving rod 1, so as to adjust the use length of the driving rod 1, the driving rod 1 drives the rotary clamping sleeve 2 to rotate through the lever principle, and the pressing operation of the driving rod 1 can be more labor-saving by prolonging the use length of the driving rod 1, thereby effectively reducing the operation difficulty of the elevator escape compartment door expander and ensuring that the elevator escape compartment door expander is more convenient to use.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A compartment door expander for elevator escape is characterized by comprising a fixing frame (7), a first clamping apparatus (6) and a second clamping apparatus (8), the second fixture (8) is movably arranged on the outer surface of the rear end of the fixed frame (7), the first fixture (6) is movably arranged on one side of the outer surface of the rear end of the fixed frame (7) close to the second fixture (8), a bidirectional screw rod (3) used for driving a first clamping apparatus (6) and a second clamping apparatus (8) to move is movably arranged at the middle position of the inner side of the fixing frame (7), a fixed clamping plate (10) is fixedly arranged at the middle position of the front end of the fixed frame (7), a rotary cutting sleeve (2) for driving the bidirectional screw rod (3) to rotate is movably arranged on the inner side of the fixed clamping plate (10), the rotary clamping sleeve (2) is movably sleeved at the middle position of the outer surface of the bidirectional screw rod (3).
2. The elevator escape car door expander according to claim 1, wherein the whole structure of the rotary clamping sleeve (2) is a cylindrical hollow structure, four groups of arc-shaped clamping blocks (15) are movably mounted on the inner side of the rotary clamping sleeve (2), and one end of each arc-shaped clamping block (15) is movably connected with the rotary clamping sleeve (2) through a butt joint rotating shaft (16).
3. The elevator escape compartment door expander according to claim 2, wherein the other end of the arc-shaped fixture block (15) is elastically connected with the rotary clamping sleeve (2) through a spring (14), and four arc-shaped fixture grooves (19) matched with the arc-shaped fixture block (15) for use are formed in the middle of the outer surface of the side edge of the bidirectional screw rod (3).
4. The elevator escape car door expander according to claim 1, wherein the outer surface of the rotary clamping sleeve (2) is fixedly provided with the driving rod (1), the inner side of the driving rod (1) is movably provided with the telescopic rod (9), and the driving rod (1) and the telescopic rod (9) are movably connected through the telescopic groove (20).
5. The elevator escape compartment door expander according to claim 1, wherein a limiting fixture block (11) used in cooperation with the rotating clamping sleeve (2) is fixedly installed on the outer surface of the fixing clamping plate (10), an annular notch used for abutting against the limiting fixture block (11) is formed in the middle of the rotating clamping sleeve (2), and abutting clamping strips (21) are arranged at two ends of the fixing clamping plate (10).
6. The elevator escape compartment door expander according to claim 1, wherein two sets of screw groove clamping pieces (4) are movably sleeved on the outer surface of the bidirectional screw rod (3), the first clamping piece (6), the second clamping piece (8) and the screw groove clamping pieces (4) are fixed through welding, and two sets of rollers (18) are movably mounted on the inner side of each screw groove clamping piece (4).
7. The elevator escape compartment door expander according to claim 1, wherein two ends of the bidirectional screw rod (3) are movably connected with the fixing frame (7) through a rotating shaft (13), a fixing side handle (5) is fixedly installed in the middle of the two ends of the fixing frame (7), inclined surface plugs (17) are arranged at the end parts of the first fixture (6) and the second fixture (8), and two groups of butt joint snap rings (12) are arranged between the fixing snap plate (10) and the bidirectional screw rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210005849.2A CN114314238A (en) | 2022-01-05 | 2022-01-05 | Elevator flees and uses railway carriage or compartment door expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210005849.2A CN114314238A (en) | 2022-01-05 | 2022-01-05 | Elevator flees and uses railway carriage or compartment door expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114314238A true CN114314238A (en) | 2022-04-12 |
Family
ID=81025157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210005849.2A Pending CN114314238A (en) | 2022-01-05 | 2022-01-05 | Elevator flees and uses railway carriage or compartment door expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114314238A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101918730A (en) * | 2007-10-22 | 2010-12-15 | Gkn烧结金属股份有限公司 | Reduced stress pawl and ratchet tooth for a one-way clutch |
| CN102335021A (en) * | 2010-07-15 | 2012-02-01 | 北京蒙太因医疗器械有限公司 | Medical orthopaedic slitting device |
| CN103832898A (en) * | 2012-11-22 | 2014-06-04 | 泰金宝精密(新加坡)有限公司 | Gear assembly and electronic device using the same |
| CN204997617U (en) * | 2015-09-30 | 2016-01-27 | 大连金航船机有限公司 | Major diameter compression inner ring for ship engine |
-
2022
- 2022-01-05 CN CN202210005849.2A patent/CN114314238A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101918730A (en) * | 2007-10-22 | 2010-12-15 | Gkn烧结金属股份有限公司 | Reduced stress pawl and ratchet tooth for a one-way clutch |
| CN102335021A (en) * | 2010-07-15 | 2012-02-01 | 北京蒙太因医疗器械有限公司 | Medical orthopaedic slitting device |
| CN103832898A (en) * | 2012-11-22 | 2014-06-04 | 泰金宝精密(新加坡)有限公司 | Gear assembly and electronic device using the same |
| CN204997617U (en) * | 2015-09-30 | 2016-01-27 | 大连金航船机有限公司 | Major diameter compression inner ring for ship engine |
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