CN216446708U

CN216446708U - Manual unlocking push rod limiting mechanism of shielding door

Info

Publication number: CN216446708U
Application number: CN202121192545.9U
Authority: CN
Inventors: 盛晓鸿; 张华�
Original assignee: Nanjing Philor Automatic Door Manufacturing Co ltd
Current assignee: Nanjing Philor Automatic Door Manufacturing Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-05-06
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a manual unlocking push rod limiting mechanism of a shield door, which comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a shell, the bottom of the shell is provided with a mounting hole, a push rod is movably connected in the mounting hole, one end of the push rod is fixedly connected with a connecting block, one side of the connecting block is fixedly connected with a rack, the upper surface of the bottom plate is fixedly connected with a motor, one end of an output shaft of the motor penetrates through the shell, one side of the output shaft of the motor is fixedly connected with a gear, the gear is meshed with the rack, one side of the gear is provided with a clamping groove, one side of the output shaft of the motor is movably connected with a sleeve, and one end of the sleeve is fixedly connected with a clamping tooth. According to the utility model, the shielding door can be manually unlocked, the unlocking convenience is improved, the sleeve can be locked, the sleeve is prevented from sliding, the stability of the limiting mechanism is improved, the limiting mechanism can be conveniently taken up, and the taking convenience of the limiting mechanism is improved.

Description

Manual unlocking push rod limiting mechanism of shielding door

Technical Field

The utility model relates to the technical field of shield doors, in particular to a manual unlocking push rod limiting mechanism of a shield door.

Background

The screen door is used for surrounding the space between the subway platform and the train on the platform in a glass curtain wall mode. When the train arrives, the electric door on the glass curtain wall is opened again to allow passengers to get on or off the train, so that the passengers are prevented from entering the running dangerous area by mistake or intentionally, and meanwhile, the influence on the normal running of the train caused by the falling of foreign matters into the running area can be avoided.

At present at subway station, install the shield door usually and guarantee passenger's safety, at platform edge installation shield door system, under the normal condition, the shield door of platform is realized by motor drive and control system, when emergency as outage or other system faults appear, can't utilize motor drive system and control system to realize opening of platform shield door, in order to protect the safety that the customer got on and off the bus, need a manual unblock of platform shield door, so that the passenger can conveniently open the push rod stop gear of shield door fast under emergency, satisfy people's demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a manual unlocking push rod limiting mechanism of a shielded door.

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

the utility model provides a shield door's manual unblock push rod stop gear, includes the bottom plate, the last fixed surface of bottom plate is connected with the casing, and the mounting hole has been seted up to the bottom of casing, and swing joint has the push rod in the mounting hole, the one end fixedly connected with connecting block of push rod, one side fixedly connected with rack of connecting block, the last fixed surface of bottom plate is connected with the motor, and the one end of motor output shaft passes the casing, one side fixedly connected with gear of motor output shaft, and gear and rack mesh mutually, the draw-in groove has been seted up to one side of gear, one side swing joint of motor output shaft has the sleeve, telescopic one end fixedly connected with latch, the first crank of telescopic one end fixedly connected with, one side of casing is equipped with fixed establishment.

Further, fixed establishment includes the connecting box, and the connecting box passes through the bolt fastening in one side of casing, two spouts have all been seted up to the both sides of connecting box, and swing joint has two draw runners between the spout of both sides, and the equal fixedly connected with catch in one side of draw runner, two fixed blocks of one side fixedly connected with of casing, the equal fixedly connected with spring in one side of fixed block, and the one end of spring all is fixed mutually with the draw runner, one side inner wall swing joint of connecting box has the pivot, two lugs of one side fixedly connected with of pivot.

Furthermore, one end of the rotating shaft penetrates through the shell and is fixedly connected with a second crank.

Further, a handle is arranged at the top of the shell.

Furthermore, a plurality of screw holes are formed in one side of the shell, and the screw holes are symmetrically distributed.

Furthermore, one side fixedly connected with limiting plate of push rod, and the limiting plate is located between casing and the connecting block.

Furthermore, one end of the motor output shaft is fixedly connected with a limiting sleeve.

Furthermore, one side of the lock ring is fixedly connected with an anti-skid pad.

The utility model has the beneficial effects that:

1. through the cooperation use of sleeve and latch, when promoting the sleeve, the sleeve can drive the latch and remove to block the latch in the draw-in groove, then rotate the sleeve, the latch drives gear revolve, then the gear can promote the rack and remove, and the rack drives the push rod and removes, can manual unblock shield door, increases the unblock convenience.

2. Through the cooperation use of spring and draw runner, when lug and draw runner break away from the contact, under the effect of spring, can make the draw runner slide in the spout, then the draw runner drives the catch and removes to can lock the sleeve, avoid the sleeve to slide, improve stop gear's steadiness.

3. Through the setting of installation handle on the casing, when using manual unblock push rod stop gear, stop gear can conveniently be carried to the handle to take stop gear, increased the convenience that stop gear took.

Drawings

Fig. 1 is a schematic front view structural diagram of a manual unlocking push rod limiting mechanism of a shielded door according to the present invention;

FIG. 2 is a schematic cross-sectional view of a manual unlocking push rod limiting mechanism of a shield door according to the present invention;

fig. 3 is a schematic sectional structural view of a connection box of a manual unlocking push rod limiting mechanism of a shield door according to the present invention.

In the figure: 1. a base plate; 2. a motor; 3. a housing; 4. a screw hole; 5. a handle; 6. a connection box; 7. a first crank; 8. a limiting sleeve; 9. a rack; 10. connecting blocks; 11. a push rod; 12. a limiting plate; 13. a gear; 14. clamping teeth; 15. a sleeve; 16. a fixed block; 17. a slide bar; 18. a locking ring; 19. a bump; 20. a spring; 21. a second crank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-3, a manual unlocking push rod limiting mechanism of a shielded door comprises a bottom plate 1, a shell 3 is fixed on the upper surface of the bottom plate 1 through bolts, a mounting hole is formed in the bottom of the shell 3, a push rod 11 is slidably connected in the mounting hole, one end of the push rod 11 is fixed with a connecting block 10 through bolts, a rack 9 is fixed on one side of the connecting block 10 through bolts, a motor 2 is fixed on the upper surface of the bottom plate 1 through bolts, one end of an output shaft of the motor 2 penetrates through the shell 3, one side of the output shaft of the motor 2 is in key connection with a gear 13, the gear 13 is meshed with the rack 9, one side of the gear 13 is provided with a clamping groove, a sleeve 15 is sleeved on one side of the output shaft of the motor 2, a latch 14 is fixed on one end of the sleeve 15 through bolts, a first crank 7 is fixed on one end of the sleeve 15 through bolts, when the sleeve 15 is pushed, the sleeve 15 can drive the latch 14 to move, thereby with latch 14 card in the draw-in groove, then rotate sleeve 15, latch 14 drives gear 13 and rotates, then gear 13 can promote rack 9 and remove, and rack 9 drives push rod 11 and removes, can manual unblock shield door, has increased the unblock convenience, and one side of casing 3 is equipped with fixed establishment.

In the utility model, it should be noted that the fixing mechanism includes a connecting box 6, the connecting box 6 is fixed on one side of the housing 3 by bolts, two sliding grooves are respectively formed on both sides of the connecting box 6, two sliding bars 17 are slidably connected between the sliding grooves on both sides, a locking ring 18 is fixed on one side of each sliding bar 17 by bolts, two fixing blocks 16 are fixed on one side of the housing 3 by bolts, a spring 20 is fixed on one side of each fixing block 16 by bolts, one end of each spring 20 is fixed with each sliding bar 17, a rotating shaft is rotatably connected to the inner wall of one side of the connecting box 6, two convex blocks 19 are fixed on one side of the rotating shaft by bolts, when the convex blocks 19 are separated from the sliding bars 17, the sliding bars 17 can slide in the sliding grooves under the action of the springs 20, then the sliding bars 17 drive the locking rings 18 to move, so as to lock the sleeve 15, avoid the sliding of the sleeve 15, and improve the stability of the limiting mechanism, the one end of pivot is passed casing 3 and is had second crank 21 through the bolt fastening, the top of casing 3 is equipped with handle 5, when using stop gear, stop gear can conveniently be carried to handle 5, thereby take stop gear, the convenience that stop gear took has been increased, a plurality of screws 4 have been seted up to one side of casing 3, and 4 symmetric distribution of screw, screw 4 can conveniently be fixed stop gear, bolt fastening limiting plate 12 is passed through to one side of push rod 11, and limiting plate 12 is located between casing 3 and the connecting block 10, when push rod 11 removes, limiting plate 12 can carry on spacingly to push rod 11, the one end of motor 2 output shaft has stop collar 8 through the bolt fastening, one side bonding of catch 18 has the slipmat, the slipmat can increase the frictional force between catch 18 and the sleeve 15, thereby prevent that sleeve 15 from sliding.

The working principle is as follows: when the push rod limiting mechanism is used for manual unlocking, firstly, the second crank handle 21 is rotated, then the second crank handle 21 drives the rotating shaft to rotate, then the rotating shaft drives the lug 19 to rotate, so that the lug 19 pushes the sliding strip 17, then the sliding strip 17 drives the locking ring 18 to move, the locking ring 18 is opened from the sleeve 15, then, the first crank handle 7 is pushed, the first crank handle 7 drives the sleeve 15 and the clamping teeth 14 to move, so that the clamping teeth 14 are pushed into the clamping groove, then, the first crank handle 7 is rotated, the sleeve 15 is driven to rotate by the first crank handle 7, meanwhile, the clamping teeth 14 are driven by the sleeve 15 to rotate, so that the clamping teeth 14 drive the gear 13 to rotate, then, the gear 13 drives the rack 9 to move, then, the push rod 11 drives the push rod 11 to unlock the shielding door, after the manual unlocking, then, the second crank handle 21 is continuously rotated, when the lug 19 is separated from the sliding strip 17, then under the action of the spring 20, the slide 17 returns the locking ring 18, so that the locking ring 18 locks the sleeve 15.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A manual unlocking push rod limiting mechanism of a shield door comprises a bottom plate (1) and is characterized in that a shell (3) is fixedly connected to the upper surface of the bottom plate (1), a mounting hole is formed in the bottom of the shell (3), a push rod (11) is movably connected in the mounting hole, one end of the push rod (11) is fixedly connected with a connecting block (10), a rack (9) is fixedly connected to one side of the connecting block (10), a motor (2) is fixedly connected to the upper surface of the bottom plate (1), one end of an output shaft of the motor (2) penetrates through the shell (3), a gear (13) is fixedly connected to one side of the output shaft of the motor (2), the gear (13) is meshed with the rack (9), a clamping groove is formed in one side of the gear (13), a sleeve (15) is movably connected to one side of the output shaft of the motor (2), and a clamping tooth (14) is fixedly connected to one end of the sleeve (15), one end of the sleeve (15) is fixedly connected with a first crank handle (7), and one side of the shell (3) is provided with a fixing mechanism.

2. The manual unlocking push rod limiting mechanism of a shielded door is characterized in that the fixing mechanism comprises a connecting box (6), the connecting box (6) is fixed on one side of the shell (3) through bolts, two sliding grooves are formed in two sides of the connecting box (6), two sliding strips (17) are movably connected between the two sliding grooves, a locking ring (18) is fixedly connected to one side of each sliding strip (17), two fixing blocks (16) are fixedly connected to one side of the shell (3), a spring (20) is fixedly connected to one side of each fixing block (16), one end of each spring (20) is fixed to each sliding strip (17), a rotating shaft is movably connected to the inner wall of one side of the connecting box (6), and two convex blocks (19) are fixedly connected to one side of the rotating shaft.

3. The manual unlocking push rod limiting mechanism of the shielded door is characterized in that one end of the rotating shaft penetrates through the shell (3) and is fixedly connected with a second crank (21).

4. The manual unlocking push rod limiting mechanism of the shielded door is characterized in that a handle (5) is arranged at the top of the shell (3).

5. The manual unlocking push rod limiting mechanism of the shield door is characterized in that a plurality of screw holes (4) are formed in one side of the shell (3), and the screw holes (4) are symmetrically distributed.

6. The manual unlocking push rod limiting mechanism of the shield door is characterized in that a limiting plate (12) is fixedly connected to one side of the push rod (11), and the limiting plate (12) is located between the shell (3) and the connecting block (10).

7. The manual unlocking push rod limiting mechanism of the shielded door as claimed in claim 1, wherein one end of the output shaft of the motor (2) is fixedly connected with a limiting sleeve (8).

8. The manual unlocking push rod limiting mechanism of a shielded door according to claim 2, wherein a non-slip mat is fixedly connected to one side of the locking ring (18).