CN110344725B - Latch device for sliding door - Google Patents

Latch device for sliding door Download PDF

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Publication number
CN110344725B
CN110344725B CN201910594521.7A CN201910594521A CN110344725B CN 110344725 B CN110344725 B CN 110344725B CN 201910594521 A CN201910594521 A CN 201910594521A CN 110344725 B CN110344725 B CN 110344725B
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CN
China
Prior art keywords
space
sliding door
groove
end wall
lifting
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Active
Application number
CN201910594521.7A
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Chinese (zh)
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CN110344725A (en
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Yinuo Youth Industrial Design Co ltd
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Anhui Yinuo Youth Industrial Design Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Anhui Yinuo Youth Industrial Design Co ltd filed Critical Anhui Yinuo Youth Industrial Design Co ltd
Priority to CN201910594521.7A priority Critical patent/CN110344725B/en
Publication of CN110344725A publication Critical patent/CN110344725A/en
Application granted granted Critical
Publication of CN110344725B publication Critical patent/CN110344725B/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/60—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith holding sliding wings open
    • E05C17/64—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith holding sliding wings open by friction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/0621—Details, e.g. suspension or supporting guides
    • E05D15/0626—Details, e.g. suspension or supporting guides for wings suspended at the top
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/003—Braking devices, e.g. checks; Stops; Buffers for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/04—Frames for doors, windows, or the like to be fixed in openings
    • E06B1/52—Frames specially adapted for doors
    • E06B1/526—Frames specially adapted for doors for door wings that can be set up to open either left or right, outwards or inwards, e.g. provided with grooves for easily detachable hinges or latch plates
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/42—Sliding wings; Details of frames with respect to guiding
    • E06B3/46—Horizontally-sliding wings
    • E06B3/4636—Horizontally-sliding wings for doors
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

The invention discloses a latch device for a sliding door, which comprises a fixed frame, wherein a through space which is communicated from front to back is arranged in the fixed frame, sliding door plates are symmetrically arranged at the front side and the back side in a hoisting groove, an electric control device is arranged at the middle position of the left end wall and the right end wall of the through space, a manual adjusting device is arranged at the middle position of a pulling rope in a penetrating manner, and a damping device connected with the sliding door plates is arranged at the middle position of the lower end wall of the sliding groove. In the working process of the invention, the position relation of the sliding door plate is controlled by the driving device, and the sliding door plate can also be controlled by manually pushing the sliding door plate, the damping device can avoid the sliding door plate from sliding too fast, reduce impact, protect the safety of the device, realize the locking of the sliding door plate at any position, and control the locking and unlocking by the manual adjusting device under the condition of power failure.

Description

Latch device for sliding door
Technical Field
The invention relates to the field of door locks, in particular to a latch device for a sliding door.
Background
In people's daily life, the sliding door is installed in most people's house, and latch device must use, and most latch device is manual control, the in-process of promotion, can produce great impact force when too fast, the in-process of striking causes the damage of device easily, and only can fall the lock under the complete closed condition, open under the condition of equidimension not according to the weather environment of difference at people, the sliding door slides easily, certain potential safety hazard has, at present, also there are some automatically controlled doors on the market, the unicity of falling the lock position has not been solved yet, and under the condition of outage, the sliding door just can't fall the lock, it is convenient inadequately to use.
Disclosure of Invention
It is an object of the present invention to provide a latch device for a sliding door that solves the problems set forth in the background art described above.
In order to achieve the purpose, the invention provides the following technical scheme: a latch device for a sliding door comprises a fixed frame, wherein a through space which is communicated from front to back is arranged in the fixed frame, a hoisting groove in the left-right direction is arranged at the upper end wall of the through space, hoisting rods are symmetrically arranged in the hoisting groove from front to back, the left end and the right end of each hoisting rod are respectively and fixedly connected with the left end wall and the right end wall of the hoisting groove, sliding door plates are symmetrically arranged in the hoisting groove from front to back, the sliding door plates are all hoisted on the hoisting rods through driving devices at the upper sides of the sliding door plates, a friction plate which extends left and right is arranged at the upper side in the hoisting groove, lifting grooves are symmetrically arranged at the left end wall and the right end wall of the hoisting groove, the left end and the right end of each friction plate are respectively positioned in the lifting grooves at the left side and the right side, and the parts of the friction plates in the lifting grooves are all elastically and fixedly connected, the utility model discloses a slide door plate, including the wall of the left and right sides of the space of passing, the intermediate position department of both ends wall all is provided with an electrically controlled device about the space of passing, electrically controlled device all is connected with the friction disc through a tractive line, a manual adjusting device has all been run through to the intermediate position department of tractive line, bilateral symmetry is provided with a sliding tray around the earning of end wall under the space of passing, the lower extreme of slide door plate all is located the sliding tray of same vertical direction, the intermediate position department of end wall all is provided with a damping device who is connected with slide door plate under the sliding tray, the preceding terminal surface right side of back side slide door plate and the rear end surface left side of preceding slide door plate all are.
As preferred, drive arrangement is including being located the spread groove of sliding door board upper end, the spread groove is all run through to the hoisting rod, it has a plurality ofly from driving wheel and a action wheel to distribute on the equal horizontal direction in the spread groove, all end wall rotary type fixed connection around through a rotation axis and spread groove from the driving wheel, the intermediate position department of action wheel all runs through and is provided with a drive shaft, the inner wall rotary type fixed connection of drive shaft one end and spread groove, the other end of drive shaft all extends the inner wall inside and the equal power connection who gets into the spread groove and has a driving motor, all with hoisting rod friction connection from the lower extreme of driving wheel and action wheel.
As preferred, damping device is including being located inside and the ascending transmission groove of opening of sliding tray lower extreme wall, the inside transmission space that all is provided with of rear end wall in transmission groove, all be provided with a attenuator in the transmission space, the right-hand member face central point department of putting of attenuator all is provided with a connecting rod, the front end wall and a fixedly connected with meshing gear of transmission space all are passed to the front end of connecting rod, the lower terminal surface of sliding door board all is provided with a connecting groove, the rack plate that extends about the upper end wall of connecting groove all is fixed to be provided with one, the transmission groove is all worn out and is connected with rack plate meshing transmission in the upper end of meshing gear.
As preferred, electrically controlled device is including being located the inside lift space of fixed frame, the fixed lift motor that is provided with of lower terminal wall in lift space, lift motor's upper end power is connected with a threaded spindle, the upper end of threaded spindle and the upper end wall rotary type fixed connection in lift space, the inside spacing cooperation in lift space is provided with a elevator, the elevator cup joints on the axis body of threaded spindle through screw-thread fit's mode, the upper end and the tractive rope fixed connection of elevator, the upper end and the friction disc fixed connection of tractive rope.
Preferably, the manual adjusting device comprises a rotating space located inside the fixed frame, a cylindrical rotating block is arranged inside the rotating space, a twisted rope hole which extends forwards and backwards and penetrates up and down is formed in the rotating block, the pulling rope penetrates through the twisted rope hole, a rotating shaft is fixedly connected to the front end of the rotating block, an idle rotating space is arranged inside the front end wall of the rotating space, an internal spline groove is formed in the front end wall of the idle rotating space in a communicated mode, the front end of the rotating shaft penetrates through the idle rotating space and the internal spline groove and extends forwards and is fixedly connected with a manual knob, a spline block is fixedly sleeved on a shaft body of the rotating shaft located in the internal spline groove, a supporting spring is connected to the rear end of the spline block, and the rear end of the supporting spring is fixedly connected with the rear end wall of the idle rotating space.
Compared with the prior art, the invention has the beneficial effects that: the damping device can prevent the sliding door plate from sliding too fast in the manual pushing process, reduce impact and protect the safety of the device, the size of the door opening can be controlled according to personal needs after the sliding door plate moves to a specified position, the damping device is convenient to use, and locking and unlocking can be controlled by the manual adjusting device under the condition of power failure.
Drawings
FIG. 1 is a schematic overall sectional front view of the present invention;
FIG. 2 is a schematic top view of the present invention in full section;
fig. 3 is a left-side view structural diagram of the whole full section of the invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention is shown: a latch device for a sliding door comprises a fixed frame 1, wherein a through space 2 which is communicated from front to back is arranged in the fixed frame 1, a hoisting groove 3 in the left-right direction is arranged at the upper end wall of the through space 2, hoisting rods 4 are symmetrically arranged in the hoisting groove 3 from front to back, the left end and the right end of each hoisting rod 4 are respectively and fixedly connected with the left end wall and the right end wall of the hoisting groove 3, sliding door plates 5 are symmetrically arranged in the hoisting groove 3 from front to back, the sliding door plates 5 are hoisted on the hoisting rods 4 through driving devices at the upper sides of the sliding door plates, friction plates 6 which extend from left to right are arranged at the upper sides in the hoisting grooves 3, lifting grooves 7 are symmetrically arranged at the left end wall and the right end wall of the hoisting groove 3, the left end and the right end of each friction plate 6 are respectively positioned in the lifting grooves 7 at the left side and the right side, the parts of the friction plates 6 positioned in the lifting grooves 7 are respectively and fixedly connected with, the intermediate position department of two end walls all is provided with an electrically controlled device about current space 2, electrically controlled device all is connected with friction disc 6 through a tractive rope 8, a manual adjusting device has all been run through to the intermediate position department of tractive rope 8, bilateral symmetry is provided with a sliding tray 9 around the earning of current space 2 lower end wall, the lower extreme of sliding tray 5 all is located the sliding tray 9 of same vertical direction, the intermediate position department of sliding tray 9 lower end wall all is provided with a damping device who is connected with sliding tray 5, the preceding terminal surface right side of sliding tray 5 on the back and the rear end surface left side of preceding sliding tray 5 on the back all are provided with a baffler 10.
Beneficially, drive arrangement includes the spread groove 11 that is located sliding door 5 upper end, the connecting groove 11 is all run through to hoist and mount pole 4, it has a plurality of from driving wheel 12 and a action wheel 13 to distribute on the equal horizontal direction in the connecting groove 11, all end wall rotary type fixed connection around from driving wheel 12 through a rotation axis 14 and spread groove 11, the intermediate position department of action wheel 13 all runs through and is provided with a drive shaft 15, the inner wall rotary type fixed connection of drive shaft 15 one end and spread groove 11, the other end of drive shaft 15 all extends into the inner wall inside of spread groove 11 and equal power connection has a driving motor 16, all with hoist and mount pole 4 friction joint from the lower extreme of driving wheel 12 and action wheel 13. The effect is that the sliding door panel 5 is stably hoisted on the hoisting rod 4 through the driving wheel 13 and the driven wheel 12, the driving motor 16 works, and the driving wheel 13 is driven to rotate through the rotation of the driving shaft 15, so that the purpose of electrically controlling the sliding door panel 5 to move is achieved, and the use is more convenient.
Beneficially, the damping device includes a transmission groove 17 located inside the lower end wall of the sliding groove 9 and having an upward opening, a transmission space 18 is provided inside the rear end wall of the transmission groove 17, a damper 19 is provided inside the transmission space 18, a connecting rod 20 is provided at the center of the right end face of the damper 19, the front end of the connecting rod 20 penetrates through the front end wall of the transmission space 18 and is fixedly connected with a meshing gear 21, a connecting groove 22 is provided on the lower end face of the sliding door panel 5, a rack plate 23 extending left and right is fixedly provided on the upper end wall of the connecting groove 22, and the upper end of the meshing gear 21 penetrates through the transmission groove 17 and is in meshing transmission connection with the rack plate 23. The effect is that, the in-process that removes about sliding door panel 5, rack plate 23 removes, and it is rotatory to drive meshing gear 21 to transmit rotary motion to attenuator 19, through the translation rate of attenuator 19 control sliding door panel 5, avoid sliding door panel 5 to remove too fast, reduce the impact force, protection device's safety.
Beneficially, the electric control device includes a lifting space 24 located inside the fixed frame 1, a lifting motor 25 is fixedly arranged on the lower end wall of the lifting space 24, a threaded shaft 26 is dynamically connected to the upper end of the lifting motor 25, the upper end of the threaded shaft 26 is rotatably and fixedly connected to the upper end wall of the lifting space 24, a lifting block 27 is arranged inside the lifting space 24 in a limiting fit manner, the lifting block 27 is sleeved on the shaft body of the threaded shaft 26 in a threaded fit manner, the upper end of the lifting block 27 is fixedly connected to the traction rope 8, and the upper end of the traction rope 8 is fixedly connected to the friction plate 6. Its effect is, elevator motor 27 work through the position of control elevator block 27 to pulling tractive rope 8, thereby drive friction disc 6 downstream, accomplish the locking function, thereby can both accomplish the lock that falls in optional position, guarantee the stability of sliding door, can control the size of opening the door according to individual needs in addition, convenient to use.
Advantageously, said manual adjustment means comprise a rotation space 28 inside the fixed frame 1, a cylindrical rotating block 29 is arranged in the rotating space 28, a twisted rope hole 30 which extends forwards and backwards and penetrates up and down is arranged in the rotating block 29, the pulling rope 8 penetrates through the rope twisting hole 30, the front end of the rotating block 29 is fixedly connected with a rotating shaft 31, an idle space 32 is arranged inside the front end wall of the rotating space 28, an internal spline groove 33 is arranged at the front end wall of the idle space 32 in a communication mode, the front end of the rotation shaft 31 penetrates the idle space 32 and the internally splined groove 33 and extends forward and is fixedly connected with a manual knob 34, a spline block 35 is fixedly sleeved on the shaft body of the rotating shaft 31 positioned in the internal spline groove 33, a supporting spring 36 is connected to the rear end of the spline block 35, and the rear end of the supporting spring 36 is fixedly connected to the rear end wall of the idle space 32. The manual control device has the effects that in the power-off state, the manual knob 34 is pushed backwards, the spline block 35 enters the idle space 32, at the moment, the manual knob 34 is rotated, the rotating block 29 is driven to rotate through the rotating shaft 31, the loosening or twisting state of the traction rope 8 is controlled, the manual control of locking and unlocking is realized, and the normal use of the device under the power-off condition is ensured.
The use method of the invention comprises the following steps: during the operation of the invention, the sliding door is opened and closed by controlling the crossed distribution positions of the sliding door plates at the front side and the rear side, the sealing performance is ensured by the baffle plate, when the invention is used, the sliding door plate 5 is stably hung on the hoisting rod 4 by the driving wheel 13 and the driven wheel 12, the driving motor 16 works, the driving wheel 13 is driven to rotate by the rotation of the driving shaft 15, thereby the purpose of electrically controlling the movement of the sliding door plate 5 is achieved, in the process that the sliding door plate 5 moves left and right, the rack plate 23 moves to drive the meshing gear 21 to rotate, thereby the rotating motion is transmitted to the damper 19, the moving speed of the sliding door plate 5 is controlled by the damper 19, after the sliding door plate 5 moves to the designated position, the lifting motor 27 works, the pulling rope 8 is pulled by controlling the position of the lifting block 27, thereby the friction plate 6 is driven to move downwards, the locking function is completed, thereby the, the stability of sliding door is guaranteed, and in the power-off state, the manual knob 34 is pushed backwards to enable the spline block 35 to enter the idle running space 32, at the moment, the manual knob 34 is rotated to drive the rotating block 29 to rotate through the rotating shaft 31, so that the loosening or twisting state of the traction rope 8 is controlled, and the manual control of locking and unlocking is realized.
The invention has the beneficial effects that: during the use, through the position relation of drive arrangement control slip door plant, also can control through manual promotion slip door plant, the in-process of manual promotion, damping device can avoid the slip door plant to slide too fast, reduces the impact, protection device's safety, the slip door plant removes behind the assigned position, can control the size of opening the door according to individual needs moreover, convenient to use, and under the condition of outage, also can control shutting and unblank through manual adjusting device.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. A latch device for a sliding door comprises a fixed frame, wherein a through space which is communicated from front to back is arranged in the fixed frame, a hoisting groove in the left-right direction is arranged at the upper end wall of the through space, hoisting rods are symmetrically arranged in the hoisting groove from front to back, the left end and the right end of each hoisting rod are respectively and fixedly connected with the left end wall and the right end wall of the hoisting groove, sliding door plates are symmetrically arranged in the hoisting groove from front to back, the sliding door plates are hoisted on the hoisting rods through driving devices at the upper sides of the sliding door plates, the latch device is characterized in that a friction plate which extends from left to right is arranged at the upper side in the hoisting groove, lifting grooves are symmetrically arranged at the left end wall and the right end wall of the hoisting groove, the left end and the right end of the friction plate are respectively positioned in the lifting grooves at the left side and the right side, and the parts of the friction plate positioned in the lifting grooves are respectively, the utility model discloses a slide door plate, including the wall of the left and right sides of the space of passing, the intermediate position department of both ends wall all is provided with an electrically controlled device about the space of passing, electrically controlled device all is connected with the friction disc through a tractive line, a manual adjusting device has all been run through to the intermediate position department of tractive line, bilateral symmetry is provided with a sliding tray around the earning of end wall under the space of passing, the lower extreme of slide door plate all is located the sliding tray of same vertical direction, the intermediate position department of end wall all is provided with a damping device who is connected with slide door plate under the sliding tray, the preceding terminal surface right side of back side slide door plate and the rear end surface left side of preceding slide door plate all are.
2. A latching device for a sliding door according to claim 1, characterized by the functions of: drive arrangement is including being located the spread groove of sliding door board upper end, the spread groove is all run through to the hoist and mount pole, it has a plurality ofly from driving wheel and a action wheel to distribute on the equal horizontal direction in the spread groove, all through the front and back end wall rotary type fixed connection of a rotation axis and spread groove from the driving wheel, the intermediate position department of action wheel all runs through and is provided with a drive shaft, the inner wall rotary type fixed connection of drive shaft one end and spread groove, the other end of drive shaft all extends the inner wall inside and the equal power connection who gets into the spread groove and has a driving motor, all with hoist and mount pole friction connection from the lower.
3. A latching device for a sliding door according to claim 1, characterized by the functions of: damping device is including being located inside and the ascending transmission groove of opening of sliding tray lower extreme wall, the inside transmission space that all is provided with of rear end wall of transmission groove, all be provided with a attenuator in the transmission space, the right-hand member face central point department of putting of attenuator all is provided with a connecting rod, the front end wall and a fixedly connected with meshing gear of transmission space all are passed to the front end of connecting rod, the lower terminal surface of sliding door board all is provided with a connecting groove, the upper end wall of connecting groove is all fixed and is provided with the rack plate of extending about one, the transmission groove is all worn out and is connected with rack plate meshing transmission in the upper end of meshing gear.
4. A latching device for a sliding door according to claim 1, characterized by the functions of: the electric control device comprises a lifting space located inside a fixed frame, a lifting motor is fixedly arranged on the lower end wall of the lifting space, the upper end of the lifting motor is connected with a threaded shaft in a power mode, the upper end of the threaded shaft is fixedly connected with the upper end wall of the lifting space in a rotating mode, a lifting block is arranged in the lifting space in a limiting matched mode, the lifting block is sleeved on the shaft body of the threaded shaft in a threaded matched mode, the upper end of the lifting block is fixedly connected with a traction rope, and the upper end of the traction rope is fixedly connected with a friction plate.
5. A latching device for a sliding door according to claim 1, characterized by the functions of: the manual adjusting device comprises a rotating space located inside a fixed frame, a cylindrical rotating block is arranged inside the rotating space, a rope twisting hole which extends forwards and backwards and penetrates up and down is formed in the rotating block, a pulling rope penetrates through the rope twisting hole, a rotating shaft is fixedly connected to the front end of the rotating block, an idling space is arranged inside the front end wall of the rotating space, an inner spline groove is formed in the front end wall of the idling space in a communicated mode, the front end of the rotating shaft penetrates through the idling space and the inner spline groove and extends forwards and is fixedly connected with a manual knob, a spline block is fixedly sleeved on a shaft body of the rotating shaft located in the inner spline groove, a supporting spring is connected to the rear end of the spline block, and the rear end of the supporting spring is fixedly connected with the rear end wall of the idling space.
CN201910594521.7A 2019-07-03 2019-07-03 Latch device for sliding door Active CN110344725B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910594521.7A CN110344725B (en) 2019-07-03 2019-07-03 Latch device for sliding door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910594521.7A CN110344725B (en) 2019-07-03 2019-07-03 Latch device for sliding door

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Publication Number Publication Date
CN110344725A CN110344725A (en) 2019-10-18
CN110344725B true CN110344725B (en) 2020-05-22

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114135194B (en) * 2021-12-13 2023-05-16 浙江兆民玻璃技术有限公司 Window convenient for pushing and pulling

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2929121Y (en) * 2006-07-03 2007-08-01 耿雨浩 Translation type hanging door
KR20080004754A (en) * 2006-07-06 2008-01-10 에드워드 기홍 이 Balcony door that is equip do automatic reorganization chapter
CN207705524U (en) * 2017-11-22 2018-08-07 中山市捷乐自动门有限公司 A kind of mobile door using conductiving slide rail
CN108487816A (en) * 2018-05-29 2018-09-04 钟锦娥 Mechanical locking type automatic door opening/closing device
CN109083541A (en) * 2018-08-28 2018-12-25 屠晓斌 A kind of New locking device and its application method

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