CN109356340B - Non-return self-locking device for positioning valve plate of ventilation skylight and application method thereof - Google Patents
Non-return self-locking device for positioning valve plate of ventilation skylight and application method thereof Download PDFInfo
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- CN109356340B CN109356340B CN201811037644.2A CN201811037644A CN109356340B CN 109356340 B CN109356340 B CN 109356340B CN 201811037644 A CN201811037644 A CN 201811037644A CN 109356340 B CN109356340 B CN 109356340B
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- valve plate
- hook
- wire rope
- steel wire
- locking device
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
- E04D13/0357—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts pivoting about an axis supported on a hinged frame or arms
Abstract
The invention relates to the field of ventilation skylights, in particular to a non-return self-locking device for positioning a valve plate of a ventilation skylight and a use method thereof, wherein the non-return self-locking device comprises an anti-slip hook, the anti-slip hook is connected with a rotating part, and the rotating part comprises a rotating pin; the anti-skid hook is further connected with a driving part for driving the anti-skid hook to rotate around the rotating pin. The device disclosed by the invention is suitable for various plants needing to be provided with the skylight, meanwhile, the performances of skylight opening ventilation and heat preservation closing are realized, and the valve plate is provided with the wind-proof to return self-locking device, so that the stability and wind-proof function of the skylight clerestory door valve plate in severe weather, windy seasons and northern areas are ensured.
Description
Technical Field
The invention relates to the field of ventilation skylights, in particular to a non-return self-locking device for positioning a valve plate of a ventilation skylight and a using method thereof.
Background
Because of the conditions such as climate and factory building requirements, the ventilating skylight clerestory need to be provided with an open type to achieve heat preservation.
For solving the bad weather condition of traditional ventilation skylight dormer and windy season, open the valve plate and lean on the dead weight flagging to close, because of circumstances such as wind cause open the valve plate and be lifted by wind and can not reach the heat preservation effect and can produce the noise, open the valve plate for a long time and damage ageing. A fixing device is required to achieve the fixation of the valve plate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a non return self-lock device for the valve plate is fixed.
In order to achieve the purpose, the invention adopts the technical scheme that:
a non-return self-locking device for positioning a valve plate of a ventilation skylight comprises an anti-slip hook, wherein the anti-slip hook is connected with a rotating part, and the rotating part comprises a rotating pin; the anti-skid hook is further connected with a driving part for driving the anti-skid hook to rotate around the rotating pin.
The driving part comprises a driving motor, and the driving motor is connected with the anti-skidding hook through a steel wire rope; the driving motor drives the steel wire rope to drive the anti-skidding hook to rotate around the rotating pin.
The anti-skid hook is connected with the rotating pin through the connecting plate; the connecting plate is movably connected with the anti-slip hook.
The connecting plate is connected with the anti-skid hook through a connecting part, the connecting part comprises a waist-shaped groove arranged on the connecting plate, and the anti-skid hook is provided with a connecting hole; the connecting hole is opposite to the waist-shaped groove; the anti-skid hook and the connecting plate penetrate through the waist-shaped groove through the fastening bolt and are connected with the connecting hole.
The steel wire rope is connected with the upper end of the connecting plate through the transverse connecting block, and the steel wire rope drives the transverse connecting block.
A non-return self-locking device for positioning a valve plate of a ventilation skylight further comprises a stroke limiting assembly for returning an anti-slip hook; the stroke limiting assembly comprises a stroke limiting spring which is connected with the anti-slip hook and used for returning the anti-slip hook.
The stroke limiting assembly is connected with the connecting plate through a transverse connecting block; and one end of the transverse connecting block, which is far away from the connecting plate, is connected with the stroke limiting spring.
The stroke limiting spring is connected with a guide post and sleeved on the guide post; the guide post is characterized in that external threads are arranged at the end part of the guide post, and a support nut used for supporting the stroke limiting spring is arranged on the guide post.
The non-return self-locking device also comprises a guide device for guiding the movement of the steel wire rope, wherein the guide device comprises an arc-shaped guide rod, and a guide nut is arranged on the arc-shaped guide rod; the guide nut is positioned above the connecting position of the steel wire rope and the connecting plate.
The use method of the check self-locking device for positioning the valve plate of the ventilation skylight comprises the following steps:
(1) arranging a non-return self-locking device on the ventilation skylight, wherein the non-return self-locking device is arranged on a valve plate of the ventilation skylight, and correcting the installation position of the non-return self-locking device after the installation is finished;
(2) after the step (1) is finished, when a valve plate of the ventilation skylight is converted from a closed state to an open state, the driving part drives the steel wire rope to rotate, so that the steel wire rope drives the transverse connecting block connected with the steel wire rope to rotate around the rotating pin, then the anti-skid hook is driven to rotate around the rotating pin, the anti-skid hook is separated from the frame cross beam connected with the anti-skid hook, and after the anti-skid hook is completely separated from the frame cross beam, the valve plate drives the valve plate to rotate around a valve plate rotating shaft under the pulling of another steel wire rope, and then the valve plate is; when the valve plate of the ventilation skylight is converted from an opening state to a closing state, the steel wire rope connected with the valve is loosened, so that the valve plate rotates around the valve plate rotating shaft under the action of self gravity, the closing operation of the valve plate is further realized, after the valve plate is closed, the driving part rotates reversely, the length of the steel wire rope connected with the driving part is increased, and the anti-slip hook is clamped with a frame cross beam in the ventilation skylight under the pulling of the stroke limiting assembly, so that the ventilation skylight is limited and fixed;
(3) and (3) if the valve plate of the ventilation skylight needs to be opened or closed repeatedly, repeating the step (2).
The invention has the advantages that:
the device disclosed by the invention is suitable for various plants needing to be provided with the skylight, meanwhile, the performances of skylight opening ventilation and heat preservation closing are realized, and the valve plate is provided with the wind-proof to return self-locking device, so that the stability and wind-proof function of the skylight clerestory door valve plate in severe weather, windy seasons and northern areas are ensured.
Drawings
The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:
fig. 1 is an exploded view of the present invention.
Fig. 2 is a front view of the present invention with the guide removed.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a schematic diagram of the optimized structure of fig. 2.
The labels in the above figures are:
1. the anti-skidding hook comprises an anti-skidding hook body 2, a connecting plate 3, a rotating pin 4, a stroke limiting assembly 5, a transverse connecting block 6 and a guide device.
Detailed Description
The following description of preferred embodiments of the invention will be made in further detail with reference to the accompanying drawings.
The invention discloses a non-return self-locking device for locking a ventilation skylight; the device disclosed by the invention is suitable for various plants needing to be provided with the skylight, meanwhile, the performances of skylight opening ventilation and heat preservation closing are realized, and the valve plate is provided with the wind-proof to return self-locking device, so that the stability and wind-proof function of the skylight clerestory plate in severe weather, windy seasons and northern areas are ensured; the ventilating skylight is common equipment in actual production, the structure of the ventilating skylight belongs to a known structure, and details are not repeated, meanwhile, the ventilating skylight comprises a valve plate structure, the opening and closing of the valve plate structure can realize ventilation and heat preservation in a factory building for installing the ventilating skylight, meanwhile, the valve plate is also connected with a steel wire rope, the steel wire rope is connected with a driving device, the driving device can be a motor or other structures and is mainly used for providing external force for drawing when the valve plate is opened, the steel wire rope and the steel wire rope in the following text belong to two steel wire ropes, and the steel wire rope can be called as a main steel wire rope; the traditional valve plate has no other fixed structure, the valve plate is closed by utilizing the gravity of the valve plate, when large airflow is encountered, the valve plate can be jacked up, and when the valve plate falls back again, large noise is easily caused, and the whole structure of the valve plate can be damaged; therefore, in order to solve the technical problem, the invention discloses a non-return self-locking device; the non-return self-locking device comprises an anti-slip hook 1, the anti-slip hook 1 is connected with a rotating part, and the rotating part comprises a rotating pin 3; the anti-skid hook 1 is also connected with a driving part for driving the anti-skid hook 1 to rotate around the rotating pin 3; the driving part comprises a driving motor, and the driving motor is connected with the anti-skid hook 1 through a steel wire rope; the driving motor drives the steel wire rope to drive the anti-skid hook 1 to rotate around the rotating pin 3; the driving motor is used for folding the anti-skid hook 1, so that the anti-skid hook 1 is prevented from obstructing the opening of the valve plate, and meanwhile, the anti-skid hook 1 is arranged for fixing the valve plate; the position of the valve plate can be fixed by hooking the anti-skid hook 1 with the support frame; the anti-skid hook 1 is connected with a rotating pin 3, the rotating pin 3 is connected with other parts, the anti-skid hook 1 can rotate around the rotating pin 3 under the driving of external force, and the rotating pin 3 actually provides a rotating point for the anti-skid hook 1; when the valve plate of the ventilation skylight is converted from a closed state to an open state, the driving part drives the steel wire rope to rotate, so that the steel wire rope drives the transverse connecting block 5 connected with the steel wire rope to rotate around the rotating pin 3, then the anti-skid hook 1 is driven to rotate around the rotating pin 3, the anti-skid hook 1 is separated from the frame cross beam connected with the anti-skid hook 1, and after the anti-skid hook 1 is completely separated from the frame cross beam, the valve plate drives the valve plate to rotate around the valve plate rotating shaft under the pulling of the main steel wire rope, and then the valve plate is opened; when the valve plate of the ventilation skylight is converted to a closed state from an open state, the main steel wire rope connected with the valve is loosened, so that the valve plate rotates around the valve plate rotating shaft under the action of self gravity, the closing operation of the valve plate is further realized, after the valve plate is closed, the driving part runs reversely, the length of the steel wire rope connected with the driving part is increased, the anti-skidding hook 1 is pulled by the stroke limiting assembly 4, the anti-skidding hook 1 is clamped with a frame cross beam in the ventilation skylight, and the ventilation skylight is limited and fixed.
Preferably, the driving motor is connected with a steel wire rope, the non-return self-locking device comprises a pulley structure, the pulley structure is used for supporting the steel wire rope, the pulley structure is arranged on the ventilation skylight and comprises a plurality of single pulleys, the single pulleys are convenient for the wiring of the steel wire rope on the ventilation skylight, and the disorder of the wiring of the steel wire rope can be well avoided.
Preferably, the anti-slip hook 1 is connected with the rotating pin 3 through the connecting plate 2; the connecting plate 2 is movably connected with the anti-skid hook 1; the arrangement of the connecting plate 2 prevents the anti-skid hook 1 from being directly connected with the rotating pin 3; meanwhile, as an optimization, the connecting plate 2 comprises a placing groove 21, and the placing groove 21 is communicated with the side surface of the connecting plate 2; the placing groove 21 is in interference fit with the anti-skid hook 1; in actual operation, the placing groove is in interference fit with a vertical plate below; the connection between the connecting plate 2 and the anti-skidding hook 1 is more tight due to the arrangement, so that the anti-skidding hook 1 is convenient to fix and connect, and meanwhile, the anti-skidding hook 1 and the connecting plate 2 are also convenient to fix by the subsequent connecting part 9.
Preferably, in the invention, the connecting plate 2 is connected with the anti-skid hook 1 through a connecting part 9, the connecting part 9 comprises a waist-shaped groove 91 arranged on the connecting plate 2, and the anti-skid hook 1 is provided with a connecting hole; the connecting hole is opposite to the waist-shaped groove 91; the antiskid hook 1 and the connecting plate 2 are connected with each other by a fastening bolt 92 penetrating through the waist-shaped groove 91 and the connecting hole; through the arrangement, the relative position of the anti-skid hook 1 and the connecting plate 2 can be changed, and the application range of the anti-skid hook is widened.
Preferably, the steel wire rope is connected with the upper end of the connecting plate 2 through the transverse connecting block 5, and the steel wire rope drives the transverse connecting block 5; the transverse connecting block 5 is convenient for connecting the steel wire rope with the anti-skid hook 1, and meanwhile, the transverse connecting block 5 is convenient for connecting the stroke limiting assembly 4, so that the trouble of connection among actual parts is reduced; keep away from on the transverse connection piece 5 that one of connecting plate 2 serves and is equipped with vertical connecting block 11, is equipped with vertical connecting block connecting hole 111 on the vertical connecting block 11, and vertical connecting block connecting hole 111 is connected with wire rope.
Preferably, the non-return self-locking device further comprises a stroke limiting assembly 4 for returning the anti-slip hook 1; the stroke limiting assembly 4 comprises a stroke limiting spring 42 which is connected with the anti-skid hook 1 and used for returning the anti-skid hook 1; the arrangement of the stroke limiting spring 42 can well ensure that the anti-skidding hook 1 is connected with a middle frame beam of the ventilation skylight, and the stroke limiting spring 42 can be directly connected with the connecting plate 2 or directly connected with the transverse connecting block 5 and can be arranged as required; as a greater preference, in the present invention, the travel limit assembly 4 is connected with the connecting plate 2 through a transverse connecting block 5; one end of the transverse connecting block 5, which is far away from the connecting plate 2, is connected with a stroke limiting spring 42; according to the arrangement, the stroke limiting spring 42 is connected with the transverse connecting block 5, the transverse connecting block 5 is connected with the connecting plate 2, the transverse connecting block 5 is arranged, the connection of the stroke limiting assembly 4 is facilitated, and the subsequent effect is better realized, meanwhile, one end of the stroke limiting spring 42 can be selectively fixed, the other end of the stroke limiting spring is connected with the connecting plate 2 or the transverse connecting block 5, the position of the anti-skidding hook 1 is limited through the elasticity of the stroke limiting spring 42, the stroke limiting spring 42 plays a limiting role, the anti-skidding hook 1 is prevented from being separated from a frame cross beam under the effect of no external force, the aim of the invention cannot be realized, so that the transverse connecting block 5 is pulled by the stroke limiting spring 42 to be always in a horizontal state, the anti-skidding hook 1 can be connected with the frame cross beam for a long time, and the valve plate, ensure the stability and the wind-proof function of the skylight clerestory door valve plate in severe weather, windy seasons and northern areas.
Preferably, in the invention, the travel limit spring 42 is connected with the guide post 41, and the travel limit spring 42 is sleeved on the guide post 41; the end part of the guide post 41 is provided with an external thread, and the guide post 41 is provided with a support nut 43 for supporting the stroke limit spring 42; the arrangement of the guide post 41 can reduce the larger deformation of the stroke limiting spring 42, the using effect and the service life of the stroke limiting spring 42 are better guaranteed, meanwhile, the end part of the guide post 41 is provided with the external thread, meanwhile, the supporting nut 43 is connected with the external thread, the supporting nut 43 plays a supporting role, and through the arrangement, the supporting nut 43 mainly plays a role in supporting the stroke limiting spring 42.
Preferably, the non-return self-locking device further comprises a guide device 6 for guiding the movement of the steel wire rope, wherein the guide device 6 comprises an arc-shaped guide rod 61, and a guide nut 62 is arranged on the arc-shaped guide rod 61; the guide nut 62 is positioned above the connecting position of the steel wire rope and the connecting plate 2; in the arrangement, the guide nut 62 is arranged on the arc-shaped guide rod 61, the guide nut 62 plays a role in guiding, the steel wire rope penetrates through the guide nut 62, and the guide nut 62 is positioned above the connecting position of the steel wire rope and the connecting plate 2; better guarantee the pulling of wire rope to anti-skidding couple 1.
The use method of the check self-locking device for positioning the valve plate of the ventilation skylight comprises the following steps:
(1) arranging a non-return self-locking device on the ventilation skylight, wherein the non-return self-locking device is arranged on a valve plate of the ventilation skylight, and correcting the installation position of the non-return self-locking device after the installation is finished;
(2) after the step (1) is finished, when a valve plate of the ventilation skylight is converted from a closed state to an open state, the driving part drives the steel wire rope to rotate, so that the steel wire rope drives the transverse connecting block 5 connected with the steel wire rope to rotate around the rotating pin 3, then the anti-skid hook 1 is driven to rotate around the rotating pin 3, the anti-skid hook 1 is separated from the frame cross beam connected with the anti-skid hook 1, and after the anti-skid hook 1 is completely separated from the frame cross beam, the valve plate drives the valve plate to rotate around a valve plate rotating shaft under the pulling of another steel wire rope, and then the valve plate; when a valve plate of the ventilation skylight is converted into a closed state from an open state, a steel wire rope connected with the valve is loosened, so that the valve plate rotates around a valve plate rotating shaft under the action of self gravity, the closing operation of the valve plate is further realized, after the valve plate is closed, a driving part rotates reversely, the length of the steel wire rope connected with the driving part is increased, and the anti-skid hook 1 is clamped with a frame cross beam in the ventilation skylight under the pulling of a stroke limiting assembly 4, so that the ventilation skylight is limited and fixed; (3) and (3) if the valve plate of the ventilation skylight needs to be opened or closed repeatedly, repeating the step (2).
Preferably, the check self-locking device further comprises a supporting cross beam 10, the supporting cross beam 10 is hollow, the rotating pin 3 is arranged inside the supporting cross beam 10, two ends of the rotating pin 3 are inserted into the inner side wall of the supporting cross beam 10, the supporting cross beam 10 is connected with the valve plate, and meanwhile, an avoiding groove is formed in the lower end face of the supporting cross beam 10, so that the connecting plate 2 can conveniently rotate around the rotating pin 3; meanwhile, as a larger optimization, the supporting beam 10 plays a role in protection, the supporting beam 10 is sleeved on the transverse connecting block 5, in order to avoid the influence of the existence of the supporting beam 10 on the pulling of the steel wire rope on the transverse connecting block 5, the supporting beam 10 is provided with an avoiding hole 1001, and the steel wire rope can conveniently penetrate through the avoiding hole 1001 to be connected with the transverse connecting block 5 or the connecting plate 2; in addition, due to the existence of the supporting cross beam 10, the connection mode of the stroke limiting spring 42 in the stroke limiting assembly 4 is simplified, and in the non-return self-locking device of the supporting cross beam 10, the connection mode of the stroke limiting assembly 4 is changed, the stroke limiting assembly 4 comprises a guide post 41 connected with the transverse connecting block 5, a through hole is formed in the supporting cross beam 10, the guide post 41 penetrates through the supporting cross beam 10 and extends to the outer side of the supporting cross beam 10, meanwhile, the stroke limiting spring 42 is sleeved on the guide post 41, one end of the stroke limiting spring 42 is in contact with the supporting cross beam 10, the other end of the stroke limiting spring 42 is in contact with the supporting nut 43, and meanwhile, the stroke limiting assembly 4 and the anti-slip hook 1 are positioned.
Preferably, in the invention, at least two connecting parts 9 are arranged on the connecting plate 2, and the two connecting parts 9 are distributed in a staggered manner; by the arrangement, the connecting plate 2 and the anti-skid hook 1 are changed to be in the same straight line, and the connecting part 9 can fix the connecting plate 2 and the anti-skid hook 1 more stably.
Preferably, the anti-slip hook 1 in the invention comprises a vertical plate 101 and a horizontal plate 102, wherein the horizontal plate 102 is arranged perpendicular to the vertical plate 101; the upper end surface of the horizontal plate 102 is attached to the ventilating skylight support; the structure of the anti-skid hook 1 is simpler, and the production cost of the anti-skid hook 1 is reduced; as a greater optimization, the horizontal plate 102 is provided with a limiting groove 103; the limiting groove 103 plays a limiting role, so that the anti-skid hook 1 is connected with the frame beam.
Preferably, the non-return self-locking device of the invention further comprises a protective shell, the protective shell comprises an upper shell 7 and a lower shell 8, the upper shell 7 is hollow, the lower end of the upper shell is provided with an opening, the upper shell 7 is buckled upside down above the supporting cross beam 10, the guiding device 6 is positioned in the upper shell 7, the upper end of the upper shell 7 is provided with a communication hole, and the steel wire rope passes through the communication hole to be connected with a guiding nut 62 on the guiding device 6; the lower shell 8 is arranged below the supporting cross beam 10, the lower shell 8 is hollow, an opening is also formed in the upper end of the lower shell 8, the lower end of the stroke limiting assembly 4 is arranged in the lower shell 8, and the upper shell 7 and the lower shell 8 play a role in protection.
It is clear that the specific implementation of the invention is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the invention.
Claims (5)
1. A non-return self-locking device for positioning a valve plate of a ventilation skylight is characterized by comprising an anti-slip hook, wherein the anti-slip hook is connected with a rotating part, and the rotating part comprises a rotating pin; the anti-skid hook is also connected with a driving part for driving the anti-skid hook to rotate around the rotating pin; the driving part comprises a driving motor, and the driving motor is connected with the anti-skidding hook through a steel wire rope; the driving motor drives the steel wire rope to drive the anti-skidding hook to rotate around the rotating pin; the steel wire rope is connected with the upper end of the connecting plate through the transverse connecting block and drives the transverse connecting block;
the anti-skid hook is connected with the rotating pin through the connecting plate; the connecting plate is movably connected with the anti-skid hook; the connecting plate comprises a placing groove which is communicated with the side surface of the connecting plate; the placing groove is in interference fit with the anti-skid hook; the connecting plate is connected with the anti-skid hook through a connecting part;
the connecting part comprises a waist-shaped groove arranged on the connecting plate, and the anti-skid hook is provided with a connecting hole; the connecting hole is opposite to the waist-shaped groove; the anti-skid hook and the connecting plate penetrate through the waist-shaped groove and the connecting hole through the fastening bolt to be connected; the non-return self-locking device also comprises a stroke limit assembly for returning the anti-slip hook; the stroke limiting assembly comprises a stroke limiting spring which is connected with the anti-slip hook and used for returning the anti-slip hook.
2. The check self-locking device for positioning the valve plate of the ventilation skylight according to claim 1, wherein the stroke limiting assembly is connected with the connecting plate through a transverse connecting block; and one end of the transverse connecting block, which is far away from the connecting plate, is connected with the stroke limiting spring.
3. The non-return self-locking device for positioning the valve plate of the ventilation skylight as claimed in claim 2, wherein the stroke limiting spring is connected with a guide post, and the stroke limiting spring is sleeved on the guide post; the guide post is characterized in that external threads are arranged at the end part of the guide post, and a support nut used for supporting the stroke limiting spring is arranged on the guide post.
4. The non-return self-locking device for positioning the valve plate of the ventilation skylight according to claim 3, further comprising a guide device for guiding the movement of the steel wire rope, wherein the guide device comprises an arc-shaped guide rod, and a guide nut is arranged on the arc-shaped guide rod; the guide nut is positioned above the connecting position of the steel wire rope and the connecting plate.
5. The use method of the check self-locking device for positioning the valve plate of the ventilation skylight as claimed in any one of claims 1-4, wherein the use method comprises the following steps:
(1) arranging a non-return self-locking device on the ventilation skylight, wherein the non-return self-locking device is arranged on a valve plate of the ventilation skylight, and correcting the installation position of the non-return self-locking device after the installation is finished;
(2) after the step (1) is finished, when a valve plate of the ventilation skylight is converted from a closed state to an open state, the driving part drives the steel wire rope to rotate, so that the steel wire rope drives the transverse connecting block connected with the steel wire rope to rotate around the rotating pin, then the anti-skid hook is driven to rotate around the rotating pin, the anti-skid hook is separated from the frame cross beam connected with the anti-skid hook, and after the anti-skid hook is completely separated from the frame cross beam, the valve plate drives the valve plate to rotate around a valve plate rotating shaft under the pulling of another steel wire rope, and then the valve plate is; when the valve plate of the ventilation skylight is converted from an opening state to a closing state, the steel wire rope connected with the valve is loosened, so that the valve plate rotates around the valve plate rotating shaft under the action of self gravity, the closing operation of the valve plate is further realized, after the valve plate is closed, the driving part rotates reversely, the length of the steel wire rope connected with the driving part is increased, and the anti-slip hook is clamped with a frame cross beam in the ventilation skylight under the pulling of the stroke limiting assembly, so that the ventilation skylight is limited and fixed;
(3) and (3) if the valve plate of the ventilation skylight needs to be opened or closed repeatedly, repeating the step (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811037644.2A CN109356340B (en) | 2018-09-06 | 2018-09-06 | Non-return self-locking device for positioning valve plate of ventilation skylight and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811037644.2A CN109356340B (en) | 2018-09-06 | 2018-09-06 | Non-return self-locking device for positioning valve plate of ventilation skylight and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109356340A CN109356340A (en) | 2019-02-19 |
| CN109356340B true CN109356340B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811037644.2A Active CN109356340B (en) | 2018-09-06 | 2018-09-06 | Non-return self-locking device for positioning valve plate of ventilation skylight and application method thereof |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122214U (en) * | 1992-05-19 | 1992-11-18 | 李永恒 | Self-locking window latch |
| JP3348955B2 (en) * | 1994-02-21 | 2002-11-20 | タキロン株式会社 | Retractable lighting window |
| CN2248313Y (en) * | 1996-01-26 | 1997-02-26 | 中国耀华玻璃集团公司秦皇岛耀华玻璃钢厂 | Curved natural ventilator |
| CN2505015Y (en) * | 2001-10-17 | 2002-08-14 | 陈华明 | Pedal raising and lowering device for seat and cover of toilet |
| CN201056941Y (en) * | 2006-12-29 | 2008-05-07 | 深圳市中锋智能技术有限公司 | Electric window capable of automatically locking window |
| CN201347666Y (en) * | 2008-12-29 | 2009-11-18 | 王嘉 | Window self-locking device |
| CN102852294A (en) * | 2012-09-04 | 2013-01-02 | 万维通风设备江苏有限公司 | Electric ventilating skylight for high and cold region |
| CN104196382A (en) * | 2014-08-18 | 2014-12-10 | 济南大学 | Method and equipment for automatically locking windows |
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2018
- 2018-09-06 CN CN201811037644.2A patent/CN109356340B/en active Active
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| CN109356340A (en) | 2019-02-19 |
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Denomination of invention: The invention relates to a check self-locking device for positioning the valve plate of a ventilation skylight and an application method thereof Effective date of registration: 20220330 Granted publication date: 20210202 Pledgee: Wuhu Jinsheng Rural Commercial Bank Co.,Ltd. Pledgor: WUHU HONGSHENG METAL PRODUCTS Co.,Ltd. Registration number: Y2022980003544 |