CN216553668U

CN216553668U - Quick detach axial structure and quick detach formula shutter

Info

Publication number: CN216553668U
Application number: CN202122985177.XU
Authority: CN
Inventors: 王国庆; 孔国庆
Original assignee: Shandong Yesheng New Material Technology Co ltd
Current assignee: Shandong Yesheng New Material Technology Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-05-17
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a quick-release shaft structure and a quick-release type shutter, and mainly relates to the field of shutters. The quick-release shaft structure comprises a mounting shaft shell, a limiting piece and a quick-release switch, wherein the limiting piece and the quick-release switch are hinged in an inner cavity of the mounting shaft shell; the tail end of the limiting piece is provided with a limiting block; an elastic reset piece matched with the limiting piece is arranged in the inner cavity of the mounting shaft shell; when a limiting block at the tail end of the limiting piece is in an unstressed state, the limiting piece is limited by the elastic resetting piece, so that the limiting block protrudes out of an inner cavity of the mounting shaft shell; the limiting block at the limiting end overcomes the elasticity of the elastic reset piece under the passive stress state, and the limiting block rotates so as to be arranged in the inner cavity of the mounting shaft shell. The utility model has the beneficial effects that: can be quick dismantle and install the shutter flabellum, shorten the work load and the operating time of installation. The whole (frame and fan blades) of the louver is cleaned more comprehensively, the neatness of the louver is improved, and meanwhile, glass can be scrubbed.

Description

Quick detach axial structure and quick detach formula shutter

Technical Field

The utility model relates to the field of shutters, in particular to a quick-release shaft structure and a quick-release shutter.

Background

The shutter is easy to accumulate dust after being used for a long time, the shutter blades are troublesome to detach and install before and after being cleaned, and the air quality of the living environment is influenced if the shutter blades are not cleaned for a long time. When the louver blades are cleaned, the sufficient cleaning effect cannot be achieved by simply cleaning, cleaning dead corners are easy to generate, the interior of the louver frame cannot be cleaned, and the louver blades need to be periodically detached to thoroughly clean the louver frame and the louver blades. The glass on the side surface of the louver cannot be cleaned after the louver is installed, the phenomenon of desublimation easily occurs on the glass due to high indoor temperature and humidity, glass window decoration or water vapor is formed and condensed on the inner side of the glass, and the glass window decoration or the water vapor is not convenient to clean after the louver is installed. Most of shutters have troublesome disassembly of the blades, and waste time and labor. The shutter of the traditional quick-release structure generally leaves a gap between the shutter blades and the shutter frame body, and sunlight can penetrate through the gap, so that the shading performance is insufficient, and therefore a quick-release shaft structure and a quick-release type shutter are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quick-release shaft structure and a quick-release shutter, which can quickly detach and install blades of the shutter and shorten the workload and working time of installation. Can dismantle the shutter flabellum fast and come better, more comprehensive clearance shutter whole (frame, flabellum) to the user and can also clean glass when improving the shutter neatness, when setting up of flabellum shape can shelter from sunshine, reduced the resistance of shutter flabellum when intaking indoor for the circulation of air. Meanwhile, the shape of the fan blades also reduces the dust accumulation amount. And between the quick-release structure shutter blades and the shutter frame body, the clearance is small, the shading degree is good, and the penetration of sunlight and ultraviolet rays can be more comprehensively blocked.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the quick-release shaft structure comprises a mounting shaft shell, a limiting part and a quick-release switch, wherein the limiting part is hinged to an inner cavity of the mounting shaft shell; the tail end of the limiting piece is provided with a limiting block; an elastic reset piece matched with the limiting piece is arranged in the inner cavity of the mounting shaft shell; when a limiting block at the tail end of the limiting piece is in an unstressed state, the limiting piece is limited through the elastic resetting piece, so that the limiting block protrudes out of the inner cavity of the mounting shaft shell; when the limiting block at the limiting end is in a passive stressed state, the limiting block overcomes the elasticity of the elastic reset piece, and the limiting block rotates so as to be arranged in the inner cavity of the mounting shaft shell; the quick release switch is used for actively applying force to the limiting part, the limiting part overcomes the elastic force of the elastic reset part, and the limiting part rotates to enable the limiting part to be arranged in the inner cavity of the mounting shaft shell.

The elasticity piece that resets sets up at installation axle housing inner chamber top, elasticity resets and cooperates with the locating part top.

The elasticity piece that resets sets up in installation axle housing inner chamber bottom, elasticity resets and the terminal cooperation of locating part.

The quick-release switch is a movable push rod, the movable push rod is vertically connected to the lower cavity wall of the inner cavity of the mounting shaft shell in a sliding mode, and the top end of the movable push rod is matched with the top end of the limiting part.

The installation shaft shell is characterized in that a through hole is formed in the lower cavity wall of the inner cavity of the installation shaft shell, the movable push rod is connected in a sliding mode along the through hole, a limiting boss is further arranged on the movable push rod, and the limiting boss is located in the inner cavity of the installation shaft shell.

The quick detach switch still includes the movable block, the catch bar of being connected with the movable block, the bottom surface lateral part of installation axle housing is equipped with smooth chamber, the bottom surface top of installation axle housing is equipped with the shaft hole that communicates with smooth chamber, the vertical sliding connection in activity push rod bottom and shaft hole, movable block sliding connection sets up in smooth intracavity, just the movable block top be equipped with the wedge face of activity push rod bottom contact, the catch bar end is worn out the bottom surface lateral part of installation axle housing.

The quick release switch is a pull rope and a lifting ring fixedly connected with the pull rope, and one end of the pull rope, far away from the lifting ring, penetrates through a rope hole in the bottom of the mounting shaft shell and is fixedly connected with the tail end of the limiting part.

The quick-release shaft structure comprises a quick-release shaft structure and a connecting shaft; the connecting shaft is connected with the shutter frame body and the shutter blades, the connecting shaft is arranged in the shutter frame body, the connecting shaft and the shutter blades are provided with fixing holes, one end of the quick-release shaft structure penetrates through the fixing holes, and the connecting shaft and the shutter blades are locked in a matched mode through limiting blocks.

The end face of each louver blade is provided with a mounting hole, and the mounting holes are matched with the connecting shafts. The connecting shaft is provided with a retainer ring and a spring in a matching manner, the connecting shaft is pulled out outwards to drive the retainer ring to compress the spring, and the spring acts on the shutter frame body.

Compared with the prior art, the utility model has the beneficial effects that:

can be quick dismantle and install the shutter flabellum, shorten the work load and the operating time of installation. Can dismantle the shutter flabellum fast and come better, more comprehensive clearance shutter whole (frame, flabellum) to the user and can also clean glass when improving the shutter neatness, when setting up of flabellum shape can shelter from sunshine, reduced the resistance of shutter flabellum when intaking indoor for the circulation of air. Meanwhile, the shape of the fan blades also reduces the dust accumulation amount. And between the quick-release structure shutter blades and the shutter frame body, the clearance is small, the shading degree is good, and the penetration of sunlight and ultraviolet rays can be more comprehensively blocked.

Drawings

FIG. 1 is an overall view of the apparatus of the present invention.

Fig. 2 is an internal view of the apparatus of the present invention.

FIG. 3 is a view showing the connection shaft and the blades of the blind in a separated state.

Fig. 4 is a structural view of a quick release shaft in the utility model.

FIG. 5 is a view showing the internal structure of a combination of embodiment 1 and embodiment 4 in the present invention.

FIG. 6 is a view showing the internal structure of a combination of embodiment 2 and embodiment 4 of the present invention.

FIG. 7 is a view showing the internal structure of a combination of embodiment 1 and embodiment 3 in the present invention.

FIG. 8 is a view showing the internal structure of a combination of embodiment 1 and embodiment 5 in the present invention.

Reference numerals shown in the drawings:

1. mounting a shaft shell; 2. a limiting member; 3. a limiting block; 4. an elastic reset member; 5. a movable push rod; 6. a through hole; 7. a limiting boss; 8. a movable block; 9. a push rod; 10. a slide chamber; 11. a wedge-shaped surface; 12. pulling a rope; 13. a hoisting ring; 14. a rope hole; 15. a shutter frame body; 16. louver blades; 17. a connecting shaft; 18. A fixing hole; 19. a middle surface; 20. mounting holes; 21. a retainer ring; 22. a spring; 23. mounting grooves; 24. a knob; 25. a spacer block; 26. a minor axis.

Detailed Description

The utility model will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

General overview:

the utility model relates to a quick-release shaft structure and a quick-release shutter, which can quickly detach and install shutter blades 16 and shorten the workload and the working time of installation. Can dismantle shutter flabellum 16 fast and come better, more comprehensive clearance shutter whole (frame, flabellum) to the user and can also clean glass when improving the shutter neatness, when the setting of flabellum shape can shelter from sunshine, has reduced the resistance of shutter flabellum 16 when to indoor air inlet for the circulation of air. Meanwhile, the shape of the fan blades also reduces the dust accumulation amount. And between the quick-release structure shutter blades 16 and the shutter frame body 15, the clearance is small, the shading degree is good, and the penetration of sunlight and ultraviolet rays can be more comprehensively blocked. The process is realized by the following specific structure:

as shown in the attached drawing fig. 4 of the specification, the main structure of the quick-release shaft structure comprises a mounting shaft shell 1, a limiting member 2 hinged in an inner cavity of the mounting shaft shell 1, and a quick-release switch; the tail end of the limiting piece 2 is provided with a limiting piece 3; an inner cavity of the mounting shaft shell 1 is provided with an elastic reset piece matched with the limiting piece 2, and the elastic reset piece is a pressure spring; the locating part 2 is a limiting rod, the limiting rod is hinged to the mounting shaft shell 1 through a short shaft 26, the mounting shaft shell 1 can rotate in a cavity of the mounting shaft shell 1 by taking the short shaft 26 as a central point, and the locating part 2 mainly comprises the following parts in the rotating condition of the mounting shaft shell 1:

the limiting block 3 at the end of the limiting block 2 is in an unstressed state, the unstressed state of the limiting block 3 is that the limiting block 3 does not receive the acting force of external force on the limiting block 2, the limiting block 2 is limited by the elastic resetting piece, and the elastic resetting piece enables the limiting block 3 to protrude from the inner cavity of the mounting shaft shell 1.

Spacing terminal stopper 3 is under passive stress, and the stress of stopper 3 receives external force to locating part 2 promptly, and external force overcomes the elasticity that the elasticity reset piece acted on locating part 2, and locating part 2 rotates around minor axis 26, makes stopper 3 withdraw in the inner chamber of installation axle housing 1 from installation axle housing 1 is outer.

The above-mentioned structure can specifically divide into a plurality of embodiments according to the position that the elastic reset piece set up at installation axle housing 1 inner chamber:

example 1:

as shown in fig. 5 in the attached drawings of the specification, the elastic resetting piece is arranged at the top of the inner cavity of the mounting shaft housing 1, the elastic resetting piece is matched with the top end of the limiting piece 2, and the elastic force of the elastic resetting piece acts on the top of the limiting piece 2. From quick detach axial structure angle analysis, elasticity resets the piece and sets up at 1 inner chamber top of installation axle housing, can directly reset the elastic action of piece with elasticity when applying external force.

Example 2:

as shown in fig. 6 of the attached drawings in the specification, the elastic resetting piece is arranged at the bottom of the inner cavity of the mounting shaft housing 1, the elastic resetting piece is matched with the tail end of the limiting piece 2, and the elastic force of the elastic resetting piece acts on the bottom of the limiting piece 2. The elastic reset piece directly acts on the limiting block 3, so that the limiting effect is better, and the elastic action of the elastic piece is more direct; the short shaft 26 connected with the mounting shaft shell 1 is not required to be stressed all the time, and the load of the short shaft 26 is small and the service life is long.

The above embodiment is the best effect of this device, does not exclude the possibility that other structures realize, and in the prior art, other common structures that can realize this scheme are also in the scope of protection of this patent so this no longer gives details again. Above structure only can realize quick installation and spacing, but unable quick dismantlement is in order to further realize quick dismantlement, so said to set up quick detach switch initiative application of force acts on locating part 2, through quick detach switch initiative application of force after, the elasticity that elasticity reset a effect is overcome to locating part 2 for thereby quick detach switch drives locating part 2 and rotates and make stopper 3 withdraw, arranges the inner chamber of installation axle housing 1 in, thereby stopper 3 cancels spacingly takes out quick detach axle whole, the following concrete structure that is quick detach switch:

example 3:

as shown in fig. 7 of the attached drawings, the quick release switch is a pull rope 12 and a hanging ring 13 fixedly connected with the pull rope 12, and one end of the pull rope 12 far away from the hanging ring 13 passes through a rope hole 14 at the bottom of the mounting axle housing 1 and is fixedly connected with the tail end of the limiting member 2. Pulling rings 13 to drive pull ropes 12 through the rings 13, applying a pulling force to the tail ends of the limiting pieces 2, wherein the pulling force overcomes the elastic force of the elastic reset pieces, so that the limiting pieces 2 rotate around short shafts 26, and the limiting pieces 3 are retracted into the mounting shaft shell 1 from the outside of the mounting shaft shell 1. The diameter of the hanging ring 13 is larger than that of the rope hole 14, so that the hanging ring 13 is prevented from entering the inner cavity of the mounting axle housing 1.

Example 4:

as shown in the attached drawing fig. 5 of the specification, the quick release switch is a movable push rod 5, the vertical sliding connection of the movable push rod 5 is in a through hole 6 in the lower cavity wall of the inner cavity of the mounting shaft shell 1, the movable push rod 5 is connected along the through hole 6 in a sliding manner, the movable push rod 5 can slide up and down in the inner cavity of the mounting shaft shell 1, the top end of the movable push rod 5 is matched with the top end of the limiting part 2, the movable push rod 5 is pushed to enable the limiting part 2 to overcome the elastic force of the elastic reset part, the limiting part 2 rotates around the short shaft 26, the limiting part 3 is retracted into the inner cavity of the mounting shaft shell 1 from the outside of the mounting shaft shell 1, and the limiting part 3 is cancelled for limiting.

In order to prevent the movable push rod 5 from being separated from the inner cavity of the mounting shaft shell 1, the movable push rod 5 is further provided with a limiting boss 7, the limiting boss 7 is located in the inner cavity of the mounting shaft shell 1, the limiting boss 7 slides in the inner cavity of the mounting shaft shell 1 along with the movable push rod 5, and when the movable push rod 5 slides downwards, the limiting boss 7 and the inner cavity of the mounting shaft shell 1 act to limit the movable push rod 5.

Example 5:

the quick detach switch is a movable push rod 5, the vertical sliding connection of movable push rod 5 is on the wall of installation axle housing 1 inner chamber lower chamber, and movable push rod 5 can slide from top to bottom in installation axle housing 1 inner chamber, the terminal top of movable push rod 5 cooperatees with the top of locating part 2. As shown in fig. 8 of the attached drawings of the specification, the quick release switch structure matched with the movable push rod 5 further comprises a movable block 8 and a push rod 9 connected with the movable block 8, a sliding cavity 10 is arranged on the side portion of the bottom surface of the mounting shaft shell 1, and a shaft hole communicated with the sliding cavity 10 is arranged at the top of the bottom surface of the mounting shaft shell 1, so that the sliding cavity 10 is communicated with the inner cavity of the mounting shaft shell 1 through the shaft hole. 5 bottoms of activity push rod and the vertical sliding connection in shaft hole, 8 sliding connection settings of movable block are in smooth chamber 10, just 8 tops of movable block are equipped with the wedge 11 with 5 bottom contacts of activity push rod for 5 bottoms of activity push rod are along the orbit lifting motion gradually of wedge 11, the bottom surface lateral part of installation axle housing 1 is worn out to catch bar 9 end. According to catch bar 9 and drive the displacement of movable block 8 for the orbit of activity push rod 5 bottom along wedge 11 is the lifting motion gradually, and activity push rod 5 risees and drives locating part 2 and overcome the elasticity that elasticity reset, makes locating part 2 rotate around minor axis 26, and stopper 3 withdraws in the inner chamber of installation axle housing 1 from installation axle housing 1 is outer, and stopper 3 cancels spacingly.

The above embodiment is the best effect of this device, does not exclude the possibility that other structures realize, and in the prior art, other common structures that can realize this scheme are also in the scope of protection of this patent so this no longer gives details again. The

embodiments

3, 4 and 5 can be freely combined and matched with the embodiments 1 or 2, the quick-release shaft structure of the shutter structure described below is a combination of the embodiments 1 and 4, and the following specific combination structure is applied to the shutter:

as shown in the attached drawing fig. 1 of the specification, the main structure comprises a shutter frame body 15 and shutter blades 16 to form a shutter whole, and further comprises a quick-release shaft structure and a connecting shaft 17; shutter support body 15 and shutter flabellum 16 are connected to connecting axle 17, connecting axle 17 sets up in shutter support body 15, connecting axle 17 and shutter flabellum 16 all are equipped with fixed orifices 18, quick detach axial structure passes the connecting axle 17 of 18 cooperation locks in shutter flabellum 16 of fixed orifices, quick detach axial structure can dismantle from fixed orifices 18 through the quick detach structure of self, takes connecting axle 17 out after the dismantlement completion and can lift shutter flabellum 16 fast off to the realization carries out the process of dismantling to shutter flabellum 16, for the ease of grasping the connecting axle, the connecting axle is connected and is provided with knob 24, be equipped with the line on knob 24, be convenient for point to grasp and the antiskid. The following structural adaptations are made for the louver blades 16:

as shown in fig. 2 and 3 of the attached drawings of the specification, two ends of the end surface of the louver blades 16 are in a streamline shape, so that resistance of the louver blades 16 to indoor air intake is reduced, and air circulation is accelerated. The middle surface 19 of the shutter blade 16 is a plane, the middle surface 19 is provided with a fixing hole 18 which is in transition fit with the quick-release shaft structure, the fixing hole 18 and the quick-release shaft structure do not need to be tightly matched so that the quick-release shaft structure can be rapidly taken out from the fixing hole 18, and even if a gap exists between the quick-release shaft structure and the fixing hole 18, the stability between the shutter blade 16 and the connecting shaft 17 is not affected. The end face of the shutter fan blade 16 is provided with a mounting hole 20, the mounting hole 20 is matched with the connecting shaft 17, the relation is clearance fit, the clearance fit can ensure that the connecting shaft 17 can be taken out from the mounting hole 20 quickly, and the stability of the connecting shaft 17 and the shutter fan blade 16 can be ensured.

As shown in fig. 2 of the accompanying drawings of the specification, the frame of the blind can be opened, and the frame of the blind is provided with an installation groove 23 for installing the connection shaft 17 in a matching manner, so that the connection shaft 17 can be movably displaced in the blind frame body 15, and the following structure is the specific structure of the connection shaft 17:

the connecting shaft 17 has the structure:

as shown in fig. 2 and 3 of the accompanying drawings of the specification, when the connecting shaft 17 is provided with a retaining ring 21 and a spring 22 in a matching manner in the mounting groove 23 to detach the louver blades 16, the connecting shaft 17 is pulled out to drive the retaining ring 21 to compress the spring 22, the spring 22 acts on the louver frame body 15, the retaining ring 21 acts on the spring 22 to prevent the connecting shaft 17 from being pulled out integrally, and the connecting shaft 17 is prevented from being mounted again after being pulled out. Considering from the use, if the connecting shaft 17 needs to be removed when the louver blades 16 are detached, the connecting shaft 17 needs to be held by hands and the blades need to be supported, so the connecting shaft 17 needs to be left in the mounting groove 23 of the louver, the detaching step is simplified, and the mounting step and the mounting process are saved. The connecting shaft 17 is equipped with the spacer 25, the spacer 25 interval shutter support body 15 and shutter flabellum 16 terminal surface, and the device reduces the clearance between shutter flabellum 16 and the shutter support body 15 as far as possible when improving the shutter shading degree, and the spacer 25 can prevent between shutter flabellum 16 and the shutter that the clearance undersize and mutual friction, improves smoothness and the durability when shutter flabellum 16 rotates.

The using method is detailed as follows:

pressing movable push rod 5 upward displacement, driving locating part 2 and rotating, stopper 3 withdraws from installation axle housing 1 inner chamber, can upwards ejecting quick detach axle construction, after dismantling the quick detach axle construction of shutter flabellum 16 both sides, stimulates the connecting axle 17 at both ends one by one for connecting axle 17 and shutter flabellum 16 separation, accomplish and dismantle shutter flabellum 16.

In conclusion, the louver blades 16 can be rapidly detached and installed, and the installation workload and the installation time are shortened. Can dismantle shutter flabellum 16 fast and come better, more comprehensive clearance shutter whole (frame, flabellum) to the user and can also clean glass when improving the shutter neatness, when the setting of flabellum shape can shelter from sunshine, has reduced the resistance of shutter flabellum 16 when to indoor air inlet for the circulation of air. Meanwhile, the shape of the fan blades also reduces the dust accumulation amount. And between the quick-release structure shutter blades 16 and the shutter frame body 15, the clearance is small, the shading degree is good, and the penetration of sunlight and ultraviolet rays can be more comprehensively blocked.

Claims

1. The utility model provides a quick detach axial structure which characterized in that: the quick-release shaft structure comprises a mounting shaft shell (1), a limiting part (2) and a quick-release switch, wherein the limiting part is hinged to the inner cavity of the mounting shaft shell (1);

the tail end of the limiting piece (2) is provided with a limiting piece (3); an elastic reset piece matched with the limiting piece (2) is arranged in the inner cavity of the mounting shaft shell (1);

when the limiting block (3) at the tail end of the limiting block (2) is in an unstressed state, the limiting block (2) is limited by the elastic resetting piece, so that the limiting block (3) protrudes out of an inner cavity of the mounting shaft shell (1);

when the limiting block (3) at the limiting end is in a passive stressed state, the limiting block (2) overcomes the elasticity of the elastic reset piece, and the limiting block (2) rotates so that the limiting block (3) is arranged in the inner cavity of the mounting shaft shell (1);

the quick release switch is actively applied with force to act on the limiting part (2), the elastic force of the elastic reset part is overcome by the limiting part (2), and the limiting part (2) rotates to enable the limiting block (3) to be arranged in an inner cavity of the mounting shaft shell (1).

2. The quick release shaft structure of claim 1, wherein:

the elasticity resets and sets up at installation axle housing (1) inner chamber top, elasticity resets and cooperates with locating part (2) top.

3. The quick release shaft structure of claim 1, wherein: the elasticity resets the piece and sets up in installation axle housing (1) inner chamber bottom, elasticity resets the piece and cooperates with locating part (2) end.

4. The quick release shaft structure according to any one of claims 1 to 3, wherein: the quick-release switch is a movable push rod (5), the movable push rod (5) is vertically connected to the lower cavity wall of the inner cavity of the mounting shaft shell (1) in a sliding mode, and the top end of the movable push rod (5) is matched with the top end of the limiting part (2).

5. The quick release shaft structure of claim 4, wherein: the mounting shaft shell is characterized in that a through hole (6) is formed in the lower cavity wall of the inner cavity of the mounting shaft shell (1), the movable push rod (5) is connected in a sliding mode along the through hole (6), a limiting boss (7) is further arranged on the movable push rod (5), and the limiting boss (7) is located in the inner cavity of the mounting shaft shell (1).

6. The quick release shaft structure of claim 4, wherein: quick detach switch still includes movable block (8), catch bar (9) be connected with movable block (8), the bottom surface lateral part of installation axle housing (1) is equipped with smooth chamber (10), the bottom surface top of installation axle housing (1) is equipped with the shaft hole with smooth chamber (10) intercommunication, the vertical sliding connection in activity push rod (5) bottom and shaft hole, movable block (8) sliding connection sets up in smooth chamber (10), just movable block (8) top is equipped with wedge (11) with activity push rod (5) bottom contact, the bottom surface lateral part of installation axle housing (1) is worn out to catch bar (9) end.

7. The quick release shaft structure according to any one of claims 1 to 3, wherein: the quick release switch is a pull rope (12) and a lifting ring (13) fixedly connected with the pull rope (12), and one end of the pull rope (12) far away from the lifting ring (13) penetrates through a rope hole (14) in the bottom of the mounting shaft shell (1) and is fixedly connected with the tail end of the limiting part (2).

8. The utility model provides a quick detach formula shutter, includes shutter support body (15) and shutter flabellum (16), its characterized in that: comprising a quick release shaft structure and a connecting shaft (17) according to claims 1-7 above;

the connecting shaft (17) is connected with a shutter frame body (15) and shutter blades (16), the connecting shaft (17) is arranged in the shutter frame body (15), the connecting shaft (17) and the shutter blades (16) are provided with fixing holes (18), one end of the quick-release shaft structure penetrates through the fixing holes (18), and the connecting shaft (17) and the shutter blades (16) are locked in a matched mode through a limiting block (3).

9. A quick release blind according to claim 8, wherein: both ends of the end face of each shutter blade (16) are streamline-shaped, the middle face (19) of each shutter blade (16) is a plane, the middle face (19) of each shutter blade (16) is provided with a fixing hole (18), the end face of each shutter blade (16) is provided with a mounting hole (20), and the mounting holes (20) are matched with the connecting shafts (17).

10. A quick release blind according to claim 8 or 9, characterized in that: the connecting shaft (17) is provided with a retainer ring (21) and a spring (22) in a matching manner, the connecting shaft (17) is pulled out outwards to drive the retainer ring (21) to compress the spring (22), and the spring (22) acts on the shutter frame body (15).