WO2023010952A1 - 一种卷帘平衡自锁制尾组件及连接结构 - Google Patents
一种卷帘平衡自锁制尾组件及连接结构 Download PDFInfo
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- WO2023010952A1 WO2023010952A1 PCT/CN2022/094143 CN2022094143W WO2023010952A1 WO 2023010952 A1 WO2023010952 A1 WO 2023010952A1 CN 2022094143 W CN2022094143 W CN 2022094143W WO 2023010952 A1 WO2023010952 A1 WO 2023010952A1
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- Prior art keywords
- tail
- self
- locking
- dial
- positioning tube
- Prior art date
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- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 9
- 239000004744 fabric Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 210000003813 thumb Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/62—Counterweighting arrangements
-
- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
Definitions
- the invention relates to the technical field of window decorations, in particular to a roller blind balanced self-locking tail assembly and a connection structure.
- Rebound tail products have the characteristics of easy installation and disassembly, so they are widely used in the installation of office roller blinds.
- the existing rebound-type tail lacks a self-locking structure. When the fabric deviates, the outer friction between the fabric and the dial drives the dial to rotate, causing the roller blind to separate from the connecting seat and fall off. In addition, the reel will jump when it rotates, and the rotation is not concentric, which will affect the normal use of the product.
- the object of the present invention is to propose a roller blind balance self-locking tail assembly and connection structure to solve one or more technical problems in the above-mentioned background technology.
- a balanced self-locking tail assembly for rolling blinds comprising a dial, a telescopic part, a pressure spring, a tail housing and a self-locking part, the dial is arranged at one end of the tail housing, and the telescopic part is slidably connected to On the inner side of the tail-making shell, one end of the telescopic part passes through the dial, and one end of the telescopic part is also provided with a connecting shaft, and the compression spring is arranged in the tail-making shell, and the compression spring One end of is against the telescopic part;
- the telescopic part drives the connecting shaft to slide axially;
- the self-locking part is movably connected to the tail casing, at least one slot is provided on the outer side of the dial, and the self-locking part is provided with a lock tongue matching the slot.
- one end of the tail housing is provided with an outwardly extending annular mounting portion, the annular mounting portion is provided with a boss, and one end of the self-locking member is provided with a matching hole, and the matching hole and the The boss fits; the other end of the self-locking part is provided with a buckle, and the ring-shaped installation part is provided with a buckle matching the lock; the ring-shaped installation part is also provided with a limit part, and the lock The outer side of the tongue is slidingly matched with the limiting part.
- the dial includes an adjusting disc and a first positioning tube, the adjusting disc is arranged at one end of the first positioning tube, and the first positioning tube is against the telescopic component;
- the end surface of the first positioning tube includes a plurality of outer inclined surfaces and a plurality of outer platform surfaces whose distances from the dial wheel are successively reduced, and the outer platform surfaces are arranged between two adjacently arranged outer inclined surfaces. , a plurality of said outer inclined surfaces and a plurality of said outer platform surfaces are connected in sequence to form a stepped shape;
- the dial further includes a second positioning tube, the second positioning tube is arranged inside the first positioning tube, and both the first positioning tube and the second positioning tube are connected to the telescopic part offset;
- the end surface of the second positioning tube includes a plurality of inner slopes and a plurality of inner platform surfaces whose distances from the dial wheel are successively reduced, and the inner platform surfaces are arranged between two adjacently arranged inner slope surfaces , a plurality of said inner slopes and a plurality of said inner platforms are sequentially connected to form a stepped shape; the outer slopes and inner slopes at the same distance from the dial are symmetrically arranged.
- the telescopic part includes a mandrel and a sliding cylinder
- the sliding cylinder is arranged on the outside of the mandrel
- the connecting shaft is arranged on one end of the mandrel
- a gear is arranged on the outside of the connecting shaft
- a matching gap is provided between the sliding cylinder and the mandrel
- a first abutting block is provided on the outside of the mandrel
- a second abutting block is provided on the inside of the sliding cylinder
- the first abutting block is provided on the outside of the mandrel.
- the connecting block and the second abutting block respectively abut against the end surfaces of the second positioning tube and the first positioning tube.
- the dial further includes a positioning platform, the positioning platform is arranged at one end of the first positioning tube, and a plurality of the card slots are provided on the outside of the positioning platform, and the plurality of card slots are respectively located on Outer sides of the plurality of outer plane platforms.
- a pin is also included, a limit hole is provided on the outside of the tail casing, a limit slide is also provided on the outside of the positioning platform, and one end of the pin passes through the limit hole and is connected to the limit hole. Chute sliding connection.
- the inner side of the tail housing is provided with a plurality of sliding blocks
- the outer side of the sliding cylinder is provided with a plurality of axial sliding grooves
- the sliding blocks are slidingly matched with the axial sliding grooves.
- a spring limiting hole is opened at the bottom of the sliding cylinder, one end of the compression spring corresponds to the spring limiting hole, and the other end of the compression spring abuts against the other end of the tail housing.
- the present invention also proposes a roller blind connection structure, including a tail assembly and a connection seat, the connection seat is provided with a mounting hole matching the connection shaft, and the tail assembly is connected to the connection shaft through the connection shaft.
- the connecting seat can be detachably connected.
- a self-locking part is arranged on the tail casing, and after the dial is turned to an appropriate position during installation, the dead bolt of the self-locking part is inserted into the slot of the dial to realize the tail making The locking between the casing and the dial, the dial cannot move in the circumferential direction under the locking of the self-locking parts, thus realizing the locking of the axial sliding of the connecting shaft. If the fabric deviates at this time, The outer friction between the fabric and the dial cannot drive the dial to rotate, which ensures the connection between the tail assembly and the connecting seat, thereby ensuring the safety of the roller blind;
- Fig. 1 is the overall structure schematic diagram of the tail making assembly of embodiment 1 of the present invention
- Fig. 2 is a schematic diagram of the internal structure of the tail assembly of Embodiment 1 of the present invention.
- Fig. 3 is a schematic structural view of the tail casing and telescopic parts of Embodiment 1 of the present invention.
- Fig. 4 is a structural schematic diagram of a dial according to Embodiment 1 of the present invention.
- Fig. 5 is a schematic side view of the dial according to Embodiment 1 of the present invention.
- Fig. 6 is a structural schematic diagram of a roller blind connection structure according to Embodiment 2 of the present invention.
- a roller blind balance self-locking tail assembly includes a dial 23, a telescopic part 22, a compression spring 26, a tail housing 25 and a self-locking part 27, and the dial 23 is arranged on the tail housing 25
- One end of the telescopic part 22 is slidably connected to the inner side of the system tail housing 25, and one end of the telescopic part 22 passes through the dial 23, and one end of the telescopic part 22 is also provided with a connecting shaft 21, and the stage clip 26 is located in the system tail housing 25, One end of stage clip 26 is against telescopic part 22;
- the telescopic part 22 drives the connecting shaft 21 to slide axially;
- the self-locking part 27 is movably connected to the tail casing 25. At least one slot 2302 is provided on the outside of the dial 23, and the self-locking part 27 is provided with a dead bolt 2702 matching the slot 2302.
- one end of the tail housing 25 is provided with an outwardly extending annular mounting portion 2501, the annular mounting portion 2501 is provided with a boss 2503, and one end of the self-locking member 27 is provided with a matching hole 2701, and the matching hole 2701 cooperates with the boss 2503; the other end of the self-locking part 27 is provided with a lock 2703, and the ring mounting part 2501 is provided with a buckle 2504 matching with the lock 2703; the ring mounting part 2501 is also provided with a limiting part 2505, the lock The outer side of the tongue 2702 is slidingly fitted with the limiting part 2505 .
- the boss 2503 on the annular mounting part 2501 By setting the boss 2503 on the annular mounting part 2501, it is used to correspond to the matching hole 2701 on the self-locking part 27, so that the self-locking part 27 is movably connected on the tail casing 25, and the self-locking part 27 can use the boss 2503 as an axis for rotation activities.
- the buckle 2504 is provided on the ring mounting part 2501 to correspond to the buckle 2703 on the self-locking part 27. When the dial 23 is locked, the locking tongue 2702 on the self-locking part 27 corresponds to the slot 2302 on the dial 23.
- the lock 2703 corresponds to the buckle 2504, so that when the dial 23 is locked, the self-locking part 27 is fastened to the tail casing 25, which plays a role in fixing the self-locking part 27, and avoids the occurrence of fabric deviation and self-locking Part 27 breaks away from the situation of dial 23, has guaranteed the safe operation of roller blind.
- a stopper 2505 is provided on the ring-shaped mounting part 2501 . During the movement of the self-locking part 27 , the outer side of the lock tongue 2702 slides with the stopper 2505 , thereby guiding and positioning the movement of the self-locking part 27 .
- the dial 23 includes an adjusting disc 2301 and a first positioning tube 2304, the adjusting disc 2301 is arranged at one end of the first positioning tube 2304, and the first positioning tube 2304 is against the telescopic member 22;
- the end face of the first positioning tube 2304 includes a first outer bevel, a second outer bevel and a third outer bevel whose distance from the dial 23 decreases successively.
- One end of the first outer bevel is provided with a first outer platform, and the first outer bevel
- a second outer platform surface is provided between the inclined surface and the second outer inclined surface
- a third outer platform surface is provided between the second outer inclined surface and the third outer inclined surface
- a fourth outer platform surface is provided at the other end of the third outer inclined surface.
- the first outer platform surface, the first outer inclined surface, the second outer platform surface, the second outer inclined surface, the third outer platform surface, the third outer inclined surface and the fourth outer platform surface are sequentially connected to form a stepped shape.
- the supporting force provided by the platform surface, the second outer platform surface, the third outer platform surface or the fourth outer platform surface is equal in magnitude and opposite to the spring provided by the compression spring 26, thereby ensuring that the telescopic member 22 is in contact with the first outer platform at this time.
- the telescopic part 22 will not slide axially, so that the extension length of the connecting shaft 21 can be adjusted in three stages, thereby facilitating the adjustment of the connection
- the number of outer slopes can be multiple, so that the extension length of the connecting shaft 21 can be adjusted in multiple stages.
- the dial 23 further includes a second positioning tube 2305, the second positioning tube 2305 is arranged on the inner side of the first positioning tube 2304, and both the first positioning tube 2304 and the second positioning tube 2305 are against the telescopic component 22;
- the end face of the second positioning tube 2305 comprises a first inner bevel, a second inner bevel and a third inner bevel which are successively reduced in distance from the thumb wheel 23.
- One end of the first inner bevel is provided with a first inner platform, and the first inner bevel is arranged on the first inner bevel.
- a second inner platform surface is provided between the inclined surface and the second inner inclined surface, a third inner platform surface is provided between the second inner inclined surface and the third inner inclined surface, and a fourth inner platform surface is provided at the other end of the third inner inclined surface.
- the first inner platform surface, the first inner inclined surface, the second inner platform surface, the second inner inclined surface, the third inner platform surface, the third inner inclined surface and the fourth inner platform surface are sequentially connected to form a stepped shape, the first inner inclined surface and The first outer bevel, the second inner bevel and the second outer bevel, and the third inner bevel and the third outer bevel are left-right symmetrical.
- the telescopic part 22 fits with the first positioning tube 2304 and the second positioning tube 2305 at the same time, so that there are two symmetrical contact points between the telescopic part 22 and the thumbwheel 23, so that the compression spring 26 provides the telescopic part 22 with
- the elastic force is decomposed into two parallel spring forces, which increases the contact area between the telescopic part 22 and the dial 23, and ensures that the mandrel 2206, the dial 23 and the end cap move coaxially, so that the dial 23 expands and contracts when it rotates
- the movement of the component 22 is more stable, avoiding the bouncing phenomenon of the reel.
- the telescopic part 22 includes a mandrel 2206 and a sliding cylinder 2204, the sliding cylinder 2204 is arranged on the outside of the mandrel 2206, the connecting shaft 21 is interference-connected to one end of the mandrel 2206, and the outside of the connecting shaft 21 is also provided with a gear 2203 , There is a matching gap 2207 between the sliding cylinder 2204 and the mandrel 2206, the outer side of the mandrel 2206 is provided with a first abutting block 2201, the inner side of the sliding cylinder 2204 is provided with a second abutting block 2202, the first abutting block 2201 The second abutting block 2202 abuts against the end surface of the second positioning tube 2305 and the end surface of the first positioning tube 2304 respectively.
- the fitting gap is set so that both the first positioning tube 2304 and the second positioning tube 2305 can extend into between the mandrel 2206 and the sliding cylinder 2204 through the fitting gap, so as to be in contact with the second abutting block 2202 and the first abutting block respectively.
- 2201 offset each other, and when the dial 23 is turned, the mandrel 2206 moves axially; the first abutting block 2201 and the second abutting block 2202 are respectively arranged on the outside of the shaft core and the inside of the sliding tube 2204, avoiding the movement of the dial 2206. 23 During the rotation, the first abutting block 2201 touches the first connecting pipe, and the second abutting block 2202 touches the second connecting pipe.
- the dial 23 also includes a positioning platform, the positioning platform is located at one end of the first positioning tube 2304, and the outside of the positioning platform is provided with four draw-in slots 2302, and the four draw-in slots 2302 are respectively located on the first outer plane platform, the second The outer sides of the outer plane platform, the third outer plane platform and the fourth outer plane platform.
- the number of slots 2302 is set to be the same as the number of outer plane platforms, so that when the dial 23 rotates to the point where the second abutting block 2202 and the first outer plane platform, the second outer plane platform, the third outer plane platform or the fourth outer plane platform When the tables are attached, the self-locking part 27 is rotated to correspond to the corresponding slot 2302, and the locking of the dial wheel 23 can be realized, which is convenient for installation.
- pin 24 is also included.
- the outer side of system tail housing 25 is provided with limit hole 2507, and the outside of positioning platform is also provided with limit chute 2303, and one end of pin 24 passes through limit hole 2507 and is connected with limit The bit chute 2303 is slidingly connected.
- the pin 24 includes a tightly fitting part 2401 and a rivet part arranged up and down. , the tightly fitting part 2401 corresponds to the limiting hole 2507, the rivet part is slidingly connected with the limiting chute 2303, and the diameter of the tight fitting part 2401 is larger than that of the rivet part.
- the inner side of the tail housing 25 is provided with a plurality of sliding blocks 2502
- the outer side of the sliding cylinder 2204 is provided with a plurality of axial sliding grooves 2205
- the sliding blocks 2502 and the axial sliding grooves 2205 are slidingly matched.
- the bottom of the sliding cylinder 2204 is provided with a spring limiting hole 2507 , one end of the compression spring 26 corresponds to the spring limiting hole 2507 , and the other end of the compression spring 26 abuts against the other end of the tail housing 25 .
- the spring limiting hole 2507 is provided to position the compression spring 26 .
- a roller blind connection structure referring to accompanying drawing 6, includes a tail assembly 2 and a connection seat 1, the connection seat 1 is provided with a mounting hole 1001 matching the connection shaft 21, and the tail assembly 2 is connected to the connection seat through the connection shaft 21 1 detachable connection.
- the tail assembly 2 By installing the tail assembly 2 on both ends of the roller blind reel, and installing the connection seat 1 on the installation position, the tail assembly 2 can be detachably connected with the connection seat 1 through the connection shaft 21, thereby realizing the installation of the roller shutter reel. loading and unloading.
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- Architecture (AREA)
- Civil Engineering (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
本发明公开了一种卷帘平衡自锁制尾组件，包括拨轮、伸缩部件、压簧、制尾外壳和自锁件，拨轮设在制尾外壳的一端，伸缩部件滑动连接于制尾外壳的内侧，伸缩部件的一端穿过拨轮，伸缩部件的一端还设有连接轴，压簧设在制尾外壳内，压簧的一端与伸缩部件相抵；自锁件活动连接在制尾外壳上，拨轮的外侧设有至少一个卡槽，自锁件上设有与卡槽相匹配的锁舌。本发明通过制尾外壳上设置自锁件，安装时转动拨轮至适当位置后，使自锁件的锁舌插在拨轮的卡槽中，实现制尾外壳与拨轮之间的锁紧，在自锁件的锁紧下拨轮无法作周向活动，由此实现了对连接轴轴向滑动的锁紧。
Description
本发明涉及窗饰技术领域，尤其涉及一种卷帘平衡自锁制尾组件及连接结构。
回弹式制尾产品有着安装及拆卸方便等特点，因此被广泛应用于办公室卷帘的安装中。但现有的回弹式制尾缺少自锁结构，当发生面料跑偏的情况时，面料与拨轮的外侧摩擦带动拨轮转动，导致卷帘与连接座分离而掉落，由此存在严重的安全隐患；另外，卷轴在旋转时会发生跳动，转动不同心，影响产品的正常使用。
发明内容
本发明的目的在于提出一种卷帘平衡自锁制尾组件及连接结构，以解决上述背景技术中的一个或多个技术问题。
为达此目的，本发明采用以下技术方案：
一种卷帘平衡自锁制尾组件，包括拨轮、伸缩部件、压簧、制尾外壳和自锁件，所述拨轮设在所述制尾外壳的一端，所述伸缩部件滑动连接于所述制尾外壳的内侧，所述伸缩部件的一端穿过所述拨轮，所述伸缩部件的一端还设有连接轴，所述压簧设在所述制尾外壳内，所述压簧的一端与所述伸缩部件相抵；
转动所述拨轮时，所述伸缩部件带动所述连接轴作轴向滑动；
所述自锁件活动连接在所述制尾外壳上，所述拨轮的外侧设有至少一个卡槽，所述自锁件上设有与所述卡槽相匹配的锁舌。
优选的，所述制尾外壳的一端设有向外延伸的环形安装部，所述环形安装部上设有凸台，所述自锁件的一端开设有配合孔，所述配合孔与所述凸台配合； 所述自锁件的另一端设有锁扣，所述环形安装部上设有与所述锁扣匹配的卡扣；所述环形安装部上还设有限位部，所述锁舌的外侧与所述限位部滑动配合。
优选的，所述拨轮包括调节盘和第一定位管，所述调节盘设在所述第一定位管的一端，所述第一定位管与所述伸缩部件相抵；
所述第一定位管的端面包括与所述拨轮的距离依次减小的多个外斜面和多个外平台面，所述外平台面设在相邻设置的两个所述外斜面之间，多个所述外斜面及多个所述外平台面依次连接并形成阶梯状；
优选的，所述拨轮还包括第二定位管，所述第二定位管设在所述第一定位管的内侧，所述第一定位管和所述第二定位管均与所述伸缩部件相抵；
所述第二定位管的端面包括与所述拨轮的距离依次减小的多个内斜面和多个内平台面，所述内平台面设在相邻设置的两个所述内斜面之间，多个所述内斜面及多个所述内平台面依次连接并形成阶梯状；与所述拨轮的距离相同的外斜面和内斜面左右对称设置。
优选的，所述伸缩部件包括芯轴和滑筒，所述滑筒设在所述芯轴的外侧，所述连接轴设在所述芯轴的一端，所述连接轴的外侧还设有齿轮，所述滑筒与所述芯轴之间设有配合缝隙，所述芯轴的外侧设有第一抵接块，所述滑筒的内侧设有第二抵接块，所述第一抵接块和所述第二抵接块分别与所述第二定位管的端面及所述第一定位管的端面相抵。
优选的，所述拨轮还包括定位台，所述定位台设在所述第一定位管的一端，所述定位台的外侧设有多个所述卡槽，多个所述卡槽分别位于多个所述外平面台的外侧。
优选的，还包括销钉，所述制尾外壳的外侧设有限位孔，所述定位台的外侧还设有限位滑槽，所述销钉的一端穿过所述限位孔并与所述限位滑槽滑动连 接。
优选的，所述制尾外壳的内侧设有多个滑块，所述滑筒的外侧开设有多个轴向滑槽，所述滑块与所述轴向滑槽滑动配合。
优选的，所述滑筒的底部开设有弹簧限位孔，所述压簧的一端与所述弹簧限位孔对应，所述压簧的另一端与所述制尾外壳的另一端相抵。
本发明还提出一种卷帘连接结构，包括制尾组件和连接座，所述连接座上开设有与所述连接轴相匹配的安装孔，所述制尾组件通过所述连接轴与所述连接座可拆卸连接。
本发明的有益效果为：1.本发明通过制尾外壳上设置自锁件，安装时转动拨轮至适当位置后，使自锁件的锁舌插在拨轮的卡槽中，实现制尾外壳与拨轮之间的锁紧，在自锁件的锁紧下拨轮无法作周向活动，由此实现了对连接轴轴向滑动的锁紧，若此时发生面料跑偏的情况，面料与拨轮的外侧摩擦也无法带动拨轮转动，保证了制尾组件与连接座之间的连接，由此保证了卷帘使用的安全性；
2.通过设置第一定位管和第二定位管，使得芯轴与拨轮之间具有两个对称的接触点，从而将压簧对芯轴提供的弹力分解成两个平衡力，保证芯轴、拨轮、制尾外壳的同轴运动，有效解决了现有卷轴在旋转时会发生跳动，转动不同心等问题。
附图对本发明做进一步说明，但附图中的内容不构成对本发明的任何限制。
图1是本发明实施例1的制尾组件的整体结构示意图；
图2是本发明实施例1的制尾组件的内部结构示意图；
图3是本发明实施例1的制尾外壳与伸缩部件的结构示意图；
图4是本发明实施例1的拨轮的结构示意图；
图5是本发明实施例1的拨轮的侧视示意图；
图6是本发明实施例2的卷帘连接结构的结构示意图。
其中：23、拨轮；22、伸缩部件；26、压簧；25、制尾外壳；27、自锁件；21、连接轴；2702、锁舌；2302、卡槽；2501、环形安装部；2503、凸台；2701、配合孔；2703、锁扣；2504、卡扣；2505、限位部；2301、调节盘；2304、第一定位管；2305、第二定位管；2206、芯轴；2204、滑筒；2203、齿轮；2207、配合缝隙；2201、第一抵接块；2202、第二抵接块；24、销钉；2507、限位孔；2303、限位滑槽；2502、滑块；2205、轴向滑槽；1、连接座；1001、安装孔；2、制尾组件；2401、紧配部；2402、铆钉部。
下面结合附图并通过具体实施方式来进一步说明本发明的技术方案。
实施例1
一种卷帘平衡自锁制尾组件，参考附图1和2，包括拨轮23、伸缩部件22、压簧26、制尾外壳25和自锁件27，拨轮23设在制尾外壳25的一端，伸缩部件22滑动连接于制尾外壳25的内侧，伸缩部件22的一端穿过拨轮23，伸缩部件22的一端还设有连接轴21，压簧26设在制尾外壳25内，压簧26的一端与伸缩部件22相抵；
转动拨轮23时，伸缩部件22带动连接轴21作轴向滑动；
自锁件27活动连接在制尾外壳25上，拨轮23的外侧设有至少一个卡槽2302，自锁件27上设有与卡槽2302相匹配的锁舌2702。
优选的，参考附图3，制尾外壳25的一端设有向外延伸的环形安装部2501， 环形安装部2501上设有凸台2503，自锁件27的一端开设有配合孔2701，配合孔2701与凸台2503配合；自锁件27的另一端设有锁扣2703，环形安装部2501上设有与锁扣2703匹配的卡扣2504；环形安装部2501上还设有限位部2505，锁舌2702的外侧与限位部2505滑动配合。
通过在环形安装部2501上设置凸台2503，用于与自锁件27上的配合孔2701对应，从而自锁件27活动连接在制尾外壳25上，自锁件27可以凸台2503为轴作旋转活动。在环形安装部2501上设置卡扣2504用于与自锁件27上的锁扣2703对应，锁紧拨轮23时，自锁件27上的锁舌2702与拨轮23上的卡槽2302对应，同时锁扣2703与卡扣2504对应，使得锁紧拨轮23时自锁件27扣合于制尾外壳25上，对自锁件27起到了固定的作用，避免出现面料跑偏带动自锁件27脱离拨轮23的情况，保证了卷帘的安全运行。在环形安装部2501上设置限位部2505，在自锁件27活动的过程中，锁舌2702的外侧与限位部2505滑动配合，从而对自锁件27的活动起到了导向定位作用。
优选的，参考附图4，拨轮23包括调节盘2301和第一定位管2304，调节盘2301设在第一定位管2304的一端，第一定位管2304与伸缩部件22相抵；
第一定位管2304的端面包括与拨轮23的距离依次减小的第一外斜面、第二外斜面和第三外斜面，第一外斜面的一端设有第一外平台面，第一外斜面与第二外斜面之间设有第二外平台面、第二外斜面与第三外斜面之间设有第三外平台面，第三外斜面的另一端设有第四外平台面，第一外平台面、第一外斜面、第二外平台面、第二外斜面、第三外平台面、第三外斜面和第四外平台面依次连接并形成阶梯状。由此，通过设置在第一定位管2304上开设与拨轮23的距离依次减小的第一外斜面、第二外斜面和第三外斜面，使得转动拨轮23时，伸缩部件22在压簧26的作用下相应与第一外斜面、第二外斜面和第三外斜面贴 合，带动连接轴21作伸缩的轴向运动，通过设置第一外平台面、第二外平台面、第三外平台面和第四外平台面，使得转动拨轮23至伸缩部件22与第一外平台面、第二外平台面、第三外平台面或第四外平台面相抵时，第一外平台面、第二外平台面、第三外平台面或第四外平台面提供的支撑力与压簧26提供的弹簧大小相等、方向相反，从而保证此时伸缩部件22在与第一外平台面、第二外平台面、第三外平台面或第四外平台面相抵时，伸缩部件22不会作轴向滑动，使得连接轴21的伸出长度具有三级可调，从而便于调节连接轴21伸出的长度。在另外一些实施例中，外斜面的数量可以是多个，以使得连接轴21的伸出长度具有多级可调。
优选的，拨轮23还包括第二定位管2305，第二定位管2305设在第一定位管2304的内侧，第一定位管2304和第二定位管2305均与伸缩部件22相抵；
第二定位管2305的端面包括与拨轮23的距离依次减小的第一内斜面、第二内斜面和第三内斜面，第一内斜面的一端设有第一内平台面，第一内斜面与第二内斜面之间设有第二内平台面、第二内斜面与第三内斜面之间设有第三内平台面，第三内斜面的另一端设有第四内平台面，第一内平台面、第一内斜面、第二内平台面、第二内斜面、第三内平台面、第三内斜面和第四内平台面依次连接并形成阶梯状，第一内斜面与第一外斜面、第二内斜面与第二外斜面以及第三内斜面与第三外斜面均左右对称。由此，伸缩部件22同时与第一定位管2304和第二定位管2305相贴合，使得伸缩部件22与拨轮23之间具有两个对称的接触点，使得压簧26对伸缩部件22提供的弹力分解成两个平行的弹簧力，增大了伸缩部件22与拨轮23之间的接触面积，保证芯轴2206、拨轮23和制尾盖同轴运动，使得拨轮23转动时伸缩部件22的活动更稳定，避免出现卷轴跳动的现象。
优选的，述伸缩部件22包括芯轴2206和滑筒2204，滑筒2204设在芯轴2206的外侧，连接轴21过盈连接在芯轴2206的一端，连接轴21的外侧还设有齿轮2203，滑筒2204与芯轴2206之间设有配合缝隙2207，芯轴2206的外侧设有第一抵接块2201，滑筒2204的内侧设有第二抵接块2202，第一抵接块2201和第二抵接块2202分别与第二定位管2305的端面及第一定位管2304的端面相抵。由此，设置配合间隙使得第一定位管2304和第二定位管2305均可通过配合间隙伸进芯轴2206与滑筒2204之间，从而分别与第二抵接块2202和第一抵接块2201相抵，实现了转动拨轮23时，芯轴2206作轴向运动；第一抵接块2201和第二抵接块2202分别设在轴芯的外侧和滑筒2204的内侧，避免了拨轮23在转动的过程中第一抵接块2201与第一连接管、第二抵接块2202与第二连接管发生触碰。
优选的，拨轮23还包括定位台，定位台设在第一定位管2304的一端，定位台的外侧设有四个卡槽2302，四个卡槽2302分别位于第一外平面台、第二外平面台、第三外平面台和第四外平面台的外侧。设置卡槽2302的数量与外平面台的数量相同，使得当拨轮23转动至第二抵接块2202与第一外平面台、第二外平面台、第三外平面台或第四外平面台贴合时，将自锁件27转动至与相应的卡槽2302对应，即可实现对拨轮23的锁紧，便于安装。
优选的，还包括销钉24，参考附图5，制尾外壳25的外侧设有限位孔2507，定位台的外侧还设有限位滑槽2303，销钉24的一端穿过限位孔2507并与限位滑槽2303滑动连接。由此，通过设置销钉24穿过制尾外壳25，实现了拨轮23与制尾外壳25之间的轴向连接，结构简单，装配方便；销钉24包括上下设置的紧配部2401和铆钉部，紧配部2401与限位孔2507对应，铆钉部与限位滑槽2303滑动连接，紧配部2401的直径大于铆钉部的直径。
优选的，制尾外壳25的内侧设有多个滑块2502，滑筒2204的外侧开设有多个轴向滑槽2205，滑块2502与轴向滑槽2205滑动配合。由此，通过设置滑块2502与轴向滑槽2205的滑动配合，避免了滑筒2204在滑动过程中作周向活动，保证了芯轴2206与第一连接管和第二连接管之间的配合。
优选的，滑筒2204的底部开设有弹簧限位孔2507，压簧26的一端与弹簧限位孔2507对应，压簧26的另一端与制尾外壳25的另一端相抵。设置弹簧限位孔2507对压簧26起到定位作用。
实施例2
一种卷帘连接结构，参考附图6，包括制尾组件2和连接座1，连接座1上开设有与连接轴21相匹配的安装孔1001，制尾组件2通过连接轴21与连接座1可拆卸连接。通过将制尾组件2安装在卷帘卷轴的两端，将连接座1安装在安装位置上，制尾组件2通过连接轴21可与连接座1可拆卸连接，从而实现了将卷帘卷轴的装卸。
以上结合具体实施例描述了本发明的技术原理。这些描述只是为了解释本发明的原理，而不能以任何方式解释为对本发明保护范围的限制。基于此处的解释，本领域的技术人员不需要付出创造性的劳动即可联想到本发明的其它具体实施方式，这些方式都将落入本发明的保护范围之内。
Claims (10)
- 一种卷帘平衡自锁制尾组件，其特征在于，包括拨轮、伸缩部件、压簧、制尾外壳和自锁件，所述拨轮设在所述制尾外壳的一端，所述伸缩部件滑动连接于所述制尾外壳的内侧，所述伸缩部件的一端穿过所述拨轮，所述伸缩部件的一端还设有连接轴，所述压簧设在所述制尾外壳内，所述压簧的一端与所述伸缩部件相抵；转动所述拨轮时，所述伸缩部件带动所述连接轴作轴向滑动；所述自锁件活动连接在所述制尾外壳上，所述拨轮的外侧设有至少一个卡槽，所述自锁件上设有与所述卡槽相匹配的锁舌。
- 根据权利要求1所述的一种卷帘平衡自锁制尾组件，其特征在于，所述制尾外壳的一端设有向外延伸的环形安装部，所述环形安装部上设有凸台，所述自锁件的一端开设有配合孔，所述配合孔与所述凸台配合；所述自锁件的另一端设有锁扣，所述环形安装部上设有与所述锁扣匹配的卡扣；所述环形安装部上还设有限位部，所述锁舌的外侧与所述限位部滑动配合。
- 根据权利要求2所述的一种卷帘平衡自锁制尾组件，其特征在于，所述拨轮包括调节盘和第一定位管，所述调节盘设在所述第一定位管的一端，所述第一定位管与所述伸缩部件相抵；所述第一定位管的端面包括与所述拨轮的距离依次减小的多个外斜面和多个外平台面，所述外平台面设在相邻设置的两个所述外斜面之间，多个所述外斜面及多个所述外平台面依次连接并形成阶梯状。
- 根据权利要求3所述的一种卷帘平衡自锁制尾组件，其特征在于，所述拨轮还包括第二定位管，所述第二定位管设在所述第一定位管的内侧，所述第一定位管和所述第二定位管均与所述伸缩部件相抵；所述第二定位管的端面包括与所述拨轮的距离依次减小的多个内斜面和多 个内平台面，所述内平台面设在相邻设置的两个所述内斜面之间，多个所述内斜面及多个所述内平台面依次连接并形成阶梯状；与所述拨轮的距离相同的外斜面和内斜面左右对称设置。
- 根据权利要求4所述的一种卷帘平衡自锁制尾组件，其特征在于，所述伸缩部件包括芯轴和滑筒，所述滑筒设在所述芯轴的外侧，所述连接轴设在所述芯轴的一端，所述连接轴的外侧还设有齿轮，所述滑筒与所述芯轴之间设有配合缝隙，所述芯轴的外侧设有第一抵接块，所述滑筒的内侧设有第二抵接块，所述第一抵接块和所述第二抵接块分别与所述第二定位管的端面及所述第一定位管的端面相抵。
- 根据权利要求3所述的一种卷帘平衡自锁制尾组件，其特征在于，所述拨轮还包括定位台，所述定位台设在所述第一定位管的一端，所述定位台的外侧设有多个所述卡槽，多个所述卡槽分别位于多个所述外平面台的外侧。
- 根据权利要求6所述的一种卷帘平衡自锁制尾组件，其特征在于，还包括销钉，所述制尾外壳的外侧设有限位孔，所述定位台的外侧还设有限位滑槽，所述销钉的一端穿过所述限位孔并与所述限位滑槽滑动连接。
- 根据权利要求5所述的一种卷帘平衡自锁制尾组件，其特征在于，所述制尾外壳的内侧设有多个滑块，所述滑筒的外侧开设有多个轴向滑槽，所述滑块与所述轴向滑槽滑动配合。
- 根据权利要求5所述的一种卷帘平衡自锁制尾组件，其特征在于，所述滑筒的底部开设有弹簧限位孔，所述压簧的一端与所述弹簧限位孔对应，所述压簧的另一端与所述制尾外壳的另一端相抵。
- 一种卷帘连接结构，其特征在于，包括如权利要求1-9任一项所述的制尾组件和连接座，所述连接座上开设有与所述连接轴相匹配的安装孔，所述 制尾组件通过所述连接轴与所述连接座可拆卸连接。
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