WO2019232897A1 - 一种大角度缓冲铰链 - Google Patents
一种大角度缓冲铰链 Download PDFInfo
- Publication number
- WO2019232897A1 WO2019232897A1 PCT/CN2018/096624 CN2018096624W WO2019232897A1 WO 2019232897 A1 WO2019232897 A1 WO 2019232897A1 CN 2018096624 W CN2018096624 W CN 2018096624W WO 2019232897 A1 WO2019232897 A1 WO 2019232897A1
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- WIPO (PCT)
- Prior art keywords
- hinged
- hinge
- buffer
- spring
- long rod
- Prior art date
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/10—Devices for preventing movement between relatively-movable hinge parts
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/06—Hinges with pins with two or more pins
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/20—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
Definitions
- the present application relates to a buffer hinge, and more particularly to a large-angle buffer hinge.
- the buffer hinge relies on a brand-new technology to adapt to the closing speed of the door. It effectively avoids the collision of the cabinet door with the restoring force received during the opening and closing process of the furniture product.
- the door can also be closed gently with a strong closing, ensuring the home. Quiet and comfortable environment, so often used in modern furniture.
- the buffer hinge is usually provided with a buffer structure composed of a buffer and other connecting members. The effect of closing the door is achieved by the buffer structure.
- the existing opening and closing angle of the buffer hinge is limited by the hinge structure, and the opening angle of the hinge is small. Sometimes the hinge needs to be opened at a large angle in use, and the existing structure cannot meet the actual use requirements.
- the object of the present application is to provide a large-angle cushioning hinge with good cushioning effect.
- a high-angle buffer hinge includes a hinge cup, a bumper, and a hinge arm, and further includes a short rod, a long rod, and a triangular connecting piece.
- the hinge cup is hinged to one end of the short rod, and the other end of the short rod is connected to the long rod.
- One end of the buffer is hinged, the other end of the long rod is hinged with a hinge arm, the buffer is disposed in the long rod and the end of the buffer is hinged with the short rod and the long rod together, and the telescopic end of the buffer is connected with the triangle connector Hinged, the triangle connector is provided with elastic pressing members and pulleys hinged to the triangle connector, left and right sides of the triangle connector are provided with guide grooves, and the guide groove is provided with two first ends fixed on the long rod.
- a rivet the end of the elastic pressing member is pressed against the first rivet, a small cam is arranged in the hinge arm, and the pulley slides on the surface of the small cam.
- the surface shape of the small cam is wavy, and the bottom of the triangular connecting piece is arc-shaped to match the surface of the small cam.
- both the end and the telescopic end of the buffer are provided with an opening buckle, the end of the buffer is fastened to the rivet fixed to the long rod through the opening buckle, and the telescopic end of the buffer is fixed to the fixed through the opening buckle.
- the end of the buffer is fastened to the rivet fixed to the long rod through the opening buckle, and the telescopic end of the buffer is fixed to the fixed through the opening buckle.
- the elastic pressing member is a torsion spring.
- the guide groove is a U-shaped groove.
- it further comprises a beam, the hinge cup is hinged to the front end of the beam, the middle section of the beam is hinged to the middle section of the long rod, the beam is provided with a spring sleeve, and the spring sleeve is provided with a compressed spring, The ends of the spring sleeve and the spring are against the eccentric wheel, the eccentric wheel is hinged with the connecting member, one end of the connecting member is hinged with the end of the beam, and the other end of the connecting member is hinged with the hinge arm.
- the spring is compressed, it is loaded into the spring sleeve and the front end of the spring is positioned with a second rivet, the second rivet is fixed on the beam while supporting the front section of the spring sleeve, and the bottom of the rear section of the spring sleeve is provided There is a third rivet fixed to the girder.
- it further comprises a base and a dismounting frame nested into the inner wall of the hinge arm.
- a first barb is provided at the bottom of the front end of the disassembly frame, and a first groove matching the first barb is provided at the bottom of the front end of the base.
- the upper end of the disassembly frame is hinged to the upper end of the iron hook and a small torsion spring.
- the small torsion spring is installed in the iron hook.
- a lower barb is provided at the lower end of the iron hook. The second barb cooperates with the second groove.
- a dial is provided on the outside of the iron hook, and the dial, the iron hook and the small torsion spring are hinged with the end of the disassembly frame together.
- the present application has a compact structure, a buffer structure is easy to start, the movement speed is uniform during buffering, the process of opening and closing the hinge is relatively stable, and a good buffering effect is achieved.
- the hinge can be opened at a wide angle, which can be used more widely.
- the opening and closing angle is large, and the opening and closing angle can reach 155 degrees, which is suitable for different use cases.
- the connection method of the opening buckle and the buckle on the rivet at the end and the telescopic end of the buffer the flexible and rapid conversion of the buffer hinge and the ordinary hinge is realized, the assembly is convenient, and the work efficiency is improved.
- FIG. 1 is a schematic diagram of the overall structure of a closed state of the present application
- FIG. 2 is a schematic diagram of the overall structure of an open state of the present application
- FIG. 3 is a schematic diagram of an exploded structure of the present application.
- FIG. 6 is a schematic diagram of a mounting structure of a disassembly rack and a base of the present application
- FIG. 7 is a schematic diagram of the cooperation structure of the triangular connector and the small cam in the opened state shown in FIG. 2; FIG.
- FIG. 8 is an enlarged view of the structure at C in FIG. 7.
- FIG. 9 is a schematic diagram of the cooperation structure of the triangular connecting member and the small cam in the closed state shown in FIG. 1; FIG.
- FIG. 10 is an enlarged view of the structure at D in FIG. 9.
- the high-angle buffer hinge described in the present application mainly includes a hinge cup 1, a buffer 2, a hinge arm 3, a base 4, a short rod 5, a long rod 6, a beam 7, and a triangular connecting piece 8. Wait.
- the hinge cup 1 and the short rod 5 are hinged by rivets, the other end of the short rod 5 is hinged with one end of the long rod 6 by rivets, the other end of the long rod 6 is hinged by rivets with the hinge arm 3, and the buffer 2 is provided at the long portion.
- the inside of the rod 6 and the end of the bumper 2 are articulated with the short rod 5 and the long rod 6, that is, hinged by the rivets of the short rod 5 and the long rod 6.
- the telescopic end of the buffer 2 and the left and right sides of the triangular connector 8 Side hinged.
- the triangular connecting piece 8 is provided with elastic pressing members 9 and pulleys 10 hinged to the left and right sides thereof.
- the left and right sides of the triangular connecting piece 8 are provided with guide grooves 81.
- the guide groove 81 is internally provided with two ends fixed on the long rod 6.
- the first rivet 11, the guide groove 81 and the first rivet 11 limit the movement trajectory of the triangular connecting member 8 to ensure that the buffer 2 articulated with the triangular connecting member 8 performs a telescopic movement according to the moving trajectory.
- a small cam 12 is fixed in the hinge arm 3 by rivets, the pulley 10 slides on the surface of the small cam 12, and the bumper 2 is pushed against the bumper 2 by the triangular connecting member 8, which causes the bumper 2 to perform a compression movement when the hinge is closed, thereby generating a buffer. ;
- the end of the elastic pressing member 9 is pressed against the first rivet 11 to ensure that the pulley 10 always fits on the surface of the small cam 12 and slides.
- the surface shape of the small cam 12 is set to be wavy, and the bottom of the triangular connecting member 8 is arc-shaped to match the surface of the small cam 12.
- the elastic pressing member 9 is a torsion spring
- the guide groove 81 is a U-shaped groove.
- the end and the retractable end of the buffer 2 are provided with an opening buckle 21, and the end of the buffer 2 is buckled on the rivet fixed to the long rod 6 through the opening buckle 21, and the expansion and contraction of the buffer 2
- the end is buckled on the rivet fixed to the triangular connecting piece 8 through the opening buckle 21, and the buffer hinge is converted into a normal hinge without a buffer function after the buffer 2 is removed.
- the flexible buckle of the buffer hinge and the ordinary hinge can be realized through the opening buckle 21.
- the front end of the hinge cup 1 and the girder 7 are hinged by rivets, and the middle section of the girder 7 and the middle section of the long rod 6 are hinged by rivets.
- the beam 7 is provided with a spring sleeve 13, the spring sleeve 13 is provided with a compressed spring 14, and the spring sleeve 13 The end of the spring 14 is against the eccentric wheel 15.
- the eccentric wheel 15 and the connecting member 16 are hinged by a pin.
- One end of the connecting member 16 is hinged by a pin with the end of the beam 7.
- the other end of the connecting member 16 and the hinge arm 3 are hinged by a rivet. .
- the spring 14 is compressed, it is loaded into the spring sleeve 13 and the front end of the spring 14 is positioned with a second rivet 17.
- the second rivet 17 is fixed on the beam 7 while supporting the front section of the spring sleeve 13 and the rear section of the spring sleeve 13.
- the bottom is provided with a third rivet 18 fixed on the girder 7.
- two springs 14 are provided, and the elastic force output is more stable.
- the hinge cup 1 pulls the beam 7 to move left and right
- the connecting piece 16 articulated with the beam 7 also swings left and right.
- the swing of the connecting piece 16 drives the eccentric 15 to rotate left or right, and the spring sleeve 13 is driven by the eccentric 15 Reduce or give space for the spring 14 to return.
- the spring 14's elastic force in turn generates a force on the girder 7, which in turn exerts this force on the long rod 6 hinged to it, and the long rod 6 acts on this buffer 2 again. So as to promote the opening and closing of the hinge.
- the hinge arm 3 is installed on the base 4.
- the present application also includes a disassembly frame 19 nested in the inner wall of the hinge arm 3, as shown in FIG.
- the hook 191 has a first groove 41 matching the first inverted hook 191 on the bottom surface of the front end of the base 4.
- the end of the disassembly frame 19 is hinged to the upper end of the iron hook 20 and the small torsion spring 21, and the small torsion spring 21 is installed in the iron hook 20.
- the lower end of the iron hook 20 is provided with a second inverted hook 201, and the end of the base 4 is provided with the second The second groove 42 matched with the barb 201, and the small torsion spring 21 keeps the second barb 201 of the iron hook 20 and the second groove 42 on the base 4 in a locked state, and at the same time enables the disassembly rack 19 and The operation of combining and separating the base 4 is more convenient.
- a dial 16 is provided on the outside of the iron hook 14.
- the material of the dial 16 may be preferably plastic.
- the dial 16 and the iron hook 14 and the small torsion spring 15 are hinged to the end of the dismounting frame 13 through pins.
- the first barb 131 is snapped on the first groove
- the second barb 141 is snapped on the second groove 71
- the combination and assembly of the base 7 and the disassembly frame 13 is completed.
- the buckle completes the removal of the base 7 and the removal frame 13.
- the hinge cup 1 is fixed on the door panel
- the base 4 is fixed on the cabinet or the door frame, and other parts are assembled according to the connection relationship of this application.
- the hinge cup 1 pulls the short rod 5 and the girder 7, respectively.
- the short rod 5 drives the long rod 6 and the bumper 2 to which it is hinged.
- the bumper 2 pulls the triangular connector 8 so that the pulley 10 is on the surface of the small cam 12. Sliding forward, the buffer 2 is stretched at this time; the beam 7 drives the connecting piece 16 to swing forward, the eccentric wheel 15 rotates forward, and the spring 14 is compressed; in this process, the hinge cup 1 is pulled down, and other components
- the cooperation is stretched, swinged and rotated as much as possible, so that the door panel can be opened at the maximum angle, as shown in Figs. 2, 7 and 8.
- the hinge cup 1 When closing the door panel, the hinge cup 1 is given a backward closing pressure, which acts on the short rod 5 and the beam 7.
- the short rod 5 drives the long rod 6 and the bumper 2 which are hinged to the back, and the bumper 2 pushes the triangular connector.
- the pulley 10 slide backward on the surface of the small cam 12, and the pulley 10 and the small cam 12 generate a bump against the buffer 2 through the triangular connecting member 8, and urge the buffer 2 to perform a compression movement when the hinge is closed, thereby generating a buffer.
- the above technical features such as the buffer 2, the triangular connection 8, the pulley 10, and the small cam 12 together form the buffer structure of the present application, which is convenient for starting the buffer, and the process of opening and closing the hinge is relatively stable, ensuring a good buffer effect.
- the combination of the short rod 5, long rod 6, girder 7 and connector 16 makes the hinge openable at a larger angle, as shown in Figure 4, where line A is a straight line parallel to the mounting surface of the base 4, and line B It is a straight line parallel to the installation surface of the hinge cup 1.
- line A is a straight line parallel to the mounting surface of the base 4
- line B It is a straight line parallel to the installation surface of the hinge cup 1.
- the installation angle of the installation surface of the hinge cup 1 and the base 4 used to install the cabinet or the door frame is 155 degrees, so that the hinge can reach 155 degrees. Can be applied to a variety of applications, and the scope of application is wider.
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Abstract
一种大角度缓冲铰链,主要包括铰杯(1)、缓冲器(2)和铰臂(3),还包括短杆(5)、长杆(6)和三角连接件(8),所述铰杯(1)与短杆(5)的一端铰接,所述短杆(5)的另一端与长杆(6)的一端铰接,所述长杆(6)的另一端与铰臂(3)铰接,所述缓冲器(2)设置在长杆(6)内并且缓冲器(2)的末端与短杆(5)、长杆(6)共同铰接,所述缓冲器(2)的伸缩端与三角连接件(8)铰接,所述三角连接件(8)内设有与其铰接的弹性紧压件(9)和滑轮(10),所述三角连接件(8)的左右两侧设有导轨槽(81),所述导轨槽(81)内架设有两头固定在长杆(6)上的第一铆钉(11),所述弹性紧压件(9)的末端转臂抵压在第一铆钉(11)上,所述铰臂(3)内设有小凸轮(12),所述滑轮(10)在小凸轮(12)的表面滑动。该铰链结构紧凑,开合角度大,开合角度能达到155度,适用于不同的使用情况。
Description
本申请申明享有2018年6月4日递交的申请号为CN 2018105611917、名称为“一种大角度缓冲铰链”和2018年6月4日递交的申请号为CN 2018208493439、名称为“一种大角度缓冲铰链”的中国专利申请的优先权,所述中国专利申请的整体内容以参考的方式结合在本申请中。
本申请涉及一种缓冲铰链,尤其涉及一种大角度缓冲铰链。
缓冲铰链依靠一种全新的技术来适应门的关闭速度,它有效避免了家具产品的柜门在开合过程中受到的回复力而与柜体发生碰撞,具有用力关门也能轻柔关闭、保证家居环境安静舒适的优点,因此在现代家具中经常使用到。缓冲铰链内通常设有由缓冲器和其他连接件组成的缓冲结构,关门缓冲的效果由缓冲结构来实现,现有的缓冲铰链开合角度受到铰链结构的限制,铰链打开的角度较小,实际使用中有时需要铰链打开较大角度,现有的结构不能满足实际使用需求。
发明内容
针对现有技术存在的不足之处,本申请的目的在于提供一种缓冲效果好的大角度缓冲铰链。
为实现上述目的,本申请的技术方案如下:
一种大角度缓冲铰链,包括铰杯、缓冲器和铰臂,还包括短杆、长杆和三角连接件,所述铰杯与短杆的一端铰接,所述短杆的另一端与长杆的一端铰接,所述长杆的另一端与 铰臂铰接,所述缓冲器设置在长杆内并且缓冲器的末端与短杆、长杆共同铰接,所述缓冲器的伸缩端与三角连接件铰接,所述三角连接件内设有与其铰接的弹性紧压件和滑轮,所述三角连接件的左右两侧设有导轨槽,所述导轨槽内架设有两头固定在长杆上的第一铆钉,所述弹性紧压件的末端抵压在第一铆钉上,所述铰臂内设有小凸轮,所述滑轮在小凸轮的表面滑动。
进一步地,所述小凸轮的表面形状为波浪形,所述三角连接件的底部为与小凸轮表面相配合的弧形。
进一步地,所述缓冲器的末端和伸缩端均设有开口扣,所述缓冲器的末端通过开口扣扣于固定在长杆的铆钉上,所述缓冲器的伸缩端通过开口扣扣于固定在三角连接件的铆钉上。
进一步地,所述弹性紧压件为扭簧。
进一步地,所述导轨槽为U形槽。
进一步地,还包括大梁,所述铰杯与大梁的前端铰接,所述大梁的中段与长杆的中段铰接,所述大梁内设有弹簧套,所述弹簧套内设有被压缩的弹簧,所述弹簧套和弹簧的末端顶于偏心轮上,所述偏心轮与连接件铰接,所述连接件的一端与大梁的末端铰接,所述连接件的另一端与铰臂铰接。
进一步地,所述弹簧被压缩后再装入弹簧套并以第二铆钉定位弹簧的前端,所述第二铆钉固定在大梁上同时承托弹簧套的前段,所述弹簧套的后段底部设有固定在大梁上的第三铆钉。
进一步地,所述弹簧设置两条。
进一步地,还包括底座和嵌套到铰臂内壁的拆卸架,所述拆卸架的前端底部设有第一倒勾,所述底座的前端底面设有与第一倒勾相配合的第一沟槽,所述拆卸架的末端铰接铁勾的上端和小扭簧,所述小扭簧安装在铁勾内,所述铁勾的下端设有第二倒勾,所述底座的末端设有与第二倒勾相配合的第二沟槽。
进一步地,所述铁勾的外面设置有拨扣,所述拨扣、铁勾以及小扭簧共同与拆卸架的末端铰接。
与现有技术相比,本申请结构紧凑,缓冲结构便于启动,缓冲时运动速度均匀,铰链开启和关闭的过程比较平稳,达到了良好的缓冲效果。铰链可打开的角度大,使用范围更广。开合角度大,开合角度能达到155度,适用于不同的使用情况。同时通过在缓冲器的末端和伸缩端设置开口扣、扣于铆钉上的连接方式,实现了缓冲铰链与普通铰链的灵活快速转换,装配方便,提高了工作效率。
图1是本申请关闭状态的整体结构示意图;
图2是本申请开启状态的整体结构示意图;
图3是本申请的分解结构示意图;
图4是本申请的剖面结构示意图;
图5是本申请的内部结构示意图;
图6是本申请的拆卸架与底座的安装结构示意图;
图7是图2所示开启状态下三角连接件与小凸轮的配合结构示意图;
图8是图7中C处的结构放大图。
图9是图1所示关闭状态下三角连接件与小凸轮的配合结构示意图;
图10是图9中D处的结构放大图。
图中:1-铰杯、2-缓冲器、21-开口扣、3-铰臂、4-底座、41-第一沟槽、42-第二沟槽、5-短杆、6-长杆、7-大梁、8-三角连接件、81-导轨槽、9-弹性紧压件、10-滑轮、11-第一铆钉、12-小凸轮、13-弹簧套、14-弹簧、15-偏心轮、16-连接件、17-第二铆钉、18-第三铆钉、19-拆卸架、191-第一倒勾、20-铁勾、201-第二倒勾、21-小扭簧、22-拨扣。
下面结合附图以及具体实施例对本申请作进一步的说明:
如图1~5所示,本申请所述的大角度缓冲铰链,主要包括铰杯1、缓冲器2、铰臂3、底座4、短杆5、长杆6、大梁7和三角连接件8等。
其中铰杯1与短杆5的一端通过铆钉铰接,短杆5的另一端与长杆6的一端通过铆钉铰接,长杆6的另一端与铰臂3通过铆钉铰接,缓冲器2设置在长杆6的内部并且缓冲器2的末端与短杆5、长杆6共同铰接,即通过短杆5和长杆6的铰接铆钉铰接起来,缓冲器2的伸缩端与三角连接件8的左右两侧铰接。三角连接件8内设有与其左右两侧铰接的弹性紧压件9和滑轮10,三角连接件8的左右两侧设有导轨槽81,导轨槽81内架设有两头固定在长杆6上的第一铆钉11,导轨槽81和第一铆钉11对三角连接件8的运动轨迹进行限位,保证与三角连接件8铰接的缓冲器2按此运动轨迹做伸缩运动。铰臂3内通过铆钉固定有小凸轮12,滑轮10在小凸轮12的表面滑动,通过三角连接件8对缓冲器2产生抵顶,促使缓冲器2在铰链关闭时做压缩运动,从而产生缓冲;弹性紧压件9的末端抵压在第一铆钉11上可保证滑轮10一直贴合在小凸轮12的表面上滑动。
为了让滑轮10在小凸轮12的表面匀速滑动、达到更优的缓冲效果,小凸轮12的表面形状设为波浪形,三角连接件8的底部为与小凸轮12表面相配合的弧形。
优选地,弹性紧压件9为扭簧,导轨槽81为U形槽。
为了方便缓冲器2的安装和拆卸,缓冲器2的末端和伸缩端均设有开口扣21,缓冲器2的末端通过开口扣21扣于固定在长杆6的铆钉上,缓冲器2的伸缩端通过开口扣21扣于固定在三角连接件8的铆钉上,拆卸缓冲器2后缓冲铰链转换为不带缓冲功能的普通铰链,通过开口扣21可实现缓冲铰链与普通铰链的灵活快速转换。
铰杯1与大梁7的前端通过铆钉铰接,大梁7的中段与长杆6的中段通过铆钉铰接,大梁7内设有弹簧套13,弹簧套13内设有被压缩的弹簧14,弹簧套13和弹簧14的末端顶于偏心轮15上,偏心轮15与连接件16通过销钉铰接,连接件16的一端通过销钉与大 梁7的末端铰接,连接件16的另一端与铰臂3通过铆钉铰接。具体的,弹簧14被压缩后再装入弹簧套13并以第二铆钉17定位弹簧14的前端,第二铆钉17固定在大梁7上同时承托弹簧套13的前段,弹簧套13的后段底部设有固定在大梁7上的第三铆钉18。优选的,弹簧14设置两条,弹力输出更稳定。当铰杯1拽动大梁7左右移动,与大梁7铰接的连接件16也跟随左右摆动,连接件16的摆动带动偏心轮15向左或向右旋转,在偏心轮15的带动下弹簧套13减少或给予弹簧14回复空间,弹簧14的弹力反过来对大梁7产生力,大梁7又将此力作用于与其铰接的长杆6上,长杆6又将此力作用于缓冲器2上,从而促使铰链的开合。
铰臂3安装在底座4上,为了方便铰链的安装和拆卸,本申请还包括嵌套到铰臂3内壁的拆卸架19,如图6所示,拆卸架19的前端底部设有第一倒勾191,底座4的前端底面设有与第一倒勾191相配合的第一沟槽41。拆卸架19的末端铰接铁勾20的上端和小扭簧21,小扭簧21安装在铁勾20内,铁勾20的下端设有第二倒勾201,底座4的末端设有与第二倒勾201相配合的第二沟槽42,小扭簧21使铁勾20的第二倒勾201与底座4上的第二沟槽42保持卡接扣合的状态,同时使拆卸架19和底座4组合和分离的操作更加便捷。为了方便手动操作,铁勾14的外面设置有拨扣16,拨扣16的材质可优选为塑料,拨扣16与铁勾14、小扭簧15共同通过销钉与拆卸架13的末端铰接。安装时,第一倒勾131卡扣在第一沟槽上,第二倒勾141卡扣在第二沟槽71,即完成底座7与拆卸架13的结合组装。拆卸时,手动拨动拨扣16,克服小扭簧21的弹力,使第二倒勾141松开对第二沟槽71卡扣,再使第一倒勾191脱离对第一沟槽41卡扣,即完成底座7与拆卸架13的拆卸。
安装时,将铰杯1固定在门板上,底座4固定在柜体或门框上,其他零件则按本申请的连接关系组装。
本申请的工作原理如下:
打开门板时,铰杯1分别拉拽短杆5和大梁7,短杆5带动与其铰接的长杆6和缓冲 器2,缓冲器2拉动三角连接件8,使滑轮10在小凸轮12的表面向前滑动,缓冲器2此时被拉伸;大梁7带动连接件16向前摆动,偏心轮15向前旋转,弹簧14被压缩;这个过程中,在铰杯1拉拽下,其他零部件配合尽量被拉伸、摆动、旋转,使门板能以最大角度打开,如图2、图7和图8所示。
关闭门板时,给予铰杯1一个往回关闭的压力,作用在短杆5和大梁7上,短杆5带动与其铰接的长杆6和缓冲器2向后转,缓冲器2推动三角连接件8,使滑轮10在小凸轮12的表面向后滑动,滑轮10和小凸轮12通过三角连接件8对缓冲器2产生抵顶,促使缓冲器2在铰链关闭时做压缩运动,从而产生缓冲,使门板关闭时缓慢而安静;大梁7带动连接件16向后摆动,偏心轮15向后旋转,给予弹簧14回复空间,弹簧14的回复弹力推动偏心轮15和连接件16向后摆动,促使铰链关闭,如图1、图9和图10所示。
上述的缓冲器2、三角连接件8、滑轮10和小凸轮12等技术特征共同组成了本申请的缓冲结构,便于启动缓冲,铰链开启和关闭的过程比较平稳,保证了良好的缓冲效果。短杆5、长杆6、大梁7和连接件16等组合而成的结构使铰链可打开的角度较大,如图4所示,其中直线A为与底座4安装面平行的直线,直线B为与铰杯1安装面平行的直线,当铰链完全打开后用于安装门板的铰杯1安装面与用于安装柜体或门框的底座4安装面夹角为β能达到155度,使铰链可应用到多种使用场合,适用范围更广。
Claims (10)
- 一种大角度缓冲铰链,包括铰杯、缓冲器和铰臂,其特征在于:还包括短杆、长杆和三角连接件,所述铰杯与短杆的一端铰接,所述短杆的另一端与长杆的一端铰接,所述长杆的另一端与铰臂铰接,所述缓冲器设置在长杆内并且缓冲器的末端与短杆、长杆共同铰接,所述缓冲器的伸缩端与三角连接件铰接,所述三角连接件内设有与其铰接的弹性紧压件和滑轮,所述三角连接件的左右两侧设有导轨槽,所述导轨槽内架设有两头固定在长杆上的第一铆钉,所述弹性紧压件的末端抵压在第一铆钉上,所述铰臂内设有小凸轮,所述滑轮在小凸轮的表面滑动。
- 根据权利要求1所述的大角度缓冲铰链,其特征在于:所述小凸轮的表面形状为波浪形,所述三角连接件的底部为与小凸轮表面相配合的弧形。
- 根据权利要求1或2所述的大角度缓冲铰链,其特征在于:所述缓冲器的末端和伸缩端均设有开口扣,所述缓冲器的末端通过开口扣扣于固定在长杆的铆钉上,所述缓冲器的伸缩端通过开口扣扣于固定在三角连接件的铆钉上。
- 根据权利要求1或2所述的大角度缓冲铰链,其特征在于:所述弹性紧压件为扭簧。
- 据权利要求4所述的大角度缓冲铰链,其特征在于:所述导轨槽为U形槽。
- 根据权利要求1所述的大角度缓冲铰链,其特征在于:还包括大梁,所述铰杯与大梁的前端铰接,所述大梁的中段与长杆的中段铰接,所述大梁内设有弹簧套,所述弹簧套内设有被压缩的弹簧,所述弹簧套和弹簧的末端顶于偏心轮上,所述偏心轮与连接件铰接,所述连接件的一端与大梁的末端铰接,所述连接件的另一端与铰臂铰接。
- 根据权利要求6所述的大角度缓冲铰链,其特征在于:所述弹簧被压缩后再装入弹簧套并以第二铆钉定位弹簧的前端,所述第二铆钉固定在大梁上同时承托弹簧套的前段,所述弹簧套的后段底部设有固定在大梁上的第三铆钉。
- 根据权利要求7所述的大角度缓冲铰链,其特征在于:所述弹簧设置两条。
- 根据权利要求1所述的大角度缓冲铰链,其特征在于:还包括底座和嵌套到铰臂内壁的拆卸架,所述拆卸架的前端底部设有第一倒勾,所述底座的前端底面设有与第一倒勾相配合的第一沟槽,所述拆卸架的末端铰接铁勾的上端和小扭簧,所述小扭簧安装在铁勾内,所述铁勾的下端设有第二倒勾,所述底座的末端设有与第二倒勾相配合的第二沟槽。
- 根据权利要求9所述的大角度缓冲铰链,其特征在于:所述铁勾的外面设置有拨扣,所述拨扣、铁勾以及小扭簧共同与拆卸架的末端铰接。
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