TWI670428B - Bicycle shock absorber pressure balance device - Google Patents
Bicycle shock absorber pressure balance device Download PDFInfo
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Abstract
一種自行車避震器氣壓平衡裝置,其包括外管、內管、芯桿、浮動座、套管以及平衡閥,浮動座分別與充氣閥與穿設座之間將內管區分為第一氣室與第二氣室,平時套管頂推浮動座的平衡閥,以致平衡閥開啟導通第一氣室與第二氣室之間,如此可以快速達到兩氣室的氣壓平衡。 The utility model relates to a bicycle shock absorber air pressure balance device, which comprises an outer tube, an inner tube, a core rod, a floating seat, a sleeve and a balance valve, and the floating seat respectively separates the inner tube into a first air chamber between the inflation valve and the wearing seat And the second air chamber, the bushing pushes the balance valve of the floating seat in a normal manner, so that the balance valve opens between the first air chamber and the second air chamber, so that the air pressure balance of the two air chambers can be quickly achieved.
Description
本發明係關於自行車的避震器,特別是指氣壓避震器有兩氣室具有彼此間能相互達到氣壓平衡作用者。 The invention relates to a shock absorber for a bicycle, in particular to a pneumatic shock absorber having two air chambers having mutual pressure balance with each other.
本發明主張國內優先權之基礎案為台灣專利申請號第10614297號(申請日2017年12月6日),據此作為本發明優先權之基礎。 The basic case of claiming domestic priority is Taiwan Patent Application No. 10614297 (filed on December 6, 2017), which is the basis of the priority of the present invention.
自行車大致上有車架、轉向、傳動、刹車、避震等相關零組件配置組成,其用途從傳統交通工具之外也成為現代人喜愛的運動,甚至演變多樣化專屬各項競賽。 Bicycles generally consist of frame components, steering, transmission, braking, shock absorbers and other related components. Their use has become a favorite sport from modern vehicles, and even evolved into exclusive competitions.
自行車中攸關於行駛上的舒適與穩定性的重要性零件,主要是依賴避震器,例如避震器吸收來自路面的震動力有助於提昇行駛操控,而有助於行駛穩定保持車身穩定,大部分路面傳來震動由避震器吸收,可以減少傳遞至騎乘者肌肉的負擔與疲勞感,特別是在崎嶇路況(顛頗的山路或郊區、修補的道路)其效果更為顯著。 The importance of bicycles in terms of comfort and stability in driving is mainly dependent on shock absorbers. For example, shock absorbers absorb the vibration force from the road surface to help improve driving control, and help the driving stability to maintain the stability of the vehicle. Most of the road surface vibrations are absorbed by the shock absorbers, which can reduce the burden and fatigue that is transmitted to the rider's muscles, especially in rugged road conditions (extensive mountain roads or suburbs, repaired roads).
一般自行車避震器大多為內外管相互穿設,可作彼此相對的伸縮位移的作用,並配合內部設置氣體、油壓、彈簧或是前述的組合成為複合式,於伸縮位移的作用下擠壓流體或彈簧 提供緩衝的力量,大致上都可以吸收來自地面的震動力,其中又以氣壓式避震器反應靈敏、輕量化設計,受到不少玩家族群的青睞選購使用。 Generally, the bicycle shock absorbers are mainly designed such that the inner and outer tubes are interpenetrated, and can be used as a telescopic displacement relative to each other, and combined with internal gas, oil pressure, spring or the combination of the foregoing to form a composite type, which is pressed by the telescopic displacement. Fluid or spring The strength of the cushioning can absorb the vibration force from the ground in general, and the pneumatic shock absorber is sensitive and lightweight, and is favored by many players.
本發明係關於一種自行車避震器氣壓平衡裝置,特別是指氣壓避震器兩氣室彼此保持常態相通狀態,可以達到氣壓平衡作用者。 The invention relates to a bicycle shock absorber air pressure balance device, in particular to a gas shock absorber, wherein two air chambers are in a normal state of communication with each other, and the air pressure balance can be achieved.
一種自行車避震器氣壓平衡裝置,其包括一外管、一內管、一芯桿、一浮動座、一套管以及一平衡閥:該外管的兩端分別為一套設端與一封閉端;該內管兩端分別為一進氣端與一穿設端,且該內管的穿設端穿設於該外管的套設端內,以致該外管的套設端於該內管的該進氣端與該穿設端兩者方向間滑移,另於該進氣端組設一充氣閥,而該穿設端組設一穿設座;該芯桿的兩端分別為一固定端與一限位端,該芯桿的固定端組設於該外管的封閉端,該芯桿的限位端則貫穿該穿設座進入該內管內部;該浮動座組設於該芯桿的限位端,該浮動座滑設於該內管內部並位於該充氣閥與該穿設座之間,該浮動座分別與該充氣閥與該穿設座之間將該內管區分為一第一氣室與一第二氣室,該浮動座設有軸向貫穿該浮動座之一通孔,又該通孔的上孔端緣內環設有一倒錐孔段,而該通孔的下孔端緣設有一大孔段,該大孔段與該倒錐孔段彼此相連;該芯桿的限位端延伸於該第二氣室內;該套管穿套於該芯桿,且該套管的兩端分別為一配接端與一觸發部,該套 管的配接端設於該穿設座,而該套管的觸發部則朝向該充氣閥方向並抵於該浮動座的底面;該平衡閥係組設於該浮動座的通孔,該平衡閥包括有一啟閉座、一倒錐栓、一啟閉桿,該啟閉座組配於該通孔的大孔段,該啟閉桿係頂端穿設該啟閉座而與該倒錐栓固定結合,而該套管的觸發部常態抵頂該啟閉桿的底端,以致該啟閉桿由該大孔段朝向倒錐孔段軸向位移,並由該啟閉桿的頂端帶動該倒錐栓相對該倒錐孔段為脫離狀態,而該第一氣室與第二氣室之間得由該通孔呈相連通狀態達到兩氣室的氣壓平衡。 The utility model relates to a bicycle shock absorber air pressure balancing device, which comprises an outer tube, an inner tube, a core rod, a floating seat, a sleeve and a balance valve: the two ends of the outer tube are respectively a set end and a closed The two ends of the inner tube are respectively an air inlet end and a through end, and the through end of the inner tube is disposed in the sleeve end of the outer tube, so that the sleeve end of the outer tube is inside The inlet end of the tube and the end of the tube are slid, and an inflation valve is disposed at the inlet end, and the piercing end is provided with a piercing seat; the two ends of the core rod are respectively a fixed end and a limiting end, the fixed end of the core rod is disposed at the closed end of the outer tube, and the limiting end of the core rod extends through the wearing seat into the inner tube; the floating seat set is disposed at a limiting end of the core rod, the floating seat is slidably disposed inside the inner tube and located between the inflation valve and the wearing seat, and the floating seat respectively separates the inner tube from the inflation valve and the wearing seat Dividing into a first air chamber and a second air chamber, the floating seat is provided with a through hole penetrating through the floating seat, and an inner ring of the upper hole end of the through hole is provided with an inverted cone hole segment The through hole end edge of the through hole is provided with a large hole segment, and the large hole segment and the reverse tapered hole segment are connected to each other; the limiting end of the core rod extends in the second gas chamber; the sleeve is sleeved in the hole a core rod, and the two ends of the sleeve are respectively a mating end and a triggering portion, the sleeve The mating end of the tube is disposed on the wearing seat, and the triggering portion of the sleeve is directed toward the inflation valve and abuts against the bottom surface of the floating seat; the balancing valve is disposed in the through hole of the floating seat, the balance The valve includes a opening and closing seat, an inverted cone bolt, and an opening and closing rod. The opening and closing seat assembly is disposed in the large hole section of the through hole, and the opening and closing rod top end penetrates the opening and closing seat and the inverted cone bolt Fixedly engaging, and the triggering portion of the sleeve normally abuts against the bottom end of the opening and closing rod, so that the opening and closing rod is axially displaced from the large hole portion toward the reverse tapered hole portion, and is driven by the top end of the opening and closing rod The inverted cone bolt is in a disengaged state with respect to the inverted cone hole segment, and the first air chamber and the second air chamber are in a state of being in communication with each other to achieve a gas pressure balance of the two air chambers.
1‧‧‧自行車前叉 1‧‧‧ bicycle front fork
2‧‧‧外管 2‧‧‧External management
21‧‧‧套設端 21‧‧‧Set end
22‧‧‧封閉端 22‧‧‧closed end
3‧‧‧內管 3‧‧‧Inside
301‧‧‧第一氣室 301‧‧‧First air chamber
302‧‧‧第二氣室 302‧‧‧Second chamber
31‧‧‧進氣端 31‧‧‧ intake end
32‧‧‧穿設端 32‧‧‧ wearing the end
33‧‧‧充氣閥 33‧‧‧Inflator valve
34‧‧‧穿設座 34‧‧‧ wearing a seat
4‧‧‧芯桿 4‧‧‧core rod
41‧‧‧固定端 41‧‧‧ fixed end
42‧‧‧限位端 42‧‧‧limit end
421‧‧‧限位柱 421‧‧‧Limited Column
5‧‧‧浮動座 5‧‧‧ floating seat
51‧‧‧通孔 51‧‧‧through hole
511‧‧‧倒錐孔段 511‧‧‧ inverted cone section
512‧‧‧大孔段 512‧‧‧ large hole section
52‧‧‧底側槽 52‧‧‧ bottom side slot
53‧‧‧限位孔 53‧‧‧Limited holes
54‧‧‧外環槽 54‧‧‧ outer ring groove
55‧‧‧氣密環 55‧‧‧ airtight ring
6‧‧‧套管 6‧‧‧ casing
61‧‧‧配接端 61‧‧‧ Adapter
62‧‧‧觸發部 62‧‧‧Trigger
7‧‧‧平衡閥 7‧‧‧balance valve
71‧‧‧啟閉座 71‧‧‧Starting and closing seat
711‧‧‧流孔 711‧‧‧ orifice
72‧‧‧倒錐栓 72‧‧‧ inverted cone bolt
73‧‧‧啟閉桿 73‧‧‧Starting and closing pole
731‧‧‧環凸部 731‧‧‧ ring convex
74‧‧‧彈簧 74‧‧‧ Spring
第一圖係本發明應用於前叉立體示意圖。 The first figure is a perspective view of the present invention applied to the front fork.
第二圖係本發明浮動座與平衡閥分解立體組合示意圖。 The second figure is a schematic exploded view of the floating seat and the balance valve of the present invention.
第三圖係第一圖線段ⅢⅢ剖視示意圖。 The third figure is a schematic cross-sectional view of the first line segment IIIIII.
第四圖係第三圖局部放大示意圖。 The fourth figure is a partially enlarged schematic view of the third figure.
第五圖係本發明安裝啟浮動座之剖面示意圖。 The fifth figure is a schematic cross-sectional view of the installation floating seat of the present invention.
第六圖係本發明第五圖局部放大示意圖。 The sixth drawing is a partially enlarged schematic view of the fifth drawing of the present invention.
請參閱第一圖所示,圖中揭示本發明應用於自行車前叉1為例,並位於圖式中右側下叉位置。請參閱圖式第一至四圖所示,本發明自行車避震器氣壓平衡裝置,其包括一外管2、一內管3、一芯桿4、一浮動座5、一套管6以及一平衡閥7:該外管2的兩端分別為一套設端21與一封閉端22; 該內管3兩端分別為一進氣端31與一穿設端32,且該內管3的穿設端32則穿設於該外管2的套設端21內,以致該外管2的套設端21於該內管3的該進氣端31與該穿設端32兩者方向間滑移,另於該進氣端31組設一充氣閥33,而該穿設端32組設一穿設座34;該芯桿4的兩端分別為一固定端41與一限位端42,該芯桿4的固定端41組設於該外管2的封閉端22,該芯桿4的限位端42則貫穿該穿設座34進入該內管3內部;該浮動座5組設於該芯桿4的限位端42,該浮動座5滑設於該內管3內部並位於該充氣閥33與該穿設座34之間,該浮動座5分別與該充氣閥33與該穿設座34之間將該內管3區分為一第一氣室301與一第二氣室302,該浮動座5設有軸向貫穿該浮動座5之一通孔51,又該通孔51的上孔端緣內環設有一倒錐孔段511,而該通孔51的下孔端緣設有一大孔段512;該大孔段512與該倒錐孔段511彼此相連;該芯桿4的限位端42延伸於該第二氣室302內;該套管6穿套於該芯桿4,且該套管6的兩端分別為一配接端61與一觸發部62,該套管6的配接端61設於該穿設座34,而該套管6的觸發部62則朝向該充氣閥33方向並抵於該浮動座5的底面;該套管6的觸發部62係由該套管6由內向外擴之環狀結構;該平衡閥7係組設於該浮動座5的通孔51,該平衡閥7包括有一啟閉座71、一倒錐栓72、一啟閉桿73,該啟閉座71組配於該通孔51的大孔段512,該啟閉桿73係頂端穿設該啟閉座71而與 該倒錐栓72固定結合,而該套管6的觸發部62常態抵頂該啟閉桿73的底端,以致該啟閉桿73由該大孔段512朝向倒錐孔段511軸向位移,並由該啟閉桿73的頂端帶動該倒錐栓72相對該倒錐孔段511為脫離狀態,而該第一氣室301與第二氣室302之間得由該通孔51呈相連通狀態達到兩氣室的氣壓平衡。 Referring to the first figure, the figure shows that the present invention is applied to the bicycle front fork 1 as an example, and is located at the right lower fork position in the drawing. Referring to Figures 1 to 4, the bicycle shock absorber air balance device of the present invention comprises an outer tube 2, an inner tube 3, a core rod 4, a floating seat 5, a sleeve 6 and a Balance valve 7: the two ends of the outer tube 2 are respectively a set end 21 and a closed end 22; The two ends of the inner tube 3 are respectively an air inlet end 31 and a through end 32, and the through end 32 of the inner tube 3 is inserted into the sleeve end 21 of the outer tube 2, so that the outer tube 2 The sleeve end 21 slides between the inlet end 31 of the inner tube 3 and the end of the insertion end 32, and an inflation valve 33 is disposed at the inlet end 31, and the insertion end 32 is assembled. a fixing seat 34 is disposed at each end of the core rod 4; the fixed end 41 of the core rod 4 is disposed at the closed end 22 of the outer tube 2, and the core rod The limiting end 42 of the fourth end of the inner tube 3 is inserted through the through hole 34; the floating seat 5 is disposed at the limiting end 42 of the core rod 4, and the floating seat 5 is slidably disposed inside the inner tube 3 and Located between the inflation valve 33 and the insertion seat 34, the floating seat 5 and the inflation valve 33 and the insertion seat 34 respectively divide the inner tube 3 into a first air chamber 301 and a second air. The floating seat 5 is provided with a through hole 51 extending axially through the floating seat 5, and the inner ring of the upper end of the through hole 51 is provided with an inverted taper hole 511, and the lower end of the through hole 51 The edge is provided with a large hole section 512; the large hole section 512 and the inverted cone hole section 511 are connected to each other; the core The limiting end 42 of the sleeve 4 extends in the second air chamber 302; the sleeve 6 is sleeved on the core rod 4, and the two ends of the sleeve 6 are respectively a mating end 61 and a triggering portion 62. The mating end 61 of the sleeve 6 is disposed on the wearing seat 34, and the triggering portion 62 of the sleeve 6 faces the inflating valve 33 and abuts against the bottom surface of the floating seat 5; the triggering portion 62 of the sleeve 6 The annular structure of the sleeve 6 is expanded from the inside to the outside; the balancing valve 7 is disposed in the through hole 51 of the floating seat 5. The balancing valve 7 includes an opening and closing seat 71, an inverted cone 72, and a The opening and closing lever 73 is disposed in the large hole section 512 of the through hole 51. The opening and closing lever 73 is disposed at the top end of the opening and closing seat 71. The reverse taper 72 is fixedly coupled, and the triggering portion 62 of the sleeve 6 normally abuts against the bottom end of the opening and closing lever 73, so that the opening and closing lever 73 is axially displaced from the large hole section 512 toward the reverse tapered hole section 511. And the reverse taper 72 is driven away from the reverse taper hole 511 by the top end of the opening and closing lever 73, and the first air chamber 301 and the second air chamber 302 are connected by the through hole 51. The pass state reaches the air pressure balance of the two air chambers.
由上述記載可知該套管6的觸發部62常態抵頂該啟閉桿73的底端,以致該啟閉桿73由該大孔段512朝向倒錐孔段511軸向位移,並由該啟閉桿73的頂端帶動該倒錐栓72相對該倒錐孔段511為脫離狀態,此時該第一氣室301與第二氣室302之間得由該通孔51呈相連通狀態,如此可以快速達到兩氣室(第一氣室301與第二氣室302)的氣壓平衡。 It can be seen from the above description that the triggering portion 62 of the sleeve 6 normally abuts against the bottom end of the opening and closing rod 73, so that the opening and closing rod 73 is axially displaced from the large hole portion 512 toward the reverse tapered hole portion 511, and The top end of the closing rod 73 drives the reverse cone bolt 72 to be disengaged from the reverse cone hole segment 511. At this time, the first air chamber 301 and the second air chamber 302 are in communication with each other through the through hole 51. The air pressure balance of the two air chambers (the first air chamber 301 and the second air chamber 302) can be quickly reached.
必須說明的是本發明是應用於氣壓式避震器,且其運作的軸向方向未配合有任何其餘緩衝效用,舉例來說本發明第一氣室301與該第二氣室302未包含有油壓緩衝、彈簧機械式緩衝,而該外管2的封閉端22與該內管3的穿設端32之間亦未有油壓緩衝、彈簧機械式緩衝。 It should be noted that the present invention is applied to a pneumatic shock absorber, and the axial direction of its operation is not matched with any remaining cushioning effect. For example, the first air chamber 301 and the second air chamber 302 of the present invention do not include The oil pressure buffer and the spring mechanical buffer do not have oil pressure buffer and spring mechanical buffer between the closed end 22 of the outer tube 2 and the through end 32 of the inner tube 3.
值得一提的是,該啟閉座71具有一流孔711且與該通孔51彼此相通,該啟閉桿73穿設於流孔711,且該啟閉桿73與流孔711之間尚有空隙,如此於第一氣室301與第二氣室302兩邊的氣體得以經由通孔51、流孔711達到兩氣室的氣壓平衡狀態。另外,該浮動座5的底端設有一底側槽52並與該通孔51相連通,且該底側槽52朝向該浮動座5外周側貫穿並連通第二氣室302,特別是套管6的 觸發部62頂抵該啟閉桿73的底端時僅局部遮蔽該底側槽52,意即該套管6的觸發部62的最大外徑仍未超過該浮動座5的外徑,使得底側槽52仍能夠與第二氣室302相連通。 It is worth mentioning that the opening and closing seat 71 has a first-class hole 711 and communicates with the through hole 51. The opening and closing rod 73 is disposed in the flow hole 711, and the opening and closing rod 73 and the flow hole 711 are still In the gap, the gas on both sides of the first gas chamber 301 and the second gas chamber 302 can reach the gas pressure balance state of the two gas chambers through the through hole 51 and the flow hole 711. In addition, the bottom end of the floating seat 5 is provided with a bottom side groove 52 and communicates with the through hole 51, and the bottom side groove 52 penetrates toward the outer peripheral side of the floating seat 5 and communicates with the second air chamber 302, particularly the sleeve. 6 When the triggering portion 62 abuts against the bottom end of the opening and closing lever 73, the bottom side groove 52 is only partially shielded, that is, the maximum outer diameter of the triggering portion 62 of the sleeve 6 does not exceed the outer diameter of the floating seat 5, so that the bottom portion The side slots 52 can still be in communication with the second plenum 302.
該平衡閥7進一步包括有一彈簧74,該彈簧74套設於該啟閉桿73,且該彈簧74一端彈抵於該啟閉桿73底端的一環凸部731,而該彈簧74一端彈抵於該啟閉座71的底部;該套管6的觸發部62抵頂該啟閉桿73的底端時,該彈簧74受該啟閉桿73的環凸部731與啟閉座71之間的壓縮; 該浮動座5的底端設有一限位孔53,而該芯桿4的限位端42具有定位於該限位孔53之一限位柱421。另外,該浮動座5外周側設有複數外環槽54,且該複數外環槽54環套有複數氣密環55並與該內管3的內壁面相接觸,藉此提高彼此間的氣密效果。 The balance valve 7 further includes a spring 74. The spring 74 is sleeved on the opening and closing lever 73, and one end of the spring 74 is elastically abutted against a ring protrusion 731 at the bottom end of the opening and closing lever 73, and one end of the spring 74 is elastically engaged. The bottom portion of the opening and closing seat 71; when the triggering portion 62 of the sleeve 6 abuts against the bottom end of the opening and closing lever 73, the spring 74 is received between the ring convex portion 731 and the opening and closing seat 71 of the opening and closing lever 73. compression; The bottom end of the floating seat 5 is provided with a limiting hole 53 , and the limiting end 42 of the core rod 4 has a limiting post 421 positioned on the limiting hole 53 . In addition, a plurality of outer ring grooves 54 are disposed on the outer peripheral side of the floating seat 5, and the plurality of outer ring grooves 54 are sleeved with a plurality of airtight rings 55 and are in contact with the inner wall surface of the inner tube 3, thereby improving the mutual gas. Dense effect.
請參閱第五圖與第六圖所示,圖中揭示浮動座5的安裝,該浮動座5滑設於該內管3內部,並由該充氣閥33對該第一氣室301充氣以致該浮動座5受壓並定位於該芯桿4的限位端42(定位狀態如第三與四圖所示)。或另以一治具推抵該浮動座5定位於芯桿4的限位端42(圖中未示)。 Referring to the fifth and sixth figures, the installation of the floating seat 5 is disclosed. The floating seat 5 is slidably disposed inside the inner tube 3, and the first air chamber 301 is inflated by the inflation valve 33 so that the The floating seat 5 is pressed and positioned at the limit end 42 of the core rod 4 (the positioning state is as shown in the third and fourth figures). Or a fixture is pushed against the floating seat 5 to be positioned at the limiting end 42 of the core rod 4 (not shown).
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Citations (4)
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TW200600700A (en) * | 2004-06-28 | 2006-01-01 | Fu Luong Hi Tech Co Ltd | Gas cylinder |
CN101639106A (en) * | 2009-08-25 | 2010-02-03 | 深圳市中车业成实业有限公司 | Piston-type hydro-pneumatic buffer |
TW201024699A (en) * | 2008-12-29 | 2010-07-01 | Bo-Yao Shi | High-pressure air bar |
JP2015080948A (en) * | 2013-10-21 | 2015-04-27 | アイシン精機株式会社 | Air suspension device |
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Publication number | Priority date | Publication date | Assignee | Title |
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TW200600700A (en) * | 2004-06-28 | 2006-01-01 | Fu Luong Hi Tech Co Ltd | Gas cylinder |
TW201024699A (en) * | 2008-12-29 | 2010-07-01 | Bo-Yao Shi | High-pressure air bar |
CN101639106A (en) * | 2009-08-25 | 2010-02-03 | 深圳市中车业成实业有限公司 | Piston-type hydro-pneumatic buffer |
JP2015080948A (en) * | 2013-10-21 | 2015-04-27 | アイシン精機株式会社 | Air suspension device |
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