1283594 七、指定代表圖： (一） 本案指定代表圖為··第（1 )圖。 (二) 本代表圖之元件符號簡單說明： 基座1 框架1 2 跑板2 1 緩衝裝置3 八、本案若有化學式時 扶手1 1 踩踏裝置2 跑帶2 1 1 請揭示最能顯示發明特徵的化學式： 九、發明說明： 【發明所屬之技術領域】 本發明係有關一種跑步機之缓衝裝置，尤指一種具減 震效果之緩衝裝置。 【先前技術】 一般跑步機為避免使用者跑步時，因腳踩踏於跑板之 瞬間反作用力過大而受傷的情形發生，因此，均設有緩衝 裝置6，如第8圖所示，由於該缓衝裝置6係以橡膠製成 ，而使用者的體重均不相同，所需的緩衝力亦不相同，因 此，該緩衝裝置6並無法有效解決使用者受傷的問題。 而另一種缓衝裝置7，如第9圖所示，其係利用不同 密度的材質，以達到提供使用者不同緩衝力的目的，但使 用時必須分別試用不同材質之後，才能選定適用於使用者 4 1283594 體重之材質，如此，讓使用者感到相當不方便。 ' 於是，市面上出現於内部充滿液體的緩衝裝置8，如 < 第1 0圖所示，該緩衝裝置8雖具有較佳之缓衝力，但在 ^ 充滿液體後並無法配合不同體重的使用者而調整缓衝裝置 . 8之緩衝能力。 因此，上述之所有緩衝裝置6、7、8，皆有加以改 進之必要。 【發明内容】 • 本發明之主要目的，在於解決上述的問題而提供一種 跑步機之緩衝裝置，其係利用一可供使用者於其上跑步之 踩踏裝置與一緩衝裝置相連接，使於踩踏裝置上不同體重 之跑步使用者，可藉由緩衝裝置之調整，以對不同體重之 跑步者皆可提供較佳的緩衝力，進而具有保護使用者免於 受傷的功用。 為達前述之目的，本發明應用於跑步機，其包括：一 放置於地面上之基座、一踩踏裝置及一緩衝裝置。其中， • 該基座具有向上延伸而可供使用者扶持之扶手及一以一端 連接於該基座之框架。踩踏裝置則具有一被框架所支持之 跑板，該跑板上並圈繞一可循環轉動之撓性跑帶。且該踩 _ 踏裝置更與一可調整緩衝能力之缓衝裝置相連接，以適當 、 減少使用者跑步時所承受的作用力。 本發明之上述及其他目的與優點，不難從下述所選用 實施例之詳細說明與附圖中，獲得深入了解。 當然，本發明在某些元件上，或元件之安排上容許有 5 1283594 、 所不同，但所選用之實施例，則於本說明書中，予以詳細 ， 說明，並於附圖中展示其構造。 【實施方式】 . —请麥閱第1圖至第7圖，圖中所示者為本發明所選用 之貫施例結構，此僅供說明之用，在專利申請上並不受此 種結構之限制。 本發明應用於跑步機時，如第丄圖所示，其包括：一 • 2置於地面上之基座1、一踩踏裝置2及一緩衝裝置3。 其中，该基座1具有向上延伸而可供使用者扶持之扶手工 1及以鳊連接於該基座1之框架1 2。踩踏裝置2則 f有一被框架12所支持之跑板21，該跑板21上並圈 匕可循環轉動之撓性跑帶2 i i。*於跑步者於該跑板 ^v日守，通$向下踩踏而形成受力最大之部位係在 二lir附近之位置，因此，本實施例係在該位置底面兩側 刀，叹一緩衝裝置3，如第2圖與第3圖所示。 • ☆士於本實施例令，該緩衝裝置3包含-可填充氣體之中 工本體3 1與—增壓單元3 2。該本體3 1係以可撓曲且 堅勒之材料製成’例如橡膠。該增壓單元3 2於本實 、係設於本體31之内部，俾對本體31内部充氣。、 、^該本體3 1具有一緩衝部3 1 1及一固定部3 2 2， 二亥^部3 1 2係藉固定元件3 i 3 (例如螺絲釘）將本 於該跑板21底面鄰近中段處之兩側，而該緩 缓徐邮Q本貫施例中則位於固定部3 1 2之外側。該 、W3 1 1具有大的内部空間’且充注氣體後，其底端 6 1283594 _ 仍低於固定部3 1 2之底端，並保持抵迫框架2 2。該本 • 體3 1又具有一進氣口3 1 4及一排氣口3 1 5，以供增 壓單元3 2作動後，氣體的進入與排出，以調節本體3 1 ^ 内部氣體壓力，進而提供使用者適當的緩衝力。 • "亥增壓單元3 2，如第4圖所示，其係包含一固定於 本體3 1内之馬達3 2 1、一亦固定於本體3 i内之加壓 缸3 2 2，及一設於本體3 1外部而連通本體3丄排氣口 3 1 5並兼具偵測及排氣功能之氣壓感測元件3 2 3。 • 其中，該馬達3 2 1連結-曲軸3 2 5，以驅動-位 於加壓缸3 2 2内可單向阻擋氣體流動之活塞3 2 6往復 運動，該加壓缸3 2 2並具有一連通本體3 1進氣口 3工 4且位於活塞326一侧之第一導管327，及一位於活 塞3 2 6另一側且連通本體3 1内部空間之第二導管3 2 8，使氣體可由進氣口 3 1 4被吸入加壓缸3 2 2經過活 塞3 2 6而被擠入本體3 1内部空間。當然，該第一導管 327及第二導管328分別設有一逆止閥329，以防 春 止氣體回流。 使用時，啟動馬達3 2 1，馬達3 2 1會帶動曲軸3 2 5進而使活塞3 2 6往復運動，當活塞3 2 6被推向第 一導管3 2 8—方，氣體將由進氣口 3 1 4被吸入加壓紅 -3 2 2内，接著活塞3 2 6反向移動，則氣體會經過活塞 3 2 6，繼而被活塞3 2 6擠推而進入本體3 1内部空間 。如此週而復始，即可不斷的充注氣體於本體3 1内，並 可藉由氣壓感測元件3 2 3以測知本體3 1内部之氣體壓 1283594 力。 當使用者在踩踏裝置2上跑步時，使用者可依本身體 重及跑步時的舒適度來調整該本體31内之氣體壓力，如 此，使得跑步時使用者每向前踩踏一步對踩踏裝置2形成 的作用力會被緩衝裝置3吸收，讓使用者在跑步時，腳跟 、腳踝及膝關節可承受較小的反作用力。藉此，使本發明 達到適當的減震及保護使用者免於受傷的功用。 更進一步，本發明亦可選用自動感測的方式，請參閱 第5圖，其係自動感測之動作流程圖。當使用者體重不同 時，該增壓單元3 2中之氣壓感測元件3 2 3可測得本體 3 1内部壓力，當壓力太大時，該氣壓感測元件3 2 3可 適當的將部份氣體排出；壓力不足時，該氣壓感測元件3 23則可透過電性連接而啟動馬達321，使氣體進入本 體3 1内部，而達到所需的氣體壓力。 再者，由於該本體31係設於跑板2 1兩側底面，因 此，該緩衝裝置3只受縱向壓力而未承受橫向摩擦力，可 有較長的使用壽命。 當然，本發明仍存在許多例子，其間僅細節上之變化 。請參閱第6圖，其係本發明之第二實施例，其與前述實 施例不同的是，踩踏裝置2 A除跑板2 1 A外，更包括一 支持該跑板2 1 A之框架1 2 A，該緩衝裝置3 A裝設於 該框架1 2 A底面前段處，使緩衝裝置3 A位於該框架1 2 A與基座1A間。 請參閱第7圖，其係本發明之第三實施例，於本實施 8 1283594 例中，踩踏裝置2 B除跑板2 1 b外，更包括一支持該跑 板2 1 B之框架1 2 B ’該緩衝裝置3㈣裝設於該踩踏 I置2 B底面中段及後段處，使緩衝裝置3 B位於該踩踏 裝置2 B與地面之間，如此，亦可達到保護使用者免於受 傷的功用。 以上所述實施例之揭示係用以說明本發明，並非用以 限制本發明，轉絲值之變更鱗效元狀置換仍應隸 屬本發明之範疇。1283594 VII. Designated representative map: (1) The representative representative of the case is the picture (1). (2) Brief description of the symbol of the representative figure: Base 1 Frame 1 2 Running board 2 1 Buffering device 3 8. Handrail if there is a chemical type 1 1 Stepping device 2 Running belt 2 1 1 Please reveal the characteristics of the invention Chemical Formula: IX. Description of the Invention: [Technical Field] The present invention relates to a cushioning device for a treadmill, and more particularly to a cushioning device having a shock absorbing effect. [Prior Art] In general, the treadmill is provided with a cushioning device 6 in order to prevent the user from being injured when the pedal is stepped on the running board, so that the cushioning device 6 is provided as shown in FIG. The punching device 6 is made of rubber, and the user's weight is different, and the required cushioning force is also different. Therefore, the cushioning device 6 cannot effectively solve the problem of user injury. The other buffer device 7, as shown in Fig. 9, uses materials of different densities to provide different buffering powers for the user, but must be tested separately for different materials before being selected for the user. 4 1283594 The material of the weight, so that the user feels quite inconvenient. Thus, the buffer device 8 which is filled with liquid inside is commercially available. As shown in Fig. 10, the cushioning device 8 has a better cushioning force, but cannot be used with users of different body weights after being filled with liquid. And adjust the buffering device. 8 buffer capacity. Therefore, all of the above-described buffer devices 6, 7, and 8 are necessary for improvement. SUMMARY OF THE INVENTION The main object of the present invention is to solve the above problems and to provide a cushioning device for a treadmill, which is connected to a cushioning device by a pedaling device on which a user can run, so as to step on the pedal. The running users of different weights on the device can be adjusted by the buffer device to provide better cushioning force for runners of different weights, thereby protecting the user from injury. For the foregoing purposes, the present invention is applied to a treadmill comprising: a base placed on the ground, a treading device and a cushioning device. Wherein, the base has an armrest extending upward for the user to support and a frame connected to the base at one end. The pedaling device has a running board supported by a frame that is wound around a flexible running belt that can be rotated. The stepping device is further connected to a cushioning device capable of adjusting the cushioning capacity to appropriately reduce the force exerted by the user when running. The above and other objects and advantages of the present invention will be readily understood from Of course, the present invention may be different in some components, or in the arrangement of the components, but the selected embodiments are described in detail in the specification, and the construction thereof is shown in the drawings. [Embodiment] - Please read the first to seventh figures of the present invention. The figure shows the structure of the embodiment chosen for the present invention. This is for illustrative purposes only and is not subject to such structure in patent applications. The limit. When the present invention is applied to a treadmill, as shown in the figure, it comprises: a base 2, a treading device 2 and a cushioning device 3 placed on the ground. The base 1 has a handrail 1 extending upwardly for the user to support, and a frame 12 connected to the base 1 by a weir. The treading device 2 has a running board 21 supported by the frame 12, and the running board 21 is looped around the flexible running belt 2 i i which is circulated. * The runner is on the running board ^v day guard, and the part that receives the most force is tied to the position near the two lir. Therefore, this embodiment is a knife on both sides of the bottom surface of the position, and the buffer is sighed. The device 3 is as shown in Figures 2 and 3. • In the present embodiment, the cushioning device 3 includes a -fillable gas intermediate body 31 and a pressurizing unit 32. The body 31 is made of a flexible and sturdy material such as rubber. The pressurizing unit 3 2 is disposed inside the body 31 and is inflated inside the body 31. The body 3 1 has a buffer portion 3 1 1 and a fixing portion 3 2 2 , and the second member 3 1 2 is attached to the middle portion of the bottom surface of the running board 21 by a fixing member 3 i 3 (for example, a screw). On both sides of the fixed portion, the two sides of the fixed portion are located on the outer side of the fixed portion 3 1 2 . The W3 1 1 has a large internal space ′ and after filling with the gas, the bottom end 6 1283594 _ is still lower than the bottom end of the fixed portion 3 1 2 and remains against the frame 2 2 . The body 3 1 further has an air inlet 3 1 4 and an exhaust port 3 1 5 for the gas to enter and exit after the boosting unit 3 2 is actuated to adjust the internal gas pressure of the body 3 1 ^. In turn, the user is provided with an appropriate cushioning force. "Hai pressurization unit 3 2, as shown in Fig. 4, comprising a motor 3 2 1 fixed in the body 3 1 , a pressurizing cylinder 3 2 2 also fixed in the body 3 i , and A gas pressure sensing element 3 2 3 is disposed outside the body 3 1 and communicates with the body 3 丄 exhaust port 3 1 5 and has a detecting and exhausting function. • wherein the motor 3 2 1 is coupled to the crankshaft 3 2 5 to drive a reciprocating movement of the piston 3 2 6 in the pressurized cylinder 32 2 to block the flow of gas, the pressurizing cylinder 32 2 having a connection a first conduit 327 that is located on the side of the piston 326 and a second conduit 3 28 that is located on the other side of the piston 326 and communicates with the internal space of the body 3 1 so that the gas can be The intake port 3 14 is sucked into the pressurizing cylinder 3 2 2 and pushed into the internal space of the body 3 1 through the piston 3 26 . Of course, the first conduit 327 and the second conduit 328 are respectively provided with a check valve 329 to prevent the gas from flowing back. In use, the starter motor 3 2 1, the motor 3 2 1 will drive the crankshaft 3 2 5 to reciprocate the piston 3 2 6 , when the piston 3 26 is pushed toward the first duct 3 2 8 - the gas will be from the air inlet When 3 1 4 is sucked into the pressurized red -3 2 2 and then the piston 3 2 6 is moved in the opposite direction, the gas passes through the piston 3 2 6 and is then pushed by the piston 3 26 into the internal space of the body 3 1 . In this way, the gas can be continuously filled into the body 31, and the gas pressure sensing element 3 2 3 can be used to detect the gas pressure inside the body 3 1 by 1283594. When the user runs on the treading device 2, the user can adjust the gas pressure in the body 31 according to his own weight and the comfort during running, so that the user forms a step on the treading device 2 every step forward during running. The force is absorbed by the cushioning device 3, allowing the user to withstand less reaction forces during the running, heel, ankle and knee joints. Thereby, the present invention achieves appropriate shock absorption and protects the user from injury. Furthermore, the present invention can also select an automatic sensing method, please refer to FIG. 5, which is an action flow diagram of automatic sensing. When the user's weight is different, the air pressure sensing element 3 2 3 in the pressurizing unit 3 2 can measure the internal pressure of the body 3 1 , and when the pressure is too large, the air pressure sensing element 3 2 3 can appropriately The gas is discharged; when the pressure is insufficient, the air pressure sensing element 323 can electrically activate the motor 321 to allow the gas to enter the interior of the body 31 to achieve the desired gas pressure. Further, since the main body 31 is provided on the bottom surfaces of both sides of the running board 21, the cushioning device 3 is only subjected to the longitudinal pressure and is not subjected to the lateral frictional force, and has a long service life. Of course, there are still many examples of the present invention with only minor changes in detail. Please refer to FIG. 6 , which is a second embodiment of the present invention, which is different from the previous embodiment in that the treading device 2 A includes a frame 1 supporting the running board 2 1 A in addition to the running board 2 1 A. 2 A, the cushioning device 3 A is installed at the front portion of the bottom surface of the frame 1 2 A such that the cushioning device 3 A is located between the frame 1 2 A and the base 1A. Please refer to FIG. 7 , which is a third embodiment of the present invention. In the example of the embodiment 8 1283594, the treading device 2 B includes a frame 1 2 supporting the running board 2 1 B in addition to the running board 2 1 b . B' The buffer device 3 (4) is installed at the middle portion and the rear portion of the bottom surface of the step I, 2B, so that the buffer device 3B is located between the stepping device 2B and the ground, so that the function of protecting the user from injury can be achieved. . The above description of the embodiments is intended to illustrate the invention and is not intended to limit the invention, and the scalar replacement of the wire value is still within the scope of the invention.
由以上詳細說明，可使熟知本項技藝者明瞭本發明的 確可達成别述目的，實已符合專利法之規定，爰提出專利 申請。 【圖式簡單說明】 第1圖係本發明之結構示意圖 第2圖係本發明之緩衝裝置的示意圖 第3圖係本發明緩衝裝置、跑板及框架間之關係圖 第4圖係本發明之增壓單元與本體間之關係圖 第5圖係本發明自動感測之動作流程圖 第6圖係本發明第二實施例之示意圖 第7圖係本發明第三實施例之示意圖 第8圖係第一種習用緩衝裝置之結構示意圖 第9圖係第二種習用緩衝裝置之結構示意圖 第1 〇圖係第三種習用缓衝裝置之結構示意圖 【主要元件符號說明】 再。口 (習用部分） 緩衝裝置 緩衝裝置7 9 1283594 緩衝裝置8 ' (本發明部分） 基座1 Λ 框架1 2 _ 跑板2 1 缓衝裝置3 緩衝部3 1 1 固定元件3 1 3 參 排氣口 3 1 5From the above detailed description, it will be apparent to those skilled in the art that the present invention can be achieved by the purpose of the invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing the structure of the present invention. FIG. 3 is a schematic view showing a relationship between a buffer device, a running board and a frame of the present invention. FIG. 4 is a view of the present invention. FIG. 5 is a flow chart of the automatic sensing of the present invention. FIG. 6 is a schematic view showing a second embodiment of the present invention. FIG. FIG. 9 is a schematic structural view of a second conventional buffer device. FIG. 1 is a schematic structural view of a third conventional buffer device. [Main component symbol description] Port (conventional part) Buffer device buffer device 7 9 1283594 Buffer device 8' (part of the invention) Base 1 Λ Frame 1 2 _ Running board 2 1 Buffer unit 3 Buffer 3 1 1 Fixing element 3 1 3 Exhaust Mouth 3 1 5
馬達3 2 1 氣壓感測元件3 2 3 活塞3 2 6 第二導管3 2 8 基座1 A 踩踏裝置2 A 緩衝裝置3 A • 框架1 2 BMotor 3 2 1 Air pressure sensing element 3 2 3 Piston 3 2 6 Second duct 3 2 8 Base 1 A Stepping device 2 A Buffer 3 A • Frame 1 2 B
跑板2 1 BRunning board 2 1 B
跑步帶8 1 扶手1 1 踩踏裝置2 跑帶2 1 1 本體3 1 固定部3 1 2 進氣口 3 1 4 增壓單元3 2 加壓缸3 2 2 曲軸3 2 5 第一導管3 2 7 逆止閥3 2 9 框架1 2 A 跑板2 1 ARunning belt 8 1 Handrail 1 1 Stepping device 2 Running belt 2 1 1 Body 3 1 Fixing part 3 1 2 Air inlet 3 1 4 Pressurizing unit 3 2 Pressurizing cylinder 3 2 2 Crankshaft 3 2 5 First duct 3 2 7 Check valve 3 2 9 frame 1 2 A running board 2 1 A
踩踏裝置2 B 緩衝裝置3 BStepping device 2 B buffer device 3 B