201243184 六、發明說明： 【發明所屬之技術領域】 本發明疋有關於一種避震器’特別是指一種可調壓的 避震器。 【先前技術】 在台灣新型專利第327823號中提供了一種習知的避震 器，該避震器包含一缸管單元、一油氣分離閥，及一活塞 單元，該缸管單元包括一中空外管，該外管具.有相反的一 第端及一第二端，該油氣分離閥可軸向移動地安裝在外 管内，以與第一端界定出一氣體空間，並與第二端間界定 出一儲存有油液的液體空間，該活塞單元安裝在該外管内 ，並可沿該軸線上下移動。 ^受到外力時’該活塞單元會朝下方移動並擠壓油液 產生-下推力推動該油氣分離閥，該油氣分離閥朝下移動 壓縮該氣體空間内的氣體至氣體的壓力與該下推力相等， 而田外力4失a夺’氣體積蓄的復位力即可將該油氣分離間 推回原位，藉由上述的動作可達到避震之作用，但習知的 避震器卻有著以下的缺失： 由於該氣體空間的體積無法調整，因此無法藉由調整 該氣體空間㈣氣壓改變避震器避震特性，在使用上相當 的不便。 【發明内容】 因此’本發明之目的， 内氣壓的可調壓的避震琴。 即在提供一種可以改變避震器 201243184 於是，本發明可調壓的避震器，包含一缸管、—油氣 刀離閥、一活塞單元，及一調廢裝置。該缸管圍繞—轴線 、、^有，反之第一端，及一第二端。該油氣分離閥安裝 在該缸管内並介於該第一端及該第二端之間，且該油氣分 離間可沿該軸線移動。該活塞單元設置在該缸管的第一端 ，且可沿該軸線移動，該活塞單元與該油氣分離閥相配合 界定出一儲存有油液的儲液空間。該調壓裝置設置於該缸 管的第二端，該調壓裝置與該油氣分離閥相配合界定出一 密封的氣體空間，且該調壓裝置可調整該氣體空間的體積 。當受到外力時，該活塞單元朝該油氣分離閥移動並壓縮 油液’藉此推動該油氣分離閥朝該調壓裝置移動一壓縮距 離並壓縮該氣體空間的氣體，待外力消失，即藉由氣體積 蓄的復位力將該油氣分離閥推回原位，藉由調整該氣體空 間的體積’可改變該氣體空間内的氣壓。 本發明之功效在於，透過該調壓裝置可調整該氣體空 間的體積’並藉此調整該氣體空間儲存之氣體的氣壓，如 此即能調整避震器的避震特性，在使用上相當便利。 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配合參考圖式之一個較佳實施例的詳細說明中，將可 清楚的呈現。 參閱圖1’本發明可調壓的避震器之較佳實施例包含一 紅管1、一油氣分離閥2、一活塞單元3，及一調壓裝置4 4 201243184 該缸管1圍繞一軸線100並具有一内表面u、一形成 於該内表面11的内螺紋部12(見圆7)、一第—端U，及一 相反於該第一端13的第二端14。 該油氣分離閥2安裝在該缸管丨内並介於該第一端13 及該第二端14之間，且該油氣分離閥2可沿該軸線_移 動。該油氣分離㈤2 &括一本體21及一環繞在該本體21 一外表面的襯圈22。 该活塞單元3設置在該缸管1的第一端13，且可沿該 軸線10G移動，該活塞單元3與該油氣分㈣2相配合界 定出一儲液空間200，該儲液空間200儲存有油液。 該調壓褒置4設置於該紅管i的第二端14，並包括一 與該缸管i連接的連接單元5及―與該連接單元5連接的 調整件6，該調整件6與該連接單元5及該油氣分離閱2相 配合界定出-氣體空間則，且該調整件6可沿該軸線1〇〇 移動’藉此調整該氣體空間300的體積。 參閱圖1、2、3,該調壓農置4的連接單元5具有一連 接件51、一連接桿52、一 c型扣53，及一外蓋54。 參閱圖3、4、7,該連接件51為中空筒狀並具有一接 近該油氣分離閥2的大孔徑段511、,與該大孔徑段511連 接並遠離該油氣分離閥2的小孔徑段512、一外表面513、 一形成於該外表面513的外螺紋部514 ,及一内表面515。 該連接件51的内表面515具有一位於該大孔徑段511 的大孔徑部516、一位於該小孔徑段512且孔徑小於該大孔 徑部516的小孔徑部517、一位於該小孔徑段512且分別連 201243184 接該大孔徑部516與該小孔徑部517的肩部518，及一形成 於該大孔徑部516上的内螺紋部519。該連接件51透過該 外螺紋部514螺接於該缸管i的内螺紋部i 2。 參閱圖3 ' 5、7 ’該連接桿52穿設於該連接件51，並 具有一定位於該連接件51的小孔徑段512的固定部521、 一自該固定部521朝該油氣分離閥2延伸的卡制部524，及 -與該卡制部524連接的擋板部525，該連接桿52的卡制 524的截面呈六角形，該連接桿52的固定部521具有一 :形凹槽522及一開孔523，該開孔523朝向相反於該連接 才干52的擋板部525的方向，且該開孔⑵的截面呈六角形 〇 參閱圖3、7 ’該C型扣53扣設於該環形凹槽並抵 、:該連接件51的小孔徑段512 ’藉此防止該連接桿52朝接 =油氣分離閥2的方向移動，該連接桿52的卡制部似 離=連Γ51的肩部518,藉此防止該連接桿52朝遠 :該油氣：離間2的方向移動，如此，該連接桿52的固定 ° 521被定位於該連接件51的小孔徑段512。 參閱圖2、3、7’該外蓋54與該連接件51螺接，並具 有-供該連接桿52的固定部521穿過的穿孔541。 參閱圖3、6、7’該調整件6具有一沿該轴線_ =接段61、-形成於該螺接段61上的外螺故部Μ、一 接於該螺接段61接近該油氣分離閥2的-端的調壓板63 、一貫穿該螺接段61及該調壓板6 板 穿孔Μ的内表面65,及一套彻=孔64、-環繞該 套&在該纏板63的⑽_ 201243184 該調整件6的穿孔“具有—第一 :第-穿孔部⑷連接的第二穿孔部⑷，該第一穿孔; 的控寬對應於該連接桿52的徑寬，使該連接 :地封閉該第一穿孔部⑷，該第二穿孔部⑷的 角形’且該第二穿孔部642的 部525的徑寬。 幻於該連接# 52的擋板 该連接桿52的卡制部524穿設於該穿孔料並卡制於 該調整件6的内表面65，該調整件6的外螺紋部Q料連 接件Η _螺㈣519螺接，旋動該連接桿52時會帶動 該調整件6旋動，該調整件6的螺接段61沿該連接件η 的内螺紋部519旋動並沿該卡制部524移動，該螺接段Η 移動連動該調壓板63移動，藉此，該調整件6調整該氣體 空間300的體積。 當受到外力時，該活塞單元3(見_ 會朝該油氣分離 閥2移動並擠壓油液’藉此產生一推力推動該油氣分離閥2 朝該調壓裝置4移動-壓縮距離並f縮該氣體空間3〇〇的 氣體。待外力消失後’即藉由氣體積蓄的復位力將該油氣 分離閥2推回原位。藉由調整該氣體空間3〇〇的體積，可 改變該氣體空間300内的氣壓，藉此調整避震器對應於外 力的抗力，抗力會隨著該氣體空間3〇〇内的氣壓增大或縮 小而對應地增大或縮小。由於抗力會對應於該氣體空間3〇〇 内的氣壓而改變，該壓縮距離亦會根據該氣體空間3〇〇的 氣壓增大或變小而對應地減少或增加，藉此，調整該氣體 空間300内的氣壓即可調整避震器的軟硬程度。 201243184 參閱圖7、8，當使用者需要調整該氣體空間300内的 氣壓時’，、要使用六角型板手（圖未示）透過該連接桿η的 開孔23 /σ第一方向旋動該連接桿52，即可透過該卡制 部524帶動該調整件6旋動，使該調整件6的螺接段61沿 該連接件51的内螺紋部519旋動，同時連動該調整件6沿 該連接桿52的卡制部524朝該油氣分離閥2移動，使該調 整件6從圖7所示的位置移動至如圖8所示的位置藉此 可縮小該氣體空間300的體積，使該氣體空間3〇〇内儲存 氣體之氣壓變大。 ，可以理解的是’亦可使該調整件6從圖8所示的位置 °復至如ϋ 7所不的位置以降低氣壓1要將該連接桿η 2-相反於該第-方向的第二方向旋動，即可帶動該調整 < 6朝該第二方向旋動’使該調整件6的螺接段61沿該 的内螺紋部519旋動，並連動該調整件6朝遠離該 番由氣分離間2的方向移動，使該調整件6從圖8所示的位 回復至如圖7所示的位置，藉此即可增加該氣體空間3〇〇 的體積，使該氣體空間3〇〇内儲存氣體之氣壓變小。 經由以上的說明’可再將本發明的優點歸納如下： 藉由旋動該連接桿52即可使該調整件6沿該軸線_ 動，使該調整件6調整該氣體空間3〇〇的體積，而 =儲存於該氣體空間卿的氣體氣虔的目的，藉此即能 變避震器内對應於外力的阻力的大小 避震特性。 更避震裔的 综上所述，透過該調麼裝置可調整該避震器的氣體内 8 201243184 壓，如此即能簡易改變避震器受到外力時的避震特性，使 用上相當便利，故確實能達成本發明之目的。 惟以上所述者，僅為本發明之較佳實施例而已，當不 能以此限定本㈣實施之範圍，即大驗本發㈣請專利 範圍及發明說明内容所作之簡單的等效變化與修飾 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 、圖1是本發明可調壓的避震器之較佳實施例的 視圖； °1剖 圖2是該較佳實施例的一調壓裝置的立體組合圖； 圖3是該調壓裝置的立體分解圖； 圖4是該調壓裝置的一連接件的剖視圖； 圖5是該調壓裝置的一連接桿的剖視圖； 圖6是該調壓裝置的一調整件的剖視圖； 圖7是該較佳實施例的一局部剖視示意圖；及 圖8.是類似於圖7的視圖，說明該調壓裝置 間的體積變小。 明空 201243184 【主要元件符號說明】 1…… —缸管 52••… •…連接桿 11 ·.·.· —内表面 521… •…固定部 12·.·.· •…内螺紋部 522… •…凹槽 13…… •…第一端 523… •…開孔 14…… •…第二端 524… 卡制σΡ 2 ....... •…油氣分離閥 525… •…擋板部 21…… •…本體 53 —C型扣 22…… _ ·概圈 54…… •…外蓋 〇 ...... C....... • · - - 士田 φίτ 74· J ...... ····’/古暴早兀 Ο ...... 调堂什 4 ....... •…調壓裝置 61…… •…螺接段 5 ....... •…連接單元 62…… •…外螺紋部 51…… •…連接件 63…… •…調壓板 511 ··· •…大孔徑段 64…… •…穿孔 512… …小孔徑段 641… •…第一穿孔部 513 ··.. —外表面 642… •…第二穿孔部 514 ··· •…外螺紋部 65…… —内表面 515 .... 66…… •…襯圈 516… •…大孔徑部 100… •…軸線 517 ··· …·小孔徑部 200… •…儲液空間 518 ·.·_ …·肩部 300… •…氣體空間 519 .... •…内螺紋部 10201243184 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a shock absorber', particularly to an adjustable pressure shock absorber. [Prior Art] A conventional shock absorber is provided in Taiwan Patent No. 327823, which includes a cylinder tube unit, an oil and gas separation valve, and a piston unit including a hollow outer tube. a tube having an opposite end and a second end, the oil and gas separation valve being axially movably mounted in the outer tube to define a gas space with the first end and defined between the second end A liquid space in which oil is stored, the piston unit is mounted in the outer tube and is movable up and down along the axis. ^ When the external force is applied, the piston unit will move downward and squeeze the oil to generate - the lower thrust pushes the oil and gas separation valve, and the oil and gas separation valve moves downward to compress the gas in the gas space to the gas pressure equal to the lower thrust However, the external force 4 loses the 'reset volume of the gas volume and can push the oil and gas separation back to the original position. The above action can achieve the effect of the shock absorber, but the conventional shock absorber has the following defects. : Since the volume of the gas space cannot be adjusted, it is impossible to change the shock absorber characteristics of the shock absorber by adjusting the gas space (4) air pressure, which is quite inconvenient in use. SUMMARY OF THE INVENTION Therefore, the object of the present invention is a shock absorber with an adjustable pressure of internal air pressure. That is, a shock absorber can be provided. 201243184 Thus, the adjustable shock absorber of the present invention comprises a cylinder tube, an oil and gas knife off valve, a piston unit, and a waste disposing device. The cylinder tube surrounds an axis, a first end, and a second end. The oil and gas separation valve is mounted in the cylinder tube between the first end and the second end, and the oil and gas separation is movable along the axis. The piston unit is disposed at a first end of the cylinder tube and movable along the axis, and the piston unit cooperates with the oil and gas separation valve to define a liquid storage space in which oil is stored. The pressure regulating device is disposed at the second end of the cylinder tube, and the pressure regulating device cooperates with the oil and gas separation valve to define a sealed gas space, and the pressure regulating device can adjust the volume of the gas space. When subjected to an external force, the piston unit moves toward the oil and gas separation valve and compresses the oil 'by pushing the oil and gas separation valve to move a compression distance toward the pressure regulating device and compress the gas in the gas space until the external force disappears, that is, by The resetting force of the gas volume is pushed back to the original position, and the gas volume in the gas space can be changed by adjusting the volume of the gas space. The effect of the present invention is that the volume of the gas space can be adjusted by the pressure regulating device and the gas pressure of the gas stored in the gas space can be adjusted, so that the shock absorbing characteristics of the shock absorber can be adjusted, which is quite convenient in use. The above and other technical contents, features, and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments. Referring to FIG. 1 ', a preferred embodiment of the adjustable pressure shock absorber of the present invention comprises a red tube 1, an oil and gas separation valve 2, a piston unit 3, and a pressure regulating device 4 4 201243184. The cylinder tube 1 surrounds an axis 100 has an inner surface u, an internal threaded portion 12 (see circle 7) formed on the inner surface 11, a first end U, and a second end 14 opposite the first end 13. The oil and gas separation valve 2 is mounted in the cylinder bore and interposed between the first end 13 and the second end 14, and the oil and gas separation valve 2 is movable along the axis. The oil and gas separation (5) 2 & includes a body 21 and a collar 22 surrounding an outer surface of the body 21. The piston unit 3 is disposed at the first end 13 of the cylinder tube 1 and is movable along the axis 10G. The piston unit 3 cooperates with the oil and gas component (4) 2 to define a liquid storage space 200. The liquid storage space 200 is stored. Oil. The pressure regulating device 4 is disposed at the second end 14 of the red tube i, and includes a connecting unit 5 connected to the cylinder tube i and an adjusting member 6 connected to the connecting unit 5, the adjusting member 6 and the The connecting unit 5 and the oil and gas separation 2 cooperate to define a gas space, and the adjusting member 6 can move along the axis 1 ′ to thereby adjust the volume of the gas space 300. Referring to Figures 1, 2, and 3, the connection unit 5 of the pressure regulating agricultural unit 4 has a connecting member 51, a connecting rod 52, a c-shaped buckle 53, and an outer cover 54. Referring to Figures 3, 4 and 7, the connecting member 51 is hollow cylindrical and has a large aperture section 511 close to the oil and gas separation valve 2, and a small aperture section connected to the large aperture section 511 and away from the oil separation valve 2. 512, an outer surface 513, an external thread portion 514 formed on the outer surface 513, and an inner surface 515. The inner surface 515 of the connecting member 51 has a large aperture portion 516 located in the large aperture portion 511, a small aperture portion 517 located in the small aperture portion 512 and having a smaller aperture than the large aperture portion 516, and a small aperture portion 512 located in the small aperture portion 512. And connecting the large aperture portion 516 and the shoulder portion 518 of the small aperture portion 517 and the internal thread portion 519 formed on the large aperture portion 516, respectively, to 201243184. The connector 51 is screwed to the female screw portion i 2 of the cylinder tube i through the male screw portion 514. Referring to FIG. 3 ' 5, 7 ', the connecting rod 52 is disposed on the connecting member 51 and has a fixing portion 521 located at a small aperture portion 512 of the connecting member 51 , and a fixing portion 521 facing the oil and gas separation valve 2 . The extending portion 521 has a hexagonal shape, and the fixing portion 521 of the connecting rod 52 has a shape-shaped groove. The locking portion 524 of the connecting rod 52 has a hexagonal shape. 522 and an opening 523, the opening 523 is opposite to the direction of the baffle portion 525 of the connecting connector 52, and the opening (2) has a hexagonal cross section. Referring to FIG. 3, 7 'the C-shaped buckle 53 is fastened. In the annular groove, the small aperture section 512 ′ of the connecting member 51 prevents the connecting rod 52 from moving in the direction of the oil and gas separation valve 2, and the connecting portion of the connecting rod 52 is similar to the connecting port 51. The shoulder 518, thereby preventing the connecting rod 52 from facing away: the oil and gas: moving away from the space 2, such that the fixing 521 of the connecting rod 52 is positioned at the small aperture section 512 of the connecting member 51. Referring to Figures 2, 3, and 7', the outer cover 54 is screwed to the connector 51 and has a through hole 541 through which the fixing portion 521 of the connecting rod 52 passes. Referring to Figures 3, 6, and 7', the adjusting member 6 has a connecting portion 61 along the axis _ = a connecting portion 61 formed on the screwing portion 61, and a screwing portion 61 is adjacent to the screwing portion 61. a pressure regulating plate 63 at the end of the oil and gas separation valve 2, an inner surface 65 penetrating through the screwing portion 61 and the plate perforating plate of the pressure regulating plate 6, and a set of holes = holes 64, surrounding the sleeve & (10)_201243184 of the plate 63, the perforation of the adjusting member 6 has a second perforating portion (4) to which the first: first perforating portion (4) is connected, and the control width of the first perforating portion corresponds to the diameter of the connecting rod 52, so that Connection: the first perforated portion (4) is closed, the angular shape of the second perforated portion (4) and the diameter of the portion 525 of the second perforated portion 642. The baffle of the connecting rod 52 is blocked by the baffle of the connection #52 The portion 524 is disposed on the inner surface 65 of the adjusting member 6, and the external thread portion Q of the adjusting member 6 is screwed to the screw (four) 519. When the connecting rod 52 is rotated, the portion is driven. The adjusting member 6 is rotated, and the screwing portion 61 of the adjusting member 6 is rotated along the internal thread portion 519 of the connecting member η and moves along the locking portion 524. The screwing portion Η moves and moves the regulating plate 63 to move. borrow The adjusting member 6 adjusts the volume of the gas space 300. When an external force is applied, the piston unit 3 (see _ will move toward the oil-gas separation valve 2 and squeeze the oil) thereby generating a thrust to push the oil-gas separation valve 2 Moving to the pressure regulating device 4 - compressing the distance and reducing the gas in the gas space 3 。. After the external force disappears, the oil and gas separation valve 2 is pushed back to the original position by the resetting force of the gas volume. The volume of the gas space 3〇〇 can change the air pressure in the gas space 300, thereby adjusting the resistance of the shock absorber corresponding to the external force, and the resistance will correspondingly increase or decrease with the air pressure in the gas space 3〇〇. Increasing or decreasing. Since the resistance will change corresponding to the air pressure in the gas space 3〇〇, the compression distance will be correspondingly reduced or increased according to the gas pressure of the gas space 3〇〇 increasing or decreasing. The hardness of the shock absorber can be adjusted by adjusting the air pressure in the gas space 300. 201243184 Referring to Figures 7 and 8, when the user needs to adjust the air pressure in the gas space 300, a hexagonal wrench is used. Figure not shown) The opening 23 / σ of the connecting rod η rotates the connecting rod 52 in a first direction, so that the adjusting member 6 can be rotated through the engaging portion 524, so that the screwing portion 61 of the adjusting member 6 is along the connecting member. The internal thread portion 519 of the 51 is rotated, and the adjusting member 6 is moved along the engaging portion 524 of the connecting rod 52 toward the oil and gas separation valve 2, so that the adjusting member 6 is moved from the position shown in FIG. 7 to FIG. The position shown can thereby reduce the volume of the gas space 300, and increase the gas pressure of the gas stored in the gas space 3. It can be understood that the adjustment member 6 can also be moved from the position shown in FIG. °Return to the position of ϋ7 to lower the air pressure 1 to rotate the connecting rod η 2- opposite to the second direction of the first direction, then the adjustment can be driven < 6 to rotate in the second direction 'Rotating the screwing section 61 of the adjusting member 6 along the internal thread portion 519, and interlocking the adjusting member 6 to move away from the gas separating chamber 2, so that the adjusting member 6 is as shown in FIG. The position returns to the position shown in FIG. 7, thereby increasing the volume of the gas space 3〇〇, and storing the gas in the gas space 3〇〇 The air pressure becomes smaller. Through the above description, the advantages of the present invention can be further summarized as follows: by adjusting the connecting rod 52, the adjusting member 6 can be moved along the axis, so that the adjusting member 6 adjusts the volume of the gas space 3〇〇. And = the purpose of storing the gas gas in the gas space, whereby the shock absorbing characteristics corresponding to the resistance of the external force in the shock absorber can be changed. In view of the above-mentioned shock absorbers, the gas inside the shock absorber can be adjusted by the 2012-0418 pressure, so that the shock absorber characteristics of the shock absorber when the external force is applied can be easily changed, and the use is quite convenient. It is indeed possible to achieve the object of the invention. However, the above is only the preferred embodiment of the present invention, and the scope of the implementation of the fourth (4) is not limited thereto, that is, the simple equivalent of the patent scope and the description of the invention is modified. It is within the scope of the patent of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view of a preferred embodiment of an adjustable pressure shock absorber of the present invention; FIG. 2 is a perspective assembled view of a pressure regulating device of the preferred embodiment; Figure 4 is a cross-sectional view of a connecting member of the pressure regulating device; Figure 5 is a cross-sectional view of a connecting rod of the pressure regulating device; Figure 6 is an adjusting member of the pressure regulating device Figure 7 is a partial cross-sectional view of the preferred embodiment; and Figure 8. is a view similar to Figure 7 illustrating the reduced volume between the pressure regulating devices. Mingkong 201243184 [Description of main component symbols] 1...... - Cylinder tube 52••... •... Connecting rod 11 ····· — Inner surface 521... •...Fixed part 12·.····...Internal threaded part 522 ... •...groove 13... •...first end 523... •...opening 14... •...second end 524... card σΡ 2 ....... •...oil separation valve 525... Plate 21... •... Body 53 - C-type buckle 22... _ · Overview of the circle 54... •... Cover 〇... C....... • · - - Shida φίτ 74 · J ...... ····'/古暴早兀Ο ...... 调堂什4....... •...pressure regulating device 61... •... screwing section 5 ....... •...Connection unit 62... •...External threaded part 51...•...Connecting piece 63... •...pressure regulating plate 511 ···•...large aperture section 64... •...perforation 512 ... small aperture section 641... •...first perforated section 513 ··.. —outer surface 642...•...second perforated section 514 ····...external threaded section 65...-inner surface 515 .... 66 ...... •... Liner 516... •...large aperture 100... •...axis 517 ··· ... Small aperture 200 ... • ... reservoir space 518 · · · _ ... 300 ... • ... Shoulder gas space 519 .... • ... internally threaded portion 10