1260287 九、發明說明： 【發明所屬之技術領域】 本發明係與安全帶有關，特別是指一種安全帶緩衝裝 5【先前技術】 a 了賴汽車上的乘客，汽車内料f裝設了眾多安 • ^防護裝置’例如潰縮式車體、安全帶、安全氣囊等等， 全料但是料f遍的防魏置，並且是保護乘 *的第-道防線；常見的三點式安全帶結構，主要是利用 二，固疋點分別固^住安全帶，三個岐點分別位於乘客 6椅=側之下方位置，以及相對於乘額部之上方位置， 安王π經由上述各固定點固定時，安全帶可分別繞過乘客 ， 的骨盆以及_位置，使得汽車在發生碰撞事故時，乘客 彳被*全▼穩固地束缚在座椅上，不會受汽車移動所產生 15 $慣性力所帶動，減少乘客撞擊到方向盤或是稽風玻璃的 零 機會。 士然而，若是汽車在高速行駛的狀態下發生碰撞事故 ^由於車在碰撞瞬間所產生的慣性力較大，讓乘客作 用在t王f的衝擊力pmpact F〇rce)亦較大，相對地使固定 2〇住=安全帶產生較大的反作用力施加於乘客，進而容易造 、 成貪全▼勒緊乘客，甚至發生傷害乘客的情形。 【發明内容】 因此，本發明之主要目的乃在於提供一種安全帶緩衝 4 1260287 ，置，其可減緩安全帶施加於汽車乘客的反作用力，使乘 • 客較不易被安全帶所傷害。 ‘ 為達成前揭目的，本發明所提供之安全帶緩衝裝置， 包含有一基座'一滾輪、一牽引繩，以及一彈性件；該基 5座内部具有一容置空間，該基座於該容置空間設有至少一 齒條，各該齒條具有一第一端以及一第二端；該滾輪具有 一滾轴以及一嚙合部，該滾輪係可移動地設於該基座之容 置空間，使該嚙合部與各該齒條相互嚙合；該牽引繩一端 設於該滾轴，另一端設於上述之安全帶，當該安全帶受到 10預疋里之衝擊力拉扯，進而帶動該牽引繩時，該牵引繩係 帶動該滾輪沿各該齒條朝各該第一端滾動，並使該牽引繩 捲收於該滚轴；而該彈性件設於該基座與該滾輪之間，該 彈性件之彈力係將該滾輪朝各該齒條之第二端拉動，藉 此，該安全帶所受到之部分衝擊力即可轉為對該彈性件作 I5功，並且達到消耗該衝擊力之效果，使安全帶施加於乘客 • 之反作用力減少，乘客較不容易被安全帶所傷害。 【實施方式】 以下，茲配合圖式舉二較佳實施例，用以對本發明與 2〇功效作詳細說明，其中所用各圖式之簡要說明如下： 第一圖係本發明第一較佳實施例之立體組合圖； 第二圖係第一圖中2-2剖線之剖視圖； • 第三圖係第一圖中3-3剖線之剖視圖； 第四圖係本發明第一較佳實施例之示意圖，主要顯示 5 1260287 基座内部之狀態，其中滾輪靠近於齒條之第二端； 第五及第六圖分別係為本發明第一較佳實施例之示音、 圖，主要顯示基座内部之狀態，其中滾輪靠近於齒條之第 一端； 5 第七圖係本發明第一較佳實施例之示意圖，主要顯示 基座安裝於汽車前座之狀態； — 第八圖係本發明第一較佳實施例之示意圖，主要顯示 基座安裝於汽車後座之狀態；以及 第九圖係類同於第三圖，主要顯示本發明第二較佳實 10 施例之剖視圖。 請參閱第一至第四圖所示，係為本發明第一較佳實施 例所提供之安全帶緩衝裝置(1)，安全帶緩衝裝置(1)包含有 一基座(10)、一支撐件(30)、一滾輪(40)、一牽引繩(50)，以 及一彈性件(52)。 15 該基座(10)具有一底板(11)、一頂板(12)、一前板(13)、 一後板(14)，以及二側板(15)，藉以使基座(1〇)内部形成出 -容置空間(16);前板⑽具有二穿孔(17)，二側板(15)於對 應容置空間（16)之板面分別設有一沿前後向延伸之直線狀 導槽(19)，底板(11)於對應容置空間⑽之板面設有二齒條 2〇 (20)，各齒條(20)具有一第一端(22)以及一第二端(％)，基座 (10)於二側姉5)之間設有一定位部(26)，定位部(26)係位 二導槽（19)之上方。 ' 加該支撐件(3〇)具有一第一滾軸(31)、-概呈门形之第一 支架(32) ’以及―定位帅3)，第—絲(31)設於第一支架 6 1260287 (32)之一側間，定位軸(33)係穿設於第一支架(32)之二側及 第一滾軸(31)，定位軸(33)二端各具有一軸承(34);第一支 架(32)—端位於基座（1〇)之前板(13)外側，用以與一安全帶 (60)相互結合，第一支架(32)之二側穿設於前板(13)之各穿 5孔(17)，各轴承(34)則嵌設於基座(1〇)之各導槽(19)内，使支 撐件(30)可受安全帶(6〇)之拉扯而沿各導槽(19)位移，而轉 軸(31)可相對於第一支架(32)旋轉。 該滾輪(40)具有一第二滾軸(41)、一定位轴(42)，以及 一概呈门形之第二支架(43)，第二滾軸(41)二端分別具有一 ίο喃合部(44)，嚙合部(44)係為齒盤，第二滾軸(41)之直徑小 於嚙合部(44)之節圓直徑，第二支架(43)之二側分設於二嚙 合部(44)之外側，定位軸(42)穿設於第二支架(43)二側以及 第二滾軸(41)，第二滚轴定位軸(42)二端各具有一轴承 (45)，各軸承(45)係嵌設於基座(1〇)之各導槽(19)内，各嚙合 is部(44)與基座(1〇)之各齒條(2〇)相互嚙合，使滾輪(4〇)可沿各 導槽(19)以及各齒條(2〇)滾動，而第二滾軸(41)可相對於第 二支架(43)原地旋轉。 該牽引繩(50)—端係綁固於基座（10)之定位部(26)，牽 引繩(50)之身部則自定位部(26)繞經支撐件(30)之第一滾轴 2〇 (31)’並且沿第一滾軸(31)下方以及滾輪(4〇)之第二滚轴(41) 下方捲繞於第二滚軸(41)外周’牽引繩(5〇)之另一端則固設 於滚輪(40)之第二滾轴(41)。 該彈性件(52)係為拉伸彈簧，彈性件(52)—端穿固於後 板(14)’另一端則設於滾輪(4〇)之第二支架(43)，彈性件(52) 7 1260287 之彈力可拉動滾輪(40)朝各齒條(20)之第二端(24)滾動。 藉由上述結構，如第五及第六圖所示，當安全帶(6〇) 在瞬間所承受到的衝擊力（Impact Force)大於彈性件(52)本 身=彈力時，安全帶(60)係直接帶動支撐件(30)向外移動一 5微量=預定距離(該預定距離可依使用狀態而改變成不叹之 =移量）’並且藉由牽引繩(50)帶動滾輪(40)於各齒條(20)朝 第一端(22)之方向滾動，使牽引繩(5〇)捲收於第二滾轴 之外周，同時，當滾輪(4〇)朝第一端(22)滾動時，滾輪(4〇) 同步帶動彈性件(52)拉伸而形成滾輪(4〇)對彈性件(52)作功 1〇 (^Mrk)，使滾輪(4〇)之動能轉換成為彈性件(52)之彈性位 月巨’亦即形同於安全帶(6〇)承受到的部份衝擊力轉換為彈性 件(52)所作的功，當動能等於位能時，滾輪(4〇)即可停止移 動而形成平衡狀態，若是安全帶(6〇)所受到的 時，彈性件(52)則可藉由本身所具有之彈性位能對滚輪(4〇) I5作功，使滾輪(40)沿各齒條(2〇)朝第二端(24)移動至原始狀 態。 如第七圖所示，當基座(10)設於一汽車前座(62) 一侧之 下方位置時，基座⑽係以第一支架(32)朝上之方向與安全 帶(60)相互結合；當汽車受到碰撞，使乘坐於前座(62)之乘 2〇客瞬間拉扯安全帶(60)時，安全帶(6〇)受拉扯而帶動支撐件 (30)之第一支架(32)移動微量距離，支撐件(3〇)再藉由牽引 繩(50)帶動滾輪(40)及彈性件(52)，藉由上述彈性件(52)與滾 輪(4〇)相互之間的能量轉換’即可消耗掉安全帶(6〇)所^ 的部份衝擊力，進而減少安全帶(6〇)之張力，同時，當牽引 8 !260287 繩(50)帶動滾輪(40)作功，並且做較長距離之移動而捲收於 第二滾軸(41)時，安全帶(60)僅移動微量距離，安全帶(6〇) 仍能維持束缚與固定乘客的狀態；而如第八圖所示，基座(1〇) 可裝設於一汽車後座(64)，用以與設於後座(64)之安全帶(60) 5相互結合，使本發明亦具有保護後座乘客之效果。1260287 IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a seat belt, and more particularly to a seat belt cushioning device 5 [Prior Art] a passengers on a car, a plurality of automobile interior materials f are installed An · ^ protective device 'such as the collapsed body, seat belts, airbags, etc., all but the anti-Wei, and is the first line of defense protection * common three-point seat belt structure, Mainly using the second and the fixed point to fix the seat belt respectively, the three points are respectively located below the passenger's 6 chair = side, and relative to the upper position of the passenger part, when the king π is fixed by the above fixed points The seat belt can bypass the passenger's pelvis and _ position, respectively, so that in the event of a collision, the passenger's shackle is firmly and firmly restrained on the seat, and is not driven by the inertial force generated by the movement of the car. To reduce the chance of passengers hitting the steering wheel or the windshield. However, if the car is in a state of high-speed collision, the collision force will occur. Because the inertial force generated by the car at the moment of collision is large, the impact force (pmpact F〇rce) of the passenger acting on the t-f is also relatively large. Fixed 2 = = = seat belt produces a large reaction force applied to the passengers, which makes it easy to build, greedy, tighten the passengers, and even hurt the passengers. SUMMARY OF THE INVENTION Accordingly, it is a primary object of the present invention to provide a seat belt cushioning 4 1260287 that reduces the reaction force that a seat belt exerts on a passenger of a vehicle, making the passenger less susceptible to being damaged by the seat belt. The safety belt cushioning device provided by the present invention comprises a base 'a roller, a traction rope, and an elastic member; the base 5 has an accommodation space therein, and the base is The accommodating space is provided with at least one rack, each of the racks has a first end and a second end; the roller has a roller and an engaging portion, and the roller is movably disposed on the pedestal a space for engaging the meshing portion with each of the racks; the one end of the traction rope is disposed on the roller shaft, and the other end is disposed on the seat belt, and the seat belt is pulled by the impact force in the 10 preload, thereby driving the belt When the rope is towed, the traction rope drives the roller to roll along each of the racks toward the first ends, and the traction rope is wound around the roller; and the elastic member is disposed between the base and the roller. The elastic force of the elastic member pulls the roller toward the second end of each of the racks, whereby a part of the impact force received by the seat belt can be converted into I5 work for the elastic member, and the impact is consumed. The effect of force, so that the seat belt is applied to the passengers Force reduction, passengers are less likely to be hurt by a seat belt. [Embodiment] Hereinafter, the preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings, in which: FIG. 3 is a cross-sectional view taken along line 2-2 in the first figure; • the third drawing is a cross-sectional view taken along line 3-3 in the first figure; and the fourth drawing is a first preferred embodiment of the present invention. The schematic diagram of the example mainly shows the state of the interior of the base of the 5 1260287, wherein the roller is close to the second end of the rack; the fifth and sixth figures are respectively the sound and the figure of the first preferred embodiment of the present invention, and the main display is a state inside the pedestal, wherein the roller is close to the first end of the rack; 5 is a schematic view of the first preferred embodiment of the present invention, mainly showing the state in which the pedestal is mounted on the front seat of the automobile; A schematic view of the first preferred embodiment of the invention mainly shows a state in which the base is mounted on the rear seat of the automobile; and a ninth drawing is similar to the third figure, mainly showing a cross-sectional view of the second preferred embodiment of the present invention. Referring to the first to fourth figures, the present invention provides a seat belt cushioning device (1) according to a first preferred embodiment of the present invention. The seat belt cushioning device (1) includes a base (10) and a support member. (30), a roller (40), a traction rope (50), and an elastic member (52). 15 The base (10) has a bottom plate (11), a top plate (12), a front plate (13), a rear plate (14), and two side plates (15), thereby making the base (1〇) interior Forming a accommodating space (16); the front plate (10) has two through holes (17), and the two side plates (15) are respectively provided with a linear guide groove extending in the front-rear direction on the plate surface of the corresponding accommodating space (16). The bottom plate (11) is provided with two racks 2 (20) on the surface of the corresponding accommodating space (10), and each rack (20) has a first end (22) and a second end (%). A seat (10) is disposed between the two sides 姊 5), and the positioning portion (26) is above the two guide grooves (19). 'Adding the support member (3〇) has a first roller (31), a first door-shaped first bracket (32) 'and a positioning handsome 3), and the first wire (31) is disposed on the first bracket 6 1260287 (32) One side, the positioning shaft (33) is disposed on two sides of the first bracket (32) and the first roller (31), and the positioning shaft (33) has a bearing at each end (34) The first bracket (32) is disposed outside the front plate (13) of the base (1) for engaging with a seat belt (60), and the two sides of the first bracket (32) are disposed on the front plate (13) each of the 5 holes (17), each bearing (34) is embedded in each of the guide grooves (19) of the base (1), so that the support member (30) can be protected by a seat belt (6〇) The pull is displaced along each of the guide grooves (19), and the rotating shaft (31) is rotatable relative to the first bracket (32). The roller (40) has a second roller (41), a positioning shaft (42), and a second bracket (43) having a gate shape, and the two ends of the second roller (41) respectively have a λ In the portion (44), the engaging portion (44) is a toothed disc, the diameter of the second roller (41) is smaller than the pitch diameter of the engaging portion (44), and the two sides of the second bracket (43) are respectively disposed at the two meshing portions. (44) On the outer side, the positioning shaft (42) is disposed on two sides of the second bracket (43) and the second roller (41), and each of the second roller positioning shafts (42) has a bearing (45). Each of the bearings (45) is embedded in each of the guide grooves (19) of the base (1), and the meshing iss (44) and the racks (2) of the base (1) are meshed with each other. The roller (4 turns) is rotatable along each of the guide grooves (19) and the respective racks (2), and the second roller (41) is rotatable in situ relative to the second bracket (43). The traction rope (50)-end is fastened to the positioning portion (26) of the base (10), and the body of the traction rope (50) is firstly rolled from the positioning portion (26) around the support member (30). The shaft 2〇(31)' and wound under the first roller (31) and below the second roller (41) of the roller (4〇) are wound around the outer circumference of the second roller (41)' traction rope (5〇) The other end is fixed to the second roller (41) of the roller (40). The elastic member (52) is a tension spring, and the elastic member (52) is end-mounted on the rear plate (14), and the other end is disposed on the second bracket (43) of the roller (4〇), and the elastic member (52) ) 7 1260287 The elastic force pulls the roller (40) toward the second end (24) of each rack (20). With the above structure, as shown in the fifth and sixth figures, when the seat belt (6〇) receives the impact force (the impact force) in an instant is greater than the elastic member (52) itself = the elastic force, the seat belt (60) Directly driving the support member (30) to move outward by a small amount of 5 = predetermined distance (the predetermined distance can be changed according to the use state to a non-slipping = shift amount) and drive the roller (40) by the traction rope (50) Each rack (20) rolls toward the first end (22), so that the leash (5〇) is wound around the outer circumference of the second roller, and at the same time, when the roller (4〇) rolls toward the first end (22) At the same time, the roller (4〇) synchronously drives the elastic member (52) to stretch to form a roller (4〇) to work on the elastic member (52) 1^(^Mrk), so that the kinetic energy of the roller (4〇) is converted into an elastic member. (52) The elastic position of the moon is the same as that of the seat belt (6〇). The part of the impact force is converted into the work done by the elastic member (52). When the kinetic energy is equal to the potential energy, the roller (4〇) The movement can be stopped to form an equilibrium state. If the seat belt (6〇) is received, the elastic member (52) can work on the roller (4〇) I5 by its own elastic position energy to make the roller ( 40) along each rack (2 ) Towards the second end (24) to the original state. As shown in the seventh figure, when the base (10) is disposed at a position below the side of the front seat (62) of the automobile, the base (10) is mutually opposed to the seat belt (60) with the first bracket (32) facing upward. When the car is bumped, the seat belt (60) is pulled by the passenger in the front seat (62), and the seat belt (6) is pulled to drive the first bracket (32) of the support member (30). Moving a small distance, the support member (3〇) drives the roller (40) and the elastic member (52) by the traction rope (50), and the energy conversion between the elastic member (52) and the roller (4〇) 'You can consume part of the impact force of the seat belt (6〇), thereby reducing the tension of the seat belt (6〇), and at the same time, when the traction 8!260287 rope (50) drives the roller (40) to work, and When moving over a longer distance and retracting on the second roller (41), the seat belt (60) only moves a small distance, and the seat belt (6〇) can maintain the state of restraint and fixed passengers; As shown, the base (1〇) can be mounted on a rear seat (64) of the vehicle for coupling with the seat belt (60) 5 provided on the rear seat (64), so that the present invention also protects the rear seat passenger. The effect.
Ur* 藉此’本發明即可減缓安全帶施加於汽車乘客的反作 用力，使乘客較不易被安全帶所傷害。 另外，上述之彈性件亦可改以橡膠塊或是避震器取 代’同樣皆可達到本發明之發明目的。 如第九圖所示’係為本發明第二較佳實施例所提供之 安全帶緩衝裝置，其組成構件與第一較佳實施例大致相 同，包含有一基座(71)、一滾輪(72)、一牽引繩(73)，以及 一彈性件(74);特點在於：滾輪(72)之第二滚軸(75)外徑大 於嚙合部(76)之外徑，牽引繩(73)一端設於第二滾轴(75)， ^端則穿出基座(71)，並且與一安全帶(圖中未示)相互結 合，而彈性件(74)則為避震器；當安全帶所受到之衝擊力拉 動牽引繩C73)向外移動時，滚輪(72)亦可沿基座(71)之齒條 =7)移動’並且對彈性件(74)作功，使彈性件(74)呈壓縮狀 如入错此同樣可達到消耗安全帶之部分衝擊力，減緩安 〇王▼之反作用力，以及讓使用者不易受到傷害的目的。 9 1260287 【圖式簡單說明】 第一圖係本發明第一較佳實施例之立體組合圖； 第二圖係第一圖中2_2剖線之剖視圖； 第二圖係第一圖中3-3剖線之剖視圖； 第四圖係本發明第一較佳實施例之示意圖，主要邋系 基座内部之狀態，其中滾輪靠近於齒條之第二端； 第五及第六圖分別係為本發明第一較佳實施例之系意 圖:主要顯示基座内部之狀態，其中滾輪靠近於齒條之第 ίο 第七圖係本發明第一較佳實施例之示意圖，±职 基座安裝於汽車前座之狀態； 第八圖係本發明第一較佳實施例之示意圖，主一 基座安裝於汽車後座之狀態；以及 顯不 較佳實 弟九圖係類同於第三圖，主要顯示本發明第一 15 施例之剖視圖。 1260287 【主要元件符號說明】 • 10基座 . 13前板 16容置空間 5 19導槽 24第二端 31第一滚軸 34轴承 42定位轴 ίο 45轴承 60安全帶 71基座 74彈性件 77齒條 • 11底板 12頂板 14後板 15側板 17穿孔 20齒條 22第一端 26定位部 30支撐件 32第一支架 33定位軸 40滚輪 41第二滾轴 43第二支架 44喃合部 50牽引繩 52彈性件 62前座 64後座 72滾輪 73牵引繩 75第二滾軸 76嚙合部 11By this invention, the invention can alleviate the reaction force exerted by the seat belt on the passengers of the vehicle, making the passenger less vulnerable to being hit by the seat belt. Further, the above-mentioned elastic member may be replaced by a rubber block or a shock absorber to achieve the object of the present invention. As shown in the ninth embodiment, a seat belt cushioning device according to a second preferred embodiment of the present invention has substantially the same components as the first preferred embodiment, and includes a base (71) and a roller (72). a traction rope (73), and an elastic member (74); characterized in that the outer diameter of the second roller (75) of the roller (72) is larger than the outer diameter of the meshing portion (76), and one end of the traction rope (73) Set on the second roller (75), the ^ end passes through the base (71), and is combined with a seat belt (not shown), and the elastic member (74) is a shock absorber; when the seat belt When the impact force is pulled to pull the traction rope C73) outward, the roller (72) can also move along the rack of the base (71) = 7) and work on the elastic member (74) to make the elastic member (74) If it is compressed, if it is wrong, it can also achieve part of the impact of the seat belt, slow down the reaction force of the Anzhen Wang, and make the user less vulnerable. 9 1260287 [Simplified description of the drawings] The first drawing is a three-dimensional combination diagram of the first preferred embodiment of the present invention; the second drawing is a sectional view taken along line 2-2 in the first figure; the second drawing is 3-3 in the first figure. A cross-sectional view of a first embodiment of the present invention, the main embodiment of which is the state of the interior of the base, wherein the roller is adjacent to the second end of the rack; the fifth and sixth figures are respectively The first preferred embodiment of the invention is intended to mainly show the state of the interior of the base, wherein the roller is adjacent to the seventh embodiment of the rack, and the schematic diagram of the first preferred embodiment of the present invention is installed on the vehicle. The state of the front seat; the eighth figure is a schematic view of the first preferred embodiment of the present invention, the main pedestal is installed in the state of the rear seat of the automobile; and the display is similar to the third figure, mainly showing A cross-sectional view of a first fifteenth embodiment of the invention. 1260287 [Main component symbol description] • 10 base. 13 front plate 16 accommodating space 5 19 guide groove 24 second end 31 first roller 34 bearing 42 positioning shaft ίο 45 bearing 60 seat belt 71 base 74 elastic member 77 Rack • 11 bottom plate 12 top plate 14 rear plate 15 side plate 17 perforation 20 rack 22 first end 26 positioning portion 30 support member 32 first bracket 33 positioning shaft 40 roller 41 second roller 43 second bracket 44 merging portion 50 Traction rope 52 elastic member 62 front seat 64 rear seat 72 roller 73 traction rope 75 second roller 76 meshing portion 11