TWI605974B - Adjustable angle bicycle shock absorbers - Google Patents
Adjustable angle bicycle shock absorbers Download PDFInfo
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- TWI605974B TWI605974B TW105140295A TW105140295A TWI605974B TW I605974 B TWI605974 B TW I605974B TW 105140295 A TW105140295 A TW 105140295A TW 105140295 A TW105140295 A TW 105140295A TW I605974 B TWI605974 B TW I605974B
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- pivoting
- link member
- lower fork
- axis
- sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
- B62K2025/044—Suspensions with automatic adjustment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
- Vibration Dampers (AREA)
Description
本發明是有關於一種自行車之配件，特別是指一種可調角度的自行車避震裝置。 The invention relates to a bicycle accessory, in particular to an adjustable angle bicycle suspension device.
一般具有前避震功能的自行車，是將至少一前避震裝置安裝於一呈倒Y字型的前叉上，以使一前輪因路面巔簸而產生震動時，透過該前避震裝置可達到前輪避震及緩衝的目的(例如台灣證書號數第M526977、525317、522173號等專利案)。 Generally, a bicycle having a front suspension function is installed on at least one front suspension device on an inverted Y-shaped front fork, so that when a front wheel is vibrated due to road surface smashing, the front suspension device can be transmitted through the front suspension device. Achieve the purpose of front wheel suspension and buffering (for example, Taiwan certificate number No. M526977, 525317, 522173 and other patent cases).
另外，如圖1所示，現有一種具有前避震功能的自行車，該自行車包含一主車架1、一樞接於主車架1的前叉單元2及一安裝於該前叉單元2的前避震裝置3，該主車架1包括一車首管101，該前叉單元2包括一軸設於該車首管101的上管201、一連接於該上管201底部的下叉件202及一樞接於該下叉件202前方且呈倒L型的連桿件203，該連桿件203安裝有一前輪4。且該前避震裝置3連接於該下叉件202與該連桿件203頂部之間，主要是利用一彈簧301產生緩衝作用。 In addition, as shown in FIG. 1 , a bicycle having a front suspension function includes a main frame 1 , a front fork unit 2 pivotally connected to the main frame 1 , and a front fork unit 2 mounted to the front fork unit 2 . The front suspension unit 3 includes a vehicle head tube 101. The front fork unit 2 includes an upper tube 201 disposed on the front tube 101 and a lower fork member 202 connected to the bottom of the upper tube 201. And a link member 203 pivoted in front of the lower fork member 202 and having an inverted L shape, the link member 203 is mounted with a front wheel 4. The front suspension device 3 is connected between the lower fork member 202 and the top of the link member 203, and mainly uses a spring 301 to generate a buffering effect.
當該前前輪4因路面巔簸而產生震動時，會連動該連桿件203相對於該下叉件202產生樞轉，且使得該連桿件203的頂端相對於該下叉件202的頂端產生趨近，此時，利用該彈簧301的彈力即可達到緩衝作用。 When the front front wheel 4 vibrates due to road surface smashing, the link member 203 is pivoted relative to the lower fork member 202, and the top end of the link member 203 is opposite to the top end of the lower fork member 202. The approach is made, and at this time, the cushioning action can be achieved by the elastic force of the spring 301.
當震動力消除時，又可利用該彈簧301的彈力而使該連桿件203相對於該下叉件202產生反向樞轉。 When the vibration force is eliminated, the spring force of the spring 301 can be utilized to cause the link member 203 to pivot in a reverse direction relative to the lower fork member 202.
雖然這種前避震裝置3可產生緩衝避震之功能，但是由於在震動的瞬間，該連桿件203的頂端是相對於該下叉件202產生一圓弧軌跡的旋擺，則使得該彈簧301會被帶動而呈向上拱起狀，因此，震動力無法準確地傳達並對應於該彈簧301的軸向，所產生的避震緩衝效果會受到影響。 Although the front suspension device 3 can generate a shock absorber function, since the tip end of the link member 203 is a swing of a circular arc with respect to the lower fork member 202 at the moment of vibration, the The spring 301 is driven to be upwardly arched, and therefore, the vibration force cannot be accurately transmitted and corresponds to the axial direction of the spring 301, and the generated shock absorbing effect is affected.
因此，本發明之目的，即在提供一種可產生較佳避震緩衝效果之可調角度的自行車避震裝置。 Accordingly, it is an object of the present invention to provide a bicycle shock absorber having an adjustable angle that produces a better shock absorbing cushioning effect.
於是，本發明可調角度的自行車避震裝置，一自行車還包含一主車架及一樞接於該主車架的前叉單元，該主車架包括一車首管，該前叉單元包括一軸設於該車首管的上管、一連接於該上管的下叉件及一樞接於該下叉件的連桿件，該連桿件沿一前方向位於該下叉件一側，該避震裝置安裝於該下叉件與該連桿件之間，該避震裝置包含一緩衝單元及一樞轉接頭，該緩衝單元沿一軸線延 伸，並具有一第一端及一沿該軸線相反於該第一端的第二端，該第一端連接於該上管與該下叉件銜接處，該第二端具有一端面、一由該端面凹設的凹陷部、一設置於該凹陷部中且沿一垂直於該軸線的一中心線延伸的樞接部及一圍繞該中心線且形成於該凹陷部裏端的內凹弧面，該樞轉接頭連接於該連桿件頂部，並具有一沿該中心線設置且可轉動地供該樞接部樞設的樞轉部及一圍繞該中心線且呈外凸圓弧狀的樞轉面，該樞轉面可轉動地貼合於該內凹弧面，該連桿件帶動該樞轉接頭相對於該緩衝單元樞轉的方向，限制朝一相反於該前方向的後方向或朝該前方向產生樞轉，該連桿件帶動該樞轉接頭相對於該緩衝單元朝該後方向產生樞轉時，該下叉件與該連桿件頂端之間的距離變小，該連桿件帶動該樞轉接頭相對於該緩衝單元朝前方產生樞轉時，該下叉件與該連桿件頂端之間的距離變大。 Therefore, in the bicycle shock absorber of the adjustable angle of the present invention, a bicycle further includes a main frame and a front fork unit pivotally connected to the main frame, the main frame includes a front tube unit, and the front fork unit includes An upper tube disposed on the first tube of the vehicle, a lower fork member coupled to the upper tube, and a link member pivotally connected to the lower fork member, the link member being located on a side of the lower fork member in a front direction The shock absorber is installed between the lower fork and the link member, the shock absorber includes a buffer unit and a pivot joint, and the buffer unit extends along an axis Extendingly, and having a first end and a second end opposite to the first end, the first end is connected to the upper tube and the lower fork, the second end has an end surface, a a recessed portion recessed by the end surface, a pivoting portion disposed in the recessed portion and extending along a center line perpendicular to the axis, and a concave curved surface surrounding the center line and formed at an inner end of the recessed portion The pivot joint is connected to the top of the link member, and has a pivot portion disposed along the center line and rotatably pivoting the pivot portion, and a convex arc surrounding the center line a pivoting surface rotatably attached to the concave curved surface, the link member driving the pivoting joint in a direction of pivoting relative to the buffering unit, restricting to a rear opposite to the front direction The direction or the pivoting direction, the distance between the lower fork and the top end of the link member becomes smaller when the link member drives the pivot joint to pivot in the rear direction relative to the buffer unit When the link member drives the pivot joint to pivot forward relative to the buffer unit, the lower fork member and the lower fork member The distance between the tip of the link member becomes large.
本發明之功效在於：利用該樞轉接頭的樞轉面可轉動地貼合於該緩衝單元的內凹弧面，在震動產生時，該樞轉接頭可相對於該緩衝單元產生樞轉，且可使傳遞至該樞轉接頭的震動力對應於該緩衝單元的軸線延伸方向，且可達到較佳之避震效果。 The utility model has the advantages that the pivoting surface of the pivot joint is rotatably attached to the concave curved surface of the buffer unit, and the pivot joint can pivot relative to the buffer unit when vibration is generated. And the vibration force transmitted to the pivot joint can correspond to the axial extension direction of the buffer unit, and a better suspension effect can be achieved.
100‧‧‧主車架 100‧‧‧Main frame
110‧‧‧車首管 110‧‧ ‧ head tube
200‧‧‧前叉單元 200‧‧‧ front fork unit
210‧‧‧上管 210‧‧‧Upper tube
220‧‧‧下叉件 220‧‧‧ lower fork
230‧‧‧連桿件 230‧‧‧Connecting parts
300‧‧‧前輪 300‧‧‧ front wheel
10‧‧‧緩衝單元 10‧‧‧buffer unit
L‧‧‧軸線 L‧‧‧ axis
11‧‧‧第一套件 11‧‧‧ first kit
111‧‧‧第一端 111‧‧‧ first end
12‧‧‧第二套件 12‧‧‧ second kit
121‧‧‧第二端 121‧‧‧second end
122‧‧‧端面 122‧‧‧ end face
123‧‧‧凹陷部 123‧‧‧Depression
124‧‧‧樞接部 124‧‧‧ pivotal department
125‧‧‧內凹弧面 125‧‧‧ concave curved surface
13‧‧‧彈性件 13‧‧‧Flexible parts
L1‧‧‧中心線 L1‧‧‧ center line
20‧‧‧樞轉接頭 20‧‧‧ pivot joint
21‧‧‧樞轉部 21‧‧‧ pivoting department
22‧‧‧樞轉面 22‧‧‧ pivoting surface
F‧‧‧前方向 F‧‧‧Forehead
R‧‧‧後方向 R‧‧‧post direction
本發明之其他的特徵及功效，將於參照圖式的實施方式中清楚地呈現，其中： 圖1是現有一具有前避震功能的自行車一平面組合圖；圖2是本發明可調角度的自行車避震裝置一實施例的一立體安裝示意圖；圖3是該實施例的一局部立體放大示意圖；圖4是該實施例之一立體分解示意圖；圖5是該實施例之一局部剖面側視示意圖；圖6是圖5的局部放大示意圖；及圖7是該實施例之一避震狀態動作示意圖。 Other features and effects of the present invention will be apparent from the embodiments of the drawings, in which: 1 is a plan view of a bicycle having a front suspension function; FIG. 2 is a perspective view showing a three-dimensional installation of an adjustable angle bicycle shock absorber according to an embodiment of the present invention; FIG. 3 is a partial perspective view of the embodiment. 4 is a perspective exploded view of the embodiment; FIG. 5 is a partial cross-sectional side view of the embodiment; FIG. 6 is a partial enlarged view of FIG. 5; and FIG. 7 is a suspension state of the embodiment. Action diagram.
參閱圖2至圖4，本發明可調角度的自行車避震裝置之一實施例，一自行車還包含一主車架100及一樞接於該主車架100的前叉單元200，該主車架100包括一車首管110，該前叉單元200包括一軸設於該車首管110的上管210、一連接於該上管210的下叉件220及一樞接於該下叉件220的連桿件230，且一前輪300安裝於該連桿件230。該連桿件230沿一前方向F(即自行車正常的行進方向)位於該下叉件220一側，該避震裝置安裝於該下叉件220與該連桿件230之間，該避震裝置包含一緩衝單元10及一樞轉接頭20。 Referring to FIG. 2 to FIG. 4 , an embodiment of the adjustable angle bicycle suspension device of the present invention further includes a main frame 100 and a front fork unit 200 pivotally connected to the main frame 100. The main vehicle The rack 100 includes a head tube 110. The front fork unit 200 includes an upper tube 210 disposed on the head tube 110, a lower fork member 220 coupled to the upper tube 210, and a pivoting member 220. The link member 230 and a front wheel 300 are mounted to the link member 230. The link member 230 is located on a side of the lower fork member 220 along a front direction F (ie, a normal traveling direction of the bicycle), and the shock absorber is mounted between the lower fork member 220 and the link member 230. The device includes a buffer unit 10 and a pivot joint 20.
配合參圖5及圖6，該緩衝單元10沿一軸線L延伸，並具有一第一套件11、一沿該軸線L穿設於該第一套件11一側的第二套件12及一沿該軸線L設置且安裝於該第一套件11與該第二套件 12之間的彈性件13。該第一套件11呈中空管狀，並具有一第一端111，該第一端111連接於該上管210與該下叉件220銜接處。 5 and 6, the buffer unit 10 extends along an axis L, and has a first sleeve 11 , a second sleeve 12 disposed along the axis L on the side of the first sleeve 11 , and a The axis L is disposed and mounted to the first kit 11 and the second kit 12 between the elastic members 13. The first set 11 has a hollow tubular shape and has a first end 111 connected to the upper tube 210 and the lower fork 220.
該第二套件12呈中空管狀，該第二套件12與該第一套件11可沿該軸線L滑動且呈內外套設(本實施例的第二套件12沿該軸線L套設於該第一套件11外部)，並具有一相反於該第一端111的第二端121，該第二端121具有一垂直於該軸線L的端面122、一由該端面122朝該第一端111凹設且呈階級孔狀的凹陷部123、一設置於該凹陷部123中且沿一垂直於該軸線L的一中心線L1延伸的樞接部124及一圍繞該中心線L1且形成於該凹陷部123裏端的內凹弧面125。本實施例的樞接部124呈孔狀。 The second set 12 is hollow tubular, and the second set 12 and the first set 11 are slidable along the axis L and are internally jacketed (the second set 12 of the embodiment is sleeved along the axis L at the first The outer portion of the sleeve 11 has a second end 121 opposite to the first end 111. The second end 121 has an end surface 122 perpendicular to the axis L, and a recess is formed by the end surface 122 toward the first end 111. a recessed portion 123 having a class of holes, a pivot portion 124 disposed in the recess portion 123 and extending along a center line L1 perpendicular to the axis L, and a center portion L1 surrounding the center line L1 and formed in the recess portion The concave curved surface 125 at the inner end of 123. The pivoting portion 124 of this embodiment has a hole shape.
配合參圖5及圖6，該樞轉接頭20連接於該連桿件230頂部，並具有一沿該中心線L1設置且可轉動地供該樞接部124樞設的樞轉部21及一圍繞該中心線L1且呈外凸圓弧狀的樞轉面22，該樞轉面22可轉動地貼合於該內凹弧面125。且該連桿件230帶動該樞轉接頭20相對於該緩衝單元10樞轉的方向，限制朝一相反於該前方向F的後方向R或朝該前方向F產生樞轉。本實施例的樞轉部21呈軸桿狀。 Referring to FIG. 5 and FIG. 6, the pivot joint 20 is connected to the top of the link member 230, and has a pivoting portion 21 disposed along the center line L1 and rotatably pivoting the pivoting portion 124. A pivoting surface 22 surrounding the center line L1 and having an outwardly convex arc shape, the pivoting surface 22 is rotatably attached to the concave curved surface 125. And the link member 230 drives the pivoting joint 20 to pivot relative to the buffer unit 10, and restricts the pivoting direction toward the rear direction R opposite to the front direction F or toward the front direction F. The pivoting portion 21 of the present embodiment has a shaft shape.
當該前輪300因路面巔簸而產生震動時，會連動該連桿件230相對於該下叉件220產生旋擺，且使得該連桿件230的頂端相對於該下叉件220的頂端產生趨近，此時，該樞轉接頭20相對於該 緩衝單元10朝該後方向R產生樞轉，該下叉件220與該連桿件230頂端之間的距離變小，該緩衝單元10受到該連桿件230旋擺產生的分力作用，會對該緩衝單元10產生對應於該軸線L的壓掣力，使得該第二套件12沿該軸線L相對於該第一套件11滑動，該彈簧13被壓縮而蘊藏回釋彈力，即可達到緩衝作用(見圖7)。 When the front wheel 300 vibrates due to road surface flaws, the link member 230 is linked to the lower fork member 220 to generate a swing, and the top end of the link member 230 is generated relative to the top end of the lower fork member 220. Approaching, at this time, the pivot joint 20 is opposite to the The buffer unit 10 is pivoted toward the rear direction R, and the distance between the lower fork member 220 and the top end of the link member 230 is reduced, and the buffer unit 10 is subjected to the component force generated by the rotation of the link member 230. The buffer unit 10 generates a pressing force corresponding to the axis L, so that the second sleeve 12 slides relative to the first sleeve 11 along the axis L, and the spring 13 is compressed to store a rebound elastic force, thereby achieving buffering. Role (see Figure 7).
當震動力消除時，該連桿件230又會帶動該樞轉接頭20相對於該緩衝單元10朝該前方向F產生旋擺，該下叉件220與該連桿件230頂端之間的距離變大，即可再回復成圖5及圖6的狀態。 When the vibration force is eliminated, the link member 230 drives the pivot joint 20 to swing relative to the buffer unit 10 toward the front direction F, and between the lower fork member 220 and the top end of the link member 230. When the distance becomes larger, the state of FIG. 5 and FIG. 6 can be restored.
因此，利用本發明之可調角度的自行車避震裝置，可產生下列功效： Therefore, with the adjustable angle bicycle suspension device of the present invention, the following effects can be produced:
一、本發明相較於現有自行車的前避震裝置，在該連桿件230的頂端與該下叉件220的頂端距離相同的狀況下，本發明因為該樞轉接頭20的樞轉面22與該內凹弧面125位於該第二端121之端面122內側的作用，則可使得該緩衝單元10的可變行程較大，所產生的避震緩衝效果較好。 1. In the present invention, the pivoting surface of the pivot joint 20 is the same as the front shock absorber of the conventional bicycle in the case where the top end of the link member 230 is at the same distance from the top end of the lower fork member 220. The action of the concave curved surface 125 on the inner side of the end surface 122 of the second end 121 can make the variable stroke of the buffer unit 10 larger, and the shock absorbing effect is better.
二、利用該樞轉接頭20的樞轉面22與該內凹弧面125隱藏於該第二端121之端面122內側的作用，則不僅較為美觀，且水份、灰塵較不容易滲入於該樞轉面22與該內凹弧面125之間，可以確保該樞轉接頭20與該緩衝單元10產生順暢樞轉，且確保該緩衝單元10可正常運作。 2. The pivoting surface 22 of the pivot joint 20 and the inner concave curved surface 125 are hidden inside the end surface 122 of the second end 121, which is not only beautiful, but also moisture and dust are less likely to penetrate. Between the pivoting surface 22 and the concave curved surface 125, the pivot joint 20 and the buffer unit 10 can be smoothly pivoted, and the buffer unit 10 can be operated normally.
綜上所述，本發明可調角度的自行車避震裝置，利用該緩衝單元10與該樞轉接頭20的配合，不但可產生避震緩衝的作用，更可產生較好的避震緩衝效果，確實能達成本發明之目的。 In summary, the adjustable angle bicycle shock absorber of the present invention utilizes the cooperation of the buffer unit 10 and the pivot joint 20 to not only generate a shock absorber buffer function, but also generate a better shock absorber cushioning effect. It is indeed possible to achieve the object of the present invention.
惟以上所述者，僅為本發明之實施例而已，當不能以此限定本發明實施之範圍，凡是依本發明申請專利範圍及專利說明書內容所作之簡單的等效變化與修飾，皆仍屬本發明專利涵蓋之範圍內。 However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.
200‧‧‧前叉單元 200‧‧‧ front fork unit
220‧‧‧下叉件 220‧‧‧ lower fork
230‧‧‧連桿件 230‧‧‧Connecting parts
10‧‧‧緩衝單元 10‧‧‧buffer unit
L‧‧‧軸線 L‧‧‧ axis
11‧‧‧第一套件 11‧‧‧ first kit
111‧‧‧第一端 111‧‧‧ first end
12‧‧‧第二套件 12‧‧‧ second kit
121‧‧‧第二端 121‧‧‧second end
122‧‧‧端面 122‧‧‧ end face
123‧‧‧凹陷部 123‧‧‧Depression
124‧‧‧樞接部 124‧‧‧ pivotal department
125‧‧‧內凹弧面 125‧‧‧ concave curved surface
13‧‧‧彈性件 13‧‧‧Flexible parts
L1‧‧‧中心線 L1‧‧‧ center line
20‧‧‧樞轉接頭 20‧‧‧ pivot joint
21‧‧‧樞轉部 21‧‧‧ pivoting department
22‧‧‧樞轉面 22‧‧‧ pivoting surface
F‧‧‧前方向 F‧‧‧Forehead
R‧‧‧後方向 R‧‧‧post direction
Claims (2)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105140295A TWI605974B (en) | 2016-12-06 | 2016-12-06 | Adjustable angle bicycle shock absorbers |
| CN201710066147.4A CN108146570A (en) | 2016-12-06 | 2017-02-06 | Angle adjustable shock-proof device for bicycle |
| CN201720111255.4U CN206552195U (en) | 2016-12-06 | 2017-02-06 | Angle adjustable shock-proof device for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105140295A TWI605974B (en) | 2016-12-06 | 2016-12-06 | Adjustable angle bicycle shock absorbers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TWI605974B true TWI605974B (en) | 2017-11-21 |
| TW201821323A TW201821323A (en) | 2018-06-16 |
Family
ID=60010086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW105140295A TWI605974B (en) | 2016-12-06 | 2016-12-06 | Adjustable angle bicycle shock absorbers |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN206552195U (en) |
| TW (1) | TWI605974B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI605974B (en) * | 2016-12-06 | 2017-11-21 | Pacific Cycles Inc | Adjustable angle bicycle shock absorbers |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828089U (en) * | 1981-08-17 | 1983-02-23 | 本田技研工業株式会社 | Motorcycle front wheel shock absorber |
| DE4313832A1 (en) * | 1993-04-28 | 1994-11-03 | Markus Riese | Foldable bicycle frame |
| KR20100113239A (en) * | 2009-04-13 | 2010-10-21 | 윤석원 | The electric bicycle having a transmission on front wheel driven by a motor |
| FR2962970B1 (en) * | 2010-07-22 | 2014-10-31 | Vincent Lavabre | VEHICLE FRONT TRAIN DEVICE WITH SINGLE DIRECTIONAL FRONT WHEEL, AND VEHICLE PROVIDED WITH SUCH FRONT TRAIN DEVICE |
| CN104443206A (en) * | 2014-11-18 | 2015-03-25 | 天津富士达自行车有限公司 | Bicycle oscillating bar type suspension fork assembly |
| TWI605974B (en) * | 2016-12-06 | 2017-11-21 | Pacific Cycles Inc | Adjustable angle bicycle shock absorbers |
-
2016
- 2016-12-06 TW TW105140295A patent/TWI605974B/en active
-
2017
- 2017-02-06 CN CN201720111255.4U patent/CN206552195U/en active Active
- 2017-02-06 CN CN201710066147.4A patent/CN108146570A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| TW201821323A (en) | 2018-06-16 |
| CN108146570A (en) | 2018-06-12 |
| CN206552195U (en) | 2017-10-13 |
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