TW201927431A - Pipe bender structure capable of achieving multi-stage operation and saving force - Google Patents
Pipe bender structure capable of achieving multi-stage operation and saving force Download PDFInfo
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Abstract
Description
本發明係有關於手工具相關技術領域,特別是指一種省力之彎管器結構。 The invention relates to the technical field related to hand tools, in particular to a labor-saving pipe bender structure.
習知彎管器之技藝,如我國專利公告第M487634號前案,由前案內容揭示主要於一第一手柄的一端設有一置管座,並藉由一固定柱將一彎管盤結合於第一手柄上,其中該彎管盤的周緣係設有一彎管槽,且藉由兩結合元件使彎管盤及一作動塊分別與一連接桿相樞設結合,該作動塊上設有數個棘齒,另設有一第二手柄,該第二手柄上設有一可與各棘輪相卡合的卡掣座,且藉由第二手柄卡掣座與作動塊各棘齒的卡合,而形成一可多段操作之彎管器者。 The skill of the conventional pipe bender, as disclosed in the Chinese Patent Publication No. M487634, is disclosed in the previous case. A tube seat is mainly provided at one end of a first handle, and a bent disk is coupled to the body by a fixing column. The first handle is provided with an elbow groove on the periphery of the elbow plate, and the elbow plate and an actuating block are respectively pivotally coupled with a connecting rod by two coupling elements, and the actuating block is provided with several The ratchet is further provided with a second handle, and the second handle is provided with a latch seat engageable with each ratchet wheel, and is formed by the engagement of the second handle latch seat and the ratchet teeth of the actuating block. A bender that can operate multiple segments.
習知前案第二手柄之卡掣座與作動塊,係利用卡掣座上之長條型的滑孔,提供卡掣座可跨越作動塊之棘齒(僅兩個),提供第二手柄之卡掣座可選性的對應不同棘齒(前或後)形成卡合。 The card holder and the actuating block of the second handle of the prior case are provided by the long-type sliding hole on the cassette seat, and the ratchet seat can span the ratchet of the actuating block (only two), and the second handle is provided. The card seat is optional and the different ratchets (front or rear) are formed to form a snap.
由於習知前案第二手柄之卡掣座,係利用長條型滑孔,將卡掣座錯位達成卡合不同棘齒之手段,存由以下缺失: Because of the conventional handle of the second handle, the use of the long slide hole, the card seat is misaligned to achieve the different ratchets, the following is missing:
1.使用者必需將第二手柄扳動到預設位置後,才能透過滑孔來選擇不同之棘齒卡合,導致使用者施力上的不便。 1. The user must move the second handle to the preset position before the different ratchets can be selected through the sliding hole, resulting in inconvenience to the user.
2.透過長條型滑孔來調整卡掣座相對作動塊之間 隙,導致夾持待加工管件之力道降低,使得待加工管件形成滑移,會讓待加工管件彎曲度無法連續。 2. Adjust the gap between the cassette and the actuator through the long slide hole The gap causes the force of holding the pipe to be processed to be reduced, so that the pipe to be processed is slipped, and the bending of the pipe to be processed cannot be continuous.
3.透過長條型滑孔來調整卡掣座相對作動塊之間隙;過程中,使用者需對第二手柄施予相異於扳動方向之力量,方能調整卡掣座相對作動塊之間隙。故使用者需單手對彎管器及待加工管件扶持(握提),另一隻手才能對第二手柄施力,造成使用者調整過程中的麻煩與不便(不順手)。 3. Adjust the gap between the cassette seat and the actuating block through the long slide hole; during the process, the user needs to apply the force different from the pulling direction to the second handle to adjust the relative movement block of the cassette seat. gap. Therefore, the user needs to support the pipe bender and the pipe to be processed with one hand (grip), and the other hand can apply force to the second handle, causing trouble and inconvenience (not easy) in the adjustment process of the user.
4.前案之結構,對於習慣使用右手施力之使用者,或許可方便進行施力。但對習慣左手施力之使用者而言,前案之結構則會形成不便。 4. The structure of the previous case is for the user who is accustomed to using the right hand, or permission to apply force. However, for users who are used to the left hand, the structure of the previous case may be inconvenient.
有鑑於上述習知技藝之問題與缺失,本發明之主要目的,就是在於利用結構之設計,方便使用者對管件進行彎曲。 In view of the above problems and deficiencies of the prior art, the main object of the present invention is to utilize the design of the structure to facilitate the bending of the pipe member by the user.
根據本發明上述目的,提出一種彎管器結構,其包括一第一手柄、一固設於第一手柄之彎管盤、一與第二手柄樞接之作動塊、及一樞接彎管盤及作動塊之連接桿;其特徵在於:一設於作動塊上之棘齒列、及一與棘齒列互動且設於第二手柄之單向卡掣組。藉由上述構件之組成,達成多段操作且能節省施力之彎管器者。 According to the above object of the present invention, a pipe bender structure includes a first handle, a bent disk fixed to the first handle, an actuating block pivotally connected to the second handle, and a pivoting bent disk And a connecting rod of the actuating block; characterized by: a ratchet row disposed on the actuating block; and a unidirectional cassette group interacting with the ratchet row and disposed on the second handle. By means of the above-mentioned components, a pipe bender that achieves a multi-stage operation and can save the force is realized.
10‧‧‧第一手柄 10‧‧‧First handle
12‧‧‧置管座 12‧‧‧tube holder
14‧‧‧置管槽 14‧‧‧tube slot
16‧‧‧固定孔 16‧‧‧Fixed holes
20‧‧‧彎管盤 20‧‧‧Bender tray
22‧‧‧鎖接截面 22‧‧‧Lock section
24‧‧‧彎管槽 24‧‧‧Bending groove
26‧‧‧結合孔 26‧‧‧Combination hole
28‧‧‧連接孔 28‧‧‧Connection hole
30‧‧‧連接桿 30‧‧‧ Connecting rod
40‧‧‧作動塊 40‧‧‧ actuation block
41‧‧‧樞設孔 41‧‧‧ pivot hole
42‧‧‧作動槽 42‧‧‧ actuation slot
43‧‧‧內樞孔 43‧‧‧Internal hole
44‧‧‧棘齒列 44‧‧‧ ratchet column
45‧‧‧扭力彈簧 45‧‧‧Torque spring
50‧‧‧第二手柄 50‧‧‧ second handle
52‧‧‧卡掣座 52‧‧‧Calé
54‧‧‧外樞孔 54‧‧‧ external arm hole
61‧‧‧容置槽 61‧‧‧ accommodating slots
62‧‧‧剖槽 62‧‧‧ slotting
63‧‧‧彈性元件 63‧‧‧Flexible components
64‧‧‧棘舌 64‧‧‧thorn
65‧‧‧環套 65‧‧‧
70‧‧‧管狀元件 70‧‧‧Tubular components
A1‧‧‧第一結合元件 A1‧‧‧ first bonding element
A2‧‧‧第二結合元件 A2‧‧‧Second bonding element
A4‧‧‧插銷 A4‧‧‧Tram
第1圖 係本發明彎管器結構立體示意圖。 Fig. 1 is a perspective view showing the structure of a pipe bender of the present invention.
第2圖 係第1圖所示實施例分解示意圖。 Fig. 2 is an exploded perspective view of the embodiment shown in Fig. 1.
第3圖 係本發明實施例作動示意圖(一)。 Figure 3 is a schematic diagram (1) of the operation of the embodiment of the present invention.
第4圖 係本發明實施例作動示意圖(二)。 Figure 4 is a schematic diagram (2) of the operation of the embodiment of the present invention.
第5圖 係本發明實施例作動示意圖(三)。 Figure 5 is a schematic view (3) of the operation of the embodiment of the present invention.
第6圖 係本發明單向卡掣組作動剖面示意圖(一)。 Figure 6 is a schematic cross-sectional view of the unidirectional cassette group of the present invention (1).
第7圖 係本發明單向卡掣組作動剖面示意圖(二)。 Figure 7 is a schematic cross-sectional view of the unidirectional cassette group of the present invention (2).
以下請參照相關圖式進一步說明本發明彎管器結構實施例,為便於理解本發明實施方式,以下相同元件係採相同符號標示說明。 Hereinafter, the embodiment of the pipe bender of the present invention will be further described with reference to the related drawings. For the purpose of understanding the embodiments of the present invention, the same components are denoted by the same reference numerals.
請參閱第1至7圖所示,本發明彎管器結構,其包含: Referring to Figures 1 through 7, the bender structure of the present invention comprises:
一第一手柄10,具有一置管座12、一置管槽14及一固定孔16。前述置管座12形成於第一手柄10一末端。前述置管槽14係凹陷形成置管座12一側。前述固定孔16係貫穿置管座12形成。 A first handle 10 has a tube holder 12, a tube groove 14 and a fixing hole 16. The aforementioned tube holder 12 is formed at one end of the first handle 10. The tube insertion groove 14 is recessed to form the tube holder 12 side. The fixing hole 16 is formed through the stem 12 .
一彎管盤20,具有一鎖接截面22、一彎管槽24、一結合孔26、及一連接孔28。前述鎖接截面22,係形成於彎管盤20一側。彎管槽24係相對鎖接截面22凹陷形成於彎管盤20另一側外周面,並與置管槽12位置匹配。前述結合孔26係匹配固定孔16形成於鎖接截面22,配合一固定柱穿過固定孔16後與結合孔26鎖合,而將彎管盤20固定於第一手柄10。前述連接孔28係貫穿彎管盤20中央形成。 A bent disk 20 has a locking section 22, an elbow groove 24, a coupling hole 26, and a connecting hole 28. The locking section 22 is formed on the side of the bent disk 20. The curved groove 24 is recessed relative to the locking section 22 and formed on the outer peripheral surface of the other side of the curved disk 20, and is matched with the position of the tube groove 12. The coupling hole 26 is formed in the locking section 22, and a fixing post is inserted through the fixing hole 16 to be engaged with the coupling hole 26 to fix the bending disk 20 to the first handle 10. The connecting hole 28 is formed through the center of the bending disk 20.
一連接桿30,一端藉由一第一結合元件A1與彎管盤20的連接孔28相結合,使連接桿30藉由連結孔28為支點而相對彎管盤20樞轉,且連接桿30的另一端設有一第二結合元件A2。 A connecting rod 30 is coupled to the connecting hole 28 of the bending plate 20 by a first coupling member A1, so that the connecting rod 30 pivots relative to the bending plate 20 by the connecting hole 28 as a fulcrum, and the connecting rod 30 The other end is provided with a second coupling element A2.
一作動塊40,具有一樞設孔41、一作動槽42、一內樞孔43、一棘齒列44、第一定位孔。前述樞設孔41係貫穿作動塊40上段形成,並與連接桿30之第二結合元件A2結合,使作動塊40的一端面可沿著彎管盤20外周緣滑動。前述作動槽42,係對應彎管槽24凹陷形成於作動塊40一側,並匹配彎管槽24共同組合成完整圓形8截面。前述內樞孔43,係貫穿作動塊40下段形成。前述棘齒列44,係同心內樞孔43形成於作動塊40外周面。實施時,樞設孔41係為大小徑段之階級孔,提供一扭力彈簧45容置,且扭力彈簧45一端與作動塊40固設,另端與連接桿30連接,透過扭力彈簧45迫使作動塊40以樞設孔41為軸心抵接彎管盤20,避免第二手柄50扳動的過程中牽引作動塊40運動。 An actuating block 40 has a pivoting hole 41, an actuating groove 42, an inner pivot hole 43, a ratchet row 44, and a first positioning hole. The pivot hole 41 is formed through the upper portion of the actuating block 40 and is coupled to the second coupling member A2 of the connecting rod 30 such that an end surface of the actuating block 40 can slide along the outer circumference of the curved disc 20. The actuating groove 42 is formed on the side of the actuating block 40 corresponding to the curved groove 24, and the matching curved groove 24 is combined to form a complete circular 8 cross section. The inner pivot hole 43 is formed through the lower portion of the actuating block 40. The ratchet row 44 and the concentric inner pivot hole 43 are formed on the outer peripheral surface of the actuating block 40. In the implementation, the pivot hole 41 is a class hole of a large and small diameter section, and a torsion spring 45 is accommodated, and one end of the torsion spring 45 is fixed to the actuating block 40, and the other end is connected with the connecting rod 30, and is forced to be actuated by the torsion spring 45. The block 40 abuts the curved disc 20 with the pivot hole 41 as an axis to prevent the traction actuator 40 from moving during the second handle 50 being pulled.
一第二手柄50,具有一卡掣座52、及兩外樞孔54。前述卡掣座52係形成於第二手柄50的一端,其外輪廓略呈一ㄩ字形。各外樞孔54,係匹配內樞孔43貫穿卡掣座50兩端形成,並藉由第三結合元件A3穿伸兩外樞孔54及內樞孔43,以連接卡掣座52與作動塊40。 A second handle 50 has a latch seat 52 and two outer pivot holes 54. The aforementioned latching seat 52 is formed at one end of the second handle 50, and its outer contour is slightly U-shaped. Each of the outer pivot holes 54 and the matching inner pivot hole 43 are formed through the two ends of the latch seat 50, and the outer joint holes 54 and the inner pivot holes 43 are extended by the third joint member A3 to connect the latch seat 52 and actuate Block 40.
一單向卡掣組,包含一容置槽61、一剖槽62、一彈性元件63、一棘舌64、及一環套65。前述容置槽61,係凹陷形成於卡掣座52端面,且呈大、小徑段之階級槽。前述剖槽以連接桿30的第一結合元件A1為支點朝第一手柄10的置管座12方向轉動,並將一管狀元件70穿經第一手柄10的置管座12,與彎管盤20彎管槽24及作動塊40作動槽42所形成之通道。 A one-way cassette assembly includes a receiving slot 61, a slot 62, an elastic member 63, a spine 64, and a collar 65. The accommodating groove 61 is formed in the end surface of the cassette seat 52 and has a large and small diameter section. The slit is rotated toward the tube holder 12 of the first handle 10 with the first coupling member A1 of the connecting rod 30 as a fulcrum, and a tubular member 70 is passed through the tube holder 12 of the first handle 10, and the tube tray The 20-bend groove 24 and the actuating block 40 actuate the passage formed by the groove 42.
請參閱第3至5圖所示,次施力於第二手柄50同時以彎管盤20第一結合元件A1(連接孔28)為支點,使第二手 柄50異於卡掣座52的一端朝第一手柄10的方向移動;過程中,單向卡掣組之棘舌64與作動塊40之棘齒列44形成卡合,而連動作動塊40以第二結合元件A2(樞設孔41)為軸心,沿彎管盤20之彎管槽24外周緣運動,使伸設於彎管槽24及作動槽42間的管狀元件70產生彎曲的現象。 Referring to FIGS. 3 to 5, the second handle 50 is applied to the second handle 50 while the first coupling member A1 (connection hole 28) of the bending plate 20 is used as a fulcrum to make the second hand. The handle 50 is different from the end of the latch 52 toward the first handle 10; during the process, the knuckle 64 of the one-way latch group engages with the ratchet row 44 of the actuating block 40, and the motion block 40 is connected The second coupling member A2 (the pivot hole 41) is an axial center and moves along the outer periphery of the curved groove 24 of the curved disk 20 to bend the tubular member 70 extending between the curved groove 24 and the actuating groove 42. .
該使用者力量不足時,再藉由棘舌64與作動塊40之棘齒列44可單向退讓互動,移動第二手柄50反向第一手柄10方向運動位移,尋求較佳施力之力矩;過程中,棘舌64受棘齒列44推頂而壓縮彈性元件63,使棘舌64退縮沒入容置槽61中,而對作動塊40之棘齒列44形成退讓,使第二手柄50以作動塊40之第三結合元件A3(內樞孔43、兩外樞孔54)為軸心擺動,俾使棘舌64相對棘齒列44運動,待棘舌64位移到棘齒列44預設位置後,再度將第二手柄50向第一手柄10方向運動扳動,達成省力之效益。 When the user's power is insufficient, the thorns 64 and the ratchet row 44 of the actuating block 40 can be retracted and unidirectionally moved, and the second handle 50 is moved in the opposite direction of the first handle 10 to seek a better torque. During the process, the lance 64 is pushed up by the ratchet row 44 to compress the elastic member 63, so that the lance 64 is retracted into the accommodating groove 61, and the ratchet row 44 of the actuating block 40 is retracted to make the second handle The third coupling member A3 (the inner pivot hole 43, the two outer pivot holes 54) of the actuating block 40 is pivoted about the axis, so that the spine 64 moves relative to the ratchet row 44, and the ratchet 64 is displaced to the ratchet row 44. After the preset position, the second handle 50 is again moved in the direction of the first handle 10 to achieve the labor saving effect.
請參閱第6、7圖所示,透過環套65連動插銷A4及棘舌64,俾使棘舌64壓縮彈性元件63,使棘舌64沒入容置槽61中,方便卡掣座52(棘舌64)快可速於棘齒列44外周緣運動。 Referring to the figures 6 and 7, the bolt A4 and the knuckle 64 are interlocked through the ring sleeve 65, so that the knuckle 64 compresses the elastic member 63, so that the knuckle 64 is immersed in the accommodating groove 61, facilitating the shank 52 ( The spine 64) is faster than the outer periphery of the ratchet row 44.
以上所述說明,僅為本發明的較佳實施方式而已,意在明確本發明的特徵,並非用以限定本發明實施例的範圍,本技術領域內的一般技術人員根據本發明所作的均等變化,以及本領域內技術人員熟知的改變,仍應屬本發明涵蓋的範圍。 The above description is only for the preferred embodiment of the present invention, and is intended to clarify the features of the present invention, and is not intended to limit the scope of the embodiments of the present invention. Changes that are well known to those skilled in the art are still within the scope of the invention.
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TW201927431A true TW201927431A (en) | 2019-07-16 |
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US6609405B1 (en) * | 2002-10-15 | 2003-08-26 | Stride Tool Inc. | Tube bender and method of using same |
TWM283695U (en) * | 2005-10-03 | 2005-12-21 | Asian First Refrigeration Corp | Tube bender |
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