1312716 九、發明說明： 【發明所屬之技術領域】 本發明係與手工具有關，詳而言之係指一種開口扳手， 本發明係使開口扳手之二顎具有不易外張之效果者。 【先前技術】 請參閱第一圖’開口扳手(10)具有—開口端(12)，該開口 ' 端(12)之二顆(14)係具有一寬度(W)，使用時以套夾及驅轉螺 φ 栓或螺帽等螺接元件。 由於各顎(14)之顆根至顆尖具有—定的長度，且顆尖為自 由端，故，當該二顎（14)承受相當的作用力時，該二顎將受 力外張，如圖假想線所示。如此，開口端（12)將不能有效夾 住螺件，使得扳手無法有效轉動螺件，因而扳手的扭力不佳， 且顎未能與螺件的邊良好接觸時，亦容易毀損螺件的角。 此外，對於已磨損的螺接it件，由於螺件的邊的有效長 度已縮減，因此，顎（14)容易外張之現象亦難以操作磨損的 # 螺件，且容易將磨損螺件的角進一步的磨耗、毁壞。 【發明内容】 本發明旨於職上揭缺失，其主要目的在於提供-種開 口扳手，使扳手的開口端具有不易外張的效果。 本發明之又-目的在於提供—種上述之開口扳手，其可 提供較高扭力者。 本發明之另—目的在於提供—種上述之開π扳手，其可 適用於磨損螺件。 1312716 【實施方式】 為能進-步瞭解本發明之目的、特徵以及所達成之功 效，以下茲舉本發明三_實施例，並配合®式詳細說明於 后 第-圖係習知一種開口扳手之頂視圖。 第二圖係本發明—較佳實施例之立體圖。 第二圖係第二圖之3-3剖線之剖面圖。 第四圖係第二圖之頂視圖。 第五圖係本發明另—較佳實關之立體gj。 第六圖係本發明再—較佳實施例之立體圖。 請參閱第二圖，係本發明—較佳實施例所提供之開口板 手(20) ’該扳手之握柄(22)一端係設一開口躺，而另一端 (未示)可設另—開口端、梅花端或具有棘輪結構之套孔。 立該開口端⑽具有二和5)以及連接於該二雜端之喉 P(27)該一顆(25)之内側面各為一炎持面⑽。各該顆⑽ 之頂緣及底緣各具有-平面(32)(34)，與該夾持面相交。 請配合，各卿(25)於至少—平綱或(34) 倾至少-凹人降較佳地，各凹人⑽)係呈長條形且沿 Γ的長縱向（即顎尖往雜之方向)設於平面_⑽。較 地，各顎(25)之上平面(32)及下平面(34)各設—凹入(罐 ”另’可理解的是’實施上可於各細每個平面上設二個 或更+多的凹人，並使該等凹入沿相的長縱向排列。 猎由上述6又3十，各顯(25)的表面係呈凹凸狀的構形，可提 I、抗變形能力。再者，請參閱第三圖，鹤剛短縱向（即 1312716 顆的夾持面(28)與顆的外側面(36)間之方向)χ方向上，顯的 斷面係呈1形，如“字樑之結構，可提高顎在X方向上的 抗壓力及撓曲力’其結果為，顎的财壓力及抗彎力提高，使 顎的結構強度提升，不容易受力外張。 當該開口端(24)套夹一螺件(5〇)時，如第四圖，由於顯⑵) 不易外張，因此，可使顎的夹持面(28)與螺件的邊⑽良好的 接觸，夾持面(28)與邊⑽不易有間隙增加，令開口端(24)能 順利、有效的扳轉螺件(50) ’提高扳手轉動螺件的扭力。 再者，顎的夾持面(28)保持平貼於螺件的邊(52),故操作 過程中不會損傷螺件的角（54)。 此外’將本發_作於磨損螺件時，即使螺件的角因磨 摘、鈍化而被削圓呈標號(56)之弧線所示，使得螺件的邊的 有效長度減少時，由於本發明之顎(25)不易外張，仍能有效 的夾住磨損螺件的邊，故本發明除可操作正常螺件外，亦適 用於磨損螺件。 請參閱第五圖，係本發明之扳手(6〇)之另一較佳實施例， 該扳手之開口端(62)同樣具有二顎(64)，且各顆於至少一平面 (66)亦設有至少一凹入(70)。於本實施例中，各凹入(7〇)係呈 長形，沿著顎(64)的長縱向設置，且各凹入的形狀係配合各 顎的外形，亦即，各凹入之一端窄而另一端寬。 請參閱第六圖’係本發明之扳手(80)之再一較佳實施例， 同樣的’開口端(82)之各顆(84)於至少一平面（86)設至少一凹 入(90)。该開口端(82)之後緣與握柄(92)之交接處係具有一交 接邊(94);各該凹入(90)前端係延伸至顎(84)的顎失，而其後 7 1312716 端則延伸至該交接邊(94)。 本發明係提高開口扳手的顎的應變力、抗壓力及撓曲 力，可增加扳動螺件時之扭力，亦適用於磨損螺件。 以上所述者，僅為本發明之具體實施結構，當不以此限 制本發明。 綜上所陳，本發明雖非複雜之設計，然，貴在其結構上 的獨特創作確能改進習知物品之諸多缺失。職是，本發明為 同類物品中首創之設計，並具實用功效之增進，誠已合於專 利要件，爰提出申請。祈貴審查委員秉於鼓勵國人創新發 明之美意，撥冗詳為審視，並早曰賜准本案專利為禱，實感 德便。1312716 IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a hand tool, and more particularly to an open-end wrench. The present invention is such that the two-way open-end wrench has an effect of being difficult to be stretched. [Prior Art] Please refer to the first figure 'opening wrench (10) has an open end (12), and the two ends (12) of the opening '12 have a width (W), which is used in the case of a clip. Drive the screw φ bolt or nut and other screw components. Since the roots of each of the rafters (14) have a predetermined length and the tip is a free end, when the scorpion (14) is subjected to a considerable force, the scorpion will be subjected to external force. As shown in the imaginary line. In this way, the open end (12) will not effectively clamp the screw, so that the wrench can not effectively rotate the screw, so the torque of the wrench is not good, and when the 颚 fails to make good contact with the edge of the screw, the angle of the screw is also easily damaged. . In addition, for the worn screw-on piece, since the effective length of the edge of the screw has been reduced, the 颚(14) is easy to be stretched, and it is difficult to operate the worn # screw, and the angle of the wear screw is easy to be Further wear and damage. SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and its main purpose is to provide an open-end wrench that has an effect that the open end of the wrench has a tendency to be easily stretched. Still another object of the present invention is to provide an open end wrench as described above which provides a higher torque. Another object of the present invention is to provide an open π wrench as described above which is applicable to a wear screw. 1312716 [Embodiment] In order to further understand the object, features and effects of the present invention, the following three embodiments of the present invention will be described in detail with reference to the type of the open-ended wrench. Top view. The second drawing is a perspective view of the preferred embodiment of the invention. The second figure is a cross-sectional view taken along line 3-3 of the second figure. The fourth figure is the top view of the second figure. The fifth figure is another three-dimensional gj of the present invention. Figure 6 is a perspective view of a preferred embodiment of the present invention. Please refer to the second figure, which is an open plate hand (20) provided by the preferred embodiment of the present invention. The handle (22) of the wrench is provided with an opening at one end and the other end (not shown) can be provided with another Open end, plum end or sleeve hole with ratchet structure. The open end (10) has two and 5) and a throat P (27) connected to the two ends. The inner side of the one (25) is an inflammatory face (10). The top edge and the bottom edge of each of the segments (10) each have a plane (32) (34) that intersects the clamping surface. Please cooperate, each Qing (25) at least - flat or (34) tilt at least - concave people better, each concave person (10)) is elongated and along the long longitudinal direction of the scorpion (ie 颚 tip to miscellaneous Direction) is set to plane _(10). In the ground, the upper plane (32) and the lower plane (34) of each cymbal (25) are each provided with a recess (can) and it is understood that 'the implementation can be two or more on each plane of each thinner. + A large number of concave people, and the concaves are arranged along the long longitudinal direction of the phase. Hunting from the above 6 and 30, each surface of the display (25) has a concave-convex configuration, which can improve I and resist deformation. Furthermore, please refer to the third figure, in the short longitudinal direction of the crane (ie, the direction between the clamping surface (28) of 1312716 and the outer side (36) of the particle), the apparent section is in a shape of 1 "The structure of the word beam can improve the anti-stress and flexing force of the crucible in the X direction." As a result, the financial pressure and the bending resistance of the crucible are increased, so that the structural strength of the crucible is improved, and it is not easy to be stressed. When the open end (24) is clamped with a screw (5〇), as shown in the fourth figure, since the display (2) is not easy to be stretched, the clamping surface (28) of the crucible and the side (10) of the screw can be made good. Contact, the clamping surface (28) and the side (10) are not easy to increase the gap, so that the open end (24) can smoothly and effectively pull the screw (50) 'to increase the torque of the wrench rotating screw. Furthermore, the gripping surface (28) of the crucible remains flat against the edge (52) of the screw so that the corners (54) of the screw are not damaged during operation. In addition, when the present invention is used for the wear screw, even if the angle of the screw is rounded by the grinding and passivation, it is indicated by the arc of the number (56), so that the effective length of the side of the screw is reduced. The invention (25) is not easy to be stretched, and can effectively clamp the edge of the wear screw. Therefore, the present invention is applicable to the wear screw in addition to the normal screw. Referring to FIG. 5, another preferred embodiment of the wrench (6〇) of the present invention, the open end (62) of the wrench also has two turns (64), and each of the at least one plane (66) is also At least one recess (70) is provided. In the present embodiment, each of the recesses (7 inches) is elongated and disposed along the longitudinal direction of the cymbal (64), and each concave shape is matched with the shape of each cymbal, that is, one end of each recess Narrow and wide at the other end. Referring to the sixth embodiment, which is a preferred embodiment of the wrench (80) of the present invention, each of the same 'open ends (82) is provided with at least one recess (90) in at least one plane (86). ). The intersection of the rear end of the open end (82) and the handle (92) has a junction edge (94); each of the recess (90) front end extends to the defect of the crucible (84), and thereafter 7 1312716 The end extends to the interface (94). The invention improves the strain force, the anti-stress and the flexing force of the jaw of the open-end wrench, can increase the torque when the screw is pulled, and is also suitable for the wear screw. The above is only a specific embodiment of the present invention, and the present invention is not limited thereto. In summary, although the present invention is not a complicated design, the unique creation of its structure can indeed improve the many defects of the conventional items. The job is that the present invention is the first of its kind in the design of similar items, and has an improvement in practical functions. It has been in compliance with the patent requirements and has applied for it. In order to encourage the Chinese people to innovate and innovate, the members of the Cui Gui Review Committee took the time to look at the details and gave the patents of the case as prayers.
1312716 【圖式簡單說明】 第一圖係習知一種開口扳手之頂視圖。 第二圖係本發明一較佳實施例之立體圖。 第三圖係第二圖之3-3剖線之剖面圖。 第四圖係第二圖之頂視圖。 第五圖係本發明另一較佳實施例之立體圖。 第六圖係本發明再一較佳實施例之立體圖。 【主要元件符號說明】 開 口扳手(20)(60)(80) 握柄(22) 開口端(24)(62)(82) 顎(25)(64)(84) 喉部(27) 夾持面（28) 平面（32)(34)(66)(86) 外側面（36) 凹入(40)(70)(90) 交接邊(94)1312716 [Simple description of the drawings] The first figure is a top view of an open-ended wrench. The second drawing is a perspective view of a preferred embodiment of the invention. The third figure is a cross-sectional view taken along line 3-3 of the second figure. The fourth figure is the top view of the second figure. Figure 5 is a perspective view of another preferred embodiment of the present invention. Figure 6 is a perspective view of still another preferred embodiment of the present invention. [Main component symbol description] Open end wrench (20) (60) (80) Grip (22) Open end (24) (62) (82) 颚 (25) (64) (84) Throat (27) Clamp Face (28) Plane (32) (34) (66) (86) Outer Side (36) Recess (40) (70) (90) Handover Edge (94)