TWI650213B - Double positioning bead tool head post - Google Patents
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- TWI650213B TWI650213B TW107128054A TW107128054A TWI650213B TW I650213 B TWI650213 B TW I650213B TW 107128054 A TW107128054 A TW 107128054A TW 107128054 A TW107128054 A TW 107128054A TW I650213 B TWI650213 B TW I650213B
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Abstract
一種雙定位珠之工具頭接桿,包含有:一基座、一套筒及一彈性件,套筒於一端有一筒體,以供一工具頭插設,筒體側壁有一第一穿孔及一第二穿孔,第一、二穿孔可分別容置一第一定位珠及一第二定位珠;套筒可滑動地套設於筒體,套筒內壁由後至前有一斜面段,斜面段由後往前漸縮;彈性件套合於筒體,供以套筒一向後位移之彈性力;套筒藉彈性件之彈性力使斜面段推頂第一、二定位珠,其分力使第一、二定位珠向筒體內移動,藉此可令工具頭在旋轉的時候,不會產生擺動,進而提升做工的準確度。A tool holder for a double positioning bead comprises: a base, a sleeve and an elastic member, the sleeve having a cylinder at one end for inserting a tool head, the first side of the cylinder body having a first perforation and a a second perforation, the first and second perforations respectively accommodating a first positioning bead and a second positioning bead; the sleeve is slidably sleeved on the cylindrical body, and the inner wall of the sleeve has a beveled section from the back to the front, and the inclined section The elastic member is sleeved in the cylinder body to provide the elastic force of the sleeve to be displaced backwards; the elastic force of the elastic member causes the inclined surface section to push the first and second positioning beads, and the component force is The first and second positioning beads move toward the cylinder body, so that the tool head can be rotated without rotating, thereby improving the accuracy of the work.
Description
本發明係與手工具有關,特別是指一種雙定位珠之工具頭接桿。 The invention relates to hand tools, and in particular to a tool head post of a double positioning bead.
台灣第I551407號專利,揭露了一種前推快脫式起子頭裝置,包括:桿身10,其前端插置槽11係供起子頭插入;長形導動槽30,設於插置槽11前、後端緣;定位珠體40,容置於長形導動槽30中呈可限位活動,定位珠體40內側能凸伸入插置槽11中;第一彈性復位件50;前推釋放式筒套60,套組於插置槽11一端外周呈可前後向位移,且其向前位移狀態係設為釋放模式、向後位移狀態則設為迫緊模式。 Taiwan Patent No. I551407 discloses a push-on quick-release screwdriver head device, comprising: a shaft 10 having a front end insertion groove 11 for inserting a screwdriver head; and an elongated guide groove 30 disposed in front of the insertion groove 11. a rear end edge; the positioning bead body 40 is received in the elongated guiding groove 30 to be limited in position, and the inner side of the positioning bead body 40 can protrude into the insertion groove 11; the first elastic returning member 50; The release sleeve 60 has a front-rear displacement on the outer circumference of one end of the insertion groove 11, and the forward displacement state is set to the release mode, and the backward displacement state is set to the pressing mode.
前述先前技術,主要是藉由定位珠體抵迫於起子頭的面向部位而提供起子頭插入時的固定效果;但此結構僅係以一個定位珠對起子頭固定,因起子頭於連接電動工具進行使用時,起子頭與插置槽所形成的空隙,會令起子頭在旋轉時產生一定程度的擺動,這造成起子頭無法準確的作工,而且在長度較長的起子頭尺寸,此情況尤為明顯。 The foregoing prior art mainly provides a fixing effect when the insert head is inserted by the positioning of the bead body against the facing portion of the bit head; however, the structure is fixed only to the bit head by a positioning bead, because the screwdriver head is connected to the power tool. When used, the gap formed between the screwdriver head and the insertion groove causes the screwdriver head to swing to a certain extent during rotation, which causes the screwdriver head to be unable to work accurately, and the length of the screwdriver head is longer. Especially obvious.
本發明之主要目的乃在於提供一種雙定位珠之工具頭接桿,其令工具頭在旋轉的時候,不會產生擺動,進而提升做工的準確度。 The main object of the present invention is to provide a tool holder for a double positioning bead which does not cause a swing when the tool head is rotated, thereby improving the accuracy of the work.
為了達成上述之目的,本發明提供之一種雙定位珠之工具頭接桿,包含有:一基座,於一端具有一筒體,該筒體內形成一容室,且於該容室之前端形成與該容室連通之一開口,用以供一工具頭經由該開口插設於該容室,該筒體側壁具有一第一穿孔、一第二穿孔及一環槽,該第一穿孔位於該第二穿孔後方,且該第一穿孔及該第二穿孔連通該容室,該第一穿孔及該第二穿孔可分別容置一第一定位珠及一第二定位珠,該環槽係扣設一扣環;一套筒,可滑動地套設於該筒體,該套筒後端內側壁具有一凸環,該套筒內側壁具有一止點,該扣環係靠抵該止點,避免該套筒脫離該筒體,且該套筒由後至前具有一斜面段,該斜面段係由後往前漸縮;以及一彈性件,套合於該筒體並頂抵於該凸環及該扣環,供以該套筒一向後位移之彈性力;其中,該套筒藉由該彈性件向後位移之彈性力,使該斜面段推頂該第一定位珠與該第二定位珠,其分力使該第一定位珠及該第二定位珠向該容室移動,在插入有該工具頭的狀況下,能壓抵並夾持該工具頭,而達到迫緊固定的效果。 In order to achieve the above object, the present invention provides a dual positioning bead tool head post comprising: a base having a barrel at one end, a cavity formed in the barrel, and formed at a front end of the chamber One opening communicating with the chamber for inserting a tool head into the chamber through the opening, the side wall of the barrel having a first through hole, a second through hole and a ring groove The first through hole and the second through hole respectively receive a first positioning bead and a second positioning bead, and the second through hole and the second through hole respectively receive a first positioning bead and a second positioning bead. a buckle sleeve slidably sleeved on the cylinder body, the inner side wall of the rear end of the sleeve has a convex ring, and the inner side wall of the sleeve has a dead point, and the buckle ring is abutted against the stopping point. Preventing the sleeve from coming off the barrel, and the sleeve has a beveled section from the back to the front, the beveled section is tapered from the back to the front; and an elastic member is fitted to the cylinder and abuts against the convex body a ring and the buckle for providing an elastic force for the sleeve to be displaced rearward; wherein the sleeve is provided by the elastic member The elastic force of the rear displacement causes the inclined surface section to push the first positioning bead and the second positioning bead, and the component force moves the first positioning bead and the second positioning bead to the chamber, and the tool is inserted Under the condition of the head, the tool head can be pressed and clamped to achieve the effect of tightening and fixing.
藉此,本發明提供之一種雙定位珠之工具頭接桿,令工具頭在旋轉的時候,不會產生擺動,進而提升做工的準確度。 Therefore, the present invention provides a tool holder for the double positioning bead, so that the tool head does not swing when rotated, thereby improving the accuracy of the work.
10‧‧‧雙定位珠之工具頭接桿 10‧‧‧ Double positioning bead tool head post
11‧‧‧基座 11‧‧‧Base
13‧‧‧筒體 13‧‧‧Cylinder
131‧‧‧容室 131‧‧ ‧ room
133‧‧‧開口 133‧‧‧ openings
15‧‧‧第一穿孔 15‧‧‧First perforation
151‧‧‧第一定位珠 151‧‧‧First positioning bead
17‧‧‧第二穿孔 17‧‧‧Second perforation
171‧‧‧第二定位珠 171‧‧‧Second positioning bead
19‧‧‧環槽 19‧‧‧ Ring groove
191‧‧‧扣環 191‧‧‧ buckle
21‧‧‧套筒 21‧‧‧Sleeve
23‧‧‧凸環 23‧‧‧ convex ring
25‧‧‧止點 25‧‧‧
26‧‧‧第一直段 26‧‧‧First straight paragraph
27‧‧‧斜面段 27‧‧‧Slope section
28‧‧‧第二直段 28‧‧‧Second straight paragraph
31‧‧‧彈性件 31‧‧‧Flexible parts
100‧‧‧工具頭 100‧‧‧Tool head
H1‧‧‧第一裕度空間 H1‧‧‧First Margin Space
H2‧‧‧第二裕度空間 H2‧‧‧Second margin space
10’‧‧‧雙定位珠之工具頭接桿 10'‧‧‧ Double positioning bead tool head post
13’‧‧‧筒體 13’‧‧‧Cylinder
131’‧‧‧容室 131’‧‧ ‧ room
132’‧‧‧磁吸件 132'‧‧‧ magnetic parts
10”‧‧‧雙定位珠之工具頭接桿 10"‧‧‧ Double positioning bead tool head post
13”‧‧‧筒體 13"‧‧‧Cylinder
131”‧‧‧容室 131”‧‧‧ Rooms
134”‧‧‧擋牆 134" ‧ ‧ retaining wall
135”‧‧‧活動塊 135”‧‧‧ activity block
136”‧‧‧凸垣 136”‧‧‧垣
137”‧‧‧彈簧 137"‧‧‧ Spring
151”‧‧‧第一定位珠 151”‧‧‧First positioning bead
171”‧‧‧第二定位珠 171”‧‧‧Second positioning bead
21”‧‧‧套筒 21”‧‧‧Sleeve
27”‧‧‧斜面段 27”‧‧‧Slope section
H1”‧‧‧第一裕度空 H1”‧‧‧The first margin
H2”‧‧‧第二裕度空間 H2”‧‧‧Second margin space
100”‧‧‧工具頭 100”‧‧‧Tool head
第1圖係本發明第一實施例之立體圖。 Fig. 1 is a perspective view showing a first embodiment of the present invention.
第2圖係本發明第一實施例之分解圖。 Fig. 2 is an exploded view of the first embodiment of the present invention.
第3圖係沿第1圖3-3剖線之剖視圖。 Figure 3 is a cross-sectional view taken along line 1-3 of Figure 1.
第4圖係本發明第一實施例之縱向示意圖,顯示第一、二定位珠位於筒體內側壁之同一面的情況。 Fig. 4 is a longitudinal schematic view showing the first embodiment of the present invention, showing the case where the first and second positioning beads are located on the same side of the side wall of the cylinder.
第5圖係本發明第一實施例之縱向示意圖,顯示第一、二定位珠位於筒體兩兩內側壁之銜接處的情況。 Figure 5 is a longitudinal schematic view of the first embodiment of the present invention, showing the first and second positioning beads being located at the junction of the inner walls of the two cylinders.
第6圖係本發明第一實施例之使用狀態示意圖,顯示插設工具頭的狀態。 Fig. 6 is a view showing the state of use of the first embodiment of the present invention, showing the state of the insertion tool head.
第7圖係本發明第一實施例之使用狀態示意圖,顯示取出工具頭的狀態。 Fig. 7 is a view showing the state of use of the first embodiment of the present invention, showing the state in which the tool head is taken out.
第8圖係本發明第二實施例之側向剖視圖。 Figure 8 is a side cross-sectional view showing a second embodiment of the present invention.
第9圖係本發明第三實施例之側向剖視圖。 Figure 9 is a side cross-sectional view showing a third embodiment of the present invention.
第10圖係本發明第三實施例之使用狀態示意圖,顯示插設工具頭的狀態。 Fig. 10 is a view showing the state of use of the third embodiment of the present invention, showing the state of the insertion tool head.
第11圖係本發明第三實施例之使用狀態示意圖,顯示取出工具頭的狀態。 Fig. 11 is a view showing the state of use of the third embodiment of the present invention, showing the state in which the tool head is taken out.
為了詳細說明本發明之技術特點所在,茲舉以下之第一實施例並配合圖式說明如後,其中: In order to explain in detail the technical features of the present invention, the following first embodiment will be described with reference to the following drawings, in which:
如第1-7圖所示,本發明一實施例提供之一種雙定位珠之工具頭接桿10,主要由一基座11、一套筒21及一彈性件31所組成,其中: As shown in FIG. 1-7, a tool post 10 of a double positioning bead according to an embodiment of the present invention is mainly composed of a base 11, a sleeve 21 and an elastic member 31, wherein:
該基座11,於一端具有一筒體13,該筒體13內形成一容室131,且於該容室131之前端形成與容室131連通之一開口133,用以供一工具頭100經由該開口133插設於該容室131,該筒體13側壁具有一第一穿孔15、一第二穿孔17及一環槽19,該第一穿孔15位於該第二穿孔17後方,且該第一穿孔15及該第二穿孔17連通該容室131,該第一穿孔15及該第二穿孔17可分別容置一第一定位珠151及一第二定位珠171,該環槽19係扣設一扣環191。 The base 11 has a cylinder 13 at one end thereof. A cavity 131 is formed in the cylinder 13 and an opening 133 is formed in the front end of the chamber 131 to communicate with the chamber 131 for providing a tool head 100. The first side of the tubular body 13 has a first through hole 15 , a second through hole 17 and a ring groove 19 . The first through hole 15 is located behind the second through hole 17 , and the first hole 15 is inserted into the chamber 131 . The first through hole 15 and the second through hole 17 respectively receive a first positioning bead 151 and a second positioning bead 171, and the second through hole 15 and the second through hole 17 respectively receive a first positioning bead 151 and a second positioning bead 171. A buckle 191 is provided.
於本實施例中,該筒體13係一體成形於該基座11;該筒體13側壁係由六個面圍繞連接而成,但不以此為限,該第一、二定位珠151、171係位在同一個面(如第4圖所示);該第一穿孔15、該第二穿孔17、該第一定位珠151及該第二定位珠171之數量皆為複數個,且於該筒體13之斷面呈等角分布,而一個該第一定位珠151及一個該第二定位珠171係位於該筒體內側壁之同一面。 In this embodiment, the cylindrical body 13 is integrally formed on the base 11; the side wall of the cylindrical body 13 is connected by six faces, but not limited thereto, the first and second positioning beads 151, The 171 is in the same plane (as shown in FIG. 4); the number of the first through hole 15, the second through hole 17, the first positioning bead 151 and the second positioning bead 171 are plural, and The cross section of the cylinder 13 is equiangularly distributed, and one of the first positioning beads 151 and one of the second positioning beads 171 are located on the same side of the side wall of the cylinder.
在實際實施的時候,該筒體13亦可以組合的方式形成於該基座11,因此該筒體13形成於該基座11之方式,並不僅以本實施例為限;另外,該複數第一定位珠151及該複數第二定位珠171可係位於該筒體13兩兩內側壁之銜接處(如第5圖所示);或者,該第一、二穿孔15、17及該第一、二定位珠151、171之數量亦可為一,因此,該第一、二穿孔15、17及該第一、二定位珠151、171之數量及實際實施型態,應不僅以本實施例為限。 In the actual implementation, the cylindrical body 13 can also be formed on the base 11 in a combined manner, so that the cylindrical body 13 is formed on the base 11 and is not limited to the embodiment; A positioning bead 151 and the plurality of second positioning bead 171 may be located at the junction of the inner side walls of the cylinder 13 (as shown in FIG. 5); or the first and second perforations 15, 17 and the first The number of the two positioning beads 151, 171 may also be one. Therefore, the number of the first and second through holes 15, 17 and the first and second positioning beads 151, 171 and the actual implementation type should not only be in this embodiment. Limited.
該套筒21,可滑動地設於該筒體13,該套筒21後端內側壁具有一凸環23,該套筒21內側壁具有一止點25,該扣環191係靠抵該止點25,避免該套筒21脫離該筒體13,且該套筒21由後至前具有一斜面段27,該斜面段27係由後往前漸縮。於本實施例中,該套筒具有一第一直段26及一第二直段28,但不以此為限,該止點25係位於該斜面段27。在實際實施的時候,該止點25亦可位於該第一直段26或該第二直段28,故該止點25並不僅以本實施例為限。 The sleeve 21 is slidably disposed on the cylindrical body 13. The inner side wall of the rear end of the sleeve 21 has a convex ring 23, and the inner side wall of the sleeve 21 has a stop point 25, and the buckle 191 is abutted against the end. At point 25, the sleeve 21 is prevented from disengaging from the barrel 13, and the sleeve 21 has a beveled section 27 from the front to the front, and the beveled section 27 is tapered from the rear to the front. In the present embodiment, the sleeve has a first straight section 26 and a second straight section 28, but not limited thereto, and the stop point 25 is located in the slope section 27. In the actual implementation, the dead point 25 can also be located in the first straight section 26 or the second straight section 28, so the dead point 25 is not limited to the embodiment.
該彈性件31套合於該筒體13且頂抵於該凸環23及該扣環191,提供該套筒21一向後位移之彈性力。 The elastic member 31 is sleeved on the cylindrical body 13 and abuts against the convex ring 23 and the buckle 191 to provide an elastic force for the sleeve 21 to be displaced rearward.
其中,該套筒21藉由該彈性件31向後位移之彈性力,使該斜面段27推頂該複數第一定位珠151與該複數第二定位珠171,其分力使該複數第一定 位珠151及該複數第二定位珠171向該容室131移動,在插入有該工具頭100的狀況下,能壓抵並夾持該工具頭100,而達到迫緊固定的效果。 Wherein, the sleeve 21 is biased by the elastic force of the elastic member 31 to cause the inclined surface section 27 to push the plurality of first positioning beads 151 and the plurality of second positioning beads 171, and the component force makes the plural number first The position bead 151 and the plural second positioning bead 171 are moved to the chamber 131, and the tool head 100 can be pressed and held in a state in which the tool bit 100 is inserted, thereby achieving an effect of tightening and fixing.
以上說明了本第一實施例的架構,接下來說明本第一實施例的操作狀態。 The architecture of the first embodiment has been described above, and the operational state of the first embodiment will be described next.
如第3圖所示,係顯示未插入該工具頭100時,本發明之內部狀態,此時,該套筒21藉由該彈性件31向後位移之彈性力,使該斜面段27推頂該複數第一定位珠151與該複數第二定位珠171,其分力使該複數第一定位珠151及該複數第二定位珠171向該容室131移動。 As shown in Fig. 3, the internal state of the present invention is shown when the tool head 100 is not inserted. At this time, the elastic force of the sleeve 21 being displaced rearward by the elastic member 31 causes the inclined surface section 27 to be pushed up. The plurality of first positioning beads 151 and the plurality of second positioning beads 171 have a component force for moving the plurality of first positioning beads 151 and the plurality of second positioning beads 171 to the chamber 131.
如第6圖所示,在插入該工具頭100時,該工具頭100係經由該開口133插設於該容室131,藉由該複數第一定位珠151及該複數第二定位珠171能壓抵並夾持該工具頭100,而達到緊迫固定的效果。 As shown in FIG. 6 , when the tool head 100 is inserted, the tool head 100 is inserted into the chamber 131 through the opening 133 , and the plurality of first positioning beads 151 and the plurality of second positioning beads 171 can The tool head 100 is pressed against and clamped to achieve a tightly fixed effect.
如第7圖所示,在欲退出該工具頭100時,使用者係操作該套筒21向前位移,藉此令該斜面段27與各該第一定位珠151之間分別形成一第一裕度空間H1,且與各該第二定位珠171之間分別形成一第二裕度空間H2,各該第一裕度空間H1可容納各該第一定位珠151,各該第二裕度空間H2可容納各該第二定位珠171,藉此解除該複數第一定位珠151及該複數第二定位珠171對該工具頭100之夾持效果,進而可將該工具頭100取出。 As shown in FIG. 7, when the tool head 100 is to be withdrawn, the user operates the sleeve 21 to move forward, thereby forming a first between the sloped section 27 and each of the first positioning beads 151. a second margin space H2 is formed between the margin space H1 and each of the second positioning beads 171, and each of the first margin spaces H1 can accommodate each of the first positioning beads 151, and each of the second margins The space H2 can accommodate each of the second positioning beads 171, thereby releasing the clamping effect of the plurality of first positioning beads 151 and the plurality of second positioning beads 171 on the tool head 100, and the tool head 100 can be taken out.
藉此,本發明提供之一種雙定位珠之工具頭接桿,藉由該複數第一定位珠及該複數第二定位珠能壓抵並夾持該工具頭之結構,令工具頭在旋轉的時候,不會產生擺動,進而提升做工的準確度。 Therefore, the present invention provides a tool holder for a double positioning bead, wherein the plurality of first positioning beads and the plurality of second positioning beads can press and hold the structure of the tool head, so that the tool head is rotated. At the time, there is no swing, which improves the accuracy of the workmanship.
接著請參閱第8圖,本發明第二實施例所提供之雙定位珠之工具頭接桿10’,主要概同於前揭第一實施例,不同之處在於: 該筒體13’更具有一磁吸件132’,該磁吸件132’位於該筒體13’內底面,以其磁吸力吸住該工具頭100’。藉此令該工具頭插入該容室131’時,可以藉由該磁吸件132’來吸住該工具頭100’,具有其固定效果。 Next, referring to FIG. 8, the tool head post 10' of the double positioning bead according to the second embodiment of the present invention is mainly similar to the first embodiment disclosed above, except that: The cylinder 13' further has a magnetic member 132' located on the inner bottom surface of the cylindrical body 13' to attract the tool head 100' by its magnetic attraction. Thereby, when the tool head is inserted into the chamber 131', the tool head 100' can be sucked by the magnetic member 132', which has a fixing effect.
本第二實施例之其餘結構所能達成之功效均概同於前揭第一實施例,容不再予贅述。 The functions of the remaining structures of the second embodiment are the same as those of the first embodiment, and will not be described again.
請再參閱第9-11圖所示,本發明第三實施例所提供之一種雙定位珠之工具頭接桿10”,主要概同於前揭第一實施例,不同之處在於:如第9圖所示,該筒體13”更具有一擋牆134”、一活動塊135”及一彈簧137”,該擋牆134”設於該筒體13”內側壁並位於該容室131”,該活動塊135”位於該容室131”並可前後位移,該活動塊135”具有一凸垣136”,該凸垣136”係位於該擋牆134”內側,該彈簧137”頂抵於該筒體13”內底面與該活動塊135”,供該活動塊135”一前後移動之彈性力,使當該活動塊135”向前移動並由該凸垣136”靠抵於擋牆134”。本第三實施例在未插入該工具頭100”時,該活動塊135”係藉由該彈簧137”之前後移動之彈性力,將該活動塊135”向前推抵並將該凸垣136”靠抵於該擋牆134”。 Referring to FIG. 9-11, a tool post 10" of a double positioning bead according to a third embodiment of the present invention is mainly similar to the first embodiment disclosed above, except that: 9 shows that the cylinder 13" further has a retaining wall 134", a movable block 135" and a spring 137", the retaining wall 134" is disposed on the inner side wall of the cylinder 13" and is located in the chamber 131" The movable block 135" is located in the chamber 131" and can be displaced forward and backward. The movable block 135" has a tenon 136", and the tenon 136" is located inside the retaining wall 134". The inner bottom surface of the cylinder 13" and the movable block 135", the elastic force of the movable block 135" is moved back and forth, so that when the movable block 135" moves forward and the convex 136" abuts against the retaining wall 134 In the third embodiment, when the tool head 100 is not inserted, the movable block 135" pushes the movable block 135" forward by the elastic force of the spring 137" before and after the movement.垣 136" is against the retaining wall 134".
如第10圖所示,在插入該工具頭100”時,該工具頭100”係經由該開口133抵於該活動塊135”並克服該彈簧137”之彈性力,進而迫使該活動塊135”向後移動,再藉由該複數第一定位珠151”及該複數第二定位珠171”對該工具頭100”所產生之夾持力,而達到緊迫固定的效果。 As shown in FIG. 10, when the tool head 100" is inserted, the tool head 100" abuts against the movable block 135" via the opening 133 and overcomes the elastic force of the spring 137", thereby forcing the movable block 135" Moving backwards, the clamping force generated by the plurality of first positioning beads 151" and the plurality of second positioning beads 171" on the tool head 100" achieves an urgently fixed effect.
如第11圖所示,在欲退出該工具頭100”時,使用者係操作該套筒21”向前位移,由於該斜面段27”與各該第一定位珠151”之間分別形成有該第一裕度空間H1”,與各該第二定位珠171”之間分別行程有該第二裕度空間H2”, 該第一、二裕度空間H1”、H2”可分別容納各該第一定位珠151”與各該第二定位珠171”,藉此解除該複數第一定位珠151”及該複數第二定位珠171”對該工具頭100”之夾持效果,此時,該彈簧137”之彈性力會將該活動塊135”向前推動,進而將該工具頭100”往該容室131”外推動,令使用者方便將該工具頭100”取出。 As shown in FIG. 11, when the tool head 100" is to be withdrawn, the user operates the sleeve 21" to move forward, since the slope portion 27" and each of the first positioning beads 151" are respectively formed. The first margin space H1" and the second positioning bead 171" respectively have the second margin space H2", The first and second margin spaces H1", H2" can respectively accommodate the first positioning bead 151" and each of the second positioning bead 171", thereby releasing the plurality of first positioning bead 151" and the second The positioning effect of the positioning bead 171" on the tool head 100", at this time, the elastic force of the spring 137" pushes the movable block 135" forward, thereby pushing the tool head 100 "outside the chamber 131" Pushing, the user can conveniently take out the tool head 100".
本第三實施例之其餘結構所能達成之功效均概同於前揭第一實施例,容不再予贅述。 The functions of the remaining structures of the third embodiment are the same as those of the first embodiment, and will not be described again.
Claims (8)
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TW107128054A TWI650213B (en) | 2018-08-10 | 2018-08-10 | Double positioning bead tool head post |
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TW107128054A TWI650213B (en) | 2018-08-10 | 2018-08-10 | Double positioning bead tool head post |
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