CN102922492A - Rotatable chisel jacket assembly - Google Patents

Rotatable chisel jacket assembly Download PDF

Info

Publication number
CN102922492A
CN102922492A CN 201210395599 CN201210395599A CN102922492A CN 102922492 A CN102922492 A CN 102922492A CN 201210395599 CN201210395599 CN 201210395599 CN 201210395599 A CN201210395599 A CN 201210395599A CN 102922492 A CN102922492 A CN 102922492A
Authority
CN
Grant status
Application
Patent type
Prior art keywords
sleeve
end
chisel
main
balls
Prior art date
Application number
CN 201210395599
Other languages
Chinese (zh)
Inventor
林昌方
Original Assignee
方大控股有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Abstract

The invention relates to a rotatable chisel jacket assembly, and mainly aims to solve the technical problems that the conventional jacket of an electric pick cannot rotate, so that the operation of the electric pick is influenced, and the like. The rotatable chisel jacket assembly is characterized in that one end of a main sleeve penetrates through a connecting sleeve, and the other end of the main sleeve is rotationally and axially fixed in the connecting sleeve; a clamped rotating device is arranged outside the connecting sleeve and comprises a clamped rotating sliding sleeve, multiple balls and a return spring; through holes for accommodating the balls are formed on the peripheral wall of the connecting sleeve; multiple clamping grooves matched with the balls in an annular array are formed on the peripheral side wall of the main sleeve and below the through holes; the clamped rotating sliding sleeve and the return spring are arranged outside the connecting sleeve; and the clamped rotating sleeve can horizontally move along with the connecting sleeve under driving of the return spring, so that the balls in the through holes and the clamping grooves are attached and locked at a first working position of the main sleeve, the clamped rotating sliding sleeve is driven to horizontally move under the action of external force, and the balls and the clamping grooves are separated from each other at a second working position.

Description

一种可转动的凿子夹套总成 A rotatable collet assembly chisel

技术领域 FIELD

[0001] 本发明涉及一种锁紧装置,更具体的说是涉及一种可转动的凿子夹套总成,主要应用于电镐领域。 [0001] The present invention relates to a locking device, more particularly relates to an assembly rotatable collet chisel, the hammer is mainly used in the art.

背景技术· Background technique·

[0002] 电镐主要用于管道敷设、机械安装、给排水设施建设、室内装修、港口设施建设和其他建设工程施工,而为了便于对混凝土、砖石结构、浙青路面进行破碎、凿平、挖掘、开槽、切削等作业,在电镐夹套内安装凿子或凿铲等进行作业。 [0002] hammer is mainly used for pipe laying, machinery installation, water supply and drainage facilities construction, interior decoration, construction of port facilities and other building construction, and in order to facilitate concrete, masonry, Zhejiang green pavement crushing, chipping, mining, grooving, cutting and other operations, in the hammer or chisel cutting the jacket mounted shovel like operations. 现有的夹套只具备将凿子固定在电镐头部,而目前凿子的类型很多,如尖凿、扁凿或凿铲等,如电镐在使用扁凿或凿铲时,由于夹套不能转动,当扁凿或凿铲的刀口与凿孔或槽的方向不一致,此时,只能调整电镐的位置或角度,如果是在地面上作业,调整是比较容易的,而如果作业点在高处,操作人员悬空或利用梯子作业时,因扁凿或凿铲刀口不一致去调整电镐的位置或角度就不太容易,影响作业效益。 Conventional jacket only comprises fixed electrical chisel portion picks, chisels and the current of many types, such as a sharp chisel, spade flat chisel, or other chisel, the hammer during use as flat chisel or chisel blade, since the jacket can not rotate , when the edge direction is inconsistent with the punctured or flat chisel or a chisel groove shovel, this time, only to adjust the position or angle of the hammer, if the operation is on the ground, is relatively easy to adjust, and if the working point of high at the time of use of ladders or operator suspended job, because flat chisel or knife blade chisel inconsistent to adjust the position or angle of the hammer is not easy, affect operation effectiveness.

发明内容 SUMMARY

[0003] 为了解决现有的电镐的夹套不能转动,影响电镐作业等技术问题;本发明提供一种可转动的凿子夹套总成,该夹套总成不仅可夹紧凿子,同时,在凿子的刀口与凿孔或槽方向不一致时,可旋转夹套使凿子的刀口与凿孔或槽一致,方便进行作业。 [0003] In order to solve the conventional jacket can not rotate the hammer, the hammer technical problems that affect operation and the like; the present invention provides a chisel rotatable collet assembly, the collet assembly can be clamped only chisel, while , when the edge direction inconsistent with holes or the grooves of the chisel, the jacket rotatable with the chisel edge consistent punctured or grooves to facilitate operation.

[0004] 为解决以上技术问题,本发明采取的技术方案是一种可转动的凿子夹套总成,其包括有可容置凿杆并可通过夹紧装置固定凿杆的主套管及连接主套管与电镐壳体的连接套管,主套管一端与连接套管相连接,夹紧装置安装在主套管的另一端;其特征在于所述的主套管一端穿过连接套管,另一端可转动的轴向固定于连接套管内,且在连接套管外设有卡转装置,该卡转装置包括有卡转滑套、多个滚珠及复位弹簧,在连接套管周侧壁上设有容置滚珠的通孔,在主套管的周侧壁上位于通孔的下方设有呈环形阵列的多个与滚珠配合的卡槽;卡转滑套及复位弹簧套置在连接套管外,卡转套管在复位弹簧的驱动下可沿连接套管水平位移并使置于通孔内的滚珠与卡槽相贴合锁定主套管的第一工作位置和在外力作用下驱动卡转套管水平位移并使滚珠与卡槽相分离的 [0004] To solve the above technical problem, the present invention takes technical means is a rotatable collet assembly chisel, comprising a main casing and connected to the rod and may be received by the cutting chisel clamping device fixing rod primary sleeve connected to the hammer housing sleeve, the sleeve end connected to the main casing connected to a clamping means mounted at the other end of the main sleeve; wherein one end of said main sleeve through the connecting sleeve pipe, the other end rotatably connected axially fixed to the inner sleeve, and the sleeve is connected in turn means outside the card, the card transfer means comprises a transfer sleeve cards, a plurality of balls and a return spring connected to the sleeve in the circumferential a through hole accommodating balls on the side wall below the through hole in the peripheral side wall of the main sleeve was provided with a plurality of annular array with the ball slot; card transfer sleeve and a return spring sleeved the outer sleeve is connected, the card transfer sleeve return spring connected to the horizontal displacement along the drive sleeve with the slot and placed in the through hole of the balls are bonded together to lock the first operating position of the main sleeve and the external force card for driving under the influence of the horizontal displacement of the sleeve with the slot and separated from the balls 第二工作位置。 The second work position.

[0005] 进一步,所述的连接套管内设有第一限位台阶,所述的卡转滑套包括有套置在连接套管外的被动滑套及套置在被动滑套外的主动滑套,被动滑套的外壁截面与主动滑套内壁截面均呈阶梯状并相互配合形成同步联动;在主动滑套外设有环形限位凸台,复位弹簧一端与被动滑套相抵压驱动滚珠与卡槽相贴合并使主动滑套一端与第一限位台阶相顶压限位,在外力驱动下主动滑套和被动滑套同步水平位移使滚珠与卡槽相分离且可使主动滑套的限位凸台与夹紧装置相抵压限位;在被动滑套内壁设有可驱动滚珠与卡槽相抵压的第二限位台阶,第二限位台阶与端部开口的内壁形成阶梯状。 [0005] Further, connection sleeve equipped with a first limiting step, said sliding sleeve comprises a card for passive sleeved on the outer sleeve and the coupling sleeve sleeved active to passive slide in the sleeve sleeve, the outer wall of the sleeve sectional passive and active slide sleeve and the inner wall stepped cross section showed cooperate moved simultaneously formed; has an annular stop projection in the active peripheral sleeve, and an end of the passive return spring pressure against the sliding sleeve and the drive balls slot so that the active phase combined sleeve attached at one end to a first limiting step with top pressure limit, the force driving the drive sleeve and the sleeve passive synchronization with horizontal displacement of the balls and allow the active phase separation slot of the sliding sleeve limit protrusion of the clamping means pressing against the stopper; limiting step may be provided with a second slot against the drive balls with passive pressure sleeve inner wall, the inner wall of the end portion of the second stopper stepped opening formed stepped.

[0006] 进一步,所述的被动滑套与复位弹簧相抵压的一端设有环形凸台,复位弹簧置于环形凸台内。 [0006] Further, one end of the sleeve and a passive return spring pressure against the annular projection is provided with a return spring disposed within the annular boss. [0007] 进一步,所述的卡槽呈开口U形状,截面为弧形与滚珠的外径相匹配,所述的滚珠设有2〜4个,在连接套管的侧壁上对称设有容置滚珠的通孔。 [0007] Further, the form of the opening of the U-shaped slot, an arcuate cross-section matches the outer diameter of the ball, the ball is provided with a 2 ~ 4, are symmetrically arranged on the side wall accommodating the connector bushing facing the through hole of the ball.

[0008] 进一步,所述的夹紧装置包括有套置在主套管外并可水平滑移的锁紧滑套和锁紧滑套同步联动并套置在锁紧滑套外的手推滑套及锁块,锁块可活动的固定在贯通主套管侧壁的沉孔内,复位弹簧一端与锁紧滑套相抵压,另一端与被动滑块相抵压,手推滑套在外力作用下可驱动锁紧滑套水平位移使锁块与凿杆方槽相分离的第一工作位置和在复位弹簧驱动锁紧滑套使锁块与凿杆方槽相扣合的第二工作位置。 [0008] Further, the clamping means comprises a sleeve-sync linkage in the main casing and the outer sleeve in sliding and locking sleeve and a locking sleeve disposed in the outer locking sleeve sliding push sleeve and locking block, the locking piece fixed to the movable side wall of the cannula through the main counterbore, a return spring pressing against one end of the locking sleeve, the other end is pressed against the passive slider, external force in the push sleeve the locking sleeve may drive the horizontal displacement of the lock lever side groove cutting block separated from a first operating position and a second working position the locking sleeve return spring driving the lock lever block and cutting the rectangular groove are engaged.

[0009] 进一步,所述的锁块设有两个,锁紧滑套的内壁上相应设有一端为开口的凹槽,在外力作用下锁块可置于凹槽内与凿杆的方槽相分离。 [0009] Further, the locking block is provided with two corresponding grooves provided on the inner wall of an opening end of the locking sleeve, the external force in the lock block can be placed within the groove and the groove side chisel rod phases were separated.

[0010] 进一步,所述的主套管的端部设有橡胶套,手推滑套在外力作用下一端与连接套管的限位凸台相顶压限位配合;在复位弹簧作用下手推滑套的另一端可与橡胶套相抵压限位配合。 [0010] Further, an end portion of said main sleeve is provided with a rubber sleeve, push one end of the sleeve by an external force and the stopper sleeve is connected with the boss pressed against the stopper fitting; start pushing action of the return spring the other end of the sliding sleeve can be fitted with a rubber sleeve pressed against the stopper. [0011] 本发明的有益效果是在连接套管外加设卡转装置,在使用时,利用复位弹簧驱动卡转滑套顶压滚珠使滚珠与主套管上的卡槽相贴合从而锁定主套管;而如果需要转动凿杆时,就可用手推动卡转滑套水平位移使顶压部位离开通孔上方,此时,转动主套管就能使滚珠与卡槽相分离实现凿杆的转动,从而方便凿杆角度的调节便于作业。 [0011] Advantageous effects of the present invention is provided in the external card for connecting the sleeve means, in use, the return spring drives the card pressed against the transfer sleeve that the balls on the ball and slot relative to the main sleeve bonded to thereby lock the main sleeve; and if necessary to rotate the cutting lever can be pushed by hand so that the horizontal displacement of card transfer sleeve pressed against the upper portion away from the through-hole, this time, the ball rotation of the main sleeve can be achieved with the slot phase separation chisel rod rotation, thereby facilitating easy to adjust the cutting angle lever operation.

附图说明 BRIEF DESCRIPTION

[0012] 图I为本发明实施例一种可转动的凿子夹套总成的剖视结构图 [0012] Figure I of the present embodiment of a rotatable cartridge jacket chisel sectional structural view of the invention embodiment

[0013] 图2为本发明实施例主套管的立体结构图 A perspective view of an embodiment of the main structure of cannula [0013] FIG. 2 of the present invention,

[0014] 图3为本发明实施例锁紧滑套的立体结构图 [0014] FIG. 3 a perspective view of the structure of the locking sleeve of the embodiment of the present invention.

具体实施方式 detailed description

[0015] 下面结合附图对本发明实施方式作进一步说明: [0015] DRAWINGS Embodiments of the present invention is further described:

[0016] 如图I至图3所示,本发明为一种可转动的凿子夹套总成,其包括有可容置凿杆并可通过夹紧装置4固定凿杆的主套管I及连接主套管I与电镐壳体的连接套管2,主套管I一端与连接套管2相连接,夹紧装置4安装在主套管I的另一端,为了解决现有的电镐在固定凿杆时,凿杆不能转动影响作业等技术问题;所述的主套管I 一端穿过连接套管2,另一端可转动的轴向固定于连接套管2内,且在连接套管2外设有卡转装置3,该卡转装置3包括有卡转滑套31、多个滚珠32及复位弹簧33,在连接套管2周侧壁上设有容置滚珠32的通孔21,在主套管I的周侧壁上位于通孔21的下方设有呈环形阵列的多个与滚珠32配合的卡槽11 ;卡转滑套31及复位弹簧33套置在连接套管2外,卡转套管31在复位弹簧33的驱动下可沿连接套管2水平位移并使置于通孔21内的滚珠32与卡槽11相贴合锁定主套管I的 [0016] FIG. I to 3, the present invention is a chisel rotatable collet assembly, which comprises a cutting bar and can accommodate the main sleeve I through the fixed cutting bar clamping means 4 and and connecting the main casing I connected to the hammer housing sleeve 2, one end of the main casing I connected to the sleeve 2 is connected to the clamping device 4 is mounted on the other end of the main sleeve I, in order to solve the conventional hammer when the fixed cutting bar, the lever can not be rotated chisel technical problems that affect operation and the like; an end of said main sleeve I through the connecting sleeve 2, the other end rotatably connected axially fixed to the sleeve 2 and the connecting sleeve tube 2 outside the card transfer means 3, the card transfer unit 3 comprises a card transfer sleeve 31, the balls 32 and the return spring 33, a through hole receiving the balls 32 in the peripheral side wall connected to the sleeve 2 21, on the main sleeve of the peripheral side wall I positioned below the through-hole 21 is provided with a plurality of annular array of balls 32 engaged with the slot 11; sleeve 31 and the card for the return spring 33 sleeved on the coupling sleeve 2, the sleeve 31 may be transferred along a card connector bushing 2 and the horizontal displacement of the return spring 33 under the driving of the balls placed in through holes 32 and locking slots 11 are bonded together within the main sleeve 21 I 第一工作位置和在外力作用下驱动卡转套管31水平位移并使滚珠32与卡槽11相分离的第二工作位置;在连接套管2外加设卡转装置3,在使用时,利用复位弹簧33驱动卡转滑套31顶压滚珠32使滚珠32与主套管I上的卡槽11相贴合从而锁定主套管I ;而如果需要转动凿杆时,就可用手推动卡转滑套31水平位移使顶压部位离开通孔21上方,此时,转动主套管I就能使滚珠32与卡槽11相分离实现凿杆的转动,从而方便凿杆角度的调节便于作业。 A first operating position and a card for driving an external force horizontal displacement of the sleeve 31 and a second operating position of the ball 32 and the slot 11 is separated; the connecting sleeve plus 2 provided the card transfer means 3, when in use, using card for a return spring 33 drives the sliding bush 31 press the balls 32 and the balls 32 in the slot 11 of the sleeve main I bonded so that the locking sleeve main I; and if required rotates the chisel rod, can be pushed by hand card for horizontal displacement sleeve 31 so that the top portion away from the pressure above the through-hole 21, at this time, I can make the rotation of the main sleeve 32 and the slot 11 to rotate the balls to achieve phase separation chisel rod, thereby adjusting the angle of the lever to facilitate easy cutting operation. [0017] 在本实施例中,所述的连接套管2内设有第一限位台阶22,所述的卡转滑套31包括有套置在连接套管2外的被动滑套311及套置在被动滑套311外的主动滑套312,被动滑套311的外壁截面与主动滑套312内壁截面均呈阶梯状并相互配合形成同步联动;在主动滑套312外设有环形限位凸台3121,复位弹簧33 —端与被动滑套311相抵压驱动滚珠32与卡槽11相贴合并使主动滑套312 —端与第一限位台阶22相顶压限位,在外力驱动下主动滑套312和被动滑套311同步水平位移使滚珠32与卡槽11相分离且可使主动滑套312的限位凸台3121与夹紧装置4相抵压限位;在被动滑套311内壁设有可驱动滚珠32与卡槽11相抵压的第二限位台阶3111,第二限位台阶3111与端部开口的内壁形成阶梯状;在使用时如需转动凿杆,就可用手推动主动滑套312水平位移(沿图I左侧滑移),受主动滑套312与被动滑套311 [0017] In the present embodiment, the connection sleeve 2 equipped with a first limiting step 22, the card 31 comprises a transfer sleeve is sleeved in a passive coupling sleeve 2 and the outer sleeve 311 active sleeve sleeved on the outer sleeve 311, 312 of passive, passive sleeve cross section of the outer wall 311 of sleeve 312 and the inner wall of active showed a stepped cross-section and cooperating moved simultaneously formed; active in sleeve 312 with an annular peripheral stop boss 3121, the return spring 33 - end of the sleeve 311 and the passive pressure against the drive balls 32 and the slot 11 so that the active phase combined sleeve attached 312-- limiting step of the first end 22 pressed against the stop, the driven force active and passive sleeve 312 sleeve 311 synchronized with the horizontal displacement of the ball 32 and the slot 11 allows the active phase separation limit protrusion 3121 with sliding sleeve clamping means 4 press against the stopper 312; passive slide sleeve 311 in the inner wall provided with a second stopper 3111, 3111 and the inner wall of the stepped portion of the opening end of the second step may drive the stopper 11 against the balls 32 and the slot is formed stepped pressure; chisel rod For use when rotated, can be pushed by hand active horizontal displacement of the sliding sleeve 312 (the left side in FIG slip I), by active and passive sleeve 312 sleeve 311 内外阶梯的限制使被动滑套311同步联动,此时,被动滑套311的第二限位台阶3111与滚珠32相分离且主动滑套312 —端与夹紧装置4相贴合,防止滚珠32从通孔21内滚出,这样转动凿杆就能使滚珠32与卡槽11相分离实现凿杆的角度调节;当调节完成后,复位弹簧33就可驱动被动滑套311和主动滑套312水平位移(沿图I右侧滑移),此时,第二限位台阶3111就可顶压滚珠32使滚珠32与卡槽11相贴合锁定主套管I ;当第二限位台阶3111顶压在滚珠32上方时,主动滑套312 —端可与限位凸台22相贴合形成限位。 Inner and outer step of limiting sleeve 311 so that the passive synchronization linkage, case, passive sleeve of the second stopper 311 and the step 3111 and the balls 32 separated sleeve active 312-- end clamping means 4 are bonded together to prevent the balls 32 Get out from the through-hole 21, so that rotation of the ball 32 can chisel rod 11 and the slot angle to achieve phase separation chisel adjustment lever; when the adjustment is completed, the return spring 33 can be passively driven sleeve 311 and sleeve 312 active horizontal displacement (in the right side of FIG slip I), in this case, the second limiting step 3111 can press the balls 32 of the ball 11 with the slot 32 and lock the primary sleeve bonded I; step 3111 when the second limit when pressed against the top of the balls 32, sleeve active 312-- end stop boss 22 may be bonded to form a stop phase.

[0018] 在本实施例中,所述的被动滑套311与复位弹簧33相抵压的一端设有环形凸台3112,复位弹簧33置于环形凸台3112内,在被动滑套311 —端设环形凸台3112,这样就可防止复位弹簧33错位影响主动滑套312和被动滑套311的水平位移。 [0018] In the present embodiment, one end of the sleeve 311 and the passive restoring spring 33 pressed against the annular projection 3112 is provided, the return spring 33 disposed within the annular boss 3112, passive sleeve 311 - disposed end annular boss 3112, thus preventing misalignment of the return spring 33 horizontal displacement active and passive sleeve 312 of the sleeve 311.

[0019] 在本实施例中,为保证主套管I在工作时的稳定性,所述的卡槽11呈开口U形状,截面为弧形与滚珠32的外径相匹配,所述的滚珠32设有2〜4个,在连接套管2的侧壁上·对称设有容置滚珠32的通孔21,将卡槽11设为开口U形状,这样可利于卡槽11的生产加工,而将卡槽11截面设为与滚珠32相匹配的弧形,这样在被动滑套311的第二限位凸台3111顶压滚珠32时就能使滚珠32与卡槽11相贴合,最大程度的保证主套管I的锁紧牢固度,防止在冲击时主套管I发生转动;而将滚珠32设置2〜4个,就可利用滚珠32从两个或四个方向同时对主套管I施加挤压力,最大程度的保证主套管I的锁紧牢固度。 [0019] In the present embodiment, in order to ensure the stability of the main tube I at work, the slot 11 has a U-shaped opening, the outer diameter of the arcuate section 32 matches the ball, the ball 32 is provided with a 2 ~ 4, on the side wall of the connecting sleeve 2-symmetrically arranged receiving through hole 21 of the ball 32, the U-shaped slot 11 to open, which can facilitate production and processing slot 11, the slot 11 and the arcuate cross-section to match the balls 32, so that when the second passive sleeve 311 stopper boss 3111 can press the balls 32 of the ball 32 and the slot 11 are bonded together, the maximum degree of assurance that the main locking sleeve I fastness to prevent shock when the main sleeve from rotating I; ~ 4 and the two balls 32 disposed, the balls 32 can use two or four directions from the main sleeve while I tube pressing force is applied, the maximum degree of assurance I primary sleeve locking firmness.

[0020] 在本实施例中,所述的夹紧装置4包括有套置在主套管I外并可水平滑移的锁紧滑套41和锁紧滑套41同步联动并套置在锁紧滑套41外的手推滑套42及锁块43,锁块43可活动的固定在贯通主套管I侧壁的沉孔12内,复位弹簧33 —端与锁紧滑套41相抵压,另一端与被动滑块311相抵压,手推滑套42在外力作用下可驱动锁紧滑套41水平位移使锁块43与凿杆方槽相分离的第一工作位置和在复位弹簧33驱动锁紧滑套41使锁块43与凿杆方槽相扣合的第二工作位置;在使用时如需安装凿子或凿铲,用手推动手推滑套42带动锁紧滑套41水平滑移(向图I右侧滑移),然后再将凿杆插入主套管I内顶压锁块43并使锁块43置于凿杆的方槽中,再松开手推滑套42,此时,锁紧滑套41在复位弹簧33的作用下带动手推滑套42水平位移(向图I左侧滑移)并顶压锁块43使凿杆固定于主套管I内锁紧连接 [0020] In the present embodiment, the clamping device 4 comprises an outer sleeve disposed in the main casing I and in sliding the locking sleeve 41 and the locking sleeve 41 is moved simultaneously in the lock and sleeved hand tightening the outer sleeve 41 to push the sleeve 42 and the lock block 43, the movable locking block 43 is fixed through the side wall of the main casing I counterbore 12, the return spring 33 - an end of the locking sleeve 41 against pressure the other end of the slider 311 against the passive pressure, push sleeve 42 may be driven by an external force the locking sleeve 41 so that the horizontal displacement of the first operating position and a rectangular groove chisel rod separate locking block 43 and a return spring 33 driving the locking sleeve 41 so that the lock block 43 and the second working position the chisel rod side of the groove are engaged; when used for installation or chisel blade chisel, hand-pushing push sleeve 42 to drive the locking sleeve 41 levels slip (slip to the right in FIG. I), and then cutting the rod into the master I pressed against the locking sleeve blocks 43 and 43 disposed side locking block groove chisel rod, then release the push sleeve 42 at this time, the locking sleeve 41 to drive push sleeve 42 horizontal displacement (sliding toward the left in FIG. I) and pressed against the locking block 43 so that chisel rod fixed to the main lock casing I in the action of the return spring 33 tight connection 同样,在拆卸凿杆时也只需用手推动手推滑套42带动锁紧滑套41水平位移(向图I右侧滑移)使锁块43具有向上位移的空间,这样再抽取凿杆就可使凿杆与主套管I分离拆卸。 Also, when removing the cutting push rod also just hand push sleeve 42 locking sleeve 41 driven by the horizontal displacement of the lock block 43 (to the right in FIG slip I) having a space upward displacement, so that re-extraction chisel rod you can make the chisel rod detached primary sleeve I separated.

[0021] 在本实施例中,为保证凿杆与主套管I的连接牢固度,所述的锁块43设有两个,锁紧滑套41的内壁上相应设有一端为开口的凹槽411,在外力作用下锁块43可置于凹槽411内与凿杆的方槽相分离,将锁块43设置两个,并在锁紧滑套41内设置两个可容置锁块43的凹槽411,这样在用手推动手推滑套42带动锁紧滑套41水平滑移(向图I右侧滑移)时,凿杆插入主套管I内就可顶压锁块43使锁块43置于凹槽411内,当凿杆插入到位后,锁块43在自重压力下向下位移并卡入凿杆的方槽中,此时,松开手推滑套42,复位弹簧33就可驱动锁紧滑套41顶压锁块43使凿杆与主套管I固定连接,并使手推滑套42 —端与主套管I相抵压限位;通过设置凹槽411,可极大的便于锁块43向上位移,防止锁块43脱离沉孔12,保证锁块43的工作稳定性。 [0021] In the present embodiment, in order to ensure a firm connection of the main casing I chisel rod, said locking block 43 is provided with two corresponding recesses provided on the inner wall of an opening end of the locking sleeve 41 groove 411, the external force in the lock block 43 may be placed within the recess 411 is separated from the rectangular groove chisel rod, the two locking block 43 is provided, and the locking sleeve 41 disposed within the accommodating two locking blocks 43 groove 411, so that the hand-pushing drive push the locking sleeve 42 in sliding sleeve 41 (to the right in FIG slip I), cutting the rod inserted into the main sleeve can be pressed against the locking block I 43 the locking block 43 in the groove 411, when the chisel rod is inserted in place, locking block 43 displaced downwardly under gravity pressure vessel and snap into square chisel rod, in which case, push release sleeve 42, the return spring 33 can drive the locking sleeve 41 press the locking piece 43 so that the chisel rod is fixedly connected with the main casing I, and the push sleeve 42-- I against the sleeve end of the main pressure limit; by providing a groove 411, can greatly facilitate the upward displacement of the lock block 43, to prevent the locking block 43 from the counterbore 12, to ensure the operation stability of the lock block 43.

[0022] 在本实施例中,为了对手推滑套42及主动滑套312的滑移行程进行限定,所述的主套管I的端部设有橡胶套13,手推滑套312在外力作用下一端与连接套管2的限位凸台22相顶压限位配合;在复位弹簧33作用下手推滑套42的另一端可与橡胶套13相抵压限位配合;当需要安装凿杆时,手推滑套42 (向图I右侧)水平位移,当锁紧滑套41的凹槽411置于锁块43上方时,手推滑套42 —端与主动滑套312的限位凸台3121相抵压限位;当安装完成后,复位弹簧33驱动锁紧滑套41顶压锁块43与凿杆的方槽相抵压并使手推滑套42 —端与橡胶套13相贴合限位;如需要转动主套管I时,用手推动主动滑套312水平位移(向图I左侧),当被动滑套311内的第二限位台阶3111远离滚珠32时,主动滑套312上的限位凸台3121就可与手推滑套42 —端相贴合限位,此时,就可转动主套管I完成主套管I的角度调 [0022] In the present embodiment, in order to push the opponent sliding stroke of the sliding sleeve 42 and the sleeve 312 is active defining the ends of the main sleeve 13 I is provided with a rubber sleeve, the push sleeve 312 external under the action of the stopper sleeve 2 end connected to a boss 22 fitted with top pressure limit; the start of the return spring 33 pushes the other end of the sleeve 42 may be fitted with a rubber sleeve 13 pressing against the stopper; chisel rod when it is necessary to install when the push sleeve 42 (to the right in FIG. I) horizontal displacement of the sliding sleeve 41 when the locking recess 411 disposed above the locking block 43, push the sliding sleeve 42 - Position of the active end of the sleeve 312 3121 press against the stopper projections; when installation is complete, the return spring 33 drives the locking sleeve 41 locking block 43 and the cutting pressure lever against the pressure side of the groove and push the sliding sleeve 42-- end of the rubber sleeve 13 with stickers closing limit; as needed when the sleeve rotates the main I, hand push sleeve 312 active horizontal displacement (to the left in FIG. I), 32, when the active passive slide sleeve 311 away from the second stopper stepped ball 3111 limiting boss 3121 on the sleeve 312 and push the sliding sleeve can 42-- end bonded to limit, at this time, I can complete rotation of the main sleeve adjust the angle of the main casing I ,当完成角度调节后,松开主动滑套312,被动滑套311在复位弹簧33的驱动下(向图I右侧)水平位移,当第二限位台阶3111顶压滚珠32与卡槽11相贴合后,主动滑套312 —端就可与连接套管2上的第一限位台阶22相抵压限位配合。 , When the angle adjustment is completed, release sleeve 312 active, passive driving the reset sleeve 311 in the spring 33 (to the right in FIG. I) horizontal displacement, when the second limiting step 3111 and the balls 32 press slot 11 after phase bonded, active sleeve 312-- end of the sleeve can be connected to the first and second step on the stopper 22 comes into press-fit limit.

[0023] 上述实施例不应视为对本发明的限制,但任何基于本发明的精神所作的改进,都应在本发明的保护范围之内。 [0023] The above embodiments should not be considered as limiting the present invention, but any improvement based on the spirit of the present invention is made, it should be within the scope of the present invention.

Claims (7)

  1. 1. 一种可转动的凿子夹套总成,其包括有可容置凿杆并可通过夹紧装置固定凿杆的主套管及连接主套管与电镐壳体的连接套管,主套管一端与连接套管相连接,夹紧装置安装在主套管的另一端;其特征在于所述的主套管一端穿过连接套管,另一端可转动的轴向固定于连接套管内,且在连接套管外设有卡转装置,该卡转装置包括有卡转滑套、多个滚珠及复位弹簧,在连接套管周侧壁上设有容置滚珠的通孔,在主套管的周侧壁上位于通孔的下方设有呈环形阵列的多个与滚珠配合的卡槽;卡转滑套及复位弹簧套置在连接套管外,卡转套管在复位弹簧的驱动下可沿连接套管水平位移并使置于通孔内的滚珠与卡槽相贴合锁定主套管的第一工作位置和在外力作用下驱动卡转套管水平位移并使滚珠与卡槽相分离的第二工作位置。 A chisel rotatable collet assembly, which comprises a cutting bar and can be accommodated by a clamping means for fixing the main casing and chisel rod connection sleeve and the main casing of the hammer housing, a main One end of the sleeve and the sleeve is connected is connected to the other end of the sleeve means mounted on the main clamp; wherein one end of said main sleeve through the connecting sleeve, the other end rotatably connected axially fixed to the inner sleeve and in turn connected to the sleeve means outside the card, the card transfer means comprises a transfer sleeve cards, a plurality of balls and a return spring, the through hole receiving the balls is provided on a peripheral side wall connected to the sleeve, the main located below the through hole and a plurality of balls annular mating slot array on the peripheral side wall of the sleeve; card for a return spring sleeve and an outer sleeve disposed in the coupling sleeve, the sleeve in the card for the return spring may be driven with a first operative position attached locking engagement with the primary sleeve slot is connected along the horizontal displacement of the ball sleeve and disposed through hole and the sleeve drive card for horizontal displacement by an external force to the card and balls a second phase separation tank working position.
  2. 2.如权利要求I所述的一种可转动的凿子夹套总成,其特征在于所述的连接套管内设有第一限位台阶,所述的卡转滑套包括有套置在连接套管外的被动滑套及套置在被动滑套外的主动滑套,被动滑套的外壁截面与主动滑套内壁截面均呈阶梯状并相互配合形成同步联动;在主动滑套外设有环形限位凸台,复位弹簧一端与被动滑套相抵压驱动滚珠与卡槽相贴合并使主动滑套一端与第一限位台阶相顶压限位,在外力驱动下主动滑套和被动滑套同步水平位移使滚珠与卡槽相分离且可使主动滑套的限位凸台与夹紧装置相抵压限位;在被动滑套内壁设有可驱动滚珠与卡槽相抵压的第二限位台阶,第二限位台阶与端部开口的内壁形成阶梯状。 2. A chisel rotatable collet assembly as claimed in claim I, wherein said connecting sleeve equipped with a first limiting step, said sliding sleeve comprises a card for connecting sleeved passive sleeve and the outer sleeve sleeved active passive sleeve of the outer sleeve, the outer wall of the sleeve sectional passive and active slide sleeve and the inner wall stepped cross section showed cooperatively define synchronization linkage; the peripheral sleeve in the active annular projection stopper, the return spring pressure against one end of the drive sleeve passive ball and slot relative to the sliding sleeve attached to one end of combined so that the active phase of the first step pressed against the limit stop, the driving force in the sleeve active and passive slide horizontal displacement of the ball sleeve synchronous with the slot and allow the active phase separation of the sleeve and the clamping means limiting bosses pressing against the stopper; may be provided with a second driving ball and slot limits the pressure against the inner wall of the sleeve in the passive step position, and the wall of the second end portion of the opening limiting step is formed stepped.
  3. 3.如权利要求2所述的一种可转动的凿子夹套总成,其特征在于所述的被动滑套与复位弹簧相抵压的一端设有环形凸台,复位弹簧置于环形凸台内。 3. The assembly of one of said chisel jacket rotatable claim 2, wherein one end of the passive return spring against the pressure sleeve is provided with an annular projection, a return spring disposed within the annular boss .
  4. 4.如权利要求3所述的一种可转动的凿子夹套总成,其特征在于所述的卡槽呈开口 U 形状,截面为弧形与滚珠的外径相匹配,所述的滚珠设有2〜4个,在连接套管的侧壁上对称设有容置滚珠的通孔。 Collet assembly as claimed in one of the chisel 3 the rotatable ball is provided, characterized in that said openings form a U-shaped slot, an arcuate cross-section and an outer diameter of the balls is matched, there are a 2 ~ 4, a through hole symmetrically accommodating balls on the side wall of the connecting sleeve.
  5. 5.如权利要求4所述的一种可转动的凿子夹套总成,其特征在于所述的夹紧装置包括有套置在主套管外并可水平滑移的锁紧滑套和锁紧滑套同步联动并套置在锁紧滑套外的手推滑套及锁块,锁块可活动的固定在贯通主套管侧壁的沉孔内,复位弹簧一端与锁紧滑套相抵压,另一端与被动滑块相抵压,手推滑套在外力作用下可驱动锁紧滑套水平位移使锁块与凿杆方槽相分离的第一工作位置和在复位弹簧驱动锁紧滑套使锁块与凿杆方槽相扣合的第二工作位置。 5. Chisel according to a 4-jacket assembly as claimed in claim rotatable, wherein said clamping means comprises a locking sleeve and the lock sleeve facing the main outer sleeve in sliding and moved simultaneously tight sleeve and a locking sleeve disposed in the outer sleeve and the lock sleeve of the push block, the fixed locking piece movable in the through hole of the main sleeve sidewall sink, a return spring against one end of the locking sleeve press the other end pressed against the passive slide, push the driving sleeve may be locked by an external force the first operating position the horizontal displacement of the locking sleeve and the cutting block rectangular groove phase separation lever return spring and locking slide driver sets the second operating position the lock lever side cutting block are engaged in the groove.
  6. 6.如权利要求5所述的一种可转动的凿子夹套总成,其特征在于所述的锁块设有两个,锁紧滑套的内壁上相应设有一端为开口的凹槽,在外力作用下锁块可置于凹槽内与凿杆的方槽相分离。 6. Chisel according to a five-jacket assembly as claimed in claim rotatable, characterized in that said locking block is provided with two corresponding grooves provided on the inner wall of one end opening of the locking sleeve, an external force-locking block can be placed separated from the rod side of the recess groove chisel.
  7. 7.如权利要求6所述的一种可转动的凿子夹套总成,其特征在于所述的主套管的端部设有橡胶套,手推滑套在外力作用下一端与连接套管的限位凸台相顶压限位配合;在复位弹簧作用下手推滑套的另一端可与橡胶套相抵压限位配合。 7. The assembly of one of said chisel jacket rotatable claim 6, wherein an end of said main sleeve is provided with a rubber sleeve, the push sleeve connected to one end of the sleeve by an external force the top pressure limit protrusion with the stopper fitting; can be used with the rubber sleeve pressed against the stopper at the other end of the return spring to start to push the sleeve.
CN 201210395599 2012-10-08 2012-10-08 Rotatable chisel jacket assembly CN102922492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201210395599 CN102922492A (en) 2012-10-08 2012-10-08 Rotatable chisel jacket assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201210395599 CN102922492A (en) 2012-10-08 2012-10-08 Rotatable chisel jacket assembly

Publications (1)

Publication Number Publication Date
CN102922492A true true CN102922492A (en) 2013-02-13

Family

ID=47637493

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201210395599 CN102922492A (en) 2012-10-08 2012-10-08 Rotatable chisel jacket assembly

Country Status (1)

Country Link
CN (1) CN102922492A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103737559A (en) * 2014-01-24 2014-04-23 江苏恒丰电动工具有限公司 Improved electric pick transmission mechanism
CN105328643A (en) * 2015-10-23 2016-02-17 江苏恒丰电动工具有限公司 Electric hammer

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131165A (en) * 1976-04-28 1978-12-26 Robert Bosch Gmbh Hammer drill
US4174113A (en) * 1978-05-08 1979-11-13 Dresser Industries, Inc. Bit retainer for pneumatic tools
US4434859A (en) * 1981-06-29 1984-03-06 Hilti Aktiengesellschaft Hammer drill for performing rotary drilling or percussive drilling
US5586607A (en) * 1994-04-25 1996-12-24 Hilti Aktiengesellschaft Manually operated chipping tool
JP2000334681A (en) * 1999-05-08 2000-12-05 Black & Decker Inc Rotary hammer
EP2283976A2 (en) * 2009-08-14 2011-02-16 Robert Bosch GmbH Tool holder device for a hammer drill
CN202781071U (en) * 2012-10-08 2013-03-13 方大控股有限公司 Rotatable chisel clamping sleeve assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131165A (en) * 1976-04-28 1978-12-26 Robert Bosch Gmbh Hammer drill
US4174113A (en) * 1978-05-08 1979-11-13 Dresser Industries, Inc. Bit retainer for pneumatic tools
US4434859A (en) * 1981-06-29 1984-03-06 Hilti Aktiengesellschaft Hammer drill for performing rotary drilling or percussive drilling
US5586607A (en) * 1994-04-25 1996-12-24 Hilti Aktiengesellschaft Manually operated chipping tool
JP2000334681A (en) * 1999-05-08 2000-12-05 Black & Decker Inc Rotary hammer
EP2283976A2 (en) * 2009-08-14 2011-02-16 Robert Bosch GmbH Tool holder device for a hammer drill
CN202781071U (en) * 2012-10-08 2013-03-13 方大控股有限公司 Rotatable chisel clamping sleeve assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103737559A (en) * 2014-01-24 2014-04-23 江苏恒丰电动工具有限公司 Improved electric pick transmission mechanism
CN105328643A (en) * 2015-10-23 2016-02-17 江苏恒丰电动工具有限公司 Electric hammer

Similar Documents

Publication Publication Date Title
CN204276947U (en) Three-jaw chuck
CN2411086Y (en) Morse taper-shank handle separator
US20060048554A1 (en) Rotary locking cylinder for a safety lock
US20090277308A1 (en) Open-faced rod spinner
CN201424929Y (en) Clamp used for drilling machine capable of horizontally and directionally drilling into laid pipes
US6702014B1 (en) Deflector tool for deflecting items through a window in borehole casing
JPH09328983A (en) Down-the-hole hammer
CN201339347Y (en) Lock with handle
JP2011254760A (en) Working machine with main pole
CN201013233Y (en) Pneumatic hammer down-hole concentric tube drill
CN2790643Y (en) Chuck rapid-changing mechanism
CN203701734U (en) Lock with quick-reversing clutch
US20120260602A1 (en) Fabricating the locking steps in the groove element of spring-loaded split-tongue locking connector system
CN2754336Y (en) Electric prunning shears
CN201092052Y (en) Safe multi-purpose knife
CN202706969U (en) Core drill bit
CN201933851U (en) Telescopic handle of safe
CN1765589A (en) Power tool, adapter and method of operating the same
US20100313715A1 (en) Power driven ratchet wrench
CN204571879U (en) Device for locking of screw rod drilling tool and unblock
JP2010234506A (en) Remote control gripping tool
CN202380986U (en) Anti-tripping device for working casing
CN205989070U (en) Electric drill
CN204082151U (en) Self-accommodating type hydraulic splitting equipment
CN202946052U (en) Clamp holder for uphole construction on boring machine

Legal Events

Date Code Title Description
C06 Publication
C10 Entry into substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)