CN106378763A - Attachable core-driven double-head powder shaft sleeve pickup - Google Patents

Abstract

The invention discloses an attachable core-driven double-head powder shaft sleeve pickup. The attachable core-driven double-head powder shaft sleeve pickup is characterized by comprising a pickup part and a handle part. The pickup part is provided with a chuck and an elastic yarn. The handle part is provided with a core rod, the outer diameter of which is equal to that of a casing pipe. The upper end of the core rod is connected to a button, a threaded joint connected to a threaded connector is arranged at the lower end of the core rod, the lower end of the threaded joint presses the upper end of the casing pipe, a holding pipe externally sleeves the casing pipe and the core rod, a retraction edge is arranged at the inner edge of the lower end of the holding pipe, a boss is arranged on the upper part of the core rod, a compression spring sleeving the core rod is arranged between the boss and the retraction edge, a radial shaft is connected to the core rod above the compression ring, a longitudinal limiting chute is arranged on the side wall of the holding pipe, the end head of the radial shaft fits the longitudinal limiting chute, an ejector pipe is connected to the lower end of the holding pipe in a locking manner, a bottom plate is arranged at the lower end of the ejector pipe, and an opening where an stretch yarn extends downward is arranged on the bottom plate; the handle disclosed by the invention is easy to hold, the pressing operation is more convenient, and the handle is more stable and little to jitter if being released.

Description

A kind of dnockout core drives two powder axle sleeve pick-up

Technical field

The present invention relates to a kind of instrument of powder metallurgy axle sleeve pickup, more particularly to a kind of dnockout core drives two powder Axle sleeve pick-up.

Background technology

China is industrial power, and the manufacturing industry with scientific and technological progressive China flourishes, and economy is become stronger day by day, new technique New material constantly emerges in large numbers, one of powdered metallurgical material.Powder metallurgy can manufacture porous, half fine and close or full compact part Part, such as oilite bushing, are widely used in various industrial trades, without machining, have the chemical composition of uniqueness and machinery, Physical property, is cannot to be obtained with traditional method for metal working, wherein iron powder has the characteristics that low cost is practical And be widely used.

When existing metallurgical powder oilite bushing produces and installs, because its hole is filled with lubricating oil, installing front surface also has It is to be impregnated with lubricating oil, if fruit handss are directly taken and are easy to be infected with debris during operation, affect its serviceability, because it is The structure of the circular overcoat driving release being held with existing instrument tweezers and discharging all unstable, research and develop before inventor, hand Pressing operation is inconvenient, easily produces in pressing and rocks, still needs to be improved.

Content of the invention

In order to solve the above problems, the invention provides a kind of dnockout core drives two powder axle sleeve pick-up.

The technical solution used in the present invention is：A kind of dnockout core drives two powder axle sleeve pick-up it is characterised in that including Pickup section and handle portion, pickup section is provided with chuck and elastic filament, and elastic filament is one, and elastic filament doubling is symmetrical left half Portion and right-hand part, the epimere of left side and right-hand part elastic filament is the straight portions being closely packed together, in left side and right-hand part Section is gradually bent outwardly, the hypomere gradually interior receipts of left side and right-hand part, and hypomere and stage casing junction form arch, chuck epimere For threaded connector, chuck stage casing forms up-small and down-big cone by stretching downwards with threaded connector junction, and cone is provided with The symmetrical claw before and after being classified as of the left and right gap that about runs through, before and after claw opposite face is respectively equipped with center ofthe Symmetrical vertical spacing groove, the epimere of left side and right-hand part elastic filament is inserted into and coincide between two vertical spacing grooves, cone External side is provided with sleeve, and its lower end is provided with one and holds out against the conical surface on outside cone；Handle portion is provided with and sleeve outer phase Deng core bar, core bar upper end is connected with button, and core bar lower end is provided with the hickey being connected with threaded connector, under hickey Side pressure, in sleeve upper end, is arranged with gripping pipe outside sleeve pipe and core bar, grip pipe lower end inner edge and be provided with interior receipts edge, core bar top sets There is boss, be provided with, between boss and interior receipts edge, the compression spring being enclosed within core bar, square core rod in compression spring is connected with radial axle, Grip tube side wall and be provided with the longitudinal spacing chute that radial direction shaft end head coincide wherein, grip pipe lower end and be connected with ejection pipe, top Outlet pipe lower end is provided with base plate, and base plate is provided with and holds the gap that elastic filament extends downwardly from.

Further, described hypomere and stage casing junction are connected by changeover portion, and changeover portion is vertical state.

Under inventive article normality under compression spring effect, core bar is gone upward to radial axle and is pushed up with longitudinal spacing chute upper end Only, ejection pipe lower end base plate is located at elastic filament lower section, during use, with the button on thumb press core bar top, overcomes compression bullet Spring resistance core bar is descending with respect to gripping pipe, so that radial axle is stopped with longitudinal spacing chute lower end top, now elastic filament leans out base plate On gap, by elastic filament insert metallurgical powder oilite bushing core bore, elastic filament lean on its own resilient, hypomere and stage casing junction The arch being formed exerts a force to sleeve lining, and force application stabilization has been picked up axle sleeve, shifted or install, and decontrols thumb, core after putting in place Bar is up, and elastic filament bounces back, and base plate is contacted with axle sleeve, so that axle sleeve is departed from elastic filament, and hand grips, pressing operation is more convenient, During release more stable rock little, period without handss directly contact, axle sleeve be difficult contact debris, convenient reliability, pickup section can be more Changing, as long as unscrewing sleeve pipe easily can take off elastic filament, can be not only used for renewing it is also possible to change various sizes of elastic filament, Meet the installation requirements of different bore axle sleeves, and change together without related handle, ejection pipe can also change with sleeve size Change.

Brief description

Fig. 1 is embodiment of the present invention entirety cross-sectional schematic.

Fig. 2 decomposes cross-sectional schematic for the embodiment of the present invention.

Reference:1 epimere；2 stage casings；3 hypomeres；4 changeover portions；5 threaded connectors；6 cones；7 about gap；8 is vertical Stopper slot；10 sleeve pipes；11 conical surfaces；12 core bars；13 buttons；14 hickeys；15 grip pipe；Edge is received in 16；17 boss；18 compressions Spring；19 radial axles；20 longitudinal spacing chutes；21 ejection pipes；22 base plates；23 gap；24 snap fits；25 buckles.

Specific embodiment

As shown in Figure 1, 2, this dnockout core drives two powder axle sleeve pick-up to be provided with pickup section and handle to the embodiment of the present invention Portion, pickup section is provided with chuck and elastic filament, and elastic filament is one, and elastic filament doubling is symmetrical left side and right-hand part, The epimere 1 of left side and right-hand part elastic filament is the straight portions being closely packed together, and the stage casing 2 of left side and right-hand part is gradually outside Bending, the hypomere 3 gradually interior receipts of left side and right-hand part, hypomere and stage casing junction form arch, and arch can be one end arc Shape vault or one section of flat segments, the present embodiment hypomere and stage casing junction are connected by changeover portion 4, and changeover portion is perpendicular Straight state, can excessively preferably and sleeve lining linear contact lay, and connection is more stable, elastic filament can be curved by tinsel or Plastic material, as long as it is just permissible to have elasticity.Chuck epimere is threaded connector 5, and chuck hypomere is connected by with threaded connector Place stretches downwards and forms up-small and down-big cone 6, and cone is provided with symmetrical before and after one about the left and right gap 7 running through is classified as Claw, claw opposite face is respectively equipped with vertical spacing groove 8, left side and the right-hand part elastic filament symmetrical in front and back of center ofthe Epimere can be readily intercalated into and coincide between two vertical spacing grooves, be provided with sleeve 10 outside cone, its lower end is provided with One holds out against the conical surface 11 on outside cone.Handle portion is provided with the core bar 12 equal with sleeve outer, core bar upper end be connected with by Button 13, core bar lower end is provided with the hickey 14 being connected with threaded connector, and hickey lower end is pressed in sleeve upper end, makes claw Promptly elastic filament epimere, is arranged with gripping pipe 15 outside sleeve pipe and core bar, grip pipe lower end inner edge and be provided with and interior receive along 16, on core bar Portion is provided with boss 17, is provided with, between boss and interior receipts edge, the compression spring 18 being enclosed within core bar, square core rod in compression spring connects Have a radial axle 19, grip tube side wall and be provided with the longitudinal spacing chute 20 that radial direction shaft end head coincide wherein, achievable core bar and Grip the circumferential stop between pipe, and move up and down relative with gripping pipe to core bar carries out travel limit, grips pipe lower end and passes through Snap fit 24 and buckle 25 are connected with ejection pipe 21, and ejection pipe lower end is provided with base plate 22, and base plate is provided with appearance elastic filament and extends downwardly from Gap 23.

Under inventive article normality under compression spring effect, core bar is gone upward to radial axle and is pushed up with longitudinal spacing chute upper end Only, ejection pipe lower end base plate is located at elastic filament lower section, during use, with the button on thumb press core bar top, overcomes compression bullet Spring resistance core bar is descending with respect to gripping pipe, so that radial axle is stopped with longitudinal spacing chute lower end top, now elastic filament leans out base plate On gap, by elastic filament insert metallurgical powder oilite bushing core bore, elastic filament lean on its own resilient, hypomere and stage casing junction The arch being formed exerts a force to sleeve lining, and force application stabilization has been picked up axle sleeve, shifted or install, and decontrols thumb, core after putting in place Bar is up, and elastic filament bounces back, and base plate is contacted with axle sleeve, so that axle sleeve is departed from elastic filament, and hand grips, pressing operation is more convenient, During release more stable rock little, period without handss directly contact, axle sleeve be difficult contact debris, convenient reliability, pickup section can be more Changing, as long as unscrewing sleeve pipe easily can take off elastic filament, can be not only used for renewing it is also possible to change various sizes of elastic filament, Meet the installation requirements of different bore axle sleeves, and change together without related handle, ejection pipe can also change with sleeve size Change.

It is only present pre-ferred embodiments in sum, all equivalent modifications done according to the application and prior art are added all It is considered as the technology of the present invention category.

Claims (3)

1. a kind of dnockout core drives two powder axle sleeve pick-up it is characterised in that including pickup section and handle portion, and pickup section is provided with Chuck and elastic filament, elastic filament is one, and elastic filament doubling is symmetrical left side and right-hand part, left side and right-hand part The epimere of elastic filament is the straight portions being closely packed together, and the stage casing of left side and right-hand part is gradually bent outwardly, left side and the right side The hypomere of half portion gradually interior receipts, hypomere and stage casing junction form arch, and chuck epimere is threaded connector, chuck stage casing by with Threaded connector junction is stretched downwards and is formed up-small and down-big cone, and cone is provided with one about the left and right gap running through by its point For claw symmetrical in front and back, claw opposite face is respectively equipped with center ofthe before and after symmetrical vertical spacing groove, left side and The epimere of right-hand part elastic filament is inserted into and coincide between two vertical spacing grooves, is provided with sleeve, its lower end outside cone It is provided with one and hold out against the conical surface on outside cone；Handle portion is provided with the core bar equal with sleeve outer, core bar upper end be connected with by Button, core bar lower end is provided with the hickey being connected with threaded connector, and hickey lower end is pressed in sleeve upper end, sleeve pipe and core bar Outside is arranged with gripping pipe, grips pipe lower end inner edge and is provided with interior receipts edge, and core bar top is provided with boss, is provided between boss and interior receipts edge It is enclosed within the compression spring on core bar, square core rod in compression spring is connected with radial axle, grip tube side wall and be provided with radial direction axle head The longitudinal spacing chute that head coincide wherein, grips pipe lower end and is connected with ejection pipe, ejection pipe lower end is provided with base plate, base plate sets Have and hold the gap that elastic filament extends downwardly from.

2. a kind of dnockout core according to claim 1 drive two powder axle sleeve pick-up it is characterised in that described hypomere and Stage casing junction is connected by changeover portion, and changeover portion is vertical state.

3. a kind of dnockout core according to claim 1 drives two powder axle sleeve pick-up it is characterised in that described chuck sets There is the pre-and post perforative gap in front and back of center ofthe.