CN207593691U - A kind of bearing extractor - Google Patents
A kind of bearing extractor Download PDFInfo
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- CN207593691U CN207593691U CN201721310194.0U CN201721310194U CN207593691U CN 207593691 U CN207593691 U CN 207593691U CN 201721310194 U CN201721310194 U CN 201721310194U CN 207593691 U CN207593691 U CN 207593691U
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Abstract
The utility model is related to extracting tool technical fields, disclose a kind of bearing extractor, and including screw rod and support base, one end of screw rod is threadedly coupled with support base；Bearing extractor further includes click-on mechanism, and click-on mechanism includes multiple claws, and one end of claw is rotatably connected on the other end of screw rod, and the other end of claw is equipped with the drag hook extended along the direction of the central axis far from screw rod.By setting the drag hook extended along the direction of the central axis far from screw rod on claw, so that during bearing removal, drag hook can be made to stretch into the inner ring of bearing and catch on bearing, the one end for the support base being connect with screw rod is made to be resisted against on the surface of workpiece simultaneously, drag hook is driven to rise by rotating screw rod to realize, so as to which bearing be extracted, and then bearing is dismantled in the case that realization is contacted in the outer ring of bearing with workpiece.
Description
Technical field
The utility model is related to extracting tool technical field, more particularly to a kind of bearing extractor.
Background technology
Bearing is one of parts important in contemporary mechanical equipment, is mainly used for supporting mechanical rotary body, reduces machine
Friction coefficient in tool rotary body motion process, and ensure the convolution precision of mechanical rotary body.
In mechanical equipment, in order to ensure bearing can work normally, need that periodically bearing is safeguarded and replaced, because
This inevitably needs to dismantle bearing.At present, bearing is usually used La Mashi specific purpose tools and is dismantled, and passes through La Mashi
Drag hook on specific purpose tool catches on bearing, and rotates handle, pull rod to be driven to rise, so as to which bearing be extracted from workpiece.But
It is, when the outer ring of bearing dismantled is needed to contact with workpiece, due to very close to each other between the outer ring of bearing and workpiece, to cause to draw
Hook can not catch on bearing, be difficult to dismantle so as to cause bearing.
Utility model content
The purpose of this utility model is to provide a kind of bearing extractor, with solve when the outer ring of bearing for needing to dismantle with
When workpiece contacts, since the drag hook of existing La Mashi specific purpose tools can not catch on bearing and bearing is caused to be difficult to the technology dismantled
Problem.
In order to solve the above-mentioned technical problem, the utility model provides a kind of bearing extractor, including screw rod and support base,
One end of the screw rod is threadedly coupled with the support base；
The bearing extractor further includes click-on mechanism, and the click-on mechanism includes multiple claws, and the one of the claw
End is rotatably connected on the other end of the screw rod, and the other end of the claw is equipped with along the center far from the screw rod
The drag hook of the direction extension of axis.
Preferably, the click-on mechanism further includes the first fixing piece, and first fixing piece is connected to the spiral shell
On the other end of bar, the claw is rotatably connected on first fixing piece.
Preferably, the claw is 2, and two claws are respectively the first claw and the second claw.
Preferably, first fixing piece is equipped with the first threaded hole through its upper and lower surface, the screw rod
First threaded hole is passed through close to one end of the drag hook and is threadedly coupled with first threaded hole；First fixing piece
One end be equipped with through its upper and lower surface the first mounting groove, the described one end of first claw far from the drag hook is plugged on institute
It states in the first mounting groove；The other end of first fixing piece is equipped with the second mounting groove through its upper and lower surface, and described the
The one end of two claws far from the drag hook is plugged in second mounting groove.
Preferably, the click-on mechanism further includes adjusting latch assembly, and the adjusting latch assembly includes second
Fixing piece and fastener, second fixing piece are equipped with the first installation cavity through its upper and lower surface, and the screw rod is close to institute
The one end for stating drag hook passes through first installation cavity and is connected on second fixing piece；On one end of second fixing piece
The second threaded hole equipped with the side wall through first installation cavity, one end of the fastener and the second threaded hole screw thread
Connection, and one end of the fastener passes through second threaded hole and is connected on the right side wall of second claw.
Preferably, the right side wall of the described one end of second claw far from the drag hook is equipped with third threaded hole,
The fastener passes through one end of second threaded hole to be threadedly coupled with the third threaded hole.
Preferably, second fixing piece includes ontology, the first linking arm and the second linking arm, and described first connects
It connects arm to be connected on one end of the ontology, second linking arm is connected on the other end of the ontology, the ontology, institute
It states the first linking arm and second linking arm surrounds first installation cavity, second threaded hole is set on the ontology；
First claw is inserted between the free end of first linking arm and the free end of second linking arm, and is connected to institute
It states on the free end of the first linking arm and the free end of second linking arm；First linking arm is equipped with along far from described
First arc-shaped convex portion of the direction protrusion of the first installation cavity, second linking arm are equipped with along far from the described first installation
Second arc-shaped convex portion of the direction protrusion of chamber, and the first circular arc lug boss is opposite with the second circular arc lug boss sets
It puts；When first claw is connected on first linking arm and second linking arm, first arc-shaped convex
Portion and the second arc-shaped convex portion clamp the screw rod close to one end of the drag hook.
Preferably, the support base includes support base and is connected to stifled on the top of the support base
Lid, the support base are equipped with the first cavity through its upper and lower surface, and the blanking cover is equipped with through its upper and lower surface
4th threaded hole, one end that the screw rod is connect with the claw pass through the 4th threaded hole and stretch into first cavity
It is interior, and the screw rod is threadedly coupled with the 4th threaded hole.
Preferably, the second cavity through its left and right sidewall, and described second are additionally provided in the support base
Cavity is connected with first cavity, and the one end of second fixing piece far from first claw passes through second cavity.
Preferably, the bearing extractor further includes thread bush, and the thread bush is set on the support base
Outside, and the thread bush is connect with threaded one end of the screw rod far from the drag hook.
The utility model provides a kind of bearing extractor, including screw rod and support base, one end and the support base spiral shell of screw rod
Line connects；Bearing extractor further includes click-on mechanism, and click-on mechanism includes multiple claws, and one end of claw is rotatably coupled
On the other end of screw rod, the other end of claw is equipped with the drag hook extended along the direction of the central axis far from screw rod.Pass through
The drag hook that setting extends along the direction of the central axis far from screw rod on claw so that, can during bearing removal
Drag hook is made to stretch into the inner ring of bearing and catches on bearing, while the one end for the support base being connect with screw rod is made to be resisted against the surface of workpiece
On, drag hook is driven to rise by rotating screw rod to realize, so as to which bearing be extracted, and then realize and connect in the outer ring of bearing with workpiece
Bearing is dismantled in the case of touching.
Description of the drawings
Fig. 1 is the structure diagram of the bearing extractor in the utility model embodiment；
Fig. 2 is the structure diagram of the click-on mechanism in the utility model embodiment；
Fig. 3 is the front view of the first fixing piece in the utility model embodiment；
Fig. 4 is the vertical view of the first fixing piece in the utility model embodiment；
Fig. 5 is the structure diagram of the first claw in the utility model embodiment；
Fig. 6 is the structure diagram of the second claw in the utility model embodiment；
Fig. 7 is the front view of the second fixing piece in the utility model embodiment；
Fig. 8 is the vertical view of the second fixing piece in the utility model embodiment；
Fig. 9 is the structure diagram of the support base in the utility model embodiment；
Figure 10 is the structure diagram of the support base in the utility model embodiment.
Wherein, 1, screw rod；2nd, support base；21st, support base；211st, the first cavity；212 second cavitys；22nd, blanking cover；
221st, the 4th threaded hole；3rd, click-on mechanism；31st, the first claw；311 second through-holes；312nd, fifth hole；32nd, the second claw；
321st, third threaded hole；322nd, fourth hole；33rd, drag hook；34th, the first fixing piece；341st, the first threaded hole；342nd, the first installation
Slot；343rd, the second mounting groove；344th, first through hole；345th, third through-hole；35th, latch assembly is adjusted；351st, the second fixing piece；
3511st, ontology；3512nd, the first linking arm；3513rd, the first circular arc lug boss；3514th, the second linking arm；3515th, the second circular arc is convex
The portion of rising；352nd, the first installation cavity；353rd, the second threaded hole；354th, fastener；4th, thread bush.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but be not intended to limit the scope of the present invention.
In the explanation of the utility model, the description in the orientation such as upper, lower, left, right, front and rear is limited both for Fig. 2
Fixed, when the modes of emplacement of the bearing extractor changes, the description in corresponding orientation also will be according to placement side
The change of formula and change, this will not be repeated here for the utility model.
With reference to shown in Fig. 1 and Fig. 2, a kind of bearing extractor of the preferred embodiment in the utility model, including screw rod 1 and branch
Seat 2 is supportted, one end of the screw rod 1 is threadedly coupled with the support base 2；
The bearing extractor further includes click-on mechanism 3, and the click-on mechanism 3 includes multiple claws, the claw
One end is rotatably connected on the other end of the screw rod 1, and the other end of the claw is equipped with along the separate screw rod 1
The drag hook 33 of the direction extension of central axis.
In the utility model embodiment, extended by being set on claw along the direction of the central axis far from screw rod 1
Drag hook 33 so that during bearing removal, drag hook 33 can be made to stretch into the inner ring of bearing and catch on bearing, at the same make with
The one end for the support base 2 that screw rod 1 connects is resisted against on the surface of workpiece, drag hook 33 is driven to rise by rotating screw rod 1 to realize,
So as to which bearing be extracted, and then bearing is dismantled in the case that realization is contacted in the outer ring of bearing with workpiece.
In the utility model embodiment, it is rotatably connected on the screw rod 1 for the ease of the claw, this implementation
Click-on mechanism 3 further includes the first fixing piece 34 described in example, and first fixing piece 34 is connected to the other end of the screw rod 1
On, the claw is rotatably connected on first fixing piece 34.By the way that the first fixing piece 34 is made to be connect with the screw rod 1
While, the claw is made to be rotatably connected on first fixing piece 34, is rotationally connected so as to fulfill the claw
It is connected on the screw rod 1.
In the utility model embodiment, the quantity of the claw can only need to meet according to actual use situation setting
The claw can securely catch on bearing.In order to while ensuring that the bearing extractor can dismantle bearing,
Make design and simplify the structure, to reduce cost, claw described in the present embodiment is 2, and two claws are respectively the
One claw 31 and the second claw 32.
With reference to shown in Fig. 2 to Fig. 4, in order to ensure the claw is rotatably connected on first fixing piece 34, this
First fixing piece 34 described in embodiment is equipped with the first threaded hole 341 through its upper and lower surface, and the screw rod 1 is close to described
One end of drag hook 33 passes through first threaded hole 341 and is threadedly coupled with first threaded hole 341；First fixing piece
34 one end be equipped with through its upper and lower surface the first mounting groove 342, first claw 31 far from the drag hook 33 one
End is plugged in first mounting groove 342；The other end of first fixing piece 34 is equipped with the through its upper and lower surface
Two mounting grooves 343, the one end of second claw 32 far from the drag hook 33 are plugged in second mounting groove 343.Pass through
First threaded hole 341 is set on first fixing piece 34, so that the screw rod 1 and first fixing piece 34 connect
It connects, and first mounting groove 342 and second mounting groove 343 is set respectively on first fixing piece 34, so that institute
It states the first claw 31 and second claw 32 is connected on first fixing piece 34, so as to fulfill the claw rotationally
It is connected on first fixing piece 34.
With reference to shown in Fig. 2 to Fig. 6, the one end of first claw 31 far from the drag hook 33 is plugged on described by bolt
In first mounting groove 342, it is embodied in：First mounting groove 342 is U-shaped opening slot, and first fixing piece 34 is close
One end of the openend of first mounting groove 342 is equipped with the first through hole 344 through first mounting groove 342, described
The one end of first claw 31 far from the drag hook 33 is equipped with the second through-hole 311 through its front and rear surfaces, first claw 31
One end equipped with second through-hole 311 is stretched into first mounting groove 342；The bolt passes through the first through hole 344
With second through-hole 311, and it is connect respectively with the first through hole 344 and second through-hole 311.By making described first
Claw 31 is stretched into first mounting groove 342, and make the bolt respectively with the first through hole 344 and second through-hole
311 connections, are connected to so as to fulfill by first claw 31 in first mounting groove 342.In addition, by by described first
Mounting groove 342 is arranged to U-shaped opening slot, and the first through hole 344 is arranged on first fixing piece 34 close to described
On one end of the openend of one mounting groove 342 so that the bolt connects with the first through hole 344 and second through-hole 311
When connecing, can first claw 31 be securely connected to by first peace by the openend of first mounting groove 342
In tankage 342.
In the utility model embodiment, the one end of second claw 32 far from the drag hook 33 is plugged on by bolt
In second mounting groove 343, it is embodied in：Second mounting groove 343 is also U-shaped opening slot, first fixing piece
34 are equipped with the third through-hole through second mounting groove 343 close to one end of the openend of second mounting groove 343
345, the one end of second claw 32 far from the drag hook 33 is equipped with the fourth hole 322 through its front and rear surfaces, and described the
One end that two claws 32 are equipped with the fourth hole 322 is stretched into second mounting groove 343；The bolt passes through the third
Through-hole 345 and the fourth hole 322, and connect respectively with the third through-hole 345 and the fourth hole 322.By making
Second claw 32 is stretched into second mounting groove 343, and make the bolt respectively with the third through-hole 345 and described
Fourth hole 322 connects, and is connected in second mounting groove 343 so as to fulfill by second claw 32.In addition, pass through by
Second mounting groove 343 is arranged to U-shaped opening slot, and the third through-hole 345 is arranged on first fixing piece 34 and is leaned on
On one end of the openend of nearly second mounting groove 343 so that the bolt and the third through-hole 345 and the four-way
When hole 322 connects, second claw 32 can be securely connected to by the openend of second mounting groove 343 described
In second mounting groove 343.
With reference to shown in Fig. 2, Fig. 7 and 8, in order to which the bearing extractor is enable to adjust first claw 31 and described
The distance between second claw 32, to improve the convenience of the bearing extractor, click-on mechanism 3 described in the present embodiment is also
Including adjusting latch assembly 35, the adjusting latch assembly 35 includes the second fixing piece 351 and fastener 354, and described second is solid
Determine part 351 and be equipped with the first installation cavity 352 for running through its upper and lower surface, the screw rod 1 is passed through close to one end of the drag hook 33
First installation cavity 352 is simultaneously connected on second fixing piece 351；One end of second fixing piece 351 is equipped with and passes through
Wear the second threaded hole 353 of the side wall of first installation cavity 352, one end of the fastener 354 and second threaded hole
353 are threadedly coupled, and one end of the fastener 354 passes through second threaded hole 353 and is connected to second claw 32
Right side wall on.By the way that the screw rod 1 is made to be connected on second fixing piece 351, and it is described to pass through the fastener 354
Second threaded hole 353 on second fixing piece 351 is connect with second claw 32, to realize by rotating the fastening
Part 354 drives second claw 32 to rotate, and so as to fulfill second claw 32 is rotatably connected to the screw rod 1
On, so that the bearing extractor can adjust the distance between first claw 31 and second claw 32,
So that the drag hook 33 on first claw 31 and first claw 32 can catch on various sizes of bearing.In addition,
By the way that the fastener 354 is made to be threadedly coupled with second threaded hole 353 so that ensuring that the fastener 354 being capable of band
While dynamic second claw 32 rotates, fixed second claw 32 can be realized, to avoid in the process of bearing removal
In, second claw 32 is caused to rotate due to 3 under tension of click-on mechanism, so that when the drag hook 33
After catching on bearing, the distance between first claw 31 and second claw 32 can be kept constant, and then ensured described
Bearing extractor has stability.
In the utility model embodiment, in order to ensure the fastener 354 can drive second claw 32 to rotate,
To ensure that the adjusting latch assembly 35 can adjust the distance between first claw 31 and second claw 32, this reality
The right side wall for applying the one end of the second claw 32 far from the drag hook 33 described in example is equipped with third threaded hole 321, the fastening
Part 354 passes through one end of second threaded hole 353 to be threadedly coupled with the third threaded hole 321.By in the described second card
The third threaded hole 321 on pawl 32 is set, and makes the fastener 354 across one end of second threaded hole 353 and institute
It states third threaded hole 321 to be threadedly coupled, second claw 32 is rotatably connected to so as to fulfill the fastener 354, with
It realizes and drives the rotation of second claw 32, and then ensure the adjusting latch assembly by rotating the fastener 354
35 can adjust the distance between first claw 31 and second claw 32.
In the utility model embodiment, in order to further ensure that the adjusting latch assembly 35 can adjust described first
The distance between claw 31 and second claw 32, the second fixing piece 351 described in the present embodiment include ontology 3511, first
3512 and second linking arm 3514 of linking arm, first linking arm 3512 is connected on one end of the ontology 3511, described
Second linking arm 3514 is connected on the other end of the ontology 3511, the ontology 3511,3512 and of the first linking arm
Second linking arm 3514 surrounds first installation cavity 352, and second threaded hole 353 is set on the ontology 3511；
First claw 31 is inserted between the free end of first linking arm 3512 and the free end of second linking arm 3514,
And it is connected on the free end of first linking arm 3512 and the free end of second linking arm 3514；First connection
First arc-shaped convex portion 3513 of the arm 3512 equipped with the direction protrusion along separate first installation cavity 352, described second
Linking arm 3514 is equipped with along the second arc-shaped convex portion 3515 of the direction protrusion far from first installation cavity 352, and institute
The first circular arc lug boss 3513 is stated to be oppositely arranged with the second circular arc lug boss 3515；Institute is connected in first claw 31
When stating on the first linking arm 3512 and second linking arm 3514, the first arc-shaped convex portion 3513 and second circle
Arc convex portion 3515 clamps the screw rod 1 close to one end of the drag hook 33.By connecting the ontology 3511, described first
It connects arm 3512 and second linking arm 3514 surrounds first installation cavity 352, so that first claw 31 is connected to
Between the free end of first linking arm 3512 and the free end of second linking arm 3524, so as to fulfill by described first
Claw 31 is fixed on second fixing piece 351, to ensure second claw 32 to be driven to rotate when the fastener 354
When, first claw 31 still is able to be clamped securely on second fixing piece 351, and then ensures the adjusting locking group
Part 35 can adjust the distance between first claw 31 and second claw 32.In addition, by setting first circle
Arc lug boss 3513 and the second circular arc lug boss 3515, so that when first claw 31 is connected to first linking arm
3512 and second linking arm 3514 on when, the first arc-shaped convex portion 3513 and the second arc-shaped convex portion
3515 can clamp the screw rod 1, be fixed on second fixing piece 351 so as to fulfill by the screw rod 31, to ensure
State the stability for adjusting latch assembly 35.
With reference to shown in Fig. 5, Fig. 7 and Fig. 8, first claw 31 is inserted into free end and the institute of first linking arm 3512
Between the free end for stating the second linking arm 3514, and it is bolted in the free end of first linking arm 3512 and described
On the free end of second linking arm 3514, it is embodied in：The free end of first linking arm 3512 is equipped with before it
6th through-hole of rear surface, the free end of second linking arm 3514 are equipped with the 7th through-hole through its front and rear surfaces, institute
The 6th through-hole is stated to be oppositely arranged with the 7th through-hole；First claw 31 is equipped with the fifth hole through its front and rear surfaces
312, first claw 31 is equipped with free end and the institute of one end insertion first linking arm 3512 of the fifth hole 312
Between the free end for stating the second linking arm 3514, and the 6th through-hole, 312 and of the fifth hole described in the screw bolt passes
7th through-hole, and connect respectively with six through-hole, the fifth hole 312 and the 7th through-hole.It is described by making
Bolt successively with the 6th through-hole on first linking arm 3513, the fifth hole on first claw 31
312 connect with the 7th through-hole on second linking arm 3515, and institute is connected to so as to fulfill by first claw 31
It states between the free end of the first linking arm 3513 and the free end of second linking arm 3515.In addition, by by the described 6th
Through-hole is arranged on the free end of first linking arm 3513, and the 7th through-hole is arranged on second linking arm 3515
Free end on so that when the bolt is connect with the 6th through-hole, the fifth hole and the 7th through-hole, Neng Goutong
First claw 31 is securely connected to by the free end for crossing first linking arm 3513 and second linking arm 3515
In first installation cavity 352.
In the utility model embodiment, the type of the fastener 354 can only be needed according to actual use situation setting
Satisfaction can be adjusted the distance between first claw 31 and second claw 32 by the fastener 354 and can be fixed
The distance between first claw 31 and second claw 32.In order to design and simplify the structure, with reduce into
This, fastener 354 described in the present embodiment is wing bolt.
With reference to shown in Fig. 1, Fig. 9 and Figure 10, in order to ensure the screw rod 1 is rotatably connected on the support base 2, with
Ensure that the bearing extractor can dismantle bearing, support base 2 described in the present embodiment includes support base 21 and connection
Blanking cover 22 on the top of the support base 21, the support base 21 are equipped with the first cavity through its upper and lower surface
211, the blanking cover 22 be equipped with through its upper and lower surface the 4th threaded hole 221, the screw rod 1 connect with the claw one
End is across 221 hole of the 4th screw thread and stretches into first cavity 211, and the screw rod 1 and the 4th threaded hole 221
It is threadedly coupled.By setting the 4th threaded hole 221 on the blanking cover 22, and make the screw rod 1 and the 4th screw thread
Hole 221 is threadedly coupled, to realize that the screw rod 1 is rotatably connected on the support base 2 so that in the process of bearing removal
In, it can be by the way that the one end of the support base 2 far from the blanking cover 22 be made to be resisted against the surface of workpiece, so as to fulfill when rotation institute
When stating screw rod 1, the click-on mechanism 3 can be driven to rise, and then realize and extract bearing, to ensure the bearing extractor
Bearing can be dismantled.
In the utility model embodiment, for the ease of adjusting first claw 31 by the adjusting latch assembly 35
The distance between described second claw 32 is additionally provided with through its left and right sidewall in support base 21 described in the present embodiment
Two cavitys 212, and second cavity 212 is connected with first cavity 211, second fixing piece 351 is far from described
One end of one claw 31 passes through second cavity 212.By being set and first cavity 211 in the support base 21
Second cavity 212 of connection, and the one end of second fixing piece 351 far from first claw 31 is made to pass through the described second sky
Chamber 212, consequently facilitating the adjusting latch assembly 35 is operated by second cavity 212, it is described in order to adjust
The distance between first claw 31 and second claw 32.In addition by setting first sky in the support base 21
Chamber 21 and second cavity 22 so that during the screw rod 1 drives the click-on mechanism 3 to rise, described first is empty
Chamber 21 can house bearing, and the situation of bearing removal can be observed by second cavity 22, consequently facilitating bearing is pulled out
Go out.
In the utility model embodiment, in order to ensure first cavity 21 has enough spaces to house the same of bearing
When, make to simplify the structure, to reduce cost, the internal diameter of the first cavity 21 described in the present embodiment and the outer diameter of bearing match.
As shown in Figure 1, the click-on mechanism 3 is driven to rise for the ease of the screw rod 1, bearing described in the present embodiment is torn open
The tool of unloading further includes thread bush 4, and the thread bush 4 is set on the outside of the support base 2, and the thread bush 4 and the screw rod 1
Threaded one end far from the drag hook 33 connects.Pass through what is be threadedly coupled in the external setting of the support base 2 with the screw rod 1
The thread bush 4 so that during bearing removal, when the thread bush 4 is resisted against on the support base 2, can pass through
The thread bush 4 is rotated the screw rod 1 to be driven to rise, the click-on mechanism 3 to be driven to rise, consequently facilitating the screw rod 1
The click-on mechanism 3 is driven to rise.
Specifically, the process of the bearing extractor dismounting bearing is：Axis is dismantled when using the bearing extractor
When holding, the one end of first claw 31 and second claw 32 equipped with the drag hook 33 is first stretched into the inner ring of bearing,
And pass through the adjusting latch assembly 35 and adjust the distance between first claw 31 and second claw 32, so that described
Drag hook 33 can catch on bearing, and fix first claw 31 and second claw 32 by the adjusting latch assembly 35
The distance between；Then, the one end of the bearing block 2 far from the blanking cover 22 is made to be resisted against on the surface of workpiece, passes through spanner
Rotation is resisted against the thread bush 4 on the blanking cover 22, the screw rod 1 to be driven to rise, so as to drive the click-on mechanism 3
Rise, and then realize and extract bearing.
To sum up, the utility model provides a kind of bearing extractor, including screw rod 1 and support base 2, one end of screw rod 1 with
Support base 2 is threadedly coupled；Bearing extractor further includes click-on mechanism 3, and click-on mechanism 3 includes multiple claws, one end of claw
It is rotatably connected on the other end of screw rod 1, the other end of claw, which is equipped with along the direction of the central axis far from screw rod 1, to be prolonged
The drag hook 33 stretched.By setting the drag hook 33 extended along the direction of the central axis far from screw rod 1 on claw so that in bearing
During dismounting, drag hook 33 can be made to stretch into the inner ring of bearing and catch on bearing, while make the support base 2 being connect with screw rod 1
One end be resisted against on the surface of workpiece, drag hook 33 is driven to rise by rotating screw rod 1 to realize, so that bearing be extracted, into
And realization dismantles bearing in the case of being contacted in the outer ring of bearing with workpiece.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, under the premise of the utility model technical principle is not departed from, several improvement and replacement can also be made, these change
The scope of protection of the utility model is also should be regarded as into replacement.
Claims (10)
1. a kind of bearing extractor, which is characterized in that including screw rod and support base, one end of the screw rod and the support base
It is threadedly coupled；
The bearing extractor further includes click-on mechanism, and the click-on mechanism includes multiple claws, and one end of the claw can
It is rotationally connected on the other end of the screw rod, the other end of the claw is equipped with along the central axis far from the screw rod
Direction extension drag hook.
2. bearing extractor as described in claim 1, which is characterized in that the click-on mechanism further includes the first fixing piece,
First fixing piece is connected on the other end of the screw rod, and the claw is rotatably connected to first fixing piece
On.
3. bearing extractor as claimed in claim 2, which is characterized in that the claw is 2, and two claws point
It Wei not the first claw and the second claw.
4. bearing extractor as claimed in claim 3, which is characterized in that first fixing piece is equipped with above and below it
First threaded hole on surface, the screw rod close to one end of the drag hook pass through first threaded hole and with first screw thread
Hole is threadedly coupled；One end of first fixing piece is equipped with the first mounting groove through its upper and lower surface, first claw
One end far from the drag hook is plugged in first mounting groove；The other end of first fixing piece is equipped with through thereon
Second mounting groove of lower surface, the described one end of second claw far from the drag hook are plugged in second mounting groove.
5. bearing extractor as claimed in claim 3, which is characterized in that the click-on mechanism, which further includes, adjusts locking group
Part, the adjusting latch assembly include the second fixing piece and fastener, and second fixing piece is equipped with through its upper and lower surface
The first installation cavity, the screw rod close to one end of the drag hook pass through first installation cavity and be connected to it is described second fix
On part；One end of second fixing piece is equipped with the second threaded hole of the side wall through first installation cavity, the fastening
One end of part is threadedly coupled with second threaded hole, and one end of the fastener passes through second threaded hole and is connected to
On the right side wall of second claw.
6. bearing extractor as claimed in claim 5, which is characterized in that the described one end of second claw far from the drag hook
Right side wall be equipped with third threaded hole, the fastener passes through one end and the third threaded hole spiral shell of second threaded hole
Line connects.
7. bearing extractor as claimed in claim 5, which is characterized in that second fixing piece includes ontology, the first company
Arm and the second linking arm are connect, first linking arm is connected on one end of the ontology, and second linking arm is connected to institute
It states on the other end of ontology, the ontology, first linking arm and second linking arm surround first installation cavity, institute
The second threaded hole is stated on the ontology；First claw is inserted into the free end of first linking arm and described second and connects
Between connecing the free end of arm, and it is connected on the free end of first linking arm and the free end of second linking arm；Institute
It states the first linking arm and is equipped with along the first arc-shaped convex portion of the direction protrusion far from first installation cavity, described second and connect
Arm is connect to be equipped with along the second arc-shaped convex portion of the direction protrusion far from first installation cavity, and first circular arc protrusion
Portion is oppositely arranged with the second circular arc lug boss；First linking arm and described second is connected in first claw to connect
When connecing on arm, the first arc-shaped convex portion and the second arc-shaped convex portion clamp the screw rod close to the drag hook
One end.
8. bearing extractor as claimed in claim 5, which is characterized in that the support base includes support base and connection
Blanking cover on the top of the support base, the support base is equipped with the first cavity through its upper and lower surface, described
Blanking cover is equipped with the 4th threaded hole through its upper and lower surface, and one end that the screw rod is connect with the claw passes through the described 4th
Threaded hole is simultaneously stretched into first cavity, and the screw rod is threadedly coupled with the 4th threaded hole.
9. bearing extractor as claimed in claim 8, which is characterized in that be additionally provided in the support base through its left and right
Second cavity of side wall, and second cavity is connected with first cavity, second fixing piece is far from the described first card
One end of pawl passes through second cavity.
10. bearing extractor as described in claim 1, which is characterized in that the bearing extractor further includes thread bush,
The thread bush is set on the outside of the support base, and the thread bush connects with threaded one end of the screw rod far from the drag hook
It connects.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721310194.0U CN207593691U (en) | 2017-10-11 | 2017-10-11 | A kind of bearing extractor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721310194.0U CN207593691U (en) | 2017-10-11 | 2017-10-11 | A kind of bearing extractor |
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| CN207593691U true CN207593691U (en) | 2018-07-10 |
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| CN201721310194.0U Active CN207593691U (en) | 2017-10-11 | 2017-10-11 | A kind of bearing extractor |
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| CN (1) | CN207593691U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465210A (en) * | 2018-11-13 | 2019-03-15 | 王蒙蒙 | A kind of automatic intelligent sorting system based on textile strand spool |
| CN109483472A (en) * | 2019-01-03 | 2019-03-19 | 广西玉柴机器股份有限公司 | A kind of flywheel bearing disassembling fixture and method |
| CN110815129A (en) * | 2019-11-06 | 2020-02-21 | 江汉大学 | Bearing dismounting device |
| CN110842847A (en) * | 2019-10-14 | 2020-02-28 | 中国第一汽车股份有限公司 | Dismounting device |
| CN112388561A (en) * | 2019-08-15 | 2021-02-23 | 中国航发商用航空发动机有限责任公司 | Sealing element assembling and disassembling tool |
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2017
- 2017-10-11 CN CN201721310194.0U patent/CN207593691U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465210A (en) * | 2018-11-13 | 2019-03-15 | 王蒙蒙 | A kind of automatic intelligent sorting system based on textile strand spool |
| CN109483472A (en) * | 2019-01-03 | 2019-03-19 | 广西玉柴机器股份有限公司 | A kind of flywheel bearing disassembling fixture and method |
| CN112388561A (en) * | 2019-08-15 | 2021-02-23 | 中国航发商用航空发动机有限责任公司 | Sealing element assembling and disassembling tool |
| CN110842847A (en) * | 2019-10-14 | 2020-02-28 | 中国第一汽车股份有限公司 | Dismounting device |
| CN110815129A (en) * | 2019-11-06 | 2020-02-21 | 江汉大学 | Bearing dismounting device |
| CN110815129B (en) * | 2019-11-06 | 2024-06-11 | 江汉大学 | Bearing dismounting device |
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Address after: 511434, No. 633, Jinshan Avenue East Road, Guangzhou, Guangdong, Panyu District Patentee after: Guangzhou Automobile Passenger Car Co., Ltd. Address before: 511434, No. 633, Jinshan Avenue East Road, Guangzhou, Guangdong, Panyu District Patentee before: Guangzhou GAC Group Motor Co., Ltd. |
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