CN207824794U - A kind of bearing puller - Google Patents
A kind of bearing puller Download PDFInfo
- Publication number
- CN207824794U CN207824794U CN201820134627.XU CN201820134627U CN207824794U CN 207824794 U CN207824794 U CN 207824794U CN 201820134627 U CN201820134627 U CN 201820134627U CN 207824794 U CN207824794 U CN 207824794U
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- China
- Prior art keywords
- mounting plate
- bolt
- casing
- half circular
- holding tank
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model discloses a kind of bearing pullers, belong to extracting tool field, a kind of clamping of casing is intended to provide more to fasten, extend the bearing puller of Service Life of Casing, its key points of the technical solution are that including screw rod, mounting plate, casing, bolt and fastening nut, mounting plate is equipped with kidney slot, bolt is connect across kidney slot with casing threads, bolt is symmetrical arranged about the minor axis of mounting plate, casing includes the first half circular sleeves and the second half circular sleeves, the first half circular sleeves are equipped with holding tank close to the side of the second half circular sleeves, holding tank is located at the first half one end of circular sleeve far from bolt, hooked scarf is rotatably connected in holding tank, the first half circular sleeves are equipped with the limit hole being connected to holding tank, the compression bar being rotatablely connected with hooked scarf is equipped in limit hole；The second half circular sleeves are equipped with the L slots being embedded in for hooked scarf.Hooked scarf and L slots are used, to keep one end clamping of the casing far from mounting plate more secured, is not easy to be softened, extends the service life of casing.
Description
Technical field
The utility model is related to extracting tool, more particularly to a kind of bearing puller.
Background technology
Bearing is that component that is fixed and reducing load friction coefficient is played in mechanical transmission course, is in contemporary mechanical equipment
A kind of very important parts.It is fitted on wheel shaft or axle sleeve by inner edge or outer rim respectively as needed, due to bearing
Installation gap be tight fit installation, and blocked by shell or various Conjoint packing for wine, the dismounting of bearing be in periodic maintenance,
It is carried out when bearing replacing, and in disassembly process, during the bearing removal being especially interference fitted, not damage the zero of bearing
The operation difficulty of component, dismounting is big.
Notification number is that the Chinese patent of CN205852663U discloses a kind of bearing puller, it includes two semi-circular tubes
Wall, steel plate, two shanks of bolt, leading screw and two semi-circular steel plates；The inner wall bottom of semicircle tube wall is welded with semi-circular steel plate；Half
It is welded with shank of bolt at the top of pipe wall；There are three holes for the equidistant setting of central point and central point both sides of steel plate；This three
In a hole, interstitial hole is threaded hole, and two side holes are through-hole；Two shanks of bolt pass through the through-hole of steel plate both sides, bolt from bottom to top
Bar passes through the upper end of steel plate to be fixed with nut, and leading screw passes through the threaded hole at the center of steel plate, and with threaded hole screw-thread fit.
This bearing puller encases bearing by two semicircle tube walls, and bearing is stuck in steel pipe, by steel plate central hair
Bar withstands eccentric iron axis center, and rotary screw rod does stress point with eccentric iron central steel shaft and extracts bearing, easy to operate.
But two semicircle tube walls are fastened by the realization of two shanks of bolt respectively, shank of bolt during turning,
One end that semicircle tube wall is threadedly coupled with shank of bolt is close to each other with turning for shank of bolt, tighter, and the semi-circular tube of clamping
The one end of wall far from shank of bolt is softened because inner clamps hold bearing so that bears two opposite directions in the both ends of semicircle tube wall
Power, after long-time service, the service life of semi-circular tube wall is impacted.
Utility model content
The purpose of this utility model is to provide a kind of bearing puller, and having makes casing clamping more fasten, and extends casing
The effect of service life.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of bearing puller, including screw rod, mounting plate, casing, bolt and fastening nut, the screw rod and mounting plate spiral shell
Line connects, and positioned at the middle part of mounting plate, and the mounting plate is equipped with kidney slot, and the bolt passes through kidney slot and casing threads
Connection, and fixed casing on a mounting board by fastening nut, the bolt is symmetrical arranged about the minor axis of mounting plate, institute
It includes the first half circular sleeves and the second half circular sleeves to state casing, and the first half circular sleeve is on the side of the second half circular sleeves
Equipped with holding tank, the holding tank is located at the first half one end of circular sleeve far from bolt, and one is rotatably connected in the holding tank
End is pierced by the hooked scarf of holding tank, and the first half circular sleeve is equipped with the limit hole being connected to holding tank, the limit hole direction
Bolt, the limit hole is interior to be equipped with the compression bar being rotatablely connected with hooked scarf；
The second half circular sleeve is equipped with the L slots being embedded in for hooked scarf, and the slot of the one end of L slots far from the first half circular sleeves
It is wider than the width of hooked scarf.
By using above-mentioned technical proposal, drawbench with the first half circular sleeves and the second half circular sleeves in use, encase axis
It holds, hooked scarf part enters in L slots at this time, and mobile casing makes the bearing in casing pull down compression bar, using lever principle,
So that hooked scarf enters the one end of L slots far from the first half circular sleeves, and fitted closely with L slots, bolt is pierced by from kidney slot
With the first half circular sleeve and the second semicircle casing connections, adjusted on kidney slot between the first half circular sleeves and the second half circular sleeves
Distance, realize clamp.Fastening nut is turned to fix casing on a mounting board.Screw rod is screwed in mounting plate, and by screw rod
One end resist rotation axis, do stress point with rotation axis, rotate screw rod, the bearing being clamped in casing is extracted.Bearing is extracted
Afterwards, it loosers a bolt so that close to one end separation of the first half circular sleeves and the second half circular sleeves of mounting plate, bearing is in casing
Activity, at this time compression bar do not stress, hooked scarf is not bonded with L slots, and is detached from from L slots, at this time can take out bearing from casing, side
Just quick, extend the service life of drawbench.
Further, spring is equipped in the holding tank, one end and side of the hooked scarf far from compression bar of the spring are fixed
Connection, the other end are fixedly connected with the slot bottom of holding tank.
By using above-mentioned technical proposal, it can make compression bar when not by bearing pressure equipped with spring, hooked scarf exists
It is not fitted closely with L slots under the elastic recovery force effect of spring, facilitates and remove hooked scarf from L slots, to facilitate bearing from set
It is taken out in pipe.
Further, described sleeve pipe inner wall is equipped with rubber sheet gasket.
By using above-mentioned technical proposal, when bearing is clamped in casing, to the lateral wall applied force of bearing, it is easy score bearings
Lateral wall.Equipped with rubber sheet gasket so that the madial wall of casing and bearing lateral wall flexible contact, to be not easy to crush bearing.
Further, one end lateral wall of the described sleeve pipe far from bolt is equipped with guide surface, and the guide surface is towards bolt.
By using above-mentioned technical proposal, casing is set to be not easy during pulling bearing and others zero equipped with guide surface
Component generates collision, protects other parts.
Further, washer is equipped between the fastening nut and mounting plate.
By using above-mentioned technical proposal, contact area can be increased equipped with washer, protect the surface of mounting plate not by tight
Gu nut abrades, pressure of the dispersion fastening nut to mounting plate.
Further, the one end of the screw rod far from casing is equipped with rotary joint.
By using above-mentioned technical proposal, facilitate external other tools that screw rod rotation is helped to extract axis equipped with rotary joint
It holds.
Further, the one end of the screw rod far from rotary joint is equipped with top, the top axial line and screw rod
Axial line overlaps.
It is top to enter the recessed of rotation axis end face when screw rod is to rotation axis applied force by using above-mentioned technical proposal
In falling into, screw rod is made to be not susceptible to radial and axial movement during pushing rotation axis.
Further, it is fixedly connected with hand-held pole on the side wall of the mounting plate, the axis of the hand-held pole and screw rod
Axis is vertical.
By using above-mentioned technical proposal, facilitate fixed mounting plate equipped with hand-held pole so that screw rod is pacified in rotation process
Loading board is not easy to rotate together with screw rod.
In conclusion the utility model has the advantages that：
1. using hooked scarf and L slots, to keep one end clamping of the casing far from mounting plate more secured, it is not easy to be softened,
Extend the service life of casing；
2. rubber sheet gasket is used, so that bearing and internal surface of sleeve pipe flexible contact, are not easy to crush bearing lateral wall；
3. rotary joint is used, it is more laborsaving to facilitate external other tools that screw rod rotation is helped to extract bearing.
Description of the drawings
Fig. 1 is in the present embodiment for embodying connection relationship diagram between screw rod, mounting plate, sleeve；
Fig. 2 is in the present embodiment for embodying connection relationship diagram between compression bar, hooked scarf and L slots；
Fig. 3 is the portions A enlarged drawing in Fig. 2.
In figure, 1, screw rod；11, rotary joint；12, top；2, mounting plate；21, kidney slot；22, bolt；221, spiral shell is fastened
It is female；23, washer；24, hand-held pole；3, casing；31, the first half circular sleeves；311, holding tank；3111, hooked scarf；3112, spring；
312, limit hole；3121, compression bar；32, the second half circular sleeves；321, L slots；33, rubber sheet gasket；34, guide surface.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
A kind of bearing puller, as shown in Figure 1, including screw rod 1, the mounting plate 2 being threadedly coupled with screw rod 1, casing 3, and
The bolt 22 and fastening nut 221 of the threaded one end connection of casing 3.Screw rod 1 is mounted on the middle part of mounting plate 2, is set on mounting plate 2
There are kidney slot 21, kidney slot 21 to be symmetrical arranged about the minor axis of mounting plate 2.Bolt 22 passes through kidney slot 21 and 3 screw thread of casing
Connection, and casing 3 is fixed on mounting plate 2 by fastening nut 221.Casing 3 includes the first half circular sleeves 31 and the second half
Circular sleeve 32, being equipped with kidney slot 21 can be with the distance between adjusting bolt 22, to realize the first half circular sleeves 31 and the second half
Distance is adjustable between circular sleeve 32, and bearing is enable smoothly to be put into casing 3.
As shown in Fig. 2, one end of screw rod 1 is equipped with rotary joint 11, the other end is equipped with top 12, and top 12 axial line
It is overlapped with the axial line of screw rod 1.Screw rod 1, rotary joint 11 and top 12 are integrally formed.Rotary joint 11 facilitates external other works
Tool helps the rotation of screw rod 1 to extract bearing.When screw rod 1 is to rotation axis applied force, top 12 enter the recess of rotation axis end face
In, so that the screw rod 1 during pushing rotation axis of screw rod 1 is not susceptible to radial and axial movement, to facilitate extraction bearing.
As shown in figure 3, the first half circular sleeves 31 are equipped with holding tank 311 close to the side of the second half circular sleeves 32, and hold
Slot 311 of receiving is located at the first half circular sleeves 31 far from bolt 22（Referring to Fig. 1）One end.It is rotatably connected to one end in holding tank 311
Be pierced by the hooked scarf 3111 of holding tank 311, the first half circular sleeves 31 are equipped with positioned at the top of holding tank 311, and with holding tank 311
The limit hole 312 of connection, limit hole 312 is interior to be equipped with the compression bar 3121 being rotatablely connected with hooked scarf 3111.On the second half circular sleeves 32
Equipped with the L slots 321 being embedded in for hooked scarf 3111, and the groove width of the one end of L slots 321 far from the first half circular sleeves 31 is more than hooked scarf 3111
Width.Bearing is coated between the first half circular sleeves 31 and the second half circular sleeves 32, and mobile casing 3 is so that axis in casing 3
It holds and pulls down compression bar 3121, using lever principle, the hooked scarf 3111 for being pierced by holding tank 311 is embedded into L slots 321 far from first
In one end of half circular sleeve 31 so that first sleeve 3 and the second half one end of circular sleeve 32 far from bolt 22 are mutually hooked so that
When tightening bolt 22, the first half circular sleeves 31 and the second half circular sleeves 32 are close to each other close to one end of bolt 22, and first
Half circular sleeve 31 and the second half one end of circular sleeve 32 far from bolt 22 are not easy to be softened because being clamped with bearing.
As shown in figure 3, being equipped with spring 3112 in holding tank 311, one end of spring 3112 and hooked scarf 3111 are far from compression bar
3121 side is fixedly connected, and the other end is fixedly connected with the slot bottom of holding tank 311.Spring 3112 so that compression bar 3121 not by
When bearing pressure, hooked scarf 3111 is detached under the action of the elastic-restoring force of spring 3112 from L slots 321, convenient from casing 3
Take out bearing.
As shown in Fig. 2, being respectively equipped with rubber sheet gasket 33 on the first half circular sleeves 31 and the second half circular sleeves 32.Rubber sheet gasket
33 make the madial wall flexible contact with casing 3 on the outside of bearing, to be not easy to crush bearing.
As shown in Figure 1, washer 23 is arranged on bolt 22, and washer 23 is between fastening nut 221 and mounting plate 2.
Washer 23 can increase contact area, protect the surface of mounting plate 2 not abraded by fastening nut 221, dispersion fastening nut 221 is right
The pressure of mounting plate 2.
As shown in Figure 1, the one end of casing 3 far from mounting plate 2 is equipped with guide surface 34 so that casing 3 is in clamping bearing and pulls out
It is not easy to generate collision with other parts during bearing, other parts is protected.
As shown in Figure 1, holding mounting plate 2 for convenience, hand-held pole 24 is fixedly connected on the side of mounting plate 2, and
The axis of hand-held pole 24 is vertical with the axis of screw rod 1.
Specific implementation process：In bearing puller in use, being encased with the first half circular sleeves 31 and the second half circular sleeves 32
Bearing, 3111 part of hooked scarf a part of at this time enter in L slots 321.Mobile casing 3 so that the bearing being clamped in casing 3
With compression bar 3121 contradict and press moulded rod 3121, utilize lever principle so that with compression bar 3121 be rotatablely connected hooked scarf 3111 into
Enter to the one end of L slots 321 far from the first half circular sleeves 31, and firmly hooks.By bolt 22 from the kidney slot 21 on mounting plate 2
It passes through, and is connect respectively with the first half circular sleeves 31 and the second half circular sleeves 32.The mobile bolt 22 in kidney slot 21 is so that the
Half circular sleeve 31 and the second half clampings of circular sleeve 32 are more secured, fastening nut 221 are mounted on bolt 22 so that casing
3 are fixed on mounting plate 2.Hand-held pole 24 is held, external other tools on the rotary joint 11 of screw rod 1 are rotated with the tool
Screw rod 1 is rotated further spiral shell so that until the recess conflict of top 12 and rotation axis end face of screw rod 1 in the screw-in mounting plate 2 of screw rod 1
Bar 1 does stress point with rotation axis, and bearing is extracted from rotation axis.
After bearing is extracted, bolt 22 is turned so that close to the first half circular sleeves 31 and the second half circular sleeves 32 of mounting plate 2
One end separation, bearing is movable in casing 3, is not contacted with compression bar 3121, hooked scarf 3111 is in 3112 elastic-restoring force of spring
It is loosened from L slots 321 under effect, to realize the separation of the first half circular sleeves 31 and the second half circular sleeves 32, facilitates taking-up axis
It holds.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of bearing puller, including screw rod (1), mounting plate (2), casing (3), bolt (22) and fastening nut (221), institute
It states screw rod (1) to be threadedly coupled with mounting plate (2), and positioned at the middle part of mounting plate (2), the mounting plate (2) is equipped with kidney slot
(21), the bolt (22) is threadedly coupled across kidney slot (21) with casing (3), and by fastening nut (221) by casing (3)
It being fixed on mounting plate (2), the bolt (22) is symmetrical arranged about the minor axis of mounting plate (2), it is characterized in that：Described sleeve pipe
(3) include the first half circular sleeves (31) and the second half circular sleeves (32), the first half close second semicircle set of circular sleeve (31)
The side for managing (32) is equipped with holding tank (311), and the holding tank (311) is located at the first half circular sleeves (31) far from bolt (22)
One end, be rotatably connected to the hooked scarf (3111) that one end is pierced by holding tank (311) in the holding tank (311), described the first half
Circular sleeve (31) is equipped with the limit hole (312) that is connected to holding tank (311), and the limit hole (312) is towards bolt (22), institute
State the compression bar (3121) for being equipped in limit hole (312) and being rotatablely connected with hooked scarf (3111)；
The second half circular sleeve (32) is equipped with for the embedded L slots (321) of hooked scarf (3111), and L slots (321) are far from the first half
The groove width of one end of circular sleeve (31) is more than the width of hooked scarf (3111).
2. a kind of bearing puller according to claim 1, it is characterized in that：Spring is equipped in the holding tank (311)
(3112), the side of one end of the spring (3112) and hooked scarf (3111) far from compression bar (3121) is fixedly connected, the other end with
The slot bottom of holding tank (311) is fixedly connected.
3. a kind of bearing puller according to claim 2, it is characterized in that：Described sleeve pipe (3) inner wall is equipped with rubber pad
Piece (33).
4. a kind of bearing puller according to claim 3, it is characterized in that：The one of the separate bolt (22) of described sleeve pipe (3)
Lateral wall is held to be equipped with guide surface (34), the guide surface (34) is towards bolt (22).
5. a kind of bearing puller according to claim 4, it is characterized in that：The fastening nut (221) and mounting plate (2)
Between be equipped with washer (23).
6. a kind of bearing puller according to claim 1, it is characterized in that：The rear end of the screw rod (1) is equipped with rotation and connects
Head (11).
7. a kind of bearing puller according to claim 6, it is characterized in that：The screw rod (1) is far from rotary joint (11)
One end be equipped with top (12), the axial line of top (12) overlaps with the axial line of screw rod (1).
8. a kind of bearing puller according to claim 7, it is characterized in that：It is fixed on the side wall of the mounting plate (2) to connect
It is connected to hand-held pole (24), the axis of the hand-held pole (24) is vertical with screw rod (1) axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820134627.XU CN207824794U (en) | 2018-01-25 | 2018-01-25 | A kind of bearing puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820134627.XU CN207824794U (en) | 2018-01-25 | 2018-01-25 | A kind of bearing puller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207824794U true CN207824794U (en) | 2018-09-07 |
Family
ID=63394944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820134627.XU Expired - Fee Related CN207824794U (en) | 2018-01-25 | 2018-01-25 | A kind of bearing puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207824794U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203835A (en) * | 2020-02-28 | 2020-05-29 | 广西玉柴机器股份有限公司 | Bearing drawing tool |
| CN112018654A (en) * | 2020-09-01 | 2020-12-01 | 广东电网有限责任公司江门供电局 | Elbow type cable head pulling-out device |
| CN113756335A (en) * | 2021-09-24 | 2021-12-07 | 重庆建工第三建设有限责任公司 | Construction process for large-section frame column in slope area |
| CN115070694A (en) * | 2022-07-19 | 2022-09-20 | 华芯半导体科技有限公司 | Mounting device and mounting tool |
-
2018
- 2018-01-25 CN CN201820134627.XU patent/CN207824794U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203835A (en) * | 2020-02-28 | 2020-05-29 | 广西玉柴机器股份有限公司 | Bearing drawing tool |
| CN112018654A (en) * | 2020-09-01 | 2020-12-01 | 广东电网有限责任公司江门供电局 | Elbow type cable head pulling-out device |
| CN113756335A (en) * | 2021-09-24 | 2021-12-07 | 重庆建工第三建设有限责任公司 | Construction process for large-section frame column in slope area |
| CN115070694A (en) * | 2022-07-19 | 2022-09-20 | 华芯半导体科技有限公司 | Mounting device and mounting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20220125 |