CN208147755U - A kind of dedicated puller of screw thread half-and-half type brearing bore - Google Patents
A kind of dedicated puller of screw thread half-and-half type brearing bore Download PDFInfo
- Publication number
- CN208147755U CN208147755U CN201820726659.9U CN201820726659U CN208147755U CN 208147755 U CN208147755 U CN 208147755U CN 201820726659 U CN201820726659 U CN 201820726659U CN 208147755 U CN208147755 U CN 208147755U
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- China
- Prior art keywords
- cart
- pull
- screw rod
- screw thread
- helps
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- 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.)
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Abstract
The utility model relates to a kind of dedicated puller more particularly to a kind of dedicated puller of screw thread half-and-half type brearing bore.Including screw rod, first helps pull a cart helps pull a cart with second, one end of the screw rod is vertical with sleeve to be fixedly connected, it is semicylinder that described first helps pull a cart helps pull a cart with described second, and described first the inside helped pull a cart with described second of helping pull a cart be equipped with internal diameter semi-circular groove identical with the outer diameter of the screw rod, and the groove face of the semi-circular groove is equipped with the matched threaded hole of external screw thread with the screw rod, described first, which helps pull a cart, forms and a cylinder-like structure and is set on the screw rod with the described second combination of helping pull a cart, described first help pull a cart with described second help pull a cart combination formed cylinder-like structure on be arranged with bearing.Rotation of the screw rod in cylinder-like structure can efficiently use screw rod for engine crankshaft rear bearing to ejection, and need not borrow other tools.The utility model structure is simple, easy to operate, high-efficient, the effective solution disassembly problem of current engine bearing.
Description
Technical field
The utility model relates to a kind of engine crankshaft rear bearings to dismantle dedicated puller more particularly to a kind of screw thread half-and-half type
The dedicated puller of brearing bore.
Background technique
The position of engine crankshaft rear bearing and function are special, and working environment is very severe, bearing when gearbox works
It should be operated with high engine speeds, while be endured again from engine, clutch and being conducted through the high temperature come and various pressure, institute
It is very high with the spoilage of bearing, the disassembly of bearing how is carried out just at a particularly significant problem.In practical operation,
Mechanic often all dismantles engine flywheel etc., is then cut again with oxygen-acetylene, and this method is not only got half the result with twice the effort,
And there are also waste of resource and it is not easy to operate the problems such as.And in existing technology, professional repair shop also uses puller, but existing
Some puller, by mandril, help pull a cart, semicircle fixture block and cutting ferrule form.It is first to remove the locating snap ring of engine bearing, utilizes puller
The round seam allowance of fixture block be caught in being blocked on the outside of engine shaft bearing outer-ring with fixture block, then with handle rotation mandril by bearing top
Out, it not only needs first to dismantle locating snap ring in this way, but also operates sufficiently complex, fixture block is caught in that success rate is low, and puller is easily damaged
And success rate is low.So designing, one kind is simple and practical, and the dedicated puller that work efficiency is high is extremely urgent.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of dedicated puller of screw thread half-and-half type brearing bore, with solution
The technical issues of structure is complicated for certainly above-mentioned hand cut taking-up bearing or traditional puller, low efficiency.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of dedicated drawing of screw thread half-and-half type brearing bore
Tool, including screw rod, first help pull a cart and help pull a cart with second, one end of the screw rod is vertical with sleeve to be fixedly connected, and described first helps pull a cart
Helping pull a cart with described second is semicylinder, and described first help pull a cart the inside helped pull a cart with described second be equipped with internal diameter with it is described
The identical semi-circular groove of the outer diameter of screw rod, and the groove face of the semi-circular groove is equipped with and the matched interior spiral shell of the external screw thread of the screw rod
Line, described first, which helps pull a cart, forms and a cylinder-like structure and is set on the screw rod with the described second combination of helping pull a cart, described first
Help pull a cart with described second help pull a cart combination formed cylinder-like structure on be arranged with bearing.
The utility model has the beneficial effects that：First cylinder-like structure for helping pull a cart composition with second of helping pull a cart is embedded into and starts
In the bearing of machine bearing, the screw hole that screw rod is extend into cylinder-like structure is rotated forward in the middle, rotation screw rod is rotationally advancing,
When one end of screw rod, which turns to, resists engine shaft, screw rod is continued to rotate, so that it may take out engine bearing.Structure
Simply, be conducive to the operation in varying environment, success rate is high.
Based on the above technical solution, the utility model can also do following improvement.
Further, the one end of the screw rod far from sleeve is cone.
Beneficial effect using above-mentioned further scheme is in use process, since one end of screw rod resists engine for a long time
Axis leads to serious wear, is easily destroyed the screw thread of screw rod one end, after being designed to cone, effectively prevents screw rod one end
Screw thread is destroyed, and is conducive to the long-time service of puller.
Further, handle is equipped in the sleeve, one end of the handle is through and out the sleeve.
It is T-shaped that beneficial effect using above-mentioned further scheme is that handle is formed with the screw rod, can be in rotation spiral shell
Generating bigger strength using lever principle by handle when bar allows screw rod to rotate.
Further, described first help pull a cart with described second help pull a cart combination formed cylinder-like structure on be arranged with for fastening
Described first helps pull a cart the clip helped pull a cart with described second.
Beneficial effect using above-mentioned further scheme is to adjust described first to help pull a cart the circle of composition of helping pull a cart with described second
Clip above tubular structure is helped pull a cart first the cylinder-like structure clamping of composition of helping pull a cart with second, and screw rod can be allowed to rotate
It is more uniformly stressed in journey, takes out having higher success rate for bearing.
Further, the clip is equipped with the bolt for adjusting the clip clamping level.
Beneficial effect using above-mentioned further scheme is to adjust clip with bolt, and preferably first helps pull a cart and draws with second
The cylinder-like structure clamping for covering composition is conducive to uniform stressed in screw rod rotation, improves the efficiency for taking out bearing.
Further, described first help pull a cart with described second help pull a cart combination formed cylinder-like structure on be arranged with retainer ring, institute
It states and is arranged on retainer ring side wall there are two the screw radially arranged along the retainer ring, the screw is arranged symmetrically in the retainer ring
The two sides of axis.
Beneficial effect using above-mentioned further scheme is that the presence of retainer ring allows first to help pull a cart to help pull a cart with second and combine closely
Together, the screw of retainer ring is stuck in first and helps pull a cart on the corresponding gap helped pull a cart on the cylinder-like structure that combination is formed with second,
Not only play the role of allowing retainer ring navigate on cylindric suitable position but also the screw rod that can allow stress is more during rotation
Uniformly, having higher success rate for bearing is taken out.
Detailed description of the invention
Fig. 1 is the utility model operation chart；
Fig. 2 is utility model diagram；
Fig. 3 is the utility model screw rod schematic diagram；
Fig. 4 is that the utility model first is helped pull a cart schematic diagram；
Fig. 5 is that the utility model second is helped pull a cart schematic diagram；
Fig. 6 is the utility model clip schematic diagram；
Fig. 7, which helps pull a cart to help pull a cart with second for the utility model first, combines the cylinder-like structure schematic diagram of formation；
Fig. 8 is the utility model retainer ring schematic diagram；
Fig. 9 is the utility model bearing schematic diagram；
In attached drawing, parts list represented by the reference numerals are as follows：
1, screw rod, 2, cone, 3, sleeve, 4, handle, 5, first helps pull a cart, and 6, second helps pull a cart, 7, clip, 8, bearing, 9, axis
Hold inner ring, 10, retainer ring, 11, threaded hole, 12 screws, 13 handles.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in figs 1-9, a kind of dedicated puller of screw thread half-and-half type brearing bore, including screw rod 1, first help pull a cart 5, second draw
Set 6, one end of the screw rod 1 is vertical with sleeve 3 to be fixedly connected, and handle 4, which passes through the sleeve 3 and fixes with the sleeve 3, to be connected
It connects, described first helps pull a cart 5 and described second to help pull a cart 6 be that the cylindrical body processed by the bearing inner race 9 according to bearing 8 is helped pull a cart and splitted
Two semicylinders, described first help pull a cart 5 and second help pull a cart 6 inside be processed into and be used cooperatively with 1 external screw thread of screw rod
Internal screw thread, described first help pull a cart 5 and described second help pull a cart 6 compositions cylinder-like structure be embedded into the bearing inner race 9 of bearing 8
In, described first help pull a cart 5 and described second help pull a cart 6 combinations formed a cylinder-like structure after, described first help pull a cart 5 semi-circular groove
Combine to form threaded hole 11 with the described second help pull a cart 6 semi-circular groove, the screw rod 1 and the screw thread in the cylinder-like structure
The cooperation front and back rotation of hole 11.The screw rod 1 is set as cone 2 far from one end of sleeve 3.Detachably connect on the cylinder-like structure
It is connected to clip 7, there is the bolt for adjusting 7 clamping level of clip at the both ends of the clip 7.
Embodiment 1：By taking " 205 " bearing 8 as an example, directly processed on the car body with " No. 45 steel ", measurement bearing inner race 9
The size of diameter does the cylinder-like structure for being less than 9 diameter of bearing inner race but can be tangent with inner ring according to the diameter of inner ring,
The hole of a 10mm will be bored on the central axes of cylinder-like structure, form screw hole 11, then in inside function screw thread.Then according to cylindrical shape
The central axes of structure are cut into two, are formed first and are helped pull a cart and 5 and second help pull a cart 6, then carry out sanding and polishing.By one end of screw rod 1
It is fixed on sleeve 3 and is mutually perpendicular to sleeve 3, handle 4 passes through sleeve 3 and is fixed on sleeve 3, forms T-shaped shape.It will
First help pull a cart 5 and second help pull a cart 6 compositions cylinder-like structure be embedded into engine bearing inner ring 9, and in cylinder-like structure
The part of bearing inner race 9 is not embedded into plus clip 7, the bolt at 7 both ends of clip is then twisted, cylinder-like structure is locked, then will
Screw rod 1 is extend into the threaded hole 11 in cylinder-like structure far from one end of sleeve 3, due to the external screw thread and cylindrical shape of screw rod 1
The screw thread of the internal thread hole 11 of structure matches, and screw rod 1 can rotate advance, and continuous rotating handles 4 are until one end of screw rod 1
After resisting engine crankshaft, continues rotating handles, bearing can be taken out in engine, realize the disassembly of bearing.
Embodiment 2：By taking " 205 " bearing 8 as an example, directly processed on the car body with " No. 45 steel ", measurement bearing inner race 9
The size of diameter does the cylinder-like structure for being less than 9 diameter of bearing inner race but can be tangent with inner ring according to the diameter of inner ring,
The hole of a 10mm will be bored on the central axes of cylinder-like structure, form screw hole 11, then in inside function screw thread.Then according to cylindrical shape
The central axes of structure are cut into two, are formed first and are helped pull a cart and 5 and second help pull a cart 6, then carry out sanding and polishing.By one end of screw rod 1
It is fixed on sleeve 3 and is mutually perpendicular to sleeve 3, handle 4 passes through sleeve 3 and is fixed on sleeve 3, forms T-shaped shape.First
The retainer ring 10 is inserted in the screw rod 1, then by first help pull a cart 5 and second help pull a cart 6 compositions cylinder-like structure be embedded into
In engine bearing inner ring 9, and two screws 12 of retainer ring 10 are caught in cylinder-like structure and are not embedded into 9 part of bearing inner race
In corresponding gap, retainer ring 10 is moved to by suitable position by the handle 12 on retainer ring 10, since the presence of screw 12 is protected
Demonstrate,proved 10 fixing card of retainer ring described first help pull a cart 5 and described second help pull a cart 6 compositions cylinder-like structure required position on, institute
Play the role of positioning with screw 12, due to the fastening effect of retainer ring 10, so that screw rod 1 extend into circle far from one end of sleeve 3
It is more uniformly stressed when being rotated forward in the threaded hole 11 in tubular structure, due to the external screw thread and cylinder-like structure of screw rod 1
The screw thread of internal thread hole 11 match, screw rod 1 can rotate advance, and continuous rotating handles 4 are until one end of screw rod 1 resists
After engine crankshaft, continues rotating handles, bearing can be taken out in engine, realize the disassembly of bearing.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
1. a kind of dedicated puller of screw thread half-and-half type brearing bore, which is characterized in that help pull a cart (5) and second including screw rod (1), first
It helps pull a cart (6), one end of the screw rod (1) is vertical with sleeve (3) to be fixedly connected, and described first helps pull a cart (5) and described second helps pull a cart
It (6) is semicylinder, and described first helps pull a cart (5) and described second helps pull a cart and be equipped with internal diameter and the screw rod on the inside of (6)
(1) the identical semi-circular groove of outer diameter, and the groove face of the semi-circular groove is equipped with the matched spiral shell of external screw thread with the screw rod (1)
Pit (11), described first helps pull a cart (5) and described second (6) combination of helping pull a cart forms and a cylinder-like structure and is set in the screw rod
(1) on, described first help pull a cart (5) and described second help pull a cart (6) combination formed cylinder-like structure on be arranged with bearing (8).
2. a kind of dedicated puller of screw thread half-and-half type brearing bore according to claim 1, which is characterized in that the screw rod
(1) one end far from sleeve (3) is cone (2).
3. a kind of dedicated puller of screw thread half-and-half type brearing bore according to claim 1, which is characterized in that the sleeve
(3) handle (4) are equipped in, one end of the handle (4) is through and out the sleeve (3).
4. a kind of dedicated puller of screw thread half-and-half type brearing bore according to any one of claims 1 to 3, which is characterized in that
Described first help pull a cart (5) and described second help pull a cart (6) combination formed cylinder-like structure on be arranged with for fastening described first
Help pull a cart (5) and described second help pull a cart (6) clip (7).
5. a kind of dedicated puller of screw thread half-and-half type brearing bore according to claim 4, which is characterized in that the clip
(7) it is equipped with the bolt for adjusting the clip (7) clamping level.
6. a kind of dedicated puller of screw thread half-and-half type brearing bore according to any one of claims 1 to 3, which is characterized in that
Described first help pull a cart (5) and described second help pull a cart (6) combination formed cylinder-like structure on be arranged with retainer ring (10), the retainer ring
(10) it is arranged on side wall there are two the screw (12) radially arranged along the retainer ring (10), the screw (12) is arranged symmetrically in institute
State the two sides of the central axes of retainer ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820726659.9U CN208147755U (en) | 2018-05-16 | 2018-05-16 | A kind of dedicated puller of screw thread half-and-half type brearing bore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820726659.9U CN208147755U (en) | 2018-05-16 | 2018-05-16 | A kind of dedicated puller of screw thread half-and-half type brearing bore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208147755U true CN208147755U (en) | 2018-11-27 |
Family
ID=64391030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820726659.9U Expired - Fee Related CN208147755U (en) | 2018-05-16 | 2018-05-16 | A kind of dedicated puller of screw thread half-and-half type brearing bore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208147755U (en) |
-
2018
- 2018-05-16 CN CN201820726659.9U patent/CN208147755U/en not_active Expired - Fee Related
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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: 20181127 Termination date: 20210516 |