CN215037061U - Puller tool for disassembling small-gap workpiece - Google Patents
Puller tool for disassembling small-gap workpiece Download PDFInfo
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- CN215037061U CN215037061U CN202023005172.8U CN202023005172U CN215037061U CN 215037061 U CN215037061 U CN 215037061U CN 202023005172 U CN202023005172 U CN 202023005172U CN 215037061 U CN215037061 U CN 215037061U
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Abstract
The utility model provides a dismantle little clearance work piece and draw horse frock, it makes the dismantlement convenient and fast of little clearance work piece, and only need one can operate, practiced thrift the manual work. The semi-clamping pull ring comprises a pair of semi-clamping pull rings, a nut, a screw rod and a fixing ring, wherein the transverse end faces of the two semi-clamping pull rings are combined in a splicing mode to form an integral structure, each semi-clamping pull ring comprises a first stop semi-circular ring face and a semi-circular sleeve, a radially inward convex snap ring is arranged at the rear end of each semi-circular sleeve, the thickness of the radial inner end of each snap ring is arranged in a gap of a workpiece to be taken in a copying mode, the inner diameter of each semi-circular sleeve is larger than the outer diameter of the workpiece to be taken, the nut comprises a positioning circular ring and a guide sleeve, central thread through holes are formed in the radial centers of the guide sleeve and the positioning circular ring, the front end face of the positioning circular ring is arranged in a mode of being attached to the rear end face of the first stop semi-circular ring face after splicing, and the positioning circular ring is arranged on the front end face of the workpiece to be taken in a pressing mode.
Description
Technical Field
The utility model relates to a technical field that the booth clearance work piece was dismantled specifically is dismantling booth clearance work piece and draws horse frock.
Background
The gearbox usually uses the current standard in the market to draw the horse when dismantling and all is the three-jaw, two claws or to open structure, and the structure of clamping jaw can not satisfy the clearance of dismantling the piece, and the uneven atress area of atress of three-jaw or two claws is little in the in-process of dismantling, very easily leads to the problem that the clamping jaw became invalid, damages, can not dismantle. In addition, as the clamping jaws are more, at least two persons are needed to cooperate to operate, and the efficiency is lower.
Disclosure of Invention
In view of the above problem, the utility model provides a dismantle little clearance work piece and draw horse frock, its dismantlement convenient and fast that makes little clearance work piece just only need one can operate, practiced thrift the manual work.
Dismantle booth clearance work piece and draw horse frock, its characterized in that: the semi-clamping ring comprises a pair of semi-clamping pull rings, a nut, a screw rod and a fixing ring, wherein the transverse end faces of the two semi-clamping pull rings are spliced and combined to form an integral structure, each semi-clamping pull ring comprises a first stop semi-circular ring face and a semi-circular sleeve, a radially inward convex snap ring is arranged at the rear end of the semi-circular sleeve, the thickness of the radial inner end of the snap ring is arranged along the gap of a workpiece to be taken, the inner diameter of the semi-circular sleeve is larger than the outer diameter of the workpiece to be taken, the nut comprises a positioning circular ring and a guide sleeve, the radial centers of the guide sleeve and the positioning circular ring are provided with a central thread through hole, the front end face of the positioning circular ring is arranged in a manner of being tightly attached to the rear end face of the spliced first stop semi-circular ring face, the positioning circular ring is pressed on the front end face of the workpiece to be taken, the fixing ring comprises a pressing circular ring face and a coating sleeve, and the coating sleeve coats the front area of the outer circumference formed by the semi-clamping pull rings, the guide sleeve penetrates through the first stop semi-circular ring surface and protrudes forwards after the center hole of the compression ring surface, the compression ring surface is tightly attached to the front end face of the spliced first stop semi-circular ring surface and is arranged, and the screw is in threaded connection with the center through threaded hole and then is jacked on the front end face of the connecting rod fixedly arranged on the workpiece to be taken.
It is further characterized in that:
the front end of the screw is provided with a driving end, and the driving end is driven by a wrench or a power device;
the thickness of the clamping ring is a structure which is radially reduced from outside to inside, so that the clamping ring is ensured to be plugged in the gap;
the rear end of the threaded section of the screw is an arc contact surface, so that the connecting rod is prevented from being damaged.
Adopt the utility model discloses afterwards, place the preceding terminal surface of waiting to get the work piece earlier with the nut location, later insert the little clearance of work piece and connecting rod with 2 half card pull rings, and the registrate connection forms wholly, later put on solid fixed ring on half card pull ring after the amalgamation, make the uide sleeve run through first backstop semicircle face, it is preceding protruding behind the centre bore of clamp face, turn the screw rod into the center and run through the screw hole, the rear end top of screw rod adorns in waiting to get the preceding terminal surface of the connecting rod that the work piece set firmly, later drive screw rod continuously inserts towards the connecting rod, and then drive the nut and drive the snap ring and pull out the work piece, the snap ring of half card pull ring acts on the whole periphery of work piece, the snap ring lasts effective application of force, it makes the dismantlement convenient and fast of little clearance work piece, and only need one-man to operate, the manual work has been practiced thrift.
Drawings
FIG. 1 is a schematic sectional view of the assembled front view of the present invention;
fig. 2 is an assembled sectional view of the present invention applied to take out the bearing inner race;
the names corresponding to the sequence numbers in the figure are as follows:
the semi-clamping pull ring comprises a semi-clamping pull ring 1, a first stopping semi-circular ring surface 11, a semi-circular sleeve 12, a clamping ring 13, a nut 2, a positioning circular ring 21, a guide sleeve 22, a central thread through hole 23, a screw rod 3, a driving end 31, an arc contact surface 32, a fixing ring 4, a pressing circular surface 41, a coating sleeve 42, a bearing inner ring 5 and a connecting rod 6.
Detailed Description
Dismantle little clearance work piece and draw horse frock, see fig. 1: the semi-clamping ring comprises a pair of semi-clamping pull rings 1, a nut 2, a screw rod 3 and a fixing ring 4, wherein the transverse end faces of the two semi-clamping pull rings 1 are spliced and combined to form an integral structure, each semi-clamping pull ring 1 comprises a first stopping semi-circular ring face 11 and a semi-circular sleeve 12, a radially inward-convex clamping ring 13 is arranged at the rear end of the semi-circular sleeve 12, the thickness of the radially inner end of the clamping ring 13 is arranged along the gap of a workpiece to be taken, the inner diameter of the semi-circular sleeve 12 is larger than the outer diameter of the workpiece to be taken, the nut 2 comprises a positioning circular ring 21 and a guide sleeve 22, a central thread through hole 23 is arranged at the radial center of the guide sleeve 22 and the positioning circular ring 21, the front end face of the positioning circular ring 21 is closely attached to the rear end face of the spliced first stopping semi-circular ring face 11, the positioning circular ring 21 is pressed on the front end face of the workpiece to be taken, the fixing ring 4 comprises a pressing ring face 41 and a coating sleeve 42, the coating sleeve 42 coats the front area of the outer circumference formed by splicing the semi-clamping pull rings 1, the guide sleeve 22 penetrates through the first stopping semi-circular ring surface 11 and the central hole of the pressing ring surface 41 to be convex backwards, the pressing ring surface 41 is arranged close to the front end face of the first stopping semi-circular ring surface 11 after being spliced, and the screw rod 3 is connected with the center through a threaded hole 23 in a threaded mode and then is jacked on the front end face of the connecting rod fixedly arranged on the workpiece to be taken.
The front end of the screw rod 3 is provided with a driving end 31, and the driving end 31 is driven by a wrench or a power device;
the thickness of the snap ring 13 is a structure which is radially reduced from outside to inside, so that the snap ring is ensured to be plugged in the gap;
the rear end of the threaded section of the screw 3 is a circular arc contact surface 32, ensuring that the connecting rod is not damaged.
When it is applied to the extraction of the bearing inner ring 5, see fig. 2: firstly, positioning a nut 2 on the front end face of a bearing inner ring 5, then inserting 2 half clamping pull rings 1 into a small gap between the bearing inner ring 5 and a connecting rod 6, sleeving and connecting to form a whole, then sleeving a fixing ring 4 on the spliced half clamping pull rings 1 to enable a guide sleeve 22 to penetrate through a first stopping half annular face 11 and protrude forwards after a central hole of a pressing annular face 41, twisting a screw rod 3 into a central through threaded hole 23, the rear end of the screw rod 3 is jacked on the front end surface of a connecting rod 6 fixedly arranged on the bearing inner ring 5, then the screw rod 3 is driven to be continuously inserted towards the connecting rod 6, thereby driving the nut 2 to drive the snap ring 13 to be pulled out of the bearing inner ring 5, the snap ring 13 of the half-snap pull ring 1 acts on the whole periphery of the bearing inner ring 5, the snap ring 13 continuously and effectively applies force, the small-gap workpiece can be conveniently and quickly disassembled, and can be operated by only one person, so that the labor is saved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. Dismantle booth clearance work piece and draw horse frock, its characterized in that: the semi-clamping ring comprises a pair of semi-clamping pull rings, a nut, a screw rod and a fixing ring, wherein the transverse end faces of the two semi-clamping pull rings are spliced and combined to form an integral structure, each semi-clamping pull ring comprises a first stop semi-circular ring face and a semi-circular sleeve, a radially inward convex snap ring is arranged at the rear end of the semi-circular sleeve, the thickness of the radial inner end of the snap ring is arranged along the gap of a workpiece to be taken, the inner diameter of the semi-circular sleeve is larger than the outer diameter of the workpiece to be taken, the nut comprises a positioning circular ring and a guide sleeve, the radial centers of the guide sleeve and the positioning circular ring are provided with a central thread through hole, the front end face of the positioning circular ring is arranged in a manner of being tightly attached to the rear end face of the spliced first stop semi-circular ring face, the positioning circular ring is pressed on the front end face of the workpiece to be taken, the fixing ring comprises a pressing circular ring face and a coating sleeve, and the coating sleeve coats the front area of the outer circumference formed by the semi-clamping pull rings, the guide sleeve penetrates through the first stop semi-circular ring surface and protrudes forwards after the center hole of the compression ring surface, the compression ring surface is tightly attached to the front end face of the spliced first stop semi-circular ring surface and is arranged, and the screw is in threaded connection with the center through threaded hole and then is jacked on the front end face of the connecting rod fixedly arranged on the workpiece to be taken.
2. The puller tool for disassembling the small-gap workpiece according to claim 1, characterized in that: the front end of the screw is provided with a driving end, and the driving end is driven by a wrench or a power device.
3. The puller tool for disassembling the small-gap workpiece according to claim 1, characterized in that: the thickness of the snap ring is a structure which is reduced from outside to inside in the radial direction.
4. The puller tool for disassembling the small-gap workpiece according to claim 1, characterized in that: the rear end of the thread section of the screw is an arc contact surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023005172.8U CN215037061U (en) | 2020-12-15 | 2020-12-15 | Puller tool for disassembling small-gap workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023005172.8U CN215037061U (en) | 2020-12-15 | 2020-12-15 | Puller tool for disassembling small-gap workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215037061U true CN215037061U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023005172.8U Active CN215037061U (en) | 2020-12-15 | 2020-12-15 | Puller tool for disassembling small-gap workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215037061U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112476329A (en) * | 2020-12-15 | 2021-03-12 | 苏州绿控传动科技股份有限公司 | Puller tool for disassembling small-gap workpiece |
-
2020
- 2020-12-15 CN CN202023005172.8U patent/CN215037061U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112476329A (en) * | 2020-12-15 | 2021-03-12 | 苏州绿控传动科技股份有限公司 | Puller tool for disassembling small-gap workpiece |
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