CN217292096U - Oil seal dismounting tool - Google Patents
Oil seal dismounting tool Download PDFInfo
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- CN217292096U CN217292096U CN202220426792.9U CN202220426792U CN217292096U CN 217292096 U CN217292096 U CN 217292096U CN 202220426792 U CN202220426792 U CN 202220426792U CN 217292096 U CN217292096 U CN 217292096U
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- sleeve
- oil seal
- sliding
- assembly
- sliding needle
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Abstract
The utility model relates to an assembly tool technical field especially relates to an oil blanket assembly and disassembly tools. The technical problem of the utility model is that: provided is an oil seal dismounting tool capable of improving maintenance efficiency. An oil seal disassembling tool comprising: the screw rod clamp is provided with a thread section at the upper part, a conical table part is arranged at the lower part, the bottom surface of the conical table part is provided with a shaft hole for accommodating the transmission shaft, a plurality of conical grooves are uniformly formed on the circumferential inner wall of the shaft hole, and steel balls are arranged in the conical grooves; the screw clamp is in rotary fit with the nut sleeve; the bottom of the nut sleeve is connected with a sliding needle sleeve; the bottom of the sliding needle sleeve is provided with a crochet needle. This oil blanket assembly and disassembly tools can dismantle with the direct operation of the assembly relation of assembly spare, need not to dismantle the transmission shaft of assembly spare completely, saves unnecessary dismouting man-hour, improves maintenance efficiency.
Description
Technical Field
The utility model relates to an assembly jig technical field especially relates to an oil blanket assembly and disassembly tools.
Background
When the automatic equipment of mill is regularly maintained, the skeleton oil blanket in various lift arms and the transfer arm, the oil blanket of each transmission shaft of gearbox etc. receive the influence of factors such as high temperature, wearing and tearing or material, and the skeleton oil blanket can cause ageing failure, and the oil blanket appears the oil impregnate and then causes the moment of setting for relatively former for on the small side, influences the accuracy nature of automatic equipment. In the process of replacing the oil seal, the following two repairing and replacing modes exist: complete disassembly for repair, or repair in an assembly relationship. In order to save the time of not disassembling parts at related positions and improve the maintenance efficiency, the parts can not be disassembled without disassembly;
however, as for the oil seal removing tool in patent document CN202120149986.4, the principle is that the oil seal removing tool is used under the condition of complete removal, the oil seal in most of the framework is installed between the shaft and the cylinder wall, the matching is compact, the space is narrow, and if the intermediate transmission shaft is not completely removed, the oil seal removing tool is not suitable for use, and there is a limitation; and other tools are needed in the assembly process, so that the assembly and disassembly cannot be integrated, and the change and the application are applicable, so that the technical problem which needs to be solved urgently by the personnel in the field is solved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect of the limitation of the complete disassembly and repair, the technical problem of the utility model is that: provided is an oil seal dismounting tool capable of improving maintenance efficiency.
The technical scheme of the utility model is that: an oil seal assembly and disassembly tool, comprising: the screw rod clamp is provided with a thread section at the upper part, a cone table part is arranged at the lower part, the bottom surface of the cone table part is provided with a shaft hole for accommodating the transmission shaft, a plurality of cone-shaped grooves are uniformly formed on the circumferential inner wall of the shaft hole, and steel balls are arranged in the cone-shaped grooves; the screw clamp is rotationally matched with the nut sleeve; the bottom of the nut sleeve is connected with a sliding needle sleeve; the bottom of the sliding needle sleeve is provided with a crochet hook.
More preferably, the threaded section of the screw clamp is provided with a hexagon socket at the top end.
More preferably, the bottom center of the nut sleeve is provided with an upper circular groove, the bottom circumferential edge of the nut sleeve is provided with an upper clamping portion, the top center of the nut sleeve is provided with a threaded hole, the threaded hole is matched with the threaded section of the screw clamp, and the frustum portion of the screw clamp is in up-and-down sliding fit in the upper circular groove.
More preferably, a lower circular groove is formed in the center of the top of the sliding needle sleeve, and a frustum part of the screw clamp is in up-and-down sliding fit in the lower circular groove; the edge of the circumference of the top of the sliding needle sleeve is provided with a lower clamping part, and the upper clamping part of the nut sleeve and the lower clamping part of the sliding needle sleeve are mutually matched and clamped; the center of the bottom of the sliding needle sleeve is provided with a through hole, and the circumferential edge of the bottom of the sliding needle sleeve is provided with an annular needle groove.
More preferably, the top of the crochet needle is provided with a rectangular part, and the rectangular part of the crochet needle is matched with the annular needle groove of the sliding needle sleeve; the bottom of the crochet hook is provided with a double-cone-shaped part, and one side surface of the double-cone-shaped part is provided with a hook groove.
The utility model has the advantages of it is following: 1. this oil blanket assembly and disassembly tools can dismantle with the direct operation of the assembly relation of assembly spare, need not to dismantle the transmission shaft of assembly spare completely, saves unnecessary dismouting man-hour, improves maintenance efficiency.
2. The shaft hole of the conical table part of the screw clamp is sleeved in a transmission shaft of the assembly part, and the steel balls on the periphery move along the inclined plane of the conical groove to generate larger inward pressing force, so that the transmission shaft is firmly fastened in the shaft hole of the conical table part.
3. The nut sleeve is rotatably clamped with the sliding needle sleeve through the upper clamping part and the lower clamping part, so that the function of bearing connection is achieved, and the stress connection relation of pushing and pulling is achieved.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the present invention.
Fig. 2 is a schematic sectional view of the screw clamp of the present invention.
Fig. 3 is a schematic sectional view of the present invention.
Fig. 4 is a schematic view of the structure of the crochet hook of the present invention.
Fig. 5 is a schematic diagram of the explosion structure of the present invention.
Fig. 6 is an exemplary view of a usage scenario of the present invention.
The parts are labeled as follows: 1-screw clamp, 101-screw thread section, 102-conical table section, 103-conical groove, 104-steel ball, 105-hexagon socket, 2-nut sleeve, 201-upper circular groove, 202-upper clamping section, 203-threaded hole, 3-sliding needle sleeve, 301-lower circular groove, 302-lower clamping section, 303-through hole, 304-annular needle groove, 4-crochet needle, 401-rectangular section, 402-double conical section, 403-crochet groove.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Example 1
The utility model discloses an oil blanket assembly and disassembly tools can dismantle with the direct operation of the assembly relation of assembly spare, need not to dismantle the transmission shaft of assembly spare completely, saves unnecessary dismouting man-hour, improves maintenance efficiency.
As shown in fig. 1 and 2, an oil seal dismounting tool comprises a screw clamp 1, a nut sleeve 2, a sliding needle sleeve 3 and a hook needle 4, wherein a thread section 101 is arranged at the upper part of the screw clamp 1, a cone-shaped table part 102 is arranged at the lower part of the screw clamp 1, a shaft hole for accommodating a transmission shaft is formed in the bottom surface of the cone-shaped table part 102, a plurality of conical grooves 103 are uniformly formed in the circumferential inner wall of the shaft hole, and steel balls 104 are arranged in the conical grooves 103; the screw clamp 1 is in rotary fit with the nut sleeve 2; the bottom of the nut sleeve 2 is connected with a sliding needle sleeve 3; the bottom of the sliding needle sleeve 3 is provided with a crochet needle 4.
The shaft hole of the conical platform part 102 of the screw rod clamp 1 is aligned with the transmission shaft of the assembly part and sleeved, the steel balls 104 in the conical groove 103 move upwards along with the transmission shaft and are uniformly stressed and abutted along the circumference of the transmission shaft, when the transmission shaft has a downward movement trend, the steel balls 104 are driven to move downwards in the conical groove 103, namely the steel balls 104 on the periphery move along the inclined plane of the conical groove 103 to generate larger inward pressing force, so that the transmission shaft cannot be separated from the conical groove, and the conical groove 102 is firmly fastened in the shaft hole. At the moment, the nut sleeve 2 is manually rotated to drive the nut sleeve 2 to slide downwards along the screw clamp 1, the sliding needle sleeve 3 is pushed to slide downwards, and the crochet needle 4 is further pushed to move downwards to be inserted into an oil seal of the assembly (usually, a plurality of micropores are preset around the oil seal, and an electric drill can be used for drilling holes in the oil seal before, so that the tool can be conveniently inserted), so that the crochet needle 4 hooks the oil seal; and repeating the operations in the reverse direction to pull out the assembly together with the oil seal, thereby completing the disassembly process.
Example 2
On the basis of the embodiment 1, as shown in fig. 3-6, a hexagonal socket 105 is formed at the top end of the threaded section 101 of the screw clamp 1; when the screw clamp 1 slips relative to the transmission shaft, the screw clamp can be fixed by using a hexagonal wrench, so that the operability is enhanced.
An upper circular groove 201 is formed in the center of the bottom of the nut sleeve 2, an upper clamping portion 202 is formed in the circumferential edge of the bottom of the nut sleeve 2, a threaded hole 203 is formed in the center of the top of the nut sleeve 2, the threaded hole 203 is matched with the threaded section 101 of the screw clamp 1, and the frustum portion 102 of the screw clamp 1 is in up-and-down sliding fit in the upper circular groove 201.
On the other hand, the nut sleeve 2 is rotatably engaged with the sliding needle sheath 3 through the upper and lower engaging portions 302, so as to perform a bearing connection function and a force connection relationship between pushing and pulling.
A lower circular groove 301 is formed in the center of the top of the sliding needle sleeve 3, and the frustum part 102 of the screw clamp 1 is in up-and-down sliding fit in the lower circular groove 301; the top circumferential edge of the sliding needle sleeve 3 is provided with a lower clamping part 302, and the upper clamping part 202 of the nut sleeve 2 is matched and clamped with the lower clamping part 302 of the sliding needle sleeve 3; the center of the bottom of the sliding needle sleeve 3 is provided with a through hole 303, and the circumferential edge of the bottom of the sliding needle sleeve 3 is provided with an annular needle groove 304. The annular needle groove 304 at the bottom of the sliding needle sleeve 3 is detachably provided with the crochet hook 4, the crochet hook 4 with different sizes can be replaced on different occasions, and the universality of the tool is improved.
The top of the bearded needle 4 is provided with a rectangular part 401, and the rectangular part 401 of the bearded needle 4 is matched with the annular needle groove 304 of the sliding needle sleeve 3; the bottom of the crochet hook 4 is provided with a double-cone-shaped part 402, and one side surface of the double-cone-shaped part 402 is provided with a hook groove 403. One side surface of the double-conical part 402 of the crochet hook 4 is provided with a hook groove 403; the double conical part 402 increases the force bearing area when pulling out, and the hook groove 403 is beneficial to hooking the oil seal and avoiding unhooking.
In addition, the device can be changed into a special sleeve used in assembly by replacing the sliding needle sleeve 3, and the device can also be used in assembly of an oil seal by rotatably clamping the upper clamping part 302 and the lower clamping part 302.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. An oil seal disassembling tool is characterized by comprising a screw rod clamp (1), wherein a thread section (101) is arranged at the upper part of the screw rod clamp (1), a cone part (102) is arranged at the lower part of the screw rod clamp (1), a shaft hole for accommodating a transmission shaft is formed in the bottom surface of the cone part (102), a plurality of conical grooves (103) are uniformly formed in the circumferential inner wall of the shaft hole, and steel balls (104) are arranged in the conical grooves (103);
the screw clamp (1) is in rotary fit with the nut sleeve (2);
the bottom of the sliding needle sleeve (3) is connected with the sliding needle sleeve (3) on the nut sleeve (2);
the bottom of the crochet hook (4) and the sliding needle sleeve (3) is provided with the crochet hook (4).
2. An oil seal assembling and disassembling tool according to claim 1, wherein a hexagonal socket (105) is formed at the top end of the threaded section (101) of the screw clamp (1).
3. The oil seal dismounting tool according to claim 1, wherein the bottom center of the nut sleeve (2) is provided with an upper circular groove (201), the bottom circumferential edge of the nut sleeve (2) is provided with an upper clamping portion (202), the top center of the nut sleeve (2) is provided with a threaded hole (203), the threaded hole (203) is matched with the threaded section (101) of the screw clamp (1), and the frustum portion (102) of the screw clamp (1) is in up-and-down sliding fit in the upper circular groove (201).
4. An oil seal dismounting tool according to claim 1, characterized in that the center of the top of the sliding needle sleeve (3) is provided with a lower circular groove (301), and the frustum part (102) of the screw clamp (1) is in up-and-down sliding fit in the lower circular groove (301); the edge of the top circumference of the sliding needle sleeve (3) is provided with a lower clamping part (302), and the upper clamping part (202) of the nut sleeve (2) is matched and clamped with the lower clamping part (302) of the sliding needle sleeve (3); the center of the bottom of the sliding needle sleeve (3) is provided with a through hole (303), and the circumferential edge of the bottom of the sliding needle sleeve (3) is provided with an annular needle groove (304).
5. An oil seal dismounting tool according to claim 1, characterized in that the top of said crochet needle (4) is provided with a rectangular part (401), the rectangular part (401) of the crochet needle (4) is matched with the annular needle groove (304) of the sliding needle sleeve (3); the bottom of the crochet hook (4) is provided with a double-cone-shaped part (402), and one side surface of the double-cone-shaped part (402) is provided with a hook groove (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220426792.9U CN217292096U (en) | 2022-03-01 | 2022-03-01 | Oil seal dismounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220426792.9U CN217292096U (en) | 2022-03-01 | 2022-03-01 | Oil seal dismounting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217292096U true CN217292096U (en) | 2022-08-26 |
Family
ID=82933748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220426792.9U Active CN217292096U (en) | 2022-03-01 | 2022-03-01 | Oil seal dismounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217292096U (en) |
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2022
- 2022-03-01 CN CN202220426792.9U patent/CN217292096U/en active Active
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