CN210524984U - A extracting tool that is used for screw, nut on curved surface - Google Patents
A extracting tool that is used for screw, nut on curved surface Download PDFInfo
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- CN210524984U CN210524984U CN201921583970.3U CN201921583970U CN210524984U CN 210524984 U CN210524984 U CN 210524984U CN 201921583970 U CN201921583970 U CN 201921583970U CN 210524984 U CN210524984 U CN 210524984U
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Abstract
The utility model provides a disassembling tool for screws and nuts on curved surfaces, which comprises a tool body, a compression ring, a mandrel, a screwdriver joint, a quick-change screwdriver, a handle and a plurality of suckers; in the process of disassembling the screw or the nut, the screw or the nut with larger binding force can be disassembled as long as enough torque is given to the screw or the nut and the screw or the nut does not slip, and in order to realize the purpose, enough positive pressure is needed to be given to the end surface of the screw or the nut; meanwhile, the sucking disc has a large adsorption area, and the smooth surface and the appearance of the device cannot be damaged by the sucking disc in the dismounting process.
Description
Technical Field
The utility model relates to a technical field is dismantled to screw and nut, concretely relates to extracting tool that is used for screw, nut on the curved surface.
Background
The surfaces of large equipment such as airplanes and high-speed rails are connected by a large number of screws, but due to factors such as environmental corrosion and a glue screw sealing process, the screws on the surfaces of the large equipment are prone to phenomena such as rusting of thread parts, adhesion of sealing glue, corrosion and shallowness of nail head grooves, the thread binding force is increased, the torque which can be applied by a screwdriver is reduced, the problem that the screws are difficult to disassemble is often caused, and the maintenance efficiency and quality of the large equipment are directly influenced.
At present, the common dismounting device for screws has: (1) chinese patent CN03272135.8, which mainly uses lever principle to increase positive pressure of screwdriver, overcomes the binding force between threads by the force-increasing arm and screwdriver, and unscrews the screw, but this method must take off at least one unscrewable screw in the tool range, and can provide fulcrum for lever with the help of the screw hole, not only increasing maintenance workload, but also unscrewing the screw hole that should not be maintained and using the screw hole as fulcrum, all will destroy the surface structure strength of large equipment and the tooth shape strength of fulcrum screw hole. (2) Chinese patent CN202271352U, it mainly adopts strong destructive dismounting methods such as chisel cutting, knocking, drilling tapping again and punching, but because the screws of large-scale equipment such as aircraft, high-speed railway are mostly made by high-strength and high-hardness metal materials, it is difficult to implement, troublesome poeration and time-consuming and labor-consuming, especially doing so very easily damages large-scale surface structural strength, affects the aerodynamic appearance, has reduced the overall structural strength of large-scale equipment, brings very big potential safety hazard for these large-scale equipment of high-speed operation. Therefore, there is a need for a new tool for removing screws and nuts from smooth curved surfaces and a new method for using the same.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a disassembling tool for screws and nuts on curved surfaces, which comprises a tool body, a compression ring, a mandrel, a screwdriver joint, a quick-change screwdriver, a handle and a plurality of suckers; the screwdriver is characterized in that the tool body is provided with an internal thread hole, the compression ring is provided with an external thread matched with the internal thread hole of the tool body, the compression ring is in threaded connection with the tool body, the compression ring is provided with a first mounting hole and a second mounting hole which are communicated with each other from top to bottom, the diameter of the first mounting hole is smaller than that of the second mounting hole, the screwdriver joint is placed in the second mounting hole, and the core lifting shaft penetrates through the first mounting hole to be connected with the screwdriver joint; the other end of the screwdriver shaft is connected with the handle, the screwdriver connector is provided with a mounting hole for connecting a quick-change screwdriver, and the quick-change screwdriver penetrates through the tool body and is mounted on the mounting hole of the screwdriver connector; the sucking discs are connected with a connecting frame, are distributed on the periphery of the tool body and are connected with the tool body through connecting shafts.
Preferably, one end of the connecting shaft is provided with a thread which is in threaded connection with the tool body; the other end of the connecting shaft is in pin joint with a connecting frame on the sucker; the connecting shaft is provided with a pin hole, the connecting frame on the sucker is provided with the same pin hole and a connecting hole for placing the connecting shaft, the pin penetrates through the connecting frame and the pin hole in the connecting shaft to connect the connecting shaft and the connecting frame, a radial groove is formed in the pin exposed outside the connecting frame, and a spring clamping ring is arranged on the groove for fixing to prevent the pin from sliding out of the through hole.
Preferably, the quick-change screwdriver comprises a screwdriver shaft and a screwdriver head arranged at the end part of the screwdriver shaft, wherein the screwdriver head comprises a screwdriver head for disassembling the straight screw, the cross screw and the hexagonal screw and a sleeve head for disassembling the nut.
Preferably, a plurality of sucking discs equipartition set up on the tool body, and a plurality of sucking discs are central symmetry or axisymmetric about the play dabber on the tool body.
Preferably, the quantity of sucking disc is three, and three sucking disc passes through the link and the connecting axle equipartition sets up on the tool body, and the installation angle between the three sucking disc is 120 degrees each other.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the utility model discloses a disassembling tool for screws and nuts on curved surfaces, which comprises a tool body, a compression ring, a mandrel, a screwdriver joint, a quick-change screwdriver, a handle and a plurality of suckers; in the process of disassembling the screw or the nut, the screw or the nut with larger binding force can be disassembled as long as enough torque is given to the screw or the nut and the screw or the nut does not slip, and in order to realize the purpose, enough positive pressure is needed to be given to the end surface of the screw or the nut; meanwhile, the sucking disc has a large adsorption area, and the smooth surface and the appearance of the device cannot be damaged by the sucking disc in the dismounting process.
(2) The sucking disc of this application device passes through the mode and the tool body coupling of pin joint, and because the clearance fit between pin and the pin hole is less, the clearance fit of the connecting hole of link is great on connecting axle and the sucking disc, consequently, the sucking disc can be around the certain angle of pin tilting to adjust the sucking disc angle, and then make the sucking disc steadily adsorb on different curvatures on the surface.
(3) The screwdriver head of quick change bottle opener of this application device can adapt to the screw and the nut dismantlement of different models including the screwdriver head that is used for a word, cross and hexagonal screw to dismantle and the cover barrel head that is used for the nut to dismantle, and this application device not only can be used for the dismantlement of screw or nut on the curved surface in addition, also can be used for the dismantlement of screw or nut on the plane, has fabulous popularization application prospect.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic structural diagram of a disassembling tool for screws and nuts on curved surfaces according to the present embodiment;
FIG. 2 is a schematic view of the tool body, connecting shaft and connecting frame of FIG. 1;
FIG. 3 is a schematic diagram showing the arrangement of the suction cup position and the removal position of the device of the present application;
the quick-change screwdriver comprises a connecting frame 1, a connecting frame 2, a spring clamping ring 3, a tool body 4, a handle 5, a mandrel 6, a compression ring 7, a locking nut 8, a connecting shaft 9, a pin 10, a quick-change screwdriver 11, a sucker 12, a screwdriver connector 13, a screw or a nut.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Referring to fig. 1 to 3, a disassembling tool for screws and nuts on curved surfaces comprises a tool body 3, a compression ring 6, a mandrel 5, a screwdriver joint 12, a quick-change screwdriver 10, a handle 4 and a plurality of suckers 11; the tool body is of a solid cylinder structure, an internal thread hole is formed in the tool body, an external thread matched with the internal thread hole of the tool body is arranged on the compression ring, the compression ring 6 is in threaded connection with the tool body 3, the compression ring is provided with a first mounting hole and a second mounting hole which are communicated with each other from top to bottom, the diameter of the first mounting hole is smaller than that of the second mounting hole, the screwdriver joint is placed in the second mounting hole, and the screwdriver core shaft 5 penetrates through the first mounting hole to be connected with the screwdriver joint 12; the other end of the screwdriver shaft 5 is connected with the handle 4, a mounting hole for connecting a quick-change screwdriver is formed in the screwdriver connector 12, and the quick-change screwdriver 10 penetrates through the tool body and is mounted on the mounting hole of the screwdriver connector; the quick-change screwdriver comprises a screwdriver shaft and a screwdriver head arranged at the end part of the screwdriver shaft, wherein the screwdriver head comprises a screwdriver head for disassembling a straight screw, a cross screw and a hexagonal screw and a sleeve head for disassembling a nut; the sucking discs 11 are connected with the connecting frame 1, the sucking discs are distributed on the periphery of the tool body, and the sucking discs 11 are connected with the tool body 3 through the connecting shaft 8; a threaded hole for connecting the connecting shaft is formed in the cylindrical surface of the tool body, threads are formed in one end of the connecting shaft and are connected with the tool body in a threaded mode, and the tool body is further locked through a locking nut 7 sleeved on the connecting shaft 8; the other end of the connecting shaft 8 is in pin joint with the connecting frame 1 on the sucker 11; the connecting shaft is provided with a pin hole, the connecting frame on the sucker is provided with the same pin hole and a connecting hole for placing the connecting shaft, the pin 9 penetrates through the connecting frame and the pin hole on the connecting shaft to connect the connecting shaft 8 with the connecting frame 1, the pin exposed outside the connecting frame is provided with a radial groove, and the groove is provided with a spring snap ring 2 for fixing to prevent the pin from sliding out of the through hole; in the device, a connecting shaft is in clearance connection with a connecting hole of a connecting frame, a pin hole is in clearance connection with a pin, and the clearance between the pin hole and the pin is smaller than that between the connecting shaft and the connecting hole of the connecting frame; therefore, the sucker can rotate a certain angle up and down around the pin, so that the angle of the sucker is adjusted, and the sucker is stably adsorbed on the surfaces with different curvatures; the quantity of sucking disc is three, and three sucking disc sets up on the tool body through three link and three connecting axle equipartition, and the installation angle between the three sucking disc is 120 degrees each other, and has a central lining about the tool body on, and the sucking disc of symmetric distribution can provide more steady quiet power support (provide the strong point for resisting the ascending pressure of screw) for whole extracting tool.
In the process of disassembling the screw or the nut, as long as the screw or the nut is given enough torque and does not slip, the screw or the nut with larger bonding force can be disassembled, and in order to realize the purpose, a forward pressure is required to be provided for the end surface of the screw or the nut; meanwhile, the sucking disc has a large adsorption area, and the smooth surface and the appearance of the device cannot be damaged by the sucking disc in the dismounting process.
The utility model also provides a use method of the extracting tool of screw, nut adopts the above-mentioned extracting tool that is used for screw, nut on the curved surface, including following step:
s1, selecting a quick-change screwdriver with a corresponding shape according to the shape of a screw or a nut required to be disassembled, and inserting the quick-change screwdriver into an installation hole of a screwdriver connector;
s2, moving the whole disassembling tool, aligning the screwdriver head of the quick-change screwdriver to the screw or the nut to be disassembled, and simultaneously adjusting the angle of the suction cup according to the curvature of the surface of the equipment where the screw or the nut to be disassembled is located so that the suction cup is completely buckled on the surface of the equipment; pressing down the sucker to make the sucker completely sucked on the curved surface of the device;
s3, rotating the compression ring, and pushing the mandrel and the screwdriver connector downwards to enable the screwdriver head of the quick-change screwdriver to be tightly propped against the screw or enable the sleeve head of the quick-change screwdriver to be tightly sleeved on the nut; the handle is rotated, and the rotating torque force of the handle is transmitted to the screw or the nut through the quick-change screwdriver, so that the screw or the nut can be detached.
The utility model provides a pair of extracting tool's of screw, nut use method, the simple easy operation of step, as long as put the position of sucking disc for the screwdriver top of quick change bottle opener is on the screw or the cover is on the nut, and twist grip alright realize the dismantlement of nut, and the practicality is strong.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A disassembling tool for screws and nuts on curved surfaces is characterized by comprising a tool body, a compression ring, a mandrel, a screwdriver connector, a quick-change screwdriver, a handle and a plurality of suckers; the screwdriver is characterized in that the tool body is provided with an internal thread hole, the compression ring is provided with an external thread matched with the internal thread hole of the tool body, the compression ring is in threaded connection with the tool body, the compression ring is provided with a first mounting hole and a second mounting hole which are communicated with each other from top to bottom, the diameter of the first mounting hole is smaller than that of the second mounting hole, the screwdriver joint is placed in the second mounting hole, and the core lifting shaft penetrates through the first mounting hole to be connected with the screwdriver joint; the other end of the screwdriver shaft is connected with the handle, the screwdriver connector is provided with a mounting hole for connecting a quick-change screwdriver, and the quick-change screwdriver penetrates through the tool body and is mounted on the mounting hole of the screwdriver connector; the sucking discs are connected with a connecting frame, are distributed on the periphery of the tool body and are connected with the tool body through connecting shafts.
2. The tool for disassembling the screw and the nut on the curved surface as claimed in claim 1, wherein one end of the connecting shaft is provided with a thread to be connected with the tool body in a threaded manner; the other end of the connecting shaft is in pin joint with a connecting frame on the sucker; the connecting shaft is provided with a pin hole, the connecting frame on the sucker is provided with the same pin hole and a connecting hole for placing the connecting shaft, the pin penetrates through the connecting frame and the pin hole in the connecting shaft to connect the connecting shaft and the connecting frame, a radial groove is formed in the pin exposed outside the connecting frame, and a spring clamping ring is arranged on the groove for fixing to prevent the pin from sliding out of the through hole.
3. The tool for removing the screw and the nut on the curved surface as claimed in claim 2, wherein a locking nut is sleeved on one end of the connecting shaft in threaded connection with the tool body.
4. The tool for disassembling the screw and the nut on the curved surface according to claim 2, wherein the connecting shaft is in clearance connection with the connecting hole of the connecting frame, the pin hole is in clearance connection with the pin, and the clearance between the pin hole and the pin is smaller than the clearance between the connecting shaft and the connecting hole of the connecting frame.
5. The tool for removing screws and nuts from curved surfaces as claimed in claim 4, wherein the quick-change driver comprises a driver shaft and a driver head disposed at the end of the driver shaft, the driver head comprising a driver head for removing in-line, cross and hexagonal screws and a socket head for removing nuts.
6. The tool for disassembling the screw and the nut on the curved surface according to claim 5, wherein a plurality of suckers are uniformly distributed on the tool body, and the suckers are centrosymmetric or axisymmetric with respect to the mandrel on the tool body.
7. The tool for disassembling the screw and the nut on the curved surface according to claim 6, wherein the number of the suction cups is three, the three suction cups are uniformly arranged on the tool body through the connecting frame and the connecting shaft, and the installation angles between the three suction cups are 120 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921583970.3U CN210524984U (en) | 2019-09-23 | 2019-09-23 | A extracting tool that is used for screw, nut on curved surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921583970.3U CN210524984U (en) | 2019-09-23 | 2019-09-23 | A extracting tool that is used for screw, nut on curved surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210524984U true CN210524984U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921583970.3U Active CN210524984U (en) | 2019-09-23 | 2019-09-23 | A extracting tool that is used for screw, nut on curved surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210524984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497358A (en) * | 2019-09-23 | 2019-11-26 | 长沙航空职业技术学院 | The extracting tool and application method of a kind of screw on curved surface, nut |
-
2019
- 2019-09-23 CN CN201921583970.3U patent/CN210524984U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497358A (en) * | 2019-09-23 | 2019-11-26 | 长沙航空职业技术学院 | The extracting tool and application method of a kind of screw on curved surface, nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gao Kun Inventor after: Chen Bo Inventor after: Peng Liangang Inventor after: Zhu Chengfu Inventor after: Li Huguang Inventor after: Zhang Jing Inventor after: Guo Shijia Inventor after: Qiu Shaowei Inventor before: Gao Kun Inventor before: Chen Bo Inventor before: Peng Liangang Inventor before: Zhu Chengfu Inventor before: Li Huguang Inventor before: Zhang Jing Inventor before: Guo Shijia Inventor before: Qiu Shaowei |
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| CB03 | Change of inventor or designer information |