CN214489134U - Hand-held electric thread repairing device - Google Patents
Hand-held electric thread repairing device Download PDFInfo
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- CN214489134U CN214489134U CN202120559242.XU CN202120559242U CN214489134U CN 214489134 U CN214489134 U CN 214489134U CN 202120559242 U CN202120559242 U CN 202120559242U CN 214489134 U CN214489134 U CN 214489134U
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- inner sleeve
- torque wrench
- sleeve
- electric torque
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Abstract
The utility model discloses an electronic screw thread prosthetic devices of hand-held type, include: the device comprises an inner sleeve, an outer sleeve, a round die and an electric torque wrench; the inner sleeve is connected to the lower end of the main shaft of the electric torque wrench; the outer sleeve is movably connected to the periphery of the inner sleeve and is fixedly connected with the outer shell of the electric torque wrench; the round die is fixedly connected in the mounting hole at the lower end of the inner sleeve; the device can last the work for a long time like lathe equipment, portable, easy operation are applicable to the external screw thread of multiple specification and repair, reduce construction cost when raising the efficiency.
Description
Technical Field
The utility model belongs to the technical field of repair frock, concretely relates to electronic screw thread prosthetic devices of hand-held type.
Background
Threaded connection is a connection form that uses very extensively, and internal thread or external screw thread damage can often appear in installation and use process and lead to threaded fastener can't carry out normal connection, thereby can change impaired threaded fastener and guarantee connection quality under the general condition. However, many times, damaged threaded fasteners cannot be replaced, and at this time, repair work needs to be performed on damaged threads by means of equipment or by hand. When equipment such as a lathe is used for repairing the detachable screw rod and the detachable nut, the operation is simple, the machining efficiency is high, but the external threads which cannot be detached are fixed, such as the embedded screw rod and the like, are influenced by environment and working condition factors, and the equipment such as the lathe cannot be used for repairing.
At present, fixed external threads are usually repaired manually, the repair quantity is small, the cost is low, the operation is convenient, the manual repair efficiency is low when the repair quantity is large, and the manual operation difficulty is large particularly when the threads with the specifications of more than M24 are repaired.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides an electronic screw thread prosthetic devices of hand-held type. The to-be-solved technical problem of the utility model is realized through following technical scheme:
a hand-held power-driven thread rehabilitation device comprising: the device comprises an inner sleeve, an outer sleeve, a round die and an electric torque wrench; the inner sleeve is connected to the lower end of the main shaft of the electric torque wrench; the outer sleeve is movably connected to the periphery of the inner sleeve and is fixedly connected with the outer shell of the electric torque wrench; the round die is fixedly connected in the mounting hole at the lower end of the inner sleeve.
Further, still include self-lubricating axle sleeve, self-lubricating axle sleeve sets up between overcoat and the endotheca, and fix on the inner wall of overcoat.
Furthermore, a spline is arranged at the upper end of the inner sleeve and connected with an installation port of the electric torque wrench main shaft; the side wall of the mounting hole at the lower end of the inner sleeve is provided with a first threaded hole, and a first set screw is mounted on the first threaded hole and fixedly connected with the round die.
Furthermore, the upper end of the outer sleeve is provided with a fixed bayonet and a first connecting groove, the fixed bayonet is fixed with a first boss on the shell of the electric torque wrench, and the first connecting groove is fixedly connected with a screw on the shell of the electric torque wrench.
Furthermore, a second connecting groove is formed in the inner sleeve below the spline, a second threaded hole is formed in the outer sleeve below the fixing bayonet, a second set screw is installed on the second threaded hole and located in the second connecting groove, and a gap exists between the second set screw and the second connecting groove.
Furthermore, a fixing rod is arranged on one side of the outer sleeve.
The utility model has the advantages that:
1. the device can continuously work for a long time, is convenient to carry and simple to operate, is suitable for repairing external threads of various specifications, improves the efficiency and reduces the construction cost;
2. the device is more convenient to clean and repair threads than a fixed machine tool and can adapt to more construction working conditions;
3. compared with a manual repairing mode, the method can be better suitable for cleaning and repairing the threads of the large-batch and large-diameter screws.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic view of the installation structure of the inner sleeve and the outer sleeve;
FIG. 2 is a schematic cross-sectional view of the mounting structure of the inner and outer sleeves;
FIG. 3 is a schematic front view of the structure of FIG. 2;
FIG. 4 is a schematic view of a thread repair process.
Description of reference numerals:
1-inner sleeve; 2-coating the outer sleeve; 3-round dies; 4-electric torque wrench; 5-self-lubricating shaft sleeve; 6-pre-burying a screw rod; 1-1-a first set screw; 1-2-a second connecting groove; 1-3-a second boss; 2-1-fixing the bayonet; 2-2-a first connection groove; 2-3-a second set screw; 2-4-a fixation rod; 4-1-a first boss; 4-2-attachment screws.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the present invention is not limited thereto.
Referring to fig. 1 to 4, an embodiment of the present invention provides a handheld electric screw thread repairing device, which specifically includes: an inner sleeve 1, an outer sleeve 2, a round die 3 and an electric torque wrench 4; the inner sleeve 1 is connected to the lower end of a main shaft of the electric torque wrench 4, the upper end of the inner sleeve 1 is designed into a spline according to the connection form of the installation port of the electric torque wrench 4, the spline is inserted into the installation port of the electric torque wrench 4, so that the inner sleeve 1 and the electric torque wrench 4 are fixed, and the electric torque wrench 4 can drive the inner sleeve 1 to rotate when in use.
The outer sleeve 2 is movably connected to the periphery of the inner sleeve 1 and fixedly connected with the outer shell of the electric torque wrench 4, the upper end of the outer sleeve 2 is provided with a fixed bayonet 2-1 and a first connecting groove 2-2, the fixed bayonet 2-1 is fixed with a first boss 4-1 on the outer shell of the electric torque wrench 4, and the first connecting groove 2-2 is fixedly connected with a connecting screw 4-2 on the outer shell of the electric torque wrench 4, so that the electric torque wrench 4 is prevented from falling off from the outer sleeve 2.
The round die 3 is fixedly connected in a mounting hole at the lower end of the inner sleeve 1, a first threaded hole is formed in the side wall of the mounting hole at the lower end of the inner sleeve 1, a first set screw 1-1 is mounted on the first threaded hole and is fixedly connected with the round die 3, and the round die 3 is matched with the specification of a thread to be repaired; the head of the first set screw 1-1 is located in the inner sleeve 1.
A second connecting groove 1-2 is formed in the inner sleeve 1 below the spline; a second threaded hole is formed in the outer sleeve 2 below the fixing bayonet 2-1, a second set screw 2-3 is installed on the second threaded hole and located in the second connecting groove 1-2, and a gap exists between the second set screw 2-3 and the second connecting groove 1-2, so that the inner sleeve 1 is connected with the outer sleeve 2 while the inner sleeve 1 is not limited to rotate.
The device also comprises a self-lubricating shaft sleeve 5, wherein the self-lubricating shaft sleeve 5 is fixed between the outer sleeve 2 and the inner sleeve 1 and is fixed on the inner wall of the outer sleeve 2, and the self-lubricating shaft sleeve 5 is in interference fit with the outer sleeve 2 and is in clearance fit with the inner sleeve 1; the outer side of the lower end of the inner sleeve 1 is provided with a second boss 1-3, so that the self-lubricating shaft sleeve 5 is prevented from falling off from the space between the outer sleeve 2 and the inner sleeve 1; the self-lubricating shaft sleeve 5 can enable the inner sleeve 1 to flexibly rotate when in use.
Furthermore, one side of the outer sleeve 2 is provided with a fixing rod 2-4, and the fixing rod 2-4 can play a role of a reaction arm when the whole device is used, so that the thread repair can be smoothly carried out.
The installation process of the device is as follows: selecting a proper round die 3, fixing the round die 3 in a mounting hole at the lower end of the inner sleeve 1, then installing the inner sleeve 1 with the round die 3 in the outer sleeve 2, connecting the inner sleeve 1 and the outer sleeve 2 together by screwing a second set screw 2-3 on the side surface of the outer sleeve 2, and finally installing and connecting a combined member formed by the inner sleeve 1 and the outer sleeve 2 with an electric torque wrench 4.
The use process of the device is as follows:
when using electronic screw thread prosthetic devices of hand-held type to carry out the screw thread restoration, overlap the screw thread tip at buried screw 6 in advance with round die 3, the counter-force arm of overcoat 2 is in suitable strong point department, guarantee whole device and buried screw 6's axis coincidence, then open this screw thread prosthetic devices behind electronic torque wrench 4's the switch and can repair the screw thread of damage along buried screw 6's direction in advance, the screw thread restores and finishes the back reversal electronic torque wrench 4 and makes whole device withdraw from buried screw 6 completely.
When the round die 3 needs to be replaced, the connecting screw of the outer shell of the electric torque wrench 4 is loosened to take down the combined part of the inner sleeve 1 and the outer sleeve 2, then the first set screw 1-1 is loosened in sequence, and the thread repairing device is assembled again after the new round die 3 is replaced.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (6)
1. A hand-held power screw thread rehabilitation device, comprising: the device comprises an inner sleeve, an outer sleeve, a round die and an electric torque wrench; the inner sleeve is connected to the lower end of the main shaft of the electric torque wrench; the outer sleeve is movably connected to the periphery of the inner sleeve and is fixedly connected with the outer shell of the electric torque wrench; the round die is fixedly connected in the mounting hole at the lower end of the inner sleeve.
2. The hand-held, powered thread restoration device according to claim 1 further comprising a self-lubricating sleeve disposed between said outer sleeve and inner sleeve and secured to an inner wall of said outer sleeve.
3. The hand-held electric screw thread repairing device according to claim 1 or 2, wherein a spline is arranged at the upper end of the inner sleeve, and the spline is connected with a mounting port of a main shaft of the electric torque wrench; the side wall of the mounting hole at the lower end of the inner sleeve is provided with a first threaded hole, and a first set screw is mounted on the first threaded hole and fixedly connected with the round die.
4. The hand-held electric screw thread repairing device according to claim 3, wherein the upper end of the outer sleeve is provided with a fixing bayonet and a first connecting groove, the fixing bayonet is fixed with a first boss on the electric torque wrench shell, and the first connecting groove is fixedly connected with a screw on the electric torque wrench shell.
5. The hand-held electric screw thread repairing device according to claim 4, wherein a second connecting groove is formed on the inner sleeve below the spline, a second threaded hole is formed on the outer sleeve below the fixing bayonet, a second set screw is installed on the second threaded hole and located in the second connecting groove, and a gap is formed between the second set screw and the second connecting groove.
6. The hand-held, powered thread rehabilitation device of claim 5 wherein a securing rod is provided on one side of said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120559242.XU CN214489134U (en) | 2021-03-18 | 2021-03-18 | Hand-held electric thread repairing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120559242.XU CN214489134U (en) | 2021-03-18 | 2021-03-18 | Hand-held electric thread repairing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214489134U true CN214489134U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120559242.XU Active CN214489134U (en) | 2021-03-18 | 2021-03-18 | Hand-held electric thread repairing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214489134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872509A (en) * | 2021-03-18 | 2021-06-01 | 中铁宝桥（扬州）有限公司 | Hand-held electric thread repairing device |
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2021
- 2021-03-18 CN CN202120559242.XU patent/CN214489134U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872509A (en) * | 2021-03-18 | 2021-06-01 | 中铁宝桥（扬州）有限公司 | Hand-held electric thread repairing device |
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