CN220534121U - Supporting plate nut mounting tool in narrow space - Google Patents
Supporting plate nut mounting tool in narrow space Download PDFInfo
- Publication number
- CN220534121U CN220534121U CN202322244313.9U CN202322244313U CN220534121U CN 220534121 U CN220534121 U CN 220534121U CN 202322244313 U CN202322244313 U CN 202322244313U CN 220534121 U CN220534121 U CN 220534121U
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- Prior art keywords
- supporting plate
- plate nut
- nut
- diameter
- pressing
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- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000001788 irregular Effects 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of riveting assembly, and relates to a supporting plate nut mounting tool in a narrow space. Positioning ropes and central limiting blocks. The pressing stop block and the positioning rope are integrated, the center of the end face of the pressing stop block is grooved, the inner diameter of the groove is matched with the diameter of the tail of the supporting plate nut, the center of the groove of the pressing stop block is provided with a hole, and the diameter of the hole is matched with the diameter of the positioning rope. The central limiting block is a threaded step pin, and the end head is a small section of thread and is matched with the thread of the supporting plate nut; the length E of the polished rod of the boss of the central limiting block is larger than the sum of the thickness D of the workpiece and the thickness C of the platform of the supporting plate nut, and the maximum diameter H of the central limiting block is smaller than the distance J between two rivet holes of the supporting plate nut; a through hole is arranged in the middle of the central limiting block, and the diameter of the through hole is matched with that of the positioning rope. Through the pressing force of the pressing stop block on the supporting plate nut, the pressing stop block does not generate displacement during installation, so that an operator can position and install the supporting plate nut from one side of a workpiece in a closed area, and the installation quality of the supporting plate nut in a narrow space is improved.
Description
Technical Field
The utility model belongs to the technical field of riveting assembly, and particularly relates to a supporting plate nut mounting tool in a narrow space.
Background
In aircraft riveting assembly, the pallet nut has a very wide application range and is a common detachable blind connection fastener. The pallet nut has special mounting tools, but the helicopter structure is more complex, partial pallet nuts are mounted in a narrow space, operators cannot use the traditional mounting tools or even apply force, and difficulty is brought to mounting of the pallet nuts.
Disclosure of Invention
Aiming at the problem that the mounting of the supporting plate nut in a narrow space is difficult, the utility model provides a supporting plate nut mounting tool in the narrow space.
Technical proposal
A supporting plate nut installation tool in a narrow space comprises a pressing stop block 1, a positioning rope 2 and a central limiting block 3. The pressing stop block 1 and the positioning rope 2 are integrated, the center of the end face of the pressing stop block 1 is grooved, the inner diameter of the grooved is matched with the diameter of the tail of the supporting plate nut 4, the center of the groove of the pressing stop block 1 is provided with a hole, and the diameter of the hole is matched with the diameter of the positioning rope 2. The central limiting block 3 is a threaded step pin, and the end head is a small section of thread and is matched with the thread of the supporting plate nut 4; the boss polish rod length E of the central limiting block 3 is larger than the sum of the thickness D of the workpiece 5 and the platform thickness C of the supporting plate nut 4, and the maximum diameter H of the central limiting block 3 is smaller than the distance J between two rivet holes of the supporting plate nut 4; a through hole is arranged in the middle of the central limiting block 3, and the through hole is matched with the diameter of the positioning rope 2.
Further, the grooving depth A of the compression stop block 1 is smaller than the tail depth B of the support plate nut 4, the support plate nut 4 is vertically compressed only through the joint of the tail end face of the support plate nut 4 and the compression stop block 1, and the contact of other irregular structures on the support plate nut 4 with the compression stop block 1 is avoided, so that the support plate nut 4 is inclined after compression.
Further, the thread depth F of the center limiting block 3 is smaller than the thread depth G of the supporting plate nut 4, so that excessive screwing in when 3 is screwed in 4 is avoided, the threads of the 3 extend out of the end face of the supporting plate nut, and the pressing stop block 1 is ejected out.
Further, the positioning rope 2 is a wire with certain rigidity.
Further, the wire is specifically a fuse. Fuses are relatively common and easy to obtain.
Further, the pressing stop block 1 and the central limiting block 3 are both made of metal materials.
Technical effects
The tool enables the supporting plate nut to be fixed at the correct position through the central limiting block and the fuse, and the pressing force of the pressing stop block on the supporting plate nut enables the pressing stop block not to generate displacement during installation, so that an operator can position and install the supporting plate nut from one side of a workpiece in a closed area, and the installation quality of the supporting plate nut in a narrow space is improved.
Drawings
FIG. 1 is a schematic diagram of the operation of the present tool;
FIG. 2 is a three-dimensional schematic of the present tool;
Detailed Description
The utility model is further described below with reference to examples. The following description is of some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
When in use, the fuse passes through the supporting plate nut hole and the compression stop block, so that the supporting plate nut is sleeved into the groove of the compression stop block, and the supporting plate nut and the compression stop block are integrated. Determining the mounting position of the supporting plate nut, enabling the fuse to pass through the hole in the workpiece, tensioning the fuse, enabling the supporting plate nut to be close to the hole in the workpiece, enabling the fuse to pass through the through hole in the center limiting block, enabling the center positioning block to pass through the workpiece and be screwed into the threads of the supporting plate nut, tensioning the fuse again, enabling the supporting plate nut to be at the correct mounting position through the fuse, pressing the stop block to enable the supporting plate nut not to generate displacement, slightly rotating the center limiting block again, enabling the limiting block to rotate together with the supporting plate nut until the supporting plate nut rivet hole is concentric with the rivet hole in the workpiece, and enabling another operator to mount the supporting plate nut.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein. While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.
Claims (6)
1. The supporting plate nut mounting tool in the narrow space is characterized by comprising a pressing stop block, a positioning rope and a central limiting block; the pressing stop block and the positioning rope are integrated, the center of the end face of the pressing stop block is grooved, the inner diameter of the grooved is matched with the diameter of the tail part of the supporting plate nut, the center of the pressing stop block groove is provided with a hole, and the diameter of the hole is matched with the diameter of the positioning rope; the central limiting block is a threaded step pin, and the end head is a small section of thread and is matched with the thread of the supporting plate nut; the length E of the polished rod of the boss of the central limiting block is larger than the sum of the thickness D of the workpiece and the thickness C of the platform of the supporting plate nut, and the maximum diameter H of the central limiting block is smaller than the distance J between two rivet holes of the supporting plate nut; a through hole is arranged in the middle of the central limiting block, and the diameter of the through hole is matched with that of the positioning rope.
2. The tool for installing a pallet nut in a narrow space according to claim 1, wherein the depth of the groove a of the pressing stopper is smaller than the depth of the tail B of the pallet nut, and the pallet nut is vertically pressed only by the engagement of the end face of the tail of the pallet nut with the pressing stopper, so that the rest of irregular structures on the pallet nut are prevented from being in contact with the pressing stopper, resulting in tilting of the pallet nut after pressing.
3. The tool for installing a pallet nut in a narrow space according to claim 2, wherein the center stopper thread depth F is smaller than the pallet nut thread depth G, and when the tool is to be screwed in, excessive screwing is avoided, and the resulting threads protrude from the pallet nut end surface, thereby ejecting the pressing stopper.
4. A pallet nut installation tool in a confined space as claimed in claim 3, wherein said positioning string is a wire having a certain rigidity.
5. The tool of claim 4, wherein the wire is a fuse.
6. The tool of claim 5, wherein the compression stop and the center block are each made of a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322244313.9U CN220534121U (en) | 2023-08-21 | 2023-08-21 | Supporting plate nut mounting tool in narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322244313.9U CN220534121U (en) | 2023-08-21 | 2023-08-21 | Supporting plate nut mounting tool in narrow space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220534121U true CN220534121U (en) | 2024-02-27 |
Family
ID=89972027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322244313.9U Active CN220534121U (en) | 2023-08-21 | 2023-08-21 | Supporting plate nut mounting tool in narrow space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220534121U (en) |
-
2023
- 2023-08-21 CN CN202322244313.9U patent/CN220534121U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |