CN217552252U - Flat round head and countersunk head bolt constant force adapter - Google Patents
Flat round head and countersunk head bolt constant force adapter Download PDFInfo
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- CN217552252U CN217552252U CN202220621787.3U CN202220621787U CN217552252U CN 217552252 U CN217552252 U CN 217552252U CN 202220621787 U CN202220621787 U CN 202220621787U CN 217552252 U CN217552252 U CN 217552252U
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- fixed force
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- force rod
- rod
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Abstract
The utility model provides a flat-head and countersunk head bolt decide power adapter, include: the device comprises a fixed force rod (1), a balance cap (2) and a protection pad (3); one end of the fixed force rod (1) is a fixed force end and is in fit connection with a fixed force wrench, and the other end of the fixed force rod is a contact end and is in contact with a bolt head, so that when the fixed force wrench rotates the fixed force rod (1), the fixed force rod drives the bolt to rotate; the fixed force rod (1) is further provided with a key groove part, the key groove part is arranged close to the contact end, and the balance cap (2) is clamped on the key groove part; the protection pad (3) is arranged between the balance cap (2) and a product part for mounting the bolt head. The bolt head is not limited by a special space, and the switching fixing force of the flat round head or the countersunk head bolt at the position where the bolt head is intersected or the gap is too small can be quickly and accurately realized.
Description
Technical Field
This belongs to the aeronautical technical field, concretely relates to flat-head and countersunk head bolt normal force adapter.
Background
At present, in the process of airplane assembly, after a bolt hole is expanded and reamed from a primary hole, a bolt, an installation gasket and a nut are put in, and the nut is screwed by a common wrench until the moment feeling is strong. After the initial screwing-up of the screw is usually completed, the screw is screwed up by a fixed-force wrench at the nut matched with the bolt according to the requirement of specified torque.
The airplane assembly structure often has structural parts which need to be connected by bolts in the vertical, left-right and front-back directions, and the situations that bolt heads collide with each other or are influenced by structural space often exist, and the airplane structure is not easy to change, so that the situation that the force is inconvenient or difficult to fix occurs, and meanwhile, a certain influence is generated on the field assembly period; if a fault occurs, the problem is also troubled when the force is fixed by the secondary screw connection.
SUMMERY OF THE UTILITY MODEL
Utility model purpose:
the utility model provides a flat button head and countersunk head bolt decide power adapter, it is extensive, easy dismounting to be suitable for the position, and the better deciding power instrument of interchangeability.
The technical scheme is as follows:
the utility model provides a flat button head and countersunk head bolt normal force adapter, include: the device comprises a fixed force rod 1, a balance cap 2 and a protection pad 3; wherein, the first and the second end of the pipe are connected with each other,
one end of the fixed force rod 1 is a fixed force end and is in fit connection with a fixed force wrench, and the other end of the fixed force rod is a contact end and is in contact with a bolt head, so that the fixed force wrench drives the bolt to rotate when rotating the fixed force rod 1;
the fixed force rod 1 is further provided with a key groove part, the key groove part is arranged close to the contact end, and the balance cap 2 is clamped on the key groove part;
the protection pad 3 is disposed between the balance cap 2 and a product part on which the bolt head is mounted.
Optionally, one side of the keyway portion on the fixed force rod 1, which is away from the contact end, is further provided with an annular protrusion, which is used for adjusting the center of gravity of the fixed force rod 1 to be close to the contact end.
Optionally, one end of the balance cap 2 is in contact with the annular protrusion.
Optionally, the protection pad 3 is an elastic material protection pad.
Optionally, the contact end has a profile matching a groove on the bolt head.
Optionally, the contact end is in a straight shape.
Has the beneficial effects that:
the utility model provides a fixed force switching tool for a flat-head and a countersunk head bolt, wherein the shape main body of a fixed force rod is cylindrical, the structure is short and simple, the switching fixed force of the flat-head or the countersunk head bolt can be realized by a quick replacement mode, and the operation is convenient; when the constant force space is open, the balance cap and the protection pad are matched with the constant force rod, constant force switching can be stably and reliably realized, and meanwhile, the surface of a product at the constant force switching part can be effectively protected; the fixed force rod can realize the switching between the oblate head, the countersunk head bolt and the fixed force wrench, when the construction space is limited or the bolt head is crossed or the gap is too small, the fixed force problem of the oblate head or the countersunk head bolt can be solved by utilizing the bolt head, the stability is good, the accuracy and the reliability are realized, the operation difficulty of an operator is reduced, and the applicability is strong.
Drawings
FIG. 1 is an isometric view of a constant force adapter for a flat round head and a countersunk head bolt of the present invention;
FIG. 2 is a schematic view of a part of a constant force rod according to the present invention;
FIG. 3 is a view showing the appearance of a part of the middle balance cap of the present invention;
FIG. 4 is a view showing the outer shape of the middle protective pad of the present invention;
description of reference numerals:
1-a fixed force rod; 2-a balance cap; and 3, protecting the pad.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, the utility model provides a flathead head and countersunk head bolt decide power adapter, include: a fixed force rod 1; a balance cap 2; a protection pad 3.
The fixed force rod 1, the appearance main part is cylindrical, whole length 75mm, and the short and small simple of structure, easy operation, space suitability is strong, and fixed force rod 1 can divide into 'five parts': the first part of the fixed force rod 1 is an upper end, the second part of the fixed force rod 1 is a straight cylinder below the upper end, the third part of the fixed force rod 1 is a straight cylinder above the lower end, the fourth part of the fixed force rod 1 is an upper section part of the lower end, and the fifth part of the fixed force rod 1 is a lower section part of the lower end. The six square heads of the first part of the fixed force rod 1 are connected with a fixed force tool, and a fixed force wrench can realize fixed force reading through the fixed force rod 1; the second part of the force fixing rod 1 is a straight cylinder below the upper end head, and the force fixing rod mainly serves as a handheld part for operation in the process of transferring and fixing force, and is convenient to operate, stable and reliable; the third part of the fixed force rod 1 is a straight cylinder above the lower end, and the action is mainly to enable the whole gravity center of the fixed force rod 1 to move downwards in the process of transferring fixed force, to be close to the end of a bolt needing fixed force, and to increase the stability of the fixed force rod 1 in the process of transferring fixed force; the fourth part of the fixed force rod 1 is the upper section part of the lower end socket, and the spline arranged on the upper section part of the lower end socket of the fixed force rod 1 can be matched with the groove on the balance cap 2 for use, so that the balance cap 2 and the fixed force rod 1 can be ensured to be tightly matched and rotate together in the process of transferring fixed force, and the stability of the fixed force rod 1 in the process of transferring fixed force is improved; the fifth part of the fixed force rod 1 is a lower end head lower section part, and the lower end head lower section part of the fixed force rod 1 is provided with a 'one' -shaped protruding structure, so that the fixed force rod can be in contact fit with the flat-head end and the upper end head of the countersunk head bolt, and the purpose of realizing bolt head switching fixed force through the fixed force rod 1 is achieved.
The balance cap 2 is a cylinder with the shape of 'ring', the whole length is 15mm, the outer diameter is the same as the maximum outer diameter of the fixed force rod 1, the groove on the balance cap 2 is matched with the spline on the upper section of the lower end head of the fixed force rod 1 for use, so that the balance cap 2 and the fixed force rod 1 can be tightly matched and rotate together in the process of transferring fixed force, meanwhile, the upper end surface of the balance cap 2 is in matched contact with the lower surface of the position of the maximum diameter of the fixed force rod 1, and the stability of the fixed force rod 1 in the process of transferring fixed force is improved; the terminal surface is contacted with the laminating of the upper surface of protection pad 3 under balanced cap 2, at balanced cap 2 and the rotatory in-process of the switching constant force of fixed force pole 1, avoids causing the damage to the product surface.
The protective pad 3 is made of square rectangular elastic material, the whole length is 5mm, the upper surface of the protective pad 3 is in contact with the lower end face of the balance cap 2 in a fitting manner, and the protective pad can play a supporting role in the rotating process of transferring constant force;
the lower surface of the protection pad 3 is contacted with the upper surface of the product in a fitting manner, and in the rotating process of the balance cap 2 and the fixed force rod 1 which are connected with each other in a fixed force manner, the protection pad 3 is made of elastic material, so that the surface of the product can be prevented from being damaged. The central area is provided with an avoidance hole, and enough construction space can be reserved for the operation of the fixed force rod 1 in the process of transferring the fixed force rod 1.
The utility model provides a use step:
1. when the bolt head switching constant force construction space is open, the constant force rod 1, the balance cap 2 and the protection pad 3 are matched for use to complete switching constant force.
First step, the protection pad 3 is placed
The protection pad 3 is prevented from being placed at a proper position of the bolt head needing the fixed force for transferring, and the avoidance hole in the central area on the protection pad 3 is adjusted, so that the bolt head needing the fixed force for transferring is placed at the central position of the avoidance hole or the clearance between the periphery of the avoidance hole and the periphery of the bolt head is adjusted to be as uniform as possible.
The second step is that: combination and placement of fixed force rod 1 and balance cap 2
Firstly, assembling the balance cap 2 to the lower end of the fixed force rod 1, completing the combination of the fixed force rod 1 and the balance cap 2, after the combination is completed, contacting the fixed force rod 1 with a bolt head needing to be connected with fixed force, and enabling the lower end face of the balance cap 2 to be in contact with the upper surface of the protection pad 3 in a fitting manner, so as to prepare for the next step.
The third step: complete the fixed force of the switching
After the fixed force rod 1 and the balance cap 2 are combined to be integrally placed, the fixed force wrench is connected with the upper end of the fixed force rod 1, after the connection is completed, the upper end of the fixed force rod 1 is held by one hand, the fixed force wrench is rotated by one hand, and the fixed force work content of the bolt is completed according to the fixed force requirement.
A hand-held
2. When the bolt head switching constant force construction space is limited, the constant force rod 1 is used independently to complete switching constant force.
After the fixed force rod 1 is placed to be in contact with a bolt head needing to be connected with fixed force, the fixed force wrench is connected with the upper end of the fixed force rod 1, after the connection is finished, the upper end of the fixed force rod 1 is held by one hand, the fixed force wrench is rotated by one hand, and the fixed force work content of the bolt is completed according to the fixed force requirement.
Claims (6)
1. The utility model provides an oblate head and countersunk head bolt normal force adapter which characterized in that includes: the device comprises a fixed force rod (1), a balance cap (2) and a protection pad (3); wherein, the first and the second end of the pipe are connected with each other,
one end of the fixed force rod (1) is a fixed force end and is in fit connection with a fixed force wrench, and the other end of the fixed force rod is a contact end and is in contact with a bolt head, so that the fixed force wrench drives the bolt to rotate when rotating the fixed force rod (1);
the fixed force rod (1) is further provided with a key groove part, the key groove part is arranged close to the contact end, and the balance cap (2) is clamped on the key groove part;
the protection pad (3) is arranged between the balance cap (2) and a product part for mounting the bolt head.
2. The fixed force adapter according to claim 1, wherein the side of the keyway part of the fixed force bar (1) away from the contact end is further provided with an annular protrusion for adjusting the center of gravity of the fixed force bar (1) close to the contact end.
3. Fixed force adapter tool according to claim 2, characterized in that one end of the balancing cap (2) is in contact with the annular protrusion.
4. The constant force adapter according to claim 1, wherein the protection pad (3) is an elastic material protection pad.
5. The fixed force adapter of claim 1, wherein the contact end has a profile that matches a groove on the bolt head.
6. The constant force adapter of claim 5, wherein the contact end is in the shape of a straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220621787.3U CN217552252U (en) | 2022-03-21 | 2022-03-21 | Flat round head and countersunk head bolt constant force adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220621787.3U CN217552252U (en) | 2022-03-21 | 2022-03-21 | Flat round head and countersunk head bolt constant force adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217552252U true CN217552252U (en) | 2022-10-11 |
Family
ID=83471000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220621787.3U Active CN217552252U (en) | 2022-03-21 | 2022-03-21 | Flat round head and countersunk head bolt constant force adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217552252U (en) |
-
2022
- 2022-03-21 CN CN202220621787.3U patent/CN217552252U/en active Active
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