CN220396234U - Special-shaped screw nut - Google Patents
Special-shaped screw nut Download PDFInfo
- Publication number
- CN220396234U CN220396234U CN202320933134.3U CN202320933134U CN220396234U CN 220396234 U CN220396234 U CN 220396234U CN 202320933134 U CN202320933134 U CN 202320933134U CN 220396234 U CN220396234 U CN 220396234U
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- Prior art keywords
- nut
- special
- screw
- shaped
- groove
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- 238000009434 installation Methods 0.000 abstract description 13
- 238000005299 abrasion Methods 0.000 abstract 1
- 206010066054 Dysmorphism Diseases 0.000 description 5
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a special-shaped screw nut, which relates to the field of standard components and comprises a screw and a matched nut, wherein a cylindrical inner hole screw head can be countersunk and is convenient to install and detach, a locking type grooved round nut is formed by combining a chassis and the special-shaped nut, and is fixed on a threaded rod by utilizing the self friction of an inner thread to lock with the threaded rod, so that the connection is more stable, a first fixing groove is arranged in a cross shape, a special-shaped hole is a flower hole groove, positioning special-shaped is convenient during processing and production, an axis is also ensured not to deviate during installation and detachment, radial stress and torque force are reduced, abrasion to the threaded rod is reduced, the installation and detachment are smoother, an arc groove is formed in the bottom end of the threaded rod, a certain space is ensured between the bottom end of the threaded rod and an installation hole, the pretightening force and the jacking force are reduced, the special-shaped groove is in the shape of a groove, a plurality of fine lines are arranged on the circumference, the friction force is increased, and the manual loosening and the nut installation are convenient.
Description
Technical Field
The utility model relates to standard component technology, in particular to a special-shaped screw nut.
Background
The nut is a part which is screwed together with a bolt or a screw rod to play a role in fastening, and in some special workpieces, the common screw nut cannot be used for production and processing, the workpiece cannot be well fixed, and in some structures, a large jacking force is required, and meanwhile, different torque forces and stresses are required to be borne, so that the special screw nut is required.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a special-shaped screw nut.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a special-shaped screw nut comprises a screw and a matched nut;
the screw comprises a screw head, first fixing grooves, special-shaped holes, a threaded rod and second fixing grooves, wherein the screw head is positioned at the top end of the screw, the first fixing grooves are formed in the top end of the screw head, the special-shaped holes are formed between the first fixing grooves, the threaded rod is fixedly connected to the bottom end of the screw, and the second fixing grooves are formed in the bottom end of the screw head;
the nut comprises a chassis, a special-shaped groove, a fixing plate and a threaded hole, wherein the chassis is fixedly connected to the bottom end of the nut, the special-shaped groove is formed in four sides of the top end of the nut, the fixing plate is fixedly connected to the top end between the special-shaped groove and the threaded hole, and the threaded hole is formed in the nut.
As a further description of the above technical solution: the screw head is a cylindrical inner hole screw head, and the nut is a locking type round nut with a groove.
As a further description of the above technical solution: the first fixing grooves are arranged in a cross shape, and the special-shaped holes are flower hole grooves.
As a further description of the above technical solution: the inside processing of threaded rod bottom has the arc groove.
As a further description of the above technical solution: the second fixing groove and two sides of the fixing plate adopt arc structures.
As a further description of the above technical solution: the special-shaped groove is shaped like a groove, and a plurality of fine lines are arranged on the circumference of the special-shaped groove.
Advantageous effects
1. The cylinder hole screw head can carry out the counter bore, easy to assemble and dismantlement, and locking formula fluted round nut is formed by chassis and dysmorphism nut combination, through fixing on the threaded rod, utilizes the internal thread to lock with the threaded rod from taking frictional force to die for the connection is more firm.
2. The first fixed slot is the cross setting, and the dysmorphism hole is the flower hole groove, and the location dysmorphism of being convenient for during processing production also guarantees that the axis can not take place the skew during the installation dismantlement, reduces radial stress and torque force, reduces the wearing and tearing to the threaded rod, makes the installation more smooth and easy with dismantling.
3. The inside processing of threaded rod bottom has the arc groove, ensures that there is certain space in threaded rod bottom and the mounting hole, reduces pretightning force and tight power in top.
4. The second fixed slot and the two sides of the fixed plate adopt arc structures, and when the nut and the screw rotate to the top end, the second fixed slot and the fixed plate are clamped, so that the nut and the screw are prevented from loosening.
5. The special-shaped groove is shaped like a groove wheel, and a plurality of fine lines are arranged on the circumference of the special-shaped groove, so that friction force is increased, and manual loosening and nut installation are facilitated.
Drawings
FIG. 1 is a schematic view of a screw structure according to the present utility model;
FIG. 2 is a schematic view of a nut according to the present utility model;
FIG. 3 is a schematic top view of a screw according to the present utility model;
FIG. 4 is a schematic view showing the bottom view of the screw according to the present utility model;
fig. 5 is a schematic top view of the nut of the present utility model.
Legend description: a screw 1; a screw head 101; a first fixing groove 102; a special-shaped hole 103; a threaded rod 104; a second fixing groove 105; a nut 2; a chassis 201; a special-shaped groove 202; a fixing plate 203; a threaded bore 204.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1-5, the present embodiment provides a special-shaped screw nut, which comprises a screw 1 and a matched nut 2;
the screw 1 comprises a screw head 101, a first fixing groove 102, special-shaped holes 103, a threaded rod 104 and a second fixing groove 105, wherein the screw head 101 is positioned at the top end of the screw 1, the first fixing groove 102 is formed in the top end of the screw head 101, the special-shaped holes 103 are formed between the first fixing grooves 102, the threaded rod 104 is fixedly connected to the bottom end of the screw 1, and the second fixing groove 105 is formed in the bottom end of the screw head 101;
the nut 2 comprises a chassis 201, a special-shaped groove 202, a fixing plate 203 and a threaded hole 204, the chassis 201 is fixedly connected to the bottom end of the nut 2, the special-shaped groove 202 is formed in four sides of the top end of the nut 2, the fixing plate 203 is fixedly connected to the top end between the special-shaped groove 202 and the threaded hole 204, and the threaded hole 204 is formed in the nut 2.
The screw head 101 is a cylindrical inner hole screw head, the nut 2 is a locking type grooved round nut, if the countersink installation is needed, the cylindrical inner hole screw head can be countersink, the locking type grooved round nut is convenient to install and detach, the locking type grooved round nut is formed by combining a chassis 201 and a special-shaped nut, and is locked with the threaded rod 103 by utilizing the self-contained friction force of an internal thread through being fixed on the threaded rod 103, so that the connection is more stable.
Wherein, first fixed slot 102 is the cross setting, and dysmorphism hole 103 is the flower hole groove, is convenient for fix a position dysmorphism hole 103 during processing production, also guarantees that the axis can not take place the skew during the installation dismantlement, reduces radial stress and torque force, reduces the wearing and tearing to threaded rod 103, makes the installation more smooth and easy with dismantling.
Wherein, the inside processing of threaded rod 103 bottom has the arc groove, ensures that threaded rod 103 bottom and mounting hole are interior to have certain space, reduces pretightning force and tight power in top.
Wherein, the two sides of the second fixing groove 105 and the fixing plate 203 adopt arc structures, when the nut 2 and the screw 1 rotate to the top end, the second fixing groove 105 and the fixing plate 203 are clamped, so as to prevent the nut 2 and the screw 1 from loosening.
Wherein, the special-shaped groove 202 is in a groove wheel shape, and a plurality of fine lines are arranged on the circumference, so that friction force is increased, and manual loosening and nut installation are facilitated.
Working principle: when the screw and the matched nut are produced and processed, the central axes of the first fixing groove 102 and the special-shaped groove 202 are firstly drawn, the position of a central hole is determined, and then the special-shaped hole 103, the threaded rod 104, the second fixing groove 105, the fixing plate 203 and the threaded hole 204 are processed;
during installation, if need to carry out counter bore installation, the counter bore can be carried out to cylinder hole screw head, easy to assemble and dismantlement, and locking formula fluted round nut is formed by chassis 201 and special-shaped nut combination, through fixing on threaded rod 103, utilizes the internal thread to lock with threaded rod 103 from taking frictional force to die for the connection is more firm.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. A special-shaped screw nut comprises a screw and a matched nut; the method is characterized in that:
the screw comprises a screw head, first fixing grooves, special-shaped holes, a threaded rod and second fixing grooves, wherein the screw head is positioned at the top end of the screw, the first fixing grooves are formed in the top end of the screw head, the special-shaped holes are formed between the first fixing grooves, the threaded rod is fixedly connected to the bottom end of the screw, and the second fixing grooves are formed in the bottom end of the screw head;
the nut comprises a chassis, a special-shaped groove, a fixing plate and a threaded hole, wherein the chassis is fixedly connected to the bottom end of the nut, the special-shaped groove is formed in four sides of the top end of the nut, the fixing plate is fixedly connected to the top end between the special-shaped groove and the threaded hole, and the threaded hole is formed in the nut.
2. A shaped screw nut as defined in claim 1, wherein: the screw head is a cylindrical inner hole screw head, and the nut is a locking type round nut with a groove.
3. The profiled screw nut as defined in claim 1, characterized in that: the first fixing grooves are arranged in a cross shape, and the special-shaped holes are flower hole grooves.
4. The profiled screw nut as defined in claim 1, characterized in that: the inside processing of threaded rod bottom has the arc groove.
5. The profiled screw nut as defined in claim 1, characterized in that: the second fixing groove and two sides of the fixing plate adopt arc structures.
6. The profiled screw nut as defined in claim 1, characterized in that: the special-shaped groove is shaped like a groove, and a plurality of fine lines are arranged on the circumference of the special-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320933134.3U CN220396234U (en) | 2023-04-24 | 2023-04-24 | Special-shaped screw nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320933134.3U CN220396234U (en) | 2023-04-24 | 2023-04-24 | Special-shaped screw nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220396234U true CN220396234U (en) | 2024-01-26 |
Family
ID=89605230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320933134.3U Active CN220396234U (en) | 2023-04-24 | 2023-04-24 | Special-shaped screw nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220396234U (en) |
-
2023
- 2023-04-24 CN CN202320933134.3U patent/CN220396234U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240418 Address after: 315100 Upstream Village, Jiangshan Town, Yinzhou District, Ningbo City, Zhejiang Province Patentee after: Ningbo Hongrui Fastener Manufacturing Co.,Ltd. Country or region after: China Address before: 315464 Huang Jia Bu Zhen Wu Che Yan Cun, Yuyao City, Ningbo City, Zhejiang Province Patentee before: Yuyao High and Medium Pressure Standard Parts Second Factory Country or region before: China |
|
| TR01 | Transfer of patent right |