CN220286184U - Self-locking screw - Google Patents
Self-locking screw Download PDFInfo
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- CN220286184U CN220286184U CN202321915349.9U CN202321915349U CN220286184U CN 220286184 U CN220286184 U CN 220286184U CN 202321915349 U CN202321915349 U CN 202321915349U CN 220286184 U CN220286184 U CN 220286184U
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- screw rod
- screw
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- self
- locking
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- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000006073 displacement reaction Methods 0.000 claims description 60
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of screw fastening, in particular to a self-locking screw, which comprises a screw rod, wherein a rotating block is arranged on the screw rod, and the self-locking screw also comprises a screwing mechanism, wherein the screwing mechanism is arranged on the screw rod, and the screwing mechanism is manually utilized to provide power for self-locking limiting of the screw rod; the limiting mechanism is arranged on the screw rod, and the limiting mechanism is used for limiting the position of the screw rod under the control of the screwing mechanism; this auto-lock screw, be different from prior art, during the staff is in use, utilize stop gear is in under the precession mechanism control right the screw pole carries out the position and prescribes a limit to, under the condition that can not pass the work piece, makes the screw pole releases the auto-lock simply, and the separation of convenient connection work piece overhauls.
Description
Technical Field
The utility model relates to the technical field of screw fastening, in particular to a self-locking screw.
Background
The screw is a tool for progressively fastening a machine part by utilizing the physical and mathematical principles of the circular rotation and friction force of the inclined plane of an object, and is an indispensable necessity in daily life and industrial production; the workpiece fastened by the screw connection inevitably vibrates and shakes in the running process, and the screw is possibly loosened and reversely screwed out, so that the screw is required to be prevented from loosening in actual use; when the screw rod with smaller thickness connected with the workpiece can pass through the workpiece, an elastic washer, a double-nut lock, a self-locking nut, a cotter pin hole and the like can be arranged at one end of the screw rod passing through the workpiece and matched with the nut to carry out anti-loosening treatment on the screw rod; when the screw rod with larger thickness of the connecting workpiece can not pass through the workpieces and can only be connected and fastened inside the two workpieces, the screw rod can not be matched with the nuts, and the screw rod can be prevented from being loosened by coating adhesive on the screw thread to bond the internal thread and the external thread.
Under the condition that a screw rod cannot pass through a workpiece, such as ship steel plate connection and cutter workpiece connection, the existing self-locking screw adopts an adhesive method to realize looseness prevention, so that internal and external threads can be bonded, and when the workpiece needs to be separated to overhaul, the screw rod is difficult to unscrew, and overhaul operation is influenced; for this purpose, we propose a self-locking screw.
Disclosure of Invention
The present utility model is directed to a self-locking screw to solve the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a self-locking screw, includes the screw pole, be provided with the commentaries on classics piece on the screw pole, still including:
the screw rod is provided with a screw mechanism, and the screw rod is provided with a screw mechanism;
the limiting mechanism is arranged on the screw rod, and the screw rod is limited in position under the control of the screwing mechanism by utilizing the limiting mechanism.
The measures for further optimizing the technical scheme are as follows:
as an improvement, the screwing mechanism comprises a screwing rod which is arranged on the screw rod in a threaded manner, and a screwing groove is formed in the screwing rod.
As an improvement, the limiting mechanism comprises a pushing component arranged on the screw rod, and the screw rod is utilized to control the displacement of the pushing component;
two transmission assemblies are symmetrically arranged on the screw rod, and the screw rod is limited in position under the control of the pushing assembly by utilizing the two transmission assemblies.
As an improvement, the pushing component comprises a displacement piece arranged on the screw rod, two guide posts are symmetrically arranged on the displacement piece, first springs are arranged on the two guide posts, and a pushing block is arranged on the displacement piece.
As an improvement, the transmission assembly comprises a displacement column arranged on the screw rod, a displacement block matched with the pushing block is arranged on the displacement column, and a second spring is arranged on the displacement block.
As an improvement, one end of the displacement column far away from the pushing block is cut to form an end face.
The utility model has at least the following beneficial effects:
compared with the prior art, when using this auto-lock screw for the staff utilizes stop gear is in under the control of precession mechanism to the screw pole carries out the position and prescribes a limit to, under the condition that can not pass the work piece, makes the screw pole releases the auto-lock simply, and the separation of convenient connection work piece overhauls.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the partial cross-section of FIG. 1 in accordance with the present utility model;
FIG. 3 is a schematic view of the partial cross-section of FIG. 2 in accordance with the present utility model;
FIG. 4 is a schematic view of a limiting mechanism according to the present utility model;
FIG. 5 is a schematic view of the partial cross-section of FIG. 4 in accordance with the present utility model;
fig. 6 is a schematic diagram of a displacement column according to embodiment 2 of the present utility model.
In the figure: 1. a screw rod; 2. a rotating block; 3. a precession mechanism; 31. a screw-in rod; 32. screwing into the groove; 4. a limiting mechanism; 5. the pushing component; 51. a displacement sheet; 52. a guide post; 53. a first spring; 54. the pushing block; 6. a transmission assembly; 61. a displacement column; 62. a displacement block; 63. and a second spring.
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.
Examples
Referring to fig. 1-5, the present utility model provides a technical solution:
the utility model provides a self-locking screw, includes screw pole 1, is provided with turning block 2 on screw pole 1, still including:
the screw rod 1 is provided with a screw rod 3, and the screw rod 1 is provided with a screw rod 3;
and the limiting mechanism 4 is arranged on the screw rod 1, and the limiting mechanism 4 is used for limiting the position of the screw rod 1 under the control of the screwing mechanism 3.
The screw mechanism 3 includes a screw rod 31 screw-mounted on the screw rod 1, and a screw groove 32 is provided on the screw rod 31.
The limiting mechanism 4 comprises a pushing component 5 arranged on the screw rod 1, and the displacement of the pushing component 5 is controlled by utilizing the screw rod 31;
two transmission assemblies 6 are symmetrically arranged on the screw rod 1, and the screw rod 1 is limited in position under the control of the pushing assembly 5 by using the two transmission assemblies 6.
The pushing component 5 comprises a displacement sheet 51 arranged on the screw rod 1, two guide posts 52 are symmetrically arranged on the displacement sheet 51, first springs 53 are arranged on the two guide posts 52, and a pushing block 54 is arranged on the displacement sheet 51; the displacement sheet 51 movably penetrates through the two guide posts 52, the screw groove 32 is screwed to drive the screw rod 31 to rotate and displace, and the screw rod 31 drives the displacement sheet 51 and the pushing block 54 to displace.
The transmission assembly 6 comprises a displacement column 61 arranged on the screw rod 1, a displacement block 62 matched with the pushing block 54 is arranged on the displacement column 61, and a second spring 63 is arranged on the displacement block 62; the end surfaces of the two displacement blocks 62 are contacted and attached with the end surfaces of the pushing block 54, and the pushing block 54 pushes the two displacement blocks 62 to drive the two displacement columns 61 to displace.
When the screw rod 1 is used, a slot for the displacement columns 61 to move is formed in a workpiece to be connected and fastened, the tool is used for rotating the rotary block 2 to enable the screw rod 1 to be screwed into the workpiece to a proper distance, then the tool is used for screwing through the screwing groove 32 to drive the screwing rod 31 to rotate and displace, the screwing rod 31 drives the displacement sheets 51 and the pushing block 54 to displace, the pushing block 54 pushes the two displacement blocks 62 to drive the two displacement columns 61 to displace to the slot on the workpiece, and therefore the screw rod 1 is restrained in the axial direction of the screw rod 1 when the workpiece is oscillated and shaken, and the loosening of the whole structure is avoided; when the workpiece is required to be separated, the screw rod 31 is unscrewed through the screwing groove 32, so that the displacement column 61 leaves the groove on the workpiece, and then the rotating block 2 is rotated so that the screw rod 1 is unscrewed.
Examples
Referring to fig. 1-6, the present utility model provides a technical solution:
the utility model provides a self-locking screw, includes screw pole 1, is provided with turning block 2 on screw pole 1, still including:
the screw rod 1 is provided with a screw rod 3, and the screw rod 1 is provided with a screw rod 3;
and the limiting mechanism 4 is arranged on the screw rod 1, and the limiting mechanism 4 is used for limiting the position of the screw rod 1 under the control of the screwing mechanism 3.
The screw mechanism 3 includes a screw rod 31 screw-mounted on the screw rod 1, and a screw groove 32 is provided on the screw rod 31.
The limiting mechanism 4 comprises a pushing component 5 arranged on the screw rod 1, and the displacement of the pushing component 5 is controlled by utilizing the screw rod 31;
two transmission assemblies 6 are symmetrically arranged on the screw rod 1, and the screw rod 1 is limited in position under the control of the pushing assembly 5 by using the two transmission assemblies 6.
The pushing component 5 comprises a displacement sheet 51 arranged on the screw rod 1, two guide posts 52 are symmetrically arranged on the displacement sheet 51, first springs 53 are arranged on the two guide posts 52, and a pushing block 54 is arranged on the displacement sheet 51; the displacement sheet 51 movably penetrates through the two guide posts 52, the screw groove 32 is screwed to drive the screw rod 31 to rotate and displace, and the screw rod 31 drives the displacement sheet 51 and the pushing block 54 to displace.
The transmission assembly 6 comprises a displacement column 61 arranged on the screw rod 1, a displacement block 62 matched with the pushing block 54 is arranged on the displacement column 61, and a second spring 63 is arranged on the displacement block 62; the end surfaces of the two displacement blocks 62 are contacted and attached with the end surfaces of the pushing block 54, and the pushing block 54 pushes the two displacement blocks 62 to drive the two displacement columns 61 to displace.
The end of the displacement column 61 remote from the pushing block 54 is cut to form an end surface.
When the screw rod 1 is used, a slot for the displacement columns 61 to move is formed in a workpiece to be connected and fastened, the tool is used for rotating the rotary block 2 to enable the screw rod 1 to be screwed into the workpiece to a proper distance, then the tool is used for screwing through the screwing groove 32 to drive the screwing rod 31 to rotate and displace, the screwing rod 31 drives the displacement sheets 51 and the pushing block 54 to displace, the pushing block 54 pushes the two displacement blocks 62 to drive the two displacement columns 61 to displace to the slot on the workpiece, and therefore the screw rod 1 is restrained in the axial direction of the screw rod 1 when the workpiece is oscillated and shaken, and the loosening of the whole structure is avoided; when the workpiece is required to be separated, the screw rod 31 is unscrewed through the screwing groove 32, so that the displacement column 61 leaves the groove on the workpiece, and then the rotating block 2 is rotated to unscrew the screw rod 1; the end of the displacement column 61 far away from the pushing block 54 is cut to form an end face, so that the contact area between the displacement column 61 and a workpiece grooving position is increased, and the constraint friction effect is better.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a self-locking screw, includes screw pole (1), be provided with turning block (2) on screw pole (1), its characterized in that still includes:
the screw rod (1) is provided with a screw mechanism (3), and the screw mechanism (3) is arranged on the screw rod (1) and is used for providing power for self-locking limiting of the screw rod (1) manually;
the screw rod (1) is provided with a limiting mechanism (4), and the limiting mechanism (4) is used for limiting the position of the screw rod (1) under the control of the screwing mechanism (3).
2. A self-locking screw as claimed in claim 1, wherein: the screw rod (1) is characterized in that the screw mechanism (3) comprises a screw rod (31) which is arranged on the screw rod in a threaded mode, and a screw groove (32) is formed in the screw rod (31).
3. A self-locking screw as claimed in claim 2, wherein: the limiting mechanism (4) comprises a pushing component (5) arranged on the screw rod (1), and the pushing component (5) is controlled to displace by utilizing the screw rod (31);
two transmission assemblies (6) are symmetrically arranged on the screw rod (1), and the screw rod (1) is limited in position under the control of the pushing assembly (5) by utilizing the two transmission assemblies (6).
4. A self-locking screw according to claim 3, wherein: the pushing component (5) comprises a displacement piece (51) arranged on the screw rod (1), two guide posts (52) are symmetrically arranged on the displacement piece (51), first springs (53) are arranged on the two guide posts (52), and pushing blocks (54) are arranged on the displacement piece (51).
5. The self-locking screw of claim 4, wherein: the transmission assembly (6) comprises a displacement column (61) arranged on the screw rod (1), a displacement block (62) matched with the pushing block (54) is arranged on the displacement column (61), and a second spring (63) is arranged on the displacement block (62).
6. The self-locking screw of claim 5, wherein: and one end of the displacement column (61) far away from the pushing block (54) is cut to form an end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321915349.9U CN220286184U (en) | 2023-07-20 | 2023-07-20 | Self-locking screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321915349.9U CN220286184U (en) | 2023-07-20 | 2023-07-20 | Self-locking screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220286184U true CN220286184U (en) | 2024-01-02 |
Family
ID=89329527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321915349.9U Active CN220286184U (en) | 2023-07-20 | 2023-07-20 | Self-locking screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220286184U (en) |
-
2023
- 2023-07-20 CN CN202321915349.9U patent/CN220286184U/en active Active
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