CN220268176U - Screw assembly capable of being quickly disassembled and self-locked and not to be separated - Google Patents
Screw assembly capable of being quickly disassembled and self-locked and not to be separated Download PDFInfo
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- CN220268176U CN220268176U CN202321857934.8U CN202321857934U CN220268176U CN 220268176 U CN220268176 U CN 220268176U CN 202321857934 U CN202321857934 U CN 202321857934U CN 220268176 U CN220268176 U CN 220268176U
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- nut sleeve
- rotation plate
- locked
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- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 abstract 1
- 230000009471 action Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 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 discloses a quick-release self-locking screw assembly which comprises a screw and a nut sleeve, wherein a bottom plate is fixed at the bottom of the nut sleeve, the upper part of the nut sleeve is in threaded connection with the screw, an anti-rotation plate is arranged in the nut sleeve, a spring is arranged between the anti-rotation plate and the bottom plate, and the bottom of the screw is in butt joint with the anti-rotation plate. According to the utility model, the spring, the bottom plate and the anti-rotation plate are arranged in the nut sleeve, and the anti-rotation plate can clamp the end part of the screw screwed into the nut sleeve by utilizing the elasticity of the spring and the supporting force provided by the bottom plate, so that the self-locking process of the screw is realized; the screw self-locking device has the advantages of simple structure and ingenious design, the self-locking process of the screw can be completed, the screw and the anti-rotation plate are further optimized in structure, the screw can be better self-locked and removed, the screw and the nut sleeve can be prevented from being separated, the screw and the nut sleeve are prevented from being separated from a fixed piece, the screw self-locking device is particularly suitable for fixing large-sized instruments, and the screw self-locking device is convenient to install and overhaul and suitable for being widely popularized and applied.
Description
Technical Field
The utility model relates to the technical field of part fasteners, in particular to a screw assembly capable of being quickly detached and self-locked.
Background
In the connection of the existing stud and the nut, the stud and the nut are loosened due to vibration and the like, so that a product is damaged, the service time of the product is shortened, and serious production or living accidents can be possibly caused, so that bad results are generated. Therefore, the self-locking screw is generated, but the existing self-locking screw is complex in structure and high in cost, the screw and the nut are generally matched for use, and after the screw and the nut are removed, the screw and the nut are separated from fixing equipment, so that the screw and the nut are easy to lose.
Disclosure of Invention
The utility model aims to provide a screw assembly capable of realizing quick-release, self-locking and non-falling-out functions.
The utility model is realized by the following technical scheme: the utility model provides a quick release auto-lock screw subassembly that does not deviate from, includes screw and nut cover, nut cover bottom is fixed with the bottom plate, nut cover upper portion and screw threaded connection, the inside anti-rotation board that is provided with of nut cover, be provided with the spring between anti-rotation board and the bottom plate, screw bottom and anti-rotation board butt.
The working principle of the technical scheme is that the anti-rotation plate is combined with the spring to realize the self-locking function, after the screw is screwed well, the screw is inserted into the anti-rotation plate, and under the action of the spring, if the screw is unscrewed, the spring force provided by the anti-rotation plate is overcome, so that the screwing torque force of the screw is increased, and the self-locking is realized.
In order to better realize the utility model, the screw further comprises a polish rod part at the upper part, a thread part at the lower part and a V-shaped root part at the bottom, and the upper part of the anti-rotation plate is provided with a clamping groove matched with the V-shaped root part at the bottom of the screw.
In order to better realize the utility model, further, the clamping groove on the anti-rotation plate is in a cross shape, and the V-shaped root part at the bottom of the screw is clamped in the transverse groove or the longitudinal groove of the cross-shaped clamping groove on the anti-rotation plate.
In order to better realize the utility model, further, the threaded parts at the lower parts of the screws are trapezoidal external threads, and trapezoidal internal threads matched with the screws are arranged on the inner side of the nut sleeve and positioned on the anti-rotation plate.
In order to better realize the utility model, the bottom plate and the nut sleeve are in an integrated structure, the inner wall of the middle part of the nut sleeve is also provided with a convex ring for limiting the anti-rotation plate, and the upper part of the convex ring is a trapezoid internal thread matched with the screw. Wherein the nut sleeve and the bottom plate are integrally formed by stamping.
In order to better realize the utility model, the screw is further a hexagon socket screw.
In order to better realize the utility model, further, the middle part of the nut sleeve is also provided with symmetrical lug-shaped keys, and the lug-shaped keys are provided with mounting holes.
Compared with the prior art, the utility model has the following advantages:
(1) According to the utility model, the spring, the bottom plate and the anti-rotation plate are arranged in the nut sleeve, and the anti-rotation plate can clamp the end part of the screw screwed into the nut sleeve by utilizing the elasticity of the spring and the supporting force provided by the bottom plate, so that the self-locking process of the screw is realized;
(2) According to the utility model, by optimizing the structure of the screw, the screw is provided with the polished rod part, and after the screw is screwed into the screw hole of the fixed piece, the screw can be embedded on the fixed piece by utilizing the polished rod part, so that the screw component can be prevented from falling off from the fixed piece and is prevented from falling off when the screw component is removed;
(3) The utility model adopts the trapezoidal thread to connect the nut sleeve and the screw, the trapezoidal thread has high strength, the required effective thread turns are smaller, and the nut sleeve can be screwed out and in faster than the common thread under the same strength requirement, thereby realizing the quick assembly and quick disassembly process;
(4) The screw self-locking device is simple in structure and ingenious in design, not only can complete the self-locking process of the screw, but also can better self-lock and disassemble the screw by optimizing the structures of the screw and the anti-rotation plate, and meanwhile, the screw can be prevented from being separated from the nut sleeve and then being separated from the fixed piece, so that the screw self-locking device is particularly suitable for fixing large-scale instruments, is convenient for installation and overhaul of the large-scale instruments, and is suitable for wide popularization and application.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 3 is a cross-sectional view of the present utility model;
fig. 4 is a schematic view of a structure of the anti-rotation plate locking a screw according to the present utility model.
Wherein: 1-screw, 11-polish rod part, 12-screw part, 13-V-shaped root part, 2-nut sleeve, 3-bottom plate, 4-anti-rotation plate and 5-spring.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; or may be directly connected, or may be indirectly connected through an intermediate medium, or may be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1:
the main structure of this embodiment, as shown in fig. 1-3, including screw 1 and nut cover 2, nut cover 2 bottom is fixed with bottom plate 3, and nut cover 2 upper portion and screw 1 threaded connection, nut cover 2 inside is provided with prevents changeing board 4, be provided with spring 5 between preventing changeing board 4 and the bottom plate 3, screw 1 bottom and prevent changeing board 4 butt.
The concrete implementation process is that firstly, the nut sleeve 2 is fixed with a fixing piece to be fixed, then the spring 5 and the anti-rotation plate 4 are sequentially arranged in the nut sleeve 2, then the screw 1 is screwed into the nut sleeve 2, after the screw 1 is contacted with the anti-rotation plate 4 in the nut sleeve 2, the screw 1 is continuously screwed into the nut sleeve 2, at the moment, the screw 1 gives downward pressure to the anti-rotation plate 4, and the spring 5 at the lower part of the anti-rotation plate 4 provides upward supporting force for the anti-rotation plate 4 under the action of the pressure, so that the anti-rotation plate 4 limits the screw, the screwing-out torque force of the screw 1 is increased, and self-locking is achieved. When the screw is unscrewed, the screw 1 can be unscrewed only by overcoming the torsion provided by the anti-rotation plate 4 for the screw 1, so that the screw 1 is separated from the nut sleeve 2.
Example 2:
the structure of the screw 1 is further defined on the basis of the above embodiment, as shown in fig. 2 to 4, the screw 1 includes a polish rod portion 11 at the upper portion, a threaded portion 12 at the lower portion, and a V-shaped root portion 13 at the bottom, and a clamping groove matched with the V-shaped root portion 13 at the bottom of the screw 1 is provided at the upper portion of the anti-rotation plate 4. When the screw assembly is used for fixing structural components, such as an airplane flap, an airplane nacelle flap and other parts, the nut sleeve 2 is fixed on the lower clamping plate layer, the screw 1 is nested in the upper clamping plate layer, the upper clamping plate layer is also provided with internal threads matched with the screw 1, when the screw 1 is screwed into the upper clamping plate layer to enter the nut sleeve 2, the polish rod part 11 on the upper part of the screw 1 is placed in a screw hole of the upper clamping plate layer, at the moment, the polish rod part 11 of the screw 1 cannot be contacted with the internal threads of the upper clamping plate layer, when the screw 1 is screwed out of the nut sleeve 2, the screw 1 can not be screwed out of the upper clamping plate layer, and the screw 1 is nested in the screw hole of the upper clamping plate layer by utilizing the polish rod part of the screw 1, so that the screw can be prevented from falling out of the upper clamping plate layer and the screw is prevented from falling and losing. The installation process, especially in the maintenance process, of the later stage of the screw 1 can be greatly shortened, and the maintenance efficiency can be improved. Other portions of the present embodiment are the same as those of the above embodiment, and will not be described again.
Example 3:
the embodiment is further defined on the basis of the above embodiment, the clamping groove on the anti-rotation plate 4 is in a cross shape, and the V-shaped root 13 at the bottom of the screw 1 is clamped in the transverse groove or the longitudinal groove of the cross-shaped clamping groove on the anti-rotation plate. The cross clamping groove arranged on the anti-rotation plate 4 can more easily limit the V-shaped root 13 at the bottom of the screw 1, and the alignment adjustment of the screw 1 or the anti-rotation plate 4 is small. Other portions of the present embodiment are the same as those of the above embodiment, and will not be described again.
Example 4:
the present embodiment is further defined on the basis of the foregoing embodiment, that the threaded portions 12 at the lower portion of the screw 1 are trapezoidal external threads, and that the inner side of the nut sleeve 2, located at the inner side of the anti-rotation plate 4, is provided with trapezoidal internal threads matching the screw 1. The trapezoidal thread has high strength, the required effective number of turns of the thread is smaller, and the thread can be screwed out and in faster than the common thread under the same strength requirement, so that quick disassembly and quick assembly are realized, and the trapezoidal thread is preferable between the screw 1 and the nut sleeve 2. Other portions of the present embodiment are the same as those of the above embodiment, and will not be described again.
Example 5:
the embodiment is further defined on the basis of the above embodiment, the bottom plate 3 and the nut sleeve 2 are in an integrated structure, the inner wall of the middle part of the nut sleeve 2 is further provided with a convex ring for limiting the anti-rotation plate 4, and the upper part of the convex ring is a trapezoid internal thread matched with the screw 1. The nut sleeve 2 and the bottom plate 3 are integrally formed through stamping, the anti-rotation plate 4 can be limited in the nut sleeve 2 through the arrangement of the convex ring, so that the spring 5 can keep supporting the anti-rotation plate 4, and in addition, the anti-rotation plate 4 can be prevented from falling out of the nut sleeve 2 under the action of elasticity after the screw 1 is removed through the arrangement of the convex ring. Other portions of the present embodiment are the same as those of the above embodiment, and will not be described again.
Example 6:
the present embodiment is further defined on the basis of the above embodiment, wherein the screw 1 is a hexagon socket screw. The outer edge of the screw head of the inner hexagon countersunk head screw is round, the middle is a concave hexagon, the inner hexagon countersunk head screw can provide stronger torsion force compared with a common cross-shaped or straight-shaped screw, and the inner hexagon countersunk head screw is suitable for self-locking screw assembly application, and is preferred. Other portions of the present embodiment are the same as those of the above embodiment, and will not be described again.
Example 7:
the present embodiment is further defined on the basis of the foregoing embodiment, where a symmetrical ear-shaped key is further provided in the middle of the nut sleeve 2, and a mounting hole is provided on the ear-shaped key. The nut sleeve 2 needs to be fixed on a piece to be fixed, and particularly an ear-shaped key with a mounting hole is arranged in the middle of the nut sleeve 2, so that the nut sleeve is convenient to mount with the piece to be fixed. Other portions of the present embodiment are the same as those of the above embodiment, and will not be described again.
It will be appreciated that the working principle and operation of the components, such as the spring 5, of the screw assembly structure according to one embodiment of the present utility model are well known to those skilled in the art and will not be described in detail herein.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a quick release auto-lock screw subassembly that does not deviate from, its characterized in that includes screw (1) and nut cover (2), nut cover (2) bottom is fixed with bottom plate (3), nut cover (2) upper portion and screw (1) threaded connection, nut cover (2) inside is provided with anti-rotation board (4), be provided with spring (5) between anti-rotation board (4) and bottom plate (3), screw (1) bottom and anti-rotation board (4) butt.
2. The screw assembly capable of being quickly detached and self-locked and not pulled out according to claim 1, wherein the screw (1) comprises a polish rod part (11) at the upper part, a threaded part (12) at the lower part and a V-shaped root part (13) at the bottom, and a clamping groove matched with the V-shaped root part (13) at the bottom of the screw (1) is arranged at the upper part of the anti-rotation plate (4).
3. The screw assembly capable of being quickly detached and self-locked and not separated according to claim 2, wherein the clamping groove on the anti-rotation plate (4) is in a cross shape, and the V-shaped root (13) at the bottom of the screw (1) is clamped in a transverse groove or a longitudinal groove of the cross-shaped clamping groove on the anti-rotation plate.
4. A quick release self-locking screw assembly according to claim 3, wherein the screw thread parts (12) at the lower part of the screw (1) are all trapezoidal external threads, and the inner side of the nut sleeve (2) is provided with trapezoidal internal threads matched with the screw (1) at the inner side of the anti-rotation plate (4).
5. The screw assembly capable of being quickly detached and self-locked and not being separated according to claim 4, wherein the bottom plate (3) and the nut sleeve (2) are of an integrated structure, a convex ring for limiting the anti-rotation plate (4) is further arranged on the inner wall of the middle part of the nut sleeve (2), and trapezoidal internal threads matched with the screw (1) are formed on the upper part of the convex ring.
6. The screw assembly capable of being quickly detached and self-locked and not pulled out according to any one of claims 1-5, wherein the screw (1) is a hexagon socket head cap screw.
7. The screw assembly capable of being quickly detached and self-locked and not being separated according to any one of claims 1-5, wherein a symmetrical lug-shaped key is further arranged in the middle of the nut sleeve (2), and a mounting hole is formed in the lug-shaped key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321857934.8U CN220268176U (en) | 2023-07-14 | 2023-07-14 | Screw assembly capable of being quickly disassembled and self-locked and not to be separated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321857934.8U CN220268176U (en) | 2023-07-14 | 2023-07-14 | Screw assembly capable of being quickly disassembled and self-locked and not to be separated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220268176U true CN220268176U (en) | 2023-12-29 |
Family
ID=89310462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321857934.8U Active CN220268176U (en) | 2023-07-14 | 2023-07-14 | Screw assembly capable of being quickly disassembled and self-locked and not to be separated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220268176U (en) |
-
2023
- 2023-07-14 CN CN202321857934.8U patent/CN220268176U/en active Active
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