CN210769771U - Self-locking bolt and nut assembly - Google Patents
Self-locking bolt and nut assembly Download PDFInfo
- Publication number
- CN210769771U CN210769771U CN201921318203.XU CN201921318203U CN210769771U CN 210769771 U CN210769771 U CN 210769771U CN 201921318203 U CN201921318203 U CN 201921318203U CN 210769771 U CN210769771 U CN 210769771U
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- Prior art keywords
- nut
- wedge
- screw thread
- bolt
- self
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- Expired - Fee Related
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- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a bolt technical field just discloses self-locking bolt nut subassembly, the screw cap comprises a nut, the bottom of nut is equipped with the screw thread section, the screw thread cover is equipped with the nut in the screw thread section, and the middle part of screw thread section has seted up the wear groove, the inside of screw thread section is equipped with and is located backup pad and bottom support plate on wear groove top and the bottom, it is equipped with the lead screw to go up one side movable sleeve between backup pad and the bottom support plate. This auto-lock bolt nut subassembly through rotating the nut, fastens the back to the object of bolt and connection, rotates the knob and drives the lead screw and rotate, utilizes support, spacing and the direction of bracing piece, and it rises to drive the two-way telescopic link to the wedge that drives two-way telescopic link both ends rises. The top that utilizes the wedge supports and is spacing the bottom of nut to realize the fixed of bolt and nut position, avoid it to collide and shake and take place not hard up and drop, improve its steadiness to the object fastening.
Description
Technical Field
The utility model relates to a bolt technical field specifically is auto-lock bolt nut subassembly.
Background
The bolt is a mechanical part, a cylindrical threaded fastener matched with a nut, a fastener composed of a head part and a screw (a cylinder with an external thread) needs to be matched with the nut to be used for fastening and connecting two parts with through holes, the connection form is called bolt connection, if the nut is screwed off from the bolt, the two parts can be separated, and therefore the bolt connection belongs to detachable connection.
However, current bolt and nut assembly generally do not all possess the function of auto-lock, and in the use, the object incessantly receives collision and vibrations, leads to the bolt to be connected with the nut and appears becoming flexible and break away from even for the connection between the object is insecure, and the bolt nut assembly who has auto-lock function now is difficult for dismantling after bolt and nut auto-lock, even can't dismantle.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a self-locking bolt nut subassembly possesses auto-lock, quick detachable advantage, has solved the function that current bolt and nut subassembly generally do not all possess the auto-lock, in the use, the object incessantly receives collision and vibrations, leads to bolt and nut to be connected the appearance and becomes flexible or even break away from for the connection between the object is insecure, has the bolt nut subassembly of auto-lock function now, is difficult for dismantling behind bolt and nut auto-lock, can't dismantle the problem even.
The utility model provides a following technical scheme: self-locking bolt nut subassembly, including the nut, the bottom of nut is equipped with the screw thread section, the screw thread cover is equipped with the nut on the screw thread section, and the middle part of screw thread section has seted up the wearing groove, the inside of screw thread section is equipped with and is located backup pad and bottom on wearing groove top and bottom, go up one side movable sleeve between backup pad and the bottom suspension fagging and be equipped with the lead screw, and go up the fixed cover of being equipped with between backup pad and the bottom suspension fagging and be located the bracing piece on one side of the lead screw, the bottom of lead screw extends.
Preferably, the movable sleeve is equipped with two-way telescopic link between lead screw and the bracing piece, the movable sleeve is equipped with the spring on the activity end at two-way telescopic link both ends, and equal fixedly connected with wedge on the activity end at two-way telescopic link both ends.
Preferably, the through groove penetrates through the middle part of the threaded section.
Preferably, the knob is a hexagonal square column which can be matched with the wrench for use, and the knob is movably connected with the top of the threaded section.
Preferably, one end of the spring is fixedly connected with the wedge block, and the other end of the spring is fixedly connected with the fixed end of the bidirectional telescopic rod.
Preferably, the wedge inclined plane direction of wedge is down, and the one end of wedge extends to the outside of wearing the groove, wedge and two-way telescopic link all cup joint with the activity of wearing the groove.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. this auto-lock bolt nut subassembly through rotating the nut, fastens the back to the object of bolt and connection, rotates the knob and drives the lead screw and rotate, utilizes support, spacing and the direction of bracing piece, and it rises to drive the two-way telescopic link to the wedge that drives two-way telescopic link both ends rises. The top that utilizes the wedge supports and is spacing the bottom of nut to realize the fixed of bolt and nut position, avoid it to collide and shake and take place not hard up and drop, improve its steadiness to the object fastening.
2. This self-locking bolt nut subassembly, through both ends telescopic two-way telescopic rod, when the nut from the bolt bottom upwards spin in, nut extrusion wedge, compression spring drives the wedge and compresses to wearing the inslot to make things convenient for the screw in of nut, when needs are dismantled the nut, through pressing the wedge, compress the wedge to wearing the inslot, again downwards screw out the nut can, thereby when realizing this device bolt and nut self-locking function, be convenient for the dismantlement of bolt and nut epilogue.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the structure of the present invention.
In the figure: 1. a nut; 2. a threaded segment; 3. a nut; 4. penetrating a groove; 5. an upper support plate; 6. a lower support plate; 7. a screw rod; 8. a support bar; 9. a knob; 10. a bidirectional telescopic rod; 11. a spring; 12. a wedge block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a self-locking bolt and nut assembly includes a nut 1, a threaded section 2 is provided at the bottom of the nut 1, a nut 3 is sleeved on the threaded section 2, and a through slot 4 is provided at the middle part of the threaded section 2, the length of the through slot 4 of the device can be infinitely close to the length of the threaded section 2 of the bolt, meanwhile, the device drives a wedge block 12 to ascend by rotating a lead screw 7, thereby limiting and supporting the nut 3 screwed into any position, the adaptability is better, the use is more convenient and simple, the through slot 4 penetrates through the middle part of the threaded section 2, a supporting plate 5 and a lower supporting plate 6 are provided at the top and the bottom of the through slot 4 inside the threaded section 2, a lead screw 7 is movably sleeved at one side between the upper supporting plate 5 and the lower supporting plate 6, a supporting rod 8 positioned at one side of the lead screw 7 is fixedly sleeved between the, the lifting of the bidirectional telescopic rod 10 is supported, guided and limited, thereby improving the stability of the bidirectional telescopic rod 10 when lifting, avoiding the situation that the bidirectional telescopic rod 10, the wedge block 12 and the bolt are locked, the bottom of the screw rod 7 extends to the bottom of the thread section 2 and is fixedly sleeved with the knob 9, the knob 9 is a hexagonal square column which can be matched with a wrench for use, the knob 9 is movably connected with the top of the thread section 2, the knob 9 is of a structure similar to a hexagon nut, the knob 9 is conveniently matched with the wrench through the hexagonal square column on the knob 9, so that the wrench can be conveniently used for rotating the knob, the bidirectional telescopic rod 10 is movably sleeved between the screw rod 7 and the support rod 8, the movable ends at two ends of the bidirectional telescopic rod 10 are movably sleeved with springs 11, and through the matching of the springs 11 and the bidirectional telescopic rod 10, on one hand, when the nut 3, and when the nut 3 is far away from the nut, the wedge block 12 is convenient to drive to reset, on the other hand, when the self-locking nut 3 needs to be disassembled, the wedge block 12 is pressed, the spring 11 and the two-way telescopic rod 10 are matched to contract into the through groove 4, so that the nut is convenient to unscrew, the bolt is disassembled after self-locking, one end of the spring 11 is fixedly connected with the wedge block 12, the other end of the spring 11 is fixedly connected with the fixed end of the two-way telescopic rod 10, the movable ends of the two-way telescopic rod 10 are fixedly connected with the wedge block 12, the wedge inclined plane direction of the wedge block 12 faces downwards, one end of the wedge block 12 extends to the outside of the through groove 4, the wedge block 12 and the two-way telescopic rod 10 are movably sleeved with the through groove 4, and by using the wedge block 12 with the downward wedge inclined plane direction, on the one hand, when the nut 3 is screwed, when the wedge inclined plane of nut contact wedge 12, compressible wedge 12 drives it and contracts to wearing in the groove 4, thereby make things convenient for the screw in of nut 3, on the other hand, after utilizing nut 3 to fasten the object, through rotating knob 9, can drive wedge 12 and rise, utilize wedge 12 to extend the top of wearing groove 4 one end to support and spacing the bottom of nut 3, thereby avoid the object when bumping and vibrations, nut 3 takes place not hard up the condition with the bolt and takes place, improve the steadiness that this bolt fastened the object.
The working principle is as follows: firstly, when in use, firstly, the thread section 2 of the bolt is screwed into an object, then the nut 3 is screwed in from the bottom of the thread section 2, in the screwing-in process of the nut 3, when the nut contacts the wedge-shaped block 12, the inclined surface of the wedge-shaped block 12 is extruded by the nut 3, so that the wedge-shaped block 12 compresses the spring 11 and the two-way telescopic rod 10, the wedge-shaped block 12 is driven to shrink into the through groove 4, the nut 3 is continuously screwed in upwards, when the nut 3 passes through the position of the wedge-shaped block 12, the wedge-shaped block 12 automatically resets through the spring 11, then, after the nut 3 is matched with the bolt to fasten the object, the knob 9 is rotated to drive the screw rod 7 to rotate, the two-way telescopic rod 10 is driven to ascend by the support and the support of the support rod 8, so as to drive the wedge-shaped block 12 to ascend, the bottom of the nut 3 is, the wedge block 12 is pressed, the two-way telescopic rod 10 and the spring 11 are matched, the wedge block is compressed into the through groove 4, the nut 3 is screwed out, the knob 9 is rotated reversely, the lead screw 7 is driven to rotate reversely, the two-way telescopic rod 10 is driven to descend to the bottom of the bolt, and the next use is facilitated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Self-locking bolt nut subassembly, including nut (1), its characterized in that: the bottom of nut (1) is equipped with screw thread section (2), the screw thread cover is equipped with nut (3) on screw thread section (2), and threaded section (2) the middle part seted up wear groove (4), the inside of screw thread section (2) is equipped with and is located on wear groove (4) top and bottom backup pad (5) and bottom suspension fagging (6), it is equipped with lead screw (7) to go up one side activity cover between backup pad (5) and bottom suspension fagging (6), and goes up fixed cover between backup pad (5) and bottom suspension fagging (6) and be equipped with bracing piece (8) that are located lead screw (7) one side, the bottom of lead screw (7) extends to the bottom of screw thread section (2) and fixed cover is equipped with knob.
2. The self-locking bolt and nut assembly of claim 1, wherein: the telescopic wire rod is characterized in that a bidirectional telescopic rod (10) is movably sleeved between the screw rod (7) and the supporting rod (8), a spring (11) is movably sleeved on the movable ends of the two ends of the bidirectional telescopic rod (10), and wedge blocks (12) are fixedly connected to the movable ends of the two ends of the bidirectional telescopic rod (10).
3. The self-locking bolt and nut assembly of claim 1, wherein: the through groove (4) penetrates through the middle part of the threaded section (2).
4. The self-locking bolt and nut assembly of claim 1, wherein: the knob (9) is a hexagonal square column which can be matched with a wrench for use, and the knob (9) is movably connected with the top of the threaded section (2).
5. The self-locking bolt and nut assembly of claim 2, wherein: one end of the spring (11) is fixedly connected with the wedge-shaped block (12), and the other end of the spring (11) is fixedly connected with the fixed end of the bidirectional telescopic rod (10).
6. The self-locking bolt and nut assembly of claim 2, wherein: the wedge-shaped inclined plane direction of wedge (12) is down, and the one end of wedge (12) extends to the outside of wearing groove (4), wedge (12) and two-way telescopic link (10) all cup joint with wearing groove (4) activity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921318203.XU CN210769771U (en) | 2019-08-15 | 2019-08-15 | Self-locking bolt and nut assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921318203.XU CN210769771U (en) | 2019-08-15 | 2019-08-15 | Self-locking bolt and nut assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210769771U true CN210769771U (en) | 2020-06-16 |
Family
ID=71050065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921318203.XU Expired - Fee Related CN210769771U (en) | 2019-08-15 | 2019-08-15 | Self-locking bolt and nut assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210769771U (en) |
-
2019
- 2019-08-15 CN CN201921318203.XU patent/CN210769771U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |