CN113217523A - Locking bolt that moves with early warning function of laxing - Google Patents
Locking bolt that moves with early warning function of laxing Download PDFInfo
- Publication number
- CN113217523A CN113217523A CN202110461163.XA CN202110461163A CN113217523A CN 113217523 A CN113217523 A CN 113217523A CN 202110461163 A CN202110461163 A CN 202110461163A CN 113217523 A CN113217523 A CN 113217523A
- Authority
- CN
- China
- Prior art keywords
- block
- nut
- bottom end
- movable plates
- top plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001174 ascending effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 230000002265 prevention Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
- F16B39/26—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object with spring washers fastened to the nut or bolt-head
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention discloses an anti-loosening bolt with a loosening early warning function, and relates to the field of automobile accessories.
Description
Technical Field
The invention relates to the technical field of fasteners, in particular to an anti-loosening bolt with a loosening early warning function.
Background
The bolt is a mechanical part and is a cylindrical threaded fastener matched with a nut. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is screwed off from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection, the existing bolt can be loosened due to vibration, movement and other logistics movement in a fastening state, even has the risk of falling off, and can be found only by careful observation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an anti-loosening bolt with a loosening early warning function, compared with the prior art, the anti-loosening bolt has the advantages that in order to obviously prompt when the bolt is loosened, a cavity with an upward opening is arranged on a nut, an early warning device is arranged in the nut cavity, in order to enable two movable plates to slide towards non-opposite sides more easily, the opposite sides of the two movable plates close to the bottom end and the top end of a top block close to the outer wall are arranged at 90-degree oblique angles, in order to prevent loosening, the bottom block further comprises a gasket, protrusions are uniformly distributed at the bottom end of the gasket, and in order to achieve a better anti-loosening effect, a screw comprises a fastening rod, a groove and a second slide way.
The invention is realized by the following technical scheme: the utility model provides a locking bolt that moves with early warning function of laxing, its structure includes the nut, nut bottom fixedly connected with screw rod, the nut is provided with the ascending cavity of opening, be provided with early warning device in the nut cavity, when the bolt is not hard up early warning device can make corresponding suggestion.
Preferably, the early warning device comprises a top cover, two movable plates, a top plate, a first spring and a second spring, the top cover is detachably connected to the top end of the nut, two sides of the bottom end of the top cover, which are close to the cavity, are provided with limit blocks, the other two sides of the bottom end of the top cover, which are close to the cavity, are provided with first slide ways, the top end of the top cover is provided with a hole, the two movable plates are slidably connected with the first slide ways, the first spring is connected between one sides of the two movable plates, which are not opposite to each other, and two ends of the first slide ways, the top end of the top plate is arranged at the bottom of the cavity of the nut, the top of the top plate, which is close to two ends, is connected with the second spring between the top cover, the top end of the top plate is provided with a top block, the bottom end of the top plate, which is close to two ends, is provided with a bottom block, the top plate, the top block and the bottom block are of the hole is arranged in an alignment manner, the both ends that the nut cavity is close to the inner wall bottom all are equipped with logical groove, it corresponds the setting with the bottom block outer wall to lead to the inslot wall.
Preferably, both of said movable plates are red.
Preferably, the top piece is green.
Preferably, two the relative one side of fly leaf all is equipped with the recess, two the relative one side that the fly leaf is close to the top sets up to be arc, the top that the kicking block is close to the outer wall is the cone.
Preferably, the distance from the top end of the top block to the top end of the top plate is the same as the distance from the bottom end of the bottom block to the bottom end of the top plate, and the distance from the bottom end of the first slide way to the bottom end of the screw cap is the same as the distance from the bottom end of the top plate to the bottom end of the bottom block.
Preferably, the bolt warning includes the following states:
initial state: the top cover is fixed at the top end of the nut, the top plate slides towards the bottom end of the nut cavity under the pressure of a first spring, the bottom block penetrates through the through groove edge and extends to the bottom end of the nut, the two movable plates are under the pressure of a second spring, one opposite sides of the two movable plates are attached, and only the two movable plates can be observed through the holes;
a fastening state: the bottom block slides to the top cover by the fixed object section reverse thrust extending groove, the first spring is compressed by the top plate force, the bottom end of the screw cap is attached to the fixed object section, the bottom end of the bottom block is attached to the fixed object section, the two movable plates are respectively moved to the two limiting blocks along the first slide way by the top block force, the second spring is compressed by the movable plates, the top end of the top block is embedded into the hole, and the top block can only be observed through the hole;
early warning state: the bolt and the fixed object are loosened, the bottom end of the nut is separated from the cross section of the fixed object, the top plate slides to the bottom end of the nut cavity along the inner wall of the nut cavity under the action of first spring force, the bottom block slides to the cross section of the fixed object through the inner wall of the through groove, the top block slides to the bottom end of the nut along with the top plate (33), the two movable plates slide under the action of second spring pressure, and the two movable plates and the top block can be observed through the through hole.
Preferably, the bottom block further comprises a gasket, the gasket is detachably connected with the bottom end of the bottom block, and the gasket is made of rubber.
Preferably, the bottom end of the gasket is uniformly distributed with bulges.
Preferably, the screw rod bottom is provided with the recess, it is provided with the tighrening rod to slide in the recess, the tighrening rod top is provided with the extension, the extension middle part can outwards buckle, the bolt is provided with the second slide that runs through screw rod both ends and recess bottom.
Drawings
FIG. 1 is a schematic structural view of a loosening prevention bolt with a loosening warning function;
FIG. 2 is a top view of a loosening prevention bolt with a loosening warning function;
FIG. 3 is an exploded view of a loosening prevention bolt with a loosening warning function;
fig. 4 is a sectional view of a loosening prevention bolt having a loosening warning function;
FIG. 5 is a cross-sectional view of the bolt of FIG. 4 in a tightened state;
fig. 6 is a schematic structural view of the gasket.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
The first embodiment is as follows:
as shown in fig. 1-2, the present invention discloses a loosening prevention bolt with a loosening warning function, comprising: nut 1, 1 bottom fixedly connected with screw rod 2 of nut, nut 1 is provided with the ascending cavity of opening, be provided with early warning device 3 in the 1 cavity of nut, when the bolt is not hard up corresponding suggestion can be made to early warning device 3.
Further, as shown in fig. 2 to 5, the early warning device 3 includes a top cover 31, two movable plates 32, a top plate 33, a first spring 341 and a second spring 342, the number of the movable plates 32 is two, the top cover 31 is detachably connected to the top end of the nut 1, specifically, detachably connected by a buckle assembly, two sides of the top end of the nut near the opening of the cavity are both provided with a buckle portion, the top cover 31 is fixed to the top end of the nut by pressing, two sides of the bottom end of the top cover 31 near the cavity are both provided with a stopper 312, the other two sides of the bottom end of the top cover 31 near the cavity are both provided with a first slideway 313, the top end of the top cover 31 is provided with a hole 314, the two movable plates 32 are slidably connected to the first slideway 313, the first spring 341 is connected between the side of the two movable plates 32 not opposite to each other and the two ends of the first slideway 313, the top end of the top plate 33 is disposed at the bottom of the cavity of the nut 1, a second spring 342 is connected between the top of the top plate 33 close to the two ends and the top cover 31, a top block 331 is arranged at the top end of the top plate 33, bottom blocks 332 are arranged at the bottom ends of the top plate 33 close to the two ends, the top plate 33, the top block 331 and the bottom blocks 332 are of an integrated structure, the inner wall of the hole 314 is aligned with the outer wall of the top block 331, through grooves are arranged at the two ends of the cavity of the nut 1 close to the bottom of the inner wall, and the inner walls of the through grooves are arranged corresponding to the outer wall of the bottom block 332;
based on the above structure, as shown in fig. 3-4, the bolt early warning includes the following states:
initial state: the top cover 31 is fixed at the top end of the nut 1, the top plate 33 slides towards the bottom end of the cavity of the nut 1 under the pressure of the first spring 341, the bottom block 332 passes through the through groove edge and extends to the bottom end of the nut 1, the two movable plates 32 are under the pressure of the second spring 342, one opposite sides of the two movable plates are attached, and only the two movable plates can be observed through the hole 314;
a fastening state: the bottom block 332 slides towards the top cover 31 by the fixed object section reverse thrust extending groove, the first spring 341 is compressed by the force of the top plate 33, the bottom end of the nut 1 is attached to the fixed object section, the bottom end of the bottom block 332 is attached to the fixed object section, the two movable plates 32 move to the two limit blocks 312 along the first slide way by the force of the top block 332, the second spring 342 is compressed by the force of the movable plates 32, the top end of the top block 331 is embedded into the hole 314, and the top block 332 can only be observed through the hole 314;
early warning state: the bolt and the fixed object are loosened, the bottom end of the nut 1 is separated from the cross section of the fixed object, the top plate 33 slides to the bottom end of the cavity of the nut 1 along the inner wall of the cavity of the nut 1 under the force of the first spring 341, the bottom block 332 slides to the cross section of the fixed object through the inner wall of the through groove, the top block 332 slides to the bottom end of the nut 1 along with the top plate 33, the two movable plates 32 slide under the pressure of the second spring 342, and the two movable plates and the top block 33 can be observed through the hole 314.
Further, for better identifying the state of the warning device 3, the two movable plates 32 are red.
Further, for better identification of the state of the warning device 3, the top block 331 is green.
Further, as shown in fig. 3-4, in order to separate the opposite sides of the two movable plates 32 after being forced by the top block 331, grooves are formed in the opposite sides of the two movable plates 32, the opposite sides of the two movable plates 32 close to the top end are set to be arc-shaped, and the top end of the top block 331 close to the outer wall is a cone, so that the vertex of the cone is more easily pushed between the opposite sides of the two movable plates 32 close to the top end, and the arc outer wall more easily slides along the outer wall of the cone.
Further, as shown in fig. 5, the distance from the top end of the top block 331 to the top end of the top plate 33 is the same as the distance from the bottom end of the bottom block 332 to the bottom end of the top plate 33, the distance from the bottom end of the first slide rail 313 to the bottom end of the nut 1 is the same as the distance from the bottom end of the top plate 33 to the bottom end of the bottom block 332, when the bolt is completely fastened with the fixed object, the outer wall of the top block 331 is attached to the inner wall of the hole 314, and the bottom end of the bottom block 332 is aligned with the bottom end of the nut 1 in parallel, so that the cavity space of the nut 1 is reasonably utilized.
Example two:
as shown in fig. 3-5, based on the first embodiment, the bottom block 332 further includes a gasket 4, the gasket 4 is detachably connected to the bottom end of the bottom block 332, and the gasket 4 is made of rubber.
Further, as shown in fig. 6, the bottom end of the gasket 4 is uniformly distributed with protrusions.
Based on above-mentioned structure, as shown in fig. 5 and 6, when the bolt is not hard up, roof 33 receives first spring 341 resilience power downstream, and saucer 4 receives the resilience power influence and compresses, makes the laminating of saucer 4 bottom and fixture inseparabler, and the arch of 4 bottom evenly distributed of saucer has increased the bolt and has become flexible rotatory time, and saucer 4 and fixture cross-sectional frictional force to the effect of locking moving has been played.
Example three:
as shown in fig. 4 and 5, based on the basis of the second embodiment, the bottom end of the screw rod 2 is provided with the groove 22, the fastening rod 21 is slidably arranged in the groove 22, the top end of the fastening rod 21 is provided with the extending portion, the middle portion of the extending portion can be bent outwards, the bolt is provided with the second slide 23 penetrating through the two ends of the screw rod 2 and the bottom end of the groove 22, when the bolt is fastened with a fixture, the fastening rod 21 is influenced by the reaction force of the bottom end of the threaded hole to slide upwards along the inner wall of the groove, the extending portion of the fastening rod 21 is folded along the outer wall of the outer bolt along the second slide 23 due to the sliding of the fastening rod 21, when the bolt is completely fastened with the fixture, the folding portion of the extending portion of the fastening rod 21 is influenced by the stress and is fastened with the outer wall of the threaded hole, and the folding portion of the extending portion of the fastening rod 21 exerts pressure on the inner wall of the threaded hole, so that the anti-loosening effect is better.
In summary, compared with the prior art, in order to clearly indicate when a bolt loosens, the nut 1 is provided with a cavity with an upward opening, the cavity of the nut 1 is internally provided with the early warning device 3, in order to separate one opposite side of the two movable plates 32 after being forced by the top block 331, the opposite side of the two movable plates 32 close to the top end is arranged in a circular arc shape, the top end of the top block 331 close to the outer wall is a cone, in order to prevent loosening, the bottom block 332 further comprises a gasket 4, the bottom end of the gasket 4 is uniformly distributed with protrusions, and in order to achieve a better anti-loosening effect, the screw 2 comprises a fastening rod 21, a groove 22 and a second slideway 23.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … … …" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. The utility model provides a locking bolt that moves with lax early warning function which characterized in that includes: nut (1), nut (1) bottom fixedly connected with screw rod (2), nut (1) is provided with the ascending cavity of opening, be provided with early warning device (3) in nut (1) cavity, when the bolt is not hard up corresponding suggestion can be made in early warning device (3).
2. The anti-loosening bolt with the loosening early warning function according to claim 1, wherein the early warning device (3) comprises two movable plates (32), a top plate (33), a first spring (341) and a second spring (342), the top plate (31) is detachably connected to the top end of the nut (1), two limiting blocks (312) are arranged on two sides of the bottom end of the top plate (31) close to the cavity, first slide ways (313) are arranged on the other two sides of the bottom end of the top plate (31) close to the cavity, a hole (314) is arranged at the top end of the top plate (31), the two movable plates (32) are slidably connected with the first slide ways (313), the first spring (341) is connected between one side of the two movable plates (32) which is not opposite to the two ends of the first slide ways (313), and the top end of the top plate (33) is arranged at the bottom of the cavity of the nut (1), all be connected with second spring (342) between roof (33) are close to the top at both ends and top cap (31), roof (33) top is provided with kicking block (331), the bottom that roof (33) are close to both ends all is provided with bottom block (332), roof (33), kicking block (331) and bottom block (332) formula structure as an organic whole, hole (314) inner wall aligns the setting with kicking block (331) outer wall, nut (1) cavity is close to the both ends of inner wall bottom and all is equipped with logical groove, it corresponds the setting with bottom block (332) outer wall to lead to the inslot inner wall.
3. The anti-loosening bolt with a slack warning function according to claim 2, wherein the two movable plates (32) are red.
4. The anti-loosening bolt with the slack warning function as claimed in claim 3, wherein the top block (331) is green.
5. The anti-loosening bolt with the looseness early warning function according to claim 4, wherein a groove is formed in each of opposite sides of the two movable plates (32), the opposite sides, close to the top ends, of the two movable plates (32) are arranged to be circular arc-shaped, and the top end, close to the outer wall, of the top block (331) is conical.
6. The anti-loosening bolt with the slack warning function according to claim 5, wherein the distance from the top end of the top block (331) to the top end of the top plate (33) is the same as the distance from the bottom end of the bottom block (332) to the bottom end of the top plate (33), and the distance from the bottom end of the first slideway (313) to the bottom end of the nut (1) is the same as the distance from the bottom end of the top plate (33) to the bottom end of the bottom block (332).
7. The anti-loosening bolt with a looseness warning function according to claim 6, wherein the warning of the bolt includes the following states:
initial state: the top cover (31) is fixed at the top end of the nut (1), the top plate (33) slides towards the bottom end of the cavity of the nut (1) under the pressure of the first spring (341), the bottom block (332) penetrates through the through groove edge to extend to the bottom end of the nut (1), the two movable plates (32) are under the pressure of the second spring (342), one opposite sides of the two movable plates are attached, and only the two movable plates can be observed through the hole (314);
a fastening state: the bottom block (332) slides towards the top cover (31) by the reverse thrust extending groove of the section of the fixed object, the first spring (341) is compressed by the force of the top plate (33), the bottom end of the screw cap (1) is attached to the section of the fixed object, the bottom end of the bottom block (332) is attached to the section of the fixed object, the two movable plates (32) are respectively moved towards the two limit blocks (312) along the first slide way by the force of the top block (332), the second spring (342) is compressed by the force of the movable plates (32), the top end of the top block (331) is embedded into the hole (314), and the top block (332) can only be observed through the hole (314);
early warning state: the bolt and a fixed object are loosened, the bottom end of the nut (1) is separated from the cross section of the fixed object, the top plate (33) slides to the bottom end of the cavity of the nut (1) along the inner wall of the cavity of the nut (1) under the force of a first spring (341), the bottom block (332) slides to the cross section of the fixed object through the inner wall of the through groove, the top block (332) slides to the bottom end of the nut (1) along with the top plate (33), the two movable plates (32) slide under the pressure of a second spring (342), and the two movable plates and the top block (33) can be observed through the hole (314).
8. The anti-loosening bolt with the looseness early warning function according to any one of claims 1 to 7, wherein the bottom block (332) further comprises a gasket (4), the gasket (4) is detachably connected with the bottom end of the bottom block (332), and the gasket (4) is made of rubber.
9. The anti-loosening bolt with the looseness early warning function according to claim 8, wherein protrusions are uniformly distributed at the bottom end of the gasket (4).
10. The anti-loosening bolt with the looseness early warning function according to claim 9, wherein a groove (22) is formed in the bottom end of the screw rod (2), a fastening rod (21) is slidably arranged in the groove (22), an extending portion is arranged at the top end of the fastening rod (21), the middle portion of the extending portion can be bent outwards, and the bolt is provided with a second slide way (23) penetrating through two ends of the screw rod (2) and the bottom end of the groove (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110461163.XA CN113217523A (en) | 2021-04-27 | 2021-04-27 | Locking bolt that moves with early warning function of laxing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110461163.XA CN113217523A (en) | 2021-04-27 | 2021-04-27 | Locking bolt that moves with early warning function of laxing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113217523A true CN113217523A (en) | 2021-08-06 |
Family
ID=77089245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110461163.XA Pending CN113217523A (en) | 2021-04-27 | 2021-04-27 | Locking bolt that moves with early warning function of laxing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113217523A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607864A (en) * | 2022-03-29 | 2022-06-10 | 江苏宏强电气集团有限公司 | High-stability anti-seismic support hanger |
| CN114635906A (en) * | 2022-03-28 | 2022-06-17 | 中国航天建设集团有限公司 | Tower crane nut with tightness warning function |
| CN114776687A (en) * | 2022-04-22 | 2022-07-22 | 江苏永昊高强度螺栓有限公司 | Locking bolt nut structure that moves |
| CN115370124A (en) * | 2022-08-18 | 2022-11-22 | 栋梁铝业有限公司 | Make things convenient for loose wheel of dismouting to detain |
-
2021
- 2021-04-27 CN CN202110461163.XA patent/CN113217523A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635906A (en) * | 2022-03-28 | 2022-06-17 | 中国航天建设集团有限公司 | Tower crane nut with tightness warning function |
| CN114635906B (en) * | 2022-03-28 | 2023-06-09 | 中国航天建设集团有限公司 | Tower crane nut with tightness warning function |
| CN114607864A (en) * | 2022-03-29 | 2022-06-10 | 江苏宏强电气集团有限公司 | High-stability anti-seismic support hanger |
| CN114607864B (en) * | 2022-03-29 | 2023-11-21 | 江苏宏强电气集团有限公司 | High-stability anti-seismic support and hanger |
| CN114776687A (en) * | 2022-04-22 | 2022-07-22 | 江苏永昊高强度螺栓有限公司 | Locking bolt nut structure that moves |
| CN114776687B (en) * | 2022-04-22 | 2024-04-16 | 江苏永昊高强度螺栓有限公司 | Anti-loosening bolt and nut structure |
| CN115370124A (en) * | 2022-08-18 | 2022-11-22 | 栋梁铝业有限公司 | Make things convenient for loose wheel of dismouting to detain |
| CN115370124B (en) * | 2022-08-18 | 2024-03-12 | 栋梁铝业有限公司 | Movable wheel buckle convenient to disassemble and assemble |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113217523A (en) | Locking bolt that moves with early warning function of laxing | |
| EP1991449B1 (en) | Actuator for an active hood | |
| CN100430614C (en) | Low contour-profile fastening screw | |
| US8540471B2 (en) | Quick attaching and detaching nut | |
| DE102011106696A1 (en) | Screwing element for attaching a cable to a counterpart | |
| EP2228504A3 (en) | Fastening element | |
| EP2147813A3 (en) | Assembly of a fixed window to a bodywork flange and attachment clip for mounting the fixed window | |
| WO2012000688A9 (en) | Vehicle interior trim part, in particular inside door lining | |
| CN214837739U (en) | Locking bolt that moves with early warning function of laxing | |
| WO2009005512A1 (en) | Quick attaching and detaching nut | |
| EP1632681A3 (en) | Composite part | |
| CN110332200B (en) | Universal anti-loose bolt and assembling and mounting method thereof | |
| CN111536136A (en) | Anti-loosening fastening assembly | |
| DE20021221U1 (en) | Fastening device for component to be fastened to a plate | |
| EP2264329A1 (en) | Pressure cylinder for an actuation device of a motor vehicle with an adjustable piston | |
| CN208225440U (en) | Picture pressing device | |
| EP1666753B1 (en) | Hydraulic cylinder, especially throw-out cylinder for hydraulic clutch actuation in vehicles | |
| CN1402823A (en) | Linear spring-loaded actuator for valve | |
| CN206988271U (en) | A kind of Anti-off bolt | |
| DE102009016284A1 (en) | Fastening arrangement for fastening slave cylinder housing of motor vehicle, has screw with threaded pin projected through socket, and flange exhibiting extension, which rises in direction of screw axis of screw from surface of flange | |
| EP2112383A3 (en) | Fastening element | |
| CN209469700U (en) | A kind of screw thread locking structure | |
| CN110873114B (en) | Sliding buckle type locknut | |
| CN109611435B (en) | Nut | |
| DE102014104597A1 (en) | fastener |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |