CN216833387U - Anti-loose fastening device for base - Google Patents
Anti-loose fastening device for base Download PDFInfo
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- CN216833387U CN216833387U CN202123070539.9U CN202123070539U CN216833387U CN 216833387 U CN216833387 U CN 216833387U CN 202123070539 U CN202123070539 U CN 202123070539U CN 216833387 U CN216833387 U CN 216833387U
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- base
- loose
- fixture block
- fixed fixture
- longitudinal beam
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Abstract
The utility model relates to a base anti-loose fastening device, which comprises a longitudinal beam, a base, a stud, an upper anti-loose fixed fixture block, a lower anti-loose fixed fixture block, a locking nut and a backing plate; the stud passes the upper wall of base and longeron from last to down, the stud has lock nut, backing plate, the upper wall and the locking fixed fixture block down of last locking fixed fixture block, base, longeron outward from last to having in proper order down, and locking fixed fixture block is located the longeron and can't be at the longeron internal rotation down, and the spacing section of lock nut of backing plate is hugged closely with a vertical limit of lock nut, and the spacing section of the last locking fixed fixture block of backing plate is hugged closely with a vertical limit of last locking fixed fixture block. The utility model discloses the locking fastener of base installation is simple, and the function is reliable and with low costs, and it is narrow and small to be applicable to installation space, is in the operating condition of vibrations by fixed part often. The bolt is used on a vehicle to ensure that the bolt cannot be loosened to cause the base to be displaced to cause danger.
Description
Technical Field
The utility model relates to a locking fastener of base.
Background
The base and the chassis of the engineering truck are installed and connected through bolts, and when the engineering truck is used for a long time, the bolts between the base and the chassis are loosened due to the jolt of a road and the vibration of a truck body during the running or working of the truck, so that the base and the chassis are not fixed firmly, and the base and the chassis are displaced relatively, so that accidents are caused. The vehicle-mounted grab is also one of engineering vehicles, and the conventional vehicle-mounted grab base and an automobile chassis are directly installed and connected through bolts, so that a base anti-loosening fastening device is urgently required to ensure that the bolts cannot be loosened to cause the base to be displaced to cause danger.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide a locking fastener of base, ensure that the bolt can not pine take off and lead to the base to shift and take place danger.
The purpose of the utility model is realized like this:
a base anti-loose fastening device comprises a longitudinal beam, a base, a stud, an upper anti-loose fixed clamping block, a lower anti-loose fixed clamping block, a locking nut and a base plate;
the base is located longeron top and both laminating and arranges, stud is from last to passing the upper wall of base and longeron down, stud is outer from last to having lock nut, backing plate, the upper wall and the lower locking fixed fixture block of last locking fixed fixture block, base, longeron down in proper order, and lower locking fixed fixture block is located the longeron and can't be at the longeron internal rotation, the backing plate includes the backing plate main part section that the level was arranged, the one end of backing plate main part section is provided with the spacing section of the lock nut of upwards buckling, the other end of backing plate main part section is provided with the spacing section of the last locking fixture block of buckling downwards, the spacing section of lock nut is hugged closely with a vertical limit of lock nut, go up the spacing section of locking fixed fixture block and hug closely with a vertical limit of last locking fixed fixture block.
Preferably, the locking nut has at least one vertical edge, and the upper anti-loose fixing fixture block has at least one vertical edge.
Preferably, the locking nut is a hexagonal thick nut.
Preferably, the upper anti-loose fixed clamping block is of a square structure.
Preferably, the height of the locking nut limiting section is smaller than the height of one vertical edge of the locking nut, and the height of the upper anti-loosening fixing clamping block limiting section is smaller than the height of one vertical edge of the upper anti-loosening fixing clamping block.
Preferably, the lower anti-loosening fixing clamping block is of a square structure, and the cross section of the lower anti-loosening fixing clamping block is matched with the transverse shape of the square tube structure of the longitudinal beam.
Preferably, the lock nut limiting section and the upper anti-loose fixing fixture block limiting section are respectively positioned at one end, which is relatively far away from the base plate main body section.
Preferably, the longitudinal beam is of a square tube structure.
Compared with the prior art, the beneficial effects of the utility model are that:
the lower anti-loosening fixing clamping block of the utility model is embedded into the longitudinal beam, so that the lower anti-loosening fixing clamping block can not rotate or slide, and the thread of the stud bolt can not loosen; one end of the base plate is bent through the clamping tool and tightly attached to the locking nut, and the other end of the base plate is tightly attached to the anti-loosening fixing clamping block, so that the anti-loosening fixing clamping block and the locking nut cannot rotate, and the danger caused by the failure of the anti-loosening fastening device of the base is prevented.
The utility model discloses the locking fastener of base installation is simple, and the function is reliable and with low costs, and it is narrow and small to be applicable to installation space, is in the operating condition of vibrations by fixed part often. The bolt is used on a vehicle to ensure that the bolt cannot be loosened to cause the base to be displaced to cause danger.
Drawings
Fig. 1 is a schematic view of a base anti-loose fastening device.
Fig. 2 is another view of fig. 1.
Fig. 3 is a schematic view of the installed tie plate.
Wherein:
the anti-loosening device comprises a longitudinal beam 1, a base 2, a stud bolt 3, an upper anti-loosening fixing clamping block 4, a lower anti-loosening fixing clamping block 5, a locking nut 6, a base plate 7, a base plate main body section 701, a locking nut limiting section 702 and an upper anti-loosening fixing clamping block limiting section 703.
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 efforts all belong to the protection scope of the present invention.
Referring to the attached drawings, the utility model relates to a base anti-loose fastening device, which comprises a longitudinal beam 1, a base 2, a stud bolt 3, an upper anti-loose fixed fixture block 4, a lower anti-loose fixed fixture block 5, a locking nut 6 and a backing plate 7; the locking nut 6 is provided with at least one vertical edge, and the upper anti-loosening fixed clamping block 4 is provided with at least one vertical edge.
The longitudinal beam 1 belongs to one part of a vehicle chassis, the longitudinal beam 1 is of a square tube structure, the base 2 is positioned above the longitudinal beam 1, the longitudinal beam and the base are arranged in a laminating way, the stud bolt 3 penetrates through the upper walls of the base 2 and the longitudinal beam 1 from top to bottom, the stud bolt 3 is provided with a locking nut 6, a backing plate 7, an upper anti-loosening fixing fixture block 4, a base 2, the upper wall of the longitudinal beam 1 and a lower anti-loosening fixing fixture block 5 from top to bottom in sequence, the lower anti-loosening fixing fixture block 5 is of a square structure, the cross section of the lower anti-loosening fixing fixture block 5 is matched with the transverse shape of the square tube structure of the longitudinal beam 1, so that the lower anti-loosening fixing fixture block 5 cannot rotate in the square tube structure of the longitudinal beam 1, the upper anti-loosening fixing fixture block 4 is also of a square structure, the backing plate 7 is a Z-shaped plate formed by bending one square plate, and the backing plate 7 comprises a backing plate main body section 701 arranged horizontally, one end of the base plate main body section 701 is provided with a locking nut limiting section 702 which is bent upwards, the other end of the base plate main body section 701 is provided with an upper anti-loosening fixing fixture block limiting section 703 which is bent downwards, the locking nut limiting section 702 and the upper anti-loosening fixing fixture block limiting section 703 are respectively located at one end, far away from the base plate main body section 701, of the locking nut limiting section 702, one vertical edge of the locking nut 6 is tightly attached, and the upper anti-loosening fixing fixture block limiting section 703 is tightly attached to one vertical edge of the upper anti-loosening fixing fixture block 4. Preferably, the lock nut 6 is a hexagonal thick nut.
The height of the locking nut limiting section 702 is smaller than the height of a vertical edge of the locking nut 6, and the height of the upper anti-loose fixed fixture block limiting section 703 is smaller than the height of a vertical edge of the upper anti-loose fixed fixture block 4.
When in use, the lower anti-loose fixed fixture block 5 is arranged in the square tube structure of the longitudinal beam 1, then the upper anti-loose fixed fixture block 4 is arranged on the top of the base 2, then the stud 3 is screwed in from top to bottom, so that the lower end of the stud 3 is screwed in the lower anti-loose fixed fixture block 5, the main body section of the stud 3 is positioned in the base 2, the upper section of the stud 3 is matched with the upper anti-loose fixed fixture block, then the backing plate 7 is sleeved on the upper section of the stud bolt 3, then the locknut 6 is screwed in the top of the stud bolt 3 and the locknut 6 is screwed, finally the two ends of the backing plate 7 are bent to form a locknut limiting section 702 and an upper anti-loose fixed fixture block limiting section 703, and the lock nut limiting section 702 is tightly attached to one vertical edge of the lock nut 6, the upper anti-loose fixed fixture block limiting section 703 is tightly attached to one vertical edge of the upper anti-loose fixed fixture block 4. Thereby accomplish the installation of the locking fastener of base for stud can not loosen and take off, guarantees longeron 1 and base 2 and can not take place the aversion, eliminates dangerous hidden danger.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (8)
1. A base anti-loose fastening device is characterized by comprising a longitudinal beam (1), a base (2), a stud bolt (3), an upper anti-loose fixed clamping block (4), a lower anti-loose fixed clamping block (5), a locking nut (6) and a base plate (7);
the base (2) is positioned above the longitudinal beam (1) and the base and the longitudinal beam are arranged in a laminating manner, the stud (3) penetrates through the base (2) and the upper wall of the longitudinal beam (1) from top to bottom, the stud (3) is externally provided with a locking nut (6), a backing plate (7), an upper anti-loosening fixed fixture block (4), the base (2), the upper wall of the longitudinal beam (1) and a lower anti-loosening fixed fixture block (5) from top to bottom in sequence, the lower anti-loosening fixed fixture block (5) is positioned in the longitudinal beam (1) and cannot rotate in the longitudinal beam (1), the backing plate (7) comprises a backing plate main body section (701) which is horizontally arranged, one end of the backing plate main body section (701) is provided with an upward-bending locking nut limiting section (702), the other end of the backing plate main body section (701) is provided with a downward-bending upper anti-loosening fixture block limiting section (703), and the locking nut limiting section (702) is tightly attached to one vertical edge of the locking nut (6), the upper anti-loose fixed fixture block limiting section (703) is tightly attached to one vertical edge of the upper anti-loose fixed fixture block (4).
2. The anti-loose base fastening device as claimed in claim 1, wherein the locking nut (6) has at least one vertical edge, and the upper anti-loose fixture block (4) has at least one vertical edge.
3. The anti-loose base fastening device as claimed in claim 1, wherein the locking nut (6) is a hexagonal thick nut.
4. The anti-loose fastening device for base seat as claimed in claim 1, wherein said upper anti-loose fixture block (4) is a square structure.
5. The anti-loose base fastening device as claimed in claim 1, wherein the height of the locking nut limiting section (702) is less than the height of a vertical edge of the locking nut (6), and the height of the upper anti-loose fixture block limiting section (703) is less than the height of a vertical edge of the upper anti-loose fixture block (4).
6. The anti-loose base fastening device as claimed in claim 1, wherein the lower anti-loose fixed fixture block (5) is of a square structure, and the cross section of the lower anti-loose fixed fixture block (5) is matched with the transverse shape of the square tube structure of the longitudinal beam (1).
7. The anti-loose base fastening device as claimed in claim 1, wherein the lock nut limiting segment (702) and the upper anti-loose fixture limiting segment (703) are respectively located at the end of the main body segment (701) of the base plate that is relatively far away.
8. The anti-loose base fastening device as claimed in claim 1, wherein the longitudinal beam is a square tube structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123070539.9U CN216833387U (en) | 2021-12-08 | 2021-12-08 | Anti-loose fastening device for base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123070539.9U CN216833387U (en) | 2021-12-08 | 2021-12-08 | Anti-loose fastening device for base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216833387U true CN216833387U (en) | 2022-06-28 |
Family
ID=82106624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123070539.9U Active CN216833387U (en) | 2021-12-08 | 2021-12-08 | Anti-loose fastening device for base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216833387U (en) |
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2021
- 2021-12-08 CN CN202123070539.9U patent/CN216833387U/en active Active
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