CN208417206U - A kind of steel alloy anti-loose fastener - Google Patents
A kind of steel alloy anti-loose fastener Download PDFInfo
- Publication number
- CN208417206U CN208417206U CN201820839188.2U CN201820839188U CN208417206U CN 208417206 U CN208417206 U CN 208417206U CN 201820839188 U CN201820839188 U CN 201820839188U CN 208417206 U CN208417206 U CN 208417206U
- Authority
- CN
- China
- Prior art keywords
- wall
- cushion block
- screw rod
- locking
- locking nut
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of steel alloy anti-loose fasteners of technical field of fastening, including screw rod, the rear and front end outer wall of the screw rod offers symmetrical locking slot, the outer wall of the screw rod is respectively arranged with locking nut and cushion block, spring is connected at the top of the latch segment, the right side wall of the cushion block is provided with anti-slop serrations, the utility model is connect by anti-slop serrations with workpiece, improve the anti-skidding rotating effect of cushion block, the fixed block to match with locking slot is provided in cushion block inner wall, pass through the mutual cooperation of fixed block and locking slot, and then effectively avoid cushion block rotation that anti-slop serrations is caused to cause to wear to contactant, by the way that sliding slot is arranged on locking nut, in sliding slot inner cavity, latch segment and spring are set, latch segment is headed into locking slot and is locked by the compression and reset of spring, effectively avoiding shaking larger causes to fasten Part loosens, safety accident caused by causing dockingundocking and being detached from because of fastener loosening.
Description
Technical field
The utility model relates to technical field, specially a kind of steel alloy anti-loose fastener.
Background technique
Fastener is to be fastenedly connected with and apply extremely wide a kind of machine components.In various machinery, equipment, vehicle
, ship, railway, bridge, building, structure, tool, instrument, instrument and articles etc. above, it can be seen that miscellaneous tight
Firmware, a kind of common machine components of alloyed steel fastener are used by locking nut and screw rod a kind of fastener dimerous
In being fastenedly connected two parts for having through-hole, it is widely used in machinery field, existing alloyed steel fastener is being used for
When on mechanical equipment, causes fastener to loosen since mechanical equipment vibration is larger, cause connection to disengage machine failure, or even cause
Safety accident, thus it is proposed that a kind of steel alloy anti-loose fastener.
Utility model content
The purpose of this utility model is to provide a kind of steel alloy anti-loose fasteners, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of steel alloy anti-loose fastener, including spiral shell
Bar, is connected with bolt head on the left of the screw rod, and the outside of the screw rod is provided with external screw thread, outside the rear and front end of the screw rod
Wall offers symmetrical locking slot, and the outer wall of the screw rod is respectively arranged with locking nut and cushion block, the locking nut
Center at offer threaded hole, and the inner wall of threaded hole is provided with the internal screw thread to match with external screw thread, the locking nut
On offer sliding slot, and the inner cavity of sliding slot slidably connects locking device, and the locking device includes the locking being connected with sliding slot
Block is connected with spring at the top of the latch segment, and the other end of spring is connect with sliding slot inner cavity top, and the cushion block is set to
The left side of locking nut, the right side wall of the cushion block are provided with anti-slop serrations, and outer wall is socketed with adjustable spring on the left of the screw rod, institute
The left side for stating adjustable spring is connect with bolt head left side wall, and the right side wall of the other end of adjustable spring and cushion block connects.
Preferably, the two sides inner wall of the sliding slot symmetrically offers locating slot, and the inner wall of locating slot and latch segment two sides
Outer wall size is identical.
Preferably, mounting hole, internal diameter and the screw rod outer wall size phase of the mounting hole are offered at the center of the cushion block
Together, the inner wall of the hole installing is symmetrically arranged with fixed block, and the outer wall of fixed block and the inner wall of locking slot match.
Preferably, the locking nut is regular hexagon, and locking nut is provided with convex block close to the side of cushion block.
Preferably, outer wall is evenly distributed with anti-slop serrations on the left of the cushion block, and anti-slop serrations are right angled triangle.
Preferably, outer wall offers circular groove on the left of the bolt head, and outside the inner wall and adjustable spring of circular groove
Wall size is identical.
Compared with prior art, the utility model has the beneficial effects that the utility model on fastening screw by installing additional
Adjustable spring connects cushion block by adjustable spring, and cushion block is connect by anti-slop serrations with contactant, improves the anti-skidding rotation effect of cushion block
Fruit is provided with the fixed block to match with locking slot in cushion block inner wall, passes through the mutual cooperation of fixed block and locking slot, Jin Eryou
Effect avoids cushion block rotation that anti-slop serrations is caused to cause to wear to contactant, the effective fixed effect for improving cushion block, by locking
Sliding slot is set on tight nut, and latch segment and spring are set in sliding slot inner cavity, by the compression of spring and is resetted latch segment top
Enter in locking slot and locked, effectively avoid shaking it is larger cause fastener to loosen, cause dockingundocking and because of fastener
Loosen safety accident caused by being detached from.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model lock nut structure diagram；
Fig. 3 is the utility model cushion block structure schematic diagram.
In figure: 1 screw rod, 2 bolt heads, 3 external screw threads, 4 locking slots, 5 locking nuts, 6 adjustable springs, 7 cushion blocks, 71 installations
Hole, 8 locking devices, 81 latch segments, 82 springs, 9 anti-slop serrations, 10 bolts hole, 11 sliding slots.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of steel alloy anti-loose fastener, including screw rod
1, the left side of screw rod 1 is connected with bolt head 2, and the outside of screw rod 1 is provided with external screw thread 3, and the rear and front end outer wall of screw rod 1 opens up
There is symmetrical locking slot 4, the outer wall of screw rod 1 is respectively arranged with locking nut 5 and cushion block 7, opens up at the center of locking nut 5
There is threaded hole 10, and the inner wall of threaded hole 10 is provided with the internal screw thread to match with external screw thread 3, offers cunning on locking nut 5
Slot 11, and 11 inner cavity of sliding slot slidably connects locking device 8, locking device 8 includes the latch segment 81 being connected with sliding slot 11, locking
The top of block 81 is connected with spring 82, and the other end of spring 82 is connect with 11 inner cavity top of sliding slot, effectively avoid vibration compared with
It causes locking nut 5 to loosen greatly, improves the locking stability of locking nut 5, cushion block 7 is set to the left side of locking nut 5, cushion block
7 right side wall is provided with anti-slop serrations 9, and the cushion block 7 while carrying out tightening locking nut 5 is effectively avoided to contact generation with workpiece
Sliding, improve the anti-skidding fixed effect of cushion block 7,1 left side outer wall of screw rod is socketed with adjustable spring 6, the left side of adjustable spring 6 and spiral shell
The connection of 2 left side wall of bolt head, and the other end of adjustable spring 6 is connect with the right side wall of cushion block 7, and the swing of adjustable spring 6 is avoided to cause
7 discontinuity of cushion block improves the fixed effect of adjustable spring 6.
Wherein, the two sides inner wall of sliding slot 11 symmetrically offers locating slot, and outside the inner wall of locating slot and 81 two sides of latch segment
Wall size is identical, by heading into latch segment 81 in locating slot, disappears while being spirally connected with screw rod 1 convenient for locking nut 5
Except obstruction；
Mounting hole 71 is offered at the center of cushion block 7, the internal diameter of mounting hole 71 is identical as 1 outer wall size of screw rod, mounting hole
71 inner walls are symmetrically arranged with fixed block, and the outer wall of fixed block and the inner wall of locking slot 4 match, by being arranged on cushion block 7
Fixed block and locking slot 4 be slidably matched, effectively avoid the rotation of cushion block 7 anti-slop serrations 9 is caused to cause to wear to workpiece；
Locking nut 5 is regular hexagon, and locking nut 8 is provided with convex block close to the side of cushion block 7, by by locking screw
Female 5 outer walls setting is in regular hexagon section, is clamped dismounting convenient for clamping tool, and carry out in locking nut 5 and workpiece
Convex block is arranged in the side of fitting, avoids 8 contact surface of locking nut is larger from causing binding face hanging；
7 left side outer wall of cushion block is evenly distributed with anti-slop serrations 9, and anti-slop serrations 9 are right angled triangle, and anti-slop serrations 9 have and can prolong
The fastening time of long screw, while the anti-skidding flank of tooth plays the role of gasket again, effectively avoids cushion block 7 and contactant from sliding, mentions
The anti-skidding fixed effect of high cushion block 7；
2 outer right wall of bolt head offers circular groove, and the inner wall of circular groove and 6 outer wall size phase of adjustable spring
Together, it by the mutual cooperation of circular groove and adjustable spring 6, avoids adjustable spring 6 from swinging in compression and reseting procedure and makes greatly
At 7 discontinuity of cushion block, the fixed effect of adjustable spring 6 is improved.
Working principle: locking nut 5 is passed through the internal screw thread to match first for the device and external screw thread 3 is spirally connected, and leads to
It crosses to rotate to the left locking nut 5 and tighten, and then reduce the spacing between locking nut 5 and cushion block 7, it is effective to improve fastening
The fixed effect of part and workpiece is moved left and right cushion block 7 by the compression and reset of adjustable spring 6, and by cushion block 7
The fixed block that matches with locking slot 4 of inner cavity setting, avoid cushion block 7 when being bonded with workpiece, due to locking nut 5
Rotary squeezing causes cushion block 7 to rotate simultaneously with locking nut 5, and sliding reduces locking effect when fastener being caused to lock, convenient for mentioning
The stationarity of high cushion block 7 is carried out when cushion block 7 contacts compression with workpiece by the anti-slop serrations 9 and workpiece that are arranged on cushion block 7
Fitting, effectively avoid workpiece because shake it is larger caused by cushion block 7 loosen, and then improve cushion block 7 anti-skidding fixed effect, pass through
Sliding slot 11 is opened up on locking nut 5,11 inner cavity of sliding slot is provided with spring 82, and the bottom of spring 82 connects latch segment 81, leads to
It crosses the extruding of latch segment 81 and then spring 82 is inwardly compressed, by squeezing into latch segment 81 in locating slot, be convenient for latch segment
81 are detached from locking slot, effectively avoid locking nut 5 carry out rotation locking when caused by hinder not rotating, locking
When tight nut 5 is locked with workpiece, latch segment 81 is slided by ejection 11 inner cavity of sliding slot by the reset of spring 82, and then make latch segment
In 81 insertion locking slots, by mutually matched latch segment 81 and locking slot, fastener is effectively avoided to cause to lock in vibration
Tight nut 5 is loosened with screw rod 1, and in turn resulting in equipment can not work, and because fastener loosening and disengaging caused by safe thing
Therefore.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of steel alloy anti-loose fastener, including screw rod (1), it is connected with bolt head (2) on the left of the screw rod (1), it is special
Sign is: the outside of the screw rod (1) is provided with external screw thread (3), and the rear and front end outer wall of the screw rod (1) offers relatively
The locking slot (4) of title, the outer wall of the screw rod (1) are respectively arranged with locking nut (5) and cushion block (7), the locking nut (5)
Center at offer threaded hole (10), and the inner wall of threaded hole (10) is provided with the internal screw thread to match with external screw thread (3), institute
It states and is offered on locking nut (5) sliding slot (11), and the inner cavity of sliding slot (11) slidably connects locking device (8), the locking
Device (8) includes the latch segment (81) being connected with sliding slot (11), is connected with spring (82) at the top of the latch segment (81), and bullet
The other end of spring (82) is connect with sliding slot (11) inner cavity top, and the cushion block (7) is set to the left side of locking nut (5), described
The right side wall of cushion block (7) is provided with anti-slop serrations (9), and outer wall is socketed with adjustable spring (6) on the left of the screw rod (1), described flexible
The left side of spring (6) is connect with bolt head (2) left side wall, and the other end of adjustable spring (6) and the right side wall of cushion block (7) connect
It connects.
2. a kind of steel alloy anti-loose fastener according to claim 1, it is characterised in that: in the two sides of the sliding slot (11)
Wall symmetrically offers locating slot, and the inner wall of locating slot is identical as latch segment (81) two sides outer wall size.
3. a kind of steel alloy anti-loose fastener according to claim 1, it is characterised in that: at the center of the cushion block (7)
It offers mounting hole (71), the internal diameter of the mounting hole (71) is identical as screw rod (1) outer wall size, mounting hole (71) inner wall
It is symmetrically arranged with fixed block, and the outer wall of fixed block and the inner wall of locking slot (4) match.
4. a kind of steel alloy anti-loose fastener according to claim 1, it is characterised in that: the locking nut (5) is positive
Hexagon, and locking nut (5) is provided with convex block close to the side of cushion block (7).
5. a kind of steel alloy anti-loose fastener according to claim 1, it is characterised in that: outer wall on the left of the cushion block (7)
It is evenly distributed with anti-slop serrations (9), and anti-slop serrations (9) are right angled triangle.
6. a kind of steel alloy anti-loose fastener according to claim 1, it is characterised in that: outer on the left of the bolt head (2)
Wall offers circular groove, and the inner wall of circular groove is identical as adjustable spring (6) outer wall size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820839188.2U CN208417206U (en) | 2018-06-01 | 2018-06-01 | A kind of steel alloy anti-loose fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820839188.2U CN208417206U (en) | 2018-06-01 | 2018-06-01 | A kind of steel alloy anti-loose fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208417206U true CN208417206U (en) | 2019-01-22 |
Family
ID=65114087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820839188.2U Expired - Fee Related CN208417206U (en) | 2018-06-01 | 2018-06-01 | A kind of steel alloy anti-loose fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208417206U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173498A (en) * | 2019-06-10 | 2019-08-27 | 海盐县秦山橡胶厂 | A kind of nuclear power check bolt group |
-
2018
- 2018-06-01 CN CN201820839188.2U patent/CN208417206U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173498A (en) * | 2019-06-10 | 2019-08-27 | 海盐县秦山橡胶厂 | A kind of nuclear power check bolt group |
| CN110173498B (en) * | 2019-06-10 | 2021-04-02 | 海盐县秦山橡胶厂 | Check bolt group for nuclear power |
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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 |
Granted publication date: 20190122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |