CN209146123U - A kind of durable fastener - Google Patents
A kind of durable fastener Download PDFInfo
- Publication number
- CN209146123U CN209146123U CN201822018164.3U CN201822018164U CN209146123U CN 209146123 U CN209146123 U CN 209146123U CN 201822018164 U CN201822018164 U CN 201822018164U CN 209146123 U CN209146123 U CN 209146123U
- Authority
- CN
- China
- Prior art keywords
- spiral shell
- shell seat
- screw rod
- limiting slot
- 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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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a kind of durable fasteners, including spiral shell seat, screw rod and nut, the spiral shell seat and screw rod are integrated component, and screw rod is located at the upper end of spiral shell seat, locating cover is provided with above the nut, the outside of the screw rod is uniformly provided with external screw thread, the spiral shell seat and screw rod are internally provided with T-type reinforcing rib, the upper end of the T-type reinforcing rib is located inside screw, and the lower end of T-type reinforcing rib is located at the inside of spiral shell seat, the first limiting slot is offered at the outer surface edge of the spiral shell seat, and first limiting slot cross sectional shape be open trapezoid, the quantity of first limiting slot is four groups.The utility model makes the present apparatus in use can be by force dispersion of the spiral shell seat in fastening by being provided with a series of structure, it can effectively prevent spiral shell seat and be screwed flower, the service life of fastener is just improved in this way, become more durable, and nut can be effectively prevented and loose phenomenon occur, improve the reliability of the fastener.
Description
Technical field
The utility model relates to fastener areas, specially a kind of durable fastener.
Background technique
Fastener is a kind of for part to be tightened to be tightly fastened to the utensil of connection, and in machinery field, we commonly use fastening
Part completes the connection between each components, and the connection bolt series that fastener refers mainly to, existing connection bolt can not general
Force dispersion of the spiral shell seat in fastening, since spiral shell seat is mainly edge stress, firmly slightly excessive, the edge of spiral shell seat is just screwed
Flower, reduces its service life in this way, becomes not being durable, and can not be effectively prevented nut and loose phenomenon occur, reduce
The reliability of the connection bolt.
Utility model content
The purpose of this utility model is to provide a kind of durable fasteners, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of durable fastener, including spiral shell seat,
Screw rod and nut, the spiral shell seat and screw rod are integrated component, and screw rod is located at the upper end of spiral shell seat, is provided with above the nut
Locating cover, the outside of the screw rod are uniformly provided with external screw thread, and the spiral shell seat and screw rod are internally provided with T-type reinforcing rib, institute
The upper end for stating T-type reinforcing rib is located inside screw, and the lower end of T-type reinforcing rib is located at the inside of spiral shell seat.
Preferably, the first limiting slot, and the cross sectional shape of the first limiting slot are offered at the outer surface edge of the spiral shell seat
For open trapezoid, the quantity of first limiting slot is four groups.
Preferably, the lower end outer surface of the spiral shell seat offers newel slot, and the outside of newel slot offers second
Limiting slot.
Preferably, the outer surface of the nut also offers the first limiting slot, the lower end outer surface setting of the locating cover
There is limit inserted link corresponding with the shape of the first limiting slot, the upper end outer surface of the locating cover is provided with key seat, the spiral shell
Guide post is welded at the upper end outer surface center of bar.
Preferably, the limit inserted link, key seat and locating cover are integrated component, and positioning is provided between key seat and guide post
Screw rod.
Preferably, the nut is connect with screw flight, and nut is set to the outside of screw rod.
In conclusion the utility model has the following beneficial effects:
1, by offering the first limiting slot at the outer surface edge of spiral shell seat, and the cross sectional shape of the first limiting slot is to open
Mouth is trapezoidal, is four groups in the quantity of the first limiting slot, newel slot is offered in the lower end outer surface of spiral shell seat, in newel slot
Outside offers the second limiting slot, in use, first separates nut with screw rod, and screw rod is passed through part to be tightened
In screw hole, then nut is mounted on to the outside of screw rod again, during fastening, operator can be with spanner by spiral shell seat card
Firmly, during fastening, the first limiting slot is used to share the edge stress of spiral shell seat, and the second limiting slot is for holding for spanner and spiral shell seat
Acceptor center stress, the second limiting slot and the first limiting slot are used cooperatively can be by force dispersion of the spiral shell seat in fastening, Ke Yiyou
Effect prevents spiral shell seat to be screwed flower, just improves the service life of fastener in this way, becomes more durable；
2, by being provided with locating cover above nut, the lower end outer surface for carrying locating cover is provided with and the first limiting slot
The corresponding limit inserted link of shape, the upper end outer surface of locating cover is provided with key seat, at the upper end outer surface center of screw rod
Place is welded with guide post, and positioning screw is provided between key seat and guide post, then will positioning after the position fastening in place of nut
It covers in the upper end of nut, key seat is aligned to and is inserted into guide post, make to limit in the first limiting slot of inserted link insertion nut, finally again
Positioning screw is screwed into guide post, the position of key seat and guide post is fixed, the position of locating cover can be fixed, so as to
It is effectively prevented nut and loose phenomenon occurs, improve the reliability of the fastener.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the partial view of the spiral shell seat of the utility model；
Fig. 3 is the enlarged view of the T-type reinforcing rib of the utility model.
In figure: 1, spiral shell seat；101, the first limiting slot；102, newel slot；103, the second limiting slot；2, screw rod；3, nut；
31, guide post；32, positioning screw；4, locating cover；41, inserted link is limited；42, key seat；5, external screw thread；6, T-type reinforcing rib.
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.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " after
The orientation or positional relationship of the instructions such as end ", " both ends ", " one end ", " other end " is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition,
Term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being provided with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of durable fastener, including spiral shell seat 1, spiral shell
Bar 2 and nut 3, spiral shell seat 1 and screw rod 2 are integrated component, and screw rod 2 is located at the upper end of spiral shell seat 1, and the top of nut 3 is provided with fixed
Position lid 4, the outside of screw rod 2 are uniformly provided with external screw thread 5, and spiral shell seat 1 is internally provided with T-type reinforcing rib 6 with screw rod 2, and T-type is reinforced
The upper end of muscle 6 is located inside screw rod 2, and T-type reinforcing rib 6 is used to increase the mechanical strength of entire fastener, and T-type reinforcing rib 6
Lower end is located at the inside of spiral shell seat 1, the durable fastener, in use can by force dispersion of the spiral shell seat 1 in fastening,
It can effectively prevent spiral shell seat 1 and be screwed flower, just improve the service life of fastener in this way, become more durable, and can be effective
Ground prevents nut 3 from loose phenomenon occur, improves the reliability of the fastener.
Further, the first limiting slot 101, and the section shape of the first limiting slot 101 are offered at the outer surface edge of spiral shell seat 1
Shape is open trapezoid, and the quantity of the first limiting slot 101 is four groups, and four group of first limiting slot 101 can share 1 edge of spiral shell seat
Stress.
Further, the lower end outer surface of spiral shell seat 1 offers newel slot 102, and the outside of newel slot 102 offers
Two limiting slots 103, the second limiting slot 103 are used to limit the position between spiral shell seat 1 and Wrench for opening.
Further, the outer surface of nut 3 also offers the first limiting slot 101, the lower end outer surface of locating cover 4 be provided with
The corresponding limit inserted link 41 of the shape of first limiting slot 101, the upper end outer surface of locating cover 4 are provided with key seat 42, screw rod 2
Guide post 31 is welded at the center of upper end outer surface, key seat 42 can pass through guide post 31.
Further, inserted link 41, key seat 42 and locating cover 4 are limited and is integrated component, and be arranged between key seat 42 and guide post 31
There is positioning screw 32, positioning screw 32 is used for the position of stationary positioned lid 4 and guide post 31.
Further, nut 3 is threadedly coupled with screw rod 2, and nut 3 is set to the outside of screw rod 2, and nut 3 is used for will be to tight
Gu part is locked.
It should be noted that the utility model is a kind of durable fastener, in use, first by nut 3 with
Screw rod 2 separates, and in the screw hole that screw rod 2 is passed through to part to be tightened, then nut 3 is mounted on to again the outside of screw rod 2, fastened
During, operator can be blocked spiral shell seat 1 with spanner, and spanner and spiral shell seat 1 are during fastening, the first limiting slot
101 for sharing the edge stress of spiral shell seat 1, and the second limiting slot 103 is for bearing center stressed, the second limiting slot 103 and first
Limiting slot 101, which is used cooperatively, can effectively prevent spiral shell seat 1 by force dispersion of the spiral shell seat 1 in fastening and be screwed flower, in this way
Just the service life for improving fastener, becomes more durable, secondly, by after the position fastening in place of nut 3, then by locating cover
4 cover the upper end in nut 3, and key seat 42 is aligned to and is inserted into guide post 31, make to limit the first limiting slot that inserted link 41 is inserted into nut 3
In 101, finally positioning screw 32 is screwed into guide post 31 again, key seat 42 and the position of guide post 31 are fixed, can will be positioned
The position of lid 4 is fixed, and loose phenomenon is occurred so as to be effectively prevented nut 3, is improved the reliability of the fastener, more
It is practical.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of durable fastener, including spiral shell seat (1), screw rod (2) and nut (3), it is characterised in that: the spiral shell seat (1) with
Screw rod (2) is integrated component, and screw rod (2) is located at the upper end of spiral shell seat (1), is provided with locating cover above the nut (3)
(4), the outside of the screw rod (2) is uniformly provided with external screw thread (5), and the spiral shell seat (1) is internally provided with T-type with screw rod (2)
Reinforcing rib (6), it is internal that the upper end of the T-type reinforcing rib (6) is located at screw rod (2), and the lower end of T-type reinforcing rib (6) is located at spiral shell seat
(1) inside.
2. the durable fastener of one kind according to claim 1, it is characterised in that: the outer surface edge of the spiral shell seat (1)
Place offers the first limiting slot (101), and the cross sectional shape of the first limiting slot (101) is open trapezoid, first limiting slot
(101) quantity is four groups.
3. the durable fastener of one kind according to claim 1, it is characterised in that: the lower end outer surface of the spiral shell seat (1)
It offers newel slot (102), and the outside of newel slot (102) offers the second limiting slot (103).
4. the durable fastener of one kind according to claim 1, it is characterised in that: also open the outer surface of the nut (3)
Equipped with the first limiting slot (101), the lower end outer surface of the locating cover (4) is provided with the shape phase with the first limiting slot (101)
The upper end outer surface of corresponding limit inserted link (41), the locating cover (4) is provided with key seat (42), the upper end of the screw rod (2)
Guide post (31) are welded at the center of outer surface.
5. the durable fastener of one kind according to claim 4, it is characterised in that: the limit inserted link (41), key seat
(42) it is integrated component with locating cover (4), and is provided with positioning screw (32) between key seat (42) and guide post (31).
6. the durable fastener of one kind according to claim 1, it is characterised in that: the nut (3) and screw rod (2) screw thread
Connection, and nut (3) is set to the outside of screw rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822018164.3U CN209146123U (en) | 2018-12-04 | 2018-12-04 | A kind of durable fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822018164.3U CN209146123U (en) | 2018-12-04 | 2018-12-04 | A kind of durable fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209146123U true CN209146123U (en) | 2019-07-23 |
Family
ID=67288906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822018164.3U Expired - Fee Related CN209146123U (en) | 2018-12-04 | 2018-12-04 | A kind of durable fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209146123U (en) |
-
2018
- 2018-12-04 CN CN201822018164.3U patent/CN209146123U/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 |
Granted publication date: 20190723 Termination date: 20201204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |