CN202706522U - Connecting fastener - Google Patents
Connecting fastener Download PDFInfo
- Publication number
- CN202706522U CN202706522U CN 201220379303 CN201220379303U CN202706522U CN 202706522 U CN202706522 U CN 202706522U CN 201220379303 CN201220379303 CN 201220379303 CN 201220379303 U CN201220379303 U CN 201220379303U CN 202706522 U CN202706522 U CN 202706522U
- Authority
- CN
- China
- Prior art keywords
- hook portion
- body base
- dead bolt
- deep trouth
- torsionspring
- 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 - Lifetime
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Abstract
The utility model discloses a connecting fastener which comprises a body basic part, wherein a hook part is arranged at one end of the body basic part in an extending way; a concave arc surface is arranged at the lower end of the hook part; an axis of the concave arc surface is perpendicular to the axis of the body basic part; the front end of the hook part is hinged with one end of an arc lock tongue; a torsion spring is connected to the hinged part in a penetrating way; one end of the torsion spring is clamped on the hook part; the other end of the torsion spring is clamped on an outer cambered surface of the arc lock tongue; and the other end of the arc lock tongue is formed by a torque force of the torque spring to be bent towards the surface of which the concave arc surface is positioned at the front part of the hook part. The connecting fastener disclosed by the utility model has the advantages of firmness in connection, high structure strength, convenience in maintenance and higher use value.
Description
Technical field
The utility model relates to a kind of connection fastener, particularly a kind of fastener for connecting scaffold.
Background technology
The connecting rod of existing aluminium alloys scaffold is generally by being welded and fixed its connection fastener, when setting up the aluminium alloys scaffold, if through collision, drop or meet microthermal climate, sealing-off phenomenon in various degree all can occur.When the aluminium alloys scaffold rocked or shakes, connection was easy to produce loosening even comes off, and causes contingency.Other existing connection fastener, its dead bolt major part is arranged on body base inside, and body base usually cooperates and is installed in the hollow connecting rod, if dead bolt blocks and needs maintenance, the unusual trouble of dismounting then.
The utility model content
For solving the deficiencies in the prior art, the utility model provides a kind of and has been connected firmly connection fastener easy to maintenance with connecting rod.
The utility model technical scheme that adopts of dealing with problems is:
A kind of connection fastener, comprise body base, one end of described body base is extended with hook portion, the hook portion lower end is provided with cancave cambered surface, and the axis of described cancave cambered surface is vertical with the axis of body base, and an end of described hook portion front end and arc dead bolt is hinged, there is torsionspring hinged place also cross-under, one end of torsionspring is stuck on the hook portion, and the other end is stuck in the extrados of arc dead bolt, and the torsion of torsionspring forces the other end of arc dead bolt to bend towards the surface that cancave cambered surface is positioned at the hook portion front portion.The utility model body base and hollow connecting rod adopt the direct pressing of forcing press to finish installation, avoid welding the sealing-off phenomenon that may occur; The hinged place of arc dead bolt and hook portion is arranged on the hook portion front end in addition, easy access when going wrong.
Further, described body base is cylindrical shell, the upper end is provided with the deep trouth that connects cancave cambered surface and body base before the hook portion, the hook portion front end is provided with the through hole that connects deep trouth, the arc dead bolt is placed in the deep trouth, wherein an end adopts pin hinged by through hole, and described torsionspring is positioned at deep trouth and cross-under on pin.The arc dead bolt is placed in the deep trouth, if bump because of carelessness, because the protection of deep trouth both sides is arranged, the arc dead bolt is difficult for loosening, and general structure is more firm; The arc dead bolt adopts pin to be hinged on hook portion, is convenient to dismounting.
Further, before the described hook portion, the top forward and extended upward 2 double walls, described 2 double walls lay respectively on the position on deep trouth both sides.The structural strength that double wall is conducive to strong hook portion is set, uses safer.
Further, described body base surface is provided with the groove of the vertical body base axis direction at least 1 road.Produce plastic strain when groove being set the body base of being convenient to and connecting rod pressing being arranged, make more firmly safety of connection.
Further, described arc dead bolt roughly is being provided with position block near the extrados place of arc mid point.Position block is set makes the arc dead bolt be stuck in inner surface place, body base below, can under the effect of torsionspring, not turn to the closure that contacts with surface that cancave cambered surface is positioned at the hook portion front portion fully, be conducive to accelerate the installation of scaffold connecting rod.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model arc dead bolt;
Fig. 3 is the structural representation of the utility model torsionspring.
The specific embodiment
With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of connection fastener, comprise body base 1, body base 1 is cylindrical shell, one end of body base 1 is extended with hook portion 13, and hook portion 13 lower ends are provided with cancave cambered surface 14, and the axis of described cancave cambered surface 14 is vertical with the axis of body base 1, hook portion 13 front upper ends are provided with the deep trouth 15 that connects cancave cambered surface 14 and body base 1, and the length along body base 1 axis direction of described deep trouth 15 surpasses the ultimate range of cancave cambered surface 14 and hook portion 13 front end faces.Before the hook portion 13, the top forward and extended upward 16,2 double walls 16 of 2 double walls and lay respectively on the position on deep trouth 15 both sides.Hook portion 13 front ends also are provided with the through hole that connects deep trouth 15, and arc dead bolt 2 is placed in the deep trouth 15, and wherein an end adopts pin 3 hinged by through hole, and described torsionspring 4 is positioned at deep trouth 15 and cross-under on pin 3.One end of torsionspring 4 is stuck on the hook portion 13, and the other end is stuck in the extrados of arc dead bolt 2, and the torsion of torsionspring 4 forces the other end of arc dead bolt 2 to bend towards the surface that cancave cambered surface 14 is positioned at hook portion 13 front portions.Arc dead bolt 2 roughly is being provided with position block 21 near the extrados place of arc mid point.Position block 21 is set makes arc dead bolt 2 just be stuck in inner surface place below the body base 1 when turning to certain angle, can under the effect of torsionspring 4, not turn to the closure that contacts with surface that cancave cambered surface 14 is positioned at hook portion 13 front portions fully, leave certain area of space between the two, be convenient to the fastening of connection fastener and other rod member.In the present embodiment, body base 1 surface is provided with the groove 12 of vertical body base 1 axis direction in 2 roads.
During use, the body base 1 of connection fastener under the 60T forcing press, directly with the hollow connecting rod press with, produce plastic strain during groove 12 pressing, make more firmly safety of connection, avoid adopting welding, get rid of the possibility of sealing-off, hollow connecting rod two ends respectively are connected with a connection fastener.When scaffolding erecting, connection fastener directly is fastened on the rod member, and arc dead bolt 2 compresses rod member voluntarily under the effect of torsionspring 4, prevent from coming off.During dismounting, then need to break arc dead bolt 2 into two with one's hands with hand, take off connecting rod and get final product.
The above is the better embodiment of the utility model, and it does not consist of the restriction to the utility model protection domain, so long as realize that with essentially identical means the purpose of this utility model all should belong to protection domain of the present utility model.
Claims (5)
1. connection fastener, comprise body base (1), one end of described body base (1) is extended with hook portion (13), hook portion (13) lower end is provided with cancave cambered surface (14), the axis of described cancave cambered surface (14) is vertical with the axis of body base (1), it is characterized in that: an end of described hook portion (13) front end and arc dead bolt (2) is hinged, there is torsionspring (4) hinged place also cross-under, one end of torsionspring (4) is stuck on the hook portion (13), the other end is stuck in the extrados of arc dead bolt (2), and the torsion of torsionspring (4) forces the other end of arc dead bolt (2) to bend towards the surface that cancave cambered surface (14) is positioned at hook portion (13) front portion.
2. a kind of connection fastener according to claim 1, it is characterized in that described body base (1) is cylindrical shell, the front upper end of hook portion (13) is provided with the deep trouth (15) that connects cancave cambered surface (14) and body base (1), hook portion (13) front end is provided with the through hole that connects deep trouth (15), arc dead bolt (2) is placed in the deep trouth (15), wherein an end adopts pin (3) hinged by through hole, and described torsionspring (4) is positioned at deep trouth (15) and cross-under on pin (3).
3. a kind of connection fastener according to claim 2, it is characterized in that described hook portion (13) is front, the top forward and extended upward 2 double walls (16), described 2 double walls (16) lay respectively on the position on deep trouth (15) both sides.
4. a kind of connection fastener according to claim 1 is characterized in that described body base (1) surface is provided with the groove (12) of the vertical body base at least 1 road (1) axis direction.
5. a kind of connection fastener according to claim 1 is characterized in that described arc dead bolt (2) is provided with position block (21) at the extrados place near the arc mid point roughly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220379303 CN202706522U (en) | 2012-07-31 | 2012-07-31 | Connecting fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220379303 CN202706522U (en) | 2012-07-31 | 2012-07-31 | Connecting fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202706522U true CN202706522U (en) | 2013-01-30 |
Family
ID=47586839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220379303 Expired - Lifetime CN202706522U (en) | 2012-07-31 | 2012-07-31 | Connecting fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202706522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106715810A (en) * | 2014-06-02 | 2017-05-24 | 斯卡佛姆控股有限公司 | Scaffolding coupler, standard and scaffolding system |
-
2012
- 2012-07-31 CN CN 201220379303 patent/CN202706522U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106715810A (en) * | 2014-06-02 | 2017-05-24 | 斯卡佛姆控股有限公司 | Scaffolding coupler, standard and scaffolding system |
| CN106715810B (en) * | 2014-06-02 | 2019-07-12 | 斯卡佛姆控股有限公司 | Scaffold connector, column and connection system for guide rail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |
|
| CX01 | Expiry of patent term |