CN203462624U - Connecting structure for high-safety undercut riveting bolt and building appurtenance - Google Patents
Connecting structure for high-safety undercut riveting bolt and building appurtenance Download PDFInfo
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- CN203462624U CN203462624U CN201320468894.8U CN201320468894U CN203462624U CN 203462624 U CN203462624 U CN 203462624U CN 201320468894 U CN201320468894 U CN 201320468894U CN 203462624 U CN203462624 U CN 203462624U
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Abstract
The utility model provides a high-safety undercut riveting bolt and a connecting structure of the high-safety undercut riveting bolt. The undercut riveting bolt is provided with a fastening sleeve, a metal riveting rod of the undercut riveting bolt is provided with a loosening-preventing riveting section, the fastening sleeve presses a connected part under the tool effect, an inner hole of the fastening sleeve contracts and wraps the loosening-preventing riveting section, meanwhile a concave-convex inner hole surface matched with loosening-preventing stripes on the surface of the loosening-preventing riveting section is formed, and permanent non-welding connection is formed. The sleeve and an expansion part are two independent split elements, the sleeve of the undercut riveting bolt is a plastic part, and the middle and the front portion of the outer wall of the sleeve are provided with one or more axial grooves. The undercut riveting bolt can be permanently and firmly connected and does not loosen without welding, the connecting strength is remarkably improved, the anti-seismic requirement is met, and the labor and cost can be saved. A flexible anti-seismic measure is applied to the high-safety undercut riveting bolt and the connecting structure. The local bent portion in the hole can be further penetrated by utilizing the deformation capacity of the sleeve in the radial direction and avoidance of the axial grooves, reliable connection is achieved, re-punching is avoided, and the cost is saved.
Description
Technical field
The utility model relates to a kind of building appurtenance syndeton that end riveting bolt is cut in end riveting bolt and utilization of cutting.It is mainly applicable to all kinds of buildings, subway etc. and builds use, is more suitable for anti-vibration and fire protection requirement higher buildings peripheral structure curtain wall and uses.
Background technology
The crab-bolt that at present building accessory structure is installed and used, because pneumatic ripple external force or the braking impact endurance test shocks in subway circulation of annual hundreds thousand of times and the external force such as expand with heat and contract with cold affect, can cause that anchoring piece gets loose, the sagging generation that causes the accident in connecting hole gap.So national regulation is sagging with connecting hole gap for preventing that bolt from getting loose, regulation require by screw rod, pad, nut be welded be connected anchor slab and be welded, but this job site is welded that not only work difficulty is very large, but also exist, on several unlike materials, weld caused sealing-off potential safety hazard.
And in service as subway train, under the impact endurance test shock when high-speed cruising and braking, makes crab-bolt steel sleeve that concrete hole wall is formed and be clashed into, under effect for a long time, it is large that hole wall becomes, the crab-bolt bar impact expansion load that starts to slide.And, along with a large amount of high levels and high-rise appearance, while crab-bolt being set on He Huo encrypted area, concrete structure reinforcing bars compare Mi district, while tending to occur running into reinforcing bar, form the curved hole that naked eyes are not found out, at steel sleeve, install and be driven into a half, just find to be stuck and cannot to reinstall; If press normal construction, because selecting position punching again, but like this, the hole of several combos and the securing member of installation beaten before this all cancel, therefore, in many engineerings, occur that constructor gets over by slicing off to burn-on after anchor plate hole drill is inserted in greatly, leaves potential safety hazard to engineering.
In addition, be used in the suprabasil crab-bolts such as concrete, on crab-bolt bar, in an expansion taper seat and expanding plate, shape coordinating between justifying is unreasonable, under the impact of their braking impact endurance test shocks in pneumatic ripple external force or subway circulation, slowly tired identical, thus make crab-bolt bar grow approximate number millimeter to outer displacement, crab-bolt is loosening, under external force shock effect, connector and anchor pole will wear and tear, and nut gets loose by dynamic effect, exist potential safety hazard accident to occur.Separately having a kind of mode is reverse taper crab-bolt, its expanding plate is that reverse expansion snaps on concrete, but it seems firmly and can not skid off, in fact because plates are under the double action of gravity and external force vibrations, its expanding plate will be as the blade be cut a hole in concrete in embedding slowly, make crab-bolt bar grow approximate number millimeter to outer displacement, if periphery runs into the building stones degree of growing that does not have intensity higher, can be larger, crab-bolt is loosening.
In addition, these crab-bolts are hung by the feet while installing on concrete, and installation personnel is difficult to crab-bolt to control, and its sleeve is easy to fall down.
Summary of the invention
The utility model technical problem first to be solved is to provide the de-end riveting bolt of cutting of a kind of shock-proof check, and it is without welding operation, but connection anti-loose is de-, forever firm, improves safety is installed.For this reason, the utility model is by the following technical solutions:
A kind of high safety is cut end riveting bolt, comprise metal rivet rod, sleeve, expanding part, the head of metal rivet rod is expansion head, expansion head coordinates with expanding part makes its expansion, it is characterized in that described metal rivet rod comprises corresponding anti-loose rivet clasp section outside the connecting hole of curtain wall panel, described anti-loose rivet clasp section surface is shaped with anticreep line, described riveting bolt also comprises adapter sleeve, the anti-loose rivet clasp section of interior boring ratio of described adapter sleeve is bigger, make adapter sleeve can freely be inserted in anti-loose rivet clasp section, and under the effect of described instrument, compressing connected piece and the contraction of adapter sleeve endoporus packs tightly outside anti-loose rivet clasp section and forms the concavo-convex bore area matching with anti-loose rivet clasp section surface anticreep line simultaneously, formation is without the permanent connection of welding, described anti-loose rivet clasp section also has linkage section outward, for connecting described instrument,
Sleeve and expanding part are two of split independently elements, and described sleeve is working of plastics, and the middle part of sleeve outer wall and front portion have one or more axial groove.
Adopting on the basis of technique scheme, the utility model also can adopt following further technical scheme:
Described expansion head is truncated cone, expanding part is round part, it has a plurality of expanding plates along circumferencial direction spread configuration, the shape of described expanding plate is expanded after head expansion it, between the bearing position in the side of substrate connecting hole is recessed and the taper seat of expansion head, is whole contact of adhering.
Between described linkage section and anti-loose rivet clasp section, also can break position.
The rear portion of described adapter sleeve is thinner than anterior, makes the outline of adapter sleeve form bowl type or the shape of taper or the shape of step.
That the range of choice of described metal rivet rod shape of cross section comprises is round, square, rectangle, grooved, polygonal.
In described working of plastics, be mixed with fiber.
Being cut the hole of passing for metal rivet rod on the building appurtenance that end riveting bolt connected is slotted hole or circular hole or elongated slot; The front end of described adapter sleeve has flange collar or projection, described flange collar or projection are for when described adapter sleeve is pushed by described instrumental purpose the building appurtenance being tightly connected, be squeezed into the hole wall in the appendicular hole of passing for metal rivet rod of building and the gap between metal rivet rod, form jam-packed or interference fit, and building appurtenance is played to the positioning action that prevents slippage; And/or, the front end face of described adapter sleeve also has the concavo-convex location configuration coordinating with the appendicular lateral surface of the building being connected, when described adapter sleeve is pushed tight described building appurtenance by described instrumental purpose, by described concavo-convex location configuration, at the appendicular lateral surface of described building and adapter sleeve front end face, produce on-slip and coordinate, loosening further to prevent described building appurtenance.
In the front end flange collar of described adapter sleeve or projection, have with described building appurtenance on the hole wall in the hole of passing for metal rivet rod in the groove that matches of groove, when described flange collar or projection are clamp-oned the hole of passing for metal rivet rod, in described groove and hole wall, groove is inlayed, form jam-packed or interference fit, building appurtenance is played to the positioning action that prevents slippage.
Another technical problem to be solved of the utility model is to provide the high safety of a kind of fire prevention and cuts end riveting bolt, and it is without welding operation, but connection anti-loose is de-, permanent firmly, fireproofing and heat resistant, can reduce the appendicular installation cost of building and safety is installed.For this reason, the utility model is by the following technical solutions:
The high safety of fire prevention is cut an end riveting bolt, it is characterized in that it has above-mentioned any one and cuts the structure of end riveting bolt; The described end riveting bolt of cutting also comprises fireproofing and heat resistant cap, and described fireproofing and heat resistant calotte is exposed to outside the part of building outside appurtenance cutting end riveting bolt.
Described fireproofing and heat resistant cap is connected on described adapter sleeve.
Another technical problem to be solved of the utility model is to provide the appendicular syndeton of a kind of building, and it connects without welding operation, but connection anti-loose is de-, forever firm, improves safety is installed.For this reason, the utility model is by the following technical solutions:
Build an appendicular syndeton, it is characterized in that, described building appurtenance is connected piece, and connected piece ties to be connected on and need to install in the appendicular substrate of building with cutting end riveting; Connected piece and substrate have respectively connecting hole, have the side coordinating with expanding part recessed in suprabasil connecting hole, it is characterized in that:
The described end riveting bolt of cutting comprises metal rivet rod, sleeve, expanding part, and expanding part is in the bottom of metal rivet rod or also at the middle part of metal rivet rod cover, has expanding part simultaneously, and described expanding part is recessed by the described side of expanding and stretching in suprabasil connecting hole; Described sleeve and expanding part are two of split independently elements, and described sleeve is working of plastics, and the middle part of sleeve outer wall and front portion have one or more axial groove.
Described metal rivet rod comprises corresponding anti-loose rivet clasp section outside the connecting hole of substrate, described anti-loose rivet clasp section surface is shaped with anticreep line, the described end riveting bolt of cutting also comprises adapter sleeve, the anti-loose rivet clasp section of interior boring ratio of described adapter sleeve is bigger, make adapter sleeve can freely be inserted in anti-loose rivet clasp section, and under the effect of described instrument, compress connected piece and the contraction of adapter sleeve endoporus and pack tightly outside anti-loose rivet clasp section and form the concavo-convex bore area matching with anti-loose rivet clasp section surface anticreep line simultaneously, form the permanent connection without welding.
Adopting on the basis of technique scheme, the utility model also can adopt following further technical scheme:
Described expansion head is truncated cone, expanding part is round part, it has a plurality of expanding plates along circumferencial direction spread configuration, the shape of described expanding plate is expanded after head expansion it, between bearing position in the side of substrate connecting hole is recessed and the taper seat of truncated cone, be whole laminating, make bearing position be whole of adhering with the taper seat of expansion head with side shrinkage pool wall and contact, between the taper seat of bearing position and expansion and side shrinkage pool wall by closely knit.
The appendicular hole of passing for metal rivet rod of described building is slotted hole or circular hole or elongated slot; The front end of described adapter sleeve has flange collar or projection, described flange collar or projection are when described adapter sleeve is pushed tight described building appurtenance by described instrumental purpose, be squeezed into by the hole wall in the appendicular hole of passing for metal rivet rod of building and the gap between metal rivet rod, form jam-packed or interference fit, and building appurtenance is played to the positioning action that prevents slippage; Or, the front end face of described adapter sleeve also has the concavo-convex location configuration coordinating with the appendicular lateral surface of building, build appendicular described lateral surface and also there is concavo-convex location configuration, at described adapter sleeve, by described instrumental purpose, pushed after tight described building appurtenance, the appendicular lateral surface of described building forms on-slip with the concavo-convex location configuration of adapter sleeve front end face and coordinates, loosening further to prevent described building appurtenance;
Or, when the front end of described adapter sleeve has described flange collar or projection, the hole wall in the hole of passing for metal rivet rod is with interior groove, in the front end flange collar of described adapter sleeve or projection, have with described hole wall in the groove that matches of groove, in described flange collar or projection, clamp-on behind the hole of passing for metal rivet rod, in described groove and hole wall, groove is inlayed, and forms jam-packed or interference fit, and building appurtenance is played to the positioning action that prevents slippage.
Due to employing the technical solution of the utility model, the end riveting bolt of cutting provided by the utility model, can realize permanent firmly connection without welding and not get loose, significantly increase bonding strength, meets shockproof requirements, can save and install manually, reduces installation cost.The utility model has also proposed cutting the fireproofing and heat resistant solution of end riveting bolt, applicable all kinds of fire district is used, and, further, owing to having avoided at metal rivet rod and adapter sleeve the distortion causing because of welding, make fireproofing and heat resistant cap can be ideally be exposed to outer head and combine with cutting end riveting bolt, play best fireproofing and heat resistant effect.
In the utility model, by metalwork, transfer sleeve to nonmetal working of plastics.Because the utility model does not need welding, so eliminated all, affect the uncertain factor of working of plastics, make in the utility model, flexible anti-shock measure can be used in riveting bolt reliably, improves anti-seismic performance; This has not only improved anti-seismic performance, this structure can also be when there is curved hole that above-mentioned naked eyes do not find out in substrate connecting hole, can utilize deformability that its footpath makes progress and dodging of axial groove and arrive precalculated position, realizing the reliable connection of securing member and connecting hole, avoiding again punching cost-saving; The utility model is further studied and is found that the crooked position in curved hole often appears at the middle part in hole, therefore, described axial groove can only be arranged on middle part and the front portion of sleeve, and still keeps cylindrical at the rear portion of sleeve, thereby has farthest realized the double action of dodging and filling.
Further, in the utility model, because sleeve adopts working of plastics, expansion member and sleeve adopt Split type structure, and this Split type structure make in expansion member expanding plate shape can be related to easily and be manufactured, it is expanded after head expansion, bearing position in the side of substrate connecting hole is recessed is whole of adhering with the taper seat of expansion head with side shrinkage pool wall and contacts, between the taper seat of bearing position and expansion head and side shrinkage pool wall, by closely knit, thereby stopped aforesaid " tired coincideing ", cause loosening phenomenon.
Further, in the utility model, also introduced the anti-displacement location relation between adapter sleeve and building appurtenance, result of use simple in structure is good again; The hole of passing for rivet rod that can either make to build on appurtenance adopts slotted hole or elongated slot, base bore position can be adjusted flexibly, can guarantee that again building appurtenance is reliably connected and locates, overcome base bore position in the past and can not adjust caused false connection state, can significantly increase further bonding strength and fastness are installed, improve safety.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of the utility model embodiment.
Fig. 2 be the utility model expansion member expansion schematic diagram.
Fig. 3 is the lateral view of sleeve.
Fig. 4 is the schematic diagram of building appurtenance syndeton provided by the utility model.
Fig. 5 is the schematic diagram of the utility model when metal rivet rod is connected to substrate connecting hole.
The specific embodiment
With reference to accompanying drawing.A kind of end riveting bolt of cutting provided by the utility model, comprise metal rivet rod 1, sleeve 2, expanding part 3, the head of metal rivet rod 1 is expansion 10, and expansion 10 coordinates with expanding part 3 to be made its expansion and enter in the bottom side recessed 102 of connecting hole 101 of substrate 100.
Described metal rivet rod 1 comprises corresponding anti-loose rivet clasp section 11 outside connecting hole 101, and described anti-loose rivet clasp section surface is shaped with anticreep line, such as dimpled grain, burr, ring, cannelure etc., makes anti-loose rivet clasp section 11 air spotss.The outer linkage section 12 being connected with instrument that is also useful on of described anti-loose rivet clasp section 11, between linkage section 12 and anti-loose rivet clasp section 11, there is the position of breaking 13, linkage section 12 has and it is applied to the connecting portion of the described instrument of pulling force, such as linkage section 12 has suitable length, linkage section 12 surfaces have plane, the thread segment that the connecting portion of linkage section 12 cross sections and described instrument matches, linkage section 12 has matches with the connecting portion of instrument, the uneven anti-skidding formation pawl of linkage section 12 rough surface forces etc.
Described riveting bolt also comprises adapter sleeve 4, the endoporus 40 of described adapter sleeve is more bigger than anti-loose rivet clasp section 11, make adapter sleeve 4 can freely be inserted in anti-loose rivet clasp section 11, and under the effect of described instrument, compress connected piece 200 and 40 contractions of adapter sleeve endoporus and pack tightly outside anti-loose rivet clasp section 11 and formation simultaneously and the concavo-convex bore area that anti-loose rivet clasp section surface anticreep line matches, form the permanent connection without welding.
The mode of action of instrument is generally and is pulled outwardly metal rivet rod, and utilize the reaction force of pulling force to push away forward adapter sleeve, make adapter sleeve compress connected piece 200, when compressing, instrument utilizes the model of taper surface or bowl profile to push adapter sleeve, makes the size of adapter sleeve endoporus in the plane axial perpendicular to endoporus dwindle rather than be only crushed, like this, itself and anti-loose rivet clasp section realize comprehensive clamping, realize permanent anti-loose, extruding power can use pressure-air.It is thin compared with its head that the rear portion 41 of adapter sleeve can be made as shape in advance, makes the outline of adapter sleeve form bowl type or the shape of taper or the shape of step, so that by instrument extruding shrinkage strain.After completing the effect of adapter sleeve, instrument is also taken advantage of a situation linkage section 12 is broken from breaking position 13.Linkage section after breaking can be made waste and old metal recovery.
Described expansion 10 is truncated cone, expanding part 3 is round part, it has a plurality of expanding plates 30 along circumferencial direction spread configuration, the shape of described expanding plate is expanded after head expansion it, between the taper seat of the bearing position in the side of substrate connecting hole is recessed and expansion head, being whole contact of adhering,, is not local contact yet, but the contact of whole, make closely knit between them, there is no a deformation space.
Owing to adopting structure of the present utility model, the shape of described metal rivet rod can very freely be selected, shape of cross section without certain adopt circular, square, rectangle, grooved, more polygon polygonal etc. all can adopt.
For the matching between sleeve 2 and metal rivet rod 1, make it can not disperse to cause part to lose, and solve simultaneously and on concrete, hang by the feet while installing, installation personnel is difficult to control the problem of sleeve, part in the corresponding connecting hole of metal rivet rod 1 can have external screw thread 15, the endoporus of sleeve 2 has the tooth coordinating with external screw thread, it can be a salient point 21 in sleeve, being threaded on metal rivet rod by sleeve, again riveting bolt is packed in connecting hole, when hanging installation by the feet, sleeve can not drop out, working pressure rushes tool or pressure device 300, while expanding part being opened to sleeve generation pressure, this salient point slides and locks in pressurized, sleeve does not have and drops out hidden danger.
In order to improve the fatigue resistance of sleeve 2 when being squeezed with load, in the raw material of described working of plastics, can increase fiber and strengthen, preferably add carbon fiber, can make product reach and surpass metal material, there is again flexible effect.
The appendicular syndeton of a kind of building provided by the utility model, its substrate 100 of building appurtenance 200 being installed at need has connecting hole 101, in connecting hole 101, there is the side recessed 102 coordinating with described expanding part, building appurtenance 200 is connected piece, it is between adapter sleeve 4 and substrate 100, described connected piece has the hole 201 of passing for metal rivet rod, and be enclosed within outside metal rivet rod 1 by this hole 201, described adapter sleeve 4 is under the effect of described instrument, compressing connected piece and the contraction of adapter sleeve endoporus packs tightly outside anti-loose rivet clasp section and forms the concavo-convex bore area matching with anti-loose rivet clasp section surface anticreep line simultaneously, form non-welding permanent connection.
The front end of described adapter sleeve has flange collar or projection 42, described flange collar or projection 42 are when described adapter sleeve 4 is compressed described connected piece 200 by described instrumental purpose, be squeezed into hole 201 walls of connected piece 200 and the gap between metal rivet rod 1, form jam-packed or interference fit, and connected piece is played to the positioning action that prevents slippage, further prevent that it is sagging or loosening up and down.
When the front end of described adapter sleeve has described flange collar or protruding 42, the hole wall in the hole 201 of passing for metal rivet rod is with interior groove, in the front end flange collar of described adapter sleeve or projection, have with described hole wall in the groove that matches of groove, in described flange collar or projection, clamp-on behind the hole of passing for metal rivet rod, in described groove and hole wall, groove is inlayed, form jam-packed or interference fit, building appurtenance is played to the positioning action that prevents slippage.
The hole of passing for metal rivet rod on connected piece is circular hole, or, owing to comprehensively having positioning anti-skid structure between the front end of adapter sleeve in the utility model and connected piece, therefore, the hole 201 of passing for metal rivet rod on connected piece also can be slotted hole or elongated slot, to facilitate, cut the position, hole of end riveting bolt and select, improve safety and the property easy for installation of system.The hole wall in hole 201 (cell wall) has described interior groove,
The front end face of described adapter sleeve also has the concavo-convex location configuration 43 coordinating with the appendicular lateral surface of building, build appendicular described lateral surface and also there is concavo-convex location configuration 43, when described adapter sleeve is pushed tight described building appurtenance by described instrumental purpose, the appendicular lateral surface of described building forms on-slip with the concavo-convex location configuration of adapter sleeve front end face and coordinates, loosening further to prevent described building appurtenance; Described concavo-convex location configuration 43 can be the on-slip configurations such as concavo-convex groove, reticulate pattern.
Described riveting bolt also comprises fireproofing and heat resistant cap 5, and described fireproofing and heat resistant cap 5 covers on riveting bolt and is exposed to outside the part outside building appurtenance.Described fireproofing and heat resistant cap adopts and is threaded, clamping, rising the mode such as connects and be connected on described adapter sleeve 4.
The other parts of the present embodiment are identical with embodiment 1, and in Fig. 3, drawing reference numeral is identical with Fig. 1, represents identical implication.
Claims (9)
1. a high safety is cut end riveting bolt, comprise metal rivet rod, sleeve, expanding part, the head of metal rivet rod is expansion head, expansion head coordinates with expanding part makes its expansion, it is characterized in that described metal rivet rod comprises corresponding anti-loose rivet clasp section outside the connecting hole of curtain wall panel, described anti-loose rivet clasp section surface is shaped with anticreep line, described riveting bolt also comprises adapter sleeve, the anti-loose rivet clasp section of interior boring ratio of described adapter sleeve is bigger, make adapter sleeve can freely be inserted in anti-loose rivet clasp section, and under the effect of instrument, compressing connected piece and the contraction of adapter sleeve endoporus packs tightly outside anti-loose rivet clasp section and forms the concavo-convex bore area matching with anti-loose rivet clasp section surface anticreep line simultaneously, formation is without the permanent connection of welding, described anti-loose rivet clasp section also has linkage section outward, for connecting described instrument,
Sleeve and expanding part are two of split independently elements, and described sleeve is working of plastics, and the middle part of sleeve outer wall and front portion have one or more axial groove.
2. a kind of high safety as claimed in claim 1 is cut end riveting bolt, it is characterized in that described expansion head is truncated cone, expanding part is round part, it has a plurality of expanding plates along circumferencial direction spread configuration, the shape of described expanding plate is expanded after head expansion it, between the bearing position in the side of substrate connecting hole is recessed and the taper seat of expansion head, is whole contact of adhering.
3. a kind of high safety as claimed in claim 1 is cut end riveting bolt, it is characterized in that being mixed with fiber in described working of plastics.
4. a kind of high safety as claimed in claim 1 is cut end riveting bolt, it is characterized in that being cut the hole of passing for metal rivet rod on the building appurtenance that end riveting bolt connected is slotted hole or circular hole or elongated slot; The front end of described adapter sleeve has flange collar or projection, described flange collar or projection are for when described adapter sleeve is pushed by described instrumental purpose the building appurtenance being tightly connected, be squeezed into the hole wall in the appendicular hole of passing for metal rivet rod of building and the gap between metal rivet rod, form jam-packed or interference fit, and building appurtenance is played to the positioning action that prevents slippage; And/or, the front end face of described adapter sleeve also has the concavo-convex location configuration coordinating with the appendicular lateral surface of the building being connected, when described adapter sleeve is pushed tight described building appurtenance by described instrumental purpose, by described concavo-convex location configuration, at the appendicular lateral surface of described building and adapter sleeve front end face, produce on-slip and coordinate, loosening further to prevent described building appurtenance.
5. a kind of high safety as claimed in claim 4 is cut end riveting bolt, it is characterized in that having in the front end flange collar of described adapter sleeve or projection with described building appurtenance on the hole wall in the hole of passing for metal rivet rod in the groove that matches of groove, when described flange collar or projection are clamp-oned the hole of passing for metal rivet rod, in described groove and hole wall, groove is inlayed, form jam-packed or interference fit, building appurtenance is played to the positioning action that prevents slippage.
6. the high safety of fire prevention is cut an end riveting bolt, it is characterized in that it has any one described in claim 1 to 5 and cuts the structure of end riveting bolt; The described end riveting bolt of cutting also comprises fireproofing and heat resistant cap, and described fireproofing and heat resistant calotte is exposed to outside the part of building outside appurtenance cutting end riveting bolt.
7. the appendicular syndeton of building, is characterized in that, described building appurtenance is connected piece, and connected piece ties to be connected on and need to install builds in appendicular substrate with cutting end riveting; Connected piece and substrate have respectively connecting hole, have the side coordinating with expanding part recessed in suprabasil connecting hole, it is characterized in that:
The described end riveting bolt of cutting comprises metal rivet rod, sleeve, expanding part, and expanding part is in the bottom of metal rivet rod or also at the middle part of metal rivet rod cover, has expanding part simultaneously, and described expanding part is recessed by the described side of expanding and stretching in suprabasil connecting hole; Described sleeve and expanding part are two of split independently elements, and described sleeve is working of plastics, and the middle part of sleeve outer wall and front portion have one or more axial groove.
Described metal rivet rod comprises corresponding anti-loose rivet clasp section outside the connecting hole of substrate, described anti-loose rivet clasp section surface is shaped with anticreep line, the described end riveting bolt of cutting also comprises adapter sleeve, the anti-loose rivet clasp section of interior boring ratio of described adapter sleeve is bigger, make adapter sleeve can freely be inserted in anti-loose rivet clasp section, and under the effect of instrument, compress connected piece and the contraction of adapter sleeve endoporus and pack tightly outside anti-loose rivet clasp section and form the concavo-convex bore area matching with anti-loose rivet clasp section surface anticreep line simultaneously, form the permanent connection without welding.
8. the appendicular syndeton of a kind of building as claimed in claim 7, it is characterized in that described expansion head is truncated cone, expanding part is round part, it has a plurality of expanding plates along circumferencial direction spread configuration, the shape of described expanding plate is expanded after head expansion it, between bearing position in the side of substrate connecting hole is recessed and the taper seat of truncated cone, be whole laminating, make bearing position be whole of adhering with the taper seat of expansion head with side shrinkage pool wall and contact, between the taper seat of bearing position and expansion and side shrinkage pool wall by closely knit.
9. the appendicular syndeton of a kind of building as claimed in claim 7, is characterized in that the appendicular hole of passing for metal rivet rod of described building is slotted hole or circular hole or elongated slot; The front end of described adapter sleeve has flange collar or projection, described flange collar or projection are when described adapter sleeve is pushed tight described building appurtenance by described instrumental purpose, be squeezed into by the hole wall in the appendicular hole of passing for metal rivet rod of building and the gap between metal rivet rod, form jam-packed or interference fit, and building appurtenance is played to the positioning action that prevents slippage; Or, the front end face of described adapter sleeve also has the concavo-convex location configuration coordinating with the appendicular lateral surface of building, build appendicular described lateral surface and also there is concavo-convex location configuration, at described adapter sleeve, by described instrumental purpose, pushed after tight described building appurtenance, the appendicular lateral surface of described building forms on-slip with the concavo-convex location configuration of adapter sleeve front end face and coordinates, loosening further to prevent described building appurtenance;
Or, when the front end of described adapter sleeve has described flange collar or projection, the hole wall in the hole of passing for metal rivet rod is with interior groove, in the front end flange collar of described adapter sleeve or projection, have with described hole wall in the groove that matches of groove, in described flange collar or projection, clamp-on behind the hole of passing for metal rivet rod, in described groove and hole wall, groove is inlayed, and forms jam-packed or interference fit, and building appurtenance is played to the positioning action that prevents slippage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320468894.8U CN203462624U (en) | 2013-08-01 | 2013-08-01 | Connecting structure for high-safety undercut riveting bolt and building appurtenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320468894.8U CN203462624U (en) | 2013-08-01 | 2013-08-01 | Connecting structure for high-safety undercut riveting bolt and building appurtenance |
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| Publication Number | Publication Date |
|---|---|
| CN203462624U true CN203462624U (en) | 2014-03-05 |
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|---|---|---|---|
| CN201320468894.8U Expired - Lifetime CN203462624U (en) | 2013-08-01 | 2013-08-01 | Connecting structure for high-safety undercut riveting bolt and building appurtenance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410261A (en) * | 2013-08-01 | 2013-11-27 | 斯泰科技（杭州）有限公司 | High-safety undercutting anchor bolt and connecting structure of building appurtenance |
-
2013
- 2013-08-01 CN CN201320468894.8U patent/CN203462624U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410261A (en) * | 2013-08-01 | 2013-11-27 | 斯泰科技（杭州）有限公司 | High-safety undercutting anchor bolt and connecting structure of building appurtenance |
| CN103410261B (en) * | 2013-08-01 | 2016-02-03 | 斯泰科技（杭州）有限公司 | A kind of high safety is cut end riveting bolt and builds appendicular syndeton |
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Effective date of registration: 20150116 Address after: 313200 Zhejiang province Deqing County Wukang Albert Road No. 80 Patentee after: Zhejiang Tolstoy new materials Polytron Technologies Inc Address before: 310020 triumph Road, Hangzhou, Zhejiang, 167-8, Jianggan District Patentee before: Tolstoy Technology (Hangzhou) Co. Ltd. |