CN203784049U - Locking type expansion bolt - Google Patents
Locking type expansion bolt Download PDFInfo
- Publication number
- CN203784049U CN203784049U CN201420083726.1U CN201420083726U CN203784049U CN 203784049 U CN203784049 U CN 203784049U CN 201420083726 U CN201420083726 U CN 201420083726U CN 203784049 U CN203784049 U CN 203784049U
- Authority
- CN
- China
- Prior art keywords
- bolt
- anchor bolts
- expansion
- outer tube
- locking
- 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
Links
- 239000002184 metal Substances 0.000 claims abstract description 25
- 230000007704 transition Effects 0.000 claims abstract description 5
- 238000012856 packing Methods 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 abstract description 4
- 229920001778 nylon Polymers 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229920002457 flexible plastic Polymers 0.000 description 2
- 239000011464 hollow brick Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Joints With Sleeves (AREA)
Abstract
The utility model provides a locking type expansion bolt. The locking type expansion bolt consists of a bolt, a bolt casing pipe, a nut and a gasket ring, wherein the edge of the back of the bolt head is a stressed ring surface; the interior of the stressed ring surface is transited to the bolt body through a wedge surface or an arc guide surface; the bolt casing pipe comprises a metal expanding pipe and an outer pipe which is in transition fit or interference fit with the metal expanding pipe; a plurality of axial opening grooves are formed in the expanding end of the metal expanding pipe; preferably, the outer pipe is made of plastic or nylon plastic with certain elasticity. According to the technical scheme, due to the fact that a dual-duct fastening structure and a fixing foundation are fixedly matched, the ideal technical effect of fastening and fixation can be achieved when the locking type expansion bolt is matched with various fixing foundations, and the locking type expansion bolt has multiple functions.
Description
Technical field
The utility model relates to EXPANSION ANCHOR BOLTS.
Background technique
The constituent elements of EXPANSION ANCHOR BOLTS comprises countersunk screw, expansion sleeve, nut and packing ring, and it is by screwing in nut process, and during the countersunk head part retraction of countersunk screw, expansion sleeve is expanded in support, makes itself and body of wall perforation press fixing.Because existing building body of wall is mostly framework and hollow brick masonry forms, EXPANSION ANCHOR BOLTS is in the swollen process of support diffusion, and hollow brick wall material is loose, easily fragmentary, and is difficult to make the EXPANSION ANCHOR BOLTS that supports expansion state to be anchored in body of wall, fixedly controls intensity difference.For this reason, " the clamping type EXPANSION ANCHOR BOLTS " of Chinese patent CN2009201557271, this technological scheme is that the fluting end of expansion sleeve is turned as much as possible, is attached to porthole around body of wall or metope, jointly afterburning with nut, clamping force is body of wall fixedly.But difference in diameter gap is larger between expansion sleeve and fixed hole, in operation and after complete operation, can rock because existing with body of wall perforation gap, cause the loosening phenomenon after fixing, fixed effect is also undesirable.In addition, existing various EXPANSION ANCHOR BOLTS only have fixed function, and purposes is single.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of locking EXPANSION ANCHOR BOLTS that can be applicable to all kinds of fixing bases and fixation.The locking EXPANSION ANCHOR BOLTS technological scheme that the utility model provides, its main technical content is: a kind of locking EXPANSION ANCHOR BOLTS, form and comprise bolt, bolt sleeve, nuts and washers, bolt bolt head back edge is the anchor ring of exerting pressure, exert pressure within anchor ring and transit to bolt key by wedge surface or arc guiding face, described bolt sleeve comprise expansion metal pipe and with the outer tube of expansion metal tube transitions or interference fit, the expansion end of expansion metal pipe is shaped with some axially grooved, and the external diameter of outer tube is not more than outer tube and the diameter of fixing perforation interference fit.Described outer tube wherein preferably by possessing quite flexible plastics, Nylon is made.
In above-mentioned overall technical architecture, described outer tube is to tail end large wedge taper gradually, the diameter that its maximum diameter is not more than and the perforation that is fixed excessively coordinates by bolt head end.
In above-mentioned overall technical architecture, described bolt is the siphunculus that is shaped with outside thread and bolt head, and siphunculus can be used as from a side electric wire etc. is worn to the pipeline perforating to opposite side, also can be flowing water pore.
The disclosed locking EXPANSION ANCHOR BOLTS of the utility model technological scheme, by two pass fastening structure and fixing base secure fit, and all can reach desirable fastening fixing technique effect on various fixing bases, and diverse in function.
Accompanying drawing explanation
Fig. 1 is three-dimensional structure diagram of the present utility model.
Fig. 2 is the three-dimensional structure diagram after outer tube partial cutaway.
Fig. 3 is broken section structural drawing of the present utility model.
Fig. 4 is that bolt is the structure sectional view of siphunculus.
Embodiment
The disclosed locking EXPANSION ANCHOR BOLTS of the utility model, as shown in the figure, forms and comprises bolt 1, bolt sleeve, nut 3 and packing ring 4, and nut 3 and bolt 1 screw-thread fit, be provided with packing ring 4 between bolt sleeve and nut.Bolt bolt head 10 back edge are the anchor ring 12 of exerting pressure, and the anchor ring 12 of exerting pressure is reduced to bolt key 11 by wedge surface or 13 transition of arc wedge shape guiding face.In the technical program, bolt sleeve has adopted expansion metal pipe 2 and outer tube 5 double-layer sleeve structures, by outer tube 5 and 2 transition of expansion metal pipe or interference fit, or is sealed and matched.The expansion end of expansion metal pipe 2 is shaped with some axially grooved.Expansion metal pipe 2 is when nut 3 screws, groove lobe is expanded, turns by 10 supports of bolt head, implements to grip fixation with packing ring 4, nut 3, and outer tube 5 fills and is fixed in fixing base perforation simultaneously, both actings in conjunction, make EXPANSION ANCHOR BOLTS and fixing base firm, stable fixing.
The fluting of the expansion metal pipe 2 in the present embodiment, by the full groove section 20 of front portion and the half groove section 21 at rear portion, formed, arranging of half groove 21 maintained on the one hand the due intensity of expansion metal pipe 2, also for groove lobe turns to still needing further to turn after full groove section 20, provides reserved expansion mouth.The expansion end of expansion metal pipe 2 is preferably shaped with wedge shape or the corresponding horn-like enlarging of arc wedge shape guiding face 13 with bolt head 10 backs in advance, can make bolt head 10 expand smoothly groove lobe pushing the starting stage.
The diameter of outer tube 5 is preferably definite like this, insert in fixing base perforation, preferably make interference fit between outer tube 5 and fixing perforation, make whole EXPANSION ANCHOR BOLTS tightly fill in and be engaged in fixing perforation through outer tube 5, require outer tube 5 external diameters to be not more than outer tube 5 and the diameter dimension of fixing the interference fit of boring a hole.Outer tube 5 is preferably made by materials such as possessing quite flexible plastics, Nylon, nylon rubber, allows to well be packed to and be anchored in fixing perforation.The bolt head end of outer tube 5 is provided with some axially open gaps, in the time of can turning expansion with expansion metal pipe 2, also has support to expand surplus.In order to facilitate practical operation, as shown in the figure, outer tube 5 is designed to by bolt head end to tail end large wedge taper gradually, and its tail end maximum diameter is not more than itself and the diameter dimension of the perforation interference fit that is fixed.
This EXPANSION ANCHOR BOLTS is inserted in fixing base perforation, and the gap between outer tube 5 filling expansion metal pipes 2 and perforation, preferably makes outer tube 5 fill in and be anchored in fixing perforation.Precession nut 3 gradually, bolt head 10 also pulls to expansion metal pipe 2 thereupon, the groove lobe of expansion metal pipe 2 along wedge shape or arc guiding face 13, be pressed anchor ring 12 and turn over, launch, if in the time of outside bolt head 10 and the groove lobe that the turns another side in fixing base, during nut 3 screws in, the anchor ring 12 of exerting pressure of bolt head 10 is attached on side, place groove lobe, and is clamped fixing; If during fixedly perforation inner chamber in fixing base of bolt head 10 and the groove lobe that turns, nut 3 screws in and forces groove lobe to be pushed along wedge shape or arc wedge shape guiding face 13 and spinning anchor ring 12 to turn gradually, and riveting enters in fixing base, finally coordinate with nut 3 and packing ring 4 jointly grip fixing.
The utility model can also be as fixedly penetrating the siphunculus of inserting fixing base, described bolt 1 is for being shaped with the siphunculus of outside thread and bolt head, described siphunculus can be used as from a side electric wire etc. is worn to the pipeline perforating to opposite side, also can be flowing water pore, tail end connecting tap or the water pipe of bolt 1, outwards diversion, the EXPANSION ANCHOR BOLTS of using as diversion, its outer tube 5 and expansion metal pipe 2 are for being sealed and matched.
Claims (10)
1. a locking EXPANSION ANCHOR BOLTS, form and comprise bolt (1), bolt sleeve, nut (3) and packing ring (4), bolt bolt head (10) back edge is the anchor ring of exerting pressure (12), exert pressure within anchor ring and transit to bolt key by wedge surface or arc guiding face, it is characterized in that described bolt sleeve comprise expansion metal pipe (2) and with the outer tube (5) of expansion metal tube transitions or interference fit, the expansion end of expansion metal pipe is shaped with some axially grooved, and the external diameter of outer tube is not more than the diameter of outer tube and fixing base perforation interference fit.
2. locking EXPANSION ANCHOR BOLTS according to claim 1, it is characterized in that outer tube be by bolt head end to tail end large wedge taper gradually, its maximum diameter perforation interference fit diameter that is not more than and is fixed.
3. locking EXPANSION ANCHOR BOLTS according to claim 1 and 2, is characterized in that the bolt head end of outer tube (5) is provided with some axially open gaps.
4. locking EXPANSION ANCHOR BOLTS according to claim 1 and 2, is characterized in that the fluting of expansion metal pipe (2) consists of the full groove section (20) of front portion and the half groove section (21) at rear portion.
5. locking EXPANSION ANCHOR BOLTS according to claim 3, is characterized in that the fluting of expansion metal pipe (2) consists of the full groove section (20) of front portion and the half groove section (21) at rear portion.
6. locking EXPANSION ANCHOR BOLTS according to claim 1 and 2, is characterized in that bolt (1) is for being shaped with the siphunculus of outside thread and bolt head.
7. locking EXPANSION ANCHOR BOLTS according to claim 3, is characterized in that bolt (1) is for being shaped with the siphunculus of outside thread and bolt head.
8. locking EXPANSION ANCHOR BOLTS according to claim 4, is characterized in that bolt (1) is for being shaped with the siphunculus of outside thread and bolt head.
9. locking EXPANSION ANCHOR BOLTS according to claim 6, is characterized in that outer tube (5) and expansion metal pipe (2) are sealed and matched.
10. locking EXPANSION ANCHOR BOLTS according to claim 8, is characterized in that outer tube (5) and expansion metal pipe (2) are sealed and matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083726.1U CN203784049U (en) | 2014-02-25 | 2014-02-25 | Locking type expansion bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083726.1U CN203784049U (en) | 2014-02-25 | 2014-02-25 | Locking type expansion bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784049U true CN203784049U (en) | 2014-08-20 |
Family
ID=51320241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420083726.1U Expired - Fee Related CN203784049U (en) | 2014-02-25 | 2014-02-25 | Locking type expansion bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203784049U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759949A (en) * | 2016-12-08 | 2017-05-31 | 上海通正铝业（昆山）航空科技有限公司 | A kind of novel aluminmm alloy structure gusset-type joint connecting structure |
| CN107269649A (en) * | 2017-07-18 | 2017-10-20 | 钱江重工有限公司 | A kind of jointing between steel section of jurisdiction |
| CN109070950A (en) * | 2016-04-21 | 2018-12-21 | 泽菲罗斯有限公司 | Tubular element sealing device |
| CN113668839A (en) * | 2021-08-10 | 2021-11-19 | 中建一局集团建设发展有限公司 | External scaffold wall connecting structure convenient for single-side installation and disassembly and construction method thereof |
| CN114562504A (en) * | 2022-02-28 | 2022-05-31 | 江苏省艾维德紧固件有限公司 | Combined bolt fastener with damping effect |
| CN116081094A (en) * | 2022-12-07 | 2023-05-09 | 辽沈工业集团有限公司 | Lead sealing and pin device suitable for automatic production |
-
2014
- 2014-02-25 CN CN201420083726.1U patent/CN203784049U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109070950A (en) * | 2016-04-21 | 2018-12-21 | 泽菲罗斯有限公司 | Tubular element sealing device |
| CN106759949A (en) * | 2016-12-08 | 2017-05-31 | 上海通正铝业（昆山）航空科技有限公司 | A kind of novel aluminmm alloy structure gusset-type joint connecting structure |
| CN107269649A (en) * | 2017-07-18 | 2017-10-20 | 钱江重工有限公司 | A kind of jointing between steel section of jurisdiction |
| CN113668839A (en) * | 2021-08-10 | 2021-11-19 | 中建一局集团建设发展有限公司 | External scaffold wall connecting structure convenient for single-side installation and disassembly and construction method thereof |
| CN114562504A (en) * | 2022-02-28 | 2022-05-31 | 江苏省艾维德紧固件有限公司 | Combined bolt fastener with damping effect |
| CN116081094A (en) * | 2022-12-07 | 2023-05-09 | 辽沈工业集团有限公司 | Lead sealing and pin device suitable for automatic production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20170225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |