CN204267465U - A kind of novel nine point type expansion anchors - Google Patents

A kind of novel nine point type expansion anchors Download PDF

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Publication number
CN204267465U
CN204267465U CN201420639238.4U CN201420639238U CN204267465U CN 204267465 U CN204267465 U CN 204267465U CN 201420639238 U CN201420639238 U CN 201420639238U CN 204267465 U CN204267465 U CN 204267465U
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CN
China
Prior art keywords
friction
expansion sleeve
salient points
place
expansion
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Active
Application number
CN201420639238.4U
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Chinese (zh)
Inventor
杨维锐
杨伟
孙新波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Xiang Rui fastening piece Co., Ltd
Original Assignee
SHANGHAI GUORUI FASTENER Co Ltd
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Priority to CN201420639238.4U priority Critical patent/CN204267465U/en
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Abstract

The utility model discloses a kind of novel nine point type expansion anchors, the outer wall place of every sheet arcuate friction sheet is distributed with three salient points from top to bottom successively, therefore the outer wall place of whole wiping expansion sleeve is divided into and is furnished with 9 salient points, product effectively increases the length of friction expansion sleeve, when making to install, arcuate friction sheet is easy to climb, greatly save the installation time, increase work efficiency.Friction expansion sleeve surface point upper, middle and lower three layers is divided into cloth 9 salient points, every layer of three salient point, and the technique effect achieved by it is, after installation, 1., by the expansion of three salient points in upper strata, get into concrete firmly, guarantee that elevator crab-bolt when daily running has reliable stability; 2., when crab-bolt is subject to earthquake or exceed design load power time, the expansion by three salient points in middle level is played and is strengthened limit force value, guarantees the Security of crab-bolt; 3. the effect of three salient points of lower floor prevents friction plate outside or rotation in mixed clay, is easy to the expansion of friction plate.

Description

A kind of novel nine point type expansion anchors
Technical field
The utility model relates to the technical field of expansion anchor, specifically a kind of nine point type expansion anchors that can use on low-grade concrete or under the operating mode of large aperture, particularly its mechanical connecting structure.
Background technique
At present, on market, screw type expansion anchor cannot tighten up on low-grade concrete or under the operating mode of large aperture, and it is long that existence exposes screw rod after tightening; There is the installation time longer simultaneously, affect working efficiency.What is more for hidden danger has been buried in the safe operation of equipment.
Summary of the invention
The purpose of this utility model is to provide a kind of novel nine point type expansion anchors, and adopt 9 point type friction expansion sleeve structures, the overall structure constructability of parts is installed, effectively improve working efficiency, moreover, multilayer multipoint mode salient point structure coordinates the friction expansion sleeve of long size can increase the adaptability of anchoring strength and product, overcomes the shortcoming and defect existed in prior art.
To achieve these goals, the technical solution of the utility model is: a kind of novel nine point type expansion anchors, comprise screw rod, one end of this screw rod is socketed with friction expansion sleeve, screw rod the other end outer wall place forms outside thread, this outside thread place is provided with plain washer successively, spring washer and nut, it is characterized in that: the jacket wall place of described friction expansion sleeve is equidistantly distributed with three road breach vertically, this three roads breach is all from friction expansion sleeve end, extend to friction expansion sleeve near middle section always, the segmentation of friction expansion sleeve one end is the circumference surrounded by three lobe arcuate friction sheets by this three roads breach, and this breach entirety is in shape with wide top and narrow bottom, notch part near friction expansion sleeve end is wider, notch part near friction expansion sleeve middle section is narrower, the end of arcuate friction sheet is hanging shape, the edge of this free end forms flange laterally, the outer wall place of every sheet arcuate friction sheet is distributed with three salient points from top to bottom successively, therefore the outer wall place of whole wiping expansion sleeve is divided into and is furnished with 9 salient points, three salient points of the superiors are distributed in wipes the outer wall place of expansion sleeve near upper end, three salient points in middle level are distributed in wipes the outer wall place of expansion sleeve near stage casing, undermost three salient points are distributed in wipes the outer wall place of expansion sleeve near lower end,
The utility model discloses a kind of novel nine point type expansion anchors, product effectively increases the length of friction expansion sleeve, and when making to install, arcuate friction sheet is easy to climb, and greatly saves the installation time, increases work efficiency.Meanwhile, cloth 9 salient points are divided into, every layer of three salient point in friction expansion sleeve surface point upper, middle and lower three layers, technique effect achieved by it is, after installation, 1. by the expansion of three salient points in upper strata, get into concrete firmly, guarantee that elevator crab-bolt when daily running has reliable stability; 2., when crab-bolt is subject to earthquake or exceed design load power time, the expansion by three salient points in middle level is played and is strengthened limit force value, guarantees the Security of crab-bolt; 3. the effect of three salient points of lower floor prevents friction plate outside or rotation in mixed clay, is easy to the expansion of friction plate.Total Product reasonable in design, is skillfully constructed, and has good practicability, stable working state, is easy to apply, and compared to existing technologies, has outstanding substantial effect and remarkable progress.
Accompanying drawing explanation
Fig. 1 is the utility model structure structural representation.
Fig. 2 is friction expansion sleeve structural representation.
Fig. 3 is the side view of Fig. 2.
Wherein:
1, rub expansion sleeve;
2, screw rod;
3, plain washer;
4, spring washer;
5, nut;
6, breach;
7, arcuate friction sheet;
8, salient point.
Embodiment
With reference to the accompanying drawings, the utility model is described further.
The utility model is a kind of novel nine point type expansion anchors, comprise screw rod 2, one end of this screw rod 2 is socketed with friction expansion sleeve 1, screw rod 2 the other end outer wall place forms outside thread, this outside thread place is provided with plain washer 3 successively, spring washer 4 and nut 5, it is different from prior art and is: the jacket wall place of described friction expansion sleeve 1 is equidistantly distributed with three road breach 6 vertically, this three roads breach 6 is all from friction expansion sleeve 1 end, extend to friction expansion sleeve 1 near middle section always, the segmentation of friction expansion sleeve 1 one end is the circumference surrounded by three lobe arcuate friction sheets 7 by this three roads breach 6, and this breach 6 entirety is in shape with wide top and narrow bottom, breach 6 near friction expansion sleeve 1 end is wider, breach 6 near friction expansion sleeve 1 middle section is narrower, the end of arcuate friction sheet 7 is hanging shape, the edge of this free end forms flange laterally, the outer wall place of every sheet arcuate friction sheet 7 is distributed with three salient points 8 from top to bottom successively, therefore the outer wall place of whole wiping expansion sleeve 1 is divided into and is furnished with 9 salient points, three salient points 8 of the superiors are distributed in wipes the outer wall place of expansion sleeve 1 near upper end, three salient points 8 in middle level are distributed in wipes the outer wall place of expansion sleeve 1 near stage casing, undermost three salient points 8 are distributed in wipes the outer wall place of expansion sleeve 1 near lower end,
In the specific implementation, described salient point 8 is Rhizoma Sparganii taper or cambered surface projection, and three salient points 8 in middle level are large size Rhizoma Sparganii taper, and three salient points 8 of lower floor are small size Rhizoma Sparganii taper, and three salient points 8 on upper strata are cambered surface projection.
In the specific implementation, the length of described friction expansion sleeve 1 is 15mm-27mm (comprising specification is M8 M10 M12 M16).
Product is mainly used in the installation of guide rail bracket of elevator and fixes, and on market, existing screw type expansion anchor cannot tighten up on low-grade concrete or under the operating mode of large aperture or there is potential safety hazard, and installation efficiency is not high; And adopt the screw type expansion anchor described in the art of this patent, the problem that cannot install under low-grade concrete or large aperture operating mode can be solved, and greatly improve installation efficiency.
On market, existing screw type expansion anchor cannot tighten up on low-grade concrete or under the operating mode of large aperture or there is potential safety hazard, and installation efficiency is not high; And adopt Novel screw type expansion anchor, the problem that cannot install under low-grade concrete or large aperture operating mode can be solved, and greatly improve installation efficiency.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that the utility model is specifically implemented to be confined to these explanations above-mentioned.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.

Claims (3)

1. novel nine point type expansion anchors, comprise screw rod (2), one end of this screw rod (2) is socketed with friction expansion sleeve (1), screw rod (2) the other end outer wall place forms outside thread, this outside thread place is provided with plain washer (3) successively, spring washer (4) and nut (5), it is characterized in that: the jacket wall place of described friction expansion sleeve (1) is equidistantly distributed with three road breach (6) vertically, this three road breach (6) is all from friction expansion sleeve (1) end, extend to friction expansion sleeve (1) near middle section always, this three road breach (6) will rub the segmentation of expansion sleeve (1) one end in the circumference surrounded by three lobe arcuate friction sheets (7), and this breach (6) entirety is in shape with wide top and narrow bottom, breach (6) portion near friction expansion sleeve (1) end is wider, breach (6) portion near friction expansion sleeve (1) middle section is narrower, the end of arcuate friction sheet (7) is hanging shape, the edge of this free end forms flange laterally, the outer wall place of every sheet arcuate friction sheet (7) is distributed with three salient points (8) from top to bottom successively, therefore the outer wall place of whole wiping expansion sleeve (1) is divided into and is furnished with 9 salient points, three salient points (8) of the superiors are distributed in wipes the outer wall place of expansion sleeve (1) near upper end, three salient points (8) in middle level are distributed in wipes the outer wall place of expansion sleeve (1) near stage casing, undermost three salient points (8) are distributed in wipes the outer wall place of expansion sleeve (1) near lower end.
2. a kind of novel nine point type expansion anchors according to claim 1, is characterized in that: described salient point (8) for described salient point (8) be Rhizoma Sparganii taper or cambered surface projection.
3. a kind of novel nine point type expansion anchors according to claim 1, is characterized in that: the length of described friction expansion sleeve (1) is 15mm-27mm.
CN201420639238.4U 2014-10-31 2014-10-31 A kind of novel nine point type expansion anchors Active CN204267465U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420639238.4U CN204267465U (en) 2014-10-31 2014-10-31 A kind of novel nine point type expansion anchors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420639238.4U CN204267465U (en) 2014-10-31 2014-10-31 A kind of novel nine point type expansion anchors

Publications (1)

Publication Number Publication Date
CN204267465U true CN204267465U (en) 2015-04-15

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CN201420639238.4U Active CN204267465U (en) 2014-10-31 2014-10-31 A kind of novel nine point type expansion anchors

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CN (1) CN204267465U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626642A (en) * 2016-03-04 2016-06-01 上海翔锐紧固件有限公司 Anti-seismic anchor bolt
CN109328270A (en) * 2016-06-29 2019-02-12 费希尔厂有限责任两合公司 Expansion anchor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626642A (en) * 2016-03-04 2016-06-01 上海翔锐紧固件有限公司 Anti-seismic anchor bolt
CN109328270A (en) * 2016-06-29 2019-02-12 费希尔厂有限责任两合公司 Expansion anchor

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170905

Address after: 201100 18, Lane 3003, Lane 591, Hongmei South Road, Shanghai, Minhang District

Patentee after: Shanghai Xiang Rui fastening piece Co., Ltd

Address before: 201711 No. 70 Li Xing Road, Baihe Town, Qingpu District, Shanghai, China

Patentee before: SHANGHAI GUORUI FASTENER CO., LTD.