WO2012167679A1 - Vis à expansion sous pression invisible - Google Patents

Vis à expansion sous pression invisible Download PDF

Info

Publication number
WO2012167679A1
WO2012167679A1 PCT/CN2012/075139 CN2012075139W WO2012167679A1 WO 2012167679 A1 WO2012167679 A1 WO 2012167679A1 CN 2012075139 W CN2012075139 W CN 2012075139W WO 2012167679 A1 WO2012167679 A1 WO 2012167679A1
Authority
WO
WIPO (PCT)
Prior art keywords
main body
body bolt
invisible
pressing
screw
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.)
Ceased
Application number
PCT/CN2012/075139
Other languages
English (en)
Chinese (zh)
Inventor
温少松
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2012167679A1 publication Critical patent/WO2012167679A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
    • F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
    • F16B13/066—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting a separate expander-part, actuated by the screw, nail or the like

Definitions

  • the invention relates to a fastening screw, in particular to a blasting fastening screw with an invisible pressing spring.
  • the blasting screw of the invention is suitable for installing a road bridge, a guardrail, a road column, a communication, a fire, a stadium seat, and a matching
  • the fastening works of electric facilities and steel frame structures are especially suitable for the installation of fastening thicker workpieces.
  • the prior art squeezing screw includes a screw, a nut, an expansion tube, a spring meson, and a flat pad.
  • the shape and structure of the blasting screw are as shown in FIG. 1 , the installation of the blasting screw is cumbersome, the pressing function is not strong enough, and the main screw cannot be repeated. After the use, whether after installation or after disassembly, the main screw will reveal a long screw head. If it is used to fix the traffic facilities such as the deceleration rubber board on the road surface, it will often pierce the car tires, causing the pedestrians to fall. Security risks.
  • the utility model patent of the Japanese Patent No. 201020575763.6 discloses a compacting shaft core type blasting screw.
  • the blasting screw sleeves a compression spring between the flat pad and the expansion tube, and its shape structure is as shown in FIG. 2 .
  • the squeezing screw of Fig. 2 has the pressing function, the main body screw can be used twice, but if it is used for fixing the hanging workpiece, it is easy to cause the pressing spring to catch the workpiece, if it is used for fixing the thickness After the disassembly, the expansion sleeve will still be exposed, and the flat environment will not be formed. As a result, the automobile tires which are often punctured as shown in Fig. 1 may cause the safety of the pedestrians falling down.
  • the technical problem to be solved by the present invention is to provide a squeezing screw which can hide the pressing spring in use state, can recirculate the main body bolt, and maintain a flat environment after disassembly.
  • An invisible pressing and squeezing screw comprises: a main body bolt, an expansion tube sleeved on the main body bolt; and a truncated cone-shaped expansion head spirally engaged with the external thread of the lower end of the main body bolt, and further comprises a movable sleeve with the main body bolt
  • An upper sleeve and a compression spring the upper sleeve is located at an upper portion of the expansion tube, the compression spring is disposed between the upper sleeve and the expansion tube, the main body bolt, the upper sleeve, and the compression
  • the spring, the expansion tube and the truncated expansion head are detachably connected together.
  • the pressing spring is located at any position between the upper sleeve and the expansion tube, since the upper sleeve is provided, it is ensured that the squeezing screw is in the installation state, and the pressing spring is not exposed to avoid jamming the workpiece. Since the main body bolt, the upper sleeve, the compression spring, the expansion tube and the truncated cone expansion head are detachably connected together, the blasting screw of the present invention only expands the compression spring, the expansion tube and the truncated cone after being disassembled. The head remains in the mounting hole, and the other main body bolts and upper casing can be taken out from the mounting hole, so that the flat environment can be maintained after disassembly, and the main body bolt can be repeatedly used twice.
  • the screw of the main body bolt has a stepped shape with a larger upper diameter and a smaller lower diameter, and the lower rod has an external thread that can be screwed with the internal thread of the truncated cone.
  • the stepped screw ensures that the upper end of the truncated-shaped expansion head can smoothly enter the expansion tube at the beginning of installation.
  • a stepped screw There are two ways to form a stepped screw, and the first is that the main body bolt is an integrally formed structure. Another formation solution is: sleeve an inner sleeve on the upper portion of the screw having a uniform diameter; the flat washer, the upper sleeve, the compression spring and the partial expansion tube are then sleeved over the inner sleeve.
  • a flat gasket is disposed between the main body bolt nut and the upper sleeve.
  • the main body bolt and the flat washer are integrally formed or the flat washer is sleeved on the main body bolt as a separate component.
  • the nut of the main body bolt has a hexagonal shape and a square shape. Round or spherical, with hexagonal grooves or cross recesses on the top, both in length and size.
  • the diameter of the expansion tube is larger than the outer diameter of the upper end of the truncated-shaped expansion head, but smaller than the outer diameter of the lower end of the truncated-shaped expansion head, and the middle and lower portions of the wall of the expansion tube have a plurality of radial slits.
  • the outer wall surface of the truncated cone expansion head is provided with a non-slip groove.
  • the squeezing screw of the present invention has the following beneficial technical effects: the pressing spring is hidden in the mounting hole, so that the workpiece is not caught in the case of having a strong pressing function.
  • the utility model is suitable for fastening installation of thick workpieces because of the structure of the main bolt, the upper sleeve, the compression spring, the expansion tube and the truncated cone expansion head. After disassembly, the main body bolt can be recycled and keep the installation site flat and green.
  • FIG. 1 is a schematic structural view of a squib in the prior art
  • Figure 2 is a schematic view showing the structure of another conventional squeezing screw which has recently appeared;
  • Figure 3 is a schematic view showing the overall structure of the first embodiment of the invisible pressing and squeezing screw of the present invention
  • Figure 4 is a plan view showing a first embodiment of the invisible pressing and squeezing screw of the present invention.
  • Fig. 5 is a schematic exploded view showing the invisible pressing and squeezing screw in the first embodiment of the present invention.
  • Figure 6 is a schematic view showing the overall structure of the second embodiment of the invisible pressing and squeezing screw of the present invention.
  • Figure 7 is a plan view showing a second embodiment of the invisible pressing and squeezing screw of the present invention.
  • Figure 8 is a schematic exploded view showing the invisible pressing and squeezing screw of the second embodiment of the present invention.
  • the invisible pressing and squeezing screw of the present invention comprises: a main body bolt 1, an upper sleeve 4 which is sleeved on the main body bolt 1 in order from top to bottom, and is pressed.
  • the compression spring 5 is located between the upper sleeve 4 and the expansion tube 2, and the compression spring 5 can be located anywhere between the upper sleeve and the expansion tube. Therefore, it is ensured that the pressing spring 5 in the use state is hidden in the mounting hole without catching the workpiece.
  • the main body bolt 1 , the upper sleeve 4 , the pressing spring 5 , the expansion tube 2 , and the truncated cone-shaped expansion head 3 are independent components, and the main body bolt 1 and the flat washer 7 are
  • the one-piece or flat pad 7 is a separate component that is sleeved on the body bolt 1 and that is removably attached to invisibly press the blast screw.
  • the removable structure makes the apparatus of the present invention particularly suitable for fastening installations of thicker workpieces, and the body bolts can be recycled and maintained in a flat environment after disassembly.
  • the diameter of the expansion tube 2 is larger than the outer diameter of the upper end of the truncated-shaped expansion head 3, but smaller than the outer diameter of the lower end of the truncated-shaped expansion head 3, and the middle and lower portions of the wall of the expansion tube 2 have a plurality of radial slits. .
  • the outer wall surface of the truncated cone-shaped expansion head 3 is provided with a non-slip groove.
  • the screw of the main body bolt 1 has a stepped shape with a larger upper diameter and a smaller lower diameter, and the lower rod has an external thread that can be screwed with the internal thread of the truncated cone-shaped expansion head 3.
  • Embodiment 1 The main body bolt 1 is an integrally formed structure, and the upper sleeve 4, the pressing spring 5, and the expansion tube 2 are sequentially sleeved on the upper part of the screw with a larger diameter of the main body bolt 1 and the expansion head 3 of the truncated cone shape
  • the internal thread is screwed with the external thread of the screw having a smaller diameter at the lower portion of the main body bolt 1, as shown in FIG.
  • the structure of the first embodiment is suitable for the case where the diameter of the screw of the main body bolt 1 is small, and the apparatus for processing the main body bolt 1 having the stepped screw at this time is not particularly required.
  • Embodiment 2 The stepped screw having a larger diameter and a lower diameter of the upper portion of the main body bolt 1 is formed by arranging an inner sleeve 6 on the upper portion of the screw having a uniform diameter, and the inner sleeve 6 is equal to the main body bolt 1
  • the diameter of the upper screw; the upper sleeve 4, the compression spring 5 and the partial expansion tube 2 are then overlaid onto the inner sleeve 6, the internal thread of the truncated cone-shaped expansion head 3 and the lower part of the main body bolt 1
  • the external thread is screwed together as shown in Figure 8.
  • the structure of the second embodiment is suitable for the case where the diameter of the screw of the main body bolt 1 is large.
  • the second embodiment uses an inner sleeve 6 to form a stepped screw.
  • a flat gasket 7 is disposed between the main bolt 1 and the upper sleeve 4, and the main bolt 1 and the flat gasket 7 may be integrally formed (see FIGS. 3 and 5). It is also possible that a separate component is sleeved on the body bolt 1 (Figs. 6 and 8).
  • the nut of the main body bolt 1 has a hexagonal shape or a square shape. Or the nut of the main body bolt 1 has a circular or spherical shape, and has a hexagonal groove or a cross recess at the top (see FIGS. 4 and 7).
  • the invention provides a blasting screw, and the pressing spring is hidden in the mounting hole, so as to ensure that the workpiece is not caught when the powerful pressing function is provided.
  • the utility model is suitable for fastening installation of thick workpieces because of the structure of the main bolt, the upper sleeve, the compression spring, the expansion tube and the truncated cone expansion head. After disassembly, the main body bolt can be recycled and can keep the installation site flat, green and environmentally friendly.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Bolts, Nuts, And Washers (AREA)

Abstract

L'invention concerne une vis à expansion sous pression invisible comprenant un boulon corps principal (1), un manchon (4), un ressort d'actionnement (5) et un tube à expansion (2) emmanchés successivement sur le boulon corps principal (1) et une tête à expansion ronde (3) correspondant en spirale aux filetages externes sur la partie inférieure du boulon corps principal (1) ; le ressort d'actionnement (5) étant situé entre le manchon supérieur (4) et le tube à expansion (2) ; et le boulon corps principal (1), le manchon supérieur (4), le ressort d'actionnement (5), le tube à expansion (2) et la tête à expansion ronde (3) étant reliés ensemble de façon amovible. Le ressort d'actionnement est caché dans un trou de montage par la vis à expansion sous pression invisible, et les pièces ne se bloquent pas ; la vis est particulièrement adaptée au processus de montage pour la fixation de pièces plus épaisses ; et après avoir enlevé la vis à expansion sous pression invisible, le boulon corps principal de celle-ci peut être recyclé, la zone de montage ne contient pas de parties qui dépassent, et la vis est écologique.
PCT/CN2012/075139 2011-06-10 2012-05-07 Vis à expansion sous pression invisible Ceased WO2012167679A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110155650.X 2011-06-10
CN 201110155650 CN102182737B (zh) 2011-06-10 2011-06-10 隐形紧压拉爆螺丝

Publications (1)

Publication Number Publication Date
WO2012167679A1 true WO2012167679A1 (fr) 2012-12-13

Family

ID=44569007

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/075139 Ceased WO2012167679A1 (fr) 2011-06-10 2012-05-07 Vis à expansion sous pression invisible

Country Status (2)

Country Link
CN (1) CN102182737B (fr)
WO (1) WO2012167679A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108386611A (zh) * 2018-04-04 2018-08-10 南京知行管业有限公司 一种灶具连接管的管体固定装置
CN109458388A (zh) * 2019-01-16 2019-03-12 贵州航太精密制造有限公司 一种隐身螺栓
CN109632476A (zh) * 2018-11-22 2019-04-16 四川临界自动化设备有限公司 一种螺丝受力测试的连接结构
CN114576253A (zh) * 2022-02-23 2022-06-03 仲粉扣 一种无痕隐藏式紧固件
CN115137536A (zh) * 2022-09-05 2022-10-04 艾柯医疗器械(北京)股份有限公司 一种珠串状部件、包含其的支架输送系统和支架系统
CN116816787A (zh) * 2023-08-15 2023-09-29 山东奥邦机械设备制造有限公司 化学锚栓、膨胀锚栓、路面设施安装方法及路面维修方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102182737B (zh) * 2011-06-10 2013-06-19 温少松 隐形紧压拉爆螺丝
CN105351311B (zh) * 2015-12-16 2017-09-12 吴中区光福正宏园艺场 一种膨胀螺栓
DE102016125201A1 (de) * 2016-12-21 2018-06-21 Ludwig Hettich Holding Gmbh & Co. Kg System zum Fügen oder Armieren von Bauteilen
EP3477125A1 (fr) * 2017-10-25 2019-05-01 HILTI Aktiengesellschaft Ancre d'expansion comportant des parois de butée de manchon
EP3584453A1 (fr) * 2018-06-20 2019-12-25 HILTI Aktiengesellschaft Cheville à expansion comprenant un évidement non axisymétrique
CN109372216A (zh) * 2018-12-05 2019-02-22 北京凯盛建材工程有限公司 一种免龙骨外墙装饰板安装构件及其安装方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3538808A (en) * 1967-11-13 1970-11-10 Artur Fischer Expansion anchor
US4122753A (en) * 1975-08-13 1978-10-31 Hilti Aktiengesellschaft Expansion anchor assembly including an interconnecting device
DE2730618A1 (de) * 1977-07-07 1979-01-18 Heinrich Liebig Formschluessig setzbarer duebel
GB2094919A (en) * 1981-03-18 1982-09-22 Itt Expansion anchor bolt
US4484848A (en) * 1981-05-27 1984-11-27 Hilti Aktiengesellschaft Expansion dowel assembly
CN201818611U (zh) * 2010-10-25 2011-05-04 曾小奕 一种紧压抽芯式拉爆螺丝
CN102182737A (zh) * 2011-06-10 2011-09-14 温少松 隐形紧压拉爆螺丝

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0446211A (ja) * 1990-06-06 1992-02-17 Shinjiyou Seisakusho:Yugen ばね付きアンカーボルト
CN101765348B (zh) * 2008-12-25 2014-03-26 富准精密工业(深圳)有限公司 扣合装置组合
CN202082227U (zh) * 2011-06-10 2011-12-21 温少松 隐形紧压拉爆螺丝

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3538808A (en) * 1967-11-13 1970-11-10 Artur Fischer Expansion anchor
US4122753A (en) * 1975-08-13 1978-10-31 Hilti Aktiengesellschaft Expansion anchor assembly including an interconnecting device
DE2730618A1 (de) * 1977-07-07 1979-01-18 Heinrich Liebig Formschluessig setzbarer duebel
GB2094919A (en) * 1981-03-18 1982-09-22 Itt Expansion anchor bolt
US4484848A (en) * 1981-05-27 1984-11-27 Hilti Aktiengesellschaft Expansion dowel assembly
CN201818611U (zh) * 2010-10-25 2011-05-04 曾小奕 一种紧压抽芯式拉爆螺丝
CN102182737A (zh) * 2011-06-10 2011-09-14 温少松 隐形紧压拉爆螺丝

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108386611A (zh) * 2018-04-04 2018-08-10 南京知行管业有限公司 一种灶具连接管的管体固定装置
CN109632476A (zh) * 2018-11-22 2019-04-16 四川临界自动化设备有限公司 一种螺丝受力测试的连接结构
CN109458388A (zh) * 2019-01-16 2019-03-12 贵州航太精密制造有限公司 一种隐身螺栓
CN114576253A (zh) * 2022-02-23 2022-06-03 仲粉扣 一种无痕隐藏式紧固件
CN114576253B (zh) * 2022-02-23 2024-04-16 仲粉扣 一种无痕隐藏式紧固件
CN115137536A (zh) * 2022-09-05 2022-10-04 艾柯医疗器械(北京)股份有限公司 一种珠串状部件、包含其的支架输送系统和支架系统
CN116816787A (zh) * 2023-08-15 2023-09-29 山东奥邦机械设备制造有限公司 化学锚栓、膨胀锚栓、路面设施安装方法及路面维修方法

Also Published As

Publication number Publication date
CN102182737B (zh) 2013-06-19
CN102182737A (zh) 2011-09-14

Similar Documents

Publication Publication Date Title
WO2012167679A1 (fr) Vis à expansion sous pression invisible
CN104653574B (zh) 可拆卸双锁紧铆接拆卸方法及拉铆钉
CN110792680A (zh) 一种螺栓组件
CN205651283U (zh) 一种拔销器
CN101825130A (zh) 易拆卸膨胀螺栓
WO2013000340A1 (fr) Boulon à expansion et douille à expansion anti-glissement pour ce boulon
CN103541982A (zh) 一种嵌套式单边螺栓紧固件
CN103225642A (zh) 内迫顶出型防松防滑膨胀螺栓
CN202158046U (zh) 可拆卸膨胀螺栓
CN201486127U (zh) 爬升脚手架预埋式附着装置
CN203098537U (zh) 一种防盗螺栓
CN201588356U (zh) 附有背栓式吊挂件的玻璃纤维增强石膏板
CN204572659U (zh) 一种松不脱螺丝
CN204868690U (zh) 螺栓紧固工具
CN202082227U (zh) 隐形紧压拉爆螺丝
CN211039311U (zh) 一种拆卸方便的新型膨胀螺栓
CN202082229U (zh) 孔连接定位安装基面及安装结构
CN102764977B (zh) 橡胶软管硬芯脱芯方法及其脱芯机
CN107745361A (zh) 磁悬浮鼓风机机壳中具有顶丝孔工件的装卸工装
CN201386717Y (zh) 易拆卸膨胀螺栓
CN104948559A (zh) 防拆卸式螺杆螺母
CN2711307Y (zh) 一种活动式穿墙螺栓装置
CN224033347U (zh) 一种高强度堵头
CN206306074U (zh) 拆卸装置
CN102284597A (zh) 一种带有固定装置的凸模

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12796786

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12796786

Country of ref document: EP

Kind code of ref document: A1