WO2022104811A1 - Expansion bolt extractor - Google Patents

Expansion bolt extractor Download PDF

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Publication number
WO2022104811A1
WO2022104811A1 PCT/CN2020/130970 CN2020130970W WO2022104811A1 WO 2022104811 A1 WO2022104811 A1 WO 2022104811A1 CN 2020130970 W CN2020130970 W CN 2020130970W WO 2022104811 A1 WO2022104811 A1 WO 2022104811A1
Authority
WO
WIPO (PCT)
Prior art keywords
expansion
sleeve
screw
support rod
expansion bolt
Prior art date
Application number
PCT/CN2020/130970
Other languages
French (fr)
Chinese (zh)
Inventor
王一然
Original Assignee
徐州欧百瑞智能设备有限公司
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 徐州欧百瑞智能设备有限公司 filed Critical 徐州欧百瑞智能设备有限公司
Publication of WO2022104811A1 publication Critical patent/WO2022104811A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same

Definitions

  • the invention relates to a puller for expansion bolts, which belongs to the field of hardware accessories.
  • the screws and expansion tubes of the existing expansion bolts are independent. When dismantling, the expansion tubes can be removed first, and then the bolts can be removed to form the overall removal of the expansion bolts. Since the expansion tubes are embedded in the drilled holes, In addition, the expansion tube is a round tube structure with smooth inner and outer walls. Whether it is clamping or other forms of clamping, it is difficult to form an effective force, lacking a force point, and it is difficult to disassemble.
  • an expansion bolt extractor of the present invention provides an expansion bolt extractor that can form a support clip on the inner wall of the expansion tube, and cooperate with the rotation of the screw to pull out the expansion tube as a whole.
  • an expansion bolt extractor of the present invention is realized as follows: an expansion bolt extractor of the present invention is composed of a screw rod, a hinge ear, a support rod, a sleeve, an expansion arm, an expansion ring, a slewing ring and a screw sleeve. It is placed at the end of the screw, the sleeve is a tubular structure, the inner and outer walls of the sleeve are provided with threads, the outer wall of the sleeve is provided with an annular protrusion, and a plurality of annular protrusions are opened on the annular protrusion.
  • the opening groove, the threaded sleeve is screwed on the screw, the slewing ring is rotatably placed on the threaded sleeve, a plurality of hinge ears are placed on the slewing ring at equal angles, and correspond to the opening grooves on the annular protrusion one by one, supporting One end of the rod is hingedly placed on the hinge ear, the expansion arm is placed on the other end of the support rod, the support rod is correspondingly placed in the opening groove, and the support rod and the sleeve are radially dimensioned along one end of the support rod to the other. One end gradually decreases.
  • the surface of the expansion arm is wrapped with a rubber layer.
  • the support rod can be supported and deflected by the expansion ring.
  • the number of the support rods is 6.
  • Fig. 1 is a schematic structural diagram of an expansion bolt remover according to the present invention.
  • FIG. 2 is a schematic structural diagram of an expansion bolt remover of the present invention in use.
  • screw (1) hinged ear (2), support rod (3), sleeve (4), expansion arm (5), expansion ring (6), slewing ring (7), screw sleeve ( 8), screw (9), expansion tube (10).
  • a kind of expansion bolt extractor of the present invention is achieved in this way: when in use, the nut on the expansion bolt is removed, the gasket is taken off, and the expansion ring (6) is rotated along the casing (4), so that the support The rod (3) can be retracted, and the plurality of expansion arms (5) can be retracted, and the expansion arms (5) are extended into the expansion tube (10), and the sleeve (4) is screwed to the screws of the expansion bolt (9), connect the screw (1) and the screw (9), and then rotate the expansion ring (6) to expand the support rod (3), and push the expansion arm (5) to fit the inner wall of the expansion tube (10).

Abstract

An extractor for extracting an expansion bolt relates to the field of hardware accessories The extractor is composed of a screw (1), a hinge lug (2), a support rod (3), a sleeve (4), an expansion arm (5), an expansion ring (6), a rotary ring (7) and a screw sleeve (8). An inner wall of an expansion pipe (10) is tightly attached, and the expansion bolt is pulled out by means of rotation and pulling so as to achieve the purpose of pulling out the expansion pipe of the expansion bolt and removing the expansion bolt. The extractor is simple to operate and is easy to use.

Description

一种膨胀螺栓拆拔器An expansion bolt remover 技术领域technical field
本发明一种膨胀螺栓拆拔器涉及一种膨胀螺栓拆拔使用的拆拔器，属于五金配件领域。The invention relates to a puller for expansion bolts, which belongs to the field of hardware accessories.
背景技术Background technique
现有的膨胀螺栓的螺钉、胀管是独立的，在进行拆除时，可以通过将胀管先拆除后，再将螺栓取出，形成膨胀螺栓的整体拆除，由于胀管内嵌在钻孔内，且胀管为圆管结构，内外壁光滑，无论是夹取还是其他形式的夹持，都难以形成有效的施力，缺少着力点，拆卸困难。The screws and expansion tubes of the existing expansion bolts are independent. When dismantling, the expansion tubes can be removed first, and then the bolts can be removed to form the overall removal of the expansion bolts. Since the expansion tubes are embedded in the drilled holes, In addition, the expansion tube is a round tube structure with smooth inner and outer walls. Whether it is clamping or other forms of clamping, it is difficult to form an effective force, lacking a force point, and it is difficult to disassemble.
技术解决方案technical solutions
为了改善上述情况，本发明一种膨胀螺栓拆拔器提供了一种能够对胀管内壁形成支撑卡夹，并配合螺杆旋转进行拉拔，将胀管整体拔出的膨胀螺栓拆拔器。In order to improve the above situation, an expansion bolt extractor of the present invention provides an expansion bolt extractor that can form a support clip on the inner wall of the expansion tube, and cooperate with the rotation of the screw to pull out the expansion tube as a whole.
本发明一种膨胀螺栓拆拔器是这样实现的：本发明一种膨胀螺栓拆拔器由螺杆，铰接耳，支撑杆，套管，扩张臂，扩展环，回转环和螺套组成，套管置于螺杆的端部，所述套管为管状结构，所述套管的内外壁均设置有螺纹，所述套管外壁设置有环状凸起，所述环状凸起上开有多个开口槽，螺套螺接置于螺杆上，回转环可旋转的置于螺套上，多个铰接耳等角度置于回转环上，且和环状凸起上的开口槽一一对应，支撑杆的一端铰接置于铰接耳上，扩张臂置于支撑杆的另一端上，所述支撑杆对应置于开口槽内，所述支撑杆和套管沿径向尺寸沿着支撑杆一端向另一端逐渐减小。An expansion bolt extractor of the present invention is realized as follows: an expansion bolt extractor of the present invention is composed of a screw rod, a hinge ear, a support rod, a sleeve, an expansion arm, an expansion ring, a slewing ring and a screw sleeve. It is placed at the end of the screw, the sleeve is a tubular structure, the inner and outer walls of the sleeve are provided with threads, the outer wall of the sleeve is provided with an annular protrusion, and a plurality of annular protrusions are opened on the annular protrusion. The opening groove, the threaded sleeve is screwed on the screw, the slewing ring is rotatably placed on the threaded sleeve, a plurality of hinge ears are placed on the slewing ring at equal angles, and correspond to the opening grooves on the annular protrusion one by one, supporting One end of the rod is hingedly placed on the hinge ear, the expansion arm is placed on the other end of the support rod, the support rod is correspondingly placed in the opening groove, and the support rod and the sleeve are radially dimensioned along one end of the support rod to the other. One end gradually decreases.
所述扩张臂表面包裹有橡胶层。The surface of the expansion arm is wrapped with a rubber layer.
所述支撑杆能够被扩展环支撑偏转。The support rod can be supported and deflected by the expansion ring.
所述支撑杆数量为6个。The number of the support rods is 6.
有益效果beneficial effect
一、能够和胀管内壁贴合，进行拉拔，将胀管整体拆卸拉拔。1. It can fit with the inner wall of the expansion tube, and pull it out, and the expansion tube can be disassembled and pulled out as a whole.
二、能够适用不同规格的膨胀螺栓，通用性强。2. It can be applied to expansion bolts of different specifications, with strong versatility.
附图说明Description of drawings
图1本发明一种膨胀螺栓拆拔器的结构示意图。Fig. 1 is a schematic structural diagram of an expansion bolt remover according to the present invention.
图2本发明一种膨胀螺栓拆拔器的使用时的结构示意图。FIG. 2 is a schematic structural diagram of an expansion bolt remover of the present invention in use.
附图中其中为：螺杆（1），铰接耳（2），支撑杆（3），套管（4），扩张臂（5），扩展环（6），回转环（7），螺套（8），螺钉（9），胀管（10）。Among the drawings are: screw (1), hinged ear (2), support rod (3), sleeve (4), expansion arm (5), expansion ring (6), slewing ring (7), screw sleeve ( 8), screw (9), expansion tube (10).
本发明的实施方式Embodiments of the present invention
[0008] 本发明一种膨胀螺栓拆拔器是这样实现的：使用时，将膨胀螺栓上的螺母拆除，垫片取下，将扩展环（6）沿着套管（4）回转，使得支撑杆（3）能够内收，并将多个扩张臂（5）内收，并将扩张臂（5）伸入至胀管（10）内，将套管（4）螺接在膨胀螺栓的螺钉（9）上，使得螺杆（1）和螺钉（9）连接，然后通过旋转扩展环（6），使得支撑杆（3）扩展，并推动扩张臂（5）和胀管（10）内壁贴合，选择螺套（8），使得螺套（8）沿着螺杆（1）轴向移动，进而拉动套管（4）沿着孔轴向移动，最终将胀管（10）拔除，达到拆卸膨胀螺栓的目的。A kind of expansion bolt extractor of the present invention is achieved in this way: when in use, the nut on the expansion bolt is removed, the gasket is taken off, and the expansion ring (6) is rotated along the casing (4), so that the support The rod (3) can be retracted, and the plurality of expansion arms (5) can be retracted, and the expansion arms (5) are extended into the expansion tube (10), and the sleeve (4) is screwed to the screws of the expansion bolt (9), connect the screw (1) and the screw (9), and then rotate the expansion ring (6) to expand the support rod (3), and push the expansion arm (5) to fit the inner wall of the expansion tube (10). , select the screw sleeve (8), so that the screw sleeve (8) moves axially along the screw (1), and then pulls the sleeve (4) to move axially along the hole, and finally pulls out the expansion tube (10) to achieve disassembly and expansion purpose of the bolt.

Claims (4)

  1. 一种膨胀螺栓拆拔器，其特征是：由螺杆，铰接耳，支撑杆，套管，扩张臂，扩展环，回转环和螺套组成，套管置于螺杆的端部，所述套管为管状结构，所述套管的内外壁均设置有螺纹，所述套管外壁设置有环状凸起，所述环状凸起上开有多个开口槽，螺套螺接置于螺杆上，回转环可旋转的置于螺套上，多个铰接耳等角度置于回转环上，且和环状凸起上的开口槽一一对应，支撑杆的一端铰接置于铰接耳上，扩张臂置于支撑杆的另一端上，所述支撑杆对应置于开口槽内，所述支撑杆和套管沿径向尺寸沿着支撑杆一端向另一端逐渐减小。An expansion bolt remover is characterized in that: it is composed of a screw rod, a hinged ear, a support rod, a sleeve, an expansion arm, an expansion ring, a slewing ring and a screw sleeve, the sleeve is placed at the end of the screw, and the sleeve It is a tubular structure, the inner and outer walls of the sleeve are provided with threads, the outer wall of the sleeve is provided with an annular protrusion, the annular protrusion is provided with a plurality of opening grooves, and the screw sleeve is screwed on the screw. , the slewing ring is rotatably placed on the screw sleeve, a plurality of hinge ears are placed on the slewing ring at equal angles, and correspond to the opening grooves on the annular protrusion one by one, and one end of the support rod is hinged on the hinge ear, expanding The arm is placed on the other end of the support rod, the support rod is correspondingly placed in the opening groove, and the radial dimension of the support rod and the sleeve gradually decreases along one end of the support rod to the other end.
  2. 根据权利要求1所述的一种膨胀螺栓拆拔器，其特征在于所述支撑杆能够被扩展环支撑偏转。An expansion bolt remover according to claim 1, wherein the support rod can be supported and deflected by the expansion ring.
  3. 根据权利要求1所述的一种膨胀螺栓拆拔器，其特征在于所述扩张臂表面包裹有橡胶层。An expansion bolt remover according to claim 1, characterized in that the surface of the expansion arm is wrapped with a rubber layer.
  4. 根据权利要求1所述的一种膨胀螺栓拆拔器，其特征在于所述支撑杆数量为6个。An expansion bolt remover according to claim 1, characterized in that the number of the support rods is 6.
PCT/CN2020/130970 2020-11-23 2020-11-24 Expansion bolt extractor WO2022104811A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011318523.2A CN112405439A (en) 2020-11-23 2020-11-23 Expansion bolt dismounting device
CN202011318523.2 2020-11-23

Publications (1)

Publication Number Publication Date
WO2022104811A1 true WO2022104811A1 (en) 2022-05-27

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WO (1) WO2022104811A1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932638A (en) * 1988-10-27 1990-06-12 Chen Tsun Ping Stepping type expansion bolt extracting gun
CN204076099U (en) * 2014-09-22 2015-01-07 国家电网公司 A kind of expansion bolt extracting tool
CN104626059A (en) * 2014-12-26 2015-05-20 中国核工业二三建设有限公司 Tool for drawing out expansion bolt
CN105033938A (en) * 2015-08-14 2015-11-11 国家电网公司 Novel expansion bolt extraction instrument
CN105215932A (en) * 2015-11-19 2016-01-06 江汉大学 A kind of expansion bolt cleaner
CN205703981U (en) * 2016-06-02 2016-11-23 苏州市职业大学 A kind of expansion bolt extracting tool
CN106425997A (en) * 2016-08-31 2017-02-22 姜军鹏 Removal device for metal expansion bolt
CN111761542A (en) * 2020-07-16 2020-10-13 温州市泰辅机械科技有限公司 Expansion bolt dismantling equipment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932638A (en) * 1988-10-27 1990-06-12 Chen Tsun Ping Stepping type expansion bolt extracting gun
CN204076099U (en) * 2014-09-22 2015-01-07 国家电网公司 A kind of expansion bolt extracting tool
CN104626059A (en) * 2014-12-26 2015-05-20 中国核工业二三建设有限公司 Tool for drawing out expansion bolt
CN105033938A (en) * 2015-08-14 2015-11-11 国家电网公司 Novel expansion bolt extraction instrument
CN105215932A (en) * 2015-11-19 2016-01-06 江汉大学 A kind of expansion bolt cleaner
CN205703981U (en) * 2016-06-02 2016-11-23 苏州市职业大学 A kind of expansion bolt extracting tool
CN106425997A (en) * 2016-08-31 2017-02-22 姜军鹏 Removal device for metal expansion bolt
CN111761542A (en) * 2020-07-16 2020-10-13 温州市泰辅机械科技有限公司 Expansion bolt dismantling equipment

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