CN110513371A - A kind of expansion connector - Google Patents

A kind of expansion connector Download PDF

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Publication number
CN110513371A
CN110513371A CN201910869530.2A CN201910869530A CN110513371A CN 110513371 A CN110513371 A CN 110513371A CN 201910869530 A CN201910869530 A CN 201910869530A CN 110513371 A CN110513371 A CN 110513371A
Authority
CN
China
Prior art keywords
connecting rod
movable block
expansion sleeve
expansion
bulge
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.)
Granted
Application number
CN201910869530.2A
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Chinese (zh)
Other versions
CN110513371B (en
Inventor
刘韦明
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.)
Guangzhou Huadu Le Sifu Technology Co Ltd
Original Assignee
Guangzhou Huadu Le Sifu Technology Co Ltd
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Filing date
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Application filed by Guangzhou Huadu Le Sifu Technology Co Ltd filed Critical Guangzhou Huadu Le Sifu Technology Co Ltd
Priority to CN201910869530.2A priority Critical patent/CN110513371B/en
Publication of CN110513371A publication Critical patent/CN110513371A/en
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Publication of CN110513371B publication Critical patent/CN110513371B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04Dowels 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
    • F16B13/06Dowels 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
    • F16B13/063Dowels 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004Joining sheets, plates or panels in abutting relationship

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention discloses a kind of expansion connectors, including expansion sleeve, movable block, compressed spring and connecting rod, expansion sleeve has an inner hole axially extended, movable block, compressed spring and connecting rod are arranged in expansion sleeve, expansion sleeve is equipped with the bulge for capableing of radial outward dilations, movable block is correspondingly arranged at the inner hole of bulge, the front end of connecting rod is abutted against with movable block, the rear end of connecting rod is stretched out outside expansion sleeve, the inner sidewall of expansion sleeve is disposed with the first positive stop lug boss and the second positive stop lug boss along axial direction, a grade stop is convexly equipped in the middle part of connecting rod, shelves stop is between the first positive stop lug boss and the second positive stop lug boss, compressed spring, which covers, outside connecting rod and to be placed between the first positive stop lug boss and shelves stop.The invention has the advantages that compared with the prior art: connecting rod of the invention resiliently designs, convenient that the laminate connecting with two blocks of side plates is packed between two blocks of vertical side plates.

Description

A kind of expansion connector
Technical field
The present invention relates to technical field of fastening more particularly to a kind of expansion connectors.
Background technique
Existing expansion connector generally comprises connecting rod and covers the expansion sleeve outside connecting rod, can be used for side plate The connection of (vertical plate) and laminate (level board).When installation, first expansion connector one end is packed into laminate, then by laminate along vertical It is directly close in side plate direction, it is packed into the other end of expansion connector in side plate.Existing expansion connector can not be perpendicular at two pieces The laminate connecting with two blocks of side plates is packed between straight side plate.
It is therefore desirable to be improved.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of expansion that connecting rod is resilient connection Part can be packed into the laminate connecting with two blocks of side plates between two blocks of vertical side plates.
To achieve the goals above, following technical solution is provided:
A kind of expansion connector, including expansion sleeve, movable block, compressed spring and connecting rod, expansion sleeve are in inside Empty tube structure, has an inner hole axially extended, and movable block, compressed spring and connecting rod are arranged in expansion sleeve Interior, expansion sleeve is equipped with the bulge for capableing of radial outward dilations, and movable block is correspondingly arranged at the inner hole of bulge, connects The front end of bar is abutted against with movable block, and the rear end of connecting rod is stretched out outside expansion sleeve, the inner sidewall of expansion sleeve along axial direction according to It is secondary to be provided with the first positive stop lug boss and the second positive stop lug boss, a grade stop is convexly equipped in the middle part of connecting rod, shelves stop is located at the first limit Between position boss and the second positive stop lug boss, compressed spring, which covers, outside connecting rod and to be placed between the first positive stop lug boss and shelves stop,
Imposing introversive steering force to the rear end of connecting rod can be such that connecting rod moves forward, the rear end of connecting rod hide into In the inner hole of expansion sleeve, connecting rod, which moves forward, pushes movable block Forward, and movable block makes bulge radial outward dilations.
Optionally, expansion sleeve includes the first noumenon and the second ontology of two pairings, the first noumenon and the second ontology Between be mutually interlocked or separate by buckle structure.
Optionally, the first noumenon and/or the second ontology are equipped with location hole, and the second ontology and/or the first noumenon correspondence are set There is the positioning inserted tooth matched with the location hole, positions the end of inserted tooth in hook, position the end insertion positioning hole of inserted tooth It is connected as one the first noumenon and the second ontology.
Optionally, bulge is equipped at least one expanding block that can be expanded outward, axis of the expanding block along expansion sleeve To extension, expanding block a side is connected with the side wall of bulge, and the remaining edge of expanding block is separated with the side wall of bulge.
Optionally, the inner hole of bulge is gradually reduced along movable block push-in direction.
Optionally, it is oblique to be equipped with the first guiding for the outer surface of movable block front region corresponding with expanding block inner sidewall Face, the inner sidewall of expanding block are correspondingly provided with the second guiding surface.
Optionally, it further includes built-in fitting, and the rear end of connecting rod is equipped with the head that is located by connecting for connecting with built-in fitting, The inside of built-in fitting has the accommodating cavity for accommodating the head that is located by connecting, and the front end of accommodating cavity is equipped with for blocking the head that is located by connecting Front panel, front panel is equipped with a positioning hole, which is made of macropore and aperture perforation, and macropore is for being located by connecting Head passes through, and the aperture of aperture and the diameter of connecting rod are adapted.
Optionally, the lateral wall of built-in fitting is equipped with the lines for increasing friction.
Optionally, be equipped with guide plate in the accommodating cavity of built-in fitting, a side of guide plate by macropore far from aperture towards The direction of aperture is obliquely inwardly extending.
After adopting the above structure, the invention has the advantages that compared with the prior art: the present invention by expansion connector When being mounted on laminate, the head that is located by connecting that need to only press connection rod rear end pushes connecting rod Forward, so that movable block is moved forward, makes swollen Swollen portion's radial dilatation swelling, without tools such as screwdrivers, is easily installed on laminate;Connecting rod resiliently designs, convenient The laminate connecting with two blocks of side plates is packed between two blocks of vertical side plates.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one expansion connector and built-in fitting of the embodiment of the present invention;
Fig. 2 is the schematic diagram of the section structure of one expansion connector of the embodiment of the present invention;
Fig. 3 is the decomposition diagram of one expansion connector of the embodiment of the present invention;
Fig. 4 is the diagrammatic cross-section that the bulge of one expansion connector of the embodiment of the present invention radially expands;
Fig. 5 is the scheme of installation 1 of one expansion connector of the embodiment of the present invention;
Fig. 6 is the scheme of installation 2 of one expansion connector of the embodiment of the present invention;
Fig. 7 is one expansion connector scheme of installation 3 of the embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawing.
Embodiment one, referring to Figure 1 to Figure 7, expansion connector provided by the invention include expansion sleeve 1, movable block 4, pressure Contracting spring 5 and connecting rod 2, expansion sleeve 1 are the tube structure of inner hollow, have an inner hole 10 axially extended, living Motion block 4, compressed spring 5 and connecting rod 2 are arranged in expansion sleeve 1, and expansion sleeve 1, which is equipped with, is capable of the swollen of radial outward dilations Swollen portion 11, movable block 4 are correspondingly arranged at the inner hole of bulge 11, and front end and the movable block 4 of connecting rod 2 abut against, connecting rod 2 Rear end stretch out outside expansion sleeve 1, the inner sidewall of expansion sleeve 1 is disposed with the first positive stop lug boss 101 and the along axial direction Two positive stop lug boss 102 are convexly equipped with cricoid shelves stop 20 in the middle part of connecting rod, and shelves stop 20 is located at 101 He of the first positive stop lug boss Between second positive stop lug boss 102,5 sets of compressed spring outside connecting rod and is being placed between the first positive stop lug boss 101 and shelves stop 20. Second positive stop lug boss 102 prevents the bullet backward under the active force of compressed spring 5 of connecting rod 2 for limiting to shelves stop 20 Out.
Referring to Fig. 4, imposing introversive steering force to the rear end of connecting rod can be such that connecting rod 2 moves forward, connecting rod 2 Rear end is hidden in the inner hole 10 of expansion sleeve 1, and connecting rod 2, which moves forward, pushes movable block 4 to move forward, and movable block 4 makes bulge 2 Radial outward dilations, swelling plank;After unclamping connecting rod 2, under the restoring force effect of compressed spring 5, the rear end of connecting rod 2 It can move backward and stretch out outside expansion sleeve 1.
Expansion sleeve include two pairings the first noumenon 1a and the second ontology 1b, the first noumenon 1a and the second ontology 1b it Between be mutually interlocked or separate by buckle structure.The first noumenon 1a and/or the second ontology 1b is equipped with location hole 12, the second ontology 1b And/or the first noumenon 1a is correspondingly provided with the positioning inserted tooth 13 matched with the location hole 12, the end of positioning inserted tooth 13 is in hook, The first noumenon 1a and the second ontology 1b are connected as one in the end insertion location hole 12 of positioning inserted tooth 13.
Bulge 11 is equipped at least one expanding block 110 that can be expanded outward, axis of the expanding block 110 along expansion sleeve 1 To extension, 110 a side of expanding block is connected with the side wall of bulge 11, the remaining edge of expanding block 110 and the side of bulge 11 Wall separation.In this embodiment, the quantity of expanding block 110 is 4, and the quantity of expanding block 110 may be arranged as 1,2,3 Or other suitable quantity.The outer wall of expanding block 110 is equipped with the lines for increasing skin-friction force, to increase frictional force.
The inner hole of bulge 11 is set as being pushed into the diminishing variable diameter hole in direction along movable block 4, outside 4 front of movable block Surface region corresponding with 110 position of expanding block is equipped with the first guiding surface 40, and the inner sidewall of expanding block 110 is correspondingly provided with the Two guiding surfaces 111, the first guiding surface 40 and the second guiding surface 111 are easy movable block 4 toward being pushed forward, while making swollen Expansion block 110 is easy to happen radial dilatation.
Further include built-in fitting 3 in the preferred embodiment of the present embodiment, the rear end of connecting rod 2 be equipped with for it is pre-buried What part 3 connected is located by connecting first 21.The inside of built-in fitting 3 have for accommodate be located by connecting first 21 accommodating cavity, accommodating cavity Front end be equipped with for block be located by connecting first 21 front panel 31, front panel 31 be equipped with a positioning hole, which is by big Hole 302 and the perforation composition of aperture 301, macropore 302 first 21 pass through for being located by connecting, and the aperture of aperture 301 is straight with connecting rod 2 Diameter is adapted.To be located by connecting when installation first 21 pass through macropore 302 protrude into cavity, connecting rod 2 moves to aperture from macropore 302 Make to be located by connecting at 301 and first 21 be stuck at the front panel 31 of built-in fitting 3.Obviously, even if without built-in fitting 3, the rear end of connecting rod 2 Portion directly connect with the mounting hole of side plate 01 also feasible.Built-in fitting 3 and be located by connecting first 21 cooperation, side plate 01 can be increased With the stability of laminate 02.
In further technical solution, the lateral wall of built-in fitting 3 is equipped with the lines 33 for increasing friction.
Guide plate 303, a side of guide plate 303 by macropore 302 far from aperture 301 are equipped in the accommodating cavity of built-in fitting 3 It is obliquely inwardly extending towards the direction of aperture 301.Guide plate 303 is set, be located by connecting first 21 be caught in built-in fitting 3 when play and lead To effect, be located by connecting first 21 remove built-in fitting 3 when, first 21 rebound of playing the role of helping to be located by connecting, be easily installed and Disassembly, being dismounted for multiple times.
Referring to figure 5 and figure 6, the installation process of expansion connector of the present invention is as follows:
1, it is punched on side plate 01 and laminate 02 in advance;
2, built-in fitting 3 is knocked in the mounting hole on side plate 01, expansion connector is put into laminate 02, it is fixed to press inward against Position connector 21, connecting rod 2 push movable block 4 to move forward, the bulge swelling plank of expansion sleeve;
3, the laminate 02 for installing expansion connector is leaned on into proximal panel 01, the head that is located by connecting is directed at the macropore of built-in fitting 3, laminate 02 moves forward close to side plate 01, and the head that is located by connecting slides in aperture along guide plate 303 from macropore, and make connecting rod is located by connecting first 21 It is stuck at the front panel of built-in fitting 3, laminate 02 can be mounted on side plate 01.
Referring to Fig. 7, when needing to be packed into one block of laminate 02 between two blocks of side plates 01, the installation in 02 two sides of laminate first Expansion connector is installed in hole respectively, laminate 02 is horizontally arranged, make the connecting rod of expansion connector with it is pre-buried on side plate 01 Part height alignment, by laminate 02 it is flat-pushing enter two blocks of side plates 01 between, connecting rod 2 resiliently design, allow laminate 02 without barrier Pass through with hindering, the head that is located by connecting of connecting rod is caught in built-in fitting, thus make laminate 02 be mounted and fixed on two blocks of side plates 01 it Between.When disassembly is desired, under the action of guide plate 303, connecting rod 2 is resilient, takes out laminate 02 without barrier, can be repeatedly Being dismounted for multiple times.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention Limitation.

Claims (9)

1. a kind of expansion connector, including expansion sleeve, movable block, compressed spring and connecting rod, expansion sleeve are inner hollow Tube structure, there is an inner hole axially extended, movable block, compressed spring and connecting rod are arranged in expansion sleeve, Expansion sleeve is equipped with the bulge for capableing of radial outward dilations, and movable block is correspondingly arranged at the inner hole of bulge, connecting rod Front end abutted against with movable block, the rear end of connecting rod is stretched out outside expansion sleeve, the inner sidewall of expansion sleeve along axial direction successively It is provided with the first positive stop lug boss and the second positive stop lug boss, a grade stop is convexly equipped in the middle part of connecting rod, shelves stop is located at the first limit Between boss and the second positive stop lug boss, compressed spring, which covers, outside connecting rod and to be placed between the first positive stop lug boss and shelves stop,
Imposing introversive steering force to the rear end of connecting rod can be such that connecting rod moves forward, and the rear end of connecting rod is hidden into expansion In the inner hole of casing, connecting rod, which moves forward, pushes movable block Forward, and movable block makes bulge radial outward dilations.
2. expansion connector according to claim 1, which is characterized in that expansion sleeve includes the first noumenon of two pairings With the second ontology, mutually it is interlocked or separates by buckle structure between the first noumenon and the second ontology.
3. expansion connector according to claim 2, which is characterized in that the first noumenon and/or the second ontology are equipped with positioning Hole, the second ontology and/or the first noumenon are correspondingly provided with the positioning inserted tooth matched with the location hole, position the end of inserted tooth in hook Shape, the end insertion positioning hole for positioning inserted tooth are connected as one the first noumenon and the second ontology.
4. expansion connector according to claim 1, which is characterized in that bulge, which is equipped at least one, to be expanded outward Expanding block, expanding block is connected along the axially extending of expansion sleeve, expanding block a side with the side wall of bulge, expanding block its Remaining edge is separated with the side wall of bulge.
5. expansion connector according to claim 4, which is characterized in that the inner hole of bulge along movable block push-in direction by It is tapered small.
6. expansion connector according to claim 5, which is characterized in that on the inside of the outer surface of movable block front and expanding block The corresponding region of wall is equipped with the first guiding surface, and the inner sidewall of expanding block is correspondingly provided with the second guiding surface.
7. expansion connector according to claim 1 to 6, which is characterized in that it further includes built-in fitting, connection The rear end of bar is equipped with the head that is located by connecting for connecting with built-in fitting, and the inside of built-in fitting has for accommodating the head that is located by connecting Accommodating cavity, the front end of accommodating cavity are equipped with the front panel for blocking the head that is located by connecting, and front panel is equipped with a positioning hole, the positioning Hole is made of macropore and aperture perforation, and macropore passes through for the head that is located by connecting, and the aperture of aperture is mutually fitted with the diameter of connecting rod It answers.
8. expansion connector according to claim 7, which is characterized in that the lateral wall of built-in fitting is equipped with for increasing friction Lines.
9. expansion connector according to claim 7, which is characterized in that be equipped with guide plate in the accommodating cavity of built-in fitting, lead The direction of a side towards aperture to plate by macropore far from aperture is obliquely inwardly extending.
CN201910869530.2A 2019-09-12 2019-09-12 Expansion connecting piece Active CN110513371B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910869530.2A CN110513371B (en) 2019-09-12 2019-09-12 Expansion connecting piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910869530.2A CN110513371B (en) 2019-09-12 2019-09-12 Expansion connecting piece

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CN110513371A true CN110513371A (en) 2019-11-29
CN110513371B CN110513371B (en) 2024-08-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111173821A (en) * 2020-01-22 2020-05-19 福建杜氏木业有限公司 Connecting piece
EP3835602A1 (en) * 2019-12-13 2021-06-16 Lusterful Science and Technology Co., Ltd. Expansion connector
CN113393782A (en) * 2021-06-04 2021-09-14 绍兴宏通广告有限公司 Firm shop signboard and installation process thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040213633A1 (en) * 2002-02-28 2004-10-28 Karl Guthrie Expansion bolt
CN202251762U (en) * 2011-08-29 2012-05-30 高喜 Tensioner
KR101198606B1 (en) * 2012-06-08 2012-11-09 윤형철 road guide plate product method
CN102900734A (en) * 2012-10-30 2013-01-30 浙江德清荣华家具有限公司 Furniture wall surface panel installation structure
WO2016019920A1 (en) * 2014-08-08 2016-02-11 杨东佐 Expansion fastening connection structure and connection method, and expansion fastening connection assembly
EP3406917A1 (en) * 2017-05-25 2018-11-28 Weiming Liu Expansion bolt kit and method for using the same
CN110145522A (en) * 2019-06-19 2019-08-20 广州花都区乐思富科技有限公司 A kind of expansion connector
CN110145520A (en) * 2019-06-19 2019-08-20 广州花都区乐思富科技有限公司 A kind of expansion connector
CN211901208U (en) * 2019-09-12 2020-11-10 广州花都区乐思富科技有限公司 Expansion connecting piece

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040213633A1 (en) * 2002-02-28 2004-10-28 Karl Guthrie Expansion bolt
CN202251762U (en) * 2011-08-29 2012-05-30 高喜 Tensioner
KR101198606B1 (en) * 2012-06-08 2012-11-09 윤형철 road guide plate product method
CN102900734A (en) * 2012-10-30 2013-01-30 浙江德清荣华家具有限公司 Furniture wall surface panel installation structure
WO2016019920A1 (en) * 2014-08-08 2016-02-11 杨东佐 Expansion fastening connection structure and connection method, and expansion fastening connection assembly
EP3406917A1 (en) * 2017-05-25 2018-11-28 Weiming Liu Expansion bolt kit and method for using the same
CN110145522A (en) * 2019-06-19 2019-08-20 广州花都区乐思富科技有限公司 A kind of expansion connector
CN110145520A (en) * 2019-06-19 2019-08-20 广州花都区乐思富科技有限公司 A kind of expansion connector
CN211901208U (en) * 2019-09-12 2020-11-10 广州花都区乐思富科技有限公司 Expansion connecting piece

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3835602A1 (en) * 2019-12-13 2021-06-16 Lusterful Science and Technology Co., Ltd. Expansion connector
CN111173821A (en) * 2020-01-22 2020-05-19 福建杜氏木业有限公司 Connecting piece
CN113393782A (en) * 2021-06-04 2021-09-14 绍兴宏通广告有限公司 Firm shop signboard and installation process thereof

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