CN103925266A - Large plastic plate matching structure based on cantilever buckles - Google Patents

Large plastic plate matching structure based on cantilever buckles Download PDF

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Publication number
CN103925266A
CN103925266A CN201410155360.9A CN201410155360A CN103925266A CN 103925266 A CN103925266 A CN 103925266A CN 201410155360 A CN201410155360 A CN 201410155360A CN 103925266 A CN103925266 A CN 103925266A
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CN
China
Prior art keywords
cover plate
buckle
structure based
confined planes
plastic rubber
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Pending
Application number
CN201410155360.9A
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Chinese (zh)
Inventor
俞平舟
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Baosteel Development Co Ltd
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Baosteel Development Co Ltd
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Publication date
Application filed by Baosteel Development Co Ltd filed Critical Baosteel Development Co Ltd
Priority to CN201410155360.9A priority Critical patent/CN103925266A/en
Publication of CN103925266A publication Critical patent/CN103925266A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a large plastic plate matching structure based on cantilever buckles. The large plastic plate matching structure comprises a cover plate (1) and a basal plate (2), the buckles (10) and cover plate turning edges (11) are arranged on the periphery of the cover plate at intervals, and the inner side wall of the basal plate is provided with clamping groove bosses (21) matched with the buckles and limiting bosses (20) used for supporting the cover plate turning edges. When the cover plate turning edges are turned to the upper portion of the side wall of the basal plate, the lower end faces of the cover plate turning edges abut against the top surfaces of the limiting bosses. Each clamping groove boss comprises a rectangular cavity (210) extending in the Z direction, the top surface of each limiting boss is a vertical limiting surface (201), and circumferential direction limiting surfaces (202) perpendicular to the vertical limiting surfaces are arranged at the upper ends of the vertical limiting surfaces. The limiting bosses are utilized, the clamping groove bosses are matched with the cover plate turning edges, and the buckles are used for multi-point horizontal surface matching; compared with an existing method that cover plate turning edges and grooves in the side wall of the basal plate are directly buckled and the turning edges directly abut against the bottom surface of the basal plate, better assembly stability is achieved.

Description

A kind of large-sized plastic rubber plate cooperating structure based on cantilever snaps
Technical field
The present invention relates to a kind of plastic cement products cooperating structure taking conventional cantilever snaps as basic joint form.Can be widely used in the detachable connection of big-and-middle-sized plate.
Background technique
Cantilever snaps is a kind of removable fasteners that plastic parts coordinates that is widely used in, formed by the buckle on cover plate flange and the groove being opened on substrate sidewall, when use by among the groove of the direct holding of flange buckle, cover plate flange lower along large size be resisted against with substrate bottom surface on, between flange and substrate for curved surface tilts to contact, therefore this dependence flange and substrate sidewall buckle and both large size against assembly method support stiffness not high, Assembly stability is also poor, easily causes assembly deflections.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of cooperation buckle structure applicable to big-and-middle-sized curved panel piece, can, guaranteeing to promote Assembly stability under detachable performance prerequisite, guarantee matched edges even transition, and be convenient to the later stage modify of mould.
The technological scheme that the present invention addresses the above problem is as follows:
A large-sized plastic rubber plate cooperating structure based on cantilever snaps, comprises cover plate and substrate, is arranged at intervals with buckle and cover plate flange along the week edge of described cover plate, it is characterized in that:
The madial wall of described substrate is provided with the draw-in groove boss that matches with buckle and for supporting the positive stop lug boss of cover plate flange, in the time that cover plate flange is folded on substrate sidewall, the lower end surface of cover plate flange compresses mutually with the end face of positive stop lug boss.
As preferred version, described buckle comprises leg-of-mutton buckle head and the buckle back side,
Described draw-in groove boss comprises the rectangular enclosure extending along Z-direction, one side of the relative buckle head of described rectangular enclosure has convex edge, lower surface and the Z-direction of described convex edge are perpendicular, and in the time that buckle holding is in rectangular enclosure, the upper-end surface of described buckle head is pressed on the fin of convex edge.
Further again, to join buckle head in process and put under in rectangular enclosure for the ease of turning, described draw-in groove boss end face and substrate sidewall junction are provided with inclined guide surface.
Further, in the time that buckle holding is in rectangular enclosure, the distance of the inwall of described rectangular enclosure and the buckle back side, side is preferably 0.7mm, avoids Assembly Interference.Interference distance between described buckle head and convex edge is preferably 0.3mm.While assembling to realize, be buckled in the level contact under appropriate deformed state, improve fitment stability.
Further, the end face of described positive stop lug boss is vertical confined planes, and the upper end of described vertical confined planes is provided with the circumferential confined planes perpendicular with vertical confined planes.This structure is the Z-direction to cover plate and circumferentially spacing in order to realization.Because vertical confined planes is vertical with stripping direction, by contacting with cover plate flange bottom surface notch the pressure that offsets, realize spacingly to cover plate Z-direction multiple spot horizontal support, eliminate originally directly contacting caused cooperation destabilization problems because of flange and bottom curved surface.
Described circumferential confined planes and substrate sidewall junction are provided with guide surface.Can be convenient to like this assembly process cover plate slips into.
Further, in the time that circumferential confined planes is parallel with cover plate side flanging, the distance between the two is 0.2mm.After installation, utilize the equidistant contact of multiple spot to guarantee two circumferential closely cooperating.
Compared with prior art, beneficial effect of the present invention is:
A, use positive stop lug boss, draw-in groove boss coordinate cover plate flange, buckle to implement multiple spot horizontal plane and coordinate, and the direct buckle of groove, flange and substrate bottom surface on cover plate flange and substrate sidewall directly have better Assembly stability against method.
B, be less than the surface of contact of prior art by reducing cover plate flange lower end and the area of contact of vertical confined planes, significantly reduce working surface, for later stage die debugging facilitates.
C, the present invention compensate the extended distance of cover plate flange by the vertical confined planes height of positive stop lug boss, the interval of positive stop lug boss arranges can shorten flange length, improves rigidity of support.In die debugging process, only need the vertical confined planes of multiple spot to carry out local crawl processing, just can realize matched edges height fall adjustment, compare original flange, bottom surface directly more efficient against method.
Brief description of the drawings
Fig. 1 is that the present invention assembles schematic diagram.
Fig. 2 is cover plate sectional perspective schematic diagram of the present invention.
Fig. 3 is the enlarged view of arrange plan view and the corresponding part of substrate of the present invention.。
Fig. 4 is the subassembly sectional view of Z-direction positive stop lug boss of the present invention and cover plate flange.
Fig. 5 is the stressed schematic diagram of Z-direction positive stop lug boss of the present invention and draw-in groove boss.
Fig. 6 is that cover plate flange of the present invention coordinates schematic diagram with positive stop lug boss.
Fig. 7 is that cover plate flange of the present invention is pressed on the cooperation schematic diagram on positive stop lug boss.
Fig. 8 is buckle of the present invention and the schematic diagram that coordinates of draw-in groove boss.
Fig. 9 is the generalized section that buckle of the present invention matches with draw-in groove boss.
Figure 10 is that the present invention contrasts schematic diagram with coordinating of prior art original structure.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail; described embodiment is the restriction to invention protection domain not; obviously, those of ordinary skill in the art obtain other embodiments under the prerequisite that does not need to pay creative work, and these all belong to protection scope of the present invention.
In conjunction with shown in Fig. 1 to Fig. 7, a kind of large-sized plastic rubber plate cooperating structure based on cantilever snaps, comprise cover plate 1 and substrate 2, week edge along described cover plate is arranged at intervals with buckle 10 and cover plate flange 11, the madial wall of described substrate is provided with the draw-in groove boss 21 that matches with buckle and for supporting the positive stop lug boss 20 of cover plate flange, in the time that cover plate flange is folded on substrate sidewall, the lower end surface of cover plate flange compresses mutually with the end face of positive stop lug boss.
In conjunction with Fig. 8 and Fig. 9, described buckle comprises leg-of-mutton buckle head 101 and the buckle back side 102, described draw-in groove boss comprises the rectangular enclosure 210 extending along Z-direction, one side of the relative buckle head of described rectangular enclosure has convex edge 212, lower surface and the Z-direction of described convex edge are perpendicular, in the time that buckle holding is in rectangular enclosure, the upper-end surface of described buckle head 101 is pressed on the fin of convex edge.Join buckle head in process and put under in rectangular enclosure for the ease of turning, described draw-in groove boss end face and substrate sidewall junction are provided with inclined guide surface 213.
In conjunction with Fig. 9, in the time that buckle holding is in rectangular enclosure, the distance of the inwall of described rectangular enclosure and the buckle back side, side is preferably 0.7mm, avoids Assembly Interference.Interference distance between described buckle head and convex edge is preferably 0.3mm.While assembling to realize, be buckled in the level contact under appropriate deformed state, improve fitment stability.
In conjunction with Fig. 6, the end face of described positive stop lug boss 20 is vertical confined planes 201, and the upper end of described vertical confined planes is provided with the circumferential confined planes 202 perpendicular with vertical confined planes.This structure is the Z-direction to cover plate and circumferentially spacing in order to realization.Because vertical confined planes is vertical with stripping direction, by contacting with cover plate flange bottom surface notch the pressure that offsets, realize spacingly to cover plate Z-direction multiple spot horizontal support, eliminate originally directly contacting caused cooperation destabilization problems because of flange and bottom curved surface.In design process, can increase boss height h1 according to substrate cavity depth appropriateness, compensate thus buckle extended distance, shorten jib-length, improve structure and connect rigidity.
For easy to assembly, described circumferential confined planes and substrate sidewall junction are provided with guide surface 203.
In conjunction with Fig. 7, in the time that circumferential confined planes is parallel with cover plate side flanging, the distance between the two is 0.2mm.After installation, utilize the equidistant contact of multiple spot to guarantee two circumferential closely cooperating
In conjunction with Fig. 5 and Figure 10, in the present invention, the vertical confined planes of positive stop lug boss is vertical with stripping direction, by contacting with cover plate flange bottom surface, realize spacingly to cover plate-Z-direction multiple spot horizontal support, eliminate originally directly contacting caused cooperation destabilization problems because of flange and bottom curved surface.In the present invention, positive stop lug boss, draw-in groove boss are intervally arranged, and draw the triangle force area on two tops in part formation one, further improve Z-direction and coordinate tightness.In design process, can increase vertical confined planes height according to substrate cavity depth appropriateness, compensate thus flanging extended distance, shorten flange length, improve rigidity of support.In die debugging process, only need the vertical confined planes of multiple spot to carry out local crawl processing, just can realize matched edges height fall adjustment, the direct buckle of groove, flange and the substrate bottom surface on cover plate flange and substrate sidewall directly has better more efficient against method compared to existing technology.

Claims (7)

1. the large-sized plastic rubber plate cooperating structure based on cantilever snaps, comprises cover plate (1) and substrate (2), is arranged at intervals with buckle (10) and cover plate flange (11) along the week edge of described cover plate, it is characterized in that:
The madial wall of described substrate is provided with the draw-in groove boss (21) that matches with buckle and for supporting the positive stop lug boss (20) of cover plate flange, in the time that cover plate flange is folded on substrate sidewall, the lower end surface of cover plate flange compresses mutually with the end face of positive stop lug boss.
2. the large-sized plastic rubber plate cooperating structure based on cantilever snaps according to claim 1, is characterized in that:
Described buckle comprises leg-of-mutton buckle head (101) and the buckle back side (102),
Described draw-in groove boss comprises the rectangular enclosure (210) extending along Z-direction, one side of the relative buckle head of described rectangular enclosure has convex edge (212), lower surface and the Z-direction of described convex edge are perpendicular, in the time that buckle holding is in rectangular enclosure, the upper-end surface of described buckle head (101) is pressed on the fin of convex edge.
3. the large-sized plastic rubber plate cooperating structure based on cantilever snaps according to claim 2, is characterized in that:
Described draw-in groove boss end face and substrate sidewall junction are provided with inclined guide surface (213).
4. according to the large-sized plastic rubber plate cooperating structure based on cantilever snaps described in claim 2 or 3, it is characterized in that:
In the time that buckle holding is in rectangular enclosure, the distance of the inwall of described rectangular enclosure and the buckle back side, side is 0.7mm, and the interference distance between described buckle head and convex edge is 0.3mm.
5. the large-sized plastic rubber plate cooperating structure based on cantilever snaps according to claim 1, is characterized in that:
The end face of described positive stop lug boss (20) is vertical confined planes (201), and the upper end of described vertical confined planes is provided with the circumferential confined planes (202) perpendicular with vertical confined planes.
6. the large-sized plastic rubber plate cooperating structure based on cantilever snaps according to claim 5, is characterized in that:
Described circumferential confined planes and substrate sidewall junction are provided with guide surface (203).
7. according to the large-sized plastic rubber plate cooperating structure based on cantilever snaps described in claim 5 or 6, it is characterized in that:
In the time that circumferential confined planes is parallel with cover plate side flanging, the distance between the two is 0.2mm.
CN201410155360.9A 2014-04-17 2014-04-17 Large plastic plate matching structure based on cantilever buckles Pending CN103925266A (en)

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* Cited by examiner, † Cited by third party
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CN105852921A (en) * 2015-02-05 2016-08-17 Obp医学公司 Illuminated surgical retractor
US10278572B1 (en) 2017-10-19 2019-05-07 Obp Medical Corporation Speculum
US10368733B2 (en) 2010-09-28 2019-08-06 Obp Medical Corporation Speculum
US10420538B2 (en) 2015-02-05 2019-09-24 Obp Medical Corporation Illuminated surgical retractor
US10512519B2 (en) 2018-02-20 2019-12-24 Obp Medical Corporation Illuminated medical devices
CN111140581A (en) * 2020-01-11 2020-05-12 苏州炬鸿通讯电脑科技有限公司 Flexible connector and lower insulating pad connecting structure based on buckle structure
US10687793B2 (en) 2017-07-18 2020-06-23 Obp Medical Corporation Minimally invasive no touch (MINT) procedure for harvesting the great saphenous vein (GSV) and venous hydrodissector and retractor for use during the MINT procedure
US10722621B2 (en) 2016-07-11 2020-07-28 Obp Medical Corporation Illuminated suction device
US10799229B2 (en) 2018-02-20 2020-10-13 Obp Medical Corporation Illuminated medical devices
USD904607S1 (en) 2019-05-07 2020-12-08 Obp Medical Corporation Nasal retractor
US10881387B2 (en) 2015-06-03 2021-01-05 Obp Medical Corporation Retractor
USD911521S1 (en) 2019-02-19 2021-02-23 Obp Medical Corporation Handle for medical devices including surgical retractors
US10939899B2 (en) 2015-06-03 2021-03-09 Obp Medical Corporation End cap assembly for retractor and other medical devices
US10952712B2 (en) 2015-06-03 2021-03-23 Obp Medical Corporation Retractor
US10959609B1 (en) 2020-01-31 2021-03-30 Obp Medical Corporation Illuminated suction device
US10966702B1 (en) 2020-02-25 2021-04-06 Obp Medical Corporation Illuminated dual-blade retractor
CN115140411A (en) * 2022-06-29 2022-10-04 Oppo广东移动通信有限公司 Flexible screen support

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JP2001124024A (en) * 1999-10-22 2001-05-08 Nippon Seiki Co Ltd Fixing strucrure of case member
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CN105852921A (en) * 2015-02-05 2016-08-17 Obp医学公司 Illuminated surgical retractor
US12089829B2 (en) 2015-02-05 2024-09-17 Obp Surgical Corporation Illuminated surgical retractor
US10420540B2 (en) 2015-02-05 2019-09-24 Obp Medical Corporation Illuminated surgical retractor
US10420538B2 (en) 2015-02-05 2019-09-24 Obp Medical Corporation Illuminated surgical retractor
US11197662B2 (en) 2015-02-05 2021-12-14 Obp Surgical Corporation Illuminated surgical retractor
US11439379B2 (en) 2015-02-05 2022-09-13 Obp Surgical Corporation Illuminated surgical retractor
US10939899B2 (en) 2015-06-03 2021-03-09 Obp Medical Corporation End cap assembly for retractor and other medical devices
US10952712B2 (en) 2015-06-03 2021-03-23 Obp Medical Corporation Retractor
US11622756B2 (en) 2015-06-03 2023-04-11 Obp Surgical Corporation End cap assembly for retractor and other medical devices
US10966699B2 (en) 2015-06-03 2021-04-06 Obp Medical Corporation Retractor
US10881387B2 (en) 2015-06-03 2021-01-05 Obp Medical Corporation Retractor
US11717374B2 (en) 2016-07-11 2023-08-08 Obp Surgical Corporation Illuminated suction device
US10722621B2 (en) 2016-07-11 2020-07-28 Obp Medical Corporation Illuminated suction device
US10687793B2 (en) 2017-07-18 2020-06-23 Obp Medical Corporation Minimally invasive no touch (MINT) procedure for harvesting the great saphenous vein (GSV) and venous hydrodissector and retractor for use during the MINT procedure
US11540817B2 (en) 2017-07-18 2023-01-03 Obp Surgical Corporation Minimally invasive no touch (MINT) procedure for harvesting the great saphenous vein (GSV) and venous hydrodissector and retractor for use during the mint procedure
US11253145B2 (en) 2017-10-19 2022-02-22 Obp Medical Corporation Speculum
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US10912455B2 (en) 2017-10-19 2021-02-09 Obp Medical Corporation Medical devices with battery removal
US10441155B2 (en) 2017-10-19 2019-10-15 Obp Medical Corporation Medical devices with battery removal
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US11744568B2 (en) 2018-02-20 2023-09-05 Obp Surgical Corporation Illuminated medical devices
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USD904607S1 (en) 2019-05-07 2020-12-08 Obp Medical Corporation Nasal retractor
CN111140581A (en) * 2020-01-11 2020-05-12 苏州炬鸿通讯电脑科技有限公司 Flexible connector and lower insulating pad connecting structure based on buckle structure
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US10966702B1 (en) 2020-02-25 2021-04-06 Obp Medical Corporation Illuminated dual-blade retractor
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Application publication date: 20140716