CN106002820B

CN106002820B - Drawing-aid device

Info

Publication number: CN106002820B
Application number: CN201610324636.0A
Authority: CN
Inventors: 陶红旗
Original assignee: Shanghai Source Mdt Infotech Ltd
Current assignee: Suzhou Yuanzhong System Technology Co ltd
Priority date: 2016-05-17
Filing date: 2016-05-17
Publication date: 2018-02-23
Anticipated expiration: 2036-05-17
Also published as: CN106002820A

Abstract

The present invention discloses a kind of drawing-aid device, there is a rotatable base shaft（300）, a handle（400）, a sliding bar（500）, an anti-rock holder（600）, a spring washer（700）；Described rotatable base shaft（300）One end on have a bayonet socket（310）, an anti-rock holder mounting hole（320）；Described sliding bar（500）It is enclosed on described crossbeam（330）It can be reciprocatingly slided above and vertically thereon；Described anti-rock holder（600）On have a cylinder projection（610）, the endoporus of the projection（611）For pcb board（900）Mounting hole, whole device is by the hole with screw（800）It is mounted on pcb board（900）On, the column outer rim of the projection（612）Then it is used for whole anti-rock holder（600）It is installed on described rotatable base shaft（300）On；Described spring washer（700）Also it is enclosed on the column outer rim of projection（612）On, to eliminate anti-rock holder（600）With rotatable base shaft（300）Between gap；The present invention can prevent from rocking, sound construction, use reliable, the easy installation and removal of energy.

Description

Drawing-aid device

Technical field

The present invention relates to a kind of aid of communication machine box, and in particular to a kind of PCB plug-in card classes for supporting hot plug help Pull out device.

Background technology

In current communication devices casing structure during the pluggable PCB plug-in cards such as ATCA, board and backboard to patch PIN a lot, Plug is difficult, it is necessary to which, with drawing-aid device, general one piece of board is matched somebody with somebody a pair.Main flow pulling aid on Vehicles Collected from Market as shown in figure 1, including Spanner portions（2）, handle portion（1）And thrust control device（10）, spanner portions（2）And handle portion（1）For split-type structural, pull Hand（2）With panel of the board（4）Rotation connection, so that spanner portions（2）Can be relative to panel of the board（4）Rotation, spanner portions （2）With handle portion（1）Rotation connection, so that handle portion（1）Can be relative to spanner portions（2）Rotation, spanner portions（2）Including Bayonet socket end（2A）With spanner connection end（2B）, bayonet socket end（2A）Provided with bayonet socket（211）, bayonet socket（211）It is stuck on cabinet, hand Shank（1）Including handle attachment end（1A）And handle end（1B）, handle end（1B）For exerting a force, spanner connection end（2B）With Handle attachment end（1A）Junction set thrust control device（10）, thrust control device（10）For limiting handle portion（1） With respect to spanner portions（2）Relative motion.

This kind of drawing-aid device has that structure is excessively complicated, and cost is too high, and structure is insecure during use, the defects of easily rocking.

The content of the invention

In order to provide a kind of simplified structure, operationally reliable device, the present invention provides a kind of drawing-aid device.The technology of the present invention Scheme is：There are a rotatable base shaft, a handle, a sliding bar, an anti-rock holder, a spring washer；Described There are a bayonet socket, an anti-rock holder mounting hole on one end of rotatable base shaft, in the other end equipped with the hand described in one Handle, this both ends are connected by a crossbeam, and a groove is provided with described crossbeam, back-moving spring is provided with this groove； Described sliding bar is enclosed on described crossbeam and can reciprocatingly slided vertically thereon, and on the sliding bar and described Anti-rock holder mounting hole homonymy, is provided with a latch hook；There is a cylinder projection on described anti-rock holder, this is convex The endoporus of block is pcb board mounting hole, and whole device is mounted on pcb board by the hole with screw, outside the column of the projection Edge is then used to for whole anti-rock holder to be installed on described rotatable base shaft, and described spring washer is also enclosed on the post of projection In shape outer rim, to eliminate the gap between anti-rock holder and rotatable base shaft.

Limited as one kind, a region for being used for pad pasting is provided with described sliding bar, can be determined according to customer requirement The pad pasting of seal carving word is simultaneously attached in the region.

It is of the invention to be using the beneficial effect of above technical scheme：

Drawing-aid device is designed with replaceable pad pasting, can be customized according to different market demands, this drawing-aid device contains cunning Motivation structure, is built-in with spring mechanism, can efficiently, safety shake-ups PCB Micro-touch switch, and completion drawing-aid device fixation；This Drawing-aid device is designed with the mechanism for preventing from rocking, and overall structure, using strengthening designing, overall structure is firm, and use reliability is high； This drawing-aid device easy installation and removal, a pair of drawing-aid devices can realize PCB plug-in cards, the plug of fast power-saving at any time.

Brief description of the drawings

Fig. 1 is the structural representation of existing drawing-aid device；

Fig. 2 is the structural representation of the present invention；

Fig. 3,4,5 are each modular construction schematic diagrames of the present invention；

Fig. 6 is the application state figure of the present invention.

In figure, 1 handle portion, 2 spanner portions, 10 thrust control devices, 4 panels of the board, 2A bayonet sockets end, 2B spanners connection end, 211 bayonet sockets, 1A handle attachment ends, 1B handle ends, 300 rotatable base shafts, 400 handles, 500 sliding bars, the clamping of 600 anti-rocks Part, 700 spring washers, 310 bayonet sockets, 320 anti-rock holder mounting holes, 330 crossbeams, 331 grooves, 332 back-moving springs, 510 latch hooks, 610 cylinder projections, 611 endoporus, 612 column outer rims, 613 holding tanks, 340 connecting portions, 520 label areas, 800 screws, 900 PCB Plate.

Embodiment

As shown in Fig. 2 drawing-aid device of the present invention have rotatable 400, one, the handle of base shaft 300, one sliding bar 500, One anti-rock holder, 600, spring washers 700；As shown in figure 4, there is a card on one end of described rotatable base shaft 300 310, anti-rock holder mounting holes 320 of mouth, in the other end equipped with the handle 400 described in one, this both ends is by a horizontal stroke Beam 330 is connected, and a groove 331 is provided with described crossbeam 330, back-moving spring 332 is provided with this groove；Such as Fig. 5 Shown, described sliding bar 500 is enclosed on described crossbeam 330 and can reciprocatingly slided vertically thereon, and in the sliding bar On 500, with the described homonymy of anti-rock holder mounting hole 320, be provided with a latch hook 510；As shown in figure 3, described is anti- Rocking has a cylinder projection 610 on holder 600, the endoporus 611 of the projection is pcb board mounting hole, and whole device passes through this Hole is mounted on pcb board with screw, and the column outer rim 612 of the projection is then used to install whole anti-rock holder 600 In in described rotatable base shaft 300, there is a holding tank 613 on the holder, when described rotatable base shaft 300 is prized During dynamic pcb board, the connecting portion 340 between its bayonet socket 310 and crossbeam 330 can rotate rotatable to limit in the holding tank 613 Base shaft 300 is rocked；And described spring washer 700 is also enclosed in the column outer rim 612 of projection, to eliminate anti-rock holder 600 With the gap between rotatable base shaft 300.

As shown in figure 5, being limited as a kind of, a label area for being used for pad pasting is provided with described sliding bar 500 520, the pad pasting label of lettering can be customized according to customer requirement and is attached in the region.

As shown in fig. 6, using when, the present apparatus is fixed on pcb board 900 with screw 800, described bayonet socket 310 is stuck in On the clamp of cabinet, the present apparatus is locked on cabinet by sliding bar 500 in the presence of back-moving spring 332 by latch hook 510, so as to So that the present apparatus will not extract pcb board 900 because of false touch；When needing to extract pcb board 900, as long as then first will be sliding with hand Lever 500 furthers to handle 400, then prizes lifting handle 400.

Above-mentioned embodiment is exemplary, is to preferably make skilled artisans appreciate that originally Patent, it is impossible to be not understood as the limitation for including scope to this patent；As long as technical scheme is made according to disclosed in this patent The substantially identical or equivalent any change or modification of technology contents, each fall within the scope that this patent includes.

Claims

1. a kind of drawing-aid device, there is a rotatable base shaft（300）, a handle（400）, it is characterised in that：Also one slip Bar（500）, an anti-rock holder（600）, a spring washer（700）；Described rotatable base shaft（300）One end on have one Individual bayonet socket（310）, an anti-rock holder mounting hole（320）, in the other end equipped with the handle described in one（400）, this two End is by a crossbeam（330）Connection, in described crossbeam（330）On be provided with a groove（331）, it is provided with this groove multiple Position spring（332）；Described sliding bar（500）It is enclosed on described crossbeam（330）It can be reciprocatingly slided above and vertically thereon, and In the sliding bar（500）Upper and described anti-rock holder mounting hole（320）Homonymy, it is provided with a latch hook（510）；Institute The anti-rock holder stated（600）On have a cylinder projection（610）, the endoporus of the projection（611）For pcb board（900）Installation Hole, whole device is by the hole with screw（800）It is mounted on pcb board（900）On, the column outer rim of the projection（612）Then For by whole anti-rock holder（600）It is installed on described rotatable base shaft（300）On, upper in the holder also has one Individual holding tank（613）, when described rotatable base shaft（300）When prizing pcb board, its bayonet socket（310）With crossbeam（330）Between Connecting portion（340）Can be in the holding tank（613）It is interior to rotate to limit rotatable base shaft（300）Rock；And described spring washer （700）Also it is enclosed on the column outer rim of projection（612）On, to eliminate anti-rock holder（600）With rotatable base shaft（300）Between Gap.

2. drawing-aid device as claimed in claim 1, it is characterised in that：Described sliding bar（500）On be provided with one be used for paste The label area of film（520）.