CN2495981Y - Flexible rule with automatic braking function - Google Patents
Flexible rule with automatic braking function Download PDFInfo
- Publication number
- CN2495981Y CN2495981Y CN 01232342 CN01232342U CN2495981Y CN 2495981 Y CN2495981 Y CN 2495981Y CN 01232342 CN01232342 CN 01232342 CN 01232342 U CN01232342 U CN 01232342U CN 2495981 Y CN2495981 Y CN 2495981Y
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- CN
- China
- Prior art keywords
- chi
- chi plate
- automatic braking
- tape measure
- stops
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a flexible rule with automatic braking function. The rule shell is internally provided with a braking device which comprises: a rotating wheel unit which has an elastic wheel in the centre and an unilateral ratchet on ends, a guide block under the wheel unit, a stop pawl above the rotating wheel unit which gnaws at the ratchet, a connecting element between a press button and the stop pawl. Due to the fact that the rule can be arranged between the elastic wheel body and the guide block, the flexible rule will revolve around the rule rotating wheel, The strip coil rolls back after the button is pressed. Users can extend the flexible rule without cease in one hand but do not worry such accident like that fingers are wounded by retracted flexible rules.
Description
The creation field
The utility model relates to a kind of tape measure with automatic braking chi plate function, can allow the user with the chi plate pull out the back and automatic braking can not reclaim, behind the finger presses press button, just can make the chi plate produce rolling back action, can be beneficial to user operation by this and measure, and prevent that tape measure from causing unexpected injury to take place during backrush unintentionally.
The creation background
Existing tape measure structurally all is provided with chi plate check device, and after the chi plate was stretched, the wind spring elastic shrinkage that is subjected in the rolling wheel influenced and generation automatic rewinding function; In brief, existing chi plate is after stretching, after hand breaks away from the chi plate, promptly can reclaim automatically, yet in order to measure needs, the chi plate is unrenewable, so can the chi plate be fixed and do not reclaim with stop motion mechanism, this kind stop motion mechanism is divided into two kinds substantially, and first kind is positioning switch, and it is the press button of two-part, after pushing backward, can make chi plate location and simultaneously rolling wheel is stopped the rotation, then can unclasp the chi plate and make the rolling wheel revolution and the chi plate is reclaimed if push forward; Second kind is pause switch, and it is a button by finger presses, when finger continues to push, rolling wheel can be prevented and not rotate, otherwise, when not pushing, then no longer prevent rolling wheel, and the chi plate promptly can produce revolute function.
The chi plate of general tape measure is drawing Zhong Shidou to adopt one-handed performance, promptly on the other hand catch the chi shell and in addition hand the chi plate is constantly pulled out, when pulling out, also must prevent that the chi plate from reclaiming automatically, otherwise promptly can't carry out linear measure longimetry, so grabbing the thumb and the forefinger of chi shell, hand the chi plate of pulling out must be gripped work, to prevent that the chi plate from producing backrush, thus, hand could continue the chi plate is pulled out in addition, this kind action is often because of user's sliding or carelessness of hand for the moment, and make chi plate automatic rewinding injure unscheduled event generations such as finger, particularly for the child, danger is higher.
Summary of the invention
The purpose of this utility model provides and a kind ofly can not reclaim voluntarily after the chi plate is pulled out, and must could discharge the tape measure that the chi plate makes its recovery after pushing press button.
The purpose of this utility model is achieved in that a kind of tape measure with automatic braking chi plate function, it is characterized in that: its inside at the chi shell is provided with check device, this check device position and is subjected to the control of chi shell top press button between rolling wheel and chi plate exit end, this check device comprises:
The runner group, for central elastic wheel body two ends are the stopping wheel of ratchet, it is hubbed between the chi shell of left and right sides shell composition, and the position contacts before rolling wheel and with chi plate surface;
Guide block is located at the lower end of runner group and is fixed on chi shell bottom surface, and it has stops, and stops and elasticity wheel body contact at the upper and lower surface of chi plate simultaneously and produce frictional resistance;
Retaining pawl is positioned at the top of runner group and is being pivoted, wherein an end have calvus can the single direction ratchet of engaging-in runner group in, and end extends follow block in addition;
Link driving element is located at the medium element between press button and the retaining pawl follow block, and the link driving element bottom contacts with the follow block of retaining pawl;
Give as security and press element, can make the flexible member of giving as security under the calvus of retaining pawl, it has elasticity simultaneously and returns effect again;
Wherein, the runner group is that an elasticity friction wheel and left and right two is taken turns the bar composition, and wherein the revolver bar can insert in the friction pulley, and right wheel bar can insert in the revolver bar, and left and right two sides of taking turns bar are all single direction ratchet.
Wherein, the stops on the guide block is the back stops, and it has several pieces and for being symmetrical set, has little gap again between sheet and the sheet, and end face is the dip plane, thus about the approximate V font setting of back stops.
Wherein, can set up preceding stops on the guide block, and for being symmetrical set and end face is the dip plane, so the setting that is in the shape of the letter V.
Wherein, link driving element can be combined as a whole with press button.
Wherein, an elasticity can be set and return element again under press button.
Wherein, link driving element is fixed with reed, and can have elasticity simultaneously and return effect again.
The utility model is owing to adopt above-mentioned design proposal:
When the chi plate was pulled out outward, friction pulley can rotate thereupon, and then the single direction ratchet that is all the runner group is rotated in the same way, makes retaining pawl break away from single direction ratchet and the buoyance lift that makes progress, and the runner group is freely rotated.
When the chi plate stopped operating, retaining pawl was subjected to pressing the following signature influence of giving as security element and with in the engaging-in single direction ratchet of calvus, makes the runner group stop operating, and the friction pulley of runner group can make the chi plate not produce the backrush effect stop of chi plate.
But behind the finger presses press button, can affect link driving element and make the calvus perk of retaining pawl and break away from single direction ratchet, make the runner group no longer be presented free shape energy by stop, the chi plate is subjected to the wind spring backrush influence of rolling wheel and produces reclaiming action again.And after the backrush of chi plate is finished, press the signature element to push away under the calvus with retaining pawl, and reach stopping function in the engaging-in again single direction ratchet.
It has following effect:
1, the chi plate in the tape measure can produce the automatic braking function immediately after one hand stretches, and the chi plate can only unilateral stretching, can not go in the chi shell by automatic rewinding, goes up unexpected worry and causes because of careless manipulation makes anxious receipts of chi plate that incised wound is unexpected to be taken place so use.
2, the recovery of chi plate can be controlled by press button, and simple to operate, safety, and reclaims when too fast at the chi plate, can appropriateness gives as security and presses button so that the chi plate reclaims at a slow speed
3, when implementing long range measurements, can be beneficial to the rapid and continuously elongated chi plate of user, so can shorten the running time, promote service efficiency.
Drawing key diagram 1: perspective view Fig. 2 of the utility model tape measure: the utility model check device three-dimensional exploded view.Fig. 3: the three-dimensional exploded view of the utility model runner group.Fig. 4: the full sectional view of the utility model tape measure.Fig. 5: the cross-sectional schematic that the utility model check device cooperates with the chi plate.Fig. 6-Fig. 8: the action series of the utility model tape measure check device.Fig. 9: other of the utility model tape measure plants and implement illustration Figure 10: other of the utility model check device plants the enforcement illustration.Figure 11: other of the utility model check device plants the enforcement illustration.Figure 12: other of the utility model check device plants the enforcement illustration.Figure 13: other of the utility model non-return loading amount plants and implement illustration Figure 14: other of the utility model check device plants the enforcement illustration.
Embodiment
Be illustrated in figure 1 as the perspective view of the utility model tape measure, the chi shell 1 that discloses among the figure by about two shells form, its inner anterior position is provided with check device 10, this check device be the position between rolling wheel and chi plate 2 endpiece, be used for the usefulness of automatic fixed ruler plate.This check device 10 comprises (as shown in Figure 2): press button 11, pressing plate 12, retaining pawl 13, reed 14, runner group 15 and limited slip block 16; Wherein, the central authorities of runner group 15 are the elasticity wheel body, two ends are the stopping wheel structure of ratchet, its detail structure can be consulted shown in Fig. 3 exploded view, be an elasticity friction wheel 151 and a left side, right two take turns bar 152,153 form, having hollow teeth groove 151b in the friction pulley 151 can insert fixing for toothed wheel bar 152, insert fixing and have hollow teeth groove 152b in the toothed wheel bar 152 for another toothed wheel bar 153, two take turns bar 152,153 outboard end also is provided with single direction ratchet 152a, 153a, the end wall of two ratchets has groove 152c again, 153c and central shaft 152d, 153d (announcement is also arranged among Fig. 5).
As Fig. 2, shown in Figure 4, wherein Fig. 4 is the full sectional view of the utility model tape measure, disclose the relevant position after check device 10 makes up among the figure, the floating press button 11 that exposes in the preceding upper end of chi shell 1, can be extended out under the press button and give as security the projection 111 of pressing usefulness, projection also rides on the pressing plate 12, pressing plate is a link driving element, it is fixed by reed 121 and contacts with the follow block 133 of retaining pawl 13, and reed 121 is provided in a side of on the fixture block 18 that the chi shell is connected with, this reed also is that an elasticity is returned element again, can make pressing plate 12 have the effect of answering back.
The central pivot hole 131 of retaining pawl 13 can be hubbed on fulcrum 19, and about front end two ends have calvus 132 can engaging-in single direction ratchet 152a, 153a in, form short slot 134 between two calvus and do not contact with friction pulley 151, the rear end is that 133 of follow blocks contact with pressing plate 12 again.
Reed 14 is located at retaining pawl 13 tops, and hangs on the folder axle 17 that the chi shell is connected with by intermediate plate 141 folder, its with about two leg lower ends ride on the calvus 132 and calvus do not risen easily, so reed 14 is one to give as security at the elasticity of locking plate 13 designs and to press element.
As shown in Figure 5 be the full sectional view of check device, wherein, the bottom surface of guide block 16 has a tenon 163 and can embed in the caulking groove 101 of chi shell 1 bottom surface and fix; Surplus limit 164, the both sides of guide block 16 can import in the guide groove 102 of chi shell 1 bottom again, makes guide block 16 be stabilized in chi shell 1 bottom surface and does not produce unusual fluctuation.Secondly, groove 152c, the 153c of two single direction ratchet sides and central shaft 152d, 153d can cooperatively interact with bulge loop 105 and the protruding axle 106 that the chi shell is connected with, and then make runner group 15 have 360 ° of spinfunctions.
As Fig. 6-Figure 8 shows that action series of the utility model tape measure check device.At first consult Fig. 6, when outwards pulling out in by chi shell 1, chi plate 2 can drive runner group 15 turn clockwise (shown in drawing), single direction ratchet 152a, 153a can push away the calvus 132 of retaining pawl 13 at this moment, so calvus 132 can paste in single direction ratchet 152a, 153a outer rim and the continuous floating up and down along with rotation.
As shown in Figure 7, when chi plate 2 stops drag (when external force disappears), chi plate 2 is subjected to the effect of returning again of the wind spring in the rolling wheel 3 and produces rolling back action, at this moment chi plate 2 will drive runner group 15 turning anticlockwises (shown in drawing), and the calvus 132 of retaining pawl 13 is subjected to reed 14 and presses down influence and cause card end to act in the engaging-in single direction ratchet 152a 153a, make two single direction ratchet 152a, 153a stop revolution, so friction pulley 151 just can make chi plate 2 no longer by backrush 2 stop of chi plate.
As shown in Figure 8, when the user gives as security press button 11 down with thumb, projection 111 under the press button can push away pressing plate for 12 times, and pressing plate presses down the follow block 133 of retaining pawl 13 again, make calvus 132 perks of retaining pawl 13 other ends and break away from single direction ratchet 152a, 153a, the runner group 15 broke away from control and was free state this moment, and the wind spring effect of returning again that chi plate 2 is subjected to rolling wheel 3 this moment and backrush is gone in the chi shell 1, until chi head 21 by backstop till endpiece 103.Aforementioned again runner group 15 is subjected to chi plate 2 backrush influences and produces and be rotated counterclockwise, till chi plate 2 stops backrush.Treating that chi plate 2 furls just can discharge press button 11 after finishing, and at this moment calvus 132 elasticity that is subjected to stage clip 14 presses down influence, and in engaging-in once again single direction ratchet 152a, the 153a and reach only function of card; Retaining pawl 13 other follow blocks 133 of end can raise up again, and press button 11 produces rise by answering back of pressing plate 12, recover as shown in Figure 4.
Figure 9 shows that the utility model tape measure other plant the enforcement illustration, in order to increase the strength that aforementioned press button 11 upwards gos up, and alleviate the suffered load of stage clip 14, reed 121, can be provided with one in press button 11 lower end appropriate locations and open spring 20 again, open spring 20 again and be fixed on supporting on the piece 21 that the chi shell is connected with, the elasticity of press button 11 is given as security press and to return effect again better.
Figure 10 shows that the utility model check device other plant the enforcement illustration, replace original reed 14 (being that elasticity is given as security the pressure element) with contraction spring 22 in the present embodiment, this contraction spring 22 is located at locking plate 13 tops, one end passes wearing behind the groove of pressing plate 12 lower ends and is hooked on the follow block 133 of retaining pawl 13, in addition end then is hooked on the pillar 23 that the chi shell is connected with, and also can make retaining pawl 13 have the solid function of splendid button by this.
Also plant the enforcement illustration as shown in figure 11 for other of the utility model check device, replace original reed 14 to open spring 24 again in the present embodiment, this opens the below that spring 24 is provided in a side of locking plate 13 again, and the upper end pushing tow the follow block 133 of retaining pawl 13, the lower end then is fixed in the groove 104 that the chi shell is connected with, and also can make retaining pawl 13 have the solid function of splendid button by this.
Also other plants the enforcement illustration for the utility model check device shown in the 12 figure, replace original reed 14 with elasticity blob of viscose 25 in the present embodiment, this elasticity blob of viscose 25 is provided in a side of locking plate 13 belows, the upper end item is pushing away the follow block 133 of retaining pawl 13, the lower end then is fixed in the groove 104 that the chi shell is connected with, and also can make retaining pawl 13 have the solid function of splendid button by this.In addition, can also replace original reed 14, and arc elastic spring 26 is fixed in the slot 107 that the chi shell is connected with the arc elastic spring 26 that Figure 13 discloses.
The preceding lower end that Figure 14 more discloses press button 11 is connected with a long pressing plate 112, and this long pressing plate can replace original pressing plate 12 (being link driving element) and contact with the follow block 133 of retaining pawl 13; In addition press button be provided with for 11 times open again spring 22 and fixing open spring again support piece 21.
In sum, the utlity model has the tape measure of automatic braking function and can will the chi plate 12 have automatic braking after stretching and function that can backrush, can allow user's chi plate that constantly stretches be beneficial to account amount length, and after pressing down, press button can make design of chi plate automatic rewinding or the like, in the utility model, about the interlock between press button 11 and the locking plate 13, answer back and give as security to press element but to have multiple, no matter yet be any, must not break away from the stop relation between retaining pawl 13, runner group 15, the guide block 16.
Claims (7)
1, a kind of tape measure with automatic braking chi plate function, it is characterized in that: its inside at the chi shell is provided with check device, and this check device position and is subjected to the control of chi shell top press button between rolling wheel and chi plate exit end, and this check device comprises:
The runner group, for central elastic wheel body two ends are the stopping wheel of ratchet, it is hubbed between the chi shell of left and right sides shell composition, and the position contacts before rolling wheel and with chi plate surface;
Guide block is located at the lower end of runner group and is fixed on chi shell bottom surface, and it has stops, and stops and elasticity wheel body contact at the upper and lower surface of chi plate simultaneously and produce frictional resistance;
Retaining pawl is positioned at the top of runner group and is being pivoted, wherein an end have calvus can the single direction ratchet of engaging-in runner group in, and end extends follow block in addition;
Link driving element is located at the medium element between press button and the retaining pawl follow block, and the link driving element bottom contacts with the follow block of retaining pawl;
Give as security and press element, can make the flexible member of giving as security under the calvus of retaining pawl, it has elasticity simultaneously and returns effect again;
2, the tape measure with automatic braking chi plate function according to claim 1, it is characterized in that: wherein, the runner group is that an elasticity friction wheel and left and right two is taken turns the bar composition, wherein the revolver bar can insert in the friction pulley, and right wheel bar can insert in the revolver bar, and left and right two sides of taking turns bar are all single direction ratchet.
3, the tape measure with automatic braking chi plate function according to claim 1, it is characterized in that: wherein, stops on the guide block is the back stops, it has several pieces also for being symmetrical set, has little gap again between sheet and the sheet, and end face is the dip plane, thus about the approximate V font of back stops be provided with.
4, the tape measure with automatic braking chi plate function according to claim 3 is characterized in that: wherein, can set up preceding stops on the guide block, and for being symmetrical set and end face is the dip plane, so the setting that is in the shape of the letter V.
5, the tape measure with automatic braking chi plate function according to claim 1, it is characterized in that: wherein, link driving element can be combined as a whole with press button.
6. have the tape measure of automatic braking chi plate function according to claim 1 or 5, it is characterized in that: wherein, an elasticity can be set under press button return element again.
7, the tape measure with automatic braking chi plate function according to claim 1, it is characterized in that: wherein, link driving element is fixed with reed, and can have elasticity simultaneously and return effect again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01232342 CN2495981Y (en) | 2001-08-16 | 2001-08-16 | Flexible rule with automatic braking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01232342 CN2495981Y (en) | 2001-08-16 | 2001-08-16 | Flexible rule with automatic braking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2495981Y true CN2495981Y (en) | 2002-06-19 |
Family
ID=33646416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01232342 Expired - Fee Related CN2495981Y (en) | 2001-08-16 | 2001-08-16 | Flexible rule with automatic braking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2495981Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359282C (en) * | 2004-11-10 | 2008-01-02 | 株式会社科梅隆 | Tape measure with automatic blade extension mechanism |
| CN101173846B (en) * | 2006-10-31 | 2010-11-03 | 宁波长城精工实业有限公司 | Automatically recovery long ruler |
| CN101173845B (en) * | 2006-10-31 | 2010-11-17 | 宁波长城精工实业有限公司 | Long ruler |
| CN101959398A (en) * | 2009-07-15 | 2011-01-26 | Juki株式会社 | Belt-type feeder |
| CN104776778A (en) * | 2015-04-18 | 2015-07-15 | 陈烁 | Telescopic steel measuring tape |
| CN108254293A (en) * | 2017-12-15 | 2018-07-06 | 国家海洋局第海洋研究所 | Offshore anti-liquefying ability in-situ measurement device |
| CN108318382A (en) * | 2017-12-15 | 2018-07-24 | 国家海洋局第海洋研究所 | Offshore anti-liquefying ability in-situ measuring method |
| CN109358424A (en) * | 2018-10-23 | 2019-02-19 | 重庆工程学院 | A kind of VR equipment suitable for being worn in moving |
| CN109443140A (en) * | 2018-12-17 | 2019-03-08 | 莱州开天仪器有限公司 | The polar coordinate system device and method of three parameters can be measured simultaneously |
| CN112033252A (en) * | 2020-09-09 | 2020-12-04 | 陈慧芳 | Steel tape with marking function |
| CN116665656A (en) * | 2023-07-24 | 2023-08-29 | 美智纵横科技有限责任公司 | Speech recognition model generation method, speech recognition method, device and chip |
-
2001
- 2001-08-16 CN CN 01232342 patent/CN2495981Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359282C (en) * | 2004-11-10 | 2008-01-02 | 株式会社科梅隆 | Tape measure with automatic blade extension mechanism |
| CN101173846B (en) * | 2006-10-31 | 2010-11-03 | 宁波长城精工实业有限公司 | Automatically recovery long ruler |
| CN101173845B (en) * | 2006-10-31 | 2010-11-17 | 宁波长城精工实业有限公司 | Long ruler |
| CN101959398A (en) * | 2009-07-15 | 2011-01-26 | Juki株式会社 | Belt-type feeder |
| CN101959398B (en) * | 2009-07-15 | 2015-01-21 | Juki株式会社 | Belt-type feeder |
| CN104776778A (en) * | 2015-04-18 | 2015-07-15 | 陈烁 | Telescopic steel measuring tape |
| CN104776778B (en) * | 2015-04-18 | 2017-07-25 | 陈烁 | Flexible steel tape |
| CN108254293A (en) * | 2017-12-15 | 2018-07-06 | 国家海洋局第海洋研究所 | Offshore anti-liquefying ability in-situ measurement device |
| CN108318382A (en) * | 2017-12-15 | 2018-07-24 | 国家海洋局第海洋研究所 | Offshore anti-liquefying ability in-situ measuring method |
| CN109358424A (en) * | 2018-10-23 | 2019-02-19 | 重庆工程学院 | A kind of VR equipment suitable for being worn in moving |
| CN109443140A (en) * | 2018-12-17 | 2019-03-08 | 莱州开天仪器有限公司 | The polar coordinate system device and method of three parameters can be measured simultaneously |
| CN112033252A (en) * | 2020-09-09 | 2020-12-04 | 陈慧芳 | Steel tape with marking function |
| CN116665656A (en) * | 2023-07-24 | 2023-08-29 | 美智纵横科技有限责任公司 | Speech recognition model generation method, speech recognition method, device and chip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |