CN102829681B - A kind of brake - Google Patents
A kind of brake Download PDFInfo
- Publication number
- CN102829681B CN102829681B CN201210262572.8A CN201210262572A CN102829681B CN 102829681 B CN102829681 B CN 102829681B CN 201210262572 A CN201210262572 A CN 201210262572A CN 102829681 B CN102829681 B CN 102829681B
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- locking key
- groove
- tape
- spring box
- band
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Abstract
The invention provides a kind of brake, comprising: bend tape casing and be arranged at spring box, spring and the tape band in this bend tape casing; Described tape band is wound in described spring box; Described spring is for making described spring box, in the time that discord locking key contacts, the tape band of pull-out be regained to described spring box; One side of described bend tape casing is provided with locking key draw-in groove, is provided with a locking key in described locking key draw-in groove; Described locking key, in the time that described tape band is drawn out, is placed in the first precalculated position of described locking key draw-in groove, thereby contacts and fix described spring box, and the tape band being drawn out can be retracted in spring box. Brake long service life provided by the invention, reliability are high, simple in structure, low cost of manufacture, applicability are strong.
Description
Technical field
The present invention relates to dimensional measuring instrument field, relate in particular to a kind of brake.
Background technology
Tape measure is as a kind of dimensional measuring instrument, and because it is small and exquisite, easy-to-use and easy to carry to be subject to each row eachIndustry staff's welcome. Wherein, brake is to use at present a kind of tape measure comparatively widely.
Brake of the prior art generally comprise chi shell and be arranged at chi band in chi shell and forThe spring box of fixed ruler band, in addition, also comprises the brake component for realizing braking function, particularly, existingSome brakes are directly to be rubbed to reach as the parts such as locking key and tape band by brake componentThe effect of fixing tape band, obviously, long-time between the locking key of existing brake and tape bandFriction, easily make the numerical value of tape band rub off, and if it is excessive manually to promote locking key dynamicsWords, also may cause the bending of tape measure, and shortened the service life of tape measure. Therefore, need to provide onePlant braking function and the tape band that can realize tape band and be not subject to friction, robust brake.
Summary of the invention
The invention provides a kind of brake, for solving prior art owing to adopting locking key and volumeChi band friction realizes that the braking effect that the braking work the subject of knowledge and the object of knowledge of tape band brings is low, tape measure short asking in service lifeTopic. Brake long service life provided by the invention, reliability are high, simple in structure, low cost of manufacture,Applicability is strong.
A kind of brake provided by the invention, comprising: bend tape casing, spring box, spring, tape band andLocking key; Described spring box, spring and tape band are arranged in described bend tape casing, the described tape measure roll coil of stripIn described spring box; Described spring for make described spring box in discord locking key when contact by pull-outTape band is regained in described spring box; One side of described bend tape casing is provided with locking key draw-in groove, described systemMoving button is installed in described locking key draw-in groove; Described locking key is for being drawn out at described tape bandTime, be placed in the first precalculated position of described locking key draw-in groove, thereby contact and fix described spring box.
In the time that the tape band being drawn out need to be regained in described spring box, described locking key is placed in described brakingThe second precalculated position of button draw-in groove.
Described locking key comprises hand push portion, connecting portion and detent; Described hand push portion is positioned at described tape measureHousing exterior, for making user regulate the particular location of described locking key at described locking key draw-in groove;Described connecting portion is connected in described locking key draw-in groove, for connecting described hand push portion and described detent;Described detent is positioned at described bend tape casing inside, for being placed in described locking key at described locking keyWhen the first precalculated position of draw-in groove, contact and fix described spring box.
Preferably, in a kind of brake provided by the invention, in described detent and described hand push portion phaseThe position not contacting in right plane, with described connecting portion is also provided with band, for increasing in describedFrictional force between locking key and the bend tape casing in the first precalculated position of locking key draw-in groove.
Preferably, the profile of the described detent in above-mentioned brake is " ヘ " type.
Preferably, the bending angle of described " ヘ " type is 90-120 degree.
Preferably, in another kind of brake provided by the invention, on the outer surface of described spring box, be provided withFor carrying out clamping with the detent of the locking key in the first precalculated position in described locking key draw-in grooveSeveral tooth mouths, described several tooth mouths are along the circumferential direction equidistantly established on the outer surface of described spring boxPut.
Preferably, in the above-mentioned brake that is provided with tooth mouth on the outer surface of described spring box, describedIn the detent plane relative with described hand push portion, the position that do not contact with described connecting portion is also provided with protrudingThe band rising, for increasing the described locking key in the first precalculated position in described locking key draw-in grooveAnd frictional force between described bend tape casing.
In brake provided by the invention specialized designs locking key, brake volume by locking keySpring box in chi, is in contact with one another to realize spring between the locking key by this peculiar shape and spring boxBox fixing, thus realize the braking function of tape measure. With respect to brake component direct friction in prior artThe scheme of brake band, brake provided by the invention to band tape without extruding and friction,Therefore can ensure the clear scales of tape band, brake long service life, tape band not only can be repeatedlyRepeatedly use, economize on resources, and this brake reliability is high, simple in structure, low cost of manufacture,Simple to operate, applicability is strong.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of brake of providing of the embodiment of the present invention one;
Fig. 2 is that Fig. 2 is the right side view of Fig. 1;
The locking key in Fig. 21 is removed rear obtained view by Fig. 3;
Fig. 4 is the detailed structure schematic diagram of the locking key 1 in Fig. 1;
Fig. 5 is the structural representation of a kind of brake of providing of the embodiment of the present invention two;
Fig. 6 is the right side view of Fig. 5;
The locking key in Fig. 6 11 is removed rear obtained view by Fig. 7;
Fig. 8 is the detailed structure schematic diagram of the locking key 11 in Fig. 5.
Detailed description of the invention
The problem existing for solving prior art, the embodiment of the present invention is installed braking and is pressed on the shell of tape measureButton, fixes spring box by contacting with each other between the spring box in locking key and bend tape casing, thereby makesThe tape band of pull-out can not regained in bend tape casing, to realize the braking of tape band by Ei.
The brake that the embodiment of the present invention provides comprises: bend tape casing, spring box, spring, tape band andLocking key, wherein, spring box, spring and tape band are arranged in bend tape casing, and tape band is wound on instituteState in spring box; In the time that tape band is drawn out, described spring is used for making spring box in the time of other object contacts of discordBy in the tape band retractile spring box of pull-out. One side of bend tape casing is provided with locking key draw-in groove, and braking is pressedButton is installed in locking key draw-in groove. Locking key, in the time that tape band is drawn out, is placed in locking keyThe first precalculated position of draw-in groove, thus contact and fix this spring box with spring box; When the tape band of pull-out needsWhile regaining in the spring box in bend tape casing, locking key is placed in to the second precalculated position of locking key draw-in grooveCan realize the drawing back function of tape band. Below in conjunction with accompanying drawing, illustrate the embodiment of the present invention.
Embodiment mono-
The structural representation that Figure 1 shows that a kind of brake that the embodiment of the present invention one provides, comprising:Bend tape casing 2 and be installed on spring box 3, spring 4 and the tape band 5 in bend tape casing 2. Wherein, volumeChi band 5 is wound in spring box 3, and spring 4 is arranged at spring box 3 inside; In the time that tape band 5 is drawn out,If spring box 3 other object contacts of discord, the reaction force of spring 4 makes spring box 3 in bend tape casing 2Rotate so that tape band 5 is regained in the spring box 3 in bend tape casing 2 again. Fig. 2 is that the right side of Fig. 1 is lookedFigure, Fig. 3 is for removing the locking key in Fig. 21 on rear obtained view, as shown in Figures 2 and 3,In this brake, be provided with locking key draw-in groove 6 in a side of bend tape casing 2, also have one and be installed onLocking key 1 in locking key draw-in groove 6.
Fig. 4 is the detailed structure schematic diagram of the locking key 1 in Fig. 1. Locking key 1 comprise hand push portion 7,Connecting portion 8 and detent 9. Wherein, hand push portion 7 is positioned at bend tape casing 2 outsides, is that user is for adjustingThe particular location of locking key 1 in locking key draw-in groove 6 is (as above-mentioned the first precalculated position and second pre-Allocation) functional unit, that is: promote hand push portion 7 can make locking key 1 at locking key draw-in groove 6Interior edge fluting direction moves up and down, thereby makes detent 9 interior along equidirectional movement at bend tape casing 2. ConnectMeet portion 8 and be connected in locking key draw-in groove 6 set on bend tape casing 2, for connecting hand push portion 7With detent 9. Detent 9 is positioned at bend tape casing 2 inside, is placed in locking key draw-in groove at locking key 1When the first precalculated position of 6, detent 9 is for contacting and fix described spring box 3.
Owing to being drawn out/regaining in the process of bend tape casing 2 at tape band 5, spring box 3 is at bend tape casing 2In all rotate, so, no longer rotate the braking that can realize tape band 5 as long as control spring box 3.The specific works principle of the brake that the present embodiment provides is: make locking key 1 when promoting hand push portion 7When the second precalculated position (top side of locking key draw-in groove 6 in Fig. 1) in locking key draw-in groove 6,Now the detent 9 of locking key 1 does not contact with spring box 3, and tape band 5 can be drawn out; Work as pull-outTape band 5 need to be fixed (be not retracted bend tape casing 2 in) time, now promote hand push portion 7 and makeFirst precalculated position of locking key 1 in locking key draw-in groove 6 (locking key draw-in groove 6 in Fig. 1Lower side), now, due to the detent 9 and spring box 3 close contacts of locking key 1, therefore can pass throughThe frictional force producing between detent 9 and spring box 3 is fixed spring box 3, thereby makes the tape band 5 of pull-outDo not regained in bend tape casing 2 by the pulling force of spring 4, realized the braking function of tape band 5.
In addition, in the brake that the present embodiment one provides, the plane that detent 9 is relative with hand push portion 7Position upper, that do not contact with connecting portion 8 is also provided with protruding band 10, for increasing locking key 1And frictional force between bend tape casing 2, so that locking key 1 is in first of locking key draw-in groove 6, be difficult for producing position skew when in the precalculated position in locking key draw-in groove 6, further improve this brakeReliability.
In plane shown in Fig. 1 (that is: while rotation perpendicular to spring box in tape measure around the plane of axle),The profile of detent 9 is " ヘ " type, and in fact, detent 9 is for having " ヘ " of certain width and thicknessType parts, the width of " ヘ " type parts of indication is positioned at plane shown in Fig. 1, " ヘ " type hereinThe thickness direction of parts is the direction perpendicular to Fig. 1 plane. Preferably, " ヘ " type that detent 9 becomesBending angle be 90-120 degree.
What deserves to be explained is, foregoing locking key 1 is in locking key draw-in groove 6 residing firstPrecalculated position is not limited in the lower side of locking key draw-in groove 6 in Fig. 1, and the first precalculated position can beArbitrary position in a fragment position scope in locking key draw-in groove 6, as long as meet in this position rangeLocking key 1 all can contact and fix spring box 3. Above-mentioned locking key 1 is at locking key cardMuch more no longer in groove 6, residing the second precalculated position is similar, to describe herein.
Embodiment bis-
The structural representation that Figure 5 shows that a kind of brake that the embodiment of the present invention two provides, Fig. 6 isThe right side view of Fig. 5, Fig. 7 is for removing the locking key in Fig. 6 11 on rear obtained view.
Be similar to embodiment mono-, as shown in Figures 5 to 7, the brake that the present embodiment provides comprises:Bend tape casing 2, spring box 8, spring (not shown in Fig. 5, its structure is similar to Fig. 3), tape band 5 andLocking key 11, wherein, has each parts and the enforcement of same reference numerals with Fig. 1 in Fig. 5 to Fig. 726S Proteasome Structure and Function described in example one is identical, is similar to embodiment mono-: tape band 5 is wound on spring box 8In, spring is arranged at spring box 8 inside, in the time that tape band 5 is drawn out, if spring box 8 other objects of discordContact, the reaction force of spring make spring box 8 in the interior rotation of bend tape casing 2 so that tape band 5 is received againReturn in the spring box 8 in bend tape casing 2. One side of bend tape casing 2 is provided with locking key draw-in groove 6, brakingButton 11 is installed in locking key draw-in groove 6. In addition, on the outer surface of spring box 8, be provided with for locateSeveral tooth mouths 12 that carry out clamping in the locking key 11 in the first precalculated position of locking key draw-in groove 6,Described several tooth mouths 12 spaced set along the circumferential direction on the outer surface of spring box 8.
Fig. 8 is the detailed structure schematic diagram of the locking key 11 in Fig. 5. Locking key 11 comprises hand pushPortion 13, connecting portion 14 and detent 15. Be similar to embodiment mono-, hand push portion 12 is positioned at bend tape casing 2Outside, for make user adjust locking key 11 to the particular location of locking key draw-in groove 6 (as above-mentionedThe first precalculated position and the second precalculated position). Connecting portion 14 is connected to system set on bend tape casing 2In moving button draw-in groove 6, for connecting hand push portion 13 and detent 15. Detent 15 is positioned at bend tape casing2 inside, in the time that locking key 11 is placed in the first precalculated position of locking key draw-in groove 6, detent 15 useIn contact retainer spring box 8. Obviously, promoting hand push portion 13 along the fluting direction of locking key draw-in groove 6 canBy connecting portion 14 make detent 15 bend tape casing 2 interior along equidirectional movement (that is: shown in Fig. 5Plane inside brake portion 15 can whip moving up and down of pushed section 13 and move up and down).
The operation principle of the brake that the present embodiment provides is: when the tape band 5 of pull-out need to be fixedWhen (not being retracted in bend tape casing 2), now promoting hand push portion 13 and make locking key 11 in brakingFirst precalculated position (lower side of the inside brake of plane shown in Fig. 5 button draw-in groove 6) of button draw-in groove 6, thisTime locking key 11 the bending part of detent 15 be connected in one of them that spring box 8 outer surfaces arrangeIn tooth mouth 11 (as shown in Figure 5), obviously, now owing to interfixing between detent 15 and spring box 8,The tape band 5 of pull-out can not regained in bend tape casing 2 by the pulling force of spring. When making the tape band 5 of pull-outBe retracted bend tape casing 2 when interior, only need make second predetermined in locking key draw-in groove 6 of locking key 11(in plane shown in Fig. 5, up thruster is started pushed section 13 until the going up most of locking key draw-in groove 6 in positionSide), the bending part of the detent 15 of locking key 11 skids off the tooth mouth 12 of former clamping, obviously, thisTime because spring box 8 is no longer subject to the active force of locking key 11, spring box 8 rotates under the active force of spring,The tape band being drawn out 5 is regained in bend tape casing 2.
The difference of the brake that the brake that the embodiment of the present invention two provides and embodiment mono-provide is mainBe: on the outer surface of spring box 8, be provided with the tooth mouth 12 that coordinates the detent 15 of locking key 11 to design,Can carry out clamping with detent 15, to realize tape measure braking more accurately. What deserves to be explained is toothThe concrete shape of mouth 12 and detent 15 can design as required, and it is attached that other are different from the embodiment of the present inventionTooth mouth 12 shapes in represented in figure and the brake of detent 15 shapes, as long as based on this realityThe braking principle (tooth mouth 12 and detent 15 can connect and fix mutually) of the brake providing in example is providedWithin other brakes of design also should be included in the scope that the invention is intended to protection.
Preferably, be similar to embodiment mono-, the detent of the locking key that the present embodiment provides and hand push portionThe position not contacting in relative plane, with connecting portion also can be provided with protruding band, for increasing systemFrictional force between moving button and bend tape casing, so that locking key is in first of locking key draw-in groove, be difficult for producing position skew when in the precalculated position in locking key draw-in groove, further improve this brakeReliability.
The brake that the embodiment of the present invention one and two provides has thoroughly changed in prior art by propping up volumeChi band and the tape measure structure of braking is installed locking key on the shell of tape measure, brakes by promotionButton makes to produce contact friction between the spring box in locking key and bend tape casing or clamping fixes spring box,Thereby the tape band of pull-out can be retracted in bend tape casing, realize the braking of tape band. Obviously, originallyThe braking function of the brake that inventive embodiments provides be by custom-designed locking key and spring box itBetween be in contact with one another realization, with respect to the side of brake component direct friction brake band in prior artCase, brake provided by the invention without extruding and friction, therefore can ensure volume to band tapeThe clear scales of chi band, the long service life of tape band, can repeated multiple timesly be used, economizes on resources, andThis brake reliability is high, simple in structure, low cost of manufacture. In addition regain, the volume of pull-out at needsWhen chi band, only need simply toward the recovery function that promotes locking key in the other direction and can realize tape band,Simple to operate, applicability is strong.
Obviously, those skilled in the art can carry out various changes and modification and not depart from this present inventionThe spirit and scope of invention. Like this, if belonging to right of the present invention, these amendments of the present invention and modification wantAsk and the scope of equivalent technologies within, the present invention be also intended to comprise these change and modification interior.
Claims (5)
1. a brake, is characterized in that, comprising: bend tape casing, spring box, spring, tape band and locking key; Described spring box, spring and tape band are arranged in described bend tape casing, and described tape band is wound in described spring box; Described spring is for making described spring box, in the time that discord locking key contacts, the tape band of pull-out be regained to described spring box; One side of described bend tape casing is provided with locking key draw-in groove, and described locking key is installed in described locking key draw-in groove; Described locking key, in the time that described tape band is drawn out, is placed in the first precalculated position of described locking key draw-in groove, thereby contacts and fix described spring box;
In the time that the described tape band being drawn out need to be regained in described spring box, described locking key is placed in the second precalculated position of described locking key draw-in groove;
Described locking key comprises: hand push portion, is positioned at described bend tape casing outside, for making user regulate the particular location of described locking key at described locking key draw-in groove; Connecting portion, is connected in described locking key draw-in groove, for connecting described hand push portion and described detent; Detent, is positioned at described bend tape casing inside, in the time that described locking key is placed in the first precalculated position of described locking key draw-in groove, contacts and fix described spring box;
On the outer surface of described spring box, be provided with several tooth mouths for carrying out clamping with the detent of the locking key in the first precalculated position in described locking key draw-in groove, described several tooth mouths spaced set along the circumferential direction on the outer surface of described spring box.
2. a kind of brake claimed in claim 1, it is characterized in that, in the described detent plane relative with described hand push portion, the position that do not contact with described connecting portion is also provided with band, for increasing the frictional force between locking key and the bend tape casing in the first precalculated position in described locking key draw-in groove.
3. a kind of brake as claimed in claim 2, is characterized in that, the profile of described detent is " ヘ " type.
4. a kind of brake as claimed in claim 3, is characterized in that, the bending angle of described " ヘ " type is 90-120 degree.
5. a kind of brake as claimed in claim 1, it is characterized in that, in the described detent plane relative with described hand push portion, the position that do not contact with described connecting portion is also provided with protruding band, for increasing the frictional force between described locking key and the described bend tape casing in the first precalculated position in described locking key draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210262572.8A CN102829681B (en) | 2012-07-27 | 2012-07-27 | A kind of brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210262572.8A CN102829681B (en) | 2012-07-27 | 2012-07-27 | A kind of brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102829681A CN102829681A (en) | 2012-12-19 |
| CN102829681B true CN102829681B (en) | 2016-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210262572.8A Active CN102829681B (en) | 2012-07-27 | 2012-07-27 | A kind of brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102829681B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11846504B2 (en) | 2016-10-05 | 2023-12-19 | Milwaukee Electric Tool Corporation | Tape measure with compact retraction system |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2760073T3 (en) | 2014-06-18 | 2020-05-13 | Zoetis Denmark Aps | Microfluidic detection system |
| US10054415B2 (en) | 2015-09-30 | 2018-08-21 | Milwaukee Electric Tool Corporation | Tape measure |
| US9874428B1 (en) | 2016-10-05 | 2018-01-23 | Milwaukee Electric Tool Corporation | Tape measure with compact retraction system |
| EP3601943A4 (en) | 2017-03-22 | 2020-12-30 | Milwaukee Electric Tool Corporation | Tape measure with epicyclic gear drive for tape retraction |
| US10836603B2 (en) | 2017-03-22 | 2020-11-17 | Milwaukee Electric Tool Corporation | Tape measure with epicyclic gear drive for tape retraction |
| CN108871134A (en) * | 2018-08-31 | 2018-11-23 | 安徽众高信息技术有限责任公司 | A kind of building electromechanical installation measuring tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3435529A (en) * | 1966-09-08 | 1969-04-01 | Quenot & Cie Sarl | Linear measuring instrument |
| CN2324529Y (en) * | 1997-12-19 | 1999-06-16 | 朱永理 | Measuring tape |
| CN201191168Y (en) * | 2008-03-28 | 2009-02-04 | 王胜喜 | Tape measure with automatic positioning tape |
| CN201514168U (en) * | 2009-10-12 | 2010-06-23 | 宁波巨丰工具实业有限公司 | Measuring tape with one-way brake device |
| CN202853510U (en) * | 2012-07-27 | 2013-04-03 | 胡兆贤 | Braking measuring tape |
-
2012
- 2012-07-27 CN CN201210262572.8A patent/CN102829681B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3435529A (en) * | 1966-09-08 | 1969-04-01 | Quenot & Cie Sarl | Linear measuring instrument |
| CN2324529Y (en) * | 1997-12-19 | 1999-06-16 | 朱永理 | Measuring tape |
| CN201191168Y (en) * | 2008-03-28 | 2009-02-04 | 王胜喜 | Tape measure with automatic positioning tape |
| CN201514168U (en) * | 2009-10-12 | 2010-06-23 | 宁波巨丰工具实业有限公司 | Measuring tape with one-way brake device |
| CN202853510U (en) * | 2012-07-27 | 2013-04-03 | 胡兆贤 | Braking measuring tape |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11846504B2 (en) | 2016-10-05 | 2023-12-19 | Milwaukee Electric Tool Corporation | Tape measure with compact retraction system |
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| Publication number | Publication date |
|---|---|
| CN102829681A (en) | 2012-12-19 |
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Address after: 266000, room 2, building 88, No. 101, Shanghai Road, Laixi, Shandong, Qingdao Applicant after: Hu Zhaoxian Address before: Shinan District 266000 Shandong city of Qingdao province Xuzhou Road 15, building 4, unit 2, 702 households Applicant before: Hu Zhaoxian |
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