CN201166538Y - Band tape - Google Patents
Band tape Download PDFInfo
- Publication number
- CN201166538Y CN201166538Y CNU2008200440069U CN200820044006U CN201166538Y CN 201166538 Y CN201166538 Y CN 201166538Y CN U2008200440069 U CNU2008200440069 U CN U2008200440069U CN 200820044006 U CN200820044006 U CN 200820044006U CN 201166538 Y CN201166538 Y CN 201166538Y
- Authority
- CN
- China
- Prior art keywords
- disc spring
- chi
- wheel
- gear
- housing
- 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.)
- Expired - Fee Related
Links
- 238000003756 stirring Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Tape Measures (AREA)
Abstract
The utility model provides a flexible rule, which comprises a shell which contains a rule belt and a rule belt wheel which is rotatably fixed in the shell, wherein a first end of the rule belt is connected and reeled on the rule belt wheel, a second end is threaded through a narrow slit which is formed on the lower portion of the shell, is extended outwards, and is connected with rule hook, wherein the flexible rule also comprises a coiled spring wheel which is rotatably fixed in the shell, wherein the first end of a coiled spring is fixed on the shell, the second end is fixed on the coiled spring wheel, the middle portion of the coiled spring is reeled on the coiled spring wheel, a rule belt gear is arranged on the rule belt wheel, a coiled spring gear is arranged on the coiled spring wheel, and the rule belt gear is engaged with the coiled spring gear and realizes driving. After the rule belt of the flexible rule which is provided by the utility model is reeled, the diameter is smaller, and the longitudinal width of the flexible rule is reduced, which is convenient for users to hold.
Description
Technical field
The utility model relates to a kind of survey instrument that uses mechanical means to carry out linear measure longimetry, specifically, relates to a kind of tape measure.
Background technology
Tape measure, has been widely used in the mapping in fields such as various machineries, building because of it has advantages such as volume is little, easy to carry as a kind of common survey instrument.Existing a kind of tape measure as shown in Figure 5, the structure brief introduction of this tape measure is as follows, in the central authorities of housing 40 drum 41 is arranged, disc spring 46 is wound on the drum 41.Also accommodate chi band 42 in housing 40, an end of chi band 42 is connected to an end of disc spring 46, and the other end of chi band 42 stretches out outward from the slit of housing 40 bottoms, and is connected with chi hook 43.In housing 40, also has a stop mechanism 44, stop mechanism 44 comprises a stop head 47, stop head 47 is inserted between chi band 42 winding parts and the straight line portion, and apply friction force to chi band 42, overcome the restoring force that disc spring 46 produces with this, chi band 42 can not shunk in housing 40 under the effect of disc spring 46 restoring forces.
When the user uses tape measure to measure, hold chi hook 43 and chi band 42 is come out from housing 40 in-draws, stir stop mechanism 44 after chi band 42 is stretched to the appropriate location, make stop head 47 locking chi bands 42, the user can observe the reading on the chi band 42.When reclaiming chi band 42, stir stop mechanism 44 and make stop head 47 break away from chi band 42, chi band 42 promptly shrinks back in the housing 40 under the effect of disc spring 46 restoring forces.
It is outer that the chi band 42 of said structure tape measure is wound on disc spring 46, and an end of chi band 42 is connected with disc spring 46, so chi band 42 can shrink back in the housing 40 under the restoring force effect of disc spring 46.But this designing requirement is reserved certain space and is placed disc spring 46 in chi band 42, be that formed circle had bigger diameter after disc spring, chi were taken back receipts, if the length of chi band 42 is shorter, in 5 meters, the diameter of chi band 42 is little after then reeling, the diameter of housing 40 is also little, and the user can hold tape measure easily; If chi band 42 length are longer, as more than 10 meters, chi band 42 diameters after then reeling are very big, and the diameter of housing 40 also increases accordingly, and the difficult tape measure of holding of user is made troubles to surveying work.
Summary of the invention
Fundamental purpose of the present utility model provides the tape measure that a kind of user of being convenient to holds operation.
For achieving the above object, the tape measure that the utility model provides comprises the housing that accommodates the chi band, be arranged on the chi belt wheel in the housing, the chi belt wheel rotatably is fixed in the housing, first end of chi band connects also and is wound on the chi belt wheel, and it is overhanging and be connected with the chi hook that second end passes the slit that is formed on lower housing portion; Wherein, this tape measure also comprises the disc spring wheel that rotatably is fixed in the housing, and first end of a disc spring is fixed on the housing, and second end is fixed on the disc spring wheel, and the middle part of disc spring is wound on the disc spring wheel.This chi belt wheel is provided with chi band gear, and the disc spring wheel is provided with the disc spring gear, and chi band gear and disc spring gearing mesh also realize transmission.
Because the chi band of tape measure and disc spring are wound on respectively on chi belt wheel and the disc spring wheel, therefore need in the chi band, not place disc spring by headspace, the chi band can directly be wound on the chi belt wheel, and diameter can reduce greatly behind the chi tape wrapping like this, takies less space in housing.Disc spring then is independent of the chi tape wrapping on the disc spring wheel, and disc spring does not take chi band inner space.
During use, the user spurs the chi hook and the chi band can be pulled out in housing, drives the chi belt wheel when chi band is drawn out and rotates, and the chi band gear that is arranged on the chi belt wheel also rotates thereupon.Because chi band gear and disc spring gearing mesh, chi band gear are rotated hour indicator spring gear and are rotated under the transmission of chi band gear thereupon, rotate thereby drive the disc spring wheel, the disc spring that is wound on the disc spring wheel is tightened up and is produced restoring force.When the user unclamped the chi hook, disc spring drove disc spring wheel counter-rotation under the effect of restoring force, and the disc spring gear is rotated, thereby brings chi band gear to rotate, and makes the chi belt wheel rotate and regain overhanging chi band.
This shows that tape measure of the present utility model can be stretched and reclaim easily, and chi belt wheel and disc spring wheel can be arranged side by side in design, and the diameter of chi belt wheel and disc spring wheel is all less, when being arranged side by side, the vertical width of tape measure housing is a bit larger tham the chi pulley diameters, compares with existing tape measure, its vertical width reduces greatly, even the chi strip length is longer, diameter is still less behind the chi tape wrapping, makes the vertical width of tape measure less, make things convenient for the user to hold, be convenient to carry out surveying work.
Description of drawings
Fig. 1 is the stereographic map of the utility model tape measure embodiment;
Fig. 2 is the front view of the utility model tape measure embodiment;
Fig. 3 is an A-A cutaway view Amplified image among Fig. 2;
Fig. 4 is the STRUCTURE DECOMPOSITION figure of the utility model tape measure embodiment;
Fig. 5 is existing a kind of tape measure structural representation.
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
Referring to Fig. 1 and Fig. 2, Fig. 1 with as 2 be respectively stereographic map and the front view of the utility model tape measure embodiment.In the present embodiment, tape measure comprises housing, and housing is fastened with body 2 by lid 1 to be formed.Lower housing portion has a slit 6, and an end of chi band 15 stretches out from slit 6, and is connected with chi hook 16.Also be provided with stop mechanism 5 on housing, stop mechanism 5 can lock chi band 15 under user's stirring or unlock.When the user used tape measure to measure, stretching chi hook 16 was also pulled out chi band 15, and stir stop mechanism 5 in housing, chi band 15 is locked in the appropriate position, and can observe the reading on the chi band 15.When reclaiming chi band 15, the user stirs stop mechanism 5, removes the locking of 5 pairs of chi bands 15 of stop mechanism, and chi band 15 is withdrawn rapidly under the effect of disc spring restoring force in the housing.
Referring to Fig. 3 and Fig. 4, Fig. 3 be among Fig. 2 along the cutaway view Amplified image of A-A direction, Fig. 4 is the STRUCTURE DECOMPOSITION figure of the utility model tape measure embodiment.By Fig. 3,4 as seen, be provided with chi belt wheel 11 in housing, chi belt wheel 11 is made up of chi spool of tape 13 and the chi band gear 12 that is arranged on chi spool of tape 13 1 ends, and chi spool of tape 13 is one-body molded with chi band gear 12.Have a straight trough 18 on chi spool of tape 13, first end of chi band 15 is packed in the straight trough 18, fixedlys connected with chi spool of tape 13 with this, and is wound on the chi spool of tape 13.Second end of chi band 15 passes slit 6 outer the extending outside the housing of lower housing portion, and is connected with chi hook 16.Be provided with spacer 17 in the side near lid 1, spacer 17 central authorities offer through hole.After the tape measure assembling, the upper end of chi spool of tape 13 is inserted in this through hole, and the upper end that spacer 17 is about to chi spool of tape 13 is fixed, and with this chi belt wheel 11 rotatably is fixed in the housing.
The inwall of body 2 is provided with chi belt wheel post 3, and chi belt wheel post 3 is a right cylinder, and the one end extends to and covers 1 inwall.The central authorities of chi belt wheel 11 are provided with through hole, and chi belt wheel 11 is sleeved on the chi belt wheel post 3 by this through hole and chi belt wheel post 3 rotations relatively.
In housing, also be provided with disc spring wheel post 4 and disc spring wheel 21, disc spring wheel 21 comprises disc spring seat 23 and disc spring gear 22.One end of disc spring wheel post 4 is fixed on the inwall of body 2, and the other end extends to and covers 1 inwall.Disc spring wheel post 4 is a right cylinder, has straight trough 7 thereon on the surface, and first end 26 of disc spring 25 can be fixed in the straight trough 7, and is wound on the disc spring wheel post 4.
Be provided with ring-type axle bed 29 on the inwall of lid 1, after disc spring seat 23 was installed in the housing, the top of disc spring seat 23 promptly was limited in promptly rotatably being fixed in the housing in the ring-type axle bed 29.
When the user uses tape measure to measure, pulling chi hook 16, chi band 15 promptly is stretched to outside the housing by slit 6.Because first end of chi band 15 is fixed on the chi spool of tape 13, when chi band 15 was stretched, chi spool of tape 13 was thereupon around 3 rotations of chi belt wheel post.During 13 rotations of chi spool of tape, chi band gear 12 is followed and is turned clockwise, thereby drives disc spring gear 22 rotations of meshing with chi band gear 12.
Rotating band Moving plate spring abutment 23 rotations of disc spring gear 22, disc spring 25 second ends 27 that are fixed on disc spring seat 23 perisporiums also are subjected to displacement thereupon, and disc spring 25 is tightened up and is produced restoring force.If the user stirs stop mechanism 5 with 15 lockings of chi band, the friction force that 5 pairs of chi bands of stop mechanism 15 produce is greater than the restoring force of disc spring 25, and chi band 15 will keep extended state, and the user can read the reading on the chi band 15 easily.
When the user need regain chi band 15, stir stop mechanism 5, the locking that stop mechanism 5 is removed chi band 15.At this moment, disc spring seat 23 turns clockwise under the effect of disc spring 25 restoring forces, turns clockwise thereby drive disc spring gear 22.Because the engagement of disc spring gear 22 and chi band gear 12, chi band gear 12 is rotated counterclockwise under the transmission of disc spring gear 22, and chi spool of tape 13 also just is rotated counterclockwise along with chi band gear 12.Like this, chi band 15 promptly is retracted in the housing.
The preferred scheme of the utility model is, the diameter of chi band gear 12 is less than the diameter of disc spring gear 22, be the number of teeth of the number of teeth of chi band gear 12 less than disc spring gear 22, like this, the number of turns that the number of turns that disc spring gear 22 rotates is rotated less than chi band gear, can make the length of the length of disc spring 25 less than chi band 15, the material of disc spring 25 so not only capable of reducing using also makes disc spring 25 coiling back diameters reduce.
This shows, can be regained in the housing easily after tape measure of the present utility model is stretched, and chi band 15 is wound on respectively on chi belt wheel 11 and the disc spring wheel 21 with disc spring 25.Because chi belt wheel 11 is taken turns 21 separate being arranged in the housing with disc spring, therefore need in chi band 15, not reserve the space of placing disc spring 25, diameter was less after chi band 15 was reeled, simultaneously, chi belt wheel 11 is arranged side by side in housing with disc spring wheel 21, and diameter was all less after chi band 15, disc spring 25 were reeled, and made the vertical width of housing of tape measure less.Like this, even the chi band is longer, diameter is still less behind the chi tape wrapping, and vertical width of housing is less, and what the user can be along tape measure vertically holds tape measure easily.
Certainly, the foregoing description only is an aforesaid way of the present utility model, in the practical application, more distortion can also be arranged.For example, first end of chi band directly is weldingly fixed on the chi belt wheel post, and perhaps the two ends of disc spring all use the method for welding to be fixed on the perisporium of disc spring wheel post and disc spring seat, also can realize the purpose of this utility model.Equally, not necessarily the diameter than disc spring gear is little for the diameter of chi band gear, and the diameter that big or chi band gear such as the diameter of two gears can be made is a bit larger tham the diameter of disc spring gear, and these change does not influence realization of the present utility model.
It is emphasized that at last; the utility model is not limited to above-mentioned embodiment, and the subtle change of the change of for example change of disc spring wheel shape, disc spring wheel fixed form, change of disc spring wheel building block or the like also should be included in the protection domain of the utility model claim.
Claims (5)
1, tape measure comprises
Accommodate the housing of chi band;
The chi belt wheel rotatably is fixed in the housing, and first end of a chi band connects also and is wound on the chi belt wheel, and it is overhanging and be connected with the chi hook that second end passes the slit that is formed on lower housing portion;
It is characterized in that:
The disc spring wheel rotatably is fixed in the housing, and first end of a disc spring is fixed on the housing, and second end is fixed on the described disc spring wheel, and the middle part of disc spring is wound on the disc spring wheel;
Described chi belt wheel is provided with chi band gear, and described disc spring wheel is provided with the disc spring gear;
Described chi band gear and described disc spring gearing mesh.
2, tape measure according to claim 1 is characterized in that:
Be provided with disc spring wheel post in the described housing;
Described disc spring wheel comprises
Be sleeved on the tubulose disc spring seat on the described disc spring wheel post;
Described disc spring gear is arranged on an end of disc spring seat;
First end of described disc spring connects and is wound on the described disc spring wheel post, and second end is fixedly connected on the perisporium of disc spring seat.
3, tape measure according to claim 2 is characterized in that:
Described disc spring wheel post is provided with a straight trough (7), and first end of disc spring is fixed in the described straight trough (7).
4, according to claim 2 or 3 described tape measures, it is characterized in that:
The perisporium of described disc spring seat is provided with a straight trough (24), and second end of disc spring is fixed in the described straight trough (24).
5, tape measure according to claim 1 is characterized in that:
The diameter of described chi band gear is less than the diameter of described disc spring gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200440069U CN201166538Y (en) | 2008-02-05 | 2008-02-05 | Band tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200440069U CN201166538Y (en) | 2008-02-05 | 2008-02-05 | Band tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166538Y true CN201166538Y (en) | 2008-12-17 |
Family
ID=40191928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200440069U Expired - Fee Related CN201166538Y (en) | 2008-02-05 | 2008-02-05 | Band tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201166538Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2486215A (en) * | 2010-12-07 | 2012-06-13 | Ko-An Chen | Slider case with cable retractor |
| GB2486401A (en) * | 2010-12-06 | 2012-06-20 | Ko-An Chen | Cable retractor |
| CN106461365A (en) * | 2015-03-17 | 2017-02-22 | 贝果实验室有限公司 | Length measuring device and length measuring system |
| CN109358424A (en) * | 2018-10-23 | 2019-02-19 | 重庆工程学院 | A VR device suitable for wearing in sports |
-
2008
- 2008-02-05 CN CNU2008200440069U patent/CN201166538Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2486401A (en) * | 2010-12-06 | 2012-06-20 | Ko-An Chen | Cable retractor |
| GB2486215A (en) * | 2010-12-07 | 2012-06-13 | Ko-An Chen | Slider case with cable retractor |
| GB2486215B (en) * | 2010-12-07 | 2013-01-30 | Ko-An Chen | Slider case having cable retractor |
| CN106461365A (en) * | 2015-03-17 | 2017-02-22 | 贝果实验室有限公司 | Length measuring device and length measuring system |
| CN109358424A (en) * | 2018-10-23 | 2019-02-19 | 重庆工程学院 | A VR device suitable for wearing in sports |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201166538Y (en) | Band tape | |
| US5251464A (en) | Bicycle lock with storable reel cable | |
| US7559154B2 (en) | Tape measure | |
| US4402472A (en) | Device for winding and reeling an elongated flexible member | |
| US20140377983A1 (en) | Retractable cable and cable rewind spool configuration | |
| CN112534205A (en) | Tape measure with retraction spring adjacent to tape reel | |
| CN114526654B (en) | Tape measure with epicyclic gear drive for tape retraction | |
| JPH0415897Y2 (en) | ||
| JP3915097B2 (en) | Retractable storage container | |
| CN113677540A (en) | Powder hopper with wire lock assembly | |
| GB2364689A (en) | Hose reel | |
| CN206634799U (en) | A kind of rolling-up mechanism for being used to wind different in width metal tape | |
| CN210594473U (en) | Plastic film coiling mechanism | |
| KR101350787B1 (en) | Automobile with automatic cover equipment | |
| US3474976A (en) | Self-forming-boom retracting and deploying apparatus | |
| JP5496784B2 (en) | Webbing take-up device | |
| CN213011349U (en) | Heat-transfer seal carbon ribbon winding and unwinding shaft | |
| CN114354244A (en) | skewer device | |
| CN115548802A (en) | Data line convenient to accomodate | |
| JP2015051846A (en) | Wrecker belt recovery system | |
| CN221031071U (en) | Anti-reverse structure of awning | |
| CN207382514U (en) | A kind of In-Ear Headphones | |
| JPH059352B2 (en) | ||
| CN223356039U (en) | Winding machine film material stretching device convenient for opening and closing cover | |
| CN209973808U (en) | Double-station unwinding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20100205 |