CN201532159U - Push-out type tape - Google Patents
Push-out type tape Download PDFInfo
- Publication number
- CN201532159U CN201532159U CN2009200476563U CN200920047656U CN201532159U CN 201532159 U CN201532159 U CN 201532159U CN 2009200476563 U CN2009200476563 U CN 2009200476563U CN 200920047656 U CN200920047656 U CN 200920047656U CN 201532159 U CN201532159 U CN 201532159U
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- CN
- China
- Prior art keywords
- tape measure
- roller
- chi band
- tape
- bearing pin
- 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 - Lifetime
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Abstract
The utility model relates to a push-out type tape which belongs to the technical field of measuring tools. The tape comprises a rolling disc arranged in a tape housing, a stopping and withdrawing mechanism and a roller wheel, wherein a tape belt and a rolling spring are wound around the periphery of the rolling disc, and the rolling spring is positioned on an inner ring of the tape belt; one end of the rolling spring is connected with one end of the tape belt, and the other end of the rolling spring is fixed on the rolling disc; the other end of the tape belt passes through the tape housing, a portion of the roller wheel is protruded from the tape housing, and the stopping and withdrawing mechanism is provided with a first position pressed and propped against the tape belt and a second position being far away from the tape belt; at least one side edge at the periphery of the rolling disc forms a friction wheel, and the rolling wheel is provided with two positions relative to the tape housing; and the roller wheel is in contact with the friction wheel being positioned in one of the two positions, and is separated from the friction wheel when being positioned in the two positions. Compared with the traditional tape, the push-out type tape has the advantages of simplification of structure, cost reduction, longer service life and low possibility of failure.
Description
Technical field
The utility model relates to a kind of tape measure, belongs to the survey instrument technical field.
Background technology
Conventional tape measure wants hand to grip tape measure in use usually, pulls out chi band in the tape measure with the another hand; Perhaps finish and pull out the chi band by two people, very inconvenient.In addition, make with foil because the chi band is many, its edge also injures in one's hands easily.For this reason, the tape measure that a kind of available proficiency gripped and can release the chi band has appearred at present.Two main common structures of this release chi belt tape measure are (can referring to the United States Patent (USP) of US7178257B2) as shown in Figure 1 and Figure 2.A kind of structure shown in Figure 1 is: chi band 1 is coiled in reel 2 all grooves, at tape measure case 3 internal fixation a pair of trundle 4-1,4-2 are arranged, one of them trundle 4-1 partly exposes outside the tape measure case 3, chi band 1 passes between a pair of trundle 4-1, the 4-2 and by a pair of trundle 4-1,4-2 and clamps, one end of chi band 1 passes tape measure case 3, stopping mechanism 5 can be stretched, contractive pressure by, leave chi band 1 with the stopping of control chi band 1, scrolling; Different is except that identical for another kind of structure shown in Figure 2 and structure shown in Figure 1, remove trundle 4-2, coaxial first driven wheel 6 that is equipped with on trundle 4-1, be engaged with each other by two transmission gears 8,9 coaxial being equipped with between second driven wheel, 7, the first driven wheels 6 and second driven wheel 7 on the reel 2.Release chi belt tape measure shown in Figure 1 is to rotate by finger push trundle 4-1, and chi band 1 is clamped between a pair of trundle 4-1, the 4-2, under the friction force effect of trundle 4-1 chi band 1 is released tape measure case 3.Release chi belt tape measure shown in Figure 2 is by finger push trundle 4-1 first driven wheel 6 to be rotated, driving reel 2 after two transmission gears 8,9 and 7 transmissions of second driven wheel rotates, thereby chi band 1 is released tape measure case 3, and stopping mechanism 5 is with shown in Figure 1 identical.
Above-mentioned release chi belt tape measure shown in Figure 1, though simple in structure, chi band 1 is to release tape measure case 3 by the friction force of trundle 4-1, use a period of time after, skid easily (friction force decline) and lost efficacy, cause tape measure normally not use; Therefore often adopt to post the non-skid film Problem of Failure of skidding on chi band 1, this causes chi band 1 cost of manufacture too high again.Above-mentioned release chi belt tape measure shown in Figure 2, complex structure increases the space in the tape measure case 3; And the multi-gear transmission is easy to generate transmission fault even transmission failure, causes tape measure normally not use.
The utility model content
The technical problems to be solved in the utility model is: at the shortcoming that above existing release chi belt tape measure exists, propose a kind of simple in structure, with low cost and be difficult for the push type tape measure of impaired inefficacy.
The technical scheme that the utility model solves the problems of the technologies described above is: a kind of push type tape measure, comprise the reel, stopping mechanism and the roller that are placed in the tape measure case, coiling has the chi band on the circumference of described reel, the inner ring of described chi band is set with wind spring and wind spring, and described wind spring is positioned at the inner ring of chi band; One end of described wind spring is connected with an end of chi band, and its other end is fixed on the reel; The other end of described chi band passes the tape measure case, and the part of described roller is exposed the tape measure case, and described stopping mechanism has the primary importance that presses the chi band and leaves the second place of chi band; Improvement is, at least one lateral edges of described reel circumference forms friction pulley, and the relative friction pulley of described roller has two positions; When roller was in one of two positions, it contacted with friction pulley; When roller be in two positions two the time, it separates with friction pulley.
Like this, push type tape measure of the present utility model in use, can be directly when being in one of two positions contact friction force that the back produces with friction pulley and drive reel and rotate (frictional resistance when this friction force overcomes stopping mechanism and presses the chi band and wind spring are to the pulling force of chi band), thereby release the chi band by roller with the hand propelled roller.Direct contact friction drives the reel rotation because push type tape measure of the present utility model is roller and friction pulley, therefore compares existing tape measure, and structure is simplified, reduced cost.Simultaneously, because push type tape measure of the present utility model is to make by the roller change in location to produce the circumference cambered surface friction between roller and the friction pulley, the planar friction and the gear drive that produce between a pair of trundle of comparing existing tape measure and the chi band, its friction serviceable life is longer, be difficult for inefficacy.In addition because the relative friction pulley of roller has two positions, when chi band during by the quick rollback of wind spring, roller separate with friction pulley and not can with friction pulley generation strong friction, thereby the wearing and tearing of minimizing roller and friction pulley and improve their serviceable life
Improvement of the technical scheme is: the both sides of the edge of described reel circumference form a pair of friction pulley.
Further improvement in the technical proposal is: described stopping mechanism comprises the turning handle by first bearing pin and tape measure lagging hinge, and described turning handle one end is provided with button, and the described turning handle other end is provided with casting die and spring; Described primary importance be turning handle along the bearing pin forward rotation and make pinch roller press the chi band, the described second place is that turning handle makes pinch roller leave the chi band along the bearing pin backward rotation.
The further improvement of technique scheme is: described roller is by second bearing pin and tape measure lagging hinge, and the described tape measure case and the second bearing pin hinged place are shaped on chute, and described second bearing pin can slide up and down along chute.
The perfect of technique scheme is: described casting die is pinch roller or drift ping.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is existing a kind of partial structurtes synoptic diagram of releasing chi belt tape measure.
Fig. 2 is the existing another kind of partial structurtes synoptic diagram of releasing chi belt tape measure.
Fig. 3 is the push type tape measure structural representation of the utility model embodiment one.
Fig. 4 is that the A-A of Fig. 3 is to cut-open view.
Fig. 5 is the push type tape measure structural representation of the utility model embodiment one.
Embodiment
Embodiment one
The push type tape measure of present embodiment comprises the reel 2, stopping mechanism and the roller 10 that are placed in the tape measure case 3 as shown in Figure 3 and Figure 4.Coiling has chi band 1 and wind spring (not shown) on the circumference of reel 2, and wind spring is positioned at the inner ring of chi band 1.One end of wind spring is connected with an end of chi band 1, and its other end is fixed on the reel 2; The other end of chi band 1 passes tape measure case 3.The part of roller 10 is exposed tape measure case 3.Stopping mechanism comprises that turning handle 12 1 ends are provided with button 13 by the hinged turning handle 12 of first bearing pin 11 and tape measure case 3, and turning handle 12 other ends are provided with pinch roller 14 and spring 15; Turning handle 12 has along bearing pin 11 forward rotation to be made pinch roller 14 press the primary importance of chi band 1 and makes pinch roller 14 leave the second place of chi band 1 along bearing pin 11 backward rotation, and turning handle 12 is in primary importance usually.
As shown in Figure 4, the both sides of the edge of reel 2 form a pair of friction pulley 16-1,16-2, and reel 2 forms circumferential groove between a pair of friction pulley 16-1,16-2, and chi band 1 is coiled in the circumferential groove.Roller 10 is hinged with tape measure case 3 by second bearing pin 17, and tape measure case 3 and second bearing pin, 17 hinged places are shaped on chute, and second bearing pin 17 can slide up and down along chute and make a pair of relatively friction pulley 16-1 of roller 10,16-2 have two positions; When roller 10 risings were in one of two positions, roller 10 contacted with a pair of friction pulley 16-1,16-2; When roller 10 descend be in two positions two the time, roller 10 divides with a pair of friction pulley 16-1,16-2 to be opened.
When using the push type tape measure of present embodiment, be in one of two positions that contact with a pair of friction pulley 16-1,16-2 with 10 risings of hand propelled roller, continue to make it to rotate with hand friction roller 10, the roller 10 that rotates produces friction with a pair of friction pulley 16-1, the 16-2 of reel 2 both sides, this moment, turning handle 12 was in primary importance, and pinch roller 14 is pressed against on the chi band 1.When the friction force of roller 10 and a pair of friction pulley 16-1,16-2 surpassed pinch roller 14 and presses the frictional resistance of chi band 1 and wind spring to the pulling force sum of chi band 1, reel 2 is driven to rotate, and chi band 1 promptly is pushed out tape measure case 3 gradually.When chi band 1 reached Len req, hand stopped to promote roller 10, and roller 10 falls and opens with a pair of friction pulley 16-1,16-2 branch, and chi band 1 presses at pinch roller 14 and keeps static under the resistance (this resistance is greater than the wind spring pulling force), can be used for measuring length this moment.After measuring, pushing button with hand 13 makes turning handle 12 backward rotation and makes pinch roller 14 leave chi band 1 again, and the wind spring of chi band 1 inner ring is promptly regained chi band 1.
Embodiment two
Present embodiment is the further improvement on embodiment one basis, and its structure and embodiment one are basic identical, as shown in Figure 5 different: the pinch roller 14 of stopping mechanism is substituted by drift ping 18, and spring 15 is substituted by shell fragment 19.
The utility model is not limited to described in the foregoing description, such as: 1) reel 2 also can only form a friction pulley at the one lateral edges; 2) pinch roller and drift ping can also have other casting dies to replace; Or the like.In addition to the implementation, all employings are equal to or the technical scheme that forms is replaced in equivalence, all drop on the protection domain of the utility model requirement.
Claims (5)
1. a push type tape measure comprises the reel, stopping mechanism and the roller that are placed in the tape measure case, and coiling has chi band and wind spring on the circumference of described reel, and described wind spring is positioned at the inner ring of chi band; One end of described wind spring is connected with an end of chi band, and its other end is fixed on the reel; The other end of described chi band passes the tape measure case, and the part of described roller is exposed the tape measure case, and described stopping mechanism has the primary importance that presses the chi band and leaves the second place of chi band; It is characterized in that: at least one lateral edges of described reel circumference forms friction pulley, and the relative friction pulley of described roller has two positions; When roller was in one of two positions, it contacted with friction pulley; When roller be in two positions two the time, it separates with friction pulley.
2. according to the described push type tape measure of claim 1, it is characterized in that: the both sides of the edge of described reel circumference form a pair of friction pulley.
3. according to the described push type tape measure of claim 2, it is characterized in that: described stopping mechanism comprises the turning handle by first bearing pin and tape measure lagging hinge, and described turning handle one end is provided with button, and the described turning handle other end is provided with casting die and spring; Described primary importance be turning handle along the bearing pin forward rotation and make casting die press the chi band, the described second place is that turning handle makes casting die leave the chi band along the bearing pin backward rotation.
4. according to the described push type tape measure of claim 3, it is characterized in that: described roller is by second bearing pin and tape measure lagging hinge, and the described tape measure case and the second bearing pin hinged place are shaped on chute, and described second bearing pin can slide up and down along chute.
5. according to the described push type tape measure of claim 4, it is characterized in that: described casting die is pinch roller or drift ping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200476563U CN201532159U (en) | 2009-07-21 | 2009-07-21 | Push-out type tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200476563U CN201532159U (en) | 2009-07-21 | 2009-07-21 | Push-out type tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201532159U true CN201532159U (en) | 2010-07-21 |
Family
ID=42527562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200476563U Expired - Lifetime CN201532159U (en) | 2009-07-21 | 2009-07-21 | Push-out type tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201532159U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9874428B1 (en) | 2016-10-05 | 2018-01-23 | Milwaukee Electric Tool Corporation | Tape measure with compact retraction system |
| US10054415B2 (en) | 2015-09-30 | 2018-08-21 | Milwaukee Electric Tool Corporation | Tape measure |
| CN111638074A (en) * | 2020-05-18 | 2020-09-08 | 农业农村部南京农业机械化研究所 | Portable plant protection unmanned aerial vehicle spray amplitude measuring device and method capable of being adjusted rapidly |
| US10836603B2 (en) | 2017-03-22 | 2020-11-17 | Milwaukee Electric Tool Corporation | Tape measure with epicyclic gear drive for tape retraction |
| US11846504B2 (en) | 2016-10-05 | 2023-12-19 | Milwaukee Electric Tool Corporation | Tape measure with compact retraction system |
| US12017885B2 (en) | 2017-03-22 | 2024-06-25 | Milwaukee Electric Tool Corporation | Tape measure with epicyclic gear drive for tape retraction |
-
2009
- 2009-07-21 CN CN2009200476563U patent/CN201532159U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10054415B2 (en) | 2015-09-30 | 2018-08-21 | Milwaukee Electric Tool Corporation | Tape measure |
| US10767970B2 (en) | 2015-09-30 | 2020-09-08 | Milwaukee Electric Tool Corporation | Tape measure |
| US9874428B1 (en) | 2016-10-05 | 2018-01-23 | Milwaukee Electric Tool Corporation | Tape measure with compact retraction system |
| US10132605B2 (en) | 2016-10-05 | 2018-11-20 | Milwaukee Electric Tool Corporation | Tape measure with compact retraction system |
| US10458771B2 (en) | 2016-10-05 | 2019-10-29 | Milwaukee Electric Tool Corporation | Tape measure with compact retraction system |
| US10876825B2 (en) | 2016-10-05 | 2020-12-29 | Milwaukee Electric Tool Corporation | Tape measure with compact retraction system |
| US11466970B2 (en) | 2016-10-05 | 2022-10-11 | Milwaukee Electric Tool Corporation | Tape measure with compact retraction system |
| US11846504B2 (en) | 2016-10-05 | 2023-12-19 | Milwaukee Electric Tool Corporation | Tape measure with compact retraction system |
| US10836603B2 (en) | 2017-03-22 | 2020-11-17 | Milwaukee Electric Tool Corporation | Tape measure with epicyclic gear drive for tape retraction |
| US11427434B2 (en) | 2017-03-22 | 2022-08-30 | Milwaukee Electric Tool Corporation | Tape measure with epicyclic gear drive for tape retraction |
| US12017885B2 (en) | 2017-03-22 | 2024-06-25 | Milwaukee Electric Tool Corporation | Tape measure with epicyclic gear drive for tape retraction |
| CN111638074A (en) * | 2020-05-18 | 2020-09-08 | 农业农村部南京农业机械化研究所 | Portable plant protection unmanned aerial vehicle spray amplitude measuring device and method capable of being adjusted rapidly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100721 |