CN203928924U - Self-locking tape measure - Google Patents

Self-locking tape measure Download PDF

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Publication number
CN203928924U
CN203928924U CN201420342730.5U CN201420342730U CN203928924U CN 203928924 U CN203928924 U CN 203928924U CN 201420342730 U CN201420342730 U CN 201420342730U CN 203928924 U CN203928924 U CN 203928924U
Authority
CN
China
Prior art keywords
chi
chi band
tressel
self
latch segment
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.)
Withdrawn - After Issue
Application number
CN201420342730.5U
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Chinese (zh)
Inventor
池晓蘅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Great Star Industrial Co Ltd
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Hangzhou Great Star Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou Great Star Industrial Co Ltd filed Critical Hangzhou Great Star Industrial Co Ltd
Priority to CN201420342730.5U priority Critical patent/CN203928924U/en
Application granted granted Critical
Publication of CN203928924U publication Critical patent/CN203928924U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of self-locking tape measure, belong to survey instrument, the existing chi band automatically tape measure one side of location is pressed on chi band on chi box and realizes and locating, chi band easy damaged, retainer wearing and tearing are very fast, the scale of chi belt surface is also easy to wear, in the utility model shell, close on the position of opening and establish tressel, latch segment, locking spring, tressel is made as the length direction activity at this position along chi band, on tressel, establish supporting part and the portion that exerts pressure, latch segment is made as the above-below direction activity at this position with respect to chi band, latch segment is provided with lock part and pressurized inclined-plane, lock part, supporting part is positioned at respectively the upside of chi band, downside, the elastic force of locking spring is applied on tressel and impels the portion's pressure holding of exerting pressure to make lock part on pressurized inclined-plane, supporting part clamps locking from the upper and lower surface of chi band to chi band simultaneously, make the stressed evenly and not easily damaged distortion of chi band, also improved blessing efficiency, the wearing and tearing of latch segment and chi band are reduced, delay the scale-wearing of chi belt surface.

Description

Self-locking tape measure
Technical field
The utility model belongs to survey instrument, specifically a kind of self-locking tape measure.
Background technology
Common tape measure, chi band pull in shell can not be locked out voluntarily, needs manual locking, and to avoid chi band to be surprisingly involved in shell, operation is used trouble.
Granted publication number is that the Chinese utility model patent of CN2767951Y has disclosed the technical scheme of " a kind of chi band is the tape measure of location automatically ", and it includes chi box and sets within it and be wound on chi band, scotch, the spring on a wheel hub and run through the button that chi box arranges; Wherein, scotch is articulated in the position of contiguous ruler box mouth in chi box, and is positioned on chi band; Spring is also located at the position of contiguous ruler box mouth in chi box, and the head of scotch is maintained towards chi belt deflector until inconsistent with chi band; Medial extremity and the scotch of button offset, and this button drives scotch to depart from chi band in the time being pressed.
Publication number is that the Chinese invention patent application of CN 101187539A has disclosed " chi band is the tape measure of location automatically ", the bull stick that it comprises chi box and chi band, runs through the button of chi box setting, the elastic reseting part of reset power is provided and can be driven by button rotation to this button, bull stick bottom is articulated with a braked wheel, this braked wheel is positioned on chi band, rear side at braked wheel is also provided with an inclined-plane, this inclined-plane leans forward towards braked wheel, and bull stick bottom can be towards chi band to post deflection until make braked wheel and chi band and inclined-plane inconsistent.
Aforementioned two schemes, for realizing the automatic location to chi band, be all that with pressure chi being held on chi box realized, and chi box is always static, in the time that chi band is located, only to rely on scotch or braked wheel one side (from chi band front) that chi band is pressed on chi box, cause chi band because of unbalance stress easy damaged, retainer (scotch or braked wheel) wearing and tearing are very fast, reduce serviceable life, the scale of chi belt surface is also easy to wear, and impact is used.
Utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition be overcome existing chi band automatically the tape measure one side of location chi band is pressed on to the defect realizing on chi box due to location, provide a kind of can be from the both sides up and down of chi band the self-locking tape measure to chi locking.
For reaching the purpose of this utility model, self-locking tape measure self-locking tape measure of the present utility model, comprise shell, chi core assembly, chi band, unlock piece, described shell has opening, described chi core assembly is assemblied in described shell, described chi band is located in described opening, the outer end of described chi band is provided with to be linked up with and is positioned at outside described shell, the inner of described chi band is connected on described chi core assembly and is reeled on chi core assembly by the elastic force of described chi core assembly, described unlock piece is assemblied on described shell and its outer end is positioned at outside described shell, within its inner is positioned at described shell, it is characterized in that:
In described shell, close on the position of described opening and establish tressel, latch segment, locking spring, described tressel is made as the length direction activity at this position along described chi band, on described tressel, establish supporting part and the portion that exerts pressure, described latch segment is made as the above-below direction activity at this position with respect to described chi band, described latch segment is provided with lock part and pressurized inclined-plane, described lock part, supporting part is positioned at respectively the upside of described chi band, downside, the elastic force of described locking spring is applied on described tressel and impels the described portion that exerts pressure pressure holding on described pressurized inclined-plane, to make described lock part, supporting part clamps locking from the upper and lower surface of chi band to chi band simultaneously, the side that the inner of described unlock piece is positioned at described tressel pushes away described pressurized inclined-plane by the described portion of exerting pressure when operating unlock piece.
As optimization technique means: the two side of described shell is provided with corresponding horizontal loose slot, and described tressel is placed in the horizontal loose slot of described correspondence.
As optimization technique means: described latch segment is by the turnover two side that is assemblied in described shell of bearing pin.Especially, the two side of described shell is provided with the corresponding vertical loose slot with upper and lower activity space, and described bearing pin is positioned at described vertical loose slot.
As optimization technique means: described tressel has a perforating, the lower hole wall of described perforating forms described supporting part, the upper hole wall of described perforating forms the described portion that exerts pressure, and described latch segment stretches into described perforating, and described chi band passes in described perforating.Further, on described tressel and latch segment, set up the positioning and guiding groove and the positioning and guiding muscle that cooperatively interact separately.Described positioning and guiding muscle is positioned at the upper hole wall of described perforating, and described positioning and guiding groove is positioned at the centre on described pressurized inclined-plane.The sidewall of described perforating constrains in described latch segment in described perforating.Described latch segment stretches into described perforating from inside to outside.
As optimization technique means: the pressurized inclined-plane of described latch segment reduces from inside to outside gradually.
As optimization technique means: the portion of exerting pressure on described tressel is the inclined-plane consistent with described pressurized inclined-plane.
As optimization technique means: described shell is formed by two housings docking.
As optimization technique means: described unlock piece is rod member and is assemblied on the sidewall of described shell by the bearing pin at its middle part.
As optimization technique means: described locking spring is supported between described shell and tressel.
The utility model is established tressel by the position of opening in the enclosure, latch segment, locking spring, make the lock part of latch segment, the supporting part of tressel is positioned at respectively the upside of chi band, downside, tressel relies on the innervate portion that the exerts pressure pressure holding of frame of the elastic force of locking spring to make lock part on pressurized inclined-plane, supporting part is realized location from the upper and lower surface of chi band to chi band clamping locking simultaneously, realize in the course of action of location in clamping locking, lock part, supporting part is movable part, can the holding force of adaptive adjustment to chi band, the stressed evenly and not easily damaged distortion of chi band, the shorter distance of chi band indentation shell can realize clamping locking positioning, improve blessing efficiency, also the wearing and tearing that latch segment contacts with chi band have been reduced, extend the serviceable life of latch segment, delay the scale-wearing of chi belt surface.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of self-locking tape measure of the present utility model in self-locking state;
Fig. 2 is the structural representation of structure shown in Fig. 1 under released state;
Fig. 3 is the A portion structure enlarged diagram in Fig. 1;
Fig. 4 is the B portion structure enlarged diagram in Fig. 2;
Fig. 5 is the assembly relation schematic diagram of structure shown in Fig. 1;
Fig. 6 is the structural representation of the middle tressel of structure shown in Fig. 1;
Fig. 7 is the structural representation of the middle latch segment of structure shown in Fig. 1;
The structural representation of a housing in structure shown in Fig. 8 Fig. 1;
Number in the figure explanation:
01-shell
11-opening, 12-housing, the horizontal loose slot of 13-, the vertical loose slot of 14-, 15-housing;
02-chi band
21-hook;
03-unlock piece
31-bearing pin;
04-tressel
41-supporting part, the 42-portion that exerts pressure, 43-perforating, 44-positioning and guiding muscle;
05-latch segment
51-lock part, 52-pressurized inclined-plane, 53-bearing pin, 54-positioning and guiding groove;
06-locking spring;
07-chi core assembly.
Embodiment
Below in conjunction with Figure of description, the utility model is described further.
Self-locking tape measure of the present utility model, as Figure 1-5, it comprises shell 01, chi core assembly 07, chi band 02, unlock piece 03, shell 01 has opening 11, chi core assembly 07 is assemblied in shell 01, chi band 02 is located in opening 11, the outer end of chi band 02 is provided with hook 21 and is positioned at outside shell 01, the inner of chi band 02 is connected on chi core assembly 07 and by the elastic force of chi core assembly and reels on chi core assembly, unlock piece 03 is assemblied on shell 01 and its outer end is positioned at outside shell, within its inner is positioned at shell, in shell 01, close on the position of opening 11 and establish tressel 04, latch segment 05, locking spring 06, tressel 04 is made as length direction (left and right directions shown in Fig. 1-4) activity at this position along chi band, on tressel 04, establish supporting part 41 and exert pressure the 42(of portion referring to Fig. 6), latch segment 05 is made as with respect to chi band the above-below direction activity at this position, and (this above-below direction is the upper surface of chi band, the direction of lower surface), latch segment 05 is provided with lock part 51 and pressurized inclined-plane 52(referring to Fig. 7), lock part 51, supporting part 41 lays respectively at the upside of chi band 02, (described upside is a side of chi band upper surface to downside, Fig. 1-4 are depicted as a side of chi band top, described upside is a side of chi band lower surface, Fig. 1-4 are depicted as a side of chi band below), the elastic force of locking spring 06 is applied on tressel 04 and impels the portion's of exerting pressure 42 pressure holdings on pressurized inclined-plane 52, the dependence portion 42 that exerts pressure makes lock part 51 with coordinating of pressurized inclined-plane 52, supporting part 41 clamps locking (Fig. 1 from the upper and lower surface of chi band 02 to chi band simultaneously, state shown in 3), the side that the inner of unlock piece 03 is positioned at tressel 04 portion 42 that will exert pressure when operating unlock piece pushes away pressurized inclined-plane 52.
When wish pull-out chi band, as long as be firmly pulled outwardly chi band, in the time that pulling force overcomes the elastic force of locking spring, tressel 04 under the drive of chi band will to shown in opening 11(Fig. 1-4 left) do the movement of small amplitude, make the portion 42 that exerts pressure reduce the pressure on pressurized inclined-plane 52, the lock part 51 of latch segment 05, the supporting part 41 of tressel 04 are removed the clamping locking of chi band, and chi band can be drawn out easily.
In the time moving chi band to required length and unclamp, tressel 04 under the effect of locking spring 06 elastic force in shell 01 (shown in Fig. 1-4 to the right) mobile, impel the portion's of exerting pressure 42 pressure holdings on pressurized inclined-plane 52, the dependence portion 42 that exerts pressure realizes location (state shown in Fig. 1,3) from the upper and lower surface of chi band to chi band clamping locking with making lock part 51, supporting part 41 coordinating of pressurized inclined-plane 52 simultaneously, form self-locking, make the chi band can be because of the elastic force indentation shell of chi core assembly.
When shell regained by the chi band of pull-out by wish, with manual manipulation unlock piece 03, make the inner of unlock piece 03 portion 42 that will exert pressure push away pressurized inclined-plane 52(referring to Fig. 2, Fig. 4, tressel is pushed away left), the lock part 51 of latch segment 05, the supporting part 41 of tressel 04 are removed the clamping locking of chi band, and chi band can be wound onto on chi core assembly and be retracted under the elastic force effect of chi core assembly.
Realize in the course of action of location in clamping locking, lock part, supporting part are all movable, can the holding force of adaptive adjustment to chi band, the stressed evenly and not easily damaged distortion of chi band, the shorter distance of chi band indentation shell can realize clamping locking positioning, improved blessing efficiency, also reduced the wearing and tearing that latch segment contacts with chi band, extend latch segment serviceable life, delay the scale-wearing of chi belt surface.
As realizing a kind of version of tressel with respect to the length direction activity of chi band, the two side of shell 01 is provided with corresponding horizontal loose slot 13(referring to Fig. 8), tressel 04 is placed in corresponding horizontal loose slot 13.This structure, in ensureing tressel activity, is guaranteed the rigging position of tressel.
As realizing the latch segment a kind of version up and down with respect to chi band, latch segment 05 is by the turnover two side that is assemblied in shell 01 of bearing pin 53, up and down with respect to chi band by realizing latch segment around the upset of bearing pin.Especially, the two side of shell 01 is provided with the corresponding vertical loose slot 14(with upper and lower activity space referring to Fig. 8), this vertical loose slot 14 is trapezoidal as shown in Figure 8, bearing pin 53 is positioned at vertical loose slot 14, and the activity by bearing pin 53 in this vertical loose slot 14 realizes the activity of latch segment.In the time the chi band of pull-out being regained to shell with manual manipulation unlock piece, chi band in retraction shell can upwards be pushed latch segment open, make the contact force of latch segment and chi band be bordering on disappearance, chi band can be wound onto on chi core assembly and be retracted under the elastic force effect of chi core assembly.
For the frame that innervates, latch segment are reliably realized location to chi band clamping locking flexibly, tressel 04 has a perforating 43, the lower hole wall of perforating 43 forms supporting part 41, the upper hole wall of perforating 43 forms exerts pressure the 42(of portion referring to Fig. 6), latch segment 05 stretches into perforating 43, chi band 02 passes in perforating 43, herein the lower surface of chi band 02 towards supporting part 41, the upper surface of chi band 02 is towards lock part 51.In order to make (especially to exert pressure portion and pressurized inclined-plane from the process to being in contact with one another separated from one another) in course of action and exert pressure portion and the pressurized inclined-plane can accurate contraposition, on tressel 04 and latch segment 05, set up the positioning and guiding groove 54 and the positioning and guiding muscle 44 that cooperatively interact separately.Concrete, for making compact conformation, positioning and guiding muscle 44 is positioned at the upper hole wall (referring to Fig. 6) of perforating 43, and positioning and guiding groove 54 is positioned at the centre (referring to Fig. 7) on pressurized inclined-plane 52.Further, the sidewall of perforating 43 constrains in latch segment 05 in perforating and avoids latch segment to rock to the two side of shell.On position relationship, latch segment 05 from inside to outside (i.e. the opening to shell by the interior location of shell) stretches into perforating 43.
Concrete, the pressurized inclined-plane 52 of latch segment 05 from inside to outside (i.e. the opening to shell by the interior location of shell) reduces gradually.
For making tressel 04 and latch segment 05 matching coordinative, even to the holding force of chi band, the portion that exerts pressure 42 on tressel 04 is the inclined-plane consistent with pressurized inclined-plane 52.
For the ease of assembling, shell 01 is formed by 12,15 docking of two housings.
For easy and simple to handle, unlock piece 03 is assemblied on the sidewall of shell for rod member and by the bearing pin 31 at its middle part, therefore in the time of operation along the profile of shell 01 by Fig. 1,2 lower left pushing, can make unlock piece 03 tilting realize release.As the means that are equal to, can promote other structures that tressel is moved to the left and all can as mechanical driving etc.
And locking spring 06 is supported between shell 01 and tressel 04, illustrated locking spring is helical pressure, can be also the other forms of flexible members such as spring leaf while specifically enforcement.

Claims (14)

1. self-locking tape measure, comprise shell (01), chi core assembly (07), chi band (02), unlock piece (03), described shell (01) has opening (11), described chi core assembly (07) is assemblied in described shell (01), described chi band (02) is located in described opening (11), the outer end of described chi band (02) is provided with hook (21) and is positioned at outside described shell (01), the inner of described chi band (02) is connected to described chi core assembly (07) above and is reeled on chi core assembly by the elastic force of described chi core assembly, described unlock piece (03) is assemblied in described shell (01) above and its outer end is positioned at outside described shell (01), within its inner is positioned at described shell (01), it is characterized in that:
In described shell (01), close on the position of described opening (11) and establish tressel (04), latch segment (05), locking spring (06), described tressel (04) is made as the length direction activity at this position along described chi band (02), on described tressel (04), establish supporting part (41) and the portion that exerts pressure (42), described latch segment (05) is made as the above-below direction activity at this position with respect to described chi band (02), described latch segment (05) is provided with lock part (51) and pressurized inclined-plane (52), described lock part (51), supporting part (41) lays respectively at the upside of described chi band (02), downside, the elastic force of described locking spring (06) is applied on described tressel (04) and impels the described portion that exerts pressure (42) pressure holding above to make described lock part (51) on described pressurized inclined-plane (52), supporting part (41) clamps locking from the upper and lower surface of chi band (02) to chi band simultaneously, the side that the inner of described unlock piece (03) is positioned at described tressel (04) pushes away described pressurized inclined-plane (52) by the described portion that exerts pressure (42) when operating unlock piece.
2. self-locking tape measure according to claim 1, is characterized in that: the two side of described shell (01) is provided with corresponding horizontal loose slot (13), and described tressel (04) is placed in the horizontal loose slot (13) of described correspondence.
3. self-locking tape measure according to claim 1, is characterized in that: described latch segment (05) is by the turnover two side that is assemblied in described shell (01) of bearing pin (53).
4. self-locking tape measure according to claim 3, is characterized in that: the two side of described shell (01) is provided with the corresponding vertical loose slot (14) with upper and lower activity space, and described bearing pin (53) is positioned at described vertical loose slot (14).
5. self-locking tape measure according to claim 1, it is characterized in that: described tressel (04) has a perforating (43), the lower hole wall of described perforating (43) forms described supporting part (41), the upper hole wall of described perforating (43) forms the described portion that exerts pressure (42), described latch segment (05) stretches into described perforating (43), and described chi band (02) passes in described perforating (43).
6. self-locking tape measure according to claim 5, is characterized in that: on described tressel (04) and latch segment (05), set up the positioning and guiding groove (54) and the positioning and guiding muscle (44) that cooperatively interact separately.
7. self-locking tape measure according to claim 6, is characterized in that: described positioning and guiding muscle (44) is positioned at the upper hole wall of described perforating (43), and described positioning and guiding groove (54) is positioned at the centre on described pressurized inclined-plane (52).
8. self-locking tape measure according to claim 5, is characterized in that: the sidewall of described perforating (43) constrains in described latch segment (05) in described perforating (43).
9. self-locking tape measure according to claim 5, is characterized in that: described latch segment (05) stretches into described perforating (43) from inside to outside.
10. self-locking tape measure according to claim 1, is characterized in that: the pressurized inclined-plane (52) of described latch segment (05) reduces from inside to outside gradually.
11. self-locking tape measures according to claim 1, is characterized in that: the portion that exerts pressure (42) on described tressel (04) is the inclined-plane consistent with described pressurized inclined-plane (52).
12. self-locking tape measures according to claim 1, is characterized in that: described shell (01) is formed by two housings (12,15) docking.
13. self-locking tape measures according to claim 1, is characterized in that: described unlock piece (03) is assemblied on the sidewall of described shell (01) for rod member and by the bearing pin (31) at its middle part.
14. self-locking tape measures according to claim 1, is characterized in that: described locking spring (06) is supported between described shell (01) and tressel (04).
CN201420342730.5U 2014-06-25 2014-06-25 Self-locking tape measure Withdrawn - After Issue CN203928924U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420342730.5U CN203928924U (en) 2014-06-25 2014-06-25 Self-locking tape measure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420342730.5U CN203928924U (en) 2014-06-25 2014-06-25 Self-locking tape measure

Publications (1)

Publication Number Publication Date
CN203928924U true CN203928924U (en) 2014-11-05

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CN201420342730.5U Withdrawn - After Issue CN203928924U (en) 2014-06-25 2014-06-25 Self-locking tape measure

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105222661A (en) * 2014-06-25 2016-01-06 杭州巨星科技股份有限公司 Self-locking tape measure
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
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

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105222661A (en) * 2014-06-25 2016-01-06 杭州巨星科技股份有限公司 Self-locking tape measure
CN105222661B (en) * 2014-06-25 2017-09-05 杭州巨星科技股份有限公司 Self-locking tape measure
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

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20141105

Effective date of abandoning: 20170905