CN206601133U - Telescopic levelling staff - Google Patents
Telescopic levelling staff Download PDFInfo
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- CN206601133U CN206601133U CN201720320846.2U CN201720320846U CN206601133U CN 206601133 U CN206601133 U CN 206601133U CN 201720320846 U CN201720320846 U CN 201720320846U CN 206601133 U CN206601133 U CN 206601133U
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- cavity
- sliding
- ruler
- secondary ruler
- levelling staff
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Abstract
The utility model discloses a kind of telescopic levelling staff, including main scale and the main cavity being arranged in main scale, sliding is connected with secondary ruler in the main cavity, at least side is provided with secondary cavity to the secondary ruler in the width direction, sliding is connected with sliding part in the secondary cavity, and the elastic component that width of the driving sliding part along secondary cavity is displaced outwardly is provided between the secondary cavity and sliding part.Levelling staff is set to such a structure, can be on the premise of flexible sexual function be realized, it ensure that the sliding part top of stretching, extension with main scale top end in same level, efficiently solve the problem on deformation that sliding position gap is caused, the accuracy of measurement result is improved, the flexibility of testing length is added.In addition, being provided with position-limit mechanism between main scale and secondary ruler, the relative position of main scale and secondary ruler has effectively been locked, it is to avoid secondary ruler any phenomenon for sliding or slipping from main cavity, it is ensured that stability and integrality during levelling staff use.
Description
Technical field
The utility model is related to levelling staff technical field, specifically, is a kind of telescopic levelling staff.
Background technology
In detection, measurement, line, equipment installation, the operation process of industrial construction, it is often necessary to the level of detection object
Degree or perpendicularity, the survey tool that generally we use is levelling staff.Common levelling staff has three glass tubes, laterally
Glass tube be that, for measuring horizontal plane, vertical glass tube is that, for measuring vertical plane, another is then for measuring
45 degree of angles.There is an air level in each glass tube, levelling staff is placed on testee during measurement, air level
Which side is inclined to, then illustrates that position is deviateed, it is necessary to adjust the height of the side over there, when adjust be located at center to air level when, show
Testee is level in the direction.
In work progress, the distance between object to be detected is not fixed, and is had with short, and existing denominator scale
Length is fixed, it is necessary to prepare the levelling staff of multiple length specifications, carries and deposit very inconvenient, therefore design a length
Spend flexible levelling staff necessary.
Publication No. CN2560920Y Chinese patent discloses a kind of shrinkage-rule, and the two ends of main scale pass through shrinkage-rule respectively
The left and right end body of main scale is connected, the length of levelling staff can be changed at any time according to actual conditions in operation process, it is convenient real
With.But in the structure of this patent offer, after levelling staff extends, secondary ruler is in vacant state, not with object to be measured
Contact, measurement result has error.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of telescopic levelling staff, improves
The accuracy of measurement result.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of telescopic water fiducial mark
Chi, including main scale and the main cavity being arranged in main scale, the main cavity is provided through opening along main scale length direction, described
Sliding is connected with secondary ruler in main cavity, and at least side is provided with cunning in secondary cavity, the secondary cavity to the secondary ruler in the width direction
Shifting is connected with sliding part, and width of the driving sliding part along secondary cavity is provided between the secondary cavity and sliding part and is moved out
Dynamic elastic component.
By using above technical scheme, when the length of object to be detected is more than main scale length, secondary ruler is stretched out, it is secondary
Chi is removed out of main cavity, and the squeezing action power of sliding part acceptor's cavity sidewalls in secondary cavity disappears, and is arranged on secondary sky
Elastic component between chamber and sliding part gradually can be risen in resilience, and the resilient element urges sliding part that resilience rises is displaced outwardly, after movement
Sliding part top and main scale top end are in same level, so when secondary ruler is extracted, the upper and lower side of secondary ruler and main scale it is upper
Lower end is in same level；After levelling staff has been used, secondary ruler is inwardly withdrawn, sliding part can be squeezed by the side wall of main cavity
Pressure, the elastic component of contraction pulls sliding part gradually to retract in secondary cavity, and secondary ruler is progressed into main cavity.Such a levelling staff,
A kind of telescopic structure is provide not only, and solves sliding position gap and causes to measure inaccurate problem, survey is improved
Measure the accuracy of result.
Further, the sliding part is provided with scale along along its length direction.
By using above technical scheme, scale is set in sliding part length bearing of trend, extends the measurement of levelling staff
Length, so as to facilitate record data, the length of flexible modulation test, improves the efficiency and precision of test.
Further, the sliding part includes the sliding shoe that length is equal to secondary cavity length, and the elastic component is in secondary ruler
It is uniformly distributed on length direction.
By using above technology, sliding shoe is identical with the length of sliding part, so can not only ensure that sliding part is overall
Balance and integrality, and whole secondary ruler can be made completely to stretch into main cavity, operate it is simpler directly；By elasticity
Part is uniformly arranged on the length direction of secondary ruler, can make secondary ruler force balance, can be avoided in addition because indivedual elastic components are damaged
Go bad or fail and influence the using effect of secondary ruler, extend the service life of levelling staff.
Further, the top of the sliding shoe length direction is provided with corresponding with opening and led to secondary ruler inclined first
To face.
By using above technical scheme, guide effect is played in the movement for being set to secondary ruler of the first spigot surface so that sliding
It is dynamic to be easier to carve conjunction between portion and main cavities open, it is more beneficial for secondary ruler and smoothly enters in main cavity.
Further, the sliding part is included along the equally distributed sub- sliding shoe in secondary cavity length direction, the elastic component
It is arranged between each sub- sliding shoe and secondary cavity.
By using above technical scheme, sub- sliding shoe and elastic component correspond, cooperated, and add secondary ruler stretching
The flexibility of length, according to the physical length of testee, suitable sub- sliding shoe position is stretched to by secondary ruler, the son spilt is sliding
Motion block compression active force is cancelled, and can be stretched out in the presence of corresponding elastic component out of secondary cavity, the sub- sliding shoe top stretched out
End is with main scale top end in same level, it is ensured that the accuracy of test result.
Further, the sub- sliding shoe is led along being provided at both ends with to secondary ruler direction inclined second for secondary ruler length direction
To face.
By using above technical scheme, each sub- sliding shoe that be set to of the second spigot surface is provided into main cavity
Buffer structure so that during secondary ruler withdraws main cavity, each sub- sliding shoe can smoothly enter main cavity.
Further, it is provided with the secondary cavity and is provided with what is coordinated with lead in lead, the sub- sliding shoe
Guide groove, the elastic component is the spring being set on lead, and one end of the spring is abutted with the bottom of sub- sliding shoe, institute
The other end for stating spring is abutted with the inwall of secondary cavity.
By using above technical scheme, spring is arranged on lead, for spring provide one specify it is flexible
Direction, can avoid the invalid double swerve of spring and influence its using effect；One end of spring abuts sub- sliding shoe, the other end
Secondary cavity inner wall is abutted, when group sliding shoe is pushed by active force, the compression of spring quilt sliding shoe, the relatively secondary cavity of sub- sliding shoe
The distance of inwall reduces, and sub- sliding shoe enters in secondary cavity；When group sliding shoe is cancelled by active force, spring acceptor sliding shoe pressure
Contracting is eliminated, the distance increase of the relatively secondary cavity inner wall of sub- sliding shoe, and sub- sliding shoe stretches out from secondary cavity, so as to complete sub- cunning
The relative motion of the relatively secondary cavity of motion block.
Further, the position-limit mechanism for setting restricted secondary ruler to slide between the secondary ruler and main scale.
By using above technical scheme, it is necessary to which the length of levelling staff is fixed after length needed for secondary ruler is stretched to,
Therefore position-limit mechanism is set therebetween.The setting of position-limit mechanism, can play what secondary ruler and main scale relative position were fixed
Effect, is prevented effectively from secondary ruler any phenomenon slided or dropped in main cavity.
Further, the position-limit mechanism includes groove, the first connecting spring and the first spacing bullet being arranged in secondary ruler
Ball, one end of first connecting spring is connected with groove, and the other end of first connecting spring and the first spacing marble connect
Connect, the first spacing hole with the first spacing marble inlay card is provided with the main scale.
By using above technical scheme, after secondary ruler is pulled out from main cavity, first positioned at the left top of secondary ruler is spacing
Marble and the mutual inlay card of the first spacing hole positioned at the right top of main scale, so that the relative position of main scale and secondary ruler be fixed；Work as pair
Chi is put in after main cavity inside, the first spacing marble positioned at the right top of secondary ruler and the first spacing hole phase positioned at the right top of main scale
Mutual inlay card, so that secondary ruler is fixed on into main cavity inside, it is to avoid slip.
Further, the position-limit mechanism is connected to insertion slot length side including the through slot through secondary ruler setting, sliding
To the second spacing marble, second connecting spring at two ends, the two ends of second connecting spring respectively with two the second spacing bullets
Ball is connected, and the second spacing hole with the second spacing marble inlay card is provided with the main scale.
By using above technical scheme, according to the physical length of testee, secondary ruler is stretched to required length step by step,
Second spacing marble of relevant position can in the presence of the second connecting spring with the second spacing hole carry out inlay card, so as to fix
Position between main scale and secondary ruler.
In summary, the utility model has the following effects that：
1st, sliding shoe, elastic component and the secondary cavity that secondary ruler both sides are set cooperate, and can be stretched realizing levelling staff
On the premise of sexual function, it is ensured that the sliding shoe top after stretching, extension in same level, is efficiently solved with main scale top end
The problem on deformation that sliding position gap is caused, improves the accuracy of measurement result；
2nd, sub- sliding shoe, elastic component and the secondary cavity being uniformly arranged along secondary cavity length direction cooperate, being capable of basis
Sub- sliding shoe top and main scale top after the physical length of testee, the tensile elongation of flexible modulation secondary ruler, and stretching, extension
It is in same level, adds the flexibility of testing length；
3rd, position-limit mechanism is provided between main scale and secondary ruler, the relative position of main scale and secondary ruler has effectively been locked, it is to avoid
Secondary ruler any phenomenon for sliding or slipping from main cavity, it is ensured that stability during levelling staff use and complete
Property.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1 and embodiment 2 in contraction state；
Fig. 2 is structural representation of the embodiment 1 in extended state；
Fig. 3 is diagrammatic cross-section of the embodiment 1 in extended state；
Fig. 4 is the enlarged diagrams of A portions shown in Fig. 3；
Fig. 5 is the diagrammatic cross-section of the spacing marble link position of embodiment 1；
Fig. 6 is structural representation of the embodiment 2 in extended state；
Fig. 7 is the diagrammatic cross-section of the lead link position of embodiment 2；
Fig. 8 is the diagrammatic cross-section of the spacing marble link position of embodiment 2 second.
In figure：1st, main scale；11st, main cavity；12nd, it is open；2nd, secondary ruler；21st, secondary cavity；3rd, air level；4th, handle；5th, slide
Portion；51st, sliding shoe；511st, the first spigot surface；6th, elastic component；7th, scale；8th, sub- sliding shoe；81st, the second spigot surface；10th, it is oriented to
Post；101st, spring；13rd, guide groove；14th, position-limit mechanism；141st, groove；142nd, the first connecting spring；143rd, the first spacing marble；
144th, the first spacing hole；145th, through slot；146th, the second connecting spring；147th, the second spacing marble；148th, the second spacing hole.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment 1：
A kind of telescopic levelling staff, its structure as depicted in figs. 1 and 2, including main scale 1, the scalable pair in main scale 1
Chi 2, the air level 3 for being arranged on the outer surface of main scale 1 and the handle 4 for being separately positioned on main scale 1 and the end of secondary ruler 2.
As shown in figure 3, being provided with the main cavity 11 being adapted with the size of secondary ruler 2 in main scale 1, main cavity 11 is grown along main scale 1
Degree direction is provided through the opening 12 entered for secondary ruler 2, and secondary ruler 2 is by the opening 12 into or away from main cavity 11.
As shown in Fig. 2 handle 4 is arranged on the end of main scale 1 and secondary ruler 2, handle 4 is set in hollow, convenient when carrying
Hand is exerted oneself, comfortable feel, while the direct hung on a wall of levelling staff can be stored and carried by hollow structure in storage
It is more convenient.
As shown in Fig. 2 air level 3 be used for detect, commissioning device whether installation level.Denominator scale includes three water
Quasi- bubble, each air level is placed in corresponding glass tube, if glass tube is horizontal, and explanation is for measuring horizontal plane；If
Glass tube is vertical, and explanation is that, for measuring vertical plane, if glass tube is inclined, explanation is for measuring 45 degree of angles
's.Levelling staff is placed on testee during measurement, which side air level is inclined to, then illustrates that position is deviateed, it is necessary to adjust over there
Save the height of the side, when adjust to air level be located at center when, it is level in the direction to show testee.In addition, according to
Two cross spiders determine the principle of a plane, it is necessary to just can determine that this in two not parallel position measurements in approximately the same plane
The level condition of plane.
As shown in Figure 3 and Figure 4, structural representation when being levelling staff extended configuration, the sliding of secondary ruler 2 is connected to main cavity
In 11, secondary ruler 2 is by opening 12 into or away from main cavity 11；The both sides of secondary ruler 2 in the width direction are provided with secondary cavity 21,
Sliding is connected with sliding part 5 in secondary cavity 21, and sliding part 5 includes the sliding shoe 51 that length is equal to the secondary length of cavity 21, works as slip
Block 51 can enter in secondary cavity 21 when being squeezed, and now the outer surface of sliding shoe 51 and the outer surface of secondary ruler 2 are bonded to each other.It is sliding
Motion block 51 is provided with scale 7 along along its length direction, by calibrating 7, can read the length that secondary ruler 2 is stretched or shunk
Degree, so that convenient record, improves the efficiency and precision of test.Elastic component 6, bullet are provided between secondary cavity 21 and sliding shoe 51
Property part 6 be spring, elastic component 6 can drive width of the sliding shoe 51 along secondary cavity 21 to be displaced outwardly.
As shown in Figure 3 and Figure 4, in order to ensure balance and integrality that sliding shoe 51 is overall, at the same in order to avoid due to
Indivedual elastic components 6 damage or failure effect secondary ruler 2 using effect, be uniformly arranged elastic component 6 on the length direction of secondary ruler 2,
Length direction of the elastic component 6 along secondary ruler 2 is evenly distributed in secondary cavity 21, and one end of elastic component 6 is welded with secondary cavity 21, bullet
The other end of property part 6 is welded with secondary ruler 2；The top of the length direction of sliding shoe 51 is provided with corresponding with opening 12 and inclined to secondary ruler 2
The first oblique spigot surface 511, the mobile offer guide effect for being set to secondary ruler 2 of the first spigot surface 511 so that sliding part 5 with
It is easier to carve conjunction between the opening 12 of main cavity 11, is more beneficial for secondary ruler 2 and smoothly enters in main cavity 11.
As shown in Figure 4 and Figure 5, it is necessary to which secondary ruler 2 and the relative position of main scale 1 are consolidated after length needed for secondary ruler 2 is stretched to
It is fixed, therefore position-limit mechanism 14 is set therebetween, position-limit mechanism 14 includes the groove for being arranged on the left top of secondary ruler 2 and right top
141, as shown in figure 5, being provided with the first connecting spring 142 and the first spacing marble 143 in groove 141；First connecting spring 142
One end be connected with groove 141, the other end of the first connecting spring 142 is connected with the first spacing marble 143, when the first spacing bullet
When ball 143 is pushed by active force, the first connecting spring 142 can be forced to shrink, the first spacing marble 143 are contracted in groove 141.
The first spacing hole 144 with the first spacing inlay card of marble 143 is provided with close to the top of secondary ruler 2 in main scale 1；When secondary ruler 2 is from master
After being stretched in cavity 11, the first spacing marble 143 positioned at the left top of secondary ruler 2 and the first spacing hole positioned at the right top of main scale 1
144 mutual inlay cards, so that main scale 1 and the relative position of secondary ruler 2 be fixed；After secondary ruler 2 puts in main 11 inside of cavity, positioned at pair
The first spacing marble 143 on the right top of chi 2 and the mutual inlay card of the first spacing hole 144 positioned at the right top of main scale 1, so that by secondary ruler
2 are fixed on inside main cavity 11.The setting of position-limit mechanism 14, can play a secondary ruler 2 and be fixed with the relative position of main scale 1, effectively
Avoid any phenomenon slided or dropped in main cavity 11 of secondary ruler 2.
The course of work of embodiment 1 is：When using the telescopic levelling staff detection object, hold handle 4 and be pulled outwardly
Secondary ruler 2 is stretched, secondary ruler 2 is gradually moved out by opening 12 out of main cavity 11, the acceptor of sliding shoe 51 in secondary cavity 21 is empty
The squeezing action power of the side wall of chamber 11 is cancelled, and being arranged on the elastic component 6 between secondary cavity 21 and sliding shoe 51, gradually resilience rises, resilience
The elastic component 6 risen promotes sliding shoe 51 to be displaced outwardly, and the side wall of sliding shoe 51 and the side-walls of main scale 1 after movement are in same level
Face, that is to say, that when secondary ruler 2 is extracted, the upper and lower side of secondary ruler 2 is in same level with the upper and lower side of main scale 1；When making
It is finished after levelling staff, inwardly extruding sliding shoe 51, holds handle 4 and press inward against secondary ruler 2, secondary ruler 2 is gradually entered by opening 12
Cavity 11 is become owner of, sliding shoe 51 can be by the sidewall extrusion of main cavity 11, and elastic component 6 is to contract, so that sliding shoe 51 is gradually
Retract in secondary cavity 21, secondary ruler 2 is progressed into main cavity 11.Such a levelling staff, provide not only a kind of extension type knot
Structure, and the problem on deformation that sliding position gap is caused is solved, improve the accuracy of measurement result.
Embodiment 2：
As shown in fig. 6, structural representation during for 2 extended configuration of embodiment, compared with Example 1, sliding part 5 and spacing
Structure 14 is different.In example 2, as shown in fig. 7, sliding part 5 is including equally distributed along the secondary length direction of cavity 21
Sub- sliding shoe 8, the surface of each sub- sliding shoe 8 is provided with the scale 7 in Fig. 6, adds the flexibility of the tensile elongation of secondary ruler 2,
Secondary ruler 2 can be stretched to by the suitable sub- position of sliding shoe 8 according to the physical length of testee.The sub- sliding shoe 8 spilt by
Press active force to cancel, can be stretched out in the presence of corresponding sub- sliding shoe 8 out of secondary cavity 21, the sub- sliding shoe 8 stretched out is pushed up
End is with the top end of main scale 1 in same level.Sub- sliding shoe 8 is provided at both ends with to the direction of secondary ruler 2 along the length direction of secondary ruler 2
Inclined second spigot surface 81, each sub- sliding shoe 8 that be set to of the second spigot surface 81 provides the buffering for entering main cavity 1
Structure so that during secondary ruler 2 withdraws main cavity 11, each sub- sliding shoe 8 can smoothly enter main cavity 1.
As shown in Figure 6 and Figure 7, it is provided with to be provided with lead 10, sub- sliding shoe 8 in secondary cavity 21 and matches somebody with somebody with lead 10
The guide groove 13 of conjunction, the outside of lead 10 is arranged with spring 101, and one end of spring 101 is abutted with the bottom of sub- sliding shoe 8, bullet
The other end of spring 101 is abutted with the inwall of secondary cavity 21；Spring 101 is arranged on lead 10, is that spring 101 provides one
Vertically with the telescopic direction of the secondary bottom of cavity 23, the invalid double swerve of spring 101 can be avoided and its using effect is influenceed；When
When sub- sliding shoe 8 is pushed by active force, the quilt of spring 101 slides 8 pieces of compressions, the relatively secondary inwall of cavity 21 of sub- sliding shoe 8 away from
From reduction, sub- sliding shoe 8 enters in secondary cavity 21；When group sliding shoe 8 is cancelled by active force, the acceptor sliding shoe 8 of spring 101 is pressed
Contracting is eliminated, the distance increase of the relatively secondary inwall of cavity 21 of sub- sliding shoe 8, and sub- sliding shoe 8 stretches out from secondary cavity 21, so as to complete
The relative motion of the relatively secondary cavity 21 of sub- sliding shoe 8.
As shown in Figure 6 and Figure 8, the position-limit mechanism 14 between connection main scale 1 and secondary ruler 2 includes：Through secondary ruler thickness direction
Through slot 145, sliding is connected in the second spacing marble 147 of the axial direction of through slot 145, through slot 145 and is provided with the second company
Connect spring 146, the two ends of the second connecting spring 146 are connected with two the second spacing marble 147 respectively, be provided with main scale 1 with
Second spacing hole 148 of the second spacing inlay card of marble 147.According to the physical length of testee, secondary ruler 2 is stretched to institute step by step
Length is needed, the second spacing meeting of marble 147 of relevant position is entered in the presence of the second connecting spring 146 with the second spacing hole 148
Row inlay card, so as to fix the position between main scale 1 and secondary ruler 2.
The course of work of embodiment 2 is：Hold handle 4 outwards firmly, the second spacing marble 147 of the low order end of secondary ruler 2 by
The extruding of the main side wall of cavity 11 and be contracted in through slot 145, the second spacing marble vertical corresponding sub- sliding shoe 8 about 147
Gradually stretched out from secondary cavity 21, with stretching out for secondary ruler 2, the sub- sliding shoe 8 of the second spacing marble 147 and relevant position
Eject successively, according to the physical length of testee, secondary ruler 2 is stretched to the suitable sub- position of sliding shoe 8, secondary ruler is regulated and controled step by step
The length of 2 stretchings, the second spacing marble 147 of relevant position can be automatically extended into the second spacing hole 148, the sub- sliding shoe spilt
8 compression active forces are cancelled, and can be stretched out in the presence of corresponding sub- sliding shoe 8 out of secondary cavity 21, the sub- sliding shoe 8 stretched out
Top is with the top end of main scale 1 in same level, it is ensured that the accuracy of test result.When secondary ruler 2 is completely from main cavity 11
During middle pull-out, the second spacing marble 147 positioned at the high order end of secondary ruler 2 can be stretched out by the second spacing hole 148, so as to fix
Position between main scale 1 and secondary ruler 2.Using complete telescopic levelling staff, be suspended on by handle 4 at nail in the walls or
Keep flat on the ground.Such a structure design, not only realizes the telescopic function of levelling staff, sliding position gapless,
And secondary ruler can be pulled step by step according to the physical length of testee, the length-flexible of levelling staff is controllable, and perfection is solved
The problem on deformation that sliding position gap is caused, improves the accuracy of measurement result.
Finally it should be noted that this specific embodiment is only to explain of the present utility model, it is not to this practicality
New limitation, those skilled in the art can make to the present embodiment and not create after this specification is read as needed
The modification of the property made contribution, but as long as all being protected in right of the present utility model by Patent Law.
Claims (10)
1. a kind of telescopic levelling staff, including main scale（1）Be arranged on main scale（1）Interior main cavity（11）, the main cavity
（11）Along main scale（1）Length direction is provided through opening（12）, the main cavity（11）Interior sliding is connected with secondary ruler（2）, its
It is characterised by：The secondary ruler（2）At least side is provided with secondary cavity in the width direction（21）, the secondary cavity（21）Interior sliding connects
It is connected to sliding part（5）, the secondary cavity（21）With sliding part（5）Between be provided with driving sliding part（5）Along secondary cavity（21）It is wide
The elastic component that degree direction is displaced outwardly（6）.
2. telescopic levelling staff according to claim 1, it is characterised in that：The sliding part（5）Along its length side
Scale is set up（7）.
3. telescopic levelling staff according to claim 1, it is characterised in that：The sliding part（5）It is equal to including length
Secondary cavity（21）The sliding shoe of length（51）, the elastic component（6）In secondary ruler（2）Length direction on be uniformly distributed.
4. telescopic levelling staff according to claim 3, it is characterised in that：The sliding shoe（51）The top of length direction
End is provided with and opening（12）Correspondence and to secondary ruler（2）Inclined first spigot surface（511）.
5. telescopic levelling staff according to claim 1, it is characterised in that：The sliding part（5）Including along secondary cavity
（21）The equally distributed sub- sliding shoe of length direction（8）, the elastic component（6）It is arranged on each sub- sliding shoe（8）It is empty with pair
Chamber（21）Between.
6. telescopic levelling staff according to claim 5, it is characterised in that：The sub- sliding shoe（8）Along secondary ruler（2）It is long
Degree direction is provided at both ends with to secondary ruler（2）Inclined second spigot surface in direction（81）.
7. telescopic levelling staff according to claim 5, it is characterised in that：The secondary cavity（21）Inside it is provided with guiding
Post（10）, the sub- sliding shoe（8）Inside it is provided with and lead（10）The guide groove of cooperation（13）, the elastic component（6）For set
It is located at lead（10）On spring（101）, the spring（101）One end and sub- sliding shoe（8）Bottom abut, the bullet
Spring（101）The other end and secondary cavity（21）Inwall abut.
8. telescopic levelling staff according to claim 1, it is characterised in that：The secondary ruler（2）With main scale（1）Between set
It is equipped with limitation secondary ruler（2）The position-limit mechanism of slip（14）.
9. telescopic levelling staff according to claim 8, it is characterised in that：The position-limit mechanism（14）Including being arranged on
Secondary ruler（2）On groove（141）, the first connecting spring（142）With the first spacing marble（143）, first connecting spring
（142）One end and groove（141）Connection, first connecting spring（142）The other end and the first spacing marble（143）Even
Connect, the main scale（1）On be provided with and the first spacing marble（143）First spacing hole of inlay card（144）.
10. telescopic levelling staff according to claim 8, it is characterised in that：The position-limit mechanism（14）Including through
The through slot that secondary ruler is set（145）, sliding be connected to through slot（145）The second spacing marble at length direction two ends（147）,
Two connecting springs（146）, second connecting spring（146）Two ends respectively with two the second spacing marble（147）Connection, institute
State main scale（1）On be provided with and the second spacing marble（147）Second spacing hole of inlay card（148）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720320846.2U CN206601133U (en) | 2017-03-29 | 2017-03-29 | Telescopic levelling staff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720320846.2U CN206601133U (en) | 2017-03-29 | 2017-03-29 | Telescopic levelling staff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206601133U true CN206601133U (en) | 2017-10-31 |
Family
ID=60144473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720320846.2U Expired - Fee Related CN206601133U (en) | 2017-03-29 | 2017-03-29 | Telescopic levelling staff |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206601133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801096A (en) * | 2018-05-16 | 2018-11-13 | 中铁十局集团建筑安装工程有限公司 | A kind of extension type multi-functional gauge |
| CN109540103A (en) * | 2019-01-07 | 2019-03-29 | 浙江荣胜工具有限公司 | A kind of locking for the horizontal ruler that stretches and elimination clearance mechanism |
-
2017
- 2017-03-29 CN CN201720320846.2U patent/CN206601133U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801096A (en) * | 2018-05-16 | 2018-11-13 | 中铁十局集团建筑安装工程有限公司 | A kind of extension type multi-functional gauge |
| CN109540103A (en) * | 2019-01-07 | 2019-03-29 | 浙江荣胜工具有限公司 | A kind of locking for the horizontal ruler that stretches and elimination clearance mechanism |
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