CN206974427U - Adjustable tripod - Google Patents
Adjustable tripod Download PDFInfo
- Publication number
- CN206974427U CN206974427U CN201720596265.1U CN201720596265U CN206974427U CN 206974427 U CN206974427 U CN 206974427U CN 201720596265 U CN201720596265 U CN 201720596265U CN 206974427 U CN206974427 U CN 206974427U
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- CN
- China
- Prior art keywords
- support leg
- upper support
- arc block
- pedestal
- adapter sleeve
- 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.)
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000005259 measurement Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of adjustable tripod, including pedestal, the pedestal bottom surface is provided with three supports arranged along pedestal circumference, the support includes upper support leg and lower support leg, the one end of the upper support leg away from pedestal is fixedly connected with multiple arc blocks arranged along upper support leg base circumference, the region that the arc block surrounds is available for lower support leg to penetrate in upper support leg, the arc block is provided with external screw thread, the arc block is threaded with adapter sleeve, and the adapter sleeve extruding arc block makes arc block extrude lower support leg.The utility model has the advantages that：This adjustable tripod can adjust the length of support to adapt to the demand that different places are placed, and stand is horizontal all the time, and then improve the accuracy of measurement result, easy to operate.
Description
Technical field
A kind of tripod for measuring instrument support is the utility model is related to, more specifically it is related to a kind of adjustable
Tripod.
Background technology
Measuring tripod is generally used for setting up the precision instrument and equipments such as theodolite, spirit level or total powerstation.
Publication No. CN205592598U Chinese patent discloses a kind of folding measurement tripod, the tripod bag
Including stand, the bottom triangle portion of stand is hinged with leg on support, and the other end of leg is hinged with leg under support on every support,
It is provided between leg under leg and support on support and is turned round for both fixed fastenings.
By taking the measurement of spirit level as an example, the principle of the measurement of the level provides " horizontal line of sight " using spirit level, measurement two
Height between point, so as to extrapolate unknown point height by known point height." horizontal line of sight " of spirit level needs to be carried by stand
The horizontal plane of confession supports, and in other words, stand must keep level.Leg closes to be hinged under leg and support on above-mentioned tripod support
System, in measurement, leg forms support to being symmetrical arranged with leg on support and both linear types under swinging mounting.Due to support
Total length can not be adjusted, can only be with the perpendicular relation in slope when tripod is placed on the slope, and now stand is in parallel with slope
Relation, cause " horizontal line of sight " of spirit level inaccurate, and then cause measurement result inaccurate, have much room for improvement.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of adjustable tripod, it is this
Adjustable tripod can adjust the length of support to adapt to the demand that different places are placed, and pedestal is in horizontal position all the time
Put, and then improve the accuracy of measurement result, it is easy to operate.
To achieve the above object, the utility model provides following technical scheme：
A kind of adjustable tripod, including pedestal, the pedestal bottom surface are provided with three branch arranged along pedestal circumference
Frame, the support include upper support leg and lower support leg, and the one end of the upper support leg away from pedestal is fixedly connected with multiple along upper support leg
The arc block of base circumference arrangement, the region that the arc block surrounds are available for lower support leg to penetrate in upper support leg, and the arc block is set
External screw thread is equipped with, the arc block is threaded with adapter sleeve, and the adapter sleeve extruding arc block makes arc block extrude lower support leg.
By using above-mentioned technical proposal, when needing to measure on the slope, by being moved axially down along upper support leg
Leg, adjustment stent length make to be in vertical state when tripod is overall to be placed on the slope.After adjustment, rotation connection
Set, now arc block is extruded by adapter sleeve side wall, because arc block one end is fixedly connected with upper support leg, makes arc block can only
Rotated towards lower support leg, and then abut and extrude lower support leg, reach the purpose that upper support leg is fixedly connected with lower support leg.Now pedestal water
Placing flat, avoids basement tilt from causing measuring instrument inclination of sighting line, and measurement result is made when measuring instrument is placed on pedestal more
Accurately.
The utility model is further arranged to：Diameter of the adapter sleeve close to pedestal one end is more than away from pedestal one end
Diameter, when the adapter sleeve is threadedly coupled with arc block, the described one end of arc block away from upper support leg is extruded by adapter sleeve,
The other end does not extrude with adapter sleeve.
By using above-mentioned technical proposal, adapter sleeve can be installed from the one end of upper support leg away from pedestal, installation side
Just.During installation, one end that adapter sleeve is relatively large in diameter first is enclosed on outside arc block, and being then rotatablely connected set makes adapter sleeve towards close
Move in upper support leg direction.Arc block constantly collapses close during being threadedly coupled with adapter sleeve, and arc block is away from upper support leg
One end extruded by adapter sleeve, the arc block other end does not extrude with adapter sleeve, the now movement of lower support leg due to by
The squeezing action of arc block and limited.When needing to adjust total stent length, opposite direction rotation connection set, due to arc block and company
Female connector is threadedly coupled, and expands diverging in the presence of self-deformation with the rotation arc block of adapter sleeve, makes what arc block was formed
Region becomes big, and now lower support leg can move relative to upper support leg, easy to operation without adapter sleeve integrally to be left to arc block, make work
Make efficiency raising.
The utility model is further arranged to：Described less one end of adapter sleeve diameter is fixedly connected with moving block, described
Moving block is provided with the raised line along moving block circumference array.
By using above-mentioned technical proposal, moving block is fixedly connected on the small one end of adapter sleeve diameter and is advantageous to staff
Operation, while save the resources of production.The setting of raised line can increase the frictional force of staff's finger and moving block side wall, no
Skidding easily occurs, it is easy to operation.
The utility model is further arranged to：The lower support leg is provided with notch towards in upper support leg close to one end of pedestal
The groove of wall, the groove are fixedly connected with ball by spring, and the ball side wall abuts with upper support leg inwall.
By using above-mentioned technical proposal, when lower support leg is located in upper support leg, ball is restrained from by upper support leg inwall
Groove bearing of trend is moved, and now spring is compressed, and under the action of the spring, ball is abutted and extruded with upper support leg, under making
Connection between leg and upper support leg is more firm.
The utility model is further arranged to：The upper support leg is provided with stopper slot close to one end of arc block, when described
The ball abuts with spacing groove sidewall under the action of the spring when stopper slot and groove are to corresponding to.
By using above-mentioned technical proposal, during lower support leg moves axially along upper support leg and elongates stent length, by
Stopper slot is caught under the action of the spring in circular groove, and staff is difficult to continue to move to lower branch in the case where not applying brute-force
Pin, so as to avoid the phenomenon of lower support leg and upper support leg disengaging, upper support leg and lower support leg is set to maintain the connection.
The utility model is further arranged to：Graduated scale is provided with the outside of the lower support leg.
By using above-mentioned technical proposal, when tripod is placed in the plane, scale can be passed through when stretching lower support leg
Chi reading draws the length of lower support leg movement, can quickly adjust required length when adjusting next support, avoid estimating
Adjustment causes pedestal not parallel with ground, influences the degree of accuracy of measurement；When tripod is placed on the slope, the quarter on lower support leg
Degree chi can play a part of mark, and staff can calculate the adjustment length of next support by comparing scale value, carry
High workload efficiency.
In summary, lower support leg is worn in upper support leg, adjustment support is realized by moving axially lower support leg along upper support leg
The purpose of length, reach the purpose for adapting to different place measurements；Arc block is set to extrude lower support leg by being rotatablely connected set, so as to real
Existing upper support leg is fixedly connected with lower support leg, makes support solid and reliable.
Brief description of the drawings
Fig. 1 is example structure schematic diagram；
Fig. 2 is upper support leg and contiguous block annexation exploded perspective view；
Fig. 3 is the support top view that embodiment removes pedestal；
Fig. 4 is Fig. 3 A-A sectional views.
Description of reference numerals：1st, pedestal；2nd, support；3rd, upper support leg；4th, lower support leg；5th, arc block；6th, adapter sleeve；7th, rotate
Block；8th, raised line；9th, graduated scale；10th, groove；11st, spring；12nd, ball；13rd, stopper slot.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in figure 1, a kind of adjustable tripod, including pedestal 1 and three supports along the arrangement of the bottom surface circumference of pedestal 1
2.Support 2 and pedestal 1 are be hinged, by the angle between the adjustable support 2 of swinging mounting 2 and pedestal 1, prop up three supports 2
Structure be in stable state, be not easy to rock.Support 2 includes upper support leg 3 and the lower support leg 4 being located in upper support leg 3, lower support leg
4 can move axially along upper support leg 3, be fixedly connected between upper support leg 3 and lower support leg 4 by fastener.To quantitative determine lower support leg 4
Movable length, the outer wall of lower support leg 4 has graduated scale 9 along lower support leg 4 is axially arranged.
As shown in Fig. 2 fastener includes being fixedly connected with the bottom surface of upper support leg 3 and along four of the circumferential arrangement of upper support leg 3
Arc block 5, lower support leg 4 are located in the region that four arc blocks 5 surround.The outer wall of four arc blocks 5 is provided with screw thread side
To identical external screw thread.As shown in Figure 3, Figure 4, four arc blocks 5 are threaded with same adapter sleeve 6, and adapter sleeve 6 is along connection
Set 6 increases with the closure diameter of arc block 5.Arc block 5 is flexible, rotation connection set 6, makes adapter sleeve 6 towards close to upper branch
The direction of pin 3 is moved, and in the process, four arc blocks 5 constantly collapse close, and now, arc block 5 is close to one end of upper support leg 3
Do not extruded with adapter sleeve 6, the one end of arc block 5 away from upper support leg 3 extrudes with adapter sleeve 6, arc block 5 is abutted simultaneously
Lower support leg 4 is extruded, reaches the purpose for being fixedly connected with upper support leg 3 and lower support leg 4.Adapter sleeve 6 is rotated backward, four arc blocks 5 are sent out
Raw deformation makes the space enlargement surrounded, and then the purpose of removable lower support leg 4.Set 6 is rotatablely connected for ease of staff,
One end of adapter sleeve 6 is fixedly connected with moving block 7, and the outer wall of moving block 7 is fixedly connected with the raised line 8 arranged along the circumference of moving block 7.
As shown in figure 4, lower support leg 4 sets fluted 10 close to one end of pedestal 1, spring 11 is installed in groove 10.Bullet
One end of spring 11 is fixedly connected with the bottom land of groove 10, and the other end is fixedly connected with ball 12.When lower support leg 4 is inserted in upper support leg 3
When, ball 12 enters groove 10 along the bearing of trend of groove 10, and spring 11 is squeezed, and ball 12 abuts in the presence of spring 11
And upper support leg 3 is extruded, make lower support leg 4 be not susceptible to move in the case where no external force applies, further consolidate the He of upper support leg 3
Annexation between lower support leg 4.Depart from upper support leg 3 in moving process for limitation lower support leg 4, upper support leg 3 is close to arc block 5
One end be provided with stopper slot 13, when lower support leg 4 is moved to 13 opening position of stopper slot, ball 12 blocks in the presence of spring 11
Enter stopper slot 13, and then be restricted the movement of lower support leg 4.
The course of work：
During installation, first lower support leg 4 is penetrated from the one end of upper support leg 3 away from arc block 5, adjusted to required length, turned
Dynamic adapter sleeve 6 makes adapter sleeve 6 be moved towards close to the direction of pedestal 1, and now arc block 5 abuts and extrudes lower support leg 4, reaches under limitation
The purpose that leg 4 moves axially.The numerical value corresponding to the graduated scale 9 of lower support leg 4 is observed, adjusts two other support in the same way
2, pulling out the length of identical numerical value can ensure that pedestal 1 is horizontal when support 2 is placed on plane, avoid what range estimation was brought
Error.When support 2 is placed on slope, the model of two other support 2 adjustment by the numerical value corresponding to graduated scale 9, can be drawn
Enclose, improve the operating efficiency of staff.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, it is all in this practicality
Within new design concept, any modification, equivalent substitution and improvements made etc., protection of the present utility model should be included in
Within the scope of.
Claims (6)
1. a kind of adjustable tripod, including pedestal (1), pedestal (1) bottom surface is provided with along the arrangement of pedestal (1) circumference
Three supports (2), it is characterised in that：The support (2) includes upper support leg (3) and lower support leg (4), and the upper support leg (3) is remote
One end of pedestal (1) is fixedly connected with multiple arc blocks (5) arranged along upper support leg (3) base circumference, and the arc block (5) is enclosed
Into region be available for lower support leg (4) to penetrate in upper support leg (3), the arc block (5) is provided with external screw thread, the arc block (5)
Adapter sleeve (6) is threaded with, adapter sleeve (6) the extruding arc block (5) makes arc block (5) extrude lower support leg (4).
2. adjustable tripod according to claim 1, it is characterised in that：The adapter sleeve (6) is close to pedestal (1) one end
Diameter be more than away from pedestal (1) one end diameter, when the adapter sleeve (6) is threadedly coupled with arc block (5), the arc block
(5) by the extruding of adapter sleeve (6), the other end do not extrude one end away from upper support leg (3) with adapter sleeve (6).
3. adjustable tripod according to claim 2, it is characterised in that：The less one end of adapter sleeve (6) diameter
Moving block (7) is fixedly connected with, the moving block (7) is provided with the raised line (8) along moving block (7) circumference array.
4. adjustable tripod according to claim 1, it is characterised in that：The one of the close pedestal (1) of the lower support leg (4)
End is provided with notch and is fixedly connected with circle by spring (11) towards the groove (10) of upper support leg (3) inwall, the groove (10)
Ball (12), ball (12) side wall abut with upper support leg (3) inwall.
5. adjustable tripod according to claim 4, it is characterised in that：The upper support leg (3) is close to arc block (5)
One end is provided with stopper slot (13), when the stopper slot (13) and groove (10) to it is corresponding when the ball (12) in spring (11)
In the presence of abutted with stopper slot (13) side wall.
6. adjustable tripod according to claim 1, it is characterised in that：Scale is provided with the outside of the lower support leg (4)
Chi (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720596265.1U CN206974427U (en) | 2017-05-25 | 2017-05-25 | Adjustable tripod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720596265.1U CN206974427U (en) | 2017-05-25 | 2017-05-25 | Adjustable tripod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206974427U true CN206974427U (en) | 2018-02-06 |
Family
ID=61409951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720596265.1U Expired - Fee Related CN206974427U (en) | 2017-05-25 | 2017-05-25 | Adjustable tripod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206974427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647722A (en) * | 2020-12-26 | 2021-04-13 | 中冶天工集团有限公司 | Reinforcing mesh positioning device and using method thereof |
-
2017
- 2017-05-25 CN CN201720596265.1U patent/CN206974427U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647722A (en) * | 2020-12-26 | 2021-04-13 | 中冶天工集团有限公司 | Reinforcing mesh positioning device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20190525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |