A kind of reagent dosage of hospital clinical laboratories monitoring device
Technical field
The invention belongs to the field of medical instrument technology, specifically a kind of reagent dosage of hospital clinical laboratories monitoring
Device.
Background technique
The laboratory of hospital laboratory will carry out a large amount of reagent experiment daily, need accurately to take before experiment quantitative
Experiment reagent, most at present or staff carry out taking reagent manually, and the method for taking reagent manually is inaccurate, misses
It is poor big, it is easy to cause the inaccuracy of experimental result, also be easy to cause the waste of experiment reagent, high-end hospitals some at present are equipped with
Electronic equipment takes experiment reagent, is taken by the reagent that the help of electronic equipment realizes quickly and efficiently, but these
Equipment price is expensive, and the hospital of some poverty-stricken areas does not have the capital of purchase, and these equipment rely on electric energy, and in the world one
More backward countries and regions also have a case that power supply is unstable a bit, and the hospital of these countries and regions carries out reagent experiment
When cannot excessively rely on electric energy, therefore the countries and regions that the particularity of electronic equipment causes it to fall behind at these are not real enough
With.
Summary of the invention
The present invention provides a kind of reagent dosage of hospital clinical laboratories monitoring device, to solve in the prior art lack
It falls into.
The present invention is achieved by the following technical programs:
A kind of reagent dosage of hospital clinical laboratories monitoring device, including pedestal, pedestal left upper part are fixedly mounted left
Side plate, pedestal right end top are fixedly mounted right side plate, vertical reagent barrel are fixedly mounted by first support on the inside of left plate, tries
Agent bucket upper end opening is equipped with piston boit in reagent barrel, is equipped with the first vertical screw rod among piston boit upper end, under the first screw rod
End is flexibly connected with piston boit upper end bearing, and first sleeve is set on the first screw rod, passes through the between first sleeve and left plate
Two brackets are fixedly connected, and the first screw rod can be slided up and down along first sleeve, are set with the first inner screw sheath on the first screw rod, in first
Thread bush and the first screw flight cooperate, and the upper end of the first inner screw sheath is flexibly connected with the bottom end bearing of first sleeve, right side
Transverse slat is fixedly mounted on the inside of plate respectively at upper and lower ends, the first perpendicular rail, transverse slat is fixedly mounted between the left end of two pieces of transverse slats
Top surface first, which is erected, opens up first through hole on the right side of rail, the second screw rod, the second screw rod and first through hole bearing are equipped in first through hole
It is flexibly connected, is coupled the second inner screw sheath on the second screw rod, the is coupled between the second inner screw sheath and the first perpendicular rail
The first bevel gear, a left side for superposed transverse slat is fixedly mounted in the upper end of one sliding block, the first inner screw sheath and the second screw rod respectively
Hold top by axle bed installation horizontal axis, the both ends of horizontal axis are fixedly mounted the second bevel gear respectively, the second bevel gear and corresponding the
The engagement cooperation of one bevel gear, the right side of the second screw rod are equipped with vertical third screw rod, the upper and lower ends of third screw rod respectively with it is right
The transverse slat answered is fixedly connected, and third inner screw sheath is coupled on third screw rod, is set with second sleeve on third screw rod, and second set
The lower end of cylinder is flexibly connected with the upper end bearing of third inner screw sheath, is set with 3rd sleeve on the second screw rod, 3rd sleeve and the
It is fixedly connected between two sleeves by connecting rod, the right side of third screw rod is equipped with the first vertical pivot, and the right side of the first vertical pivot is equipped with second
The right side of vertical pivot, the second vertical pivot is equipped with third vertical pivot, transverse slat top surface corresponding first vertical pivot, the second vertical pivot, third positioned at lower part
The second through-hole is opened up at vertical pivot, the first vertical pivot, the second vertical pivot, third vertical pivot connect with corresponding second through-hole bearing activity respectively
It connecing, third through-hole is opened up at corresponding first vertical pivot in superposed transverse slat bottom surface, the upper end of the first vertical pivot passes through third through-hole, the
One vertical pivot is flexibly connected with third through-hole bearing, and two third bevel gears, the peace of two third bevel gears are set on the first vertical pivot
Fill it is contrary, two third bevel gears it is coaxial and between be fixedly connected, be set with two the 4th bevel gears on the second vertical pivot, two
The installation direction of a 4th bevel gear on the contrary, two the 4th bevel gears it is coaxial and between be fixedly connected, be set with two on third vertical pivot
A 5th bevel gear, the installation directions of two the 5th bevel gears on the contrary, two the 5th bevel gears it is coaxial and between be fixedly connected, the
One vertical pivot, the second vertical pivot, third vertical pivot side open up the first vertical strip grooves, third bevel gear, the 4th bevel gear,
The first inserted block is fixedly mounted in the inner ring of five bevel gear threes, and the first inserted block is inserted into inside corresponding first strip grooves, third
Two the 6th bevel gears of fixed suit on inner screw sheath, two the 6th bevel gear installation directions on the contrary, two the 6th bevel gears it
Between be engaged, the 6th bevel gear and corresponding third bevel gear, which engage, to be cooperated, third bevel gear and corresponding 4th bevel gear
Engagement cooperation, the engagement of the 4th bevel gear and corresponding 5th bevel gear cooperate, and the right side of third vertical pivot is equipped with the 4th screw rod, and two pieces
Fourth hole is opened up at corresponding 4th screw rod in transverse slat top surface, the 4th screw rod is located inside fourth hole, the upper end cap of the 4th screw rod
Encapsulation ring, lantern ring are flexibly connected with the 4th screw-bearing, the 4th screw rod upper end pocketed springs, the upper end of spring and the lower end of lantern ring
It being fixedly connected, the top of the transverse slat of the lower end and top of spring is fixedly connected, and driving gear is fixedly mounted in the upper end of the first vertical pivot,
The fixed suit driven gear in the upper end of 4th screw rod, is equipped with transmission gear between driving gear and driven gear, transmission gear is logical
The transverse slat top that gear shaft is mounted on top is crossed, driving gear engages cooperation, two pieces of cross with driven gear with transmission gear respectively
The second perpendicular rail is fixedly mounted between plate right end, passes through the second sliding block on the left of the second perpendicular rail and driver plate is installed, transmission plate top surface opens up
Threaded hole, the 4th screw rod are threadedly engaged with threaded hole, and vertical graduated scale is fixedly mounted on the second perpendicular rail, fixes on the second sliding block
Pointer is installed, graduated scale is directed toward in one end of pointer, and fistulae is fixedly mounted in reagent barrel bottom, and the diameter of third bevel gear is greater than the 4th
The diameter of bevel gear, the diameter of the 4th bevel gear are greater than the diameter of the 5th bevel gear, and the first screw rod side opens up the second strip grooves,
The second inserted block is fixedly mounted on first sleeve inner wall, the second inserted block is inserted into inside the second strip grooves, and piston boit top surface opens up gas
Hole, stomata upper end are fixedly mounted exhaust pipe, install valve on exhaust pipe.
A kind of reagent dosage of hospital clinical laboratories monitoring device as described above, second screw rod, first are erected
Axis, the second vertical pivot, third vertical pivot, the 4th screw rod lower end be respectively mounted rocking handle.
A kind of reagent dosage of hospital clinical laboratories monitoring device as described above, the upper end of the 4th screw rod is set
There is pressing plate, pressing plate bottom is flexibly connected with the 4th screw rod upper end bearing.
The invention has the advantages that the present invention can help health care worker accurately to carry out taking for reagent, it can be effective
The waste for avoiding reagent, and the present invention does not depend on electric energy, and structure is simple, low cost, easy to operate, is suitble to export to and relatively falls
The unstable country of power supply afterwards uses, and staff can be helped quick under the premise of not depending on present control panel
And accurately take reagent.When taking reagent through the invention, the first vertical pivot is rotated, passes through the first inserted block and the first strip grooves
Cooperation, the first vertical pivot can drive third bevel-gear rotating, engage that cooperate can be with by third bevel gear and the 6th bevel gear
The rotation of third inner screw sheath is driven, third inner screw sheath is slowly moved up along third screw rod, and 3rd sleeve is slowly upward therewith
Mobile, third bevel gear can be moved up along the first vertical pivot, be fixedly connected and two third bevel gears and phase that installation direction is opposite
With the 6th bevel gear of mounting means matching design may be implemented third bevel gear and the 6th bevel gear synchronize move up and down, protect
It demonstrate,proves it and is in identical height, realize the continuous of transmission, similar design can make third bevel gear, the 4th bevel gear, the 5th
Bevel gear keeps linkage in the case where being all in identical height always, and the first vertical pivot passes through driving gear, driven tooth at the same time
The transmission of wheel, transmission gear drives the rotation of the 4th screw rod, and the 4th screw rod and being threadedly engaged for threaded hole make driver plate along the 4th spiral shell
Bar is mobile, and driver plate drives the second sliding block and pointer mobile, and the diameter of driving gear is greater than the diameter of driven gear, is set by this
The small climb of 3rd sleeve can be amplified in the moving distance of pointer by meter, so as to pass through pointer in graduated scale
The distance of upper movement determines the amount of reagent that reagent barrel is flowed out from fistulae, and mobile the is needed before taking reagent using the present invention
Three sleeves are simultaneously in close contact its lower end and the upper end of the second inner screw sheath, then by the first vertical pivot of rotation, are referred to by observation
Needle on the scale by distance determine the amount for the reagent to be taken out after, rotate the second screw rod, the second inner screw sheath is along the
Two screw rods move up, and at the same time, the second screw rod drives first by the transmission of the first bevel gear, horizontal axis and the second bevel gear
Inner screw sheath rotation, is not able to rotate, the first internal screw thread of rotation in the second inserted block and the first screw rod under the cooperation of the second strip grooves
Set can be such that the first screw rod moves down, and the first screw rod pushes piston boit to move down, and the reagent contained in reagent barrel is by leakage
Pipe flows out in the container of lower section, and after the second inner screw sheath upper end is with lower end in contact with 3rd sleeve again, piston boit stops
It only moves down, completes taking for quantitative reagent, since the diameter of third bevel gear is greater than the diameter of the 4th bevel gear, the 4th umbrella tooth
The diameter of wheel is greater than the diameter of the 5th bevel gear, therefore pointer is mobile when rotating the second vertical pivot slows, and rotation third is perpendicular
The mobile speed of pointer is slower when axis, and the fine tuning of pointer on the scale may be implemented by the design, realize more subsection
The reagent of amount is taken, and after pointer is moved to the end of graduated scale, can pull down the 4th screw rod makes driven gear and pass
Moving gear separation, then proceed to rotation the 4th screw rod, the zeroing of pointer can be carried out by the design, when pointer be moved to carve
After spending the other end of ruler, acted in the elastic force of spring, the 4th screw rod moves up, and driven gear engages again with transmission gear, completes
The zeroing of pointer, the present invention carry out when taking of quantitative reagent, pointer are moved first, if pointer moving distance is excessive to be adjusted
It is whole back, in the extrusion for rotating the second screw rod and carrying out reagent after determining that the mobile distance of pointer is accurate, the design is into one
The generation that the fault for avoiding operation of step causes reagent to take excessive situation, reagent barrel are transparent materials, and the present invention is also
It is very suitable to need to seal and be not easy depositing in for light-exposed reagent to take, when the second inner screw sheath reaches the most upper of the second screw rod
Piston boit just reaches bottom in reagent barrel when end, can be understood by position of the second inner screw sheath of observation on the second screw rod
Understanding reagent barrel in the amount of remaining reagent play the supervisory function bit of amount of reagent convenient for carrying out the supplement of reagent in time.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is structural schematic diagram of the invention;Fig. 2 is I partial enlarged view of Fig. 1;Fig. 3 is II office of Fig. 1
Portion's enlarged drawing;Fig. 4 is III partial enlarged view of Fig. 1;Fig. 5 is IV partial enlarged view of Fig. 1.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
A kind of reagent dosage of hospital clinical laboratories monitoring device, as shown, including pedestal 1,1 left upper part of pedestal
Left plate 2 is fixedly mounted, 1 right end top of pedestal is fixedly mounted right side plate 3, is fixedly mounted on the inside of left plate 2 by first support 4
Vertical reagent barrel 5,5 upper end opening of reagent barrel, reagent barrel 5 is interior to be equipped with piston boit 6, is equipped with vertically among 6 upper end of piston boit
The lower end of first screw rod 7, the first screw rod 7 is flexibly connected with 6 upper end bearing of piston boit, and first sleeve 8 is set on the first screw rod 7,
It being fixedly connected between first sleeve 8 and left plate 2 by second support 9, the first screw rod 7 can be slided up and down along first sleeve 8, the
The first inner screw sheath 10 is set on one screw rod 7, the first inner screw sheath 10 is threadedly engaged with the first screw rod 7, the first inner screw sheath 10
Upper end be flexibly connected with the bottom end bearing of first sleeve 8, transverse slat is fixedly mounted at upper and lower ends in the inside of right side plate 3 respectively
11, the first perpendicular rail 12 is fixedly mounted between the left end of two pieces of transverse slats 11, the right side that rail 12 is erected in 11 top surface of transverse slat first opens up first
Through-hole 13, first through hole 13 is interior to be equipped with the second screw rod 14, and the second screw rod 14 is flexibly connected with 13 bearing of first through hole, the second screw rod
It is coupled the second inner screw sheath 15 on 14, is coupled the first sliding block 16 between the second inner screw sheath 15 and the first perpendicular rail 12,
The first bevel gear 17, a left side for superposed transverse slat 11 is fixedly mounted in the upper end of first inner screw sheath 10 and the second screw rod 14 respectively
Hold top that horizontal axis 18 is installed by axle bed, the both ends of horizontal axis 18 are fixedly mounted the second bevel gear 19 respectively, the second bevel gear 19 and
The corresponding engagement of first bevel gear 17 cooperation, the right side of the second screw rod 14 are equipped with vertical third screw rod 20, third screw rod 20
Upper and lower ends are fixedly connected with corresponding transverse slat 11 respectively, and third inner screw sheath 21, third spiral shell are coupled on third screw rod 20
Second sleeve 22 is set on bar 20, the lower end of second sleeve 22 is flexibly connected with the upper end bearing of third inner screw sheath 21, and second
It is set with 3rd sleeve 23 on screw rod 14, is fixedly connected between 3rd sleeve 23 and second sleeve 22 by connecting rod 24, third screw rod
20 right side is equipped with the first vertical pivot 25, and the right side of the first vertical pivot 25 is equipped with the second vertical pivot 26, and the right side of the second vertical pivot 26 is equipped with the
Three vertical pivots 27 open up second at corresponding first vertical pivot 25 in 11 top surface of transverse slat, the second vertical pivot 26, third vertical pivot 27 of lower part
Through-hole 28, the first vertical pivot 25, the second vertical pivot 26, third vertical pivot 27 are flexibly connected with corresponding second through-hole, 28 bearing respectively, position
Third through-hole 29 is opened up at corresponding first vertical pivot 25 in 11 bottom surface of transverse slat on top, the upper end of the first vertical pivot 25 passes through third through-hole
29, the first vertical pivot 25 is flexibly connected with 29 bearing of third through-hole, is set with two third bevel gears 30 on the first vertical pivot 25, and two the
The installation directions of three bevel gears 30 on the contrary, two third bevel gears 30 it is coaxial and between be fixedly connected, be set on the second vertical pivot 26
Two the 4th bevel gears 31, the installation directions of two the 4th bevel gears 31 on the contrary, two the 4th bevel gears 31 it is coaxial and between it is solid
Fixed connection, is set with two the 5th bevel gears 32 on third vertical pivot 27, and the installation directions of two the 5th bevel gears 32 is on the contrary, two the
Five bevel gears 32 it is coaxial and between be fixedly connected, the first vertical pivot 25, the second vertical pivot 26, third vertical pivot 27 side open up vertically
The first strip grooves 33, third bevel gear 30, the 4th bevel gear 31,32 three of the 5th bevel gear inner ring be fixedly mounted first
Inserted block 51, the first inserted block 51 are inserted into inside corresponding first strip grooves 33, fixed suit two the on third inner screw sheath 21
Six bevel gears 34, two 34 installation directions of the 6th bevel gear between two the 6th bevel gears 34 on the contrary, be engaged, the 6th umbrella tooth
Wheel 34 is engaged with corresponding third bevel gear 30 to be cooperated, and third bevel gear 30 is engaged with corresponding 4th bevel gear 31 to be cooperated, the
Four bevel gears 31 are engaged with corresponding 5th bevel gear 32 to be cooperated, and the right side of third vertical pivot 27 is equipped with the 4th screw rod 35, two pieces of cross
Fourth hole 36 is opened up at corresponding 4th screw rod 35 in 11 top surface of plate, the 4th screw rod 35 is located inside fourth hole 36, the 4th screw rod
35 upper end is set with lantern ring 37, and lantern ring 37 is flexibly connected with 35 bearing of the 4th screw rod, 35 upper end pocketed springs 38 of the 4th screw rod, bullet
The upper end of spring 38 is fixedly connected with the lower end of lantern ring 37, and the top of the transverse slat 11 of the lower end and top of spring 38 is fixedly connected, the
Driving gear 39, the fixed suit driven gear 40 in the upper end of the 4th screw rod 35, driving gear is fixedly mounted in the upper end of one vertical pivot 25
Transmission gear 41 is equipped between 39 and driven gear 40, transmission gear is mounted on 11 top of transverse slat on top by gear shaft, main
Moving gear 39 engages cooperation with driven gear 40 with transmission gear 41 respectively, and it is perpendicular to be fixedly mounted second between two pieces of 11 right ends of transverse slat
Rail 42 installs driver plate 44 by the second sliding block 43 on the left of second perpendicular rail 42, and 44 top surface of driver plate opens up threaded hole 45, the 4th spiral shell
Bar 35 is threadedly engaged with threaded hole 45, and vertical graduated scale 46, fixed peace on the second sliding block 43 are fixedly mounted on the second perpendicular rail 42
Fill pointer 47, graduated scale 46 is directed toward in one end of pointer 47, and 5 bottom of reagent barrel is fixedly mounted fistulae 50, third bevel gear 30 it is straight
Diameter is greater than the diameter of the 4th bevel gear 31, and the diameter of the 4th bevel gear 31 is greater than the diameter of the 5th bevel gear 32,7 side of the first screw rod
Portion opens up the second strip grooves 52, and the second inserted block 53 is fixedly mounted on 8 inner wall of first sleeve, and the second inserted block 53 is inserted into the second strip
Inside slot 52,6 top surface of piston boit opens up stomata 54, and 54 upper end of stomata is fixedly mounted exhaust pipe 55, installs valve on exhaust pipe 55
56.The present invention can help health care worker accurately to carry out taking for reagent, can effectively avoid the waste of reagent, and
The present invention does not depend on electric energy, and structure is simple, and low cost is easy to operate, is suitble to export to unstable compared with backward power supply
Country use, can be helped under the premise of not depending on present control panel staff fast and accurately take reagent.It is logical
When crossing the present invention and taking reagent, the first vertical pivot 25 is rotated, the cooperation of the first inserted block 51 and the first strip grooves 33, the first vertical pivot are passed through
25 can drive third bevel gear 30 to rotate, engaging to cooperate and can drive the by third bevel gear 30 and the 6th bevel gear 34
The rotation of three inner screw sheaths 21, third inner screw sheath 21 slowly moves up along third screw rod 20,3rd sleeve 23 therewith slowly to
Upper movement, third bevel gear 30 can be moved up along the first vertical pivot 25, be fixedly connected and two third umbrella tooths that installation direction is opposite
Third bevel gear 30 and the 6th bevel gear 34 may be implemented with the matching design of the 6th bevel gear 34 of identical mounting means in wheel 30
It synchronizes and moves up and down, guarantee that it is in identical height, realize the continuous of transmission, similar design can make third bevel gear
30, the 4th bevel gear 31, the 5th bevel gear 32 keep linkage in the case where being all in identical height always, and first is perpendicular at the same time
Axis 25 drives the rotation of the 4th screw rod 35 by the transmission of driving gear 39, driven gear 40, transmission gear 41, the 4th screw rod 35 with
Being threadedly engaged for threaded hole 45 moves driver plate 44 along the 4th screw rod 35, and driver plate 44 drives the second sliding block 43 to move with pointer 47
Dynamic, the diameter of driving gear 39 is greater than the diameter of driven gear 40, rising that can be small by 3rd sleeve 23 by the design
Distance is amplified in the moving distance of pointer 47, is tried so as to the distance moved on graduated scale 46 by pointer 47 to determine
The amount for the reagent that agent bucket 5 is flowed out from fistulae 50 needs mobile 3rd sleeve 23 before taking reagent using the present invention and makes under it
End and the upper end of the second inner screw sheath 15 are in close contact, then by the first vertical pivot 25 of rotation, by observation pointer 47 in scale
On ruler 46 by distance determine the amount for the reagent to be taken out after, rotate the second screw rod 14, the second inner screw sheath 15 is along second
Screw rod 14 moves up, and at the same time, the second screw rod 14 passes through the transmission of the first bevel gear 17, horizontal axis 18 and the second bevel gear 19
It drives the first inner screw sheath 19 to rotate, is not able to rotate in the second inserted block 53 and the first screw rod 7 under the cooperation of the second strip grooves 52, turned
The first dynamic inner screw sheath 19 can be such that the first screw rod 7 moves down, and the first screw rod 7 pushes piston boit 6 to move down, reagent barrel
The reagents contained in 5 are flowed out to by fistulae 50 in the container of lower section, when 15 upper end of the second inner screw sheath with again with third set
After the lower end in contact of cylinder 23, the stopping of piston boit 6 is moved down, and taking for quantitative reagent is completed, due to the diameter of third bevel gear 30
Greater than the diameter of the 4th bevel gear 31, the diameter of the 4th bevel gear 31 is greater than the diameter of the 5th bevel gear 32, therefore rotates second
Pointer 47 is mobile when vertical pivot 26 slows, and the mobile speed of pointer 47 is slower when rotating third vertical pivot 27, passes through the design
Fine tuning of the pointer 47 on graduated scale 46 may be implemented, taking for the reagent of the amount of more subsection is realized, when pointer 47 is moved to
Behind the end of graduated scale 46, can pull down the 4th screw rod 35 separates driven gear 40 with transmission gear 41, then proceedes to
The 4th screw rod 35 is rotated, the zeroing of pointer 47 can be carried out by the design, when pointer 47 is moved to the another of graduated scale 46 with 44
Behind one end, acted in the elastic force of spring 38, the 4th screw rod moves up, and driven gear 40 engages again with transmission gear 41, completes to refer to
The zeroing of needle 47, the present invention carry out when taking of quantitative reagent, move pointer 47 first, may be used also if 47 moving distance of pointer is excessive
It, should in the extrusion for rotating the second screw rod 14 progress reagent after determining that the mobile distance of pointer 47 is accurate to adjust
Design further avoids the generation that the fault of operation causes reagent to take excessive situation, and reagent barrel 5 is transparent materials,
The present invention is also highly suitable for needing to seal and be not easy depositing in for light-exposed reagent taking, when the second inner screw sheath 15 reaches second
Piston boit 6 just reaches bottom in reagent barrel 5 when the top of screw rod 14, by the second inner screw sheath 15 of observation in the second screw rod
The amount that position on 14 can be apparent from remaining reagent in reagent barrel 5 plays examination convenient for carrying out the supplement of reagent in time
The supervisory function bit of dosage.
Specifically, as shown, the second screw rod 14, the first vertical pivot 25 described in the present embodiment, the second vertical pivot 26, third
Vertical pivot 27, the 4th screw rod 35 lower end be respectively mounted rocking handle 48.More easily the present invention can be carried out using can have by rocking handle
The precision of the raising control of effect, it is convenient for people to use.
Specifically, as shown, the upper end of the 4th screw rod 35 described in the present embodiment be equipped with pressing plate 49,49 bottom of pressing plate with
4th screw rod, 35 upper end bearing is flexibly connected.User separates transmission gear 41 with driven gear 40 by pressing pressing plate 49,
Then rotation the 4th screw rod 35 make pointer 47 be directed toward graduated scale 46 zero graduation at, convenient for users to zeroing use.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features;
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.