CN211718131U

CN211718131U - Chloride ion rapid determination appearance

Info

Publication number: CN211718131U
Application number: CN202020348059.0U
Authority: CN
Inventors: 李小明; 刘于峰; 王亮; 朱宇杰; 王勇
Original assignee: Zhejiang Darch Housing Engineering Co ltd
Current assignee: Zhejiang Darch Housing Engineering Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-10-20
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a chloride ion rapid determination appearance relates to check out test set for solve the unstable problem of ordinary instrument centre gripping, including pallet, centre gripping subassembly, buret and reagent cup, the centre gripping subassembly includes first diaphragm, first sliding block, second sliding block, first holder, second holder, and first diaphragm is fixed in the pallet, has seted up first spout and second spout on the surface of first diaphragm, and first sliding block and second sliding block sliding connection are in first spout and second spout respectively, and first holder and second holder are fixed in on first sliding block and second sliding block respectively, and form the centre gripping mouth between first holder and the second holder; the connecting rod structure can control the first clamping piece and the second clamping piece to clamp the burette and keep the clamping force unchanged, and no mechanical failure condition exists, so that the connecting rod structure has good clamping stability to prevent the burette from sliding down.

Description

Chloride ion rapid determination appearance

Technical Field

The utility model relates to a check out test set, in particular to chloride ion rapid tester.

Background

A fast detector for chloride ion is a main instrument for detecting the content of chloride ion, it can fast detect the content of water-soluble chloride ion in inorganic materials such as concrete, sand and gravel, cement, etc., and can predict the service life of concrete structure and the corrosion service life of reinforcing steel bar by combining the diffusion coefficient of chloride ion in concrete, so as to control the corrosion of reinforcing steel bar.

At present, the chinese invention with publication number CN106770240A discloses a titration apparatus and titration method for cement chloride ion determination, which comprises a stand, a burette mounted on the stand, and a reagent cup placed under the burette, wherein the reagent cup is a ceramic crucible; the titration method adopts the ammonium ferric sulfate as an indicator, the porcelain crucible as a reagent cup of the cement solution and the ammonium thiocyanate solution as the titration solution, thereby not only improving the accuracy and reliability of the determination of the cement chloride ions, but also having low requirement on operators, simple method and low detection cost.

As the simple claw-shaped clamping piece is used for clamping the burette, the clamping piece realizes the clamping of the burette by means of the force of the torsion spring, when the torsion spring is gradually ineffective, the clamping mode is easy to loosen the clamping of the burette and finally causes the burette to slide, and the problem of insufficient clamping stability exists.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a chloride ion rapid tester adopts mechanical structure to carry out the centre gripping to the buret, avoids the production of spring structure mechanics inefficacy problem to improve the stability of centre gripping.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a chloride ion spot test appearance, includes pallet, centre gripping subassembly, buret and reagent cup, the centre gripping subassembly includes first diaphragm, first sliding block, second sliding block, first holder, second holder, on first diaphragm was fixed in the pallet, first spout and the second spout that is used for first sliding block and second sliding block embedding respectively were offered on the surface of first diaphragm, first sliding block and second sliding block sliding connection respectively are in first spout and second spout, and are provided with on first diaphragm and are used for ordering about the drive assembly that first sliding block and second sliding block were close to each other or kept away from, the one end of first holder and second holder is fixed in respectively on first sliding block and the second sliding block, and forms the centre gripping mouth between the free end of first holder and second holder.

Through adopting above-mentioned scheme, can order about first holder and second holder through drive assembly and draw close each other, and then clip the buret, owing to adopt be mechanical type drive structure, consequently stable in structure, power is steady, does not have the spring and because of the tired elasticity inefficacy condition that produces, consequently can keep the stability to the buret application of force for a long time to reach the purpose that improves and add the stability.

The utility model discloses can further set up to in a preferred example: one ends of the first clamping piece and the second clamping piece, which are close to the clamping opening, are bent towards the sides which are close to each other to form a bent part.

Through adopting above-mentioned scheme, can increase the distance between first sliding block and the second sliding block after the tip of first holder and second holder sets up the kink, two sliding blocks are like this when the motion, and the holder of two holders can be close more to make the centre gripping subassembly can fix the buret better.

The utility model discloses can further set up to in a preferred example: and one ends of the first clamping piece and the second clamping piece, which are far away from the first sliding groove and the second sliding groove, are respectively fixed with an embracing ring, and a clamping opening is formed between the two embracing rings.

By adopting the scheme, the cavity opening of the clamping opening formed by the holding ring is arc-shaped, so that the clamping ring can be better attached to the arc-shaped outer wall of the burette, the holding ring can better hold the burette, and the purpose of better fixing the burette is achieved.

The utility model discloses can further set up to in a preferred example: the inner side of the embracing ring is provided with a rubber pad used for increasing friction force.

Through adopting above-mentioned scheme, the rubber pad can increase the frictional force between embracing ring and the buret for be difficult to produce between the two and skid, thereby further improve the centre gripping stability of centre gripping subassembly to the buret.

The utility model discloses can further set up to in a preferred example: the driving assembly comprises a driving groove, a driving block, a first connecting rod, a second connecting rod and a power part, wherein the driving block is connected in the driving groove in a sliding mode, one end of the first connecting rod is hinged to the driving block, the other end of the first connecting rod is hinged to the first sliding block, one end of the second connecting rod is hinged to the driving block, the other end of the second connecting rod is hinged to the second sliding block, the power part is arranged on the first transverse plate and used for driving and locking the driving block, the length direction of the driving groove is perpendicular to the first sliding groove and the second sliding groove, and the first sliding groove and.

Through adopting above-mentioned scheme, the power piece orders about the drive block and moves in the drive inslot, and the motion of drive block drives first sliding block and second sliding block through first connecting rod and second connecting rod and does the motion that is close to each other or keeps away from each other, and then drives and embrace and produce the interval change between the ring on first holder and the second holder to the realization carries out the purpose of centre gripping to the buret.

The utility model discloses can further set up to in a preferred example: the power part is a screw rod, penetrates into the driving groove from one side far away from the clamping opening in a threaded connection mode, and is in rotary connection with the driving block.

Through adopting above-mentioned scheme, adopt screw thread drive's form on the one hand to realize the regulation that becomes more meticulous for the armful can accurate control to the effort of titrating the pipe wall, avoids the buret atress too big fracture, and the screw thread form has auto-lock nature simultaneously, can lock the position of drive block in real time, keeps the clamping-force of armful to the buret unchangeable promptly, consequently can improve the stability of buret centre gripping.

The utility model discloses can further set up to in a preferred example: the rack is provided with a second transverse plate for placing reagent cups, the second transverse plate is located below the first transverse plate, the second transverse plate is provided with a sleeving groove, the second transverse plate is sleeved on the rack through the sleeving groove, and the second transverse plate is provided with a locking assembly for fixing the second transverse plate on the rack.

Through adopting above-mentioned scheme, the second diaphragm can be used for adjusting the height of reagent cup, and then adjusts the length that the burette stretched into in the reagent cup to make things convenient for the control to the dropping liquid in the experimentation.

The utility model discloses can further set up to in a preferred example: the locking assembly comprises a compression screw and a compression ring, one end of the compression screw penetrates through the side wall of the second transverse plate in a threaded connection mode and extends into the sleeving groove, the compression ring is fixed at one end of the compression screw in the sleeving groove, and the compression screw pushes the compression ring to abut against the side wall of the stand.

Through adopting above-mentioned scheme, after adjusting the height of reagent cup, twist and turn to the compression screw rod and make the clamp ring support tightly can be fixed in the pallet with the help of frictional force with the second diaphragm on the pallet to the realization is fixed to the reagent cup height.

To sum up, the utility model discloses following at least one beneficial effect has:

1. thereby first connecting rod, the second connecting rod, first holder and second holder and drive block form link mechanism and form the linkage, as long as drive block, just can finally drive first holder and second holder and draw close each other or keep away from, and set up the rubber pad on first holder and second holder, first holder and second holder can be controlled to this subassembly until pressing from both sides tight buret, improve frictional force, improve the stability to the buret centre gripping, prevent the landing of buret.

2. The driving form of the screw rod mechanism is adopted, so that the purpose of sliding the driving block can be realized, and the effect of fixing the driving block is also realized, so that the first clamping piece and the second clamping piece always keep a clamping state on the burette.

3. The reagent cup is placed by the aid of the second transverse plate with the lifting function, and the height of the second transverse plate can be adjusted according to the length of the burette, so that the burette is suitable for burettes with different lengths.

Drawings

FIG. 1 is an overall structural view of the present embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged view of fig. 1 at B.

In the figure: 1. a stand; 2. a clamping assembly; 21. a first transverse plate; 201. a first chute; 202. a second chute; 22. a first slider; 23. a second slider; 24. a first clamping member; 25. a second clamping member; 26. a bending section; 27. encircling; 28. a clamping port; 3. a drive assembly; 31. a drive slot; 32. a drive block; 33. a first link; 34. a second link; 35. a power member; 4. a second transverse plate; 41. a sleeving groove; 5. a locking assembly; 51. a compression screw; 52. a compression ring; 6. a burette; 7. a reagent cup; 8. and (7) a rubber pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, a chloride ion rapid determination appearance, including pallet 1, centre gripping subassembly 2, buret 6 and reagent cup 7, pallet 1 includes bottom plate and support column, and on the position distributed, centre gripping subassembly 2 set up on the support column, and buret 6 sets up on centre gripping subassembly 2, and reagent cup 7 is in the below of buret 6.

The clamping assembly 2 comprises a first transverse plate 21, a first sliding block 22, a second sliding block 23, a first clamping piece 24 and a second clamping piece 25, the first transverse plate 21 is installed on a flat plate and is installed on a supporting column of the stand 1, a first sliding groove 201 and a second sliding groove 202 which are used for respectively installing the first sliding block 22 and the second sliding block 23 are formed in the upper surface of the first transverse plate 21, and the two sliding grooves are on the same straight line; the first sliding block 22 and the second sliding block 23 are respectively connected in the first sliding groove 201 and the second sliding groove 202 in a sliding manner; the first clamping member 24 and the second clamping member 25 each include two rod-shaped straight line segments, the two clamping members are fixed on the first sliding block 22 and the second sliding block 23, and the free ends of the two clamping members far away from the sliding blocks are named as bending portions 26.

As shown in fig. 2, clasps 27 are fixed on the bending portions 26 of the first clamping member 24 and the second clamping member 25, a clamping opening 28 is formed between the clasps 27 on the two clamping members, and a rubber pad 8 for increasing friction force is fixed on the inner side of the clasps 27.

As shown in fig. 1 and 3, the first clamping member 24 and the second clamping member 25 are driven by the driving assembly 3, the driving assembly 3 includes a driving groove 31, a driving block 32, a first connecting rod 33, a second connecting rod 34, and a power member 35, the driving groove 31 is opened on the first transverse plate 21, and the length direction of the driving groove 31 is perpendicular to the length direction of the first sliding chute 201 and the second sliding chute 202; the driving block 32 is slidably mounted in the driving groove 31; one end of the first connecting rod 33 is hinged on the driving block 32, and the other end is hinged on the first sliding block 22; one end of the second link 34 is hinged to the driving block 32, and the other end is hinged to the second sliding block 23.

The power part 35 is a screw rod, the screw rod is threaded on the side wall of the first transverse plate 21, a support column of the stand 1 penetrates through the screw rod and then extends into the driving groove 31, the screw rod is rotatably mounted on the driving block 32 by means of a linear bearing, and the linear bearing is an NSK type linear bearing produced by Jinan Duning electromechanical Limited company.

The first sliding groove and the second sliding groove in the clamping assembly 2 use the driving groove 31 as a symmetry axis, in the driving structure, the driving block 32, the first connecting rod 33, the second connecting rod 34, the first clamping piece 24 and the second clamping piece 25 form a connecting rod mechanism to form linkage, and the first clamping piece 24 and the second clamping piece 25 are finally clamped on the burette 6 by driving the driving block 32 to move, so that the stability of clamping the burette 6 is improved.

Be provided with the second diaphragm 4 that is used for putting reagent cup 7 in the below of first diaphragm 21, seted up the cover groove 41 on the second diaphragm 4, it cup joints on the support column of pallet 1 through cover groove 41, and then makes second diaphragm 4 can carry out altitude mixture control, and second diaphragm 4 fixes through locking Assembly 5.

The locking assembly 5 comprises a compression screw 51 and a compression ring 52, wherein the compression screw 51 penetrates through the side wall of the second transverse plate 4 in a threaded connection mode and extends into the sleeving groove 41; the clamp ring 52 is semicircular, is fixed on the clamp screw 51 and is located one end of the sleeve groove 41, is fixed with the rubber pad 8 on the inner concave surface of the clamp ring 52, unscrews the clamp screw 51 during use, adjusts the upper and lower positions of the second transverse plate 4 to the required degree, screws up the clamp screw 51, and makes it push the clamp ring 52 to tightly support on the support column of the stand 1.

The specific implementation principle is as follows: when carrying out the chlorine ion content measurement, drive the motion of drive block 32 through twisting power piece 35, drive first sliding block 22 and second sliding block 23 by drive block 32 and draw close each other or keep away from, first sliding block 22 and second sliding block 23 will drive first holder 24 and second holder 25 through first connecting rod 33 and second connecting rod 34 until pressing from both sides tight buret 6 like this, owing to embrace the existence of rubber pad 8 on the ring 27, can avoid embracing ring 27 and buret 6 to produce and skid, the structure of this kind of pure mechanical type can remain the clamp force unchanged all the time simultaneously, increase the stability of centre gripping, prevent the unexpected landing of buret 6.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a chloride ion rapid determination appearance, includes stand (1), centre gripping subassembly (2), burette (6) and reagent cup (7), its characterized in that: the clamping component (2) comprises a first transverse plate (21), a first sliding block (22), a second sliding block (23), a first clamping piece (24) and a second clamping piece (25), the first transverse plate (21) is fixed on the stand (1), a first sliding groove (201) and a second sliding groove (202) which are respectively used for embedding the first sliding block (22) and the second sliding block (23) are formed in the surface of the first transverse plate (21), the first sliding block (22) and the second sliding block (23) are respectively connected in the first sliding groove (201) and the second sliding groove (202) in a sliding mode, a driving component (3) which is used for driving the first sliding block (22) and the second sliding block (23) to be close to or far away from each other is arranged on the first transverse plate (21), one end of the first clamping piece (24) and one end of the second clamping piece (25) are respectively fixed on the first sliding block (22) and the second sliding block (23), and a clamping opening (28) is formed between the free ends of the first clamping piece (24) and the second clamping piece (25).

2. The rapid chloride ion analyzer according to claim 1, wherein: one ends of the first clamping piece (24) and the second clamping piece (25) close to the clamping opening (28) are bent towards the sides close to each other to form a bent part (26).

3. The rapid chloride ion analyzer according to claim 1, wherein: and one ends of the first clamping piece (24) and the second clamping piece (25) far away from the first sliding groove (201) and the second sliding groove (202) are respectively fixed with a hoop (27), and a clamping opening (28) is formed between the two hoops (27).

4. The rapid chloride ion analyzer according to claim 3, wherein: the inner side of the embracing ring (27) is provided with a rubber pad (8) for increasing friction force.

5. The rapid chloride ion analyzer according to claim 1, wherein: the driving assembly (3) comprises a driving groove (31), a driving block (32) which is connected in the driving groove (31) in a sliding manner, a second connecting rod (34) which is hinged to the driving block (32) at one end and hinged to the first sliding block (22) at the other end, a first connecting rod (33) which is hinged to the driving block (32) at one end and hinged to the second sliding block (23) at the other end, and a power part (35) which is arranged on a first transverse plate (21) and used for driving and locking the driving block (32), wherein the length direction of the driving groove (31) is perpendicular to the first sliding groove (201) and the second sliding groove (202), and the first sliding groove (201) and the second sliding groove (202) are located between the driving block (32) and the clamping opening (28).

6. The rapid chloride ion analyzer according to claim 5, wherein: the power piece (35) is a screw rod, and the power piece (35) penetrates into the driving groove (31) from one side far away from the clamping opening (28) in a threaded connection mode and forms a rotary connection with the driving block (32).

7. The rapid chloride ion analyzer according to claim 1, wherein: be provided with second diaphragm (4) that is used for placing reagent cup (7) on stand (1), second diaphragm (4) are located the below of first diaphragm (21), set cover groove (41) have been seted up on second diaphragm (4), and it is located stand (1) through cover groove (41) cover on, and is provided with locking Assembly (5) that are used for being fixed in on stand (1) second diaphragm (4) on second diaphragm (4).

8. The rapid chloride ion analyzer according to claim 7, wherein: the locking assembly (5) comprises a compression screw (51) and a compression ring (52), one end of the compression screw (51) penetrates through the side wall of the second transverse plate (4) in a threaded connection mode and extends into the sleeving groove (41), the compression ring (52) is fixed to one end, located in the sleeving groove (41), of the compression screw (51), and the compression screw (51) pushes the compression ring (52) to abut against the side wall of the stand (1).