CN211528281U - A high-precision laboratory solution pH detector with temperature control compensation - Google Patents

Abstract

The utility model relates to a PH detector technical field just discloses a laboratory solution PH value detector of high accuracy area control by temperature change compensation, which comprises a bod, the standing groove has been seted up at the top of organism, the front end fixed mounting of standing groove has the rotation axis, the surface swing joint of rotation axis has the bracing piece, the tighrening ring has been cup jointed in the surface activity of bracing piece, the left side meshing of tighrening ring has the bolt, the right fixed mounting of tighrening ring has the extension rod. The utility model discloses a rotatory bolt makes and relaxs between tighrening ring and the bracing piece, and rotatory extension rod makes the electrode be located measurement container directly over, adjusts the position of tighrening ring on the bracing piece, makes the bottom of electrode and detects the liquid contact, and the extrusion gasbag when measuring the interior detection liquid of container more full, makes the straw inhale the bottom contact that partly detects liquid and electrode, avoids putting into the electrode and causes the ann's district accident that liquid spills over and causes.

Description

A high-precision laboratory solution pH detector with temperature control compensation

technical field

The utility model relates to the technical field of pH detectors, in particular to a high-precision laboratory solution pH value detector with temperature control compensation.

Background technique

PH meter is an important tool for measuring and reacting the acidity and alkalinity of solution. There are various models and products of pH meter, and there are two optional display modes: pointer display and digital display. Great convenience has come, and its variety and number are increasing day by day.

The pH value detector is inserted into the detection solution through the electrode, and the pH value of the solution is obtained by measuring the conductivity of the detection solution. , the detection solution in the container may overflow the container, which will cause a safety accident when the solution is strong acid or strong alkali.

The body and the electrodes of the existing pH detector are fixedly connected. When the detector is not in use, the electrodes are connected to the top of the body by connecting rods, so that the device occupies a large space on the vertical plane, which is not conducive to storage and storage. .

Utility model content

In view of the deficiencies of the prior art, the utility model provides a high-precision laboratory solution pH value detector with temperature control compensation, which is capable of avoiding the overflow of the detection liquid from the container when measuring the detection liquid in the container, and is convenient for storage and storage. The advantages of storage solve the problems raised in the above-mentioned background art.

The utility model provides the following technical solutions: a high-precision laboratory solution pH value detector with temperature control compensation, comprising a body, a placement groove is opened on the top of the body, and a rotating shaft is fixedly installed at the front end of the placement groove, The surface of the rotating shaft is movably connected with a support rod, the surface of the support rod is movably sleeved with a tightening ring, the left side of the tightening ring is engaged with a bolt, and the right side of the tightening ring is fixedly installed with an extension rod , the other end of the extension rod is fixedly installed with an electrode, the bottom of the electrode is fixedly sleeved with a suction tube, the front of the suction tube is fixedly installed with an airbag, the left side of the suction tube is fixedly installed with a hose, and the support rod is A spring one is fixedly installed at the bottom, a connecting plate is fixedly installed on the top surface of the spring one, a connecting rod is fixedly installed on the top surface of the connecting plate, a pressure rod is fixedly installed in the middle of the connecting rod, and the connecting rod is fixedly installed on the top surface of the connecting plate. A pressing plate is fixedly installed at the top end, a moving block is movably connected to the inner cavity of the support rod, a clamping column is fixedly installed on the right side of the moving block, and a second spring is fixedly installed on the left side of the moving block.

Selected, an anti-skid pad is fixedly installed on the top surface of the body, a display screen is fixed on the right side of the body, the anti-skid pad is located on the right side of the placement slot in the horizontal direction, and the anti-skid pad is above the body. on the side closer to the display.

Optionally, a water pump is fixedly installed on the other end of the hose, and the water pump is fixedly installed in the inner cavity of the water tank, and the water tank is fixedly installed on the left side of the body.

Selected, the bottom of the support rod is provided with a cylindrical groove, a through hole and a moving groove in sequence from bottom to top, the spring is fixedly installed on the bottom surface of the inner cavity of the cylindrical groove, and the rotating shaft is located in the inner cavity of the through hole, The moving block is movably connected to the inner cavity of the moving groove.

Selectively, the connecting rod penetrates and extends to the top surface of the support rod, and the pressing rod is located above the moving block in the vertical direction.

Preferably, a triangular groove is formed on the top surface of the moving block below the pressing rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. When using the device, the utility model loosens the fastening ring and the support rod by rotating the bolt, rotates the extension rod so that the electrode is located directly above the measuring container, and adjusts the position of the fastening ring on the support rod, so that the The bottom end of the electrode is in contact with the detection liquid. When the detection liquid in the measuring container is full, squeeze the airbag, so that the pipette sucks a part of the detection liquid and contacts the bottom end of the electrode, so as to avoid the safety zone caused by the liquid overflow caused by putting the electrode into the container. ACCIDENT.

2. The utility model presses the pressing plate when the device is accommodated, so that the pressing plate drives the connecting rod to move downward, and drives the pressure rod installed between the connecting rods to move downward, so that the pressure rod and the surface of the moving block are opened. The contact of the triangular groove drives the moving block to the left, and the clamping column follows the moving block to move to the left, and leaves the circular hole opened in the cavity of the placing groove, so that the support rod rotates around the rotation axis, and the support rod, extension rod and electrode can be placed in the place. The inner cavity of the slot is convenient for storage and storage.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a schematic diagram of the structural bolt connection of the utility model;

3 is a schematic diagram of a structural connecting rod of the present invention;

Fig. 4 is the enlarged schematic diagram of the structure A of the present invention;

FIG. 5 is an enlarged schematic view of the structure B of the present invention.

In the figure: 1. Body; 2. Rotating shaft; 3. Support rod; 4. Fastening ring; 5. Bolt; 6. Extension rod; 7. Electrode; 8. Straw; 9. Airbag; 10. Hose; 11 , water tank; 12, water pump; 13, spring one; 14, connecting plate; 15, connecting rod; 16, pressure rod; 17, pressing plate; 18, moving block; 19, clamping column; 20, spring two; pad; 22, display screen; 23, placement slot; 24, cylindrical slot; 25, through hole; 26, moving slot.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figure 1-5, a high-precision laboratory solution pH detector with temperature control compensation, including a body 1, a non-slip pad 21 is fixedly installed on the top surface of the body 1, and the measuring container is placed on the top of the anti-skid pad 21. It has a non-slip effect on the measuring container, increases the stability of the device when it is used, and prevents the side measuring container from sliding on the top surface of the body 1, which affects the measurement results. It is located on the right side of the placement slot 23 in the horizontal direction, and the anti-skid pad 21 is located above the body 1 on the side close to the display screen 22. The results measured by the device will be displayed directly through the display screen 22. The top of the body 1 is provided with a placement slot. 23. The support rod 3, the extension rod 6 and the electrode 7 can be placed in the inner cavity of the placement slot 23. When the device is stored and stored, the space occupied by the device in the vertical direction is reduced, and the storage of the device is greatly reduced. The front end of the placement groove 23 is fixedly installed with the rotating shaft 2, the surface of the rotating shaft 2 is movably connected with the support rod 3, and the bottom of the support rod 3 is sequentially opened with a cylindrical groove 24, a through hole 25 and a moving Slot 26, spring one 13 is fixedly installed on the bottom surface of the inner cavity of the cylindrical slot 24, providing space for the connecting plate 14 to move up and down, so that the connecting plate 14 can move up and down in the inner cavity of the cylindrical slot 24, and the rotating shaft 2 is located in the through hole 25. The inner cavity is movably sleeved on the inner cavity of the through hole 25 through the surface of the rotating shaft 2, so that the support rod 3 is fixed with the body 1, and the moving block 18 is movably connected to the inner cavity of the moving groove 26, so that the moving block 18 is horizontally connected. At the same time, the movement space of the pressing rod 16 in the vertical direction is provided. The surface of the support rod 3 is movably sleeved with the fastening ring 4, the left side of the fastening ring 4 is engaged with the bolt 5, and the right side of the fastening ring 4 is engaged with the bolt 5. An extension rod 6 is fixedly installed, an electrode 7 is fixedly installed at the other end of the extension rod 6, a suction tube 8 is fixedly sleeved at the bottom of the electrode 7, and an airbag 9 is fixedly installed in front of the suction tube 8. When the detection liquid in the measurement container is full Squeeze the airbag 9, so that the suction pipe 8 sucks a part of the detection liquid and contacts the bottom end of the electrode 7, so as to avoid the safety accident caused by liquid overflow caused by putting the electrode 7 into the container. The left side of the suction pipe 8 is fixedly installed with a hose 10. The other end of the 10 is fixedly installed with a water pump 12, the water pump 12 is fixedly installed in the inner cavity of the water tank 11, and the water tank 11 is fixedly installed on the left side of the body 1. After the measurement, the water tank 11 will pump the water in the water pump 12 into the suction pipe 8. The surface of the electrode 7 is cleaned, and the bottom of the support rod 3 is fixedly installed with a spring one 13. When the clamping column 19 is separated from the circular hole opened in the inner cavity of the placement slot 23, the spring one 13 drives the connecting rod 15 to move upward, so that the connecting rod 15 moves upward. The rod 15 is reset to facilitate the next use. The top surface of the spring one 13 is fixedly installed with a connecting plate 14, and the top surface of the connecting plate 14 is fixedly installed with a connecting rod 15. The connecting rod 15 penetrates and extends to the top surface of the support rod 3, The pressing rod 16 is located above the moving block 18 in the vertical direction, and the connecting rod 15 is movably connected to the inside of the support rod 3. When the connecting rod 15 moves downward, the connecting rod 15 drives the pressing rod 16 to move downward, so that the pressing rod 16 with moving blocks 18 The triangular groove opened on the surface contacts, and drives the moving block 18 to move to the left, and the clamping column 19 follows the moving block 18 to move to the left, and is separated from the circular hole opened in the inner cavity of the placement groove 23. A pressing plate 17 is fixedly installed on the top of the rod 15, and a moving block 18 is movably connected to the inner cavity of the supporting rod 3. The top surface of the moving block 18 is located below the pressing rod 16 with a triangular groove, and the right side of the moving block 18 is fixedly installed with a clamping column. 19. A second spring 20 is fixedly installed on the left side of the moving block 18.

Working principle: When in use, when measuring the detection liquid, place the measuring container on the top surface of the anti-skid pad 21, rotate the bolt 5 to loosen the fastening ring 4 and the support rod 3, and rotate the extension rod 6 so that the electrode 7 is located in the measuring position. Just above the container, adjust the position of the tightening ring 4 on the support rod 3 so that the bottom end of the electrode 7 is in contact with the detection liquid, and tighten the bolt 5 so that the bolt 5 fixes the tightening ring 4 on the surface of the support rod 3. When When the detection liquid in the measurement container is full, squeeze the airbag 9, so that the straw 8 inhales a part of the detection liquid and contacts the bottom end of the electrode 7, so as to avoid the safety accident caused by the liquid overflow caused by putting the electrode 7 into the container. When pressing the pressing plate 17, the pressing plate 17 drives the connecting rod 15 to move downward, and drives the pressing rod 16 installed between the connecting rods 15 to move downward, so that the pressing rod 16 is in contact with the triangular groove opened on the surface of the moving block 18, Drive the moving block 18 to move to the left, the clamping column 19 moves to the left following the moving block 18, and is separated from the circular hole opened in the inner cavity of the placement slot 23, so that the support rod 3 rotates around the rotation axis 2, and the support rod 3, the extension rod 6 and the electrode are moved to the left. 7 can be placed in the inner cavity of the placement slot 23, and the support rod 3 is directly rotated during use. When the clamping column 19 moves to the position of the opening in the placement slot 23, the spring two 20 drives the moving block 18 to move to the right, so that the The clamping column 19 is clamped into the clamping hole opened in the placing groove 23 . After the measurement, the water tank 11 pumps the water in the water pump 12 into the inner cavity of the suction pipe 8 to clean the surface of the electrode 7 .

It should be noted that, in this document, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Meanwhile, in the drawings of the present invention, the filling pattern is only for distinguishing the layers, and does not make any other limitation.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. a laboratory solution pH value detector with high precision band temperature control compensation, comprising a body (1), it is characterized in that: the top of the body (1) is provided with a placement groove (23), and the placement groove ( 23) A rotating shaft (2) is fixedly installed at the front end of the rotating shaft (2), a support rod (3) is movably connected to the surface of the rotating shaft (2), and a fastening ring (4) is movably sleeved on the surface of the support rod (3). , a bolt (5) is engaged with the left side of the fastening ring (4), an extension rod (6) is fixedly installed on the right side of the fastening ring (4), and the other end of the extension rod (6) is fixedly installed There is an electrode (7), a suction tube (8) is fixedly sleeved on the bottom of the electrode (7), an air bag (9) is fixedly installed on the front of the suction tube (8), and a left side of the suction tube (8) is fixedly installed with a A hose (10), a spring one (13) is fixedly installed on the bottom of the support rod (3), a connecting plate (14) is fixedly installed on the top surface of the spring one (13), and the connecting plate (14) A connecting rod (15) is fixedly installed on the top surface of the connecting rod (15), a pressing rod (16) is fixedly installed in the middle of the connecting rod (15), and a pressing plate (17) is fixedly installed on the top of the connecting rod (15). The inner cavity of the support rod (3) is movably connected with a moving block (18), the right side of the moving block (18) is fixedly installed with a clamping column (19), and the left side of the moving block (18) is fixedly mounted with a spring two (18). 20). 2. A kind of high-precision laboratory solution pH value detector with temperature control compensation according to claim 1, characterized in that: the top surface of the body (1) is fixedly installed with an anti-skid pad (21), and the A display screen (22) is fixedly installed on the right side of the body (1), the anti-skid pad (21) is located on the right side of the placement groove (23) in the horizontal direction, and the anti-skid pad (21) is above the body (1) On the side close to the display screen (22). 3. A kind of high-precision laboratory solution pH value detector with temperature control compensation according to claim 1, characterized in that: the other end of the hose (10) is fixedly installed with a water pump (12), and the The water pump (12) is fixedly installed in the inner cavity of the water tank (11), and the water tank (11) is fixedly installed on the left side of the body (1). 4. a kind of high-precision laboratory solution pH value detector with temperature control compensation according to claim 1, is characterized in that: the bottom of described support rod (3) is provided with cylindrical groove (24) sequentially from bottom to top , a through hole (25) and a moving groove (26), the spring one (13) is fixedly installed on the bottom surface of the inner cavity of the cylindrical groove (24), the rotating shaft (2) is located in the inner cavity of the through hole (25), The moving block (18) is movably connected to the inner cavity of the moving groove (26). 5. A kind of high-precision laboratory solution pH value detector with temperature control compensation according to claim 1, characterized in that: the connecting rod (15) runs through and extends to the top surface of the support rod (3), The pressing rod (16) is located above the moving block (18) in the vertical direction. 6. a kind of high-precision laboratory solution pH value detector with temperature control compensation according to claim 1, is characterized in that: the top surface of described moving block (18) is located below the pressure rod (16) and is provided with a triangle groove.

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