Small flat sheet membrane flow potential tester

Abstract

The utility model discloses a small flat membrane flow potential tester, which relates to the technical field of analytical instruments and comprises a tester main body, a control panel is fixedly arranged on the front side of the tester main body, an anti-collision plate is arranged on the front side of the control panel, a cavity is formed in the lower end of the interior of the tester main body, and the control panel is arranged in the cavity. A rotating rod is rotationally arranged on one side of the interior of the cavity, the front end of the rotating rod extends to the outer side of the tester body, and one corner of the anti-collision plate is fixedly connected with the front end of the rotating rod in a sleeving mode; and through grooves are formed in the two sides of the bottom of the cavity, supporting blocks are arranged in the through grooves in a sliding mode, a transverse rod is rotationally arranged on one side of the interior of the cavity, and a first transmission mechanism for driving the rotating rod to rotate is arranged at one end of the transverse rod. The height of the tester can be increased in the transportation process, meanwhile, the control panel of the tester is shielded and protected, the good protection and moisture-proof performance can be achieved, and the transportation safety of the tester is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of analytical instruments, in particular to a small flat-plate membrane streaming potential tester. Background Art

[0002] The membrane streaming potential tester is an analytical instrument used in the fields of materials science, environmental science and technology, and resource science and technology. Its main function is to measure the Zeta potential using the streaming potential method and the streaming current method, thus breaking through the limitations of the traditional electrophoretic light scattering principle on samples.

[0003] During transportation, the bottom of the traditional small flat-plate membrane streaming potential tester is in direct contact with the carrier, which can easily cause the bottom of the tester to get damp and affect the service life of the tester. At the same time, the control panel of the tester is directly exposed to the outside. During transportation, the control panel is easily damaged by shaking and collision. Utility Model Content

[0004] In view of the above problems existing in the existing small flat-plate membrane streaming potential tester, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a small flat membrane flow potential tester, which solves the problem that during transportation, the bottom of the small flat membrane flow potential tester in the prior art is directly in contact with the carrier, which easily causes the bottom of the tester to get damp and affects the service life of the tester. At the same time, the control panel of the tester is directly exposed to the outside, and during transportation, the control panel is easily damaged by shaking and impact.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A small flat-plate membrane streaming potential tester comprises a tester body, a control panel is fixedly arranged on the front side of the tester body, an anti-collision plate is arranged on the front side of the control panel, a cavity is opened at the lower end of the interior of the tester body, a rotating rod is rotatably arranged on one side of the interior of the cavity, the front end of the rotating rod extends to the outside of the tester body, and one corner of the anti-collision plate is fixedly sleeved with the front end of the rotating rod;

[0008] Through grooves are provided on both sides of the bottom of the cavity, support blocks are slidably provided inside the through grooves, a cross bar is rotatably provided on one side of the cavity, a first transmission mechanism for driving the rotating rod to rotate is provided at one end of the cross bar, and a second transmission mechanism for driving the two support blocks to move is provided at the middle end of the cross bar;

[0009] One end of the cross bar extends to the outside of the cavity, and a rotating wheel is fixedly sleeved on the outer end of the cross bar. A fixed shell is fixedly provided on the outer wall of the tester body and located on the upper side of the rotating wheel. A limiting mechanism for limiting the rotation of the rotating wheel is provided inside the fixed shell.

[0010] Preferably, the first transmission mechanism includes a first bevel gear and a second bevel gear, the first bevel gear is fixedly sleeved on the rod wall of the rotating rod, the second bevel gear is fixedly sleeved on one end of the cross rod, and the first bevel gear is meshingly connected with the second bevel gear.

[0011] Preferably, the second transmission mechanism includes a gear and a rack, the two gears are arranged on the upper side of the corresponding support block, the two gears are fixedly connected to the cross bar, the two racks are meshingly arranged on the rear side of the corresponding gears, and the lower ends of the two racks are fixedly connected to the corresponding support block.

[0012] Preferably, the limiting mechanism includes a block and an insertion rod, the block is slidably arranged inside the fixed shell, the insertion rod is fixedly sleeved on the middle part of the block, both ends of the insertion rod extend to the outside of the fixed shell, fixed tubes are fixedly arranged on both sides of the rotating wheel, and one end of the insertion rod is plugged into the fixed tube.

[0013] Preferably, a spring is fixedly provided on the upper side of the stopper, and the upper end of the spring is fixedly connected to the inner wall of the fixed shell.

[0014] Preferably, the cross-sections of the support block and the through slot are both rectangular.

[0015] Preferably, one end of the cross bar close to the rotating rod is rotatably sleeved with a side plate, and one end of the side plate is fixedly connected to the inner wall of the cavity.

[0016] Preferably, the cross sections of the stopper and the fixing shell are both rectangular.

[0017] Preferably, a pull block is fixedly provided on the upper end of the insertion rod.

[0018] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0019] 1. The utility model pulls the insertion rod out of the fixed tube and then rotates the cross bar, which is driven by the first bevel gear and the second bevel gear, so that the rotating rod drives the anti-collision plate to move away from the front side of the control panel, and the control panel can be operated normally. At the same time, the cross bar drives the gear to rotate, and the gear drives the rack to move, so that the support block moves upward and is collected in the cavity, so that the tester body can be stably placed.

[0020] 2. The utility model, by reversing the cross bar and transmitting through the first bevel gear and the second bevel gear, makes the rotating rod rotate and rotates the anti-collision plate to the front side of the control panel, that is, the control panel can be protected from collision. At the same time, the gear drives the rack to move, that is, the support block moves downward, and the bottom of the tester body is raised, so as to provide moisture-proof protection for the tester body. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0022] Figure 1 This is a structural schematic diagram of a small flat-plate membrane streaming potential tester proposed by the utility model;

[0023] Figure 2 for Figure 1 Schematic diagram of the internal structure;

[0024] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A in the middle.

[0025] Description of reference numerals:

[0026] 1. Tester body; 2. Rotating rod; 3. Anti-collision plate; 4. Support block; 5. Side plate; 6. First bevel gear; 7. Second bevel gear; 8. Cross bar; 9. Gear; 10. Rack; 11. Fixed shell; 12. Insert rod; 13. Stopper; 14. Spring; 15. Rotating wheel; 16. Fixed tube; 17. Control panel. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] The utility model embodiment discloses a small flat-plate membrane streaming potential tester.

[0029] Embodiment 1

[0030] Reference Figure 1-3 A small flat-plate membrane streaming potential tester includes a tester body 1, a control panel 17 is fixedly arranged on the front side of the tester body 1, an anti-collision plate 3 is arranged on the front side of the control panel 17, a cavity is opened at the lower end of the interior of the tester body 1, a rotating rod 2 is rotatably arranged on one side of the interior of the cavity, the front end of the rotating rod 2 extends to the outside of the tester body 1, and one corner of the anti-collision plate 3 is fixedly sleeved with the front end of the rotating rod 2;

[0031] Through grooves are provided on both sides of the bottom of the cavity, a support block 4 is slidably provided inside the through groove, and a cross bar 8 is rotatably provided on one side of the cavity;

[0032] One end of the cross bar 8 extends to the outside of the cavity, and a rotating wheel 15 is fixedly sleeved on the outer end of the cross bar 8. A fixed shell 11 is fixedly provided on the outer wall of the tester body 1 and on the upper side of the rotating wheel 15. A side plate 5 is rotatably sleeved on one end of the cross bar 8 close to the rotating rod 2. One end of the side plate 5 is fixedly connected to the inner wall of the cavity, which can support the cross bar 8 so that the cross bar 8 can rotate stably.

[0033] Embodiment 2

[0034] Reference Figure 1-3 A first transmission mechanism is provided at one end of the cross bar 8 to drive the rotating rod 2 to rotate. The first transmission mechanism includes a first bevel gear 6 and a second bevel gear 7. The first bevel gear 6 is fixedly sleeved on the rod wall of the rotating rod 2, and the second bevel gear 7 is fixedly sleeved on one end of the cross bar 8. The first bevel gear 6 is meshed with the second bevel gear 7.

[0035] Embodiment 3

[0036] Reference Figure 1-3 A second transmission mechanism for driving the two support blocks 4 to move is provided at the middle end of the cross bar 8. The second transmission mechanism includes a gear 9 and a rack 10. The two gears 9 are provided on the upper side of the corresponding support blocks 4. The two gears 9 are fixedly sleeved with the cross bar 8. The two racks 10 are meshed and provided on the rear side of the corresponding gears 9. The lower ends of the two racks 10 are fixedly connected with the corresponding support blocks 4. The cross sections of the support blocks 4 and the through grooves are both rectangular, so that the support blocks 4 cannot rotate, that is, they can slide stably.

[0037] Embodiment 4

[0038] Reference Figure 1-3 A limiting mechanism for limiting the rotation of the rotating wheel 15 is provided inside the fixed shell 11, and the limiting mechanism includes a stopper 13 and a plug rod 12. The stopper 13 is slidably arranged inside the fixed shell 11, and the plug rod 12 is fixedly sleeved in the middle of the stopper 13. Both ends of the plug rod 12 extend to the outside of the fixed shell 11. Fixed tubes 16 are fixedly arranged on both sides of the rotating wheel 15, and one end of the plug rod 12 is plugged into the fixed tube 16. A spring 14 is fixedly arranged on the upper side of the stopper 13, and the upper end of the spring 14 is fixedly connected to the inner wall of the fixed shell 11, so that the plugging of the plug rod 12 and the fixed tube 16 is more stable. The cross-sections of the stopper 13 and the fixed shell 11 are both rectangular, so that the stopper 13 cannot rotate, that is, it can slide stably, and a pull block is fixedly arranged on the upper end of the plug rod 12 to facilitate pulling the plug rod 12.

[0039] In the utility model, when in use, the insertion rod 12 is pulled out from the fixed tube 16, and then the cross bar 8 is rotated, and the first bevel gear 6 and the second bevel gear 7 are driven, so that the rotating rod 2 drives the anti-collision plate 3 to move away from the front side of the control panel 17, and the control panel 17 can be operated normally. At the same time, the cross bar 8 drives the gear 9 to rotate, and the gear 9 drives the rack 10 to move, so that the support block 4 moves upward and is collected in the cavity, so that the tester body 1 can be stably placed;

[0040] During transportation, the cross bar 8 is reversed, and the first bevel gear 6 and the second bevel gear 7 are driven to rotate the rotating rod 2, and the anti-collision plate 3 is rotated to the front side of the control panel 17, so that the control panel 17 can be protected from collision. At the same time, the gear 9 drives the rack 10 to move, so that the support block 4 moves downward, and the bottom of the tester body 1 is raised, so as to protect the tester body 1 from moisture.

[0041] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A small flat-plate membrane streaming potential tester, comprising a tester body (1), characterized in that: A control panel (17) is fixedly arranged on the front side of the tester body (1), and an anti-collision plate (3) is arranged on the front side of the control panel (17); a cavity is opened at the lower end of the interior of the tester body (1), and a rotating rod (2) is rotatably arranged on one side of the interior of the cavity, and the front end of the rotating rod (2) extends to the outside of the tester body (1), and one corner of the anti-collision plate (3) is fixedly sleeved with the front end of the rotating rod (2); Through grooves are provided on both sides of the bottom of the cavity, a support block (4) is slidably arranged inside the through groove, a cross bar (8) is rotatably arranged on one side of the cavity, a first transmission mechanism for driving the rotating rod (2) to rotate is provided at one end of the cross bar (8), and a second transmission mechanism for driving the two support blocks (4) to move is provided at the middle end of the cross bar (8); One end of the cross bar (8) extends to the outside of the cavity, and a rotating wheel (15) is fixedly sleeved on the outer end of the cross bar (8). A fixed shell (11) is fixedly provided on the outer wall of the tester body (1) and located above the rotating wheel (15), and a limiting mechanism for limiting the rotation of the rotating wheel (15) is provided inside the fixed shell (11).

2. The small flat membrane streaming potential tester according to claim 1, characterized in that: The first transmission mechanism comprises a first bevel gear (6) and a second bevel gear (7); the first bevel gear (6) is fixedly sleeved on the rod wall of the rotating rod (2); the second bevel gear (7) is fixedly sleeved on one end of the cross rod (8); the first bevel gear (6) and the second bevel gear (7) are meshingly connected.

3. The small flat membrane streaming potential tester according to claim 1, characterized in that: The second transmission mechanism comprises a gear (9) and a rack (10), wherein the two gears (9) are arranged on the upper side of the corresponding support block (4), the two gears (9) are fixedly sleeved with the cross bar (8), the two racks (10) are meshed and arranged on the rear side of the corresponding gear (9), and the lower ends of the two racks (10) are fixedly connected with the corresponding support block (4).

4. The small flat membrane streaming potential tester according to claim 1, characterized in that: The limiting mechanism comprises a stopper (13) and an insertion rod (12); the stopper (13) is slidably arranged inside the fixed shell (11); the insertion rod (12) is fixedly sleeved on the middle part of the stopper (13); both ends of the insertion rod (12) extend to the outside of the fixed shell (11); fixed tubes (16) are fixedly arranged on both sides of the rotating wheel (15); and one end of the insertion rod (12) is plugged into the fixed tube (16).

5. The small flat-plate membrane streaming potential tester according to claim 4, characterized in that: A spring (14) is fixedly arranged on the upper side of the stopper (13), and the upper end of the spring (14) is fixedly connected to the inner wall of the fixed shell (11).

6. The small flat-plate membrane streaming potential tester according to claim 1, characterized in that: The cross sections of the support block (4) and the through slot are both rectangular.

7. The small flat-plate membrane streaming potential tester according to claim 1, characterized in that: One end of the cross bar (8) close to the rotating rod (2) is rotatably sleeved with a side plate (5), and one end of the side plate (5) is fixedly connected to the inner wall of the cavity.

8. The small flat-plate membrane streaming potential tester according to claim 4, characterized in that: The cross sections of the stopper (13) and the fixing shell (11) are both rectangular.

9. The small flat-plate membrane streaming potential tester according to claim 4, characterized in that: A pull block is fixedly arranged on the upper end of the insertion rod (12).

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