Multi-point pH measurement calibration device

Abstract

The utility model discloses a multipoint pH measurement and calibration device, and relates to the technical field of pH measurement and calibration. According to the multi-point pH measurement calibration device, adjustment of the distance between the supporting column and the device body is achieved by pulling the damping telescopic rod, the supporting column is controlled to slide in the sliding sleeve by rotating the sliding sleeve until the lower end of the supporting plate is attached to the table top, and stable supporting of the supporting column is achieved; the lifting seat can be pulled to slide and lift along the sliding chute and the sliding rod by pinching the two pressing parts, so that the height of the lifting seat is adjusted, the adjusting screw rod is driven to rotate by rotating the knob, the clamping block is matched with the cushion block, the pH electrode is clamped and fixed, the lifting seat is released by pinching the pressing parts, and the lifting seat is moved to the bottom of the sliding chute and then is loosened, so that the pH electrode is clamped and fixed. And then the rotating rod is lifted till the rotating rod is attached to the inner side of the groove, after the supporting column is rotated to be in a horizontal state, the damping telescopic rod is shortened to drive the positioning block to be inserted into the inserting groove, and the whole supporting structure is stored.

Description

Technical Field

[0001] The utility model relates to the technical field of pH measurement and calibration, in particular to a multi-point pH measurement and calibration device. Background Art

[0002] A pH meter is an instrument that uses a pH indicator electrode to measure the pH value of a solution by the potentiometric method. It can be divided into pen-type pH meters, portable pH meters, laboratory pH meters, and industrial pH meters, etc. It is widely used in agriculture, environmental protection, industry and other fields.

[0003] For example, patent No. CN220819893U discloses a multi-point pH measurement and calibration device, including a calibration device body, the surface of the bottom end of the calibration device body is fixedly connected to a base, the surface of the top end of the base is fixedly connected to a fixed column, the surface of the top end of the fixed column is fixedly connected to a support rod, the surface of the support rod is slidably connected to a support rod, the inner left side of the support rod is slidably connected to a first sliding rod, and the opposite back side of the first sliding rod is fixedly connected to a circular plate. When the staff needs to adjust the height of the multi-point pH detector, the first limit rod is driven away from the first sliding rod by pulling the pull plate. At this time, the first sliding rod is not bound, and the first sliding rod is driven by the circular plate to slide outward, so that the first sliding rod is away from the through hole. At this time, the support rod can slide up and down, and the first sliding rod, the first limit rod, the through hole and other structures are arranged to facilitate the user to effectively limit the multi-point pH detector after pulling;

[0004] The multi-point pH metering and calibration device in this patent lacks the storage function of the supporting structure, resulting in a large storage and carrying space when the device is not in use, and it is easy to cause collision and damage to the supporting structure. At the same time, the adjustment structure of its supporting structure is relatively complicated, which makes it difficult to operate and affects the efficiency of its adjustment and use. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a multi-point pH measurement and calibration device, which solves the problem that the multi-point pH measurement and calibration device lacks the storage function of the supporting structure, resulting in a large storage and carrying space when the device is not in use, and easily causing collision and damage to the supporting structure. At the same time, the adjustment structure of the supporting structure is relatively complicated, resulting in difficulty in operation, affecting the efficiency of its adjustment and use.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a multi-point pH measurement and calibration device, comprising a device body, a damping telescopic rod is arranged on the rear side of the device body, a sliding sleeve is arranged on the left end of the damping telescopic rod, a support column is arranged on the inner side of the sliding sleeve, a sliding groove is opened on the front side of the support column, a lifting seat is arranged on the inner side of the sliding groove, a movable groove is opened on the left and right sides of the lifting seat, a guide column is arranged on the inner side of the movable groove, a clamping block is arranged on the outer side of the guide column, a spring is arranged on the inner side of the clamping block, a limiting groove is opened on the front side of the lifting seat, a rotating rod is arranged on the inner side of the limiting groove, a clamping seat is arranged on the front end of the rotating rod, a clamping groove is opened on the front end of the clamping seat, a clamping block is arranged on the inner side of the clamping groove, an adjusting screw is arranged on the left side of the clamping block, a groove is opened on the upper end of the support column, and a positioning block is arranged on the right side of the clamping seat.

[0007] Preferably, the right end of the damping telescopic rod is fixedly connected to the device body, the left end of the damping telescopic rod is rotatably connected to the right side of the sliding sleeve, the support column is slidably connected to the inner side of the sliding sleeve, and a support plate is fixedly installed at the lower end of the support column to facilitate support and storage of the support column.

[0008] Preferably, a sliding rod is provided on the inner side of the slide groove, two sliding rods are arranged in parallel on the left and right, and are slidably connected to the lifting seat through a through hole, the front end of the lifting seat extends to the outer side of the slide groove, and the rear end of the lifting seat is slidably connected to the inner side of the slide groove, so as to facilitate the sliding and lifting of the lifting seat.

[0009] Preferably, the movable groove, guide column and locking block are symmetrically arranged in two, the front end of the locking block extends to the outside of the movable groove and is provided with a pressing portion, the rear end of the locking block extends to the outside of the movable groove, and is engaged with the left and right sides of the slide groove through the locking groove, and there are multiple locking grooves evenly arranged up and down to facilitate the limiting and fixing of the lifting seat.

[0010] Preferably, one end of the guide column is fixedly connected to the inner side of the movable groove, the other end of the guide column is slidably sleeved with the locking block through the guide groove, the spring is located on the inner side of the guide groove and fixedly connected to the end of the guide column, and one end of the spring away from the guide column is fixedly connected to the inner side of the guide groove, so as to facilitate the sliding and resetting of the locking block.

[0011] Preferably, the rear end of the rotating rod and the inner side of the limit groove are rotationally connected via a damping shaft, the front end of the rotating rod is fixedly connected to the clamping seat, the rotating rod and the inner sides of the slide groove and the groove are adapted to each other, the left end of the positioning block is fixedly connected to the clamping seat, and the right end of the positioning block and the right side of the device body are adapted to each other via a slot, which facilitates the storage of the rotating rod.

[0012] Preferably, a pad is fixedly installed on the right end of the inner side of the clamping groove, and two clamping blocks are arranged in parallel front and back at the left end of the inner side of the clamping groove, and are adapted to the left side of the pad, the front and rear sides of the clamping block are slidingly connected to the inner side of the clamping groove, the left side of the clamping block is rotatably connected to the right end of the adjusting screw rod, the left end of the adjusting screw rod extends to the left side of the clamping seat and is fixedly installed with a knob, the adjusting screw rod and the clamping seat are threadedly connected through a threaded hole, which is convenient for fixing the pH electrode. Beneficial Effects

[0013] The utility model provides a multi-point pH measurement and calibration device. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The multi-point pH measurement and calibration device is provided with a device body, a damping telescopic rod, a sliding sleeve, a support column, a support plate, a slide groove, a sliding rod, a locking groove, a lifting seat, a locking block, a pressing part, and a spring. The distance between the support column and the device body is adjusted by pulling the damping telescopic rod, and the support column is controlled to slide in the sliding sleeve at the same time by rotating the sliding sleeve until the lower end of the support plate is in contact with the desktop to achieve stable support for the support column. The rear end of the locking block is driven to disengage from the locking groove by pinching two pressing parts, and the fixing of the lifting seat is released, so that the lifting seat can be pulled to slide and rise along the slide groove and the sliding rod to adjust the height of the lifting seat. After the adjustment is completed, the pressing part is released, so that the locking block is reset under the action of the spring elastic force and is engaged with the corresponding locking groove to achieve rapid fixation of the lifting seat.

[0015] 2. The multi-point pH measurement and calibration device is provided with a limit groove, a rotating rod, a clamping groove, a cushion block, a clamping block, an adjusting screw rod and a knob. The rotating rod is rotated until it fits with the lower end of the limit groove so that it and the support column are in a horizontal state. Then, the pH electrode to be fixed is placed inside the clamping groove. The adjusting screw rod is driven to rotate by rotating the knob, so that the clamping block and the cushion block cooperate to clamp and fix the pH electrode, thereby achieving stable support for the pH electrode.

[0016] 3. The multi-point pH measurement and calibration device is provided with a device body, a damping telescopic rod, a slide groove, a lifting seat, a pressing part, a rotating rod, a groove, and a positioning block. The lifting seat is released by pinching the pressing part, and the lifting seat is moved to the bottom of the slide groove and then released. The rotating rod is then lifted until it fits with the inner side of the groove to achieve storage of the rotating rod. After the support column is lifted and rotated to a horizontal state, the support column is driven to approach the device body by shortening the damping telescopic rod until the positioning block is inserted into the slot, thereby achieving storage of the entire support structure and facilitating storage and carrying of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 .

[0018] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 .

[0019] Figure 3 The three-dimensional structure of the utility model is shown in FIG. Figure 3 .

[0020] Figure 4 It is a top view half-section structure diagram of the lifting seat, rotating rod and clamping seat of the utility model.

[0021] In the figure: 1. device body; 2. damping telescopic rod; 3. sliding sleeve; 4. support column; 41. support plate; 5. sliding groove; 51. sliding rod; 52. engaging groove; 6. lifting seat; 7. movable groove; 8. guide column; 9. engaging block; 91. pressing part; 92. guide groove; 10. spring; 11. limiting groove; 12. rotating rod; 13. clamping seat; 14. clamping groove; 141. cushion block; 15. clamping block; 16. adjusting screw; 161. knob; 17. groove; 18. positioning block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: a multi-point pH measurement and calibration device, comprising a device body 1, a damping telescopic rod 2 is arranged on the rear side of the device body 1, a sliding sleeve 3 is arranged on the left end of the damping telescopic rod 2, a support column 4 is arranged on the inner side of the sliding sleeve 3, the right end of the damping telescopic rod 2 is fixedly connected to the device body 1, the left end of the damping telescopic rod 2 is rotatably connected to the right side of the sliding sleeve 3, the support column 4 is slidably connected to the inner side of the sliding sleeve 3, a support plate 41 is fixedly installed on the lower end of the support column 4, the distance between the support column 4 and the device body 1 is adjusted by pulling the damping telescopic rod 2, and the support column 4 is controlled to slide in the sliding sleeve 3 by rotating the sliding sleeve 3 at the same time until the lower end of the support plate 41 fits with the desktop, so as to achieve stable support for the support column 4;

[0024] A slide groove 5 is provided on the front side of the support column 4, a lifting seat 6 is provided on the inner side of the slide groove 5, a slide rod 51 is provided on the inner side of the slide groove 5, two slide rods 51 are arranged in parallel on the left and right, and are slidably connected to the lifting seat 6 through a through hole, the front end of the lifting seat 6 extends to the outer side of the slide groove 5, the rear end of the lifting seat 6 is slidably connected to the inner side of the slide groove 5, and a movable groove 7 is provided on the left and right sides of the lifting seat 6, a guide column 8 is provided on the inner side of the movable groove 7, and a clamping block 9 is provided on the outer side of the guide column 8, and the movable groove 7, the guide column 8, and the clamping block 9 are all symmetrically provided with two, the front end of the clamping block 9 extends to the outer side of the movable groove 7 and is provided with a pressing portion 91, the rear end of the clamping block 9 extends to the outer side of the movable groove 7, and is clamped and connected to the left and right sides of the slide groove 5 through the clamping groove 52, and the clamping groove 52 is vertically There are multiple springs 10 arranged evenly, one end of the guide column 8 is fixedly connected to the inner side of the movable groove 7, and the other end of the guide column 8 is slidably sleeved with the clamping block 9 through the guide groove 92. The spring 10 is located on the inner side of the guide groove 92 and is fixedly connected to the end of the guide column 8. The end of the spring 10 away from the guide column 8 is fixedly connected to the inner side of the guide groove 92. By pinching the two pressing parts 91, the rear end of the clamping block 9 is driven to disengage from the clamping groove 52, and the fixation of the lifting seat 6 is released, and the lifting seat 6 can be pulled to slide and lift along the slide groove 5 and the slide rod 51 to achieve the adjustment of the height of the lifting seat 6. After the adjustment is completed, the pressing part 91 is released, so that the clamping block 9 is reset under the elastic force of the spring 10 and is engaged with the corresponding clamping groove 52, so as to achieve the rapid fixation of the lifting seat 6.

[0025] A limiting groove 11 is provided on the front side of the lifting seat 6, a rotating rod 12 is provided on the inner side of the limiting groove 11, a clamping seat 13 is provided on the front end of the rotating rod 12, a clamping groove 14 is provided on the front end of the clamping seat 13, a clamping block 15 is provided on the inner side of the clamping groove 14, an adjusting screw 16 is provided on the left side of the clamping block 15, a groove 17 is provided on the upper end of the support column 4, a positioning block 18 is provided on the right side of the clamping seat 13, the rear end of the rotating rod 12 and the inner side of the limiting groove 11 are rotatably connected through a damping shaft, the front end of the rotating rod 12 and the clamping seat 13 are fixedly connected, the rotating rod 12 and the inner side of the slide groove 5 and the groove 17 are adapted to each other, the left end of the positioning block 18 is fixedly connected to the clamping seat 13, the right end of the positioning block 18 and the right side of the device body 1 are adapted to each other through a slot, and the right end of the inner side of the clamping groove 14 is fixedly installed with a pad 14 1. The left end of the clamping block 15 located inside the clamping groove 14 is arranged in parallel in front and back, and is adapted to the left side of the cushion block 141. The front and rear sides of the clamping block 15 are slidably connected to the inside of the clamping groove 14. The left side of the clamping block 15 is rotatably connected to the right end of the adjusting screw rod 16. The left end of the adjusting screw rod 16 extends to the left side of the clamping seat 13 and is fixedly installed with a knob 161. The adjusting screw rod 16 and the clamping seat 13 are threadedly connected through a threaded hole. By rotating the rotating rod 12 until it fits with the lower end of the limiting groove 11 and makes it and the support column 4 in a horizontal state, the pH electrode to be fixed is placed in the inner side of the clamping groove 14. By rotating the knob 161, the adjusting screw rod 16 is driven to rotate, so that the clamping block 15 and the cushion block 141 cooperate to achieve clamping and fixing of the pH electrode, thereby achieving stable support for the pH electrode.

[0026] When in use, the distance between the support column 4 and the device body 1 is adjusted by pulling the damping telescopic rod 2, and the support column 4 is controlled to slide in the sliding sleeve 3 by rotating the sliding sleeve 3 until the lower end of the support plate 41 is in contact with the desktop, so as to achieve stable support for the support column 4, and the rear end of the locking block 9 is driven to disengage from the locking groove 52 by pinching the two pressing parts 91 to release the fixation of the lifting seat 6, so that the lifting seat 6 can be pulled to slide and rise along the sliding groove 5 and the sliding rod 51 to achieve the height adjustment of the lifting seat 6, and the pressing part 91 is released after the adjustment is completed, so that the locking block 9 is reset under the elastic force of the spring 10 and is engaged with the corresponding locking groove 52 to achieve the rapid fixation of the lifting seat 6, and the rotating rod 12 is rotated until it is in contact with the lower end of the limiting groove 11, so that it and the support column 4 are in water. After the pH electrode is in the flat state, put the pH electrode to be fixed into the inner side of the clamping groove 14, and drive the adjusting screw 16 to rotate by turning the knob 161, so that the clamping block 15 and the cushion block 141 cooperate to clamp and fix the pH electrode, thereby achieving stable support for the pH electrode. After the device is used, the lifting seat 6 is released by pinching the pressing part 91, and the lifting seat 6 is moved to the bottom of the slide groove 5 and then released, and then the rotating rod 12 is lifted until it fits with the inner side of the groove 17 to achieve the storage of the rotating rod 12. After the support column 4 is lifted and rotated to the horizontal state, the support column 4 is driven to approach the device body 1 by shortening the damping telescopic rod 2 until the positioning block 18 is inserted into the slot, so as to achieve the storage of the entire support structure, which is convenient for the storage and carrying of the device.

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-point pH measurement and calibration device, comprising a device body (1), characterized in that: A damping telescopic rod (2) is arranged at the rear side of the device body (1); a sliding sleeve (3) is arranged at the left end of the damping telescopic rod (2); a support column (4) is arranged on the inner side of the sliding sleeve (3); a sliding groove (5) is arranged on the front side of the support column (4); a lifting seat (6) is arranged on the inner side of the sliding groove (5); movable grooves (7) are arranged on the left and right sides of the lifting seat (6); a guide column (8) is arranged on the inner side of the movable groove (7); a clamping block (9) is arranged on the outer side of the guide column (8); a spring is arranged on the inner side of the clamping block (9). (10), a limiting groove (11) is provided on the front side of the lifting seat (6), a rotating rod (12) is provided on the inner side of the limiting groove (11), a clamping seat (13) is provided on the front end of the rotating rod (12), a clamping groove (14) is provided on the front end of the clamping seat (13), a clamping block (15) is provided on the inner side of the clamping groove (14), an adjusting screw rod (16) is provided on the left side of the clamping block (15), a groove (17) is provided on the upper end of the support column (4), and a positioning block (18) is provided on the right side of the clamping seat (13).

2. A multi-point pH measurement and calibration device according to claim 1, characterized in that: The right end of the damping telescopic rod (2) is fixedly connected to the device body (1), the left end of the damping telescopic rod (2) is rotatably connected to the right side of the sliding sleeve (3), the support column (4) is slidably connected to the inner side of the sliding sleeve (3), and the lower end of the support column (4) is fixedly mounted with a support plate (41).

3. A multi-point pH measurement and calibration device according to claim 1, characterized in that: A sliding rod (51) is arranged inside the slide groove (5), two sliding rods (51) are arranged side by side on the left and right, and are slidably connected to the lifting seat (6) through a through hole, the front end of the lifting seat (6) extends to the outside of the slide groove (5), and the rear end of the lifting seat (6) is slidably connected to the inside of the slide groove (5).

4. A multi-point pH measurement and calibration device according to claim 1, characterized in that: The movable groove (7), the guide column (8), and the engaging block (9) are all provided in two symmetrical positions. The front end of the engaging block (9) extends to the outside of the movable groove (7) and is provided with a pressing portion (91). The rear end of the engaging block (9) extends to the outside of the movable groove (7) and is engaged with the left and right sides of the slide groove (5) through the engaging grooves (52). The engaging grooves (52) are arranged in a plurality of equal positions in the upper and lower directions.

5. A multi-point pH measurement and calibration device according to claim 1, characterized in that: One end of the guide column (8) is fixedly connected to the inner side of the movable groove (7), the other end of the guide column (8) is slidably connected to the engaging block (9) via the guide groove (92), the spring (10) is located on the inner side of the guide groove (92) and is fixedly connected to the end of the guide column (8), and one end of the spring (10) away from the guide column (8) is fixedly connected to the inner side of the guide groove (92).

6. A multi-point pH measurement and calibration device according to claim 1, characterized in that: The rear end of the rotating rod (12) and the inner side of the limiting groove (11) are rotationally connected via a damping shaft, the front end of the rotating rod (12) is fixedly connected to the clamping seat (13), the rotating rod (12) and the inner sides of the sliding groove (5) and the groove (17) are mutually adapted, the left end of the positioning block (18) is fixedly connected to the clamping seat (13), and the right end of the positioning block (18) and the right side of the device body (1) are mutually adapted via a slot.

7. A multi-point pH measurement and calibration device according to claim 1, characterized in that: A cushion block (141) is fixedly mounted on the right end of the inner side of the clamping groove (14); two clamping blocks (15) are arranged in parallel in front and back at the left end of the inner side of the clamping groove (14), and are adapted to the left side of the cushion block (141); the front and rear sides of the clamping block (15) are slidably connected to the inner side of the clamping groove (14); the left side of the clamping block (15) is rotatably connected to the right end of the adjusting screw rod (16); the left end of the adjusting screw rod (16) extends to the left side of the clamping seat (13) and is fixedly mounted with a knob (161); the adjusting screw rod (16) and the clamping seat (13) are threadedly connected via a threaded hole.

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