CN218212739U

CN218212739U - PH digit grading table

Info

Publication number: CN218212739U
Application number: CN202222294658.0U
Authority: CN
Inventors: 吴辉明
Original assignee: Zhaoguikeda Fuzhou Electronic Technology Co ltd
Current assignee: Zhaoguikeda Fuzhou Electronic Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-03
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to a water quality testing equipment field especially relates to a pH digit grading table, connect the connection of electric lines grading table body with test probe, grading table body includes the upper cover and the base of mutual lock, on cover and be provided with central computer and display screen, be provided with a holding chamber on the base, the upper end in holding chamber is provided with along the department and connects the convex part, around being provided with at least three card and putting the recess, adjacent two on connecting the convex part the vertical interval that the recess was put to the card is the same, on cover integrated into one piece ground and be provided with the base, around being provided with the rubber seal ring on the week side of base, the rubber seal ring with the mutual joint cooperation of recess is put to the card, the quantity of rubber seal ring with the quantity that the recess was put to the card is the same, be provided with the inserting groove that supplies the circuit board to peg graft on the base, solved current grading table body and leaded to leak the technical problem that the condition takes place because of sealing performance is not enough easily.

Description

PH digit grading table

Technical Field

The utility model relates to a water quality testing equipment field especially relates to a pH digit rating table.

Background

The online pH meter is a precise meter for testing the pH/ORP value of a solution, has the characteristics of complete functions, stable performance, simple and convenient operation and the like, and becomes an ideal meter for industrial enterprises in the fields of testing and controlling the pH/ORP.

The online pH meter is displayed by an LCD with background light and has error indication; automatic temperature compensation; correcting double points; an isolated 4-20mA current output; the control of double-group relay, adjustable retardation, high and low point alarm indication; and power failure memory is realized, a backup battery is not needed, and data is stored for more than ten years.

The on-line pH meter can be matched with various BPH/BRP electrodes.

The invention patent with Chinese patent application number of 202010501092.7 discloses a pH meter, which comprises an electrode, an extension bar, an installation conduit and a transmission rod; the inner cavity of the electrode is connected to one end of an extension bar, the extension bar is arranged in a transmission rod, the transmission rod is arranged in an installation guide pipe, and a signal wire is connected with the electrode; the installation conduit is connected with a ball valve; the inner side of the installation guide pipe is provided with an inner screw thread which is assembled with a transmission rod provided with an outer screw thread; a flushing water interface is arranged between the ball valve and the inner thread; one end of the transmission rod is provided with a drill bit, and the other end of the transmission rod is provided with a rotary rod. In the technical scheme, the extension bar also has a liquid sealing function, has a certain safety distance with the liquid level and prevents liquid from running out; the ball valve is used for closing the channel in the maintenance process, so that liquid is prevented from flowing out, and fluid is prevented from exchanging with each other; the maintenance process of the pH meter is carried out, the damage rate of the electrode of the pH meter is reduced, and the service life is prolonged. The technical scheme provided by the invention mainly describes the structure of the probe, and the waterproof structure is not improved aiming at the body of the grading meter in the prior art, so that the water inlet risk is easy to exist.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a pH digit rating table has solved current rating table body and has leaded to the technical problem that the condition of leaking takes place because of sealing performance is not enough easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a pH digit rating table, includes rating table body, test probe, connecting wire connects rating table body with test probe, rating table body includes upper cover and base of mutual lock, be provided with central computer and display screen on the upper cover, be provided with a holding chamber on the base, the upper end edge department in holding chamber is provided with the connection convex part, it puts the recess to encircle to be provided with at least three card on the connection convex part, two adjacent card put the vertical interval of recess the same, cover on and be provided with the base in an organic whole, the week side of base is gone up to encircle and is provided with the rubber sealing ring, the rubber sealing ring with the mutual joint cooperation of card groove, the quantity of rubber sealing ring with the quantity of card groove is the same, be provided with the inserting groove that the circuit board pegged graft on the base.

Furthermore, a supporting device is arranged on the lower bottom surface of the base and comprises a supporting groove, a supporting bottom plate and a supporting auxiliary plate, the supporting groove is formed in the lower bottom surface of the base, the supporting bottom plate is rotatably arranged in the supporting groove, the supporting auxiliary plate is rotatably arranged on the supporting bottom plate, and a plurality of positioning protrusions are arranged in the supporting groove.

Furthermore, the distance between two adjacent positioning bulges is the same.

Further, the support bottom plate and the support sub-plate can be completely placed in the support groove.

Furthermore, an extension part is integrally formed on the upper cover, and the extension part extends towards the base and is attached to the outer side surface of the base.

By adopting the technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses an adopt the connected mode of the direct lock of upper cover and base, easy dismounting has been accomplished, high durability and convenient use, simultaneously be provided with the card on the connection convex part of base and put the recess, be provided with rubber seal ring on the week side of the base of upper cover, through in the time of upper cover and base lock, rubber seal ring and card put the recess and mutually support, sealing performance between upper cover and the base has been guaranteed, be provided with the inserting groove that the circuit board was pegged graft on the base simultaneously, adopt the circuit board mounting means of suspension type, avoid the holding intracavity in case by the invasion can damage the circuit board.

2. Through being provided with strutting arrangement at the base, its theory of operation is similar to the cell-phone support frame, and its purpose has made things convenient for the rating table to place and to incline to place and can be convenient for observe numerical value and need not artifical handheld on the desktop.

3. The distance between two adjacent positioning bulges is the same, so that the regularity of the inclination angle adjustment is ensured.

4. The supporting bottom plate and the supporting auxiliary plate can be completely arranged in the supporting groove, so that the completely horizontal state can be guaranteed when the grading gauge is horizontally arranged, and shaking caused by unstable bottom can be avoided.

5. The upper cover is provided with the extension with integrated into one piece, the extension to the base direction extends and laminates the lateral surface of base further prevents from last inside down rivers such as the invasion rating table of rainwater.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a bottom view of the body of the rating watch of the present invention;

fig. 3 is a schematic view of the structure of the supporting device (only the supporting device is shown in detail);

FIG. 4 is a schematic view of the internal structure of the rating watch body of the present invention;

fig. 5 is an enlarged view at a in fig. 4.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 5, in this embodiment, a pH digital rating table is provided, which includes a rating table body 1, a detecting probe 3, and a connecting wire 2, where the connecting wire 2 connects the rating table body 1 and the detecting probe 3, the detecting probe 3 and the connecting wire 2 are known components, and no description is given here to the structure of the known components, the rating table body 1 includes an upper cover 12 and a base 11 that are fastened to each other, a central computer and a display screen 4 are disposed on the upper cover 12, the central computer is a known component and directly integrated with the upper cover 12 and electrically connected to the display screen 4, an accommodating cavity 111 is disposed on the base 11, a connecting protrusion 112 is disposed at an upper end edge of the accommodating cavity 111, three clamping grooves 113 are disposed around the connecting protrusion 112, vertical distances between two adjacent clamping grooves 113 are the same, a base 121 is integrally disposed on the upper cover 12, the peripheral side surface of the base 121 is provided with three rubber sealing rings 122 in a surrounding manner, the rubber sealing rings 122 are in clamping fit with the clamping grooves 113, the number of the rubber sealing rings 122 is the same as that of the clamping grooves 113, the base 121 is provided with a plugging groove 124 for plugging a circuit board, the lower bottom surface of the base 11 is provided with a supporting device 5, the supporting device 5 comprises a supporting groove 52, a supporting bottom plate 51 and a supporting auxiliary plate 53, the supporting groove 52 is arranged on the lower bottom surface of the base 11, the supporting bottom plate 51 is rotatably arranged in the supporting groove 52, the supporting auxiliary plate 53 is rotatably arranged on the supporting bottom plate 51, the supporting groove 52 is provided with three positioning protrusions 54, the supporting bottom plate 51 is hinged with the supporting groove 52, and the supporting auxiliary plate 53 is hinged with the supporting bottom plate 51, the distance between two adjacent positioning protrusions 54 is the same, the supporting bottom plate 51 and the supporting sub-plate 53 can be completely placed in the supporting groove 52, the upper cover 12 is integrally provided with an extending part 123, and the extending part 123 extends towards the base 11 and is attached to the outer side surface of the base 11.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a pH digit level table, includes level table body, test probe, connecting wire connects level table body with test probe, its characterized in that: the grading table comprises a grading table body and is characterized in that the grading table body comprises an upper cover and a base which are mutually buckled, a central computer and a display screen are arranged on the upper cover, a containing cavity is arranged on the base, a connecting convex part is arranged at the upper end edge of the containing cavity, at least three clamping grooves are formed in the connecting convex part in an encircling mode, the vertical distance between every two adjacent clamping grooves is the same, a base is integrally formed on the upper cover, a rubber sealing ring is arranged on the peripheral side of the base in an encircling mode, the rubber sealing ring is matched with the clamping grooves in a clamping mode, the number of the rubber sealing rings is the same as that of the clamping grooves, and inserting grooves for inserting circuit boards are formed in the base.

2. A pH rating scale according to claim 1, wherein: the supporting device comprises a supporting groove, a supporting bottom plate and a supporting auxiliary plate, the supporting groove is formed in the lower bottom surface of the base, the supporting bottom plate is rotatably arranged in the supporting groove, the supporting auxiliary plate is rotatably arranged on the supporting bottom plate, and a plurality of positioning protrusions are arranged in the supporting groove.

3. A pH rating scale according to claim 2, wherein: the distance between two adjacent positioning bulges is the same.

4. A pH rating scale according to claim 2, wherein: the support bottom plate and the support sub-plate can be completely placed in the support groove.

5. A pH value rating table according to any one of claims 1 to 4, wherein: the upper cover is integrally provided with an extension part, and the extension part extends towards the base and is attached to the outer side face of the base.