CN217056921U

CN217056921U - PH meter support frame

Info

Publication number: CN217056921U
Application number: CN202220650251.4U
Authority: CN
Inventors: 魏玉君; 邓兰; 陈莉; 胡月
Original assignee: Mindenanga Chengdu Biotechnology Co ltd
Current assignee: Mindenanga Chengdu Biotechnology Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-26
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a support frame of a pH meter, which comprises a support base, wherein the support base is connected with a host; the support comprises a first support arm connected with the support base, a second support arm connected with the end part of the first support arm far away from the support base, and a telescopic part, wherein one end of the telescopic part is connected with the arm part of the first support arm, and the other end of the telescopic part is connected with the arm part of the second support arm; the electrode frame comprises a connecting part and a fixing part for fixing the electrode, and the connecting part is connected with the end part of the second support arm far away from the first support arm. In the utility model, the first support arm and the second support arm are fixed by the telescopic part, so that the second support arm is prevented from shaking, and the electrode is prevented from being separated from the electrode frame; secondly, the utility model discloses an electrode holder sets up the mounting including spring and clamping piece, makes the electrode stable fixation on the electrode holder, further avoids the electrode to slide from the electrode holder.

Description

PH meter support frame

Technical Field

The utility model relates to a pH value measures technical field, concretely relates to pH meter support frame.

Background

The pH meter is a common instrument and equipment, is mainly used for precisely measuring the pH value of a liquid medium, can also measure the potential MV value of an ion electrode by matching with a corresponding ion selective electrode, and is widely applied to the fields of environmental protection, sewage treatment, scientific research, pharmacy, fermentation, chemical engineering, cultivation, tap water and the like. The instrument is also a necessary inspection device in QS and HACCP certification of food factories and drinking water factories.

The stability of the support frame in the current pH meter is not enough, the support frame is easy to shake, the electrode positioned on the electrode frame is easy to break away in the shaking process, the electrode is damaged, the testing accuracy of the pH meter is reduced, and the service life of the electrode is also shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pH meter support frame to solve current support and rock the problem that arouses the electrode to drop from the electrode frame.

In order to achieve the purpose, the utility model provides a support frame of a pH meter, which comprises a support base, wherein the support base is connected with a host; the support comprises a first support arm connected with the support base, a second support arm connected with the end part of the first support arm far away from the support base, and a telescopic part, wherein one end of the telescopic part is connected with the arm part of the first support arm, and the other end of the telescopic part is connected with the arm part of the second support arm; the electrode frame comprises a connecting part and a fixing part for fixing the electrode, and the connecting part and the second supporting arm are far away from the end part of the first supporting arm and are connected.

Furthermore, the telescopic part comprises a first connecting rod and a second connecting rod which are respectively connected with the arm part of the first supporting arm and the arm part of the second supporting arm, the end part of the second connecting rod, which is far away from the second supporting arm, is provided with a telescopic groove which is concave along the axial direction of the second connecting rod, wherein the end part, which is far away from the first supporting arm, of the first connecting rod is inserted into the telescopic groove and slides along the axial direction of the second connecting rod, and the first connecting rod and the second connecting rod are fixed through bolts.

Furthermore, the lateral wall of the first connecting rod is provided with a clamping groove which is sunken relative to the lateral wall of the first connecting rod, the width of the clamping groove is larger than the diameter of the bolt, and the second connecting rod is provided with a screw hole matched with the bolt.

Furthermore, the fixing parts are multiple and are positioned around the connecting parts, each fixing part comprises a clamping groove with a notch, and the notches of the clamping grooves are positioned on the outer side walls of the periphery of the connecting parts; the fixing part further comprises a first fixing piece, a second fixing piece and a third fixing piece which are arranged on the inner side wall of the clamping groove, wherein the second fixing piece is symmetrical to the notch of the clamping groove in position, and the first fixing piece is symmetrical to the third fixing piece in position.

Furthermore, first mounting, second mounting and third mounting are all including setting up on the inside wall in screens groove and the inside wall surface of relative screens inwards sunken spring groove, be located the spring groove and with the diapire of spring groove connected's spring to and the clamping piece with spring coupling.

Furthermore, the clamping piece is arc-shaped following the cylinder of the electrode.

Further, the arc length of the clamping piece in the second fixing piece is 1/9-1/12 of the cylinder circumference of the electrode, and the clamping piece in the second fixing piece is positioned between the clamping piece in the first fixing piece and the clamping piece in the third fixing piece and moves towards the notch of the clamping groove.

Further, the first support arm is articulated with the second support arm.

The utility model discloses following beneficial effect has:

1. in the utility model, the first support arm and the second support arm are fixed by the telescopic part, so that the second support arm is prevented from shaking, and the electrode is prevented from being separated from the electrode frame; secondly, the utility model discloses a set up the mounting including spring and clamping piece on the electrode holder, make the electrode stable fixation on the electrode holder, further avoid the electrode to slide from the electrode holder.

2. The utility model provides a telescopic part still does not influence the change of first support arm and second support arm contained angle between the two in certain within range when avoiding taking place to rock in the pH meter use, and the second support arm can carry out high adjustment on the planar direction in perpendicular to host computer place promptly, realizes that the electrode holder carries out high adjustment in the planar direction in perpendicular to host computer place, can avoid the influence that causes of telescopic part to the high application range of support.

3. The utility model provides a first mounting, second mounting and third mounting can form the extrusion to a certain extent to the electrode that lies in the screens groove to fix the electrode, avoid the landing of electrode. In addition, the curved clamping piece can be better laminated with the cylinder of electrode, further fixes the electrode.

4. The utility model discloses clamping piece among the second mounting does benefit to the electrode and takes out from the screens groove at the thrust of the breach of the effect formation one court's screens groove of spring to the electrode.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the electrode holder of the present invention;

FIG. 3 is an enlarged cross-sectional view of the portion A of FIG. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of a portion B of FIG. 2 according to the present invention;

the description of the reference numerals will be given,

100-a supporting base, 200-a bracket, 210-a first supporting arm, 220-a second supporting arm, 230-a telescopic part, 231-a first connecting rod, 232-a second connecting rod, 234-a telescopic groove, 235-a bolt, 236-a clamping groove, 300-an electrode frame, 310-a connecting part, 320-a fixing part, 321-a clamping groove, 322-a first fixing part, 323-a second fixing part, 324-a third fixing part, 3211-a spring groove, 3212-a spring, 3213-a clamping piece, 400-a host computer and 500-an electrode.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.

Examples

The present invention provides a pH meter support frame, which will be described in detail below.

In the utility model, the first supporting arm and the second supporting arm are fixed, so that the second supporting arm is prevented from shaking, and the electrode is further prevented from being separated from the electrode frame; secondly, the utility model discloses an electrode holder improves, does benefit to the stable fixing of electrode on the electrode holder.

The present invention will be explained in detail below with reference to the accompanying drawings.

As shown in fig. 1, the pH meter support frame of the embodiment of the present invention includes a support base 100, a support 200, and an electrode holder 300; wherein, the support base 100 is connected with the host computer 400, the support 200 is connected with the support base 100, and the electrode holder 300 is connected on the end of the support 200 far away from the support base 100.

As illustrated in fig. 1 and 3, the bracket 200 of the present invention includes a first support arm 210, a second support arm 220, and a telescopic portion 230. In this embodiment, one end of the first supporting arm 210 is connected to the supporting base 100, and the second supporting arm 220 is connected to the end of the first supporting arm 210 away from the supporting base 100; the expansion part 230 has one end connected to the arm of the first support arm 210 and the other end connected to the arm of the second support arm 220. In this embodiment, connect first support arm 210 and second support arm 220 through pars contractilis 230, can avoid the pH meter to take place to rock in the use, and the utility model provides a pars contractilis still does not influence the change of first support arm 210 and second support arm 220 contained angle between the two in certain within range, and second support arm 220 is highly adjusted in the planar direction of perpendicular to host computer 400 place promptly, realizes that electrode holder 300 carries out high adjustment in the planar direction of perpendicular to host computer 400 place, can avoid pars contractilis 230 to support 200 in the influence that causes of high application range.

In addition, according to the illustration of fig. 1, the first support arm 210 in the present embodiment is hinged to the second support arm 220. Of course, in practice, other modes of articulation are possible.

According to the schematic illustration of fig. 1 and 3, the telescopic portion 230 of the present invention comprises a first connecting rod 231 and a second connecting rod 232, wherein the first connecting rod 231 is connected to the arm of the first supporting arm 210, and the second connecting rod 232 is connected to the arm of the second supporting arm 220; in addition, the second connecting rod 232 in this embodiment is further provided with a telescopic slot 234 for the first connecting rod 231 to extend into, the telescopic slot 234 is located at the end of the second connecting rod 232 far from the second supporting arm 220 and is recessed along the axial direction of the second connecting rod 232, and the end of the first connecting rod 231 far from the first supporting arm 210 is inserted into the telescopic slot 234 and slides along the axial direction of the second connecting rod 232 in the actual use process; further, the position between the first connecting rod 231 and the second connecting rod 232 in the present embodiment is fixed by a bolt 235.

In order to fix the position between the first connection rod 231 and the second connection rod 232, as shown in fig. 1 and 3, a clamping groove 236 is provided on a sidewall of the first connection rod 231, wherein the clamping groove 236 is recessed relative to an outer sidewall of the first connection rod 231, a width of the clamping groove 236 is larger than a diameter of the bolt 235, and a screw hole (not shown in the drawings) matching the bolt 235 is provided on the second connection rod 232.

As shown in fig. 1 to 4, the fixing portion 320 in this embodiment is multiple and is located around the connecting portion 310, the fixing portion 320 includes a locking groove 321 with a notch, and the notch of the locking groove 321 is located on an outer side wall around the connecting portion 310; referring to fig. 1, there are 3 detent recesses 321 in the present embodiment. In addition, in order to avoid the electrode from falling off from the electrode holder due to the shaking of the support frame of the pH meter, the fixing part 320 further comprises a first fixing part 322, a second fixing part 323 and a third fixing part 324 which are arranged on the inner side wall of the clamping groove 321, wherein the second fixing part 323 is symmetrical to the notch of the clamping groove 321, and the first fixing part 322 and the third fixing part 324 are symmetrical; in the actual use process, the first fixing member 322, the second fixing member 323, and the third fixing member 324 disposed on the inner sidewall of the locking groove 321 can press the electrode 500 located in the locking groove 321 to a certain extent, so as to fix the electrode 500 and prevent the electrode 500 from sliding down.

In order to further avoid fixing the electrode 500 and facilitate taking the electrode 500 in the retaining groove 321, according to fig. 1-4, in the embodiment, each of the first fixing member 322, the second fixing member 323, and the third fixing member 324 includes a spring groove 3211 disposed on an inner sidewall of the retaining groove 321 and recessed inward relative to a surface of the inner sidewall of the retaining, a spring 3212 located in the spring groove 3211 and connected to a bottom wall of the spring groove 3211, and a clip 3213 connected to the spring 3212. In this embodiment, the fixing member composed of the spring groove 3211, the spring 3212 and the clip 3213 facilitates the electrode 500 to be taken out of the clipping groove 321, and the first fixing member 322, the second fixing member 323 and the third fixing member 324 can better fix the electrode 500.

In addition, the clip 3213 in this embodiment is an arc shape following the cylinder of the electrode 500. The curved clamping piece can be laminated with the cylinder of electrode 500 in this embodiment, realizes the better fixed to electrode 500, avoids electrode 500 from landing in screens groove 321.

To further facilitate the removal of the electrode 500 from the retaining slot 321, the jaws of the second fastener 323 are 1/9-1/12 of the circumference of the cylinder in the electrode 500, as shown in FIG. 4, and are positioned between the jaws of the first and

third fasteners

322, 324 and move toward the opening of the retaining slot 321. In this embodiment, when the electrode 500 is taken out of the locking groove 321, the clip of the second fixing element 323 forms a pushing force on the electrode 500 toward the notch of the locking groove 321 under the action of the spring 3212, so as to better take the electrode 500 out of the locking groove 321.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A pH meter support frame, comprising:

a support base (100), the support base (100) being connected with a host (400);

the support (200) comprises a first support arm (210) connected with a support base (100), a second support arm (220) connected with the end part of the first support arm (210) far away from the support base (100), and a telescopic part (230) with one end connected with the arm part of the first support arm (210) and the other end connected with the arm part of the second support arm (220);

the electrode frame (300) comprises a connecting part (310) and a fixing part (320) for fixing the electrode (500), wherein the connecting part (310) is connected with the end part, far away from the first supporting arm (210), of the second supporting arm (220).

2. The pH meter support frame according to claim 1, wherein the telescopic portion (230) comprises a first connecting rod (231) and a second connecting rod (232) connected to the arm portion of the first supporting arm (210) and the arm portion of the second supporting arm (220), respectively, and a telescopic slot (234) recessed along an axial direction of the second connecting rod (232) is provided on an end portion of the second connecting rod (232) far away from the second supporting arm (220), wherein an end portion of the first connecting rod (231) far away from the first supporting arm (210) is inserted into the telescopic slot (234) and slides axially along the second connecting rod (232), and the first connecting rod (231) and the second connecting rod (232) are fixed by a bolt (235).

3. The pH meter support frame according to claim 2, wherein a slot (236) recessed relative to the outer side wall of the first connecting rod (231) is provided on the side wall of the first connecting rod (231), the width of the slot (236) is larger than the diameter of the bolt (235), and a screw hole matching with the bolt (235) is provided on the second connecting rod (232).

4. The pH meter support frame according to claim 1, wherein the fixing portion (320) is multiple and located around the connecting portion (310), the fixing portion (320) comprises a retaining groove (321) with a notch, and the notch of the retaining groove (321) is located on the outer side wall around the connecting portion (310);

the fixing part (320) further comprises a first fixing part (322), a second fixing part (323) and a third fixing part (324) which are arranged on the inner side wall of the clamping groove (321), wherein the second fixing part (323) is symmetrical to the notch of the clamping groove (321), and the first fixing part (322) is symmetrical to the third fixing part (324).

5. The pH meter support bracket of claim 4, wherein the first, second and third fixing pieces (322, 323, 324) each comprise a spring groove (3211) disposed on an inner sidewall of the clip groove (321) and recessed inwardly relative to an inner sidewall surface of the clip, a spring (3212) located in the spring groove (3211) and connected to a bottom wall of the spring groove (3211), and a clip (3213) connected to the spring (3212).

6. The pH meter support frame of claim 5, wherein the clip (3213) is arcuate to follow the cylinder of the electrode (500).

7. The pH meter support according to claim 5, wherein the clip of the second fixing member (323) has an arc length 1/9-1/12 of the circumference of the cylinder of the electrode (500), and the clip of the second fixing member (323) is located between the clip of the first fixing member (322) and the clip of the third fixing member (324) and moves toward the notch of the retaining groove (321).

8. The pH meter support stand of claim 1, wherein the first support arm (210) is hingedly connected to the second support arm (220).