CN217033811U

CN217033811U - PH detection device

Info

Publication number: CN217033811U
Application number: CN202123201319.5U
Authority: CN
Inventors: 朱报开; 林雄生; 漆青松
Original assignee: Guangdong Kechuang Zhishui Technology Co ltd
Current assignee: Guangdong Kechuang Zhishui Technology Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-07-22
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a pH detection device, which comprises a detection rod and a pH detector, wherein one end of the detection rod is provided with the pH detector, one end of an extension rod is provided with a detection contact, one end of the extension rod is provided with a threaded rotary groove, a limiting sliding groove is arranged on the surface of the extension rod, a limiting sliding strip is fixedly arranged on the inner wall of a tube cavity, one end of a screwing column head is fixedly provided with a connecting rod, the connecting rod penetrates through a tube shell and is fixedly connected with a limiting disc, one side of the limiting disc is fixedly provided with a threaded rod, the threaded rod is connected with the threaded rotary groove, the limiting sliding strip is connected with the limiting sliding groove, the rotation freedom of the extension rod is limited, only the freedom in the vertical direction is provided, the threaded rod drives the extension rod to move up and down along the limiting slide bar by rotating the twisting column head, and then be convenient for adjust the length that detects the contact and expose the outside lumen to the test tube of the different degree of depth of adaptation is convenient for detect the solution of inside.

Description

PH detection device

Technical Field

The utility model relates to the technical field of pH detection, in particular to a pH detection device.

Background

The PH detection is the pH value of the detection solution and article, the PH detector is the important tool for measuring and reacting the pH value of the solution, the types and products of the PH meters are various, the display mode also has two options of pointer display and digital display, but no matter how the type of the PH meter changes, the working principle is the same, and the main body is a precise potentiometer.

PH detection device is essential instrument and equipment in the chemical experiment, but the detection contact of current PH detector is not convenient for detect the solution of test tube bottom, and detects the contact if not protect properly when idle, and the surface is infected with debris easily.

To the above problems, the prior device is improved, and a pH detection device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pH detection device which is used for working, so that the problems that a detection contact in the background is inconvenient to detect the solution at the bottom of a test tube and the surface is easy to be stained with impurities when the device is idle are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pH detection device, includes measuring pole and PH detector, the one end of measuring pole is provided with the PH detector, the measuring pole includes outer pole pipe and dirt proof boot, and the one end of outer pole pipe is provided with the dirt proof boot, the PH detector includes display screen, button and connecting wire, and the surface of PH detector is provided with the display screen, and the button is installed to one side of display screen, and the one end of PH detector is provided with the connecting wire, and the one end and the measuring pole of connecting wire are connected.

Further, the outer rod pipe comprises a pipe shell, a limiting end, a threaded end, a telescopic assembly and a detection assembly, wherein the limiting end is fixedly mounted at one end of the pipe shell, the threaded end is arranged on one side of the limiting end, the telescopic assembly is arranged at one end of the pipe shell, and one end of the detection assembly penetrates through the limiting end and the internal connection between the threaded end and the pipe shell.

Furthermore, the dust cover includes the cover body and screw thread tooth, and the inboard of the cover body is provided with the screw thread tooth.

Further, the tube shell includes lumen and spacing draw runner, and the inside of tube shell is provided with the lumen, and spacing draw runner fixed mounting is on the inner wall of lumen.

Furthermore, the telescopic assembly comprises a twisting column head, a joint rod, a limiting disc and a threaded rod, the joint rod is fixedly mounted at one end of the twisting column head, the joint rod penetrates through the tube shell to be fixedly connected with the limiting disc, and the threaded rod is fixedly arranged on one side of the limiting disc.

Further, the detection component comprises an extension rod and a detection contact, and the detection contact is arranged at one end of the extension rod.

Further, the extension rod includes screw thread rotary groove and spacing spout, and the screw thread rotary groove has been seted up to the one end of extension rod, and the surface at the extension rod is seted up to spacing spout.

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

1. according to the pH detection device provided by the utility model, one end of an extension rod is provided with a detection contact, one end of the extension rod is provided with a threaded rotary groove, a limiting sliding groove is formed in the surface of the extension rod, a limiting sliding strip is fixedly arranged on the inner wall of a tube cavity, one end of a screwing column head is fixedly provided with a connecting rod, the connecting rod penetrates through a tube shell and is fixedly connected with a limiting disc, one side of the limiting disc is fixedly provided with a threaded rod, the threaded rod is connected with the threaded rotary groove, the limiting sliding strip is connected with the limiting sliding groove, the rotation freedom degree of the extension rod is limited, only the freedom degree in the vertical direction exists, the extension rod is driven by rotating the screwing column head to move up and down along the limiting sliding strip, the length of the detection contact exposed out of the tube cavity is further convenient to adjust, so that the detection contact can be adapted to test tubes with different depths, and the detection of internal solution is facilitated.

2. According to the pH detection device provided by the utility model, one end of the tube shell is fixedly provided with the limiting end, one side of the limiting end is provided with the threaded end, the inner side of the sleeve body is provided with the threaded teeth, the detection contact is restored to the original position after the detection is finished, and the dustproof sleeve covers the detection contact through the connection of the threaded teeth and the threaded end, so that the surface is prevented from being stained with impurities, and the sensitivity of the detection contact is prevented from being influenced.

3. According to the pH detection device provided by the utility model, one end of the twisting column head is fixedly provided with the connecting rod, the connecting rod penetrates through the tube shell and is fixedly connected with the limiting disc, one side of the limiting disc is fixedly provided with the threaded rod, the limiting disc is attached to the inner side of the tube shell, so that the twisting column head is attached to one end of the tube shell, the degree of freedom of the threaded rod in the vertical direction is limited, and only rotation can be carried out, so that the length of the detection contact can be conveniently adjusted, and the operation of a user is facilitated.

Drawings

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

FIG. 2 is a schematic view of a test rod according to the present invention;

FIG. 3 is a schematic view of the dust boot structure of the present invention;

FIG. 4 is a plan view of the internal structure of the outer pole of the present invention;

FIG. 5 is a schematic view of a detecting assembly according to the present invention.

In the figure: 1. a detection lever; 11. an outer stem tube; 111. a pipe shell; 1111. a lumen; 1112. a limiting slide bar; 112. a limiting end; 113. a threaded end; 114. a telescopic assembly; 1141. screwing the column head; 1142. a connecting rod; 1143. a limiting disc; 1144. a threaded rod; 115. a detection component; 1151. an extension rod; 11511. rotating a groove by using threads; 11512. a limiting chute; 1152. detecting a contact; 12. a dust-proof sleeve; 121. a sleeve body; 122. thread teeth; 2. a PH detector; 21. a display screen; 22. a button; 23. and connecting the wires.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Please refer to fig. 1, a pH detection device, including test rod 1 and pH detector 2, the one end of test rod 1 is provided with pH detector 2, the model of pH detector 2 is AZ8601, test rod 1 includes outer pole pipe 11 and dirt proof boot 12, the one end of outer pole pipe 11 is provided with dirt proof boot 12, pH detector 2 includes display screen 21, button 22 and connecting wire 23, the surface of pH detector 2 is provided with display screen 21, button 22 is installed to one side of display screen 21, the one end of pH detector 2 is provided with connecting wire 23, the one end and the test rod 1 of connecting wire 23 are connected.

Referring to fig. 2-4, the outer rod tube 11 includes a tube shell 111, a limit end 112, a threaded end 113, a telescopic assembly 114 and a detection assembly 115, the limit end 112 is fixedly mounted at one end of the tube shell 111, the threaded end 113 is disposed at one side of the limit end 112, the telescopic assembly 114 is disposed at one end of the tube shell 111, one end of the detection assembly 115 passes through the limit end 112 and the threaded end 113 to be connected with the inside of the tube shell 111, the dust-proof sleeve 12 includes a sleeve body 121 and threaded teeth 122, the threaded teeth 122 are disposed on the inner side of the sleeve body 121, after the detection is completed, the detection contact 1152 is restored to the original position, through being connected of thread tooth 122 and screw thread end 113, make dirt proof boot 12 cover detection contact 1152 and close, prevent that the surface from being infected with debris, influence detection contact 1152's sensitivity, tube shell 111 includes lumen 1111 and spacing draw runner 1112, and the inside of tube shell 111 is provided with lumen 1111, and spacing draw runner 1112 fixed mounting is on the inner wall of lumen 1111.

Referring to fig. 4-5, the telescopic assembly 114 includes a turning column head 1141, a connecting rod 1142, a limiting disc 1143 and a threaded rod 1144, the connecting rod 1142 is fixedly mounted at one end of the turning column head 1141, the connecting rod 1142 passes through the tube shell 111 and is fixedly connected to the limiting disc 1143, the threaded rod 1144 is fixedly disposed at one side of the limiting disc 1143, the limiting disc 1143 is attached to the inner side of the tube shell 111, so that the turning column head 1141 is attached to one end of the tube shell 111, and the degree of freedom of the threaded rod 1144 in the vertical direction is limited, and can only rotate, so as to adjust the length of the detecting contact 1152, and facilitate the operation of a user, the detecting assembly 115 includes an extension rod 1151 and a detecting contact 1152, the detecting contact 1152 is disposed at one end of the extension rod 1151, the extension rod 1151 includes a thread turning groove 11511 and a limiting sliding groove 11512, one end of the extension rod 1151 is provided with a thread turning groove 11511, and a limiting sliding groove 12 is opened on the surface of the extension rod 1151, threaded rod 1144 is connected with screw thread rotor groove 11511, and spacing draw runner 1112 is connected with spacing spout 11512, and then extension bar 1151's rotational degree of freedom is restricted, only vertical direction's degree of freedom, twist rotary column head 1141 through rotating, threaded rod 1144 drives extension bar 1151 and reciprocates along spacing draw runner 1112, and then be convenient for adjust detection contact 1152 and expose the outer length of lumen 1111, in order to adapt to the test tube of the different degree of depth, be convenient for detect inside solution.

In summary, the following steps: the utility model provides a pH detection device, one end of an extension rod 1151 is provided with a detection contact 1152, one end of the extension rod 1151 is provided with a thread rotating groove 11511, a limit sliding groove 11512 is arranged on the surface of the extension rod 1151, a limit sliding strip 1112 is fixedly arranged on the inner wall of a tube cavity 1111, one end of a screwing column head 1141 is fixedly provided with a connecting rod 1142, the connecting rod 1142 penetrates through a tube shell 111 to be fixedly connected with a limit disc 1143, one side of the limit disc 1143 is fixedly provided with a threaded rod 1144, the threaded rod 1144 is connected with the thread rotating groove 11511, the limit sliding strip 1112 is connected with the limit sliding groove 11512, further, the rotation freedom degree of the extension rod 1151 is limited, only the freedom degree in the vertical direction is realized, the extension rod 1151 is driven to move up and down along the limit sliding strip 1112 by rotating the screwing column head 1141, further, the length of the detection contact 1152 exposed out of the tube cavity 1111 is convenient to adjust, so as to adapt to different depths of test tubes and detect the solution inside, one end of the tube shell 111 is fixedly provided with a limit end 112, one side of the limit end 112 is provided with a thread end 113, the inner side of the sleeve body 121 is provided with thread teeth 122, after the detection is finished, the detection contact 1152 is restored to the original position, the dust-proof sleeve 12 covers the detection contact 1152 by connecting the thread teeth 122 with the thread end 113, so as to prevent impurities from contaminating the surface and influencing the sensitivity of the detection contact 1152, one end of the twisting column head 1141 is fixedly provided with a joint rod 1142, the joint rod 1142 penetrates through the pipe shell 111 and is fixedly connected with a spacing disc 1143, one side of the spacing disc 1143 is fixedly provided with a threaded rod 1144, the spacing disc 1143 is attached to the inner side of the pipe shell 111, the screw head 1141 is attached to one end of the tube housing 111, and the degree of freedom of the screw rod 1144 in the vertical direction is restricted so that it can only rotate, thereby facilitating the adjustment of the length of the sensing tip 1152 for convenient operation by a user.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pH detection device, includes measuring bar (1) and PH detector (2), the one end of measuring bar (1) is provided with PH detector (2), its characterized in that: the detection rod (1) comprises an outer rod pipe (11) and a dustproof sleeve (12), wherein the dustproof sleeve (12) is arranged at one end of the outer rod pipe (11);

PH detector (2) are including display screen (21), button (22) and connecting wire (23), and the surface of PH detector (2) is provided with display screen (21), and button (22) are installed to one side of display screen (21), and the one end of PH detector (2) is provided with connecting wire (23), and the one end and the test bar (1) of connecting wire (23) are connected.

2. The pH detection device according to claim 1, wherein: outer pole pipe (11) include tube (111), spacing end (112), screw thread end (113), flexible subassembly (114) and determine module (115), and the one end fixed mounting of tube (111) has spacing end (112), and one side of spacing end (112) is provided with screw thread end (113), and flexible subassembly (114) set up the one end in tube (111), and the internal connection of spacing end (112) and screw thread end (113) and tube (111) is passed to the one end of determine module (115).

3. The pH detecting device according to claim 1, wherein: the dustproof sleeve (12) comprises a sleeve body (121) and a thread tooth (122), and the thread tooth (122) is arranged on the inner side of the sleeve body (121).

4. The pH detecting apparatus according to claim 2, wherein: tube shell (111) include lumen (1111) and spacing draw runner (1112), and the inside of tube shell (111) is provided with lumen (1111), and spacing draw runner (1112) fixed mounting is on the inner wall of lumen (1111).

5. The pH detection device according to claim 2, wherein: the telescopic assembly (114) comprises a twisting column head (1141), a connecting rod (1142), a limiting disc (1143) and a threaded rod (1144), wherein the connecting rod (1142) is fixedly mounted at one end of the twisting column head (1141), the connecting rod (1142) penetrates through a pipe shell (111) and the limiting disc (1143) and is fixedly connected with the limiting disc, and the threaded rod (1144) is fixedly arranged on one side of the limiting disc (1143).

6. The pH detecting apparatus according to claim 2, wherein: the detection component (115) comprises an extension rod (1151) and a detection contact (1152), wherein the detection contact (1152) is arranged at one end of the extension rod (1151).

7. The pH detecting device according to claim 6, wherein: extension rod (1151) include screw thread turn trough (11511) and spacing spout (11512), and screw thread turn trough (11511) have been seted up to the one end of extension rod (1151), and the surface at extension rod (1151) is seted up in spacing spout (11512).