Anti-seepage structure of reference electrode
The combined design of protective sleeve, protective barrel, airbag and clamping mechanism solves the problems of complicated reference electrode wire connection and leakage, and realizes quick replacement and stable electrolyte sealing.
Patent Information
- Application Number
- CN202423246603.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The existing reference electrode has cumbersome wire connections, and frequent plugging and unplugging can easily lead to electrolyte leakage, affecting the sealing performance.
The design incorporates a combination of a protective sleeve, a protective barrel, an airbag, an inflation mechanism, and a clamping mechanism. The limiting and clamping mechanisms enable quick wire replacement, while the inflation mechanism fills the gaps in the airbag to reduce electrolyte leakage.
This allows for quick wire replacement while reducing electrolyte leakage and improving connection stability and sealing.
Smart Images

Figure CN223692315U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of reference electrode technology, and in particular to a liquid-proof structure for a reference electrode. Background Technology
[0002] A reference electrode is an electrode that plays a crucial role in electrochemical measurements and research. It provides a stable potential benchmark, allowing the potentials of other electrodes to be measured relative to it. Common reference electrodes include calomel electrodes, silver electrodes, and silver chloride electrodes. They are widely used in various electrochemical experiments, corrosion monitoring in industrial production, and potential measurement in biomedicine, and are one of the key components for accurately obtaining electrode potential information in electrochemical systems.
[0003] In the laboratory, various electrochemical experiments or measurements are often required, which necessitates the use of different reference electrodes or different settings for the reference electrodes. This leads to frequent replacement of different reference electrodes and connection to the measuring instruments via wires. Existing wire connections are rather cumbersome, and frequent plugging and unplugging of wires may affect the seal between the electrode shell and the wire connection, resulting in electrolyte leakage.
[0004] In view of this, this application proposes a liquid-proof structure for a reference electrode. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a liquid-proof structure for a reference electrode.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A liquid-proof structure for a reference electrode includes a protective sleeve, an electrode body installed inside the protective sleeve, a protective barrel slidably connected to the outer side of the protective sleeve, a fixing plate fixedly installed on the outer side of the protective sleeve, a limiting mechanism on the fixing plate, and the limiting mechanism restricts the sliding of the protective barrel; a connecting seat fixedly installed on the top surface of the protective sleeve, an air bladder installed inside the connecting seat, multiple air injection mechanisms symmetrically installed inside the protective barrel, each air injection mechanism being connected to an air bladder, a wire inserted into the top surface of the protective sleeve and connected to the electrode body, and a clamping mechanism between the top surface of the protective barrel and the electrode body, the clamping mechanism restricting the movement of the wire.
[0008] Preferably, each of the gas injection mechanisms includes a gas injection box, and each gas injection box is fixedly installed on the inner wall of the protective barrel, and each gas injection box is connected to the airbag.
[0009] Preferably, the outer side of the electrode body is symmetrically provided with a plurality of insertion rods, the top end of each insertion rod is fixedly provided with a piston, and each piston is slidingly connected in a corresponding injection tank.
[0010] Preferably, the clamping mechanism comprises a plurality of lower assembly seats, and the plurality of lower assembly seats are symmetrically fixedly provided on the outer side of the electrode body; the top wall of the protective barrel is symmetrically provided with a plurality of upper assembly seats; a plurality of clamping plates are symmetrically and elastically slidingly connected in the protective barrel; each upper assembly seat and lower assembly seat is rotatably connected with an adapter plate on the outer side thereof; and the other end of each adapter plate is rotatably connected with a corresponding clamping plate.
[0011] Preferably, the limiting mechanism comprises a fixed seat, and the fixed seat is fixedly provided on the top surface of the fixed plate; the outer side of the fixed seat is slidingly connected with a limiting rod; one end of the limiting rod is fixedly provided with a baffle; a limiting spring is jointly provided between the side surface of the baffle and the side surface of the fixed seat; and the bottom surface of the protective barrel is fixedly provided with a limiting sleeve, and the limiting rod and the limiting sleeve are in penetrating connection.
[0012] Preferably, one end of each clamping plate is jointly provided with a reset spring between the side wall of the protective barrel.
[0013] Preferably, the outer side of each injection tank is fixedly and communicatively provided with a communication pipe, the other end of each communication pipe penetrates through a communication seat and is connected with an air bag, and each communication pipe is a telescopic hose.
[0014] Preferably, the top surface of the fixed plate is symmetrically provided with a plurality of spring telescopic rods, and the top end of each spring telescopic rod is fixedly connected with the bottom surface of the protective barrel.
[0015] The utility model has the following beneficial effects:
[0016] 1. The utility model discloses a protective sleeve, an injection mechanism, a limiting mechanism, a protective barrel and other devices, which can quickly limit and release the protective barrel, and facilitate the quick replacement of the wire.
[0017] 2. The utility model discloses a clamping mechanism, which can automatically clamp and fix the wire during the sliding process of the protective barrel, avoiding the instability of the connection between the wire and the electrode body caused by the shaking of the wire. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 The utility model provides a kind of structure schematic view of the anti-permeable liquid structure of reference electrode;
[0019] Fig. 2 A limiting mechanism structure diagram of the anti-liquid-permeation structure of the reference electrode is provided in the utility model.
[0020] Fig. 3 An air injection mechanism structure diagram of the anti-liquid-permeation structure of the reference electrode is provided in the utility model.
[0021] In the figure: 1, protective sleeve; 2, electrode main body; 3, protective barrel; 4, fixed plate; 5, spring telescopic rod; 6, wire; 7, limiting sleeve; 8, fixed seat; 9, limiting rod; 10, baffle; 11, limiting spring; 12, plug rod; 13, air injection tank; 14, piston; 15, communication pipe; 16, communication seat; 17, air bag; 18, lower assembly seat; 19, upper assembly seat; 20, clamping plate; 21, connecting plate; 22, reset spring. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0023] The utility model provides technical schemes: Figs. 1-3 As shown in the figure, an anti-liquid-permeation structure of a reference electrode comprises a protective sleeve 1, an electrode main body 2 is installed in the protective sleeve 1, a protective barrel 3 is slidably connected to the outside of the protective sleeve 1, a fixed plate 4 is fixedly installed on the outside of the protective sleeve 1, a limiting mechanism is arranged on the fixed plate 4, the fixed plate 4 limits the sliding of the protective barrel 3 through the limiting mechanism, a communication seat 16 is fixedly installed on the top surface of the protective sleeve 1, an air bag 17 is installed on the inner side of the communication seat 16, a plurality of air injection mechanisms are symmetrically installed on the inner side of the protective barrel 3, each air injection mechanism is connected to the air bag 17, a wire 6 is inserted on the top surface of the protective sleeve 1, the wire 6 is connected to the electrode main body 2, a clamping mechanism is arranged between the protective barrel 3 and the top surface of the electrode main body 2, the clamping mechanism limits the movement of the wire 6, the movement of the wire 6 is limited through the clamping mechanism, thereby reducing the instability of the connection between the wire 6 and the electrode main body 2 caused by the shaking of the wire 6 in the external environment, and through the air injection mechanism and the air bag 17, the air bag 17 can be inflated to fill the gap between the wire 6 and the communication seat 16, thereby avoiding the leakage of electrolyte from the connection.
[0024] Further, each air injection mechanism comprises an air injection tank 13, each air injection tank 13 is fixedly installed on the inner wall of the protective barrel 3, each air injection tank 13 is connected to the air bag 17, a plurality of plug rods 12 are symmetrically installed on the outer side of the electrode main body 2, a piston 14 is fixedly installed on the top end of each plug rod 12, each piston 14 is slidably connected in the corresponding air injection tank 13, the air in the air injection tank 13 is pushed into the air bag 17 through the sliding of the piston 14 in the air injection tank 13.
[0025] Further, the clamping mechanism comprises a plurality of lower assembling bases 18, which are symmetrically and fixedly installed on the outer side of the electrode main body 2, a plurality of upper assembling bases 19 are symmetrically installed on the top wall of the protective barrel 3, a plurality of clamping plates 20 are symmetrically and elastically slidably connected in the protective barrel 3, each upper assembling base 19 is rotatably connected with an adapter plate 21 on the outer side of the lower assembling base 18, and the other end of each adapter plate 21 is rotatably connected with the side of the corresponding clamping plate 20, and it should be noted that the other end of the clamping plate 20 is arc-shaped, and the arc-shaped surface matches the outer arc of the wire 6.
[0026] Further, the limiting mechanism comprises a fixed seat 8, which is fixedly installed on the top surface of the fixed plate 4, a limiting rod 9 is slidably connected with the outer side of the fixed seat 8, a baffle 10 is fixedly installed at one end of the limiting rod 9, a limiting spring 11 is jointly installed between the side of the baffle 10 and the side of the fixed seat 8, a limiting sleeve 7 is fixedly installed on the bottom surface of the protective barrel 3, and the limiting rod 9 is connected with the limiting sleeve 7 in a penetrating manner, and the limiting rod 9 can be firmly clamped in the limiting sleeve 7 through the limiting spring 11, so that the reset of the protective barrel 3 is avoided.
[0027] Further, a reset spring 22 is jointly installed between one end of each clamping plate 20 and the side wall of the protective barrel 3, and the reset of the clamping plate 20 is facilitated through the reset spring 22.
[0028] Further, each gas injection tank 13 is fixedly and communicatively connected with a communication pipe 15, the other end of each communication pipe 15 penetrates through a communication seat 16 and is connected with an air bag 17, and each communication pipe 15 is a telescopic hose.
[0029] Further, a plurality of spring telescopic rods 5 are symmetrically installed on the top surface of the fixed plate 4, and the top end of each spring telescopic rod 5 is fixedly connected with the bottom surface of the protective barrel 3.
[0030] The utility model provides a kind of anti-liquid structure of reference electrode, specific working principle is as follows: when experimental personnel inserts and pulls wire 6, limiting rod 9 can be pulled out outward, and then limiting rod 9 is separated from limiting sleeve 7, so that the limiting of protective barrel 3 is released, protective barrel 3 is slid upward under the action of a plurality of spring telescopic rods 5, then experimental personnel inserts wire 6 into protective sleeve 1 and connects with electrode main body 2, then press protective barrel 3 downward, and limiting rod 9 is clamped in limiting sleeve 7 again to limit protective barrel 3, while under the action of limiting spring 11, the risk of separation of limiting rod 9 and limiting sleeve 7 can be reduced.
[0031] Meanwhile, in the process of the protection barrel 3 sliding downward, the pistons 14 are driven to slide in the gas injection boxes 13 by the plurality of insertion rods 12, so that the air in the gas injection boxes 13 is pushed out and enters the air bags 17 through the communication pipes 15, so that the air bags 17 are inflated, and then the electrolyte leakage at the connection is reduced.
[0032] Meanwhile, in the process of the protection barrel 3 sliding downward, the pistons 14 are driven to slide in the gas injection boxes 13 by the plurality of insertion rods 12, so that the air in the gas injection boxes 13 is pushed out and enters the air bags 17 through the communication pipes 15, so that the air bags 17 are inflated, and then the electrolyte leakage at the connection is reduced.
[0033] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A liquid-proof structure for a reference electrode, characterized in that: The device includes a protective sleeve (1), an electrode body (2) installed inside the protective sleeve (1), a protective barrel (3) slidably connected to the outside of the protective sleeve (1), a fixing plate (4) fixedly installed on the outside of the protective sleeve (1), a limiting mechanism provided on the fixing plate (4), and the fixing plate (4) restricts the sliding of the protective barrel (3) through the limiting mechanism. A connecting seat (16) is fixedly installed on the top surface of the protective sleeve (1), an airbag (17) is installed on the inside of the connecting seat (16), a plurality of air injection mechanisms are symmetrically installed on the inside of the protective barrel (3), and each air injection mechanism is connected to the airbag (17). A wire (6) is inserted into the top surface of the protective sleeve (1), and the wire (6) is connected to the electrode body (2). A clamping mechanism is provided between the top surface of the protective barrel (3) and the electrode body (2), and the clamping mechanism restricts the movement of the wire (6).
2. The anti-seepage structure of a reference electrode according to claim 1, characterized in that: Each of the aforementioned air injection mechanisms includes an air injection box (13), and each air injection box (13) is fixedly installed on the inner wall of the protective barrel (3), and each air injection box (13) is connected to the airbag (17).
3. The anti-seepage structure of a reference electrode according to claim 2, characterized in that: Multiple insert rods (12) are symmetrically installed on the outer side of the electrode body (2). A piston (14) is fixedly installed at the top of each insert rod (12), and each piston (14) is slidably connected in the corresponding gas injection box (13).
4. The anti-seepage structure of a reference electrode according to claim 3, characterized in that: The clamping mechanism includes multiple lower mounting seats (18), and the multiple lower mounting seats (18) are symmetrically fixedly installed on the outside of the electrode body (2). Multiple upper mounting seats (19) are symmetrically installed on the top wall of the protective barrel (3). Multiple clamping plates (20) are symmetrically elastically slidably connected inside the protective barrel (3). Each upper mounting seat (19) and the outer side of the lower mounting seat (18) are rotatably connected to a connecting plate (21), and the other end of each connecting plate (21) is rotatably connected to the side of the clamping plate (20) corresponding to the position.
5. The anti-seepage structure of a reference electrode according to claim 4, characterized in that: The limiting mechanism includes a fixed seat (8), which is fixedly installed on the top surface of the fixed plate (4). A limiting rod (9) is slidably connected to the outside of the fixed seat (8). A baffle (10) is fixedly installed at one end of the limiting rod (9). A limiting spring (11) is installed between the side of the baffle (10) and the side of the fixed seat (8). A limiting sleeve (7) is fixedly installed on the bottom surface of the protective barrel (3), and the limiting rod (9) and the limiting sleeve (7) are connected through each other.
6. The anti-seepage structure of a reference electrode according to claim 5, characterized in that: Each of the clamps (20) has a return spring (22) installed at one end between it and the side wall of the protective barrel (3).
7. The impermeable structure of a reference electrode according to claim 6, characterized in that: Each of the air-filled boxes (13) is fixed to and connected to a connecting pipe (15) on the outside, and the other end of each connecting pipe (15) passes through a connecting seat (16) and is connected to an airbag (17). Each of the connecting pipes (15) is a retractable hose.
8. The anti-seepage structure of a reference electrode according to claim 7, characterized in that: The top surface of the fixed plate (4) is symmetrically equipped with multiple spring telescopic rods (5), and the top of each spring telescopic rod (5) is fixedly connected to the bottom surface of the protective barrel (3).