Mechanical seal balance tank with warning function
By introducing an audible and visual alarm and a float detection system into the mechanical seal balance tank, the liquid level is automatically detected and an alert is issued, solving the problem of untimely media replenishment caused by untimely manual inspections and ensuring the stable operation of the mechanical seal.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-19
- Publication Date
- 2026-03-27
AI Technical Summary
Existing mechanical seal balance tanks are prone to delays in replenishing the sealing medium due to untimely manual inspections, which affects the normal operation of the mechanical seal.
A mechanically sealed balance tank with an audible and visual alarm was designed. Through the cooperation of a float and a detection cylinder, the liquid level is automatically detected and the audible and visual alarm is activated when it is lower than the standard value, reminding the staff to replenish the sealing medium in time.
It automatically reminds you to replenish the sealing medium, avoiding the problem of untimely medium replenishment caused by untimely manual inspection, and ensuring the stable operation of the mechanical seal.
Smart Images

Figure CN224049686U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical seal technical field, concretely is a kind of mechanical seal balance tank with warning function. BACKGROUND
[0002] Mechanical seal balance tank is a kind of auxiliary equipment for mechanical seal system, mainly used to maintain the stability of pressure in sealing system, ensure that mechanical seal reliably operates under normal working condition, it compensates the pressure fluctuation of sealing medium by the pressure regulation in balance tank, prevents sealing medium leakage or foreign matter from outside into sealing cavity, thereby prolongs the service life of mechanical seal.
[0003] The internal sealing medium of existing mechanical seal balance tank is consumed to different degrees in long-term use, so sealing medium needs to be replenished, however, when replenishing sealing medium, currently only rely on regular inspection of staff, whether sealing medium needs to be replenished is judged by observing liquid level gauge on mechanical seal balance tank, it is easy to cause that sealing medium is not replenished in time, and then impact mechanical seal. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of mechanical seal balance tank with warning function to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of mechanical seal balance tank with warning function, including balance tank body, tank cover being fixed in the top of balance tank body, fixed frame being installed in the back of balance tank body, and liquid level gauge being set on balance tank body, detection cylinder is equipped on the tank cover, the top of the detection cylinder extends to the outside of tank cover by passing through the tank cover, the top of the detection cylinder is equipped with support, sound-light alarm is installed on the support, the bottom of the detection cylinder extends to the inside of balance tank body, and the bottom of the detection cylinder is equipped with opening, float is slidably installed in the inside of the detection cylinder, the top of the float is connected with slide bar, the top of the slide bar is integrally formed with pressure rod, the inner wall of the detection cylinder is fixedly connected with support plate, tactile switch is installed on the support plate, and the tactile switch is electrically connected with sound-light alarm.
[0006] As a preferred scheme of the utility model, the middle part of the support plate is equipped with through hole for the slide bar to pass through, and sealing ring is installed at the through hole.
[0007] As a preferred scheme of the utility model, the top of the inner wall of the detection cylinder is fixedly connected with square rod, and square slot corresponding to the square rod is formed in the top of the slide bar.
[0008] As one preferred scheme of the utility model, a wire hole is formed on one side of the top of the detection cylinder, and a cable sealing piece is installed at the wire hole.
[0009] Compared with the prior art, the utility model has the beneficial effects that: the float, the detection cylinder, the microswitch and the audible and light alarm are arranged, so that when the liquid level of the sealing medium is lower than the standard value, the microswitch starts the audible and light alarm, the audible and light alarm sends sound and light signals for double warning, reminding the staff to supplement the sealing medium in time, avoiding the effect of the mechanical seal being affected by the sealing medium not being supplemented in time. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0011] Figure 2 It is a sectional view of the utility model;
[0012] Figure 3 It is the utility model Figure 2 It is an enlarged view of A in the utility model;
[0013] Figure 4 It is an enlarged view of B in the utility model; Figure 2
[0014] Figure 5 It is a three-dimensional sectional view of the utility model;
[0015] Figure 6 It is a structure schematic view of the slide rod, the float and the pressure rod of the utility model.
[0016] In the drawing: 1, balance tank body; 2, tank cover; 3, fixed frame; 4, liquid level meter; 5, detection cylinder; 6, audible and light alarm; 7, support; 8, slide rod; 9, float; 10, square groove; 11, sealing ring; 12, support plate; 13, square rod; 14, microswitch; 15, pressure rod; 16, wire hole; 17, cable sealing piece; 18, opening; 19, through hole. DETAILED DESCRIPTION
[0017] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.
[0018] Please refer to Figures 1 to 6 The utility model provides a technical scheme: a mechanical seal balance tank with warning function, including balance tank body 1, the outside of balance tank body 1 is equipped with a plurality of pipelines for connecting with mechanical seal and so on equipment, the connection of pipeline on balance tank body 1 is prior art, so not in specific elaboration, the tank cover 2 of fixed in the top of balance tank body 1, the fixed frame 3 of installation in the back of balance tank body 1 and the liquid level gauge 4 of setting on balance tank body 1, staff can observe the liquid level height of sealing medium in balance tank body 1 through liquid level gauge 4, be equipped with detection cylinder 5 on tank cover 2, the top of detection cylinder 5 extends to the outside of tank cover 2 through tank cover 2, the top of detection cylinder 5 is equipped with support 7, and sound light alarm 6 is installed on support 7, the bottom of detection cylinder 5 extends to the inside of balance tank body 1, and the bottom of detection cylinder 5 is equipped with opening 18, and detection cylinder 5 communicates with balance tank body 1 through opening 18, and detection cylinder 5 can limit the action of float 9, makes float 9 more stable when moving, and float 9 is slidably installed in the inside of detection cylinder 5, and float 9 moves along with the liquid level height of sealing medium in the inside of balance tank body 1, when sealing medium in balance tank body 1 is gradually consumed, float 9 will gradually descend along with the liquid level height, and slide bar 8 will also descend along with it, when the liquid level height is lower than standard value, plunger 15 will contact and press microswitch 14, and microswitch 14 makes sound light alarm 6 open, and sound light alarm 6 issues sound and light signal double warning, reminds staff to supplement sealing medium in time, and the top of float 9 is connected with slide bar 8, and the top of slide bar 8 integrally forms plunger 15, and the inner wall of detection cylinder 5 is fixedly connected with support plate 12, and support plate 12 is used for providing the support effect for microswitch 14, and microswitch 14 is installed on support plate 12, and microswitch 14 is used for controlling sound light alarm 6, and microswitch 14 is normally open switch, when plunger 15 does not press microswitch 14, sound light alarm 6 is in the closed state, when plunger 15 presses microswitch 14, sound light alarm 6 is in the open state, and microswitch 14 and sound light alarm 6 are electrically connected.
[0019] Wherein, the middle part of support plate 12 is provided with through hole 19 for slide bar 8, and sealing ring 11 is installed at through hole 19, and sealing ring 11 is used for sealing between support plate 12 and slide bar 8, to prevent sealing medium in balance tank body 1 from contacting microswitch 14 through through hole 19, causing microswitch 14 to be damaged.
[0020] Wherein, the top of the inner wall of detection cylinder 5 is fixedly connected with square rod 13, the top of slide bar 8 is provided with square groove 10 corresponding to square rod 13, and square groove 10 is used for limiting slide bar 8 in cooperation with square rod 13, not only making slide bar 8 more stable when moving, but also avoiding slide bar 8 from rotating, to ensure that plunger 15 is always aligned with microswitch 14.
[0021] The side of the top of the detection cylinder 5 is provided with a wire outlet hole 16, the wire outlet hole 16 is used for connecting the cable of the micro switch 14 with the sound-light alarm 6, so that the micro switch 14 is electrically connected with the sound-light alarm 6, and the wire seal 17 is installed at the wire outlet hole 16, and the wire seal 17 is used for sealing the wire outlet hole 16, so that the leakage is avoided.
[0022] Specifically, when the sealing medium in the balance tank body 1 is gradually consumed, the liquid level of the sealing medium gradually decreases, the float 9 decreases along with the liquid level, and the sliding rod 8 also decreases, when the liquid level is lower than the standard value, the pressure rod 15 contacts and presses the micro switch 14, the micro switch 14 makes the sound-light alarm 6 be powered on, the sound-light alarm 6 sends a sound and light signal double warning effect, reminding the staff to supplement the sealing medium in time, avoiding that the sealing medium is not supplemented in time, and affecting the effect of the mechanical seal.
[0023] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a specific orientation, a specific orientation and operation, and therefore cannot be understood as limiting the utility model.
[0024] In addition, the terms "first", "second", "third", "fourth" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.
[0025] In the utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning of the above-mentioned terms in the utility model by the person skilled in the art.
[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A mechanical seal balance tank with warning function, comprising a balance tank body (1), a tank cover (2) fixed on the top of the balance tank body (1), a fixing frame (3) installed on the rear side of the balance tank body (1), and a liquid level gauge (4) arranged on the balance tank body (1), characterized in that: The detection cylinder (5) is arranged on the can cover (2), the top of the detection cylinder (5) extends to the outside of the can cover (2) through the can cover (2), the top of the detection cylinder (5) is provided with a support (7), the sound and light alarm (6) is installed on the support (7), the bottom of the detection cylinder (5) extends to the inside of the balance tank body (1), and the bottom of the detection cylinder (5) is provided with an opening (18), the inside of the detection cylinder (5) is slidably provided with a float (9), the top of the float (9) is connected with a sliding rod (8), the top of the sliding rod (8) is integrally formed with a pressing rod (15), the inner wall of the detection cylinder (5) is fixedly connected with a supporting plate (12), the supporting plate (12) is provided with a micro switch (14), and the micro switch (14) is electrically connected with the sound and light alarm (6).
2. The mechanical seal balance tank with warning function according to claim 1, characterized in that: The middle part of the supporting plate (12) is provided with a through hole (19) for the sliding rod (8) to pass through, and the sealing ring (11) is installed at the through hole (19).
3. The mechanical seal balance tank with warning function according to claim 1, characterized in that: The top of the inner wall of the detection cylinder (5) is fixedly connected with a square rod (13), and the top of the sliding rod (8) is provided with a square groove (10) corresponding to the square rod (13).
4. The mechanical seal balance tank with warning function according to claim 1, characterized in that: One side of the top of the detection cylinder (5) is provided with a wire outlet hole (16), and the wire outlet hole (16) is provided with a cable sealing element (17).