Connecting mechanism of liquid level meter

By using a worm gear drive system and a servo motor, the level gauge can be quickly installed and disassembled, solving the problem of difficult installation and disassembly of existing connection methods, adapting to non-contact measurement, and reducing the cost of equipment use.

CN223736798UActive Publication Date: 2025-12-30DAN RUI SENSOR (SUZHOU) CO LTD
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Patent Information

Application Number
CN202423082491.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-12-30
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The existing connection method of liquid level gauges is relatively troublesome to disassemble and install, especially when the threaded connection is worn or deformed. After long-term use, it may lead to difficulty in disassembly or even damage to the connection parts, making it difficult to meet the needs of frequent container replacement.

Method used

The system uses a worm gear to drive a worm wheel, which in turn drives a drive ring. The drive ring, through multiple sliding rods, moves the clamping plates closer to or further away, enabling rapid clamping and release of the container. Combined with a servo motor drive, this simplifies the installation and disassembly process.

Benefits of technology

It enables rapid installation and disassembly of the level gauge, reduces installation limitations, adapts to non-contact measurement, and lowers equipment procurement and maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a connecting mechanism of a liquid level meter, which belongs to the technical field of liquid level meter connection, comprises a connecting component, and is characterized in that a worm drives a worm gear to rotate, the worm gear drives a driving ring to rotate, and the driving ring passes through a plurality of mutual holes in the middle to drive the worm gear to rotate. According to the device, the servo motor is driven to drive the sliding rods slidably connected with the servo motor to get close to one another, so that the clamping pieces are driven to get close to one another and get away from one another, a container is clamped through the clamping pieces, the clamping process is simple and rapid, only the servo motor needs to be started, the effects of rapid mounting and dismounting are achieved, and the radar liquid level meter can be recycled conveniently; according to the radar liquid level meter, the problem that installation and disassembly are troublesome in the prior art is solved, the radar liquid level meter adopts a non-contact measurement mode, the liquid level height is determined by transmitting and receiving radar waves, direct contact with a measured medium is not needed, and therefore influences of physical and chemical properties such as corrosivity and viscosity of the medium on the liquid level meter do not need to be considered in the installation process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to liquid level meter connection technical field more specifically, relate to a kind of connecting mechanism of liquid level meter. BACKGROUND

[0002] The connecting mechanism of liquid level meter is used for the reliable connection of the component combination of liquid level meter and the measured container, and its main role is to ensure that the liquid level meter can accurately measure the liquid level in the container. As an industrial measuring device, purchasing a new liquid level meter requires a certain amount of capital investment. By recycling the liquid level meter, frequent purchase of new equipment can be avoided, thereby significantly reducing equipment procurement costs. For example, for a small chemical enterprise, liquid level meters need to be installed on multiple similar containers. If a new liquid level meter is purchased for each container, high costs will be incurred. Recycling a liquid level meter for these containers only requires the purchase of one liquid level meter to meet basic measurement needs, saving a significant amount of money.

[0003] However, the existing liquid level meter, when connecting the liquid level meter and the container, whether using flange connection or threaded connection, the flange connection is relatively firm, but special tools such as wrenches and bolt stretchers are required for disassembly and installation. The threaded connection requires precise alignment of the threads and rotation of the connecting parts on the liquid level meter or the container to ensure complete thread engagement. This process may require repeated attempts, especially in cases where the threads are worn or deformed, making installation more difficult. In addition, threaded connections may become stuck after prolonged use, making disassembly difficult and potentially damaging the connecting parts of the liquid level meter or the container. Therefore, these two installation modes are not suitable for frequent container replacement.

[0004] Therefore, a connecting mechanism for a liquid level meter is proposed to address the above problems. SUMMARY

[0005] To overcome the shortcomings of the prior art, the purpose of the utility model is to provide a connecting mechanism for a liquid level meter. The worm drives the worm gear to rotate, the worm gear drives the drive ring to rotate, the drive ring passes through the middle multiple interstices, drives the multiple sliding rods connected thereto to move closer to each other, thereby driving the multiple clamping pieces to move closer to and away from each other. The multiple clamping pieces clamp the container, and the clamping process is simple and fast.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions:

[0007] A connecting mechanism for a liquid level meter includes a connecting assembly, and the upper end of the connecting assembly is provided with a radar liquid level meter.

[0008] The connecting assembly comprises a main body shell, a servo motor fixedly connected inside the main body shell, a worm fixedly connected to an output end of the servo motor, a fixed ring fixedly connected inside the main body shell, a rotating ring rotatably connected to a middle portion of the fixed ring and located inside the main body shell, a worm wheel fixedly connected to an upper end of the rotating ring and meshedly connected with the worm, and a driving ring fixedly connected to a lower end of the rotating ring.

[0009] Further, a limiting ring is arranged inside the main body shell and located at the lower end of the driving ring, a plurality of fixed rods are fixedly connected to a middle portion of the limiting ring, one end of each of the plurality of fixed rods is fixedly connected to an inner side wall of the main body shell, a plurality of sliding blocks are slidably connected to a lower end of the limiting ring, an upper end of each of the plurality of sliding blocks is fixedly connected to a sliding rod, the plurality of sliding rods are slidably connected to the middle portion of the driving ring, a clamping piece is fixedly connected to a lower end of each of the plurality of sliding blocks, and a rubber gasket is fixedly connected to the lower end of the limiting ring.

[0010] Further, a circular through hole is formed in the upper end of the main body shell and penetrates the output end of the radar liquid level meter.

[0011] Further, a plurality of arc-shaped sliding holes are formed in the middle portion of the driving ring and slidably connected to the sliding rods.

[0012] Further, a pair of sliding limiting strip-shaped limiting protrusions are fixedly connected to the middle portion of each of the plurality of sliding blocks.

[0013] Further, a plurality of rectangular-shaped sliding grooves are formed in the middle portion of the limiting ring and slidably connected to the sliding blocks, and a strip-shaped sliding groove is formed in the inside of each of the plurality of rectangular-shaped sliding grooves and slidably limits the strip-shaped limiting protrusion.

[0014] Further, a strip-shaped sliding hole is formed in the upper end of the limiting ring and slidably penetrates the sliding rod.

[0015] In summary, the utility model has the following beneficial effects:

[0016] (1) The utility model discloses a worm drives a worm wheel to rotate, the worm wheel drives a driving ring to rotate, the driving ring passes through a plurality of mutual holes in the middle portion and drives a plurality of sliding rods slidably connected thereto to be close to each other, thereby driving a plurality of clamping pieces to be close to each other and away from each other, the plurality of clamping pieces are used for clamping the container, and the clamping process is simple and fast, only needs to start the servo motor, plays the role of quick installation and disassembly, is convenient for the circulation of the radar liquid level meter, and solves the problem that the prior art is troublesome to install and disassemble.

[0017] (2) The radar liquid level meter in the scheme adopts a non-contact measurement mode, determines the liquid level height through transmitting and receiving radar waves, and does not need to be directly contacted with the measured medium, which makes it unnecessary to consider the influence of the physical and chemical properties such as corrosiveness and viscosity of the medium on the liquid level meter during installation, reduces the installation restriction conditions, and thus achieves the purpose of recycling, further reduces the cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure in the embodiment;

[0019] Figure 2 is a schematic diagram of the overall split structure in the embodiment;

[0020] Figure 3 is a schematic diagram of the cross-sectional structure of the main body shell in the embodiment;

[0021] Figure 4 is a schematic diagram of the split structure of the radar liquid level meter in the embodiment;

[0022] Figure 5 is a schematic diagram of the split structure of the fixed ring and the rotating ring in the embodiment;

[0023] Figure 6 is a schematic diagram of the split structure of the limiting ring and the rubber gasket in the embodiment.

[0024] In the figure, 1 is a connecting assembly, 2 is a radar liquid level meter, 101 is a main body shell, 102 is a servo motor, 103 is a worm, 104 is a fixed ring, 105 is a rotating ring, 106 is a worm wheel, 107 is a driving ring, 108 is a limiting ring, 109 is a fixed rod, 110 is a sliding block, 111 is a sliding rod, 112 is a clamping piece, and 113 is a rubber gasket. DETAILED DESCRIPTION

[0025] The utility model will be further described in detail below in combination with the drawings.

[0026] Wherein, same parts are indicated by same reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular part.

[0027] Referring to Figure 1 - Figure 6 As shown in the figure, the connecting mechanism of the liquid level meter in the preferred embodiment of the utility model comprises a connecting assembly 1, and the upper end of the connecting assembly 1 is provided with a radar liquid level meter 2.

[0028] The connecting assembly 1 comprises a main body shell 101, the inside of the main body shell 101 is fixedly connected with a servo motor 102, the output end of the servo motor 102 is fixedly connected with a worm 103, the inside of the main body shell 101 is fixedly connected with a fixed ring 104, the middle part of the fixed ring 104 and located in the inside of the main body shell 101 is rotatably connected with a rotating ring 105, the upper end of the rotating ring 105 is fixedly connected with a worm wheel 106, and the worm wheel 106 is meshed with the worm 103, the lower end of the rotating ring 105 is fixedly connected with a driving ring 107, the inside of the main body shell 101 is fixedly connected with a plurality of parts such as the servo motor 102 and the fixed ring 104, which provides a space for the installation and fixation of these parts, and guarantees the stability of the internal structure of the whole connecting mechanism; meanwhile, the circular through hole opened in the upper end can be used for the output end of the radar liquid level meter 2 to be installed in the inside of the main body shell 101, so as to realize the structural connection and cooperation of the radar liquid level meter and the connecting assembly.

[0029] Referring to Figure 1 - Figure 6 As shown in the figure, the inside of the main body shell 101 and located at the lower end of the driving ring 107 is provided with a limiting ring 108, the middle part of the limiting ring 108 is fixedly connected with a plurality of fixed rods 109, one end of each of the plurality of fixed rods 109 is fixedly connected with the inner side wall of the main body shell 101, the lower end of the limiting ring 108 is slidably connected with a plurality of sliding blocks 110, the upper end of each of the plurality of sliding blocks 110 is fixedly connected with a sliding rod 111, and each of the plurality of sliding rods 111 is slidably connected with the middle part of the driving ring 107, the lower end of each of the plurality of sliding blocks 110 is fixedly connected with a clamping piece 112, and the lower end of the limiting ring 108 is fixedly connected with a rubber pad 113.

[0030] The servo motor 102 is used as a power source, which can output power to drive the worm 103 fixedly connected therewith to rotate, thereby providing driving force for the movement of subsequent parts, so as to realize the movement function of the related components in the whole connecting mechanism, the worm 103 is fixedly connected with the output end of the servo motor 102, rotates under the driving of the servo motor, and is meshed with the worm wheel 106, so as to transmit the rotating power of the motor to the worm wheel 106, realize the conversion and transmission of power, change the transmission direction and speed and other transmission characteristics, the upper end of the worm wheel 106 is fixedly connected with the rotating ring 105, in the meshing state with the worm 103, the power transmitted by the worm is transmitted to the rotating ring 105 to drive the rotating ring 105 to rotate, thereby driving other components connected therewith to move, the lower end of the rotating ring 105 is fixedly connected with the driving ring 107, when the rotating ring 105 rotates under the driving of the worm wheel 106, the driving ring 107 can be synchronously driven to rotate, thereby playing a role of intermediate connection of power transmission and movement.

[0031] Referring to Figure 1 - Figure 3As shown, the upper end of the main body shell 101 is provided with a circular through hole through which the output end of the radar liquid level meter 2 penetrates;

[0032] The output end of the radar liquid level meter 2 can be installed inside the main body shell 101 through the circular through hole.

[0033] Referring to Figure 5 As shown, the middle part of the driving ring 107 is provided with a plurality of arc-shaped sliding holes for sliding connection with the sliding rods 111.

[0034] The sliding rods 111 are slidingly connected in the arc-shaped sliding holes, and the arc-shaped sliding holes can drive the plurality of sliding rods 111 to displace when the driving ring 107 rotates.

[0035] Referring to Figure 6 As shown, the middle part of each of the plurality of sliding blocks 110 is fixedly connected with a pair of strip-shaped limiting protrusions for limiting sliding.

[0036] The lower end of the sliding block 110 is fixedly connected with the clamping piece 112, the middle part is provided with the strip-shaped limiting protrusion, and the upper end is connected with the driving ring 107 through the sliding rod 111. When the driving ring 107 rotates, the sliding block 110 can slide along the lower end of the limiting ring 108 under the driving of the sliding rod 111, thereby driving the clamping piece 112 to displace correspondingly, and realizing clamping and other operations on related components.

[0037] Referring to Figure 6 As shown, the middle part of the limiting ring 108 is provided with a plurality of rectangular sliding grooves for sliding connection with the sliding blocks 110, and the inside of the sliding grooves is provided with a strip-shaped sliding groove for sliding limiting of the strip-shaped limiting protrusion.

[0038] The rectangular sliding grooves limit the sliding of the sliding blocks 110.

[0039] Referring to Figure 6 As shown, the upper end of the limiting ring 108 is provided with a strip-shaped sliding hole for sliding penetration of the sliding rod 111.

[0040] The strip-shaped sliding hole facilitates the sliding rod 111 to penetrate the middle part of the limiting ring 108 and be connected with the driving ring 107.

[0041] Specific implementation process: when the radar liquid level meter needs to be installed on the measured container, first start the servo motor 102 in the connecting assembly 1, the output end of the servo motor 102 is fixedly connected with the worm 103, the rotation of the servo motor 102 drives the worm 103 to rotate, the worm 103 and the worm gear 106 are in meshing connection, and the worm gear 106 is fixedly connected to the upper end of the rotating ring 105. The rotating ring 105 is rotatably connected to the main body shell 101 through the fixed ring 104 (the fixed ring 104 is fixed in the main body shell 101, and the rotating ring 105 is sleeved on the middle part of the fixed ring 104 and can rotate relative to the fixed ring 104), so the rotation of the worm 103 drives the worm gear 106 to rotate, and then drives the rotating ring 105 to rotate synchronously. The lower end of the rotating ring 105 is fixedly connected with the driving ring 107, so that the rotating ring 105 rotates to drive the driving ring 107 to rotate. The middle part of the driving ring 107 is provided with a plurality of arc sliding holes for sliding connection with the sliding rods 111. One end of the sliding rods 111 is slidingly connected with the driving ring 107, and the other end is fixedly connected with the upper end of the sliding block 110. When the driving ring 107 rotates, the sliding rods 111 are driven to move relatively close to or away from each other through the cooperation of the arc sliding holes and the sliding rods 111. The lower end of the sliding block 110 is fixedly connected with the clamping piece 112, so that the movement of the sliding rods 111 drives the plurality of sliding blocks 110 and the clamping pieces 112 at the lower end to move synchronously, so that the plurality of clamping pieces 112 move close to each other. After the plurality of clamping pieces 112 move close to each other, they tightly clamp the corresponding part of the measured container, such as the neck of the container or other suitable positions, and the rubber pad 113 fixedly connected to the lower end of the limiting ring 108 contacts the surface of the container, thereby increasing the friction and providing a certain sealing and buffering effect, so that the whole connecting mechanism and the radar liquid level meter are stably installed on the container. At the same time, the upper end of the main body shell 101 is provided with a circular through hole for penetrating the output end of the radar liquid level meter 2, so that the radar liquid level meter can work normally and measure the liquid level in the container by transmitting and receiving radar waves. When the radar liquid level meter needs to be disassembled, the servo motor 102 is controlled to reverse, and the above-mentioned components move in the reverse order. Specifically, the reverse rotation of the servo motor 102 drives the worm 103 to reverse, the worm 103 drives the worm gear 106 to reverse, and then the rotating ring 105 and the driving ring 107 also reverse, the reverse rotation of the driving ring 107 drives the plurality of sliding rods 111 to move away from each other, and drives the sliding blocks 110 and the clamping pieces 112 to move away from each other synchronously, thereby releasing the clamping of the container. In this way, the connecting mechanism and the radar liquid level meter can be conveniently disassembled from the container. The whole process is simple and fast, and is convenient for the circulation of the radar liquid level meter. The problem of traditional connection mode is solved. In summary, through the cooperation of the servo motor, the worm, the worm gear, the driving ring, the sliding rod and the clamping piece,The liquid level gauge connecting mechanism realizes quick clamping and loosening of the container, and further achieves the purpose of quick installation and dismounting of the radar liquid level gauge, facilitates circulation use of the radar liquid level gauge among different containers, and the non-contact measurement characteristics of the radar liquid level gauge itself also reduce installation limitation conditions, and further facilitates circulation use of the radar liquid level gauge to reduce cost.

[0042] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A connection mechanism for a liquid level gauge comprising a connection assembly (1), characterized in that: The upper end of the connecting assembly (1) is provided with a radar liquid level meter (2). The connecting assembly (1) comprises a main body shell (101), the inside of the main body shell (101) is fixedly connected with a servo motor (102), the output end of the servo motor (102) is fixedly connected with a worm (103), the inside of the main body shell (101) is fixedly connected with a fixed ring (104), the middle part of the fixed ring (104) and inside the main body shell (101) are rotatably connected with a rotating ring (105), the upper end of the rotating ring (105) is fixedly connected with a worm wheel (106), and the worm wheel (106) is meshed with the worm (103), and the lower end of the rotating ring (105) is fixedly connected with a driving ring (107).

2. A connection mechanism for a liquid level gauge according to claim 1, characterised in that: The inside of the main body shell (101) and the lower end of the driving ring (107) are provided with a limiting ring (108), the middle part of the limiting ring (108) is fixedly connected with a plurality of fixed rods (109), one end of the plurality of fixed rods (109) is fixedly connected with the inner side wall of the main body shell (101), the lower end of the limiting ring (108) is slidably connected with a plurality of sliding blocks (110), the upper end of the plurality of sliding blocks (110) is fixedly connected with a sliding rod (111), and the plurality of sliding rods (111) are slidably connected with the middle part of the driving ring (107), the lower end of the plurality of sliding blocks (110) is fixedly connected with a clamping piece (112), and the lower end of the limiting ring (108) is fixedly connected with a rubber pad (113).

3. A connection mechanism for a liquid level gauge according to claim 1, characterised in that: The upper end of the main body shell (101) is provided with a circular through hole which is penetrated by the output end of the radar liquid level meter (2).

4. A connection mechanism for a liquid level gauge according to claim 1, characterised in that: The middle part of the driving ring (107) is provided with a plurality of arc-shaped sliding holes which are slidably connected with the sliding rods (111).

5. A connection mechanism for a liquid level gauge according to claim 2, wherein: The middle part of the plurality of sliding blocks (110) is fixedly connected with a pair of sliding limiting strip-shaped limiting protrusions.

6. A connection mechanism for a liquid level gauge according to claim 2, wherein: The middle part of the limiting ring (108) is provided with a plurality of rectangular sliding grooves which are slidably connected with the sliding blocks (110), and the inside of the sliding groove is provided with a strip-shaped sliding groove which is slidably limited with the strip-shaped limiting protrusion.

7. A coupling mechanism for a liquid level gauge according to claim 6, wherein: The upper end of the limiting ring (108) is provided with a strip-shaped sliding hole which is slidably penetrated by the sliding rod (111).