A stoichiometry device for ease of installation
The design of the guide tube and quick-connect mechanism solves the problems of complex installation and insufficient sealing of traditional chemical metering devices, enabling convenient installation and quick connection, adapting to metering tanks of different sizes, improving work efficiency and preventing chemical leakage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BAOTOU INSPECTION & TESTING CENT
- Filing Date
- 2025-08-27
- Publication Date
- 2026-07-21
AI Technical Summary
Traditional chemical metering devices are complex to install, difficult to adapt to metering containers of different sizes and shapes, affecting work efficiency and unable to be quickly adapted, and have insufficient sealing.
It employs a guide cylinder, a positioning and buffering mechanism, and a quick-connect mechanism. The guide cylinder provides installation guidance, the positioning and buffering mechanism reduces external impact, the quick-connect mechanism enables quick connection and disassembly, and sealing rings and rubber rings ensure airtightness.
It enables convenient installation and quick connection, adapts to metering tanks of different sizes, improves work efficiency, and effectively prevents chemical leakage.
Smart Images

Figure CN224533914U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of chemical experimental equipment technology, and in particular to a chemical metering device that is easy to install. Background Technology
[0002] In the fields of chemical experiments and chemical production, the ease of installation, stability, and sealing of chemical metering devices are crucial to the accuracy of experimental results and the safety of the production process.
[0003] Traditional chemical metering devices require various tools to precisely align the metering containers during installation, followed by cumbersome methods such as bolt tightening or welding for fixation. This process is complex and time-consuming, significantly impacting work efficiency. Furthermore, different chemical experiments and production scenarios have varying requirements for the size and shape of the metering containers. Traditional chemical metering devices are typically designed with fixed dimensions, making it difficult to flexibly adapt to different specifications of metering containers and hindering rapid adaptation, thus affecting production. Utility Model Content
[0004] The purpose of this invention is to provide a chemical metering device that is easy to install, thereby solving the technical problems existing in the prior art.
[0005] To achieve the aforementioned objectives, the technical solution adopted by this utility model is as follows:
[0006] A chemical metering device that is easy to install includes: a base, a guide cylinder penetrating one working surface of the base, multiple positioning and buffer mechanisms having an inner wall of the guide cylinder, and a quick-connect mechanism connected to a metering barrel; the base has a preset load-bearing capacity and an installation groove is opened at the top, and the guide cylinder is disposed in the installation groove; the metering barrel is installed in the guide cylinder, and a connecting pipe is provided on one working surface, the connecting pipe is connected to the quick-connect mechanism, and one end of the quick-connect mechanism is connected to a pipeline.
[0007] Furthermore, a fixing mechanism is provided around the guide cylinder, and the fixing mechanism can be tightly connected to the metering cylinder.
[0008] Furthermore, the positioning buffer mechanism includes a disc spring and a clamp connected to the telescopic end of the disc spring, wherein one working surface of the clamp is tightly connected to the metering barrel.
[0009] Furthermore, the fixing mechanism includes: a limiting channel penetrating the guide cylinder and a threaded rod threadedly connected to the limiting channel; one end of the threaded rod located inside the guide cylinder is rotatably connected to the abutment block, and the abutment block can be tightly connected to the metering barrel.
[0010] Furthermore, the connecting pipe includes: a first outer shell and a first flow chamber disposed within the first outer shell; a slide is provided at one end of the first outer shell near the quick connection mechanism, and a working chamber is provided inside the slide; a slot and a groove are sequentially provided on one side of the slide along its axial direction; a sealing ring is provided on the first flow chamber; and a protrusion is provided inside the working chamber.
[0011] Furthermore, the quick-connect mechanism includes: a connecting housing, a plurality of positioning beads disposed in the slot, and a rubber ring disposed in the groove; a return spring is provided inside the connecting housing, and the return spring is slidably connected to the slide rail; the connecting housing is sleeved on the first outer shell and is slidably connected to the first outer shell.
[0012] Furthermore, the pipe includes: a main body, a second outer shell disposed outside the main body, and a second flow chamber disposed inside the second outer shell and communicating with the main body; a sealing ring is provided in the second flow chamber and is adapted to the working size of the first flow chamber; a positioning block is provided on the second outer shell, and a recess is provided on the side of the positioning block away from the quick connection mechanism, and the positioning block can contact the protrusion; the recess is engaged with the positioning bead.
[0013] Furthermore, pads are provided at the four corners of the bottom of the base.
[0014] Compared with the prior art, the present invention has the following beneficial effects:
[0015] (I) This utility model, through the setting of guide cylinder, positioning buffer mechanism and fixing mechanism, can provide reliable guarantee for fixing the measuring barrel in the guide cylinder. When in use, the measuring barrel is installed in the guide cylinder and snapped into the positioning buffer mechanism. The measuring barrel is pressed tightly by turning the threaded rod to drive the abutment. It is easy to install and can adapt to measuring barrels of different sizes. In addition, the disc spring in the positioning buffer mechanism can reduce the buffering effect when the measuring barrel is subjected to external force impact or vibration.
[0016] (II) This utility model, through the setting of a quick connection mechanism, can quickly complete the connection and disassembly, improving work efficiency. At the same time, the setting of positioning beads, sealing rings and rubber rings prevents the leakage of chemical substances. Attached Figure Description
[0017] Figure 1 This is a perspective view of the present utility model;
[0018] Figure 2 This is a top view of the present invention;
[0019] Figure 3 This is a partial schematic diagram of the present invention;
[0020] Figure 4This is a schematic diagram of the quick-connect mechanism and pipe connection of this utility model;
[0021] In the diagram: 1. Base; 101. Mounting groove; 2. Guide cylinder; 3. Positioning buffer mechanism; 301. Disc spring; 302. Clamp; 4. Fixing mechanism; 401. Limiting channel; 402. Threaded rod; 403. Abutment block; 5. Connecting pipe; 501. First outer shell; 502. Slide rail; 503. Slot; 504. Groove; 505. First flow chamber; 506. Working chamber; 507. Protrusion; 6. Quick connection mechanism; 601. Connecting shell; 602. Positioning bead; 603. Rubber ring; 604. Return spring; 7. Pipe; 701. Second flow chamber; 702. Second outer shell; 703. Recess; 704. Positioning block; 8. Metering barrel; 9. Cover plate; 10. Pad plate; 11. Sealing ring. Detailed Implementation
[0022] To make the content of this utility model easier to understand, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Identical components are represented by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.
[0023] like Figure 1-2 As shown, this embodiment provides a chemical metering device that is easy to install, including: a base 1, a guide cylinder 2 penetrating one working surface of the base 1, multiple positioning and buffering mechanisms 3 having an inner wall of the guide cylinder 2, and a quick-connect mechanism 6 connected to a metering barrel 8; the base 1 has a preset load-bearing capacity and an installation groove 101 is opened at the top, the guide cylinder 2 is disposed in the installation groove 101, and the guide cylinder 2 provides guidance for the installation of the metering barrel 8; the metering barrel 8 is installed in the guide cylinder 2, and a cover plate 9 is provided at the top, and a connecting pipe 5 is provided on one working surface of the barrel, the connecting pipe 5 is connected to the quick-connect mechanism 6, and one end of the quick-connect mechanism 6 is connected to a pipe 7. The quick-connect mechanism 6 allows the device to be quickly connected and disassembled without the need for external tools during installation, improving work efficiency and effectively preventing chemical leakage; the base 1 has pads 10 at the four corners of its bottom.
[0024] Furthermore, a fixing mechanism 4 is provided around the guide cylinder 2, which can be tightly connected to the metering barrel 8. After the metering barrel 8 is installed in the guide cylinder 2, the operator will press the fixing mechanism 4 against the metering barrel 8 and apply uniform and appropriate pressure to the metering barrel 8 to limit and fix it.
[0025] like Figure 3 As shown, the positioning and buffering mechanism 3 includes a disc spring 301 and a clamp 302 connected to the telescopic end of the disc spring 301. One working surface of the clamp 302 is tightly connected to the measuring barrel 8. The fixing mechanism 4 includes a limiting channel 401 penetrating the guide cylinder 2 and a threaded rod 402 threadedly connected to the limiting channel 401. One end of the threaded rod 402 located inside the guide cylinder 2 is rotatably connected to a stop block 403. The stop block 403 can be tightly connected to the measuring barrel 8. During operation, the operator places the measuring barrel 8 into the guide cylinder 2 and tightly connects it to the clamp 302. Then, the operator screws the threaded rod 402, which drives the stop block 403 to fix the outer wall of the measuring barrel 8.
[0026] like Figure 4 As shown, the connecting pipe 5 includes: a first outer shell 501 and a first flow chamber 505 disposed within the first outer shell 501; a slide 502 is provided at one end of the first outer shell 501 near the quick connection mechanism 6, and a working chamber 506 is provided inside it; a slot 503 and a groove 504 are sequentially provided on one side of the slide 502 along its axial direction; a sealing ring 11 is provided on the first flow chamber 505, and the sealing ring 11 can effectively prevent the leakage of chemical substances during the flow process and ensure the sealing performance during the working process; a protrusion 507 is provided in the working chamber 506, and the protrusion 507 provides a limit for the connection process with the pipe 7.
[0027] like Figure 4 As shown, the quick-connect mechanism 6 includes: a connecting housing 601, a plurality of positioning beads 602 disposed in the slot 503, and a rubber ring 603 disposed in the groove 504; a return spring 604 is provided in the connecting housing 601, and the return spring 604 is slidably connected to the slide rail 502. The return spring 604 can provide appropriate elastic force to ensure smooth and stable connection and disassembly processes; the positioning beads 602 can quickly and accurately cooperate with the slot 503 on the connecting tube 5 to achieve precise positioning; the rubber ring 603 has preset elasticity and sealing properties, further enhancing the tightness of the connection; the connecting housing 601 is sleeved on the first outer shell 501 and slidably connected to the first outer shell 501, allowing operators to easily and quickly complete connection and disassembly operations, improving work efficiency.
[0028] like Figure 4As shown, the pipe 7 includes: a main body, a second outer shell 702 disposed outside the main body, and a second flow chamber 701 disposed inside the second outer shell 702 and communicating with the main body; the second flow chamber 701 is provided with a sealing ring 11, which is adapted to the working size of the first flow chamber 505. The first flow chamber 505 and the second flow chamber 701 are both provided with sealing rings 11 to form a double sealing package, which can ensure the smooth flow of chemical substances in the two chambers; the second outer shell 702 is provided with a positioning block 704, and the positioning block 704 has a recess 703 on the side away from the quick connection mechanism 6. The positioning block 704 can contact the protrusion 507; during the connection process, the positioning block 704 abuts against the protrusion 507, thereby completing the limiting function; the recess 703 is engaged with the positioning bead 602.
[0029] Working principle: Place the base 1 in the desired position, insert the measuring cylinder 8 into the guide cylinder 2, and have its bottom snap into the clamp 302, ensuring a tight connection. The operator then screws on the threaded rod 402 to press the abutment block 403 against the outer wall of the measuring cylinder 8. Next, the operator connects the pipe 7 to the quick-connect mechanism 6. Specifically, the operator holds the main body and inserts the second outer shell 702 into the working chamber 506. The insertion stops when the positioning block 704 abuts against the protrusion 507. At this point, the positioning bead 602 is firmly engaged in the recess 703, and the first flow chamber 505 and the second flow chamber 701 are interconnected. Simultaneously, the return spring... When 604 is subjected to force, it undergoes elastic deformation. After the first flow chamber 505 and the second flow chamber 701 are connected, the return spring 604 returns to its original position, restricting the connecting housing 601 onto the positioning bead 602, so that the positioning bead 602 is firmly stuck in the recess 703, thereby achieving a quick-sealing connection between the quick-connecting mechanism 6 and the pipe 7. When disassembly is required, the operator presses the connecting housing 601, which compresses the return spring 604. At this time, the operator pulls the main body to lift the positioning bead 602, thereby separating the second flow chamber 701 from the first flow chamber 505 and pulling the second outer shell 702 out of the working chamber 506.
[0030] The above description is only a preferred embodiment of this utility model patent and is not intended to limit this utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this utility model patent should be included within the protection scope of this utility model patent.
Claims
1. A chemical metering device that is easy to install, characterized in that: include: The base (1), the guide cylinder (2) penetrating one side of the working surface of the base (1), the multiple positioning buffer mechanisms (3) provided with the inner wall of the guide cylinder (2), and the quick connection mechanism (6) connected to the metering barrel (8); The base (1) has a preset bearing capacity and an installation groove (101) is opened at the top. The guide cylinder (2) is located in the installation groove (101). The metering barrel (8) is installed inside the guide cylinder (2), and a connecting pipe (5) is provided on one side of the working surface. The connecting pipe (5) is connected to the quick connection mechanism (6), and one end of the quick connection mechanism (6) is connected to the pipe (7).
2. The easy-to-install chemical metering device according to claim 1, characterized in that: The guide cylinder (2) is provided with a fixing mechanism (4) around its perimeter, and the fixing mechanism (4) can be tightly connected to the metering barrel (8).
3. The easy-to-install chemical metering device according to claim 2, characterized in that: The positioning buffer mechanism (3) includes a disc spring (301) and a clamp (302) connected to the telescopic end of the disc spring (301). The working surface of one side of the clamp (302) is tightly connected to the metering barrel (8).
4. The easy-to-install chemical metering device according to claim 2, characterized in that: The fixing mechanism (4) includes: a limiting channel (401) passing through the guide cylinder (2) and a threaded rod (402) threadedly connected to the limiting channel (401); one end of the threaded rod (402) located inside the guide cylinder (2) is rotatably connected to the abutment (403), and the abutment (403) can be tightly connected to the metering barrel (8).
5. The easy-to-install chemical metering device according to claim 1, characterized in that: The connecting pipe (5) includes: a first outer shell (501) and a first flow chamber (505) disposed within the first outer shell (501); a slide (502) is provided at one end of the first outer shell (501) near the quick connection mechanism (6), and a working chamber (506) is provided inside it; a slot (503) and a groove (504) are sequentially provided on one side of the slide (502) along its axial direction; a sealing ring (11) is provided on the first flow chamber (505); and a protrusion (507) is provided inside the working chamber (506).
6. The easy-to-install chemical metering device according to claim 5, characterized in that: The quick-connect mechanism (6) includes: a connecting housing (601), a plurality of positioning beads (602) disposed in the slot (503), and a rubber ring (603) disposed in the groove (504); a return spring (604) is provided in the connecting housing (601), and the return spring (604) is slidably connected to the slide (502); the connecting housing (601) is sleeved on the first outer shell (501) and slidably connected to the first outer shell (501).
7. The easy-to-install chemical metering device according to claim 6, characterized in that: The pipe (7) includes: a main body, a second outer shell (702) disposed outside the main body, and a second flow chamber (701) disposed inside the second outer shell (702) and communicating with the main body; a sealing ring (11) is provided in the second flow chamber (701) and is adapted to the working size of the first flow chamber (505); a positioning block (704) is provided on the second outer shell (702), and a recess (703) is provided on the side of the positioning block (704) away from the quick connection mechanism (6), and the positioning block (704) can contact the protrusion (507); the recess (703) is engaged with the positioning bead (602).
8. The easy-to-install chemical metering device according to claim 1, characterized in that: The base (1) has pads (10) at the four corners of its bottom.