A dynamic gas mixing instrument with a protective structure

Abstract

This utility model discloses a dynamic gas mixing instrument with a protective structure, including a dynamic gas mixing instrument body. A protective shell is installed on the outside of the dynamic gas mixing instrument body. Several sets of fixing components are installed on the outside of the protective shell corresponding to the gas tube structure of the dynamic gas mixing instrument body. Each fixing component includes a fixing block detachably mounted on the outer wall of the protective shell. A through hole for the gas tube to pass through is opened in the center of the fixing block, and an installation groove is opened inside the fixing block outside the through hole. Two sets of rubber clamps are symmetrically installed inside the installation groove. A screw driving its movement is rotatably mounted on the upper part of one set of rubber clamps. The rubber clamps inside the installation groove flexibly clamp and fix the passing gas tube, and the screw-driven adjustment method allows the clamping force to adapt to different tube diameters, effectively absorbing and buffering the lateral stress and vibration experienced by the gas tube, ensuring the stability of the gas tube connection point.

Description

Technical Field

[0001] This utility model relates to the field of dynamic gas mixing instrument technology, specifically a dynamic gas mixing instrument with a protective structure. Background Technology

[0002] Dynamic gas mixing systems are key devices used in laboratories, industrial production, and environmental monitoring for the precise preparation and delivery of standard gases at specific concentrations. Their core function is to generate dynamic, continuous gas mixtures by precisely controlling the flow rates and proportions of various gas components.

[0003] Traditional dynamic gas mixing instruments with external protective shells are prone to friction and wear due to the design of the gas tubing passing through the shell. This generates continuous lateral stress that is transmitted to the connection points, interfering with the interface locking. Over time, this can lead to the gas tubing loosening, causing gas leakage and uncontrolled gas concentration. Therefore, a dynamic gas mixing instrument with a protective structure is needed. Utility Model Content

[0004] The purpose of this utility model is to provide a dynamic gas mixing instrument with a protective structure. By setting a fixed structure outside the protective shell, the gas tube connected to the gas mixing instrument is limited and protected, so as to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A dynamic gas mixing device with a protective structure includes a dynamic gas mixing device body, a protective shell is installed on the outside of the dynamic gas mixing device body, and several sets of fixing components are installed on the outside of the protective shell corresponding to the tracheal structure of the dynamic gas mixing device body. The fixing component includes a fixing block that can be detachably installed on the outer wall of the protective shell. The fixing block has a through hole in the middle for an air supply pipe to pass through, and the fixing block has an installation groove located outside the through hole. Two sets of rubber clamps are symmetrically installed inside the installation groove, and a screw that drives the movement is rotatably installed on the upper part of one set of rubber clamps.

[0006] Preferably, a rotating seat is installed on the outer wall of one of the rubber clamps, and one end of the screw is rotatably installed inside the rotating seat.

[0007] Preferably, a connecting block is installed on the outer wall of another set of rubber clamps, and one side of each of the sets of connecting blocks is attached to the inner wall of the mounting groove.

[0008] Preferably, the inner sidewalls of both sets of rubber clamps are equipped with several sets of rubber strips, and the sidewalls of the several sets of rubber strips are provided with anti-slip textures.

[0009] Preferably, a fixing frame is installed at the inner bottom of the protective shell, and the dynamic gas mixing instrument body is installed on the upper part of the fixing frame.

[0010] Preferably, a top plate is detachably installed on the top of the protective shell, and a pressure plate that abuts against the top of the dynamic gas mixing instrument body is movably installed on the bottom of the top plate.

[0011] Preferably, a number of sets of telescopic rods are installed between the top plate and the pressure plate, and each set of telescopic rods is fitted with a spring on the outside, with the two ends of each set of springs connected to the bottom of the top plate and the top of the pressure plate, respectively.

[0012] Compared with the prior art, the beneficial effects of this utility model are: By setting a detachable fixing component on the outside of the protective shell, the rubber clamp inside the mounting slot is used to flexibly clamp and fix the passing air tube. The screw-driven adjustment method can adapt the clamping force to different tube diameters, effectively absorbing and buffering the lateral stress and vibration of the air tube, and avoiding the stress being directly transmitted to the instrument body interface. At the same time, the flexible contact between the rubber clamp and the air tube greatly reduces wear and ensures the stability of the air tube connection point. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the protective shell of this utility model; Figure 3 This is a schematic diagram of the fixing component structure of this utility model; Figure 4 This is a schematic diagram showing the disassembled installation structure of the pressure plate of this utility model.

[0014] In the diagram: 1. Dynamic gas mixing instrument body; 2. Protective shell; 3. Fixing component; 31. Fixing block; 32. Through hole; 33. Mounting groove; 34. Rubber clamp; 35. Screw; 36. Rotating seat; 37. Connecting block; 38. Rubber strip; 4. Fixing frame; 5. Top plate; 6. Pressure plate; 7. Telescopic rod; 8. Spring. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] This utility model provides: a dynamic gas mixing instrument with a protective structure, such as... Figures 1-4As shown, the device includes a dynamic gas mixing unit 1, a protective shell 2 installed on the outside of the dynamic gas mixing unit 1, and several sets of fixing components 3 installed on the outside of the protective shell 2 corresponding to the gas pipe structure of the dynamic gas mixing unit 1. The dynamic gas mixing unit 1 is the working component for gas mixing, providing the foundation for the gas mixing function of the entire device; the protective shell 2 is installed on the outside of the dynamic gas mixing unit 1, providing overall protection and preventing damage to the dynamic gas mixing unit 1 from external impacts, dust, etc.; the fixing components 3 are detachably installed on the outer wall of the protective shell 2, and their positions correspond to the gas pipe structure of the dynamic gas mixing unit 1, thereby limiting the movement of the gas pipe.

[0017] The fixing component 3 includes a fixing block 31 that is detachably mounted on the outer wall of the protective shell 2. The fixing block 31 has a through hole 32 in its center for the air tube to pass through, and an installation groove 33 is located inside the fixing block 31 outside the through hole 32. Two sets of rubber clamping blocks 34 are symmetrically installed inside the installation groove 33. A screw 35, which drives the movement of one set of rubber clamping blocks 34, is rotatably mounted on the upper part of the latter. The through hole 32 in the center of the fixing block 31 provides a passage for the air tube, ensuring that the air tube can extend smoothly to the outside. The installation groove 33 inside the fixing block 31 provides installation space for the rubber clamping blocks 34. The two sets of symmetrically distributed rubber clamping blocks 34 constitute the clamping structure for the air tube. The rubber material has good flexibility and elasticity, which can prevent damage to the air tube during clamping. The screw 35 is rotatably mounted on the upper part of one set of rubber clamping blocks 34 and is used to drive the movement of the rubber clamping blocks 34 to adjust the clamping force. When the external air tube passes through the through hole 32 in the middle of the fixing component 3 and connects to the dynamic gas mixing instrument body 1, the rotating screw 35 drives a set of rubber clamps 34 to move, which cooperates with another set of rubber clamps 34 to form a flexible clamp for the air tube. This avoids friction and wear caused by direct contact between the air tube and the edge of the protective shell 2, and can also absorb the lateral stress on the air tube through the elastic deformation of the rubber clamps 34, preventing stress from being transmitted to the connection point between the air tube and the dynamic gas mixing instrument body 1, and ensuring the stability of the interface locking.

[0018] Preferably, a rotating seat 36 is installed on the outer wall of one set of rubber clamps 34, and one end of the screw 35 is rotatably installed inside the rotating seat 36. The rotating seat 36 is installed on the outer wall of one set of rubber clamps 34 to convert the rotational motion of the screw 35 into the linear motion of the rubber clamps 34, while preventing the screw 35 from driving the rubber clamps 34 to rotate synchronously. When the operator rotates the screw 35, the screw 35 rotates inside the rotating seat 36. Since the rotating seat 36 is fixed to the rubber clamps 34, and the rubber clamps 34 are limited by the mounting groove 33 and cannot rotate, the rotational motion of the screw 35 is converted into the linear movement of the rubber clamps 34 along the length direction of the mounting groove 33 through the rotating seat 36, thereby realizing the adjustment of the distance between the two sets of rubber clamps 34 to adapt to air pipes of different diameters.

[0019] Furthermore, connecting blocks 37 are installed on the outer wall of another set of rubber clamping blocks 34, with one side of each of the connecting blocks 37 fitting against the inner wall of the mounting groove 33. The connecting blocks 37, installed on the outer wall of the other set of rubber clamping blocks 34, provide positioning support for the rubber clamping blocks 34. By fitting against the inner wall of the mounting groove 33, the connecting blocks 37 fix the set of rubber clamping blocks 34 at a designated position within the mounting groove 33, forming a symmetrical clamping structure with the movable rubber clamping blocks 34. This ensures that the air tube is clamped at the center of the through hole 32, avoiding uneven local force caused by air tube displacement, further improving clamping stability and the protection of the air tube.

[0020] Furthermore, several sets of rubber strips 38 are installed on the inner walls of both sets of rubber clamps 34, and the side walls of these rubber strips 38 are provided with anti-slip textures. The rubber strips 38 enhance the clamping stability of the trachea, while the anti-slip textures enhance the friction between the rubber strips 38 and the trachea. When the rubber clamps 34 clamp the trachea, the rubber strips 38 deform slightly due to the elasticity of the rubber, fitting tightly against the trachea surface. Simultaneously, the anti-slip textures on the side walls of the rubber strips 38 effectively increase the friction between them and the trachea, preventing the trachea from slipping due to gas flow, external contact, or other factors during use, ensuring the trachea remains in a stable position.

[0021] It is worth noting that a mounting bracket 4 is installed at the inner bottom of the protective shell 2, and the dynamic gas mixing instrument body 1 is mounted on the upper part of the mounting bracket 4. The mounting bracket 4 provides a mounting base for the dynamic gas mixing instrument body 1, avoiding vibration transmission caused by direct contact between the dynamic gas mixing instrument body 1 and the protective shell 2. By raising the installation height of the dynamic gas mixing instrument body 1, the mounting bracket 4 creates a certain gap between the dynamic gas mixing instrument body 1 and the inner bottom of the protective shell 2. This facilitates heat dissipation during equipment operation and reduces the direct transmission of external vibrations to the dynamic gas mixing instrument body 1 through the protective shell 2, thereby ensuring the stability of the connection point between the gas tubing and the dynamic gas mixing instrument body 1.

[0022] Specifically, a top plate 5 is detachably installed on the top of the protective shell 2, and a pressure plate 6 is movably installed at the bottom of the top plate 5, abutting against the top of the dynamic gas mixer body 1. The top plate 5 is detachably installed on the top of the protective shell 2, serving to prevent the intrusion of external foreign objects; the pressure plate 6, by abutting against the top of the dynamic gas mixer body 1, restricts its vertical displacement. After the top plate 5 seals the top of the protective shell 2, it can prevent dust, water droplets, etc., from entering the interior of the protective shell 2, avoiding corrosion of the electrical components, gas pipe interfaces, etc. of the dynamic gas mixer body 1; the pressure plate 6, with the assistance of elastic components, always maintains the abutting pressure on the top of the dynamic gas mixer body 1, preventing the equipment from shaking up and down due to vibration during operation, and ensuring the overall stability of the dynamic gas mixer body 1.

[0023] More specifically, several sets of telescopic rods 7 are installed between the top plate 5 and the pressure plate 6. Each set of telescopic rods 7 is fitted with a spring 8, and the two ends of each spring 8 are connected to the bottom of the top plate 5 and the top of the pressure plate 6, respectively. The telescopic rods 7 are installed between the top plate 5 and the pressure plate 6 to guide the springs 8. The springs 8 are fitted on the outside of each set of telescopic rods 7, and the two ends are connected to the bottom of the top plate 5 and the top of the pressure plate 6, respectively, to provide elastic driving force for the pressure plate 6. When the top plate 5 is installed, the pressure plate 6 first contacts the top of the dynamic gas mixer body 1. As the top plate 5 is fixed, the spring 8 is compressed and generates elastic restoring force, thereby pushing the pressure plate 6 to always be tightly pressed against the top of the dynamic gas mixer body 1, achieving elastic compression. When the dynamic gas mixer body 1 vibrates during operation, the vibration drives the pressure plate 6 to move up and down. At this time, the spring 8 absorbs the vibration energy by contracting or extending, playing a shock absorption and buffering role, reducing the impact of vibration on the dynamic gas mixer body 1.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dynamic gas mixing instrument with a protective structure, characterized in that: It includes a dynamic gas mixing instrument body (1), and a protective shell (2) is installed on the outside of the dynamic gas mixing instrument body (1). Several sets of fixing components (3) are installed on the outside of the protective shell (2) corresponding to the tracheal structure of the dynamic gas mixing instrument body (1). The fixing component (3) includes a fixing block (31) that can be detachably installed on the outer wall of the protective shell (2). The fixing block (31) has a through hole (32) for the air supply pipe to pass through in the middle. The fixing block (31) has an installation groove (33) located outside the through hole (32) inside. Two sets of rubber clamps (34) are symmetrically installed inside the installation groove (33). A screw (35) for driving the movement is rotatably installed on the upper part of one set of rubber clamps (34).

2. The dynamic gas-mixture analyzer with a protection structure according to claim 1, characterized in that: One of the rubber clamps (34) has a rotating seat (36) installed on the outer wall of the outer side, and one end of the screw (35) is rotatably installed inside the rotating seat (36).

3. The dynamic gas-mixture analyzer with a protection structure according to claim 1, characterized in that: Another set of rubber clamps (34) has a connecting block (37) installed on the outer side wall, and one side of each of the several sets of connecting blocks (37) is attached to the inner wall of the mounting groove (33).

4. The dynamic gas-mixture analyzer with a protection structure according to claim 3, characterized in that: The inner sidewalls of both sets of rubber clamps (34) are equipped with several sets of rubber strips (38), and the sidewalls of the several sets of rubber strips (38) are provided with anti-slip textures.

5. The dynamic gas-mixture analyzer with a protection structure according to claim 1, characterized in that: The inner bottom of the protective shell (2) is fitted with a fixing frame (4), and the dynamic gas distribution instrument body (1) is mounted on the upper part of the fixing frame (4).

6. The dynamic gas-mixture analyzer with a protection structure according to claim 5, characterized in that: The top of the protective shell (2) is detachably mounted with a top plate (5), and the bottom of the top plate (5) is movably mounted with a pressure plate (6) that abuts against the top of the dynamic gas distribution instrument body (1).

7. A dynamic gas mixing instrument with a protective structure according to claim 6, characterized in that: Several sets of telescopic rods (7) are installed between the top plate (5) and the pressure plate (6). Each set of telescopic rods (7) is fitted with a spring (8). The two ends of each set of springs (8) are respectively connected to the bottom of the top plate (5) and the top of the pressure plate (6).

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