Full-automatic switching box for liquid oxygen tank and busbar

The liquid oxygen tank and manifold switching box with a protective frame addresses safety and thermal issues by preventing wall contact and allowing adjustable installation, enhancing safety and thermal performance.

CN223105844UActive Publication Date: 2025-07-15ZHEJIANG QIANGSHENG MEDICAL ENG
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Patent Information

Application Number
CN202422533269.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2025-07-15
Estimated Expiration
2034-10-18

AI Technical Summary

Technical Problem

The existing liquid oxygen tank and the busbar switching control box are in direct contact with the wall, affecting the heat dissipation and safety of use, and posing safety hazards.

Method used

A fully automatic switching box for liquid oxygen tank and busbar is designed. A protective bracket is used to set up protective brackets on both sides of the back of the box to avoid direct contact between the box and the wall, and is easy to fix through the step mounting holes on the mounting frame. The height of the mounting frame is adjustable, and precise clamping and positioning is achieved with the clamp block, limiting column and fastening nut to enhance structural strength and reliability.

Benefits of technology

It improves the safety and heat dissipation performance of the switching control box, extends the service life, facilitates installation and height adjustment, facilitates the connection between the interface and the pipeline, and enhances the overall reliability and maintenance convenience of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223105844U_ABST
Patent Text Reader

Abstract

The utility model discloses a liquid oxygen tank and busbar full-automatic switching box which comprises a box body, a connector is arranged on the box body, a protection frame is arranged on the back face of the box body, the protection frame and the box body are detachably installed, an installation frame is arranged on the protection frame, the installation frame and the protection frame are adjustably fixed, step installation holes are formed in the installation frame, and the protection frame comprises two protection supports. The two protection supports are symmetrically arranged on the two sides of the box body, and the installation frame is arranged between the two protection supports. The protective supports are arranged on the two sides of the back face of the box body, direct contact between the box body and the wall can be avoided through the protective design of the protective supports, the box body is protected, the overall safety is improved, the protective supports are only arranged on the two sides of the back face of the box body, the middle of the back face of the box body is exposed, and air circulation is facilitated. Therefore, the heat dissipation performance of the back face of the switching control box is ensured, the service life is prolonged, and installation and fixation between the whole switching control box and a wall can be facilitated through step installation holes in the installation frame.
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Description

Technical Field

[0001] The utility model belongs to the technical field of switching boxes, and particularly relates to a full-automatic switching box for a liquid oxygen tank and a manifold. Background Art

[0002] Liquid oxygen is the form of oxygen in a liquid state. Many medical devices in hospitals, such as ventilators, hyperbaric oxygen chambers, etc., need to use oxygen as a power source or treatment medium. The supply mode of liquid oxygen can meet the oxygen demand of these devices. The gas at the output end of the hospital liquid oxygen tank and the gas at the output end of the hospital manifold generally share the same output pipeline system, so a switching control box is used to control the switching between the two groups of gas sources of the manifold and the liquid oxygen tank to meet different gas output requirements. The existing switching control boxes are generally directly fixed in contact with the wall, which not only affects the surface heat dissipation of the switching control box, but also may affect the use safety of the switching control box if there are problems such as dampness and water seepage on the wall, increasing potential safety hazards. Summary of the Invention

[0003] The purpose of the utility model is to provide a technical solution for a full-automatic switching box for a liquid oxygen tank and a manifold in view of the deficiencies of the prior art. The structure is ingeniously and reasonably designed and has strong practicability. Protective brackets are arranged on both sides of the back of the box body. Through the protective design of the protective brackets, direct contact between the box body and the wall can be avoided, protecting the box body and improving the overall safety. Moreover, the protective brackets are only arranged at both sides of the back of the box body, and the middle part of the back of the box body is exposed, which is beneficial to air circulation, thereby ensuring the heat dissipation performance of the back of the switching control box and prolonging the service life. The stepped mounting holes on the mounting rack can facilitate the installation and fixation of the whole with the wall, and the height of the mounting rack on the protective rack is adjustable, and the installation height of the box body can be adjusted to a certain extent according to actual needs, which is more conducive to the connection between the interface and pipelines or other devices.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] Liquid oxygen tank and full-automatic switching box for manifold, including a box body. An interface is provided on the box body, and a protective frame is provided on the back of the box body. The protective frame is detachably installed on the box body. An installation frame is provided on the protective frame, and the installation frame is adjustably fixed to the protective frame. A stepped installation hole is provided on the installation frame. The protective frame includes two protective brackets, and the two protective brackets are symmetrically arranged on both sides of the box body. The installation frame is arranged between the two protective brackets. The structural design is ingenious and reasonable, and the practicability is strong. Protective brackets are provided on both sides of the back of the box body. Through the protection design of the protective brackets, direct contact between the box body and the wall can be avoided, protecting the box body and improving the overall safety. Moreover, the protective brackets are only arranged at the positions on both sides of the back of the box body, and the middle part of the back of the box body is exposed, which is beneficial to air circulation, thereby ensuring the heat dissipation performance on the back of the switching control box and extending the service life. In addition, through the stepped installation hole on the installation frame, it is convenient to install and fix the whole with the wall, facilitating actual assembly and disassembly. And the height of the installation frame on the protective frame is adjustable, and the installation height of the box body can be adjusted to a certain extent according to actual needs, which is more conducive to the connection between the interface and pipelines or other equipment.

[0006] Furthermore, clamping blocks are provided at both ends of the protective bracket. A limiting card slot is formed between the two clamping blocks and the protective bracket. The back of the box body is clamped in the limiting card slot. The structural design is ingenious and reasonable. The design of the clamping block can enhance the structural strength of the protective bracket. At the same time, the clamping block and the protective bracket cooperate to just form the limiting card slot, which matches the box body, realizing the clamping and limiting between the protective bracket and the box body and facilitating actual assembly.

[0007] Furthermore, the clamping block and the protective bracket are of an integrally formed structure. The integrally formed structure can ensure the overall structural strength and bearing capacity, making the structure more firm and reliable, and also facilitating actual processing and forming.

[0008] Furthermore, an opening groove is provided on the clamping block, and limiting posts are provided on both the upper and lower sides of the box body. The limiting posts and the opening grooves are in one-to-one correspondence and match. When the box body is inserted into the limiting card slot, the limiting posts are correspondingly inserted into the corresponding opening grooves. And a fastening nut is provided at the end of the limiting post. When the box body is inserted into the limiting card slot, the limiting posts are aligned with the corresponding opening grooves. When the box body is gradually inserted into the limiting card slot, the limiting posts also just gradually insert into the opening grooves for limiting, realizing the precise clamping and positioning between the box body and the protective bracket. Then, it is locked and fixed through the fastening nut, effectively ensuring the installation firmness and reliability between the box body and the protective bracket. The overall design is ingenious, the assembly and disassembly are convenient and simple, facilitating actual operation and subsequent maintenance and repair, etc.

[0009] Furthermore, both ends of the mounting bracket are provided with bending portions. A C-shaped card slot is formed between the bending portions and the mounting bracket. The C-shaped card slot matches the protective bracket. The mounting bracket is slidably clamped between two protective brackets through the C-shaped card slot. The bending portion and the mounting bracket are of an integrally formed structure, ensuring the overall structural strength and load-bearing capacity. The C-shaped card slot is formed between the bending portion and the mounting bracket. The two C-shaped card slots at both ends correspond to two protective brackets, realizing the sliding clamping connection between the mounting bracket and the two protective brackets and facilitating the actual assembly and positioning.

[0010] Furthermore, a number of connecting screw holes are evenly arranged on the side surface of the protective bracket. A connecting hole is arranged on the bending portion. The connecting hole matches the connecting screw hole. The bending portion is limited and fixed to the corresponding protective bracket through a connecting screw. The end of the connecting screw passes through the connecting hole and extends into the C-shaped card slot and is screwed into the corresponding connecting screw hole, realizing the fixation between the bending portion and the protective bracket. The structural design is compact and reasonable. After the mounting bracket is slidably clamped between two protective brackets, the mounting bracket and the protective bracket can be limited and fixed through the connecting screw, ensuring the connection firmness and reliability between the mounting bracket and the protective bracket. Moreover, multiple connecting screw holes are arranged on the protective bracket. By corresponding different-height connecting screw holes to the connecting holes and connecting them with connecting screws, the mounting height of the mounting bracket on the protective bracket can be changed, thereby adjusting the overall mounting height of the box body, making the interface more convenient for connecting pipes or other devices.

[0011] Furthermore, a first weight-reducing hole is provided on the part of the protective bracket that fits the back surface of the box body. The design of the first weight-reducing hole can reduce the overall weight, facilitate actual installation, and the design of the first weight-reducing hole makes the exposed area of the back surface of the box body larger, increasing the air circulation space on the back surface of the box body, helping to improve the heat dissipation performance and extend the service life.

[0012] Furthermore, a second weight-reducing hole is provided on the part of the protective bracket that extends out of the back surface of the box body. A number of wire blocks are arranged in the second weight-reducing hole. The second weight-reducing hole cooperates with the first weight-reducing hole, which can further reduce the overall weight and facilitate component assembly. At the same time, the second weight-reducing hole can facilitate the arrangement of wire blocks. Through the wire blocks, a limiting and fixing position can be provided for the wires on the surface of the box body, helping to arrange the wires on the surface of the box body in an orderly manner.

[0013] Furthermore, a wire groove is arranged on the wire block. An opening is arranged in the direction of the wire groove facing the front of the box body. The structural design is ingenious and reasonable. The wire groove provides a limiting path for the wires, making the wire arrangement more orderly, reducing the chaos and crossing of wires, making the external wiring of the box body neater, more facilitating the centralized and orderly piping of wires, and also facilitating the subsequent maintenance and replacement of wires. The design of the opening can facilitate the quick clamping and disassembly of wires on the wire block.

[0014] Furthermore, the box body is provided with a liquid crystal LCD display screen, on which key parameters such as the working pressures at the outlets of the liquid oxygen tank, the manifold, and the pipeline can be numerically displayed, so that the operator can monitor the safety status of the equipment and the system in real time, thereby promptly detecting malfunction problems, enhancing the usage safety. Also, an audible and visual alarm system is arranged inside the box body, which can give an alarm in time when a malfunction occurs to remind.

[0015] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0016] The utility model has a clever and reasonable structural design and strong practicability. Protective brackets are arranged on both sides of the back of the box body. Through the protective design of the protective brackets, direct contact between the box body and the wall surface can be avoided, protecting the box body and improving the overall safety. Moreover, the protective brackets are only arranged at both sides of the back of the box body, and the middle part of the back of the box body is exposed, which is beneficial to air circulation, thereby ensuring the heat dissipation performance of the back of the switching control box and prolonging the service life. The stepped mounting holes on the mounting rack can facilitate the installation and fixation of the whole with the wall, and the height of the mounting rack on the protective rack is adjustable, and the installation height of the box body can be adjusted to a certain extent according to actual needs, which is more conducive to the connection between the interface and the pipeline or other equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The following further explains the utility model with reference to the drawings:

[0018] Figure 1 is a schematic structural view of the fully automatic switching box of the liquid oxygen tank and the manifold of the utility model;

[0019] Figure 2 is a schematic installation structure view of the box body and the protective rack of the utility model;

[0020] Figure 3 is a schematic back structure view of the utility model;

[0021] Figure 4 is a schematic structural view of the utility model when the mounting rack is not installed;

[0022] Figure 5 is a schematic structural view of the box body of the utility model;

[0023] Figure 6 is a schematic structural view of the protective bracket of the utility model;

[0024] Figure 7 is a schematic installation structure view between the mounting rack and the protective rack of the utility model;

[0025] Figure 8 is a schematic structural view of the mounting rack of the utility model.

[0026] In the figure: 1 - box body; 2 - interface; 3 - protective frame; 4 - mounting frame; 5 - stepped mounting hole; 6 - protective support; 7 - clamping block; 8 - limiting card slot; 9 - opening slot; 10 - limiting column; 11 - fastening nut; 12 - bending part; 13 - C-shaped card slot; 14 - connecting screw hole; 15 - connecting hole; 16 - connecting screw; 17 - weight reduction hole one; 18 - weight reduction hole two; 19 - wire block; 20 - wire groove; 21 - opening; 22 - liquid crystal LCD display screen. Detailed implementation manner

[0027] As Figures 1 to 8 shown, this is a full-automatic switching box for liquid oxygen tanks and manifolds of the present utility model, including a box body 1. An interface 2 is provided on the box body 1, and the interface 2 facilitates the connection of the device to pipelines or other devices. A protective frame 3 is provided on the back of the box body 1. The protective frame 3 is detachably installed with the box body 1. The detachable installation can facilitate actual assembly and disassembly and subsequent maintenance, etc. An installation frame 4 is provided on the protective frame 3. The installation frame 4 is adjustably fixed to the protective frame 3. A stepped mounting hole 5 is provided on the installation frame 4. The protective frame 3 includes two protective supports 6. The two protective supports 6 are symmetrically arranged on both sides of the box body 1. The installation frame 4 is arranged between the two protective supports 6; the structural design is ingenious and reasonable, and the practicability is strong. Protective supports 6 are provided on both sides of the back of the box body 1. Through the protective design of the protective supports 6, direct contact between the box body 1 and the wall can be avoided, protecting the box body 1 and improving the overall safety. Moreover, the protective supports 6 are only provided at the two side positions on the back of the box body 1, and the middle part of the back of the box body 1 is exposed, which is beneficial to air circulation, thereby ensuring the heat dissipation performance on the back of the switching control box and prolonging the service life. And through the stepped mounting hole 5 on the installation frame 4, it is convenient to install and fix the whole to the wall, facilitating actual assembly and disassembly. Moreover, the height of the installation frame 4 on the protective frame 3 is adjustable, and the installation height of the box body 1 can be adjusted to a certain extent according to actual needs, which is more conducive to the connection between the interface 2 and pipelines or other devices.

[0028] Clamping blocks 7 are provided at both ends of the protective support 6. A limiting card slot 8 is formed between the two clamping blocks 7 and the protective support 6. The back of the box body 1 is clamped in the limiting card slot 8. The structural design is ingenious and reasonable. The design of the clamping block 7 can enhance the structural strength of the protective support 6. At the same time, the clamping block 7 and the protective support 6 cooperate to just form the limiting card slot 8, and the limiting card slot 8 matches the box body 1 to realize the clamping and limiting between the protective support 6 and the box body 1, facilitating actual assembly. The clamping block 7 and the protective support 6 are of an integrally formed structure. The integrally formed structure can ensure the overall structural strength and bearing capacity, making the structure more firm and reliable, and at the same time facilitating actual processing and forming.

[0029] An opening groove 9 is provided on the clamping block 7. Limiting posts 10 are provided on both the upper and lower sides of the box body 1. The limiting posts 10 and the opening grooves 9 are in one-to-one correspondence and match. When the box body 1 is inserted into the limiting clamping groove 8, the limiting posts 10 are correspondingly inserted into the corresponding opening grooves 9. And a fastening nut 11 is provided at the end of the limiting post 10. When the box body 1 is inserted into the limiting clamping groove 8, the limiting post 10 is aligned with the corresponding opening groove 9. So that when the box body 1 is gradually inserted into the limiting clamping groove 8, the limiting post 10 also just gradually inserts into the opening groove 9 for limiting, realizing the precise clamping and positioning between the box body 1 and the protective bracket 6. Then it is locked and fixed through the fastening nut 11, effectively ensuring the installation firmness and reliability between the box body 1 and the protective bracket 6. The overall design is ingenious, the assembly and disassembly are convenient and simple, facilitating actual operation and subsequent maintenance and repair, etc.

[0030] Bending parts 12 are provided at both ends of the mounting bracket 4. A C-shaped clamping groove 13 is formed between the bending part 12 and the mounting bracket 4. The C-shaped clamping groove 13 matches the protective bracket 6. The mounting bracket 4 is slidably clamped between two protective brackets 6 through the C-shaped clamping groove 13. The bending part 12 and the mounting bracket 4 are of an integrally formed structure, ensuring the overall structural strength and load-bearing capacity. A C-shaped clamping groove 13 is formed between the bending part 12 and the mounting bracket 4. The two C-shaped clamping grooves 13 at both ends correspond to the two protective brackets 6, realizing the sliding clamping between the mounting bracket 4 and the two protective brackets 6 and facilitating actual assembly and positioning.

[0031] A number of connecting screw holes 14 are evenly provided on the side surface of the protective bracket 6. A connecting hole 15 is provided on the bending part 12. The connecting hole 15 communicates with the C-shaped clamping groove 13. The connecting hole 15 matches the connecting screw hole 14. The bending part 12 is limited and fixed to the corresponding protective bracket 6 through a connecting screw 16. The end of the connecting screw 16 passes through the connecting hole 15 and extends into the C-shaped clamping groove 13 and is screwed into the corresponding connecting screw hole 14, realizing the fixation between the bending part 12 and the protective bracket 6. The structural design is compact and reasonable. After the mounting bracket 4 is slidably clamped with the two protective brackets 6, the mounting bracket 4 and the protective bracket 6 can be limited and fixed through the connecting screw 16, ensuring the connection firmness and reliability between the mounting bracket 4 and the protective bracket 6. And a plurality of connecting screw holes 14 are provided on the protective bracket 6. By corresponding different-height connecting screw holes 14 with the connecting hole 15 and connecting them with the connecting screw 16, the installation height of the mounting bracket 4 on the protective bracket 6 can be changed, thereby adjusting the overall installation height of the box body 1, making the interface 2 more convenient for connecting pipelines or other equipment. The assembly and disassembly are convenient and it is also convenient for actual adjustment.

[0032] On the part of the protective bracket 6 that fits against the back of the box body 1, there is a first weight-reducing hole 17. The design of the first weight-reducing hole 17 can reduce the overall weight, facilitate actual installation, and the design of the first weight-reducing hole 17 makes the exposed area of the back of the box body 1 larger, increasing the air circulation space on the back of the box body 1, which helps to improve the heat dissipation performance and extend the service life. On the part of the protective bracket 6 that extends out of the back of the box body 1, there is a second weight-reducing hole 18. A number of wire blocks 19 are arranged in the second weight-reducing hole 18. The second weight-reducing hole 18 cooperates with the first weight-reducing hole 17 to further reduce the overall weight and facilitate the assembly of components. At the same time, the second weight-reducing hole 18 can facilitate the arrangement of the wire blocks 19. Through the wire blocks 19, a limiting and fixing position can be provided for the wires on the surface of the box body 1, which helps to arrange the wires on the surface of the box body 1 in an orderly manner.

[0033] On the wire block 19, there is a wire groove 20. An opening 21 is arranged in the direction of the wire groove 20 facing the front of the box body 1. The structural design is ingenious and reasonable. The wire groove 20 provides a limiting path for the wires, making the wire arrangement more orderly, reducing the chaos and crossing of the wires, making the external wiring of the box body 1 neater, more facilitating the centralized and orderly piping of the wires, and also facilitating the subsequent maintenance and replacement of the wires. The design of the opening 21 can facilitate the quick clamping and disassembly of the wires on the wire block 19.

[0034] On the box body 1, there is a liquid crystal LCD display screen 22. Key parameters such as the working pressure at the outlet of the liquid oxygen tank, the outlet of the bus bar, and the outlet of the pipeline can be digitally displayed on the liquid crystal LCD display screen 22, so that the operator can monitor the safety status of the equipment and the system in real time, thereby timely discovering fault problems, enhancing the use safety, and an audible and visual alarm system is also arranged inside the box body 1, which can give an alarm in time when a fault occurs. The box body also has an RS485 communication interface. Through the RS485 communication interface, the device can be connected to the medical gas central monitoring system to monitor the operating status in real time.

[0035] The structure of the utility model is ingenious and reasonable, and has strong practicability. Protective brackets 6 are arranged on both sides of the back of the box body 1. Through the protective design of the protective brackets 6, direct contact between the box body 1 and the wall surface can be avoided, protecting the box body 1 and improving the overall safety. And the protective brackets 6 are only arranged at both sides of the back of the box body 1, and the middle part of the back of the box body 1 is exposed, which is beneficial to air circulation, thus ensuring the heat dissipation performance of the back of the switching control box and extending the service life. Through the step mounting holes 5 on the mounting frame 4, it is convenient to install and fix the whole with the wall, and the height of the mounting frame 4 on the protective frame 3 is adjustable, and the installation height of the box body 1 can be adjusted to a certain extent according to actual needs, which is more conducive to the connection between the interface 2 and pipelines or other equipment.

[0036] The above are only specific embodiments of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent replacements, or modifications made based on the present utility model to achieve substantially the same technical effects are all covered within the protection scope of the present utility model.

Claims

1. Liquid oxygen tank and fully automatic switching box for manifold, characterized in that: It includes a box body, an interface is provided on the box body, a protective frame is provided on the back surface of the box body, the protective frame is detachably installed with the box body, a mounting frame is provided on the protective frame, the mounting frame is adjustably fixed with the protective frame, a stepped mounting hole is provided on the mounting frame, the protective frame includes two protective brackets, and the two protective brackets are symmetrically arranged on both sides of the box body, and the mounting frame is arranged between the two protective brackets.

2. The fully automatic switching box for liquid oxygen tanks and manifolds according to claim 1, wherein: Both ends of the protective bracket are provided with clamping blocks, and a limit card slot is formed between the two clamping blocks and the protective bracket, and the back of the box body is clamped in the limit card slot.

3. The fully automatic switching box for liquid oxygen tank and manifold according to claim 2, characterized in that: The clamping block and the protective bracket are of an integrally formed structure.

4. The fully automatic switching box for liquid oxygen tank and manifold according to claim 2, wherein: An opening groove is provided on the clamping block, limit posts are provided on both the upper and lower sides of the box body, the limit posts are in one-to-one correspondence and match with the opening grooves, when the box body is inserted into the limit card slot, the limit posts are matched and inserted into the corresponding opening grooves, and a fastening nut is provided at the end of the limit post.

5. The fully automatic switching box for liquid oxygen tanks and manifolds according to claim 1, characterized in that: Both ends of the mounting frame are provided with bending parts, a C-shaped card slot is formed between the bending parts and the mounting frame, the C-shaped card slot matches with the protective bracket, and the mounting frame is slidably clamped between the two protective brackets through the C-shaped card slot.

6. The fully automatic switching box for liquid oxygen tank and manifold according to claim 5, wherein: A plurality of connecting screw holes are evenly provided on the side surface of the protective bracket, a connecting hole is provided on the bending part, the connecting hole matches with the connecting screw hole, the bending part is limited and fixed with the corresponding protective bracket through a connecting screw, and the end of the connecting screw passes through the connecting hole and extends into the C-shaped card slot and is screwed into the corresponding connecting screw hole to realize the fixation between the bending part and the protective bracket.

7. The fully automatic switching box for liquid oxygen tank and manifold according to claim 1, wherein: A first weight-reducing hole is provided on the part of the protective bracket that fits with the back surface of the box body.

8. The fully automatic switching box for liquid oxygen tanks and manifolds according to claim 1, characterized in that: A second weight-reducing hole is provided on the part of the protective bracket that extends out of the back surface of the box body, and a plurality of wire blocks are arranged in the second weight-reducing hole.

9. The fully automatic switching box for liquid oxygen tank and manifold according to claim 8, characterized in that: A wire groove is provided on the wire block, and an opening is provided in the direction of the front surface of the box body for the wire groove.

10. The fully automatic switching box for liquid oxygen tanks and manifolds according to claim 1, characterized in that: A liquid crystal LCD display screen is provided on the box body.