Pipeline connecting structure for connecting warm air to warm air blower
By combining the guide strip and guide groove, and using the insertion of the positioning column and positioning groove, along with the sliding unlocking of the control sleeve and sliding column, the problem of the ventilation duct of the heater being difficult to fix in the heater blanket is solved, realizing convenient installation and disassembly and avoiding detachment during the operation.
Patent Information
- Application Number
- CN202520580747.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-31
AI Technical Summary
The ventilation ducts of existing heaters are not easy to secure within the heating blanket, and are prone to falling off during surgery, causing inconvenience in use.
A pipe connection structure for connecting a warm air duct to a warm air heater was designed. The ventilation pipe is fixed by the cooperation of the guide strip and the guide groove, and the positioning column and the positioning groove are used to fix the ventilation pipe. Combined with the sliding unlocking of the control sleeve and the sliding column, the ventilation pipe can be conveniently installed and disassembled.
It effectively secures the ventilation duct, preventing it from falling off during surgery and improving its ease of use and practicality.
Smart Images

Figure CN223794850U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, specifically to a pipe connection structure for connecting a warm air duct to a warm air heater. Background Technology
[0002] During surgery, patients are prone to hypothermia in the operating room environment. Hypothermia can have adverse effects on the patient's health and prolong their hospital stay. Therefore, doctors usually use heated blankets to maintain the patient's body temperature during surgery.
[0003] In the existing technology, the warm air blanket used to maintain the patient's body temperature is placed on the patient's body, and the ventilation duct of the warm air heater is inserted into the warm air blanket. The warm air heater fills the warm air blanket with air at a specified temperature, thereby maintaining the patient's body temperature. However, after the ventilation duct of the warm air heater is inserted into the warm air blanket, it is not easy to fix the ventilation duct to the warm air blanket. During the operation, it is easy to fall out of the warm air blanket due to contact or other reasons, which is inconvenient to use. Utility Model Content
[0004] The purpose of this utility model is to provide a pipe connection structure for connecting a warm air receiver to a warm air heater, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A duct connection structure for connecting a warm air receiver to a warm air heater includes:
[0007] The connecting pipe is fixedly connected to one side of the main body of the warm air blanket. The inside of the connecting pipe is provided with a guide groove, and the surface of the connecting pipe is provided with a telescopic hole. A positioning post is slidably inserted into the telescopic hole, and the surface of the positioning post is provided with a sliding groove.
[0008] A control sleeve is fitted onto the surface of the connecting pipe. A control board is installed inside the control sleeve. A sliding column is provided on the surface of the control board and is slidably disposed inside the sliding groove.
[0009] The ventilation duct is inserted into the inside of the connecting pipe. The surface of the ventilation duct is provided with a guide strip, and the surface of the guide strip is provided with a positioning groove.
[0010] Preferably, the surface of the main body of the warm air quilt is provided with a zipper.
[0011] Preferably, a sealing ring is fixedly provided inside the connecting pipe, a sealing gasket is provided on the side of the sealing ring away from the main body of the heating element, and a fixing retaining ring is fixedly provided on the surface of the connecting pipe.
[0012] Preferably, the guide groove is located on the side of the sealing ring away from the main body of the heated blanket, and the guide groove passes through the end of the connecting pipe away from the main body of the heated blanket.
[0013] Preferably, the telescopic hole is connected to the guide groove.
[0014] Preferably, one end of the positioning post extends through the telescopic hole and into the interior of the guide groove, and the sliding grooves are symmetrically opened on both sides of the positioning post.
[0015] Preferably, the control sleeve is slidably sleeved on the outside of the fixed retaining ring, and a first movable retaining ring and a second movable retaining ring are fixedly installed inside the control sleeve. The first movable retaining ring and the second movable retaining ring are slidably sleeved on the surface of the connecting pipe. The first movable retaining ring is disposed between the second movable retaining ring and the fixed retaining ring, and a compression spring is disposed between the first movable retaining ring and the fixed retaining ring.
[0016] Preferably, the control board is fixedly disposed between the first movable retaining ring and the second movable retaining ring.
[0017] Preferably, the guide strip is slidably inserted into the inside of the guide groove, and the end of the guide strip near the sealing ring is chamfered.
[0018] Preferably, the positioning groove is provided corresponding to the telescopic hole.
[0019] Compared with the prior art, the beneficial effects of this utility model are:
[0020] 1. By aligning the guide strip with the guide groove, the ventilation pipe is inserted into the connecting pipe. The chamfer at the end of the guide strip presses against the positioning post. When the end of the ventilation pipe is pressed against the sealing gasket, the positioning post is inserted into the positioning groove, fixing the ventilation pipe inside the connecting pipe. This achieves the connection between the ventilation pipe and the main body of the warm air quilt, avoiding the problem of the ventilation pipe of the warm air machine not being easy to fix after being inserted into the warm air quilt, which could lead to it falling off during the operation.
[0021] 2. A control sleeve is installed. When it is necessary to disconnect the ventilation pipe from the main body of the heating system, the ventilation pipe and the control sleeve are pulled at the same time, so that the control sleeve moves in the opposite direction of the ventilation pipe. At this time, the control sleeve drives the sliding column to slide inside the sliding groove, which drives the positioning column to disengage from the inside of the positioning groove. This allows the ventilation pipe to be pulled out from the inside of the connecting pipe. The connection and disassembly are convenient and quick, which further improves its practicality. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0023] Figure 2 This is a cross-sectional view of the connecting pipe of this utility model;
[0024] Figure 3 This is a schematic diagram of the internal structure of the connecting pipe of this utility model;
[0025] Figure 4This is a schematic diagram of the ventilation duct structure of this utility model;
[0026] Figure 5 This is a schematic diagram of the internal structure of the control sleeve of this utility model;
[0027] Figure 6 This is a schematic diagram of the positioning column structure of this utility model.
[0028] In the diagram: 1. Main body of the warm air quilt; 11. Zipper; 2. Connecting pipe; 21. Guide groove; 22. Telescopic hole; 23. Sealing ring; 24. Sealing gasket; 25. Fixing retaining ring; 3. Control sleeve; 31. First moving retaining ring; 32. Second moving retaining ring; 33. Control board; 34. Sliding column; 4. Ventilation pipe; 41. Guide strip; 42. Positioning groove; 5. Positioning column; 51. Sliding groove; 6. Compression spring. Detailed Implementation
[0029] To more clearly illustrate the overall concept of this utility model, a detailed description will be provided below with reference to the accompanying drawings.
[0030] Please see the appendix Figure 1 To be continued Figure 6 As shown, this utility model provides a pipe connection structure for connecting a warm air receiver to a warm air heater, comprising:
[0031] A connecting pipe 2 is fixedly connected to one side of the main body 1 of the heated blanket. A zipper 11 is provided on the surface of the main body 1 of the heated blanket. A sealing ring 23 is fixedly provided inside the connecting pipe 2. A sealing gasket 24 is provided on the side of the sealing ring 23 away from the main body 1 of the heated blanket. A fixing retaining ring 25 is fixedly provided on the surface of the connecting pipe 2. A guide groove 21 is provided inside the connecting pipe 2. The guide groove 21 is located on the side of the sealing ring 23 away from the main body 1 of the heated blanket. The guide groove 21 passes through the end of the connecting pipe 2 away from the main body 1 of the heated blanket. A telescopic hole 22 is provided on the surface of the connecting pipe 2. The telescopic hole 22 communicates with the guide groove 21. A positioning post 5 is slidably inserted into the telescopic hole 22. One end of the positioning post 5 passes through the telescopic hole 22 and extends into the interior of the guide groove 21. A sliding groove 51 is provided on the surface of the positioning post 5. The sliding groove 51 is symmetrically provided on both sides of the positioning post 5.
[0032] A control sleeve 3 is fitted onto the surface of the connecting pipe 2 and slidably fitted onto the outside of the fixed retaining ring 25. A first movable retaining ring 31 and a second movable retaining ring 32 are fixedly installed inside the control sleeve 3. The first movable retaining ring 31 and the second movable retaining ring 32 are slidably fitted onto the surface of the connecting pipe 2. The first movable retaining ring 31 is disposed between the second movable retaining ring 32 and the fixed retaining ring 25. A compression spring 6 is disposed between the first movable retaining ring 31 and the fixed retaining ring 25. A control plate 33 is installed inside the control sleeve 3 and is fixedly disposed between the first movable retaining ring 31 and the second movable retaining ring 32. A sliding post 34 is disposed on the surface of the control plate 33 and slidably disposed inside the sliding groove 51.
[0033] Ventilation pipe 4 is inserted into the interior of connecting pipe 2. A guide strip 41 is provided on the surface of ventilation pipe 4. The guide strip 41 is slidably inserted into the interior of guide groove 21. The end of guide strip 41 near sealing ring 23 is chamfered. A positioning groove 42 is provided on the surface of guide strip 41. The positioning groove 42 is correspondingly provided with telescopic hole 22.
[0034] This utility model proposes a pipe connection structure for connecting a warm air blanket to a warm air heater. In use, after the warm air blanket body 1 is placed on the patient's body, the guide strip 41 is aligned with the guide groove 21, and the ventilation pipe 4 is inserted into the interior of the connecting pipe 2. The positioning post 5 is pressed against the chamfered end of the guide strip 41. When the end of the ventilation pipe 4 is pressed against the sealing gasket 24, the positioning post 5 is inserted into the interior of the positioning groove 42, fixing the ventilation pipe 4 inside the connecting pipe 2. This achieves the connection between the ventilation pipe 4 and the warm air blanket body 1, avoiding the problem of the ventilation pipe of the warm air heater not being easy to fix after being inserted into the warm air blanket, which could lead to it falling off during the operation.
[0035] As a further improvement of this utility model, by setting a control sleeve 3, when it is necessary to disconnect the ventilation pipe 4 from the main body 1 of the heating air, the ventilation pipe 4 and the control sleeve 3 are pulled at the same time, so that the control sleeve 3 moves in the opposite direction of the ventilation pipe 4. At this time, the control sleeve 3 drives the sliding column 34 to slide inside the sliding groove 51, and drives the positioning column 5 to disengage from the inside of the positioning groove 42, so that the ventilation pipe 4 can be pulled out from the inside of the connecting pipe 2. The connection and disassembly are convenient and quick, further improving its practicality.
[0036] Working Principle: During surgery, doctors typically use a heated blanket to maintain the patient's body temperature. This invention proposes a pipe connection structure for connecting a heated blanket to a heater. In use, after placing the heated blanket body 1 on the patient's body, the guide strip 41 is aligned with the guide groove 21, and the ventilation pipe 4 is inserted into the connecting pipe 2. The chamfered end of the guide strip 41 presses against the positioning post 5. When the end of the ventilation pipe 4 is pressed against the sealing gasket 24, the positioning post 5 is inserted into the positioning groove 42, fixing the ventilation pipe 4 inside the connecting pipe 2, thus connecting the ventilation pipe 4 to the heated blanket body 1. When it is necessary to disconnect the ventilation pipe 4 from the heated blanket body 1, the ventilation pipe 4 and the control sleeve 3 are pulled simultaneously, causing the control sleeve 3 to move in the opposite direction of the ventilation pipe 4. At this time, the control sleeve 3 drives the sliding post 34 to slide inside the sliding groove 51, causing the positioning post 5 to disengage from the positioning groove 42, thereby allowing the ventilation pipe 4 to be pulled out from inside the connecting pipe 2.
[0037] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.
[0038] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A pipe connection structure for connecting a heated blanket to a heater, relating to the main body (1) of the heated blanket, characterized in that, include: A connecting pipe (2) is fixedly connected to one side of the main body (1) of the warm air blanket. A guide groove (21) is provided inside the connecting pipe (2). A telescopic hole (22) is provided on the surface of the connecting pipe (2). A positioning post (5) is slidably inserted inside the telescopic hole (22). A sliding groove (51) is provided on the surface of the positioning post (5). A control sleeve (3) is fitted onto the surface of the connecting pipe (2). A control plate (33) is installed inside the control sleeve (3). A sliding column (34) is provided on the surface of the control plate (33). The sliding column (34) is slidably disposed inside the sliding groove (51). Ventilation pipe (4) is inserted into the interior of the connecting pipe (2). A guide strip (41) is provided on the surface of the ventilation pipe (4), and a positioning groove (42) is provided on the surface of the guide strip (41).
2. The pipe connection structure for connecting the warm air receiver to the warm air blower according to claim 1, characterized in that, The surface of the main body (1) of the warm air is provided with a zipper (11).
3. The pipe connection structure for connecting the warm air receiver to the warm air blower according to claim 2, characterized in that, A sealing ring (23) is fixedly installed inside the connecting pipe (2), and a sealing gasket (24) is provided on the side of the sealing ring (23) away from the main body (1) of the warm air blanket. A fixing retaining ring (25) is fixedly installed on the surface of the connecting pipe (2).
4. The pipe connection structure for connecting the warm air receiver to the warm air blower according to claim 3, characterized in that, The guide groove (21) is located on the side of the sealing ring (23) away from the main body (1) of the heating blanket, and the guide groove (21) passes through the end of the connecting pipe (2) away from the main body (1) of the heating blanket.
5. The pipe connection structure for connecting the warm air receiver to the warm air blower according to claim 4, characterized in that, The telescopic hole (22) is connected to the guide groove (21).
6. The pipe connection structure for connecting the warm air receiver to the warm air blower according to claim 5, characterized in that, One end of the positioning post (5) passes through the telescopic hole (22) and extends into the interior of the guide groove (21). The sliding groove (51) is symmetrically opened on both sides of the positioning post (5).
7. The pipe connection structure for connecting a warm air receiver to a warm air blower according to claim 6, characterized in that, The control sleeve (3) is slidably sleeved on the outside of the fixed retaining ring (25). The control sleeve (3) is fixedly installed with a first movable retaining ring (31) and a second movable retaining ring (32). The first movable retaining ring (31) and the second movable retaining ring (32) are slidably sleeved on the surface of the connecting pipe (2). The first movable retaining ring (31) is disposed between the second movable retaining ring (32) and the fixed retaining ring (25). A compression spring (6) is disposed between the first movable retaining ring (31) and the fixed retaining ring (25).
8. The pipe connection structure for connecting a warm air receiver to a warm air blower according to claim 7, characterized in that, The control board (33) is fixedly disposed between the first movable retaining ring (31) and the second movable retaining ring (32).
9. The pipe connection structure for connecting a warm air receiver to a warm air blower according to claim 8, characterized in that, The guide bar (41) is slidably inserted into the inside of the guide groove (21), and the end of the guide bar (41) near the sealing ring (23) is chamfered.
10. The pipe connection structure for connecting a warm air receiver to a warm air blower according to claim 9, characterized in that, The positioning groove (42) is provided correspondingly to the telescopic hole (22).