Connecting and reinforcing device for negative pressure suction tube

Abstract

The utility model provides a connecting and reinforcing device for a negative pressure suction tube. The connecting and reinforcing device comprises an inner tube component and an outer tube component, the inner pipe component comprises a first section of sub-pipe, a second section of sub-pipe and a third section of sub-pipe; the second end of the first section of sub-pipe is integrally connected with the first end of the second section of sub-pipe; the second end of the second section of sub-pipe is integrally connected with the first end of the third section of sub-pipe; the diameter of the first section of sub-pipe is greater than that of the third section of sub-pipe; the second section of sub-pipe is formed into a conical pipe; the outer pipe component comprises a fourth section of sub-pipe, a fifth section of sub-pipe and a sixth section of sub-pipe; the second end of the fourth section of sub-pipe is integrally connected with the first end of the fifth section of sub-pipe; the second end of the fifth section of sub-pipe is integrally connected with the first end of the sixth section of sub-pipe; the fifth section of sub-pipe is formed into a conical pipe; the connecting tube and the negative pressure suction tube of the negative pressure drainage bottle are sealed and fixed through the inner tube component and the outer tube component respectively, and connection and disconnection are facilitated.

Description

Technical Field

[0001] The present application relates to a medical device, and in particular to a negative pressure suction tube connection reinforcement device. Background Art

[0002] When in use, one end of the negative pressure suction tube 40 is plugged into the connection tube 30 of the negative pressure drainage bottle; the connection tube 30 of the negative pressure drainage bottle and the negative pressure suction tube 40 are fixed by plugging, and it is necessary to achieve a seal between the connection tube 30 and the negative pressure suction tube 40. In this way, the connection tube 30 and the negative pressure suction tube 40 need to directly form an interference fit, resulting in great effort when plugging and unplugging the negative pressure suction tube 40. Utility Model Content

[0003] In view of the above problems, the present application aims to propose a negative pressure suction tube connection reinforcement device, which can help to easily connect the negative pressure suction tube to the connecting tube of the negative pressure drainage bottle.

[0004] The negative pressure suction tube connection reinforcement device of the present application comprises: an inner tube component and an outer tube component;

[0005] The inner tube member comprises a first section of the sub-tube, a second section of the sub-tube and a third section of the sub-tube; the second end of the first section of the sub-tube is integrally connected with the first end of the second section of the sub-tube; the second end of the second section of the sub-tube is integrally connected with the first end of the third section of the sub-tube; the diameter of the first section of the sub-tube is greater than the diameter of the third section of the sub-tube; the second section of the sub-tube is formed as a tapered tube;

[0006] An annular silicone sheet is arranged on the first end of the first sub-tube; the first end of the first sub-tube is used to insert the connecting tube of the negative pressure drainage bottle; the inner diameter of the first sub-tube is larger than the outer diameter of the connecting tube of the negative pressure drainage bottle; the annular silicone sheet is airtightly surrounded on the outer circumference of the connecting tube of the negative pressure drainage bottle to form a seal for the connecting tube of the negative pressure drainage bottle; a plurality of guide fins are formed on the outer circumferential surface of the first sub-tube near the first end of the first sub-tube; the top surface of each guide fin is an inclined surface whose height gradually decreases from the first end to the second end thereof;

[0007] The second end of the third sub-tube is used to be inserted into the negative pressure suction tube; the outer diameter of the third sub-tube is smaller than the inner diameter of the negative pressure suction tube;

[0008] A portion of the negative pressure suction tube is sleeved on the second end of the second section of the sub-tube;

[0009] The outer tube member includes a fourth section of the sub-tube, a fifth section of the sub-tube and a sixth section of the sub-tube; the second end of the fourth section of the sub-tube is integrally connected with the first end of the fifth section of the sub-tube; the second end of the fifth section of the sub-tube is integrally connected with the first end of the sixth section of the sub-tube; the fifth section of the sub-tube is formed into a tapered tube;

[0010] The fourth section of the sub-tube is used to be sleeved on the outer circumference of the first section of the sub-tube; the fifth section of the sub-tube is used to be sleeved on the outer circumference of the second section of the sub-tube; the sixth section of the sub-tube is used to be sleeved on the outer circumference of the third section of the sub-tube;

[0011] An external thread is formed on the outer circumference of the first sub-tube; an internal thread is formed on the inner circumference of the fourth sub-tube; the first sub-tube and the fourth sub-tube are combined together by threading; the first end of the fourth sub-tube is supported on the inclined surface of the guide fin on the outer circumference of the first sub-tube, so that the first sub-tube is clamped on the outer circumference of the connecting tube of the negative pressure drainage bottle inside the first sub-tube through the guide fin, thereby fixing the connecting tube of the negative pressure drainage bottle;

[0012] A predetermined interval is formed between the third section of the sub-tube and the sixth section of the sub-tube, and the predetermined interval is greater than the wall thickness of the negative pressure suction tube;

[0013] The part of the negative pressure suction tube sleeved on the second end of the second sub-tube is compressed by the fifth sub-tube, so that the part is sandwiched by the second sub-tube and the fifth sub-tube to form a seal and fix the negative pressure suction tube.

[0014] Preferably, there are three guide fins.

[0015] Preferably, an annular guide surface is formed around the first end of the fourth section sub-tube, and the annular guide surface is pressed against the inclined surface of the guide fin.

[0016] The negative pressure suction tube connection reinforcement device of the present application is connected as an intermediary between the negative pressure suction tube and the connecting tube of the negative pressure drainage bottle, and forms a seal and fixation with them respectively, so as to facilitate the connection and disconnection of the negative pressure suction tube and the negative pressure drainage bottle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 , 2 This is a schematic diagram of the three-dimensional structure of the negative pressure suction tube connection reinforcement device of the present application;

[0018] Figure 3 This is a schematic cross-sectional structure diagram of the negative pressure suction tube connection reinforcement device of the present application;

[0019] Figure 4 This is a schematic diagram of the top view of the inner tube component of the negative pressure suction tube connection reinforcement device of the present application;

[0020] Figure 5 This is a schematic diagram of the top view of the outer tube component of the negative pressure suction tube connection reinforcement device of the present application;

[0021] Figure 6 This is a schematic diagram of the negative pressure suction tube connection reinforcement device of the present application connecting the negative pressure suction tube to the connecting tube of the negative pressure drainage bottle. DETAILED DESCRIPTION

[0022] Below, the negative pressure suction tube connection reinforcement device of the present application is described in detail with reference to the accompanying drawings.

[0023] The negative pressure suction tube connection reinforcement device of the present application includes: an inner tube component 10 and an outer tube component 20.

[0024] The inner pipe member 10 includes a first section of sub-pipe 11 , a second section of sub-pipe 12 and a third section of sub-pipe 13 .

[0025] The second end of the first sub-tube 11 is integrally connected to the first end of the second sub-tube 12; the second end of the second sub-tube 12 is integrally connected to the first end of the third sub-tube 12; the diameter of the first sub-tube 11 is greater than the diameter of the third sub-tube 13; the second sub-tube 12 is formed as a tapered tube.

[0026] An annular silicone sheet 15 is provided on the first end of the first sub-tube 11; the first end of the first sub-tube 11 is used to insert the connecting tube 30 of the negative pressure drainage bottle; the inner diameter of the first sub-tube 11 is larger than the outer diameter of the connecting tube 30 of the negative pressure drainage bottle; the annular silicone sheet 15 is airtightly surrounded on the outer circumference of the connecting tube 30 of the negative pressure drainage bottle to form a seal for the connecting tube 30 of the negative pressure drainage bottle; a plurality of guide fins 14 are formed on the outer circumferential surface of the first sub-tube 11 near the first end of the first sub-tube 11; the top surface of each guide fin 14 is an inclined surface whose height gradually decreases from its first end to its second end.

[0027] The second end of the third sub-tube 13 is used to be inserted into the negative pressure suction tube 40 ; the outer diameter of the third sub-tube 13 is smaller than the inner diameter of the negative pressure suction tube 40 .

[0028] A portion of the negative pressure suction tube 40 is sleeved on the second end of the second section 12 tube.

[0029] The outer tube member 20 includes a fourth sub-tube 21 , a fifth sub-tube 22 , and a sixth sub-tube 23 .

[0030] The second end of the fourth sub-tube 21 is integrally connected to the first end of the fifth sub-tube 22 ; the second end of the fifth sub-tube 22 is integrally connected to the first end of the sixth sub-tube 23 ; the fifth sub-tube 22 is formed as a tapered tube.

[0031] The fourth section pipe 21 is used to be sleeved on the outer circumference of the first section pipe 11 ; the fifth section pipe 22 is used to be sleeved on the outer circumference of the second section pipe 12 ; and the sixth section pipe 23 is used to be sleeved on the outer circumference of the third section pipe 13 .

[0032] An external thread is formed on the outer circumference of the first sub-tube 11; an internal thread is formed on the inner circumference of the fourth sub-tube 21; the first sub-tube 11 and the fourth sub-tube 21 are combined together by threading; the first end of the fourth sub-tube 21 is supported on the inclined surface of the guide fin 14 on the outer circumference of the first sub-tube 11, thereby clamping the first sub-tube 11 on the outer circumference of the connecting tube 30 of the negative pressure drainage bottle inside it through the guide fin 14, thereby fixing the connecting tube 30 of the negative pressure drainage bottle.

[0033] A predetermined interval is formed between the third-stage sub-tube 13 and the sixth-stage sub-tube 23 , and the predetermined interval is greater than the wall thickness of the negative pressure suction tube 40 .

[0034] The portion of the negative pressure suction tube 40 sleeved on the second end of the second sub-tube 12 is compressed by the fifth sub-tube 22, so that the portion is sandwiched by the second sub-tube 12 and the fifth sub-tube 22 to form a seal and fix the negative pressure suction tube.

[0035] There are three guide fins.

[0036] An annular guide surface is formed around the first end of the fourth section pipe 21 , and the annular guide surface is pressed against the inclined surface of the guide fin 14 .

[0037] In the negative pressure suction tube connection reinforcement device of the present application, the first section of the sub-tube is a soft plastic tube, and the second, third, fourth, fifth and sixth sections of the sub-tube are hard plastic tubes.

[0038] When in use, first insert the connecting tube of the negative pressure drainage bottle into the first end of the first section of the sub-tube, and the silicone sheet surrounds the connecting tube to form a seal; then the negative pressure drainage tube is sleeved on the third section of the sub-tube, and the first end of the negative pressure drainage tube is partially sleeved on the second end of the second section of the sub-tube; then the fourth section of the sub-tube is threadedly engaged with the first section of the sub-tube, so that the first end of the fourth section of the sub-tube continuously moves toward the first end of the first section of the sub-tube, and during the moving process, the fifth section of the sub-tube and the second section of the sub-tube form a clamp around the part of the negative pressure drainage tube sleeved on the second section of the sub-tube, thereby sealing and fixing the negative pressure drainage tube; at the same time, the first section of the fourth section of the sub-tube moves along the inclined surface of the guide wing, thereby clamping the first section of the sub-tube to the outer periphery of the connecting tube of the negative pressure drainage bottle through the guide wing to form a fixation.

Claims

1. A negative pressure suction tube connection reinforcement device, characterized in that include: Inner tube member and outer tube member; The inner tube member comprises a first section of the sub-tube, a second section of the sub-tube and a third section of the sub-tube; the second end of the first section of the sub-tube is integrally connected with the first end of the second section of the sub-tube; the second end of the second section of the sub-tube is integrally connected with the first end of the third section of the sub-tube; the diameter of the first section of the sub-tube is greater than the diameter of the third section of the sub-tube; the second section of the sub-tube is formed as a tapered tube; An annular silicone sheet is arranged on the first end of the first sub-tube; the first end of the first sub-tube is used to insert the connecting tube of the negative pressure drainage bottle; the inner diameter of the first sub-tube is larger than the outer diameter of the connecting tube of the negative pressure drainage bottle; the annular silicone sheet is airtightly surrounded on the outer circumference of the connecting tube of the negative pressure drainage bottle to form a seal for the connecting tube of the negative pressure drainage bottle; a plurality of guide fins are formed on the outer circumferential surface of the first sub-tube near the first end of the first sub-tube; the top surface of each guide fin is an inclined surface whose height gradually decreases from the first end to the second end thereof; The second end of the third sub-tube is used to be inserted into the negative pressure suction tube; the outer diameter of the third sub-tube is smaller than the inner diameter of the negative pressure suction tube; A portion of the negative pressure suction tube is sleeved on the second end of the second section of the sub-tube; The outer tube member includes a fourth section of the sub-tube, a fifth section of the sub-tube and a sixth section of the sub-tube; the second end of the fourth section of the sub-tube is integrally connected with the first end of the fifth section of the sub-tube; the second end of the fifth section of the sub-tube is integrally connected with the first end of the sixth section of the sub-tube; the fifth section of the sub-tube is formed into a tapered tube; The fourth section of the sub-tube is used to be sleeved on the outer circumference of the first section of the sub-tube; the fifth section of the sub-tube is used to be sleeved on the outer circumference of the second section of the sub-tube; the sixth section of the sub-tube is used to be sleeved on the outer circumference of the third section of the sub-tube; An external thread is formed on the outer circumference of the first sub-tube; an internal thread is formed on the inner circumference of the fourth sub-tube; the first sub-tube and the fourth sub-tube are combined together by threading; the first end of the fourth sub-tube is supported on the inclined surface of the guide fin on the outer circumference of the first sub-tube, so that the first sub-tube is clamped on the outer circumference of the connecting tube of the negative pressure drainage bottle inside the first sub-tube through the guide fin, thereby fixing the connecting tube of the negative pressure drainage bottle; A predetermined interval is formed between the third section of the sub-tube and the sixth section of the sub-tube, and the predetermined interval is greater than the wall thickness of the negative pressure suction tube; The part of the negative pressure suction tube sleeved on the second end of the second sub-tube is compressed by the fifth sub-tube, so that the part is sandwiched by the second sub-tube and the fifth sub-tube to form a seal and fix the negative pressure suction tube.

2. The negative pressure suction tube connection reinforcement device according to claim 1, characterized in that: The number of the guide fins is 3.

3. The negative pressure suction tube connection reinforcement device according to claim 2, characterized in that: An annular guide surface is formed around the first end of the fourth section sub-tube, and the annular guide surface is pressed against the inclined surface of the guide fin.

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