Nasal oxygen cannula winding mechanism and winding equipment

Abstract

The utility model discloses a nasal oxygen cannula winding mechanism and winding equipment, and the nasal oxygen cannula winding mechanism comprises a bidirectional screw rod which is driven by a first driving device to rotate and is provided with a forward thread and a reverse thread; the expanding assembly is arranged on the bidirectional screw rod and is provided with at least two groups of winding rods which are uniformly arranged on the peripheral side of the bidirectional screw rod by taking the central axis of the bidirectional screw rod as the center, and when the bidirectional screw rod rotates, the at least two groups of winding rods can be synchronously close to or far away from the bidirectional screw rod; clamping structures for locking the nasal oxygen cannula are arranged at the two ends of the winding rod; the second driving device is used for driving the first driving device and the bidirectional screw rod to rotate synchronously; the nasal oxygen cannula winding device can solve the problem that a manual nasal oxygen cannula winding mode is poor in uniformity after winding forming, and winding efficiency is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical equipment, concretely relates to a nasal oxygen tube winding mechanism and winding equipment. BACKGROUND

[0002] The nasal oxygen tube is an important medical instrument, which is used for oxygen therapy and helps patients to breathe. Before leaving the factory, the nasal oxygen tube needs to be wound and packaged. Since the nasal oxygen tube is long, the traditional nasal oxygen tube winding method is manual winding, which has the problem of poor uniformity after winding and forming, and low winding efficiency. UTILITY MODEL CONTENTS

[0003] The utility model aims at solving the above technical problem, that is, the manual winding method of the nasal oxygen tube has the problem of poor uniformity after winding and forming, and low winding efficiency.

[0004] In a first aspect, the utility model provides a nasal oxygen tube winding mechanism, comprising: a bidirectional screw rod, the bidirectional screw rod is driven to rotate by a first driving device, the bidirectional screw rod has a forward thread and a reverse thread; a supporting and expanding assembly, the supporting and expanding assembly is arranged on the bidirectional screw rod, and at least two groups of winding rods are uniformly arranged on the outer circumferential side of the bidirectional screw rod with the central axis of the bidirectional screw rod as the center, when the bidirectional screw rod rotates, at least two groups of the winding rods can be synchronized to approach or move away from the bidirectional screw rod, and the two ends of the winding rod have a clamping structure for locking the nasal oxygen tube; a second driving device for driving the first driving device and the bidirectional screw rod to rotate synchronously.

[0005] In the preferred technical scheme of the above nasal oxygen tube winding mechanism, the clamping structure is a notch opened at the two ends of the winding rod, and the inner diameter of the notch is smaller than the outer diameter of the nasal oxygen tube.

[0006] In the preferred technical scheme of the above nasal oxygen tube winding mechanism, the supporting and expanding assembly further comprises a first supporting structure arranged on the forward thread and a second supporting structure arranged on the reverse thread, and the first supporting structure and the second supporting structure each comprise a limiting ring threadedly connected with the bidirectional screw rod, and a supporting rod hingedly connected with the limiting ring and the winding rod at both ends.

[0007] In the preferred technical scheme of the above nasal oxygen tube winding mechanism, the supporting and expanding assembly further comprises a fixedly arranged base plate, and the base plate is arranged with a light rod on the side facing the winding rod, and the light rod passes through the limiting ring.

[0008] In the preferred technical scheme of the above nasal oxygen tube winding mechanism, the cross section of the winding rod is arc-shaped.

[0009] In the preferred technical scheme of the above nasal oxygen tube winding mechanism, a rubber air bag is arranged in the notch.

[0010] In the preferred technical scheme of the nasal oxygen tube winding mechanism, the winding rod is sprayed with a polytetrafluoroethylene coating on the surface.

[0011] In the preferred technical scheme of the nasal oxygen tube winding mechanism, the side edge of the winding rod is formed with a rounded corner.

[0012] In a second aspect, the utility model also provides a winding equipment, the winding equipment includes the nasal oxygen tube winding mechanism.

[0013] The utility model discloses the beneficial effects are: the notch of winding rod end is used to the one end of nasal oxygen tube is connected, and the rotation of winding rod is driven with the help of second drive device to wind the nasal oxygen tube on winding rod, realizes the automation winding, has the characteristics of high winding forming efficiency, after winding is completed, the rotation of bidirectional screw is controlled with first drive device, to make two limit annular ring away from each other, make winding rod move towards the side close to bidirectional screw rod, realize the relaxation of winding rod for the nasal oxygen tube of winding forming, and it is convenient for staff to take down. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 It is the whole schematic diagram of the utility model.

[0016] In the drawing: bidirectional screw rod 1, first drive device 2, winding rod 31, locking structure 311, limit annular ring 32, support rod 33, base plate 34, light rod 35, second drive device 4. DETAILED DESCRIPTION

[0017] The preferred embodiments of the utility model will be described below with reference to the drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the utility model, and are not intended to limit the protection scope of the utility model.

[0018] It should be noted that in the description of the utility model, the terms "upper", "lower", "left", "right", "front", "back" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and is not intended to indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0019] Moreover, it needs to be explained that, in the description of the utility model, unless another explicit provision and limitation, the term "arrangement", "connection", "connection" should be broad understanding, for example, can be fixed connection, can also be detachable connection, or integral connection. For the person skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0020] Referring to Figures 1 to 2 The nasal oxygen tube winding mechanism of the utility model includes: bidirectional screw rod 1, bidirectional screw rod 1 is driven to rotate by first driving device 2, bidirectional screw rod 1 has positive thread and reverse thread;Supporting and expanding assembly, supporting and expanding assembly is configured on bidirectional screw rod 1, at least two groups of winding rods 31 are uniformly configured on the outer circumferential side of bidirectional screw rod 1 with bidirectional screw rod 1 as the center, at least two groups of winding rods 31 can be synchronized to approach or away from bidirectional screw rod 1 when bidirectional screw rod 1 rotates, and the two ends of winding rod 31 have locking structure 311 for locking nasal oxygen tube;Second driving device 4 is used to drive first driving device 2 and bidirectional screw rod 1 to rotate synchronously.

[0021] Referring to Figure 1 First driving device 2 can be servo motor, and second driving device 4 can be rotary cylinder, first driving device 2 is driven to rotate by second driving device 4, and then the winding rod 31 controlled by first driving device 2 can rotate synchronously with first driving device 2;Supporting and expanding assembly includes at least two groups of winding rods 31, and the two groups of winding rods 31 are uniformly arranged on the outer circumferential side of bidirectional screw rod 1 with the central axis of bidirectional screw rod 1 as the center, when bidirectional screw rod 1 rotates clockwise or counterclockwise, at least two groups of winding rods 31 can be driven to approach or away from each other.

[0022] Specifically, when winding and assembling the nasal oxygen tube, first, one end of the nasal oxygen tube is clamped in the locking structure 311 at one end of the winding rod 31, then, the first driving device 2 and the bidirectional screw rod 1 are controlled to rotate by the second driving device 4, and at least two groups of winding rods 31 rotate synchronously, since one end of the nasal oxygen tube is fixed in the locking structure 311 at one end of the winding rod 31, at this time, the nasal oxygen tube can be wound on at least two groups of winding rods 31, after winding is completed, the winding rod 31 is controlled to stop rotating, and the other end of the nasal oxygen tube is clamped in the locking structure 311 at the end of the winding rod 31 away from the first driving device 2, after the nasal oxygen tube is bound by the binding belt, the bidirectional screw rod 1 drives at least two groups of winding rods 31 to approach the bidirectional screw rod 1 by the first driving device 2 controlling the bidirectional screw rod 1 to rotate, through the arrangement, the supported and expanded nasal oxygen tube can be in a relaxed state, then, the nasal oxygen tube clamped in the locking structure 311 at both ends of the winding rod 31 is taken out, the winding step of the nasal oxygen tube can be realized, has the characteristics of high winding efficiency and consistent forming, and has practicality.

[0023] In one or more embodiments, the locking structure 311 is a notch formed at both ends of the winding rod 31, and the inner diameter of the notch is smaller than the outer diameter of the nasal oxygen tube.

[0024] Referring to Figure 2 , by configuring the notch to be smaller than the outer diameter of the nasal oxygen tube, the end of the nasal oxygen tube can enter the notch at both ends of the winding rod 31, and the nasal oxygen tube and the notch can be in interference fit, thereby improving the stability of the nasal oxygen tube being clamped.

[0025] In one or more embodiments, the expansion assembly further includes a first support structure configured on the forward thread and a second support structure configured on the reverse thread, and the first support structure and the second support structure each include a limiting ring 32 threadedly connected with the bidirectional screw rod 1 and a support rod 33 hingedly connected at both ends with the limiting ring 32 and the winding rod 31; the expansion assembly further includes a fixedly configured base plate 34, and the base plate 34 is configured with a light rod 35 on the side facing the winding rod 31, and the light rod 35 passes through the limiting ring 32.

[0026] Referring to Figure 1 , Figure 2 , the first support structure is configured on the forward thread of the bidirectional screw rod 1, and the second support structure is configured on the reverse thread of the bidirectional screw rod 1, and the first support structure and the second support structure each have a limiting ring 32 and a support rod 33, wherein the limiting ring 32 is threadedly connected with the bidirectional screw rod 1, and one end of the support rod 33 is hingedly connected to the limiting ring 32, and the other end of the support rod 33 is hingedly connected to the bottom of the winding rod 31; the position of the base plate 34 is relatively fixed, the light rod 35 is configured on the base plate 34, and the light rod 35 passes through the limiting ring 32 to limit the limiting ring 32.

[0027] Specifically, when the winding rod 31 is controlled to approach the bidirectional screw rod 1, the first driving device 2 is controlled to rotate the bidirectional screw rod 1 in the forward direction, and the two limiting rings 32 located on the forward thread and the reverse thread of the bidirectional screw rod 1 can move away from each other, at this time, under the drive of the support rod 33, the winding rod 31 moves in the direction approaching the bidirectional screw rod 1 to loosen the nasal oxygen tube wound on the winding rod 31; when the winding rod 31 is controlled to move away from the bidirectional screw rod 1, the first driving device 2 is controlled to rotate the bidirectional screw rod 1 in the reverse direction, and the two limiting rings 32 located on the forward thread and the reverse thread of the bidirectional screw rod 1 can move close to each other, and under the drive of the support rod 33, the winding rod 31 moves in the direction away from the bidirectional screw rod 1 to expand the nasal oxygen tube wound on the winding rod 31; through this arrangement, the nasal oxygen tube can be conveniently wound and taken, and the control of the winding radius of the nasal oxygen tube can be realized, which has the characteristics of simple structure and convenient operation.

[0028] In one or more embodiments, the cross section of the winding rod 31 is arc-shaped. Referring to Figure 1By the arrangement, the nasal oxygen tube wound on the winding rod 31 can be automatically moved to the middle position of the winding rod 31, so that the nasal oxygen tube can be gathered during the winding process, and the winding efficiency of the winding tube is improved.

[0029] In one or more embodiments, a rubber air bag is arranged in the gap. The rubber air bag is not shown in the drawings, and is placed in the gap, which can reduce the wear of the nasal oxygen tube and further improve the clamping effect of the gap at the end of the winding rod 31 on the nasal oxygen tube, thereby ensuring the stability of the nasal oxygen tube during the winding process.

[0030] In one or more embodiments, the surface of the winding rod 31 is sprayed with a polytetrafluoroethylene coating. It should be noted that the polytetrafluoroethylene coating has certain self-lubricating and anti-rust effects, which can reduce rust on the surface of the winding rod 31, thereby reducing the problem of adhesion of foreign matter during the winding process of the nasal oxygen tube.

[0031] In one or more embodiments, the side edges of the winding rod 31 are formed with rounded corners. By this arrangement, the wear of the nasal oxygen tube during the winding process can be reduced, and the use effect of the present application is improved.

[0032] In addition, the utility model provides a winding equipment, and the winding equipment has the nasal oxygen tube winding mechanism in any one of the above-mentioned embodiments.

[0033] The above embodiments are only for illustrating the technical concept and characteristics of the utility model, and the purpose is to enable those skilled in the art to understand the content of the utility model and implement it, and it cannot limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit and essence of the utility model should be covered within the protection scope of the utility model.

Claims

1. A nasal cannula winding mechanism, characterized by, The nasal oxygen tube winding mechanism comprises: a bidirectional screw rod driven to rotate by a first driving device, the bidirectional screw rod having a forward thread and a reverse thread; a support and expansion assembly arranged on the bidirectional screw rod, the support and expansion assembly having at least two groups of winding rods arranged uniformly around the outer periphery of the bidirectional screw rod with the axis of the bidirectional screw rod as the center, the at least two groups of winding rods being capable of synchronously approaching or moving away from the bidirectional screw rod when the bidirectional screw rod rotates, the two ends of the winding rods having clamping structures for locking the nasal oxygen tube; a second driving device for driving the first driving device and the bidirectional screw rod to rotate synchronously.

2. The nasal cannula winding mechanism of claim 1, wherein: The clamping structure is a notch opened at the two ends of the winding rod, the inner diameter of the notch being smaller than the outer diameter of the nasal oxygen tube.

3. The nasal cannula winding mechanism of claim 1, wherein: The support and expansion assembly further comprises a first support structure arranged on the forward thread and a second support structure arranged on the reverse thread, the first support structure and the second support structure each comprising a limiting ring threadedly connected with the bidirectional screw rod and a support rod hingedly connected with the limiting ring and the winding rod at the two ends thereof.

4. The nasal cannula winding mechanism of claim 3, wherein: The support and expansion assembly further comprises a fixedly arranged base plate, the base plate being arranged on the side facing the winding rod with a light rod, the light rod penetrating through the limiting ring.

5. The nasal cannula winding mechanism of claim 1 or 2, wherein: The cross section of the winding rod is arc-shaped.

6. The nasal cannula winding mechanism of claim 2, wherein: A rubber air bag is arranged in the notch.

7. The nasal cannula winding mechanism of claim 1, wherein: The surface of the winding rod is sprayed with a polytetrafluoroethylene coating.

8. The nasal cannula winding mechanism of claim 1, wherein: The side edge of the winding rod is formed with a round corner.

9. A winding apparatus characterized by comprising: The nasal oxygen tube winding mechanism according to any one of claims 1 to 8.

Images