A ventilator connecting tube fixing mechanism
By designing the threaded rod and limit bearing structure of the clamping assembly, the problem of unstable clamping of the ventilator connecting tube was solved, achieving stable clamping and convenient adjustment, and improving the fixation effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGZHIMEN HOSPITAL OF BEIJING UNIV OF CHINESE MEDICINE
- Filing Date
- 2025-01-10
- Publication Date
- 2026-05-26
AI Technical Summary
Existing ventilator connection tube fixing mechanisms cannot effectively clamp and fix the corrugated grooves of the ventilator connection tube, resulting in unstable clamping or damage.
A clamping assembly was designed, including a mounting plate, an arc plate, a sliding plate, a threaded rod, and a clamping plate. By rotating and moving the threaded rod, the clamping plate contacts the corrugated groove of the ventilator connecting tube to achieve stable clamping. The clamping stability is improved by the limit bearing and the limit plate.
It improves the clamping and fixing effect of the ventilator connecting tube, prevents detachment, enhances the structural stability of the components, and provides convenient angle adjustment and mobility.
Smart Images

Figure CN224269878U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of medical equipment technology, and in particular to a ventilator connecting tube fixing mechanism. Background Technology
[0002] The connecting tubes of ventilators are mostly made of rubber hoses, which are easily pulled out of the ventilator. Therefore, when using ventilator connecting tubes, a fixing mechanism is usually used to clamp and fix them. Existing fixing mechanisms often use a direct clamping method to clamp and fix the connecting tubes. Excessive clamping force can damage the connecting tubes, while insufficient clamping force can lead to unstable clamping. The clamping plate does not extend into the corrugated groove of the connecting tube to clamp and fix it, which reduces the clamping and fixing effect of the fixing mechanism on the connecting tubes.
[0003] A search of related technologies revealed a ventilator connection tube fixing mechanism (authorization announcement number CN219231103U) comprising a base, a telescopic rod assembly fixedly connected to the upper surface of the base, a placement box fixedly connected to one end of the telescopic rod assembly, a power assembly fixedly installed inside the placement box, and a clamping assembly threadedly connected to the outer surface of the power assembly. This ventilator connection tube fixing mechanism, through the power assembly and clamping assembly, requires an external power supply to start a servo motor during use. This motor drives gear A to rotate via a transmission rod, and gear B follows suit. The rotation of the forward and reverse threaded rods causes the clamping assembly to slide, clamping and fixing each ventilator tube individually to avoid confusion and interference with medical personnel's use. However, this mechanism does not consider the corrugated grooves on the outer surface of the ventilator connection tube, thus reducing the clamping and fixing effect of the fixing mechanism on the ventilator connection tube by clamping and fixing within these grooves. Utility Model Content
[0004] The purpose of this invention is to provide a ventilator connecting tube fixing mechanism to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a ventilator connecting tube fixing mechanism, comprising a clamping assembly for clamping the ventilator connecting tube, the clamping assembly including a mounting plate and two arc-shaped plates, the side of the arc-shaped plates having a sliding groove, the inner wall of the sliding groove of the arc-shaped plates being connected to two sliding plates, movable plates being welded to the two sides of the sliding plates, threaded blocks being embedded and fixedly connected to the sides of the sliding plates and the two movable plates, threaded blocks being threadedly connected to threaded rods, the end face of the threaded rods being interference-fitted with a limit bearing, the outer ring of the limit bearing being embedded and fixedly connected to a movable block, a clamping plate for clamping the ventilator connecting tube being welded to the side of the movable block, a limit plate being welded to the side of the movable block away from the clamping plate, and the side of the threaded block being slidably connected to the limit plate.
[0006] Preferably, a rotating block is welded to the end of the threaded rod away from the limit bearing, and a nut is threadedly connected to the threaded rod.
[0007] Preferably, the side of the nut abuts against the movable plate, and the adjacent sides of the two movable plates welded to the sides of the slide plate are slidably connected to the arc-shaped plate.
[0008] Preferably, the bottom surfaces of the two arc-shaped plates are welded to the mounting plate, and the bottom surface of the mounting plate has an annular groove, with several rotating rollers rotatably connected to the inner wall of the groove.
[0009] Preferably, a support plate is rolledly connected to the bottom surface of several rotating rollers, and a rotating rod is fixedly connected to the top surface of the support plate.
[0010] Preferably, the rotating rod has a fixed bearing that is interference-fitted to the side, and the outer ring of the fixed bearing is embedded and fixedly connected to the bottom of the mounting plate.
[0011] Preferably, a support rod is welded to the bottom surface of the support plate, and a base plate is welded to the bottom surface of the support rod.
[0012] Preferably, four equidistant casters are installed on the bottom surface of the base plate.
[0013] Compared with the prior art, the technical effects and advantages of this utility model are as follows:
[0014] This ventilator connecting tube fixing mechanism addresses the issue of the ventilator connecting tube being easily pulled during use, causing it to detach from the ventilator connection. A clamping assembly secures the connecting tube by moving a threaded rod along the threaded path of a threaded block. Two corresponding clamping plates contact the corrugated grooves of the connecting tube, preventing instability and improving the clamping effect. A limiting bearing allows for relative rotation between the threaded rod and the moving block, while the limiting plate moves along the through groove of the threaded block. This enhances the stability of the clamping plate's positional movement during transmission, thereby improving the structural stability of the fixing mechanism's components.
[0015] The ventilator connecting tube fixing mechanism features a base plate, support rod, and support plate for support. Four casters facilitate movement, improving usability. The support plate supports and fixes the rotating rod, while a fixed bearing secures its rotational position. This allows for relative rotation between the mounting plate and the rotating rod, adapting to the clamping angle requirements of the ventilator connecting tube and further enhancing usability. The mounting plate fixes the rotational position of several rotating rollers, allowing them to roll on the top surface of the support plate, providing support and improving the structural stability of the components while reducing the rotational resistance of the mounting plate. Attached Figure Description
[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the clamping assembly of this utility model;
[0019] Figure 3 For the present utility model Figure 2 Enlarged view of the structure at point A in the middle;
[0020] Figure 4 This is a schematic diagram of the clamping plate and threaded rod of this utility model;
[0021] Figure 5 This is a schematic diagram of the mounting plate of this utility model from another perspective.
[0022] Explanation of reference numerals in the attached figures:
[0023] In the diagram: 1. Clamping assembly; 2. Mounting plate; 3. Arc plate; 4. Slide plate; 5. Moving plate; 6. Threaded block; 7. Threaded rod; 8. Nut; 9. Limit bearing; 10. Moving block; 11. Clamping plate; 12. Limit plate; 13. Rotating block; 14. Rotating roller; 15. Fixed bearing; 16. Rotating rod; 17. Support plate; 18. Support rod; 19. Base plate; 20. Caster wheel. Detailed Implementation
[0024] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.
[0025] Unless otherwise defined, the directions mentioned herein, such as up, down, left, right, front, back, inside, and outside, are based on the directions shown in the figures of this utility model, and are explained here together.
[0026] The connection method can be any existing method, such as bonding, welding, or bolting, depending on the actual needs.
[0027] To address the issue of the ventilator connection tube fixation device failing to clamp and secure the ventilator connection tube within the corrugated groove, thus reducing the effectiveness of the fixation mechanism in securing the ventilator connection tube, please refer to [link to relevant documentation]. Figures 1 to 5 The structure of the device body is as follows: a clamping assembly 1 for clamping the ventilator connecting tube. The clamping assembly 1 provides clamping and fixing function for the ventilator connecting tube, preventing the ventilator connecting tube from detaching from the ventilator during pulling. The clamping assembly 1 includes a mounting plate 2 and two arc-shaped plates 3. The bottom surfaces of the two arc-shaped plates 3 are welded to the mounting plate 2. The mounting plate 2 provides support and fixing function for the two arc-shaped plates 3. The side of the arc-shaped plates 3 is provided with a sliding groove. The inner wall of the sliding groove of the arc-shaped plates 3 is connected to two sliding plates 4. The arc-shaped plates 3 provide initial fixing function for the movement path of the two sliding plates 4.
[0028] The two sides of the slide plate 4 are welded with movable plates 5 to realize the synchronous movement of the two movable plates 5 and the slide plate 4. The two movable plates 5 welded to the sides of the slide plate 4 are slidably connected to the arc plate 3, thereby improving the movement stability of the slide plate 4 and the movable plates 5. The slide plate 4 and the two movable plates 5 are embedded and fixedly connected with threaded blocks 6 to fix the position of the threaded blocks 6. The threaded blocks 6 are threadedly connected with threaded rods 7. During the rotation of the threaded rods 7, the threaded rods 7 move along the threaded path of the threaded blocks 6. The end face of the threaded rods 7 is interference-fitted with a limit bearing 9. The outer ring of the limit bearing 9 is embedded and fixedly connected with a movable block 10. The limit bearing 9 provides conditions for the relative rotation of the threaded rods 7 and the movable block 10. The movable block 10 is welded with a clamping plate 11 for clamping the ventilator connecting tube.
[0029] The two corresponding clamping plates 11 clamp and fix the connecting tube of the ventilator during the centripetal movement. At the same time, the clamping plates 11 contact the corrugated groove of the ventilator connecting tube, and the clamping position of the clamping plates 11 is adjusted to improve the clamping and fixing effect of the fixing mechanism on the ventilator connecting tube. The side of the moving block 10 away from the clamping plate 11 is welded with a limiting plate 12. The side of the threaded block 6 is slidably connected to the limiting plate 12. The side of the threaded block 6 is provided with a through groove, and the inner wall of the through groove of the threaded block 6 is slidably connected to the limiting plate 12. The threaded block 6 fixes the moving path of the limiting plate 12 and enhances the lateral positional stability of the clamping plate 11 during the transmission process.
[0030] A rotating block 13 is welded to the end of the threaded rod 7 away from the limit bearing 9. By manually rotating the rotating block 13, the threaded rod 7 is rotated. The threaded rod 7 is threadedly connected to a nut 8, which moves along the thread path of the threaded rod 7 during rotation. The side of the nut 8 abuts against the moving plate 5, and the contact surfaces of the nut 8 and the moving plate 5 are rough, so that the nut 8 and the moving plate 5 are tightly abutted. During the transmission process, the position of the clamping plate 11 is fixed, which improves the structural stability of the fixed mechanism components. The bottom surface of the mounting plate 2 is provided with an annular groove. Several rotating rollers 14 are rotatably connected to the inner wall of the groove of the mounting plate 2. The mounting plate 2 fixes the rotation position of the several rotating rollers 14. The bottom surface of the several rotating rollers 14 is rolledly connected to a support plate 17. During the rotation of the mounting plate 2, the several rotating rollers 14 roll on the top surface of the support plate 17, which provides initial support for the rotation of the mounting plate 2.
[0031] A rotating rod 16 is fixedly connected to the top surface of the support plate 17. A fixed bearing 15 is interference-fitted to the side of the rotating rod 16. The outer ring of the fixed bearing 15 is embedded and fixedly connected to the bottom of the mounting plate 2. The fixed bearing 15 fixes the rotation position of the rotating rod 16 and realizes the relative rotation of the rotating rod 16 and the mounting plate 2, providing conditions for the angle adjustment of the ventilator connecting rod clamped and fixed by the fixing mechanism. A support rod 18 is welded to the bottom surface of the support plate 17, and a base plate 19 is welded to the bottom surface of the support rod 18. The support plate 17, support rod 18 and base plate 19 provide support. Four equidistant casters 20 are installed on the bottom surface of the base plate 19. The four casters 20 facilitate the movement of the fixing mechanism and improve the ease of use of the fixing mechanism.
[0032] Working principle
[0033] In this ventilator connecting tube fixing mechanism, the user rotates the rotating block 13, causing the threaded rod 7 to move along the threaded path of the threaded block 6. During the centripetal movement of the two corresponding clamping plates 11, the rod contacts the corrugated groove of the ventilator connecting tube, clamping and fixing the ventilator connecting tube. The set limit bearing 9 realizes the relative rotation of the moving block 10 and the threaded rod 7, and the limit plate 12 moves along the through groove of the threaded block 6, so that the clamping plate 11 moves smoothly. At the same time, the slide plate 4 and the two moving plates 5 move along the path of the arc plate 3, clamping and fixing the ventilator connecting tube at the designated position.
[0034] During the rotation of the mounting plate 2, several rotating rollers 14 rolling on the top surface of the support plate 17 rotate within the annular groove of the mounting plate 2. Simultaneously, under the connection of the fixed bearing 15, the mounting plate 2 rotates around the rotating rod 16 as the axis.
[0035] It should be noted that, in this document, relational terms such as "one" and "two" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0036] 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 breathing machine connection tube fixing mechanism comprising a clamping assembly (1) for clamping a breathing machine connection tube, characterized by: The clamping assembly (1) includes a mounting plate (2) and two arc plates (3). The arc plates (3) have grooves on their sides. The inner wall of the grooves of the arc plates (3) is connected to two sliding plates (4). The sliding plates (4) have movable plates (5) welded to their sides. The sliding plates (4) and the two movable plates (5) are inlaid and fixedly connected to the sides of the sliding plates (4) and the two movable plates (5). Threaded blocks (6) are fixedly connected to the sides of the sliding plates (4) and the two movable plates (5). The threaded block (6) is threadedly connected to a threaded rod (7). The end face of the threaded rod (7) is interference-fitted with a limiting bearing (9). The outer ring of the limiting bearing (9) is fixedly connected to a moving block (10). The side of the moving block (10) is welded with a clamping plate (11) for clamping the ventilator connecting tube. The side of the moving block (10) away from the clamping plate (11) is welded with a limiting plate (12). The side of the threaded block (6) is slidably connected to the limiting plate (12).
2. The breathing apparatus connection tube fixing mechanism according to claim 1, characterized by: The threaded rod (7) has a rotating block (13) welded to the end away from the limit bearing (9), and the threaded rod (7) is threadedly connected to a nut (8).
3. The ventilator connecting tube fixing mechanism according to claim 2, characterized in that: The nut (8) abuts against the movable plate (5) on its side, and the two movable plates (5) welded to the sides of the slide plate (4) are slidably connected to the arc plate (3).
4. The ventilator connecting tube fixing mechanism according to claim 3, characterized in that: The bottom surfaces of the two arc-shaped plates (3) are welded to the mounting plate (2). The bottom surface of the mounting plate (2) is provided with an annular groove, and the inner wall of the groove of the mounting plate (2) is rotatably connected with several rotating rollers (14).
5. The ventilator connecting tube fixing mechanism according to claim 4, characterized in that: A support plate (17) is tumbledly connected to the bottom surface of several of the rotating rollers (14), and a rotating rod (16) is fixedly connected to the top surface of the support plate (17).
6. The ventilator connecting tube fixing mechanism according to claim 5, characterized in that: The rotating rod (16) has a fixed bearing (15) with an interference fit on its side, and the outer ring of the fixed bearing (15) is embedded and fixedly connected to the bottom of the mounting plate (2).
7. The ventilator connecting tube fixing mechanism according to claim 6, characterized in that: The bottom surface of the support plate (17) is welded with a support rod (18), and the bottom surface of the support rod (18) is welded with a base plate (19).
8. The ventilator connecting tube fixing mechanism according to claim 7, characterized in that: The bottom surface of the base plate (19) is equipped with four equidistant casters (20).