Diameter-variable silent saliva suction tube

Abstract

The utility model relates to a variable-diameter silent saliva suction tube which comprises a connecting tube body, the bottom of the connecting tube body is fixedly connected with a hard tube, the outer ring of the hard tube is connected with a hose in a sliding manner, and the top of the hose is provided with an adjusting mechanism for adjusting the diameter; the adjusting mechanism comprises a working frame, the bottom of the working frame is fixedly connected with a mounting base, a servo motor is fixedly connected into an inner cavity of the mounting base, the top of an output shaft of the servo motor is fixedly connected with a one-way lead screw, and the servo motor provides driving force for diameter adjustment. The saliva tube has the beneficial effects that the servo motor is matched with the one-way screw rod, the servo motor is started, the one-way screw rod is driven by the servo motor to rotate, the sliding block can be driven to ascend and descend by starting the servo motor, the hose can be integrally arranged on the outer ring of the hard tube in a sleeving manner, and when the saliva tube is used again, saliva does not pass through the hose; the saliva is extracted through the hard tube and the connecting tube body, so that the flow rate of the saliva is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a silent saliva suction tube with variable diameter. Background Art

[0002] Oral care is the cleaning and protection of the teeth, tongue, palate, cheeks and other parts of the oral cavity. When doctors perform oral treatment on patients, they need to use a saliva suction tube to clean the saliva, blood and water produced during the grinding process in the patient's mouth to keep the operating field clear.

[0003] After searching, the Chinese patent number CN218305191U discloses a variable diameter saliva suction tube, which relates to the technical field of medical instruments. The saliva suction tube includes an outer tube and an inner tube; the outer tube and the inner tube are straight tubes with circular radial cross-sections, and a cone tube with a thick upper part and a thin lower part is fixed at the lower end of the outer tube, and the upper end of the cone tube is butted with the lower end of the outer tube. The tube wall of the cone tube is elastic, so that the diameter of the cone tube can be radially expanded; the inner tube is inserted into the tube cavity of the outer tube from top to bottom, and the inner tube and the outer tube are slidably matched, and a handle is fixed on the upper part of the inner tube, and the distance between the handle and the lower end of the inner tube is A, and the sum of the lengths of the outer tube and the cone tube is B, and A≥B, and the inner diameter of the lower end of the inner tube is greater than the inner diameter of the lower end of the cone tube. The saliva suction tube provided by the utility model is used for saliva suction in the oral department.

[0004] The existing saliva suction tube is generally changed in diameter by the staff manually, but the operation is cumbersome and the manual diameter change is unstable. Secondly, the frequent diameter change process will also increase the labor burden of the staff. Based on this, the utility model designs a silent saliva suction tube with a variable diameter to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a silent saliva suction tube with a variable diameter, which solves the technical problem of complicated manual diameter change.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0009] The embodiment of the utility model provides a silent saliva suction tube with variable diameter, comprising a connecting tube body, the bottom of which is fixedly connected to a hard tube, the outer ring of which is slidably connected to a soft tube, and the top of which is equipped with an adjustment mechanism for adjusting the diameter.

[0010] The adjustment mechanism includes a working frame, a mounting seat is fixedly connected to the bottom of the working frame, a servo motor is fixedly connected to the inner cavity of the mounting seat, a one-way screw is fixedly connected to the top of the servo motor output shaft, and the servo motor provides driving force for diameter adjustment.

[0011] Optionally, the servo motor and the one-way screw are rotationally connected via a coupling, and the outer ring of the one-way screw is threadedly connected to a lifting block.

[0012] Optionally, a sliding groove is provided in the inner cavity of the working frame, a sliding block is slidably connected in the inner cavity of the sliding groove, and the sliding block is fixedly connected to the lifting block.

[0013] Optionally, the sliding grooves are provided in two groups and are symmetrically distributed on the working frame, and the sliding blocks are provided in two groups and are symmetrically distributed on the working frame.

[0014] Optionally, a sealing plate is hinged on one side of the working frame, a handle is fixedly connected to the back of the sealing plate, a limiting rod is fixedly connected to the inner cavity of the working frame, the limiting rod is inserted into the inner cavity of the lifting block, and two groups of limiting rods are arranged and symmetrically distributed.

[0015] Optionally, a fixing piece is installed between the sliders, the slider and the fixing piece are connected via a hinge, and the fixing piece is fixedly connected to the top of the hose.

[0016] Optionally, a working plate is fixedly connected to the top of the working frame, a flow valve is fixedly connected to one side of the working plate, and the working plate is sleeved on the outer ring of the hard pipe.

[0017] (III) Beneficial effects

[0018] The beneficial effects of the utility model are:

[0019] 1. The utility model cooperates with a servo motor and a one-way screw rod. When the servo motor is started, the servo motor drives the one-way screw rod to rotate. When the servo motor is started, the slider can be driven to rise and fall. The entire hose can be mounted on the outer ring of the hard tube. When the saliva tube is used, the saliva does not pass through the hose, but is drawn out through the hard tube and the connecting tube body in turn, thereby increasing the flow rate of the saliva.

[0020] 2. The utility model, through the cooperation of the servo motor and the one-way screw, can improve stability and avoid the increase in the workload of the staff caused by frequent diameter changes, compared with the manual pulling of the hose by the staff, and can also reduce noise on the other hand. The sealing plate provided can block the noise when the diameter of the saliva tube is adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1The figure is a schematic diagram of the overall structure of the variable-diameter silent saliva suction tube of the utility model;

[0022] Figure 2 It is a side view of the variable diameter silent saliva suction tube of the utility model;

[0023] Figure 3 It is a front view of the variable-diameter silent saliva suction tube of the utility model;

[0024] Figure 4 for Figure 1 Enlarged view of point A.

[0025] [Description of Reference Numerals]

[0026] 1. Connecting pipe body; 2. Hard pipe; 3. Hose; 4. Working frame; 5. Mounting seat; 6. Servo motor; 7. One-way screw; 8. Lifting block; 9. Sliding groove; 10. Sliding block; 11. Sealing plate; 12. Handle; 13. Limit rod; 14. Fixing part; 15. Working plate; 16. Flow valve. DETAILED DESCRIPTION

[0027] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below in conjunction with the accompanying drawings through specific implementation methods. Figure 1 The orientation is used as a reference.

[0028] The embodiment of the utility model solves the technical problem of complex manual diameter change. By starting the servo motor 6, the servo motor 6 drives the one-way screw 7 to rotate. Starting the servo motor 6 can drive the slider 10 to rise and fall, and the hose 3 can be entirely mounted on the outer ring of the hard tube 2. When the saliva tube is used, the saliva does not pass through the hose 3, but is drawn out through the hard tube 2 and the connecting tube body 1 in turn, thereby increasing the flow rate of the saliva.

[0029] In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a clearer and more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art. Example 1

[0030] Reference Figure 1-Figure 3A variable-diameter silent saliva suction tube comprises a connecting tube body 1, a hard tube 2 is fixedly connected to the bottom of the connecting tube body 1, a soft tube 3 is slidably connected to the outer ring of the hard tube 2, and an adjustment mechanism for diameter adjustment is installed on the top of the soft tube 3; the adjustment mechanism comprises a working frame 4, a mounting seat 5 is fixedly connected to the bottom of the working frame 4, a servo motor 6 is fixedly connected to the inner cavity of the mounting seat 5, a one-way screw 7 is fixedly connected to the top of the output shaft of the servo motor 6, and the servo motor 6 provides driving force for diameter adjustment.

[0031] The servo motor 6 is rotatably connected to the one-way screw 7 through a coupling, and the outer ring of the one-way screw 7 is threadedly connected to a lifting block 8. A sliding groove 9 is provided in the inner cavity of the working frame 4, and a slider 10 is slidably connected in the inner cavity of the sliding groove 9, and the slider 10 is fixedly connected to the lifting block 8.

[0032] In the embodiment of the utility model, the hose 3 is sleeved on the outer ring of the hard tube 2, and the end of the hose 3 extends to the outside of the hard tube 2. In actual use, the end of the hose 3 is aligned with the alveolar socket, and then saliva is extracted through the hose 3, the hard tube 2 and the connecting tube body 1 in turn, and the flow rate is controlled by the flow valve 16.

[0033] Since the hose 3 has a certain elasticity and its size is smaller than the hard tube 2, the flow rate of the saliva suction tube is slow at this time. When the diameter of the saliva tube needs to be adjusted, the servo motor 6 is started, and the servo motor 6 drives the one-way screw 7 to rotate. Since the lifting block 8 is threadedly connected to the outer ring of the one-way screw 7, and the slider 10 is fixed to the lifting block 8, the servo motor 6 can be started to drive the slider 10 to rise and fall, and the hose 3 is fixedly connected to the fixing member 14, so the hose 3 can be completely covered on the outer ring of the hard tube 2. When the saliva tube is used again, the saliva does not pass through the hose 3, but is drawn out through the hard tube 2 and the connecting tube body 1 in turn, thereby increasing the flow rate of the saliva. Example 2

[0034] Reference Figure 1-Figure 4 The sliding grooves 9 are provided with two groups and are symmetrically distributed with the working frame 4 , and the sliding blocks 10 are provided with two groups and are symmetrically distributed with the working frame 4 .

[0035] A sealing plate 11 is hinged on one side of the working frame 4, and a handle 12 is fixedly connected to the back of the sealing plate 11. A limiting rod 13 is fixedly connected in the inner cavity of the working frame 4, and the limiting rod 13 is inserted in the inner cavity of the lifting block 8. Two groups of limiting rods 13 are arranged and are symmetrically distributed.

[0036] A fixing member 14 is installed between the sliders 10, the sliders 10 and the fixing member 14 are connected by a hinge, and the fixing member 14 is fixedly connected to the top of the hose 3. A working plate 15 is fixedly connected to the top of the working frame 4, a flow valve 16 is fixedly connected to one side of the working plate 15, and the working plate 15 is sleeved on the outer ring of the hard tube 2.

[0037] In the embodiment of the utility model, the cooperation between the servo motor 6 and the one-way screw 7 can improve stability and reduce noise compared to the manual pulling of the hose 3 by the staff, and the provided sealing plate 11 can block the noise when the diameter of the saliva tube is adjusted. When maintenance is required, the staff can hold the handle 12 to move it, and the handle 12 is fixedly connected to the sealing plate 11, so the staff can hold the handle 12 to move and open the sealing plate 11, so that the staff can easily perform maintenance on the inside of the working frame 4.

[0038] In the description of the present utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0039] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, when a first feature is “on” or “below” a second feature, it may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above”, “above” or “above” a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is “below”, “below” or “below” a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0041] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0042] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A variable diameter silent saliva suction tube, comprising a connecting tube body (1), characterized in that: The bottom of the connecting pipe body (1) is fixedly connected to a hard pipe (2), the outer ring of the hard pipe (2) is slidably connected to a soft pipe (3), and the top of the soft pipe (3) is equipped with an adjustment mechanism for adjusting the diameter; The adjustment mechanism comprises a working frame (4), the bottom of the working frame (4) is fixedly connected to a mounting seat (5), the inner cavity of the mounting seat (5) is fixedly connected to a servo motor (6), the top of the output shaft of the servo motor (6) is fixedly connected to a one-way screw rod (7), and the servo motor (6) provides a driving force for diameter adjustment.

2. The variable-diameter silent saliva suction tube according to claim 1, characterized in that: The servo motor (6) and the one-way screw rod (7) are rotationally connected via a coupling, and the outer ring of the one-way screw rod (7) is threadedly connected to a lifting block (8).

3. The variable-diameter silent saliva suction tube according to claim 2, characterized in that: A sliding groove (9) is provided in the inner cavity of the working frame (4), a sliding block (10) is slidably connected in the inner cavity of the sliding groove (9), and the sliding block (10) is fixedly connected to the lifting block (8).

4. The variable-diameter silent saliva suction tube according to claim 3, characterized in that: The sliding grooves (9) are provided in two groups and are symmetrically distributed on the working frame (4); the sliding blocks (10) are provided in two groups and are symmetrically distributed on the working frame (4).

5. The variable diameter silent saliva suction tube according to claim 1, characterized in that: A sealing plate (11) is hingedly connected to one side of the working frame (4), a handle (12) is fixedly connected to the back of the sealing plate (11), a limiting rod (13) is fixedly connected to the inner cavity of the working frame (4), the limiting rod (13) is inserted into the inner cavity of the lifting block (8), and two groups of the limiting rods (13) are provided and are symmetrically distributed.

6. The variable-diameter silent saliva suction tube according to claim 3, characterized in that: A fixing member (14) is installed between the sliders (10); the slider (10) and the fixing member (14) are connected via a hinge; and the fixing member (14) is fixedly connected to the top of the hose (3).

7. The variable-diameter silent saliva suction tube according to claim 1, characterized in that: A working plate (15) is fixedly connected to the top of the working frame (4), a flow valve (16) is fixedly connected to one side of the working plate (15), and the working plate (15) is sleeved on the outer ring of the hard pipe (2).

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