Portable saliva cleaner and use method thereof

Abstract

The invention discloses a portable saliva cleaner and a using method thereof.The portable saliva cleaner comprises an electric negative pressure device, a sputum remaining needle cylinder, a sealing cover mechanism, a limiting mechanism and an extruding mechanism, the sealing cover mechanism is used for sealing the top of the sputum remaining needle cylinder, and the limiting mechanism is used for installing and connecting the sputum remaining needle cylinder and the electric negative pressure device; the extrusion mechanism is used for tightly installing the top of the sputum remaining needle cylinder. The top of the sputum remaining needle cylinder is inserted into the inner cavity of the mounting base in a penetrating mode, the fixing ring extrudes the inclined faces of the limiting blocks, so that the multiple limiting blocks slide towards the outer side, the fixing block compresses and deforms the compression spring, the multiple limiting blocks are used for limiting and fixing the top of the sputum remaining needle cylinder, and the movable ring is pressed downwards; the bottom end of an extrusion block is driven to extrude the inclined face of a connecting groove, so that a limiting block slides outwards, limiting and fixing of the top of the sputum remaining needle cylinder are relieved, the sputum remaining needle cylinder is disassembled, and the sputum remaining needle cylinder is convenient to install, disassemble and use.

Description

Technical Field

[0001] The present invention relates to the field of home-based elderly care, and in particular to a portable saliva cleaner and a use method thereof. Background Art

[0002] With the development of society, the issue of elderly care has always been a focus of attention, among which the care and physical therapy of the elderly at home are of paramount importance. As the elderly age, their organ functions decline, especially the respiratory system function declines. Saliva and phlegm are easily accumulated in the throat and mouth of the elderly, causing breathing difficulties. It is usually necessary to clean the accumulated saliva and phlegm.

[0003] The saliva and sputum cleaning devices commonly used in daily life are often manual and electric suction devices. When using a manual suction device, a person manually presses the suction device to generate suction, and uses a disposable syringe and suction tube to suction saliva and sputum. The suction device needs to be pressed repeatedly, which is time-consuming and labor-intensive. When using an electric suction device, a piston pump is used to draw out saliva and sputum through the suction tube, so that the saliva and sputum enter a liquid storage bottle. After use, the liquid storage bottle needs to be disassembled and cleaned, which increases the workload of the person and is inconvenient to use the suction device. Summary of the invention

[0004] The object of the present invention is to provide a portable saliva cleaner and a method of using the same to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a portable saliva cleaner, comprising an electric negative pressure device; A sputum retaining syringe, wherein the sputum retaining syringe is arranged at one end of the electric negative pressure device; A suction tube, one end of which is slidably and interlacedly connected with the bottom of the sputum retaining syringe; It also includes a capping mechanism, which is arranged on the top of the sputum retaining syringe, and is used to form a mounting structure on the top of the sputum retaining syringe and to seal the top of the sputum retaining syringe; A limiting mechanism, which is arranged at one end of the electric negative pressure device, and is used to form a clamping structure at one end of the electric negative pressure device and to install and connect the sputum retaining syringe with the electric negative pressure device; The squeezing mechanism is arranged on the limiting mechanism, and is used to form a compression structure on the limiting mechanism and to tightly install the top of the sputum retaining syringe.

[0006] Preferably, the capping mechanism comprises: A connector, the bottom of which is slidably and interlacedly connected with the top of the inner cavity of the sputum retaining syringe; A protrusion, the protrusion is arranged at the bottom of the connector, and the outer side wall of the protrusion is arranged in an arc shape; A rubber ring is fixedly connected to the bottom of the outer wall of the connector.

[0007] Preferably, the capping mechanism further comprises: A clamping groove, the clamping groove is arranged at the top of the inner wall of the sputum retaining syringe, and the inner cavity of the clamping groove is slidably interlaced with the protrusion; A tympanic membrane, the tympanic membrane is fixedly connected to the inner wall of the connecting head, and the tympanic membrane is made of elastic material; A sealing gasket is fixedly connected to the top of the inner wall of the connector.

[0008] Preferably, the limiting mechanism comprises: A mounting seat, the mounting seat is arranged at one end of the electric negative pressure device, and the inner cavity of the mounting seat is slidably connected with the top of the sputum retaining syringe; A fixed tube, one end of which is fixedly connected to the top of the mounting seat, and the other end of which is fixedly connected to one end of the electric negative pressure device; A fixing ring, the fixing ring is fixedly and interlacedly connected with the top of the sputum retaining syringe; A limit block, one end of which is slidably and interlacedly connected with the mounting seat, and an upper surface of one end of the limit block is fitted with a lower surface of the fixing ring.

[0009] Preferably, the limiting mechanism further includes: A movable ring, the movable ring is slidably and interlacedly connected with the mounting seat; Movable grooves, which are arranged in an annular array at equal intervals at the bottom of the movable ring, and the inner cavity of the movable groove is slidably interlaced with the other end of the limit block; An extrusion block, the top of which is fixedly connected to the top of the inner wall of the movable ring, and the bottom of which is arranged in an inclined surface; A connecting groove is arranged at the other end of the limiting block, and an inner cavity of the connecting groove is slidably interlaced with the bottom of the extrusion block.

[0010] Preferably, the limiting mechanism further includes: Mounting grooves, which are arranged in an annular array on the inner wall of the movable ring, and are arranged above the limit block; A fixed block, the bottom end of which is fixedly connected to the upper surface of one end of the limiting block; A compression spring is arranged in the inner cavity of the installation groove.

[0011] Preferably, the extrusion mechanism comprises: An extrusion ring, wherein the extrusion ring is slidably interlaced with the bottom of the fixed tube, and the bottom of the inner wall of the extrusion ring is arranged in an inclined surface; A connecting block, the lower surface of which is fixedly connected to one side of the upper surface of the extrusion ring; A sliding groove 1, wherein the sliding groove 1 is arranged on the connecting block, and the sliding groove 1 is arranged in a long strip shape.

[0012] Preferably, the extrusion mechanism further comprises: A movable rod, wherein the movable rod is arranged on one side of the extrusion ring; A mounting block, the top of which is fixedly connected to the top of the inner wall of the extrusion ring; A fixed shaft, the fixed shaft is fixedly interlaced with the movable rod, and one end of the fixed shaft is rotatably interlaced with the mounting block; A connecting shaft 1, wherein the connecting shaft 1 is fixedly interpenetratingly connected with one end of the movable rod, and one end of the connecting shaft 1 is slidably interpenetratingly connected with the inner cavity of the sliding groove 1; The second sliding groove is arranged at the other end of the movable rod, and the second sliding groove is arranged in a long strip shape.

[0013] Preferably, the extrusion mechanism further comprises: A connecting rod, wherein the connecting rod is arranged at one side of the inner cavity of the movable ring; A positioning block, one end of which is fixedly connected to one side of the inner wall of the movable ring, and the other end of which is slidably and interlacedly connected to the connecting rod; A second connecting shaft is fixedly and insertedly connected with the top of the connecting rod, and one end of the second connecting shaft is slidably and insertedly connected with the inner cavity of the second sliding groove.

[0014] The present invention also provides a method for using a portable saliva cleaner, comprising the following specific steps: Step 1: First, the bottom of the connector is slidably inserted into the top of the inner cavity of the sputum-retaining syringe, and the connector is pressed to squeeze and deform the bottom of the connector, driving the protrusion to slide and insert into the inner cavity of the clamping groove, and the connector and the sputum-retaining syringe are installed and connected, and the top of the sputum-retaining syringe is sealed. The tympanic membrane in the inner cavity of the connector is sucked upward and deformed by the operation of the electric negative pressure device, and the air pressure in the inner cavity of the sputum-retaining syringe changes, so that the suction tube absorbs saliva into the inner cavity of the sputum-retaining syringe; Step 2: Then, the top of the sputum syringe and the connecting head are slidably inserted into the inner cavity of the mounting seat, driving the fixing ring to squeeze the inclined surface of the limit block, so that the multiple limit blocks slide outward, the fixed block compresses the compression spring, and the fixing ring moves to the upper position of the limit block. The top of the inner cavity of the connecting head is slidably inserted and connected with the bottom of the fixed tube, and the top of the sputum syringe and the fixing ring are limited and fixed by using multiple limit blocks, and the movable ring is pressed downward to drive the extrusion block to move downward, and the bottom end of the extrusion block is pressed against the inclined surface of the connecting groove, so that the limit block slides outward, releasing the limit fixation on the top of the sputum syringe, and the sputum syringe is disassembled; Step three: Then, by sliding the top of the sputum-retaining syringe into the inner cavity of the mounting seat, the upper surface of the fixed ring presses the bottom end of the connecting rod upward, and the top of the connecting rod drives the connecting shaft 2 to slide in the inner cavity of the sliding groove 2, pushing the movable rod to rotate around the fixed axis, one end of the movable rod rotates upward, and the other end of the movable rod rotates downward, driving the connecting shaft 1 to slide in the inner cavity of the sliding groove 1, squeezing the connecting block and the squeezing ring downward, so that the inclined surface of the inner wall of the squeezing ring squeezes and deforms against the top of the connector, and the top of the connector is pressed and fixed to ensure the stability and sealing of the connection between the connector and the fixed tube.

[0015] Technical effects and advantages of the present invention: The present invention utilizes a setting mode that matches a fixing ring, a limiting block, a connecting head, a fixing block, a compression spring, a movable ring, an extrusion block and a connecting groove, and the top of the sputum retaining syringe and the connecting head are slidably inserted into the inner cavity of the mounting seat, so that the fixing ring is driven to press the inclined surface of the limiting block, so that a plurality of limiting blocks slide toward the outside, the fixing block compresses and deforms the compression spring, and the top of the inner cavity of the connecting head is slidably inserted and connected with the bottom of the fixing tube, and a plurality of limiting blocks are used to limit and fix the top of the sputum retaining syringe and the fixing ring, and the movable ring is pressed downward to drive the extrusion block to move downward, and the bottom end of the extrusion block presses the inclined surface of the connecting groove, so that the limiting block slides toward the outside, and the limiting fixation of the top of the sputum retaining syringe is released, and the sputum retaining syringe is disassembled, so that the installation and disassembly of the sputum retaining syringe are convenient, and the use of the sputum retaining syringe is convenient; The present invention utilizes a setting mode in which a fixed ring, a connecting rod, a movable rod, an extrusion ring and a connecting head are matched. By sliding the top of the sputum retaining syringe into the inner cavity of the mounting seat, the upper surface of the fixed ring presses the bottom end of the connecting rod upward, and the top of the connecting rod drives the second connecting shaft to slide in the inner cavity of the second sliding groove, pushing the movable rod to rotate around the fixed shaft, driving the first connecting shaft to slide in the inner cavity of the first sliding groove, and pressing the connecting block and the extrusion ring downward, so that the inclined surface of the inner wall of the extrusion ring is pressed and deformed against the top of the connecting head, and the top of the connecting head is pressed and fixed, thereby ensuring the stability and sealing of the connection between the connecting head and the fixed pipe; The present invention utilizes a configuration mode in which the sputum retaining syringe, a connecting head, a protrusion, a snap-fit ​​groove and an eardrum are matched with each other. The bottom of the connecting head is slidably inserted into the top of the inner cavity of the sputum retaining syringe, and the connecting head is pressed so that the bottom of the connecting head is squeezed and deformed, driving the protrusion to slide and insert into the inner cavity of the snap-fit ​​groove. The connecting head and the sputum retaining syringe are installed and connected, and the top of the sputum retaining syringe is sealed. The eardrum in the inner cavity of the connecting head is attracted and deformed upward by the operation of an electric negative pressure device, and the air pressure in the inner cavity of the sputum retaining syringe is changed, so that the suction tube absorbs saliva into the inner cavity of the sputum retaining syringe, thereby facilitating the suction of saliva. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 The present invention is a front sectional structural schematic diagram of the sputum retaining syringe.

[0018] Figure 3 It is a front cross-sectional structural schematic diagram of the connector of the present invention.

[0019] Figure 4 It is a front cross-sectional structural schematic diagram of the mounting seat of the present invention.

[0020] Figure 5 It is a front cross-sectional structural schematic diagram of the movable ring of the present invention.

[0021] Figure 6 For the present invention Figure 3 A is an enlarged structural diagram of FIG.

[0022] Figure 7 For the present invention Figure 5 Schematic diagram of the enlarged structure at B.

[0023] Figure 8 For the present invention Figure 4 Enlarged structural diagram at C.

[0024] In the figure: 1. electric negative pressure device; 2. sputum retaining syringe; 3. suction tube; 4. capping mechanism; 41. connector; 42. protrusion; 43. rubber ring; 44. snap-on groove; 45. tympanic membrane; 5. limiting mechanism; 51. mounting seat; 52. fixed tube; 53. fixed ring; 54. limiting block; 55. movable ring; 56. movable groove; 57. extrusion block; 58. connecting groove; 59. mounting groove; 510. fixing block; 511. compression spring; 6. extrusion mechanism; 61. extrusion ring; 62. connecting block; 63. sliding groove one; 64. movable rod; 65. mounting block; 66. connecting shaft one; 67. sliding groove two; 68. connecting rod; 69. positioning block; 610. connecting shaft two. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] The present invention provides Figure 1-8 A portable saliva cleaner is shown, comprising an electric negative pressure device 1, a sputum syringe 2, a suction tube 3, a capping mechanism 4, a limiting mechanism 5 and an extrusion mechanism 6. The electric negative pressure device 1 is electrically connected to a battery via an external switch, such as a negative pressure device of model JXX-DTI. Saliva is sucked by the operation of the electric negative pressure device 1. The sputum syringe 2 is arranged at one end of the electric negative pressure device 1. The sputum syringe 2 is used to collect saliva. One end of the suction tube 3 is slidably connected to the bottom of the sputum syringe 2. By arranging one end of the suction tube 3 inside the oral cavity, saliva is sucked. The saliva enters the inner cavity of the sputum syringe 2 along the suction tube 3. The capping mechanism 4 is arranged at the top of the sputum syringe 2. The capping mechanism 4 is used to form a mounting structure at the top of the sputum syringe 2 and squeeze the top of the sputum syringe 2. The sputum retaining syringe 2 is sealed by the capping mechanism 4, so as to ensure the sealing of the sputum retaining syringe 2, facilitate the suction of saliva, and prevent the saliva in the inner cavity of the sputum retaining syringe 2 from overflowing. The limiting mechanism 5 is arranged at one end of the electric negative pressure device 1, and the limiting mechanism 5 is used to form a clamping structure at one end of the electric negative pressure device 1 and to install and connect the sputum retaining syringe 2 with the electric negative pressure device 1. The sputum retaining syringe 2 and the electric negative pressure device 1 are connected by the limiting mechanism 5, and it is convenient to install and disassemble the sputum retaining syringe 2. The squeezing mechanism 6 is arranged on the limiting mechanism 5, and the squeezing mechanism 6 is used to form a clamping structure on the limiting mechanism 5 and to tightly install the top of the sputum retaining syringe 2. The tight connection between the sputum retaining syringe 2 and the electric negative pressure device 1 is ensured by the squeezing mechanism 6, so as to improve the stability and sealing of the connection.

[0027] Furthermore, the capping mechanism 4 includes a connector 41, a protrusion 42, a rubber ring 43, a snap-in groove 44, a tympanic membrane 45 and a sealing pad. The bottom of the connector 41 is slidably connected with the top of the inner cavity of the sputum syringe 2. The connector 41 is made of an elastic material and can be deformed to a certain extent to close the opening at the top of the sputum syringe 2. The protrusion 42 is arranged at the bottom of the connector 41, and the outer wall of the protrusion 42 is arranged in an arc shape. The protrusion 42 is arranged in a circular ring shape to ensure that the connector The rubber ring 43 is fixedly connected to the bottom of the outer wall of the connector 41, and the elastic effect of the rubber ring 43 is used to seal the gap between the inner wall of the sputum syringe 2 and the outer wall of the connector 41. The clamping groove 44 is arranged at the top of the inner wall of the sputum syringe 2, and the inner cavity of the clamping groove 44 is connected with the protrusion 42 through sliding. The clamping groove 44 is arranged in an annular shape. By pressing the connector 41, it is squeezed and deformed with the inner wall of the sputum syringe 2, and the protrusion 42 is slidably inserted into the clamping groove 44. In the inner cavity, the eardrum 45 is fixedly connected to the inner wall of the connector 41. The eardrum 45 is made of elastic material and can be deformed to a certain extent. When the electric negative pressure device 1 works, the eardrum 45 is attracted to deform upward, and the eardrum 45 is used to seal the top of the sputum syringe 2 to prevent saliva from overflowing. The sealing pad is fixedly connected to the top of the inner wall of the connector 41, and the inner wall of the sealing pad fits with the outer wall of the fixed tube 52. By sliding the bottom of the connector 41 into the inner cavity of the sputum syringe 2, the sputum syringe 2 can be sealed. At the top, the connector 41 is pressed so that the bottom of the connector 41 is squeezed and deformed, driving the protrusion 42 to slide and insert into the inner cavity of the snap-in groove 44, and the connector 41 and the sputum syringe 2 are installed and connected. The top of the sputum syringe 2 is sealed, and the electric negative pressure device 1 is used to operate to attract and deform the tympanic membrane 45 in the inner cavity of the connector 41 upward, and the air pressure in the inner cavity of the sputum syringe 2 changes, so that the suction tube 3 absorbs saliva into the inner cavity of the sputum syringe 2, which is convenient for suction of saliva.

[0028] Specifically, the limiting mechanism 5 includes a mounting seat 51, a fixed tube 52, a fixed ring 53, a limiting block 54, a movable ring 55, a movable groove 56, an extrusion block 57, a connecting groove 58, a mounting groove 59, a fixed block 510 and a compression spring 511. The mounting seat 51 is arranged at one end of the electric negative pressure device 1, and the inner cavity of the mounting seat 51 is slidably interlaced with the top of the sputum retaining syringe 2. The mounting seat 51 is used to install and fix the sputum retaining syringe 2. One end of the fixed tube 52 is fixedly interlaced with the top of the mounting seat 51, and the other end of the fixed tube 52 is fixedly connected to one end of the electric negative pressure device 1. The fixed tube 52 is L-shaped and is used to fix the mounting seat 51 to the electric negative pressure device 1. The fixed ring 53 is fixedly interlaced with the top of the sputum retaining syringe 2. The fixed ring 53 is used to fix the sputum retaining syringe 2. The top of the sputum-retaining syringe 2 is limited, one end of the limit block 54 is slidably and interlaced with the mounting seat 51, the upper surface of one end of the limit block 54 is fitted with the lower surface of the fixed ring 53, and the bottom of one end of the limit block 54 is arranged in an inclined surface, and the top of the sputum-retaining syringe 2 is slidably inserted into the inner cavity of the mounting seat 51, so that the fixed ring 53 presses the inclined surface of the limit block 54, and the limit block 54 slides outward, and the top of the fixed ring 53 and the sputum-retaining syringe 2 passes through multiple limit blocks 54, and the movable ring 55 is slidably and interlaced with the mounting seat 51. The movable ring 55 is used to drive multiple limit blocks 54 to move, and the movable grooves 56 are equidistantly arranged at the bottom of the movable ring 55 in an annular array, and the inner cavity of the movable groove 56 is slidably and interlaced with the other end of the limit block 54. 56 is used to install the limit block 54. The other end of the limit block 54 slides in the inner cavity of the movable groove 56 and limits the movable ring 55 so that it cannot rotate. The top of the extrusion block 57 is fixedly connected to the top of the inner wall of the movable ring 55. The bottom of the extrusion block 57 is arranged in an inclined surface. The extrusion block 57 moves with the movable ring 55 to extrude and move the limit block 54. The connecting groove 58 is arranged at the other end of the limit block 54. The inner cavity of the connecting groove 58 is slidably interlaced with the bottom of the extrusion block 57. One side of the inner wall of the connecting groove 58 is arranged in an inclined surface. The inclined surface of the extrusion block 57 fits with the inclined surface of the inner wall of the connecting groove 58, so that the extrusion block 57 squeezes the inner wall of the connecting groove 58. The installation grooves 59 are arranged in an annular array on the inner wall of the movable ring 55. The installation grooves 59 The mounting groove 59 is arranged above the limit block 54 and is used to install the compression spring 511. The bottom end of the fixing block 510 is fixedly connected to the upper surface of one end of the limit block 54. The fixing block 510 moves with the limit block 54 and slides in the inner cavity of the mounting groove 59. The compression spring 511 is arranged in the inner cavity of the mounting groove 59. When the fixing ring 53 presses the limit block 54, the limit block 54 drives the fixing block 510 to slide into the inner cavity of the mounting groove 59, and the compression spring 511 is squeezed and deformed. The elastic effect of the compression spring 511 is used to push the fixing block 510 and the limit block 54 back to the initial position. By sliding the top of the sputum retaining syringe 2 and the connector 41 into the inner cavity of the mounting seat 51, the fixing ring 53 is driven to press the inclined surface of the limit block 54.The plurality of limit blocks 54 slide outward, the fixed block 510 compresses and deforms the compression spring 511, the fixed ring 53 moves to the upper position of the limit block 54, the top of the inner cavity of the connector 41 is slidably connected with the bottom of the fixed tube 52, and the top of the sputum syringe 2 and the fixed ring 53 are limited and fixed by the plurality of limit blocks 54, and the movable ring 55 is pressed downward to drive the extrusion block 57 to move downward, and the bottom end of the extrusion block 57 presses the inclined surface of the connecting groove 58, so that the limit block 54 slides outward, releasing the limit fixation on the top of the sputum syringe 2, and the sputum syringe 2 is disassembled, which is convenient for the installation and disassembly of the sputum syringe 2.

[0029] In particular, the extrusion mechanism 6 includes an extrusion ring 61, a connecting block 62, a sliding groove 1 63, a movable rod 64, a mounting block 65, a fixed shaft, a connecting shaft 1 66, a sliding groove 2 67, a connecting rod 68, a positioning block 69 and a connecting shaft 2 610. The extrusion ring 61 is slidably interlaced with the bottom of the fixed tube 52. The bottom of the inner wall of the extrusion ring 61 is arranged in an inclined surface. The extrusion ring 61 slides in the vertical direction along the bottom of the fixed tube 52 to extrude the top of the connector 41. The outer wall of the top of the connector 41 is arranged in an inclined surface. The inclined surface of the inner wall of the extrusion ring 61 is pressed against the inclined surface of the top of the connector 41. The lower surface of the connecting block 62 is fixedly connected to one side of the upper surface of the extrusion ring 61. The connecting block 62 is used to connect the movable rod 64. The sliding groove 1 63 is arranged on the connecting block 62, the sliding groove 63 is arranged in a long strip shape, the sliding groove 63 is used to install the connecting shaft 66, the movable rod 64 is arranged on one side of the extrusion ring 61, the movable rod 64 is used to drive the extrusion ring 61 to move in the vertical direction, the top of the mounting block 65 is fixedly connected to the top of the inner wall of the extrusion ring 61, the mounting block 65 is used to support and install the movable rod 64, the fixed shaft is fixedly inserted and connected with the movable rod 64, one end of the fixed shaft is rotatably inserted and connected with the mounting block 65, the movable rod 64 rotates around the fixed shaft, the connecting shaft 66 is fixedly inserted and connected with one end of the movable rod 64, one end of the connecting shaft 66 is slidably inserted and connected with the inner cavity of the sliding groove 63, and the connecting shaft 66 moves with one end of the movable rod 64 , slides in the inner cavity of the sliding groove 1 63, the sliding groove 2 67 is arranged at the other end of the movable rod 64, the sliding groove 2 67 is arranged in a long strip shape, the sliding groove 2 67 is used to install the connecting shaft 2 610, the connecting rod 68 is arranged on one side of the inner cavity of the movable ring 55, the connecting rod 68 is used to drive the other end of the movable rod 64 to move, one end of the positioning block 69 is fixedly connected to one side of the inner wall of the movable ring 55, the other end of the positioning block 69 is slidably inserted and connected with the connecting rod 68, the positioning block 69 is used to install the connecting rod 68, so that the connecting rod 68 can move stably in the vertical direction, the connecting shaft 2 610 is fixedly inserted and connected with the top of the connecting rod 68, one end of the connecting shaft 2 610 is slidably inserted and connected with the inner cavity of the sliding groove 2 67, the connecting shaft 2 610 As the top of the connecting rod 68 moves together, it squeezes the inner wall of the sliding groove 67, pushing the movable rod 64 to rotate around the fixed axis, and by sliding the top of the sputum retention syringe 2 into the inner cavity of the mounting seat 51, the upper surface of the fixed ring 53 squeezes the bottom end of the connecting rod 68 upward, and the top of the connecting rod 68 drives the connecting shaft 2 610 to slide in the inner cavity of the sliding groove 67, pushing the movable rod 64 to rotate around the fixed axis, driving the connecting shaft 1 66 to slide in the inner cavity of the sliding groove 1 63, squeezing the connecting block 62 and the squeezing ring 61 downward, so that the inclined surface of the inner wall of the squeezing ring 61 squeezes and deforms against the top of the connecting head 41, and the top of the connecting head 41 is pressed and fixed, ensuring the stability and sealing of the connection between the connecting head 41 and the fixed tube 52.

[0030] Method of use of the present invention: First, the bottom of the connector 41 is slidably inserted into the top of the inner cavity of the sputum-retaining syringe 2, and the connector 41 is pressed to squeeze and deform the bottom of the connector 41, driving the protrusion 42 to slide and insert into the inner cavity of the clamping groove 44, and the connector 41 and the sputum-retaining syringe 2 are installed and connected, and the top of the sputum-retaining syringe 2 is sealed. The operation of the electric negative pressure device 1 is used to attract and deform the tympanic membrane 45 in the inner cavity of the connector 41 upward, and the air pressure in the inner cavity of the sputum-retaining syringe 2 changes, so that the suction tube 3 absorbs saliva into the inner cavity of the sputum-retaining syringe 2; Then, by sliding and inserting the top of the sputum-retaining syringe 2 and the connecting head 41 into the inner cavity of the mounting seat 51, the fixing ring 53 is driven to squeeze the inclined surface of the limiting block 54, so that the multiple limiting blocks 54 slide outward, the fixing block 510 compresses and deforms the compression spring 511, and the fixing ring 53 moves to the upper position of the limiting block 54. The top of the inner cavity of the connecting head 41 is slidably inserted and connected with the bottom of the fixing tube 52. The top of the sputum-retaining syringe 2 and the fixing ring 53 are limited and fixed by using the multiple limiting blocks 54, and the movable ring 55 is pressed downward to drive the squeezing block 57 to move downward. The bottom end of the squeezing block 57 squeezes the inclined surface of the connecting groove 58, so that the limiting block 54 slides outward, releasing the limiting fixation on the top of the sputum-retaining syringe 2, and the sputum-retaining syringe 2 is disassembled; Next, by sliding the top of the sputum-retaining syringe 2 into the inner cavity of the mounting seat 51, the upper surface of the fixed ring 53 presses the bottom end of the connecting rod 68 upward, and the top of the connecting rod 68 drives the connecting shaft 2 610 to slide in the inner cavity of the sliding groove 2 67, pushing the movable rod 64 to rotate around the fixed axis, one end of the movable rod 64 rotates upward, and the other end of the movable rod 64 rotates downward, driving the connecting shaft 1 66 to slide in the inner cavity of the sliding groove 1 63, squeezing the connecting block 62 and the squeezing ring 61 downward, so that the inclined surface of the inner wall of the squeezing ring 61 squeezes and deforms against the top of the connecting head 41, and the top of the connecting head 41 is pressed and fixed, ensuring the stability and sealing of the connection between the connecting head 41 and the fixed tube 52.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable saliva cleaner, comprising an electric negative pressure device (1); A sputum retaining syringe (2), wherein the sputum retaining syringe (2) is arranged at one end of the electric negative pressure device (1); A suction tube (3), one end of the suction tube (3) being slidably interlaced and connected with the bottom of the sputum retaining syringe (2); It is characterized in that It also comprises a capping mechanism (4), the capping mechanism (4) being arranged on the top of the sputum retaining syringe (2), the capping mechanism (4) being used to form a mounting structure on the top of the sputum retaining syringe (2) and to seal the top of the sputum retaining syringe (2); a limiting mechanism (5), the limiting mechanism (5) being arranged at one end of the electric negative pressure device (1), the limiting mechanism (5) being used to form a clamping structure at one end of the electric negative pressure device (1) and to mount and connect the sputum retaining syringe (2) to the electric negative pressure device (1); A squeezing mechanism (6), wherein the squeezing mechanism (6) is arranged on the limiting mechanism (5), and the squeezing mechanism (6) is used to form a compression structure on the limiting mechanism (5) and to tightly mount the top of the sputum retaining syringe (2).

2. A portable saliva cleaner according to claim 1, characterized in that: The capping mechanism (4) comprises: A connector (41), the bottom of the connector (41) being slidably interlaced with the top of the inner cavity of the sputum retaining syringe (2); A protrusion (42), wherein the protrusion (42) is arranged at the bottom of the connector (41), and an outer side wall of the protrusion (42) is arranged in an arc shape; A rubber ring (43), wherein the rubber ring (43) is fixedly connected to the bottom of the outer wall of the connecting head (41).

3. A portable saliva cleaner according to claim 2, characterized in that: The capping mechanism (4) further comprises: A snap-fit ​​groove (44), the snap-fit ​​groove (44) being arranged at the top of the inner wall of the sputum retaining syringe (2), the inner cavity of the snap-fit ​​groove (44) being slidably interlaced with the protrusion (42); A tympanic membrane (45), the tympanic membrane (45) being fixedly connected to the inner wall of the connecting head (41), and the tympanic membrane (45) being made of an elastic material; A sealing gasket, wherein the sealing gasket is fixedly connected to the top of the inner wall of the connector (41).

4. A portable saliva cleaner according to claim 3, characterized in that: The limiting mechanism (5) comprises: A mounting seat (51), the mounting seat (51) being arranged at one end of the electric negative pressure device (1), the inner cavity of the mounting seat (51) being slidably interlaced with the top of the sputum retaining syringe (2); A fixed tube (52), one end of the fixed tube (52) being fixedly connected to the top of the mounting seat (51) by insertion, and the other end of the fixed tube (52) being fixedly connected to one end of the electric negative pressure device (1); A fixing ring (53), the fixing ring (53) being fixedly interpenetratingly connected to the top of the sputum retaining syringe (2); A limit block (54), one end of which is slidably connected to the mounting seat (51), and an upper surface of one end of the limit block (54) is in contact with a lower surface of the fixing ring (53).

5. A portable saliva cleaner according to claim 4, characterized in that: The limiting mechanism (5) further comprises: A movable ring (55), the movable ring (55) being slidably interpenetratingly connected to the mounting seat (51); Movable grooves (56), the movable grooves (56) being arranged in an annular array at equal intervals at the bottom of the movable ring (55), the inner cavity of the movable grooves (56) being slidably interlaced with the other end of the limit block (54); An extrusion block (57), the top of the extrusion block (57) being fixedly connected to the top of the inner wall of the movable ring (55), and the bottom of the extrusion block (57) being arranged in an inclined surface; A connecting groove (58) is provided at the other end of the limiting block (54), and an inner cavity of the connecting groove (58) is slidably interlaced with the bottom of the extrusion block (57).

6. A portable saliva cleaner according to claim 5, characterized in that: The limiting mechanism (5) further comprises: Mounting grooves (59), the mounting grooves (59) being arranged in an annular array on the inner wall of the movable ring (55), and the mounting grooves (59) being arranged above the limit block (54); A fixed block (510), wherein the bottom end of the fixed block (510) is fixedly connected to the upper surface of one end of the limiting block (54); A compression spring (511), wherein the compression spring (511) is arranged in an inner cavity of the installation groove (59).

7. A portable saliva cleaner according to claim 6, characterized in that: The extrusion mechanism (6) comprises: An extrusion ring (61), the extrusion ring (61) being slidably interlaced with the bottom of the fixed tube (52), and the bottom of the inner wall of the extrusion ring (61) being arranged in an inclined surface; A connecting block (62), wherein a lower surface of the connecting block (62) is fixedly connected to one side of an upper surface of the extrusion ring (61); A sliding groove (63), wherein the sliding groove (63) is arranged on the connecting block (62), and the sliding groove (63) is arranged in a long strip shape.

8. The portable saliva cleaner according to claim 7, characterized in that: The extrusion mechanism (6) further comprises: A movable rod (64), wherein the movable rod (64) is arranged on one side of the extrusion ring (61); A mounting block (65), the top end of the mounting block (65) being fixedly connected to the top end of the inner wall of the extrusion ring (61); A fixed shaft, the fixed shaft being fixedly interpenetratingly connected to the movable rod (64), and one end of the fixed shaft being rotatably interpenetratingly connected to the mounting block (65); A connecting shaft (66), wherein the connecting shaft (66) is fixedly connected to one end of the movable rod (64), and one end of the connecting shaft (66) is connected to the inner cavity of the sliding groove (63) in a sliding manner; The second sliding groove (67) is arranged at the other end of the movable rod (64), and the second sliding groove (67) is arranged in a long strip shape.

9. The portable saliva cleaner according to claim 8, characterized in that: The extrusion mechanism (6) further comprises: a connecting rod (68), wherein the connecting rod (68) is arranged on one side of the inner cavity of the movable ring (55); a positioning block (69), one end of the positioning block (69) being fixedly connected to one side of the inner wall of the movable ring (55), and the other end of the positioning block (69) being slidably interlaced with the connecting rod (68); A second connecting shaft (610) is fixedly connected to the top of the connecting rod (68) through insertion, and one end of the second connecting shaft (610) is connected to the inner cavity of the second sliding groove (67) through insertion and sliding.

10. A method for using a portable saliva cleaner, characterized in that: The specific usage steps are as follows: Step 1: First, the bottom of the connector (41) is slidably inserted into the top of the inner cavity of the sputum-retaining syringe (2), and the connector (41) is pressed so that the bottom of the connector (41) is squeezed and deformed, driving the protrusion (42) to slide and insert into the inner cavity of the clamping groove (44), installing and connecting the connector (41) and the sputum-retaining syringe (2), sealing the top of the sputum-retaining syringe (2), and using the operation of the electric negative pressure device (1) to suck the eardrum (45) in the inner cavity of the connector (41) upward to deform it, so that the air pressure in the inner cavity of the sputum-retaining syringe (2) changes, so that the suction tube (3) absorbs saliva into the inner cavity of the sputum-retaining syringe (2); Step 2: Then, the top of the sputum-retaining syringe (2) and the connecting head (41) are slidably inserted into the inner cavity of the mounting seat (51), driving the fixing ring (53) to press against the inclined surface of the limiting block (54), so that the plurality of limiting blocks (54) slide outward, the fixing block (510) compresses and deforms the compression spring (511), the fixing ring (53) moves to the upper position of the limiting block (54), the top of the inner cavity of the connecting head (41) and the bottom of the fixing tube (52) are slidably inserted and connected, the top of the sputum-retaining syringe (2) and the fixing ring (53) are limited and fixed by using the plurality of limiting blocks (54), and the movable ring (55) is pressed downward to drive the extrusion block (57) to move downward, the bottom end of the extrusion block (57) presses against the inclined surface of the connecting groove (58), so that the limiting block (54) slides outward, the limiting fixation of the top of the sputum-retaining syringe (2) is released, and the sputum-retaining syringe (2) is disassembled; Step 3: Then, the top of the sputum-retaining syringe (2) is slidably inserted into the inner cavity of the mounting seat (51), and the upper surface of the fixed ring (53) presses the bottom end of the connecting rod (68) upwardly. The top of the connecting rod (68) drives the connecting shaft 2 (610) to slide in the inner cavity of the sliding groove 2 (67), pushing the movable rod (64) to rotate around the fixed axis. One end of the movable rod (64) rotates upward, and the other end of the movable rod (64) rotates downward, driving the connecting shaft 1 (66) to slide in the inner cavity of the sliding groove 1 (63), squeezing the connecting block (62) and the squeezing ring (61) downward, so that the inclined surface of the inner wall of the squeezing ring (61) squeezes and deforms against the top of the connector (41), and the top of the connector (41) is pressed and fixed, thereby ensuring the stability and sealing of the connection between the connector (41) and the fixed tube (52).

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