Multi-surface negative pressure water toothpick

By designing a U-shaped brush head and alternating brushing and rinsing structure for the multi-faceted negative pressure dental irrigator, the problems of incomplete cleaning of the inner sides of the teeth's cheeks and complex operation have been solved, achieving efficient and convenient dental cleaning while saving medical resources.

CN223845193UActive Publication Date: 2026-01-30丁姗姗
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Patent Information

Application Number
CN202520517682.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-01-30
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

Traditional toothbrushes cannot thoroughly clean the inside of the cheeks, and existing dental cleaning devices are complicated to operate and require multiple people to work together, which consumes medical resources and is difficult to meet the needs of patients who are resistant or fearful.

Method used

Design a multi-faceted negative pressure dental irrigator with a U-shaped brush head, silicone bristles on the inner and two sides, combined with a piston cylinder and one-way valve structure to achieve alternating brushing and rinsing operations, simplifying operation to one person.

Benefits of technology

It improves the cleaning effect of teeth and oral cavity, simplifies the operation process, saves medical resources, is suitable for one person to operate, reduces costs, and is easy to promote and use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multi-surface negative pressure water toothpick, which effectively solves the problems that the cleaning operation on teeth of a patient is troublesome and the cleaning effect on the inner sides of two cheeks of an oral cavity is poor at present. Comprising a brush head, a plurality of silica gel bristles are arranged on the inner side face, the left side face and the right side face of the brush head respectively, the front end of the brush head is detachably connected with a brush handle, the rear sides of two cavities of a double-cavity piston cylinder are communicated with transition pipes respectively, the rear side of the cavity on the left side of the double-cavity piston cylinder is communicated with a water injection pipe, and the rear side of the cavity on the right side of the double-cavity piston cylinder is communicated with a blow-off pipe; a plurality of through holes are formed in the middle, the left side wall and the right side wall of the brush head respectively, and the front side of the empty groove is communicated with two hard pipes; the toothbrush is ingenious in structure, the silica gel bristles on the inner side of the brush head can brush the occlusal surface of teeth, the two side faces of the teeth and tooth seams, the silica gel bristles on the outer side of the brush head can brush the inner sides of the two cheeks, and a structure capable of washing the teeth and sucking sewage alternately is combined, so that the tooth cleaning effect is improved, the brush head is convenient to replace, and the toothbrush is convenient to use. The popularization and use are easy.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to medical auxiliary instrument technical field, especially a multi -surface negative pressure tooth washer. BACKGROUND

[0002] The conventional toothbrush only has one side with bristles to clean teeth, has certain use limitation, cannot clean the contact surface of teeth and the inner side of two cheeks, makes the oral cavity secretion or food residue adhered to the inner side of two cheeks not completely cleaned, and easily causes oral cavity ulceration and the like discomfort.

[0003] Still some use the tooth washer to clean teeth deeply, but generally need a medical staff to hold the tooth washer to clean the teeth of the patient, another medical staff cooperates to use the negative pressure device to draw out the water cleaned in the oral cavity, can clean and negative pressure suction alternately, for the patient with resistance or fear psychology, still need the medical staff to press the patient's limbs, occupies more medical resources, and the operation is more troublesome, therefore, need to design a tooth washer with tooth brushing and flushing integration, improve the cleaning effect of teeth and oral cavity. UTILITARY MODEL CONTENT

[0004] In view of the above situation, in order to overcome the defects of prior art, the utility model aims at providing a multi -surface negative pressure tooth washer, effectively solve the current tooth cleaning operation of patient is troublesome, and the cleaning effect of the inner side of two cheeks of oral cavity is not good.

[0005] Its solution technical scheme is, the utility model discloses a U type and the brush head of opening downward, the inner side, left side and right side of brush head are equipped with a plurality of silica gel bristles respectively, and the brush handle is detachably connected to the front end of brush head, and the cavity is formed in the front side of brush handle, and the double-cavity piston cylinder with the opening forward is fixed in the cavity, and the piston plate is slidably connected in the left and right two chambers of double-cavity piston cylinder, and the two piston plates can simultaneously move forward and backward, and the rear side of the two chambers of double-cavity piston cylinder is communicated with the transition pipe respectively, and the rear side of the chamber of the left side of double-cavity piston cylinder is communicated with the water injection pipe and the rear side of the chamber of the right side is communicated with the sewage pipe, and the hollow slot is formed in the brush head, and a plurality of through holes distributed along the front and back direction are formed in the middle and left and right two side walls of brush head respectively, and the upper end of through hole is communicated with hollow slot and the lower end penetrates brush head, and the front side of hollow slot is communicated with two rigid pipes, and the front end of rigid pipe can be inserted into corresponding transition pipe.

[0006] Compared with the prior art, the utility model has the following beneficial effects.

[0007] The utility model discloses a clever structure, convenient to use, set up the brush head of U type and open downward, the silica gel bristle of brush head inboard can carry out the brushing of the occlusal surface of tooth, the two side surfaces of tooth and tooth gap, and the silica gel bristle of brush head outboard can carry out the brushing of two cheek inboard, and the structure of alternately tooth washing and sucking sewage can be combined, improve the cleaning effect of tooth, and simple operation can be operated by a medical staff, save medical resources, improve practicality.

[0008] The brush head and the brush handle are detachably connected, the brush head is convenient to replace, the brush handle can be repeatedly used, cost is saved, convenient to use, and the utility model discloses are easy to promote use. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the isometric view of the utility model.

[0010] Figure 2 It is the cutaway front view of the brush head in the utility model.

[0011] Figure 3 It is the cutaway plan view of the utility model.

[0012] Figure 4 It is the utility model Figure 3 The enlarged view of A.

[0013] Figure 5 It is the cutaway left view of the utility model.

[0014] Figure 6 It is the isometric view of the brush head in the utility model.

[0015] Figure 7 It is the isometric view of the brush handle in the utility model. CONCRETE IMPLEMENTING METHOD

[0016] The specific implementing manner of the utility model is further explained in detail in combination with the drawings.

[0017] By Figures 1 to 7The utility model provides a detachable toothbrush, including U type and open downward brush head 1, the inside, left side and right side of brush head 1 are equipped with a plurality of silica gel brush 2 respectively, detachably connected with brush handle 3 at the front end of brush head 1, the front side of brush handle 3 is provided with cavity, and the cavity is fixed with the double -cavity piston cylinder 4 of open front, and the double -cavity piston cylinder 4 is slidably connected with piston plate 5 in two chambers, and two piston plates 5 can simultaneously produce forward and backward movement, and the rear side of the two chambers of double -cavity piston cylinder 4 is communicated with transition pipe 6 respectively, and the rear side of the chamber of double -cavity piston cylinder 4 is communicated with water injection pipe 7 and the rear side of the chamber of double -cavity piston cylinder 4 is communicated with sewage pipe 8, and the brush head 1 is provided with the empty slot 9, and the upper wall of the left and right sides in the middle part of brush head 1 is provided with a plurality of through -holes 10 along the front and back direction distribution, and the upper end of through -hole 10 is communicated with empty slot 9 and the lower end penetrates brush head 1, and the front end of hard tube 11 is inserted into corresponding transition pipe 6.

[0018] In order to make brush handle 3 and brush head 1 realize detachable connection, the brush head 1 is provided with the rectangular slot 12 of open front, and the rear end of brush handle 3 is fixed with rectangular sleeve pipe 13, and rectangular sleeve pipe 13 is connected with rectangular slot 12 for interference fit.

[0019] In order to make two piston plates 5 can produce forward and backward movement, the front end of piston plate 5 is fixed with piston rod 14, and the front end of two piston rods 14 is connected through cross bar 15, and the opposite surface of two piston rods 14 is fixed with rack 16 respectively, and the cavity is fixed with the motor 17 of up and down axial direction, and the output shaft of motor 17 is fixed with intermittent gear 18, and intermittent gear 18 can be alternately engaged with two racks 16.

[0020] In order to make intermittent gear 18 can alternately engage with two racks 16, the front end of right rack 16 is located in front of left rack 16, and the number of teeth of two racks 16 is equal and equal with the number of teeth of intermittent gear 18.

[0021] In order to achieve better cleaning effect to teeth, the water suction one-way valve 19 of open towards double -cavity piston cylinder 4 is installed in water injection pipe 7, and the sewage discharge one-way valve 20 of open away from double -cavity piston cylinder 4 is installed in sewage pipe 8, and the flushing water suction one-way valve 22 of open towards double -cavity piston cylinder 4 is installed in the right transition pipe 6.

[0022] In order to improve the use effect, prevent water leakage or clean flushing water and sewage mixing, the hard tube 11 is connected with transition pipe 6 for interference fit.

[0023] The utility model discloses a tooth cleaning device, including the brush handle 3, the brush head 1, the transition pipe 6, the hard pipe 11, the air slot 9, the through hole 10, the piston plate 5, the piston rod 14, the rack 16, the intermittent gear 18, the motor 17, the water suction one-way valve 19, the sewage suction one-way valve 22, the flush water one-way valve 21, the sewage discharge one-way valve 20, the water injection pipe 7 and the sewage discharge pipe 8, its characterized in that: the brush handle 3 is connected with the brush head 1, the brush head 1 is connected with the transition pipe 6, the transition pipe 6 is connected with the hard pipe 11, the hard pipe 11 is connected with the air slot 9, the air slot 9 is connected with the through hole 10, the through hole 10 is connected with the piston plate 5, the piston plate 5 is connected with the piston rod 14, the piston rod 14 is connected with the rack 16, the rack 16 is connected with the intermittent gear 18, the intermittent gear 18 is connected with the motor 17, the motor 17 is connected with the water suction one-way valve 19, the water suction one-way valve 19 is connected with the sewage suction one-way valve 22, the sewage suction one-way valve 22 is connected with the flush water one-way valve 21, the flush water one-way valve 21 is connected with the sewage discharge one-way valve 20, the water injection pipe 7 is connected with the water source, and the sewage discharge pipe 8 is inserted into the collecting cylinder.

[0024] Meanwhile starting motor 17, motor 17 drive intermittent gear 18 generates clockwise rotation (reference specification attached drawing Figure 4 ), intermittent gear 18 and right side rack 16 meshing, so that the piston rod 14 of right side is driven by cross bar 15 and moves forward the piston rod 14 of left side, and piston plate 5 moves forward along with piston rod 14, so that the negative pressure in the two chambers of double-cavity piston cylinder 4 increases, and water suction one-way valve 19 and sewage suction one-way valve 22 open (flush water one-way valve 21 and sewage discharge one-way valve 20 are in closed state), and flushing water enters the chamber of left side through water injection pipe 7, and air enters the chamber of right side, when intermittent gear 18 and right side rack 16 disengage, along with the rotation of motor 17, begin to engage with left side rack 16, so that two piston rods 14 drive piston plate 5 to move backward, and the pressure in the two chambers increases, so that flush water one-way valve 21 and sewage discharge one-way valve 20 open (water suction one-way valve 19 and sewage suction one-way valve 22 are in closed state), and the water in the chamber of left side passes transition pipe 6, hard pipe 11 and enters air slot 9, and is discharged through through hole 10 to flush teeth.

[0025] When intermittent gear 18 and left side rack 16 disengage and engage with right side rack 16, piston plate 5 begins to move forward, and water suction one-way valve 19 and sewage suction one-way valve 22 open (flush water one-way valve 21 and sewage discharge one-way valve 20 are in closed state), and water is sucked into the chamber of left side, for the next time of flushing, at the same time, the sewage gathered in oral cavity is sucked into the chamber of right side through through hole 10, air slot 9, hard pipe 11 and transition pipe 6, when piston plate 5 moves backward again, flush water one-way valve 21 and sewage discharge one-way valve 20 open (water suction one-way valve 19 and sewage suction one-way valve 22 are in closed state), and the sewage in the chamber of right side is discharged into collecting cylinder through sewage discharge pipe 8, and flushing water continues to flush teeth, along with the continuous rotation of motor 17, the position of brush head 1 is moved by medical staff, to realize the brushing and intermittent flushing of teeth and two cheeks, and improve the cleaning effect of teeth and the inside of two cheeks.

[0026] The electric connection mode of motor 17 in the utility model adopts prior art, can adopt charging type, can also adopt power cord plug type, and will not be described in detail here.

Claims

1. Multi-surface negative pressure tooth washer, comprising a U-shaped brush head (1) with an opening facing downwards, characterized in that, The inside, left side and right side of the brush head (1) are respectively provided with a plurality of silica gel bristles (2), the front end of the brush head (1) is detachably connected with a brush handle (3), the front side of the brush handle (3) is provided with a cavity, the cavity is fixedly provided with a double-cavity piston cylinder (4) with the front opening, the left and right two chambers of the double-cavity piston cylinder (4) are respectively slidably connected with a piston plate (5), the two piston plates (5) can simultaneously move forward and backward, the rear sides of the two chambers of the double-cavity piston cylinder (4) are respectively communicated with a transition pipe (6), the rear side of the chamber on the left side of the double-cavity piston cylinder (4) is communicated with a water injection pipe (7) and the rear side of the chamber on the right side of the double-cavity piston cylinder (4) is communicated with a sewage discharge pipe (8), the brush head (1) is provided with a hollow groove (9), the middle part and the left and right two side walls of the brush head (1) are respectively provided with a plurality of through holes (10) distributed along the front and back directions, the upper ends of the through holes (10) are communicated with the hollow groove (9) and the lower ends of the through holes (10) penetrate through the brush head (1), the front side of the hollow groove (9) is communicated with two hard pipes (11), and the front ends of the hard pipes (11) can be inserted into the corresponding transition pipes (6).

2. The multi-sided negative pressure tooth washer according to claim 1, wherein, The brush head (1) is provided with a rectangular groove (12) with the front opening, the rear end of the brush handle (3) is fixedly provided with a rectangular sleeve (13), and the rectangular sleeve (13) is connected with the rectangular groove (12) in an interference fit.

3. The multi-sided negative pressure tooth washer according to claim 1, wherein, The front end of each piston plate (5) is fixedly provided with a piston rod (14), the front ends of the two piston rods (14) are connected through a cross rod (15), the opposite surfaces of the two piston rods (14) are respectively fixedly provided with a rack (16), a motor (17) is fixedly arranged in the cavity and extends in the upward and downward directions, an intermittent gear (18) is fixedly arranged on the output shaft of the motor (17), and the intermittent gear (18) can alternately engage with the two racks (16).

4. The multi-sided negative pressure tooth washer according to claim 3, wherein, The front end of the rack (16) on the right side is located in front of the rack (16) on the left side, the number of teeth of the two racks (16) is equal to the number of teeth of the intermittent gear (18).

5. The multi-sided negative pressure tooth washer of claim 1, wherein, The water injection pipe (7) is provided with a water suction one-way valve (19) with the opening facing the double-cavity piston cylinder (4), the sewage discharge pipe (8) is provided with a sewage discharge one-way valve (20) with the opening away from the double-cavity piston cylinder (4), the transition pipe (6) on the left side is provided with a flushing water one-way valve (21) with the opening away from the double-cavity piston cylinder (4), and the transition pipe (6) on the right side is provided with a sewage suction one-way valve (22) with the opening facing the double-cavity piston cylinder (4).

6. The multi-sided negative pressure tooth washer of claim 1, wherein, The hard pipes (11) and the transition pipes (6) are connected in an interference fit.