CN114947352A - Tooth cleaning tool - Google Patents

Abstract

The invention discloses a tooth cleaning tool, comprising: a brush handle; the fixed brush head is arranged at the front end of the brush handle and is provided with first bristles; the movable brush head is adjacent to the fixed brush head left and right and is arranged in a vertically staggered manner, and the movable brush head is provided with second bristles which are different from the first bristles in hardness; the first end of the adjusting rod is connected with the adjusting brush head, the second end of the adjusting rod penetrates through the front end of the brush handle and extends into the brush handle, and the middle part of the adjusting rod is rotatably arranged in the brush handle through a pin shaft; the exchange assembly comprises an ejector rod, the ejector rod is adjustably connected with the second end of the adjusting rod, the adjusting rod rotates and swings around the pin shaft by adjusting the second end of the ejector rod jacking and pressing the adjusting rod, the brush head is exchanged and adjusted to clean teeth, and the technical problem that one toothbrush in the prior art cannot exchange hard bristles and soft bristles to wash teeth is effectively solved.

Description

Tooth cleaning tool

Technical Field

The invention relates to the technical field of toothbrushes, in particular to a tooth cleaning tool.

Background

The toothbrush is a cleaning article, is a handle type brush, and keeps teeth white and oral hygiene by adding toothpaste on bristles and then repeatedly brushing each part of the teeth.

In the prior art, the bristles of a toothbrush are generally divided into hard bristles and soft bristles, and a common toothbrush is only provided with a brush head, that is, one toothbrush is only provided with one hard bristle or one soft bristle, so that the hard bristles and the soft bristles cannot be exchanged, and a user generally uses the toothbrush with the soft bristles.

Disclosure of Invention

The invention aims to provide a tooth cleaning tool, which solves the technical problem that one toothbrush in the prior art can not replace hard bristles and soft bristles to brush teeth.

In order to achieve the above object, the present invention provides a dental cleaning implement comprising:

a brush handle, a brush holder and a brush body,

the fixed brush head is arranged at the front end of the brush handle and is provided with first bristles;

the movable brush head and the fixed brush head are adjacent left and right and are arranged in a vertically staggered manner, the movable brush head is provided with second bristles, and the hardness degrees of the second bristles and the first bristles are different;

the first end of the adjusting rod is connected with the adjusting brush head, the second end of the adjusting rod penetrates through the front end of the brush handle and extends into the brush handle, and the middle part of the adjusting rod is rotatably arranged in the brush handle through a pin shaft;

the exchange assembly comprises a push rod, the push rod is adjustably connected with the second end of the adjusting rod, so that the adjusting rod rotates and swings around the pin shaft by adjusting the second end of the push rod in jacking and pressing mode, and the brush head is exchanged to clean teeth.

Further, the exchange assembly further comprises:

the spring with the ejector rod is located respectively the both sides of adjusting the second end of pole, just, the one end of spring with the brush holder inner wall offsets, the other end of spring with the bottom of adjusting the second end of pole offsets, the lower extreme of ejector rod with the top of adjusting the second end of pole offsets, the upper end slidable ground of ejector rod set up in the outside of brush holder to through promoting the ejector rod roof pressure the second end drive of adjusting the pole adjust the pole around the round pin axle carries out rotatory swing.

Furthermore, the outside of brush holder is provided with gear hole, gear hole follows the length direction of brush holder is provided with a plurality of gears, install the upper end of ejector pin in the gear hole to promote through following the extending direction in gear hole the ejector pin drive the adjustment brush head compare in the swing degree of fixed brush head.

Furthermore, the fixed brush head is provided with two brush heads, the movable brush head is provided with two brush heads, and the two brush heads of the fixed brush head and the two brush heads of the movable brush head are respectively and correspondingly arranged.

Further, the fixed brush head is replaceably mounted at the front end of the brush handle in a snap connection manner.

Further, the adjustable brush head is replaceably mounted at the first end of the adjustment rod in a snap-fit connection.

Furthermore, a connecting rod is arranged between the maneuvering brush head and the first end of the adjusting rod, and the connecting rod is provided with a bending part, so that the tail end of the second bristle of the maneuvered brush head after being exchanged is parallel to the axial direction of the brush handle through the bending part.

Furthermore, the length of the second bristles of the movable brush head is gradually increased from one end of the movable brush head to the other end of the movable brush head, so that the tail ends of the changed second bristles of the movable brush head are parallel to the axial direction of the brush handle.

According to the tooth cleaning tool, the fixed brush head and the movable brush head which are adjacent left and right and staggered up and down are arranged at the front end of the brush handle, and the hard brush hair and the soft brush hair are respectively arranged on the fixed brush head and the movable brush head, so that the adjusting rod can rotate and swing around the pin shaft by adjusting the second end of the ejector rod jacking and pressing the adjusting rod, the tail end of the second brush hair of the movable brush head protrudes out of the tail end of the first brush hair of the fixed brush head, the movable brush head is replaced to clean teeth, the soft and hard brush heads can be replaced by one toothbrush, the structure is simple and compact, the use is very convenient, the requirement for comprehensively cleaning teeth can be met, and the technical problem that the hard brush hair and the soft brush hair cannot be replaced to clean the teeth in the prior art is effectively solved.

In order to make the technical concept and other objects, advantages, features and functions of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic top view of a dental cleaning implement according to an embodiment of the present application;

FIG. 2 is a schematic side view of a dental cleaning implement according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a brush head adjusted by rotating and swinging an adjusting rod according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of an adjusting rod and a maneuvering brush head according to another implementation manner provided by the embodiment of the application;

FIG. 5 is a schematic diagram illustrating an enlarged structure at A in FIG. 4 according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a brush head adjusted by rotating and swinging an adjusting rod according to another implementation manner provided by the embodiment of the application.

Wherein the figures include the following reference numerals:

10. a brush handle; 11. a gear hole; 12. a tubular body shaft;

20. fixing the brush head; 21. a fork lever; 22. a first bristle; 23. a bending section; 24. a second elastic buckle;

30. moving the brush head; 31. a second bristle;

40. adjusting a rod; 41. a first end; 42. a second end; 43. a pin shaft; 44. a tube wall; 45. a second card slot;

50. exchanging the components; 51. a top rod; 52. a spring.

Detailed Description

The embodiment of the application is through providing a tooth cleaning appliance, in order to solve the technical problem that a toothbrush can not change stereoplasm brush hair and soft brush hair and wash the tooth among the prior art, set up stereoplasm brush hair and soft brush hair on fixed brush head 20 and the mediation brush head 30 through brush holder 10 front end, and second end 42 through adjusting ejector pin 51 roof pressure regulation pole 40 makes regulation pole 40 carry out rotatory swing around round pin axle 43, in order to realize changing and transfer brush head 30 and wash clean tooth, a toothbrush can realize that the exchange of soft or hard brush head is used, moreover, the steam generator is simple in structure, and is compact, high durability and convenient use, can satisfy the demand of cleaning the tooth comprehensively.

In order to make those skilled in the art better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 to 6, the present embodiment provides a dental cleaning tool, including: a brush handle 10, a fixed brush head 20, the fixed brush head 20 being mounted at the front end of the brush handle 10, and the fixed brush head 20 having first bristles 22; the movable brush head 30 is arranged adjacent to the fixed brush head 20 in the left-right direction and staggered up and down, the movable brush head 30 is provided with second bristles 31, and the hardness degree of the second bristles 31 is different from that of the first bristles 22; the first end 41 of the adjusting rod 40 is connected with the adjusting brush head 30, the second end 42 of the adjusting rod 40 penetrates through the front end of the brush handle 10 and extends into the brush handle 10, the front end of the brush handle 10 is provided with a through hole extending along the vertical direction, the second end 42 of the adjusting rod 40 penetrates through the front end of the brush handle 10 through the through hole, and the middle part of the adjusting rod 40 is rotatably arranged in the brush handle 10 through a pin shaft 43; the exchanging assembly 50, the exchanging assembly 50 includes a top rod 51, the top rod 51 is adjustably connected to the second end 42 of the adjusting rod 40, so that the adjusting rod 40 can rotate and swing around the pin shaft 43 by pressing the second end 42 of the adjusting rod 40 through the adjusting top rod 51, thereby exchanging and transferring the brush head 30 to clean teeth, wherein the first bristles 22 of the fixed brush head 20 can be set as softer bristles, and the second bristles 31 of the transferred brush head 30 can be set as harder bristles, so that the softer bristles of the fixed brush head 20 are used to brush teeth at ordinary times, when the dirt on teeth is more or is difficult to brush, the adjusting rod 40 can rotate and swing around the pin shaft 43 like a lever by pressing the second end 42 of the adjusting rod 40 through the adjusting top rod 51, thereby the harder bristles of the transferred brush head 30 tilt and protrude from the softer bristles of the fixed brush head 20, at this time, when teeth are brushed by the tooth cleaning tool, harder bristles of the brush head 30 are transferred to be preferentially contacted with the surfaces of the teeth for brushing, so that the soft and hard brush heads can be exchanged for use, tartar on the surfaces of the teeth can be comprehensively cleaned, the cleaning effect is better, and the use is very convenient.

It can be seen that, as shown in fig. 1 and 2, the tooth-cleaning implement of this embodiment, by arranging the fixed brush head 20 and the movable brush head 30 adjacent to each other in the left-right direction and offset up and down at the front end of the handle 10, and, hard bristles and soft bristles are respectively disposed on the fixed brush head 20 and the movable brush head 30, so that the adjusting rod 40 can rotate and swing around the pin shaft 43 by pressing the second end 42 of the adjusting rod 40 through the adjusting top rod 51, so that the ends of the second bristles 31 of the movable brush head 30 protrude more than the ends of the first bristles 22 of the fixed brush head 20, thereby realizing the replacement and the transfer of the brush head 30 to wash and clean teeth, realizing the replacement and the use of the soft and hard brush heads by one toothbrush, having simple and compact structure and very convenient use, can meet the requirement of cleaning teeth comprehensively and effectively solve the technical problem that one toothbrush in the prior art can not replace hard bristles and soft bristles to brush teeth.

In the present embodiment, as shown in fig. 1 and 2, the exchanging assembly 50 further includes: the spring 52, the spring 52 and the push rod 51 are respectively located at two sides of the second end 42 of the adjusting rod 40, and one end of the spring 52 abuts against the inner wall of the brush handle 10, the other end of the spring 52 abuts against the bottom of the second end 42 of the adjusting rod 40, the lower end of the push rod 51 abuts against the top of the second end 42 of the adjusting rod 40, the upper end of the push rod 51 is slidably disposed outside the brush handle 10, so that the push rod 51 is pushed against the second end 42 of the adjusting rod 40 to drive the adjusting rod 40 to rotate and swing around the pin shaft 43.

As shown in fig. 2, when the top rod 51 of the adjustment and exchange assembly 50 switches between soft and hard bristles, the spring 52 is used for abutting against the second end 42 of the support adjustment rod 40, the spring 52 can be disposed in the tube slot inside the brush holder 10, and the second end 42 of the adjustment rod 40 is prevented from tilting downward and swinging to be unable to abut against the lower end of the top rod 51, wherein optionally, the lower end of the top rod 51 is provided with an inclined arc surface, so that the top rod 51 can better abut against the outer surface of the second end 42 of the adjustment rod 40, and the upper end of the top rod 51 is provided with a push button, so that the top rod 51 is pushed to slide to abut against different positions of the second end 42 of the adjustment rod 40 to drive the adjustment rod 40 to rotate and swing around the pin shaft 43.

Specifically, as shown in fig. 1 and 2, a gear hole 11 is formed in the exterior of the brush holder 10, a plurality of gears are formed in the gear hole 11 along the length direction of the brush holder 10, the upper end of a push rod 51 is installed in the gear hole 11, so that the push rod 51 is pushed along the extending direction of the gear hole 11 to drive the swing degree of the movable brush head 30 compared with the fixed brush head 20, the swing degree of the adjustable rod 40 is adjusted, and the end of the second bristle 31 of the movable brush head 30 at the second end 42 of the adjustable rod 40 is protruded longer than the end of the first bristle 22 of the fixed brush head 20, and the protruding length of the second bristle 31 of the movable brush head 30 can be adjusted according to actual use requirements, so as to adjust the softness degree of the bristles.

In this embodiment, as shown in fig. 1, the fixed brush head 20 has two brush heads, the movable brush head 30 has two brush heads, and the two brush heads of the fixed brush head 20 and the two brush heads of the movable brush head 30 are respectively disposed adjacently and correspondingly, the two brush heads are respectively installed at the ends of the fork rod 21 correspondingly, the fork rod 21 is composed of three branch rods, wherein the ends of the two branch rods are respectively connected with the two brush heads, the other branch rod is used for being connected with the brush handle 10, the two brush heads respectively correspond to the upper and lower rows of teeth in the brushing cavity, and the teeth cleaning effect is good.

Specifically, as shown in fig. 1 and 2, a fixed brush head 20 is replaceably mounted at the front end of a brush handle 10 in a snap-fit connection, wherein, the front end of the brush handle 10 is provided with a tube body rod 12, the outer wall of the tube body rod 12 is provided with a first clamping groove, the side surface of the tail end of one branch rod of a fork rod 21 for fixing the brush head 20 is provided with a first elastic buckle, the tail end of one branch rod of the fork rod 21 is inserted into the tube body rod 12, so that the fixed brush head 20 is buckled and connected with the brush handle 10 by being buckled and connected in a first buckling groove of the tube body rod 12 through a first elastic buckle, when the first bristles 22 of the fixed brush head 20 are seriously worn and need to be replaced, the fixed brush head 20 can be detached for replacement only by pressing the first elastic buckle to be separated from the first clamping groove, the brush handle 10 is not needed to be replaced only by replacing the brush head, the service life of the brush handle 10 of the tooth cleaning tool is prolonged, and the cost is reduced.

Further, as shown in fig. 4 and 5, the movable brush head 30 is replaceably mounted at the first end 41 of the adjusting lever 40 in a snap-fit connection manner, the first end 41 of the adjusting lever 40 is provided with a tube wall 44, and a second snap groove 45 is provided at the outside of the tube wall 44, a second elastic snap 24 is provided at the side surface of the end of one branch rod of the fork rod 21 of the movable brush head 30, the end of one branch rod of the fork rod 21 is inserted into the tube wall 44 of the first end 41 of the adjusting lever 40, so that the movable brush head 30 is snap-fitted into the second snap groove 45 of the adjusting lever 40 by the second elastic snap 24 and is snap-fitted with the adjusting lever 40, when the second brush 31 of the movable brush head 30 is seriously worn and needs to be replaced, the movable brush head 30 can be detached for replacement by pressing the second elastic snap 24 to be separated from the second snap groove 45, the brush handle 10 does not need to be replaced, and the service life of the tooth cleaning appliance is prolonged, the cost is reduced.

As a possible implementation manner, as shown in fig. 4 and 6, a connecting rod is provided between the manoeuvring brush head 30 and the first end 41 of the adjusting rod 40, the connecting rod has a bent portion 23 so that the end of the second bristle 31 of the transposed brushing head 30 after being exchanged is parallel to the axial direction of the brush handle 10 through the bent portion 23, wherein the connecting rod is a fork rod 21, and by providing a part of the fork rod 21 with the bent portion 23, the end of the second bristle 31 of the manoeuvring brush head 30 can be kept horizontal, thereby avoiding the end of the adjusted second bristle 31 from being inclined to affect the tooth cleaning effect, and the structure is stable and reliable, and safe and good for use.

As another possible implementation manner, as shown in fig. 2 and 3, the length of the second bristles 31 of the brush head 30 is gradually increased from one end of the brush head 30 to the other end of the brush head 30, so that the ends of the second bristles 31 of the exchanged brush head 30 are parallel to the axial direction of the brush handle 10, and the length of the second bristles 31 of the brush head 30 is set to be gradually increased, so as to compensate for the inclination of the brush head 30 caused by the exchange of the swing, so that the ends of the second bristles 31 of the exchanged brush head 30 can be kept horizontal, and the influence on the tooth cleaning effect due to the inclination of the ends of the second bristles 31 is avoided.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

according to the tooth cleaning tool, the fixed brush head 20 and the movable brush head 30 which are adjacent left and right and staggered up and down are arranged at the front end of the brush handle 10, and the hard brush hair and the soft brush hair are respectively arranged on the fixed brush head 20 and the movable brush head 30, so that the adjusting rod 40 rotates and swings around the pin shaft 43 by pressing the second end 42 of the adjusting rod 40 through the adjusting ejector rod 51, the tail end of the second brush hair 31 of the movable brush head 30 protrudes out of the tail end of the first brush hair 22 of the fixed brush head 20, the movable brush head 30 is replaced to clean teeth, the hard brush head and the soft brush head can be replaced by one toothbrush, the structure is simple and compact, the use is very convenient, the requirement of comprehensively cleaning teeth can be met, and the technical problem that the hard brush hair and the soft brush hair cannot be replaced to clean the teeth in the prior art is effectively solved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, upper, lower, left, right", "lateral, longitudinal, vertical, horizontal", top, bottom ", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inside" and "outside" as used herein refer to the inner and outer sides of the outline of each member itself.

It will be understood that when an element is referred to as being "on" or "connected to" another element, it can be directly on or directly connected to the other element or be indirectly connected with the other element with intervening elements interposed therebetween. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present between the two.

In addition, it should be noted that, in the description of the present invention, the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the above terms do not have special meanings, and therefore, the scope of protection of the present application is not to be construed as being limited, and in the description of the present invention, unless otherwise stated, the meaning of "plurality" means two or more.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (8)

1. A dental cleaning implement, comprising:

a brush handle (10);

a fixed brush head (20), the fixed brush head (20) being mounted at a front end of the brush handle (10), and the fixed brush head (20) having first bristles (22);

the adjustable brush head (30) is adjacent to the fixed brush head (20) in the left-right direction and staggered in the up-down direction, the adjustable brush head (30) is provided with second bristles (31), and the hardness of the second bristles (31) is different from that of the first bristles (22);

the first end (41) of the adjusting rod (40) is connected with the adjusting brush head (30), the second end (42) of the adjusting rod (40) penetrates through the front end of the brush handle (10) and extends into the brush handle (10), and the middle part of the adjusting rod (40) is rotatably arranged in the brush handle (10) through a pin shaft (43);

the replacing component (50) comprises a top rod (51), the top rod (51) is adjustably connected with the second end (42) of the adjusting rod (40), so that the adjusting rod (40) rotates and swings around the pin shaft (43) by adjusting the top rod (51) to press the second end (42) of the adjusting rod (40), and the replacing brush head (30) is replaced to clean teeth.

2. A dental cleaning implement according to claim 1 characterised in that the exchange assembly (50) further comprises:

the spring (52) and the ejector rod (51) are respectively located on two sides of the second end (42) of the adjusting rod (40), one end of the spring (52) abuts against the inner wall of the brush handle (10), the other end of the spring (52) abuts against the bottom of the second end (42) of the adjusting rod (40), the lower end of the ejector rod (51) abuts against the top of the second end (42) of the adjusting rod (40), the upper end of the ejector rod (51) is slidably arranged outside the brush handle (10), and the ejector rod (51) is pushed to abut against the second end (42) of the adjusting rod (40) to drive the adjusting rod (40) to rotate and swing around the pin shaft (43).

3. A dental cleaning implement according to claim 2 characterized in that the handle (10) is externally provided with a gear hole (11), the gear hole (11) is provided with a plurality of gears along the length direction of the handle (10), the upper end of the push rod (51) is installed in the gear hole (11) to drive the swing degree of the movable brush head (30) compared to the fixed brush head (20) by pushing the push rod (51) along the extension direction of the gear hole (11).

4. A dental cleaning implement according to any of claims 1 to 3 characterized in that the fixed brush head (20) has a double brush head and the manoeuvring brush head (30) has a double brush head, and the double brush heads of the fixed brush head (20) and the double brush heads of the manoeuvring brush head (30) are arranged respectively in correspondence.

5. A dental cleaning implement according to any one of claims 1 to 3 characterised in that the fixed head (20) is replaceably mounted in a snap-fit connection at the forward end of the handle (10).

6. A dental cleaning implement according to any one of claims 1 to 3 characterised in that the manoeuvring brush head (30) is replaceably mounted in a snap-fit connection at the first end (41) of the adjustment stem (40).

7. A dental cleaning implement according to any of claims 1 to 3 characterised in that between the manoeuvring brush head (30) and the first end (41) of the adjustment lever (40) there is a connecting rod with a bend (23) to bring the end of the second bristles (31) of the manoeuvring brush head (30) after exchange parallel to the axial direction of the handle (10) via the bend (23).

8. A dental cleaning implement according to any one of claims 1 to 3 characterised in that the second bristles (31) of the manoeuvrable head (30) are progressively longer from one end of the manoeuvrable head (30) to the other end of the manoeuvrable head (30) so that the end of the second bristles (31) of the manoeuvred head (30) after exchange is parallel to the axial direction of the handle (10).

Images