KR102628318B1 - Attachable-detachable toothbrush - Google Patents

Abstract

The present invention relates to a detachable toothbrush, comprising a handle and a head formed at one end of the handle, wherein the head part includes a fixed head formed at one end of the handle and a detachable head configured to be detached from the fixed head and having toothbrush bristles implanted therein. The purpose is to ensure that only the removable head can be easily replaced due to damage to the toothbrush bristles due to long-term use, etc., thereby maintaining high-quality tooth brushing with vivid toothbrush bristles and preventing waste of resources. .
For this purpose, the present invention includes a head portion configured at one end of a handle configured to enable gripping, the head portion being configured to be attached to and detached from the fixed head, and toothbrush bristles planted at one end thereof. In the detachable toothbrush including a detachable head that supports the toothbrush bristles so that they can be replaced, the fixed head includes a panel having a certain size, a support formed at a certain length at each end of the panel, and an inner side at the end of the support. It includes a hook formed to provide a locking force and support a first stopping force to act on the detachable head; The detachable head includes a body, a stopper formed at a certain height at one end of the body to control the attachment depth when attached as a fixed head, and a stopper formed at a certain depth at each end of the body to guide the insertion of the hook. It is characterized in that it includes a guide groove formed.

Description

Detachable toothbrush {ATTACHABLE-DETACHABLE TOOTHBRUSH}

The present invention relates to a detachable toothbrush, and more specifically, includes a handle and a head formed at one end of the handle, wherein the head part includes a fixed head formed at one end of the handle and a toothbrush head configured to be detachable from the fixed head. It consists of a detachable head with artificial bristles, allowing you to easily replace only the detachable head when replacing the toothbrush bristles due to damage due to long-term use, thereby maintaining high-quality brushing with vivid bristles and preventing waste of resources. It's about a removable toothbrush.

In general, the toothbrush, which is the most popular hygiene tool for maintaining the cleanliness of the inside of the mouth and teeth, includes a toothbrush stand that the user can hold with his hand, and a head formed at the end of the toothbrush stand into which the bristles that brush the teeth are planted. It is made up of parts. If a toothbrush configured in this way is used for more than a certain period of time, the bristles become worn or damaged, so it is replaced with a new toothbrush.

However, the bristles are easily damaged during use of the toothbrush, but the toothbrush holder remains intact as long as it is not broken. However, the entire toothbrush is discarded, causing waste of resources and environmental pollution, and increasing the cost burden of purchasing a finished product rather than a partial product. There is a problem.

Accordingly, recently, toothbrushes have been provided in which the head with toothbrush bristles is removable from the toothbrush stand. However, in the form of a toothbrush with a detachable head, the neck of the toothbrush base and the separately formed protrusions on the head where the toothbrush bristles are planted are connected to each other, so when replacing the toothbrush bristles, the entire head including the protrusions must be replaced. This also has the problem of causing waste of resources and environmental pollution as many parts are discarded.

Republic of Korea Patent Publication No. 10-2021-111087 (published on September 10, 2021)

Proposed to solve the above problems, the purpose of the present invention is to include a handle and a head part formed at one end of the handle, and the head part is detachable from the fixed head and the fixed head formed at one end of the handle. It is composed of a detachable head with toothbrush bristles, so that only the detachable head can be easily replaced when the toothbrush bristles are damaged due to long-term use, etc. This allows you to maintain good quality teeth brushing with vivid toothbrush bristles, while also reducing the waste of resources. The aim is to provide a removable toothbrush to prevent .

Proposed to achieve the above object, the present invention includes a head part formed at one end of a handle configured to enable gripping, the head part formed at one end of the handle, and a fixed head attached to the fixed head. In the detachable toothbrush, which is configured to be detachable and includes a detachable head on one end of which toothbrush bristles are planted so that the toothbrush bristles can be replaced, the fixed head is formed of a panel having a certain size and a certain length at each end of the panel. a support bar, and a hook formed inwardly at an end of the support bar to provide a locking force so that a first stopping force is applied to the detachable head; The detachable head includes a body, a stopper formed at a certain height at one end of the body to control the attachment depth when attached to the fixed head, and a stopper formed at a certain depth at each end of the body to guide the insertion of the hook. It is characterized in that it includes a guide groove formed.

In the present invention, the fixed head includes a seating protrusion formed to protrude at a certain height on the inside of one or both ends of the support; The detachable head preferably includes a seating groove formed at a certain depth on one end or both ends of the body so that a second stopping force is applied to the detachable head as the seating protrusion is inserted.

In the present invention, the fixed head includes a locking portion that supports attachment or detachment of the head from the fixed head by a pressing force acting from the outside; The detachable head preferably includes a seating groove formed at a certain depth on one side of the body to support one end of the locking portion to be inserted.

In the present invention, the engaging portion includes a hinge formed to protrude from one side of the panel; a hinge bar formed at an end of the hinge and having a predetermined length to support one end so that when a pressing force is applied, the other end rotates around the hinge in the opposite direction of the pressing force; A fixing protrusion is formed to protrude at a predetermined length inside the other end of the hinge, and is seated or separated from the seating groove of the detachable head according to the rotation of the hinge. and an elastic space forming a predetermined space in the panel to support the hinge bar so that it can freely rotate around the hinge.

In the present invention, the detachable toothbrush is an integrated toothbrush in which the handle and the head are formed integrally; Or, it is preferable to use a rotary toothbrush in which the head part of the handle rotates at a certain angle and is tilted in a T shape.

According to the present invention, it includes a handle and a head portion formed at one end of the handle, and the head portion is composed of a fixed head formed at one end of the handle and a detachable head configured to be detachable from the fixed head and having toothbrush bristles implanted therein. By allowing you to easily replace only the detachable head when replacing the toothbrush bristles due to damage due to long-term use, etc., you can maintain high-quality brushing with vivid bristles and prevent the waste of resources.

1 is an exploded perspective view of the head portion of a toothbrush according to a first embodiment of the present invention.
Figure 2 is a partially separated view of a toothbrush according to a first embodiment of the present invention.
Figure 3 is an exploded perspective view of a toothbrush according to the first embodiment of the present invention.
Figure 4 is an exploded perspective view of the head portion of a toothbrush according to the first embodiment of the present invention.
Figure 5 is an enlarged view of the head portion of a toothbrush according to the first embodiment of the present invention.
5a is the head part assembled, and 5b is the handle head removed.
Figure 6 is a cross-sectional view showing the lever coupling relationship of the toothbrush according to the first embodiment of the present invention.
Figure 7 is a cross-sectional view showing the coupling relationship of the head portion of the toothbrush according to the first embodiment of the present invention.
Figure 8 is an exploded perspective view of the head portion according to the first embodiment of the present invention.
Figure 9 is a side view of the head portion according to the first embodiment of the present invention.
Figure 10 is a cross-sectional view taken along line XX of Figure 9.
Figure 11 is a bottom view of the fixed head according to the first embodiment of the present invention.
Figure 12 is a plan view of the detachable head according to the first embodiment of the present invention.
Figure 13 is a diagram showing the attachment process of the head portion according to the first embodiment of the present invention.
Figure 14 is a sample photo of a detachable toothbrush according to the first embodiment of the present invention.
Figure 15 is a sample photo of a detachable toothbrush according to a second embodiment of the present invention.
Figure 16 is a partially enlarged, separated perspective view of the head portion according to the second embodiment of the present invention.
Figure 17 is an enlarged partial perspective view of the head portion according to the third embodiment of the present invention.
Figure 18 is a bottom view of the fixed head according to the third embodiment of the present invention.
Figure 19 is a side view of the detachable head according to the third embodiment of the present invention.
Figure 20 is a diagram showing the attachment process of the head portion according to the third embodiment of the present invention.
Figure 21 is an enlarged plan view of the main portion of the head portion according to the third embodiment of the present invention.
Figure 22 is an exploded perspective view of the head portion according to the fourth embodiment of the present invention.
Figure 23 is a view showing the attaching and detaching operation state of the head portion according to the fourth embodiment of the present invention.
Figure 24 is a side cross-sectional view of the head portion according to the fifth embodiment of the present invention.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the attached drawings.

The toothbrush of the present invention includes a handle and a head portion configured at one end of the handle, and the head portion includes a fixed head configured at one end of the handle and a detachable head configured to be detachable from the fixed head and having toothbrush bristles planted therein. By making it possible to easily replace only the detachable head when replacing the toothbrush bristles due to damage due to long-term use, etc., it is possible to maintain high-quality teeth brushing with vivid bristles and prevent the waste of resources.

<First embodiment>

The toothbrush of the first embodiment is configured to rotate the head at a certain angle, that is, to tilt horizontally or vertically with respect to the longitudinal direction of the handle, so that efficient toothbrushing can be achieved.

As shown in FIGS. 1 to 14, the toothbrush includes a handle 100 with a lever 130 installed, a head 200 with toothbrush bristles 210 planted on the bottom and a rotation axis 220 on the top, The operating rod 300, which moves linearly along the longitudinal direction of the handle 100 in conjunction with the lever 130, and the rotating shaft 220 are rotatably fixed and are pressed when the operating rod 300 moves forward. A tilting member 400 that tilts upward along with the head portion 200, and is connected to the operating rod 300 and the rotating shaft 220 and rotates the rotating shaft 220 when the operating rod 300 moves forward. It includes a rotational drive member 500 that causes the head portion 200 to be tilted in a direction that intersects the handle 100.

The handle 100 is intended to be held by a user, and the handle body 110 provided with the lever 130 and the handle head 120 provided with the head portion 200 are separably assembled. For this purpose, a hook 114 is formed on one end of the handle body 110 to protrude toward the handle head 120, which supports the handle head 120 so that it can be caught, for example, at the rear end of the handle head 120, and the hook 114 It is attached to one end of the handle head 120 and is detachably assembled.

Here, the handle body 110 is provided with a handle portion 111, a central portion 112 whose one end is inserted into the handle portion 111 and the other end is connected to the handle head 120, and one end of the central portion 112. This forms a lever mounting portion 113 on which the lever 130 is installed. In this case, the hook 114 is formed at the tip of the central portion 112.

Meanwhile, the central portion 112 may be made of any one of transparent or translucent materials, and may also be made of any one or two or more colors such as red, yellow, blue, and black.

A lever 130 is installed on the handle body 110 to be rotatable in the forward and backward directions about the lever axis 131.

The handle head 120 is configured to be attached to and detachable from one end of the handle body 110, and is configured to surround the rod head of the operating rod, which will be described later.

The lever 130 includes a lever shaft 131 installed inside the lever mounting portion 113 of the handle body 110, a lever body 132 that rotates in the front and rear direction of the handle 100 around the lever shaft 131, and , It is provided on the outer surface of the lever body 132 and includes a pressing piece 133 that rotates the lever body 132 in the forward and backward directions.

Here, the pressing piece 133 is coupled to the outer surface of the lever body 132 exposed to the outside of the handle body 110. That is, the engaging portion 133a formed on the pressing piece 133 is coupled to the engaging groove 132a formed on the outer surface of the lever body 132. Accordingly, if the pressing piece 133 is worn or damaged due to use, the lever 130 can be used by replacing only the pressing piece 133 from the lever body 132.

The head part 200 is a part of the toothbrush that is disposed on the handle head 120 and brushes the teeth using the bristled toothbrush bristles 210. The toothbrush bristles 210 are planted on the bottom, and a rotation axis 220 is provided on the top. The rotation shaft 220 is mounted to be freely rotatable on the tilting member 400.

That is, as shown in FIGS. 8 to 12, the head portion 200 includes a fixed head 230 having a rotating shaft 220 on the upper surface, and toothbrush bristles 210 planted on the lower surface. ) includes a detachable head 240 that allows the toothbrush bristles 210 to be replaced by being detached from the toothbrush head 210.

As shown in FIG. 11, the fixed head 230 includes a panel 232 formed in a flat shape. In this case, a rotation axis 220 with a certain height is formed on one end surface, that is, the top surface, of the panel 232.

At one or both ends of the panel 232, it includes a support 234 formed to a certain length, and a hook 236 that protrudes inward from the end of the support 234 and supports it to be caught on the detachable head 240. do. In this case, the support 234 and the hook 236 are preferably formed at each end of the panel 232.

The support 234 is formed integrally with the end of the panel 232 and is formed to come into close contact with the outer peripheral surface of the detachable head 240.

The locking hook 236 protrudes inward from the end of the support 234 for a certain length and surrounds the bottom surface or the locking groove formed on the outer circumference of the detachable head 240 to provide fixing force, thereby fixing the head 230. ) to prevent the detachable head 240 from being removed arbitrarily.

In addition, the fixing head 230 protrudes inward from the end of the locking hook 236 at a certain height, so that when the detachable head 240 is attached, it acts on the detachable head 240 due to internal or external vibration or impact. It includes a seating protrusion 238 to prevent the fixed force from being released arbitrarily.

The seating protrusion 238 is formed at the end of the support 234, that is, at the rear end based on the position where the attachment/detachment head 240 first enters, and is formed to protrude inward from the end of the catching hook 236. When the detachable head 240 is attached to the fixed head 230, the detachable head 240 is fixed to the fixed head 230 by maintaining the detachable head 240 more seated than the locking hook 236. Support to maintain the status quo. In this case, the seating protrusion 238 is formed in various shapes such as circular, semicircular, triangular, polygonal, or streamlined shapes.

As shown in FIG. 12, the detachable head 240 is configured to be detachable from the fixed head 230, making it easy to replace the toothbrush bristles 210 damaged by long-term use, making it easier to discard the entire toothbrush. Instead, the smallest unit that makes up a toothbrush head is replaced in a modular form to prevent waste of resources and thereby minimize environmental pollution.

The detachable head 240 is formed to have a certain thickness and includes a body 242 that maintains the toothbrush bristles 210 planted at the lower end.

In addition, the detachable head 240 is provided with a stopper 244 that regulates the attachment depth when the detachable head 240 is attached to one end of the body 242, that is, the fixed head 230.

The stopper 244 is formed at a certain height on the upper surface of the body 242, and controls the attachment depth when the detachable head 240 is attached to the fixed head 230, so that the detachable head is attached to the fixed head 230. (240) supports it to remain stably fixed.

In addition, the detachable head 240 includes a guide groove 246 formed at a certain depth on the outer peripheral surface of the body 242 to support the locking hook 236 of the fixing head 230 to maintain the locked state. do.

The guide groove 246 is formed at a certain depth inward from the outer periphery of the detachable head 240, and supports the insertion and guidance of the locking hook 236 of the fixed head 230, so that the detachable head 230 Ensure that the fixed head 240 remains attached. In this case, the guide groove 246 is formed in a shape identical to or similar to that of the catching hook 236.

In addition, the detachable head 240 is formed at a certain depth inward from the outer periphery of the body 242, and is seated on the seating protrusion 238 of the fixed head 230, thereby attaching the detachable head 240 to the fixed head 230. When attached, it includes a seating groove 248 to prevent it from falling off.

The seating groove 248 is formed at a certain depth inward from the outer periphery of the body 242, and allows the seating protrusion 238 of the fixing head 230 to be seated, so that the locking hook 236 and the guide groove 246 are positioned. By applying a fixing force in the vertical direction with respect to the horizontal direction, the detachable head 240 from the fixed head 230 is prevented from falling off.

As shown in FIG. 13, the head portion configured as above is configured such that when attaching the detachable head 240 to the fixed head 230, the hook 236 of the fixed head 230 is attached to the detachable head 240. After aligning with the guide groove 246, push the detachable head 240 into the fixed head 230.

Accordingly, the detachable head 240 enters the fixed head 230 up to the part where the stopper 244 of the detachable head 240 is in close contact with the end of the fixed head 230, so that the stopper 244 and the detachable head 240 are attached and detached. The first stopping force (S1) is applied at the part where the end of the head 230 is in close contact.

In addition, when one end of the fixed head 230 is in close contact with the stopper 244, the seating protrusion 238 of the fixed head 230 is seated in the seating groove 248 of the detachable head 240, and the seating protrusion 238 ) and the seating groove 248, the second stopping force (S2) is applied, ultimately maintaining the fixed head 230 and the detachable head 240 in a stably fixed state.

In addition, when it is desired to replace the toothbrush bristles 210 damaged due to long-term use, etc., the reverse order is applied, that is, the seating protrusions 238 are formed in the seating groove 248 where the second stopping force S2 acts. By providing an instantaneous pressing force so that it can be separated, the seating protrusion 238 is separated from the seating groove 248. Thereafter, when the detachable head 240 is removed from the fixed head 230, the detachable head 240 is separated while the guide groove 246 is guided by the seating protrusion 238.

The operating rod 300 is coupled to the lever 130, is provided inside the handle 100, and moves linearly along the longitudinal direction of the handle 100 in conjunction with the lever 130, and is a tilting member described later. (400) is guided to be tilted at a predetermined angle.

That is, the operating rod 300 is integrally coupled to the rod body 310 interoperably connected to the lever 130 and the front end of the rod body 310, and has tilting guide protrusions 410 of the tilting member 400 on both sides. It includes a load head 320 formed with a tilting guide groove 322 for guidance.

In addition, a connecting protrusion 311 is formed at one end of the rod body 310 to support connection or separation from the rod head 320, and the connecting protrusion 311 is inserted into the rod head 320. Alternatively, a connection groove 324 is formed to support separation.

In addition, one end of the lever 130 is connected to the rod body 310, so that when the lever 130 moves in the front and rear direction, it is linked to support the operating rod 300 so that it can be moved immediately in the front and rear direction (lever connection groove ( 312) is formed.

A guide groove 321 is formed on the bottom of the rod head 320 to penetrate toward the front of the handle 100, and tilting guide grooves 322 are formed on both inner walls of the guide groove 321.

The tilting guide groove 322 is formed on the inner wall of the guide groove 321 in the longitudinal direction of the handle 100, and is formed to gradually slope downward from one side to the other side, so that the tilting member 400 moves along the tilting guide groove 322. When the tilting guide protrusion 410 of is moved, the head portion 200 moves up and down together with the tilting member 400. At this time, as the rotation drive member 500 is fixed to the rotation axis 220 of the head part 200, one side of the head part 200 is fixed so as not to move downward, and the other side moves downward, and thus, together with the head part 200 The tilting member 400 is tilted at a predetermined angle.

The tilting member 400 is rotatably supported by the rotation axis 220 of the head 200, is inserted into the guide groove 321 of the load head 320, and has tilting guide grooves 322 on both outer walls. A tilting guide protrusion 410 that is coupled is formed. That is, the tilting member 400 is pressed when the operating rod 300 moves forward, so that the tilting guide protrusion 410 of the tilting member 400 moves along the tilting guide groove 322 and is tilted at a predetermined angle.

The rotation drive member 500 is used to rotate the head portion 200 together with the tilting member 400, has a pin shape, and both ends are connected and fixed to the operating rod 300 and the rotation shaft 220, respectively. .

That is, one end 510 of the rotation drive member 500 is fixed to the operating rod 300, and the other end 520 is freely rotatably fixed to the rotation shaft 220. Accordingly, when the operating rod 300 moves forward, the head portion 200 receives a force to move forward along with the tilting member 400. At this time, the head portion 200 is connected to the other end of the rotation drive member 500 ( It moves forward and rotates at the same time due to the fixing force of 520, and the head portion 200 is pressed downward by the pressing force of the other end 520 of the rotation drive member 500 and tilted at a predetermined angle.

Therefore, the rotation drive member 500 performs the function of rotating the head portion 200 and simultaneously pressing it to tilt, so that the head portion 200 forms a T shape while being tilted at a predetermined angle with respect to the handle 100. make it happen

Meanwhile, the tilt angle of the head portion 200 with respect to the handle 100 is 1° to 30°, and preferably has a tilt angle of 3° to 15°.

Here, the rotation drive member 500 is made of metal or non-metal to minimize interference during operation with the operating rod 300 and the rotation shaft 220, minimize the volume of the handle 100, and prevent damage even when used for a long time. Prepared with

Meanwhile, both ends of the rotary drive member 500 are connected and fixed to the operating rod 300 and the rotary shaft 220 using bolts, and thus both ends of the rotary drive member 500 are more firmly fixed. Accordingly, by pressing the head portion 200 when tilting, it prevents the head portion 200 from moving in the forward and backward directions when brushing teeth, and prevents damage to the teeth by gently cushioning when the head portion 200 is strongly pressed against the teeth.

In other words, the rotational drive member 500, which is made of metal or non-metal, prevents the head part 200 from moving when brushing teeth and induces stable teeth brushing, but prevents damage to the teeth when brushing teeth by pressing the head part 200 strongly. It also serves to cushion the head portion 200.

In the rotary toothbrush having this configuration, when the lever 130 of the handle 100 is operated, the operating rod 300 moves forward and the head portion 200 is tilted at a predetermined angle along with the tilting member 400, while the rotation drive member ( 500, the head portion 200 forms a T shape with respect to the handle 100.

Therefore, if you brush your teeth with the head portion 200 forming a T shape with respect to the handle 100, you can brush your teeth perpendicular to your teeth, protecting your wrist and increasing the efficiency of brushing your teeth.

Here, a handle opening hole 121 and a rod opening hole 323 are formed in the handle 100 and the operating rod 300 at the portion where the tilting member 400 equipped with the rotation axis 220 is located. The handle opening hole 121 and the rod opening hole 323 have the same shape and the same vertical axis as the handle 100 and the operating rod 300 in the area where the tilting member 400 equipped with the rotation axis 220 is located when brushing teeth. formed on a line.

That is, if foreign substances such as toothpaste and food residue enter the handle head 120, including the rotating shaft 220, the operating rod 300, and the tilting member 400, the handle opening hole 121 and the rod opening hole 323 ) can be effectively removed using a cotton swab or water pressure.

Meanwhile, the handle opening hole 121 and the rod opening hole 323 are provided in a circular shape, which provides visual luxury and has no edges, thereby increasing cleaning efficiency.

Meanwhile, the rotating toothbrush is temporarily fixed in a state in which the head portion 200 with the toothbrush bristles 210 is rotated to the left or right, and as a result, the head portion does not rotate, enabling stable and accurate brushing.

<Second Embodiment>

The same reference numerals are used for the same components as those in the first embodiment, and detailed description thereof is omitted.

As shown in FIGS. 15 and 16, the toothbrush of the second embodiment is an integrated toothbrush in which the handle 100 and a portion of the head portion 200 are formed integrally.

That is, the toothbrush has a handle 100 and a fixed head 230 of the head portion 200 at the end of the handle 100.

In addition, the head portion 200 includes a fixed head 230 integrally formed with one end of the handle 100, and a detachable head 240 configured to be attached to and detached from the fixed head 230. In this case, the fixed head 230 does not have a rotating shaft 220, and the toothbrush bristles 210 are planted in the detachable head 240, so if the toothbrush bristles 210 are damaged, the fixed head 230 ) By attaching and detaching the detachable head 240, continuous use of the vivid toothbrush bristles 210 is maintained.

<Third embodiment>

The same reference numerals are used for the same components as those in the first and second embodiments, and detailed description thereof is omitted.

As shown in FIGS. 17 to 21, the head portion 200 of the toothbrush of the third embodiment includes a fixed head 230 and a detachable head 240, and the fixed head 230 includes a detachable head 240. It includes a locking portion 239 that provides fixation or release force.

The locking portion 239 is formed on one side of the support 234 and exerts a fixing or releasing force as it is seated or separated from the seating groove 248 of the detachable head 240.

The locking portion 239 includes a hinge 2392, a hinge base 2394, a fixing protrusion 2396, and an elastic space 2398.

The hinge 2392 is formed to have a certain length on one side of the support 234 and supports the rotation of the hinge 2394.

The hinge 2394 is formed horizontally at a certain length at the end of the hinge 2392, and the other end rotates around the hinge 2392 in the opposite direction to the direction of the force acting on one end.

The fixing protrusion 2396 protrudes from the inside of the other end of the hinge 2394 at a certain height and is seated or separated from the seating groove 248 of the fixing head 240, thereby exerting a second stopping force (S2). Let's do it.

The elastic space 2498 forms a certain space in the support 234, allowing the hinge 2394 to rotate smoothly around the hinge 2392.

As shown in FIG. 20, in the head portion 200 configured as above, when the detachable head 240 is inserted into one end of the fixed head 230, the locking hook 236 configured at one end of the fixed head 230 is It is inserted into the guide groove 246 of the detachable head 240.

And, when one end of the detachable head 240 is positioned on the locking part 239 formed on the other side of the fixing head 230, the end of the fixing protrusion 2396 of the locking part 239 rises along the guide groove 246. Accordingly, the hinge base 2394 is forced to rotate around the hinge 2392.

Thereafter, when the stopper 244 of the detachable head 240 is fully inserted into one end of the fixed head 230, the fixing protrusion 2396 of the locking portion 239 is inserted into the seating groove (244) of the detachable head 240. By being seated on 248), the first stopping force (S1) due to the stopper 244 and the second stopping force (S2) due to the fixing protrusion 2396 are applied.

On the other hand, when replacing the toothbrush bristles 210, as shown in FIG. 21, one end of the hinge 2394 of the locking portion 239 is pressed against the other end of the portion where the fixing protrusion 2396 is located. When force is applied, the hinge base 2394 rotates at a certain angle around the hinge 2392, causing the fixing protrusion 2396 to separate from the seating groove 248 of the detachable head 240. Accordingly, the detachable head 240 is separated from the fixed head 230 by releasing the second stopping force S2 by the fixing protrusion 2396, and through this, the toothbrush bristles planted on the detachable head 240 210) can be replaced.

<Example 4>

The same reference numerals are used for the same components as those in the first to third embodiments, and detailed description thereof is omitted.

As shown in FIGS. 22 and 23, the head portion 200 of the fourth embodiment includes a fixed head 230 and a detachable head 240, and a locking portion 239 at the upper end of the fixed head 230. is composed.

That is, the locking portion 239 has an elastic space 2398 of a certain size formed on one side of the upper surface of the fixed head 230, for example, in the center, and a hinge (2398) is formed so that a certain length protrudes from the inside of the elastic space 2398. 2392) is formed.

In addition, a hinge base 2304 is formed that rotates at a certain angle around the hinge 2392 as a predetermined length is formed in a direction intersecting the end of the hinge 2392, and at one end of the hinge base 2394, A fixing protrusion 2396 is formed that protrudes and is inserted into the detachable head 240 at a certain depth to exert a second stopping force (S2). At this time, a seating groove 248 is formed on the upper surface of the detachable head 240 to support the fixing protrusion 2396 so that it can enter and exit and be fixed or released by the fixing protrusion 2396.

As shown in FIG. 23, the head portion 200 configured as above is pressed on one side of the hinge 2394 of the locking portion 239 formed on one upper side of the fixed head 230, and the hinge 2394 is It is rotated at a certain angle around the hinge 2392, and through this, the fixing protrusion 2396 formed at one end of the hinge base 2394 is separated from the seating groove 248, so that the second stop acted by the fixing protrusion 2396. The force S2 is released, making it easy to attach and detach the detachable head 240 from the fixed head 230.

<Embodiment 5>

The same reference numerals are used for the same components as those of the first to fourth embodiments, and detailed description thereof is omitted.

As shown in FIG. 24, the head portion 200 of the fifth embodiment includes a fixed head 230 and a detachable head 240, and the height of the supports 234 provided at each end of the fixed head 230 is formed to vary, and in the end, the close contact position between the fixed head 230 and the detachable head 240 is varied by the support 234 of different lengths, thereby rotating the head portion 200 at each end. Responsive force to moment prevents the detachable head 240 from being easily separated from the fixed head 230.

What has been described above is only one example of implementing a detachable toothbrush, and the present invention is not limited to the above-described example. Those skilled in the art will understand that various changes can be made without departing from the gist of the present invention.

200: head 210: toothbrush head
220: Rotating axis 230: Fixed head
232: panel 234: support
236: Locking hook 238: Seating protrusion
239: Hook 2392: Hinge
2394: Hinge 2396: Fixing protrusion
2398: Elastic space 240: Detachable head
242: body 244: stopper
246: Guide groove 248: Seating groove

Claims (5)

It includes a head part formed at one end of a handle configured to enable gripping, wherein the head part is configured to be attached to and detached from the fixed head and a fixed head formed at one end of the handle, and toothbrush bristles are planted on one end so that the toothbrush bristles can be replaced. In the detachable toothbrush including a detachable head that supports,
The fixing head includes a panel having a certain size, a support bar formed at a certain length at each end of the panel, and a support member formed inward from an end of the support member to provide a locking force so that a first stopping force is applied to the detachable head. Includes a supporting hook;
The detachable head includes a body, a stopper formed at a certain height at one end of the body to control the attachment depth when attached as a fixed head, and a stopper formed at a certain depth at each end of the body to guide the insertion of the hook. It includes a guide groove formed;
The fixed head includes a locking portion that supports attachment or detachment of the head from the fixed head by an external pressing force;
The detachable head includes a seating groove formed at a certain depth on one side of the body to support one end of the engaging portion to be inserted;
The locking portion includes a hinge formed to protrude from one side of the panel;
a hinge bar formed at an end of the hinge and having a predetermined length to support one end so that when a pressing force is applied, the other end rotates around the hinge in the opposite direction of the pressing force;
A fixing protrusion is formed to protrude at a predetermined length inside the other end of the hinge, and is seated or separated from the seating groove of the detachable head according to the rotation of the hinge. and
An elastic space forming a certain space in the panel to support the hinge bar so that it can freely rotate around the hinge;
A removable toothbrush comprising a.
According to paragraph 1,
The fixed head includes a seating protrusion formed to protrude at a certain height on the inside of one or both ends of the support;
The detachable head includes a seating groove formed at a certain depth on one end or both ends of the body so that a second stopping force is applied to the detachable head as the seating protrusion is inserted;
A removable toothbrush comprising a.
delete delete The method of claim 1, wherein the removable toothbrush,
An integrated toothbrush in which the handle and head are formed as one piece;
Or, a rotating toothbrush in which the head part of the handle rotates at a certain angle and is tilted into a T shape;
A removable toothbrush characterized in that.