CN111184586A

CN111184586A - Transmission rod combined part

Info

Publication number: CN111184586A
Application number: CN201811539158.0A
Authority: CN
Inventors: 马涛
Original assignee: Perect Group Co ltd
Current assignee: Perect Group Co ltd
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2020-05-22

Abstract

The invention discloses a transmission rod combined component which comprises a transmission rod with a cavity, wherein a limit structure is arranged in the cavity, a micro motor is assembled in the cavity and is positioned above the limit structure.

Description

Transmission rod combined part

Technical Field

The invention relates to the technical field of electric toothbrushes, in particular to a transmission rod combined part.

Background

Electric toothbrush is the utensil that cleans teeth that people used most often, a bacterium for driving between the attached to tooth, tartar and tiny debris, can play the effect of prevention periodontal disease, it is healthy with the tooth to protect people's oral hygiene, electric toothbrush on the existing market is various, the structure is different, but there are some problems, micro motor's vibrations are great to the influence of handle, influence people's use, when transfer line in the electric toothbrush that has now simultaneously assembles with toothbrush head and toothbrush handle, it is convenient inadequately, and the leakproofness is not enough.

The authorization notice number is: the invention of CN 101856275B discloses a sound wave vibration structure of an electric toothbrush, which comprises a transmission rod capable of transmitting vibration and a vibration source micro motor capable of generating resonance output, wherein the transmission rod is assembled in a cavity at the neck of a toothbrush head body; this patent can only lack micro motor's support, stability when unable assurance vibration.

Disclosure of Invention

The invention aims to provide a transmission rod combined component, which solves the technical problems that an electric toothbrush transmission rod in the prior art is inconvenient to assemble, insufficient in sealing performance and shock absorption when matched with a toothbrush head and unstable when a micro motor vibrates.

The utility model provides a transfer line built-up member, is including the transfer line that has the cavity, the cavity is inside to be provided with limit structure, micro motor assembles inside the cavity, and micro motor is located limit structure top.

On the basis of the technical scheme, the invention can be further improved as follows:

further, limit structure is spacing arch, spacing arch is one at least, and spacing arch sets up on the inner wall of cavity, and the beneficial effect who adopts this step is through fixing the arch on the cavity wall, can accomplish to micro motor's bottom and prescribe a limit to guarantee that micro motor reduces the influence to the handle when the vibration.

Furthermore, the outer side surface of the limiting bulge is a wedge-shaped surface, and the beneficial effect of the step is that the miniature motor can be conveniently pushed and then fixed.

Further, limit structure includes the support, the support mounting is inside the cavity, and the support upper end with micro motor bottom contact, the beneficial effect who adopts this step is the micro motor's of being convenient for spacing.

Furthermore, at least one limiting groove is formed in the bottom of the transmission rod along the circumferential direction of the transmission rod, and the beneficial effect of the step is that the vibration direction of the transmission rod can be limited through the limiting groove, so that the vibration direction of the assembled toothbrush head can be changed.

Further, the outside of transfer line is provided with block muscle and soft spare, soft spare is located block muscle below, the beneficial effect who adopts this step is that the block muscle is the transfer line of being convenient for and the block is accomplished to the toothbrush head, and soft spare can be sealed with the inner wall contact of toothbrush handle, cavity, formation is waterproof and shock attenuation.

Further, soft spare is the layer of moulding plastics, the layer of moulding plastics is located between block muscle and the spacing groove, and the beneficial effect who adopts this step is the installation that the technology that adopts the layer of moulding plastics was accomplished, can guarantee that the inner wall of toothbrush handle and cavity during the installation closely laminates with the outer wall of transfer line, accomplishes the installation.

Furthermore, a plurality of clamping grooves are formed in the bottom of the transmission rod along the circumferential direction of the transmission rod, the clamping grooves are located between the injection molding layer and the limiting grooves, and the step has the beneficial effect that the clamping is completed through the clamping grooves and the toothbrush handle, so that the whole toothbrush is conveniently assembled.

Further, soft piece is the soft cushion of shock attenuation, a plurality of block grooves have been seted up along circumference to the transfer line bottom, the block groove is located inside the shock attenuation flexible glue, the beneficial effect who adopts this step is that the soft cushion of shock attenuation can play the cushioning effect, accomplishes through block groove and toothbrush handle, is convenient for accomplish the holistic equipment of toothbrush like this.

Furthermore, the cavity bottom of the transmission rod is provided with a movable buckle, and the noise elimination device has the advantages that the movable buckle can play a role in noise elimination, and can achieve the functions of noise elimination and shock absorption when the transmission rod is connected with a part in the handle.

The invention has the beneficial effects that:

1. the invention provides a transmission rod combined component which is arranged in a toothbrush body and used for providing a vibration source, and other components are arranged on the transmission rod, so that the transmission rod can play a role in shock absorption and noise elimination when being assembled with the toothbrush body.

2. The limiting structure is used for supporting the micro motor, so that the micro motor cannot move when vibrating, and the stability of the toothbrush structure is improved.

3. According to the invention, the flexible piece is arranged on the transmission rod, and after the transmission rod is assembled with the shell of the toothbrush handle, the flexible piece can play a role in noise elimination, water prevention and shock absorption.

4. In the invention, the movable buckle is added in the transmission rod, so that the functions of noise elimination and shock absorption can be realized, and the transmission rod can be conveniently detached, installed and positioned after being installed with other parts.

5. According to the invention, the bottom of the transmission rod is provided with at least one limiting groove along the circumferential direction of the transmission rod, so that the rotation direction of the transmission rod can be limited through the limiting groove, and the tooth brushing effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a front view of a transmission rod assembly according to embodiment 1 of the present invention;

fig. 2 is a sectional view of a transmission rod assembly according to embodiment 1 of the present invention;

fig. 3 is a schematic view of a movable buckle of a transmission rod assembly according to embodiment 1 of the present invention;

fig. 4 is a sectional view of a transmission rod assembly according to embodiment 2 of the present invention;

fig. 5 is a schematic view of a transmission rod body of a transmission rod assembly according to embodiment 2 of the present invention;

fig. 6 is a schematic view of a movable buckle of a transmission rod assembly according to embodiment 2 of the present invention;

FIG. 7 is a schematic view of a drive link assembly according to embodiment 3 of the present invention;

reference numerals:

1-a cavity; 2-a transmission rod; 3-a limiting structure; 4-a micro motor; 5-clamping the rib; 6-soft piece; 7-a clamping groove; 8, movable buckle;

201-a limiting groove;

301-limit protrusion; 302-a stent;

601-injection molding layer; 602-shock absorbing soft rubber cushion.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

As shown in fig. 1, an embodiment of the present invention provides a transmission rod assembly, including a transmission rod 2 having a cavity 1, a limiting structure 3 disposed inside the cavity 1, a micro motor 4 assembled inside the cavity, and the micro motor 4 located above the limiting structure 3; the invention relates to a component in an electric toothbrush, wherein a micro motor 4 can drive and resonate other components by sound waves to serve as a vibration source, and in order to ensure the stability of the vibration of the micro motor, a limiting structure 3 can be arranged in a cavity 1 to limit the bottom of the micro motor 4 to generate resonance so as to improve the stability.

Wherein as shown in fig. 1, this limit structure 3 is spacing arch 301, and this spacing arch is one at least, and spacing arch 301 sets up on the inner wall of cavity, and the lateral surface of spacing arch 301 is the wedge, also can be the shape of other slopes, and when the micro motor 4 propelling movement installation of being convenient for, micro motor 4 passes through behind the spacing arch 301, spacing arch 301 can form the stuck point, supports micro motor's bottom to this can accomplish micro motor 4 spacing.

As shown in fig. 2, at least one limiting groove 201 is formed in the bottom of the transmission rod 2 along the circumferential direction, the limiting groove 201 limits the rotation position of the transmission rod 2, preferably, two limiting grooves 201 are formed in the transmission rod 2, the positions of the two limiting grooves are opposite, after the transmission rod 2 is assembled, the limiting grooves 201 can limit the rotation of the transmission rod, vibration is converted into left-right swing of the transmission rod, and the tooth brushing effect is improved.

As shown in figure 1, the outside of the driving rod 2 is provided with a clamping rib 5 and a soft part 6, the soft part 6 is positioned below the clamping rib 5, the clamping rib 5 is used as a connecting piece, a certain gap is left between the driving rod 2 and the toothbrush head after the driving rod 2 and the toothbrush head are assembled, the soft part 6 is used for eliminating the gap, the tightness of the driving rod 2, the toothbrush handle and the cavity after the driving rod is assembled is improved, and the soft part 6 can also play a role in shock absorption and noise elimination.

As shown in fig. 2, the soft member 6 in this embodiment is an injection molding layer 601, that is, the soft member 6 is fixed on the transmission rod 2 by an injection molding process, so that the tightness can be ensured, and during installation, the size of the toothbrush head at the section can be controlled, so that the streamline design of the toothbrush can be ensured, that is, after the transmission rod 2 is processed, the injection molding layer 601 is formed by injection molding soft rubber, so that the tightness between the transmission rod 2 and the toothbrush handle and the cavity can be ensured, and the injection molding layer can be made of TPE, so that the structural stability and the shock absorption can be improved.

As shown in fig. 2, a plurality of engaging grooves 7 are formed at the bottom of the transmission rod 2 along the circumferential direction, the engaging grooves 7 are located between the injection layer and the limiting groove 201,

as shown in fig. 1 and 3, the present embodiment is further provided with a movable buckle 8, and the movable buckle 8 plays a role of noise elimination and shock absorption when the bottom of the transmission rod 2 is connected with other components.

Example 2:

fig. 4-6 show another embodiment of a transmission rod assembly according to the present invention, which is compared with the embodiment of the present invention, the flexible member 6 is modified, and the limiting groove 201 is removed, the flexible member 6 is a soft shock-absorbing rubber pad 602, the soft shock-absorbing rubber pad 602 wraps the bottom of the transmission rod 2, the bottom of the body of the transmission rod 2 is circumferentially provided with a plurality of engaging grooves 7, the engaging grooves 7 are located inside the soft shock-absorbing rubber pad 602, and the soft shock-absorbing rubber pad can absorb shock and complete the assembly of the toothbrush with the toothbrush handle through the engaging grooves, so as to facilitate the completion of the assembly of the whole toothbrush; the stopper groove 201 may be provided in a component assembled with the present embodiment, and may perform the same function.

Example 3:

fig. 7 is another embodiment of the transmission rod assembly provided by the invention, compared with embodiment 1, the limiting mechanism 3 is a bracket 302; the bracket 302 is arranged in the cavity 1, the upper end of the bracket 302 is contacted with the bottom of the micro motor 4, when in actual operation, the micro motor 4 is firstly arranged in the cavity 1, then the bracket 302 is arranged to be propped against the micro motor 4, and different from the previous embodiment, the previous embodiment is that the transmission rod 2 with the limiting bulge 301 fixed on the inner wall is firstly molded, then the micro motor 4 is pushed and fixed, and finally the assembly is completed; the soft member 6 can be an injection molding layer 601 or a shock absorbing soft rubber pad 602.

In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The transmission rod combined component comprises a transmission rod with a cavity and is characterized in that a limiting structure is arranged inside the cavity, a micro motor is assembled inside the cavity, and the micro motor is located above the limiting structure.

2. The transmission rod assembly according to claim 1, wherein the limiting structure is at least one limiting protrusion, and the limiting protrusions are disposed on the inner wall of the cavity.

3. The combination of claim 2 wherein the outer side of the retention tabs are tapered.

4. The transfer bar assembly of claim 1 wherein the stop structure comprises a bracket, the bracket is mounted within the cavity and the upper end of the bracket contacts the bottom of the micro-motor.

5. The drive link assembly of claim 1 wherein the drive link bottom has at least one retaining groove formed along its circumference.

6. The transmission rod assembly as claimed in claim 1, wherein the transmission rod is provided with a snap rib and a flexible member at an outer side thereof, and the flexible member is located below the snap rib.

7. The assembly of claim 6, wherein the flexible member is an injection molded layer, and the injection molded layer is located between the engaging rib and the retaining groove.

8. The transmission rod assembly as claimed in claim 7, wherein the bottom of the transmission rod is formed with a plurality of engaging grooves along the circumference thereof, and the engaging grooves are formed between the injection molding layer and the limiting grooves.

9. The transmission rod assembly as claimed in claim 6, wherein the flexible member is a soft damping rubber pad, the bottom of the transmission rod is circumferentially provided with a plurality of engaging slots, and the engaging slots are located inside the soft damping rubber pad.

10. A drive rod assembly according to any one of claims 1 to 9 wherein the cavity of the drive rod is provided with a movable catch at the bottom.