CN113225958B

CN113225958B - Support assembly of neck massager and assembling method thereof

Info

Publication number: CN113225958B
Application number: CN202110517346.9A
Authority: CN
Inventors: 张文; 喻超
Original assignee: Sichuan Qianli Beoka Medical Technology Inc
Current assignee: Sichuan Qianli Beoka Medical Technology Inc
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2023-02-03
Anticipated expiration: 2041-05-12
Also published as: CN113225958A

Abstract

The invention discloses a support assembly of a neck massager and an assembly method of the support assembly of the neck massager, and belongs to the technical field of neck massagers. The support assembly of the neck massager comprises a support outer shell and a support inner shell, wherein the support outer shell is in a non-closed annular shape, the support inner shell is fixedly connected to the inner side wall of the support outer shell, the support inner shell is a flexible part made of silica gel, a buckle is arranged on one side, facing the support outer shell, of the support inner shell, a clamping hole matched with the buckle is formed in the support outer shell, a buckle connecting structure is formed between the support inner shell and the support outer shell through the matching of the buckle and the clamping hole, the buckle is provided with a bilateral reverse buckle structure, the protruding height of the unilateral reverse buckle structure relative to the outer surface of a clamping block is 0.2mm-1.0mm, and the Shore hardness of the support inner shell is 30 degrees-60 degrees. And silicone oil is used for assisting assembly during the buckle connection. Compared with the prior art, the invention provides a simpler structure and assembly mode, and has the advantages of convenient production and assembly, high efficiency and low cost.

Description

Support assembly of neck massager and assembling method thereof

Technical Field

The invention relates to the technical field of neck massage instruments, in particular to a support assembly of a neck massage instrument, and also relates to an assembly method of the support assembly of the neck massage instrument.

Background

The neck massager is used for being worn on the neck of a human body to nurse the neck. The bracket component of the traditional neck massager generally comprises a bracket outer shell and a bracket inner shell, wherein the bracket outer shell is a main body framework of a C-shaped structure and is generally a plastic piece; the support inner shell is fixedly arranged on the inner side wall of the support outer shell and is the main part of the neck massager in direct contact with the neck of a human body, so that the support inner shell is generally a flexible body and adopts a rubber part, a plastic part or a silicon rubber part. Due to the different material properties of the stent outer shell and the stent inner shell, one skilled in the art will generally consider: the inner shell of the bracket of the flexible part is not clamped into the clamping groove of the hard plastic by a buckle, on one hand, the reverse buckle structure at the end part of the buckle has interference, and the friction force between the flexible part and the hard plastic is very large, so that the flexible part is difficult to clamp into the hard plastic, the assembly efficiency is influenced, and the flexible part is not suitable for batch production; another aspect is that even after the stent is snapped in, the inner shell of the stent is made of soft material (usually in the range of shore hardness of 20 degrees to 30 degrees), and the stent can be easily pulled off after assembly, so that the assembly is not firm. Therefore, the initial assembly between the bracket outer shell and the bracket inner shell is basically fixed by adopting a glue gluing mode, the production efficiency is low, and the reject ratio is high.

In order to reduce the fraction defective of products, some enterprises also adopt a technical scheme of snap-in connection, for example, in a patent document with publication number CN211214982U, a bracket assembly is disclosed, which includes a bracket outer shell, a bracket inner shell and a handle inner shell, the bracket outer shell is in a non-closed ring shape, the handle inner shells are assembled at two ends of the bracket outer shell, so as to form two clamping arm sections which are close to each other, and the bracket outer shell has elasticity; the support inner shell comprises a framework and a flexible body, the shape of the framework is matched with that of the support outer shell, the framework is connected with the inner ring side wall of the support outer shell, the flexible body is arranged on the inner ring side of the framework, which is back to the support outer shell, and is integrally formed with the framework, so that the support inner shell and the support outer shell mutually enclose to form a cavity for mounting a massage component of the neck massager. However, in this solution, the framework needs to be pre-processed on the inner shell of the bracket, and the C-shaped component of the main body of the massager needs to be integrally formed with a plurality of snap structures, which has the disadvantages of complex structure and high cost.

Disclosure of Invention

The technical problem solved by the invention is as follows: the bracket component of the neck massage instrument has simple and reliable structure and more economical and reasonable processing cost.

The technical scheme adopted by the invention for solving the technical problems is as follows: the support component of the neck massager comprises a support outer shell and a support inner shell, wherein the support outer shell is in a non-closed annular shape, the support inner shell is fixedly connected to the inner side wall of the support outer shell, the support inner shell is a flexible part made of plastic or rubber or silica gel, the hardness of the support outer shell is greater than that of the support inner shell, a buckle is arranged on one side, facing the support outer shell, of the support inner shell, the support outer shell is provided with a clamping hole or a clamping groove matched with the buckle, a buckle connecting structure is formed between the support inner shell and the support outer shell through the cooperation of the buckle and the clamping hole or the cooperation of the buckle and the clamping groove, the buckle comprises a clamping block and a back-off structure located at the end of the clamping block, the back-off structure is arranged on two sides of the clamping block, the height of the single-side back-off structure relative to the protrusion of the outer surface of the clamping block is 0.2-1.0 mm, and the hardness of the support inner shell is 30-60 degrees.

Further, the method comprises the following steps: the inverted structures are symmetrically arranged on two sides of the clamping block, the protruding height of the single-side inverted structure relative to the outer surface of the clamping block is 0.3-0.7 mm, and the Shore hardness of the inner shell of the bracket is 35-55 degrees.

Further, the method comprises the following steps: the height of the single-side reverse buckle structure relative to the protrusion of the outer surface of the clamping block is 0.3-0.5 mm, and the Shore hardness of the inner shell of the bracket is 40-55 degrees.

Further, the method comprises the following steps: when the buckle connecting structure is formed between the bracket inner shell and the bracket outer shell through the matching of the buckle and the clamping hole, the outer surface of one side of the inverted buckle structure, which is close to the end surface of the clamping hole, is a plane which is arranged in the direction vertical to the axis direction of the clamping hole; when a buckle connection structure is formed between the support inner shell and the support outer shell through the matching of the buckle and the clamping groove, the outer surface of one side of the reverse buckle structure, which is close to the outer end face of the clamping groove, is a plane which is perpendicular to the insertion direction of the clamping block.

Further, the method comprises the following steps: when the buckle connecting structure is formed between the bracket inner shell and the bracket outer shell through the matching of the buckle and the clamping hole, one side of the inverted buckle structure, which is far away from the end surface of the clamping hole, is provided with an inverted inclined surface or an inverted round surface; when a buckle connection structure is formed between the support inner shell and the support outer shell through the matching of the buckle and the clamping groove, the outer surface of one side of the reverse buckle structure, which is far away from the outer end face of the clamping groove, is provided with a reverse inclined plane or a reverse round surface.

Further, the method comprises the following steps: the inside wall of support shell has the installation piece of protruding setting, and the installation piece is laid along the length direction of support shell, and the both sides of installation piece are provided with the draw-in groove respectively.

Further, the method comprises the following steps: the inside wall of support shell has the strengthening rib of protruding setting, and the strengthening rib is laid along the length direction of support shell, and the inside wall of support shell is provided with the strengthening rib respectively at its width direction both ends, is provided with the card hole on the strengthening rib respectively.

Further, the method comprises the following steps: a group of buckles are respectively arranged on two sides of the support inner shell, and each group of buckles are a plurality of buckles distributed at intervals along the length direction of the support inner shell.

On the basis of the bracket component of the neck massager, the invention also provides an assembly method of the bracket component of the neck massager, when the bracket inner shell is connected with the bracket outer shell in a buckling manner, silicone oil is coated on the buckling connection matching surface in advance.

Further, the method comprises the following steps: the selected silicone oil is dimethyl silicone oil.

The invention has the beneficial effects that: the buckle is designed into a bilateral reverse buckle structure, and the reverse buckle amount of the buckle connecting structure and the hardness parameter of the bracket inner shell are reasonably designed, so that the reliability of the connecting structure is effectively ensured, and the technical bias that the flexible inner shell cannot be directly and firmly connected with the hard outer shell in a buckle mode is overcome. The invention omits the secondary injection molding process, and during production and assembly, the inner bracket shell is directly assembled on the outer bracket shell of the neck massager only by a buckling mode. And when carrying out the buckle with support inner shell and support shell and being connected, through scribbling in advance at buckle connection fitting surface and establish silicon oil for the assembly can realize more conveniently. The mould structure corresponding to the assembly mode is relatively simple, the support shell only needs to be formed into a simple clamping hole structure on the reinforcing ribs on the inner side wall of the support shell, the plastic part mould structure corresponding to the support shell is low in cost and convenient to demould, and the mould does not need to be in a large sliding block demould mode. Compared with the prior art, the invention provides a simpler structure and assembly mode, and has the advantages of convenient production and assembly, high efficiency and low cost.

Drawings

FIG. 1 is a perspective view of the assembled invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 3 is a front view of the present invention;

FIG. 4 isbase:Sub>A schematic cross-sectional view taken along line A-A in FIG. 3;

FIG. 5 is an enlarged view of a portion of the snap connection of FIG. 4;

labeled in the figure as: support shell 1, support inner shell 2, buckle 3, back-off structure 301, card hole 4, strengthening rib 5.

Detailed Description

The invention is further described with reference to the following figures and specific examples.

It should be noted that, if there are directional indication terms, such as the terms of direction and orientation, in the present invention, it is intended to facilitate the description of the relative positional relationship between the components, and the absolute position that is not the positional relationship between the relevant components and components is specifically referred to only for explaining the relative positional relationship and movement of the components in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

As shown in fig. 1 to 5, a bracket assembly of a neck massager in the present invention includes an outer bracket shell 1 and an inner bracket shell 2, the outer bracket shell 1 is in a non-enclosed annular shape, the inner bracket shell 2 is fixedly connected to an inner side wall of the outer bracket shell 1, the inner bracket shell 2 is a flexible member made of plastic, rubber or silica gel, a hardness of the outer bracket shell 1 is greater than a hardness of the inner bracket shell 2, one side of the inner bracket shell 2 facing the outer bracket shell 1 is provided with a buckle 3, the outer bracket shell 1 is provided with a buckle hole 4 or a buckle slot adapted to the buckle 3, a buckle connection structure is formed between the inner bracket shell 2 and the outer bracket shell 1 by a cooperation of the buckle 3 and the buckle hole 4 or a cooperation of the buckle 3 and the buckle slot, the buckle 3 includes a clamping block and a reverse buckle structure 301 located at an end of the clamping block, the reverse buckle structure 301 is disposed at two sides of the clamping block, a protrusion height of the reverse buckle structure 301 at one side relative to an outer surface of the clamping block is 0.2mm to 1.0mm, and a shore hardness of the inner bracket shell 2 to 60 degrees.

Wherein, the bracket shell 1 is generally a plastic part, can be integrally injection molded, and is a main body framework with a C-shaped structure. Because the silica gel goods are colorless tasteless, and more environmental protection, consequently, the silica gel material is generally chooseed for use to support inner shell 2. It can be understood that the length direction of the stent shell 1 refers to the extending direction of the shell main body structure, and may be a regular shape or an irregular shape, and taking a main body framework of a conventional C-shaped structure as an example, the length direction of the stent shell 1 is "C" shaped. The inner side wall of the holder case 1 means a side wall of the holder case 1 on the inner ring side. The stent inner shell 2 is a flexible member, where "flexibility" is relative to the stiffness of the stent outer shell 1. In addition, in order to ensure the reliability of the buckle connection structure, the invention also specifically limits the hardness of the bracket inner shell 2, the Shore hardness of the bracket inner shell 2 is 30-60 degrees, the buckle is designed into a bilateral reverse buckle structure, and the unilateral reverse buckle amount of the buckle connection structure is designed into 0.2-1.0 mm, thereby finally ensuring the reliability of the connection structure and overcoming the technical bias that the flexible inner shell can not be directly and firmly connected with the hard outer shell in a buckle way. During production and assembly, the support inner shell 2 is directly assembled on the support outer shell 1 of the neck massager only by the mode of the buckle 3. Because the friction force between the flexible part and the hard plastic is large, the assembly difficulty is large, and in order to improve the assembly efficiency, when the bracket inner shell 2 and the bracket outer shell 1 are connected in a buckling manner, silicone oil needs to be coated on the buckling connection matching surface in advance. The silicone oil can be dimethyl silicone oil, atomized silicone oil, emulsified silicone oil, water-based silicone oil, etc. In specific implementation, the atomized silicone oil needs to adopt a spraying process, the container enables an internal circuit of the neck massager to be short-circuited, and the water-based silicone oil and the emulsified silicone oil are not easy to clean and are easy to influence the appearance of the product, so the dimethyl silicone oil (namely polydimethylsiloxane) is preferably adopted in the invention. In addition, the silicone oil has the advantages of good volatility, no toxicity, no odor, good physiological inertia and the like, and compared with industrial lubricating grease, the silicone oil used in the invention has no toxicity, no odor and good physiological inertia, and can enable a user to have better use experience because the neck massager is a product directly contacted with the skin. Moreover, due to the fact that the volatility of the silicone oil is good, silicone oil volatilizes after the silicone oil is stored for several days after the silicone oil is assembled, and the buckle 3 is not easy to pull out. If the common lubricant which is not dry for a long time is adopted, the lubricating effect can still exist after the lubricant reaches the hand of a user, and the buckle structure is easy to pull out. By adopting the assembly process, the buckle connection structure is more stable and reliable due to the quick volatilization of the silicone oil.

It can be understood that the reverse amounts of the reverse structures 301 on both sides of the latch may be the same or different. For making things convenient for mould contour machining to effectively guarantee the structural reliability that the buckle is connected, back-off structure 301 preferably adopts the symmetric design, and back-off structure 301 symmetry sets up in the both sides of fixture block promptly. The reliability and the assembling difficulty degree of the buckle connection structure are comprehensively considered, the protruding height of the unilateral reverse buckle structure 301 relative to the outer surface of the clamping block is 0.3-0.7 mm, and the Shore hardness of the bracket inner shell 2 is 35-55 degrees. The amount of undercut and the stiffness of the stent inner shell 2 may be further preferred: the height of the single-side reverse buckle structure 301 relative to the protrusion of the outer surface of the clamping block is 0.3mm-0.5mm, and the shore hardness of the bracket inner shell 2 is 40 degrees-55 degrees. See the examples below for specific comparative experimental conditions.

Referring to fig. 5, in order to effectively ensure the structural reliability of the snap connection, when the snap connection structure is formed between the bracket inner shell 2 and the bracket outer shell 1 by the cooperation of the snap 3 and the snap hole 4, the outer surface of the reverse snap structure 301 close to one side of the end surface of the snap hole 4 is a plane perpendicular to the axial direction of the snap hole 4. Similarly, when the bracket inner shell 2 and the bracket outer shell 1 form a buckle connection structure through the matching of the buckle 3 and the clamping groove, the outer surface of the reverse buckle structure 301 close to one side of the outer end face of the clamping groove is a plane perpendicular to the insertion direction of the clamping block. By adopting the structural design, when the buckle 3 is pulled in an assembled state, the contact surface of the reverse buckle structure 301 at the buckle connection part is vertically arranged relative to the pulling direction, so that a better anti-falling effect can be achieved.

Referring to fig. 5, for further convenient assembly, when the bracket inner shell 2 and the bracket outer shell 1 form a buckle connection structure through the cooperation of the buckle 3 and the clamping hole 4, one side of the inverse buckle structure 301 away from the end surface of the clamping hole 4 is provided with an inverse slope or an inverse round surface; when the buckle connection structure is formed between the support inner shell 2 and the support outer shell 1 through the cooperation of the buckle 3 and the clamping groove, the outer surface of the side, away from the outer end face of the clamping groove, of the reverse buckle structure 301 is provided with a reverse inclined plane or a reverse round plane.

In the buckle connection structure, the bracket shell 1 can be in the form of the clamping hole 4 or the clamping groove. The embodiment shown in fig. 1 to 5 provides a preferred embodiment in the form of a clamping hole 4, the inner side wall of the bracket shell 1 is provided with a protruding reinforcing rib 5, the reinforcing ribs 5 are arranged along the length direction of the bracket shell 1, the inner side wall of the bracket shell 1 is respectively provided with a reinforcing rib 5 at two ends in the width direction, and the reinforcing ribs 5 are respectively provided with a clamping hole 4. It can be understood that, on the inner ring surface of the stent shell 1, the length direction is along the main structure of the "C shape", and the width direction perpendicular to the length direction is the "width direction of the inner side wall of the stent shell 1". The reinforcing ribs 5 on one side may be continuously arranged along the length direction of the rack housing 1 or may be arranged at intervals along the length direction of the rack housing 1 according to the arrangement mode of the clamping holes 4. In order to facilitate assembly and connection, the two sides of the bracket inner shell 2 are respectively provided with a group of buckles 3, each group of buckles 3 is a plurality of buckles distributed at intervals along the length direction of the bracket inner shell 2, and correspondingly, the reinforcing rib 5 is provided with a plurality of clamping holes 4 distributed at intervals. In this embodiment, the single-sided reinforcing beads 5 are preferably of a continuous arrangement of unitary construction for ease of mold design.

When the bracket shell 1 is in the form of a clamping groove, the following preferred embodiments can be implemented: the inside wall of support shell 1 has the installation piece of protruding setting, and the installation piece is laid along the length direction of support shell 1, and the both sides of installation piece are provided with the draw-in groove respectively. In the structure, the mounting block of the integral structure replaces two reinforcing ribs arranged side by side, the cross section of the clamping groove can be designed to be a T-shaped structure, and the clamping groove is internally provided with a cavity for accommodating the inverted buckle structure 301. According to different arrangement modes of the buckles 3, the clamping grooves can be continuously arranged along the length direction of the bracket shell 1 or alternatively arranged at intervals along the length direction of the bracket shell 1.

The embodiment is as follows:

the bracket component structure of the adopted neck massager is as follows: including support shell 1 and support inner shell 2, support shell 1 is the main part skeleton of C shape structure, support shell 1 is the stereoplasm working of plastics, support inner shell 2 is the flexible piece of silica gel material, support shell 1's inside wall has the strengthening rib 5 of protruding setting, strengthening rib 5 is laid along support shell 1's length direction, support shell 1's inside wall is provided with strengthening rib 5 respectively at its width direction both ends, the interval is provided with a plurality of card holes 4 respectively on the strengthening rib 5, support inner shell 2 is provided with buckle 3 towards one side of support shell 1, form buckle connection structure through buckle 3 and the cooperation in card hole 4 between support inner shell 2 and the support shell 1, buckle 3 includes the fixture block and is located the back-off structure 301 of fixture block tip, back-off structure 301 symmetry sets up in the both sides of fixture block. The design of the parameters selected in the test is shown in table 1, and the test results are shown in table 2.

TABLE 1 Snap connection parameter design

TABLE 2 Snap-fit connection Assembly test results

From the test data in table 2, the following preferences can be derived:

Claims

1. support component of neck massager, including support shell (1) and support inner shell (2), support shell (1) is non-enclosed cyclic annular, support inner shell (2) fixed connection is at the inside wall of support shell (1), support inner shell (2) are the flexible piece of plastic or rubber or silica gel material, the hardness of support shell (1) is greater than the hardness of support inner shell (2), support inner shell (2) are provided with buckle (3) towards one side of support shell (1), support shell (1) are provided with card hole (4) or draw-in groove with buckle (3) looks adaptation, form buckle connection structure through the cooperation of buckle (3) and card hole (4) or the cooperation of buckle (3) and draw-in groove between support inner shell (2) and support shell (1), buckle (3) include the fixture block and lie in back-off structure (301) of fixture block tip, its characterized in that: the inverted structures (301) are arranged on two sides of the clamping block, the protruding height of the single-side inverted structure (301) relative to the outer surface of the clamping block is 0.2mm-1.0mm, and the Shore hardness of the bracket inner shell (2) is 30 degrees-60 degrees.

2. The support assembly of a neck massager of claim 1 wherein: the inverted structures (301) are symmetrically arranged on two sides of the fixture block, the protruding height of the single-side inverted structure (301) relative to the outer surface of the fixture block is 0.3-0.7 mm, and the Shore hardness of the bracket inner shell (2) is 35-55 degrees.

3. The cervical massager support assembly of claim 2, wherein: the height of the single-side reverse buckle structure (301) relative to the protrusion of the outer surface of the clamping block is 0.3mm-0.5mm, and the Shore hardness of the bracket inner shell (2) is 40 degrees-55 degrees.

4. The support assembly of a neck massager of claim 1 wherein: when the buckle connection structure is formed between the support inner shell (2) and the support outer shell (1) through the matching of the buckle (3) and the clamp hole (4), the outer surface of one side of the reverse buckle structure (301) close to the end face of the clamp hole (4) is a plane which is perpendicular to the axial direction of the clamp hole (4); when a buckle connection structure is formed between the support inner shell (2) and the support outer shell (1) through the cooperation of the buckle (3) and the clamping groove, the outer surface of one side of the reverse buckle structure (301) close to the outer end face of the clamping groove is a plane perpendicular to the insertion direction of the clamping block.

5. The support assembly of a neck massager of claim 1 wherein: when the buckle connection structure is formed between the bracket inner shell (2) and the bracket outer shell (1) through the matching of the buckle (3) and the clamping hole (4), one side of the reverse buckle structure (301) far away from the end surface of the clamping hole (4) is provided with a reverse inclined surface or a reverse round surface; when a buckle connecting structure is formed between the support inner shell (2) and the support outer shell (1) through the cooperation of the buckle (3) and the clamping groove, the outer surface of one side, far away from the outer end face of the clamping groove, of the reverse buckling structure (301) is provided with a reverse inclined plane or a reverse round plane.

6. The cervical massager support assembly of claim 1, wherein: the inside wall of support shell (1) has the installation piece of protruding setting, and the installation piece is laid along the length direction of support shell (1), and the both sides of installation piece are provided with the draw-in groove respectively.

7. The support assembly of a neck massager of claim 1 wherein: the inside wall of support shell (1) has strengthening rib (5) of protruding setting, and strengthening rib (5) are laid along the length direction of support shell (1), and the inside wall of support shell (1) is provided with strengthening rib (5) respectively at its width direction both ends, is provided with card hole (4) on strengthening rib (5) respectively.

8. The bracket assembly of a neck massager of claim 6 or 7 wherein: a group of buckles (3) are respectively arranged on two sides of the support inner shell (2), and each group of buckles (3) are a plurality of pieces distributed at intervals along the length direction of the support inner shell (2).

9. The assembly method of the bracket component of the neck massager is characterized in that: the bracket assembly of the neck massager according to any one of claims 1 to 8 wherein the snap-fit engagement surface is pre-coated with silicone oil when the bracket inner housing (2) is snap-fit connected to the bracket outer housing (1).

10. The method of assembling a bracket assembly of a neck massager of claim 9 wherein: the selected silicone oil is dimethyl silicone oil.