CN210991128U - Infant earmuff capable of preventing upper cover from falling off - Google Patents
Infant earmuff capable of preventing upper cover from falling off Download PDFInfo
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- CN210991128U CN210991128U CN201922021917.0U CN201922021917U CN210991128U CN 210991128 U CN210991128 U CN 210991128U CN 201922021917 U CN201922021917 U CN 201922021917U CN 210991128 U CN210991128 U CN 210991128U
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- cover
- upper cover
- clamping
- middle cover
- falling
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Abstract
The utility model relates to a baby ear shield for preventing an upper cover from falling off, which comprises soft foam and a cover body; the cover body comprises an upper cover, a middle cover and a bottom cover; one end of the upper cover is provided with a first extending part, and the other end of the upper cover is provided with a second extending part; the bottom end of the inner surface of the first extension part is provided with a square bulge; the bottom end of the inner surface of the second extension part is provided with a clamping hook; two ends of the upper surface of the middle cover are symmetrically provided with two convex parts; one end of the middle cover is provided with a first sunken part, and the other end of the middle cover is provided with a second sunken part; a square hole is arranged at a corresponding position on the first concave part, and a clamping part is arranged at a corresponding position on the second concave part; the bottom of the inner surface of the middle cover is provided with an annular groove; the edge of the upper surface of the bottom cover is provided with a circle of annular bulge matched with the annular groove. The utility model discloses long service life is difficult for taking place to drop, and the upper cover is simple swift with well lid opening mode.
Description
Technical Field
The utility model relates to a protection hearing equipment technical field, especially a prevent baby's ear muff that upper cover drops.
Background
For infants, because the organs are still in the process of growth and development, abnormal sensory stimulation to the outside is intolerable, and the hearing system of the infants can be damaged. Therefore, in some special occasions, some protection devices are needed to form certain protection for the ears of the infants.
The foreign outward appearance patent with application number EU0035373560001 discloses a baby's ear muff, the combination mode of its upper cover and well lid all is connected through both ends buckle, because often need open the upper cover for the card between upper cover and the well lid contacts often friction, the joint department of arbitrary any place appears becoming flexible, whole upper cover just can not realize effective connection with well lid, finally can lead to the ear muff to scrap, therefore the baby's ear muff life that above-mentioned patent provided is shorter relatively.
In view of the above, it is desirable to provide an infant ear muff that prevents the upper cover from falling off.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent baby's ear muff that upper cover drops, long service life is difficult for taking place to drop to the upper cover is simple swift with well lid opening mode.
In order to achieve the purpose of the utility model, the infant earmuff for preventing the upper cover from falling off comprises soft foam and a cover body, wherein the soft foam is arranged in the cover body; the cover body comprises an upper cover, a middle cover and a bottom cover;
one end of the upper cover is provided with a first extending part, and the other end of the upper cover is provided with a second extending part; the bottom end of the inner surface of the first extension part is provided with a square bulge; the bottom end of the inner surface of the second extension part is provided with a clamping hook;
the upper surface of the middle cover is a plane, and two ends of the upper surface of the middle cover are symmetrically provided with two convex parts; one end of the middle cover is provided with a first sunken part matched with the first extension part, and the other end of the middle cover is provided with a second sunken part matched with the second extension part; a square hole matched with the square bulge is formed in the corresponding position on the first concave part, and a clamping part matched with the clamping hook is formed in the corresponding position on the second concave part; one end of the upper cover is inserted into the square hole on the middle cover through the square bulge, and the other end of the upper cover is connected with the clamping part on the middle cover through the clamping hook in a clamping manner; the bottom of the inner surface of the middle cover is provided with an annular groove;
the bottom cover is of an oval annular structure, a circle of annular protrusions matched with the annular groove are arranged at the edge of the upper surface of the bottom cover, and the bottom cover is clamped on the annular groove of the middle cover through the annular protrusions.
Preferably, the upper surface of the upper cover is symmetrically provided with two crescent through holes.
Preferably, the end of the second extension part of the upper cover extends outwards to form an arc-shaped bump.
Preferably, the clamping portion comprises two clamping blocks which are symmetrically arranged, and a positioning groove is formed in the inner surface of the middle cover and located between the two clamping blocks; limiting bulges are symmetrically arranged on the inner surface of the upper cover and positioned on the outer side of the clamping hook; and a positioning strip matched with the positioning groove is arranged in the middle of the clamping hook on the upper cover.
Preferably, the bottoms of the two clamping blocks extend outwards to form clamping extending blocks.
Preferably, an annular limiting part extends downwards from the middle position of the inner surface of the upper cover, and two limiting strips are symmetrically arranged on the inner surface of the upper cover along the axial direction of the inner surface; the upper surface of the middle cover is symmetrically provided with two arc-shaped limiting bulges along the axial direction of the middle cover.
Preferably, a circle of annular bulges are arranged at the center of the upper surface of the middle cover.
Preferably, crescent-shaped protrusions are symmetrically arranged on two sides of the middle cover.
Instructions for use: firstly, placing soft foam in a middle cover, and covering a bottom cover; the elastic head band penetrates through the convex parts on the two sides of the upper surface of the middle cover, after the length is adjusted, the square convex part at one end of the upper cover is inserted into the square hole on the middle cover, and the other end of the upper cover is connected through a buckle.
The utility model discloses a prevent baby's ear muff that upper cover drops compares with prior art and has following advantage:
(1) one end of the upper cover is inserted into the square hole in the middle cover through the square bulge, the other end of the upper cover is connected with the clamping part on the middle cover through the clamping hook in a clamping manner, when the part connected with the clamping hook is abraded, the upper cover and the middle cover are not separated due to falling off, and the service life of the earmuff is prolonged;
(2) after the upper cover and the middle cover are fixed, the buckle joint does not deviate left and right, the combination is relatively firm, and the limiting effect on the elastic head band is good;
(3) the upper surface of the upper cover is symmetrically provided with two crescent through holes for facilitating the grasping;
(4) simple structure, simple to use is swift.
Drawings
Fig. 1 is a schematic structural diagram a of the upper cover of the present invention;
fig. 2 is a schematic structural diagram B of the upper cover of the present invention;
fig. 3 is a schematic structural diagram C of the upper cover of the present invention;
fig. 4 is a schematic structural diagram a of the middle cover of the present invention;
fig. 5 is a schematic structural diagram B of the middle cover of the present invention;
FIG. 6 is a partial enlarged view of the snap-in portion of FIG. 5;
fig. 7 is a schematic structural diagram C of the middle cover of the present invention;
FIG. 8 is a schematic structural view of the upper cover and the middle cover after being connected;
FIG. 9 is a schematic structural view of the bottom cover;
FIG. 10 is a schematic view of the connection between the middle cap and the bottom cap;
fig. 11 is a schematic structural view of an infant ear muff for preventing the upper cover from falling off.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-11, an infant ear shield for preventing the upper cover from falling off comprises a soft foam and a cover body, wherein the soft foam is arranged in the cover body; the cover body comprises an upper cover 1, a middle cover 12 and a bottom cover 23;
one end of the upper cover 1 is provided with a first extension part 3, and the other end of the upper cover 1 is provided with a second extension part 2; the bottom end of the inner surface of the first extension part 3 is provided with a square bulge 8; the bottom end of the inner surface of the second extension part 2 is provided with a clamping hook 9;
the upper surface of the middle cover 12 is a plane, and two ends of the upper surface of the middle cover 12 are symmetrically provided with two convex parts 17; one end of the middle cover 12 is provided with a first concave part 14 matched with the first extension part 3, and the other end of the middle cover 12 is provided with a second concave part 16 matched with the second extension part 2; a square hole 15 matched with the square bulge 8 is formed in the corresponding position of the first concave part 14, and a clamping part 18 matched with the clamping hook 9 is formed in the corresponding position of the second concave part 16; one end of the upper cover 1 is inserted into a square hole 15 on the middle cover 12 through a square bulge 8, and the other end of the upper cover 1 is connected with a clamping part 18 on the middle cover 12 through a clamping hook 9 in a clamping manner; the bottom of the inner surface of the middle cover 12 is provided with an annular groove 22;
the bottom cover 23 is of an elliptical ring structure, a ring of annular protrusions 24 matched with the annular grooves 22 are arranged at the edge of the upper surface of the bottom cover 23, and the bottom cover 23 is clamped on the annular grooves 22 on the middle cover 12 through the annular protrusions 24.
Because the one end of upper cover 1 is connected with well lid 12 through the inserted mode, and the other end is the buckle connection, when wearing and tearing appear in the position that the buckle is connected, can not appear droing and lead to upper cover 1 and well lid 12 to separate, prolong the life of ear muff.
In order to facilitate the holding of the upper cover 1, two crescent through holes 4 are symmetrically arranged on the upper surface of the upper cover 1.
In order to facilitate an operator to open the upper cover 1, the end portion of the second extending portion 2 of the upper cover 1 extends outwards to form an arc-shaped protruding block 5, and when the upper cover 1 needs to be opened, the upper cover 1 can be pried by only pulling the arc-shaped protruding block 5 upwards with fingers.
In order to ensure that the upper cover 1 and the middle cover 12 are not easy to deviate when being closed, and the elastic head band on the earmuffs is not easy to fall off, the clamping part 18 comprises two clamping blocks 19 which are symmetrically arranged, and a positioning groove 20 is arranged on the inner surface of the middle cover 12 between the two clamping blocks 19; limiting bulges 10 are symmetrically arranged on the outer side of the clamping hook 9 on the inner surface of the upper cover 1; a positioning strip 11 matched with the positioning groove 20 is arranged in the middle of the clamping hook 9 on the upper cover 1; so set up, at upper cover 1 with well lid 12 fixed back, the skew about the buckle junction can not lead to upper cover 1 and well lid 12 to drop, combine relatively firmly.
In order to prolong the service life of the two clamping blocks 19 on the middle cover 12, clamping extending blocks 21 are arranged at the bottoms of the two clamping blocks 19 and extend outwards.
In order to limit the external elastic headband to a certain extent, the middle position of the inner surface of the upper cover 1 extends downwards to form an annular limiting part 6, and the inner surface of the upper cover 1 is symmetrically provided with two limiting strips 7 along the axial direction; the upper surface of well lid 12 is equipped with two spacing archs 13 of arc along its axial symmetry, and under the combined action of spacing portion 6 of annular, spacing 7 and the spacing arch 13 of arc, the elasticity bandeau can be effectively spacing, conveniently adjusts and fixes its length.
In order to further provide a better limiting function for the external elastic head band, a ring-shaped protrusion 14 is provided at the center of the upper surface of the middle cap 12.
In order to facilitate the holding of the middle cover 12, crescent-shaped protrusions 25 are symmetrically arranged on two sides of the middle cover 12
Instructions for use: firstly, placing soft foam in the middle cover 12 and covering the bottom cover 23; elastic head bands penetrate between the convex parts 17 on the two sides of the upper surface of the middle cover 12, after the length is adjusted, the square convex 8 on one end of the upper cover 1 is inserted into the square hole 15 on the middle cover 12, and the other end of the upper cover is connected in a buckling mode.
In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.
In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
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.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (8)
1. The infant earmuffs capable of preventing the upper cover from falling off is characterized by comprising soft foam and a cover body, wherein the soft foam is arranged in the cover body; the cover body comprises an upper cover, a middle cover and a bottom cover;
one end of the upper cover is provided with a first extending part, and the other end of the upper cover is provided with a second extending part; the bottom end of the inner surface of the first extension part is provided with a square bulge; the bottom end of the inner surface of the second extension part is provided with a clamping hook;
the upper surface of the middle cover is a plane, and two ends of the upper surface of the middle cover are symmetrically provided with two convex parts; one end of the middle cover is provided with a first sunken part matched with the first extension part, and the other end of the middle cover is provided with a second sunken part matched with the second extension part; a square hole matched with the square bulge is formed in the corresponding position on the first concave part, and a clamping part matched with the clamping hook is formed in the corresponding position on the second concave part; one end of the upper cover is inserted into the square hole on the middle cover through the square bulge, and the other end of the upper cover is connected with the clamping part on the middle cover through the clamping hook in a clamping manner; the bottom of the inner surface of the middle cover is provided with an annular groove;
the bottom cover is of an oval annular structure, a circle of annular protrusions matched with the annular groove are arranged at the edge of the upper surface of the bottom cover, and the bottom cover is clamped on the annular groove of the middle cover through the annular protrusions.
2. The infant ear muff for preventing the upper cover from falling off as claimed in claim 1, wherein the upper surface of the upper cover is symmetrically provided with two crescent-shaped through holes.
3. The baby ear shield against falling of the upper cover as claimed in claim 1, wherein the end of the second extension part of the upper cover is provided with an arc-shaped protrusion extending outwards.
4. The infant earmuff for preventing the upper cover from falling off as claimed in claim 1, wherein the clamping portion comprises two clamping blocks which are symmetrically arranged, and a positioning groove is formed on the inner surface of the middle cover between the two clamping blocks; limiting bulges are symmetrically arranged on the inner surface of the upper cover and positioned on the outer side of the clamping hook; and a positioning strip matched with the positioning groove is arranged in the middle of the clamping hook on the upper cover.
5. The infant ear muff for preventing the upper cover from falling off as claimed in claim 4, wherein the bottom of each of the two clamping blocks is provided with a clamping extending block extending outwards.
6. The baby ear muff for preventing the upper cover from falling off as claimed in claim 1, wherein the inner surface of the upper cover is provided with an annular limiting part extending downwards at the middle position, and two limiting strips are symmetrically arranged on the inner surface of the upper cover along the axial direction; the upper surface of the middle cover is symmetrically provided with two arc-shaped limiting bulges along the axial direction of the middle cover.
7. The baby ear shield against falling of the upper cover as claimed in claim 6, wherein a ring of annular protrusion is provided at the center of the upper surface of the middle cover.
8. The infant ear muff for preventing the upper cover from falling off as claimed in claim 1, wherein crescent-shaped protrusions are symmetrically arranged on both sides of the middle cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922021917.0U CN210991128U (en) | 2019-11-21 | 2019-11-21 | Infant earmuff capable of preventing upper cover from falling off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922021917.0U CN210991128U (en) | 2019-11-21 | 2019-11-21 | Infant earmuff capable of preventing upper cover from falling off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210991128U true CN210991128U (en) | 2020-07-14 |
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ID=71506098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922021917.0U Active CN210991128U (en) | 2019-11-21 | 2019-11-21 | Infant earmuff capable of preventing upper cover from falling off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210991128U (en) |
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2019
- 2019-11-21 CN CN201922021917.0U patent/CN210991128U/en active Active
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