CN215069225U

CN215069225U - Needle-out type buzzer

Info

Publication number: CN215069225U
Application number: CN202121201201.XU
Authority: CN
Inventors: 李立锋; 石璐绿
Original assignee: Audiowell Electronics Guangdong Co ltd
Current assignee: Audiowell Electronics Guangdong Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-07
Anticipated expiration: 2031-05-31

Abstract

The utility model relates to a needle-out type buzzer. The needle-out buzzer comprises: install casing, lid subassembly, contact pin subassembly and piezoelectric mechanism, be equipped with out the sound chamber on the installation casing, piezoelectric mechanism installs inside the installation casing, be equipped with assembly portion on the installation casing, the contact pin subassembly is installed in the assembly portion, the one end of contact pin subassembly is followed the play sound direction in play sound chamber is worn out the assembly portion, the other end of contact pin subassembly is the end of buckling, the end of buckling of contact pin subassembly with piezoelectric mechanism electric connection, the lid subassembly be used for with the contact pin subassembly is contradicted fixedly. The needle-out buzzer can be effectively assembled and welded to be connected through additionally arranging the assembling part and adjusting the structure of the insertion needle assembly.

Description

Needle-out type buzzer

Technical Field

The utility model relates to a technical field of buzzer especially relates to a needle formula buzzer.

Background

In a conventional contact pin type buzzer, a contact pin is generally inserted from a bottom case of the buzzer, and corresponding riveting and fixing are performed through a riveting process. However, as the contact pin type buzzer is used in different environments, in order to ensure the using effect of the buzzer, it is sometimes necessary to align and mount the contact pin with a buzzer mounting case (i.e., a mounting case having a sound emitting cavity), that is, it is necessary to align the mounting direction of the contact pin with the sound emitting direction of the mounting case. Due to the influence of the structure of the mounting shell and the connection requirement of the contact pin, the traditional processing mode cannot be adopted to realize effective assembly and welding connection.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a needle-out buzzer for solving the problem that the conventional processing method cannot effectively assemble and weld the connecting line between the mounting shell and the contact pin.

A needle-out buzzer. The needle-out buzzer comprises: install casing, lid subassembly, contact pin subassembly and piezoelectric mechanism, be equipped with out the sound chamber on the installation casing, piezoelectric mechanism installs inside the installation casing, be equipped with assembly portion on the installation casing, the contact pin subassembly is installed in the assembly portion, the one end of contact pin subassembly is followed the play sound direction in play sound chamber is worn out the assembly portion, the other end of contact pin subassembly is the end of buckling, the end of buckling of contact pin subassembly with piezoelectric mechanism electric connection, the lid subassembly be used for with the contact pin subassembly is contradicted fixedly.

In one embodiment, the installation shell comprises a first splicing shell and a second splicing shell, the first splicing shell is installed and matched with the second splicing shell, the assembling portion is installed and matched with the first splicing shell, the first splicing shell is communicated with the second splicing shell, the piezoelectric mechanism is installed inside the first splicing shell, and the piezoelectric mechanism is matched with a cavity of the second splicing shell to form the sound outlet cavity.

In one embodiment, the end of the second splicing shell is provided with an annular collision part along the circumferential direction of the second splicing shell, when the first splicing shell and the second splicing shell are assembled, the annular collision part extends into the first splicing shell, and the piezoelectric mechanism is abutted to the annular collision part.

In one embodiment, a mounting cavity is formed in the assembling portion, the mounting cavity is communicated with the interior of the first splicing shell, the pin assembly is mounted in the mounting cavity, and an adapting hole for allowing the end of the pin assembly to penetrate out is formed in the bottom of the mounting cavity.

In one embodiment, the needle-out buzzer further comprises a butting seat, the butting seat is mounted at the bottom of the mounting cavity, a plurality of aligning holes for the needle insertion assembly to pass through are further formed in the butting seat, and the needle insertion assembly is abutted to the butting seat in a mounting mode.

In one embodiment, the contact pin assembly comprises an adaptation block and a plurality of contact pins, the contact pins are arranged on the adaptation block at intervals, first ends of the contact pins extend out of one surface of the adaptation block, second ends of the contact pins are bent ends, the bent ends of the contact pins extend out of the other surface of the adaptation block, the adaptation block is in interference fit with the abutting seat, the first ends of the contact pins sequentially penetrate through the aligning holes and the adaptation holes, and the bent ends of the contact pins are electrically connected with the piezoelectric mechanism.

In one embodiment, the cover assembly includes a first cover and a second cover, the first cover and the second cover are fixedly connected to each other, the first cover is used for being buckled and engaged with the first jointing housing, the second cover is used for being buckled and engaged with the assembling portion, and the second cover is abutted and fixed to the pin assembly.

In one embodiment, a plurality of assembling ports are formed at intervals at one end of the first spliced shell facing the first cover body along the circumferential direction of the first spliced shell.

In one embodiment, a first abutting ring is arranged on the end surface of the first cover body along the circumferential direction of the first cover body, and the first cover body is abutted and fixed with the first splicing shell through the first abutting ring; and a second butting ring is arranged on the end face of the second cover body along the circumferential direction of the second cover body, and the second cover body is butted and fixed with the assembling part through the second butting ring.

In one embodiment, the assembling portion is integrally injection-molded with the first splice housing or the assembling portion is formed by splicing with the first splice housing.

Above-mentioned play needle formula buzzer at first confirms the inside space of seting up of installation casing according to the shape and the size of piezoelectric mechanism to guarantee that piezoelectric mechanism can effectively install inside the installation casing. When the assembly part is additionally arranged on the installation shell, the structural size and the shape of the assembly part can be adaptively designed according to the structure of the pin assembly, and meanwhile, the assembly part can be integrally formed or spliced with the installation shell. Further, through add on the installation casing and establish assembly portion to install the contact pin subassembly through assembly portion, thereby can effectively avoid installation casing self structure to the installation influence of contact pin subassembly, simultaneously, through orientation or the mounted position of adjustment contact pin subassembly in assembly portion, thereby can realize that contact pin subassembly tip orientation and installation casing play sound direction are unanimous. After the contact pin assembly is installed on the assembly portion, the bending end of the contact pin assembly can adjust the bending angle of the bending end according to the position of the piezoelectric mechanism in the installation shell, and therefore the contact pin assembly is electrically connected with the piezoelectric mechanism. The needle-out buzzer can be effectively assembled and welded to be connected through additionally arranging the assembling part and adjusting the structure of the insertion needle assembly.

Drawings

FIG. 1 is a schematic exploded view of a needle-out buzzer;

FIG. 2 is a schematic view of an assembly structure of the needle-out type buzzer;

fig. 3 is a sectional view of the internal structure of the needle-out buzzer.

100. Installation casing, 110, go out the sound chamber, 120, first concatenation casing, 121, assembly opening, 130, second concatenation casing, 131, annular conflict portion, 200, lid subassembly, 210, first lid, 220, second lid, 300, contact pin subassembly, 310, adaptation piece, 320, contact pin, 400, piezoelectric mechanism, 500, assembly portion, 510, installation chamber, 600, butt seat, 610, counterpoint hole.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, 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", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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 the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. 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.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 3, in one embodiment, the needle-out buzzer includes: installation casing 100, lid subassembly 200, contact pin subassembly 300 and piezoelectric mechanism 400, be equipped with out sound chamber 110 on the installation casing 100, piezoelectric mechanism 400 is installed inside the installation casing 100, be equipped with assembly 500 on the installation casing 100, contact pin subassembly 300 is installed on the assembly 500, the one end of contact pin subassembly 300 is followed the play sound direction in play sound chamber 110 is worn out assembly 500, the other end of contact pin subassembly 300 is the end of buckling, the end of buckling of contact pin subassembly 300 with piezoelectric mechanism 400 electric connection, lid subassembly 200 be used for with contact pin subassembly 300 contradicts fixedly.

In the above-described needle-out type buzzer, the opening space inside the mounting case 100 is first determined according to the shape and size of the piezoelectric mechanism 400, thereby ensuring that the piezoelectric mechanism 400 can be effectively mounted inside the mounting case 100. When the mounting portion 500 is additionally disposed on the mounting housing 100, the structural size and shape of the mounting portion 500 may be adaptively designed according to the structure of the pin assembly 300, and the mounting portion 500 may be integrally formed or spliced with the mounting housing 100. Further, the assembling portion 500 is additionally arranged on the mounting housing 100, and the pin assembly 300 is mounted through the assembling portion 500, so that the mounting influence of the structure of the mounting housing 100 on the pin assembly 300 can be effectively avoided, and meanwhile, the orientation or the mounting position of the pin assembly 300 on the assembling portion 500 is adjusted, so that the orientation of the end of the pin assembly 300 is consistent with the sound emitting direction of the mounting housing 100. After the pin assembly 300 is mounted on the mounting portion 500, the bending end of the pin assembly 300 can adjust the bending angle of the bending end according to the position of the piezoelectric mechanism 400 in the mounting housing 100, so as to electrically connect the pin assembly 300 and the piezoelectric mechanism 400. The needle-out buzzer can be effectively assembled and welded by additionally arranging the assembling part 500 and adjusting the structure of the insertion needle assembly 300.

With reference to fig. 1 to 3, in an embodiment, the mounting housing 100 includes a first splicing housing 120 and a second splicing housing 130, the first splicing housing 120 is mounted and matched with the second splicing housing 130, the assembling portion 500 is mounted and matched with the first splicing housing 120, the first splicing housing 120 is communicated with the second splicing housing 130, the piezoelectric mechanism 400 is mounted inside the first splicing housing 120, and the piezoelectric mechanism 400 is matched with a cavity of the second splicing housing 130 to form the sound outlet cavity 110. Specifically, the fitting part 500 is a case or housing. The first splice housing 120 and the second splice housing 130 can be integrally formed or splice formed. In this embodiment, the second splice housing 130 is installed at the bottom of the first splice housing 120, and at this time, the assembling portion 500 is installed and matched with the first splice housing 120, so that the installation influence of the structure of the installation housing 100 on the insertion needle assembly 300 can be effectively avoided. Furthermore, the area of the end surface of the first splice housing 120 is larger than that of the end surface of the second splice housing 130, which is convenient for assembling the needle-out buzzer on the one hand, and ensures the sound-out effect of the needle-out buzzer on the other hand.

Referring to fig. 1 to 3, in an embodiment, an annular interference portion 131 is disposed at an end of the second splice housing 130 along a circumferential direction of the second splice housing 130, when the first splice housing 120 and the second splice housing 130 are assembled, the annular interference portion 131 extends into the first splice housing 120, and the piezoelectric mechanism 400 is abutted against the annular interference portion 131. Specifically, the piezoelectric mechanism 400 is a piezoelectric sheet or a piezoelectric vibrator. The annular interference portion 131 is a convex ring or an annular interference block. Supplementary fixed is carried out piezoelectric mechanism 400 through annular conflict portion 131 to can effectively improve the fixed effect of piezoelectric mechanism 400 inside first concatenation casing 120. Further, when the piezoelectric mechanism 400 is fixed, the piezoelectric mechanism 400 and the first splice case 120 may be fixed in an auxiliary manner by silicone rubber.

Referring to fig. 1, in an embodiment, a mounting cavity 510 is formed in the mounting portion 500, the mounting cavity 510 is communicated with the inside of the first splice housing 120, the pin assembly 300 is mounted in the mounting cavity 510, and an adapting hole for allowing the end of the pin assembly 300 to pass through is formed in the bottom of the mounting cavity 510. In particular, such an embodiment described above ensures the hermeticity of the pin assembly 300 in the out-pin buzzer. Further, the mounting cavity 510 is communicated with the inside of the first splice housing 120, so as to further facilitate the electrical connection between the pin assembly 300 and the piezoelectric mechanism 400.

Referring to fig. 1, in an embodiment, the needle-out buzzer further includes a supporting seat 600, the supporting seat 600 is installed at the bottom of the installation cavity 510, and the supporting seat 600 is further provided with a plurality of alignment holes 610 for the insertion needle assembly 300 to pass through, and the insertion needle assembly 300 is installed and abutted against the supporting seat 600. Specifically, the abutting seat 600 is additionally arranged in the mounting cavity 510, so that the fixed position of the pin assembly 300 in the mounting cavity 510 can be adjusted, that is, the pin assembly 300 and the piezoelectric mechanism 400 can be more conveniently electrically connected. Further, the shape and the size of the abutting seat 600 can be adjusted adaptively according to the shape and the size of the pin assembly 300, and the aligning installation effect of the pin assembly 300 and the abutting seat 600 is ensured. In addition, set up counterpoint hole 610 on butt seat 600, after inserting counterpoint hole 610, can wear out from the adaptation hole more smoothly to the installation of making contact pin subassembly 300 on assembly portion 500 is more convenient, is convenient for carry out automated assembly or production simultaneously.

Referring to fig. 1 to 3, in an embodiment, the pin assembly 300 includes an adapter block 310 and a plurality of pins 320, the plurality of pins 320 are disposed on the adapter block 310 at intervals, first ends of the pins 320 extend out of one side of the adapter block 310, second ends of the pins 320 are bent ends, the bent ends of the pins 320 extend out of the other side of the adapter block 310, the adapter block 310 is in interference fit with the abutting seat 600, the first ends of the pins 320 sequentially pass through the aligning holes 610 and the adapting holes, and the bent ends of the pins 320 are electrically connected to the piezoelectric mechanism 400. In particular, the adapter block 310 may be a plastic or plastic block. First, the plurality of pins 320 are integrally mounted through the adapter 310, and the abutment base 600 is provided with the aligning holes 610 corresponding to the number of the pins 320 and the mounting portion 500 is provided with the adapting holes corresponding to the number of the pins 320. The adapter block 310 is then aligned with the abutment seat 600, and the plurality of pins 320 pass through the corresponding alignment holes 610 and the adapter holes in sequence. Such an embodiment as described above can facilitate installation of the pin assembly 300.

Referring to fig. 1, in an embodiment, the cover assembly 200 includes a first cover 210 and a second cover 220, the first cover 210 is fixedly connected to the second cover 220, the first cover 210 is used for being buckled with the first jointing housing 120, the second cover 220 is used for being buckled with the assembling portion 500, and the second cover 220 is abutted against and fixed to the pin assembly 300. Specifically, the first cover 210 and the first splicing casing 120 are detachably installed and matched, so that the integrity of the needle-out buzzer is improved, and meanwhile, the influence of external impurities on the structure inside the installation casing 100 can be avoided. Through the detachable installation and cooperation of the second cover 220 and the assembling portion 500, the mutual interference between the second cover 220 and the pin assembly 300 is realized, i.e. the pin assembly 300 can be more effectively fixed in the assembling portion 500. Further, the first cover 210 and the second cover 220 are integrally formed, so that the needle-out buzzer can be more conveniently packaged.

Referring to fig. 1 and 2, in one embodiment, a plurality of assembling holes 121 are formed at intervals along the circumferential direction of the first splice case 120 at one end of the first splice case 120 facing the first cover 210. Specifically, considering that the end of the first cover 210 may generate different degrees of elastic deformation when the first cover 210 is fastened to the first splice case 120, the above embodiment facilitates the elastic deformation of the first splice case 120, so that the fastening of the first cover 210 and the first splice case 120 is more convenient. For example: a first abutting ring is arranged on the end surface of the first cover 210 along the circumferential direction of the first cover 210, and the first cover 210 is abutted and fixed with the first splice case 120 through the first abutting ring; a second abutting ring is arranged on the end face of the second cover 220 along the circumferential direction of the second cover 220, and the second cover 220 abuts against and is fixed to the assembling portion 500 through the second abutting ring.

In one embodiment, the fitting part 500 is integrally injection molded with the first splice housing 120 or the fitting part 500 is splice molded with the first splice housing 120. Specifically, when the fitting part 500 is integrally injection molded with the first splice case 120, the fitting accuracy of the fitting part 500 and the first splice case 120 can be ensured. When the fitting part 500 is formed by splicing with the first splice case 120, the fitting property of the fitting part 500 with the first splice case 120 can be improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An exit needle buzzer, characterized in that the exit needle buzzer comprises: install casing, lid subassembly, contact pin subassembly and piezoelectric mechanism, be equipped with out the sound chamber on the installation casing, piezoelectric mechanism installs inside the installation casing, be equipped with assembly portion on the installation casing, the contact pin subassembly is installed in the assembly portion, the one end of contact pin subassembly is followed the play sound direction in play sound chamber is worn out the assembly portion, the other end of contact pin subassembly is the end of buckling, the end of buckling of contact pin subassembly with piezoelectric mechanism electric connection, the lid subassembly be used for with the contact pin subassembly is contradicted fixedly.

2. The needle-out buzzer of claim 1, wherein the mounting housing comprises a first splicing housing and a second splicing housing, the first splicing housing is mounted and matched with the second splicing housing, the assembling portion is mounted and matched with the first splicing housing, the first splicing housing is communicated with the second splicing housing, the piezoelectric mechanism is mounted inside the first splicing housing, and the piezoelectric mechanism is matched with a cavity of the second splicing housing to form the sound-out cavity.

3. The needle-out buzzer of claim 2, wherein an annular abutting portion is disposed at an end of the second split case along a circumferential direction of the second split case, and when the first split case and the second split case are assembled, the annular abutting portion extends into the first split case, and the piezoelectric mechanism abuts against the annular abutting portion.

4. The needle-out buzzer as claimed in claim 2, wherein a mounting cavity is provided in the assembling portion, the mounting cavity is communicated with the inside of the first splicing casing, the needle assembly is mounted in the mounting cavity, and an adapting hole for the end of the needle assembly to penetrate out is provided at the bottom of the mounting cavity.

5. The needle-out buzzer as claimed in claim 4, further comprising a butting seat, wherein the butting seat is mounted at the bottom of the mounting cavity, and the butting seat is further provided with a plurality of alignment holes for the insertion needle assembly to pass through, and the insertion needle assembly abuts against the butting seat.

6. The needle-out buzzer as claimed in claim 5, wherein the needle assembly comprises an adapter block and a plurality of contact pins, the contact pins are arranged on the adapter block at intervals, the first ends of the contact pins extend out of one surface of the adapter block, the second ends of the contact pins are bent ends, the bent ends of the contact pins extend out of the other surface of the adapter block, the adapter block is in interference fit with the abutting seat, the first ends of the contact pins sequentially pass through the aligning holes and the adapting holes, and the bent ends of the contact pins are electrically connected with the piezoelectric mechanism.

7. The needle-out buzzer of claim 2, wherein the cover assembly comprises a first cover and a second cover, the first cover is spliced and fixed with the second cover, the first cover is used for buckling, fitting and matching with the first splicing shell, the second cover is used for buckling, fitting and matching with the assembling portion, and the second cover is abutted and fixed with the needle insertion assembly.

8. The needle-out buzzer of claim 7, wherein a plurality of assembling ports are formed at intervals along a circumferential direction of the first spliced shell at one end of the first spliced shell facing the first cover.

9. The needle-out buzzer of claim 7, wherein a first abutting ring is disposed on an end surface of the first cover body along a circumferential direction of the first cover body, and the first cover body is abutted and fixed with the first splicing housing by the first abutting ring; and a second butting ring is arranged on the end face of the second cover body along the circumferential direction of the second cover body, and the second cover body is butted and fixed with the assembling part through the second butting ring.

10. The needle-out buzzer of claim 2, wherein the assembling portion is integrally injection molded with the first split case or the assembling portion is split molded with the first split case.