CN211404042U - Buzzer convenient to replace - Google Patents
Buzzer convenient to replace Download PDFInfo
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- CN211404042U CN211404042U CN201922206375.4U CN201922206375U CN211404042U CN 211404042 U CN211404042 U CN 211404042U CN 201922206375 U CN201922206375 U CN 201922206375U CN 211404042 U CN211404042 U CN 211404042U
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Abstract
The utility model provides a buzzer convenient to replace, which comprises a shell and a piezoelectric buzzer piece arranged in the shell, wherein the piezoelectric buzzer piece comprises a piezoelectric material and a metal elastic piece which are mutually fixed, and also comprises two first metal pieces, and the bottom of each first metal piece is provided with a first jack; the mounting base is internally provided with a first containing cavity; two first limiting columns extend upwards from the bottom surface of the first cavity, and first blind holes are formed in the end surfaces of the first limiting columns; and a second metal piece is arranged in the first blind hole and comprises a metal column and a first contact pin extending out of the top of the metal column. When the buzzer convenient to replace is damaged, the shell of the buzzer is directly separated from the mounting seat, and a new buzzer shell is inserted, so that a common user can complete replacement by hands without using special tools such as electric iron or a screwdriver.
Description
Technical Field
The utility model relates to a bee calling organ technical field especially relates to a bee calling organ convenient to change.
Background
The buzzer is an electronic buzzer with an integrated structure and is wide in application occasions. Due to the low cost of the buzzer, the buzzer is generally replaced rather than repaired when damaged during use. In the prior art, the original buzzer needs to be dismounted and then mounted again when the buzzer is replaced, so that non-technical personnel or the situation that special tools such as a screwdriver and an electric soldering iron are not available cannot perform the operation, and inconvenience is brought to a user. Therefore, there is a need for an improvement in the prior art to achieve a quick change of the buzzer.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the buzzer is difficult to replace by non-technicians or without special tools. The utility model provides a buzzer convenient to change solves above-mentioned problem.
The utility model provides a technical scheme that its technical problem adopted is: a buzzer for facilitating replacement, comprising:
the piezoelectric buzzer comprises a shell and a piezoelectric buzzer piece arranged in the shell, wherein the piezoelectric buzzer piece comprises a piezoelectric material and a metal elastic sheet which are fixed mutually;
two first metal pieces are arranged at the bottom of the shell, and first jacks are formed in the bottoms of the first metal pieces; the two first metal pieces are respectively and electrically connected with the piezoelectric material and the metal elastic piece;
the mounting base is internally provided with a first containing cavity; two first limiting columns extend upwards from the bottom surface of the first cavity, and first blind holes are formed in the end surfaces of the first limiting columns; a second metal piece is arranged in the first blind hole and comprises a metal column and a first contact pin extending out of the top of the metal column, and the first contact pin is suitable for being inserted into the first jack; the outer wall of the metal column is matched with the inner wall of the first blind hole, and the metal column is in sliding fit with the first blind hole;
a compression spring is further arranged in the first blind hole, one end of the compression spring abuts against the bottom of the metal column, and the other end of the compression spring abuts against the bottom of the first blind hole; a second through hole is formed in the bottom surface of the first blind hole, one end of each pin is fixed to the bottom of the metal column, and the other end of each pin penetrates through the compression spring and the second through hole to reach the external space;
the top of the mounting seat is also provided with two third through holes communicated with the first cavity, and the two third through holes are respectively positioned above the two first limiting columns; the end part of the first contact pin extends out of the corresponding third through hole to the external space.
Preferably, the shell is cylindrical, and two first through holes are formed in the bottom surface of the shell; the bottom surface of the shell is recessed with an annular recessed part close to the edge of the first through hole;
a circle of first annular bulge part is radially bulged at the edge of the bottom of the first metal piece;
the tops of the two first metal pieces are respectively inserted into the shell from the two first through holes, and the first annular convex part is positioned in the annular concave part and fixedly connected with the annular concave part; one first metal piece is connected with the piezoelectric material through a lead, and the other first metal piece is connected with the metal elastic piece through a lead.
Preferably, the mounting seat further comprises an annular plate, a ring of annular grooves are recessed in the outer wall of the mounting seat, and the annular plate is positioned in the annular grooves and can rotate;
the outer circumference of the annular plate extends out of the annular groove, and a sleeve axially extends out of the outer circumference of the annular plate;
the outer wall of the shell is provided with external threads, and the inner wall of the sleeve is provided with internal threads;
the two first contact pins are respectively inserted into the two first jacks, the sleeve is sleeved on the shell, and the internal thread is matched with the external thread.
Preferably, the top of the mounting seat further extends upwards to form a plurality of first positioning columns, and the height of each first positioning column is higher than the upper edge of the corresponding sleeve;
the bottom of the shell is provided with a plurality of first positioning holes, the first positioning holes correspond to the first positioning columns one to one, and the first positioning columns are inserted into the corresponding first positioning holes.
Preferably, the mounting seat comprises a seat body and an upper cover;
the seat body is cylindrical, and a second blind hole is formed in the top end face of the seat body; a circle of second annular bulge part axially extends from the edge of the top end surface of the seat body, which is close to the second blind hole;
a circle of flange is further protruded on the inner wall of the second blind hole;
the upper cover is a circular plate, a plurality of fixing columns axially extend out of the bottom surface of the upper cover plate, and clamping hooks suitable for clamping the flanges are arranged at the end parts of the fixing columns; the upper cover is covered at the upper end of the second blind hole, the fixing column extends into the second blind hole, and the clamping hook is clamped with the flange;
the second blind hole and the upper cover enclose the first cavity, and the bottom surface of the upper cover, the outer circumference of the second annular bulge and the top end surface of the seat body enclose the annular groove;
the first limiting column is located on the bottom surface of the second blind hole, the third through hole is formed in the upper cover, and the first positioning column is located on the top surface of the upper cover.
Preferably, a plurality of second positioning columns axially extend out of the top end surface of the second annular bulge, second positioning holes are formed in the positions, corresponding to the second positioning columns, of the upper cover, the second positioning holes are through holes, and the second positioning columns are inserted into the second positioning holes;
the rubber gasket is provided with a plurality of fourth through holes, the fourth through holes correspond to the second positioning columns one by one, the corresponding second positioning columns are sleeved with the fourth through holes, and the rubber gasket is abutted against the top end face of the second annular bulge and the bottom face of the upper cover.
Preferably, the first socket and the first pin are in a truncated cone shape with a small top and a big bottom, and the taper of the first socket and the taper of the first pin are equal.
The beneficial effects of the utility model are that, this kind of bee calling organ convenient to change when damaging, directly separate bee calling organ's casing and mount pad, insert new bee calling organ's casing can, need not use specialized tool such as electric iron or screwdriver, the bare-handed change that just can be accomplished to the general user.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is an exploded view of an embodiment of the present invention, which is a buzzer convenient to replace.
Fig. 2 is an exploded view of the preferred embodiment of the buzzer of the present invention, which is easy to replace.
Fig. 3 is an exploded view of the preferred embodiment of the buzzer of the present invention, which is easy to replace.
Figure 4 is a cross-sectional view of the mounting base of the preferred embodiment of a buzzer of the present invention for easy replacement.
Fig. 5 is a schematic structural diagram of an embodiment of the present invention, which is convenient for replacement of the buzzer.
In the figure, 1, a housing, 101, a first through hole, 102, an annular recess, 103, an external thread, 104, a first positioning hole, 2, a first metal piece, 201, a first jack, 202, a first annular protrusion, 301, a base body, 3011, a second blind hole, 3012, a first limiting column, 3013, a first blind hole, 3014, a second annular protrusion, 3015, a second positioning column, 3016, a flange, 3017, a second through hole, 302, an upper cover, 3021, a fixing column, 3022, a snap, 3023, a second positioning hole, 3024, a third through hole, 3025, a first positioning column, 303, a compression spring, 304, a rubber gasket, 3041, a fourth through hole, 305, a pin, 306, a first cavity, 307, an annular groove, 4, a second metal piece, 401, a metal column, 402, a first annular plate, a pin, 502, a sleeve, 503, and an internal thread.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting 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", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, 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 the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1-5, the utility model provides a buzzer convenient to change, include:
the piezoelectric buzzer comprises a shell 1 and a piezoelectric buzzer piece arranged in the shell 1, wherein the piezoelectric buzzer piece comprises a piezoelectric material and a metal elastic sheet which are mutually fixed.
The casing 1 is cylindrical, and two first through holes 101 are opened on the bottom surface of the casing 1. The bottom surface of the housing 1 is recessed with an annular recess 102 against the edge of the first through hole 101.
The novel metal piece structure is characterized by further comprising two first metal pieces 2, wherein a first jack 201 is formed in the bottom of each first metal piece 2, and a circle of first annular protruding portion 202 protrudes radially from the edge of the bottom of each first metal piece 2.
The tops of the two first metal pieces 2 are respectively inserted into the housing 1 from the two first through holes 101, and the first annular convex part 202 is located in the annular concave part 102 and is fixedly connected with the annular concave part 102 through glue. One first metal piece 2 is connected with the piezoelectric material through a lead, and the other first metal piece 2 is connected with the metal elastic piece through a lead.
The mounting base has a first cavity 306 therein. Two first limiting columns 3012 extend upwards from the bottom surface of the first cavity 306, and first blind holes 3013 are formed in the end surfaces of the first limiting columns 3012.
A second metal piece 4 is disposed in the first blind hole 3013, the second metal piece 4 includes a metal pillar 401 and a first pin 402 protruding from a top of the metal pillar 401, and the first pin 402 is adapted to be inserted into the first socket 201. The outer wall of the metal column 401 is matched with the inner wall of the first blind hole 3013, and the metal column 401 is in sliding fit with the first blind hole 3013.
The first blind hole 3013 is further provided with a compression spring 303, one end of the compression spring 303 abuts against the bottom of the metal column 401, and the other end abuts against the bottom of the first blind hole 3013. The bottom surface of the first blind hole 3013 is further provided with a second through hole 3017, one end of the pin 305 is fixed to the bottom of the metal column 401, and the other end of the pin passes through the compression spring 303 and the second through hole 3017 to an external space.
The top of the mounting base is further provided with two third through holes 3024 communicated with the first cavity 306, and the two third through holes 3024 are respectively located above the two first limiting posts 3012. The end of the first pin 402 protrudes from the corresponding third through hole 3024 to the external space.
When the buzzer convenient to replace is used, two pins 305 of the buzzer are respectively welded into a circuit, then two first insertion holes 201 are respectively aligned to two first insertion pins 402, and then the shell 1 and the mounting base are pressed towards each other, so that the first insertion pins 402 are inserted into the first insertion holes 201. In the process of inserting, if the first pin 402 is inserted into the first socket 201, the compression spring 303 is compressed by a force, so that the first pin 402 retracts a distance, and meanwhile, the compression spring 303 gives an external force to the second metal piece 4 to push the first pin 402 into the first socket 201. Through the structure, the first pin 402 can be well inserted into the first jack 201, and damage to the jack or the pin due to excessive insertion force is avoided.
When the buzzer convenient to replace is damaged, the shell 1 of the buzzer is directly separated from the mounting seat, the shell 1 of a new buzzer is inserted, special tools such as electric iron or a screwdriver are not needed, a common user can complete replacement by hands, and the shell 1 is used as a replacement part, so that the buzzer is simple in structure, does not have a protruding pin 305 or a contact pin, and is convenient to store.
According to another embodiment, the buzzer for easy installation further comprises an annular plate 501, a ring of annular groove 307 is recessed on the outer wall of the mounting seat, and the annular plate 501 is positioned in the annular groove 307 and can rotate.
The outer circumference of the annular plate 501 projects out of the annular groove 307, and the outer circumference of the annular plate 501 projects axially with a sleeve 502.
The outer wall of the housing 1 is provided with external threads 103, and the inner wall of the sleeve 502 is provided with internal threads 503.
The two first pins 402 are respectively inserted into the two first insertion holes 201, the sleeve 502 is sleeved on the housing 1, and the internal thread 503 is matched with the external thread 103.
The top of the mounting base also extends upwards to form a plurality of first positioning posts 3025, and the height of the first positioning posts 3025 is higher than the upper edge of the sleeve 502. The bottom of the housing 1 is provided with a plurality of first positioning holes 104, the first positioning holes 104 correspond to the first positioning posts 3025 one by one, and the first positioning posts 3025 are inserted into the corresponding first positioning holes 104.
In this embodiment, the outer wall of the housing 1 is engaged with the inner wall of the sleeve 502 through a screw thread, and during installation, the two first pins 402 are required to be aligned with the two first insertion holes 201 respectively, the bottom of the housing 1 is placed in the mouth of the sleeve 502, and then the sleeve 502 is rotated, so that the housing 1 gradually approaches the mounting seat until the first pins 402 are inserted into the first insertion holes 201.
The first positioning posts 3025 and the first positioning holes 104 are used for positioning, and when the first positioning posts 3025 correspond to the first positioning holes 104 one by one, the two first pins 402 are aligned with the two first insertion holes 201. During installation, the first positioning posts 3025 are inserted into the corresponding first positioning holes 104, and then the sleeve 502 is rotated to install the housing 1, during the process, the first positioning posts 3025 and the first positioning holes 104 can limit the relative rotation between the housing 1 and the mounting seat, so that the installation convenience is further improved.
According to a further embodiment, the mounting base comprises a base body 301 and an upper cover 302.
A ring of flange 3016 is also projected on the inner wall of the second blind hole 3011.
The upper cover 302 is a circular plate, a plurality of fixing posts 3021 axially extend from the bottom surface of the upper cover 302, and the ends of the fixing posts 3021 are provided with hooks 3022 suitable for catching the flange 3016. The upper cover 302 covers the upper end of the second blind hole 3011, and the fixing post 3021 extends into the second blind hole 3011, and the hook 3022 is engaged with the flange 3016.
The second blind hole 3011 and the upper cover 302 define a first cavity 306, and the bottom surface of the upper cover 302, the outer circumference of the second annular protrusion 3014 and the top end surface of the base 301 define an annular groove 307.
The first limiting column 3012 is located on the bottom surface of the second blind hole 3011, the third through hole 3024 is opened in the upper cover 302, and the first positioning column 3025 is located on the top surface of the upper cover 302.
In this embodiment, the mounting base is divided into two parts, namely, a base body 301 and an upper cover 302, and in the process of manufacturing and assembling the mounting base, the second metal piece 4, the pins 305 and the compression springs 303 are firstly installed in the first blind holes 3013, and then the upper cover 302 and the base body 301 are installed.
According to another embodiment, a plurality of second positioning posts 3015 axially extend from a top end surface of the second annular protrusion 3014, a second positioning hole 3023 is formed in a position of the upper cover 302 corresponding to the second positioning posts 3015, the second positioning hole 3023 is a through hole, and the second positioning post 3015 is inserted into the second positioning hole 3023. The second positioning posts 3015 and the second positioning holes 3023 cooperate to perform a positioning function, and when the second positioning posts 3015 are aligned with the corresponding second positioning holes 3023, the two third through holes 3024 are located just above the two first limiting posts 3012, respectively. The second positioning holes 3023 are through holes to facilitate observing whether the second positioning posts 3015 are aligned with the second positioning holes 3023 from the top surface of the upper cover 302.
The rubber gasket 304 is further included, a plurality of fourth through holes 3041 are formed in the rubber gasket 304, the fourth through holes 3041 correspond to the second positioning posts 3015 one by one, the fourth through holes 3041 are sleeved on the corresponding second positioning posts 3015, and the rubber gasket 304 abuts against between the top end surface of the second annular protrusion and the bottom surface of the upper cover 302.
Because the rubber gasket 304 has elasticity, the upper cover 302 and the base 301 are pushed against in opposite directions under the action of the elasticity, so that the hook 3022 can be tightly clamped on the flange 3016, and the upper cover 302 and the base 301 can be stably installed.
According to another embodiment, the first receptacle 201 and the first pin 402 are each in the shape of a truncated cone with a small top and a large bottom, and the tapers of the first receptacle 201 and the first pin 402 are equal.
Compared with the first jack 201 and the first pin 402 which are arranged in the cylindrical shape with the same upper and lower parts, when the first jack 201 and the first pin 402 are inserted and combined, the outer wall of the first pin 402 and the inner wall of the first jack 201 can be better attached to each other, and the first pin 402 is convenient to pull out.
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, a schematic representation of the term does not necessarily 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.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a bee calling organ convenient to change, includes the casing and locates the piezoelectricity buzzer piece in the casing, piezoelectricity buzzer piece is including fixed piezoelectric material and metal shrapnel each other, its characterized in that:
two first metal pieces are arranged at the bottom of the shell, and first jacks are formed in the bottoms of the first metal pieces; the two first metal pieces are respectively and electrically connected with the piezoelectric material and the metal elastic piece;
the mounting base is internally provided with a first containing cavity; two first limiting columns extend upwards from the bottom surface of the first cavity, and first blind holes are formed in the end surfaces of the first limiting columns; a second metal piece is arranged in the first blind hole and comprises a metal column and a first contact pin extending out of the top of the metal column, and the first contact pin is suitable for being inserted into the first jack; the outer wall of the metal column is matched with the inner wall of the first blind hole, and the metal column is in sliding fit with the first blind hole;
a compression spring is further arranged in the first blind hole, one end of the compression spring abuts against the bottom of the metal column, and the other end of the compression spring abuts against the bottom of the first blind hole; a second through hole is formed in the bottom surface of the first blind hole, one end of each pin is fixed to the bottom of the metal column, and the other end of each pin penetrates through the compression spring and the second through hole to reach the external space;
the top of the mounting seat is also provided with two third through holes communicated with the first cavity, and the two third through holes are respectively positioned above the two first limiting columns; the end part of the first contact pin extends out of the corresponding third through hole to the external space.
2. A buzzer as claimed in claim 1, which is easy to replace, wherein:
the shell is cylindrical, and two first through holes are formed in the bottom surface of the shell; the bottom surface of the shell is recessed with an annular recessed part close to the edge of the first through hole;
a circle of first annular bulge part is radially bulged at the edge of the bottom of the first metal piece;
the tops of the two first metal pieces are respectively inserted into the shell from the two first through holes, and the first annular convex part is positioned in the annular concave part and fixedly connected with the annular concave part; one first metal piece is connected with the piezoelectric material through a lead, and the other first metal piece is connected with the metal elastic piece through a lead.
3. A buzzer as claimed in claim 2, which is easy to replace, wherein:
the mounting seat is characterized by further comprising an annular plate, a circle of annular groove is formed in the outer wall of the mounting seat in a recessed mode, and the annular plate is located in the annular groove and can rotate;
the outer circumference of the annular plate extends out of the annular groove, and a sleeve axially extends out of the outer circumference of the annular plate;
the outer wall of the shell is provided with external threads, and the inner wall of the sleeve is provided with internal threads;
the two first contact pins are respectively inserted into the two first jacks, the sleeve is sleeved on the shell, and the internal thread is matched with the external thread.
4. A buzzer convenient to replace as claimed in claim 3, wherein:
a plurality of first positioning columns extend upwards from the top of the mounting seat, and the height of each first positioning column is higher than the upper edge of the sleeve;
the bottom of the shell is provided with a plurality of first positioning holes, the first positioning holes correspond to the first positioning columns one to one, and the first positioning columns are inserted into the corresponding first positioning holes.
5. A buzzer convenient to replace as claimed in claim 4, wherein:
the mounting seat comprises a seat body and an upper cover;
the seat body is cylindrical, and a second blind hole is formed in the top end face of the seat body; a circle of second annular bulge part axially extends from the edge of the top end surface of the seat body, which is close to the second blind hole;
a circle of flange is further protruded on the inner wall of the second blind hole;
the upper cover is a circular plate, a plurality of fixing columns axially extend out of the bottom surface of the upper cover plate, and clamping hooks suitable for clamping the flanges are arranged at the end parts of the fixing columns; the upper cover is covered at the upper end of the second blind hole, the fixing column extends into the second blind hole, and the clamping hook is clamped with the flange;
the second blind hole and the upper cover enclose the first cavity, and the bottom surface of the upper cover, the outer circumference of the second annular bulge and the top end surface of the seat body enclose the annular groove;
the first limiting column is located on the bottom surface of the second blind hole, the third through hole is formed in the upper cover, and the first positioning column is located on the top surface of the upper cover.
6. A buzzer convenient to replace as claimed in claim 5, wherein:
a plurality of second positioning columns axially extend out of the top end face of the second annular bulge, second positioning holes are formed in the positions, corresponding to the second positioning columns, of the upper cover, the second positioning holes are through holes, and the second positioning columns are inserted into the second positioning holes;
the rubber gasket is provided with a plurality of fourth through holes, the fourth through holes correspond to the second positioning columns one by one, the corresponding second positioning columns are sleeved with the fourth through holes, and the rubber gasket is abutted against the top end face of the second annular bulge and the bottom face of the upper cover.
7. A buzzer convenient to replace as claimed in claim 6, wherein:
the first jack and the first pin are in a truncated cone shape with a small top and a big bottom, and the taper of the first jack and the taper of the first pin are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922206375.4U CN211404042U (en) | 2019-12-10 | 2019-12-10 | Buzzer convenient to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922206375.4U CN211404042U (en) | 2019-12-10 | 2019-12-10 | Buzzer convenient to replace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211404042U true CN211404042U (en) | 2020-09-01 |
Family
ID=72231214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922206375.4U Active CN211404042U (en) | 2019-12-10 | 2019-12-10 | Buzzer convenient to replace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211404042U (en) |
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2019
- 2019-12-10 CN CN201922206375.4U patent/CN211404042U/en active Active
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