CN214589307U - Contact spring sheet and buzzer connecting structure - Google Patents
Contact spring sheet and buzzer connecting structure Download PDFInfo
- Publication number
- CN214589307U CN214589307U CN202120602473.4U CN202120602473U CN214589307U CN 214589307 U CN214589307 U CN 214589307U CN 202120602473 U CN202120602473 U CN 202120602473U CN 214589307 U CN214589307 U CN 214589307U
- Authority
- CN
- China
- Prior art keywords
- welding
- buzzer
- contact spring
- bending
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
Abstract
The utility model discloses a contact spring and buzzer connecting structure, wherein the contact spring comprises a fixed structure, which is provided with a first welding part, a bending part formed by bending and extending forwards from the first welding part and a second welding part formed by extending forwards from the bending part, the first welding part and the second welding part are welded with a circuit board; the first connecting part is arc-shaped and is connected with the first welding part; and the abutting structure is provided with a holding part connected with the first connecting part and a spring piece part formed by bending and extending the holding part forwards, the holding part extends along the direction covering the first welding part, the holding part is suitable for being adsorbed by the chip mounter, and the spring piece part is suitable for upwards abutting against the buzzer. The contact elastic sheet is suitable for automatic patches, can be used for automatic machinery, can be in close contact with the buzzer, reduces welding procedures, reduces labor cost, replaces manual welding, and effectively improves productivity, thereby improving enterprise benefits.
Description
Technical Field
The utility model relates to an electrothermometer field especially relates to contact shell fragment and buzzing piece connection structure.
Background
Electronic thermometers typically include a temperature sensor, a liquid crystal display, a button cell, a buzzer, and other electronic components. Compared with the traditional mercury glass thermometer, the electronic thermometer can quickly and accurately measure the body temperature of a human body, has the advantages of convenient reading, short measuring time, high measuring precision, memory and buzzing prompt, particularly does not contain mercury, is harmless to the human body and the surrounding environment, and is particularly suitable for being used in families, hospitals and other occasions.
In the conventional electronic thermometer, as shown in fig. 1, the buzzer 10 is generally connected to the circuit board 20 by two leads 40 in a welding manner, one ends of the two leads 40 are respectively welded to the piezoelectric ceramic plate and the metal plate of the buzzer 10 in a manual welding manner, and the other ends are respectively welded to the circuit board 20. However, the manual welding method is prone to the occurrence of poor conditions such as pad falling, insufficient solder, short circuit, and the like, and the manual welding efficiency is slow.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a contact shell fragment replaces manual welding, makes to form the electricity between buzzing piece and the circuit board and is connected.
Another object of the present invention is to provide a buzzer connecting structure, which replaces manual welding to form an electrical connection between the buzzer and the circuit board.
To the utility model discloses an aim at, the utility model discloses a following technical scheme:
a contact spring for electrically connecting a buzzer with a circuit board, comprising:
the fixing structure is provided with a first welding part, a bending part formed by bending and extending the first welding part forwards and a second welding part formed by extending the bending part forwards, and the first welding part and the second welding part are welded with the circuit board;
the first connecting part is arc-shaped and is connected with the first welding part; and
the abutting structure is provided with a holding portion connected with the first connecting portion and a spring piece portion formed by bending and extending the holding portion forwards, the holding portion extends in the direction covering the first welding portion, the holding portion is suitable for being adsorbed by a chip mounter, and the spring piece portion is suitable for abutting upwards against the buzzer.
Further, lower surfaces of the first and second soldering parts are coplanar, and the lower surfaces of the first and second soldering parts are soldered to the circuit board.
Further, the first weld and the second weld extend straight.
Further, a length of the first weld extending forward is greater than a length of the second weld extending forward.
Further, the bending part is U-shaped, V-shaped, arc-shaped or semicircular.
Further, the elastic sheet part is U-shaped, V-shaped, arc-shaped or semicircular.
Further, the holding portion extends straight.
Further, the holding portion and the elastic piece portion are connected through a second connecting portion.
Further, the second connecting portion is arc-shaped.
To the utility model discloses a further purpose, the utility model discloses still adopt following technical scheme:
a buzzer connection structure includes:
a buzzer;
a circuit board;
the contact spring piece is used for electrically connecting the buzzer and the circuit board.
Compared with the prior art, the beneficial effects of the utility model are that: the contact spring plate is suitable for automatic patches, can be used for automatic machinery, can be in close contact with the buzzer, reduces welding procedures, reduces labor cost, replaces manual welding, and effectively improves productivity (reaching 1000 PCS/hour), thereby improving enterprise benefits.
Drawings
FIG. 1 is a schematic diagram of a buzzer chip connected to a circuit board in the prior art;
fig. 2 is a schematic perspective view of a contact spring according to an embodiment of the present invention;
fig. 3 is a schematic side view of a contact spring according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating a contact spring sheet according to an embodiment of the present invention welded to a circuit board.
Reference numerals: 10. a buzzer; 20. a circuit board; 30. a contact spring; 40. a wire; 1. a holding structure; 11. a first weld; 12. a bending section; 13. a second weld; 2. an abutting structure; 21. a holding section; 22. a spring piece portion; 23. a second connecting portion; 3. the first connecting portion.
Detailed Description
For the purpose of promoting a better understanding of the objects, structures, features, and functions of the invention, reference should now be made to the drawings and detailed description of the invention. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale. Moreover, the described embodiments are only some of the described embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "front", "rear", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The utility model discloses a buzzing piece connection structure of embodiment, including a buzzing piece 10, a circuit board 20 and be used for making to form a contact shell fragment 30 that is connected electrically between buzzing piece 10 and the circuit board 20.
The buzzer 10 is a conventional buzzer. In some embodiments, buzzer diaphragm 10 is a piezoelectric ceramic buzzer diaphragm. The buzzer 10 is used to generate a buzzer sound, for example, in an electronic thermometer. When the buzzer 10 is electrically connected to the circuit board 20, the buzzer 10 can operate under the action of the control element of the circuit board 20.
As shown in fig. 2 and 3, the contact dome 30 is made of a metal material having good electrical conductivity, such as copper, aluminum, iron or an alloy thereof. The contact spring 30 may be integrally stamped by a cold stamping process. The contact spring 30 includes a holding structure 1, an abutting structure 2 and a first connecting portion 3 connecting the holding structure 1 and the abutting structure 2.
The fixing structure 1 has a first soldering portion 11, a bending portion 12 formed by bending and extending forward from the first soldering portion 11, and a second soldering portion 13 formed by extending forward from the bending portion 12, wherein the first soldering portion 11 and the second soldering portion 13 are soldered to the circuit board 20.
By providing the bent portion 12, the structural strength can be increased, the compressive resistance can be improved, and the structural stability can be increased. The bent portion 12 may be formed in a U shape, a V shape, an arc shape, or a semicircular shape. The bent portion 12 may be provided in plural, for example, in two, and two bent portions 12 may be combined to form an M-shape or a W-shape, or may be provided in two or more.
As shown in fig. 3 and 4, the second soldering portion 13 is disposed in front of the bending portion 12, so that the overall structure after soldering is more stable, and the holding structure 1 can be securely held on the circuit board 20. The lower surfaces of the first welding part 11 and the second welding part 13 are coplanar, so that the two welding parts can be simultaneously contacted with the circuit board 20, and the lower surfaces of the first welding part 11 and the second welding part 13 are welded to the circuit board 20, so that the welding is stable. The first soldering part 11 and the second soldering part 13 extend straightly, so that a sufficient contact area between the soldering parts and the circuit board 20 can be ensured, and the soldering is more reliable. The length that first welding portion 11 extends forward is greater than the length that second welding portion 13 extends forward, and second welding portion 13 sets up for relatively short promptly, can avoid second welding portion 13 to set for overlength like this, when guaranteeing the welding effect, the whole size of control structure effectively accords with the design direction of electronic component lightweight, miniaturization.
The abutting structure 2 has a holding portion 21 connected to the first connecting portion 3 and a spring portion 22 formed by bending and extending the holding portion 21 forward, the holding portion 21 and the spring portion 22 are connected by a second connecting portion 23, and the second connecting portion 23 is arc-shaped.
The elastic piece part 22 is suitable for upwards abutting against the buzzer piece 10. The elastic piece 22 has elasticity, and when it is abutted against the buzzer 10, it is slightly pressed by the buzzer 10, so as to ensure the close contact between the two, thereby realizing the electrical connection between the two. The elastic sheet portion 22 may be provided in a U-shape, a V-shape, an arc shape, or a semicircular shape. Of course, two or more spring parts 22 may be provided to ensure the contact effect.
The holding portion 21 extends in a direction covering the first soldering portion 11, and the holding portion 21 is adapted to be adsorbed by a chip mounter, which is an existing chip mounter. The holding portion 21 extends straight, so that the holding portion can be more easily absorbed by a chip mounter, and subsequent automatic chip mounting is facilitated.
The contact elastic sheet 30 is suitable for automatic paster, can be used for automatic machinery, can be in close contact with the buzzer 10, reduces welding processes, reduces labor cost, replaces manual welding, and effectively improves productivity (reaching 1000 PCS/hour), thereby improving enterprise benefits.
The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all the equivalent technical changes using the description and drawings of the present invention are included in the scope of the present invention.
Claims (10)
1. A contact spring for electrically connecting a buzzer with a circuit board, comprising:
the fixing structure is provided with a first welding part, a bending part formed by bending and extending the first welding part forwards and a second welding part formed by extending the bending part forwards, and the first welding part and the second welding part are welded with the circuit board;
the first connecting part is arc-shaped and is connected with the first welding part; and
the abutting structure is provided with a holding portion connected with the first connecting portion and a spring piece portion formed by bending and extending the holding portion forwards, the holding portion extends in the direction covering the first welding portion, the holding portion is suitable for being adsorbed by a chip mounter, and the spring piece portion is suitable for abutting upwards against the buzzer.
2. The contact spring of claim 1, wherein: the lower surfaces of the first and second soldering parts are coplanar, and the lower surfaces of the first and second soldering parts are soldered to the circuit board.
3. The contact spring of claim 1, wherein: the first weld and the second weld extend straight.
4. The contact spring of claim 1, wherein: the first weld extends forward a length greater than the second weld.
5. The contact spring of claim 1, wherein: the bending part is V-shaped or arc-shaped.
6. The contact spring of claim 1, wherein: the elastic piece part is V-shaped or arc-shaped.
7. The contact spring of claim 1, wherein: the holding portion extends straight.
8. The contact spring of claim 1, wherein: the holding part and the elastic sheet part are connected through a second connecting part.
9. The contact spring of claim 8, wherein: the second connecting portion is arc-shaped.
10. A buzzer connection structure is characterized by comprising:
a buzzer;
a circuit board;
the contact spring piece of any one of claims 1 to 9, used for electrically connecting the buzzer piece and the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120602473.4U CN214589307U (en) | 2021-03-24 | 2021-03-24 | Contact spring sheet and buzzer connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120602473.4U CN214589307U (en) | 2021-03-24 | 2021-03-24 | Contact spring sheet and buzzer connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214589307U true CN214589307U (en) | 2021-11-02 |
Family
ID=78321692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120602473.4U Active CN214589307U (en) | 2021-03-24 | 2021-03-24 | Contact spring sheet and buzzer connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214589307U (en) |
-
2021
- 2021-03-24 CN CN202120602473.4U patent/CN214589307U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6721346B2 (en) | Semiconductor device | |
| JPWO2004049511A1 (en) | Electrical connection structure for conductors formed on glass surfaces | |
| JP2011507169A (en) | Solder connection element | |
| US4623206A (en) | Spring battery retainer | |
| CN214589307U (en) | Contact spring sheet and buzzer connecting structure | |
| JP2012033435A (en) | Fitting fixture for component mounted on circuit board | |
| JP2009182265A (en) | Electrode terminal for film capacitor, and the film capacitor | |
| JP2007317445A (en) | Connector | |
| JP2013254873A (en) | Power module and manufacturing method of the same | |
| US4151544A (en) | Lead terminal for button diode | |
| JPH0314002Y2 (en) | ||
| JPS6345015Y2 (en) | ||
| JP2019003914A (en) | Soldering structure | |
| JP3663309B2 (en) | Variable resistor | |
| CN114531771B (en) | Flexible circuit board and preparation method and application thereof | |
| JPH0635382Y2 (en) | Lead terminal mounting structure for hybrid integrated circuit | |
| CN214336957U (en) | Buzzer connecting device | |
| JPH0644028Y2 (en) | Battery for board mounting | |
| JPH0433651Y2 (en) | ||
| JPS6236345Y2 (en) | ||
| WO2023196323A1 (en) | Micro solder joint and stencil aperture design | |
| JPH0348705Y2 (en) | ||
| JP2011108551A (en) | Battery with terminal | |
| KR810001418Y1 (en) | Semiconductor device | |
| JP2011085425A (en) | Thermistor device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |