CN215420217U

CN215420217U - Tuning fork type crystal resonator

Info

Publication number: CN215420217U
Application number: CN202121859394.8U
Authority: CN
Inventors: 李经让; 刘丽华
Original assignee: Suzhou Hangjing Electronic Technology Co ltd
Current assignee: Suzhou Hangjing Electronic Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-04
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a tuning fork type crystal resonator which comprises a shell, wherein a base is fixedly connected inside the shell, a tuning fork is fixedly connected to the upper surface of the base, a pin is fixedly connected to the lower surface of the tuning fork, a spacer sleeve is fixedly connected to the side surface of the pin, a fixing pin is rotatably connected to the left surface of the shell, an installation block is fixedly connected to the upper surface of the shell, and a fixing groove is formed in the installation block. The utility model is convenient to protect the connection part of the pin and the shell by arranging the spacer bush, prevents the resonator from bending when being installed and influences the work of the resonator, adopts the PEEK material, has good electrical insulation performance, keeps a very high temperature range, has good toughness and rigidity, and has excellent fatigue resistance to alternating stress which is comparable to that of an alloy material.

Description

Tuning fork type crystal resonator

Technical Field

The utility model relates to the technical field of quartz crystal resonators, in particular to a tuning fork type crystal resonator.

Background

The quartz crystal resonator base has the working principle that a resonant device is manufactured by utilizing the inverse piezoelectric effect of quartz crystal silicon dioxide and single crystal structure alpha quartz. At present, a quartz crystal resonator base becomes an important part of a digital information society in the future, and the main market fields of the quartz crystal resonator base are the fields of communication, industry and civil electronic equipment; the quartz crystal element has the characteristics of high precision and high stability, is widely applied to various devices, instruments and electronic products needing frequency stabilization and frequency selection, and is an indispensable key element in the current electronic products. The development trend of electronic products is multifunctionalization; functions such as Internet, E-Mail, GPS, photography, camera shooting, large-sized color liquid crystal screens, etc. are widely used, and circuit board soldering is developed from wave soldering to reflow soldering, so that a miniaturized product with a surface mount and a low height becomes a development direction of a quartz crystal resonator base.

The existing chip easily causes the defects of unstable vibration and the like when in mechanical vibration, influences the vibration frequency, and is easy to bend at the joint of the pin and the shell when being installed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a tuning fork type crystal resonator.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a tuning fork formula crystal resonator, includes the casing, the inside fixedly connected with base of casing, the last fixed surface of base is connected with the tuning fork, the lower fixed surface of tuning fork is connected with the pin, the side surface fixedly connected with spacer of pin, the left surface of casing is rotated and is connected with fixed foot, the last fixed surface of casing is connected with the installation piece, the inside of installation piece is provided with the fixed slot.

As a further description of the above technical solution:

the spacer bush is located at the joint of the shell and the pin and fixedly connected with the base.

As a further description of the above technical solution:

the number of the fixed feet is two, and the fixed feet are symmetrically arranged on two sides of the shell.

As a further description of the above technical solution:

the fixed foot is connected with the fixed groove in a clamping manner.

As a further description of the above technical solution:

the material used by the spacer sleeve is PEEK material.

As a further description of the above technical solution:

the outer surface of the shell is plated with tin or tin-copper alloy.

The utility model has the following beneficial effects:

1. compared with the prior art, the tuning fork type crystal resonator is convenient for protecting the connection part of the pin and the shell by arranging the spacer bush, the resonator is prevented from being bent when being installed, the work of the resonator is prevented from being influenced, the spacer bush is made of PEEK materials, the tuning fork type crystal resonator has good electrical insulation performance, keeps a very high temperature range, has good toughness and rigidity, and has excellent fatigue resistance to alternating stress which is comparable to alloy materials.

2. Compared with the prior art, the tuning fork type crystal resonator is provided with the fixing pins, so that the stability of frequency is improved when mechanical vibration occurs, and the tuning fork type crystal resonator has the characteristics of small size, low power consumption, long service life and high frequency stability.

3. Compared with the prior art, this tuning fork crystal resonator through being provided with installation piece and fixed slot, is convenient for accomodate fixed foot when the syntonizer is not installed, reduces the space that occupies, portable.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a tuning fork crystal resonator according to the present invention;

FIG. 2 is a front sectional view of a tuning fork crystal resonator according to the present invention;

FIG. 3 is a front view of a tuning fork crystal resonator according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a housing; 2. a tuning fork; 3. a base; 4. a pin; 5. a spacer sleeve; 6. a fixing leg; 7. mounting blocks; 8. and fixing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides a tuning fork crystal resonator: the tuning fork comprises a shell 1, wherein a base 3 is fixedly connected inside the shell 1, the tuning fork 2 is convenient to fix, the outer surface of the shell 1 is plated with tin or tin-copper alloy, the tuning fork 2 is fixedly connected to the upper surface of the base 3, pins 4 are fixedly connected to the lower surface of the tuning fork 2 and are electrically connected with a circuit board, spacers 5 are fixedly connected to the side surfaces of the pins 4, the pins 4 are prevented from being bent, the spacers 5 are made of PEEK (polyetheretherketone) and have rigidity, toughness and insulativity, the pins 4 are convenient to protect, the spacers 5 are positioned at the connecting positions of the shell 1 and the pins 4, the spacers 5 are fixedly connected with the base 3, fixing pins 6 are rotatably connected to the left surface of the shell 1 and are convenient to fix the shell 1, the fixing pins 6 are connected with fixing grooves 8 in a clamping manner, the number of the fixing pins 6 is two, the fixing pins are symmetrically arranged at two sides of the shell 1, and mounting blocks 7 are fixedly connected to the upper surface of the shell 1, the inside of installation piece 7 is provided with fixed slot 8, is convenient for accomodate fixed foot 6.

Through above-mentioned structure, be convenient for protect pin 4 and casing 1's junction, prevent that the syntonizer from taking place to bend when the installation, influence the work of syntonizer, be convenient for when taking place mechanical oscillation through fixed foot 6, the stability of frequency is improved, the device have characteristics small, low power dissipation, long service life, that frequency stability is high.

The working principle is as follows: the resonator is taken out, the fixing pins are taken out of the fixing grooves and are fixedly connected with the circuit board, the connecting positions of the pins 4 and the shell 1 are protected through the spacer bushes 5, the working performance of the resonator is prevented from being influenced by bending of the pins 4, the pins 4 and the circuit board are fixedly welded, and the shell 1 is fixedly protected through the fixing pins 6.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A tuning fork crystal resonator comprising a housing (1), characterized in that: the utility model discloses a novel electronic device, including casing (1), the inside fixedly connected with base (3) of casing (1), the last fixed surface of base (3) is connected with tuning fork (2), the lower fixed surface of tuning fork (2) is connected with pin (4), the side surface fixedly connected with spacer (5) of pin (4), the left surface rotation of casing (1) is connected with fixed foot (6), the last fixed surface of casing (1) is connected with installation piece (7), the inside of installation piece (7) is provided with fixed slot (8).

2. A tuning fork crystal resonator according to claim 1, characterized in that: the spacer bush (5) is located at the joint of the shell (1) and the pin (4), and the spacer bush (5) is fixedly connected with the base (3).

3. A tuning fork crystal resonator according to claim 1, characterized in that: the number of the fixed feet (6) is two, and the fixed feet are symmetrically arranged on two sides of the shell (1).

4. A tuning fork crystal resonator according to claim 1, characterized in that: the fixing feet (6) are connected with the fixing grooves (8) in a clamping mode.

5. A tuning fork crystal resonator according to claim 1, characterized in that: the spacer bush (5) is made of PEEK.

6. A tuning fork crystal resonator according to claim 1, characterized in that: the outer surface of the shell (1) is plated with tin or tin-copper alloy.