Miniature quartz crystal resonator base

Abstract

The utility model relates to the technical field of quartz crystal resonators, in particular to a miniature quartz crystal resonator base, which comprises a ceramic base, a quartz chip arranged inside the ceramic base, a metal frame fixedly arranged at the top end of the ceramic base, a metal cover arranged at the top end of the metal frame, and a protective box fixedly arranged at the top end of the metal cover. A fixed seat is fixedly arranged in the protection box, a plurality of micro springs are arranged on the side face of the fixed seat, two movable plates are arranged on the side face of the fixed seat, push plates are fixedly arranged at the top ends of the two movable plates, a plurality of movable rods are fixedly arranged on one sides of the two movable plates, and supporting rods are fixedly arranged on one sides of the movable rods; the metal cover dismounting device has the beneficial effects that the metal cover and the metal frame can be fixed or separated by pushing the push plate, so that the dismounting efficiency of the metal cover is improved, and the maintenance convenience of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of quartz crystal resonators, in particular to a micro quartz crystal resonator base. Background Art

[0002] A micro crystal resonator is an electronic component mainly used for frequency control of wire communication devices, timing devices, computers, embedded systems, etc. The micro crystal resonator includes a base and an internal quartz chip. The quartz chip is supported and protected by the base, and the quartz chip is used to provide different oscillation frequencies.

[0003] The patent specification with the publication number CN210469247U discloses an ultra - micro quartz crystal resonator, which includes a ceramic base, a metal upper cover and a quartz chip. The ceramic base is composed of a ceramic base and a metal ring. A metal ring is electroplated on the upper end of the ceramic base. A metal welding ring is arranged at the lower end of the metal upper cover. The metal welding ring and the metal ring are fixed together by high - temperature metal fusion. On one side of the upper end of the ceramic base inside the metal ring, two electrode parts arranged opposite to each other front and back are installed. A rectangular protrusion is installed at the upper end of each electrode part. Conductive silver paste is installed inside the rectangular protrusion at the upper end of the electrode part. The quartz chip is connected to the two conductive silver pastes. A bracket is installed on the other side of the upper end of the ceramic base inside the metal ring. Epoxy resin glue is coated on the front and back sides of the upper end of the bracket. This utility model improves the mechanical reliability of the miniaturized quartz crystal resonator and overcomes the problem that the quartz chip touches the ceramic base due to its own weight, resulting in unstable product characteristics.

[0004] However, in the implementation of related technologies, it is found that the above - mentioned ultra - micro quartz crystal resonator has the following problems: The device installs the quartz chip, etc. through the ceramic base and seals the ceramic base through the metal upper cover to improve the waterproof and dust - proof performance of the quartz chip. Since the metal upper cover is fixed to the ceramic base by welding, it is inconvenient to remove the metal upper cover when the quartz chip is damaged, reducing the disassembly convenience of the metal upper cover and thus reducing the maintenance convenience of the device. In view of this, a micro quartz crystal resonator base is provided to overcome the above defects. Summary of the Utility Model

[0005] The purpose of this utility model is to propose a micro quartz crystal resonator base to solve the disadvantages existing in the prior art.

[0006] To achieve the above object, the present utility model adopts the following technical solutions: A micro quartz crystal resonator base, comprising a ceramic base, wherein a quartz chip is provided inside the ceramic base, a metal frame is fixedly provided at the top end of the ceramic base, a metal cover is provided at the top end of the metal frame, a protective box is fixedly provided at the top end of the metal cover, a fixing seat is fixedly provided inside the protective box, several micro springs are provided on the side of the fixing seat, two movable plates are provided on the side of the fixing seat, push plates are fixedly provided at the top ends of the two movable plates, several movable rods are fixedly provided on one side of the two movable plates, support rods are fixedly provided on one side of the several movable rods, and two limiting grooves are formed on the side of the metal frame, limiting blocks are provided inside the two limiting grooves, mounting seats are fixedly provided on one side of the two limiting blocks, and the top ends of the two mounting seats are respectively fixedly connected to the bottom ends of the several support rods.

[0007] As a further description of the above technical solution: A first sealing gasket is fixedly provided at the bottom end of the metal cover, and the bottom end of the first sealing gasket is in fit with the top end of the metal frame, and the metal cover is convenient for sealing the top end of the metal frame.

[0008] As a further description of the above technical solution: A sealing frame is fixedly provided at the bottom end of the metal cover, a second sealing gasket is fixedly provided on the side of the sealing frame, and the side of the second sealing gasket is in fit with the inner side of the metal frame. The first sealing gasket and the second sealing gasket are convenient for improving the sealing performance at the connection between the metal cover and the metal frame.

[0009] As a further description of the above technical solution: Two conductive silver pastes are fixedly provided at the bottom end inside the ceramic base, and the inside of the two conductive silver pastes is fixedly connected to the side of the quartz chip, and the conductive silver paste is convenient for fixing the quartz chip.

[0010] As a further description of the above technical solution: An epoxy resin glue is fixedly provided at the bottom end inside the ceramic base, and the epoxy resin glue is located below the quartz chip. The epoxy resin glue prevents the quartz chip from bending due to its own gravity and contacting the ceramic base, affecting the use effect of the quartz chip.

[0011] As a further description of the above technical solution: Several movable holes are formed on the side of the protective box, and the inside of the several movable holes is respectively in fit with the side of the several movable rods, and the protective box is convenient for fixing the fixing seat.

[0012] As a further description of the above technical solution: Two moving grooves are formed on the top end of the protective box, and the inside of the two moving grooves is respectively in fit with the side of the two push plates, and the push plates are convenient for moving the movable plates.

[0013] As a further description of the above technical solution: One side of each of the plurality of micro springs is fixedly connected to the side surface of the fixed seat, and the other sides of the plurality of micro springs are respectively fixedly connected to the other sides of the two movable plates. The micro springs facilitate the pushing of the movable plates.

[0014] The utility model has the following beneficial effects:

[0015] A micro quartz crystal resonator base designed by the utility model, through design cooperation, the ceramic base, the metal frame and the metal cover facilitate the protection of the quartz chip. The first gasket and the second gasket facilitate improving the sealing performance at the connection between the metal cover and the metal frame, thereby improving the waterproof and dustproof performance of the quartz chip. Push the two push plates, so that the two push plates move away from each other, thereby driving the two limit blocks to move away from each other, so that the limit blocks are disengaged from the limit grooves, so that the metal cover loses its limit. At this time, the metal cover can be directly removed to repair the quartz chip. After the repair is completed, place the metal cover above the metal frame, release the two push plates, and simultaneously pull the two movable plates through a plurality of micro springs, thereby driving the two movable plates to approach each other, thereby driving a plurality of movable rods to approach each other, thereby driving a plurality of support rods to approach each other, thereby driving the two limit blocks to approach each other, so that the limit blocks enter the limit grooves, so that the metal cover and the metal frame are fixed together. The device can fix or separate the metal cover and the metal frame by pushing the push plates, thereby improving the disassembly efficiency of the metal cover and thus improving the maintenance convenience of the device. Description of the Drawings

[0016] Figure 1 is the overall structural schematic diagram of the utility model;

[0017] Figure 2 is the exploded structural schematic diagram of the ceramic base of the utility model;

[0018] Figure 3 is the divided structural schematic diagram of the metal frame of the utility model;

[0019] Figure 4 is the divided structural schematic diagram of the protective box of the utility model.

[0020] Legend Explanation:

[0021] 1. Ceramic base; 2. Quartz chip; 3. Metal frame; 4. Metal cover; 5. Protective box; 6. Fixed seat; 7. Micro spring; 8. Movable plate; 9. Push plate; 10. Movable rod; 11. Support rod; 12. Limit block; 13. Mounting seat; 14. First gasket; 15. Sealing frame; 16. Second gasket; 17. Conductive silver paste; 18. Epoxy resin glue. Detailed Implementation Manner

[0022] Refer to Figures 1-4, a miniature quartz crystal resonator base provided by the present utility model: includes a ceramic base 1, a quartz chip 2 is provided inside the ceramic base 1, a metal frame 3 is fixedly provided at the top of the ceramic base 1, the metal frame 3 facilitates the limitation of the limiting block 12, a metal cover 4 is provided at the top of the metal frame 3, a protective box 5 is fixedly provided at the top of the metal cover 4, a fixing seat 6 is fixedly provided inside the protective box 5, the fixing seat 6 facilitates the fixation of the miniature spring 7, several miniature springs 7 are provided on the side of the fixing seat 6, two movable plates 8 are provided on the side of the fixing seat 6, the movable plates 8 facilitate the movement of the movable rod 10, push plates 9 are fixedly provided at the tops of the two movable plates 8, several movable rods 10 are fixedly provided on one side of the two movable plates 8, the movable rods 10 facilitate the movement of the support rod 11, several support rods 11 are fixedly provided on one side of the several movable rods 10, the support rods 11 facilitate the movement of the mounting seat 13, two limiting grooves are opened on the side of the metal frame 3, limiting blocks 12 are provided inside the two limiting grooves, mounting seats 13 are fixedly provided on one side of the two limiting blocks 12, and the tops of the two mounting seats 13 are respectively fixedly connected to the bottoms of the several support rods 11.

[0023] As a further implementation of the above technical solution: a first sealing gasket 14 is fixedly provided at the bottom of the metal cover 4, and the bottom of the first sealing gasket 14 is attached to the top of the metal frame 3, and the metal cover 4 facilitates the sealing of the top of the metal frame 3.

[0024] As a further implementation of the above technical solution: a sealing frame 15 is fixedly provided at the bottom of the metal cover 4, a second sealing gasket 16 is fixedly provided on the side of the sealing frame 15, and the side of the second sealing gasket 16 is attached to the inner side of the metal frame 3. The first sealing gasket 14 and the second sealing gasket 16 facilitate the improvement of the sealing performance at the connection between the metal cover 4 and the metal frame 3.

[0025] As a further implementation of the above technical solution: two conductive silver pastes 17 are fixedly provided at the bottom inside the ceramic base 1, and the inside of the two conductive silver pastes 17 is fixedly connected to the side of the quartz chip 2, and the conductive silver paste 17 facilitates the fixation of the quartz chip 2.

[0026] As a further implementation of the above technical solution: an epoxy resin glue 18 is fixedly provided at the bottom inside the ceramic base 1, the epoxy resin glue 18 is located below the quartz chip 2, and the epoxy resin glue 18 prevents the quartz chip 2 from bending due to its own gravity and contacting the ceramic base 1, affecting the use effect of the quartz chip 2.

[0027] As a further implementation of the above technical solution: several movable holes are opened on the side of the protective box 5, and the inside of the several movable holes is respectively attached to the side of the several movable rods 10, and the protective box 5 facilitates the fixation of the fixing seat 6.

[0028] As a further implementation of the above technical solution: Two moving grooves are provided at the top of the protection box 5, and the inner parts of the two moving grooves are respectively in contact with the sides of the two push plates 9. The push plates 9 facilitate the movement of the movable plate 8.

[0029] As a further implementation of the above technical solution: One side of each of the several micro springs 7 is fixedly connected to the side of the fixed seat 6, and the other sides of the several micro springs 7 are respectively fixedly connected to the other sides of the two movable plates 8. The micro springs 7 facilitate the pushing of the movable plates 8.

[0030] Working principle:

[0031] When using the present utility model, the quartz chip 2 is protected by the ceramic base 1, the metal frame 3 and the metal cover 4. The quartz chip 2 is fixed in the ceramic base 1 by the conductive silver paste 17. The epoxy resin glue 18 prevents the quartz chip 2 from contacting the ceramic base 1 due to its own weight, which affects the use effect of the quartz chip 2. The first gasket 14 and the second gasket 16 improve the sealing performance at the connection between the metal cover 4 and the metal frame 3, thereby improving the waterproof and dustproof performance of the quartz chip 2. When the quartz chip 2 is damaged and needs to be repaired, push the two push plates 9 so that the two push plates 9 move away from each other, thereby driving the two movable plates 8 to move away from each other, thereby driving the several movable rods 10 to move away from each other, thereby driving the several support rods 11 to move away from each other, thereby driving the two mounting seats 13 to move away from each other, thereby driving the two limiting blocks 12 to move away from each other, so that the limiting blocks 12 are disengaged from the limiting grooves, so that the metal cover 4 loses its limit. At this time, the metal cover 4 can be directly removed to repair the quartz chip 2. After the repair is completed, place the metal cover 4 above the metal frame 3, lower the metal cover 4 so that the sealing frame 15 enters the interior of the metal frame 3. The bottom end of the first gasket 14 is in contact with the top end of the metal frame 3, and the side of the second gasket 16 is in contact with the inner side of the metal frame 3. Release the two push plates 9, and simultaneously pull the two movable plates 8 by the several micro springs 7, thereby driving the two movable plates 8 to move closer to each other, thereby driving the several movable rods 10 to move closer to each other, thereby driving the several support rods 11 to move closer to each other, thereby driving the two mounting seats 13 to move closer to each other, thereby driving the two limiting blocks 12 to move closer to each other, so that the limiting blocks 12 enter the limiting grooves, so that the metal cover 4 is limited, so that the metal cover 4 is fixed to the metal frame 3. The device can fix or separate the metal cover 4 and the metal frame 3 by pushing the push plates 9, thereby improving the disassembly efficiency of the metal cover 4 and thus improving the maintenance convenience of the device.

[0032] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A miniature quartz crystal resonator base, comprising a ceramic base (1), characterized in that: A quartz chip (2) is arranged inside the ceramic base (1); a metal frame (3) is fixedly arranged at the top of the ceramic base (1); a metal cover (4) is arranged at the top of the metal frame (3); a protective box (5) is fixedly arranged at the top of the metal cover (4); a fixed seat (6) is fixedly arranged inside the protective box (5); a plurality of micro springs (7) are arranged on the side of the fixed seat (6); two movable plates (8) are arranged on the side of the fixed seat (6); a push plate (9) is fixedly arranged at the top of the two movable plates (8); a plurality of movable rods (10) are fixedly arranged on one side of the two movable plates (8); a support rod (11) is fixedly arranged on one side of the plurality of movable rods (10); two limiting grooves are arranged on the side of the metal frame (3); limiting blocks (12) are arranged inside the two limiting grooves; a mounting seat (13) is fixedly arranged on one side of the two limiting blocks (12); the tops of the two mounting seats (13) are respectively fixedly connected to the bottom ends of the plurality of support rods (11).

2. A miniature quartz crystal resonator base according to claim 1, characterized in that: A first sealing gasket (14) is fixedly provided at the bottom end of the metal cover (4), and the bottom end of the first sealing gasket (14) is in contact with the top end of the metal frame (3).

3. The miniature quartz crystal resonator base according to claim 1, characterized in that: A sealing frame (15) is fixedly provided at the bottom end of the metal cover (4), a second sealing gasket (16) is fixedly provided on the side of the sealing frame (15), and the side of the second sealing gasket (16) is in contact with the inner side of the metal frame (3).

4. The miniature quartz crystal resonator base according to claim 1, characterized in that: Two conductive silver pastes (17) are fixedly arranged at the bottom end of the ceramic base (1), and the insides of the two conductive silver pastes (17) are fixedly connected to the side surfaces of the quartz chip (2).

5. The miniature quartz crystal resonator base according to claim 1, characterized in that: An epoxy resin glue (18) is fixedly disposed at the bottom end of the ceramic base (1), and the epoxy resin glue (18) is located below the quartz chip (2).

6. The miniature quartz crystal resonator base according to claim 1, characterized in that: A plurality of movable holes are provided on the side of the protection box (5), and the interiors of the plurality of movable holes are respectively fitted with the side surfaces of the plurality of movable rods (10).

7. The miniature quartz crystal resonator base according to claim 1, characterized in that: The top of the protection box (5) is provided with two movable grooves, and the interiors of the two movable grooves are respectively fitted with the side surfaces of the two push plates (9).

8. The miniature quartz crystal resonator base according to claim 1, characterized in that: One side of the plurality of micro springs (7) is fixedly connected to the side surface of the fixing seat (6), and the other side of the plurality of micro springs (7) is fixedly connected to the other side of the two movable plates (8).

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