Surface-mounted crystal oscillator capable of preventing dust from being adsorbed on surface

Abstract

The invention belongs to the technical field of surface-mounted crystal oscillators, and particularly relates to a surface-mounted crystal oscillator capable of preventing dust from being adsorbed on the surface, the surface-mounted crystal oscillator comprises a base, a crystal oscillator body and a mounting plate, the crystal oscillator body is horizontally arranged at the top of the base, the top of the base is rotatably connected with a plurality of transmission sleeves through rotating shafts, and screw rods are inserted into the tops of the transmission sleeves in a threaded mode; the top of the screw rod is rotationally sleeved with a pressing block, the top of the screw rod is fixedly connected with a rotary knob, the pressing block is rotationally connected with an arc-shaped clamping rod through a pin shaft, a plurality of clamping grooves corresponding to the arc-shaped clamping rod are formed in the rotary knob in a surrounding mode, and the pin shaft is sleeved with a torsion spring. The two ends of the torsion spring abut against the pressing block and the arc-shaped clamping rod respectively. And the bottom of the mounting plate is fixedly connected with a dustproof sleeve. Through the arrangement of the dustproof structure and the dismounting structure, dust prevention can be effectively carried out on the patch crystal oscillator, and meanwhile, the dustproof structure is convenient to mount and dismount, so that the use effect of the patch crystal oscillator is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of chip crystal oscillators, and in particular to a chip crystal oscillator with a surface that prevents dust from being adsorbed. Background Art

[0002] The full name of crystal oscillator is quartz crystal resonator, which is a kind of quartz crystal components. Quartz crystal resonator, quartz crystal oscillator, quartz crystal filter are all quartz crystal components. Quartz crystal is a piezoelectric crystal. When a piezoelectric crystal is squeezed or stretched in a specific direction, different charges will be generated at its two ends. According to different effects, it is divided into positive piezoelectric effect and reverse piezoelectric effect.

[0003] Crystal oscillator products are widely used in power management, instrumentation, PC and peripheral small appliances, communication products, language logic and other products.

[0004] However, the external structure of the existing SMD crystal oscillator is relatively simple, and the exterior of the SMD crystal oscillator lacks a certain dust-proof structure, which affects the use effect of the SMD crystal oscillator. Summary of the invention

[0005] 1. Technical problems to be solved

[0006] The purpose of the present invention is to solve the problem that the exterior of a patch crystal oscillator in the prior art lacks a certain dust-proof structure, and to propose a patch crystal oscillator whose surface is prevented from dust adsorption.

[0007] 2. Technical solution

[0008] In order to achieve the above object, the present invention adopts the following technical solutions:

[0009] A patch crystal oscillator with a surface that prevents dust from being adsorbed comprises a base, a crystal oscillator body and a mounting plate, wherein the crystal oscillator body is horizontally arranged on the top of the base, the top of the base is rotatably connected to a plurality of transmission sleeves via a rotating shaft, a screw is threadedly inserted into the top of the transmission sleeve, a pressure block is rotatably sleeved on the top of the screw, a knob is fixedly connected to the top of the screw, an arc-shaped clamping rod is rotatably connected to the pressure block via a pin shaft, a plurality of clamping grooves corresponding to the arc-shaped clamping rod are surrounded on the knob, a torsion spring is sleeved on the pin shaft, and two ends of the torsion spring are respectively against the pressure block and the arc-shaped clamping rod;

[0010] A dust cover is fixedly connected to the bottom of the mounting plate, a ring groove corresponding to the dust cover is provided on the top of the base, a mounting groove corresponding to the crystal oscillator is provided at the bottom of the mounting plate, a buffer mechanism corresponding to the crystal oscillator is fixedly connected in the mounting groove, a through opening is provided at the inner top of the mounting groove, a cover plate is rotatably connected in the through opening, a heat dissipation port is provided on the cover plate, a dustproof net is fixedly inserted in the heat dissipation port, a locking block is fixedly connected to one end of the cover plate, and a locking mechanism corresponding to the locking block is fixedly connected to the top of the mounting plate.

[0011] Preferably, a plurality of fastening blocks are fixedly connected to the bottom of the base, and fastening openings are provided on the fastening blocks.

[0012] Preferably, a plurality of positioning blocks are fixedly connected in the annular groove, and a plurality of positioning holes corresponding to the positioning blocks are provided at the bottom of the dust cover.

[0013] Preferably, one end of the screw rod located in the transmission sleeve is fixedly connected to a limiting block.

[0014] Preferably, an insert block is fixedly connected to the bottom of the pressing block, and a slot corresponding to the insert block is provided on the top of the mounting plate.

[0015] Preferably, the buffer mechanism comprises a support rod, a buffer block is slidably sleeved on the support rod, a first spring is sleeved on the support rod, and two ends of the first spring are respectively against the buffer block and the inner wall of the installation groove.

[0016] Preferably, a rubber pad is fixedly bonded to the bottom of the buffer block.

[0017] Preferably, the locking mechanism comprises a fixing block, a locking rod is slidably inserted on the fixing block, and one end of the locking rod close to the locking block is fixedly sleeved with a limiting sleeve.

[0018] Preferably, a second spring is sleeved on the locking rod, and two ends of the second spring are respectively against the limiting sleeve and the fixing block.

[0019] 3. Beneficial effects

[0020] Compared with the prior art, the advantages of the present invention are:

[0021] (1) In the present invention, the dustproof structure and the disassembly structure are provided to effectively prevent the chip crystal oscillator from dust. At the same time, the dustproof structure is convenient for installation and disassembly, thereby effectively improving the use effect of the chip crystal oscillator.

[0022] (2) In the present invention, the setting of the fastening block can facilitate the fixing of the base, the positioning block can position the dust cover, the limit block can prevent the screw from falling off from the transmission sleeve, and the insert block can facilitate the fixing of the mounting plate, and the torsion spring can provide torsion support for the arc-shaped clamping rod.

[0023] (3) In the present invention, the provision of the dustproof net can play a role in dust prevention and heat dissipation. At the same time, the locking block can effectively fix the cover plate, and the buffer mechanism can play a role in shock absorption and buffering for the crystal oscillator. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the structure of a chip crystal oscillator with a surface that prevents dust from adsorbing is provided by the present invention;

[0025] Figure 2 This is a schematic diagram of the upward structure of the mounting plate of a patch crystal oscillator with a surface that prevents dust from adsorbing proposed by the present invention;

[0026] Figure 3 for Figure 1 A schematic diagram of the structure at A;

[0027] Figure 4 for Figure 1 Schematic diagram of the structure at point B.

[0028] In the figure: 1 base, 2 crystal oscillator, 3 mounting plate, 4 shaft, 5 transmission sleeve, 6 screw, 7 pressure block, 8 knob, 9 pin, 10 arc clamping rod, 11 dust cover, 12 mounting groove, 13 cover plate, 14 dust net, 15 locking block, 16 fastening block, 17 positioning block, 18 limit block, 19 plug block, 20 support rod, 21 buffer block, 22 first spring, 23 rubber pad, 24 fixing block, 25 locking rod, 26 limit sleeve, 27 second spring. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0030] Embodiment 1:

[0031] Reference Figure 1-4 A surface-mount crystal oscillator with dust-proof surface comprises a base 1, a crystal oscillator body 2 and a mounting plate 3. The bottom of the base 1 is fixedly connected with a plurality of fastening blocks 16, and the fastening blocks 16 are provided with fastening ports for conveniently fixing the base 1. The crystal oscillator body 2 is horizontally arranged on the top of the base 1. The top of the base 1 is rotatably connected with a plurality of transmission sleeves 5 through a rotating shaft 4 for supporting a screw rod 6. The top of the transmission sleeve 5 is threadedly inserted with a screw rod 6. One end of the screw rod 6 located in the transmission sleeve 5 is fixedly connected with a limiting block 18 to prevent the screw rod 6 from falling off from the transmission sleeve 5.

[0032] In the present invention, a pressure block 7 is rotatably sleeved on the top of the screw rod 6 for pressing the mounting plate 3, a knob 8 is fixedly connected to the top of the screw rod 6 for driving the screw rod 6 to rotate, an insert block 19 is fixedly connected to the bottom of the pressure block 7, a slot corresponding to the insert block 19 is provided on the top of the mounting plate 3, an arc-shaped clamping rod 10 is rotatably connected to the pressure block 7 through a pin shaft 9, a plurality of clamping grooves corresponding to the arc-shaped clamping rod 10 are arranged around the knob 8 for fixing the knob 8, a torsion spring is sleeved on the pin shaft 9, and the two ends of the torsion spring are respectively against the pressure block 7 and the arc-shaped clamping rod 10, so as to provide a certain torsional support for the arc-shaped clamping rod 10;

[0033] In the present invention, a dust cover 11 is fixedly connected to the bottom of the mounting plate 3, a plurality of positioning blocks 17 are fixedly connected in the annular groove, a plurality of positioning holes corresponding to the positioning blocks 17 are provided at the bottom of the dust cover 11, and the dust cover 11 is positioned; an annular groove corresponding to the dust cover 11 is provided at the top of the base 1, a mounting groove 12 corresponding to the crystal oscillator 2 is provided at the bottom of the mounting plate 3, and a buffer mechanism corresponding to the crystal oscillator 2 is fixedly connected in the mounting groove 12, and the crystal oscillator 2 is buffered;

[0034] In the present invention, the buffer mechanism includes a support rod 20, a buffer block 21 is slidably sleeved on the support rod 20, a first spring 22 is sleeved on the support rod 20, two ends of the first spring 22 are respectively against the buffer block 21 and the inner wall of the mounting groove 12, and a certain elastic support is provided for the buffer block 21, and a rubber pad 23 is fixedly bonded to the bottom of the buffer block 21;

[0035] In the present invention, a through opening is provided at the inner top of the mounting groove 12, a cover plate 13 is rotatably connected in the through opening, a heat dissipation port is provided on the cover plate 13 to play a heat dissipation role, a dustproof net 14 is fixedly inserted in the heat dissipation port, a locking block 15 is fixedly connected at one end of the cover plate 13, and a locking mechanism corresponding to the locking block 15 is fixedly connected to the top of the mounting plate 3 for fixing the cover plate 13;

[0036] In the present invention, the locking mechanism includes a fixed block 24, on which a locking rod 25 is slidably inserted, and one end of the locking rod 25 close to the locking block 15 is fixedly sleeved with a limiting sleeve 26, and a second spring 27 is sleeved on the locking rod 25, and the two ends of the second spring 27 are respectively abutted against the limiting sleeve 26 and the fixed block 24, thereby providing a certain elastic support for the locking rod 25.

[0037] In the present invention, the mounting plate 3 is covered on the top of the crystal oscillator body 2, and then the transmission sleeve 5 is rotated to a vertical state around the rotating shaft 4, and the knob 8 is rotated to drive the screw 6 to rotate, thereby driving the pressure block 7 to press the mounting plate 3 downward, so that the crystal oscillator body 2 enters the mounting groove 12, and the dust cover 11 enters the annular groove, thereby realizing dust-proof protection for the crystal oscillator body 2. At the same time, the internal buffer mechanism of the mounting groove 12 can play a buffering and shock-absorbing role for the crystal oscillator body 2, and then the arc-shaped clamping rod 10 is used to fix the knob 8. At the same time, the setting of the through hole can facilitate the operation of the crystal oscillator body 2, and the locking mechanism can effectively fix the cover plate 13.

[0038] In the present invention, the dustproof structure and the disassembly structure are provided to effectively prevent the chip crystal oscillator from dust. At the same time, the dustproof structure is convenient for installation and disassembly, thereby effectively improving the use effect of the chip crystal oscillator.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A surface-mount crystal oscillator with dust-proof properties, comprising a base (1), a crystal oscillator body (2) and a mounting plate (3), characterized in that: The crystal oscillator (2) is horizontally arranged on the top of the base (1); the top of the base (1) is rotatably connected to a plurality of transmission sleeves (5) via a rotating shaft (4); a screw rod (6) is threadedly inserted into the top of the transmission sleeve (5); a pressure block (7) is rotatably sleeved on the top of the screw rod (6); a knob (8) is fixedly connected to the top of the screw rod (6); an arc-shaped clamping rod (10) is rotatably connected to the pressure block (7) via a pin shaft (9); a plurality of clamping grooves corresponding to the arc-shaped clamping rod (10) are arranged around the knob (8); a torsion spring is sleeved on the pin shaft (9); two ends of the torsion spring are respectively against the pressure block (7) and the arc-shaped clamping rod (10); The bottom of the mounting plate (3) is fixedly connected with a dust cover (11), the top of the base (1) is provided with an annular groove corresponding to the dust cover (11), the bottom of the mounting plate (3) is provided with a mounting groove (12) corresponding to the crystal oscillator (2), a buffer mechanism corresponding to the crystal oscillator (2) is fixedly connected in the mounting groove (12), the inner top of the mounting groove (12) is provided with a through opening, a cover plate (13) is rotatably connected in the through opening, a heat dissipation port is provided on the cover plate (13), a dustproof net (14) is fixedly inserted in the heat dissipation port, one end of the cover plate (13) is fixedly connected with a locking block (15), and the top of the mounting plate (3) is fixedly connected with a locking mechanism corresponding to the locking block (15).

2. A surface-mount crystal oscillator with dust-proof properties according to claim 1, characterized in that: A plurality of fastening blocks (16) are fixedly connected to the bottom of the base (1), and fastening openings are provided on the fastening blocks (16).

3. A surface-mount crystal oscillator with dust-proof properties according to claim 1, characterized in that: A plurality of positioning blocks (17) are fixedly connected in the annular groove, and a plurality of positioning holes corresponding to the positioning blocks (17) are provided at the bottom of the dust cover (11).

4. A surface-mount crystal oscillator with dust-proof properties according to claim 1, characterized in that: One end of the screw rod (6) located inside the transmission sleeve (5) is fixedly connected to a limiting block (18).

5. A surface-mount crystal oscillator with dust-proof properties according to claim 1, characterized in that: The bottom of the pressing block (7) is fixedly connected with an inserting block (19), and the top of the mounting plate (3) is provided with a slot corresponding to the inserting block (19).

6. A surface-mount crystal oscillator with dust-proof properties according to claim 1, characterized in that: The buffer mechanism comprises a support rod (20), a buffer block (21) is slidably sleeved on the support rod (20), a first spring (22) is sleeved on the support rod (20), and two ends of the first spring (22) are respectively against the buffer block (21) and the inner wall of the installation groove (12).

7. A surface-mount crystal oscillator with dust-proof properties according to claim 6, characterized in that: A rubber pad (23) is fixedly bonded to the bottom of the buffer block (21).

8. A surface-mount crystal oscillator with dust-proof properties according to claim 1, characterized in that: The locking mechanism comprises a fixing block (24), a locking rod (25) is slidably inserted on the fixing block (24), and one end of the locking rod (25) close to the locking block (15) is fixedly sleeved with a limiting sleeve (26).

9. A surface-mount crystal oscillator with dust-proof properties according to claim 8, characterized in that: The locking rod (25) is sleeved with a second spring (27), and two ends of the second spring (27) are respectively against the limiting sleeve (26) and the fixing block (24).

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