Quartz crystal resonator with waterproof structure

Abstract

The utility model belongs to the technical field of quartz resonators, and particularly relates to a quartz crystal resonator with a waterproof structure, which comprises a shell and a bottom plate, a step opening is arranged at the bottom of the shell, the bottom plate is arranged in the step opening and is sealed through an annular sealing gasket and a sealing ring, T-shaped sliding grooves are symmetrically arranged on two sides of the shell, and the T-shaped sliding grooves are communicated with the step opening. A sliding groove is formed in the bottom plate, an extrusion strip is installed in the sliding groove in a sliding mode, the position change of the extrusion strip is controlled through rotation of an adjusting bolt, an extrusion inclined face of the extrusion strip is used for pressing the bottom plate upwards, and therefore the sealing performance between the bottom plate and the shell is improved; a quartz crystal piece is fixed to the upper surface of the bottom plate, and electrode pins are welded to the two sides of the quartz crystal piece; the surface of the electrode pin is sleeved with the protective sleeve, the inner wall of the protective sleeve is uniformly provided with the limiting protruding plates, the damage resistance of the electrode pin is improved through the design of the protective sleeve, the whole device is compact in structure, high in sealing performance and convenient to operate, and the problems that a quartz crystal resonator is insufficient in sealing and poor in electrode pin protection in long-term use can be effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to quartz resonator technical field, concretely relates to a quartz crystal resonator with waterproof structure. BACKGROUND

[0002] Quartz crystal resonator is a kind of commonly used electronic components, is widely used in communication, electronic measurement and other fields, for providing high-precision frequency signal.The quartz crystal in its interior is extremely sensitive to the humidity, vibration and other influences of external environment, therefore quartz crystal resonator usually needs to have good sealing performance to ensure its long-term stable operation.In addition, in order to improve the safety of product in the process of transportation and installation, the electrode pin of quartz crystal resonator also needs to take reliable protective measures.

[0003] At present, many quartz crystal resonators adopt the mode of increasing sealing material between shell and bottom plate to improve sealing performance.However, these methods usually have certain limitations, for example, sealing material is easy to age, or the sealing effect is poor due to insufficient pressure in the installation process.In addition, the protection of electrode pin in the prior art mostly adopts simple sheath design, and the adaptability of sheath and electrode pin is not fully considered, which may lead to sheath falling off or insufficient protection effect. SUMMARY

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a quartz crystal resonator with waterproof structure, which can realize improving the waterproof performance and service life of quartz crystal resonator.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A quartz crystal resonator with waterproof structure, comprising a shell and a bottom plate, the shell is hollow inside with the bottom open, the shell bottom is provided with a stepped port, the bottom plate is placed inside the stepped port, the bottom plate seals the shell bottom opening, an annular sealing gasket is further arranged between the bottom plate and the stepped surface inside the shell, a quartz crystal piece is fixed on the upper surface of the bottom plate, electrode pins are welded downward on both sides of the quartz crystal piece, the electrode pins penetrate the bottom plate, waterproof glue is applied at the connection between the electrode pins and the bottom plate, T-shaped sliding grooves are symmetrically arranged on both sides of the stepped port, extrusion strips are slidingly installed inside the T-shaped sliding grooves, extrusion inclined surfaces are arranged on the inner side of the extrusion strips, and the two extrusion inclined surfaces extrude the edge of the inner side of the bottom plate.

[0007] Further, a sealing ring is sleeved on the outer side of the bottom plate, and the sealing ring is attached to the inner wall of the stepped port.

[0008] Further, the center of the outer side of the extrusion strip is provided with a protruding plate, the lower side of the shell is rotatably provided with an adjusting bolt, the protruding plate of the extrusion strip is screwed on the adjusting bolt, and the end of the adjusting bolt is provided with a knob.

[0009] Further, the center of the bottom surface of the bottom plate is downwardly provided with a clamping head, the bottom of the clamping head is conical and large at the top and small at the bottom, and a through groove is formed in the bottom of the clamping head.

[0010] Further, the surface of the electrode pin is sleeved with a protective sleeve, the top of the protective sleeve is open, the inner wall of the protective sleeve is uniformly provided with a limiting protruding plate, and the inner side surface of the plurality of limiting protruding plates is in contact with the surface of the electrode pin.

[0011] Further, a connecting rod is arranged above the two protective sleeves, a through hole is formed in the center surface of the connecting rod, and the through hole corresponds to the clamping head.

[0012] Compared with the prior art, the quartz crystal resonator with the waterproof structure has the advantages that:

[0013] The quartz crystal resonator with the waterproof structure has the advantages that:

[0014] The introduction of the adjusting bolt enables the extrusion strip to slide in the T-shaped sliding groove conveniently, and the quick installation and disassembly of the bottom plate are realized through the manual adjustment of the knob. The design not only simplifies the operation process, but also ensures the stable extrusion of the bottom plate during installation, effectively preventing the sealing performance from being reduced due to improper assembly. Compared with the background technology, the assembly efficiency and sealing reliability are improved.

[0015] The protection of the electrode pin adopts the combined design of the protective sleeve and the limiting protruding plate. The limiting protruding plate is uniformly distributed on the inner wall of the protective sleeve and is in close contact with the surface of the electrode pin, thereby providing stable support and protection for the electrode pin. At the same time, the two protective sleeves are connected as a whole through the connecting rod, and are fixed through the cooperation of the clamping head and the through hole, thereby further preventing the protective sleeve from falling off. This structure not only effectively protects the safety of the electrode pin during transportation or use, and avoids damage to the electrode pin due to external force, but also overcomes the problem of loose and difficult fixation of the protective sleeve in the background technology. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic diagram of a three-dimensional structure of the utility model;

[0017] Figure 2 is a schematic diagram of a right view of the utility model;

[0018] Figure 3 is a schematic diagram of a formal section structure of the utility model;

[0019] Figure 4 is a schematic diagram of the internal structure of the utility model; Figure 3

[0020] Figure 5 is a schematic diagram of the connecting rod and the protective sleeve structure of the utility model;

[0021] Figure 6 is a schematic diagram of the enlarged structure of the A area of the utility model; Figure 2

[0022] In the drawings, the component list represented by each reference sign is as follows:

[0023] 1, shell; 11, butt plate; 12, T-shaped sliding groove; 2, annular sealing gasket; 3, bottom plate; 31, chuck; 4, sealing ring; 5, quartz crystal piece; 6, electrode pin; 7, adjusting bolt; 8, extrusion strip; 81, extrusion inclined surface; 9, connecting rod; 10, protective sleeve; 101, limiting lug; 91, through hole. DETAILED DESCRIPTION

[0024] In order to make the purpose and the advantages of the utility model more clear and obvious, the utility model is specifically explained below in combination with examples. It should be understood that the following text is only used to describe one or several specific implementation manners of the utility model, and does not strictly limit the protection scope of the specific request of the utility model.

[0025] Reference Figures 1-6 ​​As shown, a quartz crystal resonator with waterproof structure, including a shell 1 and a bottom plate 3, the shell 1 is hollow inside, the bottom is open, the shell 1 is provided with a step opening 11 at the bottom, the inner surface of the step opening 11 is matched with the outer surface of the bottom plate 3; the bottom plate 3 is placed inside the step opening 11, and the top outer side surface is tightly matched with the inner side surface of the step opening 11, which effectively seals the open bottom of the shell 1; an annular sealing gasket 2 is further arranged between the bottom plate 3 and the inner step surface of the shell 1, which is made of high elasticity material, used to further enhance the sealing performance between the bottom plate 3 and the shell 1; the upper surface of the bottom plate 3 is fixed with a quartz crystal piece 5, which is fixed on the bottom plate 3 by precise welding, ensuring stable mechanical properties under vibration; electrode pins 6 are welded downward on both sides of the quartz crystal piece 5, the electrode pins 6 penetrate through the bottom plate 3 and extend downward, waterproof glue is applied at the connection between the electrode pins 6 and the bottom plate 3, which is used to block the penetration of water vapor and enhance the waterproof performance of the whole device.

[0026] Reference Figure 6 As shown, a sealing ring 4 is sleeved outside the bottom plate 3, which is made of elastic rubber material and tightly matched with the inner wall of the step opening 11; the sealing ring 4 can further expand its contact area with the shell 1 when the bottom plate 3 is subjected to the force of the extrusion strip 8, improving the sealing effect. T-shaped sliding grooves 12 are symmetrically opened on both sides of the step opening 11, the structure of the T-shaped sliding grooves 12 is used to guide the sliding of the extrusion strip 8, ensuring the stability of the extrusion strip 8 during installation or disassembly; the extrusion strip 8 is slidably installed inside the T-shaped sliding groove 12, and an extrusion inclined surface 81 is arranged on the inner side of the extrusion strip 8, which is designed at a certain angle and contacts the outer edge of the bottom plate 3, effectively extruding the bottom plate 3 by applying force along the inclined surface, further pressing the annular sealing gasket 2, thereby enhancing the sealing performance of the bottom plate 3 and the shell 1.

[0027] Reference Figure 2 And Figure 6 As shown, a convex plate is arranged on the outer side of the extrusion strip 8, which is screwed on the adjusting bolt 7 through thread connection; the adjusting bolt 7 is rotatably installed on both sides of the shell 1, and the position of the adjusting bolt 7 can be adjusted by the knob; the end of the adjusting bolt 7 is provided with a knob for manual adjustment, which drives the adjusting bolt 7 to move along the axial direction by rotating the knob, thereby driving the extrusion strip 8 to slide in the T-shaped sliding groove 12; when the extrusion strip 8 moves inward, the extrusion inclined surface 81 will generate upward extrusion force on the edge of the bottom plate 3, enhancing the sealing performance; conversely, when the adjusting bolt 7 is rotated in the opposite direction, the extrusion strip 8 can move outward, providing space for disassembly of the bottom plate 3.

[0028] Reference Figure 3 And Figure 4As shown, the bottom plate 3 lower surface center is provided with a clamp head 31, the top of the clamp head 31 is fixedly connected with the bottom plate 3, and the bottom is designed in a large upper and small lower conical shape, which helps to realize the close cooperation with the through hole 91; the bottom of the clamp head 31 is provided with a through slot, which can provide the ability of elastic deformation, so that the clamp head 31 can be smoothly inserted into the through hole 91 of the connecting rod 9, and the outer protrusion of the clamp head 31 is locked with the edge of the through hole 91, realizing the stability of the connection.

[0029] Reference Figure 5 As shown, the electrode pin 6 surface is sleeved with a protective sleeve 10, and the top of the protective sleeve 10 is open, which is convenient for the electrode pin 6 to be loaded; the inner wall of the protective sleeve 10 is uniformly provided with a limiting lug 101, and a plurality of limiting lugs 101 are uniformly distributed on the inner wall of the protective sleeve 10 and closely contact with the outer surface of the electrode pin 6; the limiting lug 101 can provide stable support force when the electrode pin 6 is impacted by external force, preventing the electrode pin 6 from being deviated or damaged.

[0030] Reference Figure 5 As shown, the upper part between the two protective sleeves 10 is provided with a connecting rod 9, and the connecting rod 9 is designed to connect the two protective sleeves 10 into one, enhancing the overall stability; the center surface of the connecting rod 9 is provided with a through hole 91, and the size of the through hole 91 matches the outer size of the clamp head 31, and the clamp head 31 is fixed by being inserted into the through hole 91, further preventing the protective sleeve 10 from falling off during vibration or transportation, and ensuring that the electrode pin 6 of the quartz crystal resonator is fully protected.

[0031] The working principle of the utility model is that: the bottom plate 3 is installed inside the step opening 11 to seal the bottom opening of the shell 1, after being installed in place, the rotating adjusting bolt 7 is used to control the two sides extrusion strips 8 to move inward, the extrusion strip 8 slides in the T-shaped sliding groove 12 to ensure the stability of movement, when the two sides extrusion strips 8 move towards the center, the extrusion slope 81 can be used to extrude the bottom plate 3, so that the bottom plate 3 moves upward to extrude the annular sealing gasket 2, improving the sealing performance, at the same time, the sealing ring 4 sleeved on the surface of the bottom plate 3 can further increase the sealing between the bottom plate 3 and the shell 1, starting the waterproof effect, conversely, when disassembling, the adjusting bolt 7 can drive the two sides extrusion strips 8 to move outward, so that the inner side surface of the extrusion strip 8 exceeds the moving range of the bottom plate 3, preventing the bottom plate 3 from being blocked during installation;

[0032] The two electrode pins 6 are sleeved with protective sleeves 10, and a plurality of limiting lugs 101 inside the protective sleeves 10 can extrude the electrode pins 6, so that cavities adapted to the electrode pins 6 are formed between the limiting lugs 101, so as to effectively protect the electrode pins 6; the connecting rod 9 can make the two protective sleeves 10 move synchronously, the connecting rod 9 is fixed through the cooperation of the clamping head 31 and the through hole 91, so as to prevent the protective sleeves 10 from falling off, thereby preventing the electrode pins 6 from being damaged during transportation.

[0033] The above is only the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specifically described and limited, are implemented according to the conventional means in the art.

Claims

1. A quartz crystal resonator having a waterproof structure, comprising a case (1) and a base plate (3), characterized by: The shell (1) is internally hollow with an open bottom, the bottom of the shell (1) is provided with a stepped opening (11), the bottom plate (3) is placed inside the stepped opening (11), the bottom plate (3) seals the open bottom of the shell (1), an annular sealing gasket (2) is further arranged between the bottom plate (3) and the stepped surface inside the shell (1), a quartz crystal sheet (5) is fixed on the upper surface of the bottom plate (3), electrode pins (6) are welded downward on both sides of the quartz crystal sheet (5), the electrode pins (6) penetrate the bottom plate (3), waterproof glue is applied at the connection between the electrode pins (6) and the bottom plate (3), T-shaped sliding grooves (12) are symmetrically formed on both sides of the stepped opening (11), extrusion strips (8) are slidingly installed inside the T-shaped sliding grooves (12), extrusion inclined surfaces (81) are arranged on the inner side of the extrusion strips (8), and the two extrusion inclined surfaces (81) extrude the edges of the inner bottom plate (3).

2. The quartz crystal resonator with a waterproof structure according to claim 1, characterized in that: The bottom plate (3) is provided with a sealing ring (4) on the outer side, and the sealing ring (4) is attached to the inner wall of the stepped opening (11).

3. The quartz crystal resonator with a waterproof structure according to claim 2, characterized in that: A convex plate is arranged on the outer side of the extrusion strip (8), adjusting bolts (7) are rotatably installed on both sides of the shell (1), the convex plate of the extrusion strip (8) is screwed on the adjusting bolt (7), and the end of the adjusting bolt (7) is provided with a knob.

4. The quartz crystal resonator with a waterproof structure according to claim 3, characterized in that: A clamping head (31) is arranged downward on the center of the lower surface of the bottom plate (3), the clamping head (31) is conical with a large upper part and a small lower part, and a through groove is formed in the bottom of the clamping head (31).

5. The quartz crystal resonator with a waterproof structure according to claim 1, characterized in that: A protective sleeve (10) is arranged on the surface of the electrode pin (6), the protective sleeve (10) is open at the top, limiting convex plates (101) are uniformly arranged on the inner wall of the protective sleeve (10), and the inner side surfaces of the limiting convex plates (101) are in contact with the surface of the electrode pin (6).

6. The quartz crystal resonator with a waterproof structure according to claim 5, characterized in that: A connecting rod (9) is arranged above two protective sleeves (10), a through hole (91) is formed in the center surface of the connecting rod (9), and the through hole (91) corresponds to the clamping head (31).

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