Crystal oscillator test fixture capable of freely adjusting packaging size

Abstract

The utility model discloses a crystal oscillator test fixture capable of freely adjusting packaging size, which relates to the technical field of crystal oscillator testing and comprises a base and an adjusting assembly, a clamping assembly is arranged in the middle of the left side of the base, and the adjusting assembly is arranged on the right side of the base. And the adjusting assembly comprises a first adjusting rod, an adjusting seat, a polished rod, a second adjusting rod, a sliding seat and a positioning seat, the outer side of the right end of the first adjusting rod is in threaded connection with the adjusting seat, and the polished rod is slidably connected into the rear end of the adjusting seat. According to the crystal oscillator test clamp capable of freely adjusting the packaging size, through the arrangement of the adjusting assembly, when packaged crystal oscillators with different sizes are clamped, the adjusting rod I can be rotated in advance according to the widths of the crystal oscillators, so that the adjusting seat moves horizontally under the limitation of the polished rod, and the distance of the positioning seat in the horizontal direction can be adjusted; meanwhile, the second adjusting rod can be rotated to enable the sliding base to drive the positioning base at the front end to move front and back, and the adjustable range of the positioning base is further widened.

Description

Technical Field

[0001] The utility model relates to the technical field of crystal oscillator testing, in particular to a crystal oscillator testing fixture capable of freely adjusting the packaging size. Background Art

[0002] A quartz crystal oscillator, also known as a quartz resonator or crystal oscillator for short, is a resonant device made using the piezoelectric effect of a quartz crystal. When a quartz crystal sheet is subjected to an external alternating electric field, it will produce mechanical vibrations. When the frequency of the alternating electric field is the same as the natural frequency of the quartz crystal, the vibration becomes very strong. This is the response of the crystal resonance characteristics. In the crystal oscillator test, a fixture is needed to clamp and position the packaged crystal oscillator.

[0003] For example, the utility model with application number CN201922392418.2 discloses a crystal oscillator test device. The utility model is designed to simultaneously fix at least one crystal oscillator to be tested, so as to achieve simultaneous testing of at least one crystal oscillator to be tested; the technical solution described in the invention also achieves the purpose of multiple real-time adjustments without disassembling the test device by fixing the four sides of the crystal oscillator to be tested. However, in actual use, the fixture can only clamp and position a single type of crystal oscillator, resulting in certain limitations when used.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a crystal oscillator test fixture with freely adjustable package size is provided. Utility Model Content

[0005] The utility model aims to provide a crystal oscillator test fixture capable of freely adjusting the package size, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crystal oscillator test fixture with freely adjustable package size, comprising a base and an adjustment component, a clamping component is arranged in the middle of the left side of the base, the adjustment component is arranged on the right side of the base, the adjustment component comprises an adjustment rod 1, an adjustment seat, a light rod, an adjustment rod 2, a slide seat and a positioning seat, the outer side of the right end of the adjustment rod 1 is threadedly connected to the adjustment seat, and the rear end of the adjustment seat is internally slidably connected to the light rod, the upper ends of the base and the adjustment seat are rotatably connected to the adjustment rod 2, and the outer side of the adjustment rod 2 is threadedly connected to the slide seat, and the tops of the slide seat, the adjustment seat and the base are all provided with a positioning seat.

[0007] Furthermore, the polished rod is fixedly connected to the base, and the size of the base is consistent with the size of the adjustment seat.

[0008] Furthermore, the clamping assembly includes a bracket and a positioning spring. The bracket is arranged on the left side of the base, and the positioning spring is sleeved on the outer side of the upper right end of the bracket.

[0009] Furthermore, the clamping assembly also includes a clamping plate and a rubber sleeve, the bottom of the positioning spring is connected to the clamping plate, and the inside of the clamping plate is provided with a rubber sleeve.

[0010] Furthermore, the clamping plate is slidably connected to the bracket, and one end of the clamping plate and the bracket is wavy.

[0011] Furthermore, a connecting assembly is provided at the bottom of the positioning seat, and the connecting assembly includes a pull rod and a retaining ring. The tops of the sliding seat, the adjusting seat and the base are all slidably connected to the pull rod, and the middle outer side of the pull rod is fixedly connected to the retaining ring.

[0012] Furthermore, the connecting assembly also includes a reset spring and a connecting ear. The reset spring is sleeved on the outer side of the middle part of the pull rod, and the connecting ear is slidably connected to the outer side of one end of the pull rod.

[0013] Furthermore, the adjustment seat is in an I-shape, and the adjustment seat is engaged with the connecting ear.

[0014] The utility model provides a crystal oscillator test fixture with freely adjustable package size, which has the following features:

[0015] Beneficial effects:

[0016] 1. The utility model can adjust the components to clamp the crystal oscillators of different sizes after packaging by rotating the adjusting rod 1 in advance according to the width of the crystal oscillator, so that the adjusting seat moves horizontally under the limit of the light rod, and the spacing of the positioning seat in the horizontal direction can be adjusted. At the same time, the adjusting rod 2 can be rotated to make the sliding seat drive the positioning seat at the front end to move back and forth, further improving the adjustable range of the positioning seat, so that the positioning seat can limit the crystal oscillators of different sizes, and the detection contact piece can also fit the contact points at the bottom of the four ends of the crystal oscillator, so that the crystal oscillator can be quickly electrically connected after clamping, which is conducive to improving the efficiency of testing;

[0017] 2. The utility model provides a connecting component so that when the detection contact piece on the positioning seat is damaged, the restriction on the positioning seat can be quickly released by pulling the pull rod, so that the positioning seat can be disassembled for inspection or replacement, thereby improving the convenience during maintenance. When installing the positioning seat, after the connecting ear is inserted, the reset spring will push the retaining ring to allow the pull rod to be inserted into the connecting ear to quickly fix the positioning seat, making it very convenient during installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall top view structure of a crystal oscillator test fixture of the utility model that can freely adjust the package size;

[0019] Figure 2 This is a schematic diagram of the overall front cross-sectional structure of a crystal oscillator test fixture of the utility model that can freely adjust the package size;

[0020] Figure 3 The utility model is a three-dimensional structural diagram of a connection component of a crystal oscillator test fixture with freely adjustable package size.

[0021] In the figure: 1. base; 2. clamping assembly; 201. bracket; 202. positioning spring; 203. clamping plate; 204. rubber sleeve; 3. adjustment assembly; 301. adjustment rod 1; 302. adjustment seat; 303. light rod; 304. adjustment rod 2; 305. sliding seat; 306. positioning seat; 4. connecting assembly; 401. pull rod; 402. retaining ring; 403. reset spring; 404. connecting ear. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0023] like Figure 1 and Figure 2As shown, a crystal oscillator test fixture with freely adjustable package size includes a base 1 and an adjustment component 3. A clamping component 2 is arranged in the middle of the left side of the base 1. The clamping component 2 includes a bracket 201 and a positioning spring 202. The bracket 201 is arranged on the left side of the base 1, and the positioning spring 202 is sleeved on the outer side of the upper right end of the bracket 201. The clamping component 2 also includes a clamping plate 203 and a rubber sleeve 204. The bottom of the positioning spring 202 is connected to the clamping plate 203, and the inside of the clamping plate 203 is provided with a rubber sleeve 204. The positioning spring 202 is The spring 202 will squeeze the clamping plate 203 to clamp the crystal oscillator in position. At the same time, the rubber pad at the bottom of the clamping plate 203 can also prevent the crystal oscillator from being damaged by pressure. At the same time, the rubber sleeve 204 can also provide static friction between the clamping plate 203 and the bracket 201, which is beneficial to enhance the stability during clamping. The clamping plate 203 is slidably connected to the bracket 201, and one side end of the clamping plate 203 and the bracket 201 is wavy. The wavy shape can increase the contact area between the hand and the clamping plate, thereby increasing the friction and avoiding slipping during operation. 3 is arranged on the right side of the base 1, and the adjustment component 3 includes an adjustment rod 1 301, an adjustment seat 302, a light rod 303, an adjustment rod 2 304, a sliding seat 305 and a positioning seat 306. The outer side of the right end of the adjustment rod 1 301 is threadedly connected to the adjustment seat 302, and the rear end of the adjustment seat 302 is slidably connected to the light rod 303. The adjustment rod 1 301 is rotated to make the adjustment seat 302 move horizontally under the limit of the light rod 303, so that the horizontal spacing of the positioning seat 306 can be adjusted. The two ends of the light rod 303 are rotatably connected to the adjusting rod 204, and the outer side of the adjusting rod 204 is threadedly connected to the sliding seat 305, and the sliding seat 305, the adjusting seat 302 and the top of the base 1 are all provided with a positioning seat 306, the light rod 303 is fixedly connected to the base 1, and the size of the base 1 is consistent with the size of the adjusting seat 302. The adjusting rod 204 is rotated to make the sliding seat 305 drive the positioning seat 306 at the front end to move back and forth, further improving the adjustable range of the positioning seat 306, so that the positioning seat 306 can limit crystal oscillators of different sizes.

[0024] like Figure 3As shown, a connecting assembly 4 is provided at the bottom of the positioning seat 306, and the connecting assembly 4 includes a pull rod 401 and a retaining ring 402. The sliding seat 305, the adjusting seat 302 and the top of the base 1 are all slidably connected with the pull rod 401, and the retaining ring 402 is fixedly connected to the outer side of the middle part of the pull rod 401. The restriction on the positioning seat 306 can be quickly released by pulling the pull rod 401, so that the positioning seat 306 can be disassembled for inspection or replacement, thereby improving the convenience of maintenance. The connecting assembly 4 also includes a reset spring 40 3 and a connecting ear 404, a return spring 403 is sleeved on the outer side of the middle part of the pull rod 401, and the outer side of one end of the pull rod 401 is slidably connected with the connecting ear 404, the adjustment seat 302 is I-shaped, and the adjustment seat 302 is embedded with the connecting ear 404. When installing the positioning seat 306, after the connecting ear 404 is inserted, the return spring 403 will push the retaining ring 402 to insert the pull rod 401 into the connecting ear 404 to quickly fix the positioning seat 306, making it very convenient during installation.

[0025] In summary, when using the crystal oscillator test fixture with freely adjustable package size, first Figure 1 , Figure 2 and Figure 3 According to the structure shown in the figure, firstly, the adjusting rod 1 301 is rotated according to the width of the crystal oscillator to be tested, so that the adjusting seat 302 moves horizontally under the limit of the light rod 303, and the adjusting rod 2 304 can also be rotated to make the sliding seat 305 drive the front end positioning seat 306 to move back and forth, so that the positioning seat 306 can limit the four ends of the crystal oscillators of different sizes. Then, the bracket 201 and the left end of the clamping plate 203 are pinched to make the clamping plate 203 move up on the bracket 201, and then the four ends of the packaged crystal oscillator are placed on the positioning seat 306. At the same time, the four end contacts of the bottom of the crystal oscillator can fit with the detection contact piece, so that the crystal oscillator and the test device can be quickly aligned. The electrical connection is prepared, and then after releasing the hand, the positioning spring 202 will squeeze the clamp 203 to clamp the crystal oscillator in position, and at the same time, the rubber sleeve 204 can also provide static friction between the clamp 203 and the bracket 201. Finally, when the detection contact piece 306 on the positioning seat is damaged, the restriction on the positioning seat 306 can be quickly released by pulling the pull rod 401, so that the positioning seat 306 can be disassembled, repaired or replaced. When installing the positioning seat 306, after inserting the connecting ear 404, the reset spring 403 will push the retaining ring 402 to allow the pull rod 401 to be inserted into the connecting ear 404 to quickly fix the positioning seat 306.

[0026] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A crystal oscillator test fixture capable of freely adjusting package size, comprising a base (1) and an adjustment component (3), characterized in that: A clamping assembly (2) is arranged in the middle of the left side of the base (1); the adjusting assembly (3) is arranged on the right side of the base (1); the adjusting assembly (3) comprises an adjusting rod 1 (301), an adjusting seat (302), a light rod (303), an adjusting rod 2 (304), a sliding seat (305) and a positioning seat (306); the outer side of the right end of the adjusting rod 1 (301) is threadedly connected to the adjusting seat (302), and the rear end of the adjusting seat (302) is slidably connected to the light rod (303); the upper ends of the base (1) and the adjusting seat (302) are rotatably connected to the adjusting rod 2 (304), and the outer side of the adjusting rod 2 (304) is threadedly connected to the sliding seat (305); and the tops of the sliding seat (305), the adjusting seat (302) and the base (1) are all provided with a positioning seat (306).

2. A crystal oscillator test fixture capable of freely adjusting package size according to claim 1, characterized in that: The polished rod (303) is fixedly connected to the base (1), and the size of the base (1) is consistent with the size of the adjustment seat (302).

3. The crystal oscillator test fixture capable of freely adjusting the package size according to claim 1, characterized in that: The clamping assembly (2) comprises a bracket (201) and a positioning spring (202); the bracket (201) is arranged on the left side of the base (1), and the positioning spring (202) is sleeved on the outer side of the upper right end of the bracket (201).

4. The crystal oscillator test fixture capable of freely adjusting the package size according to claim 3, characterized in that: The clamping assembly (2) further comprises a clamping plate (203) and a rubber sleeve (204); the bottom of the positioning spring (202) is connected to the clamping plate (203), and the inside of the clamping plate (203) is provided with the rubber sleeve (204).

5. The crystal oscillator test fixture capable of freely adjusting the package size according to claim 4, characterized in that: The clamping plate (203) is slidably connected to the bracket (201), and one end of the clamping plate (203) and the bracket (201) is wavy.

6. The crystal oscillator test fixture capable of freely adjusting the package size according to claim 1, characterized in that: A connecting assembly (4) is provided at the bottom of the positioning seat (306), and the connecting assembly (4) includes a pull rod (401) and a retaining ring (402). The tops of the sliding seat (305), the adjusting seat (302) and the base (1) are all slidably connected to the pull rod (401), and the retaining ring (402) is fixedly connected to the outer side of the middle part of the pull rod (401).

7. The crystal oscillator test fixture capable of freely adjusting the package size according to claim 6, characterized in that: The connecting assembly (4) further comprises a reset spring (403) and a connecting ear (404); the reset spring (403) is sleeved on the outer side of the middle part of the pull rod (401), and the connecting ear (404) is slidably connected to the outer side of one end of the pull rod (401).

8. The crystal oscillator test fixture capable of freely adjusting the package size according to claim 7, characterized in that: The adjustment seat (302) is in an I-shape, and the adjustment seat (302) is embedded with the connecting ear (404).

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