Signal adapter plate lowering guide structure

Abstract

The utility model provides a signal adapter plate lowering guide structure, which comprises a plurality of groups of floating guide assemblies arranged at the edge of a signal adapter plate and a plurality of guide pins arranged on a board card resource connecting plate, and the guide pins and the floating guide assemblies are arranged in a one-to-one correspondence manner. The floating guide assembly comprises a guide fixing plate, a floating guide ring and a limiting clamp spring, the guide fixing plate is fixed to the edge of the signal adapter plate, a floating hole is formed in the center of the guide fixing plate, the guide fixing plate is arranged outside the floating guide ring in a sleeving mode through the floating hole, and a gap is formed between the floating hole and the floating guide ring; the limiting clamp spring is arranged on the floating guide ring to prevent the floating guide ring from being separated from the guide fixing plate, a guide hole is formed in the center of the floating guide ring, and the diameter of the guide hole is matched with the outer diameter of the guide pin; and the floating guide rings can horizontally move within a range limited by the floating holes so as to be accurately matched with the guide pins, so that the guide pins are inserted into the corresponding floating guide rings, and the guide fixing plate and the signal adapter plate are kept horizontal.

Description

Technical Field

[0001] The utility model relates to the technical field of chip testing, in particular to a signal transfer board lowering guide structure. Background Art

[0002] At present, in the field of chip testing, the signal transmission between the board resource connection board and the signal adapter board of the test machine is achieved by connecting the cable connector set on the top surface of the board resource connection board with the signal connector set at the corresponding position on the bottom surface of the signal adapter board, so that all the signal resources of the resource boards connected to the board resource connection board are led to the signal adapter board for redistribution.

[0003] Before the cable connector and the signal connector are connected, the signal adapter board needs to be placed at a certain height above the board resource connection board, lowered a certain distance, and locked to the board resource connection board. During the lowering process, it needs to be kept as horizontal as possible, otherwise the spring pins on the cable connector may be damaged, affecting signal transmission.

[0004] At present, positioning ears are usually set on the edge of the signal adapter board, positioning holes are set on the positioning ears, and positioning pins matching the positioning holes are set on the board resource connection plate. The positioning pins are inserted into the positioning holes of the corresponding positioning ears to guide the lowering of the signal adapter board. This method has the following problems: when the diameters of the positioning holes and the positioning pins match, when there is a slight deviation in the position of the positioning pins, it is difficult for the positioning ears to be fitted outside the positioning pins, and the friction force is large during lowering, affecting the installation efficiency; when the diameter of the positioning holes is larger than the diameter of the positioning pins, the lowering operation is easy, but the positioning pins cannot fit into the positioning holes, and the positioning ears may tilt, thereby affecting the horizontal lowering of the signal adapter board.

[0005] Therefore, it is necessary to provide a signal adapter plate lowering guide structure to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a signal adapter board lowering guide structure, which guides the signal adapter board when it is lowered by setting a floating guide component on the signal adapter board in cooperation with the guide pins set on the board resource connecting plate, thereby achieving stable and horizontal lowering of the signal adapter board.

[0007] The present invention provides a signal adapter board lowering guide structure, comprising a plurality of groups of floating guide components arranged at the edge of the signal adapter board and a plurality of guide pins arranged on a board resource connection plate, wherein the plurality of groups of floating guide components are evenly spaced along the edge of the signal adapter board, the guide pins are arranged one-to-one with the floating guide components, the floating guide components comprise a guide fixing plate, a floating guide ring and a limit spring, the guide fixing plate is fixed to the edge of the signal adapter board, a floating hole is arranged at the center of the guide fixing plate, the guide fixing plate is sleeved outside the floating guide ring through the floating hole, and is connected between the floating hole and the floating guide ring. A gap is formed between the guide rings, the limit spring is arranged on the floating guide ring to prevent the floating guide ring from separating from the guide fixing plate, a guide hole is arranged at the center of the floating guide ring, and the diameter of the guide hole matches the outer diameter of the guide pin; the signal adapter plate is placed on the board resource connecting plate, and when the signal connector of the signal adapter plate is arranged correspondingly to the cable connector of the board resource connecting plate, the guide pin is inserted into the corresponding guide hole of the floating guide ring, and the floating guide ring can move horizontally within the range limited by the floating hole to accurately match the guide pin, so that the guide fixing plate and the signal adapter plate remain level.

[0008] Preferably, the floating guide components are divided into four groups and are respectively arranged at the four corners of the signal adapter plate, and the guide fixing plates of the four groups of floating guide components are located on the same horizontal plane.

[0009] Preferably, a limiting boss is extended outwardly from the outer wall of the bottom end of the floating guide ring, the outer diameter of the limiting boss is larger than the diameter of the floating hole, and the limiting boss prevents the floating guide ring from detaching from the guide fixing plate from the bottom.

[0010] Preferably, the floating guide ring is provided with a retaining groove on the circumference of the outer wall near the top, the inner diameter of the retaining spring is larger than the inner diameter of the retaining groove and smaller than the outer diameter of the floating guide ring, the outer diameter of the retaining spring is larger than the inner diameter of the floating hole, and when the guide fixing plate is sleeved outside the floating guide ring, the retaining spring is inserted into the retaining groove to prevent the floating guide ring from detaching from the guide fixing plate from the top.

[0011] Preferably, when the retaining spring is inserted into the retaining groove, the distance between the bottom surface of the retaining spring and the top surface of the limiting boss is slightly greater than the thickness of the guide fixing plate, so that the guide fixing plate can be arranged between the retaining spring and the limiting boss.

[0012] Preferably, a guiding slope is formed on the inner wall of the bottom end of the floating guide ring.

[0013] Preferably, both the top edge and the bottom edge of the floating guide ring are provided with chamfers.

[0014] Preferably, the floating guide assembly and the guide pin are both made of metal.

[0015] Compared with the prior art, the technical solution of the embodiment of the utility model has at least the following beneficial effects:

[0016] The utility model provides a signal adapter board lowering guide structure, which guides the signal adapter board when it is lowered by arranging a floating guide component on the signal adapter board in cooperation with the guide pins arranged on the board resource connecting plate. When there is a position deviation between the guide pins and the floating guide ring, the floating guide ring can move on the horizontal plane within the range of the floating hole, keeping the inner wall of the floating guide ring in contact with the guide pins, thereby realizing stable and horizontal lowering of the signal adapter board. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the installation of the signal transfer board lowering guide structure in the embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the use of the signal transfer board lowering guide structure in the embodiment of the utility model;

[0019] Figure 3 is a cross-sectional view of a floating guide assembly in an embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the floating guide ring in the embodiment of the utility model;

[0021] Figure 5 It is a cross-sectional view of the floating guide ring in the embodiment of the utility model.

[0022] Description of reference numerals:

[0023] 1. Signal transfer board; 2. Board resource connection board; 3. Floating guide assembly; 4. Guide pin;

[0024] 21. Cable connector;

[0025] 31. Guide fixing plate; 311. Floating hole; 32. Floating guide ring; 321. Guide hole; 322. Limiting boss; 323. Slot; 324. Guide slope; 33. Circlip. DETAILED DESCRIPTION

[0026] In order to make the purpose, features and beneficial effects of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings. It can be understood that the specific implementation methods described below are only used to explain the present invention, rather than to limit the present invention. In addition, the same or similar numbers may be used in the figures to refer to the same or similar elements in different embodiments, and the descriptions of the same or similar elements in different embodiments and the descriptions of the prior art elements, features, effects, etc. may also be omitted. It should be noted that the circumferential direction in the following description refers to the circumferential direction of the floating guide ring.

[0027] The utility model aims to provide a guide structure for lowering a signal adapter board, which guides the signal adapter board when it is lowered by setting a floating guide component on the signal adapter board in cooperation with the guide pins set on the board resource connecting plate, thereby achieving stable and horizontal lowering of the signal adapter board.

[0028] Figure 1 This is a schematic diagram of the installation of the signal transfer board lowering guide structure in the embodiment of the utility model; Figure 2 This is a schematic diagram of the use of the signal transfer board lowering guide structure in the embodiment of the utility model; Figure 3 is a cross-sectional view of a floating guide assembly in an embodiment of the utility model; Figure 4 This is a schematic diagram of the structure of the floating guide ring in the embodiment of the utility model; Figure 5 It is a cross-sectional view of the floating guide ring in the embodiment of the utility model.

[0029] View now Figures 1 to 5The present invention provides a signal adapter board lowering guide structure, comprising a plurality of floating guide components 3 arranged at the edge of the signal adapter board 1 and a plurality of guide pins 4 arranged on the board resource connection board 2. The plurality of floating guide components 3 are evenly spaced along the edge of the signal adapter board 1. The guide pins 4 are arranged one-to-one with the floating guide components 3. The floating guide components 3 include a guide fixing plate 31, a floating guide ring 32 and a limit spring 33. The guide fixing plate 31 is fixed to the edge of the signal adapter board 1. A floating hole 311 is arranged at the center of the guide fixing plate 31. The guide fixing plate 31 is sleeved outside the floating guide ring 32 through the floating hole 311, and the floating hole 311 is connected to the floating guide ring 32. A gap is formed between the floating guide rings 32, and a limit spring 33 is arranged on the floating guide ring 32 to prevent the floating guide ring 32 from detaching from the guide fixing plate 31. A guide hole 321 is arranged in the center of the floating guide ring 32, and the diameter of the guide hole 321 matches the outer diameter of the guide pin 4; the signal adapter board 1 is placed on the board resource connection board 2, and when the signal connector of the signal adapter board 1 is arranged correspondingly to the cable connector 21 of the board resource connection board 2, the guide pin 4 is inserted into the corresponding guide hole 321 of the floating guide ring 32, and the floating guide ring 32 can move horizontally within the range limited by the floating hole 311 to accurately match the guide pin 4, so that the guide fixing plate 31 and the signal adapter board 1 remain level.

[0030] In some embodiments, the floating guide components 3 are divided into four groups and are respectively arranged at the four corners of the signal adapter board 1 , and the guide fixing plates 31 of the four groups of floating guide components 3 are located on the same horizontal plane.

[0031] In some embodiments, the outer wall of the bottom end of the floating guide ring 32 extends outward to form a limiting boss 322, the outer diameter of the limiting boss 322 is larger than the diameter of the floating hole 311, and the limiting boss 322 prevents the floating guide ring 32 from detaching from the guide fixing plate 31 from the bottom.

[0032] In some embodiments, the floating guide ring 32 is provided with a slot 323 on the circumference of the outer wall near the top, the inner diameter of the retaining spring 33 is larger than the inner diameter of the slot 323 and smaller than the outer diameter of the floating guide ring 32, the outer diameter of the retaining spring 33 is larger than the inner diameter of the floating hole 311, and when the guide fixing plate 31 is sleeved on the outer 32 of the floating guide ring, the retaining spring 33 is inserted into the slot 323 to prevent the floating guide ring 32 from detaching from the guide fixing plate 31 from the top.

[0033] In some embodiments, when the retaining spring 33 is inserted into the retaining slot 323 , the distance between the bottom surface of the retaining spring 33 and the top surface of the limiting boss 322 is slightly larger than the thickness of the guide fixing plate 31 , so that the guide fixing plate 31 can be disposed between the retaining spring 33 and the limiting boss 322 .

[0034] In some embodiments, a guide slope 324 is formed on the inner wall of the bottom end of the floating guide ring 32 . When the position of the guide pin 4 deviates from the position of the guide hole 321 , the guide slope 324 guides the guide pin 4 into the guide hole 321 .

[0035] In some embodiments, the top edge and the bottom edge of the floating guide ring 32 are both chamfered, and the edges are smooth, which is convenient for installation.

[0036] In some embodiments, the floating guide assembly 3 and the guide pin 4 are both made of metal.

[0037] In summary, the signal adapter board lowering guide structure provided by the utility model guides the signal adapter board 1 when it is lowered by setting a floating guide component 3 on the signal adapter board 1 in cooperation with the guide pin 4 set on the board resource connecting plate 2. When there is a position deviation between the guide pin 4 and the floating guide ring 32, the floating guide ring 32 can move on the horizontal plane within the range of the floating hole 311, keeping the inner wall of the floating guide ring 32 in contact with the guide pin 4, thereby realizing stable and horizontal lowering of the signal adapter board 1.

[0038] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the present disclosure, even when only a single embodiment is described with respect to specific features. The feature examples provided in the present disclosure are intended to be illustrative rather than limiting, unless otherwise stated. In specific implementations, the technical features of one or more dependent claims may be combined with the technical features of the independent claim, based on actual needs and where technically feasible, and may be derived from the technical features of the corresponding independent claim in any appropriate manner rather than simply through the specific combination listed in the claims.

[0039] Although the utility model is disclosed as above, the utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the utility model shall be subject to the scope defined by the claims.

Claims

1. A signal transfer board lowering guide structure, characterized in that: The invention comprises a plurality of groups of floating guide components arranged at the edge of the signal adapter plate and a plurality of guide pins arranged on the board resource connection plate, wherein the plurality of groups of floating guide components are evenly spaced along the edge of the signal adapter plate, the guide pins are arranged one by one in correspondence with the floating guide components, the floating guide components comprise a guide fixing plate, a floating guide ring and a limit spring, the guide fixing plate is fixed to the edge of the signal adapter plate, a floating hole is arranged at the center of the guide fixing plate, the guide fixing plate is sleeved outside the floating guide ring through the floating hole, and a gap is formed between the floating hole and the floating guide ring, the limit spring A retaining ring is arranged on the floating guide ring to prevent the floating guide ring from detaching from the guide fixing plate. A guide hole is arranged at the center of the floating guide ring, and the diameter of the guide hole matches the outer diameter of the guide pin. The signal adapter plate is placed on the board resource connecting plate, and when the signal connector of the signal adapter plate is arranged correspondingly to the cable connector of the board resource connecting plate, the guide pin is inserted into the corresponding guide hole of the floating guide ring. The floating guide ring can move horizontally within the range limited by the floating hole to accurately match the guide pin, so that the guide fixing plate and the signal adapter plate remain level.

2. The signal transfer board lowering guide structure according to claim 1, characterized in that: The floating guide components are divided into four groups and are respectively arranged at the four corners of the signal adapter plate. The guide fixing plates of the four groups of floating guide components are located on the same horizontal plane.

3. The signal transfer board lowering guide structure according to claim 1, characterized in that: The outer wall of the bottom end of the floating guide ring extends outward to form a limiting boss, the outer diameter of the limiting boss is larger than the diameter of the floating hole, and the limiting boss prevents the floating guide ring from detaching from the guide fixing plate from the bottom.

4. The signal transfer board lowering guide structure according to claim 3, characterized in that: The floating guide ring is provided with a retaining groove on the circumference of the outer wall near the top, the inner diameter of the retaining spring is larger than the inner diameter of the retaining groove and smaller than the outer diameter of the floating guide ring, the outer diameter of the retaining spring is larger than the inner diameter of the floating hole, and when the guide fixing plate is sleeved outside the floating guide ring, the retaining spring is inserted into the retaining groove to prevent the floating guide ring from detaching from the guide fixing plate from the top.

5. The signal transfer board lowering guide structure according to claim 4, characterized in that: When the clamping spring is inserted into the clamping slot, the distance between the bottom surface of the clamping spring and the top surface of the limiting boss is slightly greater than the thickness of the guide fixing plate, so that the guide fixing plate can be arranged between the clamping spring and the limiting boss.

6. The signal transfer board lowering guide structure according to claim 1, characterized in that: The inner wall of the bottom end of the floating guide ring is formed with a guiding slope.

7. The signal transfer board lowering guide structure according to claim 1, characterized in that: The top edge and the bottom edge of the floating guide ring are both provided with chamfers.

8. The signal transfer board lowering guide structure according to claim 1, characterized in that: The floating guide assembly and the guide pin are both made of metal.

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