CN219758347U - Screw-free test needle plate - Google Patents

Abstract

The utility model discloses a screw-free test needle plate which is characterized by comprising an upper needle plate, wherein at least one clamping block is arranged on the two sides of the upper needle plate in an inward direction; the lower needle plate, the relative face of lower needle plate and last battle array board is the first plane, the first plane of lower needle plate be provided with first plane mutually perpendicular's barb, the joint can be dismantled for the upper and lower displacement with the fixture block to the barb, the barb is the elastic component. The utility model reduces the use of screws and embedded nuts, reduces the use cost of accessories, optimizes the production and assembly process, avoids the problem of unsmooth clamping caused by inconsistent embedding, and is independent in maintenance and disassembly.

Description

Screw-free test needle plate

Technical Field

The utility model relates to a test of a test needle board, in particular to a screw-free test needle board.

Background

The traditional needle plate assembly is composed of an upper needle plate and a lower needle plate, after the upper needle plate and the lower needle plate are respectively clamped by the countersunk heads, the upper needle plate and the lower needle plate are locked and fixed by screws, for example, the probes are clamped between the needle plates by the two needle plates to be used for fixing the probes and keeping the probes in the needle plates vertically and not falling, therefore, the mechanism is only used for fixing the probes, the self weight of the probes is very small and almost the structure is relatively fixed, the upper needle plate and the lower needle plate are clamped by the upper needle plate and the lower needle plate, if the screws are required to be fixed, large-area reserved screw space is required, the screws and the nuts are required to be manually embedded and installed, the required labor cost is high, the manual installation consistency of the screws and the embedded nuts is poor, deviation is easy to occur, the screws and the embedded nuts are required to be purchased by other hardware fittings, and certain cost exists.

Disclosure of Invention

The utility model provides a screw-free test needle plate, which is used for solving the problems of reducing the cost of screws and nuts and improving the installation simplicity of assembling an upper needle plate and a lower needle plate.

According to one aspect of the present utility model, there is provided a screw-free test needle board, characterized by comprising,

the upper needle plate is provided with at least one clamping block in the length direction at two sides;

the lower needle plate, the relative face of lower needle plate and last battle array board is the first plane, the first plane of lower needle plate be provided with first plane mutually perpendicular's barb, the joint can be dismantled for the upper and lower displacement with the fixture block to the barb, the barb is the elastic component.

Further, a plurality of probes of rectangular arrays are arranged in the center of the first plane of the lower needle plate, a plurality of through holes are formed in the center of the upper needle plate, the through holes are distributed to correspond to the shapes of the plurality of probes on the lower needle plate, and the length of each probe is larger than the thickness of the upper needle plate.

Further, the bottom of fixture block is provided with the sloping block, sloping block inclined plane is that the fixture block is kept away from the one end of going up the faller along the bottom extension of going up the faller.

Further, the end of the barb is provided with an inclined surface identical to the inclined block.

Further, a positioning pin is arranged on the first plane of the lower needle plate, and a positioning hole corresponding to the positioning pin is formed in the upper needle plate.

Further, one side of the upper needle plate is provided with a clamping block, the other side of the upper needle plate is provided with two clamping blocks, and the corresponding lower needle plate is provided with barbs with the same number.

The utility model has the beneficial effects that: the screw and the use of inlaying the nut are reduced, the accessory reduces accessory use cost, cancel the manual installation and inlay the nut screw step, optimize production equipment flow, avoid inlaying inconsistent emergence that leads to the unsmooth problem of card, upper and lower faller is independent when the maintenance is split, does not have other hardware accessories, avoids the accessory to lose the problem.

According to the utility model, at least one clamping block is arranged on two sides of the upper needle plate, the lower needle plate is provided with the barb which is an elastic piece, the barb and the clamping block are detachably clamped in an up-down displacement manner, the upper needle plate and the lower needle plate are fastened, namely, the upper needle plate and the lower needle plate are locked, the operation is simple and easy, and the assembly procedure and the flow are greatly reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic diagram of a buckling structure of an upper needle plate and a lower needle plate according to a first embodiment of the present utility model;

fig. 2 is a schematic diagram showing a separation structure of an upper and lower needle plate according to a first embodiment of the present utility model.

In the figure: 1. an upper needle plate; 11. a clamping block; 12. a sloping block; 2. a lower needle plate; 21. a barb; 22. a probe; 23. and (5) positioning pins.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.

Referring to fig. 1-2, a first embodiment of a screw-free test needle board according to the present utility model is shown.

A screw-free test needle board is characterized by comprising,

the upper needle plate 1 is provided with at least one clamping block 11 along the two sides of the upper needle plate 1;

the lower needle plate 2, the relative face of lower needle plate 2 and last battle array board 1 is the first plane, the first plane of lower needle plate 2 is provided with the barb 21 with first plane mutually perpendicular, barb 21 and fixture block 11 are the detachable joint of upper and lower displacement, barb 21 is the elastic component.

The step of manually installing the embedded nut screw is canceled, the production and assembly flow is optimized, the upper needle plate structure and the lower needle plate structure are buckled, namely locked, the operation is simple and easy, and the assembly procedure and flow are greatly reduced.

The center of the first plane of the lower needle plate 2 is provided with a plurality of probes 22 in a rectangular array, the center of the upper needle plate 1 is provided with a plurality of through holes, the through holes are distributed to correspond to the shapes of the plurality of probes 22 on the lower needle plate 2, and the length of each probe 22 is larger than the thickness of the upper needle plate 1.

The bottom of fixture block 11 is provided with sloping block 12, sloping block 12 inclined plane is that fixture block 11 keeps away from the one end of going up faller 1 and extends along the bottom of going up faller 1, barb 21's tip is provided with the inclined plane the same as sloping block 12.

When the inclined block 12 of the upper needle plate 1 contacts with the inclined surface of the barb 21 of the lower needle plate 2, the barb 21 is an elastic piece, and the barb 21 of the lower needle plate 2 is outwards expanded by a certain distance due to the interference of the inclined surface and then is clamped with the clamping block 11.

The first plane of the lower needle plate 2 is provided with a locating pin 23, and the upper needle plate 1 is provided with a locating hole corresponding to the locating pin 23.

Until the designed clamping block 11 on the upper needle plate 1 is clamped and clamped after the clamping is rebounded with the reversing hook 21 on the lower needle plate 2, the positioning and the locking are realized through the positioning pin 23 on the lower needle plate 2.

One side of the upper needle plate 1 is provided with a clamping block 11, the other side is provided with two clamping blocks 11, and the corresponding lower needle plate 2 is provided with barbs 21 with the same number.

The tool is facilitated to remove the barbs 21 of the upper needle plate 1 on one side at a first time, whereby the upper needle plate 1 can be removed more easily.

Working principle: the needle bar positioning pin 23 of the lower needle plate 2 is positioned as a guide, two positioning holes at opposite angles of the upper needle plate 1 are aligned to be sleeved into the upper needle plate 1, so that the needle bar is positioned correctly, when the inclined block 12 below the clamping block 11 of the upper needle plate 1 contacts with the inclined surface of the inverted hook 21 of the lower needle plate 2, the inverted hook 21 of the lower needle plate 2 expands outwards due to the interference of the inclined surface, the upper needle plate 1 continues downwards until the needle bar is completely tightly combined with the lower needle plate 2, at the moment, the interference of the inclined surface of the inclined block 12 and the inclined surface of the barb 21 disappears, the inverted hook 21 returns naturally to be contacted with the clamping position of the upper needle plate 1, a gap of 0.02-0.05mm is designed, the upper needle plate 1 and the lower needle plate 2 are clamped tightly through the inverted hook 21 and the clamping block 11, when maintenance is needed, the inclined block 21 is jacked out by a special tool, the inclined hook 21 expands outwards to 0.5mm, the upper needle plate 1 can be taken out easily, and the needle bar 22 is buckled into the upper needle plate 1 after the assembly is completed, and the operation is simple and easy.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. A screw-free test needle board is characterized by comprising,

the upper needle plate is provided with at least one clamping block in the length direction at two sides;

the lower needle plate, the relative face of lower needle plate and last battle array board is the first plane, the first plane of lower needle plate be provided with first plane mutually perpendicular's barb, the joint can be dismantled for the upper and lower displacement with the fixture block to the barb, the barb is the elastic component.

2. The screw-free test needle board of claim 1, wherein a plurality of probes of a rectangular array are arranged in the center of the first plane of the lower needle board, a plurality of through holes are formed in the center of the upper needle board, the through holes are arranged to correspond to the shapes of the plurality of probes on the lower needle board, and the length of the probes is larger than the thickness of the upper needle board.

3. The screw-free test needle board of claim 1, wherein the bottom of the clamping block is provided with a sloping block, and the sloping block sloping surface extends along the bottom of the upper needle board for the end of the clamping block away from the upper needle board.

4. A screw-free test needle plate according to claim 3, wherein the end of the barb is provided with the same slope as the bevel block.

5. The screw-free test needle board of claim 1, wherein the first plane of the lower needle board is provided with a positioning pin, and the upper needle board is provided with a positioning hole corresponding to the positioning pin.

6. The screw-free test needle board of claim 1, wherein one side of the upper needle board is provided with one clamping block, the other side is provided with two clamping blocks, and the corresponding lower needle board is provided with the same number of barbs.