CN203232051U - Rapid lifting structure of test fixture - Google Patents

Abstract

A quick elevation structure of a test fixture comprises: a base, which is used for being fixed on a seat body for detecting the detected object, wherein the base is concavely provided with a sliding cavity and penetrates through a shaft hole; a sliding seat, which is arranged in the sliding hole of the base in a sliding way; and a linkage shaft, which contains a shaft section, and is pivoted in the shaft hole of the base, and a linkage section axially extends from the first end of the shaft section, and the linkage section is axially sleeved on the slide seat, and the linkage section and the slide seat of the linkage shaft are provided with at least one group of corresponding guide grooves and guide pins, the guide pins are inserted into the guide grooves, and when the two ends of the guide grooves are projected on a plane parallel to the sliding direction of the slide seat, the guide pins are separated by a distance, so that when the linkage shaft is rotated, the guide pins can be driven to generate relative sliding in the guide grooves, and the slide seat can be quickly lifted along the sliding cavity, so as to quickly press or release the detected object.

Description

Rapid lifting structure of test fixture

technical field

The utility model relates to a fast lifting structure of a test fixture, in particular to a sliding seat that can be linked to complete the total lifting displacement stroke steplessly and quickly after an angle of less than 360 degrees is rotated by the linkage shaft, and The sliding seat can surely press the detected object, so that the detected object can be electrically connected with the corresponding detecting probe.

Background technique

The jig currently used for detecting electronic devices such as central processing units usually includes a base, which is fixed on the base of the jig used to detect the electronic device, and a screw is screwed in the base. , and a pressing plate is pivotally mounted on the end of the screw rod, so that the operator can press the pressing plate tightly on the electronic device by rotating the screw rod, so that the electronic device can be in electrical contact with the detection probe, so as to Complete the inspection work.

However, for the jig used in the above-mentioned inspection, the pitch of the screw screwed by the base is usually 0.5-1mm. Therefore, when the pressing plate is to be driven to move 4-5mm, the screw must be rotated 4-5 times. , in addition to being very inconvenient and time-consuming in operation, there must be a slight screw gap between the screw and the base. After long-term use, the screw gap will become larger, so shaking will inevitably occur during the detection process, and Affect the accuracy of detection, and it is necessary to improve it.

In view of this, the inventor of the utility model researches and innovates, and reveals the fast lifting structure of the test fixture shown in the utility model.

Utility model content

The purpose of this utility model is to provide a fast lifting structure of a test fixture, which has a simple structure and is easy to assemble, and can be lifted quickly and steplessly, and can complete all lifting stroke operations when the knob is rotated less than 360 degrees. The operation is faster; and different detection conditions can be applied, and the application is more extensive.

In order to achieve the above purpose, the utility model discloses a fast lifting structure of a test fixture, which is characterized in that it includes:

A base, fixed on the base used for detection of the object to be detected, the base is recessed with a sliding hole, and runs through a shaft hole;

a sliding seat, slid in the sliding hole of the base; and

A linkage shaft, including a shaft section, the shaft section is pivotally installed in the shaft hole of the base, and a linkage section protrudes axially from the first end of the shaft section, and the linkage section is axially sleeved on the sliding seat , and the linkage section of the linkage shaft and the sliding seat are provided with at least one set of corresponding guide grooves and guide pins, the guide pins extend into the guide grooves, and the two ends of the guide grooves are projected on a parallel There is a distance apart on the plane of the sliding direction of the sliding seat so that when the linkage shaft is rotated, the guide pin is driven to slide relative to the guide groove so as to drive the sliding seat to go up and down along the slide hole.

Wherein, the base is pivotally mounted with a buckle on two opposite sides thereof, and springs are elastically propped between the two buckles and the base.

Wherein, the sliding seat is axially recessed with a shaft cavity allowing the linkage section of the linkage shaft to extend into it, and the bottom of the sliding seat forms a pressing surface capable of pressing on the detected object.

Wherein, a shoulder is formed between the shaft section of the linkage shaft and the linkage section, and the second end of the shaft section is locked to a knob after passing through the shaft hole of the base.

Among them, the second end of the shaft section is equiangularly arranged in a circular arrangement with a plurality of fixing holes, and the knob is pierced with holes that can be locked to different fixing holes to determine the relative relationship between the linkage section and the sliding seat. Fixed piercing in position.

Wherein, the guide pin radially passes through the linkage section of the linkage shaft and radially protrudes outward from the linkage section, and the guide groove radially penetrates the shaft hole of the sliding seat.

Wherein, the guide pin radially protrudes from the slide seat, and the guide groove radially penetrates the linkage section of the linkage shaft.

Wherein, multiple sets of corresponding guide pins and guide grooves are correspondingly provided on the linkage section and the sliding seat.

In the utility model, when the two ends of the guide groove are projected on a plane parallel to the sliding direction of the sliding seat, there is a distance apart, so that when the linkage shaft is rotated, the guide pin can be driven to slide relative to the guide groove, and Make the sliding seat move up and down rapidly along the sliding hole to quickly tighten or release the object to be detected.

The utility model discloses the fast lifting structure of the test fixture, wherein the base is pivotally mounted with a clasp on its two opposite sides, and a spring is elastically supported between the two clasps and the base. , so that the hooking parts at the ends of the two hooks are relatively merged, so as to be tightly clamped on the seat used for the detection of the detected object.

The rapid lifting structure of the test fixture disclosed by the utility model, wherein the sliding seat is axially recessed with a shaft hole to allow the linkage section of the linkage shaft to extend into it, and make the bottom of the sliding seat form a Press the surface to press the detected object.

The rapid lifting structure of the test fixture disclosed by the utility model, wherein a shoulder is formed between the shaft section of the linkage shaft and the linkage section, and after the shaft section passes through the shaft hole of the base, the shaft section The second end of the lock is locked with a knob for the operator to achieve the purpose of linking the rotation of the linkage shaft by rotating the knob. In the shaft section disclosed by the utility model, the second end is arranged in an equiangular ring shape and is provided with a plurality of fixing holes. By correspondingly locking the different fixing holes with the knobs, the distance between the linkage section and the sliding seat is determined. The relative position is used to adjust the initial relative position of the sliding seat to meet the needs of different detection conditions.

The rapid lifting structure of the test fixture disclosed by the utility model, in which the guide pins and guide grooves of each group corresponding to the linkage section and the slide seat can make the guide pins radially pass through the linkage shaft on the linkage section, and radially protrude from the linkage section; and the guide groove is radially pierced on the wall of the shaft cavity of the slide seat, and the two ends of the guide groove are projected on a plane parallel to the slide When the sliding direction of the seat is on the plane, there is a distance apart, which is defined as the total stroke of the sliding seat. Two ends of the above-mentioned guide groove respectively extend a horizontal section, so that when the guide pin relatively moves into the horizontal section, the axial displacement of the sliding seat can be braked.

The rapid lifting structure of the test fixture disclosed by the utility model, in which the guide pins and guide grooves of each group corresponding to the linkage section and the slide seat can be modified so that the guide pin radially protrudes from the slide seat On the hole wall of the shaft hole; and the guide groove is radially set on the linkage section of the linkage shaft, and when the two ends of the guide groove are projected on a plane parallel to the sliding direction of the sliding seat, there is a distance between A distance is defined as the total stroke of the sliding seat. The two ends of the above-mentioned guiding groove can respectively extend a horizontal section.

The utility model discloses the fast lifting structure of the test fixture, wherein a plurality of sets of corresponding guide pins and guide grooves can be set correspondingly on the linkage section and the sliding seat, and the utility model is not limited to setting the guide pins The number of sets of pins and guide grooves.

The rapid lifting structure of the test fixture disclosed by the utility model has the following characteristics and advantages:

1. The sliding seat can be raised and lowered quickly and steplessly, that is, when the knob is rotated less than 360 degrees, all lifting stroke operations can be completed, making the operation faster.

2. The second end of the shaft section is equiangularly arranged in a circular arrangement with a plurality of fixing holes. The relative position between the linkage section and the sliding seat can be determined by correspondingly locking the different fixing holes with the knobs. , to adjust the initial relative position of the slider when sliding, in order to meet the needs of different detection conditions.

3. Simple structure and easy assembly.

The desirable entities of the present utility model can be clarified by the accompanying drawings and implementations below.

Description of drawings

Figure 1: An exploded perspective view of the rapid lifting structure of the test fixture of the present invention.

Figure 2: A schematic diagram showing the application state of the utility model clamped on the base.

Figure 3: A partial cross-sectional structure diagram from the direction 3-3 in Figure 2.

Figure 4: A perspective view after rotating the knob by an angle from Figure 2.

Figure 5: A partial cross-sectional schematic diagram of the 5-5 direction in Figure 4.

Fig. 6: An exploded perspective view of another embodiment of the utility model.

Detailed ways

Please refer to Figures 1, 2, and 3. The utility model relates to a rapid lifting structure for a test fixture, including: a base 10 for fixing on a base 102 for testing an object 101 to be tested, The base 10 is concavely provided with a sliding hole 11, which runs through a shaft hole 12; a sliding seat 20, which slides in the sliding hole 11 of the base 10; and a linkage shaft 30, which includes a shaft section 31, pivotally In the shaft hole 12 of the base 10, and at the first end of the shaft section 31, a linkage section 32 protrudes axially, so that the linkage section 32 is axially sleeved on the slide seat 20, and the linkage shaft On the linkage section 32 of 30 and the sliding seat 20, at least one set of corresponding guide grooves 41 and guide pins 42 are provided. The guide pins 42 extend into the guide grooves 41, and the two guide grooves 41 When projected on a plane parallel to the sliding direction of the sliding seat 20, there is a distance D, so that the linkage shaft 30 and the sliding seat 20 form a cam linkage, so that when the linkage shaft 30 is rotated, it can be driven. The guide pin 42 slides relative to the guide groove 41 , so that the slide seat 20 moves up and down rapidly along the slide hole 11 to fast press or release the detected object 101 .

The rapid lifting structure of the test fixture disclosed in the utility model determines its lifting speed, which is proportional to the slope of the guide groove 41, that is, the larger the slope, the faster the lifting speed.

The utility model discloses the fast lifting structure of the test fixture, wherein the base 10 is pivotally mounted with a clasp 13 on two opposite sides thereof, and the two clasps 13 and the base 10 are elastically connected respectively. A spring 14 is propped up so that the end hook portions 131 of the two hooks 13 are opposed to each other so as to be tightly clamped on the base 102 for detecting the object 101 to be detected.

The rapid lifting structure of the test fixture disclosed in the utility model, wherein the sliding seat 20 is axially recessed with a shaft hole 21 to allow the linkage section 32 of the linkage shaft 30 to extend into it, and make the sliding seat 20 A pressing surface 22 is formed at the bottom to press on the detected object 101 .

The rapid lifting structure of the test fixture disclosed in the utility model, wherein a shoulder 310 is formed between the shaft section 31 of the linkage shaft 30 and the linkage section 32, and the shaft section 31 passes through the shaft hole of the base 10 After 12, the second end of the shaft section 31 is locked to a knob 33 for the operator to achieve the purpose of rotating the linkage shaft 30 by rotating the knob 33 . The shaft section 31 disclosed in the utility model has a plurality of fixed holes 311 arranged in an equiangular circular arrangement at the second end, and a fixed hole 331 is pierced on the knob 33. Through different fixing holes 311 and the knob 33 of the fixed through hole 331 is correspondingly locked to determine the relative position between the linkage section 32 and the sliding seat 20 to adjust the initial relative position of the sliding seat 20 when sliding to meet the needs of different testing conditions.

The rapid lifting structure of the test fixture disclosed by the utility model, in which the guide pins 42 and guide grooves 41 corresponding to each group set on the linkage section 32 and the sliding seat 20, the guide pins 42 can be radially penetrated Placed on the linkage section 32 of the linkage shaft 30, and radially protrudes from the linkage section 32; and the guide groove 41 is radially penetrated on the hole wall of the shaft hole 21 of the slide seat 20, and makes the When the two ends of the guide groove 41 are projected on a plane parallel to the sliding direction of the sliding seat, there is a distance D apart, which is defined as the total sliding stroke of the sliding seat 20 . Both ends of the guide groove 41 further extend a horizontal section 411 , so that when the guide pin 42 relatively moves into the horizontal section, the axial displacement of the slide seat 20 can be stopped and the knob 33 can continue to rotate.

As shown in Figure 6, the rapid lifting structure of the test fixture disclosed by the utility model, in which the guide pins 42 and guide grooves 41 corresponding to each group set on the linkage section 32 and the sliding seat 20, can make the guide pins 42 protrudes radially on the shaft hole 21 of the sliding seat 20; and the guide groove 41 radially penetrates on the linkage section 32 of the linkage shaft 30, and makes the two ends of the guide groove 41 projected on a When parallel to the sliding direction plane of the sliding seat, there is a distance D apart, which is defined as the total sliding stroke of the sliding seat 20 .

The utility model discloses the rapid lifting structure of the test fixture, wherein multiple sets of corresponding guide pins 42 and guide grooves 41 can be set correspondingly on the linkage section 32 and the sliding seat 20, and the utility model is not limited by itself. The number of sets of the guide pin 42 and the guide groove 41 is set.

The fast lifting structure of the test fixture disclosed by the utility model can relatively press the clasps 13 located on both sides of the base 10 during application, as shown in Figures 2 and 3, so that the utility model can use the two The clasp 13 is hooked on the seat body 102 used for detecting the detected object 101. At this time, the operator can turn the knob 33, as shown in FIGS. The bottom pressing surface 22 is pressed against the detected object 101, so that the detected object 101 can be electrically connected with the detection probe (not shown) of the base 102, so as to successfully complete the detection work. After the detection is completed, reverse the knob 33 to release the detected object 101, and press the clasps 13 on both sides relatively again, so that the seat 102 can be unbuckled, so that the utility model can be smoothly disassembled from the seat 102 Remove it and wait for the next inspection.

The rapid lifting structure of the test fixture disclosed by the utility model has the following characteristics and advantages:

1. The sliding seat 20 can be raised and lowered quickly and steplessly, that is, all operations of the total lifting stroke can be completed when the knob 33 is rotated less than 360 degrees, making the operation faster.

2. The second end of the shaft section 31 of the interlocking shaft 30 is equiangularly arranged in a circular arrangement with a plurality of fixing holes 311 recessed, and the interlocking section 32 can be determined by correspondingly locking the different fixing holes 311 with the knob 33 The relative position between the sliding seat 20 and the initial relative position when the sliding seat 20 slides is adjusted to meet the needs of different detection conditions.

3. Simple structure and easy assembly.

The structures and shapes disclosed in the utility model can be modified and applied without violating the spirit and scope of the utility model, and the utility model is not limited to the above-mentioned embodiments.

Claims (8)

1. A fast lifting structure of a test fixture, characterized in that it comprises: A base, fixed on the base used for detection of the object to be detected, the base is recessed with a sliding hole, and runs through a shaft hole; a sliding seat, slid in the sliding hole of the base; and A linkage shaft, including a shaft section, the shaft section is pivotally installed in the shaft hole of the base, and a linkage section protrudes axially from the first end of the shaft section, and the linkage section is axially sleeved on the sliding seat , and the linkage section of the linkage shaft and the sliding seat are provided with at least one set of corresponding guide grooves and guide pins, the guide pins extend into the guide grooves, and the two ends of the guide grooves are projected on a parallel There is a distance apart on the plane of the sliding direction of the sliding seat so that when the linkage shaft is rotated, the guide pin is driven to slide relative to the guide groove so as to drive the sliding seat to go up and down along the slide hole. 2. The rapid lifting structure of the test fixture according to claim 1, wherein the base is pivotally mounted with a clasp on two opposite sides thereof, and the clasps and the base are elastically pushed up respectively. Supported with springs. 3. The fast lifting structure of the test fixture as claimed in claim 1, wherein the slide seat is axially concavely provided with a shaft hole allowing the linkage section of the linkage shaft to extend in, and the slide seat The bottom forms a pressing surface capable of pressing on the detected object. 4. The rapid lifting structure of the test fixture according to claim 1, wherein a shoulder is formed between the shaft section of the linkage shaft and the linkage section, and after the shaft section passes through the shaft hole of the base A knob is locked to the second end of the shaft section. 5. The fast lifting structure of the test fixture as claimed in claim 4, characterized in that, the second end of the shaft section is equiangularly arranged in a circular arrangement with a plurality of fixing holes, and the knob is pierced with a The fixing through holes can be correspondingly locked to different fixing holes to determine the relative position between the linkage section and the sliding seat. 6. The fast lifting structure of the test fixture according to claim 1, wherein the guide pin is radially placed on the linkage section of the linkage shaft and radially protrudes outward from the linkage section, and the guide pin The guide groove is arranged radially on the shaft hole of the slide seat. 7. The fast lifting structure of the test fixture according to claim 1, wherein the guide pin protrudes radially from the sliding seat, and the guide groove radially penetrates the linkage section of the linkage shaft superior. 8 . The rapid lifting structure of the test fixture according to claim 1 , wherein a plurality of sets of corresponding guide pins and guide grooves are provided correspondingly on the linkage section and the sliding seat.

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