CN217305235U

CN217305235U - Adjustable support rod

Info

Publication number: CN217305235U
Application number: CN202220174935.1U
Authority: CN
Inventors: 习文
Original assignee: Suzhou Aotemei Automation Technology Co ltd
Current assignee: Suzhou Aotemei Automation Technology Co ltd
Priority date: 2022-01-23
Filing date: 2022-01-23
Publication date: 2022-08-26
Anticipated expiration: 2032-01-23

Abstract

The utility model discloses a bracing piece with adjustable, including a backup pad section of thick bamboo and the traveller of sliding connection in it, backup pad bobbin base end and traveller top rotate respectively and are connected with down fixing base and last fixing base, and backup pad section of thick bamboo inner wall two sides all is equipped with the rail notch, has laid the arc draw-in groove on the rail notch inside wall, and the traveller stretches into and is equipped with the buckle notch on the end lateral wall, and the cooperation is inserted in the buckle notch and is equipped with spring module, and the spring module front-back all is provided with the card axle, and the card axle is inserted and is established in the arc draw-in groove. The fixed position of card axle is adjusted according to test fixture's deflection angle, and the traveller removes in a backup pad section of thick bamboo, and the card axle slides in the track notch on the spring module, and the traveller slides behind the definite adjusting position, and reset spring promotes the card axle on the spring module and removes towards the buckle notch, and then carries out the buckle to the traveller and fix, has the characteristics of being convenient for carry out the adjustment to test fixture's the angle of opening.

Description

Adjustable support rod

Technical Field

The utility model belongs to the technical field of PCB board production and processing, bracing piece with adjustable concretely relates to.

Background

When the PCB testing jig is opened, the following two supporting modes are usually adopted, one is a gas spring, the other one is a V-shaped supporting rod, the mounting space of the gas spring is larger, the relative price is higher, and the PCB testing jig also has a fatal defect, when the air spring is pressed, the rear supporting point can bear great elasticity, usually, the rear supporting point can deform, the hinge can be damaged when the rear supporting point deforms seriously after a long time, the angle can not be adjusted after the rear supporting point is installed, the installation space of the V-shaped supporting rod is small, the price is lower, but the bearing strength is small, the angle can not be adjusted after the installation, when the lock is opened, the lock is required to be manually locked, the damage caused by unsupported pressure is avoided, the operation is complicated, and the injury of personnel is possibly caused, based on the background, the price is moderate, after the installation, the adjustable supporting rod can adjust the opening angle, better maintains the inner cavity of the test fixture, and has guaranteed safety.

If chinese patent with publication number CN209400663U, it discloses a PCB board energization testing machine, which includes a bottom case, a plurality of upright posts vertically arranged on the bottom case, a supporting plate arranged on the tops of the upright posts, a turning assembly arranged on the bottom case, a lower testing plate detachably connected to the turning assembly for testing the PCB board, an upper testing plate arranged above the lower testing assembly and corresponding to the lower testing plate, and a discharging conveyor belt arranged at one side of the lower testing plate for conveying the PCB board; the upper test plate is fixed at the bottom of a sliding plate, the sliding plate is movably connected with the upright post, and the sliding plate moves along the vertical direction under the push of a lower pressing cylinder arranged on the support plate; the overturning assembly comprises a lifting cylinder arranged in the bottom box, a base plate arranged on the upper end surface of the bottom box and a lower connecting plate rotatably connected on the base plate, a connecting fixing piece is arranged at the position, corresponding to the lifting cylinder, of the bottom surface of the lower connecting plate, and a piston rod of the lifting cylinder extends out of the upper end surface of the base plate and is rotatably connected with the connecting fixing piece; one end of the lower connecting plate close to the discharging conveying belt is rotatably connected to the base plate, and the lower testing plate is detachably connected to the lower connecting plate.

However, the above scheme has the following disadvantages:

above-mentioned upset subassembly pushes away down the connecting plate through lifting cylinder and first connection mounting and overturns, but lifting cylinder use cost is higher, and the lifting cylinder can occupy test machine part space, can not satisfy under the prerequisite of practicing thrift the cost, realizes adjusting the opening angle, comes better to test fixture inner chamber to maintain.

To this end, we propose to provide an adjustable support bar to solve the above mentioned problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bracing piece with adjustable to solve the problem that exists among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: bracing piece with adjustable, including a supporting plate section of thick bamboo and the traveller of slip joint in it, supporting plate section of thick bamboo bottom and traveller top rotate respectively and are connected with down fixing base and last fixing base, all run through the polished rod screw on fixing base and the last fixing base lateral wall down, the activity of polished rod screw on the fixing base run through in the supporting plate bobbin base portion down, the hem design is carried out at the traveller top, just traveller hem portion is equipped with the movable hole, go up the activity of polished rod screw on the fixing base run through in the movable hole, the outer pot head of polished rod screw is equipped with lock nut. Through utilizing the polished rod screw, can effectually let the bulk rotation, not receive the resistance, lock nut mainly plays when rotatory, can not appear becoming flexible, drop, and the base at both ends can let the tool box open not block.

The utility model discloses a slide post, including a supporting plate section of thick bamboo, including rail groove, slide post, arc draw-in groove, the cooperation is inserted and is equipped with spring module, and spring module front and back all is provided with the card axle, and the card axle is inserted and is established in the arc draw-in groove. Through the cooperation setting of rail notch, arc draw-in groove and card axle, the vertical slip and the locking of the traveller of being convenient for are fixed.

The buckle notch inner wall top is L type notch structure, the spring module top be L type structure and with buckle notch clearance fit connects, the spring module side is provided with reset spring, and the reset spring outer end sets up on the buckle notch inside wall, just the spring module can carry out the arc swing in the buckle notch. The slide column can be positioned and moved in the rail notch through the spring module.

Compared with the prior art, the beneficial effects of the utility model are that: the fixed position of the clamping shaft is adjusted according to the deflection angle of the test fixture, the sliding column moves in the supporting plate barrel, the clamping shaft on the spring module slides in the rail notch, and after the sliding column slides to the determined adjusting position, the reset spring pushes the clamping shaft on the spring module to move towards the inside of the buckle notch, so that the sliding column is clamped and fixed, and the sliding column adjusting device has the characteristic of being convenient for adjusting the opening angle of the test fixture.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic rear view of FIG. 1;

fig. 3 is a schematic structural view of a strut and spring module of the present invention;

fig. 4 is an enlarged schematic view of a portion of fig. 1.

In the figure: 1. a support plate cylinder; 2. a traveler; 3. a lower fixed seat; 4. an upper fixed seat; 5. a rail slot opening; 6. an arc-shaped clamping groove; 7. a snap notch; 8. a spring module; 9. clamping a shaft; 10. a polished rod screw; 11. a movable hole; 12. a locknut; 13. a return spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the adjustable supporting rod comprises a supporting plate cylinder 1 and a sliding column 2 which is connected in a sliding way, the bottom end of the supporting plate cylinder 1 and the top end of the sliding column 2 are respectively and rotatably connected with a lower fixed seat 3 and an upper fixed seat 4, polished rod screws 10 penetrate through the side walls of the lower fixed seat 3 and the upper fixed seat 4, the polished rod screws 10 on the lower fixed seat 3 movably penetrate through the bottom of the supporting plate cylinder 1, the top of the sliding column 2 is subjected to edge folding design, and the hem part of the sliding column 2 is provided with a movable hole 11, a polish rod screw 10 on the upper fixed seat 4 movably penetrates through the movable hole 11, the outer end of the polish rod screw 10 is sleeved with a locknut 12, through utilizing polished rod screw 10, can effectually let the backup pad section of thick bamboo 1 not receive great resistance when whole rotatory, lock nut 12 mainly plays when rotatory, can not appear becoming flexible, drop, and the lower fixing base 3 at both ends and last fixing base 4 can let the tool box open not block.

The two sides of the inner wall of the supporting plate barrel 1 are both provided with rail notches 5, the inner side walls of the rail notches 5 are distributed with arc-shaped clamping grooves 6, the rail notches 5 are arranged along the motion direction of the sliding columns 2, the rail notches 5 limit the sliding positions of the sliding columns 2, as shown in figure 1, the included angle between the plane of the central line of each arc-shaped clamping groove 6 and the plane of the horizontal line is 30-60 degrees, the connecting parts of the arc-shaped clamping grooves 6 and the rail notches 5 are chamfered, the side wall of the extending end of each sliding column 2 is provided with a buckle notch 7, spring modules 8 are inserted in the buckle notches 7 in a matched mode, clamping shafts 9 are welded on the front and the back of each spring module 8, the clamping shafts 9 are inserted in the arc-shaped clamping grooves 6, the sliding of the clamping shafts 9 in the rail notches 5 can drive the sliding columns 2 to slide in the supporting plate barrel 1, and the connecting parts of the arc-shaped clamping grooves 6 and the rail notches 5 are chamfered, in the card axle 9 of being convenient for inserted arc draw-in groove 6, after card axle 9 inserted arc draw-in groove 6, can support fixedly to traveller 2, and then be convenient for adjust test fixture's deflection angle.

7 inner wall tops of buckle notch are L type notch structure, 8 tops of spring module be L type structure and with 7 clearance fit connections of buckle notch, 8 side buckles of spring module are fixed with reset spring 13, and the fixed setting in reset spring 13 outer end is in on the 7 inside walls of buckle notch, just spring module 8 can carry out the arc swing in the buckle notch 7, as shown in figure 1, reset spring 13 can produce to left spring thrust to spring module 8, and then promotes card axle 9 and insert and fix in arc draw-in groove 6.

The working principle of the embodiment is as follows: when sliding the sliding column 2 on the upper part of the supporting plate barrel 1, the lower fixing seat 3 and the upper fixing seat 4 are respectively fixed on the bottom box body and the upper cover plate of the test fixture through a polished rod screw 10 and a locknut 12, the box body and the upper cover plate are not drawn in the drawing, the box body and the upper cover plate are rotated through an articulated piece, the fixing position of the clamping shaft 9 is adjusted according to the deflection angle of the test fixture, the sliding column 2 moves in the supporting plate barrel 1, the clamping shaft 9 on the spring module 8 slides in the rail notch 5, the sliding column 2 slides to a determined adjusting position, the reset spring 13 pushes the clamping shaft 9 on the spring module 8 to move towards the clamping notch 7, and then the sliding column 2 is clamped and fixed, and the sliding column has the characteristic of being convenient for adjusting the opening angle of the test fixture.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Bracing piece with adjustable, including a backup pad section of thick bamboo (1) and sliding connection traveller (2) in it, its characterized in that: supporting plate section of thick bamboo (1) bottom and traveller (2) top rotate respectively and are connected with down fixing base (3) and last fixing base (4), rail notch (5) have all been established on supporting plate section of thick bamboo (1) inner wall two sides, have laid arc draw-in groove (6) on rail notch (5) inside wall, traveller (2) stretch into and are equipped with buckle notch (7) on the end lateral wall, and buckle notch (7) fit is inserted and is equipped with spring module (8), and spring module (8) front-back all is provided with card axle (9), and card axle (9) are inserted and are established in arc draw-in groove (6).

2. The adjustable support pole of claim 1 wherein: polished rod screws (10) penetrate through the side walls of the lower fixing seat (3) and the upper fixing seat (4), and the polished rod screws (10) penetrate through the bottom of the supporting plate cylinder (1) movably in the lower fixing seat (3).

3. The adjustable support pole of claim 2 wherein: the folding design is carried out at the top of the sliding column (2), a movable hole (11) is formed in the folding portion of the sliding column (2), a polished rod screw (10) movably penetrates through the movable hole (11) in the upper fixing seat (4), and a check nut (12) is sleeved at the outer end of the polished rod screw (10).

4. The adjustable support pole of claim 1 wherein: the rail notch (5) is arranged along the moving direction of the sliding column (2), the included angle between the plane where the central line of the arc-shaped clamping groove (6) is located and the plane where the horizontal line is located is 30-60 degrees, and the connecting part of the arc-shaped clamping groove (6) and the rail notch (5) is chamfered.

5. The adjustable support bar of claim 1, wherein: buckle notch (7) inner wall top is L type notch structure, spring module (8) top be L type structure and with buckle notch (7) clearance fit is connected.

6. The adjustable support pole of claim 1 wherein: spring module (8) side is provided with reset spring (13), and reset spring (13) outer end sets up on buckle notch (7) inside wall, just spring module (8) can carry out the arc swing in buckle notch (7).