CN217717914U

CN217717914U - Direct current resistance tester convenient for sample fixation

Info

Publication number: CN217717914U
Application number: CN202220331254.1U
Authority: CN
Inventors: 陈丽丽; 项文娜
Original assignee: Zhengzhou Huadong New Energy Technology Co ltd
Current assignee: Zhengzhou Huadong New Energy Technology Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-11-01
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a direct current resistance tester convenient for sample fixation, which comprises an installation bottom plate; installing a bottom plate: the upper surface is equipped with the slide rail of two symmetric distributions, the equal sliding connection in upper end of slide rail has the slider, the upper end of slider all is equipped with the L seat, left L seat upper end sliding connection has four evenly distributed's guide pillar, the right-hand member of guide pillar all with the left surface fixed connection of mounting disc, the left end of guide pillar all with the right flank fixed connection of baffle, the outside of guide pillar all is overlapped and is equipped with first spring, first spring all is located between mounting disc and the left L seat right flank, the right-hand member of mounting disc rotates and is connected with first chuck, the downthehole rotation of changeing that the L seat upper end on right side was seted up is connected with changes the cover, the left end of changeing the cover is equipped with the second chuck, the second chuck corresponds with first chuck position, mounting plate's upper surface rear side is equipped with the detector body, this be convenient for the fixed direct current resistance tester of sample, the resistance to different models is tested conveniently.

Description

Direct current resistance tester convenient for sample fixation

Technical Field

The utility model relates to a direct current resistance ware detects technical field, specifically is a direct current resistance tester convenient to sample is fixed.

Background

The direct current resistor's is small, high durability and convenient carrying, the switch is totally enclosed, do not need to wash, contact pressure is little, long service life, the variation is little, extensively be applicable to the mill, school and scientific research unit do measure and other experiments usefulness, the direct current resistor needs test after the production is accomplished, traditional test mode utilizes the bolt to fix resistance on examining the test table, again with two wiring ends and the external power source of resistance be connected, in order to test, such test mode need frequently dismantle the bolt, influence the efficiency of resistance test, and simultaneously, the unable rotation of bolted resistance, be not convenient for detect the outward appearance of resistance, for this reason, we provide the direct current resistance tester that the sample of being convenient for is fixed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a direct current resistance tester convenient to the sample is fixed, the convenient resistance to different models tests, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a direct current resistance tester facilitating sample fixation comprises a mounting base plate;

installing a bottom plate: the upper surface of the sliding rail is provided with two symmetrically distributed sliding rails, the upper end of each sliding rail is connected with a sliding block in a sliding mode, the upper end of each sliding block is provided with an L seat, the upper end of the left L seat is connected with four guide pillars which are evenly distributed in a sliding mode, the right end of each guide pillar is fixedly connected with the left side face of the mounting disc, the left end of each guide pillar is fixedly connected with the right side face of each baffle, a first spring is sleeved outside each guide pillar, each first spring is located between the mounting disc and the right side face of the left L seat, the right end of the mounting disc is connected with a first chuck in a rotating mode, the rotating hole inner rotation which is formed in the upper end of the right L seat is connected with a rotating sleeve, the left end of each rotating sleeve is provided with a second chuck, the second chuck corresponds to the position of the first chuck, the rear side of the upper surface of the mounting base plate is provided with a detector body, resistors with different lengths can be clamped and fixed conveniently, resistors with different models can be tested, the resistance testing efficiency is improved, the resistance can be rotated, and the appearance of the resistors can be conveniently detected.

Furthermore, the installation base plate further comprises a control switch, the control switch is arranged on the front side of the upper surface of the installation base plate, an input end of the control switch is electrically connected with an external power supply, and the normal operation of the device is regulated and controlled.

Further, still include fixing base, electric putter and fixed block, the fixing base symmetry sets up in mounting plate's upper surface middle part, and electric putter sets up respectively in the lateral surface upper end that keeps away from of the back of fixing base, and the fixed block sets up respectively in the bottom plate body upper surface middle part of L seat, and electric putter's flexible end respectively with fixed block fixed connection, electric putter's input electricity connection control switch's output provides power for the removal of other parts.

Furthermore, the manual operating device also comprises a hand wheel, wherein the hand wheel is arranged at the right end of the rotating sleeve and provides a manual operating position for an operator.

Further, still include ejector pin, triangle dop, second spring and third spring, ejector pin sliding connection is in changeing the middle part draw-in groove of cover, and the right-hand member of ejector pin passes the through-hole that the hand wheel middle part was seted up, and triangle dop symmetry sliding connection is in the square mouth that the ejector pin left end was seted up, and the second spring sets up between two triangle dops, and the first opening that changes the cover right-hand member and set up is passed respectively to the outside end that leaves mutually of triangle dop, the recess joint that the cambered surface was seted up in the commentaries on classics hole that the outside end that leaves mutually of dop all seted up with L seat upper end, and the third spring sets up between ejector pin and second chuck, can realize changeing the locking of cover and left side part.

Furthermore, the device also comprises limiting blocks which are respectively arranged at the end heads of the left side and the right side of the sliding rail, so that the device can operate within a certain range, and the upper part can be prevented from over-moving.

Furthermore, the device also comprises mounting holes which are respectively arranged at four corners of the upper surface of the mounting bottom plate, so that the device is convenient to fix in a use position.

Compared with the prior art, the beneficial effects of the utility model are that: this direct current resistance tester convenient to sample is fixed has following benefit:

1. the device is fixed at a use position through a mounting hole, the device is regulated and controlled through a control switch, an electric push rod works, a telescopic end pulls an L seat to move under sliding support of a sliding rail and a sliding block, so that the distance between the left side groove wall of a first chuck and the right side groove wall of a second chuck is regulated to be consistent with the length of a resistor to be measured, one end of the resistor is inserted into a notch of the first chuck firstly, then the resistor is pressed leftwards, a right side part is driven by a guide pillar to slide leftwards, a first spring is compressed, then the other end of the resistor is clamped into the inside of the second chuck, the first chuck rebounds rightwards under the action of the first spring, so that the resistor is fixed through mutual clamping of the second chuck and the first chuck, a connecting wire on the connecting resistor and a connecting wire of a detector body start a resistor test, when the resistor with the same length is tested, the distance between the two L seats does not need to be regulated again, when the resistor is measured for longer or shorter, the electric push rod can be regulated and controlled to work through the control switch again, further, the distance between the two L seats is regulated, so that the distance between the left side groove wall of the first chuck and the second chuck and the resistor to be consistent with the length to be measured, the resistor is convenient test efficiency is improved, and the resistance is improved.

2. When needing to rotate resistance, the operator presses the ejector pin to the left, the ejector pin slides to the left side of changeing the cover, the compression of third spring, this moment, the outside hypotenuse of triangle dop and the first opening relative slip that changes on the cover, so that the recess in the lateral end of triangle dop and the L seat upper end commentaries on classics hole breaks away from, at this moment, the rotatory hand wheel of operator, the hand wheel area changes the cover and the left side part rotates, and then realize the rotation of resistance, when resistance changes to the assigned position, loosen the ejector pin, the ejector pin is pushed up to the right to the third spring, make the triangle dop block once more in the recess in the commentaries on classics hole on the L seat, with this fixed of realization resistance, can rotate resistance, be convenient for detect the outward appearance of resistance.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of a cross-sectional structure of the rotary sleeve of the present invention.

In the figure: the device comprises a mounting base plate 1, a control switch 2, a sliding rail 3, a sliding block 4, a base 5L, a guide pillar 6, a first spring 7, a mounting disc 8, a first chuck 9, a baffle 10, a rotating sleeve 11, a second chuck 12, a hand wheel 13, a push rod 14, a triangular clamp head 15, a second spring 16, a third spring 17, a fixed seat 18, an electric push rod 19, a fixed block 20, a mounting hole 21, a limiting block 22 and a detector body 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment provides a technical solution: a direct current resistance tester convenient for sample fixation comprises a mounting base plate 1;

mounting the bottom plate 1: the mounting base plate 1 provides a mounting place for the upper part, two slide rails 3 which are symmetrically distributed are arranged on the upper surface of the mounting base plate, the upper ends of the slide rails 3 are all connected with a slide block 4 in a sliding manner, the upper ends of the slide blocks 4 are all provided with L seats 5, the upper end of the left L seat 5 is connected with four guide pillars 6 which are evenly distributed in a sliding manner, the right ends of the guide pillars 6 are all fixedly connected with the left side surface of a mounting disc 8, the left ends of the guide pillars 6 are all fixedly connected with the right side surface of a baffle 10, the outer parts of the guide pillars 6 are all sleeved with first springs 7, the first springs 7 are all positioned between the mounting disc 8 and the right side surface of the left L seat 5, the right end of the mounting disc 8 is rotatably connected with a first chuck 9, a rotary sleeve 11 is rotatably connected in a rotary hole formed in the upper end of the right L seat 5, the left end of the rotary sleeve 11 is provided with a second chuck 12, the second chuck 12 corresponds to the first chuck 9, a detector body 23 is arranged on the rear side of the upper surface of the mounting base plate 1, the device also comprises a fixed seat 18, an electric push rod 19 and a fixed block 20, wherein the fixed seat 18 is symmetrically arranged in the middle of the upper surface of the mounting base plate 1, the electric push rod 19 is respectively arranged at the upper ends of the opposite outer side surfaces of the fixed seat 18, the fixed block 20 is respectively arranged in the middle of the upper surface of the bottom plate body of the L seat 5, the telescopic end of the electric push rod 19 is respectively fixedly connected with the fixed block 20, the input end of the electric push rod 19 is electrically connected with the output end of the control switch 2, the device also comprises a hand wheel 13, the hand wheel 13 is arranged at the right end of the rotating sleeve 11, the device also comprises a push rod 14, a triangular clamp head 15, a second spring 16 and a third spring 17, the push rod 14 is slidably connected in a middle slide port of the rotating sleeve 11, the right end of the push rod 14 penetrates through a through hole formed in the middle of the hand wheel 13, the triangular clamp head 15 is symmetrically slidably connected in a square port formed in the left end of the push rod 14, the second spring 16 is arranged between the two triangular clamp heads 15, the end heads of the triangular clamping heads 15, which are opposite to the outer side, respectively penetrate through a first opening formed in the right end of the rotating sleeve 11, the end heads of the triangular clamping heads 15, which are opposite to the outer side, are clamped with grooves formed in inner arc surfaces of rotating holes formed in the upper end of the L-shaped seat 5, the third spring 17 is arranged between the ejector rod 14 and the second clamping head 12, the triangular clamping heads further comprise limiting blocks 22, the limiting blocks 22 are respectively arranged at the end heads of the left side and the right side of the sliding rail 3, the triangular clamping heads further comprise mounting holes 21, the mounting holes 21 are respectively formed in the four corners of the upper surface of the mounting base plate 1, the device is fixed in the use position through the mounting holes 21, the electric push rods 19 work through the regulation and control of the control switch 2, the telescopic ends pull the L-shaped seat 5 to move under the sliding support of the sliding rail 3 and the sliding block 4, so as to regulate the distance between the left side groove wall of the first clamping head 9 and the right side groove wall of the second clamping head 12 to be consistent with the length to be measured, one end of the resistor is firstly inserted into the groove opening of the first clamping head 9, then, the left side is pressed, the guide post 6 drives the right side part to slide leftwards, the first spring 7 is compressed, then, the other end of the resistor is clamped into the second chuck 12, the first chuck 9 rebounds rightwards under the action of the first spring 7, so that the fixing of the resistor is realized through the mutual clamping of the second chuck 12 and the first chuck 9, a connecting line connecting a lead on the resistor and the detector body 23 starts a resistor test, when the resistor with the same length is tested, the distance between the two L seats 5 does not need to be adjusted again, when a longer or shorter resistor is measured, the electric push rod 19 can be adjusted and controlled to work again through the control switch 2, the distance between the two L seats 5 is further adjusted, the distance between the left side groove wall of the first chuck 9 and the right side groove wall of the second chuck 12 is consistent with the length of the resistor to be measured, when the resistor needs to be rotated, an operator presses the ejector rod 14 leftwards, the ejector rod 14 slides towards the left side of the rotating sleeve 11, the third spring 17 is compressed, at the moment, the outer oblique edge of the triangular chuck 15 slides relative to the first opening in the rotating sleeve 11, so that the outer end of the triangular chuck 15 is separated from the groove in the rotating hole at the upper end of the L seat 5, at the moment, the operator rotates the hand wheel 13, the hand wheel 13 drives the rotating sleeve 11 and the left part to rotate, further, the resistor rotates, when the resistor rotates to a specified position, the ejector rod 14 is loosened, the third spring 17 pushes the ejector rod 14 rightwards, so that the triangular chuck 15 is clamped into the groove in the rotating hole at the upper end of the L seat 5 again, and the resistor is fixed;

wherein: still include control switch 2, control switch 2 regulates and control the normal operating of device, and control switch 2 sets up in the upper surface front side of mounting plate 1, and external power source is connected to control switch 2's input electricity.

The utility model provides a pair of direct current resistance tester convenient to sample is fixed's theory of operation as follows: the device is fixed at a use position through a mounting hole 21, an electric push rod 19 works through regulation and control of a control switch 2, a telescopic end pulls an L-shaped seat 5 to move under sliding support of a sliding rail 3 and a sliding block 4, so that the distance between the left side groove wall of a first chuck 9 and the right side groove wall of a second chuck 12 is adjusted to be consistent with the length of a resistor to be measured, one end of the resistor is firstly inserted into a notch of the first chuck 9, then the resistor is pressed leftwards, a guide post 6 drives a right side part to slide leftwards, a first spring 7 is compressed, then the other end of the resistor is clamped into the second chuck 12, under the action of the first spring 7, the first chuck 9 rebounds rightwards, so that the fixing of the resistor is realized through mutual clamping of the second chuck 12 and the first chuck 9, a lead on the connecting resistor and a connecting wire of a detector body 23 start a resistance test, when the resistor with the same length is tested, the distance between the two L seats 5 does not need to be adjusted again, when a longer or shorter resistor is measured, the electric push rod 19 can be regulated and controlled to work through the control switch 2 again, the distance between the two L seats 5 is further adjusted, the distance between the left side groove wall of the first chuck 9 and the right side groove wall of the second chuck 12 is enabled to be consistent with the length of the resistor to be measured, when the resistor needs to be rotated, an operator presses the ejector rod 14 leftwards, the ejector rod 14 slides towards the left side of the rotating sleeve 11, the third spring 17 is compressed, at the moment, the outer side bevel edge of the triangular chuck 15 slides relative to the first opening on the rotating sleeve 11, so that the outer side end of the triangular chuck 15 is separated from the groove in the rotating hole at the upper end of the L seat 5, at the moment, the operator rotates the hand wheel 13, the hand wheel drives the rotating sleeve 11 and the left side part to rotate, the rotation of the resistor is further realized, when the resistor rotates to a specified position, the ejector rod 14 is loosened, the third spring 17 pushes the ejector rod 14 to the right, and the triangular chuck 15 is clamped into the groove in the rotary hole at the upper end of the L seat 5 again, so that the resistor is fixed.

It should be noted that the resistance tester with the model number of KEW3125A can be selected for the testing apparatus body 23 disclosed in the above embodiments, the electric push rod 19 with the model number of YH8-521 can be selected for the electric push rod, and the control switch 2 is provided with a switch button corresponding to the electric push rod 19 for controlling the switch operation thereof.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a direct current resistance tester convenient to sample is fixed which characterized in that: comprises a mounting base plate (1);

mounting base plate (1): the upper surface is equipped with slide rail (3) of two symmetric distributions, the equal sliding connection in upper end of slide rail (3) has slider (4), the upper end of slider (4) all is equipped with L seat (5), left L seat (5) upper end sliding connection has four evenly distributed's guide pillar (6), the right-hand member of guide pillar (6) all with the left surface fixed connection of mounting disc (8), the left end of guide pillar (6) all with the right flank fixed connection of baffle (10), the outside of guide pillar (6) all overlaps and is equipped with first spring (7), first spring (7) all are located between mounting disc (8) and left L seat (5) right flank, the right-hand member of mounting disc (8) rotates and is connected with first chuck (9), the downthehole rotation of changeing of seting L seat (5) upper end on right side is connected with commentaries on classics cover (11), the left end of commentaries on classics cover (11) is equipped with second chuck (12), second chuck (12) correspond to first chuck (9) position, the upper surface rear side of mounting plate (1) is equipped with detector body (23).

2. A direct current resistance tester facilitating sample fixation according to claim 1, wherein: the power supply is characterized by further comprising a control switch (2), wherein the control switch (2) is arranged on the front side of the upper surface of the mounting base plate (1), and the input end of the control switch (2) is electrically connected with an external power supply.

3. A direct current resistance tester facilitating sample fixation according to claim 2, wherein: still include fixing base (18), electric putter (19) and fixed block (20), fixing base (18) symmetry sets up in the upper surface middle part of mounting plate (1), and electric putter (19) set up respectively in the lateral surface upper end that keeps away from of fixing base (18), and fixed block (20) set up respectively in the middle part of the bottom plate body upper surface of L seat (5), the flexible end of electric putter (19) respectively with fixed block (20) fixed connection, the output of electric connection control switch (2) of input of electric putter (19).

4. A direct current resistance tester facilitating sample fixation according to claim 1, wherein: the hand wheel (13) is arranged at the right end of the rotating sleeve (11).

5. The direct current resistance tester facilitating sample fixation according to claim 4, wherein: still include ejector pin (14), triangle dop (15), second spring (16) and third spring (17), ejector pin (14) sliding connection is in the middle part draw-in groove of changeing cover (11), the through-hole that hand wheel (13) middle part was seted up is passed to the right-hand member of ejector pin (14), triangle dop (15) symmetry sliding connection is in the square mouth that ejector pin (14) left end was seted up, second spring (16) set up between two triangle dop (15), the first opening that commentaries on classics cover (11) right-hand member was seted up is passed respectively to the outside end that faces away from of triangle dop (15), the recess joint that the cambered surface was seted up in the commentaries on classics hole that all seted up with L seat (5) upper end was seted up to the outside end that faces away from of dop (15), third spring (17) set up between ejector pin (14) and second chuck (12).

6. A direct current resistance tester facilitating sample fixation according to claim 1, wherein: the sliding rail is characterized by further comprising limiting blocks (22), wherein the limiting blocks (22) are respectively arranged at the end heads of the left side and the right side of the sliding rail (3).

7. A direct current resistance tester facilitating sample fixation according to claim 1, wherein: the mounting structure is characterized by further comprising mounting holes (21), wherein the mounting holes (21) are respectively formed in four corners of the upper surface of the mounting base plate (1).