CN213933078U - Terminal looseness detection jig for terminal components - Google Patents

Abstract

The utility model discloses a terminal of terminal class components and parts becomes flexible detection tool, including base, worm gear subassembly, shift detector and pressure sensor, wherein worm gear subassembly fixed connection be in on the base, the worm gear subassembly includes worm wheel, worm and handle, the worm wheel with worm intermeshing, the handle is connected the axle center position department of worm wheel is in order to be used for passing through the handle drives the worm wheel rotates, the shift detector with pressure sensor respectively with the worm is connected, be equipped with on the base and be used for placeeing the platform of terminal class components and parts, the shift detector is used for detecting the displacement of worm, pressure sensor is used for measuring the pressure of pressing on the terminal class components and parts. The utility model discloses can realize that the mark quantization ground detects terminal not hard up.

Description

Terminal looseness detection jig for terminal components

Technical Field

The utility model relates to a product detection field especially relates to a not hard up detection tool of terminal class components and parts.

Background

The assembled components and parts of taking the terminal have the not hard up difficult problem that detects and find of terminal, and operating personnel presses the terminal bottom through the staff and observes whether the terminal can appear rocking to the detection mode of the not hard up project of terminal at present, if appear rocking then judge that this product terminal is not hard up, if do not appear rocking then judge that this product does not have the terminal not hard up. The terminal looseness detection method has the following problems: (1) the pressing force and the stroke of the manual finger are not controllable; (2) the method is too dependent on subjective judgment of operators, and cannot be subjected to standard quantity management; (3) low working efficiency and high labor intensity.

The above background disclosure is only provided to aid in understanding the concepts and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present patent application, and it should not be used to assess the novelty and inventive step of the present application without explicit evidence that the above content has been disclosed at the filing date of the present patent application.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a not hard up detection tool of terminal class components and parts can realize that whether the terminal is not hard up to detect with the standardization.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses a terminal of terminal class components and parts becomes flexible detection tool, including base, worm gear subassembly, shift detector and pressure sensor, wherein worm gear subassembly fixed connection be in on the base, the worm gear subassembly includes worm wheel, worm and handle, the worm wheel with worm intermeshing, the handle is connected the axle center position department of worm wheel is in order to be used for passing through the handle drives the worm wheel rotates, the shift detector with pressure sensor respectively with the worm is connected, be equipped with on the base and be used for placeeing the platform of terminal class components and parts, the shift detector is used for detecting the displacement of worm, pressure sensor is used for measuring the pressure of pressing on the terminal class components and parts.

Preferably, the worm is disposed in a vertical direction.

Preferably, the terminal looseness detection jig further comprises a fixing block, the fixing block is fixedly connected to the worm, and the pressure sensor is fixedly connected to the fixing block.

Preferably, the terminal looseness detection tool still includes linear guide, linear guide's one end fixed connection in order to drive on the fixed block moves along vertical direction.

Preferably, the terminal looseness detection tool further comprises a horizontal tester, and the horizontal tester is arranged on the base.

Preferably, the movement detector is connected to an upper end of the worm, and the pressure sensor is connected to a lower end of the worm.

Preferably, the terminal looseness detection jig further comprises a reset circuit, the reset circuit is electrically connected with the movable detector, the reset circuit is electrically connected between the pressure sensor and the base and takes whether the pressure sensor contacts with the terminal component or not as a switch of the circuit, and the reset circuit is used for resetting a display numerical value of the movable detector when the pressure sensor contacts with the terminal component.

Preferably, the reset circuit includes a power source, an intermediate relay, and a time relay electrically connected to each other.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a terminal looseness detection tool of terminal class components and parts carries out terminal looseness when detecting to terminal class components and parts, can show pressure through pressure sensor, with the worm gear control stroke precision of pressing, with the travel detector demonstration stroke of pressing, judge whether terminal class components and parts have terminal looseness harmfully by concrete numerical value, the result is more objective, more accurate, and can quantify the judgement condition; thereby solved the not hard up dynamics and the stroke that the artifical finger that detects the mode existence of current terminal pressed and be uncontrollable, too rely on the subjective judgement of operating personnel and the problem of unable standardization.

Drawings

Fig. 1 is a schematic structural view of a terminal looseness detection jig of a terminal component according to a preferred embodiment of the present invention;

fig. 2 is an enlarged schematic view at a in fig. 1.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the embodiment of the present invention will solve more clearly understand, the following combines the drawings and embodiment, and goes forward the further detailed description of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for either a fixing function or a circuit connection function.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1 and fig. 2, the preferred embodiment of the present invention discloses a terminal looseness detection jig for terminal components 10, which includes a base 20, a worm gear assembly 30, a movement detector 40 and a pressure sensor 50, wherein the worm gear assembly 30 is fixedly connected to the base 20, and includes a worm wheel 31, a worm (not shown) and a handle 32, the worm wheel 31 and the worm are engaged with each other, the handle 32 is connected to the axis position of the worm wheel 31 for driving the worm wheel 31 to rotate through the handle 32, and the rotation of the worm wheel 31 drives the worm to move back and forth along the axial direction; the movement detector 40 and the pressure sensor 50 are connected to the worm, respectively, the terminal device 10 can be placed on the upper surface of the base 20, the movement detector 40 is used for detecting the movement distance of the worm, and the pressure sensor 50 is used for measuring the pressure applied to the terminal device 10.

In a particular embodiment, the worm is arranged in a vertical direction, i.e. the axial direction of the worm is vertical. And wherein the movement detector 40 is connected to the upper end of the worm, and a screen displaying the movement distance is provided on the movement detector 40 for the user to check, and the pressure sensor 50 is connected to the lower end of the worm. The terminal looseness detection jig further comprises a fixing block 60 and a vertical linear guide rail 70, wherein the fixing block 60 is fixedly connected to the lower end of the worm, and the pressure sensor 50 is fixedly connected to the lower end of the fixing block 60; one end of the vertical linear guide 70 is fixedly coupled to the fixing block 60 to move the fixing block 60 in a vertical direction. A level tester 80 may be additionally provided on the base 20 for adjusting the levelness of the base 20.

In some embodiments, the probe 51 of the pressure sensor 50 may be a resistive sensor, in other embodiments, the probe may also be a capacitive sensor, and when a capacitive sensor is used, a clearance groove may be newly added on the base of the jig, and the sensor may be installed in the clearance groove.

The terminal looseness detection jig for the terminal component of the preferred embodiment of the utility model converts manual hand-cranking action into vertical downward action in a worm gear mode, and the worm gear has a self-locking function, so that the stroke is convenient to return to zero; the level of tool is adjusted through the horizon finder, and rethread pressure sensor detects the pressing force, and it is vertical to guarantee through linear guide rail that pressure sensor presses the direction of terminal components and parts. Adopt the utility model discloses the not hard up detection tool of terminal class components and parts of preferred embodiment carries out the not hard up step that detects of terminal to terminal class components and parts as follows: when the user just touches the probe 51 of the pressure sensor 50 with the surface of the terminal component 10 (i.e., the touch is generated and the pressure is zero) by shaking the handle 32, the value of the position display screen of the movement detector 40 is reset to zero, and then the handle 32 is further shaken to further press the terminal component 10 by the probe 51 of the pressure sensor 50 to a predetermined stroke, and whether the display value of the pressure sensor 50 is within a predetermined range (the pressure value is gradually increased along with the increase of the movement distance) is observed, if the display value is within the predetermined range, it is determined that the terminal component has no terminal looseness, and if the display value is beyond the range (for example, the pressure value is not gradually increased along with the increase of the movement distance, and may have sudden change or approach to zero), it is determined that the terminal of the terminal component is loosened.

In other embodiments, the terminal looseness detection fixture may further include a reset circuit, the reset circuit is electrically connected to the movement detector 40, the reset circuit is electrically connected between the pressure sensor 50 and the base 20 and uses whether the pressure sensor 50 contacts the terminal component 10 as a switch of the circuit, specifically, a layer of tin may be coated at a position where the terminal component 10 is placed on the base 20 so that the base 20 is electrically connected to the terminal component 10, and the reset circuit may be configured to reset (i.e., return to zero) a display value of the movement detector 40 when the pressure sensor 50 contacts the terminal component 10. Wherein the reset circuit includes a power source, an intermediate relay and a time relay electrically connected to each other, the intermediate relay controls the reset of the display value of the movement detector 40, the time relay is used to offset the mechanical delay of the intermediate relay, and the circuit is timely disconnected to avoid the uninterrupted reset. Through the reset circuit, when the terminal looseness detection jig is used for detecting whether the terminal of the terminal component is loosened or not, the terminal is directly pressed down to a specified stroke through the handle, the numerical value of the position display screen of the movable detector 40 does not need to be manually reset to zero, and the reset circuit automatically achieves the function when the probe 51 of the pressure sensor 50 is just contacted with the surface of the terminal component 10 (namely contact is generated and the pressure is zero).

By adopting the terminal looseness detection jig of the terminal component of the preferred embodiment of the utility model to detect the terminal looseness of the terminal component, the pressure can be displayed through the pressure sensor, the pressing stroke precision is controlled by the worm gear, the pressing stroke is displayed by the movement detector, whether the terminal component has poor terminal looseness is judged by concrete numerical values, the result is more objective and accurate, and the judgment condition can be quantized; thereby can solve the not controllable dynamics and the stroke that artifical finger that present terminal not hard up detection mode exists pressed, too rely on the subjective judgement of operating personnel and the problem of unable standardization.

The terminal component in the above embodiments may be a terminal inductor or other component.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the technical field of the utility model belongs to the prerequisite of not deviating from the utility model discloses, can also make a plurality of equal substitution or obvious variants, performance or usage are the same moreover, all should regard as belonging to the utility model's scope of protection.

Claims (8)

1. The utility model provides a not hard up detection tool of terminal class components and parts's terminal, a serial communication port, including base, worm gear subassembly, shift detector and pressure sensor, wherein worm gear subassembly fixed connection be in on the base, the worm gear subassembly includes worm wheel, worm and handle, the worm wheel with worm intermeshing, the handle is connected the axle center position department of worm wheel is in order to be used for passing through the handle drives the worm wheel rotates, shift detector with pressure sensor respectively with the worm is connected, be equipped with on the base and be used for placeeing the platform of terminal class components and parts, shift detector is used for detecting the displacement of worm, pressure sensor is used for measuring the pressure of pressing on the terminal class components and parts.

2. The jig for detecting loosening of terminals as claimed in claim 1, wherein the worm is disposed in a vertical direction.

3. The jig for detecting looseness of a terminal according to claim 2, further comprising a fixing block, wherein the fixing block is fixedly connected to the worm, and the pressure sensor is fixedly connected to the fixing block.

4. The jig for detecting looseness of a terminal according to claim 3, further comprising a linear guide rail, wherein one end of the linear guide rail is fixedly connected to the fixing block so as to drive the fixing block to move in a vertical direction.

5. The jig for detecting loosening of terminals as claimed in claim 2, further comprising a level tester disposed on the base.

6. The jig for detecting loosening of terminals as claimed in claim 2, wherein the movement detector is connected to an upper end of the worm, and the pressure sensor is connected to a lower end of the worm.

7. The jig for detecting loosening of terminals as claimed in any one of claims 1 to 6, further comprising a reset circuit electrically connected to the movement detector, wherein the reset circuit is electrically connected between the pressure sensor and the base and is configured to reset a value displayed by the movement detector when the pressure sensor is in contact with the terminal component, and the reset circuit is configured to be a switch of the circuit as to whether the pressure sensor is in contact with the terminal component.

8. The jig for detecting loosening of terminals as claimed in claim 7, wherein the reset circuit includes a power supply, an intermediate relay and a time relay electrically connected to each other.

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