CN212747690U - Wiring structure of diameter measuring instrument - Google Patents

Abstract

The application relates to the field of calipers, in particular to a wiring structure of a caliper. The LED lamp power supply device is characterized by comprising a transmission port, wherein a transmission head is detachably connected to the transmission port, a connecting piece is connected between the transmission head and the transmission port, a power supply device which is connected with an LED lamp and is provided with an LED lamp is arranged on the transmission head, a power switch which controls the LED lamp to be on or off is arranged on the transmission head, a driving switch which turns off the LED lamp is further arranged on the transmission head, and a driving piece which triggers the driving switch is arranged on the transmission head. This application has through having set up the LED lamp, at the in-process of installation, can have sufficient light source, makes things convenient for the staff to install, simultaneously, after the installation is accomplished, self-closing, the effect of the energy can be saved.

Description

Wiring structure of diameter measuring instrument

Technical Field

The application relates to the field of calipers, in particular to a wiring structure of a caliper.

Background

The diameter measuring instrument is an instrument for measuring the diameter of an object by non-contact measurement by using the optical principle of laser. The diameter measuring instrument mainly utilizes a rotary octahedral mirror to scan emitted laser into a light band, and a shadow formed on the light band by an object to be measured transmits signals through a photodiode and is converted into digital signals for measurement. The diameter measuring instrument is mainly suitable for large-diameter measurement and has the advantages of high precision and quick measurement.

The existing diameter measuring instrument comprises a diameter measuring instrument body, wherein an emission part, a transmission part and a display screen are arranged on the diameter measuring instrument body, a measuring groove is formed in the diameter measuring instrument body, a measuring table is arranged on the measuring groove, the emission part and the transmission part are respectively located on two sides of the measuring table, the display screen is located above the body, an output end of an output signal is arranged on one side of the body, and a transfer line is arranged on the output end. When the staff carries out the measured object diameter measurement, place the measurement thing on the measurement platform earlier, open the transmitting part after that, transmitting part transmission signal, with the measured object contact back, partly signal is blockked, and remaining signal passes through the measured object, gets into behind the transmission part, carries out the analysis of signal, and the data structure who reachs shows on the display screen, also can export to outside equipment through the output.

In view of the above-mentioned related technologies, when a worker inserts a junction line in a dark place, the worker generally needs to use an external light source such as a flashlight to perform auxiliary lighting, which is inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

In order to solve the convenience and assist the grafting of patch cord under the dark surrounds, this application provides a wiring structure of calliper.

The application provides a pair of wiring structure of calliper adopts following technical scheme:

the utility model provides a wiring structure of calliper, includes the transmission mouth, can dismantle on the transmission mouth and be connected with the transmission head, the transmission head with be connected with the connecting piece between the transmission mouth, the overhead power supply unit who is provided with the LED lamp and is connected with the LED lamp of transmission, the overhead control that is provided with of transmission the switch that the LED lamp goes on and off, the overhead drive switch that turns off the LED lamp that still is provided with of transmission, the overhead driving piece that triggers drive switch that is provided with of transmission.

Through adopting above-mentioned technical scheme, when the staff carried out the installation of transmission head and transmission mouth, the staff opened switch earlier, switch opened and made the LED lamp light, will transmit the head and insert the transmission mouth after that, the driving piece is after the transmission head inserts the transmission mouth, and drive switch is closed, and drive switch is closed for the LED lamp extinguishes, then passes through the connecting piece, makes the transmission head inseparabler with being connected between the transmission mouth, accomplishes the installation. Through having set up the LED lamp, at the in-process of installation, can have sufficient light source, make things convenient for the staff to install, simultaneously, after the installation is accomplished, self-closing, the energy can be saved.

Preferably, the power switch is connected in series in a power supply loop of the LED lamp.

By adopting the technical scheme, when the LED lamp needs to work, the power switch is turned off firstly, and the power switch is turned off, so that the power supply device supplies power to the LED lamp, and the power switch can be controlled to control the LED lamp to be on or off when the LED lamp is required to be on.

Preferably, the driving switch is connected with a switching device, an input end and an output end of the switching device are connected in series in a power supply loop of the LED lamp, and a control end of the switching device is connected with the driving switch.

By adopting the technical scheme, after the transmission head is connected with the transmission port, the driving switch is turned off, and the control end of the switch device is controlled, so that the input end and the output end of the control switch are turned off, the power supply circuit of the LED lamp is turned off, and the LED lamp does not work any more. Through the arrangement, the LED lamp can be automatically turned off after the transmission head and the transmission port are installed, and the power supply is saved.

Preferably, the switching device includes a PNP triode, the connection point of the driving switch and the ground terminal is connected to the base of the PNP triode, the emitter of the PNP triode is connected to the voltage input terminal through the power switch, and the collector of the PNP triode is grounded.

By adopting the technical scheme, after the driving switch is closed, the current of the base electrode of the PNP triode is increased, and the base electrode of the PNP triode controls the emitter and the collector of the PNP triode to be not conducted, so that the power supply loop of the LED lamp is disconnected, and the LED lamp is extinguished.

Preferably, the PNP triode is connected with a first resistor, and two ends of the first resistor are respectively connected with the base and the ground terminal of the triode.

By adopting the technical scheme, the first resistor is arranged between the triode and the grounding end, so that the voltage at one end of the base electrode of the triode cannot be pulled to a low level.

Preferably, a buzzer is connected in series in the power supply loop of the power switch.

Through adopting above-mentioned technical scheme, set up bee calling organ in power supply loop to can indicate the staff and transmit the head and insert in the transmission mouth.

Preferably, the transmission head is provided with a driving groove for accommodating the driving switch, the driving part comprises a driving spring arranged in the driving groove and a driving block arranged in the driving groove in a sliding manner, and two ends of the driving spring are respectively connected to the bottom of the driving groove and the driving block.

Through adopting above-mentioned technical scheme, when the staff carries out the installation of transmission head and transmission mouth, the drive block receives the effort of organism when the installation for the drive block removes towards the drive inslot, and the drive block removes and makes drive spring take place to deform, and the drive block produces the effort to drive switch, makes drive switch be in the state of being pressed, thereby makes drive switch, controls the input and the output disconnection of PNP triode, makes the LED lamp no longer luminous.

Preferably, the spread groove has been seted up on the first lateral wall of transmission, the connecting piece is including being located the connecting spring and the connecting block of spread groove, connecting block and spread groove tank bottom are connected respectively at connecting spring's both ends, seted up on the organism and locked the groove, connecting block one side slides and connects in the spread groove and its opposite side and locking groove grafting cooperation, it slides in order to break away from to be provided with the drive connecting block on the connecting block the moving member of locking groove.

By adopting the technical scheme, when the transmission head and the transmission port are installed, a worker firstly presses the connecting block, the connecting block receives the acting force of the worker, the connecting block generates acting force on the connecting spring, the connecting spring is in a compressed state, the connecting block moves towards the connecting groove, the transmission head is inserted into the transmission port, the connecting block receives the acting force of the side wall of the machine body, the connecting block is always in the connecting groove and continues to be inserted, the connecting block faces towards the locking groove, the connecting block receives the acting force of the connecting spring for restoring deformation, the connecting block enters the locking groove, and the installation of the transmission head is completed; when dismantling, the staff can utilize the moving member for connecting block and locking groove take place to separate. The transmission head is convenient for workers to install through the connecting piece.

Preferably, the moving member wears to locate including sliding locking lever and locking block outside locking inslot and extending to the organism, locking block one side is connected with the locking lever and its opposite side and connecting block butt, the cover is equipped with locking spring on the locking lever, locking spring's one end links to each other with locking groove tank bottom, and its other end links to each other with the locking block.

Through adopting above-mentioned technical scheme, when the staff carries out the separation of connecting block and locking groove, utilize the locking lever to remove towards the direction of connecting block earlier, the locking lever removes and drives the locking block and removes, the locking block produces the effort to locking spring, make locking spring compressed, thereby the removal of locking block makes the connecting block receive the effort, the connecting block receives the effort and removes towards the direction of connecting groove, thereby make connecting block and locking groove take place to separate, the completion is dismantled the back, the locking block receives the effort that locking spring resumes deformation, make the locking lever remove towards the direction of keeping away from the connecting block.

Preferably, a guide inclined plane is arranged on the outer side wall of the connecting block close to the transmission head.

Through adopting above-mentioned technical scheme, when the staff carries out the installation of transmission head and transmission mouth, because the connecting block is the direction inclined plane, be the inclined plane towards the direction of transmission head to make the transmission head at the in-process of installation, the connecting block receives the effort of organism lateral wall, make the connecting block effort have partly separation towards the spread groove direction, thereby the connecting block does not need staff's effort, just can make in the connecting block gets into the spread groove, transmission head and transmission mouth install.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through having set up the LED lamp, at the in-process of installation, can have sufficient light source, make things convenient for the staff to install, simultaneously, after the installation is accomplished, self-closing, the energy can be saved.

2. Through setting up drive switch for after transmission head and transmission mouth have been installed, the LED lamp of can automatic closing, save the power.

3. Through setting up the connecting piece for the joint strength grow between transmission head and the transmission mouth, be difficult to throw off.

Drawings

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

Fig. 2 is a schematic cross-sectional view of the present application showing the drive slot.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a circuit diagram of a power supply loop and a control loop of an LED lamp.

Reference numerals: 1. a body; 2. a measuring tank; 3. a display screen; 4. a transmitting end; 5. a connecting member; 51. a connecting spring; 52. connecting blocks; 6. a moving member; 61. a locking lever; 62. a locking block; 7. a drive member; 71. a drive spring; 72. a drive block; 10. a transfer port; 11. a transfer head; 12. an LED lamp; 13. positioning a groove; 14. connecting grooves; 15. a locking groove; 18. a power switch; 19. a drive switch; 20. a transmission block; 21. a drive slot; 22. a locking spring; 23. a buzzer; 24. a transmission line.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1 and 2, the caliper includes a body 1. The measuring tank 2 is arranged on the machine body 1, the display screen 3 is arranged above the machine body 1, and the transmitting end 4 is arranged on the side wall of the measuring tank 2.

The side wall of the machine body 1 close to the display screen 3 is provided with a positioning groove 13.

The bottom of the positioning groove 13 is provided with a transmission port 10, and the transmission port 10 is a VGA wiring port.

The embodiment of the application discloses wiring structure of calliper. Referring to fig. 2 and 3, the wiring structure of the diameter measuring instrument comprises a transmission block 20 and a connecting piece 5, wherein the transmission block 20 is provided with a transmission head 11, and one side of the transmission block 20, which is far away from the transmission head 11, is provided with a transmission line 24. Transmission mouth 10 adopts the VGA interface, and transmission head 11 adopts VGA's connector lug, and connecting piece 5 is used for locking transmission mouth 10 and transmission head 11, realizes data transmission, and installs LED lamp 12 on the transmission head 11, and LED lamp 12 is used for assisting the illumination in order to make things convenient for staff's grafting transmission head 11 and transmission mouth 10 under the darker environment of light.

The connecting member 5 includes a connecting spring 51 and a connecting block 52. Two side walls of the transmission block 20 are symmetrically provided with connecting grooves 14 for the sliding of the connecting block 52, one end of the connecting spring 51 is fixedly connected with the groove bottom of the connecting groove 14, and the other end is fixedly connected with the connecting block 52. The connecting block 52 is provided with a guide inclined plane on the outer side wall close to the machine body 1, and the guide inclined plane is used for guiding the transmission block 20 by abutting against the opening edge of the positioning groove 13, so that the insertion is convenient. All seted up locking groove 15 on the both sides inner wall of constant head tank 13, when transmission block 20 inserts in constant head tank 13 until locking groove 15 opening is relative with the opening of connecting groove 14, connecting block 52 inserts in the connecting groove 14 under connecting spring 51's elasticity effort, realizes the locking of transmission block 20 and transmission mouth 10.

The locking groove 15 is provided with a moving member 6 therein, and the moving member 6 includes a locking lever 61 and a locking block 62. The locking rod 61 is slidably disposed in the locking groove 15 and extends to the outside of the machine body 1, and one end of the locking rod 61 located in the locking groove 15 is integrally formed with the locking block 62. The locking rod 61 is sleeved with a locking spring 22, and two ends of the locking spring 22 are respectively connected with the groove bottom of the locking groove 15 and the locking block 62.

The side wall of the transmission block 20 is provided with a power switch 18, and the power switch 18 is a rocker switch. The side wall of the transmission block 20 close to the bottom of the positioning groove 13 is provided with a driving groove 21, and a driving part 7 is arranged in the driving groove 21. The driving member 7 includes a driving block 72 and a driving spring 71 slidably disposed in the driving groove 21. The driving spring 71 is disposed in the driving groove 21, one end of the driving spring 71 is fixedly connected to the bottom of the driving groove 21, and the other end is fixedly connected to the driving block 72. The driving slot 21 is installed with a driving switch 19, the driving switch 19 is a push switch and is a normally open switch, and the driving block 72 pushes the driving switch 19 to be closed against the elastic force of the driving spring 71 when the transmission block 20 is inserted into the transmission port 10.

Referring to fig. 4, the LED lamp 12 is connected with a power supply device, and the power supply device is powered by a button battery or a cable and is used for supplying power to the LED lamp 12. The LED lamp 12 has its anode connected to VCC and its cathode connected to the power switch 18. The other end of the power switch 18 is connected with a buzzer 23 and a switching device, the switching device can adopt a PNP triode Q1 or a MOS transistor, in this embodiment, a PNP triode Q1 is adopted, and the buzzer 23 is connected in series between the power switch 18 and the emitter of the PNP triode Q1. The collector of the PNP transistor Q1 is grounded, a first resistor R1 is connected between the base and the ground, and a driving switch 19 and a second resistor R2 are connected in series between the base and the VCC terminal.

The implementation principle of the wiring structure of the diameter measuring instrument in the embodiment of the application is as follows: when the worker attaches the transmission head 11 to the transmission port 10, the power switch 18 is turned on, the LED lamp 12 is turned on, and the buzzer 23 operates. The transfer head 11 is aligned with the transfer port 10, and then the transfer head 11 is inserted into the transfer port 10. In the insertion process of the transmission block 20, the connection blocks 52 on the two side walls are in contact with the groove wall of the positioning groove 13, the connection blocks 52 are subjected to the acting force of the groove wall of the positioning groove 13, the connection blocks 52 slide towards the inside of the connection grooves 14 under the guiding acting force of the guiding inclined surfaces, and the connection springs 51 deform to generate elastic potential energy.

Then the worker continues to move the transmission head 11, the connecting block 52 is acted by the groove wall of the positioning groove 13, so that the connecting block 52 is always positioned in the connecting groove 14 until the connecting block 52 is opposite to the opening of the locking groove 15, and the connecting block 52 enters the locking groove 15 under the action of the connecting spring 51, so that the installation is completed.

Meanwhile, the driving block 72 is subject to the reaction force of the bottom wall of the positioning slot 13 and moves towards the driving slot 21, the driving spring 71 is compressed by the action force of the driving block 72, the driving block 72 pushes the driving switch 19 to trigger against the elastic force of the driving spring 71, and therefore the LED lamp 12 is turned off, and meanwhile the buzzer 23 is turned off.

When the transmission head 11 is abnormally dropped, the driving spring 71 is reset, so that the driving switch 19 is closed again, and the buzzer 23 sounds at the moment, so as to prompt a worker to timely plug the transmission head 11, and ensure the normal transmission of data.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A wiring structure of a diameter measuring instrument comprises a transmission port (10), and is characterized in that: the LED lamp is characterized in that a transmission head (11) is detachably connected to the transmission port (10), a connecting piece (5) is connected between the transmission head (11) and the transmission port (10), a power supply device which is provided with an LED lamp (12) and connected with the LED lamp (12) is arranged on the transmission head (11), a power switch (18) which is used for controlling the LED lamp (12) to be on or off is arranged on the transmission head (11), a driving switch (19) which is used for turning off or off the LED lamp (12) is further arranged on the transmission head (11), and a driving piece (7) which is used for triggering the driving switch (19) is arranged on the transmission head (11).

2. The wiring structure of the caliper according to claim 1, characterized in that: the power switch (18) is connected in series in a power supply loop of the LED lamp (12).

3. The wiring structure of the caliper according to claim 2, characterized in that: the driving switch (19) is connected with a switching device, the input end and the output end of the switching device are connected in series in a power supply loop of the LED lamp (12), and the control end of the switching device is connected with the driving switch (19).

4. A wiring structure of a caliper according to claim 3, characterized in that: the switching device comprises a PNP triode, the connecting point of the driving switch (19) and the grounding end is connected with the base electrode of the PNP triode, the emitting electrode of the PNP triode is connected with the voltage input end through a power switch (18), and the collecting electrode of the PNP triode is grounded.

5. The wiring structure of the caliper according to claim 4, characterized in that: the PNP triode is connected with a first resistor, and two ends of the first resistor are respectively connected with the base electrode and the grounding end of the triode.

6. The wiring structure of the caliper according to claim 4, characterized in that: and a buzzer (23) is connected in series in a power supply loop of the LED lamp (12).

7. The wiring structure of the caliper according to claim 1, characterized in that: offer on transmission head (11) and hold drive groove (21) of drive switch (19), driving piece (7) including set up in driving spring (71) in drive groove (21) and slide and set up in drive block (72) in drive groove (21), the both ends of driving spring (71) are connected respectively in drive groove (21) tank bottom and drive block (72).

8. The wiring structure of the caliper according to claim 1, characterized in that: transmission mouth (10) one side sets up organism (1), spread groove (14) have been seted up on transmission head (11) lateral wall, connecting piece (5) are including being located connecting spring (51) and connecting block (52) in spread groove (14), connecting block (52) and spread groove (14) tank bottom are connected respectively to the both ends of connecting spring (51), lock groove (15) have been seted up on organism (1), connecting block (52) one side slides and connects in spread groove (14) and its opposite side and lock groove (15) cooperation of pegging graft, it slides in order to break away from to be provided with drive connecting block (52) on connecting block (52) moving member (6) of lock groove (15).

9. The wiring structure of the caliper according to claim 8, characterized in that: moving member (6) wear to locate including sliding locking lever (61) and locking block (62) outside in locking groove (15) and extending to organism (1), locking block (62) one side is connected and its opposite side and connecting block (52) butt with locking lever (61), the cover is equipped with locking spring (22) on locking lever (61), the one end and the locking groove (15) tank bottom of locking spring (22) link to each other, and its other end links to each other with locking block (62).

10. The wiring structure of the caliper according to claim 8, characterized in that: the outer side wall of the connecting block (52) close to the transmission head (11) is provided with a guide inclined plane.

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