CN108662971A - A kind of car door seam allowance face seal clearance detector - Google Patents

Abstract

The invention discloses a kind of car door seam allowance face seal clearance detectors.The car door seam allowance face seal clearance detector includes main body, sliding axle measurement head and capacitor grid transducer, the capacitor grid transducer includes moving grid and fixed grid, it is provided with slide groove in the main body, the sliding axle measurement head includes sliding part and measurement portion, the sliding part is mounted in the slide groove of the main body, the fixed grid is mounted on sliding part, the moving grid is mounted on face opposite with the fixed grid in the slide groove, the main body is fixed on car door seam allowance face, when closing of the door, car door drives the sliding axle measurement head to be slided along the slide groove, change the relative position between the moving grid and fixed grid, car door seam allowance face seal clearance is calculated according to the measured value of the capacitor grid transducer.The present invention provides car door seam allowance face seal clearance detector, can realize the fast and accurate measurement of car door seam allowance face seal clearance, improves measurement efficiency.

Description

A sealing gap detector for a car door seam

technical field

The invention relates to the technical field of industrial manufacturing/measurement, in particular to a tester for the sealing gap of the sealing surface of a car door.

Background technique

For a car, the quality of the door is directly related to the comfort and safety of the vehicle. If the quality of the door is poor, the manufacturing is rough, and the material is thin, it will increase the noise and vibration in the car, making the occupants feel uncomfortable and unsafe. In order to make the passenger compartment of the car a closed space and prevent dust, noise, etc. from entering the car, a sealing strip will be installed on the door of the car. During assembly, there will be problems such as the contact surface between the sealing strip and the edge of the door frame is flat, the surface of the sealing strip has waves, and the sealing strip is not pressed in place. We need to measure the gap of the car door seam first. The existing methods of measuring the door seam include the following two methods: one is to use traditional plasticine to assist in the measurement, which is inefficient, complicated to operate and insufficient in accuracy; It is to use imported measuring tools, and its core technology is a sliding rheostat, which is expensive, has a short service life, is easy to break, and has low precision.

Contents of the invention

The invention provides a vehicle door sealing gap detector, which can realize accurate and rapid measurement of the sealing gap of the vehicle door sealing surface and improve the measurement efficiency.

To achieve the above object, the present invention provides the following scheme:

A vehicle door seam seal gap detector, characterized in that it includes a main body, a sliding shaft measuring head and a capacitance sensor, the capacitance sensor includes a moving grid and a fixed grid, the main body is provided with a slide groove, the The sliding shaft measuring head includes a sliding part and a measuring part, the sliding part is installed in the slideway groove of the main body, the fixed grid is installed on the sliding part, and the moving grid is installed in the slideway groove and On the opposite surface of the fixed grid, the main body is fixed on the door stop. When the door is closed, the door drives the sliding shaft measuring head to slide along the slide groove, changing the relative relationship between the movable grid and the fixed grid. position, and calculate the sealing gap of the door notch surface according to the measurement value of the capacitive sensor.

Optionally, the measuring instrument further includes a rear cover and a spring, the rear cover is connected to the main body, one end of the spring is connected to the rear cover, and the other end of the spring is connected to the The sliding axis measuring head described above is connected.

Optionally, the rear cover is provided with screw holes and a groove, the rear cover is fixed on the main body by screws, and one end of the spring is put into the groove of the rear cover, The other end of the spring is put into the spring hole of the sliding shaft measuring head.

Optionally, the measuring instrument further includes a limiting mechanism, which is used to limit the sliding measuring head from sliding in the slide groove.

Optionally, the limiting mechanism includes a limiting pin, a limiting pin hole and a sliding shaft limiting groove, the limiting pin hole is located on the main body, and the sliding axis limiting groove is located on the sliding shaft measuring On the head, the end of the limit pin is inserted into the limit groove of the sliding shaft of the sliding measuring head through the limit pin hole on the main body.

Optionally, the main body is also provided with a magnet hole for placing a strong magnet to attract the stop surface of the car door.

Optionally, the moving grid is integrated on the moving grid circuit board.

Optionally, the main body is also provided with a circuit board groove for installing a signal processing circuit board, and the signal processing circuit board is used to process the measurement signal of the capacitive sensor to obtain the sealing gap of the car door notch surface .

Optionally, an output line hole is also provided on the rear cover, and the output line hole is used to connect the signal processing circuit board and external terminal equipment for data transmission.

Optionally, the sliding part and the measuring part are perpendicular to each other.

Compared with the prior art, this technology has the following beneficial effects:

The present invention provides a measuring instrument for the sealing gap of the car door seam surface. The measuring instrument is fixed on the car door seam surface. The displacement of the sliding measuring head is converted into an electrical signal, and the signal processing circuit board processes the electrical signal of the capacitive sensor to obtain the sealing gap on the notch surface of the car door.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without paying creative labor.

Fig. 1 is a schematic diagram of the main structure of an embodiment of the present invention;

Fig. 2 is a schematic diagram of the structure of the main body limit pin hole of the embodiment of the present invention;

Fig. 3 is a schematic diagram of the structure of the rear cover of the embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a sliding axis measuring head according to an embodiment of the present invention;

Fig. 5 is a schematic diagram of the structure of the spring hole of the sliding axis measuring head according to the embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The invention provides a vehicle door sealing gap detector, which can realize accurate and rapid measurement of the sealing gap of the vehicle door sealing surface and improve the measurement efficiency.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Figures 1 to 5 are structural schematic diagrams of a vehicle door sealing gap detector according to an embodiment of the present invention. As shown in Figures 1-5, a vehicle door sealing gap detector is characterized in that it includes a main body 1, A sliding axis measuring head 16 and a capacitance sensor, the capacitance sensor includes a moving grid and a fixed grid, the main body 1 is provided with a slide groove 9, the sliding axis measuring head 16 includes a sliding part 15 and a measuring part 14, The sliding part 15 and the measuring part 14 are perpendicular to each other, the sliding part 15 is installed in the slide groove 9 of the main body 1, the fixed grid is installed on the sliding part 15, and the moving grid is installed on the sliding part 15. On the surface opposite to the fixed grid in the slideway groove 9, before the door sealing gap measuring instrument starts to measure, fix the side of the main body 1 with the magnet hole 6 on the door sealing surface, The measuring part 14 of the sliding shaft measuring head 16 is in contact with the car door, and when the car door is closed, the car door drives the sliding shaft measuring head 16 to slide along the slide groove 9, changing the relative position between the moving grid and the fixed grid , calculating the sealing gap of the sealing surface of the door according to the measurement value of the capacitive sensor. The measuring instrument also includes a rear cover 12 and a spring, the rear cover 12 is connected with the main body 1, one end of the spring is connected with the rear cover 12, and the other end of the spring is connected with the main body 1. The sliding axis measuring head 16 is connected. The rear cover 12 is provided with a screw hole 10 and a groove, the rear cover 12 is fixed on the main body 1 by screws, and one end of the spring is put into the groove of the rear cover 12 , the other end of the spring is put into the spring hole 17 of the sliding shaft measuring head 16 . The diameter of the groove of the rear cover plate 12 is the same as the diameter of the spring, and the diameter of the spring hole 17 on the sliding measuring head 16 is the same as the diameter of the spring. The measuring head 16 is ejected against by the spring and is directly in close contact with the gap surface of the car door. The measuring instrument also includes a limiting mechanism for limiting the sliding measuring head 16 to slide in the slideway groove 9, and the limiting mechanism includes a limiting pin, a limiting pin hole 18 and a sliding shaft limiting groove 13. The limiting pin hole 18 is located on the main body 1, the sliding shaft limiting groove 13 is located on the sliding axis measuring head 16, and the end of the limiting pin passes through the limiting position on the main body 1. The pin hole 18 is inserted into the sliding shaft limiting groove 13 of the sliding measuring head 16, and the main body 1 is also provided with a magnet hole 6 for placing a strong magnet to tighten the stop surface of the car door. The moving grid is integrated in the On the moving grid circuit board 3, the main body 2 is also provided with a circuit board groove 8 for installing a signal processing circuit board. Oral sealing gap. The rear cover 12 is also provided with an output wire hole 11, and the output wire hole 11 is used to connect the signal processing circuit board and external terminal equipment for data transmission. The main body 1 is also provided with a wire groove 5 and a wire groove 7, the data wires in the wire groove 7 are used to connect the moving grid circuit board and the signal processing circuit board, and the data wires in the wire groove 5 pass through the output wires on the back cover 12 The hole 11 is used to connect the signal processing circuit board and the external terminal equipment to realize data transmission.

The invention provides a measuring instrument for the sealing gap of the car door notch surface. The measuring instrument is fixed on the notch surface of the car door. The displacement of the sliding measuring head is converted into an electrical signal, and the signal processing circuit board processes the electrical signal of the capacitive sensor to obtain the sealing gap on the notch surface of the car door. The vehicle door sealing gap measuring instrument provided by the invention has the advantages of high measurement efficiency, simple operation and high precision.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

In this paper, specific examples have been used to illustrate the principle and implementation of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea; meanwhile, for those of ordinary skill in the art, according to the present invention Thoughts, there will be changes in specific implementation methods and application ranges. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims (10)

1. a kind of car door seam allowance face seal clearance detector, which is characterized in that sensed including main body, sliding axle measurement head and capacitive grating Device, the capacitor grid transducer include moving grid and fixed grid, and slide groove is provided in the main body, and the sliding axle measurement head includes sliding Dynamic portion and measurement portion, the sliding part are mounted in the slide groove of the main body, and the fixed grid is mounted on sliding part, described dynamic Grid are mounted on face opposite with the fixed grid in the slide groove, and the main body is fixed on car door seam allowance face, closing of the door When, car door drives the sliding axle measurement head to be slided along the slide groove, changes the relative position between the moving grid and fixed grid, Car door seam allowance face seal clearance is calculated according to the measured value of the capacitor grid transducer.

2. a kind of car door seam allowance face according to claim 1 seal clearance detector, which is characterized in that the measuring instrument is also Including back shroud, spring, the back shroud is connected with the main body, and one end of the spring is connected with the back shroud, The other end of the spring is connected with the sliding axle measurement head.

3. a kind of car door seam allowance face according to claim 2 seal clearance detector, which is characterized in that on the back shroud It is provided with screw hole and a groove, the back shroud is screwed in the main body, and one end of the spring is put into In the groove of the back shroud, the other end of the spring is put into the spring eye of the sliding axle measurement head.

4. a kind of car door seam allowance face according to claim 1 seal clearance detector, which is characterized in that the measuring instrument is also Including position-limit mechanism, slided in the slide groove for limiting the sliding measurement head.

5. a kind of car door seam allowance face according to claim 4 seal clearance detector, the position-limit mechanism include spacer pin, Limit pin hole and sliding axle limiting slot, the limit pin hole are located in the main body, and the sliding axle limiting slot is located at the cunning In moving axis measurement head, the end of the spacer pin is inserted into the cunning of the sliding measurement head by the limit pin hole in the main body In moving axis limiting slot.

6. a kind of car door seam allowance face according to claim 1 seal clearance detector, which is characterized in that in the main body also It is provided with magnet opening, for placing strong magnetic to adsorb car door seam allowance face.

7. a kind of car door seam allowance face according to claim 1 seal clearance detector, which is characterized in that the moving grid is integrated On gate circuit plate.

8. a kind of car door seam allowance face according to claim 1 seal clearance detector, which is characterized in that in the main body It is additionally provided with circuit board slot, for installing signal processing circuit board, the signal processing circuit board is used for capacitor grid transducer Measuring signal is handled, and the seal clearance in car door seam allowance face is obtained.

9. a kind of car door seam allowance face according to claim 2 seal clearance detector, which is characterized in that the back shroud On also set up there are one string holes is exported, the output string holes is used for for connection signal processing circuit plate and exterior terminal equipment Carry out data transmission.

10. a kind of car door seam allowance face according to claim 1 seal clearance detector, which is characterized in that the sliding part It is mutually perpendicular to the measurement portion.