CN111272124A - Seal clearance measuring device and seal clearance measuring system - Google Patents
Seal clearance measuring device and seal clearance measuring system Download PDFInfo
- Publication number
- CN111272124A CN111272124A CN202010207254.6A CN202010207254A CN111272124A CN 111272124 A CN111272124 A CN 111272124A CN 202010207254 A CN202010207254 A CN 202010207254A CN 111272124 A CN111272124 A CN 111272124A
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- Prior art keywords
- base
- measuring device
- pressure sensor
- sealing
- gap measuring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Seal Device For Vehicle (AREA)
Abstract
The invention provides a sealing gap measuring device and a sealing gap measuring system, wherein the sealing gap measuring device comprises a base (1) and pressure sensors (2) arranged on the base (1), pressure sensing parts of the pressure sensors (2) are arranged at intervals with the base (1), and a plurality of sealing gap measuring devices can be spliced end to end so as to simultaneously measure sealing gaps at sealing positions with different lengths. The sealing gap measuring device is simple in structure, the gap measurement is realized by converting the pressure value into the distance, the operation is simple and convenient, the sealing gap of the vehicle door can be rapidly measured, the basic measuring structure exists in a unit form, local point positions can be measured, a plurality of units can be spliced to measure a section of area or even a whole circle of door opening, and meanwhile, the length is adjustable, so that the sealing gap measuring device can be used for multiple times and is suitable for different vehicle types.
Description
Technical Field
The present invention relates to a measuring device, and particularly to a seal gap measuring device. In addition, the invention also relates to a sealing clearance measuring system.
Background
The automobile door opening sealing strip is installed on the door opening seam allowance, and plays a role in decoration, sealing, sound insulation and noise reduction. The distance between the door and the body at which the weatherstrip is installed is known in engineering as the seal gap. The sealing clearance is small, the sealing counter force is large, and the door is relatively difficult to close; the sealing clearance is large, so that water and dust outside the vehicle can easily enter the vehicle, and meanwhile, environmental noise and running noise outside the vehicle can be more easily transmitted into the vehicle. In addition, in the past, after a 4S shop or a repair shop maintains the metal plate, the influence on the sealing gap after the metal plate is deformed is basically not considered, and the problems that once the out-of-tolerance is increased, the original vehicle state cannot be recovered, rain and wind can be leaked and the driving experience of a user is greatly reduced often exist. It is therefore necessary to measure the gap at the door stop face to confirm that the seal is properly installed.
The prior art method for measuring the sealing clearance of the vehicle door comprises the following two methods: firstly, the traditional plasticine is used for assisting measurement, so that the efficiency is low, the operation is complex and the precision is insufficient; and secondly, an import measuring tool is used, the core technology of the import measuring tool is a slide rheostat, the instrument can be used for accurately measuring the sealing clearance value between the vehicle door and the vehicle body, but the instrument can only measure the sealing clearance value by one point and one point, is low in efficiency, can only be used for spot inspection or spot inspection of a problem vehicle, and is expensive, short in service life, easy to damage and low in precision.
Along with the higher and higher driving demand of users for vehicles, a set of system which can be used for detecting the sealing gap of the vehicle door on line is urgently needed to be developed so as to ensure that the sealing gap of the vehicle is qualified, the product quality is improved, and the market competitiveness of enterprises is improved.
Disclosure of Invention
The invention provides a sealing gap measuring device, which has a simple structure, can be spliced at will and can quickly measure the sealing gaps at sealing positions with different lengths.
The invention also provides a system for measuring the sealing gap, which has a simple structure, can be spliced at will and can quickly measure the sealing gaps at sealing positions with different lengths.
In order to achieve the above object, an aspect of the present invention provides a seal gap measuring apparatus, which includes a base and a pressure sensor disposed on the base, wherein a pressure sensing portion of the pressure sensor is spaced apart from the base, and a plurality of seal gap measuring apparatuses can be spliced end to simultaneously measure seal gaps at seals with different lengths.
Preferably, an elastic gasket is arranged on the pressure sensing part of the pressure sensor.
Further, the seal gap measuring device further comprises a support member provided on the base, and the pressure sensor is provided on the support member such that a pressure sensing portion of the pressure sensor is on a side of the pressure sensor facing away from the base.
Preferably, the support is located at the bottom of the pressure sensor; or
The supporting pieces are positioned on two sides of the pressure sensor; or
The support member covers the pressure sensor except for the pressure sensing portion.
Preferably, the base is L-shaped.
Preferably, a vehicle body fixing connecting piece is arranged on the base.
Specifically, the vehicle body fixing connector of the base is a magnetic patch arranged at the bottom of the base; or
The vehicle body fixing and connecting piece of the base is a sucker arranged at the bottom of the base.
Preferably, the bottom surface of the magnetic patch is provided with an elastic gasket.
The invention further provides a seal clearance measuring system which comprises a seal clearance measuring device, a central processing unit and a display terminal, wherein the seal clearance measuring device is the seal clearance measuring device.
Through the technical scheme, the invention has the following beneficial effects:
1. the sealing gap measuring device is simple in structure, the gap measurement is realized by converting the pressure value into the distance, the operation is simple and convenient, the sealing gap of the vehicle door can be rapidly measured, the basic measuring structure exists in a unit form, local point positions can be measured, a plurality of units can be spliced to measure a section of area or even a whole circle of door opening, and meanwhile, the length is adjustable, so that the sealing gap measuring device can be used for multiple times and is suitable for different vehicle types.
2. The system can directly transmit the measured data result to the display device and even the mobile phone software, and has accurate measurement, good adaptability and strong visibility. Besides being applied to enterprises, the utility model is also convenient for the owners of the individual vehicles with strong operation ability.
3. In the preferred scheme of the invention, the base is provided with a magnetic paste structure and can be directly pasted at the seam allowance position of the door opening, and on the premise of ensuring the beat, the on-line detection of all vehicles can be realized in a host factory.
Drawings
FIG. 1 is a schematic structural view of one embodiment of a seal clearance measuring apparatus of the present invention;
FIG. 2 is a front view of one embodiment of a seal gap measuring apparatus of the present invention;
FIG. 3 is a front view of a second embodiment of a seal gap measuring apparatus of the present invention;
FIG. 4 is a front view of a third embodiment of a seal gap measuring apparatus of the present invention;
FIG. 5 is a schematic view of the seal clearance measuring apparatus of the present invention installed;
fig. 6 is a sectional view taken along line a-a of fig. 5.
Description of the reference numerals
1 base 2 pressure sensor
3 support 4 magnetic patch
5 vehicle door
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
It should be noted that, in the following description, some directional words are used for clearly illustrating the technical solution of the present invention, for example, referring to the orientation in fig. 2 to 4, and "bottom" indicates the side of the component facing downward in fig. 2 to 4.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 6, the seal gap measuring apparatus of the present invention includes a base 1 and a pressure sensor 2 disposed on the base 1, wherein a pressure sensing portion of the pressure sensor 2 is spaced apart from the base 1. During the use, base 1 and door opening contact, pressure sensor 2's pressure sensing portion sets up towards the door, and the door is closed, exerts pressure to pressure sensor 2's pressure sensing portion, and pressure sensor 2 gathers the pressure that door 5 applyed to pressure sensing portion to with data transfer to the calculation of treater, thereby obtain the clearance value of door 5 and door opening. The invention has simple structure, simple principle and simple and convenient operation. The pressure sensor 2 may be a pressure sensor in the prior art, such as a piezoresistive pressure sensor, a piezoelectric pressure sensor, or the like. A plurality of the seal gap measuring devices can be spliced end to end so as to measure the seal gaps at the seals with different lengths simultaneously. The sealing gap measuring device can be placed at any position of a door opening of a vehicle body, and local position point measurement is carried out on any position on the door opening. Meanwhile, as shown in fig. 5, a plurality of measuring devices can be spliced end to form a measuring assembly, the length of the measuring assembly can be randomly spliced according to the use requirement, the sealing gaps in a certain range and even all positions of the whole door opening can be simultaneously measured, and the working efficiency is greatly improved. Simultaneously because of length adjustable, can repetitious usage and be applicable to different motorcycle types.
In order to prevent the hard pressure sensing part of the pressure sensor 2 from damaging the weather strip or the vehicle door due to too short distance, an elastic gasket is arranged on the pressure sensing part of the pressure sensor 2. The elastic gasket can be made of rubber. However, in order to prevent the elasticity of the elastic pad from affecting the acquisition of the pressure data of the pressure sensor 2, the thickness of the elastic pad needs to be small, for example, the thickness of the elastic pad can be within 1 mm.
In order to conveniently mount and fix the pressure sensor 2 on the base 1, a support 3 of the pressure sensor 2 may be provided on the base 1, and the pressure sensor 2 may be disposed on the support 3 such that a pressure sensing portion of the pressure sensor 2 is located on a side of the pressure sensor 2 facing away from the base 1, so as to accurately collect pressure applied by the vehicle door to the pressure sensor 2.
The following are some embodiments of the support 3.
As shown in fig. 2, the support 3 can be located at the bottom of the pressure sensor 2, which embodiment has the advantage of a simple structure of the support 3;
referring to fig. 3, the supporting members 3 are located at two sides of the pressure sensor 2, in this embodiment, the supporting members 3 may be a semi-annular whole, and a groove for accommodating the pressure sensor 2 is formed on the semi-annular whole; the support 3 can also be formed by two support petals. The advantage of this embodiment is that both sides of the pressure sensor 2 are accommodated in the support 3, which to a certain extent plays a role in dust and other contamination prevention;
referring to fig. 4, the supporting member 3 covers the pressure sensor 2 except for the pressure sensing portion, in this embodiment, the pressure sensor 2 except for the pressure sensing portion is covered in the supporting member 3, compared with the above two embodiments, the supporting force of the supporting member 3 of this embodiment is large enough, and because of the substantially complete covering, the effect of dust and other pollution prevention is better, and the supporting member can play a role of water prevention, and is suitable for various environments.
For the convenience of mounting the base, the base 1 is formed in an L shape. Referring to fig. 1-4 and 6, the L-shaped base 1 is bent and formed towards the bottom surface of the base, so that the forming function is to determine the placing direction of the base 1 during the use process of the seal gap measuring device, that is, all bent ends face the outside of the vehicle, and to determine the placing position of the base 1 during the use process of the seal gap measuring device, the bent ends play a role in positioning the base 1, so that the base 1 cannot face inwards or outwards when placed in a door opening, and thus the pressure of the vehicle door 5 on the pressure sensor 2 is accurately acquired, and when a plurality of seal gap measuring devices are used together in one door opening, the distances from the outer surface of the vehicle door 5 to all the bases 1 and the pressure sensors 2 on the bases on the door opening are basically the same, so that the plurality of seal gap measuring devices form a whole, and the measured pressure values of all the positions are ensured to be accurate.
In order to improve the convenience of the sealing clearance measuring device, a vehicle body fixing connecting piece of the base 1 is arranged on the base 1.
The following are some examples of the body-fixing attachment of the base 1.
Referring to fig. 2-4 and 6, the car body fixing connector of the base 1 is a magnetic patch 4 arranged at the bottom of the base 1, and when the car body fixing connector is used, the sealing gap device can be fixed only by sticking the magnetic patch 4 to a door opening. In order to prevent the magnet patches 4 from scraping car paint, the bottom surfaces of the magnet patches 4 are provided with elastic gaskets, and the thickness of the elastic gaskets is required to be as small as possible so as to avoid influencing the measurement result of the sealing gap.
In addition, the vehicle body fixing and connecting piece of the base 1 can also be a sucker arranged at the bottom of the base 1. The suction cup is a common vacuum suction cup, and the thickness of the plate body is as small as possible in order to minimize the influence of the suction cup on the measurement result. Compare in magnet paster mode, sucking disc mode fixed connection is more firm, can not shift because of the atress in the measurement process, but its shortcoming is that installation, dismantlement all waste time and energy, uses magnet paster mode measurement of efficiency higher, more is fit for the production line.
The invention provides a sealing clearance measuring system in a second aspect, which comprises the sealing clearance measuring device, a central processing unit and a display terminal. There may be one or more seal clearance measuring devices. The working principle of the system is as follows: the pressure sensor 2 collects the pressure of the car door, the pressure sensor 2 is subjected to signal processing, then the pressure is calculated by a central processing unit, the pressure value is converted into a distance value, and finally the distance distribution is displayed on a display terminal or even in mobile phone software, so that whether the sealing gap meets the design requirement or not can be detected. The system has accurate measurement, good adaptability and strong visibility, is applied to enterprises, and is convenient for the use of personal car owners with strong operation ability. When a plurality of seal clearance measuring device used jointly, each measuring result shows together at display terminal, has promoted measurement of efficiency greatly.
The sealing gap measuring device has the advantages that the structure is simple, the gap measurement is realized by converting the pressure value into the distance, the operation is simple and convenient, and the sealing gap of the vehicle door can be rapidly measured; the basic measurement structure exists in a unit form, can measure local point positions, can measure a section of area and even a whole circle of door opening by splicing a plurality of units, can be used for multiple times due to adjustable length, and is suitable for different vehicle types; the system can directly transmit the measured data result to the display device and even the mobile phone software, and has accurate measurement, good adaptability and strong visibility. Besides being applied to enterprises, the utility model is convenient for the owners of the individual vehicles with strong operation ability; in a preferred embodiment of the present invention, the base has a magnetic paste structure, and can be directly pasted on the door opening seam allowance position. On the premise of ensuring the beat, the on-line detection of all vehicles can be realized in the host factory.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (9)
1. The utility model provides a sealing clearance measuring device, its characterized in that includes base (1) and establishes pressure sensor (2) on base (1), pressure sensor's (2) sense splenium with base (1) interval sets up, and is a plurality of sealing clearance measuring device can splice end to carry out simultaneous measurement to the sealing clearance of the sealed department of different length.
2. The seal gap measuring device according to claim 1, wherein an elastic gasket is provided on the pressure sensing portion of the pressure sensor (2).
3. The seal gap measuring device according to claim 1, further comprising a support (3) provided on the base (1), the pressure sensor (2) being provided on the support (3) such that a pressure sensing portion of the pressure sensor (2) is on a side of the pressure sensor (2) facing away from the base (1).
4. A seal gap measuring device according to claim 3, characterized in that the support (3) is located at the bottom of the pressure sensor (2); or
The support (3) is positioned at two sides of the pressure sensor (2); or
The support (3) covers the pressure sensor (2) except for the pressure sensing part.
5. Seal gap measuring device according to claim 1, characterized in that the base (1) is L-shaped.
6. Seal gap measuring device according to one of claims 1 to 5, characterized in that a body fastening connection is provided on the base (1).
7. The seal gap measuring device according to claim 6, wherein the vehicle body fixing connector of the base (1) is a magnetic patch (4) provided at the bottom of the base (1); or
The vehicle body fixing and connecting piece of the base (1) is a sucker arranged at the bottom of the base (1).
8. Seal gap measuring device according to claim 7, characterized in that the bottom surface of the magnetic patch (4) is provided with an elastic gasket.
9. A seal clearance measuring system comprising a seal clearance measuring device, a cpu, and a display terminal, wherein the seal clearance measuring device is the seal clearance measuring device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010207254.6A CN111272124B (en) | 2020-03-23 | 2020-03-23 | Seal clearance measuring device and seal clearance measuring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010207254.6A CN111272124B (en) | 2020-03-23 | 2020-03-23 | Seal clearance measuring device and seal clearance measuring system |
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| CN111272124A true CN111272124A (en) | 2020-06-12 |
| CN111272124B CN111272124B (en) | 2022-07-15 |
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