JP2015099138A - Door gap measurement jig and door gap measurement method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door gap measurement jig configured to properly measure the amount of gap between an edge of a body opening and a door, in order to evaluate sealing performance of a weather-strip, and a door gap measurement method.SOLUTION: A door gap measurement jig 1 includes a body 2, a cylinder hole 21, a piston 3, and an air pump 4 as a fluid pressure generating means. In the door gap measurement jig 1, the body 2 is fixed to an edge 511 of a body opening 51. When a door 7 is closed to the body opening 51 and resilience of a weather-strip 6 and self-weight of the door 7 are balanced with each other, a tip 32 of the piston 3 is brought into contact with an edge of the door 7 by pressure of air G generated from the air pump 4. The pressure generated by the air pump 4 is released to the atmosphere in the contact state.

Description

  The present invention relates to a door gap measuring jig and a door gap measuring method for measuring a gap amount between an edge of a body opening and a door.

  In automobiles, weather strips are provided at the edges of body openings where luggage doors, hood doors, side doors and the like are provided to ensure sealing properties such as prevention of water entry. In order to evaluate the performance of the weatherstrip sealing performance, the amount of clearance between the edge of the body opening of the vehicle body and the inner panel of the door is measured in the vehicle body in which the door is assembled. .

  As an example of a jig for measuring the gap amount, there is an opening gap amount measuring gauge disclosed in Patent Document 1. The opening gap amount measurement gauge is configured by disposing a measurement unit so as to be movable in a hollow guide part in a housing. And when measuring the amount of clearances, a measurement gauge is attached to the peripheral flange of the door opening of a vehicle body via a magnet. Next, when the door is closed in this state, the peripheral edge of the door comes into contact with the tip of the measurement unit and pushes the measurement unit into the housing. At this time, the amount of the gap between the peripheral flange of the door opening and the peripheral edge of the door is measured in accordance with the amount of the measurement unit entering the housing. In addition to Patent Document 1, there is an inter-surface distance measurement jig disclosed in Patent Document 2 as a jig for measuring the gap amount.

JP 2003-42706 A Japanese Patent Laid-Open No. 2001-311602

  However, when a weather strip is provided at the edge of the body opening (door opening) when measuring the gap amount, the measurement gauge or the measuring jig disclosed in Patent Documents 1 and 2 above In some cases, the gap amount cannot be measured accurately. That is, in this case, when the door is closed with respect to the body opening, the gap amount is reduced by the amount of the weather strip once crushed, and then the gap amount is increased by the amount of the elastic deformation of the weather strip being restored. Will do. Therefore, when a weather strip is provided at the edge of the body opening, the amount of clearance between the edge of the body opening and the door cannot be measured accurately.

  The present invention has been made in view of such a background, and is a door clearance measurement treatment that can accurately measure the amount of clearance between the edge of the body opening and the door for evaluating the sealing performance of the weather strip. It was obtained in an attempt to provide a tool and door gap measuring method.

One aspect of the present invention is a door gap measuring jig provided with a weather strip, for measuring a gap amount between an edge of a body opening in a vehicle body and a door covering the body opening,
A main body attached to the edge of the body opening or the edge of the door;
A cylinder hole formed in the main body,
The cylinder hole is disposed in the cylinder hole so as to be able to protrude from the main body under the pressure of the fluid, and when the fluid pressure is released, the position in the cylinder hole is caused by friction with the inner peripheral surface of the cylinder hole. A piston portion that is held,
Fluid pressure generating means capable of generating and releasing the pressure of the fluid,
Fluid generated from the fluid pressure generating means in a state where the main body is attached to one of the edge of the body opening and the edge of the door, and the door is closed to the body opening. The tip of the piston portion is brought into contact with the other of the edge of the body opening and the edge of the door by the pressure of the pressure, and the pressure by the fluid pressure generating means is released in this contact state. It is in the door clearance measuring jig characterized by being made.

Another aspect of the present invention is a method of measuring a gap amount between an edge of a body opening in a vehicle body provided with a weatherstrip and a door covering the body opening,
A main body attached to the edge of the body opening or the edge of the door, a cylinder hole formed in the main body, and disposed in the cylinder hole, and can protrude from the main body under the pressure of fluid. And a piston part whose position in the cylinder hole is maintained by friction with the inner peripheral surface of the cylinder hole when the pressure of the fluid is released, and a fluid capable of generating and releasing the pressure of the fluid Using a door gap measuring jig provided with pressure generating means,
The main body is attached to one of an edge of the body opening and an edge of the door, and then the door is closed to the body opening, and the elastic force of the weather strip and the weight of the door are In a balanced state, the tip of the piston is brought into contact with the other of the edge of the body opening and the edge of the door by the pressure of the fluid generated from the fluid pressure generating means. The pressure of the fluid pressure generating means is released, and the distance between the tip of the piston part and the reference surface of the main body part, or the edge of the piston part and the edge of the body opening and the edge of the door The door gap measurement method is characterized in that the gap amount is measured based on a distance from one of the two.

  The door gap measuring jig is used to measure the gap amount between the edge of the body opening and the door when performing performance evaluation of the sealing performance of the weather strip provided at the edge of the body opening. . In the automobile as a product, the weather strip is provided all around the edge of the body opening. On the other hand, when the amount of the gap is measured by the door gap measurement jig, the portion of the weather strip at the portion where the door gap measurement jig is attached is cut off. When measuring the gap amount, the weather strip is provided only at a portion of the body opening where the door gap measuring jig is not attached.

The door gap measuring jig has a piston part that can project from the main body part under the pressure of the fluid, and a fluid pressure generating means that can generate and release the fluid pressure. With the configuration of the piston portion and the fluid pressure generating means, the following excellent effects can be obtained.
In measuring the gap amount, an operator or the like attaches the body part of the door gap measuring jig to either the edge of the body opening or the edge of the door in the vehicle body. Close the door. At this time, the weather strip is crushed by the door, and the gap between the edge of the body opening and the door is temporarily reduced. When the operator or the like releases his / her hand from the door, the door is pushed back by the elastic force of the weather strip, and the elastic force of the weather strip and the weight of the door are balanced. At this time, the gap between the edge of the body opening and the door becomes the final size.

  In this state, the piston portion is protruded from the main body portion by the pressure of the fluid generated from the fluid pressure generating means, and the tip of the piston portion comes into contact with the other of the edge portion of the body opening and the edge portion of the door. In this contact state, the pressure by the fluid pressure generating means is released. At this time, friction acts between the piston portion and the inner peripheral surface of the cylinder hole, and the position of the piston portion in the cylinder hole is maintained. Then, an operator etc. open a door from a body opening part, measure the length from the bottom face of the main-body part of a door clearance measurement jig | tool to the front-end | tip of a piston part, and measure the said clearance gap amount.

As described above, the door gap measuring jig can measure the gap amount between the edge of the body opening and the door after the balance between the elastic force of the weather strip and the weight of the door. Therefore, the measurement of the gap amount can be prevented from being deteriorated due to the influence of the elastic force of the weather strip.
Therefore, according to the door gap measuring jig, it is possible to accurately measure the gap amount between the edge of the body opening and the door for evaluating the sealing property of the weather strip.

  In addition, according to the door gap measurement method, the gap amount between the edge of the body opening and the door can be accurately measured in the same manner as the door gap measurement jig. Can be measured.

The front view which shows the door clearance gap measuring jig concerning an Example. It is a figure which shows the door clearance gap measuring jig concerning an Example, and is AA arrow sectional drawing of FIG. It is a figure which shows the door clearance gap measuring jig concerning an Example, and is the BB arrow sectional drawing of FIG. Cross-sectional explanatory drawing which shows the state which applied the Example, (a) The state which attached the door clearance measurement tool to the edge of the body opening part, (b) The weather strip was elastically deformed by closing a door with respect to a body opening part . According to the embodiment, (a) the door is pushed back by the elastic force of the weather strip, and the elastic force of the weather strip and the weight of the door are balanced, (b) the piston portion protrudes from the main body portion and Cross-sectional explanatory drawing which shows the state contact | abutted to the inner panel. Cross-sectional explanatory drawing which shows the state which measures the length from the bottom face of the main-body part of the door clearance measurement jig | tool to the front-end | tip of a piston part concerning an Example.

A preferred embodiment of the door gap measurement jig and the door gap measurement method described above will be described.
In the door gap measuring jig, the main body part and the piston part are resin molded products, and the main body part is connected to the flow path connected to the cylinder hole and the end of the flow path to connect the pipe. The main body is attached to the edge of the body opening or the edge of the door by the magnet embedded in the recess. It may be configured as follows.
In this case, it is easy to form the door gap measuring jig compactly with a resin molded product. Further, the door gap measuring jig can be easily fixed to the edge of the body opening by a magnet.

Hereinafter, embodiments according to a door gap measuring jig and a door gap measuring method will be described with reference to the drawings.
As shown in FIGS. 1 and 2, the door gap measuring jig 1 of this example is provided with a weather strip 6, the edge 511 of the body opening 51 in the vehicle body 5, and the door 7 that covers the body opening 51. Is used to measure the gap amount S. The door gap measuring jig 1 includes a main body 2 attached to the edge 511 of the body opening 51, a cylinder hole 21 formed in the main body 2, the piston 3 disposed in the cylinder hole 21, and a fluid. And an air pump 4 as fluid pressure generating means capable of generating and releasing the pressure of the air G.

The piston portion 3 can protrude from the main body portion 2 under the pressure of the air G, and when the pressure of the air G is released to the atmosphere, the piston portion 3 is in the cylinder hole 21 due to friction with the inner peripheral surface of the cylinder hole 21. The position is configured to be maintained.
As shown in FIG. 5B and FIG. 6, the door gap measuring jig 1 has the main body 2 attached to the edge 511 of the body opening 51, and the door 7 is closed to the weather opening 6 by the body opening 51. In the state where the elastic force of the door and the dead weight of the door 7 are balanced, the tip 32 of the piston portion 3 is brought into contact with the edge of the door 7 by the pressure of the air G generated from the air pump 4. The pressure by the air pump 4 is configured to be released to the atmosphere.

Hereinafter, the door gap measuring jig 1 and the door gap measuring method of this example will be described in detail with reference to FIGS.
The door 7 of this example is a luggage door provided at the rear part of the automobile. A plurality of door gap measuring jigs 1 are attached in the circumferential direction of the body opening 51 provided in the rear part of the vehicle body 5, and the gap amount between the edge 511 of the body opening 51 and each part in the circumferential direction of the luggage door Used to measure S. The door gap measuring jig 1 can also be used to measure a gap amount S between a side door provided on a side portion of the automobile and an edge of a body opening that is closed by the side door. Also in this case, it is possible to measure the gap amount S between each part in the circumferential direction of the edge of the body opening and the side door with the plurality of door gap measuring jigs 1.

4 to 6 show the periphery of the edge 511 of the upper side portion of the body opening 51. FIG.
As shown in FIGS. 4A and 4B, the edge portion 511 of the body opening portion 51 is provided with a flange portion 512 that is bent substantially perpendicularly from the edge portion 511 toward the outside of the passenger compartment. In the automobile as a product, the weather strip 6 is provided on the flange portion 512 on the entire circumference of the body opening 51. Further, in the automobile as a product, the weather strip 6 is formed in an elongated shape, and in the cross section, the weather strip 6 comes into contact with the door 7 and the attachment portion 61 attached to the flange portion 512 so as to be sandwiched from both sides. It has the elastic deformation part 62 connected with the attachment part 61 and formed in the circular shape.

Further, when the gap amount S is measured by the door gap measuring jig 1, the portion of the weather strip 6 in the portion where the door gap measuring jig 1 is attached is cut away. And when measuring this gap | interval amount S, the weather strip 6 is intermittently provided in multiple only in the site | part to which the door clearance measurement jig | tool 1 is not attached in the body opening part 51. FIG.
The door 7 is formed by caulking the outer panel 71 and the inner panel 72 to each other at the ends. As shown in FIG. 5B, when the piston part 3 protrudes from the main body part 2 under the pressure of the air G, the tip 32 of the piston part 3 comes into contact with the inner panel 72.

As shown in FIGS. 1 and 2, the main body 2 and the piston 3 in the door gap measuring jig 1 of this example are made of a resin molded product. The main body 2 has a flow path 22 connected to the cylinder hole 21, a connection portion 23 provided at an end of the flow path 22 for connecting the pipe 231, and a recess 24 in which the magnet 241 is embedded. The cylinder hole 21 is formed from the top surface 201 of the main body 2 toward the inside of the main body 2, and the flow path 22 is connected to the bottom of the cylinder hole 21.
The piston part 3 is inserted into the cylinder hole 21 from the top surface 201 of the main body part 2. A piston sliding portion 31 that slides on the inner peripheral surface of the cylinder hole 21 is provided on the outer periphery of the piston portion 3. The piston part 3 is configured to protrude from the top surface 201 of the main body part 2 on the end face facing the flow path 22, receiving the pressure of the air G from the flow path 22.

  As shown in FIGS. 1 and 3, the connection portion 23 is provided so as to protrude from the front surface 203 of the main body portion 2. The recesses 24 are provided at the portions on both sides of the cylinder hole 21 on the front surface 203 that faces the flange portion 512 and the bottom surface 202 that faces the edge portion 511. The main body portion 2 is attracted to the flange portion 512 and the edge portion 511 by the magnet 241 embedded in the concave portion 24 of the front surface 203 and the magnet 241 embedded in the concave portion 24 of the bottom surface 202.

  As shown in FIG. 4A, an air G pipe 231 is connected to the connecting portion 23 of the main body 2 in the plurality of door gap measuring jigs 1. A pipe 231 connected to the connection portion 23 in each door gap measuring jig 1 is connected to an air pump 4 as an air supply source. The air pump 4 is configured to compress the air G and send it to the pipe 231 by the operator's operation. The air pump 4 has a structure that can release the pressure applied to the piston portion 3 to the atmosphere.

Next, a method of measuring the gap amount S between the edge 511 of the body opening 51 and the door 7 by the door gap measuring jig 1 and the door gap measuring method of this example, and the operation effect of this example will be described.
The door gap measuring jig 1 of this example is used when the performance evaluation of the sealing performance of the weather strip 6 provided at the edge 511 of the body opening 51 is performed. This is performed based on the size of the gap S between the edge portion 511 and the door 7.
When measuring the gap amount S, as shown in FIG. 4A, the operator can open the main body 2 of each door gap measuring jig 1 in a state where the door 7 is opened with respect to the body opening 51. Is attracted to the flange portion 512 and the edge portion 511 of the body opening 51 by the magnet 241. Further, a pipe 231 of air G is connected to the connection part 23 of each main body 2, and the air pump 4 is connected to the pipe 231.

  Next, the operator closes the door 7 with respect to the body opening 51 as shown in FIG. At this time, due to the load applied by the operator, the elastically deforming portion 62 of the weather strip 6 is crushed by the inner panel 72 of the door 7, and the gap amount S between the edge 511 of the body opening 51 and the inner panel 72 of the door 7. Becomes temporarily smaller. When the operator or the like releases his / her hand from the door 7, as shown in FIG. 5A, the door 7 is pushed back by the elastic force of the weather strip 6, and the elastic force of the weather strip 6 and the weight of the door 7 are Will be in a balanced state. At this time, the gap S between the edge 511 of the body opening 51 and the inner panel 72 of the door 7 becomes the final size.

  Next, the operator operates the air pump 4 to send air G from the air pump 4 via the pipe 231 to the flow path 22 in the main body 2 of each door gap measuring jig 1. At this time, as shown in FIG. 5B, the pressure by the air G sent to the flow path 22 acts on the end surface of the piston portion 3, and the piston portion 3 protrudes from the top surface 201 of the main body portion 2. Then, the tip 32 of the piston portion 3 comes into contact with the inner panel 72 of the door 7.

  Next, the operator releases the pressure of the air G applied to the piston portion 3 by the air pump. The operator can release the pressure of the air G applied to the piston part 3 to the atmosphere by removing the air pump 4 from the pipe 231. At this time, the piston portion 3 is stopped by friction on the inner peripheral surface of the cylinder hole 21 because the piston sliding portion 31 is in close contact with the inner peripheral surface of the cylinder hole 21. In this way, it is prevented that the piston part 3 moves with respect to the main-body part 2, and the protrusion amount of the piston part 3 from the top | upper surface 201 of the main-body part 2 is fixed.

  Thereafter, the operator opens the door 7 from the body opening 51 as shown in FIG. At this time, the operator is careful not to push the door 7 and not to reduce the protruding amount of the piston portion 3. Then, the operator measures the length from the bottom surface 202 as the reference surface of the main body portion 2 of the door gap measuring jig 1 to the tip 32 of the piston portion 3, thereby the door 511 from the edge portion 511 of the body opening 51. 7 to the inner panel 72 is measured.

As described above, in the door gap measuring jig 1 and the door gap measuring method of this example, the edge 511 of the body opening 51 and the door 7 after the elastic force of the weather strip 6 and the dead weight of the door 7 are balanced. A gap amount S with the inner panel 72 can be measured. Therefore, it is possible to prevent the measurement of the gap amount S from being affected by the elastic force of the weather strip 6.
Therefore, according to the door gap measuring jig 1 and the door gap measuring method of this example, the edge 511 of the body opening 51 and the inner panel 72 of the door 7 for evaluating the sealing performance of the weather strip 6 Can be accurately measured.

  The main body 2 of the door gap measuring jig 1 can be attached to the inner panel 72 of the door 7. In this case, the piston portion 3 of the door gap measuring jig 1 comes into contact with the edge portion 511 of the body opening 51.

DESCRIPTION OF SYMBOLS 1 Door clearance measurement jig 2 Main part 21 Cylinder hole 22 Flow path 23 Connection part 231 Piping 24 Recess 241 Magnet 3 Piston part 31 Piston sliding part 32 Tip 4 Air pump (fluid pressure generating means)
5 Vehicle Body 51 Body Opening 511 Edge 512 Flange 6 Weather Strip 7 Door G Air S Clearance

Claims (3)

A door gap measuring jig provided with a weather strip, for measuring a gap amount between an edge of a body opening in a vehicle body and a door covering the body opening,
A main body attached to the edge of the body opening or the edge of the door;
A cylinder hole formed in the main body,
The cylinder hole is disposed in the cylinder hole so as to be able to protrude from the main body under the pressure of the fluid, and when the fluid pressure is released, the position in the cylinder hole is caused by friction with the inner peripheral surface of the cylinder hole. A piston portion that is held,
Fluid pressure generating means capable of generating and releasing the pressure of the fluid,
Fluid generated from the fluid pressure generating means in a state where the main body is attached to one of the edge of the body opening and the edge of the door, and the door is closed to the body opening. The tip of the piston portion is brought into contact with the other of the edge of the body opening and the edge of the door by the pressure of the pressure, and the pressure by the fluid pressure generating means is released in this contact state. A door gap measuring jig characterized by being made. The main body part and the piston part are resin molded products,
The main body has a flow path connected to the cylinder hole, a connection provided at an end of the flow path for connecting a pipe, and a recess in which a magnet is embedded,
2. The door clearance measurement tool according to claim 1, wherein the main body is configured to be attached to an edge of the body opening or an edge of the door by a magnet embedded in the recess. Ingredients. A method of measuring a gap amount between an edge of a body opening in a vehicle body provided with a weatherstrip and a door covering the body opening,
A main body attached to the edge of the body opening or the edge of the door, a cylinder hole formed in the main body, and disposed in the cylinder hole, and can protrude from the main body under the pressure of fluid. And a piston part whose position in the cylinder hole is maintained by friction with the inner peripheral surface of the cylinder hole when the pressure of the fluid is released, and a fluid capable of generating and releasing the pressure of the fluid Using a door gap measuring jig provided with pressure generating means,
The main body is attached to one of an edge of the body opening and an edge of the door, and then the door is closed to the body opening, and the elastic force of the weather strip and the weight of the door are In a balanced state, the tip of the piston is brought into contact with the other of the edge of the body opening and the edge of the door by the pressure of the fluid generated from the fluid pressure generating means. The pressure of the fluid pressure generating means is released, and the distance between the tip of the piston part and the reference surface of the main body part, or the edge of the piston part and the edge of the body opening and the edge of the door A door gap measuring method, wherein the gap amount is measured based on a distance to one of the two.

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