JPH0532814U - Sealing structure for the connector case opening of the meter case - Google Patents

Abstract

(57) [Summary] [Purpose] The connector case opening of the meter case was sealed after connecting the connector, and when the connector was disconnected, the sealed part was destroyed and the disconnection operation was confirmed. An object of the present invention is to provide a sealing structure for a connector connection opening of a meter case. [Structure] Connector case opening 1 of meter case 10
A sealing cover 1 for sealing 1 is made of plastic, and a hook-shaped projection 5 having a tip 5a on the outer side is provided on the sealing direction surface of the cover 1 with a space slightly wider than the width of the opening 11. When the sealing cover 1 is pushed into the opening 11 at the time of sealing, the hook-shaped projection 5 bends toward the center of the cover, and after the sealing is completed, the hook-shaped projection 5 returns to its original position and the tip 5a thereof is the opening. The end 11a of 11 is locked inside and sealed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a sealing structure for a connector connection opening of a meter case.

[0002]

[Prior Art]

 An opening for supplying signals to meters stored in the case is usually provided on the back surface of the meter case, and a connector fixed to a printed board or the like is provided inside the case of the opening. Is arranged, and the connector to which the cord or the flexible printed board is connected is connected to the connector from the outside of the case through the opening.

[0003]

[Problems to be solved by the device]

 In general, these connectors are connected on the back of the meter case, and the fact that they are disconnected once connected is not considered, so disconnection is not made impossible. However, if the meters in the case are distance meters of the vehicle, etc., if the connection of the connector is disconnected, not only will the mileage become inaccurate, but, for example, the rental vehicle of the type that sets the fare according to the mileage. In such cases, there is a possibility that fraudulent acts will be performed by the detaching operation.

Therefore, according to the present invention, if the connector connection opening of the meter case is sealed after the connector is connected and the connector is disconnected, the sealed portion is destroyed, and the disconnection can be confirmed. An object of the present invention is to provide a sealing structure for the connector connection opening of the meter case.

[0005]

[Means for Solving the Problems]

 The sealing structure for the connector connection opening of the meter case according to the present invention is such that the sealing cover for sealing the connector connection opening of the meter case is made of plastic, and the opening is formed on the sealing direction surface of the cover. A hook-shaped protrusion with the tip end facing outside is provided at a distance slightly wider than the width, and when the sealing cover is pushed into the opening during sealing, the hook-shaped protrusion bends toward the center of the cover and sealing is completed. It is characterized in that the hook-shaped projection is returned to the original state later, and the tip end of the hook-shaped projection is locked inside the end of the opening for sealing.

In addition, in the sealing structure for the connector connection opening of the meter case according to the present invention, an elastic arm is provided at the position of the sealing cover facing the outside of the end of the connector connection opening of the meter case. It is also characterized in that it is extended in the lateral direction and abuts against the end of the opening at the time of sealing so as to urge the sealing cover in a direction away from the meter case.

[0007]

[Action]

 When the sealing cover is pushed into the connector connection opening of the meter case based on the above configuration, the hook-shaped projection provided on the sealing cover comes into contact with the end face of the opening and bends toward the center of the cover, pushing it in further. When the tip of the hook-shaped projection passes through the end face of the opening, the hook-shaped projection returns to its original state, and the tip is locked inside the end of the opening. As a result, the sealing cover is brought into close contact with the opening and the sealing is completed. At this time, the arm provided on the sealing cover is in contact with the end of the opening to urge the sealing cover away from the meter case. Does not occur.

[0008]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings.

The sealing cover 1 used for the sealing structure of the connector connection opening of the meter case according to the embodiment of the present invention is made of a plastic material and has a rectangular sealing portion 2 as shown in FIG. The upper and lower end face portions of the sealing portion 2 have laterally extending arms 3, respectively, and a part of the sealing portion 2 near the left and right side ends reaches a rear surface. A shaped hole 4 is provided.

FIG. 2 shows an end surface of the sealing cover 1 shown in FIG. 1 taken along the line AA, and one end portion 5a is provided on each of the left and right sides on the back surface which is the sealing direction surface of the cover 1. A hook-shaped projection 5 is provided on the outside. The distance between the tip portions 5a of the projections 5 is set to be slightly wider than the width of the opening of the meter case sealed by the sealing cover 1. A front end portion 5a of the projection 5 has a substantially triangular cross section and has a shape that spreads in the front direction of the cover 1, that is, a shape in which the apex faces in the pushing direction for sealing. In the figure, 6 is a reinforcing portion of the hook-shaped projection 5, and 7 is a stepped portion which is provided so that an operator can easily grasp it.

FIG. 3 shows the back surface of the sealing cover 1. The projection 8 provided so as to sandwich the hook-shaped projection 5 is opened when the sealing cover 1 is attached to the connector connection opening of the meter case and the opening is sealed. This is for restricting the vertical movement of the cover 1 by coming into contact with a stopper provided on the section. Further, the above-mentioned arm 3 is provided with a convex upper portion 3a at its tip portion, and the side surface thereof is shown in FIG.

On the other hand, as shown in FIG. 4, the meter case 10 has an opening 11 for a connector connecting opening, and a connector 13 fixed to a printed circuit board 12 is provided inside the case 10 of the opening 11. Are arranged. Further, in FIG. 4, a connector 14 is connected to the connector 13 from the outside of the case 10 through the opening 11 and a flexible printed circuit board 15 (not shown) (see FIG. 8). Then, as shown in the figure, when the sealing cover 1 is pushed into the opening 11, the tip portion 5a of the hook-shaped projection 5 of the sealing cover 1 bends inward, and when pushed as it is, it is shown in FIG. Thus, when the tip 5a passes through the end surface 11a of the opening 11, the tip 5a returns to its original state and is locked inside the end 11a of the opening 11.

To explain this state in detail, as shown in FIG. 6, first, while the tip portion 5a of the hook-shaped projection 5 slides on the end surface 11a of the opening 11, the tip portion 5a becomes like the symbol a. When the sealing cover 1 is further pushed in, the tip 5a passes through the end face 11a of the opening 11 and is shown by the dotted line of the symbol b. Then, when the pushing is completed, the tip portion 5a is finally locked inside the end portion 11a of the opening portion 11 as indicated by the symbol c 1. This is a direction in which the arm 3 provided on the sealing cover 1 abuts the end 11a of the opening 11 to separate the sealing cover 1 from the meter case 10, as shown in FIG. This is because the sealing cover 1 does not rattle. Further, once the sealing is performed in this manner, if the sealing cover 1 is forcibly removed, the tip portion 5a will be destroyed, and it will be impossible to extract it from the outside without destroying it. 8 is an end view taken along the line BB in FIG. 5, reference numeral 15 is a flexible printed circuit board, and the other parts are denoted by the reference numerals and the description thereof is omitted.

[0014]

[Effect of the device]

 As described above, according to the present invention, the connector cover opening of the meter case is sealed with the sealing cover after the connector is connected, and the sealing cover is destroyed in order to disconnect the connector. Therefore, the operation of disconnecting the connector can be confirmed, and such operation can be prevented. Further, since the sealing cover is provided with the arm for urging the sealing cover in the direction of separating from the meter case, there is no rattling at the time of sealing.

[Brief description of drawings]

FIG. 1 is a front view of a sealing cover used in an embodiment of the present invention.

FIG. 2 is an end view of the sealing cover shown in FIG. 1 taken along the line AA.

FIG. 3 is a rear view of the sealing cover.

FIG. 4 is a view showing a state in which the connector connection opening of the meter case is being sealed with a sealing cover.

FIG. 5 is a view showing a state where sealing is completed.

FIG. 6 is a diagram showing in detail the engagement state between the hook-shaped projection of the sealing cover and the end of the opening of the meter case.

FIG. 7 is a diagram showing a state in which the arm of the sealing cover is in contact with the end of the opening.

FIG. 8 is an end view taken along line BB in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sealing cover 3 Arm 5 Hook-like protrusion 5a Tip part 10 Meter case 11 Opening part 11a Opening end part

Claims (2)

[Scope of utility model registration request] 1. A sealing cover for sealing a connector connection opening of a meter case is made of plastic, and a tip portion is provided on a sealing direction surface of the sealing cover with a space slightly wider than the width of the opening. When a hook-shaped protrusion that is the outside is provided and the sealing cover is pushed into the opening when sealing, the hook-shaped protrusion bends toward the center of the cover, and after the sealing is completed, the hook-shaped protrusion returns to its original end. A sealing structure for the connector connection opening of the meter case, wherein the portion is locked inside the end of the opening for sealing. 2. An arm having elasticity is extended laterally at a position of the sealing cover facing the outside of the end of the connector connection opening of the meter case, and the end of the opening is sealed at the time of sealing. The sealing structure for the connector connection opening of the meter case according to claim 1, wherein the sealing cover is urged in a direction in which the sealing cover is separated from the meter case.