JP2006351304A - Connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector having a sufficient protection function against a load from the outside, with a tightening function of a coupling nut hardly damaged at the time of damage of the connector, and having a structure to cope with this by replacing a component easily. <P>SOLUTION: The plug connector 1 covers the whole of the coupling nut 7 and a part of the main body by a detachable cover 3 according to an installation direction M1 in vertical direction on the same straight line as the engagement and separation direction M2 to the receptacle connector 2, and, by fixing and holding so as to rotate integrally with the nut 7, serves to rotating operation, and, by installing a sealing member ("O" rings 5a, 5b, and a gasket 6a) so as to sufficiently seal the cover 3 against the main body part with the nut 7, a screw 4 for fixing the cover 3 to the nut 7, and the opposite side main body of the receptacle connector 2 at the time of engagement connection, a sufficient protection function against an environmental load from the outside is given. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention mainly operates the coupling body with respect to the body portion by rotating and coupling the coupling nut in a state where the body portion is fitted and inserted into the opening of the mating body portion of the mating connector. The present invention relates to a connector having a structure in which a pressing contact is maintained and fitted and connected, and a sealing member for sealing the main body and the counterpart main body is mounted between the main body and the coupling nut.

  Conventionally, as this type of connector, for example, a connector having a structure shown in FIG. 7 (developed and commercialized, but not an invention according to known literature) can be cited. The plug connector 1 is configured such that a coupling nut 7 is rotatably mounted and held on the outer periphery on one end side of the main body portion. In this state, the coupling nut 7 is rotated and fastened so that the mating body is pressed against the body and connected and held.

  In the case of this plug connector 1, a sealing member for sealing the main body and the mating main body is provided at a predetermined position between the main body and the coupling nut 7, and a gasket is provided at a predetermined position on the front side in the insertion direction. 6 is installed so that water, oil, dust, etc. from outside can be prevented from entering, and an “O” ring 5 is installed at a predetermined position on the back side in the insertion direction. Water, oil, dust, etc. can be prevented from entering. The receptacle connector 2 has a flange portion that protrudes outward from the mating body portion. However, when the connector connector 2 is connected to the plug connector 1, the receptacle connector 2 has a flange portion that protrudes from the end portion of the body portion of the plug connector 1. It is positioned and fitted and connected at a location where the part does not contact.

  Incidentally, the plug connector 1 here has a protective function from the external environment by providing a sealing member such as an “O” ring 5 or a gasket 6 between the main body and the coupling nut 7. As a well-known technique related to the same purpose, for example, there is a technique (see Patent Document 1) in which an electrical component unit case is sealed (sealed) with a simple structure.

Japanese Patent Laid-Open No. 10-50392 (summary, FIG. 2)

  In the case of the connector (plug connector) shown in FIG. 7 described above, a sealing member is attached between the main body and the coupling nut to provide a protection function from the external environment. Since there is no protective structure that can sufficiently protect against this, especially when the handling of the user is complicated or an unexpected large environmental load such as impact or high pressure is applied, especially in the vicinity of the coupling nut May damage the connector, such as the sealing function of the sealing member may be damaged or the fastening function of the coupling nut may be impaired. There is a problem in that it has to be replaced, requiring repair man-hours and labor, and is not only inconvenient but also expensive.

  The present invention has been made to solve such problems, and its technical problem is that it has a sufficient protection function against an environmental load from the outside, and the coupling nut is fastened even when the connector is broken. It is an object of the present invention to provide a connector having a structure in which the function is not easily lost and the parts can be easily replaced by replacing them.

  According to the present invention, the coupling nut is rotatably mounted and held on the outer periphery on one end side of the main body, and the main body is fitted to the opening of the counterpart main body in the counterpart connector. The coupling nut has a structure in which the mating main body is pressed and brought into contact with the main body by rotating and fastening the coupling nut, and a predetermined distance between the main body and the coupling nut In a connector in which a first sealing member for sealing the main body part and the mating main body part is mounted at a location, so as to cover the entire coupling nut and at least a part of the main body part A detachable substantially cylindrical cover that is fixedly held with respect to the coupling nut and that rotates together with the coupling nut and is subjected to a rotation operation when fitted and connected to the mating connector. It mounted between the cover and the body portion of the coupling nut vicinity connector and a second sealing member for sealing the said cover and the body portion is obtained.

  Moreover, according to this invention, the connector which has a fixing member for fixing a cover with respect to a coupling nut in the said connector is obtained.

  Furthermore, according to the present invention, in the above connector, a connector having a third sealing member that is mounted between the fixing member and the cover and seals the fixing member and the cover is obtained.

  In addition, according to the present invention, in any one of the connectors described above, the mating connector has a flange that protrudes outward from the mating main body, and the hook on the mating direction side of the mating main body. A fourth sealing member that is attached to a portion along the portion and is abutted and locked to the end portion of the cover at the time of fitting connection to seal the cover and the counterpart body portion. A connector having the above is obtained.

  In the case of the connector according to the present invention, the coupling member is covered by using a known structure in which a sealing member is mounted between the main body and the coupling nut, and covering the entire coupling nut and a part of the main body with a detachable cover. It is fixed and held so that it can rotate integrally with the nut, and it is used for rotation operation. In addition, the cover is sealed at a suitable location (to fix the body with the coupling nut and the cover to the coupling nut. Since the sealing member is attached to the fixing member and the main body portion of the mating connector at the time of mating connection) to provide a sufficient protection function against the environmental load from the outside, the coupling nut and its The vicinity is protected by the cover, making it difficult for the connector itself to be damaged, and for example when the connector is damaged, such as when the surface cover is damaged during use. Sealing function by fastening function and the sealing member of the coupling nut is not impaired as long as the basic structure of the known structure is fine, so the easier the cover and part replacement can be addressed. As a result, in the case of the connector of the present invention, the reliability and durability in use are improved, and the convenience of maintenance is improved because the repair can be easily performed at a low cost when the connector is broken. become.

  The connector according to the best mode of the present invention utilizes a connector having a known structure (described with reference to FIG. 7) in which a sealing member is mounted between the main body and the coupling nut. Cover the whole and a part of the main body with a detachable cover, and fix and hold it so that it can rotate integrally with the coupling nut. Thus, a sealing member is attached to provide a sufficient protection function against environmental load from the outside.

  In other words, a coupling nut is rotatably mounted and held on the outer periphery of one end of the main body, and the coupling nut is rotated while the main body is fitted to the opening of the mating main body of the mating connector. It has a structure in which the other body part is pressed and contacted to the body part by operating and fastening, and the body part and the other body part are provided at predetermined positions between the body part and the coupling nut. In a connector having a known structure in which a first sealing member for sealing is attached, the connector is fixedly held to the coupling nut so as to cover the entire coupling nut and at least a part of the main body. And a detachable substantially cylindrical cover that is rotated integrally with the coupling nut for fitting operation with the mating connector and used for the rotation operation, and the coupling nut It is mounted between the cover and the body portion beside those having a second sealing member for sealing the cover and the main body portion.

  In the case of this connector, there is a fixing member for fixing the cover to the coupling nut, or a third seal that is mounted between the fixing member and the cover and seals the fixing member and the cover. It is preferable to have a member. Also, in any structure, when the mating connector has a flange that protrudes outward from the mating main body, the mating connector on the mating direction side of the mating main body It is preferable to have a fourth sealing member that is attached and is abutted and locked to the end portion of the cover at the time of fitting connection to seal the cover and the counterpart main body portion.

  According to the connector having such a structure, the coupling nut and the vicinity thereof are provided by the presence of a cover provided so as to be sealed between the main body by having a sufficient protection function against an environmental load from the outside. The well-known structure which is a basic structure part of the connector is not easily damaged, and when the connector is broken, if the cover is broken, it can be easily handled by replacing it with another part.

  Hereinafter, specific examples will be given and the connector of the present invention will be described in more detail.

  FIG. 1 is a side view showing a partial cross section of the basic structure of a plug connector 1 according to Embodiment 1 of the present invention before and after fitting connection with a receptacle connector 2 which is a mating connector. ) Relates to the side view after the fitting connection, and FIG. 5B relates to the side view before the fitting connection.

  Referring to FIG. 1, the plug connector 1 according to the first embodiment uses the known structure shown in FIG. 7 as it is, and a coupling nut 7 is rotatably mounted and held on the outer periphery of one end side of the main body. In addition, the coupling body 7 is rotated and fastened in a state in which the body section is fitted to the opening of the mating body section in the receptacle connector 2 that is the mating connector, thereby fastening the mating body section to the body section. And a first sealing member mounted to seal the main body and the counterpart main body at a predetermined position between the main body and the coupling nut 7. The “O” ring 5 and the gasket 6 are the same, but the coupling nut 7 is covered so as to cover the entire coupling nut 7 and at least a part of the main body. A detachable substantially cylindrical cover 3 that is fixedly held and rotated integrally with the coupling nut 7 for fitting connection with the receptacle connector 2 and used for the rotation operation, and the vicinity of the coupling nut 7 It is characterized by having a gasket 6a as a second sealing member that is mounted between the cover 3 and the main body portion and seals the cover 3 and the main body portion.

  In addition, set screws 4 as fixing members for holding and fixing the cover 3 to the coupling nut 7 are provided at three positions at intervals of 120 degrees in the circumferential direction of the cover 3. Between the screw 4 and the cover 3, an “O” ring 5 a as a third sealing member for sealing them is mounted. An “O” ring 5b as a fourth sealing member for sealing the cover 3 and the counterpart main body is stopped along the flange of the receptacle connector 2 on the mating direction side of the counterpart main body. It is also characterized by the structure that is attached to the part.

  Of these, each of the “O” rings 5a and 5b and the gasket 6a as the sealing members may be made of rubber, and the “O” ring mounted between the main body portion and the coupling nut 7 in the basic structure portion of a known structure. “It has the same function as that of the ring 5 and the gasket 6 and can prevent water, oil, dust and the like from entering from the outside.

  In other words, in the case of the plug connector 1 according to the first embodiment, the entire coupling nut 7 and the main body portion of the main body portion according to the mounting direction M1 of the cover 3 which is in the vertical direction collinear with the fitting / removal direction M2 with respect to the receptacle connector 2. A part of the cover 3 is covered with a detachable cover 3 so as to be fixed and held so as to rotate integrally with the coupling nut 7 and used for the rotation operation, and the main body provided with the coupling nut 7 and the cover 3 are coupled to the coupling nut 7. 7 and a sealing member ("O" rings 5a and 5b and gasket) so that the cover 3 can be sufficiently sealed against the mating body part of the receptacle connector 2 at the time of fitting connection. 6a) is attached to provide a sufficient protection function against environmental load from the outside, so that the coupling nut 7 and its vicinity are covered by the cover 3 If the basic structure of the well-known structure is okay when the connector is damaged, for example, when the cover 3 on the surface is damaged during use, the connector itself is less likely to be damaged. The fastening function of the nut 7 and the sealing function by the sealing members (the “O” ring 5 and the gasket 6) are not impaired, and the cover 3 can be easily replaced by replacing parts.

  By the way, since the cover 3 here is a structure which performs fitting connection with the receptacle connector 2 after being attached to the main body so as to cover the coupling nut 7 of the plug connector 1, A procedure for this will be described.

  FIG. 2 is a side view showing a state before the mating connection of the plug connector 1 and the receptacle connector 2 described above.

  Here, it is assumed that the well-known structure described in FIG. 7 is used as a basic structure as it is, and the coupling nut 7 is rotated clockwise (clockwise) with respect to the plug connector 1 having the coupling nut 7. By loosening the fastening force and widening the gap, the body portion of the plug connector 1 can be fitted into the opening of the mating body portion of the receptacle connector 2 in the direction indicated by the arrow (vertical direction). This shows that the receptacle connector 2 fitted and connected to the plug connector 1 can be pulled out in the direction opposite to the arrow.

  FIG. 3 is a side view showing a state in which the sealing member is attached to each part prior to the fitting connection between the plug connector 1 and the receptacle connector 2.

  Here, the "O" ring 5b is attached to the receptacle connector 2 while slightly extending and slightly expanding the "O" ring 5b on the part of the mating body portion on the mating direction side. A state is shown in which the gasket 6a is lightly stretched so as to be positioned below the outer periphery of the coupling nut 7 while being slightly expanded.

  FIG. 4 is a side view showing a state before the cover 3 is assembled to the plug connector 1 to which the sealing member (gasket 6a) is attached.

  Here, it is shown that the cover 3 having an inner diameter larger than the outer diameter of the coupling nut 7 is assembled to the plug connector 1 to which the gasket 6a is attached in a direction (vertical direction) indicated by an arrow. The cover 3 is previously provided with set screws 4 at three positions at 120 degree intervals in the circumferential direction so that the cover 3 can be easily held and fixed to the coupling nut 7.

  FIG. 5 is a side view showing a state after the cover 3 is assembled to the plug connector 1 to which the sealing member (gasket 6a) is attached.

  Here, after the cover 3 having an inner diameter larger than the outer diameter of the coupling nut 7 described above is assembled to the main body portion of the plug connector 1 so as to cover the coupling nut 7 and the gasket 6a, the cover 3 in the circumferential direction is covered. It shows that the cover 3 is fixedly held to the coupling nut 7 by fastening three set screws 4. As a result, the cover 3 is configured to rotate integrally with the coupling nut 7 and is subjected to a rotation operation when the cover 3 is fitted and connected to the receptacle connector 2.

  FIG. 6 is a side view showing a fitting connection state of the receptacle connector 2 with respect to the plug connector 1 in which the cover-3 described above is assembled.

  Here, since the cover-3 assembled to the plug connector 1 is used in place of the rotation operation of the coupling nut 7, the cover-3 is rotated clockwise (clockwise) to loosen the fastening force of the coupling nut 7. After widening the gap and fitting the main body portion of the plug connector 1 with the opening of the mating main body portion of the receptacle connector 2 in the vertical direction, the cover 3 is counterclockwise as indicated by the arrow shown in FIG. It shows that the mating body portion of the receptacle connector 2 is pressed and brought into contact with the body portion of the plug connector 1 by turning around (counterclockwise) and fastening the coupling nut 7. In this way, by rotating the cover-3 substituted for the coupling nut 7, the fitting connection of the receptacle connector 2 to the plug connector 1 is completed.

  Since the cover applied to the connector of the present invention can be attached to and detached from a connector having a known structure, a connector having a known structure is used except that a connector with a cover is provided for mating connection with the mating connector in advance. Can be used as a repair part for emergency treatment when the sealing function is deteriorated.

BRIEF DESCRIPTION OF THE DRAWINGS It is the side view which showed the basic structure of the plug connector which concerns on Example 1 of this invention in the cross section before and after fitting connection with the receptacle connector which is a counterpart connector, and (a) is the side view after fitting connection (B) relates to a side view before fitting connection. It is the side view which showed the state before the fitting connection of the plug connector and receptacle connector shown in FIG. It is the side view which showed the mounting state of the sealing member with respect to each part prior to the fitting connection of the plug connector shown in FIG. 2, and a receptacle connector. FIG. 4 is a side view showing a state before the cover is attached to the plug connector to which the sealing member shown in FIG. 3 is attached. FIG. 5 is a side view showing a state after the cover is assembled to the plug connector shown in FIG. 4. FIG. 6 is a side view showing a fitting connection state of the receptacle connector with respect to the plug connector in which the cover shown in FIG. 5 is assembled. The side view which showed the basic structure of the conventional plug connector of the structure where the sealing member was provided between the main-body part and the coupling nut in the cross-section in the fitting connection state with the receptacle connector which is a counterpart connector. is there.

Explanation of symbols

1 Plug Connector 2 Receptacle Connector 3 Cover 4 Set Screw 5, 5a, 5b “O” Ring 6, 6a Gasket 7 Coupling Nut

Claims (4)

  A coupling nut is rotatably mounted on the outer periphery of one end of the main body, and the coupling nut is rotated while the main body is fitted to the opening of the mating main body of the mating connector. It has a structure in which the other body part is pressed and contacted to the body part by operating and fastening, and the body part is provided at a predetermined position between the body part and the coupling nut. And a first sealing member for sealing the mating body part, and the coupling nut so as to cover the entire coupling nut and at least a part of the body part A detachable, generally cylindrical cover that is rotated and rotated integrally with the coupling nut during fitting connection with the mating connector, and is provided for rotation. Connector, characterized in that mounted between the cover and the main body portion of the coupling nut vicinity and a second sealing member for sealing the said cover and the body portion.   The connector according to claim 1, further comprising a fixing member for fixing the cover to the coupling nut.   3. The connector according to claim 2, further comprising a third sealing member that is mounted between the fixing member and the cover and seals the fixing member and the cover. The connector according to any one of claims 1 to 3, wherein the mating connector has a flange portion that projects outward from the mating body portion, and the mating direction side of the mating body portion. A fourth portion for sealing the cover and the counterpart main body by being abutted and locked to the end of the cover during fitting connection. A connector comprising a sealing member.

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