JP3196537U - Seal member fixture, seal assembly, connector assembly, and housing assembly - Google Patents

Abstract

A seal member fixture, a seal assembly, a connector assembly, and a housing assembly for firmly fixing a seal member are provided. Disclosed is a seal member fixture 20 comprising a barrel-like body that surrounds it to form a bullet cavity. An accommodation slot is provided around the outer wall of the cylindrical body. The receiving slot has an upper wall and a lower wall. A first protrusion 24 is provided on the upper wall. The first protrusion 24 protrudes from the outer surface of the upper wall. In the seal member fixture 20, the seal assembly, the connector assembly, and the housing assembly, the receiving slot of the seal member fixture 20 is used to receive the side wall of the seal member 10. The first protrusion 24 is embedded in the annular side wall of the seal member 10 and can improve the connection strength between the seal member fixture 20 and the seal member 10 when the seal assembly is inserted and removed. [Selection] Figure 1

Description

  The present invention relates to a seal member fixture, a seal assembly, a connector assembly, and a housing assembly.

  An electrical connector or housing for housing an electrical device needs to be sealed in use. Sealing gaskets at connection interfaces of connectors or electrical device housings, for example, sealing gaskets for sealing between male connectors and female connectors, and sealing gaskets for sealing between plug terminals and electrical connectors are known in the prior art. Then it cannot be fixed firmly. Usually, the sealing gasket is provided between the outer wall of the male connector and the inner wall of the female connector. In order to improve the sealing performance, the sealing gasket needs to be in close contact with the outer wall of the male connector and the inner wall of the female connector. In such a structure, the male connector and the female connector are assembled or inserted and removed, while close contact means a high frictional force. Larger frictional forces tend to drop off the sealing gasket and reduce sealing performance.

  An object of the present invention is to provide a seal member fixture for securely fixing a seal member in order to overcome the drawbacks of the prior art.

  In order to achieve the above object, the present invention uses the following technical solutions. That is, it has a cylindrical body surrounding to form a canister cavity, and a receiving slot is provided around the outer wall of the cylindrical body, and the receiving slot has an upper wall and a lower wall, A first protrusion is provided on the wall, and the first protrusion protrudes from the outer surface of the upper wall.

  Preferably, the number of the first protrusions is three or more, and the three or more first protrusions are distributed on the outer surface of the upper wall.

  Preferably, an inner shoulder is provided on the inner surface of the cylindrical body.

  Preferably, the second protrusion is provided on the outer surface of the cylindrical body and protrudes from the outer surface of the cylindrical body.

  Preferably, the second protrusion and the third protrusion are provided so as to protrude from the outer surface of the cylindrical main body, and a predetermined space is provided between the second protrusion and the third protrusion.

  Preferably, the barrel-like body comprises a through slot. The through slot extends from the outer surface to the inner surface of the bullet-shaped main body and communicates with the bullet cavity. A first stage is provided on the inner surface of the bullet-shaped main body. A predetermined space is provided between the lower slot edge of the through slot and the first stage.

  Preferably, a groove is provided on the outer surface of the cylindrical body. The through slot communicates with the groove.

  Preferably, the outer surface of the cylindrical body includes a plurality of ribs. The plurality of ribs form a peripheral engaging surface on the outer surface of the cylindrical main body.

  A second object of the present invention is to provide a seal assembly that secures the seal member to overcome the disadvantages of the prior art.

  In order to achieve the above object, the present invention uses the following technical solutions. That is, it comprises a seal member and the above-described seal member fixture, the seal member has a tubular side wall, the tubular side wall is surrounded to form a tubular cavity, and a fixing plate is provided in the tubular cavity. The fixing plate has a plurality of through holes that penetrate the fixing plate, the seal member is provided detachably around the seal member fixture, and one end of the seal member fixture is disposed in the tubular cavity, A seal assembly is characterized in that a first protrusion is embedded in a tubular side wall from a tubular cavity.

  Preferably, the second protrusion is provided on the outer surface of the cylindrical body and protrudes from the outer surface of the cylindrical body.

  Preferably, the second protrusion and the third protrusion are provided so as to protrude from the outer surface of the cylindrical main body, and a predetermined space is provided between the second protrusion and the third protrusion.

  Preferably, the barrel-like body comprises a through slot. The through slot extends from the outer surface to the inner surface of the bullet-shaped main body and communicates with the bullet cavity. A first stage is provided on the inner surface of the bullet-shaped main body. A predetermined space is provided between the lower slot edge of the through slot and the first stage.

  Preferably, a connection plate is provided at the upper end of the cylindrical side wall, and an arc-shaped slot is provided on the back surface of the connection plate. One end of the connection plate is connected to the cylindrical side wall, and the other end is connected to the fixed plate. The fixing plate, the tubular side wall and the connecting plate form a receiving slot and surround it. The receiving slot communicates with the tubular cavity. One end of the seal member fixture is disposed in the receiving slot. The upper wall of the receiving slot is disposed in the arc-shaped slot.

  Preferably, the side surface of the first protrusion has an arc shape according to the shape of the outer surface of the connection plate.

  Preferably, the connection plate includes a through hole, and the side surface of the first protrusion extends from the connection plate through the through hole.

  Preferably, the side surface of the first protrusion is flush with or lower than the outer surface of the arcuate connection plate.

  A third object of the present invention is to provide a connector assembly that securely secures a seal member in order to overcome the disadvantages of the prior art.

  In order to achieve the above object, the present invention uses the following technical solutions. That is, a connector assembly comprising the above-described seal assembly and a terminal connector partially disposed in a bullet cavity of the seal member fixture.

  Preferably, the outer wall of the terminal connector includes a fourth protrusion protruding from the outer wall. The barrel-shaped body has a through slot. The through slot extends from the outer surface to the inner surface of the bullet-shaped main body and communicates with the bullet cavity. The fourth protrusion is embedded in the through slot and connects the seal member fixture to the terminal connector.

  Preferably, the first stage is provided on the inner surface of the barrel-shaped main body. The outer wall of the terminal connector includes a second stage protruding from the outer wall. The first stage contacts the second stage.

  A fourth object of the present invention is to provide a housing assembly for securely fixing a seal member.

  In order to achieve the above object, the present invention uses the following technical solutions. That is, the housing assembly includes the housing and the connector assembly described above, the housing includes an insertion port, and the connector assembly is connected to the insertion port.

  Preferably, the second protrusion and the third protrusion are provided so as to protrude from the outer surface of the cylindrical main body, and a predetermined space is provided between the second protrusion and the third protrusion. A snap slot is provided in one wall of the housing at the insertion port. The snap slot is removably engaged with at least one of the second protrusion and the third protrusion, and connects the seal member fixture to the housing.

  Preferably, the snap slot is detachably connected to the second protrusion and the third protrusion, and holds the seal member fixture and the housing at the first connection position and the second connection position.

  In the seal member fixture, seal assembly, connector assembly, and housing set of the present invention, the receiving slot of the seal member fixture is used to receive the side wall of the seal member, and the first protrusion is the annular side wall of the seal member. The first protrusion is embedded in the seal member, and the connection strength between the seal member fixture and the seal member can be improved when the seal assembly is inserted and removed. The first protrusion of the seal member fixture protrudes from the outer surface of the barrel-shaped main body, and the first protrusion orthogonal to the removal direction of the seal member provides a driving force for removing the seal member from the tubular cavity. To prevent the seal member from separating from the seal member fixture. According to the present invention, the first protrusion and the second protrusion are disposed on the seal member fixture, and the seal member fixture and the housing are held at the first connection position and the second connection position. Are not easily disengaged during use and are used more safely. The seal member fixture according to the present invention further includes a structure connectable to the insertion machine so as to be connected to the insertion machine to form a connector assembly. The inserter may be connected to the housing.

1 is a perspective view of a seal assembly according to the present invention. 1 is an exploded cross-sectional view of a seal assembly according to the present invention. It is a perspective view of a seal member fixture according to the present invention. It is sectional drawing of the sealing member fixing tool which concerns on this invention. It is a top view of the seal member fixture according to the present invention. It is a bottom view of the seal member fixture according to the present invention. It is a perspective view of the seal member of the seal assembly of the present invention. It is the perspective view which looked at the seal member of the seal assembly of the present invention from another direction. 1 is an exploded perspective view of a housing assembly according to the present invention. It is a fragmentary sectional view after the assembly of the housing assembly which concerns on this invention. It is another fragmentary sectional view after the assembly of the housing assembly which concerns on this invention. It is a partial cross-sectional view after the assembly of the housing assembly which concerns on this invention.

  As shown in FIGS. 1 and 2, the seal assembly includes a seal member 10 and a seal member fixture 20. The seal member 10 is detachably provided around one end of the seal member fixture 20. The first protrusion 24 of the seal member fixture 20 is inserted into the canister-like side wall 11 of the seal member 10 from the tubular cavity 12 of the seal member 10, and the seal member 10 is placed on the seal member fixture 20. Hold.

  As shown in FIGS. 1 to 6, the seal member fixture 20 includes a bullet-like main body 21 that surrounds to form a bullet cavity 22. An accommodation slot 23 is provided around the outer wall of the barrel-shaped main body 21 and holds the barrel-shaped side wall 11 of the seal member 10 (see FIG. 10). The accommodation slot 23 has an upper wall 231 and a lower wall 232. As shown in FIG. 4, a predetermined space H <b> 1 is provided between the upper wall 231 and the lower wall 232 of the accommodation slot 23 in order to hold the cylindrical side wall 11 of the seal member 10. The inner surface of the barrel-shaped main body 21 has an internal shoulder 28 and supports the fixing plate 13 of the seal member 10 (see FIG. 10). In the preferred embodiment shown in FIG. 5, the inner shoulder 28 is continuously provided on the inner surface of the barrel-shaped body 21 to form a ring shape.

  The upper wall 231 includes a first protrusion 24. The first protrusion 24 protrudes from the outer surface of the upper wall 231. The number of the first protrusions 24 may be one, two, or three or more. In a preferred embodiment of the present invention, the four first protrusions 24 are evenly distributed around the entire outer surface of the upper wall 231. As described below, the first protrusion 24 may be used to hold the seal member 10 on the seal member fixture 20.

  The second protrusion 25 is provided on the outer surface of the cylindrical body 21 and protrudes from the outer surface of the cylindrical body 21. The number of the second protrusions 25 may be one, two, or three or more. Preferably, the number of second protrusions 25 is less than the number of first protrusions 24. Each second protrusion 25 is disposed to face one of the first protrusions 24 in the vertical direction. A third protrusion 27 is further provided on the outer surface of the cylindrical main body 21. The second protrusion 25 is arranged in alignment with the third protrusion 27 in the vertical direction. As will be described below, the second protrusion 25 and the third protrusion 27 engage with the corresponding structure of the housing, respectively, to hold the seal member fixture 20 and the housing in the first connection position and the second connection position. As shown in FIG. 4, a predetermined space H2 is provided between the second protrusion 25 and the third protrusion 27, and corresponds to the first connection position and the second connection position of the seal member fixture 20 with respect to the housing.

  A groove 26 is provided on the outer surface of the cylindrical main body 21. A through slot 261 is provided in the groove 26. The through slot 261 extends from the outer surface to the inner surface of the bullet-shaped main body 21 and communicates with the bullet cavity 22. A first step 29 is provided on the inner surface of the cylindrical main body 21. In a preferred embodiment of the present invention, the through slot 261 and the first step 29 correspond to a corresponding structure on the mating connector 30 for connecting the seal member fixture 20 to the terminal connector 30. In the example shown in FIG. 4, a predetermined space H <b> 3 is provided between the lower slot edge 262 of the through slot 261 and the first stage 29. As described below, the space H3 corresponds to a corresponding structure on the mating terminal connector 30 for connecting the seal member fixture 20 and the terminal connector 30 to form a connector assembly. In the illustrated example, the through slot 261 is disposed between the second protrusion 25 and the third protrusion 27 of the bullet-shaped main body 21.

  The outer surface of the barrel-shaped main body 21 includes a plurality of ribs 211. In the illustrated example, the rib 211 extends in the vertical direction. The plurality of ribs 211 form a peripheral engagement surface on the outer surface of the cylindrical main body 21. The peripheral engagement surface corresponds to the receptacle 42 of the mating housing 40 and is used for peripherally engaging the seal member fixing tool 20 in the receptacle 42 as shown in FIG.

  As shown in FIG. 1, FIG. 2, FIG. 7 and FIG. 8, the seal member 10 includes a cylindrical side wall 11. The bullet-shaped side wall 11 surrounds to form a tubular cavity 12. A fixed plate 13 is provided in the tubular cavity 12. The fixed plate 13 includes a plurality of through holes 14 that penetrate the fixed plate 13. The through hole 14 allows a conductor wire to pass through the through hole 14. The through hole 14 of the fixing plate 13 is set to a dimension that allows the conductor wire to pass through the through hole 14 and seal the conductor wire. A connection plate 15 is provided at the upper end of the bullet-like side wall 11. The outer surface 151 of the connection plate 15 is set in an arc shape. An arc-shaped slot 16 is provided on the back surface of the connection plate 15. The arcuate slot 16 communicates with the receiving slot 17. The connection plate 15 includes a through hole 161 communicating with the arc-shaped slot 16. One end of the connection plate 15 is connected to the bullet-shaped side wall 11, and the other end is connected to the fixed plate 13. A gap is formed between the fixing plate 13 and the cylindrical side wall 11 to form a roundness of the receiving slot 17. The receiving slot 17 communicates with the tubular cavity 12. The bullet-shaped side wall 11, the fixing plate 13, and the connection plate 15 are integrally formed so as to form the seal member 10.

  Upon completion of the assembly of the seal assembly, the end of the seal member fixture 20 is disposed in the receiving slot 17 of the seal member 10. The upper wall 231 of the receiving slot 23 is disposed in the arc-shaped slot 16. The connection plate 15 includes a through hole 161. The through hole 161 communicates with the receiving slot 17. The first protrusion 24 of the seal member fixture 20 is inserted into the connection plate 15 through the through hole 161 to the outside, and holds the seal member 10 on the seal member fixture 20, and the seal member 10 is the seal member fixture. 20 is prevented from being disengaged. In a preferred embodiment of the present invention, the first protrusion 24 penetrates the connection plate 15. More preferably, the side surface 241 of the first protrusion 24 has an arc shape that matches the arc-shaped outer surface 151 of the connection plate 15 and is flush with the arc-shaped outer surface 151 of the connection plate 15 or lower than the arc-shaped outer surface 151. .

  The applied structure of the seal assembly is shown in FIGS. As shown in these drawings, the connector assembly includes the seal assembly and the terminal connector 30 described above. The terminal connector 30 is provided with a plurality of receiving holes 35 for receiving connection terminals. The outer wall includes a fourth protrusion 31 protruding from the outer wall. The outer wall of the terminal connector 30 includes a second step 32 protruding from the outer wall. A predetermined space that engages with a corresponding structure of the seal member fixture 20 is provided between the fourth protrusion 31 and the second step 32 along the insertion direction.

  When the connector assembly is assembled, the end portion of the terminal connector 30 is inserted into the cylindrical cavity 22 of the seal member fixture 20. The fourth protrusion 31 is embedded in the through slot 26, and the second step 31 contacts the first step 29. The fourth protrusion 31 is locked to the barrel-shaped main body 21 and prevents the seal member fixture 20 from being disengaged from the end of the terminal connector 30. The fourth protrusion 31 and the second step 32 partially hold the cylindrical side wall and connect the seal member fixture 20 to the terminal connector 30 to form a connector assembly.

  When the connector assembly according to the present invention is used, the plurality of connection terminals 34 are mounted in the receiving holes 35 of the terminal connector 30. The end portion of the terminal connector 30 is inserted into the bullet-like cavity 22 of the seal member fixture 20. The fourth protrusion 31 is embedded in the through slot 261, and the second step 32 abuts on the first step 29 of the barrel-shaped main body 21. The first protrusion 31 and the second stage 32 cooperate to hold the bullet-shaped main body 21 and connect the terminal connector 30 to the seal member fixture 20.

  The seal assembly or connector assembly having the seal member fixture 20 is removably inserted into the receptacle 42 of the mating housing 40 and connected to the insertion port 44 of the mating housing 40 to form the housing assembly. In a preferred embodiment of the present invention, the plurality of ribs 211 on the outer surface of the barrel-shaped main body 21 are engaged with the insertion port 44 of the mating housing 40, so that the seal member fixture 20 is disposed around the receptacle 42. Fixed to. In another preferred embodiment of the present invention, a snap slot 46 is provided in the insertion port 44 of the housing 40. The second protrusion 25 and the third protrusion 27 of the seal member fixing tool 20 are respectively inserted into the snap slots 46 of the mating housing 40 to connect the seal member fixing tool 20 to the mating housing 40, and the seal member fixing tool 20 is pivoted. Fix in direction. When the second protrusion 25 of the seal member fixture 20 is inserted into the snap slot 46 of the mating housing 40, the seal member fixture 20 is held in the first connection position shown in FIG. . When the third protrusion 27 of the seal member fixture 20 is inserted into the snap slot 46 of the mating housing 40, the seal member fixture 20 is held at the second connection position shown in FIG. . In the second connection position shown in FIG. 11, the seal member fixture 20 is inserted into the insertion port 44 of the housing 40.

  When the assembly of the housing assembly is completed, the seal member 10 of the seal assembly seals the gap between the seal member fixture 20 and the inner wall of the mating housing 40. As shown in FIGS. 10 and 11, the cylindrical side wall 11 of the seal member 10 is sealed between the inner wall of the housing 40 and the outer wall of the cylindrical main body 21. The fixing plate 13 of the seal member 10 is sealed between the inner wall of the cylindrical main body 21 and the conductor wire. In a preferred embodiment of the present invention, the seal assembly simultaneously performs radial sealing and sealing between conductor wires. When the seal member fixture 20 is inserted or removed so that the seal member fixture 20 is connected to or disconnected from the mating housing 40, the first protrusion 24 receives the frictional force received by the seal member 10, and the seal member 10. Is prevented from separating from the seal member fixture 20 in the axial direction.

  In the seal member fixture, the seal assembly, the connector assembly, and the housing assembly according to the present invention, the receiving slot of the seal member fixture is used to receive the side wall of the seal member, and the first protrusion is an annular shape of the seal member. The first protrusion is embedded in the side wall to improve the connection strength between the seal member fixture and the seal member when the seal assembly is inserted and removed. The first protrusion of the seal member fixture protrudes from the outer surface of the barrel-shaped main body, and the first protrusion orthogonal to the removal direction of the seal member provides a driving force for removing the seal member from the tubular cavity. To prevent the seal member from separating from the seal member fixture. According to the present invention, the first protrusion and the second protrusion are disposed on the seal member fixture, and the seal member fixture and the housing are held at the first connection position and the second connection position. Are not easily disengaged during use and are used more safely. The seal member fixture according to the present invention further includes a structure connectable to the insertion machine so as to be connected to the insertion machine to form a connector assembly. The inserter may be connected to the housing.

  The embodiments of the present invention are used only to illustrate the present invention and should not be construed to limit the scope of the utility model registration request. All other substantially equivalent alternatives contemplated by those skilled in the art are within the scope of the present invention.

DESCRIPTION OF SYMBOLS 10 Seal member 11 Bullet-shaped side wall 12 Tubular cavity 13 Fixing plate 14 Through hole 15 Connection plate 16 Arc-shaped slot 17 Receiving slot 20 Seal member fixing tool 21 Bullet-shaped main body 22 Bullet cavity 23 Receiving slot 24 First protrusion 25 First 2 projection 26 groove 27 3rd projection 28 inner shoulder 29 first stage 30 terminal connector 31 fourth projection 32 second stage 44 insertion port 46 snap slot 211 rib 231 upper wall 232 lower wall 261 through slot 262 lower slot edge

Claims (22)

A seal member fixture comprising a barrel-shaped body surrounding to form a bullet cavity,
An accommodation slot is provided around the outer wall of the cylindrical body,
The receiving slot has an upper wall and a lower wall;
A first protrusion is provided on the upper wall,
The first protrusion protrudes from an outer surface of the upper wall. The number of the first protrusions is 3 or more,
The seal member fixture according to claim 1, wherein three or more first protrusions are distributed on the outer surface of the upper wall.   The seal member fixture according to claim 1, wherein an inner shoulder is provided on an inner surface of the cylindrical main body.   The seal member fixture according to claim 1, wherein a second protrusion is provided on the outer surface of the barrel-shaped main body and protrudes from the outer surface of the barrel-shaped main body.   The second protrusion and the third protrusion are provided so as to protrude from the outer surface of the cylindrical main body, and a predetermined space is provided between the second protrusion and the third protrusion. Seal member fixture. The barrel-shaped body comprises a through slot;
The through slot extends from the outer surface to the inner surface of the cylindrical body and communicates with the bullet cavity,
A first stage is provided on the inner surface of the cylindrical body,
The seal member fixture according to claim 1, wherein a predetermined space is provided between a lower slot edge of the through slot and the first stage. A groove is provided on the outer surface of the cylindrical body,
The seal member fixture according to claim 6, wherein the through slot communicates with the groove. The outer surface of the cylindrical main body comprises a plurality of ribs,
The seal member fixture according to claim 1, wherein the plurality of ribs form a peripheral engaging surface on an outer surface of the cylindrical body. A seal assembly comprising a seal member and the seal member fixture according to any one of claims 1 to 3 and 8,
The sealing member includes a cylindrical side wall,
The cylindrical side wall surrounds to form a tubular cavity;
A fixing plate is provided in the tubular cavity;
The fixed plate has a plurality of through holes penetrating the fixed plate,
The seal member is detachably provided around the seal member fixture,
One end of the seal member fixture is disposed within the tubular cavity;
The seal assembly according to claim 1, wherein the first protrusion is embedded in the tubular side wall from the tubular cavity.   The seal assembly according to claim 9, wherein the second protrusion is provided on an outer surface of the cylindrical body and protrudes from the outer surface of the cylindrical body. A second protrusion and a third protrusion are provided so as to protrude from the outer surface of the cylindrical main body;
The seal assembly according to claim 9, wherein a predetermined space is provided between the second protrusion and the third protrusion. The barrel-shaped body comprises a through slot;
The through slot extends from the outer surface to the inner surface of the cylindrical body and communicates with the bullet cavity,
A first stage is provided on the inner surface of the cylindrical body,
The seal assembly according to claim 9, wherein a predetermined space is provided between a lower slot edge of the through slot and the first stage. A connection plate is provided at the upper end of the cylindrical side wall,
An arc-shaped slot is provided on the back surface of the connection plate,
One end of the connection plate is connected to the cylindrical side wall,
The other end of the connection plate is connected to a fixed plate,
The fixing plate, the barrel-shaped side wall and the connecting plate form a receiving slot and surround them;
The receiving slot communicates with the tubular cavity;
One end of the seal member fixture is disposed in the receiving slot;
The seal assembly according to claim 9, wherein an upper wall of the receiving slot is disposed in the arcuate slot.   The seal assembly according to claim 13, wherein a side surface of the first protrusion has an arc shape according to a shape of an outer surface of the connection plate. The connection plate has a through hole,
The seal assembly according to claim 13, wherein a side surface of the first protrusion extends from the connection plate through the through hole.   The seal assembly according to claim 15, wherein a side surface of the first protrusion is flush with or lower than an outer surface of the arc-shaped connecting plate.   A seal assembly according to any one of claims 9 and 12 to 14, and a terminal connector partially disposed in the bullet cavity of the seal member fixture. Connector assembly. The outer wall of the terminal connector includes a fourth protrusion protruding from the outer wall,
The barrel-shaped body comprises a through slot;
The through slot extends from the outer surface to the inner surface of the cylindrical body and communicates with the bullet cavity,
The connector assembly according to claim 17, wherein the fourth protrusion is embedded in the through slot to connect the seal member fixture to the terminal connector. A first stage is provided on the inner surface of the cylindrical body,
The outer wall of the terminal connector includes a second stage protruding from the outer wall,
The connector assembly according to claim 18, wherein the first stage abuts on the second stage. A housing, and the connector assembly according to claim 17,
The housing comprises an insertion port;
The housing assembly is connected to the insertion port. A second protrusion and a third protrusion are provided so as to protrude from the outer surface of the cylindrical main body;
A predetermined space is provided between the second protrusion and the third protrusion;
A snap slot is provided in one wall of the housing at the insertion port;
21. The housing assembly according to claim 20, wherein the snap slot is removably engaged with at least one of the second protrusion and the third protrusion to connect the seal member fixture to the housing.   22. The snap slot is detachably connected to the second protrusion and the third protrusion, and holds the seal member fixture and the housing at a first connection position and a second connection position. Housing assembly.

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