WO2023173309A1 - 线缆连接结构及线缆防水连接器 - Google Patents

线缆连接结构及线缆防水连接器 Download PDF

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Publication number
WO2023173309A1
WO2023173309A1 PCT/CN2022/081108 CN2022081108W WO2023173309A1 WO 2023173309 A1 WO2023173309 A1 WO 2023173309A1 CN 2022081108 W CN2022081108 W CN 2022081108W WO 2023173309 A1 WO2023173309 A1 WO 2023173309A1
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WO
WIPO (PCT)
Prior art keywords
housing
positioning hole
main housing
limiting
adapter seat
Prior art date
Application number
PCT/CN2022/081108
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English (en)
French (fr)
Inventor
周俊
桂宏兵
刘福
Original Assignee
深圳金信诺高新技术股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 深圳金信诺高新技术股份有限公司 filed Critical 深圳金信诺高新技术股份有限公司
Priority to PCT/CN2022/081108 priority Critical patent/WO2023173309A1/zh
Publication of WO2023173309A1 publication Critical patent/WO2023173309A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00

Definitions

  • This application relates to the field of waterproof cable connections, in particular to waterproof cable connectors.
  • the traditional cable shell protection method uses a universal jumper end sealing protection device, which must correspond to cables of corresponding specifications. This increases transportation and production costs, and on-site installation is also inconvenient. Moreover, the fixed adapter port at the equipment port end has poor versatility, and it is difficult to install the jumper end protection devices side by side after the equipment is installed. When the on-site construction end is used, the installation requires high quantity accuracy of the construction party.
  • the Chinese patent application with publication number CN106405769A discloses a sealing protection device for the jumper end of an outdoor optical cable assembly. Its main focus is on the sealing and waterproof design of the end of the main housing connected to the optical cable.
  • a cable connection structure and a cable waterproof connector are provided.
  • a cable waterproof connector includes a main housing, an adapter seat, a sliding housing and a locking housing assembled on the main housing, and the main housing has an inner cavity that extends from the adapter seat to the locking housing. to pass through the cable;
  • the cable waterproof connector also includes a limit shell, an elastic member and a clamping bead;
  • the limit shell is fixed outside the main shell, and the sliding shell is slidably arranged outside the main shell and is limited to the limit shell and the adapter seat;
  • the elastic member is placed outside the main housing and contacts the sliding housing and the limiting housing respectively, and the elastic member is configured to exert an elastic force away from the limiting housing to the sliding housing;
  • the main housing is opened There is a positioning hole, and the clamping bead is arranged so that when it abuts the sliding shell, part of it is located in the positioning hole and abuts with the main housing, and part of it protrudes outside the positioning hole and is in a state of abutting with the adapter seat and is separated from it
  • the above-mentioned waterproof cable connector not only ensures the waterproof function, but also improves the connection method of the adapter seat.
  • the adapter seat and the main shell are locked. or separated, without changing the processing technology of existing various types of cables and their components, so the versatility is stronger without affecting the existing equipment ports; on the other hand, through the cooperation of the sliding housing, elastic parts and limiting housing , realizes the position control of the clamping bead relative to the adapter seat, so it can be quickly installed and used, reducing the skill proficiency requirements of the construction party, and has strong reliability; on the other hand, due to its simple structure and convenient assembly, it reduces the need for cable assembly sealing cost.
  • Figure 1 is a schematic structural diagram of an embodiment of the waterproof cable connector according to the present application.
  • FIG. 2 is a schematic view of the embodiment shown in FIG. 1 from another direction.
  • FIG. 3 is a schematic cross-sectional view along the A-A direction of the embodiment shown in FIG. 2 .
  • FIG. 4 is an enlarged schematic diagram of position B of the embodiment shown in FIG. 3 .
  • FIG. 5 is a schematic diagram of the sliding shell of the waterproof cable connector according to another embodiment of the present application.
  • FIG. 6 is an exploded schematic diagram of the embodiment shown in FIG. 1 .
  • FIG. 7 is a schematic view from another direction of the embodiment shown in FIG. 6 .
  • FIG. 8 is a schematic view from another direction of the embodiment shown in FIG. 6 .
  • Figure 9 is a schematic cross-sectional view of another embodiment of the waterproof cable connector according to the present application.
  • FIG. 10 is a schematic diagram of another embodiment of the waterproof cable connector of the present application applied to connecting cables.
  • FIG. 11 is a schematic cross-sectional view along the B-B direction of the embodiment shown in FIG. 10 .
  • Figure 12 is a schematic cross-sectional view of another embodiment of the waterproof cable connector of the present application applied to connecting cables.
  • a cable connection structure includes a main housing and a sliding housing, a limiting housing, an elastic member and a bead assembled on the main housing, and the main housing has an inner cavity to pass through.
  • a cable is provided, and the first end of the main housing is set as a connection adapter seat; the limiting housing is fixed outside the main housing, and the sliding housing is slidably provided outside the main housing and is located between the limiting housing and the adapter seat;
  • the elastic member is placed outside the main housing and contacts the sliding housing and the limiting housing respectively.
  • the elastic member is configured to exert an elastic force away from the limiting housing to the sliding housing; the main housing is provided with a positioning hole, and the clamping bead is provided In the state of contacting the sliding housing, part of it is located in the positioning hole and contacts the main housing, and part protrudes outside the positioning hole and has a state of contacting with the adapter seat and a state of being separated.
  • the waterproof cable connector includes the cable connection structure described in any embodiment.
  • a cable waterproof connector is shown in Figures 1 and 6, which includes a main housing 400 and an adapter seat 100 assembled on the main housing, a sliding housing 200, a limiting housing 300 and a locking housing. 500.
  • the waterproof cable connector also includes a gripper 600; with reference to Figures 2 and 3, the main housing has an inner cavity 420 that extends from the adapter seat to the locking housing; with reference to Figure 11, the inner cavity Set up to route cables.
  • the cable waterproof connector also includes an elastic member 800 and a clamping bead 700; the limiting housing is fixed outside the main housing, and the sliding housing is slidably disposed outside the main housing and limited to the limiting housing.
  • the sliding housing can only slide controlled between the limiting housing and the adapting seat;
  • the elastic member is placed outside the main housing and contacts the sliding housing and the limiting housing respectively.
  • the component is configured to apply an elastic force to the sliding housing away from the limiting housing, that is, under the action of the elastic component, the sliding housing automatically slides toward the adapter seat until it is blocked by the main housing or the adapter seat.
  • the main housing is provided with a positioning hole 409.
  • the bead When the bead is in contact with the sliding housing, part of it is located in the positioning hole and abuts with the main housing, and part of it protrudes outside the positioning hole and has The state of contact with the adapter seat and the state of separation; that is, the positioning hole cannot completely accommodate the card bead, part of the card bead contacts the sliding shell, and part of the card bead blocks the adapter seat so that the adapter seat cannot move up and down; this embodiment , the card bead is still stuck in the positioning hole, and cannot completely enter the embedded groove 408 of the main housing for accommodating the adapter seat from the positioning hole, so as not to hinder the installation of the adapter seat.
  • the main housing is provided with an embedded groove
  • the positioning hole is connected to the embedded groove
  • the adapter seat is partially inserted into the embedded groove and can be positioned relative to the embedded groove. Turn the setting so that the part of the clamping ball protruding out of the positioning hole is located in the embedded groove.
  • Such a design is helpful in positioning and assembling the main shell on the adapter seat and ensuring the sealing effect.
  • it is helpful in controlling the position of the clamping bead so that at most only a part of it is located in the embedded groove, and the main body is separated when the main body is separated.
  • the adapter seat is provided with hanging ears 102, and the hanging ears are provided with hanging ear grooves 104 that match the shape of the bead.
  • the adapter seat is provided with There is an avoidance position 106 adjacent to the hanging ear groove; the clamping bead is arranged to partially protrude out of the positioning hole and abut the hanging ear at the hanging ear groove when it is in contact with the sliding housing, or is in the avoidance position. .
  • the adapter base is provided with two hanging lugs, an avoidance position is formed between the two hanging lugs, and an avoidance position is formed on the left and right sides between the two hanging lugs, that is, there are two Two avoidance positions.
  • part of the bead abuts the sliding housing, another part abuts the main housing or its body 403 in the positioning hole, and the remaining part protrudes outside the positioning hole and is located inside.
  • the main housing can be separated from the adapter seat.
  • the sliding housing and the limiting housing installed on the main housing can also be separated. It is separated from the adapter seat.
  • the locking shell and the gripping part are also separated from the main shell and the adapter seat when the cable is not connected, or the locking shell and the gripping part are separated after the cable is released.
  • the adapter seat is provided with a base body 101, and an outer mounting groove 103 and an outer mounting hole 105 are provided in the base body.
  • the mounting lugs are protrudingly provided on the base body, and an escape position is formed between the base body and the hanging lugs.
  • the base body passes through
  • the external mounting hole is installed in the external environment, and the external mounting groove is used to install a sealing ring to make the base body relatively sealed with the external environment.
  • the ear-mounting groove is connected to the escape position so that the bead can enter the avoidance position from the ear-mounting groove; in this way, in a relative rotation state, the bead can directly move from the ear-mounting groove to the avoidance position. position, that is, it changes from a state of contact with the mounting ear to a state of disengagement from the mounting ear, thereby separating the main housing and the adapter seat.
  • the hanging ears are provided with protrusions at both ends of the hanging ear groove to isolate the hanging ear groove from the avoidance position. That is, the main housing must slide down with the sliding housing to be completely released, and the sliding housing will no longer slide down to a certain position.
  • the main shell When abutting the bead, the main shell has a downward force relative to the adapter seat, so that the adapter seat pushes the bead. Only when the bead changes position and leaves the embedded groove can the main shell loosen the adapter. Matching seats. Through the position control of the clamping bead relative to the adapter seat, it can be quickly installed and used, which reduces the skill proficiency requirements of the construction party. It is highly reliable, has a simple structure and is easy to assemble, which reduces the sealing cost of the cable assembly to a certain extent.
  • the number of clamping beads is N, and the number of positioning holes and hanging ears is at least N; where N is a natural number. In one embodiment, the number of clamping beads is 1, 2, 3 or 4, etc., and so on. In one embodiment, an escape position is formed between two adjacent hanging ears; the number of positioning holes and hanging ears is the same, and N is greater than or equal to 2; and/or each positioning hole and each hanging ear is centrally symmetrical distributed. In one embodiment, each positioning hole is centrally symmetrically distributed relative to a certain point on the main housing axis, and each hanging ear is centrally symmetrically distributed relative to a certain point on the main housing axis. In one of the embodiments, as shown in FIG. 8 , the number of clamping beads, positioning holes, and hanging lugs is each two.
  • the adapter seat has an assembly position 130; the part of the bead protruding outside the positioning hole has a state of contact with the assembly position and a state of separation. Further, the assembly position includes the hanging ear and the escape position.
  • the part of the clamping bead protruding out of the positioning hole has a state of contacting the hanging ear and a state separated from the escape position; that is, the part of the clamping bead protruding out of the positioning hole
  • the main shell is fixed to the adapter seat; when this part no longer abuts the mounting ear or its mounting ear groove, but is in the avoidance position, the clamping bead is in contact with the adapter seat.
  • the main housing can be removed from the adapter seat.
  • the projection of the part of the bead protruding out of the positioning hole on the radial plane of the main housing is covered by the projection of the assembly position on the radial plane of the main housing, which means that the part of the bead protrudes beyond the positioning hole. outside the hole and within the outline of the mounting position of the adapter seat.
  • the relative position changes between the clamping bead and the adapter seat form a relative fixed state and a relative loose state between the main housing and the adapter seat.
  • the clamping bead is further configured to move from the contour of the adapter seat toward the positioning hole to break away from the contour of the adapter seat when it is not in contact with the sliding housing.
  • the contour is the contour of the assembly position of the adapter seat.
  • the main housing is provided with an elastic portion on the inner wall of the positioning hole. The elastic portion is configured to elastically deform under force to generate an elastic force away from the inner cavity, so that the bead is elastic when the force of the hanging ear disappears. The elastic force of the inner part leaves the positioning hole in a direction away from the inner cavity.
  • the positioning hole is a cylindrical hole
  • the clamping bead is arranged to be located in the positioning hole and abut against the main housing, and abut against the elastic part of the sliding housing, so as to elastically squeeze out the clamping bead to avoid jamming the main housing.
  • the adapter seat is separated from the main housing. Such a design is helpful when it is necessary to separate the main housing and the adapter seat, that is, when the main housing or the adapter seat is removed, it can avoid being unable to separate the main housing and the adapter seat due to the clamping beads being too tight. .
  • the clamping bead is rollably disposed in the positioning hole.
  • the shape of the bead includes at least one of at least part of a sphere, at least part of an ellipsoid, a cone, a truncated cone, a cylinder, and a prism with a number of edges greater than 5.
  • the shape of the positioning hole matches the clamping bead; and in the radial direction of the main housing, the cross-sectional area of the positioning hole adjacent to the inner cavity is smaller than the maximum cross-sectional area of the clamping bead, So that the clamping beads are at least partially blocked in the positioning holes, that is, the positioning holes are set to limit the volume or protrusion degree of the clamping beads in the embedded groove of the main housing, so as to prevent the clamping beads from protruding into the embedded grooves too much and affecting the impact. Remove the adapter seat.
  • the main housing or its inner cavity has the shape of a cylinder or a cylindrical body, so it has axial, radial and circumferential directions; and based on the shape of a cylinder or a cylindrical body, it also has other structures and shapes. , as shown in Figure 3, Figure 7 and Figure 8.
  • the sliding housing is provided with a guide portion 250 extending from its end away from the limiting housing, and the guide portion is configured to prevent the bead from completely escaping from the positioning hole. It can also be directed toward When the adapter seat moves and contacts the card bead, it exerts a guiding force toward the inner cavity on the card bead.
  • the guide portion is narrowed so that the sliding housing forms a guide slope 260 at the guide portion; the guide slope is configured to exert force on the bead toward the inner cavity when moving toward the adapter seat and passing through the positioning hole.
  • the guiding force; the guide slope is also set to cooperate with the positioning hole to form a space for accommodating the card beads when the sliding shell is sliding away from the adapter seat, so that the card beads are separated from the adapter seat and prevent the beads from being completely stuck. Disengage from the positioning hole.
  • the outer wall of the sliding housing is provided with concave and convex patterns 240 to facilitate sliding control under force. The sliding friction coefficient is enhanced through the concave and convex patterns, making it easier for the user to apply force to the sliding housing.
  • the first end of the main housing adjacent to the adapter seat is larger than the second end adjacent to the locking housing, so that the sliding housing, the elastic member and the limiting housing are moved from the second end Assemble sequentially towards the first end.
  • the sliding housing, the elastic member and the limiting housing are placed outside the body from the second end 402 of the main housing in sequence, and then moved to the first end 401 which is thicker than the second end, where the main housing or its body It has a first end and a second end; when the sliding housing or its guide portion is adjacent to the positioning hole, a clamping bead is inserted into the positioning hole, and the limiting housing is locked.
  • the sliding housing continues to move toward the first end under the action of the elastic member.
  • the sliding housing contacts the main housing and/or the adapter seat, and the positioning hole is closed to limit the protrusion of the card bead.
  • the sliding housing is compressed downward by the traction force F, and the main housing is appropriately pulled.
  • the bead faces the guide part and is restricted. The guide part and the guide slope cannot completely come out of the positioning hole, so the position of the clamping bead can be effectively controlled during use and disassembly.
  • the main body, the first end and the second end of the main housing respectively have preset shapes; as shown in Figures 3 to 9, the preset shapes include but are not limited to cylindrical and truncated cone shapes, and A shape obtained by adding or subtracting structures on the basis of a cylindrical or truncated cone.
  • the adapter seat is provided with a first installation cavity 120
  • the sliding housing is provided with a second installation cavity 220
  • the limiting housing is provided with a third installation cavity 320
  • the locking housing is provided with a fifth installation cavity.
  • the gripper is provided with a sixth installation cavity 620; with reference to Figures 3 and 9, the shape of the first installation cavity matches the preset shape of the first end, and the first end is embedded in the first installation cavity;
  • the shapes of the second installation cavity and the third installation cavity match the preset shape of the body, and the body is at least partially embedded in the second installation cavity and the third installation cavity;
  • the shape of the fifth installation cavity matches the preset shape of the second end. Matching, the second end and the grasping piece are both embedded in the fifth installation cavity; the sixth installation cavity is connected to the inner cavity, so that the inner cavity penetrates the grasping piece and the locking shell. Further, as shown in FIG.
  • the locking housing is provided with a through hole 510 , and the inner cavity communicates with the through hole, for example, through the sixth installation cavity, that is, the inner cavity is fully connected through the through hole. Cables such as optical fibers are passed through the perforations into the lumen. On the one hand, it forms a compact waterproof structure; on the other hand, it has the advantages of simple structure and convenient assembly. There is no need to change the processing technology of existing various types of cables and their components, thereby reducing the sealing cost of cable components.
  • the main housing has a sealing groove 407 at the first end.
  • This embodiment also includes a first sealing ring 110, a second sealing ring 410 and a third sealing ring. 610.
  • the first sealing ring is partially set in the sealing groove, and partially abuts the adapter seat in the embedded groove to make the inner cavity and the embedded groove relatively sealed; the main shell is provided with a second sealing ring on the body or its second end.
  • the second seal ring is partially set in the second seal groove, and part abuts the locking housing to make the locking housing and the body relatively sealed;
  • the gripping piece or its connecting section 650 is provided with a third sealing groove,
  • the third sealing ring is partially sleeved in the second sealing groove, and partially contacts the inner wall of the body or its second end, so that the gripper and the body are relatively sealed.
  • an accommodating area 230 is formed between the sliding housing, the limiting housing and the main housing, and the elastic member is disposed in the accommodating area.
  • the elastic parts are springs, complete or incomplete cylindrical elastic blocks or elastic parts; the incomplete cylindrical elastic blocks include grid-shaped cylindrical elastic blocks, that is, openings in the complete cylindrical elastic blocks There are multiple meshes.
  • the main housing is provided with a body and a limiting convex ring 404, and the inner cavity is provided in the body; the limiting convex ring is provided adjacent to the first end of the body. As shown in Fig. 5.
  • An embedded groove is formed between the limiting convex ring and the first end; the positioning hole is opened in the limiting convex ring and communicates with the embedded groove, and the adapter seat is partially inserted into the embedded groove and can be positioned relative to the embedded groove.
  • the part of the bead protruding out of the positioning hole is located in the embedded groove; the sliding housing is provided with a resisting portion 210 protruding toward the inner cavity, and a receiving area is formed between the resisting portion, the limiting housing and the body.
  • the elastic member is arranged in the accommodating area; the resisting portion is arranged to abut against the limiting convex ring under the elastic force of the elastic member, so that the sliding housing is limited between the limiting housing and the adapter seat. Further, the main housing is provided with a force-bearing plane 406 on the body to facilitate force application.
  • the limiting elastic member of the accommodation area is used to maintain the position after assembly; on the other hand, the embedded groove is used to cooperate with the positioning hole and the sliding shell to jointly limit the position of the bead, so that it can be in contact with the adapter seat. and phase separation state, thereby fixing or separating the main shell.
  • the main housing is provided with an external threaded portion 405 on the body, and the limiting housing is correspondingly provided with an internal threaded portion 310.
  • the limiting housing passes through the internal threaded portion and The external thread part is matched and screwed to the outside of the main housing.
  • the limiting housing is provided with a limiting structure 330 , and the limiting structure is configured to limit the sliding limit position of the sliding housing.
  • the gripper is provided with a connected connecting section 650 and a gripping section 660.
  • the end of the gripping section away from the connecting section is larger than the connecting section, so that the gripping piece forms a corresponding Two ends of different sizes; with reference to Figure 9, this embodiment also includes a rubber ring 630 disposed in the gripper and adjacent to the inner cavity.
  • the rubber ring is provided with cable holes, and the outer walls of the rubber ring are respectively connected with The connecting section and the grasping section are in contact, and the rubber ring extends outward along the circumferential wall to form a chamfered structure 632 on the end surface of the connecting section.
  • a chamfered structure is formed on the inner wall of the connecting section that is suitable for the chamfered structure.
  • the chamfered groove 640 is provided; the gripping section includes at least three gripping bars 670 arranged at intervals.
  • the gripping bars are configured to tightly grip the rubber ring when the locking shell is installed, so that the cable hole can be retracted. Seal incoming cables.
  • the chamfered structure formed on the end surface of the rubber ring is inserted into the chamfered groove and grasped and connected by the gripping strip on the gripping section; the end surfaces of the rubber ring and the gripping piece are connected through a chamfered inlay structure to ensure that the two are connected.
  • the waterproofness meets the requirements of waterproof and dustproof.
  • the gripping section is subjected to an inward extrusion force and shrinks and deforms toward the axis, tightly gripping the rubber ring and realizing the inner wall of the gripping piece and the rubber
  • the access cable at the second end of the main housing is sealed relative to the inner cavity.
  • the rubber ring tightly clamps the cable, and the multi-channel waterproof design greatly increases the waterproof level of the locked connection structure and has a long service life.
  • the waterproof and dustproof effect must be achieved with a rubber ring.
  • the rubber ring can be purchased directly, or the rubber ring can be easily processed to be used in embodiments without a rubber ring. , therefore the embodiment of the present application without a rubber ring should not be considered to be unimplementable.
  • the cable is inserted into the inner cavity from the locking housing.
  • the second sealing ring seals the inner wall of the locking housing and the main housing.
  • the outer wall of the third sealing ring seals the inner wall of the main housing and the outer wall of the gripping piece.
  • the inner wall of the gripping piece and the outer wall of the rubber ring achieve sealing under the cooperation of the gripping bar, the locking housing and the main housing.
  • the inner wall of the rubber ring and the outer wall of the cable are also sealed by the cooperation of the gripping bar, the locking shell and the main shell.
  • the adapter seat can usually be installed in the external environment to be connected first, and then the cable connection structure of the access cable or the rest of the cable waterproof connector except the adapter seat can be used as As a whole, the fixed connection can be quickly completed by aligning the embedded grooves and inserting the mounting ears, thereby realizing quick locking of the adapter base and the main shell.
  • the clamping beads are no longer in close contact with the sliding housing and can create a gap with the hanging ear from the embedded groove. It is no longer in contact with the mounting ear, especially in close contact.
  • the housing and other structures attached to the main housing are integrally separated from the adapter seat. It has realized an end sealing protection device that can be applied to connectors of communication, power, and communication cable assemblies. After experimental testing, it can meet the sealing protection requirements, such as meeting the IP68 level sealing protection requirements. It has excellent waterproof and dustproof performance and is quick to install. Wide range of use.
  • the waterproof cable connector of this application does not need to change the processing technology of existing various communications, communication, power outdoor cables and other components. The relevant cable components that need to be used can be processed in advance. During construction, the waterproof cable connector of this application can be directly used. Just install it.
  • the cable connection structure or the cable waterproof connector is used as a cable end sealing protection device such as a jumper end sealing protection device.
  • a cable end sealing protection device such as a jumper end sealing protection device.
  • the main shell is a hollow cylindrical structure, and its second end is screwed to the locking shell; the adapter seat is installed at the equipment port, and the other end is adapted to the first end of the main shell, which is used to adjust the first end of the main shell. end is sealed.
  • the gripping piece is an annular hollow structure.
  • the gripping piece is provided with a connecting section and a gripping section of an integrated structure.
  • the gripping section is an annular structure composed of multiple gripping bars.
  • the free end surface of the gripping bar is an inclined plane. The cooperation of the inclined surfaces provided on the inner wall of the locking housing generates a tightening force on the gripping part.
  • the gripping piece When connected, the gripping piece is internally connected to the second end through the connecting section; at least one rubber ring is provided on the side wall of the connecting section for waterproofing and tight fit between the gripping piece and the main shell, thereby enhancing the protection level. effect.
  • the rubber ring is embedded in the gripping section; the inner wall of the locking housing is provided with an internal thread section connected to the second end, and the inner wall of the locking housing behind the internal thread section is provided with an inclined surface with a gradually narrowing radius, and After being connected, it corresponds to the position of the gripping section; the gripping piece, rubber ring and locking shell are all equipped with structures for cables to penetrate; the rubber ring is a cylindrical structure, and there is a strip on the cylindrical wall to facilitate the accommodation of cables. in the disconnection gap of the cable hole; when connecting, the cable passes through the locking housing, rubber ring and gripping piece to the first end, gradually tightens the locking housing, and makes the gripping bar inward through the inclined surface Tighten the rubber ring to lock the cable.
  • the position of the cable can be fixed.
  • the fastening force exerted on the rubber ring by the strip-shaped gripping strips of the ring-shaped hollow structure gripper causes the rubber ring to shrink in the radial direction, thus causing damage to the cable.
  • the tightening force limits the axial sliding of the cable in the cable hole and achieves fastening and waterproofing effects.
  • the cable uses an adapter seat to form an integral seal and is then installed on the equipment port to meet the jumper end of the entire optical cable assembly. Requirements for the protection level of the internal sealing protection device.
  • a first sealing ring is provided at the first end to strengthen the sealing of the connection between the adapter seat and the main housing.
  • at least one second sealing ring is provided on the main housing for sealing between the inner wall of the locking housing and the main housing.
  • At least a third sealing ring is provided on the outer wall of the connecting section of the gripping member, and the connecting section is closely connected to the inner wall of the second end through the third sealing ring.
  • the free end of the gripping bar of the gripping member is provided with an inclined surface that matches the inclined surface on the inner wall of the locking housing.
  • the inner wall of the locking housing is sequentially provided with an inclined surface that matches the inclined surface on the gripping bar along the connecting direction, and a threaded section that is threadedly connected to the main housing; the gripping piece with the rubber ring is inserted into the locking housing.
  • the extrusion of the sealing ring meets the protection requirements for the connection between the locking housing and the main housing; and the locking housing then generates a tightening force on the gripping part through the action of its inclined surface.
  • the gripping piece is fastened to the tapered inner wall at the second end of the main housing through a rubber ring; the tapered inner wall of the main housing squeezes the rubber ring to achieve the connection between the main housing and the gripping piece. Waterproof and dustproof requirements.
  • At least one set of embedded grooves is provided at the first end, and a set of positioning holes are provided outside the embedded grooves; the positioning holes are tapered holes or table-shaped holes. Corresponding sliding beads are inserted into the corresponding positioning holes; one end of the bottom of the corresponding adapter base is provided with a circle of embedded grooves; the corresponding bottom plane of the adapter base is provided with corresponding external mounting holes; and the other end of the corresponding adapter base is provided with at least one set of embedded protruding hangers.
  • the mounting ears corresponding to the adapter base are equipped with at least this set of mounting ear slots; when connecting, fill the outer mounting groove of the adapter base with the first sealing ring, and install the adapter base on the device end through the outer mounting hole of the adapter base On the end face that needs to be protected, after connecting the cables, pull down the sliding housing to the limit structure, align the embedded groove with the hanging ear, and insert it. Release the sliding housing. The elastic member pushes the sliding housing to close the positioning hole, and the bead is inserted. Mounting ear slots complete the connection and fixation.
  • the hanging lugs on the adapter seat engage with the embedded grooves on the main housing, and at the same time, the inner wall of the adapter seat squeezes the first sealing ring on the main housing to meet the adaptation requirements.
  • Waterproof and dustproof requirements for the connection between the base and the main housing with an embedded groove push the sliding housing through the elastic member and slide it along the connection direction to the adapter seat, squeeze the bead through the first end of the sliding housing at an angle Use the guide to insert the clamping beads into the mounting ear grooves of the adapter base.

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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
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Abstract

一种线缆连接结构及线缆防水连接器，线缆防水连接器包括主壳体（400）及装配于主壳体（400）上的适配座（100）、滑动壳体（200）、锁紧壳体（500）、抓持件（600）、限位壳体（300）、弹性件（800）及卡珠（700），主壳体（400）具有贯通适配座（100）至锁紧壳体（500）的内腔（420）以穿设线缆；限位壳体（300）固定于主壳体（400）外，滑动壳体（200）滑动设置于主壳体（400）外且限位于限位壳体（300）及适配座（100）之间；弹性件（800）分别抵接滑动壳体（200）及限位壳体（300），弹性件（800）设置为向滑动壳体（200）施加远离限位壳体（300）的弹性力；主壳体（400）开设有定位孔（409），卡珠（700）在抵接滑动壳体（200）的状态下，部分位于定位孔（409）中与主壳体（400）相抵接，部分凸出于定位孔（409）外且具有与适配座（100）相抵接的状态及相分离的状态。

Description

线缆连接结构及线缆防水连接器 技术领域
本申请涉及线缆防水连接领域，特别是涉及线缆防水连接器。
背景技术
传统线缆外壳防护方式采用的是一种通用的跳线端部密封保护装置，和相应规格的电缆之间必须一一对应，这样加大了运输成本、生产成本，同时现场安装也不方便。且其设备端口端固定适配座端口通用性差，安装设备后跳线端保护装置并排安装困难，现场施工端使用时安装对施工方的数量精确度要求较高。公布号为CN106405769A的中国专利申请，公开了一种室外光缆组件的跳线端部密封保护装置，其主要关注点在于主壳体连接光缆端的密封防水设计。
发明内容
根据本申请的各种实施例，提供一种线缆连接结构及线缆防水连接器。
一种线缆防水连接器，包括主壳体及装配于主壳体上的适配座、滑动壳体及锁紧壳体，且主壳体具有贯通适配座至锁紧壳体的内腔以穿设线缆；线缆防水连接器还包括限位壳体、弹性件及卡珠；限位壳体固定于主壳体外，滑动壳体滑动设置于主壳体外且限位于限位壳体及适配座之间；弹性件套置于主壳体外且分别抵接滑动壳体及限位壳体，弹性件设置为向滑动壳体施加远离限位壳体的弹性力；主壳体开设有定位孔，卡珠设置为在抵接滑动壳体的状态下，部分位于定位孔中与主壳体相抵接，部分凸出于定位孔外且具有与适配座相抵接的状态及相分离的状态。
上述线缆防水连接器，在保证防水作用的同时，一方面对适配座连接方式进行了改进，通过卡珠、定位孔及适配座的配合，实现了适配座与主壳体的锁定或分离，不改变现有各类线缆及其组件的加工工艺，因此在不影响现有设备端口情况下通用性更强；另一方面通过滑动壳体、弹性件及限位壳体的配合，实现了卡珠相对于适配座的位置控制，因此可快速安装使用，降低了施工方技能熟练度要求，可靠性强；再一方面由于结构简单、装配方便，从而降低了线缆组件密封成本。
附图说明
图1为本申请所述线缆防水连接器一实施例的结构示意图。
图2为图1所示实施例的另一方向示意图。
图3为图2所示实施例的A-A方向剖视示意图。
图4为图3所示实施例的B位置放大示意图。
图5为本申请所述线缆防水连接器另一实施例的滑动壳体滑动示意图。
图6为图1所示实施例的分解示意图。
图7为图6所示实施例的另一方向示意图。
图8为图6所示实施例的另一方向示意图。
图9为本申请所述线缆防水连接器另一实施例的剖视示意图。
图10为本申请所述线缆防水连接器另一实施例应用于连接线缆的示意图。
图11为图10所示实施例的B-B方向剖视示意图。
图12为本申请所述线缆防水连接器另一实施例应用于连接线缆的剖视示意图。
具体实施方式
为了便于理解本申请，下面将参照相关附图对本申请进行更全面的描述。附图中给出了本申请的较佳实施例。但是，本申请并不限于本文所描述的实施例。相反地，提供这些实施例的目的是使对本申请的公开内容的理解更加透彻全面。
本申请公开了一种线缆连接结构及线缆防水连接器，其包括以下实施例的部分结构或全部结构；即，所述线缆连接结构或线缆防水连接器包括以下的部分技术特征或全部技术特征。在本申请一个实施例中，一种线缆连接结构包括主壳体及装配于主壳体上的滑动壳体、限位壳体、弹性件及卡珠，且主壳体具有内腔以穿设线缆，主壳体的第一端设置为连接适配座；限位壳体固定于主壳体外，滑动壳体滑动设置于主壳体外且位于限位壳体及适配座之间；弹性件套置于主壳体外且分别抵接滑动壳体及限位壳体，弹性件设置为向滑动壳体施加远离限位壳体的弹性力；主壳体开设有定位孔，卡珠设置为在抵接滑动壳体的状态下，部分位于定位孔中与主壳体相抵接，部分凸出于定位孔外且具有与适配座相抵接的状态及相分离的状态。一些实施例中，线缆防水连接器包括任一实施例所述线缆连接结构。
一种线缆防水连接器如图1及图6所示，其包括主壳体400及装配于主壳体上的适配座100、滑动壳体200、限位壳体300及锁紧壳体500，本实施例中，线缆防水连接器还包括抓持件600；结合图2及图3，主壳体具有贯通适配座至锁紧壳体的内腔420；结合图11，内腔设置为穿设线缆。如图2及图3所示，线缆防水连接器还包括弹性件800及卡珠700；限位壳体固定于主壳体外，滑动壳体滑动设置于主壳体外且限位于限位壳体及适配座之间，即滑动壳体只能在限位壳体及适配座之间受控滑动；弹性件套置于主壳体外且分别抵接滑动壳体及限位壳体，弹性件设置为向滑动壳体施加远离限位壳体的弹性力，即在弹性件的作用下滑动壳体自动滑向适配座直至被主壳体或适配座所阻挡。
如图4所示，主壳体开设有定位孔409，卡珠设置为在抵接滑动壳体的状态下，部分位于定位孔中与主壳体相抵接，部分凸出于定位孔外且具有与适配座相抵接的状态及相分离的状态；即定位孔不能完全容纳卡珠，卡珠一部分抵接滑动壳体，一部分卡住适配座以使适配座不能上下移动；本实施例中，卡珠还卡在定位孔中，不能从定位孔中完全进入主壳体的用于容纳适配座的内嵌槽408中，以免阻碍适配座的安装。这样的设计，卡珠凸出于定位孔外的部分，与适配座相抵接的状态下，主壳体与适配座相固定，该部分与适配座相分离的状态下，主壳体可从适配座拆除，即两者相分离；因此在保证防水作用的同时，具有结构简单、装配方便的优点，且通过滑动壳体、弹性件及限位壳体的配合，实现了卡珠相对于适配座的位置控制，因此可快速安装使用，降低了施工方技能熟练度要求，可靠性强。
在其中一个实施例中，如图5及图7所示，主壳体开设有内嵌槽，定位孔连通内嵌槽，适配座部分插设于内嵌槽中且相对于内嵌槽可转动设置，卡珠凸出于定位孔外的部分位于内嵌槽中。这样的设计，一方面有利于定位装配主壳体于适配座，且保障密封效果，另一方面有利于控制卡珠的位置，使其最多仅有一部分位于内嵌槽中，且在分离主壳体及适配座时，卡珠能够大部分乃至全部离开内嵌槽，以免阻碍主壳体及适配座相分离。
在其中一个实施例中，如图6及图7所示，适配座设有挂耳102，挂耳开设有与卡珠形状相适配的挂耳槽104，结合图8，适配座开设有与挂耳槽相邻的避让位106；卡珠设置为在抵接滑动壳体的状态下，部分凸出于定位孔外且于挂耳槽处与挂耳相抵接，或处于避让位中。本实施例中，结合图8，适配座设有两个挂耳，两个挂耳之间形成了避让位，且两个挂耳之间的左右两侧分别形成了一个避让位，即共有两个避让位。这样的设计，如图3及图4所示，卡珠一部分抵接滑动壳体，另一部分于定位孔中抵接主壳体或其本体403，其余部分凸出于定位孔外且位于内嵌槽中，并与挂耳相抵接，以使主壳体固定于适配座；结合图8，主壳体及其余结构相对于适配座转动，卡珠凸出于定位孔外且位于内嵌槽中的部分与挂耳相分离，即该部分位于避让位中，此状态下主壳体可与适配座相分离，同时安装于主壳体上的滑动壳体及限位壳体亦随之与适配座相分离，锁紧壳体与抓持件在 未连接线缆的状态下，亦随主壳体与适配座相分离，或者锁紧壳体与抓持件在松开线缆的状态下，亦随主壳体与适配座相分离。进一步地，适配座设有座体101，且于座体开设有外装槽103及外装孔105，挂耳凸设于座体上，避让位形成于座体及挂耳之间，座体通过外装孔安装于外部环境，外装槽用于装设密封圈以使座体与外部环境相对密封。这样的设计，在保证防水作用的同时，通过卡珠、定位孔及适配座的配合，实现了适配座与主壳体的锁定或分离，完全不改变现有各类线缆及其组件的加工工艺，因此在不影响现有设备端口情况下，具有更强的通用性。
在其中一个实施例中，如图7所示，挂耳槽与避让位相通以使卡珠从挂耳槽进入避让位；这样在相对转动状态下，卡珠可以从挂耳槽直接转到避让位，即从与挂耳相抵接的状态转换为与挂耳脱离接触的状态，从而分离主壳体及适配座。或者，挂耳于挂耳槽两端设有凸出部以使挂耳槽与避让位相隔离，即主壳体必须配合滑动壳体下滑才能完全松开，且滑动壳体下滑到一定位置不再抵接卡珠时，主壳体相对于适配座具有向下的作用力，以使适配座对卡珠产生推力，卡珠发生位置变化且离开内嵌槽，主壳体才能松开适配座。通过卡珠相对于适配座的位置控制，因此可快速安装使用，降低了施工方技能熟练度要求，可靠性强，而且结构简单、装配方便，在一定程度上降低了线缆组件密封成本。
在其中一个实施例中，卡珠的数量为N个，定位孔及挂耳的数量均为至少N个；其中，N为自然数。在其中一个实施例中，卡珠的数量为1个、2个、3个或4个等，以此类推。在其中一个实施例中，相邻两个挂耳之间形成有避让位；定位孔及挂耳的数量相同，且N大于等于2；及/或，各定位孔及各挂耳均呈中心对称分布。在其中一个实施例中，各个定位孔相对于主壳体轴线的某一点呈中心对称分布，各个挂耳相对于主壳体轴线的某一点呈中心对称分布。在其中一个实施例中，如图8所示，卡珠、定位孔及挂耳的数量均为2个。
进一步地，在其中一个实施例中，如图8所示，适配座具有装配位置130；卡珠凸出于定位孔外的部分，具有与装配位置相抵接的状态及相分离的状态。进一步地，装配位置包括挂耳及避让位，卡珠凸出于定位孔外的部分，具有与挂耳相抵接的状态以及与避让位相分离的状态；即，卡珠凸出于定位孔外的部分抵接挂耳或其挂耳槽时，主壳体与适配座相固定；该部分不再抵接挂耳或其挂耳槽，而是位于避让位时，卡珠处于与适配座相分离的状态，主壳体可从适配座拆除。进一步地，卡珠凸出于定位孔外的部分，于主壳体的径向平面的投影，被装配位置于主壳体的径向平面的投影所覆盖，即为卡珠部分凸出于定位孔外且位于适配座的装配位置的轮廓之内。卡珠与适配座的相对位置变化，形成了主壳体与适配座的相对固定状态以及相对松脱状态。
在其中一个实施例中，卡珠还设置为在未抵接滑动壳体的状态下，从适配座的轮廓向定位孔移动以脱离适配座的轮廓。轮廓为适配座的装配位置的轮廓。进一步地，主壳体于定位孔内壁设有弹性部，弹性部设置为受力发生弹性形变以产生朝向远离内腔的弹性力，以使卡珠在挂耳作用力消失的状态下，受到弹性部的弹性力，以远离内腔的方向离开定位孔。进一步地，定位孔为圆柱形孔，卡珠设置为位于定位孔中与主壳体相抵接，且与滑动壳体的弹性部相抵接，以弹性挤出卡珠，避免卡住主壳体而影响适配座与主壳体相分离。这样的设计，有利于在需要使主壳体与适配座相分离，即拆出主壳体或适配座时，避免由于卡珠过于卡紧而无法使主壳体与适配座相分离。
在其中一个实施例中，卡珠于定位孔中可滚动设置。在其中一个实施例中，卡珠的形状包括至少部分球形、至少部分椭球形、圆锥形、圆台形、圆柱形及棱数大于5的棱柱形中的至少一项。这样的设计，有利于在将主壳体从适配座拆出时，确保卡珠可以脱离与适配座相抵接的状态，使得卡珠离开主壳体的内嵌槽，从而使主壳体与适配座相分离。
在其中一个实施例中，如图5所示，定位孔的形状与卡珠相适配；并且于主壳体的径向，定位孔邻近内腔处的截面积小于卡珠的最大截面积，以使卡珠至少部分挡设于定位孔 中，即定位孔设置为限制卡珠位于主壳体的内嵌槽中的体积或者凸出程度，避免卡珠过多地凸入内嵌槽而影响拆出适配座。本实施例中，主壳体或其内腔具有圆柱体或者圆筒体的形态，因此具有轴向、径向及周向；且基于圆柱体或者圆筒体的形态还额外具有其他结构及形态，具体如图3、图7及图8所示。
在其中一个实施例中，如图5所示，滑动壳体于其远离限位壳体的端部延伸设有引导部250，且引导部设置为避免卡珠完全脱离定位孔，还可在朝向适配座移动接触卡珠的状态下，对卡珠施加朝向内腔的导向力。在其中一个实施例中，引导部缩窄设置，以使滑动壳体于引导部形成导向斜面260；导向斜面设置为在朝向适配座移动经过定位孔的状态下，对卡珠施加朝向内腔的导向力；导向斜面还设置为在滑动壳体远离适配座滑动的状态下，配合定位孔形成容纳卡珠的空间，以使卡珠形成与适配座相分离的状态且避免卡珠完全脱离定位孔。进一步地，滑动壳体的外壁设有凹凸纹240以便于受力控制滑动，通过凹凸纹增强滑动摩擦系数，便于用户对滑动壳体进行施力。如图7及图8所示，主壳体邻近适配座的第一端，大于其邻近锁紧壳体的第二端，以使滑动壳体、弹性件及限位壳体从第二端向第一端顺序装配。先顺序将滑动壳体、弹性件及限位壳体从主壳体的第二端402套设于本体外，然后向粗于第二端的第一端401移动，其中，主壳体或其本体具有第一端及第二端；滑动壳体或其引导部邻近定位孔时，向定位孔中装入卡珠，锁紧限位壳体滑动壳体在弹性件的作用下继续向第一端移动，一方面锁定卡珠的位置，另一方面使得卡珠部分凸出至内嵌槽中抵接适配座以使主壳体及适配座相对固定；再拧紧限位壳体，在弹性件的作用下，滑动壳体抵接主壳体及/或适配座，封闭定位孔以限制卡珠脱出。在需要使主壳体及适配座相分离时，滑动壳体受到牵引力F向下压缩弹性件，适当牵拉主壳体，在适配座的作用力下卡珠朝向引导部，且受限于引导部及导向斜面而无法全部脱出定位孔，因此可以在使用中及拆装中有效地控制卡珠的位置。
在其中一个实施例中，主壳体的本体、第一端及第二端分别具有预设外形；如图3至图9所示，预设外形包括但不限于圆筒形与圆台形，以及在圆筒形或圆台形的基础上进行结构增减而得到的形状。如图7所示，适配座开设有第一安装腔120，滑动壳体开设有第二安装腔220，限位壳体开设有第三安装腔320，锁紧壳体开设有第五安装腔520，抓持件开设有第六安装腔620；结合图3及图9，第一安装腔的形状与第一端的预设外形相匹配，第一端嵌设于第一安装腔中；第二安装腔及第三安装腔的形状与本体的预设外形相匹配，本体至少部分嵌设于第二安装腔及第三安装腔中；第五安装腔的形状与第二端的预设外形相匹配，第二端及抓持件均嵌设于第五安装腔中；第六安装腔连通内腔，以使内腔贯通抓持件及锁紧壳体。进一步地，如图6所示，锁紧壳体开设有穿孔510，内腔连通穿孔例如通过第六安装腔连通穿孔，即内腔通过穿孔实现整体贯通。线缆例如光纤穿过穿孔进入内腔。一方面形成了紧凑的防水结构，另一方面具有结构简单、装配方便的优点，完全不需要改变现有各类线缆及其组件的加工工艺，从而降低了线缆组件密封成本。
在其中一个实施例中，如图4及图7所示，主壳体于第一端开设有密封槽407，本实施例还包括第一密封圈110、第二密封圈410及第三密封圈610，第一密封圈部分套设于密封槽中，部分于内嵌槽中抵接适配座以使内腔及内嵌槽相对密封；主壳体于本体或其第二端开设有第二密封槽，第二密封圈部分套设于第二密封槽中，部分抵接锁紧壳体以使锁紧壳体及本体相对密封；抓持件或其连接段650开设有第三密封槽，第三密封圈部分套设于第二密封槽中，部分抵接本体或其第二端的内壁，以使抓持件及本体相对密封。
在其中一个实施例中，如图4及图5所示，滑动壳体、限位壳体及主壳体之间形成有容纳区230，弹性件设置于容纳区中。弹性件为弹簧、完整或非完整的圆筒形弹性块或者弹性制件等；非完整的圆筒形弹性块包括网格状的圆筒形弹性块，即在完整的圆筒形弹性块开设有多个网孔。在其中一个实施例中，如图4及图7所示，主壳体设有本体及限位凸环404，内腔设置于本体中；限位凸环邻近本体的第一端设置，结合图5，限位凸环与第 一端之间形成内嵌槽；定位孔开设于限位凸环中且连通内嵌槽，适配座部分插设于内嵌槽中且相对于内嵌槽可转动设置，卡珠凸出于定位孔外的部分位于内嵌槽中；滑动壳体朝向内腔凸设有抵持部210，且抵持部、限位壳体及本体之间形成容纳区，弹性件设置于容纳区中；抵持部设置为在受到弹性件弹性力的状态下，与限位凸环相抵接，以使滑动壳体限位于限位壳体及适配座之间。进一步地，主壳体于本体上设有受力平面406以便于施力。一方面采用容纳区限位弹性件，使其在装配后保持位置；另一方面采用内嵌槽配合定位孔及滑动壳体共同限定卡珠的位置，使其具有与适配座相抵接的状态及相分离的状态，从而固定或分离主壳体。
在其中一个实施例中，如图4及图7所示，主壳体于本体上设有外螺纹部405，限位壳体对应设有内螺纹部310，限位壳体通过内螺纹部及外螺纹部的配合，螺接固定于主壳体外。在其中一个实施例中，结合图5，限位壳体凸设有限位结构330，限位结构设置为限制滑动壳体的滑动极限位置。
在其中一个实施例中，如图7所示，抓持件设有相连的连接段650及抓持段660，抓持段的远离连接段的端部大于连接段，以使抓持件形成相异大小的两端；结合图9，本实施例还包括设置于抓持件中且与内腔相邻的橡胶圈630，结合图12，橡胶圈开设有线缆孔，橡胶圈的外壁分别与连接段及抓持段相抵接，且橡胶圈于其抵接连接段的端面上沿着圆周壁向外延伸形成倒角结构632；结合图3，连接段的内壁上形成与倒角结构相适配的倒角槽640；抓持段包括至少三个间隔设置的抓持条670，抓持条设置为在安装锁紧壳体的状态下紧密抓持橡胶圈，以使线缆孔内缩而密封所接入的线缆。连接时，橡胶圈端面上形成的倒角结构插入倒角槽中，并通过抓持段上的抓持条抓持连接；橡胶圈与抓持件的端面通过倒角镶嵌结构保证两者连接的防水性达到防水防尘的要求。例如在螺接锁紧壳体及主壳体且锁紧的状态下，抓持段受到向内挤压力，朝向轴线发生内缩形变，紧密抓持橡胶圈且实现抓持件的内壁及橡胶圈的外壁之间的密封；同时橡胶圈受到挤压，线缆孔朝向轴线发生内缩形变，从而实现橡胶圈的内壁及线缆的外壁之间的密封。这样实现了主壳体的第二端处接入线缆相对于内腔的密封。使用时，只需根据线缆外径的大小，调整橡胶圈中部的线缆孔尺寸即可，安装方便。同时由于上述抓持结构使得橡胶圈紧紧箍住线缆，加上多道防水设计，使得锁紧后的连接结构的防水等级大大增加，而且使用寿命长。需要说明的是，对于未设置橡胶圈的实施例，防水防尘效果须配合橡胶圈而实现，可直接购买获得橡胶圈，亦可方便地加工得到橡胶圈以应用于未配置橡胶圈的实施例，因此本申请未配置橡胶圈的实施例不应被认为是无法实施的。
在其中一个实施例中，如图10及图11所示，线缆从锁紧壳体插入内腔中，结合图9及图12，第二密封圈密封锁紧壳体的内壁及主壳体的外壁，第三密封圈密封主壳体的内壁及抓持件的外壁，抓持件的内壁及橡胶圈的外壁在抓持条、锁紧壳体及主壳体的配合作用下实现密封，橡胶圈的内壁及线缆的外壁亦在抓持条、锁紧壳体及主壳体的配合作用下实现密封。
在其中一个实施例中，通常可以先将适配座安装于待连接的外部环境，然后将接入线缆的线缆连接结构或线缆防水连接器的除了适配座之外的其余部分作为一个整体，将内嵌槽对准插入挂耳即可快速完成固定连接，从而实现了适配座与主壳体的快速锁定。当需要拆开时，只需向滑动壳体施加牵引力F，当滑动壳体下滑至一定位置时，卡珠不再紧密抵接滑动壳体而能够从内嵌槽中与挂耳产生间隙，从而不再与挂耳相抵接尤其是紧密抵接，此时可从受力平面406施力，使主壳体相对适配座转动，直至卡珠离开挂耳槽而处于避让位中，此时主壳体及附着于主壳体的其他结构整体与适配座相分离。实现了可应用于通信、电力、通讯线缆组件连接器的端部密封保护装置，经实验测试能够满足密封防护要求，例如满足IP68等级的密封防护要求，防水防尘性能优，且安装快捷，使用范围广。本申请线缆防水连接器无需改变现有各类通讯、通信、电力户外线缆等组件的加工工艺，可以提 前加工好需要使用的相关线缆组件，施工时将本申请线缆防水连接器直接装上即可。
在其中一个实施例中，线缆连接结构或线缆防水连接器用作线缆端部密封保护装置例如跳线端部密封保护装置。下面结合图1至图12，继续示例说明线缆防水连接器的结构及功能。滑动壳体在下拉时不会越过限位壳体，同时通过弹性件弹力推动滑动壳体往前推动复位，通过滑动壳体引导部呈斜角的导向斜面挤压对卡珠导向将卡珠卡入适配座的挂耳槽内，快速安装固定。
主壳体为中空的圆柱状结构，其第二端与锁紧壳体螺接；适配座安装在设备端口，另一端适配主壳体的第一端，用于对主壳体第一端进行密封。抓持件为环形中空结构，抓持件设有一体结构的连接段和抓持段，抓持段为多条抓持条组成的环形结构，抓持条的自由端面为一斜面，通过斜面与锁紧壳体的内壁上设有的倾斜面的配合，对抓持件产生紧固力。相连时抓持件通过连接段与第二端内接；连接段的侧壁上设有至少一道橡胶圈，用于抓持件与主壳体的连接防水和紧密配合，起到加强防护等级的作用。
橡胶圈嵌于抓持段内；锁紧壳体内壁上设有与第二端相连的内螺纹段，内螺纹段向后的锁紧壳体内壁上设有半径逐渐收窄的倾斜面，且相连后与抓持段位置对应；抓持件、橡胶圈和锁紧壳体上都设有供线缆贯穿的结构；橡胶圈为圆柱状结构，且圆柱壁上设有一条便于将线缆容纳于线缆孔的断开间隙；连接时，线缆穿过锁紧壳体、橡胶圈和抓持件至第一端，逐步旋紧锁紧壳体，并通过倾斜面使抓持条向内收紧橡胶圈，从而锁紧线缆。这样，橡胶圈锁紧后可以固定线缆的位置，通过环形中空结构的抓持件的条状抓持条对橡胶圈产生的紧固力，导致橡胶圈沿径向收缩，从而对线缆产生紧固力，限制线缆在线缆孔内轴向滑动，并达到紧固和防水的效果，线缆利用适配座形成整体密封件再安装在设备端口，以满足整个光缆组件的跳线端部密封保护装置的防护等级的要求。
为了提高防水性，在第一端处设有第一密封圈、用于加强对适配座与主壳体的连接部位进行密封。在锁紧壳体锁紧后与主壳体复合的区域段内，主壳体上至少设有一道第二密封圈，用于锁紧壳体的内壁与主壳体的密封。抓持件的连接段的外侧壁上设有至少一道第三密封圈，连接段通过第三密封圈与第二端内壁紧密相连。
为了提高锁紧时的灵敏度，抓持件的抓持条的自由端设有与锁紧壳体内壁上倾斜面相适配的斜面。锁紧壳体的内壁上沿连接方向依次设有与抓持条上的斜面相配合的倾斜面，以及与主壳体螺纹连接的螺纹段；抓持有橡胶圈的抓持件插入锁紧壳体时，锁紧壳体首先与主壳体螺纹连接，旋紧后，锁紧壳体的开口端覆盖住第二密封圈并超出第二密封圈；通过锁紧壳体的开口端对第二密封圈的挤压达到锁紧壳体与主壳体连接的防护要求；并且，锁紧壳体接着通过其倾斜面的作用，对抓持件产生紧固力。抓持件通过橡胶圈紧固于主壳体第二端带有锥度的内壁上；通过主壳体上的带有锥度的内壁对橡胶圈的挤压，从而达到主壳体与抓持件连接的防水防尘的要求。
为了提高密封装置安装快捷通用性，第一端设有至少一组内嵌槽，内嵌槽外侧设有一组定位孔；定位孔为锥形孔或台形孔。对应定位孔内配入对应滑动卡珠；对应适配座底部一端设有一圈内嵌槽；对应适配座底部平面设有相应外装孔；对应适配底座另一端至少设有一组嵌入凸出挂耳；对应适配座的挂耳至少设有这一组挂耳槽；相连时，将适配座外装槽填入第一密封圈，通过适配座的外装孔将适配座安装在设备端需要防护的端面上，连接好线缆后，下拉滑动壳体至限位结构处，内嵌槽对准挂耳插入，松开滑动壳体，弹性件推动滑动壳体封闭定位孔，卡珠嵌入挂耳槽，完成连接固定。
在其中一个实施例中，适配座上的挂耳与主壳体上的内嵌槽卡合，同时，适配座的内壁对主壳体上的第一密封圈进行挤压以满足适配座与主壳体的带有内嵌槽端连接的防水防尘要求；将滑动壳体经弹性件推动沿连接方向滑动至适配座，通过滑动壳体第一端斜角挤压对卡珠导向将卡珠卡入适配座的挂耳槽内。
需要说明的是，本申请的其它实施例还包括，上述各实施例中的技术特征相互组合所 形成的、能够实施的线缆防水连接器。只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。以上实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对申请专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (20)

  1. 一种线缆防水连接器，包括主壳体及装配于主壳体上的适配座、滑动壳体及锁紧壳体，且主壳体具有贯通适配座至锁紧壳体的内腔以穿设线缆；线缆防水连接器还包括限位壳体、弹性件及卡珠；限位壳体固定于主壳体外，滑动壳体滑动设置于主壳体外且限位于限位壳体及适配座之间；弹性件套置于主壳体外且分别抵接滑动壳体及限位壳体，弹性件设置为向滑动壳体施加远离限位壳体的弹性力；主壳体开设有定位孔，卡珠设置为在抵接滑动壳体的状态下，部分位于定位孔中与主壳体相抵接，部分凸出于定位孔外且具有与适配座相抵接的状态及相分离的状态。
  2. 根据权利要求1所述线缆防水连接器，适配座设有挂耳，挂耳开设有与卡珠形状相适配的挂耳槽，且适配座开设有与挂耳槽相邻的避让位；卡珠设置为在抵接滑动壳体的状态下，部分凸出于定位孔外且于挂耳槽处与挂耳相抵接，或处于避让位中；挂耳槽与避让位相通以使卡珠从挂耳槽进入避让位；或者挂耳于挂耳槽两端设有凸出部以使挂耳槽与避让位相隔离。
  3. 根据权利要求2所述线缆防水连接器，卡珠的数量为N个，定位孔及挂耳的数量均为至少N个；其中，N为自然数。
  4. 根据权利要求3所述线缆防水连接器，相邻两个挂耳之间形成有避让位；定位孔及挂耳的数量相同，且N大于等于2；及/或，各定位孔及各挂耳均呈中心对称分布。
  5. 根据权利要求1所述线缆防水连接器，卡珠还设置为在未抵接滑动壳体的状态下，从适配座的轮廓向定位孔移动以脱离适配座的轮廓。
  6. 根据权利要求1所述线缆防水连接器，卡珠于定位孔中可滚动设置，卡珠的形状包括至少部分球形、至少部分椭球形、圆锥形、圆台形、圆柱形及棱数大于5的棱柱形中的至少一项。
  7. 根据权利要求1所述线缆防水连接器，定位孔的形状与卡珠相适配；于主壳体的径向，定位孔邻近内腔处的截面积小于卡珠的最大截面积，以使卡珠至少部分挡设于定位孔中。
  8. 根据权利要求1所述线缆防水连接器，滑动壳体于其远离限位壳体的端部延伸设有引导部，且引导部在接触卡珠的状态下，对卡珠施加朝向内腔的导向力；引导部缩窄设置，以使滑动壳体于引导部形成导向斜面；导向斜面设置为在移动经过定位孔的状态下，对卡珠施加朝向内腔的导向力；导向斜面还设置为在滑动壳体远离适配座滑动的状态下，配合定位孔形成容纳卡珠的空间，以使卡珠形成与适配座相分离的状态且避免卡珠完全脱离定位孔。
  9. 根据权利要求1所述线缆防水连接器，还包括抓持件；主壳体邻近适配座的第一端，大于其邻近锁紧壳体的第二端，以使滑动壳体、弹性件及限位壳体从第二端向第一端顺序装配；主壳体的本体、第一端及第二端分别具有预设外形；适配座开设有第一安装腔，滑动壳体开设有第二安装腔，限位壳体开设有第三安装腔，锁紧壳体开设有第五安装腔，抓持件开设有第六安装腔；第一安装腔的形状与第一端的预设外形相匹配，第一端嵌设于第一安装腔中；第二安装腔及第三安装腔的形状与本体的预设外形相匹配，本体至少部分嵌设于第二安装腔及第三安装腔中；第五安装腔的形状与第二端的预设外形相匹配，第二端及抓持件均嵌设于第五安装腔中；第六安装腔连通内腔，以使内腔贯通抓持件及锁紧壳体。
  10. 根据权利要求9所述线缆防水连接器，主壳体于第一端开设有密封槽，线缆防水连接器还包括第一密封圈，第一密封圈部分套设于密封槽中，部分于内嵌槽中抵接适配座以使内腔及内嵌槽相对密封；线缆防水连接器还包括第二密封圈，主壳体于本体或其第二端开设有第二密封槽，第二密封圈部分套设于第二密封槽中，部分抵接锁紧壳体以使锁紧壳体及本体相对密封；线缆防水连接器还包括第三密封圈，抓持件或其连接段开设有第三 密封槽，第三密封圈部分套设于第二密封槽中，部分抵接本体或其第二端的内壁，以使抓持件及本体相对密封。
  11. 根据权利要求1所述线缆防水连接器，主壳体开设有内嵌槽，定位孔连通内嵌槽，适配座部分插设于内嵌槽中且相对于内嵌槽可转动设置，卡珠凸出于定位孔外的部分位于内嵌槽中。
  12. 根据权利要求1所述线缆防水连接器，滑动壳体、限位壳体及主壳体之间形成有容纳区，弹性件设置于容纳区中；主壳体设有本体及限位凸环，内腔设置于本体中；限位凸环邻近本体的第一端设置，且限位凸环与第一端之间形成内嵌槽；定位孔开设于限位凸环中且连通内嵌槽，适配座部分插设于内嵌槽中且相对于内嵌槽可转动设置，卡珠凸出于定位孔外的部分位于内嵌槽中；滑动壳体朝向内腔凸设有抵持部，抵持部、限位壳体及本体之间形成容纳区，抵持部设置为在受到弹性件弹性力的状态下，与限位凸环相抵接，以使滑动壳体限位于限位壳体及适配座之间。
  13. 根据权利要求1所述线缆防水连接器，主壳体于本体上设有外螺纹部，限位壳体对应设有内螺纹部，限位壳体通过内螺纹部及外螺纹部的配合，螺接固定于主壳体外；限位壳体凸设有限位结构，限位结构设置为限制滑动壳体的滑动极限位置；
    线缆防水连接器还包括抓持件及设置于抓持件中且与内腔相邻的橡胶圈，抓持件设有相连的连接段及抓持段，抓持段的远离连接段的端部大于连接段，以使抓持件形成相异大小的两端；橡胶圈开设有线缆孔，橡胶圈的外壁分别与连接段及抓持段相抵接，且橡胶圈于其抵接连接段的端面上沿着圆周壁向外延伸形成倒角结构；连接段的内壁上形成与倒角结构相适配的倒角槽；抓持段包括至少三个间隔设置的抓持条，抓持条设置为在安装锁紧壳体的状态下紧密抓持橡胶圈，以使线缆孔内缩而密封所接入的线缆。
  14. 一种线缆连接结构，包括主壳体及装配于主壳体上的滑动壳体、限位壳体、弹性件及卡珠，且主壳体具有内腔以穿设线缆，主壳体的第一端设置为连接适配座；
    限位壳体固定于主壳体外，滑动壳体滑动设置于主壳体外且位于限位壳体及适配座之间；
    弹性件套置于主壳体外且分别抵接滑动壳体及限位壳体，弹性件设置为向滑动壳体施加远离限位壳体的弹性力；
    主壳体开设有定位孔，卡珠设置为在抵接滑动壳体的状态下，部分位于定位孔中与主壳体相抵接，部分凸出于定位孔外且具有与适配座相抵接的状态及相分离的状态。
  15. 根据权利要求14所述线缆连接结构，适配座设有挂耳，挂耳开设有与卡珠形状相适配的挂耳槽，且适配座开设有与挂耳槽相邻的避让位；卡珠设置为在抵接滑动壳体的状态下，部分凸出于定位孔外且于挂耳槽处与挂耳相抵接，或处于避让位中；挂耳槽与避让位相通以使卡珠从挂耳槽进入避让位；或者挂耳于挂耳槽两端设有凸出部以使挂耳槽与避让位相隔离。
  16. 根据权利要求15所述线缆连接结构，卡珠的数量为N个，定位孔及挂耳的数量相同且均为至少N个，各定位孔及各挂耳均呈中心对称分布；其中，N为大于等于2的自然数。
  17. 根据权利要求14所述线缆连接结构，卡珠还设置为在未抵接滑动壳体的状态下，从适配座的轮廓向定位孔移动以脱离适配座的轮廓；
    卡珠于定位孔中可滚动设置，卡珠的形状包括至少部分球形、至少部分椭球形、圆锥形、圆台形、圆柱形及棱数大于5的棱柱形中的至少一项；
    定位孔的形状与卡珠相适配，且于主壳体的径向，定位孔邻近内腔处的截面积小于卡珠的最大截面积，以使卡珠至少部分挡设于定位孔中。
  18. 根据权利要求14所述线缆连接结构，滑动壳体于其远离限位壳体的端部延伸设有引导部，且引导部在接触卡珠的状态下，对卡珠施加朝向内腔的导向力；引导部缩窄设 置，以使滑动壳体于引导部形成导向斜面；导向斜面设置为在移动经过定位孔的状态下，对卡珠施加朝向内腔的导向力；导向斜面还设置为在滑动壳体远离适配座滑动的状态下，配合定位孔形成容纳卡珠的空间，以使卡珠形成与适配座相分离的状态且避免卡珠完全脱离定位孔；
    主壳体开设有内嵌槽，定位孔连通内嵌槽，适配座部分插设于内嵌槽中且相对于内嵌槽可转动设置，卡珠凸出于定位孔外的部分位于内嵌槽中；
    所述线缆连接结构还包括锁紧壳体及抓持件，锁紧壳体安装于主壳体的第二端且在第二端固定抓持件于内腔中，主壳体邻近适配座的第一端，大于其邻近锁紧壳体的第二端，以使滑动壳体、弹性件及限位壳体从第二端向第一端顺序装配；主壳体的本体、第一端及第二端分别具有预设外形；适配座开设有第一安装腔，滑动壳体开设有第二安装腔，限位壳体开设有第三安装腔，锁紧壳体开设有第五安装腔，抓持件开设有第六安装腔；第一安装腔的形状与第一端的预设外形相匹配，第一端嵌设于第一安装腔中；第二安装腔及第三安装腔的形状与本体的预设外形相匹配，本体至少部分嵌设于第二安装腔及第三安装腔中；第五安装腔的形状与第二端的预设外形相匹配，第二端及抓持件均嵌设于第五安装腔中；第六安装腔连通内腔，以使内腔贯通抓持件及锁紧壳体；
    主壳体于第一端开设有密封槽，线缆连接结构还包括第一密封圈，第一密封圈部分套设于密封槽中，部分于内嵌槽中抵接适配座以使内腔及内嵌槽相对密封；线缆连接结构还包括第二密封圈，主壳体于本体或其第二端开设有第二密封槽，第二密封圈部分套设于第二密封槽中，部分抵接锁紧壳体以使锁紧壳体及本体相对密封；线缆连接结构包括第三密封圈，抓持件或其连接段开设有第三密封槽，第三密封圈部分套设于第二密封槽中，部分抵接本体或其第二端的内壁，以使抓持件及本体相对密封；
    抓持件设有相连的连接段及抓持段，抓持段的远离连接段的端部大于连接段，以使抓持件形成相异大小的两端；线缆连接结构还包括设置于抓持件中且与内腔相邻的橡胶圈，橡胶圈开设有线缆孔，橡胶圈的外壁分别与连接段及抓持段相抵接，且橡胶圈于其抵接连接段的端面上沿着圆周壁向外延伸形成倒角结构；连接段的内壁上形成与倒角结构相适配的倒角槽；抓持段包括至少三个间隔设置的抓持条，抓持条设置为在安装锁紧壳体的状态下紧密抓持橡胶圈，以使线缆孔内缩而密封所接入的线缆；
    主壳体于本体上设有外螺纹部，限位壳体对应设有内螺纹部，限位壳体通过内螺纹部及外螺纹部的配合，螺接固定于主壳体外；限位壳体凸设有限位结构，限位结构设置为限制滑动壳体的滑动极限位置。
  19. 根据权利要求14所述线缆连接结构，滑动壳体、限位壳体及主壳体之间形成有容纳区，弹性件设置于容纳区中；主壳体设有本体及限位凸环，内腔设置于本体中；限位凸环邻近本体的第一端设置，且限位凸环与第一端之间形成内嵌槽；定位孔开设于限位凸环中且连通内嵌槽，适配座部分插设于内嵌槽中且相对于内嵌槽可转动设置，卡珠凸出于定位孔外的部分位于内嵌槽中；滑动壳体朝向内腔凸设有抵持部，抵持部、限位壳体及本体之间形成容纳区，抵持部设置为在受到弹性件弹性力的状态下，与限位凸环相抵接，以使滑动壳体限位于限位壳体及适配座之间。
  20. 一种线缆防水连接器，包括线缆连接结构；线缆连接结构包括主壳体及装配于主壳体上的滑动壳体、限位壳体、弹性件及卡珠，且主壳体具有内腔以穿设线缆，主壳体的第一端设置为连接适配座限位壳体固定于主壳体外，滑动壳体滑动设置于主壳体外且限位于限位壳体及适配座之间；
    弹性件套置于主壳体外且分别抵接滑动壳体及限位壳体，弹性件设置为向滑动壳体施加远离限位壳体的弹性力；主壳体开设有定位孔，卡珠设置为在抵接滑动壳体的状态下，部分位于定位孔中与主壳体相抵接，部分凸出于定位孔外且具有与适配座相抵接的状态及相分离的状态。
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