CN210926503U

CN210926503U - Waterproof joint

Info

Publication number: CN210926503U
Application number: CN201922499423.3U
Authority: CN
Inventors: 王渭国; 刘希长; 杜建富; 丁立功
Original assignee: Zhejiang Mingdu Chuangxin Electric Appliance Co ltd
Current assignee: Zhejiang Mingdu Chuangxin Electric Appliance Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-03
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a waterproof connector, including the plug, be used for the socket of grafting plug, all wear to be equipped with the electric wire in plug and the socket, the junction of plug and electric wire and the junction of socket and electric wire all the cladding have the packing rubber cover outward, the plug is equipped with first connecting piece outward, first connecting piece rotates to be connected in the plug, the socket is equipped with the second connecting piece outward, the second connecting piece rotates to be connected in the socket, first connecting piece threaded connection is in the second connecting piece, the plug is equipped with first locating part, the socket is equipped with the second locating part. When the waterproof connector is connected, the plug is embedded and tightly inserted into the socket, the first connecting piece is in threaded connection with the second connecting piece until the first connecting piece abuts against the first limiting piece which prevents the first connecting piece from slipping out outwards, and the second connecting piece abuts against the second limiting piece which prevents the second connecting piece from slipping out outwards, so that the plug and the socket are tightly connected and cannot be pulled out, and the tightness and the firmness of connection between the plug and the socket are improved.

Description

Waterproof joint

Technical Field

The utility model belongs to the technical field of the plug connector technique and specifically relates to a water joint is related to.

Background

The outdoor lamp string is one of outdoor lamps and mainly comprises a power line with a certain length and a plurality of lamp holder bases which are arranged on the power line and electrically connected to the power line, wherein the lamp holder bases are arranged on the power line at intervals.

The utility model discloses a patent of utility model No. CN209029594U, this patent disclose a water joint, plug and socket including mutually supporting the grafting, all wear to be equipped with the electric wire in plug and the socket, socket one end is kept away from to the plug and socket one end is kept away from to the socket one end and the socket all is equipped with sealed gum cover, two sealed gum cover wraps respectively in the junction of socket and electric wire and the junction of plug and electric wire, plug and socket are close to cable one end outer wall and all are equipped with the spiral rib that is used for increasing friction, the spiral rib is wrapped in sealed gum cover and is supported tightly in sealed gum cover. The sealing rubber sleeve is used for connecting the plug and the electric wire and the socket and the electric wire, so that the waterproof effect is better. The spiral rib can increase the area of contact between socket and the sealed gum cover to make the bonding that the sealed gum cover can be more stable install on socket and plug, and then improve the waterproof nature between power cord and the plug, between power cord and the socket.

The above prior art solutions have the following drawbacks: in the actual use process, the plug and the socket are connected only by plugging, and the connection is not firm.

SUMMERY OF THE UTILITY MODEL

To the not enough that prior art exists, one of the purposes of the utility model is to provide a firm in connection's water joint.

The above object of the present invention can be achieved by the following technical solutions:

a waterproof connector comprises a plug and a socket for plugging the plug, wherein electric wires are respectively arranged in the plug and the socket in a penetrating way, the connection part of the plug and the electric wire and the connection part of the socket and the electric wire are both coated with sealing rubber sleeves, the socket is provided with an embedding groove along the axial direction for embedding a plug, the cross section of the plug is circular, the plug is sleeved and is connected with a first connecting piece in a sliding way along the axial direction of the plug, the first connecting piece is rotationally connected with the plug, the socket is sleeved and is connected with a second connecting piece in a sliding way along the axial direction of the socket, the second connecting piece is rotationally connected with the socket, the first connecting piece is in threaded connection with the second connecting piece, the plug is fixedly provided with a first limiting piece used for preventing the first connecting piece from sliding out of the plug along the circumferential direction of the plug, the socket is fixedly provided with a second limiting piece used for preventing the second connecting piece from sliding out of the socket along the circumferential direction of the socket; when the first connecting piece is screwed on the second connecting piece, the first connecting piece abuts against the first limiting piece, and the second connecting piece abuts against the second limiting piece.

Through adopting above-mentioned technical scheme, when water joint connects, the plug inlays to establish and inserts tightly in the socket, with first connecting piece and second connecting piece threaded connection, until first connecting piece support tightly in the first locating part that prevents its outside roll-off, the second connecting piece supports tightly in the second locating part that prevents its outside roll-off, makes plug and socket tightly continuous, and can't pull out, has improved the inseparable degree and the firm degree that plug and socket are connected.

The present invention may be further configured in a preferred embodiment as: the plug is characterized in that the peripheral wall of the plug is fixedly provided with a positioning groove along the axial direction, the socket is correspondingly and fixedly provided with a positioning block, and the positioning block is embedded and is connected to the positioning groove in a sliding manner along the axial direction of the plug.

Through adopting above-mentioned technical scheme, when pegging graft the plug in the socket, through aim at the locating piece in the constant head tank, slide the plug along the direction of constant head tank, accuracy and convenience when having improved the plug and pegging graft.

The present invention may be further configured in a preferred embodiment as: the second connecting piece includes connecting portion and application of force portion, the connecting portion outer wall of second connecting piece is equipped with the external screw thread, first connecting piece includes sliding part and spacing portion, be equipped with the connecting portion that supplies the second connecting piece between sliding part and the plug and inlay the clearance of establishing, the internal thread has been seted up to the sliding part, works as first connecting piece screws up when the second connecting piece, the connecting portion of second connecting piece inlays to be located between the sliding part and the plug of first connecting piece, just the application of force portion butt of second connecting piece in the sliding part of first connecting piece.

By adopting the technical scheme, when the first connecting piece is connected with the second connecting piece, the connecting part of the second connecting piece is embedded in the gap between the first connecting piece and the plug and is in threaded connection with the first connecting piece, so that the joint of the plug and the socket is further protected.

The present invention may be further configured in a preferred embodiment as: the plug overcoat is equipped with the sealing washer, the sealing washer butt is in the one end of first locating part towards the second locating part.

Through adopting above-mentioned technical scheme, when the plug was inlayed and is located the socket, socket perisporium butt in the sealing washer, has improved the waterproof sealing effect of plug and socket junction.

The present invention may be further configured in a preferred embodiment as: when the first connecting piece is screwed to the second connecting piece, one end, facing the plug, of the socket abuts against the sealing ring.

Through adopting above-mentioned technical scheme, if operating personnel is when pegging graft the plug in the socket, fail to insert the plug jail, make the socket not support tightly in the sealing washer, but when through first connecting piece and second connecting piece threaded connection, drive the plug through first locating part towards the socket motion through first connecting piece, when first connecting piece screws up in the second connecting piece, the socket just in time supports tightly in the sealing washer, convenience and fault-tolerance when having improved the connection have improved the compactness that plug and socket are connected.

The present invention may be further configured in a preferred embodiment as: the friction strips are arranged outside the sliding portion of the first connecting piece and the force application portion of the second connecting portion and parallel to the axis of the plug, and the friction strips are arranged in a plurality of circumferential directions and are respectively arranged along the sliding portion of the first connecting piece and the force application portion of the second connecting portion.

Through adopting above-mentioned technical scheme, through the friction strip that sets up on first connecting piece and the second connecting piece, increased operating personnel and twisted the frictional force when moving first connecting piece and second connecting piece, twisted first connecting piece and second connecting piece more easily.

The present invention may be further configured in a preferred embodiment as: and friction grains are fixedly arranged on the sealing rubber sleeve along the circumferential direction of the sealing rubber sleeve.

Through adopting above-mentioned technical scheme, through the setting of friction line, when operating personnel separates plug and socket, the convenient application of force.

The present invention may be further configured in a preferred embodiment as: the friction lines are annular and are arranged along the length direction of the sealing rubber sleeve.

Through adopting above-mentioned technical scheme, through the friction line that length direction arranged, increased with the frictional force of sealed gum cover, conveniently separate plug and socket.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the first connecting piece is in threaded connection with the second connecting piece until the first connecting piece abuts against the first limiting piece which prevents the first connecting piece from sliding outwards, and the second connecting piece abuts against the second limiting piece which prevents the second connecting piece from sliding outwards, so that the plug and the socket are tightly connected and cannot be pulled out, and the tightness and the firmness of connection between the plug and the socket are improved;

2. the accuracy and convenience of plug insertion are improved;

3. the waterproof sealing effect of the joint of the plug and the socket is improved;

4. the convenience and fault tolerance during connection are improved, and the tightness of connection between the plug and the socket is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic cross-sectional view of the plug and receptacle connection of the present embodiment;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

FIG. 4 is a schematic structural view of the plug and the socket of the present embodiment separated from each other;

fig. 5 is a schematic structural diagram of the plug and the first connecting member in the embodiment.

In the figure, 1, plug; 11. a first limit piece; 12. positioning a groove; 2. a socket; 21. a second limiting member; 22. caulking grooves; 23. positioning blocks; 3. an electric wire; 4. sealing the rubber sleeve; 5. a first connecting member; 51. a sliding part; 52. a limiting part; 6. a second connecting member; 61. a connecting portion; 62. a force application part; 7. a seal ring; 8. rubbing the strips; 9. and (5) rubbing the lines.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a water joint, including plug 1, a socket 2 for pegging graft plug 1, wear to locate plug 1 and socket 2's electric wire 3 respectively, a sealed gum cover 4 for carrying out waterproof sealing to plug 1 and electric wire 3's junction and socket 2 and electric wire 3's junction, a first connecting piece 5 and a second connecting piece 6 for making plug 1 and socket 2 firm in connection, a first locating part 11 for preventing first connecting piece 5 roll-off plug 1, a second locating part 21 for preventing 6 roll-off socket 2 of second connecting piece and be used for plug 1 and socket 2 junction waterproof sealing's sealing washer 7. The electric wire 3 is inserted into the plug 1 and the socket 2. The plug 1 is embedded and connected with the socket 2 in a sliding way. Referring to fig. 3, the sealant sleeve 4 covers the connection between the plug 1 and the electric wire 3 and the connection between the socket 2 and the electric wire 3. The first connecting member 5 is screwed to the second connecting member 6. The first connecting piece 5 is sleeved outside the plug 1, and the first connecting piece 5 is rotatably connected and is axially and slidably connected to the plug 1 along the plug 1. The second connecting member 6 is sleeved outside the socket 2, and the second connecting member 6 is rotatably connected and axially slidably connected to the socket 2 along the socket 2. The first limiting member 11 is fixedly sleeved outside the plug 1, and the second limiting member 21 is fixedly sleeved outside the socket 2. The sealing ring 7 is sleeved outside the plug 1 and abuts against the first limiting member 11.

When the plug 1 and the socket 2 are connected, the plug 1 is firstly inserted into the socket 2, then the first connecting piece 5 and the second connecting piece 6 relatively slide and are in threaded connection until the first connecting piece 5 and the second connecting piece 6 are in threaded connection, the first connecting piece 5 abuts against the first limiting piece 11 and the second connecting piece 6 abuts against the second limiting piece 21 at the moment, and therefore the connection and the fixation of the plug 1 and the socket 2 are completed.

Referring to fig. 3, the plug 1 has a circular cross section, and the socket 2 has a groove 22 for receiving the plug 1 along the axial direction. The peripheral wall of the plug 1 is fixedly provided with a positioning groove 12 along the axial direction, the socket 2 is correspondingly and fixedly provided with a positioning block 23, and the positioning block 23 is fixedly arranged on the inner wall of the embedded groove 22 along the length direction of the socket 2. The positioning block 23 is embedded and connected to the positioning groove 12 in a sliding manner along the axial direction of the plug 1. One end of the positioning slot 12 away from the socket 2 is located on the same plane as the first limiting member 11.

When the plug 1 is plugged into the socket 2, the positioning block 23 is aligned with the positioning slot 12, and then the plug 1 is slid into the insertion slot 22 until the plug 1 is completely inserted into the insertion slot 22.

Referring to fig. 4, the second connecting member 6 includes a connecting portion 61 and a force application portion 62, and an outer wall of the connecting portion 61 of the second connecting member 6 is provided with external threads. The first connecting piece 5 comprises a sliding part 51 and a limiting part 52, a gap for embedding the connecting part 61 of the second connecting piece 6 is arranged between the sliding part 51 and the plug 1, and the sliding part 51 is provided with an internal thread. The biasing portion 62 has the same diameter as the sliding portion 51. The stopper 52 is fixed to an inner wall of the sliding portion 51 at an end thereof remote from the socket 2.

Referring to fig. 4 and 5, the first limiting member 11 is an annular protrusion, and the first limiting member 11 is fixedly disposed at an end of the plug 1 away from the socket 2. The first limiting member 11 is embedded and slidably connected in the sliding portion 51 along the axial direction thereof, and the first limiting member 11 abuts against one end of the limiting portion 52 of the first connecting member 5 facing the socket 2. The second limiting member 21 is also a circular protrusion, the second limiting member 21 is fixedly disposed at one end of the socket 2 facing the plug 1 along the circumferential direction of the socket 2, and the second connector 6 abuts against one end of the second limiting member 21 away from the plug 1. The sealing ring 7 is sleeved outside the plug 1 and abuts against one end of the first limiting member 11 facing the socket 2. When the plug 1 is plugged with the socket 2, one end of the socket 2 facing the plug 1 abuts against the sealing ring 7. When the first connecting member 5 is screwed to the second connecting member 6, the socket 2 abuts against the sealing ring 7, the limiting portion 52 of the first connecting member 5 abuts against the first limiting member 11, and the connecting portion 61 of the second connecting member 6 abuts against the second limiting member 21 toward one end of the plug 1.

Referring to fig. 4 and 5, the friction strips 8 are respectively arranged outside the sliding portion 51 of the first connecting member 5 and the force application portion 62 of the second connecting member 61, the friction strips 8 are parallel to the axis of the plug 1, and the friction strips 8 are provided with a plurality of strips which are respectively arranged along the circumferential direction of the sliding portion 51 of the first connecting member 5 and the force application portion 62 of the second connecting member 61. The sealing rubber sleeve 4 is fixedly provided with friction grains 9 along the circumferential direction, and the friction grains 9 are annular and are arranged along the length direction of the sealing rubber sleeve 4. The first connecting piece 5 and the second connecting piece 6 are convenient to screw through the arrangement of the friction strips 8 on the first connecting piece 5 and the second connecting piece 6. The friction lines 9 on the sealing rubber sleeve 4 facilitate force application to separate the plug 1 from the socket 2.

The implementation principle of the embodiment is as follows:

when the plug 1 and the socket 2 are connected, the positioning groove 12 formed on the plug 1 is firstly aligned with the positioning block 23 of the socket 2, and then the plug 1 is slid into the embedding groove 22 until the plug 1 is completely embedded into the embedding groove 22. The first connecting member 5 is screwed to the second connecting member 6, so that the socket 2 abuts against the sealing ring 7, the limiting portion 52 of the first connecting member 5 abuts against the first limiting member 11, and the connecting portion 61 of the second connecting member 6 abuts against the second limiting member 21 toward one end of the plug 1, thereby completing the connection between the plug 1 and the socket 2.

If operating personnel fails to firmly insert the plug 1 when inserting the plug 1 into the socket 2, the socket 2 is not abutted against the sealing ring 7, but when the first connecting piece 5 is in threaded connection with the second connecting piece 6, the first connecting piece 5 drives the plug 1 to move towards the socket 2 through the first limiting piece 11, when the first connecting piece 5 is screwed down on the second connecting piece 6, the socket 2 is just abutted against the sealing ring 7, the convenience and the fault tolerance during connection are improved, and the tightness between the plug 1 and the socket 2 is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a waterproof connector, includes plug (1), is used for socket (2) of plug (1) of pegging graft, all wear to be equipped with electric wire (3) in plug (1) and socket (2), plug (1) and the junction of electric wire (3) and the junction of socket (2) and electric wire (3) all the cladding outward have sealed gum cover (4), its characterized in that: the socket (2) is provided with an embedding groove (22) used for embedding a plug (1) along the axial direction of the socket (2), the cross section of the plug (1) is circular, the plug (1) is sleeved with a first connecting piece (5) which is connected with the plug (1) in a sliding mode along the axial direction of the plug, the first connecting piece (5) is connected with the plug (1) in a rotating mode, the socket (2) is sleeved with a second connecting piece (6) which is connected with the socket (2) in a sliding mode along the axial direction of the socket, the first connecting piece (5) is connected with the second connecting piece (6) in a rotating mode, the plug (1) is fixedly provided with a first limiting piece (11) used for preventing the first connecting piece (5) from sliding out of the plug (1) along the circumferential direction of the plug, and the socket (2) is fixedly provided with a second limiting piece (21) used for preventing; when the first connecting piece (5) is screwed on the second connecting piece (6), the first connecting piece (5) abuts against the first limiting piece (11), and the second connecting piece (6) abuts against the second limiting piece (21).

2. A watertight joint as claimed in claim 1, characterized in that: the plug is characterized in that a positioning groove (12) is fixedly formed in the peripheral wall of the plug (1) along the axial direction of the peripheral wall, a positioning block (23) is correspondingly and fixedly arranged on the socket (2), and the positioning block (23) is embedded and is connected to the positioning groove (12) in a sliding mode along the axial direction of the plug (1).

3. A watertight joint as claimed in claim 1, characterized in that: second connecting piece (6) are including connecting portion (61) and application of force portion (62), connecting portion (61) outer wall of second connecting piece (6) is equipped with the external screw thread, first connecting piece (5) are including sliding part (51) and spacing portion (52), connecting portion (61) that are equipped with between sliding part (51) and plug (1) and supply second connecting piece (6) inlay the clearance of establishing, internal thread has been seted up in sliding part (51), works as when first connecting piece (5) are screwed up in second connecting piece (6), connecting portion (61) of second connecting piece (6) are inlayed and are located between sliding part (51) and plug (1) of first connecting piece (5), just application of force portion (62) butt in sliding part (51) of first connecting piece (5) of second connecting piece (6).

4. A watertight joint as claimed in claim 3, characterized in that: the plug (1) overcoat is equipped with sealing washer (7), sealing washer (7) butt in first locating part (11) towards the one end of second locating part (21).

5. A watertight joint, as claimed in claim 4, characterized in that: when the first connecting piece (5) is screwed on the second connecting piece (6), one end of the socket (2) facing the plug (1) is abutted against the sealing ring (7).

6. A watertight joint as claimed in claim 3, characterized in that: the plug is characterized in that friction strips (8) are arranged outside the sliding portion (51) of the first connecting piece (5) and the force application portion (62) of the second connecting piece (6), the friction strips (8) are parallel to the axis of the plug (1), and the friction strips (8) are arranged in a plurality of circumferential directions and are respectively arranged along the sliding portion (51) of the first connecting piece (5) and the force application portion (62) of the second connecting piece (6).

7. A watertight joint as claimed in claim 1, characterized in that: and friction grains (9) are fixedly arranged on the sealing rubber sleeve (4) along the circumferential direction of the sealing rubber sleeve.

8. The watertight connector according to claim 7, characterized in that: the friction grains (9) are annular and are arranged along the length direction of the sealing rubber sleeve (4).