CN212182664U

CN212182664U - Protective socket

Info

Publication number: CN212182664U
Application number: CN202021410441.6U
Authority: CN
Inventors: 郑春开; 李子平; 王思琦; 李宏青
Original assignee: Kedu Electric Co Ltd
Current assignee: Kedu Electric Co Ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2020-12-18
Anticipated expiration: 2030-07-16

Abstract

The utility model provides a protection socket belongs to electrical components technical field, include: the socket comprises a socket shell, a sealing element and a clamping piece, wherein the upper opening end of the socket shell is provided with a first annular flange and a second annular flange which are concentrically arranged, and the sealing element is provided with an inner ring which is pressed at the top end of the first annular flange and protrudes towards the center; the clamping piece is arranged on the outer wall of the sealing piece, a drainage groove is formed between the clamping piece and the second annular flange, and the drainage groove is provided with a drainage outlet; the utility model discloses a protection socket is equipped with the sealing member at the upper open end, and this sealing member has the convex inner ring of central direction towards the upper open end of socket shell, and this inner ring can contact with the outer wall of plug, and after the plug inserted protection socket, the inner ring of sealing member closely wrapped up the plug, and the combination after the connection can satisfy IP 55's protection requirement.

Description

Protective socket

Technical Field

The utility model relates to an electrical components technical field, concretely relates to protection socket.

Background

Currently, the swiss socket on the market is under IP54 protection level. The dust prevention is grade 5, which can not completely prevent dust invasion, but the dust invasion amount can not influence the normal operation of the product; the waterproof grade is 4 grade, which prevents the water from splashing and prevents the water from splashing from all directions.

However, as market demands increase, the demand is reaching IP55 due to the standards being updated.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the protection level of the protection socket among the prior art and is not more than IP54, can't satisfy the defect of IP 55's requirement to a protection socket is provided.

In order to solve the technical problem, the utility model provides a protection socket, include: the socket comprises a socket shell, a sealing element and a clamping piece, wherein the upper opening end of the socket shell is provided with a first annular flange and a second annular flange which are concentrically arranged, the first annular flange is vertically arranged around the upper opening end of the socket shell, the second annular flange is arranged around the outer wall of the first annular flange at intervals, and an installation space is arranged between the first annular flange and the second annular flange;

the sealing element is of an annular structure and is arranged in the mounting space, and the sealing element is provided with an inner ring which is pressed at the top end of the first annular flange and protrudes towards the center direction;

the clamping piece is arranged in the installation space of the socket shell and is pressed on the outer wall of the sealing piece, a drainage groove is formed between the clamping piece and the second annular flange, and the drainage groove is provided with a drainage outlet.

Preferably, a side of the clamping member facing the sealing member is a wedge-shaped surface;

the lower extreme of lock ring spare has the orientation the boss of second annular flange, be equipped with on the boss with the joint structure that second annular flange goes on connecting.

Preferably, the upper end of the clamping member has a pressing plate facing the sealing member;

the sealing element is provided with an upper annular surface matched with the pressure plate.

Preferably, the sealing member has a lower edge extending into the lower end of the gripping member.

Preferably, the inner ring of the seal has a vertical face facing in the direction of the centre of the upper open end of the socket housing, the vertical face having at least one annular groove thereon.

Preferably, the method further comprises the following steps:

an upper cover mateably connected to the upper open end of the receptacle housing, the upper cover having a third annular flange thereon adapted to be inserted between the first and second annular flanges;

the top end of the inner ring of the sealing element is provided with an upper edge extending upwards, and the upper edge is suitable for being in contact with the inner top surface of the upper cover.

Preferably, the upper cover is rotatably connected to the socket housing through a hinge shaft, and the hinge shaft is disposed at the drain opening.

Preferably, the socket housing includes an upper housing and a lower housing which are detachable, and a portion of the upper housing extends into the lower housing.

Preferably, the lower shell is provided with at least one through hole suitable for a fastener to pass through, the upper shell is provided with an insertion hole corresponding to the through hole, an annular support member is connected in the insertion hole, the annular support member is a rigid member, and an inner ring of the annular support member is provided with an inner thread matched with the fastener.

Preferably, the lower shell is internally provided with a wire clamp assembly which is rotatably hung at the bottom end of the upper shell through a rotating shaft.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a protective socket, the upper open end is equipped with the sealing member, the sealing member has the convex inner ring towards the central direction of the upper open end of socket shell, the inner ring can contact with the outer wall of plug, after the plug is inserted into the protective socket, the inner ring of sealing member closely wraps up the plug, the combination after the connection can satisfy the protection requirement of IP 55;

the sealing element is pressed on the first annular flange through the clamping piece, so that the sealing element is convenient to disassemble;

a drain channel is formed between the clamp member and the second annular flange, the drain channel having a drain opening therein to facilitate removal of the isolated liquid.

2. The utility model provides a protection socket, the orientation of lock ring spare the one side of sealing member is the wedge, and the lower extreme of lock ring spare has the boss towards the direction of second annular flange, be equipped with on the boss with the joint structure that second annular flange carries out the connection works as the boss passes through behind joint structure and the second annular flange connection, the wedge of lock ring spare compresses tightly the sealing member.

3. The utility model provides a protection socket, the inner ring of sealing member have the vertical face towards the center direction of the upper end of socket shell body, at least one annular groove has on the vertical face, and when the outer wall extrusion sealing member's of plug vertical face, the annular groove is used for providing the deformation space of sealing member.

4. The utility model provides a protection socket has the upper cover, closes the upper cover lid when the upper open end of socket shell body, and the third annular flange of upper cover can be inserted between socket shell body's first annular flange and second annular flange, and at this moment, the interior top surface of upper cover contacts with the last reason of upwards extending of sealing member to form sealedly to protection socket, protection socket after the combination can satisfy IP 55's protection requirement.

5. The utility model provides a protective socket, have detachable upper casing and lower casing, connect through the fastener between upper casing and the lower casing, be used for inserting the annular support piece in the patchhole of fastener in the upper casing, this annular support piece is the rigidity piece, when connecting upper casing and lower casing through the fastener, the fastener is twisted soon and is entered into annular support piece, the torsion of fastener mainly acts on annular support piece, has avoided the plastic deformation of upper casing and lower casing; in addition, the lower case has a slight deformation at the time of fastening, and the deformation serves to seal the penetration hole of the lower case with the fastening member, thereby preventing external water from flowing into the case.

6. The utility model provides a protection socket, the fastener subassembly rotationally hangs the bottom of establishing at last casing through the pivot, makes the fastener subassembly be convenient for with cable junction, the cable of connection on the fastener subassembly in addition can carry out automatic adjustment, can lie in cable conductor direction central line as far as possible, reduces self distortion and to the influence of protection socket waterproof performance, when the cable conductor receives external force, because of the fastener subassembly is connected on last casing, consequently the wire can not be pulled out, does not influence being connected of wire and protection socket.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of a three-dimensional structure of an embodiment of the protection socket of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is an enlarged view of the area a in fig. 1.

Fig. 4 is an exploded perspective view of an embodiment of the protective socket of the present invention.

Fig. 5 is an enlarged view of the region B in fig. 4.

Figure 6 is a front cross-sectional view of the gripping member.

Fig. 7 is a front cross-sectional view of the seal.

Fig. 8 is an enlarged view of the region C of fig. 7.

Fig. 9 is a front view of the upper housing of the receptacle housing.

Figure 10 is a front view of the wire clamp assembly attached to the upper housing.

Fig. 11 is a perspective view of the wire clamp assembly.

Description of reference numerals:

1. an upper cover; 2. an upper housing; 3. a lower housing; 4. a wire clamp assembly; 5. a first annular flange; 6. a second annular flange; 7. a seal member; 8. a tightening member; 9. a water discharge tank; 10. a water outlet; 11. a third annular flange; 12. an annular support member; 13. a fastener; 14. a wedge-shaped surface; 15. a boss; 16. a protrusion; 17. pressing a plate; 18. a side wall; 19. an inner ring; 20. an upper edge; 21. a lower edge; 22. a vertical plane; 23. an annular groove; 24. an upper annulus; 25. hinging a shaft; 26. a wire holder base; 27. a movable clamp; 28. a rotating shaft; 29. sealing sleeves; 30. sealing the cover; 31. and the shaft hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The present embodiment provides a specific implementation of a shielded receptacle, as shown in fig. 1, including: the socket comprises a socket shell, an upper cover 1 and a wire clamp assembly 4 positioned in the socket shell. Wherein the socket housing includes: upper and

lower housings

2 and 3 are detachable.

As shown in fig. 2 and 3, a portion of the upper housing 2 extends into the lower housing 3, the lower housing 3 has an insertion hole for a fastening element 13 to pass through, the upper housing 2 has an insertion hole corresponding to the insertion hole, an annular support 12 is screwed into the insertion hole, the annular support 12 is a rigid member, such as a metal member, and an inner ring of the annular support 12 is provided with an inner thread for engaging with the fastening element 13.

As shown in fig. 4 and 5, the upper open end of the upper housing 2 of the receptacle housing is provided with: a first annular flange 5, a second annular flange 6, a seal 7 and a band 8. The first annular flange 5 is vertically disposed around an upper open end of the upper case 2, the second annular flange 6 is concentrically disposed around the first annular flange 5 at the upper open end of the upper case 2, and a mounting space is provided between the first annular flange 5 and the second annular flange 6; the sealing member 7 is of an annular structure and is arranged in the mounting space, and the sealing member 7 is provided with an inner ring 19 which is protruded towards the center direction of the upper opening end of the socket shell at the top end of the first annular flange 5; the clamping member 8 is arranged in the installation space, and the clamping member 8 is pressed on the outer wall of the sealing member 7.

As shown in fig. 1, a drain groove 9 is formed between the tightening member 8 and the second annular flange 6, and the drain groove 9 has a drain opening 10. The lower opening end of the lower shell 3 is provided with a sealing sleeve 29 and a sealing cover 30, the sealing cover 30 is connected with the lower shell 3 in a clamping mode, and the sealing sleeve 29 is pressed inside the lower shell 3 through the sealing cover 30.

As shown in fig. 6, a surface of the clamping member 8 facing the sealing member 7 is a wedge surface 14, a boss 15 facing the second annular flange 6 is provided at a lower end of the clamping member 8, a clamping structure connected to the second annular flange 6 is provided on the boss 15, and the clamping structure specifically includes: a projection 16 provided on the boss 15 and a groove provided on the inner wall of the second annular flange 6, the projection 16 on the boss 15 snapping into the groove of the inner wall of the second annular flange 6 after the tightening member 8 is inserted between the first annular flange 5 and the second annular flange 6, thereby forming a snap fit. In addition, a pressure plate 17 is provided at the upper end of the clamping part 8 facing the seal 7, which pressure plate 17 is used to press the seal 7 against the first annular flange 5.

As shown in fig. 7, the sealing member 7 has an annular structure, and the sealing member 7 has: side wall 18, inner ring 19, upper rim 20 and lower rim 21. Wherein the inner ring 19 is configured to be pressed on the top end of the first annular flange 5, the inner ring 19 protrudes from the top end of the first annular flange 5 toward the center of the upper opening end of the socket housing, and the lower edge 21 is configured to protrude into the bottom end of the clamping member 8 and be pressed by the bottom end of the clamping member 8.

As shown in fig. 8, the inner ring 19 is connected above the side wall 18, the inner ring 19 has a vertical surface 22 facing the center of the upper open end of the socket housing, and the vertical surface 22 has at least one annular groove 23. The side wall 18 further has an upper ring surface 24, and the upper ring surface 24 is used for cooperating with the pressing plate 17 of the clamping member 8 and being pressed by the pressing plate 17 of the clamping member 8. The upper rim 20 extends upward at the top end of the inner ring 19 for contacting the inner top surface of the upper lid 1, thereby forming a seal together with the upper lid 1 when the upper lid 1 is placed on the upper case 2.

As shown in fig. 1 and 9, the upper cover 1 is rotatably connected to the socket housing by a hinge shaft 25 provided at the drain opening 10, the hinge shaft 25 is sleeved with a torsion spring having two legs which respectively connect the upper cover 1 and the upper housing 2 of the socket housing, the torsion spring has an elastic force which causes the upper cover 1 to cover the upper open end of the upper housing 2, and the upper cover 1 has a third annular flange 11 adapted to be inserted between the first annular flange 5 and the second annular flange 6.

As shown in fig. 10, the wire clamp assembly 4 is rotatably suspended at the bottom end of the upper housing 2 by a rotating shaft 28, the bottom end of the upper housing 2 has a shaft hole 31, the wire clamp assembly 4 has a rotating shaft 28, the wire clamp assembly 4 is rotatably connected to the upper housing 2 by inserting the rotating shaft 28 into the shaft hole 31, and the wire clamp assembly 4 is accommodated in the lower housing 3 after the upper housing 2 is connected to the lower housing 3.

As shown in fig. 11, the wire clamp assembly 4 includes: the wire clamp comprises a wire clamp seat 26 and a movable clamp 27, wherein a rotating shaft 28 is integrally formed on the wire clamp seat 26, and the rotating shaft 28 is two sections with a disconnected middle part. The movable clip 27 is detachably attached to the wire clip base 26 by a screw.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A protective socket, comprising: a socket housing, a sealing member (7) and a tightening member (8), wherein the upper opening end of the socket housing is provided with a first annular flange (5) and a second annular flange (6) which are concentrically arranged, the first annular flange (5) is vertically arranged around the upper opening end of the socket housing, the second annular flange (6) is arranged around the outer wall of the first annular flange (5), and a mounting space is arranged between the first annular flange (5) and the second annular flange (6);

the sealing element (7) is of an annular structure and is arranged in the mounting space, and an inner ring (19) which is pressed at the top end of the first annular flange (5) and protrudes towards the center direction is arranged on the sealing element (7);

the clamping piece (8) is arranged in the installation space of the socket shell and pressed on the outer wall of the sealing piece (7), a drainage groove (9) is formed between the clamping piece (8) and the second annular flange (6), and the drainage groove (9) is provided with a drainage outlet (10).

2. A shielded socket according to claim 1, wherein the face of the gripping member (8) facing the seal (7) is a wedge-shaped face (14);

the lower extreme of lock ring spare (8) has orientation boss (15) of second annular flange (6), be equipped with on boss (15) with the joint structure that second annular flange (6) are connected.

3. A shielded socket according to claim 1, wherein the upper end of the gripping member (8) has a pressure plate (17) facing the seal (7);

the sealing element (7) is provided with an upper annular surface (24) matched with the pressure plate (17).

4. A protective socket according to any one of claims 1 to 3, wherein the sealing member (7) has a lower edge (21) extending into the lower end of the gripping member (8).

5. The shielded socket according to any one of claims 1-3, wherein the inner ring (19) of the sealing member (7) has a vertical surface (22) directed towards the centre of the upper open end of the socket housing, the vertical surface (22) having at least one annular groove (23) thereon.

6. The shielded receptacle of any one of claims 1-3, further comprising:

an upper cover (1) which is connected with the upper opening end of the socket shell in a covering mode, wherein a third annular flange (11) suitable for being inserted between the first annular flange (5) and the second annular flange (6) is arranged on the upper cover (1);

the top end of the inner ring (19) of the sealing element (7) is provided with an upper edge (20) extending upwards, and the upper edge (20) is suitable for being in contact with the inner top surface of the upper cover (1).

7. The shield socket according to claim 6, wherein the upper cover (1) is rotatably connected to the socket housing by means of a hinge shaft (25), the hinge shaft (25) being provided at the drain opening (10).

8. The shielded receptacle of claim 6, wherein the receptacle housing comprises an upper housing (2) and a lower housing (3) which are removable, a portion of the upper housing (2) extending into the lower housing (3).

9. The shielded socket according to claim 8, wherein the lower housing (3) has at least one through hole for a fastening member (13) to pass through, the upper housing (2) has an insertion hole corresponding to the through hole, an annular supporting member (12) is connected in the insertion hole, the annular supporting member (12) is a rigid member, and an inner ring of the annular supporting member (12) is provided with an internal thread for engaging with the fastening member (13).

10. The protective socket according to claim 8 or 9, wherein a wire clamp assembly (4) is arranged in the lower shell (3), and the wire clamp assembly (4) is rotatably hung at the bottom end of the upper shell (2) through a rotating shaft (28).