CN216162000U

CN216162000U - Wire rod sealing assembly structure of power adapter

Info

Publication number: CN216162000U
Application number: CN202122173023.0U
Authority: CN
Inventors: 李星光
Original assignee: Foshan Shunde Guangyuda Power Supply Co
Current assignee: Foshan Shunde Guangyuda Power Supply Co
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-04-01
Anticipated expiration: 2031-09-08

Abstract

The utility model relates to a wire sealing assembly structure of a power adapter, which comprises an outer shell and a power wire; the power line is provided with an oval connecting end, the middle part of the connecting end is provided with a sealing element, and the inner end is provided with a clamping groove; the outer shell comprises a first shell and a second shell; the first shell is provided with an oval connecting hole; a clamping buckle is integrally arranged on the second shell; the connecting end is arranged on the connecting hole in a penetrating way; a guide area is arranged between the clamping groove and the clamping buckle; the sealing cover of the second shell is arranged on the first shell and is buckled and clamped on the clamping groove through the clamping, and the connecting end is driven to extrude towards the direction of the connecting hole to act on the sealing element through the guide area when the clamping is arranged, so that the sealing connection between the connecting end and the connecting hole is realized. The sealing device has the characteristics of simple and reasonable structure, low manufacturing cost, convenience in assembly, high production efficiency, good sealing effect, safety and reliability in use and the like, and is high in practicability.

Description

Wire rod sealing assembly structure of power adapter

Technical Field

The utility model relates to the technical field of power adapters, in particular to a wire sealing assembly structure of a power adapter.

Background

Chinese patent document No. CN209767401U discloses a power adapter with a sealing buckle structure in 12/10/2019, which includes an adapter body and an SR line, wherein an SR line interface is provided on the adapter body, the SR line extends into the adapter body from the SR line interface, a waterproof rubber ring is sleeved between the SR line and the SR line interface, a clamping groove is provided at a position where the SR line extends into the adapter body, and the power adapter further includes a plug pin, and the plug pin is fastened in the clamping groove. The utility model discloses a power adapter, including SR line, SR line interface, socket, bolt buckle, socket. However, it has the following disadvantages: 1. the U-shaped bolt is arranged independently, so that the assembly process is more, and the number of components is increased due to the independently arranged U-shaped bolt; 2. the circular holes and the circular rings are circular, the SR wire is easy to slip after being assembled, and the assembly stability is poor; 3. the ring is only simply wrapped on two waterproof rubber rings, and the two waterproof rubber rings do not have a good sealing effect and are poor in waterproofness. Therefore, further improvements are necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wire sealing assembly structure of a power adapter, which overcomes the defects that the wire assembly stability is poor, the wire is easy to loosen and the water of the power adapter is easy to enter in the prior art.

According to the sealed assembly structure of wire rod of this purpose design's a power adapter, including shell body and power cord, its characterized in that: the power cord is provided with an oval connecting end, the middle part of the connecting end is provided with a sealing element, and the inner end of the connecting end is provided with a clamping groove; the outer shell comprises a first shell and a second shell; the first shell is provided with an oval connecting hole; a clamping buckle is integrally arranged on the second shell; the connecting end is arranged on the connecting hole in a penetrating way; a guide area is arranged between the clamping groove and the clamping buckle; the sealing cover of the second shell is arranged on the first shell and is buckled and clamped on the clamping groove through the clamping, and the connecting end is driven to extrude towards the direction of the connecting hole through the guide area when the clamping is arranged so as to act on the sealing element, so that the sealing connection between the connecting end and the connecting hole is realized.

The guide area comprises an inclined guide position arranged on the clamping groove and an inclined guide matching position arranged on the clamping buckle respectively; the second casing is buckled the card through the joint and is established on the joint groove to guide through slope guide cooperation position when the card is established and act on slope guide position, with the drive connection end towards the direction extrusion of connecting hole and act on the sealing member.

The inclination angle of the inclined guide position corresponds to that of the inclined guide matching position.

The inclined guide position is arranged on the front side of the clamping groove; the back side surface of the clamping groove is basically vertically arranged or is arranged in parallel with the inclined guide position; the inclined guide matching position is arranged on the inner side of the clamping buckle; the outer side surface of the clamping buckle is basically vertically arranged or is arranged in parallel with the inclined guide matching position.

The back side surface of the clamping groove is basically vertically arranged, and a clamping groove with the upper part size larger than the lower part size is formed between the clamping groove and the inclined guide position; wherein, the clamping groove is arranged in a vertical penetrating way; the outer side surface of the clamping buckle is basically vertically arranged and forms a clamping buckle with the upper size larger than the lower size with the inclined guide matching position.

The two clamping grooves are symmetrically arranged on the left side and the right side of the inner end of the connecting end head; the joint is buckled and is provided with two, just integrative setting in second casing bottom of symmetry formula.

A positioning groove is also arranged between the clamping grooves at the left side and the right side, the positioning groove is positioned at the top of the inner end of the connecting end head, and the left end and the right end of the positioning groove are respectively communicated with the upper parts of the clamping grooves at the left side and the right side; and a positioning step is further arranged between the clamping buckles at the left side and the right side, the lower part of the positioning step is positioned and acted on the positioning groove, and the upper part of the positioning step is positioned and depends on or is in clearance fit with the top of the inner end of the connecting end.

An oval extending through hole is formed towards the outer side of the connecting hole; a first extrusion groove and a second extrusion groove are formed in the middle of the connecting end head, and are sequentially located behind the clamping groove; the seal comprises a first seal and a second seal; the first sealing element is positioned and arranged on the first extrusion groove, and the second sealing element is positioned and arranged on the second extrusion groove.

The connecting end is nested in the extending through hole, and the clamping groove of the connecting end penetrates through the first shell; when the second shell is clamped, the second shell acts on the inclined guide position through the guide of the inclined guide matching position and drives the connecting end to move towards the direction of the connecting hole; the connecting end head movably extrudes the first sealing element and the second sealing element on the inner wall of the extending through hole through the first extrusion groove and the second extrusion groove respectively so as to realize the sealing connection between the connecting end head and the connecting hole.

The inner wall of the extending through hole is provided with an extrusion acting surface corresponding to the first sealing element and/or the second sealing element; the first sealing element is pressed between the first pressing groove and the pressing action surface in a sealing mode, and/or the second sealing element is pressed between the second pressing groove and the pressing action surface in a sealing mode.

According to the utility model, through the improvement of the structure, the connecting end and the connecting hole are respectively arranged in an oval shape, so that the connecting end cannot rotate when penetrating through the connecting hole, and the assembling stability of the connecting end is improved; moreover, as the connecting end is oval, when the clamping groove is arranged on the connecting end, the arrangement depth of the clamping groove can be improved so as to enhance the structural strength of the clamping groove, so that the clamping buckle can be stably clamped on the clamping groove, and the assembly stability of the clamping buckle and the clamping groove is improved; the clamping buckle is integrally arranged on the second shell, so that the number of components is reduced, the production cost is reduced, when the sealing cover of the second shell is arranged on the first shell, the assembly of the connecting end can be completed, the assembly process is reduced, and the production efficiency is improved; simultaneously, be provided with the guide area between joint groove and the joint is detained, the joint is detained and can be connected the end through the direction activity of guide area drive connection end towards the connecting hole when establishing on the joint groove to the extrusion effect makes the sealing member warp, and sealed effect is between connection end and connecting hole, takes off or the gap problem appears after avoiding connecting end and connecting hole assembly effectively, thereby furthest improves assembly steadiness and waterproof nature between connection end and the connecting hole.

Comprehensively, it has simple structure reasonable, low in manufacturing cost, and the assembly is convenient, and production efficiency is high, and sealed effectual and use characteristics such as safe, reliable, the practicality is strong.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention.

Fig. 2 is a schematic view of an assembly structure according to an embodiment of the present invention.

Fig. 3 is an assembled cross-sectional structural schematic diagram of an embodiment of the present invention.

Fig. 4 is another sectional structural view of the assembly according to an embodiment of the present invention.

Fig. 5 is an enlarged schematic view of a portion a in fig. 3.

Fig. 6 is an enlarged schematic view of a portion B in fig. 4.

Fig. 7 and 8 are schematic structural views of a second housing according to an embodiment of the utility model.

Fig. 9 is an enlarged schematic view of the structure at C in fig. 7.

Fig. 10 is an enlarged schematic view of the structure at D in fig. 8.

Fig. 11 and 12 are schematic views of a connection end structure according to an embodiment of the utility model.

Detailed Description

The utility model is further described with reference to the following figures and examples.

Referring to fig. 1-12, the wire sealing assembly structure of the power adapter includes an outer casing and a power wire; the power cord is provided with an oval connecting end 1, the middle part of the connecting end 1 is provided with a sealing element, and the inner end of the connecting end is provided with a clamping groove 2; the outer shell comprises a first shell 3 and a second shell 4; the first shell 3 is provided with an oval connecting hole 5; the second shell 4 is integrally provided with a clamping buckle 6; the connecting end 1 is arranged on the connecting hole 5 in a penetrating way; a guide area is arranged between the clamping groove 2 and the clamping buckle 6; the sealing cover of the second shell 4 is arranged on the first shell 3 and clamped on the clamping groove 2 through the clamping buckle 6, and the connecting end 1 is driven to extrude towards the direction of the connecting hole 5 through the guide area when the clamping is arranged so as to be applied to the sealing element, so that the sealing connection between the connecting end 1 and the connecting hole 5 is realized.

In the embodiment, the connecting end 1 and the connecting hole 5 are respectively arranged in an oval shape, so that the connecting end 1 cannot rotate when penetrating through the connecting hole 5, and the assembly stability of the connecting end 1 is improved; moreover, as the connecting end 1 is oval, when the clamping groove 2 is arranged on the connecting end 1, the arrangement depth of the clamping groove 2 can be improved so as to enhance the structural strength of the clamping groove, so that the clamping buckle 3 can be stably clamped on the clamping groove 2, and the assembly stability of the clamping groove and the clamping buckle is improved; moreover, the clamping buckle 3 is integrally arranged on the second shell 4, so that the number of components is reduced, the production cost is reduced, when the second shell 4 is sealed and arranged on the first shell 3, the assembly of the connecting end 1 can be completed, the assembly process is reduced, and the production efficiency is improved; simultaneously, be provided with the guide area between joint groove 2 and the joint is detained 6, joint is detained 6 and can be connected end 1 through the direction activity towards connecting hole 5 of guide area drive when establishing on joint groove 2, and the extrusion is on the sealing member, make the sealing member warp, and sealed effect is between connecting end 1 and connecting hole 5, take off or the gap problem appears after avoiding connecting end 1 and connecting hole 5 assembly effectively, thereby improve assembly steadiness and waterproof nature between connecting end 1 and the connecting hole 5 to the at utmost.

Specifically, the guiding areas respectively comprise an inclined guiding position 7 arranged on the clamping groove 2 and an inclined guiding matching position 8 arranged on the clamping buckle 6; second casing 4 is buckled 6 card through the joint and is established on joint groove 2 to when the card is established through the slope guide cooperation position 8 direction effect on slope guide position 7, with the drive connection end 1 towards the direction extrusion of connecting hole 5 and act on the sealing member.

The inclination angle of the inclined guide position 7 corresponds to that of the inclined guide matching position 8, and the inclined guide positions and the inclined guide matching position can play a good guide driving role in matching.

The inclined guide position 7 is arranged on the front side of the clamping groove 2; the back side surface of the clamping groove 2 is basically vertically arranged or is arranged parallel to the inclined guide position 7; the inclined guide matching position 8 is arranged on the inner side of the clamping buckle 6; the outer side surface of the clamping buckle 6 is basically vertically arranged or is arranged in parallel with the inclined guide matching position 8.

Further, in this embodiment, the back side of the clamping groove 2 is substantially vertically arranged, and the clamping groove 2 with an upper size larger than a lower size is formed between the back side and the inclined guiding position 7; wherein, the clamping groove 2 is arranged in a vertical penetrating way; the outer side surface of the clamping buckle 6 is basically vertically arranged, and the clamping buckle 6 with the upper size larger than the lower size is formed between the clamping buckle 6 and the inclined guide matching position 8.

The clamping groove 2 with large upper part size and small lower part size can facilitate the insertion and clamping of the clamping buckle 6, and the assembly process is simplified.

The two clamping grooves 2 are symmetrically arranged on the left side and the right side of the inner end of the connecting end head 1; the clamping buckle 6 is provided with two symmetrical integrated parts arranged at the bottom of the second shell 4.

Control two joint buckles 6 with control two joint grooves 2 mutual joint, can further improve the assembly stability of connecting end 1, prevent to connect the problem that the pine takes off after 1 assembly of end.

A positioning groove 9 is also arranged between the clamping grooves 2 at the left side and the right side, the positioning groove 9 is positioned at the top of the inner end of the connecting end 1, and the left end and the right end of the positioning groove 9 are respectively communicated with the upper parts of the clamping grooves 2 at the left side and the right side; still be provided with location step 10 between the joint knot 6 of left and right sides, location step 10 lower part location is acted on constant head tank 9, and upper portion relies on or clearance fit with the inner top location of connection end 1.

Namely, after the connecting end 1 is assembled, the left side, the right side and the top of the connecting end can be positioned, and the assembling stability of the connecting end 1 is further improved.

An oval extending through hole 11 is formed in the connecting hole 5 towards the outer side; a first extrusion groove 12 and a second extrusion groove 13 are formed in the middle of the connecting end head 1, and the first extrusion groove 12 and the second extrusion groove 13 are sequentially located behind the clamping groove 2; the seals comprise a first seal 14 and a second seal 15; the first sealing element 14 is positioned on the first extrusion groove 12, and the second sealing element 15 is positioned on the second extrusion groove 13. The arrangement of the double sealing element can play a good sealing effect between the connecting end head 1 and the connecting hole 5.

The connecting end 1 is nested in the extending through hole 11, and the clamping groove 2 of the connecting end passes through the first shell 3; when the second shell 4 is clamped, the second shell is guided to act on the inclined guide position 7 through the inclined guide matching position 8, and drives the connecting end head 1 to move towards the connecting hole 5; the connecting end head 1 movably presses a first sealing element 14 and a second sealing element 15 on the inner wall of the extending through hole 11 through a first pressing groove 12 and a second pressing groove 13 respectively so as to realize the sealing connection between the connecting end head 1 and the connecting hole 5.

In order to improve the deformation effect of the first sealing element 14 and/or the second sealing element 15, the inner wall of the extended through hole 11 is provided with a pressing action surface 16 corresponding to the first sealing element 14 and/or the second sealing element 15; the first sealing element 14 is sealingly pressed between the first pressing groove 12 and the pressing surface 16, and/or the second sealing element 15 is sealingly pressed between the second pressing groove 13 and the pressing surface 16.

The preferred extension through-hole 11 inner wall of this embodiment all is provided with extrusion active surface 16 corresponding to first sealing member 14 and second sealing member 15, and extension through-hole 11 inner wall is the slope setting of flaring formula promptly, can extrude first sealing member 14 and second sealing member 15 respectively after connecting end 1 assembles, and is rational in infrastructure.

The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a wire rod seal assembly structure of power adapter, includes shell body and power cord, its characterized in that: the power cord is provided with an oval connecting end (1), the middle part of the connecting end (1) is provided with a sealing element, and the inner end of the connecting end is provided with a clamping groove (2); the outer shell comprises a first shell (3) and a second shell (4); the first shell (3) is provided with an oval connecting hole (5); a clamping buckle (6) is integrally arranged on the second shell (4); the connecting end (1) is arranged on the connecting hole (5) in a penetrating manner; a guide area is arranged between the clamping groove (2) and the clamping buckle (6); the sealing cover of the second shell (4) is arranged on the first shell (3) and clamped on the clamping groove (2) through the clamping buckle (6), and the connecting end (1) is driven to be connected through the guide area when the clamping is arranged to extrude the sealing piece towards the direction of the connecting hole (5) so as to realize the sealing connection between the connecting end (1) and the connecting hole (5).

2. The wire seal fitting structure of a power adapter according to claim 1, characterized in that: the guide areas respectively comprise an inclined guide position (7) arranged on the clamping groove (2) and an inclined guide matching position (8) arranged on the clamping buckle (6); second casing (4) are buckled (6) card through the joint and are established on joint groove (2) to guide through slope guide cooperation position (8) when the card is established and act on slope guide position (7) to drive connection end (1) towards the direction extrusion of connecting hole (5) and act on the sealing member.

3. The wire seal fitting structure of a power adapter according to claim 2, characterized in that: the inclination angle of the inclined guide position (7) corresponds to that of the inclined guide matching position (8).

4. The wire seal fitting structure of a power adapter according to claim 2, characterized in that: the inclined guide position (7) is arranged on the front side of the clamping groove (2); the back side surface of the clamping groove (2) is basically vertically arranged or is arranged in parallel with the inclined guide position (7); the inclined guide matching position (8) is arranged on the inner side of the clamping buckle (6); the outer side surface of the clamping buckle (6) is basically vertically arranged or is arranged in parallel with the inclined guide matching position (8).

5. The wire seal fitting structure of a power adapter according to claim 4, characterized in that: the back side surface of the clamping groove (2) is basically vertically arranged, and the clamping groove (2) with the upper size larger than the lower size is formed between the inclined guide position (7) and the clamping groove; wherein, the clamping groove (2) is arranged in a vertical penetrating way; the outer side surface of the clamping buckle (6) is basically vertically arranged, and the clamping buckle (6) with the upper size larger than the lower size is formed between the clamping buckle (6) and the inclined guide matching position (8).

6. The wire seal fitting structure of a power adapter according to claim 5, characterized in that: the two clamping grooves (2) are symmetrically arranged on the left side and the right side of the inner end of the connecting end head (1); the clamping buckle (6) is provided with two symmetrical integrated parts arranged at the bottom of the second shell (4).

7. The wire seal fitting structure of a power adapter according to claim 6, characterized in that: a positioning groove (9) is also arranged between the clamping grooves (2) at the left side and the right side, the positioning groove (9) is positioned at the top of the inner end of the connecting end head (1), and the left end and the right end of the positioning groove are respectively communicated with the upper parts of the clamping grooves (2) at the left side and the right side; still be provided with location step (10) between the joint knot (6) of left and right sides, location step (10) lower part location is used in on constant head tank (9), upper portion and connection end (1) inner top location rely on or clearance fit.

8. The wire seal fitting structure of a power adapter according to claim 6, characterized in that: an oval extending through hole (11) is formed in the connecting hole (5) towards the outer side; a first extrusion groove (12) and a second extrusion groove (13) are formed in the middle of the connecting end head (1), and the first extrusion groove (12) and the second extrusion groove (13) are sequentially located behind the clamping groove (2); the seal comprises a first seal (14) and a second seal (15); the first sealing element (14) is positioned on the first extrusion groove (12), and the second sealing element (15) is positioned on the second extrusion groove (13).

9. The wire seal fitting structure of a power adapter according to claim 8, characterized in that: the connecting end (1) is nested in the extending through hole (11), and the clamping groove (2) of the connecting end passes through the first shell (3); the second shell (4) is guided to act on the inclined guide position (7) through the inclined guide matching position (8) when being clamped, and drives the connecting end head (1) to move towards the direction of the connecting hole (5); the connecting end head (1) movably extrudes a first sealing element (14) and a second sealing element (15) on the inner wall of the extending through hole (11) through a first extrusion groove (12) and a second extrusion groove (13) respectively so as to realize the sealing connection between the connecting end head (1) and the connecting hole (5).

10. The wire seal fitting structure of a power adapter according to claim 9, characterized in that: the inner wall of the extending through hole (11) is provided with a squeezing action surface (16) corresponding to the first sealing element (14) and/or the second sealing element (15); the first sealing element (14) is pressed between the first pressing groove (12) and the pressing surface (16) in a sealing manner, and/or the second sealing element (15) is pressed between the second pressing groove (13) and the pressing surface (16) in a sealing manner.