CN219774565U - Charger screw column - Google Patents
Charger screw column Download PDFInfo
- Publication number
- CN219774565U CN219774565U CN202320550585.9U CN202320550585U CN219774565U CN 219774565 U CN219774565 U CN 219774565U CN 202320550585 U CN202320550585 U CN 202320550585U CN 219774565 U CN219774565 U CN 219774565U
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- Prior art keywords
- fixedly connected
- screw
- sealing
- wall
- column body
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 82
- 239000007787 solid Substances 0.000 claims description 16
- 230000006978 adaptation Effects 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model particularly relates to the technical field of chargers and discloses a charger screw column, which comprises a screw column body, wherein an explosion-proof device is arranged on the outer surface of the screw column body, an auxiliary sealing device is arranged at the top of the screw column body, the auxiliary sealing device comprises a first sealing ring, a clamping ring is fixedly connected to the bottom of the first sealing ring, a ring groove is formed in the top of the screw column body, the outer surface of the clamping ring is inserted into the inner wall of the ring groove, a shell is fixedly connected to the bottom of the screw column body, a sealing cover is arranged at the top of the shell, and a circular through hole is formed in the top of the sealing cover.
Description
Technical Field
The utility model relates to the technical field of chargers, in particular to a charger screw column.
Background
The screw column of the charger is a part arranged in the charger and is used for being in butt joint with the screw when the screw is used for assembling the shell and the sealing cover of the charger, so that the sealing cover and the shell are fixedly connected.
Workers find that in daily work, the existing charger shell and the sealing cover are good in sealing performance, gaps often exist between screw posts and screws, the sealing performance is poor, the waterproof performance of the charger is poor, and the charger is easy to damage due to water dipping
In order to solve the above problems, the prior art generally applies waterproof glue to the screw to seal the screw and the inner wall of the screw column, but the sealing effect still needs to be improved.
Disclosure of Invention
The utility model aims to provide a screw column of a charger, which aims to solve the sealing problem between the screw column and a screw.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: charger screw post, including the screw post body, the surface of screw post body is provided with explosion-proof equipment, the top of screw post body is provided with auxiliary sealing device, auxiliary sealing device includes first sealing washer, the bottom fixedly connected with snap ring of first sealing washer, the annular has been seted up on the top of screw post body, the inner wall at the annular is inserted to the surface of snap ring, the bottom fixedly connected with casing of screw post body, the top of casing is provided with sealed lid, circular through-hole has been seted up at the top of sealed lid, the inner wall of circular through-hole is provided with the bolt.
The effects achieved by the components are as follows: by arranging the first sealing ring, the top of the screw column body is sealed with the bolt, and the screw column is the most important waterproof means.
Preferably, the top of the outer surface of the screw column body is fixedly connected with a fixing ring, the size and the shape of the outer surface of the first sealing ring are matched with the size and the shape of the inner wall of the first sealing ring, the top of the fixing ring is fixedly connected with a second sealing ring, and the top of the second sealing ring is abutted to the bottom of the sealing cover.
The effects achieved by the components are as follows: through setting up solid fixed ring, first sealing washer sets up at solid fixed ring's inner wall, when gu extrusion leads to deformation at first sealing washer society, gu fixed ring's inner wall blocks first sealing washer, and the first sealing washer of messenger is more to the bolt deformation, strengthens the waterproof sealing performance of first sealing washer, seals between gu fixed ring and the sealed lid through setting up the second sealing washer, further strengthens solid fixed ring inside leakproofness.
Preferably, the bottom of circular through-hole is provided with the cylinder, the bottom fixed connection of top and sealed lid of cylinder, the bottom of cylinder and the top butt of first sealing washer, the surface size and the shape of cylinder and the inner wall size and the shape looks adaptation of solid fixed ring.
The effects achieved by the components are as follows: through setting up the cylinder, when sealed lid and casing are installed together, the cylinder can extrude first sealing washer, is the direct action part that promotes first sealing washer deformation, and the bottom of cylinder is full with the top of the first sealing washer after the deformation, ensures that the cylinder is more even to the extrusion of first sealing washer.
Preferably, an auxiliary through hole is formed in the bottom of the cylinder, and the outer surface of the bolt penetrates through the auxiliary through hole and the inner wall without the first sealing ring to be in threaded connection with the inner wall of the screw column body.
The effects achieved by the components are as follows: through setting up supplementary through-hole, the bolt passes supplementary through-hole and is connected with the inner wall of screw post body, and then installs fixedly sealed lid and casing.
Preferably, the explosion-proof device comprises four first supporting blocks, the cross sections of the four first supporting blocks in the vertical direction are triangular, one side of the outer surface of each of the four first supporting blocks is uniformly and fixedly connected to the outer surface of the screw column body, and the bottoms of the four first supporting blocks are fixedly connected with the bottom of the shell.
The effects achieved by the components are as follows: through setting up first supporting shoe, utilize triangle-shaped's stability principle, consolidate fixedly to the screw post body, prevent when screwing up the bolt, the bolt struts the screw post body.
Preferably, the outer surface of the screw column body is uniformly and fixedly connected with three circular rings, the outer surfaces of the three circular rings are fixedly connected with the inner wall of the shell, the bottom of one circular ring at the bottom is fixedly connected with the bottom of the inner wall of the shell, the top of one circular ring at the top is fixedly connected with the bottom of the fixed ring, and the inner wall of the circular ring is fixedly connected with the outer surfaces of the four first supporting blocks.
The effects achieved by the components are as follows: the first supporting block is reinforced by the circular ring.
Preferably, the top of the outer surface of each circular ring at the bottom is fixedly connected with four second supporting blocks, the cross sections of the second supporting blocks in the vertical direction are triangular, and one side of the outer surface of each second supporting block is fixedly connected with the outer surface of the screw column body.
The effects achieved by the components are as follows: the triangular stability is utilized to strengthen the two circular rings at the bottom and the screw column body, so that the screw column body is prevented from being broken due to uneven stress.
In summary, the beneficial effects of the utility model are as follows:
through setting up first sealing washer and second sealing washer, under the extrusion of bolt, seal between cylinder and the screw column body, between solid fixed ring and the sealed lid respectively, under double seal's the addition is held, can ensure that the gap of screw column and bolt can not intaking, guaranteed the waterproof performance of charger.
Drawings
Fig. 1 is a schematic partial structure of the main body of the present utility model.
Fig. 2 is a schematic cross-sectional view of the screw body of the present utility model.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 at a in accordance with the present utility model.
Fig. 4 is a schematic view showing a partial structure of a first supporting block of the present utility model.
Reference numerals illustrate:
1. a screw column body; 2. an explosion-proof device; 21. a first support block; 22. a circular ring; 23. a second support block; 3. a sealing device; 31. a first seal ring; 32. a clasp; 33. a ring groove; 34. a fixing ring; 35. a second seal ring; 36. a cylinder; 37. an auxiliary through hole; 4. a housing; 5. sealing cover; 6. a circular through hole; 7. and (5) a bolt.
Detailed Description
Referring to fig. 1-3, this embodiment discloses a charger screw post, including screw post body 1, the surface of screw post body 1 is provided with explosion-proof equipment 2, the top of screw post body 1 is provided with auxiliary sealing device 3, auxiliary sealing device 3 includes first sealing washer 31, the bottom fixedly connected with snap ring 32 of first sealing washer 31, annular groove 33 has been seted up on the top of screw post body 1, the inner wall at annular groove 33 is inserted to the surface of snap ring 32, the bottom fixedly connected with casing 4 of screw post body 1, the top of casing 4 is provided with sealed lid 5, circular through-hole 6 has been seted up at the top of sealed lid 5 lid, the inner wall of circular through-hole 6 is provided with bolt 7, through setting up first sealing washer 31, seal between the top of screw post body 1 and the bolt 7, be the most important one deck waterproof means.
Referring to fig. 2 and 3, in the present embodiment: the outer surface top fixedly connected with solid fixed ring 34 of screw post body 1, the surface size and the shape of first sealing washer 31 and the inner wall size and the shape looks adaptation of first sealing washer 31, gu the top fixedly connected with second sealing washer 35 of fixed ring 34, the top of second sealing washer 35 and the bottom butt of sealed lid 5, through setting up solid fixed ring 34, first sealing washer 31 sets up the inner wall at solid fixed ring 34, when first sealing washer 31 social europe leads to deformation, the inner wall of solid fixed ring 34 blocks first sealing washer 31, the first sealing washer 31 of messenger deforms to bolt 7 more, strengthen the waterproof sealing performance of first sealing washer 31, seal between solid fixed ring 34 and the sealed lid 5 through setting up second sealing washer 35, further strengthen the inside leakproofness of solid fixed ring 34.
Referring to fig. 2 and 3, in the present embodiment: the bottom of circular through-hole 6 is provided with cylinder 36, the bottom fixed connection of cylinder 36 and the bottom of sealed lid 5, the bottom butt of cylinder 36 and the top of first sealing washer 31, the surface size and the shape of cylinder 36 and the inner wall size and the shape looks adaptation of solid fixed ring 34, through setting up cylinder 36, when sealed lid 5 is in the same place with casing 4, cylinder 36 can extrude first sealing washer 31, be the direct acting part that promotes first sealing washer 31 deformation, the bottom of cylinder 36 and the top of deformed first sealing washer 31 are filled completely, ensure that cylinder 36 is more even to the extrusion of first sealing washer 31, auxiliary through-hole 37 has been seted up to the bottom of cylinder 36, the surface of bolt 7 passes auxiliary through-hole 37 and does not have the inner wall of first sealing washer 31 and screw post body 1's inner wall threaded connection, through setting up auxiliary through-hole 37, bolt 7 passes auxiliary through-hole 37 and is connected with screw post body 1's inner wall, and then install fixedly to sealed lid 5 and casing 4.
Referring to fig. 4, in this embodiment: the explosion-proof device 2 includes four first supporting shoe 21, and the cross-section of four first supporting shoe 21 vertical directions is triangle-shaped, and the even fixed connection in surface of screw post body 1 in surface one side of four first supporting shoe 21, the bottom of four first supporting shoe 21 all with the bottom fixed connection of casing 4, through setting up first supporting shoe 21, utilizes triangle-shaped's stability principle, consolidates fixedly to screw post body 1, prevents when screwing up bolt 7 that bolt 7 from propping up screw post body 1.
Referring to fig. 4, in this embodiment: the outer surface of the screw column body 1 is uniformly and fixedly connected with three rings 22, the outer surface of each of the three rings 22 is fixedly connected with the inner wall of the shell 4, the bottom of one ring 22 positioned at the bottom is fixedly connected with the bottom of the inner wall of the shell 4, the top of one ring 22 positioned at the top is fixedly connected with the bottom of the fixed ring 34, the inner wall of each ring 22 is fixedly connected with the outer surfaces of the four first supporting blocks 21, the first supporting blocks 21 are reinforced by arranging the rings 22, the four second supporting blocks 23 are fixedly connected with the top of the outer surfaces of the two rings 22 positioned at the bottom, the cross sections of the second supporting blocks 23 in the vertical direction are triangular, one side of the outer surfaces of each of the eight second supporting blocks 23 is fixedly connected with the outer surface of the screw column body 1, the two rings 22 positioned at the bottom are reinforced with the screw column body 1 by the aid of triangular stability, and the screw column body 1 is prevented from being broken due to uneven stress.
The working principle is as follows: when the shell 4 and the sealing cover 5 are installed, the cylinder 36 is inserted in alignment with the inner wall of the fixed ring 34, the bolt 7 is inserted into the next circular through hole 6, the bolt 7 penetrates through the auxiliary through hole 37 and the first sealing ring 31, the bolt 7 is rotated, the bolt 7 moves towards the bottom of the inner wall of the screw column body 1, when the bolt 7 starts to contact the bottom of the inner wall of the circular through hole 6, the sealing cover 5 drives the cylinder 36 to extrude the first sealing ring 31, the sealing cover 5 extrudes the second sealing ring 35, the first sealing ring 31 is blocked by the fixed ring 34 in the deformation process, the first sealing ring 31 deforms more towards the bolt 7 until the bolt 7 cannot be screwed any more, the operation is completed, the screw column body 1 is reinforced by arranging the first supporting block 21, the second supporting block 23 reinforces the circular ring 22, and when the bolt 7 is screwed into the screw column body 1, the screw column body 1 is ensured not to be easily broken by a support by utilizing the triangle stability principle.
Claims (7)
1. The utility model provides a charger screw post, includes screw post body (1), its characterized in that: the anti-explosion screw comprises a screw column body (1), wherein an anti-explosion device (2) is arranged on the outer surface of the screw column body (1), an auxiliary sealing device (3) is arranged at the top of the screw column body (1), the auxiliary sealing device (3) comprises a first sealing ring (31), a clamping ring (32) is fixedly connected to the bottom of the first sealing ring (31), an annular groove (33) is formed in the top of the screw column body (1), the clamping ring (32) is inserted into the annular groove (33), a shell (4) is fixedly connected to the bottom of the screw column body (1), a sealing cover (5) is arranged at the top of the shell (4), a circular through hole (6) is formed in the top of the sealing cover (5), and bolts (7) are arranged on the inner wall of the circular through hole (6).
2. The charger screw as defined in claim 1, wherein: the screw post body (1) top fixedly connected with solid fixed ring (34), the surface size and the shape of first sealing washer (31) and the inner wall size and the shape looks adaptation of first sealing washer (31), the top fixedly connected with second sealing washer (35) of solid fixed ring (34), the top and the bottom butt of sealed lid (5) of second sealing washer (35).
3. The charger screw as defined in claim 2, wherein: the bottom of circular through-hole (6) is provided with cylinder (36), the top of cylinder (36) and the bottom fixed connection of sealed lid (5), the bottom of cylinder (36) and the top butt of first sealing washer (31), the surface size and the shape of cylinder (36) and the inner wall size and the shape looks adaptation of solid fixed ring (34).
4. A charger screw as defined in claim 3, wherein: an auxiliary through hole (37) is formed in the bottom of the cylinder (36), and the outer surface of the bolt (7) penetrates through the auxiliary through hole (37) and the inner wall without the first sealing ring (31) to be in threaded connection with the inner wall of the screw column body (1).
5. The charger screw as defined in claim 1, wherein: the explosion-proof device (2) comprises four first supporting blocks (21), the sections of the four first supporting blocks (21) in the vertical direction are triangular, the four first supporting blocks (21) are uniformly and fixedly connected to the outer surface of the screw column body (1), and the bottoms of the four first supporting blocks (21) are fixedly connected with the bottom of the shell (4).
6. The charger screw post of claim 5, wherein: the screw post body (1) is evenly fixedly connected with three rings (22) on the outer surface, three the outer surface of rings (22) is fixedly connected with the inner wall of casing (4), is located one of bottom the bottom of rings (22) is fixedly connected with the inner wall bottom of casing (4), is located one of top the bottom of rings (22) and solid fixed ring (34) is fixedly connected, the inner wall of rings (22) is fixedly connected with the outer surface of four first supporting blocks (21).
7. The charger screw post of claim 6, wherein: four second supporting blocks (23) are fixedly connected to the tops of the two circular rings (22) at the bottom, the cross sections of the second supporting blocks (23) in the vertical direction are triangular, and one sides of the eight second supporting blocks (23) are fixedly connected with the outer surface of the screw column body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320550585.9U CN219774565U (en) | 2023-03-20 | 2023-03-20 | Charger screw column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320550585.9U CN219774565U (en) | 2023-03-20 | 2023-03-20 | Charger screw column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774565U true CN219774565U (en) | 2023-09-29 |
Family
ID=88105411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320550585.9U Active CN219774565U (en) | 2023-03-20 | 2023-03-20 | Charger screw column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774565U (en) |
-
2023
- 2023-03-20 CN CN202320550585.9U patent/CN219774565U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |