CN220042411U - High protection level's rifle that charges - Google Patents
High protection level's rifle that charges Download PDFInfo
- Publication number
- CN220042411U CN220042411U CN202321690741.8U CN202321690741U CN220042411U CN 220042411 U CN220042411 U CN 220042411U CN 202321690741 U CN202321690741 U CN 202321690741U CN 220042411 U CN220042411 U CN 220042411U
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- gun
- rifle
- shell
- cover
- head cover
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- 238000007789 sealing Methods 0.000 claims abstract description 29
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 9
- 238000001746 injection moulding Methods 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000004382 potting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000565 sealant Substances 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 discloses a high-protection-level charging gun, which comprises a gun head assembly used for being connected with a charging socket, wherein the gun head assembly comprises a gun head cover shell and conductive needles, a needle cylinder is formed in the gun head cover shell, the conductive needles are arranged in the corresponding needle cylinder, a rear cover cavity is formed in the rear part of the gun head cover shell, the rear end of the needle cylinder is communicated with the rear cover cavity, and a resin filling part used for sealing a gap between the rear end of the needle cylinder and the conductive needles is arranged in the rear cover cavity. The high-protection-level charging gun is beneficial to improving the safety and reliability of the charging gun, is beneficial to improving the mechanical production degree, has a simple structure, and reduces the labor assembly cost and the material cost.
Description
Technical Field
The utility model relates to the field of charging guns, in particular to a charging gun with high protection level.
Background
At present, with the development of new energy automobile industry, the demand of charging equipment is increased, especially the construction of outdoor open-air charging equipment is increased, and the power demand of the charging equipment is increased, and the charging equipment belongs to high-voltage products, so that the charging gun is an important component in the charging equipment, the safety of the charging gun is particularly important, however, one key factor affecting the charging safety is that the charging gun with poor waterproof grade can cause water to enter the charging gun and contact with a conductive piece, the insulation and voltage resistance of the charging gun are directly reduced, and the problem of electricity safety such as electric leakage, fire and the like is caused. The charging gun in the prior art is provided with a gun head assembly, a gun shell and a gun tail cover, wherein a conductive needle is arranged in the gun head assembly and is used for being electrically connected with a conductive terminal in a charging socket, the gun head assembly is arranged at the front end of the gun shell, the gun tail cover is arranged at the rear end of the gun shell, a cable passes through the gun tail cover and the rear end of the gun shell, and the cable passes through the gun shell and is connected with the rear end of the conductive needle in the gun head assembly; in order to play the water-proof effects, set up the sealing member between the casing of conductive needle and rifle head subassembly, but rubber class sealing member takes place ageing easily under long-term outdoor adverse circumstances, lead to the protection level of product to reduce even inefficacy, and in the production assembly process of rifle that charges, the assembly flow of sealing member is extremely complicated, it is complicated to design relevant structure and sealing member cooperation in the structure, lead to the rifle structure that charges, the part is numerous, it is higher to lead to the material cost of production and assembly cost of labor, in the assembly process, the sealing member neglected loading and the condition such as assembly are not in place take place, so the safety in utilization and the reliability of rifle product that charges exist not enough, the necessary improvement.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a charging gun with high protection level, which is beneficial to improving the safety and reliability of the charging gun.
The aim of the utility model is achieved by the following technical scheme.
The utility model discloses a high-protection-level charging gun, which comprises a gun head assembly used for being connected with a charging socket, wherein the gun head assembly comprises a gun head cover shell and conductive needles, a needle cylinder is formed in the gun head cover shell, the conductive needles are arranged in the corresponding needle cylinder, a rear cover cavity is formed in the rear part of the gun head cover shell, the rear end of the needle cylinder is communicated with the rear cover cavity, and a resin filling part used for sealing a gap between the rear end of the needle cylinder and the conductive needles is arranged in the rear cover cavity.
Preferably, the high-protection-level charging gun further comprises a gun tail cover, a cable and a gun shell for being held by a hand, wherein the gun shell is provided with a gun shell front opening and a gun shell rear opening, the gun shell front opening is connected with the gun head cover, the gun shell rear opening is connected with the gun tail cover, and the cable penetrates through the gun tail cover and the gun shell rear opening.
Preferably, a flange part is formed on the outer side of the gun head cover, and an ultrasonic welding line is formed between the rear end of the flange part and the gun head front opening.
Preferably, the gun tail cover is sealed and bonded with the outer wall of the cable and the gun shell rear opening through low-pressure injection molding.
Preferably, the gun shell and the gun tail cover are integrally arranged, the front opening of the gun shell is sealed and bonded with the gun head cover through low-pressure injection molding, and the gun tail cover is sealed and bonded with the outer wall of the cable through low-pressure injection molding.
Preferably, the gun shell, the gun head cover and the gun tail cover are integrally arranged, and the gun shell, the gun head cover and the gun tail cover are sealed and bonded through low-pressure injection molding.
Compared with the prior art, the utility model has the beneficial effects that: the rear end of the needle cylinder is communicated with the rear cover cavity, and a resin filling part for sealing a gap between the rear end of the needle cylinder and the conductive needle is arranged in the rear cover cavity, so that the high-protection-level charging gun avoids the structure of a complex adaptive sealing ring, also avoids a series of problems which are difficult to process when the sealing ring is assembled, and avoids the situation of ageing and invalidation of rubber materials of the sealing ring, and is beneficial to improving the safety and reliability of the charging gun; and the operation of forming the filling resin part is convenient, and the sealing performance of the filling resin part is excellent.
Drawings
Fig. 1 is a schematic perspective view of a charging gun according to the present utility model.
Fig. 2 is a schematic cross-sectional structure of the charging gun of the present utility model.
Fig. 3 is a rear perspective view of the gun head assembly of the present utility model.
Fig. 4 is a schematic cross-sectional view of the gun head cover of the present utility model.
Fig. 5 is a schematic bottom perspective view of the gun case of the present utility model.
Description of the reference numerals: a gun head assembly 1; a gun head cover 11; a conductive needle 12; a cylinder 101; a lid rear cavity 102; a flange portion 103; an ultrasonic weld 10; a gun case 2; a gun housing front port 201; gun housing rear port 202; a gun tail cover 3; a cable 4; filling the sealing resin portion 5.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
The high protection level charging gun of the present utility model, as shown in fig. 1 and 2, comprises a gun head assembly 1 for connecting with a charging socket, wherein the gun head assembly 1 comprises a gun head cover 11 and a conductive needle 12, as shown in fig. 4, a syringe 101 is formed inside the gun head cover 11, the syringe 101 is of a through structure, for example, a jack is formed at the front end of the conductive needle 12, the jack is adapted to a pin in the charging socket, as shown in fig. 2 and 3, and the conductive needle 12 is arranged in the corresponding syringe 101. As shown in fig. 3 and 4, a rear cavity 102 is formed in the rear portion of the gun cap 11, for example, the rear end portion of the conductive needle 12 protrudes rearward from the syringe 101, and the rear end portion of the conductive needle 12 is located in the rear cavity 102, as shown in fig. 4, the rear end of the syringe 101 communicates with the rear cavity 102, as shown in fig. 2, a filling resin portion 5 for sealing the gap between the rear end of the syringe 101 and the conductive needle 12 is provided in the rear cavity 102, that is, the filling resin portion 5 is filled with an epoxy potting compound in a fluid state in the rear cavity 102, the epoxy potting compound can infiltrate into the gap between the rear end of the syringe 101 and the conductive needle 12, and after the epoxy potting compound is dried and fixed, a reliable sealing effect can be formed for the gap between the rear end of the syringe 101 and the conductive needle 12. The epoxy resin pouring sealant has the performances of flame retardance, moisture resistance, high and low temperature resistance, insulation and high adhesion. Compared with the structure of arranging the sealing ring between the conductive needle and the gun head cover shell in the prior art, the charging gun with high protection level avoids the structure of arranging the complex adapting sealing ring, also avoids a series of problems which are difficult to process and are encountered when the sealing ring is assembled, and avoids the situation of ageing and invalidation of rubber materials of the sealing ring, so the charging gun with high protection level is beneficial to improving the safety and reliability of the charging gun.
Further, as shown in fig. 1 and 2, the high protection level charging gun of the present utility model further comprises a gun tail cover 3, a cable 4 and a gun shell 2 for being held by a human hand, as shown in fig. 5, the gun shell 2 is formed with a gun shell front opening 201 and a gun shell rear opening 202, as shown in fig. 2, the gun shell front opening 201 is connected with the gun head cover 11, the gun shell rear opening 202 is connected with the gun tail cover 3, the cable 4 is arranged through the gun tail cover 3 and the gun shell rear opening 202, and a wire core of the cable 4 is electrically connected with a wire plug hole at the rear end of the conductive needle 12.
In some embodiments, as shown in fig. 4, a flange 103 is formed on the outer side of the gun head cover 11, as shown in fig. 2, an ultrasonic welding seam 10 is formed between the rear end of the flange 103 and the gun head cover front opening 201, specifically, a rear housing of the gun head cover 11 is inserted into the gun head cover front opening 201, high-frequency vibration is generated between the end face of the gun head cover front opening 201 and the rear end of the flange 103 through an ultrasonic welding device, a contact part of the gun head cover front opening 201 and the flange 103 is melted at a high temperature, after cooling, the end face of the gun head cover front opening 201 and the rear end of the flange 103 are welded (can also be understood as bonding), so that a gap between the gun head cover front opening 201 and the gun head cover 11 is sealed by the ultrasonic welding seam 10, and a rubber sealing piece is not needed to be arranged between the gun head cover 11 and the front part of the gun head cover 2, the sealing performance and the sealing reliability between the gun head cover 11 and the gun cover 2 are improved, the structure of the charging gun is simple, the manufacturing is easy, and the cost is reduced.
Further, the gun tail cover 3 seals the outer wall of the bonding cable 4 and the gun case back opening 202 by low pressure injection molding, in other words, the gun tail cover 3 is made of the existing low pressure injection molding material, after the cable 4 is connected with the conductive needle 12 and the ultrasonic welding seam 10 is formed, the gun tail cover 3 is molded at the gun case back opening 202 and on the outer wall of the cable 4 by the low pressure injection molding equipment, and the gap between the cable 4 and the gun case back opening 202 is reliably sealed due to the better bonding performance of the low pressure injection molding material.
In some embodiments, the gun case 2 and the gun tail cover 3 are integrally arranged, the gun tail cover 11 is sealed and bonded by low-pressure injection molding, the gun tail cover 3 is sealed and bonded with the outer wall of the cable 4 by low-pressure injection molding, after the cable 4 is connected with the conductive needle 12, the integrated assembly of the gun tail cover 3 and the gun case 2 is connected with the gun tail cover 11 and is formed on the cable 4 by low-pressure injection molding equipment, so that reliable sealing is formed between the gun tail cover 11 and the gun case 2, and reliable sealing is formed between the gun tail cover 3 and the outer wall of the cable 4, thus simplifying the process of assembling the charging gun, and further improving the reliability and durability of the charging gun structure because the gun case 2 and the gun tail cover 3 are integrally arranged.
In some embodiments, the gun case 2, the gun head cover 11 and the gun tail cover 3 are integrally arranged, and the gun case 2, the gun head cover 11 and the gun tail cover 3 are sealed and bonded through low-pressure injection molding, in other words, the gun case 2, the gun head cover 11 and the gun tail cover 3 are of an integral structure formed in the same injection molding process, so that the charging gun has high structural strength and good sealing performance, is beneficial to making the charging gun simple in structure, easy to manufacture and beneficial to reducing cost.
In summary, the charging gun with high protection level has the following advantages:
(1) The automatic sealing device is beneficial to improving the mechanized production degree, has a simple structure, reduces the manual assembly cost and the material cost, and avoids the condition that the manual assembly sealing element is not assembled or assembled in place.
(2) The weather resistance and the aging resistance are more excellent.
(3) The gun head cover shell and the connecting structure between the gun tail cover and the gun shell are of a permanent integrated type, and the structure is more reliable than an interference fit sealing piece structure.
The charging gun with high protection level is beneficial to enabling the charging gun to reach IP69K waterproof level.
Claims (6)
1. The utility model provides a high protection level's rifle that charges, is including being used for connecting rifle head subassembly (1) of socket that charges, rifle head subassembly (1) include rifle head cover (11) and conductive needle (12), the inside of rifle head cover (11) is formed with cylinder (101), conductive needle (12) locate in corresponding cylinder (101), its characterized in that: a rear cover cavity (102) is formed in the rear part of the gun head cover shell (11), the rear end of the needle cylinder (101) is communicated with the rear cover cavity (102), and a filling resin part (5) for sealing a gap between the rear end of the needle cylinder (101) and the conductive needle (12) is arranged in the rear cover cavity (102).
2. The high protection level charging gun of claim 1, wherein: still include rifle tail lid (3), cable (4) and be used for the rifle shell (2) that the people held, rifle shell (2) are formed with rifle shell front opening (201) and rifle shell back opening (202), rifle shell front opening (201) are connected rifle head lid (11), rifle shell back opening (202) are connected rifle tail lid (3), cable (4) pass rifle tail lid (3) with rifle shell back opening (202) set up.
3. The high protection level charging gun of claim 2, wherein: a flange part (103) is formed on the outer side of the gun head cover (11), and an ultrasonic welding line (10) is formed between the rear end of the flange part (103) and the gun head front opening (201).
4. A high protection level charging gun according to claim 3, wherein: the gun tail cover (3) is sealed and bonded with the outer wall of the cable (4) and the gun shell rear opening (202) through low-pressure injection molding.
5. The high protection level charging gun of claim 2, wherein: the gun shell (2) and the gun tail cover (3) are integrally arranged, the gun shell front opening (201) is sealed and bonded with the gun head cover (11) through low-pressure injection molding, and the gun tail cover (3) is sealed and bonded with the outer wall of the cable (4) through low-pressure injection molding.
6. The high protection level charging gun of claim 2, wherein: the gun shell (2) is integrally arranged with the gun head cover (11) and the gun tail cover (3), and the gun shell (2) is sealed and bonded with the gun head cover (11) and the gun tail cover (3) through low-pressure injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321690741.8U CN220042411U (en) | 2023-06-30 | 2023-06-30 | High protection level's rifle that charges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321690741.8U CN220042411U (en) | 2023-06-30 | 2023-06-30 | High protection level's rifle that charges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220042411U true CN220042411U (en) | 2023-11-17 |
Family
ID=88722444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321690741.8U Active CN220042411U (en) | 2023-06-30 | 2023-06-30 | High protection level's rifle that charges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220042411U (en) |
-
2023
- 2023-06-30 CN CN202321690741.8U patent/CN220042411U/en active Active
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