Replaceable pin assembly for charging interface of charging gun

Abstract

The invention relates to the technical field of charging guns, in particular to a replaceable pin assembly for a charging interface of a charging gun, which comprises a charging gun main body, a plurality of pin limiting seats are fixedly connected to one end of the charging gun main body, pins A are inserted into the pin limiting seats, and a fixing frame is fixedly connected to the lower surface of the charging gun main body. A plurality of contact pin sleeves are placed in the contact pin seat, and contact pins B are inserted into the contact pin sleeves, when the contact pins of the charging gun need to be replaced, the push ring can drive the limiting block to retract, so that the contact pin A is not limited, and at the moment, under the action of the tension spring A, the conductive sleeve can be driven to quickly move, the contact pin A needing to be replaced is pushed out of the charging gun body, and automatic disassembly is completed; according to the charging gun, manual disassembly is not needed, the risk of electric shock or equipment damage possibly caused by operation of a user is avoided, the maintenance efficiency of the charging gun can be remarkably improved, the time and cost of manual operation are reduced, the possibility of manual operation errors is reduced, and the accuracy of replacement operation is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of charging guns, and in particular to a replaceable pin assembly for a charging interface of a charging gun. Background Art

[0002] A charging gun (also called a charging gun head or charging gun handle) usually refers to a connector part used by electric vehicles or electric devices for charging. It is a key component in an electric vehicle charging system and is usually used to connect a charging pile and an electric vehicle's charging port to transfer electrical energy from the power grid to the electric vehicle's battery.

[0003] The pins (or plugs) of the charging gun charging interface are crucial components in the charging system. They are responsible for transmitting current from the charging pile to the battery of the electric vehicle. The design of the pins not only affects the current transmission efficiency, but is also directly related to the safety and durability of charging. Different charging standards and interface types use pins of different numbers, shapes and functions.

[0004] The existing charging gun design usually requires the shell to be disassembled to access the pins. Special tools are required to remove the shell, and the operation is complicated, especially for non-professionals. It may not be easy to complete, which affects the convenience of maintenance. Certain skills or experience are required to replace the pins. For some users or maintenance personnel, the operation process may be cumbersome and may damage other components (such as seals, cables, etc.), resulting in additional maintenance costs.

[0005] In summary, the prior art lacks a technology for automatically replacing the pins of a charging gun. Summary of the invention

[0006] The purpose of the present invention is to solve the shortcomings existing in the background technology and to propose a replaceable pin assembly for a charging port of a charging gun.

[0007] To achieve the above objectives, the technical solution adopted by the present invention is: a replaceable pin assembly for a charging port of a charging gun, comprising a charging gun body, one end of the charging gun body being fixedly connected to a plurality of pin limit seats, a pin A being inserted in the pin limit seat, a fixing frame being fixedly connected to a lower surface of the charging gun body, a moving block being provided on one side of the fixing frame, an adjustment mechanism being fixedly connected to the moving block, a pin seat being rotatably connected to the moving block, a plurality of pin sleeves being placed in the pin seat, and pin B being inserted in the pin sleeve.

[0008] Preferably, a plurality of pin holes are provided at one end of the charging gun body, a plurality of conductive rods are connected and fixedly arranged inside the charging gun body, a conductive sleeve is provided on the conductive rod for sliding contact, a plurality of tension springs A are connected and fixedly arranged on the conductive sleeve, the other end of the tension spring A is connected and fixedly arranged with the pin limit seat, a slider is provided on the inner wall of the pin hole for sliding cooperation, a tension spring B is connected and fixedly arranged at one end of the slider, the other end of the tension spring B is connected and fixedly arranged with the inner wall of the pin hole, a cleaning ring is connected and fixedly arranged at the outer end of the slider, and a sponge pad is connected and fixedly arranged at the inner circle of the cleaning ring.

[0009] Preferably, the pin limit seat is symmetrically structured and has multiple inclined blocks that are slidably fitted throughout. One end of the inclined block located in the pin limit seat is connected and fixedly provided with a limit block. The limit block is movably plugged into the outer wall of the pin A. A spring A is connected and fixedly provided on the limit block, and the other end of the spring A is connected and fixedly provided with the inner wall of the pin limit seat.

[0010] Preferably, an electric push rod A is fixedly connected to the outer side of the pin limiting seat, and a push ring is fixedly connected to the output end of the electric push rod A, and the push ring is arranged in sliding contact with the outer wall of the inclined block.

[0011] Preferably, a protective cover is fixedly connected to the bottom end of the fixed frame, a rack is fixedly connected to the fixed frame, an electric push rod B is fixedly connected to the fixed frame, and the other end of the electric push rod B is fixedly connected to the moving block.

[0012] Preferably, the adjustment mechanism includes a fixed rod, one end of which is connected and fixed to the moving block, a worm is rotatably connected to the fixed rod, a transmission wheel is connected and fixed to the top end of the fixed rod, and the transmission wheel is meshed with the rack for transmission.

[0013] Preferably, a worm wheel is meshingly provided on one side of the worm, a rotating shaft is fixedly connected to the worm wheel, and one end of the rotating shaft is fixedly connected to the pin seat.

[0014] Preferably, a plurality of placement holes are provided on the pin socket, and the open end of the pin socket is movably plugged into the protective cover.

[0015] Preferably, one end of the pin sleeve is connected and fixedly provided with an electric push rod C, one end of the electric push rod C is connected and fixedly provided with the inner wall of the placement hole, two fixing plates are connected and fixedly provided on the outer side of the pin sleeve, a plurality of guide rods are connected and fixedly provided on one side of the fixing plate, a clamping head is slidably provided on the guide rod, one end of the clamping head is provided with a conical structure, the outer wall of the clamping head is provided with a movably contacting arrangement with one end of the pin B, a spring B is connected and fixedly provided on the clamping head, and the other end of the spring B is connected and fixedly provided with the fixing plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects: When the pin of the charging gun needs to be replaced, the push ring can be used to drive the limit block to retract so that the pin A is not restricted. At this time, under the action of the tension spring A, the conductive sleeve will be driven to move quickly, and the pin A to be replaced will be pushed out of the charging gun body, completing the automatic disassembly without manual disassembly, avoiding the risk of electric shock or damage to the equipment caused by the user during operation, which can significantly improve the maintenance efficiency of the charging gun, reduce the time and cost of manual operation, reduce the possibility of human operation errors, and improve the accuracy of the replacement operation; By setting the pin sleeve, the new pin B can be placed. After the old pin A is removed, the pin B on the pin sleeve is automatically driven to be inserted into the pin limit seat, and then the spring A will drive the limit block to automatically limit the pin B, so as to realize the automatic installation of the charging gun pin. The entire pin installation process does not require manual intervention, which greatly improves the maintenance efficiency and reduces the labor cost, can further reduce the errors in manual operation, and improve the accuracy and reliability of pin installation; By setting up an adjustment mechanism, the pin holder can be automatically turned while driving the pin holder to move, thereby improving the efficiency of pin replacement, thereby improving the convenience and speed of operation. At the same time, the pin holder can be folded up when not in use, which is convenient for reducing space occupancy and may enhance the overall safety of the system. The protective cover can seal the opening of the pin holder, which can effectively protect the new pin from external dust, pollution or damage, ensuring the safe storage and convenient replacement of spare pins. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a replaceable pin assembly for a charging port of a charging gun according to the present invention; Figure 2 It is a cross-sectional schematic diagram of the overall structure of a replaceable pin assembly for a charging interface of a charging gun of the present invention when the pin is replaced; Figure 3 A schematic cross-sectional view of a charging gun main body structure of a replaceable pin assembly for a charging port of a charging gun according to the present invention; Figure 4 It is a schematic cross-sectional view of a pin limit seat structure of a replaceable pin assembly for a charging port of a charging gun according to the present invention; Figure 5 This is a schematic diagram of the structure of a fixing frame for a replaceable pin assembly of a charging port of a charging gun according to the present invention; Figure 6 This is a schematic diagram of the structure of an adjustment mechanism of a replaceable pin assembly for a charging interface of a charging gun according to the present invention; Figure 7This is a schematic diagram of the structure of a pin socket of a replaceable pin assembly for a charging port of a charging gun according to the present invention; Figure 8 The present invention is a schematic cross-sectional view of a pin sleeve structure of a replaceable pin assembly for a charging interface of a charging gun.

[0018] The following are marked in the figure: 1. Charging gun body; 2. Pin limiter seat; 3. Pin A; 4. Fixing frame; 5. Moving block; 6. Adjusting mechanism; 7. Pin seat; 8. Pin sleeve; 9. Pin B; 101. Pin hole; 102. Conductive rod; 103. Conductive sleeve; 104. Tension spring A; 105. Slider; 106. Tension spring B; 107. Cleaning ring; 201. Inclined block; 202. Limiter ; 203, spring A; 204, electric push rod A; 205, pushing ring; 401, protective cover; 402, rack; 403, electric push rod B; 601, fixing rod; 602, worm; 603, transmission wheel; 604, worm wheel; 605, rotating shaft; 701, placement hole; 801, electric push rod C; 802, fixing plate; 803, guide rod; 804, clamping head; 805, spring B. DETAILED DESCRIPTION

[0019] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0020] like Figure 1-Figure 8 A replaceable pin assembly for a charging port of a charging gun is shown, comprising a charging gun body 1, one end of which is connected and fixedly provided with a plurality of pin limit seats 2, in which pins A3 are inserted, a fixing frame 4 is connected and fixedly provided on the lower surface of the charging gun body 1, a moving block 5 is provided on one side of the fixing frame 4, an adjusting mechanism 6 is connected and fixedly provided on the moving block 5, a pin seat 7 is rotatably connected on the moving block 5, a plurality of pin sleeves 8 are placed in the pin seat 7, and pins B9 are inserted in the pin sleeves 8.

[0021] like Figure 3As shown, a plurality of pin holes 101 are provided at one end of the charging gun body 1, a plurality of conductive rods 102 are connected and fixedly arranged inside the charging gun body 1, a conductive sleeve 103 is provided on the conductive rod 102 in sliding contact, a plurality of tension springs A104 are connected and fixedly arranged on the conductive sleeve 103, the other end of the tension spring A104 is connected and fixedly arranged with the pin limit seat 2, a slider 105 is provided on the inner wall of the pin hole 101 in sliding cooperation, a tension spring B106 is connected and fixedly arranged at one end of the slider 105, the other end of the tension spring B106 is connected and fixedly arranged with the inner wall of the pin hole 101, a cleaning ring 107 is connected and fixedly arranged at the outer end of the slider 105, and a sponge pad is connected and fixedly arranged at the inner circle of the cleaning ring 107. The cleaning ring 107 and the sponge pad can automatically push out and clean the attachments in the pin hole 101 and on the pin A3. The stretched tension spring A104 will drive the connected conductive sleeve 103 to move quickly, thereby pushing out the damaged pin A3.

[0022] like Figure 4 As shown, the pin limit seat 2 is symmetrically structured and has multiple inclined blocks 201 that are slidably fitted throughout. One end of the inclined block 201 located inside the pin limit seat 2 is connected and fixedly provided with a limit block 202. The limit block 202 is movably plugged into the outer wall of the pin A3. A spring A203 is connected and fixedly provided on the limit block 202. The other end of the spring A203 is connected and fixedly provided with the inner wall of the pin limit seat 2.

[0023] The outer side of the pin limit seat 2 is connected and fixedly provided with an electric push rod A204, and the output end of the electric push rod A204 is connected and fixedly provided with a push ring 205, which is arranged in sliding contact with the outer wall of the inclined surface block 201. The electric push rod A204 drives the connected push ring 205 to move, and at this time the push ring 205 will contact and squeeze the inclined surface of the inclined surface block 201, so that the inclined surface block 201 drives the connected limit block 202 to move, so that the limit block 202 does not limit the damaged pin A3.

[0024] like Figure 5 As shown, a protective cover 401 is fixedly connected to the bottom of the fixed frame 4, a rack 402 is fixedly connected to the fixed frame 4, an electric push rod B403 is fixedly connected to the fixed frame 4, and the other end of the electric push rod B403 is fixedly connected to the moving block 5. The electric push rod B403 is used to drive the connected moving block 5 to move.

[0025] like Figure 6 As shown, the adjustment mechanism 6 includes a fixed rod 601, one end of which is connected and fixed to the moving block 5, a worm 602 is rotatably connected to the fixed rod 601, and a transmission wheel 603 is connected and fixed to the top of the fixed rod 601, and the transmission wheel 603 is meshed with the rack 402 for transmission.

[0026] A worm wheel 604 is meshed and driven on one side of the worm 602, and a rotating shaft 605 is fixedly connected to the worm wheel 604, and one end of the rotating shaft 605 is fixedly connected to the pin seat 7. When the transmission wheel 603 is meshed with the rack 402, the worm 602 connected to the transmission wheel 603 is driven to rotate, so that the worm 602 drives the worm wheel 604 to rotate, so that the worm wheel 604 drives the connected rotating shaft 605 to rotate, so that the rotating shaft 605 drives the connected pin seat 7 to rotate, so that the placement hole 701 on the pin seat 7 is aligned with the pin hole 101.

[0027] like Figure 7 As shown, a plurality of placement holes 701 are provided on the pin socket 7, and the open end of the pin socket 7 is movably plugged with the protective cover 401.

[0028] like Figure 8 As shown, an electric push rod C801 is connected and fixedly arranged at one end of the pin sleeve 8, and one end of the electric push rod C801 is connected and fixedly arranged with the inner wall of the placement hole 701. Two fixed plates 802 are connected and fixedly arranged on the outer side of the pin sleeve 8. A plurality of guide rods 803 are connected and fixedly arranged on one side of the fixed plate 802. A clamping head 804 is slidably arranged on the guide rod 803. One end of the clamping head 804 is arranged in a conical structure. The outer wall of the clamping head 804 is arranged in movable contact with one end of the pin B9. A spring B805 is connected and fixedly arranged on the clamping head 804. The other end of the spring B805 is connected and fixedly arranged with the fixed plate 802. The electric push rod C801 drives the connected pin sleeve 8 to move, so that the pin sleeve 8 inserts the pin B9 into the pin hole 101, and inserts the new pin B9 into the pin sleeve 8. At this time, under the action of the spring B805, the clamping head 804 will move to clamp and limit the new pin B9.

[0029] Working principle: During the use of the charging gun body 1, when the charging gun body 1 is unplugged from the vehicle charging port, under the action of the tension spring B106, the cleaning ring 107 and the connected sponge pad connected to the slider 105 can automatically push out and clean the attachments in the pin hole 101 and on the pin A3, so that the cleaning ring 107 and the cleaning ring 107 on the cleaning ring 107. When the damaged pin A3 needs to be replaced, the electric push rod A204 is first used to drive the connected push ring 205 to move. At this time, the push ring 205 will contact and squeeze the inclined surface of the inclined block 201, so that the inclined block 201 drives the connected limit block 202 to move, so that the limit block 202 does not limit the damaged pin A3. At this time, the stretched tension spring A104 will drive the connected conductive sleeve 103 to move quickly, thereby pushing out the damaged pin A3; Then, the electric push rod B403 is used to drive the connected moving block 5 to move. At this time, the moving block 5 will drive the connected pin holder 7 to move to the side of the charging gun body 1. Then, when the transmission wheel 603 is meshed with the rack 402, the worm 602 connected to the transmission wheel 603 will be driven to rotate, so that the worm 602 drives the worm wheel 604 to rotate, so that the worm wheel 604 drives the connected rotating shaft 605 to rotate, so that the rotating shaft 605 drives the connected pin holder 7 to rotate, so that the placement hole 701 on the pin holder 7 is aligned with the pin hole 101; Then, the electric push rod C801 is used to drive the connected pin sleeve 8 to move, so that the pin sleeve 8 inserts the pin B9 into the pin hole 101, and then one end of the pin B9 passes through the pin limit seat 2 and is inserted into the conductive sleeve 103, and then the electric push rod A204 drives the push ring 205 to move. At this time, under the action of the spring A203, the limit block 202 is inserted into the pin B9 to limit its installation; Then, the pin holder 7 is retracted to the lower side of the charging gun body 1 and paused, and then a new pin B9 is inserted into the pin sleeve 8. At this time, under the action of the spring B805, the clamping head 804 will move to clamp and limit the new pin B9 for standby use, and then continue to drive the pin holder 7 to move so that one end of it is inserted into the protective cover 401.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A replaceable pin assembly for a charging port of a charging gun, comprising a charging gun body (1), characterized in that: A plurality of pin limiting seats (2) are fixedly connected to one end of the charging gun body (1), and a pin A (3) is inserted into the pin limiting seat (2). A fixing frame (4) is fixedly connected to the lower surface of the charging gun body (1), and a moving block (5) is arranged on one side of the fixing frame (4). An adjustment mechanism (6) is fixedly connected to the moving block (5), and a pin seat (7) is rotatably connected to the moving block (5). A plurality of pin sleeves (8) are placed in the pin seat (7), and a pin B (9) is inserted into the pin sleeve (8).

2. A replaceable pin assembly for a charging port of a charging gun according to claim 1, characterized in that: A plurality of pin holes (101) are provided at one end of the charging gun body (1), a plurality of conductive rods (102) are connected and fixedly arranged inside the charging gun body (1), a conductive sleeve (103) is provided on the conductive rod (102) in sliding contact, a plurality of tension springs A (104) are connected and fixedly arranged on the conductive sleeve (103), the other end of the tension spring A (104) is connected and fixedly arranged with the pin limit seat (2), a slider (105) is provided on the inner wall of the pin hole (101) in sliding cooperation, a tension spring B (106) is connected and fixedly arranged at one end of the slider (105), the other end of the tension spring B (106) is connected and fixedly arranged with the inner wall of the pin hole (101), a cleaning ring (107) is connected and fixedly arranged at the outer end of the slider (105), and a sponge pad is connected and fixedly arranged at the inner circle of the cleaning ring (107).

3. A replaceable pin assembly for a charging port of a charging gun according to claim 1, characterized in that: The pin limit seat (2) is symmetrically structured and has a plurality of inclined blocks (201) that are slidably fitted therethrough. One end of the inclined block (201) located inside the pin limit seat (2) is connected and fixedly provided with a limiting block (202). The limiting block (202) is movably plugged with the outer wall of the pin A (3). A spring A (203) is connected and fixedly provided on the limiting block (202). The other end of the spring A (203) is connected and fixedly provided with the inner wall of the pin limit seat (2).

4. A replaceable pin assembly for a charging port of a charging gun according to claim 3, characterized in that: An electric push rod A (204) is fixedly connected to the outer side of the pin limiting seat (2), and a push ring (205) is fixedly connected to the output end of the electric push rod A (204), and the push ring (205) is in sliding contact with the outer wall of the inclined surface block (201).

5. The replaceable pin assembly for the charging port of a charging gun according to claim 1, characterized in that: A protective cover (401) is fixedly connected to the bottom end of the fixed frame (4), a rack (402) is fixedly connected to the top of the fixed frame (4), an electric push rod B (403) is fixedly connected to the top of the fixed frame (4), and the other end of the electric push rod B (403) is fixedly connected to the moving block (5).

6. A replaceable pin assembly for a charging port of a charging gun according to claim 1, characterized in that: The adjustment mechanism (6) comprises a fixed rod (601), one end of which is connected and fixedly arranged with the moving block (5), a worm (602) being rotatably connected to the fixed rod (601), a transmission wheel (603) being connected and fixedly arranged at the top end of the fixed rod (601), and the transmission wheel (603) being meshed and transmission-arranged with the rack (402).

7. A replaceable pin assembly for a charging port of a charging gun according to claim 6, characterized in that: A worm wheel (604) is meshingly provided on one side of the worm (602), and a rotating shaft (605) is fixedly connected to the worm wheel (604), and one end of the rotating shaft (605) is fixedly connected to the pin seat (7).

8. The replaceable pin assembly for the charging port of a charging gun according to claim 1, characterized in that: The pin socket (7) is provided with a plurality of placement holes (701), and the open end of the pin socket (7) is movably plugged into the protective cover (401).

9. The replaceable pin assembly for the charging port of a charging gun according to claim 1, characterized in that: One end of the pin sleeve (8) is connected and fixedly provided with an electric push rod C (801), one end of the electric push rod C (801) is connected and fixedly provided with the inner wall of the placement hole (701), the outer side of the pin sleeve (8) is connected and fixedly provided with two fixing plates (802), one side of the fixing plate (802) is connected and fixedly provided with a plurality of guide rods (803), a clamping head (804) is slidably provided on the guide rod (803), one end of the clamping head (804) is provided with a conical structure, the outer wall of the clamping head (804) is provided in movable contact with one end of the pin B (9), a spring B (805) is connected and fixedly provided on the clamping head (804), and the other end of the spring B (805) is connected and fixedly provided with the fixing plate (802).

Images