Car lamp with anti-reverse-connection protection function

Abstract

The utility model discloses a car lamp with anti-reverse connection protection, which comprises a car lamp body, a battery cavity is arranged in the car lamp body, a battery cover is matched with the battery cavity, two groups of battery connecting parts are arranged in the battery cavity, each group of battery connecting parts comprises a positive electrode connecting end and a negative electrode connecting spring, and the diameter of the negative electrode connecting spring is larger than that of the positive electrode connecting end. Baffles close to the positive electrode connecting end are arranged on the two sides of the top face of the battery cover respectively, battery positive electrode avoiding grooves are formed in the baffles, and the width of the battery positive electrode avoiding grooves is smaller than the diameter of the negative electrode connecting spring; and when the battery is placed reversely or connected reversely, the battery cover cannot be covered smoothly, a user is prompted, and then the battery is mounted in the direction changed again, so that the potential safety hazard of reverse connection of the battery is avoided, and the battery which can be normally used is also prevented from being discarded.

Description

Technical Field

[0001] The utility model belongs to the technical field of bicycle lights, and in particular relates to a light with anti-reverse connection protection. Background Art

[0002] Bicycles are a widely used means of transportation. They not only have the function of transportation, but also can exercise the body and mind and relieve stress. As people's safety awareness gradually increases, more and more bicycles are equipped with lights.

[0003] Bicycle lights are generally installed on the handlebars of a bicycle through a light connecting frame. The light and the connecting frame are detachable, making it easy to remove the light, remove the battery cover, and disassemble and replace the battery inside.

[0004] However, current headlights lack reverse connection protection, and batteries are easily installed upside down, which not only poses a safety hazard, but also causes users to mistakenly believe that the installed batteries are dead when the headlights cannot be used normally, and discard batteries that can still be used normally, causing waste. At the same time, during use, the batteries will inevitably experience bumps with the headlights, and the batteries are prone to shaking, affecting their safe use. Utility Model Content

[0005] The utility model provides a car lamp with anti-reverse connection protection. When the battery is placed in the opposite direction or connected in reverse, the battery cover cannot be successfully covered, and a user is prompted, and then the battery direction is changed and installed again, thereby avoiding the safety hazard of reverse connection of the battery and avoiding discarding of batteries that can still be used normally, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a headlight with anti-reverse connection protection, comprising a headlight body, a battery cavity is provided in the headlight body, the battery cavity is matched with a battery cover, two groups of battery connecting parts are provided in the battery cavity, each group of the battery connecting parts comprises a positive connecting end and a negative connecting spring, the diameter of the negative connecting spring is larger than the positive connecting end, baffles close to the positive connecting end are respectively provided on both sides of the top surface of the battery cover, a battery positive avoidance groove is provided on the baffle, and the width of the battery positive avoidance groove is smaller than the diameter of the negative connecting spring.

[0007] Preferably, the baffle and the battery cover are integrally injection molded.

[0008] Preferably, two groups of battery upper positioning parts are arranged in parallel on the top of the battery cavity, each group of the battery upper positioning parts comprises two upper positioning plates, and upper positioning grooves are arranged on the bottom of the upper positioning plates.

[0009] Preferably, a plurality of first elastic anti-slip strips are arranged at intervals on the upper limit groove.

[0010] Preferably, two groups of battery lower limit parts are arranged in parallel on the battery cover, each group of the battery lower limit parts includes two lower limit plates, and the top of the lower limit plate is provided with a lower limit groove.

[0011] Preferably, a plurality of second elastic anti-slip strips are arranged at intervals on the lower limiting groove.

[0012] Preferably, a battery indicator mark is provided on the battery cover.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. When the battery is placed in the wrong direction or connected in reverse, the battery cover cannot be successfully closed. The user is prompted and then the battery is re-installed to avoid the safety hazard of reverse connection of the battery and to avoid discarding batteries that can still be used normally.

[0015] 2. When the headlight is in use, the battery is limited up and down by the upper limit groove of the upper limit plate and the lower limit groove of the lower limit plate, and is elastically clamped by the first elastic anti-slip strip and the second elastic anti-slip strip, so that the battery is not easy to shake or rotate, and is safer to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0017] Figure 2 This is a schematic cross-sectional view of the utility model without a battery cover;

[0018] Figure 3 This is a schematic diagram of the battery cover structure when viewed from above of the present utility model;

[0019] Figure 4 It is a schematic diagram of the side view structure of the battery cover, baffle, battery positive electrode avoidance groove, and lower limit plate of the utility model;

[0020] Figure 5 It is a schematic diagram of the upper limit plate, the upper limit groove, and the first elastic anti-slip strip structure of the utility model;

[0021] Figure 6 It is a schematic diagram of the structure of the lower limit plate, the lower limit groove and the second elastic anti-slip strip of the utility model.

[0022] In the figure: 1. Headlight body; 2. Battery cavity; 3. Battery cover; 4. Positive electrode connection terminal; 5. Negative electrode connection spring; 6. Baffle; 7. Battery positive electrode avoidance groove; 8. Upper limit plate; 9. Upper limit groove; 10. First elastic anti-slip strip; 11. Lower limit plate; 12. Lower limit groove; 13. Second elastic anti-slip strip; 14. Battery indicator mark. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-6 The utility model provides a headlight with reverse connection protection, including a headlight body 1, a battery cavity 2 is arranged in the headlight body 1, the battery cavity 2 is matched with a battery cover 3, two groups of battery connection parts are arranged in the battery cavity 2, each group of battery connection parts includes a positive connection terminal 4 and a negative connection spring 5, the diameter of the negative connection spring 5 is larger than the positive connection terminal 4, baffles 6 close to the positive connection terminal 4 are respectively arranged on both sides of the top surface of the battery cover 3, and a battery positive avoidance groove 7 is arranged on the baffle 6, and the width of the battery positive avoidance groove 7 is smaller than the diameter of the negative connection spring 5; when in use, the battery is placed in the battery cavity 2 Finally, put on the battery cover 3. Since the battery cover 3 is provided with a baffle 6, when the battery is in the correct direction, the battery positive avoidance groove 7 of the baffle 6 will avoid the positive electrode of the battery during the closing process of the battery cover 3, and the battery cover 3 can be successfully covered, and then the lamp body 1 can be used normally; when the battery is reversed and connected in reverse, when the battery cover 3 is closed, the width of the battery positive avoidance groove 7 is smaller than the diameter of the negative electrode connection spring 5, and the baffle 6 will be blocked by the negative electrode connection spring 5, and the battery cover 3 cannot be successfully covered, so the user is prompted, and then the battery direction is re-changed for installation, so as to avoid the safety hazard of reverse battery connection and the discarding of batteries that can still be used normally.

[0025] Specifically, the baffle plate 6 and the battery cover 3 are integrally injection molded; in this embodiment, the overall processing and manufacturing is convenient, the efficiency is improved, and the stability of the connection between the baffle plate 6 and the battery cover 3 is improved.

[0026] Specifically, two groups of battery upper positioning parts are arranged in parallel on the top of the battery cavity 2, and each group of the battery upper positioning parts includes two upper positioning plates 8. An upper positioning groove 9 is arranged at the bottom of the upper positioning plate 8. In this embodiment, the upper part of the battery is limited by the upper positioning groove 9 of the upper positioning plate 8 to reduce its shaking.

[0027] Specifically, a plurality of first elastic anti-slip strips 10 are provided at intervals on the upper limit groove 9; in the present embodiment, the first elastic anti-slip strips 10 are provided to elastically clamp the upper part of the battery, thereby further reducing the shaking and rotation of the battery.

[0028] Specifically, two groups of battery lower limit parts are arranged in parallel on the battery cover 3, and each group of battery lower limit parts includes two lower limit plates 11, and a lower limit groove 12 is arranged on the top of the lower limit plate 11; in this embodiment, the lower part of the battery is limited by the lower limit groove 12 of the lower limit plate 11 to reduce its shaking.

[0029] Specifically, a plurality of second elastic anti-slip strips 13 are provided at intervals on the lower limit groove 12; in the present embodiment, the second elastic anti-slip strips 13 are provided to elastically clamp the lower part of the battery, thereby further reducing the shaking and rotation of the battery.

[0030] Specifically, a battery indicator mark 14 is provided on the battery cover 3; in this embodiment, a direction prompt is provided to the user before installing the battery.

[0031] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0032] Working principle: When in use, place the battery in the battery cavity 2 and then close the battery cover 3. Since the battery cover 3 is provided with a baffle 6, when the battery is in the correct direction, the battery positive avoidance groove 7 of the baffle 6 will avoid the positive electrode of the battery during the closing process of the battery cover 3, and the battery cover 3 can be successfully closed, and then the lamp body 1 can be used normally; when the battery is placed in the wrong direction and connected in reverse, when the battery cover 3 is closed, the width of the battery positive avoidance groove 7 is smaller than the diameter of the negative connection spring 5, and the baffle 6 will be blocked by the negative connection spring 5, and the battery cover 3 cannot be successfully closed, so the user is prompted, and then the battery direction is re-changed for installation, so as to avoid the safety hazard of reverse connection of the battery and avoid discarding the battery that can still be used normally.

[0033] At the same time, when the headlight is in use, the battery is limited up and down by the upper limit groove 9 of the upper limit plate 8 and the lower limit groove 12 of the lower limit plate 11, and is elastically clamped by the first elastic anti-slip strip 10 and the second elastic anti-slip strip 13, so that the battery is not easy to shake or rotate, and is safer to use.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle lamp with reverse connection protection, comprising a vehicle lamp body (1), wherein a battery cavity (2) is provided in the vehicle lamp body (1), and the battery cavity (2) is matched with a battery cover (3), wherein: Two groups of battery connection parts are arranged in the battery cavity (2), each group of battery connection parts comprises a positive electrode connection end (4) and a negative electrode connection spring (5), the diameter of the negative electrode connection spring (5) is larger than the positive electrode connection end (4), baffles (6) close to the positive electrode connection end (4) are respectively arranged on both sides of the top surface of the battery cover (3), and a battery positive electrode avoidance groove (7) is arranged on the baffle (6), and the width of the battery positive electrode avoidance groove (7) is smaller than the diameter of the negative electrode connection spring (5).

2. A vehicle lamp with reverse connection protection according to claim 1, characterized in that: The baffle (6) and the battery cover (3) are integrally injection-molded.

3. The vehicle lamp with reverse connection protection according to claim 1, characterized in that: Two groups of battery upper limit parts are arranged in parallel at the top of the battery cavity (2), each group of the battery upper limit parts comprises two upper limit plates (8), and the bottom of the upper limit plates (8) is provided with an upper limit groove (9).

4. A vehicle lamp with reverse connection protection according to claim 3, characterized in that: A plurality of first elastic anti-slip strips (10) are arranged at intervals on the upper limit groove (9).

5. The vehicle lamp with reverse connection protection according to claim 1, characterized in that: Two groups of battery lower limit parts are arranged in parallel on the battery cover (3), each group of battery lower limit parts comprises two lower limit plates (11), and a lower limit groove (12) is provided on the top of the lower limit plate (11).

6. A vehicle lamp with reverse connection protection according to claim 5, characterized in that: A plurality of second elastic anti-slip strips (13) are arranged at intervals on the lower limiting groove (12).

7. The vehicle lamp with reverse connection protection according to claim 1, characterized in that: The battery cover (3) is provided with a battery indicator mark (14).

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