Freely detachable battery electrode protective cover mounting structure

Abstract

The utility model provides a battery electrode protective cover mounting structure capable of being freely detached. The battery electrode protective cover mounting structure comprises a positive terminal of a battery and a plastic cover body coaxially covering the positive terminal, at least one notch is formed in the annular peripheral wall of the plastic cover body, and a pull rod strip is correspondingly arranged at each notch; the pull rod strip is composed of a force application section exposed on the outer side of the gap, a transition section and a positive terminal clamping section located on the inner side of the gap; the pull rod strip is rigidly connected with the plastic cover body through the transition section, and the joint of the transition section and the plastic cover body is a weak part; a clamping groove corresponding to the pull rod strip is formed in the peripheral surface of the positive terminal; and the positive terminal clamping section of the pull rod strip is inserted into the corresponding clamping groove to realize insertion matching. According to the utility model, the battery electrode protection cover can be freely detached; in addition, the requirement for the matching degree of the diameter of the positive terminal and the inner diameter of the plastic cover body is lower.

Description

Technical Field

[0001] The utility model relates to the field of batteries, in particular to a freely detachable battery electrode protection cover installation structure. Background Art

[0002] The center of the positive end of the dry cell battery is protruding outward to form a positive terminal. A plastic cover is fastened to the positive end of the dry cell battery to cover the positive terminal. This can not only effectively prevent the dry cell battery from poor contact due to oxidation or rust of the positive terminal, but also prevent the two poles of the dry cell battery from being short-circuited by common conductive objects such as coins and keys. Most existing dry cell battery electrode protection covers are installed on the positive terminal of the battery by interference fit. Since the dry cell battery electrode protection cover is an injection-molded plastic product, the diameter of the product is difficult to control due to its manufacturing process. Therefore, the inner diameter of the electrode protection cover will have a certain degree of deviation, which directly affects the fit between the electrode protection cover and the positive terminal. It often happens that the electrode protection cover and the positive terminal are not tightly fitted, causing the electrode protection cover to fall off easily; or the electrode protection cover and the positive terminal are too tightly fitted, making it difficult to remove the electrode protection cover. Utility Model Content

[0003] The purpose of the utility model is to provide a freely detachable battery electrode protection cover installation structure.

[0004] The technical solution for achieving the purpose of the utility model is: a freely detachable battery electrode protection cover installation structure, comprising a positive terminal of a battery and a plastic cover coaxially arranged on the positive terminal;

[0005] The plastic cover includes an annular circumferential wall, and at least one notch is provided on the annular circumferential wall of the plastic cover. A tie rod is provided at each notch. The tie rod consists of a force-applying section exposed outside the notch, a transition section, and a positive terminal clamping section located inside the notch. The tie rod is rigidly connected to the plastic cover via the transition section, and the junction between the transition section and the plastic cover is a weak portion.

[0006] A clamping groove corresponding to the pull rod strip is provided on the outer peripheral surface of the positive terminal, and the positive terminal clamping section of the pull rod strip is inserted into the corresponding clamping groove to achieve plug-in fit.

[0007] The present invention can not only realize the clamping and fixing between the battery electrode protection cover and the positive terminal of the battery by the plug-in fit between the positive terminal clamping section of the pull rod bar and the outer peripheral surface of the positive terminal of the battery, but also can disconnect the pull rod bar from the plastic cover body by applying external force on the force-applying part of the pull rod bar, remove the pull rod bar, and then easily remove the plastic cover body, thereby realizing the free disassembly of the plastic cover body (battery electrode protection cover); and, the battery electrode protection cover and the positive terminal of the battery of the present invention are fixedly connected by the pull rod bar, and compared with the fixed connection method of direct tight fit between the two, the matching degree requirement for the positive terminal diameter and the inner diameter of the plastic cover is also lower.

[0008] Preferably, the tie rod strip is arranged to extend gradually from bottom to top and radially outward. By prying the tie rod strip downward and outward, the tie rod strip can be disconnected from the joint between the tie rod strip and the plastic cover.

[0009] Preferably, the number of the notches is ≥ two. In a specific implementation process, the notches are evenly arranged around the circumference.

[0010] Preferably, the plastic cover is tapered with a width at the top and a narrowness at the bottom. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of a half-section structure of the freely detachable battery electrode protection cover installation structure of the present invention in the installed state;

[0012] Figure 2 This is a schematic diagram of a half-section structure of the freely detachable battery electrode protection cover installation structure of the present invention with the pull rod removed. DETAILED DESCRIPTION

[0013] The preferred embodiment of the freely detachable battery electrode protection cover installation structure of the present invention is described in detail below with reference to the accompanying drawings.

[0014] like Figure 1 As shown, a freely detachable battery electrode protection cover installation structure includes a positive terminal 20 of a battery and a plastic cover 10 coaxially arranged on the positive terminal 20;

[0015] The plastic cover 10 includes an annular circumferential wall 11, with at least one notch 12 provided on the annular circumferential wall 11 of the plastic cover 10. A tie rod 13 is provided at each notch 12. The tie rod 13 comprises a force-applying section 131 exposed outside the notch 12, a transition section 132, and a positive terminal engaging section 133 located inside the notch 12. The tie rod 13 is rigidly connected to the plastic cover 10 via the transition section 132, and the junction between the transition section 132 and the plastic cover 10 forms a weak portion 100.

[0016] A snap-in slot 21 corresponding to the tie rod 13 is provided on the outer circumferential surface of the positive terminal 20 , and the positive terminal snap-in section 133 of the tie rod 13 is inserted into the corresponding snap-in slot 21 to achieve plug-in engagement.

[0017] The weak portion refers to a portion where the connection strength is insufficient and which will first break when the tie rod 13 is subjected to external force.

[0018] When the battery is not in use, the transition section 132 of the present invention maintains a rigid connection with the plastic cover 10 and is engaged with the positive terminal clip section 133 of the pull rod 13 and the corresponding clip slot 21 (as shown in FIG. Figure 1 As shown), it can ensure that the battery electrode protection cover (i.e., the plastic cover 10) is clamped and fixed with the positive terminal 20 of the battery to prevent the electrode protection cover from accidentally falling off; and when the battery needs to be used, an external force is applied to the force-applying portion of the pull rod 13 to disconnect the pull rod 13 from the joint between the pull rod 13 and the plastic cover 10, and the pull rod 13 is removed after disconnection (as shown). Figure 2 ), the plastic cover can be easily removed.

[0019] Preferably, the tie rod 13 extends from bottom to top and gradually tilts radially outward. By prying the tie rod 13 downward and outward, the tie rod 13 can be disconnected from the joint between the tie rod 13 and the plastic cover 10. Of course, the extension direction of the tie rod 13 can be, but is not limited to, from bottom to top and gradually tilting radially outward, and its extension direction can be adjusted according to actual needs.

[0020] Preferably, the number of the notches 12 is ≥ two. In a specific implementation, the notches 12 are evenly arranged around the circumference. Of course, the number of the notches 12 is not limited to two as shown in the drawings, and can be adjusted as needed, for example, one or ≥ three.

[0021] Preferably, the plastic cover 10 is tapered with a width at the top and a narrowness at the bottom.

[0022] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, is also included in the patent protection scope of the present invention.

Claims

1. A removable battery electrode protective cover mounting structure, comprising a positive terminal of a battery and a plastic cover coaxially mounted on the positive terminal; the plastic cover including an annular peripheral wall, characterized in that: At least one notch is provided on the annular peripheral wall of the plastic cover, and a tie rod is provided at each notch; the tie rod consists of a force-applying section exposed outside the notch, a transition section, and a positive terminal clamping section located inside the notch; the tie rod is rigidly connected to the plastic cover via the transition section, and the junction between the transition section and the plastic cover is a weak portion; A clamping groove corresponding to the pull rod strip is provided on the outer peripheral surface of the positive terminal, and the positive terminal clamping section of the pull rod strip is inserted into the corresponding clamping groove to achieve plug-in fit.

2. The detachable battery electrode protection cover installation structure according to claim 1, characterized in that: The pull rod strips are arranged to extend gradually from bottom to top and radially outward.

3. The detachable battery electrode protection cover installation structure according to claim 1, characterized in that: The number of the notches is ≥ two, and the notches are evenly arranged around their circumferences.

4. The detachable battery electrode protection cover installation structure according to claim 1, characterized in that: The plastic cover is tapered and wide at the top and narrow at the bottom.

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