CN219419444U - Screw-type lug of storage battery - Google Patents

Abstract

The application discloses battery screw thread type lug belongs to battery accessory technical field for provide one kind and connect stably, can not lead to the fact the battery screw thread type lug of damage to battery motor end, including mutually supporting revolve fixed nut and electrode slice, the electrode slice includes the cover ring, the lower extreme of cover ring has coaxial embedded expansion cover, the interior outer wall of embedded expansion cover is the round platform shape of falling, and set up the deformation gap that link up the interior outer wall and extend to the lower terminal surface, the internal thread has been seted up to the inner wall of embedded expansion cover, the side of cover ring has the extension piece, be used for being connected with the wire, revolve fixed nut includes the electrode cover, the external screw thread has been seted up to the surface of electrode cover. The utility model discloses an expansion cover when the design is embedded utilizes the outer expansion effect of electrode cover to fix the lug to the casing of battery, lets the electrode tip and the electrode cover cooperation of battery, and the pressure effect of contact is even, can not produce friction loss to the electrode tip hardly, has prolonged the life of battery electrode tip.

Description

Screw-type lug of storage battery

Technical Field

The application relates to the technical field of storage battery accessories, in particular to a threaded lug of a storage battery.

Background

The storage battery is one of very important parts in the fuel vehicle, and the main shaft of the engine is driven to rotate by the motor function when the vehicle starts, so that the engine is started, the storage battery needs to be connected with a power line through an electric terminal to supply power outwards, the existing electric terminal for the storage battery is usually in a bolt tightening mode, but scratches or scratches are left on an electrode terminal of the storage battery when the terminal is detached each time, on one hand, the appearance is poor, on the other hand, the diameter of the motor terminal is reduced for a long time, the bolt is not tightened, and if the bolt jolts and breaks away in a running process, the vehicle is difficult for a novice to start.

Disclosure of Invention

The purpose of this application is to provide a connect stable, can not cause the battery screw thread type lug of damage to battery motor end.

In order to achieve the above object, the present application provides a threaded connection tab for a storage battery: the electrode plate comprises a cover ring, wherein the lower end of the cover ring is provided with a coaxial embedded expansion sleeve, the inner wall and the outer wall of the embedded expansion sleeve are of inverted truncated cone shapes and are provided with deformation gaps which penetrate through the inner wall and the outer wall and extend to the lower end face, the inner wall of the embedded expansion sleeve is provided with inner threads, the side face of the cover ring is provided with an extension piece and is used for being connected with a wire, the rotating nut comprises an electrode sleeve, the outer surface of the electrode sleeve is provided with outer threads, and when the outer diameter of the electrode sleeve is matched with the inner threads, the outer diameter of the embedded expansion sleeve is enlarged, so that the embedded expansion sleeve is conveniently embedded into the fixed ring; on the other hand, the screw can be firmly sleeved by screwing.

Preferably, the deformation gaps extend from the lower end face of the embedded expansion sleeve to the lower end face of the cover ring, the extending direction of the deformation gaps is consistent with the axial direction of the embedded expansion sleeve, the number of the deformation gaps is a plurality of, the deformation gaps are distributed around the axial line of the embedded expansion sleeve at equal intervals, and therefore materials are more uniform when the embedded expansion sleeve expands outwards.

As a preferable mode, the clamping groove is formed in the outer surface of the embedded expansion sleeve and the clamping ring is arranged on the outer surface of the embedded expansion sleeve, the clamping groove and the clamping ring are divided into a plurality of sections by the deformation gap, and the size change of the deformation gap is not interfered.

Preferably, the clamping groove is located above the clamping ring and near the bottom surface of the cover ring, and a stepped blocking structure is formed near the contact surface of the cover ring 206 and the fixing ring, so as to prevent liquid water from entering into direct contact with the motor end of the storage battery.

Preferably, the extending sheet is provided with at least two pressing sheets extending towards the symmetrical sides, and a separation gap is reserved between the pressing sheets at the same side, so that the pressing sheets can be operated respectively.

As one preferable, the top of the electrode sleeve is provided with a limiting ring, the outer diameter of the limiting ring is larger than that of the electrode sleeve, the cover ring is provided with a containing groove extending downwards from the upper end surface and suitable for containing the limiting ring, and the top surface of the limiting ring is provided with a wrench matching groove extending downwards and used for being matched with a tool to realize convenient disassembly and assembly.

Preferably, the electrode sleeve is provided with an electrode terminal slot extending upwards from the lower end, and is suitable for being matched with a cylindrical electrode of the storage battery for transmitting electric energy.

Preferably, the battery using the lug has a ring of raised fixing rings around the motor, which are identical to the material of the battery housing, simplifying the structural shaping process of the fixing rings.

Compared with the prior art, the beneficial effect of this application lies in:

(1) The expansion sleeve is designed during embedding, the lug is fixed on the shell of the storage battery by utilizing the outward expansion effect of the electrode sleeve, so that the electrode end of the storage battery is matched with the electrode sleeve, the contact pressure effect is uniform, friction loss is hardly generated on the electrode end, and the service life of the electrode end of the storage battery is prolonged;

(2) Through the nested cooperation structure of multiunit design, not only let the installation stability of connection piece improve, still avoided battery electrode end and air to contact for a long time, obstructed liquid conductor, improved the safety in utilization.

Drawings

Fig. 1 is a first perspective view of the overall structure of the battery screw-type tab;

fig. 2 is a second perspective view of the overall structure of the battery screw-type tab;

fig. 3 is a perspective structural sectional view of an electrode tab of the battery screw-type tab;

fig. 4 is a partial enlarged view of a portion of the battery screw tab of fig. 3;

fig. 5 is a side view of an electrode tab of the battery screw-type tab;

fig. 6 is a schematic perspective view of a screw nut of the screw tab of the battery;

fig. 7 is a perspective structural sectional view of a screw nut of the battery screw tab.

In the figure: 1. screwing a nut; 101. a limiting ring; 102. an electrode sleeve; 103. an external thread; 104. an electrode terminal slot; 105. a wrench mating groove; 2. an electrode sheet; 201. an extension piece; 202. laminating the sheet; 203. a clamping groove; 204. a clasp; 205. an expansion sleeve is embedded; 206. a cover ring; 207. a receiving groove; 208. an internal thread; 209. deformation gap.

Detailed Description

The present application will be further described with reference to the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present application, it should be noted that, for the azimuth terms such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific protection scope of the present application that the device or element referred to must have a specific azimuth configuration and operation, as indicated or implied.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims of the present application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.

The battery screw-type lug as shown in fig. 1-7 comprises a screw-fixing nut 1 and an electrode plate 2 which are mutually matched, a circle of raised fixing ring is arranged around the motor of the battery using the lug, the fixing ring is consistent with the material of the battery shell, and is generally plastic, and is integrally formed with the main body part of the shell during injection molding, so that the structure is very simple, the electrode plate 2 comprises a cover ring 206 which is covered on the fixing ring during installation, the lower end of the cover ring 206 is provided with a coaxial embedded expansion sleeve 205 for being embedded in the fixing ring, the inner wall and the outer wall of the embedded expansion sleeve 205 are of an inverted truncated cone shape, deformation gaps 209 which extend from the lower end face of the embedded expansion sleeve 205 to the lower end face of the cover ring 206 are formed, the extending direction of the deformation gaps 209 is consistent with the axial direction of the embedded expansion sleeve 205, the number of the deformation gaps 209 is a plurality of the cover ring, three to four are generally selected, the deformation gaps 209 are uniformly and uniformly expanded when distributed around the axial line of the embedded expansion sleeve 205, and the deformation gaps 205 are uniformly expanded around the axial line of the embedded expansion sleeve 205.

The internal thread 208 has been seted up to the inner wall of embedded expansion shell 205, draw-in groove 203 has been seted up to the surface of embedded expansion shell 205, be provided with snap ring 204, draw-in groove 203 and snap ring 204 are separated into a plurality of sections by deformation gap 209, do not influence the size change of deformation gap 209, draw-in groove 203 is located the top of snap ring 204 and is close to the bottom surface of covering ring 206, the solid fixed ring inner wall also has corresponding snap ring 204 and draw-in groove 203 structure for prevent to drop after pasting with embedded expansion shell 205 tightly.

The side of the cover ring 206 is provided with extension sheets 201, the extension sheets 201 are provided with lamination sheets 202 extending towards symmetrical sides, at least two lamination sheets 202 on the same side are provided, and a separation gap is reserved between the lamination sheets 202 on the same side for realizing fixed connection between the segments and the conductor engagement.

The screwing nut 1 comprises an electrode sleeve 102, wherein the electrode sleeve 102 is used for being in direct contact with an electrode end of a storage battery, an external thread 103 is formed on the outer surface of the electrode sleeve 102, when the external thread is gradually screwed and tightly matched with an internal thread 208, the outer diameter of an embedded expansion sleeve 205 can be synchronously and slowly expanded, a limiting ring 101 is arranged at the top of the electrode sleeve 102, the outer diameter of the limiting ring 101 is larger than that of the electrode sleeve 102, the maximum screwing depth of the electrode sleeve 102 is limited, a containing groove 207 which extends downwards from the upper end face is formed in a covering ring 206, the limiting ring 101 is suitable for containing the limiting ring, the flushness of the top of the screwing nut 1 and the electrode plate 2 after the screwing nut 1 is matched is improved, meanwhile, the screwing nut 1 is not easy to unscrew under the condition of not using a tool only by virtue of friction force, a wrench matching groove 105 which extends downwards is formed on the top surface of the limiting ring 101, generally a hexagonal groove matched with a hexagonal wrench is formed in the top surface of the limiting ring 102, an electrode end slot 104 which extends upwards from the lower end is suitable for being matched with a cylindrical electrode of the storage battery, and electric connection is realized.

Working principle: during installation, the electrode plate 2 is fixedly connected with the metal end part of the external power line by utilizing the pressing piece 202 on the extending piece 201, sometimes even if the pressing piece 202 is tightly meshed for improving connection stability, the pressing piece is still welded under a few spot welding, after the power line connection is completed, the motor piece is held to aim at the fixing ring around the electrode end of the storage battery, the embedded expansion sleeve 205 is placed into the fixing ring, finally the rotating nut 1 is screwed into the embedded expansion sleeve 205 by a spanner, the diameter of the lower end of the embedded expansion sleeve 205 is gradually increased in the screwing process due to the fact that the outer diameter of the electrode sleeve 102 is larger than that of the embedded expansion sleeve 205, the gap between the lower end of the embedded expansion sleeve 205 and the inner wall of the fixing ring is gradually reduced until the limiting ring 101 is completely sunk into the accommodating groove 207 of the covering ring 206, the embedded expansion sleeve 205 is completely tightly adhered and clamped with the inner wall of the fixing ring, and the electrode end of the storage battery is also inserted into the electrode end slot 104 of the electrode sleeve 102 in a proper manner, and the configuration of the wiring piece is completed.

The foregoing has outlined the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the present application is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the present application, and that various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of protection of the present application is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a battery screw thread formula lug which characterized in that: including mutually supporting revolve fixed nut (1) and electrode slice (2), electrode slice (2) are including covering ring (206), the lower extreme of covering ring (206) has coaxial embedded expansion cover (205), the interior outer wall of embedded expansion cover (205) is the round platform shape of falling to set up the deformation gap (209) that link up the interior outer wall and extend to terminal surface down, internal screw thread (208) have been seted up to the inner wall of embedded expansion cover (205), the side of covering ring (206) has extension piece (201) for be connected with the wire, revolve fixed nut (1) including electrode cover (102), external screw thread (103) have been seted up to the surface of electrode cover (102), when with internal screw thread (208) screw-thread cooperation the external diameter of embedded expansion cover (205) enlarges.

2. The battery screw-type tab as claimed in claim 1, wherein: deformation gap (209) by the lower terminal surface of embedded expansion cover (205) extends to the lower terminal surface of shroud (206), the extending direction of deformation gap (209) with the axis direction of embedded expansion cover (205) is unanimous, the quantity of deformation gap (209) has a plurality of, winds the axis equidistance of embedded expansion cover (205) is arranged.

3. The battery screw-type tab as claimed in claim 2, wherein: clamping grooves (203) are formed in the outer surface of the embedded expansion sleeve (205), clamping rings (204) are arranged on the clamping grooves (203) and the clamping rings (204) are separated into a plurality of sections by the deformation gaps (209).

4. The battery screw-type tab as claimed in claim 3, wherein: the clamping groove (203) is located above the clamping ring (204) and is close to the bottom surface of the cover ring (206).

5. The battery screw-type tab as claimed in claim 4, wherein: the extending sheets (201) are provided with pressing sheets (202) extending towards symmetrical sides, at least two pressing sheets (202) on the same side are arranged, and separation gaps are reserved between the pressing sheets (202) on the same side.

6. The battery screw-type tab according to any one of claims 1 to 5, wherein: the top of electrode holder (102) has spacing ring (101), the external diameter of spacing ring (101) is greater than the external diameter of electrode holder (102), covering ring (206) have been seted up by up end downwardly extending's holding tank (207), are suitable for holding spacing ring (101), spanner cooperation groove (105) of downwardly extending have been seted up to the top surface of spacing ring (101).

7. The battery screw-type tab as claimed in claim 6, wherein: the electrode sleeve (102) is provided with an electrode terminal slot (104) extending upwards from the lower end and is suitable for being matched with a cylindrical electrode of the storage battery.

8. The battery screw-type tab as claimed in claim 7, wherein: the battery using the tab has a ring of raised retaining rings around the motor that conform to the material of the battery housing.