CN219998438U

CN219998438U - Battery box for ammeter with stable conductivity

Info

Publication number: CN219998438U
Application number: CN202321481329.5U
Authority: CN
Inventors: 王亚奔; 罗志鸿
Original assignee: Zhejiang Omten Electronics Co ltd
Current assignee: Zhejiang Omten Electronics Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-12
Publication date: 2023-11-10
Anticipated expiration: 2033-06-12

Abstract

The utility model discloses a battery box for an ammeter, which comprises a battery box, a positive electrode conducting plate and a negative electrode conducting assembly, wherein the negative electrode conducting assembly comprises a negative electrode conducting plate and a spring plate positioned at the inner side of the negative electrode conducting plate, the upper end of the negative electrode conducting plate is provided with a first contact part which is obliquely upwards, the first contact part is matched with the negative electrode of the battery, the spring plate is provided with a mounting part which is used for fixing the spring plate into a carrier, the other end of the mounting part is provided with a bending part which is upwards bent and formed, the other end of the bending part is provided with a pressing part which is matched with the first contact part, the pressing part is obliquely upwards arranged relative to the bending part, the pressing part and the first contact part are both in a plate-shaped structure, and the pressing part enables the first contact part to be in close contact with the negative electrode of the battery. The contact end of the negative electrode conducting strip in the utility model is reliably contacted with the negative electrode of the battery, and the problem of under-voltage is not easy to occur during use.

Description

Battery box for ammeter with stable conductivity

Technical Field

The utility model relates to the field of battery box operation, in particular to a battery box for an ammeter, which is stable in electric conduction.

Background

In the prior art, conical springs can be arranged below the contact end of the negative electrode conducting strip in the battery box, the contact end of the negative electrode conducting strip is supported by the springs, after the battery is filled in, the contact end can be abutted with the negative electrode of the battery, so that the purpose of improving the contact area with the negative electrode of the battery is achieved, the contact area of the springs and the contact end is small, elastic fatigue is very easy to generate after the springs are abutted by the battery for a long time, and when the battery box vibrates, the springs can not enable the contact end to be abutted with the negative electrode, so that the problem of under-voltage of the battery box is solved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a battery box for an ammeter, which has stable conduction, wherein the contact end of a negative electrode conducting sheet in the battery box is reliably contacted with the negative electrode of the battery, and the problem of under-voltage is not easy to occur during use.

The utility model solves the technical problems by adopting the technical scheme that the battery box for the ammeter with stable electric conduction comprises a negative electrode conductive component and is characterized in that: the negative electrode conductive assembly comprises a negative electrode conductive sheet and a spring plate positioned on the inner side of the negative electrode conductive sheet, wherein the upper end of the negative electrode conductive sheet is provided with a first contact part which is inclined upwards, the first contact part is matched with the negative electrode of the battery, the spring plate is provided with a mounting part, the mounting part is used for fixing the spring plate into a carrier, the other end of the mounting part is provided with a bending part which is bent upwards, the other end of the bending part is provided with a pressing part matched with the first contact part, the pressing part is inclined upwards relative to the bending part, the pressing part and the first contact part are all in a plate-shaped structure, and the pressing part enables the first contact part to be in close contact with the negative electrode of the battery.

The technical scheme has the advantages that: along with the card of battery is gone into, the negative pole of battery and first contact portion take place to act on, first contact portion takes place bending deformation downwards and with press the portion of supporting to take place to contact, press the portion of supporting and can make first contact portion form close contact with the negative pole of battery firmly along with first contact portion and carrier formation spacing after, for adopting the mode of spring, the contact area of the portion of supporting of pressing of platelike structure and first contact portion is bigger, the atress is also more even, even after being supported by the battery for a long time, also can make first contact portion and battery negative pole keep close contact, the problem of under-voltage is difficult for appearing, safer in use, the setting of installation department has realized the fixed of position simultaneously, the cooperation stability of shell fragment and negative pole conducting strip is more, the setting of kink for press the portion to have better elasticity, the structural design of shell fragment is also reasonable.

Further, the pressing part is connected with a bending part at one end matched with the bending part, the bending part is outwards curved, and an inwards downward curved abutting part is arranged at the other end of the pressing part.

The technical scheme has the advantages that: through the bending part of extra setting for press the produced elastic potential energy after the portion is pressed stronger, consequently can be better for the first contact portion provides to prop the power, the setting of conflict portion, thereby avoid pressing the portion and take place excessive deformation's phenomenon, and when taking place to shake, conflict portion also can make to press the portion and provide stronger supporting power under the combined action with the bending part, make the first contact portion can keep the negative pole stable contact with the battery, structural design is reasonable.

Further, a first opening which is equally divided is formed in the abutting portion, and the first opening extends to the pressing portion.

The technical scheme has the advantages that: the formation of first opening to equipartition is divided into a plurality of parts with the conflict portion, thereby makes the conflict portion at the in-process that the battery card was gone into, can take place elastic deformation more easily, and the card of battery is gone into laborsaving, and the elasticity of conflict portion is also stronger simultaneously.

Further, a plurality of first hollowed-out openings are uniformly formed in the first contact portion, and first propping sheets which are elastically propped and press-fit on the battery cathode are arranged in the first hollowed-out openings.

The technical scheme has the advantages that: through setting up first fretwork mouth and set up first butt piece in first fretwork mouth, realize the negative pole elastic contact of first contact portion and battery, the contact is more stable abundant, and the power supply connection of battery is more reliable and stable

Further, the battery box further comprises an anode conducting plate, the battery box is formed by assembling a lower cover, an upper cover and an auxiliary cover, a battery compartment and a pin cavity are formed in the battery box, the upper cover and the lower cover are communicated with each other, the anode conducting plate and the cathode conducting plate are in limit fit with the battery compartment and the pin cavity, a supporting structure is formed at the joint of one side of the battery compartment and the pin cavity, the mounting part is inserted and assembled on the front side of the supporting structure, and the pressing part is in interference fit with the upper side of the supporting structure.

The technical scheme has the advantages that: the battery compartment and the pin cavity are integrally formed on the assembled battery box, the power supply battery and the plug socket are effectively fixed through the upper cover and the auxiliary cover, the contact position of the power supply battery and the anode conducting piece and the matching position of the anode pin, the cathode pin and the plug socket are not exposed to the outside, the power is safer, and the spring plate is fixedly installed in the battery box through the supporting structure, and the abutting effect of the pressing part of the spring plate and the inner wall surface of the battery box is realized.

Further, the bearing structure includes backup pad and installation piece, the backup pad with the installation piece is T shape distribution, just is located respectively the lower extreme department of battery compartment with the upper end department in pin chamber, the leading flank top department of installation piece be formed with installation department matched with slot, still form on the leading flank of backup pad with kink matched with holding tank.

The technical scheme has the advantages that: the supporting structure comprises the backup pad and the installation piece that are T shape and distribute for the backup pad in the supporting structure can have higher intensity, and the backup pad is good to the supporting effect of the pressure portion of shell fragment, and the position that both forms is also reasonable, through the slot, with the setting of holding tank, realizes that the shell fragment is stable to be installed, and shell fragment fixed mode is also simple.

Further, the positive electrode conducting plate is provided with a second contact part, a contact structure is arranged on the inner side of the second contact part, and the contact structure is in multi-point contact fit with the peripheral wall of the positive electrode of the battery.

The technical scheme has the advantages that: through setting up contact structure to increase the stability of second contact portion and the anodal contact of battery, make the power supply connection of battery more reliable and stable.

Further, the second contact part is located in the contact structure and is further provided with a second hollow opening, a second propping piece which is elastically propped against the battery anode is arranged in the second hollow opening, and the second propping piece is provided with equally divided second openings.

The technical scheme has the advantages that: through setting up first fretwork mouth and set up the second of cooperation contact structure in first fretwork mouth and support the piece, realized the contact connection to the positive pole double full aspect of battery, positive pole conducting strip and the positive pole cooperation mode reasonable in design of battery, the setting of second opening for the second supports the piece and has better elasticity, and the power supply of battery is connected more reliably and stably.

Further, the battery compartment is located on the inner wall of one side of the upper cover, and a damping device matched with the peripheral wall of the battery is further arranged on the inner wall of one side of the upper cover.

The technical scheme has the advantages that: the damping device ensures the close fit between the battery compartment and the battery, avoids the phenomenon that the battery installed in the battery compartment is in poor contact with the positive electrode conducting strip and the negative electrode conducting strip due to vibration, and is more stable in power on.

Drawings

FIG. 1 is an exploded view of the overall structure of the present utility model;

FIG. 2 is a partial structural state diagram of the present utility model (excluding the battery, upper cover and sub-cover);

FIG. 3 is another state diagram of a part of the structure of the present utility model (excluding the upper cover and the sub-cover);

FIG. 4 is a schematic diagram of a spring plate according to the present utility model;

FIG. 5 is a schematic view of a negative electrode conductive sheet according to the present utility model;

FIG. 6 is a schematic view of a positive electrode conductive sheet according to the present utility model;

fig. 7 is a schematic view of the structure of the lower cover of the present utility model.

In the figure: the lithium ion battery comprises a 1-cathode conducting plate, a 2-elastic sheet, a 3-first contact part, a 4-mounting part, a 5-bending part, a 6-pressing part, a 7-bending part, an 8-pressing part, a 9-first opening, a 10-first pressing sheet, a 11-anode conducting plate, a 12-lower cover, a 13-upper cover, a 14-auxiliary cover, a 15-battery compartment, a 16-pin cavity, a 17-supporting plate, a 18-mounting block, a 19-slot, a 20-containing groove, a 21-second contact part, a 22-contact structure, a 23-second pressing sheet, a 24-second opening and a 25-damping device.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model and/or the technical solutions in the prior art, the following description will explain specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort. The term "azimuth" refers to a relative positional relationship between the members, not to an absolute positional relationship.

Referring to fig. 1 to 7, a battery case for an ammeter with stable conduction comprises a negative electrode conductive component, wherein the negative electrode conductive component comprises a negative electrode conductive sheet 1 and a spring sheet 2 positioned at the inner side of the negative electrode conductive sheet 1, the upper end of the negative electrode conductive sheet 1 is provided with a first contact part 3 which is inclined upwards, the first contact part 3 is matched with the negative electrode of a battery, the first contact part 3 which is inclined upwards gradually deforms and generates elastic force along with the clamping of the battery into the battery case, so as to better contact with the negative electrode of the battery, the spring sheet 2 is provided with a mounting part 4, the mounting part 4 is used for fixing the spring sheet 2 into a carrier, the carrier can be the battery case or the negative electrode conductive sheet 1, the other end of the mounting part 4 is provided with a bending part 5 which is formed by upward vertical bending, the other end of the bending part 5 is provided with a pressing part 6 which is matched with the first contact part 3, and the pressing part 6 is inclined upwards relative to the bending part 5, the pressing part 6 and the first contact part 3 are both in a plate-shaped structure, the pressing part 6 enables the first contact part 3 to be in close contact with the negative electrode of the battery, the negative electrode of the battery and the first contact part 3 act along with the clamping of the battery, the first contact part 3 is bent downwards to deform and contact with the pressing part 6, after the pressing part 6 forms limit with the first contact part 3 and a carrier, the pressing part 6 can enable the first contact part 3 to firmly form close contact with the negative electrode of the battery, compared with the mode of adopting a spring, the contact area of the pressing part 6 and the first contact part 3 in the plate-shaped structure is larger, the stress is more uniform, the first contact part 3 and the negative electrode of the battery can be kept in close contact even after being pressed by the battery for a long time, the problem of under-voltage is not easy to occur, the use is safer, the setting of the mounting part 4 realizes the fixing of the position, the elastic sheet 2 and the negative electrode conductive sheet 1 are more matched and stable, and the bending part 5 is arranged, so that the pressing part 6 has better elasticity, and the structural design of the elastic sheet 2 is also reasonable.

In this example, press portion 6 and kink 5 complex one end to be connected with kink 7, the width of kink 7 is unanimous with the width of kink 5, and the outside arc bending of kink 7 sets up, through the bending portion 7 of extra setting, make the elastic potential energy that produces after pressing portion 6 pressurized stronger, therefore can be better for first contact 3 provides the supporting force, press the setting of the contradiction portion 8 that is equipped with the inside arc bending down on the other end of portion 6, the setting of contradiction portion 8, thereby avoid pressing portion 6 emergence excessive deformation's phenomenon, and when taking place the vibrations, contradiction portion 8 also can make to press portion 6 provide stronger supporting force under the combined action with kink 7, make first contact 3 can keep with the negative pole stable contact of battery, structural design is reasonable.

In this example, be equipped with equipartition's first opening 9 on the conflict portion 8, and first opening 9 extends to pressing on the portion 6, the formation of first opening 9 to with conflict portion 8 evenly divide into a plurality of parts, thereby make conflict portion 8 in the in-process that the battery card was gone into, can take place elastic deformation more easily, the card of battery is gone into laborsaving, and the elasticity of conflict portion 8 is also stronger simultaneously.

In this example, evenly be formed with a plurality of first fretwork mouths on the first contact 3, all be equipped with elasticity in the first fretwork mouth and support the first piece 10 that supports of press fit on the battery negative pole, through setting up first fretwork mouth and set up first piece 10 that supports in first fretwork mouth, realize the negative pole elastic contact of first contact 3 and battery, the contact is more stable abundant, and the power supply connection of battery is more reliable and stable.

In this example, the battery case still includes anodal conducting strip 11, the battery case is assembled by lower cover 12, upper cover 13, and auxiliary lid 14 and inside form battery compartment 15 and pin chamber 16 of upper and lower intercommunication, anodal conducting strip 11 and negative pole conducting strip 1 all spacing cooperation is in battery compartment 15 and pin chamber 16, in battery compartment 15, the pin chamber 16 is located the one side junction of lower cover 12 and is formed with bearing structure, installation department 4 extends along the lateral direction of shell fragment 2 and the cartridge fits on bearing structure's leading flank, press the portion 6 and form interference fit with bearing structure's upper flank, battery compartment 15 and pin chamber 16 are integrated to be formed on assembling the battery case that constitutes, and through upper cover 13, auxiliary lid 14 have realized effectively fixing power supply battery and grafting seat, the contact position of power supply battery and anodal conducting strip 11, negative pole conducting strip 1 and the cooperation position of anodal pin, negative pole pin and grafting seat all can not expose the external world, the circular telegram is safer, and through setting up bearing structure, on the one side, on the one hand realized shell fragment 2 in the battery case's installation fixed, on the side, on the other hand also realized the shell fragment 2 and the effect of the simple structure of the inner wall of the portion of the battery case of pressing portion and reasonable design.

In this embodiment, the supporting structure includes a supporting plate 17 and a mounting block 18, the supporting plate 17 and the mounting block 18 are distributed in a T shape and are respectively located at the lower end of the battery compartment 15 and the upper end of the pin cavity 16, a slot 19 matched with the mounting portion 4 is formed at the top of the front side of the mounting block 18, a containing slot 20 matched with the bending portion 5 is further formed on the front side of the supporting plate 17, the supporting structure is composed of the supporting plate 17 and the mounting block 18 distributed in a T shape, the supporting plate 17 in the supporting structure can have higher strength, the supporting plate 17 has a good supporting effect on the pressing portion 6 of the spring 2, the positions formed by the supporting plate 17 and the mounting block are reasonable, quick matching with the mounting portion 4 is achieved through the slot 19, the containing slot 20 is used for containing the bending portion 5, the bending portion after being mounted in place is in the containing slot 20, double limiting of the position of the spring 2 is achieved, the spring fixing effect is good, and the fixing mode is simple.

In this embodiment, the positive electrode conductive sheet 11 is provided with the second contact portion 21, the inner side of the second contact portion 21 is provided with the contact structure 22, and the contact structure 22 is in multi-point contact fit with the outer peripheral wall of the positive electrode of the battery, so that the stability of the contact between the second contact portion 21 and the positive electrode of the battery is increased by arranging the contact structure 22, so that the power supply connection of the battery is more stable and reliable, more specifically, the contact structure 22 is an open structure with an opening at the front end, the battery is inserted into the contact structure 22 from the side through the opening at the front end, and the contact structure 22 and the outer peripheral wall of the positive electrode of the battery form multi-point contact fit with each other along with the positive electrode of the battery.

In this example, the contact structure 22 is a convex body formed by punching from the upper side to the lower side of the contact end of the positive electrode conductive sheet 11 by a punch, the parts of the inner walls of the two sides of the convex body are inclined inwards from front to back, the contact structure 22 can be formed by punching the contact end of the positive electrode conductive sheet 11 by a punch with a special shape, the forming mode of the contact structure 22 is simple and convenient, the inside of the convex body formed by punching is a cavity structure, the parts of the inner walls of the two sides are inclined inwards from front to back, by adopting the special structure, the inner walls of the two sides of the convex body can gradually contact with the side wall of the positive electrode of the battery along with the clamping of the positive electrode of the battery, and deform to a certain extent until the positive electrode of the battery positioned in the contact structure 22 is clamped in place under the clamping force generated by deformation, so that multipoint contact with the contact end of the positive electrode conductive sheet 11 is formed, and the aim of better preventing intermittent poor contact is achieved.

In this example, the second contact portion 21 is located the contact structure 22 and still is formed with the second fretwork mouth, be equipped with the elasticity in the second fretwork mouth and support the second that presses on the battery positive pole and support the preforming 23, be equipped with the second opening 24 of equipartition on the second support preforming 23, through setting up first fretwork mouth and set up the second that cooperates the contact structure 22 in first fretwork mouth and support the 23 pieces, the contact connection to the positive pole double full aspect of battery has been realized, positive pole conducting strip 11 and the positive pole cooperation mode reasonable in design of battery, the setting of second opening 24 for second supports preforming 23 has better elasticity, the power supply connection of battery is more reliable and stable.

In this example, the battery compartment 15 is located on the inner wall of one side of the upper cover 13 and is further provided with a damping device 25 matched with the peripheral wall of the battery, the damping device 25 ensures the close fit between the battery compartment 15 and the battery, avoids the phenomenon that the battery installed in the battery compartment 15 is in poor contact with the positive electrode conducting plate 11 and the negative electrode conducting plate 1 due to vibration, and is more stable in electrification, more specifically, the damping device 25 can be a damping plate made of silica gel material, and the battery is placed on the side due to the fact that the contact structure 21 is of a structure with an opening at the front end, so that the battery needs to be propped against on one side, otherwise the contact position can run on one side, and the battery has tolerance, so that the damping device 25 made of silica gel material is propped against the battery, so that the contact end of the positive electrode conducting plate 2 in the combined battery box 1 is kept in full contact with the positive electrode of the battery.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims

1. The utility model provides a battery case for ammeter of electrically conductive stability, includes negative pole conductive component, its characterized in that: the negative electrode conductive assembly comprises a negative electrode conductive sheet (1) and a spring sheet (2) positioned on the inner side of the negative electrode conductive sheet (1), wherein the upper end of the negative electrode conductive sheet (1) is provided with a first contact part (3) which is inclined upwards, the first contact part (3) is matched with the negative electrode of a battery, the spring sheet (2) is provided with a mounting part (4), the mounting part (4) is used for fixing the spring sheet (2) into a carrier, the other end of the mounting part (4) is provided with a bending part (5) which is formed by bending upwards, the other end of the bending part (5) is provided with a pressing part (6) which is matched with the first contact part (3), the pressing part (6) is inclined upwards relative to the bending part (5), and the pressing part (6) and the first contact part (3) are all provided with a platy structure, and the pressing part (6) enables the first contact part (3) to be in tight contact with the negative electrode of the battery.

2. The stable conduction battery pack for electricity meters of claim 1, wherein: the pressing part (6) is connected with a bending part (7) at one end matched with the bending part (5), the bending part (7) is outwards curved, and an inwards downward curved abutting part (8) is arranged at the other end of the pressing part (6).

3. The stable conduction battery pack for electricity meters of claim 2, wherein: the pressing part (6) is characterized in that a first equipartition opening (9) is formed in the pressing part (8), and the first opening (9) extends to the pressing part.

4. The stable conduction battery pack for electricity meters of claim 1, wherein: a plurality of first hollowed-out openings are uniformly formed in the first contact part (3), and first propping sheets (10) which are elastically propped and matched on the battery cathode are arranged in the first hollowed-out openings.

5. The stable conduction battery pack for electricity meters of claim 1, wherein: the battery box further comprises an anode conducting plate (11), the battery box is formed by assembling a lower cover (12), an upper cover (13) and an auxiliary cover (14) and is internally provided with a battery compartment (15) and a pin cavity (16) which are communicated up and down, the anode conducting plate (11) and the cathode conducting plate (1) are in limit fit with the battery compartment (15) and the pin cavity (16), the battery compartment (15) and the pin cavity (16) are located at one side joint of the lower cover (12) to form a supporting structure, the mounting part (4) is assembled on the front side of the supporting structure in an inserting mode, and the pressing part (6) is in interference fit with the upper side of the supporting structure.

6. The stable conduction electricity meter battery pack of claim 5, wherein: the supporting structure comprises a supporting plate (17) and mounting blocks (18), wherein the supporting plate (17) and the mounting blocks (18) are distributed in a T shape and are respectively located at the lower end of the battery compartment (15) and the upper end of the pin cavity (16), slots (19) matched with the mounting portions (4) are formed in the top of the front side face of the mounting blocks (18), and accommodating grooves (20) matched with the bending portions (5) are formed in the front side face of the supporting plate (17).

7. The stable conduction electricity meter battery pack of claim 6, wherein: the positive electrode conducting strip (11) is provided with a second contact part (21), the inner side of the second contact part (21) is provided with a contact structure (22), and the contact structure (22) is in multi-point contact fit with the outer peripheral wall of the positive electrode of the battery.

8. The stable conduction electricity meter battery pack as defined in claim 7, wherein: the second contact part (21) is located in the contact structure (22) and is further provided with a second hollowed-out opening, a second propping piece (23) which is elastically propped against the battery anode is arranged in the second hollowed-out opening, and the second propping piece (23) is provided with equally divided second openings (24).

9. The stable conduction electricity meter battery pack of claim 8, wherein: the battery compartment (15) is positioned on the inner wall of one side of the upper cover (13) and is also provided with a damping device (25) matched with the peripheral wall of the battery.