CN215933746U

CN215933746U - Valve-controlled sealed lead-acid storage battery pack for forklift traction

Info

Publication number: CN215933746U
Application number: CN202122435217.3U
Authority: CN
Inventors: 张宾; 张文贵; 许卫疆; 程亮; 许锴; 徐忠宇; 曾绍鹏
Original assignee: Enersys Chongqing Huada Batteries Co Ltd
Current assignee: Enersys Chongqing Huada Batteries Co Ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-01
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a valve control type sealed lead-acid storage battery pack for forklift traction, which comprises a shell, wherein the shell comprises a top plate and a bottom plate which are oppositely arranged, two first side plates which are oppositely arranged and two second side plates which are oppositely arranged, a containing cavity is formed in the shell, a plurality of single storage batteries are horizontally placed in the containing cavity in an array mode, and steps are arranged on the shells of the single storage batteries; hold the intracavity and transversely be provided with many pin, the both ends of pin pass through connecting bolt with two second curb plates respectively and can dismantle the connection, and the pin includes first L template and second L template, and first L template and second L template fixed connection form T font structure. The single storage battery horizontally placed in the shell can be better blocked by improving the blocking rod, so that the single storage battery in the shell is not thrown out under some extreme conditions.

Description

Valve-controlled sealed lead-acid storage battery pack for forklift traction

Technical Field

The utility model relates to the technical field of storage batteries, in particular to a valve control type sealed lead-acid storage battery pack for forklift traction.

Background

A Valve-controlled Lead-acid Battery (Valve Regulated Lead Battery) is called VRLA Battery for short, and its basic characteristics are that it doesn't need to add acid and water to maintain during use, the Battery is a sealed structure, it doesn't leak acid and can not discharge acid mist, and on the Battery cover a one-way exhaust Valve (also called safety Valve) is set, and said Valve is used for that when the gas quantity in the Battery exceeds a certain value (usually expressed by gas pressure value), i.e. when the gas pressure in the Battery is raised to a certain value, the exhaust Valve can be automatically opened, and the gas can be discharged, then the Valve can be automatically closed, so that it can prevent the air from entering into the Battery. The valve-controlled lead-acid storage battery has the advantage of maintenance-free and the cycle life is not shorter than that of a pregnant solution lead-acid storage battery, so that the valve-controlled lead-acid storage battery can replace the existing forklift pregnant solution lead-acid storage battery.

If the lead-acid storage battery is vertically installed, the height of the battery is too high, electrolyte layering can be caused, and if the electrolyte layering reaches a certain degree, the overall capacity of the battery and the service life of the battery can be directly influenced. Therefore, chinese utility model publication No. CN212517352U proposes a horizontally mounted valve-regulated lead-acid battery pack, which changes the structure of the casing of the battery pack so that the battery can be placed horizontally.

In order to prevent the single storage battery in the shell from being thrown out, a plurality of stop levers are transversely arranged in the first cavity to block the single storage batteries in two adjacent cavities, as can be seen from the patent specification and the attached drawings, the stop lever is a cylindrical lever with a narrow transverse section, the strength of the cylindrical lever is weak, and the contact area of the cylindrical lever and the blocked single storage battery is small.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a valve-controlled sealed lead-acid storage battery pack for forklift traction, which can bear larger impact force by improving a stop lever, better block the single storage battery horizontally placed in a shell and prevent the single storage battery in the shell from being thrown out under some extreme conditions.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a valve-controlled sealed lead-acid battery pack for forklift traction, which comprises a shell, wherein the shell comprises a top plate and a bottom plate which are oppositely arranged, two first side plates which are oppositely arranged and two second side plates which are oppositely arranged, and two ends of at least one first side plate are respectively detachably connected with the two second side plates;

the shell is internally provided with an accommodating cavity, a plurality of single storage batteries are horizontally placed in the accommodating cavity in an array manner, and a step is arranged on a shell at one end of each single storage battery, which is provided with an electrode binding post;

hold the intracavity and transversely be provided with many pin, the both ends of pin respectively with two the second curb plate passes through connecting bolt and can dismantle the connection, the pin includes first L template and second L template, first L template and second L template fixed connection form T font structure, during the installation, adjacent two are inserted to the vertical part of T style of calligraphy structure in the recess that forms after the step concatenation on the shell of battery cell, the both sides of the horizontal part of T style of calligraphy structure press adjacent two respectively the one end terminal surface that sets up the electrode terminal of battery cell's shell.

Preferably, the top of the two ends of the stop lever is fixedly provided with a first connecting sleeve along the length direction of the stop lever, and an internal thread matched with the connecting bolt is arranged in the first connecting sleeve.

Preferably, the stop lever is divided into three sections which are detachably connected along the length direction of the stop lever, the three sections sequentially include a left section, a middle section and a right section from left to right, the length of the middle section is greater than that of the left section and that of the right section, the tops of the left section and that of the right section are respectively fixedly provided with one first connecting sleeve, the tops of the two ends of the middle section are fixedly provided with second connecting sleeves along the length direction of the middle section, and the second connecting sleeves are internally provided with internal threads matched with the connecting bolts.

Preferably, the first L-shaped plate and the second L-shaped plate are made of angle steel, and the first connecting sleeve and the second connecting sleeve are made of metal materials; the first L-shaped plate and the second L-shaped plate are connected through welding to form the T-shaped structure, and the first connecting sleeve and the second connecting sleeve are fixedly connected with the stop lever through welding.

Preferably, a plurality of mounting holes for the connecting bolts to pass through are uniformly and vertically arranged on the two second side plates at intervals, the mounting holes are counter bores, and the connecting bolts are counter-bore bolts matched with the counter bores.

Preferably, a plurality of avoidance grooves for avoiding the electrode binding posts of the single storage battery are arranged on two sides of the stop lever.

Preferably, a plurality of inner partition plates are arranged in the accommodating cavity of the shell along an XY plane, an XZ plane and/or a YZ plane, and the inner partition plates partition the accommodating cavity into a plurality of battery cavities for accommodating the single batteries.

Preferably, lifting holes for lifting are formed in the tops of the two second side plates.

The utility model has the beneficial effects that:

according to the utility model, the structures of the single storage batteries and the stop lever are improved, and the stop lever is arranged into a T-shaped structure formed by fixedly connecting the first L-shaped plate and the second L-shaped plate back to back, so that compared with a cylindrical lever in the prior art, the strength of the stop lever is effectively increased, the stop lever can bear larger impact force, and two sides of the horizontal part of the T-shaped structure are respectively pressed on the end surfaces of two adjacent single storage batteries, so that the contact area between the stop lever and the single storage batteries is effectively increased, the horizontal single storage batteries are better blocked, and the single storage batteries are not thrown out under some extreme conditions.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of a front view of a valve-regulated sealed lead-acid battery pack for forklift traction (single battery is mounted horizontally) in one embodiment of the utility model;

FIG. 2 is a sectional view A-A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 2;

FIG. 4 is a schematic view of a stop lever in combination with a single battery in accordance with an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a valve-regulated lead-acid battery pack for forklift traction according to another embodiment of the present invention (single battery is vertically mounted);

FIG. 6 is a schematic top view of a stop lever according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view C-C of FIG. 6;

FIG. 8 is a cross-sectional view taken along line D-D of FIG. 6;

FIG. 9 is a schematic perspective view of a housing according to an embodiment of the present invention (the first side plate with a detachable front side is not shown);

fig. 10 is a schematic perspective view of a housing according to another embodiment of the present invention (the first side plate with a detachable front side is not shown).

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1-10, an embodiment of the present invention provides a valve-regulated sealed lead-acid battery pack for forklift traction, which includes a housing 1, and a plurality of single batteries 2 and a plurality of stop levers 3 mounted in the housing 1.

Casing 1 is the steel shell, wholly is the cuboid form, including relative roof 101 and the bottom plate 102 that sets up and two relative first curb plate 103 that set up and two relative second curb plates 104 that set up, the upper and lower both ends of two second curb plates 104 are connected with roof 101 and bottom plate 102 respectively, and casing 1 is inside for hollow chamber 105 that holds, holds and is the array in the chamber 105 and has crouched and put a plurality of monomer battery 2. Two ends of a first side plate (not shown in the figure) at the front side of the two first side plates 103 are detachably connected with the two second side plates 104, so that the single storage battery 2 can be taken from one side of the first side plate 103 after one first side plate 103 is opened.

A step 202 is arranged on the shell at one end of the single storage battery 2, which is provided with the electrode binding post 201; hold and transversely be provided with many pin 3 in the chamber 105, pin 3's both ends pass through connecting bolt 4 with two second curb plates 104 respectively and can dismantle the connection, pin 3 includes first L template 301 and second L template 302, first L template 301 and second L template 302 are fixed connection formation T font structure back to back, during the installation, the vertical part of T style of calligraphy structure inserts in the recess 203 that forms behind the step 202 concatenation on the shell of two adjacent battery cells 2, the both sides of the horizontal part of T style of calligraphy structure press the one end terminal surface that sets up electrode terminal 201 of the shell of two adjacent battery cells 2 respectively.

Through improving the structure to battery cell 2 and pin 3, set pin 3 to the T font structure that forms by first L template 301 and second L template 302 back to back fixed connection back, for cylindrical pole among the prior art, not only effectively increased pin 3's intensity, make pin 3 can bear bigger impact force, and the horizontal part's of T style of calligraphy structure both sides press respectively at two adjacent battery cell 2 terminal surfaces, effectively increase pin 3 and battery cell 2's area of contact, form better to the battery cell 2 that crouches and block, make battery cell 2 not thrown away under some extreme conditions.

In one embodiment, the top of the two ends of the stop lever 3 is fixedly provided with a first connecting sleeve 303 along the length direction of the stop lever 3, and the first connecting sleeve 303 is internally provided with an internal thread matched with the connecting bolt 4. In this way, the connecting bolt 4 is matched with the internal thread of the first connecting sleeve 303 to detachably connect and fix the stop lever 3 and the two second side plates 104 from the two ends of the stop lever 3, respectively.

In one embodiment, the stop lever 3 is divided into three sections detachably connected along the length direction thereof, the left section 304, the middle section 305 and the right section 306 are sequentially arranged from left to right, the length of the middle section 305 is greater than the lengths of the left section 304 and the right section 306, the top portions of the left section 304 and the right section 306 are respectively and fixedly provided with a first connecting sleeve 303, the top portions of the two ends of the middle section 305 are fixedly provided with a second connecting sleeve 307 along the length direction thereof, and the second connecting sleeve 307 is internally provided with an internal thread matched with the connecting bolt 4. As shown in fig. 1, since the two adjacent rows of the single batteries 2 at the left and right ends pass through the electrode connecting wires 5, the blocking rod 3 is provided in three sections which can be detachably connected, so that the blocking rod 3 can be conveniently detached without detaching the electrode connecting wires 5 connecting the two adjacent rows of the single batteries 2 at the left and right ends. When the blocking rod 3 is installed, the left section 304 and the right section 306 of the blocking rod 3 can firstly penetrate through the electrode connecting wires 5 of the left end and the right section 306 respectively to be placed between the two rows of single batteries 2, then the two connecting bolts 4 penetrate through the second side plate 104 and the first connecting sleeve 303 respectively, the corresponding second side plate 104 is connected with the left section 304 or the right section 306, then the middle section 305 is placed between the left section 304 and the right section 306 and is aligned, the connecting bolts 4 are continuously screwed to be connected with the second connecting sleeves 307 at the two ends of the middle section 305, in this way, the blocking rod 3 is installed between the two adjacent rows of single batteries 2 in the accommodating cavity 105 of the shell 1, and the installation of the blocking rod 3 is conveniently realized under the condition that the electrode connecting wires 5 are not detached. The procedure for removing the stopper rod 3 is the reverse of the above procedure and will not be described in detail.

In one embodiment, the first L-shaped plate 301 and the second L-shaped plate 302 are made by cutting an appropriate length using angle steel having an appropriate thickness and width, and the first connecting sleeve 303 and the second connecting sleeve 307 are made of a metal material; the first L-shaped plate 301 and the second L-shaped plate 302 are connected by welding to form a T-shaped structure, and the first connecting sleeve 303 and the second connecting sleeve 307 are both fixedly connected with the stop lever 3 by welding. Adopt two angle steel welding to be the pin 3 of T font, with low costs, intensity is big, connects pin 3 and first adapter sleeve 303, second adapter sleeve 307 fixedly through the welding for just crossing pin 3 more reliably.

In one embodiment, a plurality of mounting holes 6 for the connecting bolts 4 to pass through are vertically and evenly spaced on the two second side plates 104, the mounting holes 6 are counter bores, and the connecting bolts 4 are counter-bore bolts matched with the counter bores. Thus, after the connecting bolt 4 is installed, the head of the connecting bolt 4 does not protrude out of the second side plate 104, on one hand, interference on other parts around the storage battery pack is avoided, and on the other hand, the appearance of the storage battery pack is more attractive.

In one embodiment, the two sides of the stop lever 3 are provided with a plurality of avoidance grooves 308 for avoiding the electrode terminals 201 of the single batteries 2. In some embodiments, as shown in fig. 5, the single batteries 2 are vertically installed, so that the distance between two adjacent electrode terminals 201 of two adjacent rows of the single batteries 2 is small, since the horizontal portion of the T-shaped stop lever 3 is made wider in order to improve the blocking effect of the stop lever 3, the avoiding groove 308 is provided to effectively avoid the interference between the stop lever 3 and the electrode terminals 201.

In one embodiment, several internal partitions 106 are disposed in the receiving cavity 105 of the housing 1 along the XY plane, the XZ plane, and/or the YZ plane, as shown in fig. 10, and the internal partitions 106 partition the receiving cavity 105 into a plurality of battery cavities 107 for receiving the single batteries 2. By providing the inner partition 106, the strength of the entire housing 1 is enhanced. Specifically, the volumes of the battery cavities 107 into which the accommodating cavity 105 is divided may be the same or different, and 1 or two single batteries 2 may be placed in each battery cavity 107.

In one embodiment, the top of the two second side plates 104 is provided with a lifting hole 7 for lifting, so that the whole storage battery pack is lifted conveniently, and the whole storage battery pack is installed conveniently.

In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The valve-controlled sealed lead-acid storage battery pack for forklift traction is characterized by comprising a shell, wherein the shell comprises a top plate and a bottom plate which are oppositely arranged, two first side plates which are oppositely arranged and two second side plates which are oppositely arranged, and two ends of at least one first side plate are detachably connected with the two second side plates respectively;

hold the intracavity and transversely be provided with many pin, the both ends of pin respectively with two the second curb plate passes through connecting bolt and can dismantle the connection, the pin includes first L template and second L template, first L template and second L template fixed connection form T font structure, during the installation, adjacent two are inserted to the vertical part of T font structure in the recess that forms after the step concatenation on the shell of battery cell, the both sides of the horizontal part of T font structure press adjacent two respectively the one end terminal surface that sets up the electrode terminal of battery cell's shell.

2. The valve-regulated sealed lead-acid battery pack for forklift traction according to claim 1, wherein the tops of the two ends of the stop lever are fixedly provided with first connecting sleeves along the length direction of the stop lever, and the first connecting sleeves are internally provided with internal threads matched with the connecting bolts.

3. The valve-regulated sealed lead-acid battery pack for forklift traction according to claim 2, wherein the stop lever is divided into three sections which are detachably connected along the length direction of the stop lever, the three sections are a left section, a middle section and a right section in sequence from left to right, the length of the middle section is greater than that of the left section and that of the right section, the top of the left section and that of the right section are respectively and fixedly provided with the first connecting sleeve, the top of each of the two ends of the middle section are respectively and fixedly provided with a second connecting sleeve along the length direction, and the second connecting sleeves are internally provided with internal threads matched with the connecting bolts.

4. The valve-regulated sealed lead-acid battery pack for forklift traction according to claim 3, wherein the first L-shaped plate and the second L-shaped plate are made of angle steel, and the first connecting sleeve and the second connecting sleeve are made of metal materials; the first L-shaped plate and the second L-shaped plate are connected through welding to form the T-shaped structure, and the first connecting sleeve and the second connecting sleeve are fixedly connected with the stop lever through welding.

5. The valve-regulated sealed lead-acid battery pack for forklift traction according to claim 1, wherein a plurality of mounting holes for the connecting bolts to pass through are vertically and uniformly arranged on the two second side plates at intervals, the mounting holes are counter bores, and the connecting bolts are counter-bore bolts matched with the counter bores.

6. The valve-regulated sealed lead-acid battery pack for forklift traction according to claim 1, wherein a plurality of avoidance grooves for avoiding the electrode terminals of the single batteries are provided on both sides of the blocking lever.

7. The valve-regulated sealed lead-acid battery pack for forklift traction according to any one of claims 1 to 6, wherein a plurality of internal partitions are arranged in the accommodating cavity of the housing along XY, XZ and/or YZ planes, and the internal partitions partition the accommodating cavity into a plurality of battery cavities for accommodating single batteries.

8. The valve-regulated sealed lead-acid battery pack for forklift traction according to claim 7, wherein the tops of the two second side plates are provided with lifting holes for lifting.