Air cylinder positioning mechanism for automobile battery bracket

By designing a base, cylinder, and linkage mechanism for automotive battery bracket cylinder positioning, the problems of insufficient compatibility and precision in existing technologies have been solved, achieving efficient positioning and lightweighting of multiple brackets, and reducing cost and space requirements.

CN223858358UActive Publication Date: 2026-01-30XIANGXIN AUTOMOTIVE COMPONENT TOOL & DIE
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423166388.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2026-01-30
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing automotive battery pack bracket positioning mechanisms are difficult to be compatible with diverse new energy battery pack brackets, resulting in decreased positioning accuracy, increased inventory management difficulty, and higher manufacturing costs.

Method used

A cylinder positioning mechanism for an automotive battery bracket, comprising a base, a cylinder, a linkage mechanism, and a push rod, was designed. The push rod is precisely positioned through a slide rail and a linkage mechanism, and spatial adjustment is achieved using X, Y, and Z positioning components, enabling flexible compatibility and high-precision positioning for various bracket types.

Benefits of technology

It achieves flexible compatibility with multiple new energy battery PACK brackets, improves positioning accuracy and installation efficiency, reduces cost and space occupation, and realizes ergonomic and lightweight design.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223858358U_ABST
    Figure CN223858358U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of battery supports, and particularly relates to an automobile battery support air cylinder positioning mechanism which comprises a base, an air cylinder, a linkage mechanism and an ejector rod, the air cylinder is fixedly installed in the base, and the driving end of the air cylinder faces upwards and is connected with one end of the linkage mechanism. The upper end of the base is further provided with two symmetrically-arranged sliding plates, the two sliding plates are each provided with an arc-shaped sliding rail groove, and the linkage mechanism is limited between the two sliding plates and slides in the direction of the sliding rail grooves under the action of the air cylinder. The other end of the linkage mechanism is connected with an ejector rod used for positioning so as to drive the ejector rod to move up and down. The positioning mechanism can be flexibly compatible with positioning of multiple small supports of the new energy battery PACK, the repeated positioning precision of products is high, man-machine engineering and lightweight design are achieved, the effect that a single air cylinder can act in two different directions can be achieved, cost and space are saved, and efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of battery bracket technology, and in particular relates to a cylinder positioning mechanism for an automotive battery bracket. Background Technology

[0002] In the new energy vehicle industry, battery packs are the core component of energy storage systems, and their installation and fixation are crucial. Battery pack brackets, as structural components supporting and fixing battery packs, directly impact the performance and safety of the entire vehicle through their positioning accuracy and installation efficiency. However, current automotive battery pack bracket positioning mechanisms on the market have many shortcomings. For example, existing positioning mechanisms are often designed for specific battery pack bracket models, making them incompatible with the diverse range of new energy battery pack brackets on the market. They also occupy a large space, increasing inventory management difficulties. Due to design or material limitations, the positioning accuracy of many positioning mechanisms gradually decreases during repeated use. Furthermore, general positioning mechanisms not only increase material costs but also raise overall manufacturing costs due to complex control systems. Utility Model Content

[0003] The purpose of this utility model is to provide a cylinder positioning mechanism for an automotive battery bracket, which aims to solve the above-mentioned technical problems in the prior art.

[0004] To achieve the above objectives, this utility model provides a cylinder positioning mechanism for an automotive battery bracket, comprising a base, a cylinder, a linkage mechanism, and a push rod. The cylinder is fixedly installed inside the base, with its driving end facing upward and connected to one end of the linkage mechanism. The upper end of the base also has two symmetrically arranged sliding plates, each with an arc-shaped slide rail groove. The linkage mechanism is positioned between the two sliding plates and slides along the direction of the slide rail groove under the action of the cylinder. The other end of the linkage mechanism is connected to the push rod for positioning, driving the push rod to move up and down.

[0005] Furthermore, the linkage mechanism includes a hinge, a connecting rod, and a first bearing. The driving end of the cylinder is connected to one end of the hinge, and its other end is connected to the connecting rod, which in turn is connected to a push rod. First bearings are respectively provided on the two side walls of the connecting rod near the cylinder, and the first bearings are confined within the slide rail grooves and slide along their direction.

[0006] Furthermore, a second bearing is provided on both sides of the connecting rod, and the second bearing is located below the first bearing.

[0007] Furthermore, the connecting rod is composed of a front straight rod and a rear straight rod connected together. The first bearing and the second bearing are arranged vertically on the front straight rod in sequence, and the front straight rod and the rear straight rod are bent to form an angle.

[0008] Furthermore, the slide rail groove is a straight groove in the direction close to the cylinder, and an arc-shaped groove facing backward in the direction away from the cylinder.

[0009] Further, the connecting rod and the ejector rod are provided with a positioning assembly, the positioning assembly comprises X positioning piece, Y positioning piece and Z positioning piece, all of which are provided with a plurality of through connecting holes, the connecting rod extends outward to form the X positioning piece, and the X positioning piece and the Y positioning piece are fixedly connected through the locking piece penetrating the two connecting holes; the Y positioning piece and the Z positioning piece are fixedly connected through another locking piece penetrating the two connecting holes; and the end of the Z positioning piece is connected with the ejector rod.

[0010] Further, the top of the two sliding plates is provided with a dust cover.

[0011] Further, the upper end of the base is further provided with a connecting plate, and the two ends of the connecting plate are connected with the two sliding plates respectively.

[0012] Further, the sliding plate is further provided with a protective plate for covering the sliding rail groove.

[0013] Further, the bottom end of the base is provided with a mounting hole for being mounted in a suitable position.

[0014] Further, the end of the base close to the connecting rod is further provided with a limiting block.

[0015] The automobile battery support air cylinder positioning mechanism provided by the embodiment of the utility model has at least one of the following technical effects:

[0016] In the design, the initial air cylinder is in the stretched state, and the ejector rod does not contact the automobile battery, after starting the air cylinder, the driving end (piston rod) of the air cylinder extends, pushes the linkage mechanism to move along the sliding rail groove direction, and the ejector rod also indirectly controls the swing. Under the driving of the air cylinder, the linkage mechanism is accurately positioned to the connecting end of the automobile battery through the guide design of the sliding rail groove, and the air cylinder is reversed to separate. The positioning mechanism can flexibly compatible with multiple small support positioning of new energy battery PACK, has high repeated positioning accuracy, is man-machine engineering and lightweight design, can realize two different direction actions of a single air cylinder, saves cost and space, and improves efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor under the premise of the drawings.

[0018] Fig. 1 The overall structure schematic diagram of the automobile battery support air cylinder positioning mechanism provided by the embodiment of the utility model is shown in the figure.

[0019] Fig. 2Partially shows the local schematic view of the automobile battery support air cylinder positioning mechanism provided by the embodiment of the utility model;

[0020] In the figure, various reference signs:

[0021] 100, base; 110, air cylinder; 120, top rod; 130, sliding plate; 140, sliding rail groove; 141, straight groove; 142, arc-shaped groove;

[0022] 200, linkage mechanism; 210, hinge; 220, connecting rod; 221, front straight rod; 222, rear straight rod; 230, first bearing; 240, second bearing;

[0023] 300, positioning assembly; 310, X positioning piece; 320, Y positioning piece; 330, Z positioning piece; 340, connecting hole;

[0024] 400, dust cover; 410, connecting plate; 420, protective plate; 430, mounting hole; 440, limiting block. DETAILED DESCRIPTION

[0025] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the 1-2 drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The following will be described by referring to the drawings Figs. 1-2 The described embodiments are exemplary and are intended to explain the embodiments of the utility model, and cannot be understood as a limitation of the utility model.

[0026] In the description of the embodiments of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model.

[0027] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0028] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrated; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0029] In an embodiment of the present application, a kind of automobile battery support cylinder 110 positioning mechanism is provided, including base 100, cylinder 110, linkage mechanism 200 and top rod 120, cylinder 110 is fixedly installed in base 100, the driving end of cylinder 110 is upwards and connects one end of linkage mechanism 200.The upper end of base 100 is also provided with two symmetrical slide plates 130, two slide plates 130 are all provided with arc-shaped slide rail groove 140, linkage mechanism 200 is limited between two slide plates 130, under the action of cylinder 110, along the direction of slide rail groove 140 Sliding;The other end of linkage mechanism 200 is connected to the top rod 120 for positioning, to drive top rod 120 to move up and down.

[0030] Specifically, initial cylinder 110 is in the state of stretching, and top rod 120 does not contact the automobile battery, after starting cylinder 110, the driving end (piston rod) of cylinder 110 extends, linkage mechanism 200 is pushed to move along the direction of slide rail groove 140, and top rod 120 is indirectly controlled to swing. Under the drive of cylinder 110, linkage mechanism 200 is guided by the design of slide rail groove 140, and top rod 120 is accurately positioned to the connecting end of the automobile battery, and cylinder 110 is reversed to separate. The positioning mechanism can flexibly compatible with new energy battery PACK Multiple small support positioning, the product repeat positioning precision is high, man-machine engineering and lightweight design can be realized, a single cylinder 110 can realize two different direction actions, save cost and space, improve efficiency.

[0031] Further, the linkage mechanism 200 includes a hinge 210, a connecting rod 220, and a first bearing 230. The driving end of the cylinder 110 is connected to one end of the hinge 210, the other end of the hinge 210 is connected to the connecting rod 220, and the other end of the connecting rod 220 is connected to the top rod 120. The connecting rod 220 is provided with a first bearing 230 on each side wall close to the cylinder 110, and the first bearing 230 is limited in the slide rail groove 140 and slides along the direction of the slide rail groove 140. Specifically, the driving end of the cylinder 110 is connected to one end of the hinge 210, and this connection allows the cylinder 110 to produce rotational or translational motion when driven, and transmits the motion to the connecting rod 220 through the hinge 210. The first bearing 230 is limited in the slide rail groove 140 and slides along the direction of the slide rail groove 140. The bearing reduces the friction of the motion, which ensures the stability of the connecting rod 220 when moving, and the hinge 210 allows it to freely slide and adjust the direction within a certain range. The connecting rod 220 is also provided with a second bearing 240 on each side wall, and the second bearing 240 is located below the first bearing 230. The connecting rod 220 is composed of a front straight rod 221 and a rear straight rod 222, and the first bearing 230 and the second bearing 240 are vertically arranged on the front straight rod 221 in sequence. The front straight rod 221 and the rear straight rod 222 are bent to form an included angle. The specific degree of the included angle between the front straight rod 221 and the rear straight rod 222 can be determined according to actual application requirements, for example, it can be 90 degrees, 120 degrees or other angles, and the key is to adjust the angle of the top rod 120 swing in cooperation with the double bearings.

[0032] Further, the slide rail groove 140 is a straight groove 141 close to the cylinder 110 and an arc-shaped groove 142 away from the cylinder 110. Under the push of the cylinder 110, the sliding block first moves along the straight groove 141 part, and when the sliding block moves to the end of the straight groove 141, it will enter the arc-shaped groove 142 part. The design of the arc-shaped groove 142 enables the sliding block to smoothly change the direction of motion, which enables the sliding block to meet the specific motion requirements while realizing more smooth and coherent motion.

[0033] Further, the connecting rod 220 and the top rod 120 are provided with a positioning assembly 300, the positioning assembly 300 comprises X positioning piece 310, Y positioning piece 320 and Z positioning piece 330, all of which are provided with a plurality of through connecting holes 340, the connecting rod 220 extends outward to form the X positioning piece 310, and the X positioning piece 310 and the Y positioning piece 320 are fixedly connected by a locking piece penetrating through two connecting holes 340; the Y positioning piece 320 and the Z positioning piece 330 are fixedly connected by another locking piece penetrating through two connecting holes 340; and the Z positioning piece 330 is connected with the top rod 120 at the end. Specifically, the X positioning piece 310 is provided with a plurality of through connecting holes 340 for fixed connection with the Y positioning piece 320. The Y positioning piece 320 is also provided with a plurality of through connecting holes 340, which are aligned with the holes on the X positioning piece 310, so as to be fixedly connected by a locking piece (such as a bolt, a nut, etc.). The Y positioning piece 320 plays a role of an intermediate transition, connecting the X positioning piece 310 and the Z positioning piece 330. The Z positioning piece 330 is also provided with a through connecting hole 340 for fixed connection with the Y positioning piece 320. The end of the Z positioning piece 330 is connected with the top rod 120, realizing power transmission from the connecting rod 220 to the top rod 120. Through the space adjustment of the X, Y and Z three axes, the bracket is further universal.

[0034] Further, the top of the two sliding plates 130 is provided with a dust cover 400, which seals the space and prevents foreign matter from invading.

[0035] Further, the upper end of the base 100 is also provided with a connecting plate 410, the two ends of the connecting plate 410 are connected with the two sliding plates 130 respectively, for integrally connecting the base 100, the air cylinder 110 and the sliding plate 130.

[0036] Further, the sliding plate 130 is also provided with a protective plate 420 for covering the sliding rail groove 140.

[0037] Further, the base 100 is also provided with a limiting block 440 close to one end of the connecting rod 220, the limiting block 440 is connected with the connecting rod 220 and the positioning assembly 300 through screws and finish machining abutting surfaces, further enhancing the repeated positioning accuracy.

[0038] Further, the bottom end of the base 100 is provided with a mounting hole 430 for cooperation with installation in a suitable position.

[0039] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An automotive battery support cylinder (110) positioning mechanism, characterized by, The utility model provides a kind of automatic positioning mechanism, including base (100), cylinder (110), linkage mechanism (200) and top rod (120), the cylinder (110) is fixedly installed in the base (100), the driving end of the cylinder (110) is upwards and connects one end of the linkage mechanism (200);The upper end of the base (100) is further provided with two symmetrical slide plates (130), two the slide plate (130) is equipped with arc slide rail groove (140), the linkage mechanism (200) is limited between two the slide plate (130), and under the action of the cylinder (110) it slides along the direction of the slide rail groove (140);The other end of the linkage mechanism (200) is connected for positioning the top rod (120), to drive the top rod (120) to move up and down.

2. The automotive battery support cylinder (110) positioning mechanism according to claim 1, characterized in that, The linkage mechanism (200) includes hinge (210), connecting rod (220) and first bearing (230), the driving end of the cylinder (110) is connected one end of the hinge (210), the other end is connected with the connecting rod (220), and the other end of the connecting rod (220) is connected with the top rod (120);The first bearing (230) is respectively arranged on the two side walls of the connecting rod (220) close to the cylinder (110), and the first bearing (230) is limited in the slide rail groove (140) and slides along its direction.

3. The automotive battery support cylinder (110) positioning mechanism according to claim 2, characterized in that, The second bearing (240) is further arranged on the two side walls of the connecting rod (220), and the second bearing (240) is located below the first bearing (230).

4. The automotive battery support cylinder (110) positioning mechanism according to claim 3, characterized in that, The connecting rod (220) is connected by front straight rod (221) and rear straight rod (222), and the first bearing (230) and the second bearing (240) are vertically arranged on the front straight rod (221) in sequence, and the front straight rod (221) and the rear straight rod (222) are bent to form an included angle.

5. The automotive battery support cylinder (110) positioning mechanism of claim 1, wherein, The slide rail groove (140) is linear slot (141) close to the cylinder (110), and is arc slot (142) away from the cylinder (110).

6. The automotive battery support cylinder (110) positioning mechanism of claim 2, wherein, The positioning assembly (300) is arranged between the connecting rod (220) and the top rod (120), and the positioning assembly (300) includes X positioning member (310), Y positioning member (320) and Z positioning member (330), and the three are provided with a plurality of through connecting holes (340), the X positioning member (310) is formed by the outward extension of the connecting rod (220), the X positioning member (310) and the Y positioning member (320) are fixedly connected by locking members penetrating through two connecting holes (340), the Y positioning member (320) and the Z positioning member (330) are fixedly connected by another locking member penetrating through two connecting holes (340), and the Z positioning member (330) is connected with the top rod (120).

7. The automotive battery support cylinder (110) positioning mechanism according to any one of claims 1-6, characterized in that, The top between the two slide plates (130) is provided with a dust cover (400).

8. The automotive battery support cylinder (110) positioning mechanism according to any one of claims 1-6, characterized in that, The upper end of the base (100) is further provided with a connecting plate (410), and the two ends of the connecting plate (410) are connected with the two slide plates (130) respectively.

9. The automotive battery support cylinder (110) positioning mechanism according to any one of claims 1-6, characterized in that, The slide plate (130) is further provided with a protection plate (420) for covering the slide rail groove (140).

10. The automotive battery support cylinder (110) positioning mechanism according to any one of claims 2-4, characterized in that, The base (100) is further provided with a limiting block (440) near one end of the connecting rod (220).