Square battery liquid injection clamp

Abstract

The utility model relates to the technical field of battery liquid injection, in particular to a liquid injection clamp for a square battery, the square battery comprises two oppositely arranged first side surfaces and two oppositely arranged second side surfaces, and the liquid injection clamp for the square battery is characterized by comprising a clamping structure, the clamping structure comprises two opposite clamping plates, each clamping plate comprises a plate body and two bosses arranged on the two sides of the plate body respectively, and the plate body abuts against the first side face; the boss of one clamping plate abuts against the boss of the other clamping plate to form a side clamping part used for abutting against the second side face. A clamping area for clamping a battery is formed in a space defined by the two plate bodies and the two side clamping parts; the utility model provides a square battery liquid injection clamp, which has a simple structure, can stably clamp a battery, and can quickly change models when facing batteries of different models through a modularized design.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery liquid injection, in particular to a square battery liquid injection clamp. BACKGROUND

[0002] In the field of battery manufacturing, battery liquid injection is an indispensable link of battery manufacturing process. In order to inject liquid electrolyte into the battery from the injection port, the battery shell needs to be clamped and fixed by using the liquid injection clamp during liquid injection to avoid electrolyte leakage caused by battery shell shaking.

[0003] The utility model patent with the authorization announcement number CN 210040390 U discloses a battery liquid injection clamp structure for different models, which comprises a base, a positioning side plate fixedly installed at one end of the base, a positioning bottom plate tightly attached to the top of the other end of the base, adjusting grooves opened at both sides of the top of the base, sliding blocks fixedly installed at both ends of the bottom of the positioning bottom plate, the sliding blocks slidingly connected in the adjusting grooves, fixed plates fixedly installed at both ends of the top of the positioning bottom plate, clamping studs sleeved on the fixed plates through threaded structures, the clamping studs penetrating through the fixed plates and rotatingly sleeved on clamping plates at one end close to each other, a plurality of guide columns fixedly installed on the outer wall of the side away from each other of the clamping plate, the guide columns slidingly penetrating through the fixed plate, a V-shaped groove opened on the outer wall of the side close to each other of the clamping plate, a clamping pad connected in the V-shaped groove, a clamping groove opened at the intersection of the two side walls of the V-shaped groove, and a clamping strip fixedly installed on the clamping pad and slidingly connected in the clamping groove.

[0004] However, such a device still has its limitations. When clamping the square battery, the clamping structure is complex and difficult to assemble, and cannot abut against all sides of the square battery, which has the risk of unstable clamping. Utility model content

[0005] To solve the problems in the prior art, the utility model provides a square battery liquid injection clamp, which has a simple structure, can stably clamp the battery, and can be quickly changed for different models through modular design.

[0006] The utility model solves the technical scheme, provides a square battery liquid injection clamp, the square battery includes two opposite first side surfaces and two opposite second side surfaces, characterized in that the square battery liquid injection clamp includes a clamping structure, the clamping structure includes two opposite clamping plates, the clamping plate includes a plate body and two bosses respectively arranged on both sides of the plate body, and the plate body abuts against the first side surface, the boss of one clamping plate and the boss of another clamping plate abut against each other to form a side clamping part for abutting against the second side surface, and the space enclosed by the two plate bodies and the two side clamping parts forms a clamping area for clamping the battery.

[0007] Further, the square battery liquid injection clamp can have the following features: the length of the plate body is greater than the length of the side clamping part.

[0008] Further, the square battery liquid injection clamp can have the following features: the square battery liquid injection clamp further comprises a fixing structure for fixing the clamping structure, the fixing structure comprises two fixing members respectively arranged on the two sides of the clamping structure, two clamping plate clamping grooves are arranged on the side of the fixing member close to the square battery, the distance between the two clamping plate clamping grooves is equal to the length of the side clamping part, and the end of the plate body is clamped in the clamping plate clamping grooves.

[0009] Further, the square battery liquid injection clamp can have the following features: the upper end surface of the fixing member is flush with the upper end surface of the clamping plate.

[0010] Further, the square battery liquid injection clamp can have the following features: a lifting groove is arranged on the plate body and used for manually moving the clamping plate to change the position of the end of the plate body in the clamping plate clamping groove.

[0011] Further, the square battery liquid injection clamp can have the following features: the square battery liquid injection clamp further comprises a bottom plate arranged at the bottom of the accommodating area and used for bearing the square battery.

[0012] Further, the square battery liquid injection clamp can have the following features: a fixing hole is arranged on the fixing member, and the end of the bottom plate is connected with the fixing hole.

[0013] Further, the square battery liquid injection clamp can have the following features: a bottom plate clamping groove is arranged on the side of the fixing member away from the square battery, the length direction of the bottom plate clamping groove extends along the vertical direction, and the fixing hole is arranged at the groove bottom of the bottom plate clamping groove; the two ends of the bottom plate are respectively provided with clamping members, the clamping members pass through the fixing hole and are clamped in the bottom plate clamping groove.

[0014] Further, the square battery liquid injection clamp can have the following features: the fixing hole is a rectangular hole, the length direction of the rectangular hole extends along the vertical direction, and the clamping member can move along the vertical direction in the fixing hole.

[0015] Further, the square battery liquid injection clamp can have the following features: the battery liquid injection equipment comprises a jacking cylinder and a telescopic rod driven by the jacking cylinder, and the bottom plate is provided with a connecting hole used for connecting with the telescopic rod.

[0016] The utility model discloses beneficial effect is:

[0017] 1. In this application, the plate body and the side clamping part jointly act, and stable and uniform clamping force can be provided to each side surface of the square battery.

[0018] 2. In this application, the fixed part can firmly fix the clamping structure on the battery liquid injection equipment through the clamping plate slot locking plate body, and the stable fixation of the battery is ensured.

[0019] 3. In this application, the clamping fixture can be suitable for clamping square batteries of different heights by designing the bottom plate movable along the vertical direction. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings, which are incorporated into and form part of the specification, illustrate embodiments of the present utility model and, together with the description, serve to explain the principles of the present utility model. In these drawings, similar reference numerals are used to designate similar elements. The drawings in the following description are some embodiments of the present utility model, not all embodiments. For ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0021] Figure 1 It is the structural schematic diagram of the utility model;

[0022] Figure 2 It is the structural schematic diagram of the clamping plate of the utility model;

[0023] Figure 3 It is the structural schematic diagram of the fixed part of the utility model;

[0024] Figure 4 It is the structural schematic diagram of the fixed structure of the utility model;

[0025] Figure 5 It is the structural schematic diagram of the bottom plate of the utility model.

[0026] In the drawing:

[0027] 1-square battery; 2-clamping plate; 21-plate body; 22-boss; 23-lifting groove; 3-side clamping part; 4-fixing piece; 41-clamping plate clamping groove; 42-bottom plate clamping groove; 43-fixing hole; 5-bottom plate; 51-connecting hole; 6-clamping piece. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] The utility model provides a square battery liquid injection clamp, specific structure is as follows:

[0030] As Figure 1 , Figure 2 Indicated, square battery liquid injection clamp is used for fixing square battery 1 on battery liquid injection equipment, and square battery 1 includes two oppositely arranged first side faces and two oppositely arranged second side faces. Square battery liquid injection clamp includes clamping structure, and the clamping structure includes two oppositely arranged clamping plates 2, and the clamping plate 2 includes plate body 21 and two bosses 22 respectively arranged on both sides of the plate body 21, and the plate body 21 is in abutment with the first side face. The boss 22 of one clamping plate 2 is in abutment with the boss 22 of the other clamping plate 2, so as to form a side clamping part 3 for abutting the second side face. The space enclosed by the two plate bodies 21 and the two side clamping parts 3 forms a clamping area for clamping the battery. In use, the plate body 21 and the side clamping part 3 jointly act on each side of the square battery 1 to provide stable and uniform clamping force. Moreover, compared with the integral clamping structure, the modular design can be quickly changed when clamping different models of square battery 1.

[0031] In some embodiments, the length of the plate body 21 is preferably greater than the length of the side clamping part 3. The complete plate body 21 is in contact with the longer side of the battery, which can provide more stable fixation and enhance the stability of the clamping structure as a whole.

[0032] As Figure 1 , Figure 3 And Figure 4As shown in the drawings, the square battery liquid injection fixture further comprises a fixing structure for fixing the clamping structure, and the fixing structure comprises two fixing members 4 arranged on two sides of the clamping structure respectively, and the fixing member 4 is provided with two clamping plate clamping grooves 41 on the side close to the square battery 1, the distance between the two clamping plate clamping grooves 41 is equal to the length of the side clamping part 3, and the end of the plate body 21 is clamped in the clamping plate clamping groove 41. In use, the plate body 21 is locked by the clamping plate clamping groove 41 through the fixing member 4, so that the clamping structure can be fixed firmly on the battery liquid injection equipment, and the stable fixation of the battery is ensured. Moreover, the clamping design avoids the use of screws and other parts, effectively simplifies the overall structure of the fixture, speeds up the assembly speed, and when facing different models of batteries for fixture change, only different lengths of clamping plates 2 need to be replaced.

[0033] In order to ensure the stability of the fixture and quickly align the components during assembly, the upper end surface of the fixing member 4 is preferably flush with the upper end surface of the clamping plate 2.

[0034] In order to further facilitate the disassembly of the clamping plate 2, the plate body 21 is provided with a lifting groove 23 for manually moving the clamping plate 2 to change the position of the end of the plate body 21 in the clamping plate clamping groove 41.

[0035] As shown in the drawings, Figure 1 , Figure 4 and Figure 5 The square battery liquid injection fixture further comprises a bottom plate 5 arranged at the bottom of the accommodating area and used for bearing the square battery 1. The fixing member 4 is provided with a fixing hole 43, and the end of the bottom plate 5 is connected with the fixing hole 43.

[0036] In order to more stably fix the bottom plate 5, the side of the fixing member 4 away from the square battery 1 is provided with a bottom plate clamping groove 42, the length direction of the bottom plate clamping groove 42 extends along the vertical direction, the fixing hole 43 is arranged at the groove bottom of the bottom plate clamping groove 42, and the two ends of the bottom plate 5 are respectively provided with clamping members 6 which are clamped in the bottom plate clamping groove 42 through the fixing hole 43, so that the bottom plate 5 and the fixing member 4 form a complete self-locking structure.

[0037] Further, in order to make the fixture applicable to batteries of different heights, the fixing hole 43 is a rectangular hole, the length direction of the rectangular hole extends along the vertical direction, and the clamping member 6 can move along the vertical direction in the fixing hole 43. In order to improve the convenience of the movement of the clamping member 6, the battery liquid injection equipment comprises a jacking cylinder and a telescopic rod driven by the jacking cylinder, and the bottom plate 5 is provided with a connecting hole 51 used for connecting with the telescopic rod. In use, the jacking cylinder drives the telescopic rod to insert into the connecting hole 51 of the bottom plate 5, so as to drive the lifting of the bottom plate 5.

[0038] The above description can be implemented alone or in various combinations, and these variants are within the protection scope of the utility model.

[0039] In the description of the present application, it should be noted that the relational terms such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying that there is any such relationship or order between these entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more limitations, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0040] In the description of the present application, it should also be noted that the terms "center", "upper", "lower", "front", "back", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise stated, the meaning of "several" is two or more.

[0041] The above is a further detailed description of the present application in conjunction with specific preferred embodiments, and cannot be considered as limiting the specific embodiments of the present application to these descriptions. For ordinary skilled persons in the technical field to which the present application belongs, without departing from the concept of the present application, a number of simple deductions or substitutions can be made, which should be considered as falling within the protection scope of the present application.

Claims

1. A square battery electrolyte injection jig for fixing a square battery (1) to a battery electrolyte injection apparatus, the square battery (1) including two first side surfaces disposed opposite to each other and two second side surfaces disposed opposite to each other, characterized in that, The square battery liquid injection fixture comprises a clamping structure, the clamping structure comprises two oppositely arranged clamping plates (2), the clamping plate (2) comprises a plate body (21) and two bosses (22) arranged on both sides of the plate body (21) respectively, the plate body (21) abuts against the first side face; the boss (22) of one clamping plate (2) abuts against the boss (22) of the other clamping plate (2) to form a side clamping part (3) for abutting against the second side face; the space enclosed by the two plate bodies (21) and the two side clamping parts (3) forms a clamping area for clamping the battery.

2. The square battery liquid injection jig according to claim 1, wherein The length of the plate body (21) is greater than the length of the side clamping part (3).

3. The square battery liquid injection jig according to claim 1, wherein Further comprising a fixing structure for fixing the clamping structure, the fixing structure comprises two fixing members (4) arranged on both sides of the clamping structure respectively, the fixing member (4) is provided with two clamping plate clamping grooves (41) near one side of the square battery (1), the distance between the two clamping plate clamping grooves (41) is equal to the length of the side clamping part (3), and the end of the plate body (21) is clamped in the clamping plate clamping groove (41).

4. The square battery liquid injection jig according to claim 3, wherein The upper end surface of the fixing member (4) is flush with the upper end surface of the clamping plate (2).

5. The square battery liquid injection jig according to claim 3, wherein A lifting groove (23) is arranged on the plate body (21) for manually moving the clamping plate (2) to change the position of the end of the plate body (21) in the clamping plate clamping groove (41).

6. The square battery liquid injection jig according to claim 3, wherein Further comprising a bottom plate (5) arranged at the bottom of the battery containing area for bearing the square battery (1).

7. The square battery liquid injection jig according to claim 6, wherein The fixing member (4) is provided with a fixing hole (43), and the end of the bottom plate (5) is connected with the fixing hole (43).

8. The square battery liquid injection jig according to claim 7, wherein The side of the fixing member (4) away from the square battery (1) is provided with a bottom plate clamping groove (42), the length direction of the bottom plate clamping groove (42) extends in the vertical direction, and the fixing hole (43) is arranged at the groove bottom of the bottom plate clamping groove (42); the two ends of the bottom plate (5) are respectively provided with clamping members (6), the clamping members (6) pass through the fixing hole (43) and are clamped in the bottom plate clamping groove (42).

9. The square battery liquid injection jig according to claim 8, wherein The fixing hole (43) is a rectangular hole, the length direction of the rectangular hole extends in the vertical direction; the clamping member (6) can move in the vertical direction in the fixing hole (43).

10. The square battery liquid injection jig according to claim 9, wherein The battery liquid injection equipment comprises a jacking air cylinder and a telescopic rod driven by the jacking air cylinder, and the bottom plate (5) is provided with a connecting hole (51) for connecting with the telescopic rod.

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