Screw locking device

Abstract

The utility model relates to a screw locking device. The screw locking device comprises a base body and a positioning piece, the positioning piece comprises a sliding plate and a guide pipe arranged on the sliding plate, the sliding plate is in sliding connection with the base body, the sliding plate can slide up and down relative to the base body, the guide pipe is arranged in the vertical direction, an inlet is formed in the upper end of the guide pipe, an outlet is formed in the lower end of the guide pipe, and the sliding plate is arranged on the base body. A clamping part capable of elastically deforming is arranged at the outlet of the guide pipe; a screw enters the guide pipe from the inlet and can be clamped by the clamping part, and when the screw is stressed downwards, the clamping part can be driven to deform, and then the screw is disengaged from the guide pipe from the outlet. According to the scheme provided by the invention, screw locking can be conveniently carried out in the shell, and the assembly efficiency and safety are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of installation tools, in particular to a screw locking device. BACKGROUND

[0002] With the rapid development of the new energy industry, the types and functions of energy storage technologies are experiencing unprecedented enrichment and expansion. In related technologies, in the assembly process of energy storage products, in order to ensure the stability and reliability of the battery pack in the shell, multi-point screw locking operations are usually performed on the surface and deep layers of the lower shell, and manual screw locking operations are performed.

[0003] However, when the battery pack is placed in the lower shell, manually locking the deep layer of the screw has many challenges in the assembly process, such as limited operation space, visual obstacles, etc., which causes inconvenience to the screw locking process, low assembly efficiency, and safety hazards. CONTENT OF THE UTILITY MODEL

[0004] To solve or partially solve the problems in the related art, the present application provides a screw locking device that can facilitate screw locking inside the shell, improve assembly efficiency and safety.

[0005] The present application provides a screw locking device, comprising: a base body and a positioning member, the positioning member comprising a sliding plate and a guide pipe provided on the sliding plate, the sliding plate being in sliding connection with the base body, the sliding plate being capable of sliding up and down relative to the base body, the guide pipe being arranged in a vertical direction, an inlet being provided at an upper end of the guide pipe, an outlet being provided at a lower end of the guide pipe, and an elastically deformable clamping portion being provided at the outlet of the guide pipe.

[0006] The screw enters the guide pipe through the inlet and can be clamped by the clamping portion, and when the screw is forced downward, the clamping portion is deformed, and the screw is then ejected from the outlet of the guide pipe.

[0007] Further, the clamping portion comprises a plurality of clamping arms arranged in a circumferential direction of the outlet.

[0008] Further, the clamping arms are made of rubber material.

[0009] Further, the base body comprises an upper cover plate, a lower cover plate, and a guide column connected between the upper cover plate and the lower cover plate, and the sliding plate is in sliding connection with the guide column.

[0010] Further, the lower cover plate is provided with a through hole through which the guide pipe passes.

[0011] Further, a handle is provided on the upper cover plate.

[0012] Further, the lower cover plate is a frame structure, and opposite sides of the base body are respectively provided with the positioning members.

[0013] Further, the screw locking device further comprises an elastic member and a connecting member, the elastic member is arranged between the base body and the sliding plate and has an upward force on the sliding plate.

[0014] The sliding plate is detachably connected with the base body through the connecting member.

[0015] Further, the connecting member is a press-type elastic buckle, the press-type elastic buckle comprises a male plug and a female socket, the male plug is detachably connected with the female socket, the male plug is arranged on one of the sliding plate and the base body, and the female socket is arranged on the other one of the sliding plate and the base body.

[0016] Further, the elastic member is a compression spring, an upper end of the compression spring abuts against the sliding plate, and the other end of the compression spring abuts against the base body.

[0017] The technical scheme provided in the application can have the following beneficial effects: when the screw locking device is used, the head of the screw is first directed upward, the screw rod is directed downward, and the screw is inserted into the guide pipe from the inlet, the screw is clamped by the clamping part, the lower end of the guide pipe is extended to the position inside the shell for locking the screw by sliding the sliding plate downward, the screw at the outlet is aligned with the screw hole, then the screwdriver head of the electric screwdriver is extended into the screw in the guide pipe from the inlet, the screw is tightened by the electric screwdriver, the screw can drive the clamping part to elastically deform when moving downward, and then the screw is separated from the guide pipe from the outlet, and the guide pipe is raised after the locking is completed, and the product is not damaged. Therefore, the screw locking device can accurately position the screw and the screw hole in the deep layer of the shell, the hand does not need to be inserted into the shell for positioning, the screw can be quickly and accurately inserted into the screw hole of the product by simple operation, the time for manually searching and aligning the screw hole is greatly reduced, the risk of the screw falling into the product is avoided, the hand is prevented from being cut or pinched, and thus the assembly efficiency and safety are improved.

[0018] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, and cannot limit the application. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which like reference characters refer to like parts throughout the several views, and in which the exemplary embodiments of the present application are shown.

[0020] Figure 1 is a structural schematic view of the screw locking device shown in the embodiments of the application.

[0021] Figure 2 is an exploded view of the screw locking device shown in the embodiments of the present application;

[0022] Figure 3 is a structural schematic view of the screw locking device shown in the embodiments of the present application and the energy storage product after being assembled;

[0023] Figure 4 is a sectional view of Figure 3 ;

[0024] Figure 5 is a structural schematic view of the catheter shown in the embodiments of the present application.

[0025] Reference signs:

[0026] 1 - base, 11 - upper cover plate, 12 - lower cover plate, 121 - through hole, 13 - guide column, 14 - handle;

[0027] 2 - positioning member, 21 - sliding plate, 22 - catheter, 221 - clamping part, 2211 - clamping arm;

[0028] 3 - elastic member;

[0029] 4 - connecting member, 41 - male plug, 42 - female socket;

[0030] 5 - screw;

[0031] 6 - battery pack;

[0032] 7 - lower shell. DETAILED DESCRIPTION

[0033] The embodiments of the present application will be described in more detail by referring to the attached drawings. Although the embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0034] It should be understood that although the terms "first", "second", "third" and the like can be used in the present application to describe various information, these information should not be limited by these terms. These terms are only used to distinguish the same type of information from each other. For example, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information without departing from the scope of the present application. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0035] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "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 of the present application.

[0036] Unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection or integral; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] The technical solutions of the embodiments of the present application are described in detail below in combination with the drawings.

[0038] As shown in Figures 1 to 5 , the screw locking device provided by the embodiments of the present application comprises a base body 1 and a positioning member 2, the positioning member 2 comprises a sliding plate 21 and a guide pipe 22 arranged on the sliding plate 21, the sliding plate 21 is in sliding connection with the base body 1, the sliding plate 21 can slide up and down relative to the base body 1, the guide pipe 22 is arranged in the vertical direction, the upper end of the guide pipe 22 is provided with an inlet, the lower end of the guide pipe 22 is provided with an outlet, and the outlet of the guide pipe 22 is provided with an elastically deformable clamping part 221.

[0039] The screw 5 enters the guide pipe 22 from the inlet and can be clamped by the clamping part 221, and when the screw 5 is forced downward, the clamping part 221 can be deformed, and then the screw 5 is discharged from the outlet of the guide pipe 22.

[0040] As shown in Figure 3 and Figure 4 , the energy storage product comprises a battery pack 6 and a lower shell 7, the battery pack 6 is arranged in the lower shell 7, and when the screw locking of the energy storage product is performed, the head of the screw 5 can be upward, the screw rod can be downward, and the screw 5 can enter the guide pipe 22 from the inlet, the screw 5 can move downward to the outlet under the action of gravity, the diameter of the head of the screw 5 is greater than the diameter of the screw rod, the screw rod of the screw 5 can be stretched out of the outlet of the guide pipe 22, and the head of the screw 5 can be clamped by the clamping part 221, as shown in Figure 5 .

[0041] As shown in Figure 4As shown, by sliding the sliding plate 21 downward, the lower end of the conduit 22 is extended to the position of the screw inside the shell, the screw 5 of the outlet is aligned with the screw hole, and then the screwdriver head of the electric screwdriver is extended downward into the screw 5 in the conduit 22, the screw 5 is tightened by the electric screwdriver, and the clamping portion 221 is elastically deformed when the screw 5 moves downward, so that the clamping portion 221 is expanded outward, and the screw 5 can be further taken out of the conduit 22 from the outlet. After the locking is completed, the sliding plate 21 moves upward and drives the conduit 22 to rise, which will not damage the product.

[0042] Therefore, the screw locking device can accurately position the screw 5 and the screw hole in the deep layer of the shell, does not need to extend the hand into the shell to position, and only needs to be simply operated to quickly and accurately make the screw 5 enter the screw hole of the product, greatly reduces the time of manually searching and aligning the screw hole, avoids the risk of the screw 5 falling into the product, prevents the hand from being cut or injured, and thus improves the assembly efficiency and safety.

[0043] Specifically, during screw locking, the base body 1 can be positioned at the upper end of the lower shell 7, and a positioning structure can be arranged between the base body 1 and the lower shell 7, for example, a matching positioning hole and a positioning pin are arranged, or a positioning groove is arranged on the base body 1 and can be clamped on the upper end edge of the lower shell 7, or a mark or a label is arranged, so that the screw locking device can be quickly positioned on the lower shell 7. The electric screwdriver can be a counting electric screwdriver.

[0044] In some embodiments, as shown in Figure 5 The clamping portion 221 includes a plurality of clamping arms 2211 arranged along the circumference of the outlet, and specifically, the plurality of clamping arms 2211 are arranged at intervals, the plurality of clamping arms 2211 clamps the head of the screw 5 in a natural state, and the screw rod of the screw 5 extends between the plurality of clamping arms 2211. When the screw 5 is tightened downward into the screw hole, the plurality of clamping arms 2211 are expanded while the screw 5 moves downward, so that the screw 5 can be taken out.

[0045] In some embodiments, the clamping arm 2211 is made of rubber material and has a certain elastic deformation capacity. Specifically, the clamping arm 2211 and the conduit 22 can be an integral molding structure.

[0046] In some embodiments, as shown in Figure 1 and Figure 2As shown, the base body 1 comprises an upper cover plate 11, a lower cover plate 12, and a guide column 13 connected between the upper cover plate 11 and the lower cover plate 12. The sliding plate 21 is in sliding connection with the guide column 13, and the guide column 13 guides the sliding plate 21 to move up and down along the guide column 13. The lower cover plate 12 is placed on the lower shell 7 to play a supporting and positioning role. The upper cover plate 11 and the lower cover plate 12 can prevent misoperation. During the screw locking process, the lower cover plate 12 can cover the screw locking surface of the PCB to be locked, preventing the screw from deviating or tilting, thereby improving the stability of the screw locking. The upper cover plate 11 and the lower cover plate 12 can play a protective role. For some vulnerable components, the upper cover plate 11 and the lower cover plate 12 can protect them during the screw locking process to avoid damage caused by improper operation or external factors. The upper cover plate 11 and the lower cover plate 12 can improve the assembly precision and ensure the correct order and position of the screw locking, thereby improving the overall assembly precision. The upper cover plate 11 and the lower cover plate 12 can have a foolproof function. In some complex assembly processes, they can be part of the foolproof measures to prevent incorrect assembly or missed steps through specific structural design.

[0047] In some embodiments, the lower cover plate 12 is provided with a through hole 121 for the catheter 22 to pass through, and the catheter 22 penetrates through the through hole 121. The through hole 121 can limit the position of the catheter 22.

[0048] In some embodiments, as shown in Figure 1 and Figure 2 The upper cover plate 11 is provided with a handle 14, which provides convenient operation, improves production efficiency, and increases safety during production.

[0049] In some embodiments, the lower cover plate 12 is a frame structure, specifically a rectangular frame, and the base body 1 is provided with positioning members 2 on opposite sides. The two sides are locked to the screw locking position through the positioning members 2 on both sides. The frame structure of the lower cover plate 12 can avoid the battery pack 6 inside the lower shell 7.

[0050] In some embodiments, as shown in Figure 1 and Figure 2 The screw locking device further comprises a resilient member 3 and a connecting member 4. The resilient member 3 is arranged between the base body 1 and the sliding plate 21 and has an upward force on the sliding plate 21. The sliding plate 21 is detachably connected to the base body 1 through the connecting member 4.

[0051] Specifically, before locking the screw, the resilient member 3 supports the sliding plate 21 upward. When locking the screw, the sliding plate 21 is pressed downward to overcome the work of the resilient member 3, so that the sliding plate 21 is connected to the base body 1 through the connecting member 4. After locking, the sliding plate 21 is separated from the base body 1 through the connecting member 4, and the sliding plate 21 moves upward under the action of the resilient member 3.

[0052] In some embodiments, as shown in Figure 1And Figure 2 As shown, the connecting piece 4 is a press-type elastic buckle, which comprises a male plug 41 and a female socket 42, the male plug 41 is detachably connected with the female socket 42, the male plug 41 is arranged on one of the sliding plate 21 and the base body 1, and the female socket 42 is arranged on the other one of the sliding plate 21 and the base body 1. In the illustrated embodiment, the male plug 41 is arranged on the sliding plate 21, and the female socket 42 is arranged on the lower cover plate 12 of the base body 1. The male plug 41 is inserted into the female socket 42 by moving the sliding plate 21 downward, and the female socket 42 clamps the male plug 41, so as to connect the sliding plate 21 and the lower cover plate 12. After the screw locking is completed, the sliding plate 21 is pressed downward, and the male plug 41 is separated from the female socket 42 under the action of the elastic piece 3.

[0053] In some embodiments, the elastic piece 3 is a compression spring, the upper end of the compression spring is in abutment with the sliding plate 21, and the other end of the compression spring is in abutment with the base body 1, specifically, the compression spring is sleeved on the guide column 13.

[0054] In some embodiments, a linear bearing is arranged on the sliding plate 21, and the sliding plate 21 is sleeved on the guide rod through the linear bearing. The linear bearing can reduce the friction when the sliding plate 21 moves relative to the guide rod.

[0055] In summary, the screw locking device provided by the embodiments of the present application is not limited by the operation space, can accurately position the position of the screw locking in the deep layer of the shell, solves the problem that manual operation is difficult to accurately perform in a limited space, is not affected by visual obstacles, uses the base body 1 and the guide pipe 22 and other parts to ensure that the screw and the screw hole are accurately aligned, overcomes the challenge that the direct line of sight is blocked, the locking force is easy to control, the counting electric screwdriver is used in cooperation, the strength is strictly controlled, and quality problems caused by improper force are avoided, the repeatability and consistency are improved, the repeatability and consistency of each locking action are improved, the stability of product quality is ensured, compared with the traditional manual method, the work efficiency is significantly improved, the production time and labor cost are reduced, and the opportunity of the tool directly contacting the product is reduced through the design of the guide pipe 22, and the probability of short circuit events is reduced.

[0056] The scheme of the present application has been described in detail above with reference to the drawings. In the above-described embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments. Those skilled in the art should also know that the actions and modules involved in the specification are not necessarily required by the present application. In addition, it can be understood that the steps in the method embodiments of the present application can be adjusted, combined and reduced in sequence according to actual needs, and the modules in the device embodiments of the present application can be combined, divided and reduced according to actual needs.

[0057] Having described various embodiments of the application, it is to be understood that the above description is meant to be illustrative only, and that many modifications and variations of the embodiments described herein are possible. It is therefore to be understood that within the scope of the appended claims, and their equivalents, many alternatives to the embodiments described herein are possible. The selection of terms to be used in the description is not intended to limit the scope of the embodiments described herein, but rather to best explain the principles of the embodiments, practical application, or improvement over the technology in the art, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A screw attachment device, characterized in that The device comprises a base (1) and a positioning member (2), the positioning member (2) comprises a sliding plate (21) and a guide pipe (22) arranged on the sliding plate (21), the sliding plate (21) is in sliding connection with the base (1), the sliding plate (21) can slide up and down relative to the base (1), the guide pipe (22) is arranged in a vertical direction, an upper end of the guide pipe (22) is provided with an inlet, a lower end of the guide pipe (22) is provided with an outlet, and an elastically deformable clamping part (221) is arranged at the outlet of the guide pipe (22). A screw enters the guide pipe (22) from the inlet and can be clamped by the clamping part (221), when the screw is forced to move downward, the clamping part (221) can be deformed, and then the screw is discharged from the outlet of the guide pipe (22).

2. The device according to claim 1, wherein the clamping part (221) comprises a plurality of clamping arms (2211) arranged in a circumferential direction of the outlet.

3. The device according to claim 2, wherein the clamping arms (2211) are made of rubber material.

4. The device according to claim 1, wherein the base (1) comprises an upper cover plate (11), a lower cover plate (12) and a guide column (13) connected between the upper cover plate (11) and the lower cover plate (12), and the sliding plate (21) is in sliding connection with the guide column (13).

5. The device according to claim 4, wherein the lower cover plate (12) is provided with a through hole (121) for the guide pipe (22) to pass through.

6. The device according to claim 4, wherein the upper cover plate (11) is provided with a handle (14).

7. The device according to claim 4, wherein the lower cover plate (12) is in a frame structure, and the base (1) is provided with the positioning member (2) on opposite sides thereof.

8. The device according to claim 1, further comprising an elastic member (3) and a connecting member (4), the elastic member (3) is arranged between the base (1) and the sliding plate (21) and has an upward force on the sliding plate (21); and the sliding plate (21) is detachably connected with the base (1) through the connecting member (4).

9. The device according to claim 8, wherein the connecting member (4) is a press-type elastic buckle, the press-type elastic buckle comprises a male plug (41) and a female socket (42), the male plug (41) is detachably connected with the female socket (42), the male plug (41) is arranged on one of the sliding plate (21) and the base (1), and the female socket (42) is arranged on the other one of the sliding plate (21) and the base (1).

10. The device according to claim 8, wherein the elastic member (3) is a compression spring, an upper end of the compression spring abuts against the sliding plate (21), and the other end of the compression spring abuts against the base (1). ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

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