Battery pack clamping structure and electric snow blower
Patent Information
- Application Number
- CN202521593796.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-29
- Publication Date
- 2026-09-11
- Estimated Expiration
- 2035-07-29
AI Technical Summary
[0002]目前许多电动工具都采用可拆卸的动力电池包供电，使用时电池包卡在壳体的一端从而对壳体内的诸多元器件进行供电，这种卡合结构中需要电池包的导电触针与壳体上的导电触针接触方可实现导通，由于电池包的导电触针是出于带电状态，所以在电池包在卡插入壳体那一刻，电池包上的导电触针会向壳体上的导电触针放电，随着使用时间的增加壳体上的导电触针会随着时间的增加而出现损伤，后续出现接触不良的现象
[0018] Specifically, the first moving block, the second moving block, the first reset spring, the second reset spring, and the micro switch are all mounted on the base plate.
Smart Images
Figure CN224745791U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic product accessories, and in particular to a battery pack locking structure and an electric snow sweeper. Background Technology
[0002] Many power tools currently use detachable battery packs for power supply. When in use, the battery pack is snapped into one end of the housing to power various components inside. This snap-fit structure requires the conductive pins of the battery pack to contact the conductive pins on the housing to achieve conductivity. Since the conductive pins of the battery pack are in a charged state, when the battery pack is inserted into the housing, the conductive pins on the battery pack will discharge to the conductive pins on the housing. As the usage time increases, the conductive pins on the housing will become damaged, leading to poor contact later on. Utility Model Content
[0003] To address the aforementioned problems, this utility model proposes a battery pack locking structure.
[0004] The technical solution adopted by this utility model is as follows:
[0005] A battery pack engaging structure includes a compartment, a battery pack, a micro switch, a first moving block, a second moving block, a first return spring, and a second return spring. The micro switch is disposed within the compartment. The first moving block is slidably disposed within the compartment. The second moving block is slidably disposed within the compartment. The first return spring is disposed between the first moving block and the inner wall of the compartment. The second return spring is disposed between the second moving block and the inner wall of the compartment. The second moving block is located on one side of the micro switch. The conductive sheet on the battery pack is electrically connected to the battery cell through the micro switch.
[0006] In this type of battery pack locking structure, the connection between the conductive plates on the battery pack and the battery cells is controlled by a micro switch. When the battery pack is placed into the compartment, it presses against the first moving block. After the first moving block moves, it presses against the second moving block, which then contacts the micro switch, causing the conductive plates on the battery pack to disconnect from the battery cells. When the battery pack is fully placed into the compartment, the conductive plates on the power tool are in contact with the conductive plates on the battery pack. The first moving block moves back a certain distance under the action of the first return spring, and the second moving block moves back a distance under the action of the second return spring, so that the second moving block no longer presses against the micro switch. At this time, the conductive plates on the battery pack are energized. Since the conductive plates on the battery pack and the conductive plates on the power tool are already in contact, energizing at this time will not cause a discharge phenomenon and will not damage the conductive plates.
[0007] In summary, this structure, through the first moving block, the second moving block, the first reset spring, the second reset spring, and the micro switch, ensures that the conductive sheet is not energized at the beginning of the connection and is energized after the connection is completed, thus avoiding the occurrence of discharge and preventing damage to the conductive sheet.
[0008] Optionally, it also includes a limiting block, which is set on the chamber body. The second moving block is provided with a limiting slide, which is slidably engaged with the limiting block. One end of the second return spring abuts against the limiting block, and the other end of the second return spring abuts against one end of the second moving block.
[0009] The specific limit block is set on the bottom plate of the compartment, and the second moving block slides and engages with the limit block through its own sliding groove. This is to ensure that the first moving block can move stably in one direction.
[0010] Optionally, the second moving block is provided with a receiving groove, the second return spring is located in the receiving groove, and the limiting block is provided with a nested post, the second return spring and the nested post being nested together.
[0011] The function of the receiving groove is to accommodate the spring and ensure that the second return spring can extend and retract stably.
[0012] Optionally, the first moving block is provided with a first contact slope, and the second moving block is provided with a second contact slope.
[0013] The first moving block and the second moving block are in contact through the first contact slope and the second contact slope.
[0014] Optionally, the first movable block is provided with a countersunk hole, the cabin is provided with a locking post, one end of the first return spring is engaged with the locking post, and the other end of the first return spring is engaged with the countersunk hole.
[0015] One end of the first return spring is locked onto the locking post of the base plate, and the other end of the first return spring is engaged with the countersunk hole, thus achieving stable and elastic installation of the first moving block.
[0016] Optionally, the number of the first moving blocks is equal to the number of the second moving blocks.
[0017] Optionally, the silo body includes a bottom plate, a cover plate, and a surrounding plate. The bottom plate and the cover plate are located at opposite ends of the surrounding plate. The cover plate and the surrounding plate are detachably fitted together, and the bottom plate and the surrounding plate are fixedly fitted together.
[0018] Specifically, the first moving block, the second moving block, the first reset spring, the second reset spring, and the micro switch are all mounted on the base plate.
[0019] Optionally, each first moving block is coupled with two first return springs, and the two first return springs on each moving block are in a parallel and non-contact state.
[0020] An electric snowplow includes a battery pack engaging structure as described above.
[0021] The beneficial effects of this utility model are: by using the first moving block, the second moving block, the first reset spring, the second reset spring, and the micro switch, the conductive sheet is not energized when it is first connected, and is energized after the connection is completed, thus avoiding the generation of discharge phenomenon and preventing damage to the conductive sheet. Attached Figure Description
[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.
[0023] Figure 1 This is a simplified structural diagram of the warehouse.
[0024] Figure 2 This is a schematic diagram showing the positional relationship of the battery pack within the compartment;
[0025] Figure 3 This is a schematic diagram showing the positional relationship between the first moving block and the second moving block on the base plate;
[0026] Figure 4 yes Figure 3 A simplified enlarged diagram of point A in the middle;
[0027] Figure 5 This is a schematic diagram showing the positional relationship of the first return spring on the base plate;
[0028] Figure 6 yes Figure 5 A simplified enlarged diagram of point B in the middle;
[0029] Figure 7 This is a schematic diagram showing the cooperation relationship between the first moving block and the second moving block.
[0030] The figures are labeled as follows: 101, cover plate; 102, enclosure plate; 103, base plate; 2, battery pack; 3, micro switch; 4, first moving block; 401, first contact slope; 402, mating countersunk hole; 5, second moving block; 501, receiving groove; 502, sliding opening; 503, second contact slope; 6, limiting block; 601, nested post; 7, second return spring; 8, first return spring; 9, locking post. Detailed Implementation
[0031] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0032] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0033] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
[0034] Example 1
[0035] As attached Figure 1 Appendix Figure 2 Appendix Figure 3 Appendix Figure 4 Appendix Figure 5 Appendix Figure 6 and appendix Figure 7 As shown, a battery pack 2 engaging structure includes a compartment, a battery pack 2, a micro switch 3, a first moving block 4, a second moving block 5, a first return spring 8, and a second return spring 7. The micro switch 3 is disposed within the compartment, the first moving block 4 is slidably disposed within the compartment, the second moving block 5 is slidably disposed within the compartment, the first return spring 8 is disposed between the first moving block 4 and the inner wall of the compartment, and the second return spring 7 is disposed between the second moving block 5 and the inner wall of the compartment. The second moving block 5 is located on one side of the micro switch 3, and the conductive sheet on the battery pack 2 is electrically connected to the battery cell through the micro switch 3.
[0036] In this type of battery pack 2 locking structure, the connection between the conductive sheet and the battery cell on the battery pack 2 is controlled by a micro switch 3. When the battery pack 2 is placed into the compartment, the battery pack 2 presses the first moving block 4. After the first moving block 4 moves, it presses the second moving block 5 to move. The second moving block 5 abuts against the micro switch 3, so that the micro switch 3 disconnects the conductive sheet on the battery pack 2 from the battery cell. When the battery pack 2 is fully placed into the compartment, the conductive sheet on the power tool is in contact with the conductive sheet on the battery pack 2. The first moving block 4 moves back a certain distance under the action of the first return spring 8, and the second moving block 5 moves back a distance under the action of the second return spring 7, so that the second moving block 5 no longer presses against the micro switch 3. At this time, the conductive sheet on the battery pack 2 is in a charged state. Since the conductive sheet of the battery pack 2 is already in contact with the conductive sheet on the power tool, there will be no discharge phenomenon when the power is applied, and the conductive sheet will not be damaged.
[0037] In summary, this structure, through the first moving block 4, the second moving block 5, the first reset spring 8, the second reset spring 7, and the micro switch 3, achieves the following: the conductive sheet is not energized when it first starts to connect, and is energized after the connection is completed, thus avoiding the generation of discharge phenomenon and preventing damage to the conductive sheet.
[0038] As attached Figure 1 Appendix Figure 2 Appendix Figure 3 Appendix Figure 4 Appendix Figure 5 Appendix Figure 6 and appendix Figure 7 As shown, it also includes a limiting block 6, which is set on the chamber body. The second moving block 5 is provided with a limiting slide 502, which slides together with the limiting block 6. One end of the second return spring 7 abuts against the limiting block 6, and the other end of the second return spring 7 abuts against one end of the second moving block 5.
[0039] Specifically, the limiting block 6 is set on the bottom plate 103 of the compartment. The second moving block 5 slides and engages with the limiting block 6 through its own sliding opening 502. This is to ensure that the first moving block 4 can move stably in one direction.
[0040] As attached Figure 1 Appendix Figure 2 Appendix Figure 3 Appendix Figure 4 Appendix Figure 5 Appendix Figure 6 and appendix Figure 7 As shown, the second moving block 5 is provided with a receiving groove 501, the second return spring 7 is located in the receiving groove 501, and the limiting block 6 is provided with a nested post 601, the second return spring 7 and the nested post 601 are nested together.
[0041] The function of the receiving groove 501 is to receive the spring and ensure that the second return spring 7 can extend and retract stably.
[0042] As attached Figure 1 Appendix Figure 2 Appendix Figure 3 Appendix Figure 4 Appendix Figure 5 Appendix Figure 6 and appendix Figure 7 As shown, the first moving block 4 is provided with a first contact slope 401, and the second moving block 5 is provided with a second contact slope 503.
[0043] The first moving block 4 and the second moving block 5 are in contact through the first contact slope 401 and the second contact slope 503.
[0044] As attached Figure 1 Appendix Figure 2 Appendix Figure 3 Appendix Figure 4 Appendix Figure 5 Appendix Figure 6 and appendix Figure 7 As shown, the first moving block 4 is provided with a countersunk hole 402, the cabin is provided with a locking post 9, one end of the first return spring 8 is engaged with the locking post 9, and the other end of the first return spring 8 is engaged with the countersunk hole 402.
[0045] One end of the first return spring 8 is locked onto the locking post 9 of the base plate 103, and the other end of the first return spring 8 is engaged with the countersunk hole 402, thus achieving stable and elastic installation of the first moving block 4.
[0046] As attached Figure 1 Appendix Figure 2 Appendix Figure 3 Appendix Figure 4 Appendix Figure 5 Appendix Figure 6 and appendix Figure 7 As shown, the number of first moving blocks 4 is equal to the number of second moving blocks 5.
[0047] As attached Figure 1 Appendix Figure 2 Appendix Figure 3 Appendix Figure 4 Appendix Figure 5 Appendix Figure 6 and appendix Figure 7 As shown, the silo body includes a bottom plate 103, a cover plate 101, and a surrounding plate 102. The bottom plate 103 and the cover plate 101 are located at both ends of the surrounding plate 102, and the cover plate 101 and the surrounding plate 102 are detachably fitted together. The bottom plate 103 and the surrounding plate 102 are fixedly fitted together.
[0048] Specifically, the first moving block 4, the second moving block 5, the first reset spring 8, the second reset spring 7, and the micro switch 3 are all mounted on the base plate 103.
[0049] As attached Figure 1 Appendix Figure 2 Appendix Figure 3 Appendix Figure 4 Appendix Figure 5 Appendix Figure 6 and appendix Figure 7 As shown, each first moving block 4 is engaged with two first return springs 8, and the two first return springs 8 on each moving block are in a parallel and non-contact state.
[0050] Example 2
[0051] An electric snowplow is characterized by including a battery pack engaging structure as shown in Example 1.
[0052] The above-described embodiments only illustrate some aspects of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A battery pack engagement structure characterized by comprising: The device includes a housing, a battery pack, a micro switch, a first moving block, a second moving block, a first return spring, and a second return spring. The micro switch is disposed within the housing. The first moving block is slidably disposed within the housing. The second moving block is slidably disposed within the housing. The first return spring is disposed between the first moving block and the inner wall of the housing. The second return spring is disposed between the second moving block and the inner wall of the housing. The second moving block is located on one side of the micro switch. The conductive plates on the battery pack are electrically connected to the battery cells through the micro switch.
2. The battery pack engaging structure according to claim 1, characterized in that, It also includes a limiting block, which is set on the chamber body. The second moving block is provided with a limiting slide, which is slidably engaged with the limiting block. One end of the second return spring abuts against the limiting block, and the other end of the second return spring abuts against one end of the second moving block.
3. The battery pack engagement structure of claim 2, wherein The second moving block is provided with a receiving groove, the second return spring is located in the receiving groove, the limiting block is provided with a nested post, and the second return spring and the nested post are nested together.
4. The battery pack engagement structure of claim 1, wherein The first moving block is provided with a first contact slope, and the second moving block is provided with a second contact slope.
5. The battery pack engagement structure of claim 1, wherein The first movable block is provided with a countersunk hole, and the cabin is provided with a locking post. One end of the first return spring is engaged with the locking post, and the other end of the first return spring is engaged with the countersunk hole.
6. The battery pack engaging structure according to claim 1, characterized in that, The number of the first moving blocks is equal to the number of the second moving blocks.
7. The battery pack engagement structure of claim 1, wherein The silo body includes a bottom plate, a cover plate, and a surrounding plate. The bottom plate and the cover plate are located at opposite ends of the surrounding plate. The cover plate and the surrounding plate are detachably fitted together, and the bottom plate and the surrounding plate are fixedly fitted together.
8. The battery pack engagement structure of claim 1, wherein Each first moving block is engaged with two first return springs, and the two first return springs on each moving block are in a parallel and non-contact state.
9. An electric snow thrower characterized by Includes the battery pack engaging structure as described in any one of claims 1 to 8.