Splicing handle and underwater propeller

Abstract

The embodiment of the utility model discloses a splicing handle and an underwater propeller, and relates to the field of water activities and underwater sailing, the splicing handle comprises a first holding assembly and a second holding assembly; the first holding assembly is connected with the second holding assembly, or the first holding assembly is connected with the second holding assembly through a plurality of expansion connecting pieces; wherein all the expansion connecting pieces are provided with first connecting parts and second connecting parts, the first connecting part of the first expansion connecting piece is connected with the first holding assembly, and from the second expansion connecting piece, the first connecting part of the expansion connecting piece is connected with the second connecting part of the previous expansion connecting piece; and the second connecting part of the last expansion connecting piece is connected with the second holding assembly. Connection is carried out through the expansion connecting pieces, a user can flexibly select the number of connections according to needs, and therefore the effects of rapid splicing and disassembling are achieved.

Description

Technical Field

[0001] This utility model relates to the fields of water activities and underwater navigation, and in particular to a splicing handle and an underwater propulsion device. Background Technology

[0002] Existing underwater thruster handles typically employ a fixed structure, making it difficult for users to adjust and expand them according to actual needs. The traditional handle design limits user flexibility, especially when multiple thrusters need to be connected, often requiring custom handles and causing inconvenience in carrying and use. Therefore, a new modular handle structure is urgently needed to improve flexibility and portability. Utility Model Content

[0003] The technical problem to be solved by this utility model embodiment is that the handle is fixed and lacks flexibility in the prior art.

[0004] To address the aforementioned problems, this utility model discloses a splicing handle and an underwater propulsion device. By using extension connectors for connection, users can flexibly select the number of connections as needed, thereby achieving rapid splicing and disassembly.

[0005] This utility model provides a splicing handle, which includes a first grip component and a second grip component; the first grip component is connected to the second grip component, or the first grip component and the second grip component are connected by a plurality of extension connectors; wherein, all the extension connectors are provided with a first connecting part and a second connecting part, the first connecting part of the first extension connector is connected to the first grip component, from the second extension connector onwards, the first connecting part of the extension connector is connected to the second connecting part of the previous extension connector, and the second connecting part of the last extension connector is connected to the second grip component.

[0006] A further technical solution is that the expansion connector further includes a main body, which is connected to the first connecting part and the second connecting part respectively. The first connecting part and the main body form a first notch; the second connecting part and the main body form a second notch; the second connecting part of the preceding expansion connector is embedded in the first notch of the following expansion connector; and the first connecting part of the following expansion connector is embedded in the second notch of the preceding expansion connector.

[0007] A further technical solution is that the first gripping component includes a first gripping portion and a third connecting portion, and the second gripping component includes a second gripping portion and a fourth connecting portion; the third connecting portion forms a third notch with the first gripping portion; the fourth connecting portion forms a fourth notch with the second gripping portion; the first connecting portion is embedded in the third notch or embedded in the second notch; the second connecting portion is embedded in the first notch or embedded in the fourth notch; the third connecting portion is embedded in the first notch or embedded in the fourth notch; the fourth connecting portion is embedded in the third notch or embedded in the second notch.

[0008] A further technical solution is that the third connecting part and the second connecting part are respectively provided with grooves, and the fourth connecting part and the first connecting part are respectively provided with protrusions, the protrusions being able to be embedded in the grooves.

[0009] A further technical solution is that the groove is provided with a first fixing hole, the protrusion is provided with a second fixing hole, and the first fixing hole and the second fixing hole are connected by bolts.

[0010] A further technical solution includes a quick-release component, wherein the protrusion is embedded in the groove to form a splicing part, and the quick-release component is disposed on one side of the splicing part.

[0011] A further technical solution is that the quick-release assembly includes an upper shell and a lower shell, the upper shell and the lower shell are detachably connected, and the upper shell is located below the splicing part.

[0012] A further technical solution is that the first connecting part, the second connecting part, the third connecting part and the fourth connecting part are respectively provided with a first mounting hole, the upper shell is provided with a second mounting hole, and the first mounting hole and the second mounting hole are connected by bolts.

[0013] A further technical solution is that the quick-release assembly also includes a press buckle and an elastic element. The lower shell is provided with a buckle hole. The elastic element and the press buckle are respectively provided on the upper shell. The elastic element is connected to the press buckle and the upper shell respectively. The press buckle is connected to the buckle hole.

[0014] This utility model also provides an underwater propulsion device, including the splicing handle described in any of the above embodiments.

[0015] Compared with the prior art, the technical effects achieved by the embodiments of this utility model include:

[0016] The splicing handle structure provided in this embodiment has the advantages of high flexibility, portability, and ease of assembly and disassembly, which can meet the diverse needs of users when using underwater thrusters and improve the user experience. Through this invention, users can freely choose the handle length and connection method according to actual needs, solving many shortcomings of traditional handle structures. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of a splicing handle structure provided in this embodiment;

[0019] Figure 2 This is a schematic diagram of another splicing handle structure provided in this embodiment;

[0020] Figure 3 for Figure 2 An exploded view of a splicing handle is shown;

[0021] Figure 4 for Figure 2 An exploded view of a splicing handle is shown;

[0022] Figure 5 This is a schematic diagram of an underwater thruster structure provided in this embodiment;

[0023] Figure 6 for Figure 5 The diagram shown is an exploded schematic of an underwater thruster.

[0024] Figure 7 This is a schematic diagram of another underwater thruster structure provided in this embodiment;

[0025] Figure 8 for Figure 7 The diagram shown is an exploded schematic of an underwater thruster.

[0026] Figure 9 for Figure 7 The diagram shown is an exploded schematic of an underwater thruster.

[0027] Figure 10 This is a schematic diagram of an extension connector structure provided in this embodiment;

[0028] Figure 11 This is a schematic diagram of another expansion connector structure provided in this embodiment;

[0029] Figure 12 This is a schematic diagram of another extended connector structure provided in this embodiment;

[0030] Figure 13 This is a schematic diagram of another extended connector structure provided in this embodiment;

[0031] Figure 14 This is a schematic diagram of another extended connector structure provided in this embodiment;

[0032] Figure 15 This is a schematic diagram of a quick-release component structure provided in this embodiment;

[0033] Figure 16 This is a schematic diagram of another quick-release component structure provided in this embodiment;

[0034] Figure 17 for Figure 15 An exploded view of a quick-release assembly is shown.

[0035] Figure 18 for Figure 15 An exploded view of a quick-release assembly is shown.

[0036] Figure Labels

[0037] 1. First grip component; 2. Second grip component; 3. Extension connector; 4. Groove; 5. Protrusion; 6. Quick-release component;

[0038] 11. First gripping part; 12. Third connecting part; 13. Third notch;

[0039] 21. Second gripping part; 22. Fourth connecting part; 23. Fourth notch;

[0040] 31. First connecting part; 32. Second connecting part; 33. Main body part; 34. First notch; 35. Second notch;

[0041] 41. First fixing hole; 51. Second fixing hole;

[0042] 61. Upper shell; 62. Lower shell; 63. Press-fit buckle; 64. Elastic element; 621. Buckle hole;

[0043] 81. First mounting hole; 82. Second mounting hole. Detailed Implementation

[0044] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Similar component reference numerals in the drawings represent similar components. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0045] It should be understood that, when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.

[0046] It should also be understood that the terminology used in this specification of embodiments of the present invention is for the purpose of describing particular embodiments only and is not intended to limit the embodiments of the present invention. As used in this specification of embodiments of the present invention and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0047] See Figure 1-18 This utility model provides a splicing handle. The splicing handle includes a first grip component 1 and a second grip component 2; the first grip component 1 is connected to the second grip component 2, or the first grip component 1 and the second grip component 2 are connected via a plurality of extension connectors 3; wherein, all the extension connectors 3 are provided with a first connecting portion 31 and a second connecting portion 32, the first connecting portion 31 of the first extension connector 3 is connected to the first grip component 1, from the second extension connector 3 onwards, the first connecting portion 31 of the extension connector 3 is connected to the second connecting portion 32 of the preceding extension connector 3, and the second connecting portion 32 of the last extension connector 3 is connected to the second grip component 2. The specific descriptions of each component are as follows:

[0048] In this embodiment, the first grip component 1 and the second grip component 2 serve as the basic parts of the handle, providing a foundation for the user's grip. An extension connector 3 is used to connect the first grip component 1 and the second grip component 2. The number of extension connectors 3 can be increased or decreased according to user needs. Understandably, if the number of extension connectors 3 is 0, the first grip component 1 and the second grip component 2 are connected to form a complete handle structure; if the number of extension connectors 3 is 1, one side of the extension connector 3 is connected to the first grip component 1, and the other side is connected to the second grip component 2, forming a complete handle structure; if the number of extension connectors 3 is greater than 1, all extension connectors 3 are connected end-to-end sequentially, with one side of the assembled extension connector 3 connected to the first grip component 1 and the other side connected to the second grip component 2, forming a complete handle structure.

[0049] In this embodiment, one side of the extension connector 3 is a first connecting part 31, which is used to connect with the first gripping component 1, or the first connecting part 31 is used to connect with the second connecting part 32 of the previous extension connector 3; the other side of the extension connector 3 is a second connecting part 32, which is used to connect with the second gripping component 2, or the second connecting part 32 is used to connect with the first connecting part 31 of the subsequent extension connector 3.

[0050] The splicing handle structure provided in this embodiment has the advantages of high flexibility, portability, and ease of splicing and disassembly, which can meet the diverse needs of users when using underwater propulsion devices and improve the user experience. With this invention, users can freely choose the handle length and connection method according to actual needs.

[0051] See also Figure 1-18 In this embodiment, the expansion connector 3 further includes a main body 33, which is connected to the first connecting part 31 and the second connecting part 32 respectively. The first connecting part 31 and the main body 33 form a first notch 34; the second connecting part 32 and the main body 33 form a second notch 35; the second connecting part 32 of the previous expansion connector 3 is embedded in the first notch 34 of the subsequent expansion connector 3; and the first connecting part 31 of the subsequent expansion connector 3 is embedded in the second notch 35 of the previous expansion connector 3.

[0052] Specifically, the sum of the heights of the first connecting portion 31 and the second connecting portion 32 is equal to the height of the main body 33. The second connecting portion 32 of the preceding expansion connector 3 is embedded in the first notch 34 of the following expansion connector 3, ensuring the stability of the connection. In this embodiment, the first notch 34 is above the first connecting portion 31, and the second notch 35 is below the second connecting portion 32. The height of the first notch 34 is equal to the height of the second connecting portion 32, and the height of the second notch 35 is equal to the height of the first connecting portion 31. As a result, after multiple expansion connectors 3 are spliced ​​together, the splice joint is smooth and aesthetically pleasing.

[0053] Further, the first grip component 1 includes a first grip portion 11 and a third connecting portion 12, and the second grip component 2 includes a second grip portion 21 and a fourth connecting portion 22; the third connecting portion 12 and the first grip portion 11 form a third notch 13; the fourth connecting portion 22 and the second grip portion 21 form a fourth notch 23; the first connecting portion 31 is embedded in the third notch 13 or in the second notch 35; the second connecting portion 32 is embedded in the first notch 34 or in the fourth notch 23; the third connecting portion 12 is embedded in the first notch 34 or in the fourth notch 23; the fourth connecting portion 22 is embedded in the third notch 13 or in the second notch 35.

[0054] Specifically, the first grip portion 11 is used to provide a grip for the user, and the third connecting portion 12 is used to connect with the first connecting portion 31, or to connect with the fourth connecting portion 22. The second grip portion 21 is used to provide a grip for the user, and the fourth connecting portion 22 is used to connect with the first connecting portion 31, or to connect with the second connecting portion 32.

[0055] In this embodiment, the first connecting part 31 and the fourth connecting part 22 are the same in size and shape, the difference being that the first connecting part 31 is mounted on the extension connector 3, and the fourth connecting part 22 is mounted on the second gripping component 2; the second connecting part 32 and the third connecting part 12 are the same in size and shape, the difference being that the second connecting part 32 is mounted on the extension connector 3, and the third connecting part 12 is mounted on the first gripping component 1.

[0056] Furthermore, the third connecting part 12 and the second connecting part 32 are respectively provided with grooves 4, and the fourth connecting part 22 and the first connecting part 31 are respectively provided with protrusions 5, the protrusions 5 being able to be embedded in the grooves 4.

[0057] Specifically, the top-down projection shape of the groove 4 is the same as the top-down projection shape of the protrusion 5. In this embodiment, the top-down projection shapes of the groove 4 and the protrusion 5 are trapezoidal, which increases the mating area of ​​the groove 4 and the protrusion 5 and improves the stable connection of the groove 4 and the protrusion 5.

[0058] Furthermore, the groove 4 is provided with a first fixing hole 41, and the protrusion 5 is provided with a second fixing hole 51. The first fixing hole 41 and the second fixing hole 51 are connected by bolts.

[0059] Specifically, when the protrusion 5 is embedded in the groove 4, the first fixing hole 41 and the second fixing hole 51 are aligned. Bolts are then passed through the first fixing hole 41 and the second fixing hole 51 respectively to reinforce the engagement of the protrusion 5 and the groove 4. This reinforces the connection between the first gripping component 1 and the extension connector 3, the connection between the first gripping component 1 and the second gripping component 2, the connection between the second gripping component 2 and the extension connector 3, and the connection between extension connectors 3 and 3. It should be noted that when the first fixing hole 41 and the second fixing hole 51 are connected by bolts, the first fixing hole 41 and the second fixing hole 51 are located on different components. For example, the first fixing hole 41 of the first extension connector is connected to the second fixing hole 51 of the second extension connector by bolts. This does not mean that the first fixing hole 41 and the second fixing hole 51 simultaneously included on the extension connector 3 are connected by bolts. For example, the first fixing hole 41 on the third extension connector and the second fixing hole 51 on the third extension connector cannot be connected by bolts.

[0060] Furthermore, it also includes a quick-release component 6, wherein the protrusion 5 is embedded in the groove 4 to form a splicing part, and the quick-release component 6 is disposed on one side of the splicing part.

[0061] Specifically, the quick-release assembly 6 is used to connect the splicing handle to the underwater propulsion main unit. In this embodiment, the splicing part includes a first connecting part 31 embedded in the third notch 13, a first connecting part 31 embedded in the second notch 35, a second connecting part 32 embedded in the first notch 34, a second connecting part 32 embedded in the fourth notch 23, a third connecting part 12 embedded in the first notch 34, a third connecting part 12 embedded in the fourth notch 23, a fourth connecting part 22 embedded in the third notch 13, and a fourth connecting part 22 embedded in the second notch 35. Understandably, quick-release assemblies 6 can be installed below the first connecting part 31, the second connecting part 32, the third connecting part 12, and the fourth connecting part 22. The number of quick-release assemblies 6 can be freely selected and installed according to user needs. In this embodiment, one underwater propulsion main unit can be installed below one quick-release assembly 6.

[0062] Furthermore, the quick-release assembly 6 includes an upper shell 61 and a lower shell 62, the upper shell 61 and the lower shell 62 are detachably connected, and the upper shell 61 is located below the splicing part.

[0063] Specifically, the detachable connection between the upper shell 61 and the lower shell 62 includes bolt connection, snap-fit ​​connection, and threaded connection. In this embodiment, the upper shell 61 is used to fix the splicing handle, and the lower shell 62 is used to fix the underwater thruster main unit. The detachable connection between the upper shell 61 and the lower shell 62 enables the splicing handle and the underwater thruster main unit to be detachably connected, allowing for quick assembly and disassembly. In one embodiment, the lower shell 62 is fixed to the underwater thruster main unit by bolts.

[0064] Furthermore, the first connecting part 31, the second connecting part 32, the third connecting part 12 and the fourth connecting part 22 are respectively provided with a first mounting hole 81, and the upper shell 61 is provided with a second mounting hole 82. The first mounting hole 81 and the second mounting hole 82 are connected by bolts.

[0065] Specifically, the first connecting part 31, the second connecting part 32, the third connecting part 12 and the fourth connecting part 22 are respectively provided with the same first mounting hole 81. By passing bolts through the first mounting hole 81 and the second mounting hole 82 respectively, the first gripping component 1, the second gripping component 2 and the extension connector 3 are respectively connected to the upper shell 61 of the quick-release component 6.

[0066] In this embodiment, multiple first mounting holes 81 are provided around the splicing portion. The third connecting portion 12 is stacked on the first connecting portion 31, and the first mounting holes 81 of the third connecting portion 12 are aligned with the first mounting holes 81 of the first connecting portion 31. Bolts are passed through the first mounting holes 81 of the third connecting portion 12, the first mounting holes 81 of the first connecting portion 31, and the second mounting holes 82, respectively, to fix the upper shell 61 of the quick-release assembly 6 below the first connecting portion 31. Similarly, the second connecting portion 32 is stacked on the first connecting portion 31, and the first mounting holes 81 of the second connecting portion 32 are aligned with the first mounting holes 81 of the first connecting portion 31. Bolts are passed through the first mounting holes 81 of the second connecting portion 32, the first mounting holes 81 of the first connecting portion 31, and the second mounting holes 82, respectively, to fix the upper shell 61 of the quick-release assembly 6 below the first connecting portion 31. Understandably, the second connecting part 32 is stacked on the fourth connecting part 22, and the first mounting hole 81 of the second connecting part 32 is aligned with the first mounting hole 81 of the fourth connecting part 22. By passing bolts through the first mounting hole 81 of the second connecting part 32, the first mounting hole 81 of the fourth connecting part 22, and the second mounting hole 82, the upper shell 61 of the quick-release assembly 6 is fixed below the fourth connecting part 22.

[0067] Furthermore, the quick-release assembly 6 also includes a press buckle 63 and an elastic element 64. The lower shell 62 is provided with a buckle hole 621. The elastic element 64 and the press buckle 63 are respectively provided on the upper shell 61. The elastic element 64 is connected to the press buckle 63 and the upper shell 61 respectively. The press buckle 63 is connected to the buckle hole 621.

[0068] Specifically, the elastic element 64 includes a spring and is installed between the press buckle 63 and the housing. The bottom of the press buckle 63 is provided with a hook for engaging with the buckle hole 621. In this embodiment, when the elastic element 64 is compressed, the press buckle 63 separates from the buckle hole 621.

[0069] This utility model also provides an underwater propulsion device, including the splicing handle described in any of the above embodiments.

[0070] Specifically, the underwater propulsion device includes an underwater propulsion main unit and the splicing handle described in any of the above embodiments. The underwater propulsion main unit is a device that converts mechanical energy into hydrodynamic power to propel a vehicle forward in water. It typically consists of components such as an electric motor, a propeller, or a jet pump, generating thrust by rotating the propeller or jetting water. It should be noted that the specific underwater propulsion main unit can be determined with reference to existing materials, and this utility model does not impose specific limitations on it.

[0071] In the above embodiments, the descriptions of each embodiment have different focuses. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0072] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0073] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0074] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0075] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0076] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. The illustrative expressions of the above terms in this specification should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0077] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Since these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

[0078] The above description describes specific embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the scope of protection of this utility model. Therefore, the scope of protection of this utility model should be determined by the scope of the claims.

Claims

1. A splicing handle, characterized in that, It includes a first grip component and a second grip component; the first grip component is connected to the second grip component, or the first grip component and the second grip component are connected through a plurality of extension connectors; All of the aforementioned extension connectors are provided with a first connection portion and a second connection portion. The first connection portion of the first extension connector is connected to the first gripping component. Starting from the second extension connector, the first connection portion of the extension connector is connected to the second connection portion of the previous extension connector. The second connection portion of the last extension connector is connected to the second gripping component.

2. The splicing handle according to claim 1, characterized in that, The expansion connector further includes a main body portion, which is connected to the first connecting portion and the second connecting portion respectively. The first connecting portion and the main body portion form a first notch; the second connecting portion and the main body portion form a second notch; the second connecting portion of the preceding expansion connector is embedded in the first notch of the following expansion connector; the first connecting portion of the following expansion connector is embedded in the second notch of the preceding expansion connector.

3. The splicing handle according to claim 2, characterized in that, The first gripping component includes a first gripping part and a third connecting part, and the second gripping component includes a second gripping part and a fourth connecting part; The third connecting portion forms a third notch with the first gripping portion; the fourth connecting portion forms a fourth notch with the second gripping portion; The first connecting portion is embedded in the third notch, or in the second notch; The second connecting part is embedded in the first notch or in the fourth notch; The third connecting part is embedded in the first notch or in the fourth notch; The fourth connecting part is embedded in the third notch or in the second notch.

4. The splicing handle according to claim 3, characterized in that, The third connecting part and the second connecting part are respectively provided with grooves, and the fourth connecting part and the first connecting part are respectively provided with protrusions, the protrusions being able to be embedded in the grooves.

5. The splicing handle according to claim 4, characterized in that, The groove is provided with a first fixing hole, and the protrusion is provided with a second fixing hole. The first fixing hole and the second fixing hole are connected by bolts.

6. The splicing handle according to claim 5, characterized in that, It also includes a quick-release component, wherein the protrusion is embedded in the groove to form a splicing part, and the quick-release component is disposed on one side of the splicing part.

7. The splicing handle according to claim 6, characterized in that, The quick-release assembly includes an upper shell and a lower shell, which are detachably connected. The upper shell is located below the splicing part.

8. The splicing handle according to claim 7, characterized in that, The first connecting part, the second connecting part, the third connecting part and the fourth connecting part are each provided with a first mounting hole, and the upper shell is provided with a second mounting hole. The first mounting hole and the second mounting hole are connected by bolts.

9. The splicing handle according to claim 8, characterized in that, The quick-release assembly also includes a press buckle and an elastic element. The lower shell is provided with a buckle hole. The elastic element and the press buckle are respectively provided on the upper shell. The elastic element is connected to the press buckle and the upper shell respectively. The press buckle is connected to the buckle hole.

10. An underwater propulsion device, characterized in that, Includes the splicing handle as described in any one of claims 1-9.

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