Water tank connecting structure and rowing machine

Abstract

The utility model provides a water tank connecting structure and rowing machine, including the upper lid body and lower lid body of split, the circumference lateral wall surface of lower lid body around its upside opening is equipped with a plurality of clamping portions, the downside opening of upper lid body is provided with a circle and the clamping groove of lower lid body upside opening inlay, the inner side wall of clamping groove is equipped with a plurality of and the clamping hole of buckling cooperation one -to -one opposite with clamping portion, still including a sealing washer, the positioning groove of distributing around its circumference side is equipped with one side of sealing washer, the positioning protrusion of inlaying is provided with on the upside of lower lid body, positioning protrusion and the positioning groove of sealing washer inlay and integrally inlay in the inner bottom portion of clamping groove to form the seal, the utility model can realize upper lid body and lower lid body between more convenient, fast connection, significantly reduce the labor cost and time cost, keep upper lid body and lower lid body between good sealing performance simultaneously, can effectively prevent the water tank seepage problem, avoid the corrosion damage of seepage to rowing machine other parts, greatly prolong the overall service life of equipment.

Description

Technical Field

[0001] This utility model relates to the technical field of rowing devices, and in particular to a water tank connection structure and a rowing device. Background Technology

[0002] In the fitness equipment industry, rowing machines are widely favored for their ability to simulate real rowing motion and effectively exercise all muscle groups. The water tank, as the core component of the rowing machine, directly affects the equipment's performance and lifespan through its structural design.

[0003] Currently, most rowing machine water tanks in existing technology adopt a split structure, meaning the water tank consists of two covers. The connection between the upper and lower covers is mainly by bolts or adhesive. When using bolts, multiple bolt holes need to be pre-drilled at corresponding positions on the upper and lower covers. During installation, this not only consumes a lot of time and effort for positioning and tightening the bolts, but also, if the tightening force is uneven, it can easily lead to excessive local stress on the covers, causing deformation. Adhesive bonding requires precise control of the amount and area of ​​adhesive applied. Too little adhesive will affect the connection strength, while too much adhesive will cause adhesive to overflow and contaminate the inside of the water tank.

[0004] Both of these connection methods have significant drawbacks in practical applications.

[0005] From the perspective of ease of installation, both the cumbersome operation of bolt connection and the strict requirements of the application process for adhesive bonding make the water tank installation inefficient.

[0006] In terms of later maintenance, bolted connections may experience problems such as bolt corrosion and stripping due to long-term use, making disassembly difficult. Glue adhesion makes disassembly almost impossible without damage. Once the internal components of the water tank are damaged, maintenance personnel often have to replace the entire water tank, which significantly increases the cost of use.

[0007] In terms of sealing performance, due to the gaps in the bolt connection, it is difficult to guarantee a complete seal with glue. As the usage time increases, water inside the tank is prone to seeping out from the connection points, which not only affects the user experience but may also damage other parts of the rowing machine and reduce the service life of the equipment.

[0008] In view of this, the inventor has specifically designed a water tank connection structure and a rowing device, which leads to this invention. Utility Model Content

[0009] To solve the above problems, one of the technical solutions of this utility model is as follows:

[0010] A water tank connection structure includes an upper cover and a lower cover that can be assembled, wherein: the lower cover has a plurality of snap-fit ​​parts on the periphery of its upper opening; the lower opening of the upper cover has a groove that fits into the upper opening of the lower cover; and the inner wall of the groove has a plurality of snap holes that are one-to-one with the snap-fit ​​parts and engage with them.

[0011] It also includes a sealing ring, on one side of which is provided a positioning groove distributed around its periphery;

[0012] The upper side of the lower cover is provided with a positioning protrusion that fits into the positioning groove;

[0013] The positioning protrusion engages with the positioning groove of the sealing ring and is integrally embedded in the inner bottom of the slot to form a seal.

[0014] Preferably, the sealing ring is a U-shaped sealing ring and the opening direction of the positioning groove and the slot is the same.

[0015] Preferably, the snap-fit ​​portion protrudes from the outer wall surface of the upper opening of the lower cover.

[0016] Preferably, the outer wall of the upper opening of the lower cover protrudes to form a reinforcing wall, and the snap-fit ​​part protrudes from the surface of the reinforcing wall.

[0017] Preferably, the snap-fit ​​part is arc-shaped and concentrically arranged with the lower cover, and the snap hole is arc-shaped to match the snap-fit ​​part.

[0018] Preferably, the snap-fit ​​portion includes a guide section located near the opening side of the lower cover and a limiting section located below the guide section. The guide section has a planar transition and is connected to the edge of the limiting section, or the guide section has an arc-shaped transition and is connected to the edge of the limiting section.

[0019] Preferably, the positioning protrusions are continuously distributed around the top surface of the lower cover, and their cross-section is an upright trapezoid with inclined surfaces on both sides.

[0020] Preferably, the slot is formed by a first wall located on the inner side and vertically distributed, a second wall located on the outer side and parallel to the first wall, and a connecting wall connecting the upper ends of the first wall and the second wall. The second wall extends integrally with the lower side of the opening of the upper cover, and the card hole is opened on the inner side of the second wall.

[0021] Preferably, the second wall extends longer than the first wall to cover the snap-fit ​​portion when the upper cover and lower cover are joined together.

[0022] The second technical solution of this utility model is as follows:

[0023] A rowing device, including a water tank connection structure.

[0024] The beneficial effects of this utility model are as follows:

[0025] This utility model achieves a more convenient and quick connection between the upper and lower covers through the snap-fit ​​between the snap-fit ​​part and the snap-fit ​​hole, significantly reducing labor and time costs. At the same time, the cooperation between the positioning protrusion and the sealing ring maintains a stable and good sealing performance between the upper and lower covers, effectively preventing water tank leakage and avoiding corrosion damage to other parts of the rowing machine caused by leakage, thus greatly extending the overall service life of the equipment. Attached Figure Description

[0026] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0027] in:

[0028] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of this utility model;

[0029] Figure 2 This is an exploded structural diagram of Embodiment 1 of this utility model;

[0030] Figure 3 This is an exploded and cross-sectional structural diagram of Embodiment 1 of this utility model;

[0031] Figure 4 yes Figure 3 A magnified schematic diagram of a portion of region A in the middle;

[0032] Figure 5 yes Figure 3 A magnified schematic diagram of a portion of region B in the middle;

[0033] Figure 6 yes Figure 3 A magnified schematic diagram of a portion of region C in the middle;

[0034] Figure 7 This is a cross-sectional structural schematic diagram of Embodiment 1 of this utility model;

[0035] Figure 8 yes Figure 7 A magnified schematic diagram of a portion of region D in the middle;

[0036] Figure 9 This is a partial cross-sectional view of the snap-fit ​​portion in Embodiment 2 of this utility model.

[0037] Label Explanation:

[0038] 100. Upper cover; 110. Slot; 120. First wall surface; 130. Second wall surface; 131. Slot hole; 140. Connecting wall; 200. Lower cover; 210. Snap-fit ​​part; 211. Guide section; 212. Limiting section; 220. Reinforcing wall; 230. Positioning protrusion; 231. First guide wall surface; 300. Receiving cavity; 400. Sealing ring; 410. Positioning groove; 411. Second guide wall surface. Detailed Implementation

[0039] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model. Example 1

[0040] Please see Figures 1 to 8 This is a water tank connection structure, which is the preferred embodiment of the present utility model, including an upper cover 100 and a lower cover 200 that can be assembled.

[0041] In this embodiment, both the upper cover 100 and the lower cover 200 are circular open covers, and when the upper cover 100 and the lower cover 200 are assembled, an inner cavity 300 is formed to accommodate water and the corresponding blades. In order to achieve a convenient and stable seal between the upper cover 100 and the lower cover 200, the specific implementation is as follows:

[0042] like Figure 3 , 4 As shown in Figure 6, the lower cover 200 is provided with a number of snap-fit ​​parts 210 evenly around the outer wall of its upper opening. The lower opening of the upper cover 100 is provided with a ring of snap-fit ​​grooves 110 that fit into the upper opening of the lower cover 200. The inner wall of the snap-fit ​​grooves 110 is provided with a number of snap-fit ​​holes 131 that are opposite to and engage with the snap-fit ​​parts 210.

[0043] Specifically, a reinforcing wall 220 protrudes from the outer side of the upper opening of the lower cover 200, and a snap-fit ​​part 210 protrudes from the surface of the reinforcing wall 220. Through the reinforcing wall 220, the thickness of this part of the lower cover 200 can be increased, and a part protruding outward can be formed. Based on the reinforcing wall 220, the connection effect with the corresponding slot 110 of the upper cover 100 can be enhanced.

[0044] In addition, in this embodiment, 10 snap-fit ​​parts 210 are evenly arranged around the outer peripheral sidewall of the upper opening of the lower cover 200.

[0045] like Figure 4As shown, the snap-fit ​​part 210 includes a guide section 211 located near the opening side of the lower cover 200 and a limiting section 212 located below the guide section 211. The guide section 211 has an arc transition and is connected to the edge of the limiting section 212. In this embodiment, the tilting direction of the guide section 211 is tilted from the edge of the limiting section 212 toward the upper side and toward the top of the reinforcing wall 220. So when the upper cover 100 and the lower cover 200 are assembled, the guide section 211 can guide the inner wall surface of the lower opening of the upper cover 100, so that the snap-fit ​​part 210 can be smoothly deformed into the snap hole 131 of the snap groove 110 for snap-fit ​​engagement.

[0046] In addition, such as Figure 2 As shown, the snap-fit ​​part 210 is arc-shaped and concentrically arranged with the lower cover 200. The snap hole 131 is arc-shaped to match the snap-fit ​​part 210. In this embodiment, the cross-section of the opening is square and is bent along its extension direction to form an arc shape to match the snap-fit ​​part 210. Through the arc-shaped snap-fit ​​part 210 and the snap hole 131, the stability of the upper cover 100 and the lower cover 200 when snap-fitted together can be further improved.

[0047] like Figure 2 , 3 As shown in Figure 5, it also includes a sealing ring 400, and a positioning groove 410 is provided on one side of the sealing ring 400 around its periphery.

[0048] Combination Figure 4 , 8 As shown, the lower cover 200 has a positioning protrusion 230 on its upper side that fits into the positioning groove 410.

[0049] In this embodiment, the positioning protrusion 230 protrudes from the center of the upper end face of the lower cover 200 and forms an annular shape distributed around the upper end face of the lower cover 200. The positioning protrusion 230 is located at the center of the upper end face of the lower cover 200. The positioning groove 410 of the sealing ring 400 opens downward and can be fitted with the positioning protrusion 230. The positioning protrusion 230 is embedded in the positioning groove 410 and squeezes the sealing ring 400 into the inner bottom of the slot 110 to form a seal. At this time, the snap-fit ​​part 210 is just snapped into the snap hole 131.

[0050] During the above process, when the snap-fit ​​part 210 is snapped into the snap-fit ​​hole 131, the remaining space between the upper end face of the lower cover 200 and the bottom of the slot 110 is less than the vertical distance between the sealing ring 400, thereby enabling the sealing ring 400 to be squeezed and completely sealed to the bottom of the slot 110 through deformation, thus forming a good seal for the connection between the upper cover 100 and the lower cover 200.

[0051] Preferred, such as Figure 5 , 7As shown in Figure 8, the sealing ring 400 is a U-shaped sealing ring 400 and the opening direction of the positioning groove 410 and the slot 110 is the same.

[0052] Furthermore, the positioning protrusions 230 are continuously distributed around the top surface of the lower cover 200, and their cross-section is an upright trapezoidal shape with inclined surfaces on both sides.

[0053] In this embodiment, the cross-section of the positioning protrusion 230 is an isosceles trapezoid and its smaller base is located on the upper side close to the upper cover 100. An inclined and symmetrical first guide wall 231 is formed on the inner and outer sides of the positioning protrusion 230. The cross-section of the positioning groove 410 of the sealing ring 400 is correspondingly formed into an isosceles trapezoid that is adapted to the shape of the positioning protrusion 230, that is, an inclined and symmetrical second guide wall 411 is formed on both sides, thereby making the connection and engagement between the sealing ring 400 and the positioning protrusion 230 more convenient and quick.

[0054] Preferred, such as Figure 6 As shown, the slot 110 is formed by a first wall 120 located on the inner side and vertically distributed, a second wall 130 located on the outer side and parallel to the first wall 120, and a connecting wall 140 connecting the upper ends of the first wall 120 and the second wall 130. The second wall 130 extends integrally with the lower side of the opening of the upper cover 100, and the card hole 131 is opened on the inner side of the second wall 130.

[0055] Furthermore, the second wall surface 130 extends longer than the first wall surface 120 to cover the snap-fit ​​portion 210 when the upper cover 100 and the lower cover 200 are assembled.

[0056] In this embodiment, the connecting wall 140 extends vertically along the outer wall of the lower opening of the upper cover 100 and bends downward to form a second wall 130 that is parallel to and opposite to the first wall 120. The first wall 120, the second wall 130 and the connecting wall 140 enclose and form a downward-opening slot 110. When the upper cover 100 is pressed down, the slot 110 is aligned with the upper opening of the lower cover 200, so that the reinforcing wall 220 and the positioning protrusion 230 of the upper opening of the lower cover 200 are embedded in the slot 110. During the snap-fit ​​process, the snap-fit ​​part 210 is smoothly guided and deformed into the snap-fit ​​hole 131, thus completing the snap-fit ​​connection process between the upper cover 100 and the lower cover 200.

[0057] In the above process, the sealing ring 400 is fastened to the positioning protrusion 230, so that the positioning groove 410 and the positioning protrusion 230 are fully fitted together. In conjunction with the fastening process of the upper cover 100 and the lower cover 200, the sealing ring 400 is finally pressed into the inner bottom of the slot 110, thus completing the sealing of the connection between the upper cover 100 and the lower cover 200.

[0058] The second wall surface 130 extends downward a greater distance than the first wall surface 120. This design is to enable the snap hole 131 to engage with the snap-fit ​​part 210, and to utilize the second wall surface 130 to cover the reinforcing wall 220, thus forming a good connection and seal between the upper cover 100 and the lower cover 200. Example 2

[0059] Please see Figure 9 This is a water tank connection structure as Embodiment 2 of the present utility model. The difference from Embodiment 1 is that the guide section 211 has a planar transition and is connected to the edge of the limiting section 212. Example 3

[0060] A rowing device, including the water tank connection structure of Embodiment 1.

[0061] The beneficial effects of this utility model are as follows:

[0062] This utility model achieves a more convenient and quick connection between the upper cover 100 and the lower cover 200 through the snap-fit ​​between the snap-fit ​​part 210 and the snap-fit ​​hole 131, significantly reducing labor and time costs. At the same time, through the cooperation between the positioning protrusion 230 and the sealing ring 400, a stable and good sealing performance is maintained between the upper cover 100 and the lower cover 200, which can effectively prevent water tank leakage and avoid corrosion damage to other parts of the rowing machine caused by leakage, thus greatly extending the overall service life of the equipment.

[0063] The present invention has been described above with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A water tank connection structure, comprising an assemblable upper cover (100) and a lower cover (200), characterized in that, in: The lower cover (200) has a plurality of snap-fit ​​parts (210) on the periphery of its upper opening. The lower opening of the upper cover (100) has a ring of snap-fit ​​grooves (110) that fit into the upper opening of the lower cover (200). The inner side wall of the snap-fit ​​groove (110) has a plurality of snap-fit ​​holes (131) that are opposite to and snap-fit ​​with the snap-fit ​​parts (210). It also includes a sealing ring (400), on one side of which is a positioning groove (410) distributed around its periphery. The lower cover (200) has a positioning protrusion (230) on its upper side that fits into the positioning groove (410). The positioning protrusion (230) fits into the positioning groove (410) of the sealing ring (400) and is integrally embedded in the inner bottom of the slot (110) to form a seal.

2. The water tank connection structure according to claim 1, characterized in that, The sealing ring (400) is a U-shaped sealing ring (400) and the opening direction of the positioning groove (410) is the same as that of the slot (110).

3. The water tank connection structure according to claim 1, characterized in that, The snap-fit ​​part (210) protrudes from the outer wall surface of the upper opening of the lower cover (200).

4. The water tank connection structure according to claim 3, characterized in that, The outer side wall of the upper opening of the lower cover (200) protrudes to form a reinforcing wall (220), and the snap-fit ​​part (210) protrudes from the surface of the reinforcing wall (220).

5. The water tank connection structure according to claim 1, characterized in that, The snap-fit ​​part (210) is arc-shaped and concentrically arranged with the lower cover (200), and the snap hole (131) is arc-shaped to match the snap-fit ​​part (210).

6. The water tank connection structure according to claim 1, characterized in that, The snap-fit ​​portion (210) includes a guide section (211) located near the opening side of the lower cover (200) and a limiting section (212) located below the guide section (211). The guide section (211) has a planar transition and is connected to the edge of the limiting section (212), or the guide section (211) has an arc transition and is connected to the edge of the limiting section (212).

7. A water tank connection structure according to claim 1, characterized in that, The positioning protrusions (230) are continuously distributed around the top surface of the lower cover (200), and their cross-section is an upright trapezoid with inclined surfaces on both sides.

8. The water tank connection structure according to claim 1, characterized in that, The slot (110) is formed by a first wall (120) located on the inner side and vertically distributed, a second wall (130) located on the outer side and parallel to the first wall (120), and a connecting wall (140) connecting the upper ends of the first wall (120) and the second wall (130). The second wall (130) extends integrally with the lower side of the opening of the upper cover (100). The card hole (131) is opened on the inner side of the second wall (130).

9. A water tank connection structure according to claim 8, characterized in that, The second wall surface (130) extends longer than the first wall surface (120) to cover the snap-fit ​​portion (210) when the upper cover (100) and the lower cover (200) are joined together.

10. A rowing device, characterized in that, Includes the water tank connection structure as described in any one of claims 1-9.

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