Sit-up assist device
Patent Information
- Application Number
- CN202420981301.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-08
AI Technical Summary
During use of existing sit-up assistive devices, the bottom suction cup may lose its adsorption force from the ground, resulting in unstable device, especially for users with larger weight, which affects the stability and applicability of device.
A sit-up assist device is designed, using two sit-up suction cups, and a pressing mechanism is set on both sides of the top of the suction cup, including a support rod, a rotating frame, an adjustment rod, a rubber block and a pressure block. Through the cooperation of these components, the adsorption force of the suction cup can be adjusted through foot pressure during use, thereby improving the stability of the device.
By adding a pressing mechanism, the stability and applicability of the sit-up auxiliary can be effectively improved, ensuring that the device can be firmly fixed in position during use, suitable for users with larger weights, and extending the service life of the device.
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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sports equipment, in particular to a sit-up assistant. Background Art
[0002] When doing sit-ups, in order to facilitate the user to perform the sit-ups alone, an auxiliary device needs to be used, so a sit-up auxiliary device is needed.
[0003] For example, a sit-up assisting device with patent publication number CN213220751U is provided with a plurality of positioning grooves on the base, and a positioning member which can be embedded in the positioning groove and a spring which drives the positioning member to be embedded in the positioning groove are movably provided on the support body.
[0004] However, during actual use, the above-mentioned sit-up assisting device cannot be well fixed in position. When a user with a heavier weight uses it, the vacuum suction cup at the bottom of the device may lose its adsorption force with the ground, thereby reducing the stability of the device and also reducing the applicability of the device. For this reason, the applicant proposes a sit-up assisting device. Utility Model Content
[0005] The purpose of the utility model is to provide a sit-up assisting device to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sit-up assistant, comprising two sit-up suction cups, two sit-up suction cups with a pressing mechanism fixed on both sides of the top, the pressing mechanism comprising a support rod, two ends of the support rod are respectively fixed with fixed blocks, one side of the fixed block is rotatably connected to a rotating frame, a fixed tube is fixed to the bottom of the rotating frame, an adjusting rod is slidably connected to the inner wall of the fixed tube, one end of the two fixed tubes are respectively threadedly clamped with a first regulating handle on the back side, the threaded end of the first regulating handle penetrates through one side of the outer wall of the fixed tube and contacts with one side of the adjusting rod, one end of the adjusting rod is fixed with a rubber block, the bottom ends of the two rubber blocks are respectively in contact with pressure blocks, and a connecting plate is fixed to the bottom of the pressure block.
[0007] Preferably, a lifting mechanism is fixed to the center position of the top of the two sit-up suction cups, and the top of the lifting mechanism is fixed to the center position of the bottom of the pressing mechanism.
[0008] Preferably, the bottom of the connecting plate is fixed to one side of the top of the two sit-up suction cups, sponge covers are fixed to the outer walls at both ends of the support rod, a sponge plate is fixed to the bottom of one of the brackets of the two rotating frames, and torsion springs are fixed between the rotating connections between the two rotating frames and the two fixed blocks.
[0009] Preferably, the length of the support rod is greater than or equal to the length of the sit-up suction cup, the length of one of the brackets of the rotating frame is less than half the length of the support rod, and the length of the adjustment rod is greater than the depth of the fixed tube wall.
[0010] Preferably, the lifting mechanism includes a fixed rod, a stabilizing rod is integrally formed at the bottom of one end of the fixed rod, a stabilizing tube is fixed to the top of one end of the fixed rod, the inner wall of the stabilizing tube is slidably connected to the lifting rod, and second regulating handles are threadedly clamped on both sides of the outer wall of the top end of the stabilizing tube, and the threaded ends of the two second regulating handles respectively penetrate the two sides of the outer wall of the top end of the stabilizing tube and contact the two sides of the lifting rod.
[0011] Preferably, the other end of the fixing rod is fixed to the top center position of one of the sit-up suction cups, one end of the stabilizing rod is fixed to the top center position of the other sit-up suction cup, the length of the fixing rod is greater than the length of the stabilizing rod, and the top end of the lifting rod is fixed to the bottom center position of the pressing mechanism.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The sit-up assisting device has a pressing mechanism with a rotating frame and an adjusting rod added therein. When the user is in use, the user's feet will press against the bottom of the rotating frame. At this time, after the rotating frame is subjected to pressure, the adjusting rod is controlled to rotate and apply pressure to both sides of the tops of the two sit-up suction cups, thereby improving the stability of the device and the applicability of the device.
[0014] At the same time, rubber blocks and pressure blocks are installed in the pressing mechanism. The rubber blocks can reduce the wear of the device during use. The pressure blocks can transfer the pressure applied by the user to the center position between the two sit-up suction cups during use of the device, further improving the stability of the device and increasing the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the top structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the bottom structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the pressing mechanism of the utility model;
[0018] Figure 4 It is a schematic diagram of the lifting mechanism structure of the utility model.
[0019] In the figure: 1. Sit-up suction cup; 2. Pressing mechanism; 201. Support rod; 202. Fixed block; 203. Rotating frame; 204. Fixed tube; 205. Adjusting rod; 206. First regulating handle; 207. Rubber block; 208. Pressure block; 209. Connecting plate; 210. Sponge sleeve; 211. Sponge plate; 212. Torsion spring; 3. Lifting mechanism; 301. Fixed rod; 302. Stabilizing rod; 303. Stabilizing tube; 304. Lifting rod; 305. Second regulating handle. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] As people's living standards continue to improve, in order to improve their physical fitness, more and more people begin to choose sports and fitness. When doing sit-ups, they need to use auxiliary devices to help users complete the sit-up training. Therefore, a sit-up auxiliary device is needed. In the actual use of most traditional sit-up auxiliary devices, only one or more suction cups are set at the bottom of the device to ensure the stability of the device. However, for some users with heavier weight, the suction cups at the bottom of the device may lose their adsorption force with the ground during use, which reduces the stability of the device and also reduces the adaptability of the device. For this reason, the applicant proposes a sit-up auxiliary device.
[0022] like Figure 1-Figure 4As shown, the utility model provides a technical solution: a sit-up assisting device, comprising two sit-up suction cups 1, two sit-up suction cups 1 having a pressing mechanism 2 fixed to both sides of the top, the pressing mechanism 2 comprising a support rod 201, two ends of the support rod 201 are respectively fixed with a fixing block 202, one side of the fixing block 202 is rotatably connected to a rotating frame 203, a fixing tube 204 is fixed to the bottom of the rotating frame 203, an adjusting rod 205 is slidably connected to the inner wall of the fixing tube 204, one end of the two fixing tubes 204 is respectively threadedly clamped with a first regulating handle 206 on the back side, the threaded end of the first regulating handle 206 penetrates through one side of the outer wall of the fixing tube 204 and contacts with one side of the adjusting rod 205, one end of the adjusting rod 205 is fixed with a rubber block 207, and the bottom ends of the two rubber blocks 207 are respectively in contact with pressure blocks 208 A connecting plate 209 is fixed to the bottom of the pressure block 208, a lifting mechanism 3 is fixed to the center position of the top of the two sit-up suction cups 1, the top of the lifting mechanism 3 is fixed to the center position of the bottom of the pressing mechanism 2, the bottom of the connecting plate 209 is fixed to one side of the top of the two sit-up suction cups 1, sponge sleeves 210 are fixed to the outer walls of both ends of the support rod 201, a sponge plate 211 is fixed to the bottom of one of the brackets of the two rotating frames 203, a torsion spring 212 is fixed between the rotating connection between the two rotating frames 203 and the two fixed blocks 202, the length of the support rod 201 is greater than or equal to the length of the sit-up suction cup 1, the length of one of the brackets of the rotating frame 203 is less than half the length of the support rod 201, and the length of the adjusting rod 205 is greater than the depth of the wall of the fixed tube 204.
[0023] It should be noted that: when the device is used, the device is first fixed in the corresponding position by the two sit-up suction cups 1, and then the height of the pressing mechanism 2 is adjusted by the lifting mechanism 3 to adapt to the height to be used by the user. Then, according to the height adjusted by the lifting mechanism 3, the length of the two adjustment rods 205 is adjusted, and the two first regulating handles 206 are used to lock and limit. When the user uses the device, the user's feet will contact the rotating frame 203, and as the user's feet are lifted and pressure is applied to one of the brackets of the rotating frame 203, When the pressure of the two rotating frames 203 disappears, they will be reset according to the torsion spring 212, and the sponge cover 210 and the sponge plate 211 can reduce the friction between the user's body and the device during use.
[0024] like Figure 4As shown, the utility model provides a technical solution: a sit-up assistant, including a lifting mechanism 3, the lifting mechanism 3 includes a fixed rod 301, a stabilizing rod 302 is integrally formed at the bottom of one end of the fixed rod 301, a stabilizing tube 303 is fixed to the top of one end of the fixed rod 301, a lifting rod 304 is slidably connected to the inner wall of the stabilizing tube 303, and second regulating handles 305 are respectively threadedly clamped on both sides of the outer wall of the top end of the stabilizing tube 303, and the threaded ends of the two second regulating handles 305 respectively penetrate the two sides of the outer wall of the top end of the stabilizing tube 303 and contact the two sides of the lifting rod 304, the other end of the fixed rod 301 is fixed to the top center position of one of the sit-up suction cups 1, and one end of the stabilizing rod 302 is fixed to the top center position of the other sit-up suction cup 1, the length of the fixed rod 301 is greater than the length of the stabilizing rod 302, and the top of the lifting rod 304 is fixed to the bottom center position of the pressing mechanism 2.
[0025] It should be noted that: when using the device, first loosen the two second regulating knobs 305, pull the lifting rod 304, adjust the height of the pressing mechanism 2, and then tighten the two second regulating knobs 305 to lock and limit the height of the pressing mechanism 2. When the device is in use, its user will apply force to the device. At this time, the fixing rod 301 will transfer part of the force to the stabilizing rod 302, which can further improve the stability of the device.
[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited by the attached embodiments and their equivalents.
Claims
1. A sit-up assisting device, comprising two sit-up suction cups (1), characterized in that: A pressing mechanism (2) is commonly fixed on both sides of the top of the two sit-up suction cups (1), and the pressing mechanism (2) comprises a support rod (201), and fixed blocks (202) are respectively fixed at both ends of the support rod (201), and one side of the fixed block (202) is rotatably connected to a rotating frame (203), and a fixed tube (204) is fixed at the bottom of the rotating frame (203), and an adjusting rod (205) is slidably connected to the inner wall of the fixed tube (204), and first adjusting handles (206) are respectively threadedly clamped on the backs of one end of the two fixed tubes (204), and the threaded end of the first adjusting handle (206) penetrates through one side of the outer wall of the fixed tube (204) and contacts one side of the adjusting rod (205), and a rubber block (207) is fixed at one end of the adjusting rod (205), and the bottom ends of the two rubber blocks (207) are respectively in contact with pressure blocks (208), and a connecting plate (209) is fixed to the bottom of the pressure block (208).
2. A sit-up aid according to claim 1, characterized in that: A lifting mechanism (3) is fixed to the top center of the two sit-up suction cups (1), and the top of the lifting mechanism (3) is fixed to the bottom center of the pressing mechanism (2).
3. A sit-up aid according to claim 2, characterized in that: The bottom of the connecting plate (209) is fixed to one side of the top of the two sit-up suction cups (1), the outer walls at both ends of the support rod (201) are respectively fixed with sponge sleeves (210), the bottom of one of the brackets of the two rotating frames (203) is respectively fixed with a sponge plate (211), and the rotation connection between the two rotating frames (203) and the two fixed blocks (202) is respectively fixed with a torsion spring (212).
4. A sit-up aid according to claim 3, characterized in that: The length of the support rod (201) is greater than or equal to the length of the sit-up suction cup (1), the length of one of the brackets of the rotating frame (203) is less than half the length of the support rod (201), and the length of the adjustment rod (205) is greater than the depth of the wall of the fixed tube (204).
5. A sit-up aid according to claim 3, characterized in that: The lifting mechanism (3) comprises a fixing rod (301), a stabilizing rod (302) is integrally formed at the bottom of one end of the fixing rod (301), a stabilizing tube (303) is fixed at the top of one end of the fixing rod (301), a lifting rod (304) is slidably connected to the inner wall of the stabilizing tube (303), and second regulating handles (305) are respectively threadedly clamped on both sides of the outer wall of the top end of the stabilizing tube (303), and the threaded ends of the two second regulating handles (305) respectively penetrate the two sides of the outer wall of the top end of the stabilizing tube (303) and contact the two sides of the lifting rod (304).
6. A sit-up aid according to claim 5, characterized in that: The other end of the fixing rod (301) is fixed to the top center position of one of the sit-up suction cups (1), and one end of the stabilizing rod (302) is fixed to the top center position of the other sit-up suction cup (1). The length of the fixing rod (301) is greater than the length of the stabilizing rod (302), and the top end of the lifting rod (304) is fixed to the bottom center position of the pressing mechanism (2).
Citation Information
Patent Citations
Sit-up assisting device
CN213220751U