Sit-up device with three suction cups

By adopting a split structure design for the triangular base, suction cup unit, and connecting column, the problem of needing to replace the entire unit when the existing sit-up parts are damaged is solved, realizing convenient replacement of parts and low-cost maintenance.

CN224056568UActive Publication Date: 2026-03-31NANTONG RUIQIAO SPORTING GOODS TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The existing sit-up machine uses a fixed connection between the connecting column and the base, which means that the whole machine needs to be replaced when the parts are damaged, resulting in waste of resources and high replacement costs.

Method used

It adopts a split structure design of triangular base, suction cup unit and connecting column. The connecting column and triangular base are detachably fixed by suction cup and bolt connection. The connecting column and triangular base are connected by bolt. The spacing of the crossbar assembly is adjusted by bolt and flexible sleeve.

Benefits of technology

It enables convenient replacement of parts and low-cost maintenance, reduces replacement costs, and improves the service life and transportation convenience of equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a sit-up device with three suction cups. The sit-up device is characterized by comprising a triangular base, suction cup units, a connecting column and a transverse rod set. The connecting column and the triangular base are designed to be of a split structure, when any part is damaged, the part can be replaced, the whole part does not need to be scrapped, replacement is convenient, and the cost is low; in addition, the triangular base and the connecting column are fixed in a bolt connection mode, installation is convenient and fast, the occupied space is small after the triangular base and the connecting column are disassembled and stored, and transportation is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to body -building equipment technical field especially, a three suction disc sit -up device. BACKGROUND

[0002] Now body -building sports are more and more popular with the public, and various body -building equipment emerge in endlessly, with more and more diversified sports, and indoor sports are more and more popular with people. People usually exercise abdominal muscle through sit -ups, and various auxiliary equipment is used to help people better exercise.

[0003] In addition, the existing sit -up device connecting column structure and base adopt fixed connecting mode, and the connecting column and the base need to be replaced together after the local position is damaged, and even the whole is scrapped, causing the problems of resource waste and high replacement cost. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem to provide a three suction disc sit -up device, and the connecting column between the traditional sit -up device and the base is connected in the mode of welding, and the problem of high replacement cost when the parts are damaged is solved.

[0005] To solve the above technical problem, the technical scheme of the utility model is as follows: a three suction disc sit -up device, the innovation point lies in that: including triangle base, suction disc unit, connecting column and cross rod group;

[0006] The triangle base is provided with an installation hole near three end angle positions, and the suction disc unit is installed at the installation hole of the triangle base, the suction disc unit comprises a suction disc and a movable buckle, the suction disc is movably arranged in the triangle base, and the top of the suction disc penetrates the installation hole of the triangle base, the movable buckle is movably arranged above the triangle base and is detachably connected with the suction disc, a groove is formed in the center of the triangle base, and a bolt hole penetrating the triangle base is arranged at the bottom end of the groove;

[0007] The connecting column is embedded in the groove, and the connecting column is a hollow structure, the bottom end of the connecting column is provided with a threaded hole matched with the threaded hole at the bottom of the groove, and the connecting column is fixed in the groove of the triangle base through a bolt, and the top end of the connecting column is provided with a plurality of connecting holes arranged at equal intervals along the vertical direction.

[0008] The horizontal rod group comprises an upper horizontal rod unit and a lower horizontal rod unit; the upper horizontal rod unit is horizontally provided with two sides of a lifting pipe, and the lifting pipe is embedded from the top end of the connecting column; the lifting pipe is provided with a positioning hole matched with a connecting hole on the connecting column, and the lifting pipe is locked on the connecting column through a bolt; the lower horizontal rod unit is horizontally provided on both sides of the connecting column, and the lower horizontal rod unit is parallel to the upper horizontal rod unit; a gap for embedding the leg is formed between the lower horizontal rod unit and the upper horizontal rod unit, and the distance between the upper horizontal rod unit and the lower horizontal rod unit is adjusted through the lifting position of the upper horizontal rod unit.

[0009] Further, the upper horizontal rod unit and the lower horizontal rod unit are both nested with flexible sleeves.

[0010] Further, the connecting block is embedded in the bottom end of the connecting column, and the connecting block is provided with a threaded hole; the threaded hole of the connecting block and the bolt hole in the bottom of the groove of the triangular base are connected through a bolt, so that the connecting column is mounted and connected.

[0011] The utility model has the advantages that:

[0012] 1) the utility model discloses that the split type structure design is adopted between the connecting column and the triangular base, when any component is damaged, the component can be replaced, the whole is not needed to be scrapped, and the replacement is convenient and low in cost. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0014] Figure 1 It is a structure schematic view of a three-suction disc sit-up device.

[0015] Figure 2 It is a structure sectional view of a three-suction disc sit-up device. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.

[0017] Therefore, the following detailed description of embodiments of the application provided in the drawings is not intended to limit the scope of the application claimed, but merely represents selected embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the application.

[0018] As shown in Figure 1 Figure 2 A three-suction disc sit-up device, comprising a triangular base 1, a suction disc unit 2, a connecting column 3 and a crossbar group 4.

[0019] The triangular base 1 is provided with a mounting hole near each of the three end angles, and the suction disc unit 2 is mounted at the mounting hole of the triangular base 1; the suction disc unit 2 comprises a suction disc 21 and a movable buckle 22; the suction disc 21 is movably arranged in the triangular base 1, and the top of the suction disc 21 penetrates the mounting hole of the triangular base 1; the movable buckle 22 is movably arranged above the triangular base 1 and detachably connected with the suction disc 21; a groove is formed in the center of the triangular base 1, and a bolt hole penetrating the triangular base 1 is formed at the bottom end of the groove.

[0020] The connecting column 3 is embedded in the groove, and the connecting column 3 has a hollow structure; a threaded hole is formed at the bottom end of the connecting column 3 and matched with the bolt hole at the bottom of the groove; the connecting column 3 is fixed in the groove of the triangular base 1 by a bolt; the top end of the connecting column 3 is open, and a plurality of connecting holes are arranged at equal intervals along the vertical direction on the connecting column 3.

[0021] The crossbar group 4 comprises an upper crossbar unit 41 and a lower crossbar unit 42; the upper crossbar unit 41 is horizontally provided with two sides of a lifting pipe, and the lifting pipe is embedded from the top end of the connecting column 3; a positioning hole matched with the connecting hole on the connecting column 3 is arranged on the lifting pipe, and the lifting pipe is locked on the connecting column 3 by a bolt; the lower crossbar unit 42 is horizontally arranged on both sides of the connecting column 3, and the lower crossbar unit 42 is parallel to the upper crossbar unit 41; a gap for accommodating the leg is formed between the lower crossbar unit 42 and the upper crossbar unit 41, and the distance between the upper crossbar unit 41 and the lower crossbar unit 42 is adjusted by the lifting position of the upper crossbar unit 41.

[0022] A flexible sleeve is arranged on the upper crossbar unit 41 and the lower crossbar unit 42.

[0023] A connecting block 31 is embedded in the bottom end of the connecting column 3, and a threaded hole is formed on the connecting block 31; the threaded hole on the connecting block 31 and the bolt hole at the bottom of the groove of the triangular base 1 are connected by a bolt to realize the mounting and connection of the connecting column 3.

[0024] The working principle of the utility model discloses is: adopt split type structure design between connecting column and triangular pedestal, can replace spare part when any spare part is damaged, need not overall scrap, convenient replacement low cost, in addition, adopt the mode of bolt connection to fix between triangular pedestal and connecting column, also convenient and quick to install, the space occupied is also small after dismounting, also convenient transportation.

[0025] The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A three-suction-cup sit-up machine, characterized by: The application relates to a triangular base, a suction cup unit, a connecting column and a crossbar group. The triangular base is provided with an installation hole near three end corners, and the suction cup unit is installed at the installation hole of the triangular base; the suction cup unit comprises a suction cup and a movable buckle; the suction cup is movably arranged in the triangular base and penetrates the installation hole of the triangular base; the movable buckle is movably arranged above the triangular base and is detachably connected with the suction cup; a groove is formed in the center of the triangular base, and a bolt hole penetrating the triangular base is arranged at the bottom end of the groove; The connecting column is embedded in the groove, and the connecting column has a hollow structure; a threaded hole matched with the bolt hole at the bottom of the groove is arranged at the bottom end of the connecting column; the connecting column is fixed in the groove of the triangular base through a bolt; an opening is formed at the top end of the connecting column, and a plurality of connecting holes are equidistantly arranged on the connecting column along the vertical direction; The crossbar group comprises an upper crossbar unit and a lower crossbar unit; the upper crossbar unit is horizontally provided with two sides of a lifting pipe, and the lifting pipe is embedded from the top end of the connecting column; the lifting pipe is provided with a positioning hole matched with the connecting hole on the connecting column, and the lifting pipe is locked on the connecting column through a bolt; the lower crossbar unit is horizontally arranged at two sides of the connecting column, and the lower crossbar unit is parallel to the upper crossbar unit; a gap for accommodating the embedded leg is formed between the lower crossbar unit and the upper crossbar unit, and the distance between the upper crossbar unit and the lower crossbar unit is adjusted by adjusting the lifting position of the upper crossbar unit.

2. The three suction cup sit-up machine according to claim 1, characterized in that: The upper crossbar unit and the lower crossbar unit are both provided with a flexible sleeve.

3. The three suction cup sit-up machine according to claim 1, characterized in that: The bottom end of the connecting column is internally embedded with a connecting block, and the connecting block is provided with a threaded hole; the threaded hole of the connecting block and the bolt hole at the bottom of the groove of the triangular base are connected through a bolt, so that the connecting column is mounted and connected.