Student exercise chest expander

Abstract

The utility model relates to the technical field of fitness equipment, in particular to a student exercise chest expander which comprises a tension spring belt, first limiting belts are symmetrically arranged at the two ends of the tension spring belt, the first limiting belts are connected with first clamping knots, the first clamping knots are connected with second limiting belts, and the second limiting belts are connected with second clamping knots. A fixed handle is arranged outside the second clamping knot, a plurality of open grooves are symmetrically formed in the fixed handle, locking assemblies are arranged on one side faces of the open grooves, fixed rods are symmetrically arranged at one end of the fixed handle, positioning grooves are formed in the fixed rods, threaded grooves are formed in the fixed rods, the threaded grooves are connected with threaded rods, and the threaded rods are connected with the fixed handle. By means of the structure of the limiting belt, the clamping knot, the locking assembly, the rotating rod, the fixing rod, the positioning groove and the threaded rod, the problem that most of traditional spring exercisers are of an integrated structure, and the spring exercisers are not flexible enough in use is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness equipment, in particular to a student exercise puller. Background Art

[0002] Students often exercise their bodies through sports in daily life to maintain a good learning state. Some students exercise their bodies by playing basketball or running, while some students often use pullers to exercise their bodies. However, the existing pullers are generally integrated structures, and the pullers are not flexible enough when used. It is difficult to control the muscle groups in different positions, the weights, and the number of tension springs.

[0003] Traditional tensioners are mostly one-piece structures, which makes them not flexible enough when used.

[0004] Therefore, it is particularly important to design a student exercise puller to change the above-mentioned technical defects and improve overall practicality. Utility Model Content

[0005] The purpose of the present invention is to provide a student exercise puller to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A student exercise puller includes a tension spring belt, wherein first limiting belts are symmetrically provided at both ends of the tension spring belt, the first limiting belt is connected to a first knot, the first knot is connected to a second limiting belt, the second limiting belt is connected to a second knot, a fixed handle is provided on the outside of the second knot, a plurality of slots are symmetrically provided on the inside of the fixed handle, a locking assembly is provided on one side of the slot, a fixed rod is symmetrically provided at one end of the fixed handle, a positioning groove is provided on the fixed rod, a threaded groove is provided on the inside of the fixed rod, and the threaded groove is connected to the threaded rod.

[0008] As a preferred solution of the present invention, the locking assembly includes a lower end ring, an upper end ring, a bolt, and a rotating rod. The rotating rod is fixedly arranged at one end of the lower end ring, and the upper end ring and the lower end ring can rotate along the rotating rod. Bolt holes are provided at one end of the upper end ring and the lower end ring, and the upper end ring and the lower end ring are fixed in position by bolts.

[0009] As a preferred solution of the present invention, an anti-slip pad is provided on the fixed handle, and the groove is used to avoid the first limiting belt and the second limiting belt.

[0010] As a preferred solution of the present invention, the tension spring strips and slots are provided in four groups, a counterweight is provided on the outside of the fixed rod, a pedal sleeve is provided on the outside of the fixed rod, and a plurality of counterweights are provided, each counterweight having a different weight. The counterweights and pedal sleeves are provided with through-holes, and the through-holes are provided with positioning blocks adapted to fit into the positioning slots. This solution uses the pedal sleeves, and when in use, the user steps on the pedal sleeves with both feet and pulls the tensioner upward with one or both hands. In this state, a cylindrical counterweight can also be added to the hand-pull handle. The weight of the counterweight can be configured, but the length of the counterweight remains unchanged, while the diameter can be longer or shorter.

[0011] As a preferred solution of the present invention, a limiting plate is provided at the top end of the threaded rod, and the transverse cross-sectional area of ​​the limiting plate is larger than the transverse cross-sectional area of ​​the perforation.

[0012] As a preferred solution of the present invention, the first limiting belt and the second limiting belt are made of nylon.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] In the utility model, a student exercise puller is provided, which utilizes the structure of a limiting belt, a clamping knot, a locking assembly, a rotating rod, a fixing rod, a positioning groove, and a threaded rod. The provided locking assembly is used to install and remove the tension spring belt, and several tension spring belts can be selected for installation according to actual conditions. At the same time, the cooperation of the threaded rod and the threaded groove is utilized to install and remove the pedal sleeve and the counterweight block. The different weights of the counterweight block can enhance the training of the arm muscles, and the pedal sleeve can enhance the training of the muscle groups in the waist muscles, back muscles, legs and other positions, thereby solving the problem that the traditional puller has an integrated structure and is not flexible enough when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the entire utility model.

[0016] Figure 2 Schematic diagram of the tension spring strip assembly of the present invention.

[0017] Figure 3 This is a schematic diagram of the components of the fixed handle and counterweight of the utility model.

[0018] Figure 4 This is a schematic diagram of the components of the fixed handle and foot cover of the utility model.

[0019] In the figure: 1. Tension spring belt; 101. First limiting belt; 102. First clamping knot; 103. Second limiting belt; 104. Second clamping knot; 2. Fixed handle; 201. Slot; 202. Locking assembly; 203. Lower end ring; 204. Upper end ring; 205. Bolt; 206. Rotating rod; 3. Fixed rod; 301. Positioning groove; 302. Threaded groove; 303. Threaded rod; 4. Counterweight; 5. Pedal cover. DETAILED DESCRIPTION

[0020] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. Several embodiments of the present invention are provided. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0022] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0024] For examples, see Figures 1-4 , the utility model provides a technical solution:

[0025] A student exercise tensioner comprises a tension spring belt 1, wherein both ends of the tension spring belt 1 are symmetrically provided with a first limiting belt 101, the first limiting belt 101 is connected to a first clamping knot 102, the first clamping knot 102 is connected to a second limiting belt 103, the second limiting belt 103 is connected to a second clamping knot 104, a fixed handle 2 is provided on the outside of the second clamping knot 104, a plurality of slots 201 are symmetrically provided on the inside of the fixed handle 2, a locking assembly 202 is provided on one side of the slot 201, a fixed rod 3 is symmetrically provided on one end of the fixed handle 2, a positioning groove 301 is provided on the fixed rod 3, a threaded groove 302 is provided on the inside of the fixed rod 3, and the threaded groove 302 is connected to the threaded rod 303. The user first passes the two limiting belts through the slot 201, then adjusts the locking assembly 202, and puts the upper end ring The 204 and the lower end ring 203 rotate and are fixed along the rotating rod 206, thereby locking the positions of the two knots on the fixed handle 2. The number of tension spring belts 1 is installed according to the needs to ensure that the tension spring belt 1 is firmly installed. The anti-slip pad is designed on the fixed handle 2 to increase the stability of the grip. When in use, the user holds the fixed handle 2 and selects a suitable counterweight 4 according to the exercise needs to install it on the fixed rod 3. The cooperation between the positioning block and the positioning groove 301 and the limiting plate on the counterweight 4 ensures that the counterweight 4 is stable and does not fall off. Similarly, the footrest 5 can be installed according to the exercise needs for the user to step on the foot to exercise more muscle groups. The elastic tension of the tension spring belt 1 and the weight of the counterweight 4 work together to provide the user with exercise effects of different intensities.

[0026] The locking assembly 202 includes a lower end ring 203, an upper end ring 204, a bolt 205, and a rotating rod 206. The rotating rod 206 is fixedly arranged at one end of the lower end ring 203, and the upper end ring 204 and the lower end ring 203 can rotate along the rotating rod 206. Bolt holes are provided at one end of the upper end ring 204 and the lower end ring 203, and the upper end ring 204 and the lower end ring 203 are fixed in position by bolts 205. The locking assembly 202 limits the positions of the two card joints, and the locking assembly 202 is fixedly connected to the fixed handle for installing the tension spring belt 1. The fixed handle 2 is provided with an anti-slip pad, and the slot 201 is used to avoid the first limiting belt 101 and the second limiting belt 103. The tension spring belt 1 and the slot 201 are provided with four The fixed rod 303 is provided with a counterweight 4 on the outside, and a pedal sleeve 5 on the outside of the fixed rod 3. Several counterweights 4 are provided, and each counterweight 4 has a different weight. The counterweights 4 and the pedal sleeve 5 are provided with perforations throughout the inside. The inside of the perforations is provided with positioning blocks for matching with the positioning grooves 301. By replacing counterweights 4 with different weights, different exercise needs of students can be met. At the same time, the pedal sleeve 5 can exercise more muscle groups, making the puller more practical. A limiting plate is provided on the top of the threaded rod 303, and the transverse sectional area of ​​the limiting plate is larger than the transverse sectional area of ​​the perforations. The positions of the counterweights 4 and the pedal sleeve 5 are limited by the limiting plate. The material of the first limiting belt 101 and the second limiting belt 103 is nylon, which is stronger.

[0027] The working process of the present utility model is as follows: when using this student exercise tensioner, the user first passes the two limiting belts through the slots 201, then adjusts the locking assembly 202, rotates the upper end ring 204 and the lower end ring 203 along the rotating rod 206 and fixes them, thereby locking the positions of the two knots on the fixed handle 2, and installing the number of tension spring belts 1 according to needs to ensure that the tension spring belt 1 is firmly installed. The anti-slip pad is designed on the fixed handle 2 to increase the stability of the grip. When in use, the user holds the fixed handle 2 and selects a suitable counterweight 4 according to the exercise needs to install it on the fixed rod 3, and ensures that the counterweight 4 is stable and does not fall off through the cooperation of the positioning block and the positioning slot 301, and the limiting plate limits the counterweight 4. According to the exercise needs, the foot pedal 5 can be installed for the user to step on to exercise more muscle groups. The elastic tension of the tension spring belt 1 and the weight of the counterweight 4 work together to provide the user with exercise effects of different intensities.

[0028] 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 these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A student exercise tensioner, comprising a tension spring belt (1), characterized in that: The tension spring belt (1) is symmetrically provided with a first limiting belt (101) at both ends, the first limiting belt (101) is connected to a first clamping knot (102), the first clamping knot (102) is connected to a second limiting belt (103), the second limiting belt (103) is connected to a second clamping knot (104), a fixed handle (2) is provided on the outside of the second clamping knot (104), a plurality of slots (201) are symmetrically provided on the inside of the fixed handle (2), a locking assembly (202) is provided on one side of the slot (201), a fixed rod (3) is symmetrically provided on one end of the fixed handle (2), a positioning groove (301) is provided on the fixed rod (3), a threaded groove (302) is provided on the inside of the fixed rod (3), and the threaded groove (302) is connected to the threaded rod (303).

2. A student exercise puller according to claim 1, characterized in that: The locking assembly (202) comprises a lower end ring (203), an upper end ring (204), a bolt (205), and a rotating rod (206); the rotating rod (206) is fixedly arranged at one end of the lower end ring (203), and the upper end ring (204) and the lower end ring (203) can rotate along the rotating rod (206); one end of the upper end ring (204) and the lower end ring (203) is provided with a bolt hole, and the upper end ring (204) and the lower end ring (203) are fixed in position by the bolt (205).

3. A student exercise puller according to claim 1, characterized in that: An anti-slip pad is provided on the fixed handle (2), and the slot (201) is used to avoid the first limiting belt (101) and the second limiting belt (103).

4. A student exercise puller according to claim 1, characterized in that: The tension spring strips (1) and the slots (201) are provided in four groups, a counterweight (4) is provided on the outside of the fixed rod (3), a pedal sleeve (5) is provided on the outside of the fixed rod (3), a plurality of counterweights (4) are provided, each counterweight (4) has a different counterweight, and a through-hole is provided inside the counterweight (4) and the pedal sleeve (5), and a positioning block for matching with the positioning slot (301) is provided inside the through-hole.

5. A student exercise puller according to claim 4, characterized in that: A limiting plate is provided at the top end of the threaded rod (303), and the transverse cross-sectional area of ​​the limiting plate is larger than the transverse cross-sectional area of ​​the perforation.

6. A student exercise puller according to claim 1, characterized in that: The first limiting belt (101) and the second limiting belt (103) are made of nylon.

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