Straight mandrel for body builder

Abstract

The utility model relates to the field of fitness equipment metal accessories, in particular to a straight mandrel and main shaft body mechanism for fitness equipment, an auxiliary shaft body mechanism is arranged on one side of the main shaft body mechanism, the main shaft body mechanism comprises a first shaft body, an inserting cavity is formed in the first shaft body, a reinforcing column is arranged in the inserting cavity, and a mounting groove is formed in the end, located on one side of the inserting cavity, of the first shaft body. A mounting groove is formed in the first shaft body, the auxiliary shaft body mechanism is mounted in the mounting groove, a first connecting block is fixedly connected to the end of the other side, away from the auxiliary shaft body mechanism, of the first shaft body, and a first connector is fixedly connected to the other side, away from the first shaft body, of the first connecting block. Therefore, under the condition that the material of the whole straight mandrel does not need to be replaced, only the internal reinforcing columns need to be made of tungsten steel, so that the strength of the first mandrel body is effectively enhanced, the first mandrel body is prevented from being bent when the load is high, and the strength of the straight mandrel is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of body -building equipment metal fittings, especially the direct heart axis for body -building equipment. BACKGROUND

[0002] Body-building equipment is a kind of sports equipment for people with fitness needs to achieve the effect of auxiliary exercise, body-building. Body-building equipment accessories refer to various components and assemblies used in body-building equipment. Some accessories used in body-building equipment are direct heart axes, which are simple in structure and commonly used in most mechanical transmissions.

[0003] Some direct heart axis accessories of body-building equipment are simple in structure and low in material hardness, so that after being installed on the body-building equipment, the direct heart axis is subjected to extrusion under a large weight, the direct heart axis bears a large load, which causes deformation or breakage of the direct heart axis, so that the body-building equipment cannot be used, and the deformed and bent direct heart axis is difficult to disassemble. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides a direct heart axis for body-building equipment.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The direct heart axis for body-building equipment comprises a main shaft body mechanism, a vice shaft body mechanism is arranged on one side of the main shaft body mechanism, the main shaft body mechanism comprises a first shaft body, a plug cavity is formed in the first shaft body, a reinforcing column is formed in the plug cavity, an installation groove is formed at the end of the first shaft body on one side of the plug cavity, the vice shaft body mechanism is installed in the installation groove, a first connecting block is fixedly connected to the other end of the first shaft body away from the vice shaft body mechanism, and a first connecting head is fixedly connected to the other side of the first connecting block away from the first shaft body.

[0007] In addition, preferably, the reinforcing column is made of tungsten steel.

[0008] In addition, preferably, the vice shaft body mechanism comprises a second shaft body, a second connecting block is fixedly connected to the other end of the second shaft body away from the first shaft body, and a second connecting head is fixedly connected to the other end of the second connecting block away from the second shaft body.

[0009] In addition, preferably, the second shaft body is fixedly connected to a protruding block at the other end away from the second connecting block, a welding groove is formed in the outer wall of the second shaft body at one end of the protruding block, and the protruding block is installed in the installation groove.

[0010] In addition, preferably, the second connecting block is identical in structure to the first connecting block, and a plurality of installation surfaces are uniformly formed in the outer wall of the second connecting block.

[0011] In addition, preferably, the second connecting head is consistent with the first connecting head in structure, and a thread is formed on the outer wall of the second connecting head.

[0012] The utility model discloses the beneficial effect is: the utility model through setting up a plug cavity in the first shaft body, make the plug cavity can install the reinforcing column, like this under the condition of not replacing the whole straight heart shaft material, only need to select the inside reinforcing column with tungsten steel material, thereby effectively reinforcing the strength of the first shaft body, prevent the first shaft body from bending when heavy, improve the strength of straight heart shaft. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 For main shaft body mechanism and auxiliary shaft body mechanism assembled structure diagram Figure 1 ;

[0014] Figure 2 For main shaft body mechanism and auxiliary shaft body mechanism assembled structure diagram Figure 2 ;

[0015] Figure 3 For main shaft body mechanism and auxiliary shaft body mechanism split structure diagram;

[0016] Figure 4 For auxiliary shaft body mechanism structure diagram;

[0017] Figure 5 For main shaft body mechanism and auxiliary shaft body mechanism assembled sectional view;

[0018] Figure 6 For main shaft body mechanism sectional view.

[0019] In the drawing: 1 main shaft body mechanism, 11 first shaft body, 111 plug cavity, 112 installation slot, 12 first connecting block, 13 first connecting head, 2 auxiliary shaft body mechanism, 21 second shaft body, 211 protruding block, 212 welding slot, 22 second connecting block, 221 installation surface, 23 second connecting head, 231 thread, 3 reinforcing column. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0021] Reference Figures 1-6The utility model provides a direct axle for fitness equipment, including main shaft body mechanism 1, one side of main shaft body mechanism 1 is provided with auxiliary shaft body mechanism 2, main shaft body mechanism 1 includes first shaft body 11, and the inside of first shaft body 11 is provided with insertion cavity 111, and insertion cavity 111 is provided with reinforcing column 3 inside, and first shaft body 11 is provided with installation groove 112 at the one side end of insertion cavity 111, and auxiliary shaft body mechanism 2 is installed at installation groove 112, and the other side end of first shaft body 11 away from auxiliary shaft body mechanism 2 is fixedly connected with first connecting block 12, and the other side of first connecting block 12 away from first shaft body 11 is fixedly connected with first connecting head 13, and reinforcing column 3 can be installed in insertion cavity 111, to improve the strength of first shaft body 11.

[0022] In addition, reinforcing column 3 selects a kind of including but not limited to tungsten steel material, tungsten steel hardness is high, and its strength and toughness are also better, and it is not easy to break.

[0023] Furthermore, auxiliary shaft body mechanism 2 includes second shaft body 21, and the other end of second shaft body 21 away from first shaft body 11 is fixedly connected with second connecting block 22, and the other end of second connecting block 22 away from second shaft body 21 is fixedly connected with second connecting head 23, and second connecting head 23 is used to install to fitness equipment.

[0024] Meanwhile, the other end of second shaft body 21 away from second connecting block 22 is fixedly connected with lug 221, and welding groove 212 is formed at the outer wall of one end of second shaft body 21, and lug 221 is installed at installation groove 112, and welding groove 212 is used for welding, to fixedly connect first shaft body 11 with second shaft body 21.

[0025] Second connecting block 22 and first connecting block 12 are consistent in structure, and a plurality of installation surfaces 221 are evenly formed on the outer wall of second connecting block 22, and installation surface 221 is used to install to fitness equipment and adapt thereto.

[0026] Furthermore, second connecting head 23 and first connecting head 13 are consistent in structure, and a plurality of threads 231 are formed on the outer wall of second connecting head 23, and thread 231 is used to rotate second connecting head 23 to fitness equipment.

[0027] In the embodiment, insertion cavity 111 is formed in first shaft body 11, reinforcing column 3 is inserted into insertion cavity 111, then lug 211 is buckled into installation groove 112, first shaft body 11 and second shaft body 21 are welded together through welding groove 212, then thread 231 is formed on second connecting head 23 and first connecting head 13, thread 231 is used to install the two ends of direct axle to fitness equipment, and a plurality of installation surfaces 221 are formed on the side wall of second connecting block 22 and first connecting block 12, and installation surface 221 is used to adapt to the slot on fitness equipment.

[0028] The reinforcing column 3 is made of tungsten steel material, has good strength and hardness, is arranged in the first shaft body 11, and thus the straight heart shaft is not needed to be replaced by the tungsten steel material, only the reinforcing column 3 in the first shaft body 11 is made of the tungsten steel material, the strength of the first shaft body 11 is effectively strengthened, and the first shaft body 11 is prevented from being bent when the load is high.

[0029] In the utility model, the first shaft body 11 is provided with the insertion cavity 111, the reinforcing column 3 is arranged in the insertion cavity 111, the tungsten steel material is selected for the reinforcing column 3 in the first shaft body 11, the strength of the first shaft body 11 is effectively strengthened, the first shaft body 11 is prevented from being bent when the load is high, and the strength of the straight heart shaft is improved.

[0030] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, equivalent replacement or change is covered in the protection scope of the utility model.

Claims

1. A direct drive for an exercise machine comprising a spindle body mechanism (1), characterised in that, The main shaft body mechanism (1) is provided with a vice shaft body mechanism (2) on one side, the main shaft body mechanism (1) comprises a first shaft body (11), the first shaft body (11) is internally provided with an insertion cavity (111), the insertion cavity (111) is internally provided with a reinforcing column (3), the first shaft body (11) is provided with a mounting groove (112) at one end of the insertion cavity (111), the vice shaft body mechanism (2) is mounted at the mounting groove (112), the first shaft body (11) is fixedly connected with a first connecting block (12) at the other end away from the vice shaft body mechanism (2), and the first connecting block (12) is fixedly connected with a first connecting head (13) at the other end away from the first shaft body (11).

2. The straight axle for exercise equipment of claim 1, wherein, The vice shaft body mechanism (2) comprises a second shaft body (21), and the second shaft body (21) is fixedly connected with a second connecting block (22) at the other end away from the first shaft body (11); the second connecting block (22) is fixedly connected with a second connecting head (23) at the other end away from the second shaft body (21).

3. The straight axle for exercise equipment of claim 2, wherein, The second shaft body (21) is fixedly connected with a protruding block (211) at the other end away from the second connecting block (22), and the second shaft body (21) is provided with a welding groove (212) at the outer wall of one end of the protruding block (211); the protruding block (211) is mounted at the mounting groove (112).

4. The straight axle for exercise equipment of claim 3, wherein, The second connecting block (22) is consistent with the first connecting block (12) in structure, and a plurality of mounting surfaces (221) are uniformly formed in the outer wall of the second connecting block (22).

5. The straight axle for exercise equipment of claim 2, wherein, The second connecting head (23) is consistent with the first connecting head (13) in structure, and a threaded hole (231) is formed in the outer wall of the second connecting head (23).

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