CN212235840U

CN212235840U - Portable combined chest expander

Info

Publication number: CN212235840U
Application number: CN202020938934.0U
Authority: CN
Inventors: 金文娟
Original assignee: Huahong Hangzhou Printing Technology Co ltd
Current assignee: Huahong Hangzhou Printing Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-29
Anticipated expiration: 2030-05-29

Abstract

The utility model belongs to the technical field of the fitness equipment technique and specifically relates to a portable combination chest expander, which comprises a base plate, the positive both ends fixedly connected with second connecting block of base plate, two be equipped with the second slot of T shape in the one side that the second connecting block is close to each other, second slot interpolation is equipped with the second inserted block that the cross-section is T shape, two the one end that the second inserted block is close to each other is connected with the second connecting plate, two be connected with a plurality of springs between the one side that the second connecting plate is close to each other, the middle part of base plate be equipped with second inserted block shape complex third slot, two first connecting blocks are installed through movable mounting mechanism at the back of base plate, the one side of first connecting block be equipped with second inserted block shape complex first slot, the another side of first connecting block is connected with the U-shaped pull rod.

Description

Portable combined chest expander

Technical Field

The utility model relates to a body-building apparatus field especially relates to a portable combination chest expander.

Background

The chest developer is one kind of exerciser suitable for public health exercise. The utility model discloses a backpack, it is including the spring of two handles and connecting between two handles generally, and it can conveniently take exercise to the arm muscle, and this kind of chest expander is longer because the spring in the middle of if go out to travel need carry and when keeping in the knapsack with other things together, easily takes place to entangle with other article, and this kind of chest expander also is inconvenient in addition to take exercise the muscle of shank.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defect of inconvenient carrying in the prior art and providing a portable combined chest expander.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a portable combination chest expander, includes the base plate, the positive both ends fixedly connected with second connecting block of base plate, two be equipped with the second slot of T shape in the one side that the second connecting block is close to each other, second slot interpolation is equipped with the second inserted block that the cross-section is T shape, two the one end that the second inserted block is close to each other is connected with the second connecting plate, two be connected with a plurality of springs between the one side that the second connecting plate is close to each other, the middle part of base plate be equipped with second inserted block shape complex third slot, two first connecting blocks are installed through movable mounting mechanism in the back of base plate, the one side of first connecting block be equipped with second inserted block shape complex first slot, the another side of first connecting block is connected with the U-shaped pull rod.

Preferably, two connection rings are connected to the side surface of the base plate at intervals, and a connection rope is connected between the two connection rings.

Preferably, the movable mounting mechanism comprises two first connecting plates vertically fixed on two sides of the back of the substrate, one surface of each of the two first connecting plates, which is close to each other, is connected with a first insertion block matched with the first slot in shape, and the first insertion block is inserted into the first slot.

Preferably, the middle parts of the first connecting plate and the second connecting plate are both provided with positioning screws in a threaded manner, and the end parts of the positioning screws are in threaded connection with the second connecting block or threaded holes formed in the first connecting block.

Preferably, a plurality of finger grooves are formed in the inner side of the U-shaped pull rod, and the finger grooves are arc-shaped.

Preferably, pedals are fixed on two sides of the front surface of the base plate, and strip-shaped anti-slip grooves are arranged on the pedals at equal intervals.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a middle chest expander comprises the structure of the traditional chest expander, and a base plate is also arranged, wherein two second connecting plates and a plurality of springs form the main body part of the chest expander, the handle part comprises a U-shaped pull rod and a first connecting block, a first slot arranged on the first connecting block can be matched with and detached from a second slot connected on the second connecting plate, thereby the handle part can be separated from the spring part, thereby the whole length of the chest expander is reduced, and two second connecting blocks arranged on the base plate can be connected with the second connecting plates, thereby the two ends of the springs are fixed in an auxiliary way, and the chest expander is convenient to carry;

2. the second slot has been set up on the base plate, through the cooperation of second slot and second inserted block, can make the one end of spring fixed to the base plate, when using, the one end of spring is fixed with the U-shaped pull rod with the fixed other end of base plate, and the user lies flat, holds the U-shaped pull rod, and both sides of base plate are stepped on to the both feet, and the leg is stepped on hard, reaches the purpose of tempering shank muscle.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of another view angle of the present invention.

In the figure: the anti-skid device comprises a base plate 1, a first slot 2, a first connecting block 3, a U-shaped pull rod 4, a finger slot 5, a first inserting block 6, a first connecting plate 7, a positioning screw 8, a second connecting block 9, a second inserting block 10, a spring 11, a connecting ring 12, a third slot 13, a connecting rope 14, a second slot 15, an anti-skid slot 16, a pedal 17 and a second connecting plate 18.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The portable combined chest expander as shown in fig. 1-2 comprises a base plate 1, two connecting rings 12 are connected to the side surface of the base plate 1 at intervals, and a connecting rope 14 is connected between the two connecting rings 12. The connection string 14 can facilitate hanging the base plate 1 and carrying the base plate 1.

The positive both ends fixedly connected with second connecting block 9 of base plate 1, be equipped with the second slot 15 of T shape in the one side that two second connecting blocks 9 are close to each other, second inserted block 10 that the cross-section is T shape is equipped with in the interpolation of second slot 15, the one end that two second inserted blocks 10 are close to each other is connected with second connecting plate 18, be connected with a plurality of springs 11 between the one side that two second connecting plates 18 are close to each other, the middle part of base plate 1 is equipped with the third slot 13 with 10 shape complex of second inserted block, the positive both sides of base plate 1 all are fixed with footboard 17, footboard 17 equidistance is equipped with the non-skid groove 16 of bar. The second connecting block 9 is connected with the second inserting block 10 through a second slot 15 formed in the second connecting block, so that the second connecting plate 18 is fixed, the two second connecting plates 18 position two ends of the plurality of springs 11, and the two pedals 17 on the base plate 1 can be used for assisting in exercising muscles of legs.

Two first connecting blocks 3 are mounted on the back surface of the substrate 1 through a movable mounting mechanism, a first slot 2 matched with the second inserting block 10 in shape is arranged on one surface of each first connecting block 3, and a U-shaped pull rod 4 is connected to the other surface of each first connecting block 3. A plurality of finger grooves 5 are arranged on the inner side of the U-shaped pull rod 4, and the finger grooves 5 are arc-shaped. The U-shaped pull rod 4 is used for holding by hand, and the finger groove 5 is used for facilitating the grasping of fingers.

The movable mounting mechanism comprises two first connecting plates 7 vertically fixed on two sides of the back surface of the substrate 1, a first inserting block 6 matched with the first slot 2 in shape is connected to the mutually close surface of the two first connecting plates 7, and the first inserting block 6 is inserted in the first slot 2. Through the cooperation of first inserted block 6 with first slot 2, can conveniently carry out the dismouting to U-shaped pull rod 4.

The middle parts of the first connecting plate 7 and the second connecting plate 18 are both provided with a positioning screw 8 in a threaded manner, and the end part of the positioning screw 8 is in threaded connection with a threaded hole formed in the second connecting block 9 or the first connecting block 3. Can conveniently carry out fixed connection to first connecting block 3 and first connecting plate 7 through set screw 8, perhaps second connecting block 9 is connected with second connecting plate 18, does not set up set screw 8 in perhaps practical application, and utilizes the frictional force between inserted block and the slot to fix a position.

The working principle is as follows: when carrying, the second connecting plate 18 of spring 11 both sides is spacing through the cooperation of second inserted block 10 with second slot 15, thereby be convenient for fix the position of spring 11, and U-shaped pull rod 4 movable mounting who is regarded as the handle part is at the back of base plate 1, during the use, take off U-shaped pull rod 4 together with first connecting block 3 and spring 11 together with second connecting plate 18, through inserting second inserted block 10 into first slot 2, realize being connected between spring 11 and the U-shaped pull rod 4, in addition, second inserted block 10 of spring 11 one end can also select to insert in third slot 13, the both sides of base plate 1 are stepped on respectively to two feet like this, hand pulling U-shaped pull rod 4 again can temper shank muscle.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A portable combined chest expander comprises a base plate (1) and is characterized in that two second connecting blocks (9) are fixedly connected to two ends of the front face of the base plate (1), one face, close to each other, of each second connecting block (9) is provided with a T-shaped second slot (15), a second inserting block (10) with a T-shaped cross section is inserted into each second slot (15), one end, close to each other, of each second inserting block (10) is connected with a second connecting plate (18), a plurality of springs (11) are connected between the faces, close to each other, of the second connecting plates (18), a third slot (13) matched with the second inserting block (10) in shape is arranged in the middle of the base plate (1), two first connecting blocks (3) are mounted on the back face of the base plate (1) through movable mounting mechanisms, one face of each first connecting block (3) is provided with a first slot (2) matched with the second inserting block (10) in shape, the other side of the first connecting block (3) is connected with a U-shaped pull rod (4).

2. A portable combined chest expander according to claim 1, wherein two connecting rings (12) are connected to the side of said base plate (1) at intervals, and a connecting rope (14) is connected between said two connecting rings (12).

3. A portable combined chest expander according to claim 1, wherein said movable mounting means comprises two first connecting plates (7) vertically fixed on both sides of the back surface of the base plate (1), a first insertion block (6) matched with the first insertion groove (2) in shape is connected to the adjacent surfaces of the two first connecting plates (7), and said first insertion block (6) is inserted into the first insertion groove (2).

4. A portable combined chest expander according to claim 3, wherein the middle parts of the first connecting plate (7) and the second connecting plate (18) are respectively provided with a positioning screw (8) in a threaded manner, and the end part of the positioning screw (8) is in threaded connection with a threaded hole formed in the second connecting block (9) or the first connecting block (3).

5. A portable combination chest expander according to claim 1, wherein the inner side of said U-shaped pull rod (4) is provided with a plurality of finger grooves (5), said finger grooves (5) being arc-shaped.

6. A portable combined chest expander according to claim 1, wherein, pedals (17) are fixed on both sides of the front surface of the base plate (1), and the pedals (17) are provided with strip-shaped anti-skid grooves (16) at equal intervals.