Conversion device for converting large-hole barbell disc into small-hole barbell disc

Abstract

The utility model belongs to the technical field of barbells, and discloses a conversion device for converting a large-hole barbell disc into a small-hole barbell disc, which comprises a barbell disc main body and an inner mounting ring, a through hole is arranged in the middle of the barbell disc main body, a cavity is arranged in the barbell disc main body, a rotating block is rotatably connected in the cavity, a through groove is arranged on the surface of the rotating block, and the inner mounting ring is arranged in the through groove. A plurality of guide blocks are installed on the inner wall of the through groove, a supporting block is installed on the upper end face of the rotating block, a pulling block is installed at the upper end of the supporting block, a movable groove is formed in the pulling block, and the top end of the supporting block extends into the movable groove to be provided with a limiting block; a plurality of transmission rods are movably connected to the peripheral side of the cavity, check blocks are installed on the peripheries of the transmission rods, one ends of the transmission rods extend into the through holes, and a plurality of first clamping grooves are formed in the peripheral side of the inner mounting ring. The device is simple and reasonable in structure, novel in design, easy to operate, high in practicability and convenient to widely popularize and use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to barbell technical field, more specifically, it is particularly related to a kind of conversion device of big hole barbell piece into small hole barbell piece. BACKGROUND

[0002] Barbell is a kind of core training exercise training equipment, and is also the equipment used for weight lifting. Barbell exercise belongs to a kind of weight training, just uses barbell training equipment to improve muscle strength training. Barbell can also be used for core training to promote overall coordination.

[0003] At present, the inner hole size of many barbell pieces is designed into fixed specification, to adapt to training of different intensity, trainee needs to be equipped with multiple diameter barbell rods, which means that multiple aperture matching barbell pieces need to be purchased, which undoubtedly increases equipment cost and greatly increases the demand for storage space.

[0004] Therefore, in view of the above, the existing structure and defects are improved, a kind of conversion device of big hole barbell piece into small hole barbell piece is provided, to achieve the purpose of having more practical value. UTILITY MODEL CONTENT

[0005] In order to solve the above technical problems, the utility model provides a kind of conversion device of big hole barbell piece into small hole barbell piece, which is achieved by the following specific technical means:

[0006] A kind of conversion device of big hole barbell piece into small hole barbell piece, including barbell piece main body, further including inner installation ring, the middle position of the barbell piece main body is equipped with through hole, the cavity is equipped in the barbell piece main body, the rotatable block is rotatably connected in the cavity, the surface of the rotatable block is equipped with through slot, the inner wall of the through slot is installed with several guide blocks, the upper end surface of the rotatable block is installed with support block, the upper end of the support block is installed with pull block, the pull block is equipped with movable slot, the top of the support block extends to movable slot and is installed with limit block, the upper end surface of the barbell piece main body is equipped with arc slot above the cavity, the periphery of the cavity is movably connected with several transmission rods, the periphery of the transmission rod is installed with stop block, the one end of several transmission rods is extended into through hole, the periphery of the inner installation ring is equipped with several clamping grooves one, the one end of transmission rod is matched with the size of clamping groove one.

[0007] Further, the upper end surface of the barbell piece main body is equipped with a pair of clamping grooves two near the two ends of arc slot.

[0008] Further, the bottom end surface of the pull block is installed with a pair of clamping blocks, and the size of the clamping block is matched with the size of the clamping groove two.

[0009] Further, the support block is peripherally sleeved with a compression spring one, two ends of the compression spring one are connected with the limiting block and the opposite side of the movable slot respectively.

[0010] Further, the transmission rod is peripherally sleeved with a compression spring two, two ends of the compression spring two are connected with the stop block and the opposite side of the cavity respectively.

[0011] Further, one end of the transmission rod is semispherical.

[0012] Further, the through hole is provided with a plurality of connecting grooves on the circumferential side, and the size of the through hole is matched with the size of the inner mounting ring.

[0013] Further, the inner mounting ring is provided with a plurality of connecting blocks on the circumferential side, and the size of the connecting blocks is matched with the size of the connecting grooves.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] Through the cooperation of the pulling block, the compression spring one, the support block, the clamping block, the clamping groove one, the rotating block, the guide block, the transmission rod, the compression spring two and the clamping groove two, when the staff needs to replace the inner mounting ring with different inner diameters, the staff moves the pulling block upwards, the pulling block drives a pair of clamping blocks to separate from the clamping groove two, then the pulling block drives the support block to move to the other end of the arc-shaped groove, the support block drives the rotating block to rotate, the rotating block drives the guide block to rotate, the guide block separates from one end of the transmission rod, at this time, under the action force of the compression spring two, the compression spring two pushes the transmission rod to move to one side and separates from the clamping groove one through the stop block, at this time, the user can quickly take out the inner mounting ring and replace the inner mounting ring with another inner diameter, inserts the inner mounting ring into the through hole, at this time, the user rotates the rotating block to the initial position, in the rotating process of the rotating block, the guide block starts to push the transmission rod to move to the direction of the through hole and is inserted into the clamping groove one, then the pulling block is loosened, under the action force of the compression spring one, the pulling block starts to move downwards, the pulling block drives a pair of clamping blocks to move into the clamping groove two, so that the inner mounting ring is fixed in the through hole, thereby the effect that the inner mounting ring can be quickly replaced is realized, and the cost of purchasing multiple hole diameter barbell plates is reduced, and the practicability of the product is improved. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the three-dimensional schematic view of the utility model.

[0017] Figure 2 It is the three-dimensional schematic view of part of the structure in the utility model.

[0018] Figure 3 It is the sectional three-dimensional schematic view of the utility model.

[0019] Figure 4It is the three-dimensional schematic view of the inner mounting ring in the utility model.

[0020] Figure 5 It is the front view section schematic view of the pulling block in the utility model.

[0021] Figure 6 It is the utility model Figure 3 A enlarged schematic view.

[0022] In the drawing, the correspondence between the component name and the drawing number is:

[0023] 1, the barbell piece main body;101, through hole;102, chamber;103, arc-shaped groove;104, card slot two;105, connecting groove;2, inner mounting ring;201, card slot one;202, connecting block;3, rotating block;301, through slot;302, guide block;4, pulling block;401, movable slot;402, limiting block;403, clamping block;404, support block;405, compression spring one;5, transmission rod;501, stop block;502, compression spring two. DETAILED DESCRIPTION

[0024] The embodiment of the utility model will be described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0025] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. The device or element indicated or implied must have a particular orientation, a particular orientation and operation, so it cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Embodiment:

[0028] As shown in the accompanying Figure 1 to the accompanying Figure 6 illustrated:

[0029] The utility model provides a kind of conversion device of big hole barbell disc into small hole barbell disc, including barbell disc main body 1, still including inner installation ring 2, the middle position of barbell disc main body 1 is equipped with through-hole 101, chamber 102 is equipped in barbell disc main body 1, rotating block 3 is rotatably connected in chamber 102, the surface of rotating block 3 is equipped with through slot 301, a plurality of guide blocks 302 are installed in the inner wall of through slot 301, the upper end surface of rotating block 3 is installed with support block 404, the upper end of support block 404 is installed with pull block 4, and pull block 4 is equipped with movable slot 401, the top of support block 404 extends to movable slot 401 and is installed with limit block 402, the upper end surface of barbell disc main body 1 is equipped with arc slot 103 above chamber 102, a plurality of transmission rods 5 are movably connected to the circumferential side of chamber 102, stop block 501 is installed on the periphery of transmission rod 5, and the one end of a plurality of transmission rods 5 extends into through-hole 101, the circumferential side of inner installation ring 2 is equipped with a plurality of clamping grooves one 201, and the one end of transmission rod 5 is matched with the size of clamping grooves one 201.

[0030] Among them, the upper end surface of barbell disc main body 1 is equipped with a pair of clamping grooves two 104 close to the both ends of arc slot 103.

[0031] Among them, the bottom end surface of pull block 4 is installed with a pair of clamping blocks 403, and the size of clamping blocks 403 is matched with the size of clamping grooves two 104.

[0032] Among them, compression spring one 405 is peripherally sleeved in movable slot 401 of support block 404, and the both ends of compression spring one 405 are connected with limit block 402 and the opposite side of movable slot 401 respectively.

[0033] Among them, compression spring two 502 is peripherally sleeved in transmission rod 5, and the both ends of compression spring two 502 are connected with stop block 501 and the opposite side of chamber 102 respectively.

[0034] Among them, one end of transmission rod 5 is hemispherical, and the hemispherical shape can reduce friction, facilitate the movement of guide block 302 to push transmission rod 5.

[0035] Among them, the circumferential side of through-hole 101 is equipped with a plurality of connecting grooves 105, and the size of through-hole 101 is matched with the size of inner installation ring 2.

[0036] Among them, a plurality of connecting blocks 202 are installed on the circumferential side of inner installation ring 2, the size of connecting block 202 is matched with the size of connecting groove 105, and auxiliary positioning effect can be achieved on the installation of inner installation ring 2 by the cooperation of connecting block 202 and connecting groove 105.

[0037] The working principle of the embodiment is as follows:

[0038] Through the cooperation of pulling block 4, compression spring one 405, support block 404, clamping block 403, clamping groove one 201, rotating block 3, guide block 302, transmission rod 5, compression spring two 502 and clamping groove two 104, when the staff needs to replace the inner mounting ring 2 with different inner diameters, the staff moves the pulling block 4 upwards, the pulling block 4 drives a pair of clamping blocks 403 to be separated from the clamping groove two 104, then the pulling block 4 drives the support block 404 to move to the other end of the arc-shaped groove 103, the support block 404 drives the rotating block 3 to rotate, the rotating block 3 drives the guide block 302 to rotate, so that the guide block 302 is separated from one end of the transmission rod 5, at this time, under the action force of the compression spring two 502, the compression spring two 502 pushes the transmission rod 5 to move to one side and be separated from the clamping groove one 201 through the stop block 501, at this time, the user can quickly take out the inner mounting ring 2 and replace another inner diameter of the inner mounting ring 2, insert the inner mounting ring 2 into the through hole 101, at this time, the user rotates the rotating block 3 to the initial position, in the rotating process of the rotating block 3, the guide block 302 starts to push the transmission rod 5 to move in the direction of the through hole 101 and is inserted into the clamping groove one 201, then the pulling block 4 is loosened, under the action force of the compression spring one 405, the pulling block 4 starts to move downwards, the pulling block 4 drives a pair of clamping blocks 403 to move into the clamping groove two 104, so that the inner mounting ring 2 is fixed in the through hole 101, so that the effect of quickly replacing the inner mounting ring 2 can be realized, and the cost of purchasing multiple hole diameter barbell plates is reduced, and the practicability of the product is improved.

[0039] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A conversion device for converting a large bore barbell plate into a small bore barbell plate, comprising a barbell plate body (1), characterized in that: Also include the inner mounting ring (2), the middle position of the barbell piece body (1) is equipped with through hole (101), the barbell piece body (1) is equipped with chamber (102) inside, the chamber (102) is rotatably connected with rotating block (3) inside, the surface of rotating block (3) is equipped with through slot (301), a plurality of guide blocks (302) are installed on the inner wall of through slot (301), the upper end surface of rotating block (3) is installed with support block (404), the upper end of support block (404) is installed with pull block (4), the pull block (4) is equipped with movable slot (401) inside, the top of support block (404) extends into movable slot (401) and is installed with limit block (402), the upper end surface of barbell piece body (1) is equipped with arc slot (103) above the chamber (102), a plurality of transmission rods (5) are movably connected to the periphery of chamber (102), the outer periphery of transmission rod (5) is installed with stop block (501), one end of a plurality of transmission rods (5) extends into through hole (101), the periphery of inner mounting ring (2) is equipped with a plurality of clamping grooves (201), one end of transmission rod (5) is matched with the size of clamping groove (201).

2. The conversion device of claim 1, wherein: The upper end surface of the barbell piece body (1) is equipped with a pair of clamping grooves (104) near both ends of the arc slot (103).

3. The conversion device of claim 2, wherein: The bottom end surface of the pull block (4) is installed with a pair of clamping blocks (403), and the size of the clamping block (403) is matched with the size of the clamping groove (104).

4. The conversion device of claim 1, wherein: The outer periphery of the support block (404) in the movable slot (401) is sleeved with a compression spring (405), and the two ends of the compression spring (405) are connected with the limit block (402) and the opposite side of the movable slot (401) respectively.

5. The conversion device of claim 1, wherein: The outer periphery of the transmission rod (5) is sleeved with a compression spring (502), and the two ends of the compression spring (502) are connected with the stop block (501) and the opposite side of the chamber (102) respectively.

6. The conversion device of claim 1, wherein: One end of the transmission rod (5) is hemispherical.

7. The conversion device of claim 1, wherein: The periphery of the through hole (101) is equipped with a plurality of connecting grooves (105), and the size of the through hole (101) is matched with the size of the inner mounting ring (2).

8. The conversion device of claim 7, wherein: The periphery of the inner mounting ring (2) is installed with a plurality of connecting blocks (202), and the size of the connecting block (202) is matched with the size of the connecting groove (105).

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