CN217132548U

CN217132548U - Weight lifting barbell safety performance detection device

Info

Publication number: CN217132548U
Application number: CN202220869573.8U
Authority: CN
Inventors: 王贺; 赵之利; 王伟; 张文豪; 陈昊; 王晨阳
Original assignee: Shandong Taishan Sports Equipment Co Ltd
Current assignee: Shandong Taishan Sports Equipment Co Ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-05
Anticipated expiration: 2032-04-15

Abstract

The utility model relates to a safety performance detection device for a weight lifting barbell, which comprises a welding underframe, a lower hoop combination and an upper hoop combination; the welding underframe comprises a bottom framework, a first upright post and a second upright post are fixedly arranged on the bottom framework, and the top of the first upright post is lower than that of the second upright post; a first ear seat is fixedly arranged at the top of the first upright post, and a hinge round hole Y is arranged on the first ear seat; a second ear seat is fixedly arranged at the top of the second upright post, and a hinged waist-shaped hole T is formed in the second ear seat; the lower hoop assembly is hinged with the first ear seat through a hinge shaft and a hinge round hole Y; the upper hoop assembly is hinged with the second ear seat through a locking bolt, a locking nut and a hinged waist-shaped hole T; the upper hoop assembly and the lower hoop assembly are used for clamping the barbell bar together, so that the barbell bar and the horizontal plane form a posture of 30 degrees. The barbell bar has reasonable and simple structural design, and the placing posture of the barbell bar can be adjusted, so that the barbell bar and the horizontal plane form an accurate 30 degree angle.

Description

Weight lifting barbell safety performance detection device

Technical Field

The utility model belongs to the technical field of the sport equipment performance detects, concretely relates to weight lifting barbell security performance detection device.

Background

The weight lifting barbell consists of a barbell rod, a barbell disc and a locker, and according to the regulations of the national standard GB 23177 plus 2008 'safety and performance requirements and test method of the weight lifting barbell', the product needs to carry out the sliding and locking tests of the barbell disc so as to test whether the product can meet the safety performance requirements. Both the barbell piece slipping test and the barbell piece locking test require the barbell bar to be placed to a posture that the axis of the barbell bar forms 30 degrees with the horizontal plane.

For weight lifting barbell manufacturers, the detection equipment belongs to self-production and self-use equipment and has no uniform fixed mode. According to the inventor, the safety performance detection device of the weight lifting barbell in the prior art generally has the following defects:

(1) for a detection device with a simple structure, the placement posture of the barbell bar cannot be adjusted generally.

(2) Some detection devices can realize the adjustment of the placing posture of the barbell bar, but the structure is more complex, and the manufacturing and assembling cost is higher.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to remedy prior art's not enough, provide a rational in infrastructure and can adjust the weight lifting barbell security performance detection device of the posture of placing of barbell bar.

To solve the technical problem, the technical scheme of the utility model is that:

a safety performance detection device for a weight lifting barbell comprises a welding underframe, a lower hoop combination and an upper hoop combination;

the welding underframe comprises a bottom framework, a first upright post and a second upright post which are arranged at a certain interval are fixedly arranged on the bottom framework, and the top of the first upright post is lower than that of the second upright post; a first ear seat is fixedly arranged at the top of the first upright post, and a hinge round hole Y is arranged on the first ear seat; a second ear seat is fixedly arranged at the top of the second upright post, and a hinged waist-shaped hole T is formed in the second ear seat;

the lower hoop assembly is hinged with the first ear seat through a hinge shaft and a hinge round hole Y;

the upper hoop assembly is hinged with the second ear seat through a locking bolt, a locking nut and a hinged waist-shaped hole T;

the upper hoop assembly and the lower hoop assembly are used for clamping the barbell bar together, so that the barbell bar and the horizontal plane form a posture of 30 degrees.

Furthermore, the lower hoop combination comprises a hoop A, and the opening of the hoop A is provided with an M-shaped symmetrical surface; fastening plates A are welded on two sides of the opening of the hoop A, fastening through holes KA are formed in the fastening plates A, and the fastening bolts A, the fastening nuts A and the fastening through holes KA are matched and used for enabling the fastening plates A to drive the hoop A to clamp the barbell bar; an ear plate A is welded on the hoop A, the ear plate A and the M surface are parallel to each other, a hinge round hole A is arranged on the ear plate A, and the lower hoop combination is hinged with the first ear seat through a hinge shaft hinge round hole Y and a hinge round hole A;

the upper hoop combination comprises a hoop B, the symmetrical surface of the opening of the hoop B is N, fastening plates B are welded on two sides of the opening of the hoop B, fastening through holes KB are formed in the fastening plates B, and the fastening bolts B, the fastening nuts B and the fastening through holes KB are matched to enable the fastening plates B to drive the hoop B to clamp the barbell bar; the hoop B is welded with an ear plate B, the ear plate B is perpendicular to the N face, a hinge round hole B is formed in the ear plate B, and the upper hoop combination is hinged with the second ear seat through a locking bolt, a locking nut, a hinge waist-shaped hole T and the hinge round hole B.

Furthermore, anti-skid pads are bonded on the inner surfaces of the hoop A and the hoop B, which are used for being in contact with the barbell bar.

Further, the welding chassis is a weldment.

The utility model discloses the beneficial effect that can reach does:

(1) the structure design is reasonable and simple, and the placing posture of the barbell bar can be adjusted, so that the barbell bar and the level become 30 degrees.

(2) The opening of the upper hoop combination is set to be backward, so that the barbell bar is prevented from being separated from the upper hoop combination.

(3) The opening of the lower hoop combination is arranged to be upward, so that the barbell bar can be placed conveniently.

Drawings

FIG. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a front view of a welding chassis according to an embodiment of the present invention;

FIG. 4 is a left side view of FIG. 3;

fig. 5 is a front view of a second ear mount in an embodiment of the invention;

fig. 6 is a front view of the lower hoop assembly in the embodiment of the present invention;

FIG. 7 is a side view of FIG. 6;

FIG. 8 is a front view of the upper hoop assembly in the embodiment of the present invention;

FIG. 9 is a front view of the hoop A/hoop B according to the embodiment of the present invention;

FIG. 10 is a side view of FIG. 9;

FIG. 11 is a front view of an embodiment of the present invention showing an ear plate A/ear plate B;

FIG. 12 is a front view of a fastening plate A/fastening plate B according to an embodiment of the present invention;

in the figure: 1-upper hoop assembly, 2-welded chassis, 3-lower hoop assembly, 4-locking bolt, 5-bottom frame, 6-first ear seat, 7-first upright post, 8-reinforcing rib, 9-second ear seat, 10-second upright post, 11-fastening plate A, 12-fastening nut A, 13-hoop A, 14-non-slip mat, 15-ear plate A, 16-fastening bolt A, 17-articulated shaft, 18-ear plate B, 19-hoop B, 20-fastening plate B, 21-fastening bolt B, 22-fastening nut B.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Examples

As shown in fig. 1 and 2, a safety performance testing device for a weight lifting barbell comprises a welding underframe 2, a lower hoop assembly 3 and an upper hoop assembly 1.

As shown in fig. 3 and 4, the welding underframe 2 is a welding part, the welding underframe 2 comprises a bottom frame 5, a first upright post 7 and a second upright post 10 which are arranged at a certain interval are fixedly arranged on the bottom frame 5, reinforcing ribs 8 are respectively arranged between the first upright post 7 and the bottom frame 5 and between the second upright post 10 and the bottom frame 5, the first upright post 7, the second upright post 10 and the reinforcing ribs 8 are all pipes; the top of the first upright post 7 is lower than the top of the second upright post 10; a first ear seat 6 is fixedly arranged at the top of the first upright post 7, and a hinge round hole Y is arranged on the first ear seat 6; the top of the second upright post 10 is fixedly provided with a second ear seat 9, and the second ear seat 9 is provided with a hinge waist-shaped hole T (as shown in fig. 5).

As shown in fig. 6 and 7, the lower hoop assembly 3 includes a hoop a13, and the opening of the hoop a13 has an M-plane symmetry plane; fastening plates A11 are welded on two sides of an opening of the hoop A13, fastening through holes KA are formed in the fastening plates A11, and the fastening bolts A16, the fastening nuts A12 and the fastening through holes KA are matched to enable the fastening plates A11 to drive the hoop A13 to clamp the barbell bar; the last welding of staple bolt A13 has otic placode A15, and otic placode A15 is parallel to each other with the M face (from fig. 1, staple bolt A13's opening is upwards), is equipped with articulated round hole A on the otic placode A15, and lower staple bolt combination 3 is articulated round hole Y, articulated round hole A and first ear seat 6 hinge through articulated shaft 17.

As shown in fig. 8, the upper hoop assembly 1 includes a hoop B19, the opening of the hoop B19 has a symmetrical plane of N faces, fastening plates B20 are welded to both sides of the opening of the hoop B19, fastening through holes KB are provided on the fastening plates B20, and the fastening bolts B21, fastening nuts B22 and fastening through holes KB are matched to enable the fastening plates B20 to drive the hoop B19 to clamp the barbell bar; the hoop B19 is welded with an ear plate B18, the ear plate B18 is perpendicular to the N surface (the opening of the hoop B19 is backward when viewed from figure 1), the ear plate B18 is provided with a hinge round hole B, and the upper hoop assembly 1 is hinged with the second ear seat 9 through a locking bolt 4, a locking nut, a hinge waist-shaped hole T and the hinge round hole B.

The upper hoop assembly 1 and the lower hoop assembly 3 are used for clamping the barbell bar together, so that the barbell bar and the horizontal plane form a posture of 30 degrees. By setting the dimension A, B, C reasonably, the barbell bar is roughly 30 degrees to the horizontal after being placed on the detection device, and by loosening the locking nut on the locking bolt 4, the height position of the locking bolt 4 in the hinge waist-shaped hole T is adjusted, so that the barbell bar is 30 degrees to the horizontal.

In order to prevent damage to the barbell bar, the inner surfaces of the hoop A13 and the hoop B19, which are in contact with the barbell bar, are both bonded with the non-slip mat 14 made of neoprene.

The advantages of this embodiment:

(2) The reason why the opening of the upper hoop assembly 1 is set to the rear is that when the barbell disc locking test is performed, under the action of gravity of 150Kg barbell discs, the barbell bar is equivalent to a lever with the hinge point of the lower hoop assembly 3 as a fulcrum, the barbell bar applies a vertically upward pressure to the upper hoop assembly 1, and if the locking bolt 4 is inadvertently released, the barbell bar may be separated from the upper hoop assembly 1, and the opening of the upper hoop assembly 1 is set to the rear, which avoids the separation.

(3) The opening of the lower hoop assembly 3 is arranged to be upward, so that the barbell bar can be placed conveniently.

In the description of the present invention, words such as "inner", "outer", "upper", "lower", "front", "rear", etc., indicating directions or positional relationships are used only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

The above is only one of the embodiments of the present invention, the protection scope of the present invention is not limited to the above-mentioned embodiments, it should be pointed out, for the ordinary skilled person in the art, without departing from the present invention, the present invention provides a plurality of improvements and decorations made under the premise of the idea.

Claims

1. The utility model provides a weight lifting barbell security performance detection device which characterized by: comprises a welding underframe (2), a lower hoop combination (3) and an upper hoop combination (1);

the welding underframe (2) comprises a bottom frame (5), a first upright post (7) and a second upright post (10) which are arranged at a certain interval are fixedly arranged on the bottom frame (5), and the top of the first upright post (7) is lower than that of the second upright post (10); a first ear seat (6) is fixedly arranged at the top of the first upright post (7), and a hinge round hole Y is arranged on the first ear seat (6); a second ear seat (9) is fixedly arranged at the top of the second upright post (10), and a hinged waist-shaped hole T is formed in the second ear seat (9);

the lower hoop combination (3) is hinged with the first ear seat (6) through a hinged shaft (17) and a hinged round hole Y;

the upper hoop combination (1) is hinged with the second ear seat (9) through a locking bolt (4), a locking nut and a hinged waist-shaped hole T;

the upper hoop combination (1) and the lower hoop combination (3) are used for clamping the barbell bar together, so that the barbell bar and the horizontal plane form a posture of 30 degrees.

2. The weight lifting barbell safety performance detecting device according to claim 1, wherein: the lower anchor ear combination (3) comprises an anchor ear A (13), and the opening symmetry plane of the anchor ear A (13) is an M plane; fastening plates A (11) are welded on two sides of an opening of the hoop A (13), fastening through holes KA are formed in the fastening plates A (11), and the fastening bolts A (16), the fastening nuts A (12) and the fastening through holes KA are matched and used for enabling the fastening plates A (11) to drive the hoop A (13) to clamp the barbell bar; an ear plate A (15) is welded on the hoop A (13), the ear plate A (15) is parallel to the M surface, a hinge round hole A is formed in the ear plate A (15), and the lower hoop combination (3) is hinged with the first ear seat (6) through a hinge shaft (17) hinge round hole Y and the hinge round hole A;

the upper hoop combination (1) comprises a hoop B (19), the opening of the hoop B (19) is provided with N symmetrical surfaces, fastening plates B (20) are welded on two sides of the opening of the hoop B (19), fastening through holes KB are formed in the fastening plates B (20), and the fastening bolts B (21), the fastening nuts B (22) and the fastening through holes KB are matched to enable the fastening plates B (20) to drive the hoop B (19) to clamp the barbell bar; the hoop B (19) is welded with the ear plate B (18), the ear plate B (18) is perpendicular to the N face, the ear plate B (18) is provided with a hinged round hole B, and the upper hoop combination (1) is hinged with the second ear seat (9) through the locking bolt (4), the locking nut, the hinged waist-shaped hole T and the hinged round hole B.

3. The weight lifting barbell safety performance detecting device according to claim 2, wherein: and anti-skid pads (14) are bonded on the inner surfaces of the hoop A (13) and the hoop B (19) which are used for being in contact with the barbell bar.

4. The weight lifting barbell safety performance detecting device according to claim 1, wherein: the welding chassis (2) is a weldment.