CN211836027U

CN211836027U - Adjustable horizontal bar for physical training

Info

Publication number: CN211836027U
Application number: CN201922213450.XU
Authority: CN
Inventors: 杨军强; 董成兵; 张炳和; 陈军
Original assignee: Jiangsu Youkang Fitness Amusement Equipment Co ltd
Current assignee: Jiangsu Youkang Fitness Amusement Equipment Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-11-03
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses an adjustable is horizontal bar for sports training relates to training equipment technical field, support the under casing, two including two the common fixedly connected with horizontal bar of upper surface that supports the under casing, two support fixedly connected with actuating mechanism between the under casing, two the inner wall that supports the under casing all articulates there are two linkage arms, four the linkage arm by the actuating mechanism drive, four the linkage arm is kept away from the one end that supports the under casing all is connected with the gear through the spacing rotation of bearing cooperation, four the internal thread hole has all been seted up, four to the medial surface of gear the gear all has first threaded rod through internal thread hole threaded connection. The utility model discloses, through the cooperation between the above-mentioned isotructure, possessed and only rotated the second threaded rod, can realize that four linkage arms are rotatory to be stretched out and support the process that the clamp plate supported the pressure to ground distribution, its operation convenient and fast that gets up, the practicality is higher.

Description

Adjustable horizontal bar for physical training

Technical Field

The utility model relates to a training equipment technical field specifically is an adjustable horizontal bar for sports training.

Background

For example, chinese patent CN201822084490.4 discloses a horizontal bar with adjustable supporting surface, which is issued as follows: 20190903, the utility model improves the supporting area of the side surface of the supporting leg by the arrangement of the rotary supporting plate, which is not easy to fall sideways and is safer to use; the height of the horizontal bar can be adjusted, the novel horizontal bar is suitable for different people to use, and the use range is wider. However, in the scheme, the four support plates need to be rotated in sequence, and after the four support plates are screwed out, the lower support body still needs to be rotated, so that the lower support body is pressed towards the ground direction, the horizontal bar can be stably supported, and the operation is troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable horizontal bar for sports training has possessed and has only rotated the second threaded rod, can realize that four linkage arms are rotatory to be stretched out and to the process that the clamp plate supported the pressure to ground distribution, its operation convenient and fast that gets up, the practicality is higher, solve among the prior art need rotate four backup pads in proper order, and after unscrewing four backup pads, still need rotate the bottom suspension body, make the bottom suspension body support the pressure to the ground direction, can realize the outrigger to the horizontal bar, it operates more troublesome problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable horizontal bar for sports training, includes two support under casings, two the common fixedly connected with horizontal bar of upper surface of supporting the under casing, two fixedly connected with actuating mechanism, two between the supporting under casing the inner wall of supporting the under casing all articulates there are two linkage arms, four the linkage arm by the actuating mechanism drive.

Four the linkage arm is kept away from the one end of supporting the under casing all is connected with the gear through the spacing rotation of bearing cooperation, four the internal thread hole has all been seted up to the medial surface of gear, four the gear all has first threaded rod, four through internal thread hole threaded connection the equal fixedly connected with of lower surface of first threaded rod supports the clamp plate, the lower surface that supports the clamp plate supports and presses ground, four the equal fixedly connected with spacing arm of upper surface that supports the clamp plate, four the upper end of spacing arm runs through respectively in four linkage arm, four the gear is respectively through four drive mechanism and respectively by four the linkage arm drive rotates.

Preferably, actuating mechanism includes second threaded rod and two gag lever posts, the both ends of second threaded rod pass through the bearing cooperation respectively with two the spacing rotation in opposite side of supporting the under casing is connected, two the both sides of gag lever post respectively with two the opposite side fixed connection who supports the under casing, the equal threaded connection in both ends of second threaded rod has two internal thread nested pieces, two the both ends of internal thread nested piece are cup jointed respectively two the lever arm of gag lever post, two the looks dorsal part of internal thread nested piece all articulates there is two linking arms, four the linking arm is kept away from the one end of second threaded rod respectively with four the outer wall of linkage arm is articulated.

Preferably, the second threaded rod is a double-threaded rod with external threads at two ends, and the thread directions of the two external threads are opposite to each other.

Preferably, drive mechanism includes spiral shell and cover piece, the spiral shell is kept away from the one end of linkage arm with the inner wall fixed connection who supports the under casing, the cover piece cup joints the surface of linkage arm, the helicla flute has been seted up on the surface of spiral shell, the cover piece is close to one side fixedly connected with traveller of spiral shell, the traveller is followed the spacing slip of cell wall of helicla flute, the cover piece is close to one side fixedly connected with rack plate of gear, rack plate with gear engagement connects.

Preferably, two support arms are fixedly connected between the two support bottom boxes, and the two support arms are distributed in a front-rear axial symmetry mode by taking the second threaded rod as a symmetry center.

Preferably, the middle part of the second threaded rod is free of external threads, and anti-skid grains are formed in the middle part of the second threaded rod.

Compared with the prior art, the beneficial effects of the utility model are as follows:

one, the utility model discloses a set up linkage arm, gear, first threaded rod, support clamp plate, spacing arm, second threaded rod, gag lever post, internal thread nest block and linking arm, only rotate the second threaded rod, can realize that four linkage arms are rotatory to be stretched out, its operation convenient and fast that gets up, the practicality is higher.

Two, the utility model discloses a spiral plate, nest block, helicla flute, traveller and the rack board that set up, when four linkage arms are rotatory, can realize supporting the process that the clamp plate supported the pressure to ground, realized supporting the area of under casing both sides through the increase, be difficult for the side to the convenient and fast that the operation is got up, the practicality is higher.

Drawings

Fig. 1 is a front view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a first top view of the cross-sectional structure of the support chassis of the present invention;

FIG. 4 is an enlarged view of the structure B of FIG. 3 according to the present invention;

fig. 5 is a second plan view of the sectional rear structure of the supporting bottom box of the present invention.

In the figure: 1-supporting bottom box, 2-horizontal bar, 3-driving mechanism, 4-linkage arm, 5-gear, 6-first threaded rod, 7-pressing plate, 8-limiting arm, 9-transmission mechanism, 10-second threaded rod, 11-limiting rod, 12-internal thread sleeve block, 13-connecting arm, 14-spiral plate, 15-sleeve block, 16-spiral groove, 17-sliding column, 18-rack plate and 19-supporting arm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides an adjustable horizontal bar for sports training, includes two support under casings 1, two common fixedly connected with horizontal bars 2 of the upper surface that support under casing 1, two support arms 19 of common fixedly connected with between the under casing 1, two support arms 19 use second threaded rod 10 to become fore-and-aft axle symmetric distribution as the center of symmetry, two fixedly connected with actuating mechanism 3 between the under casing 1, two inner walls that support under casing 1 all articulate have two linkage arms 4, four linkage arms 4 are driven by actuating mechanism 3.

The one end that supports under casing 1 is kept away from to four linkage arms 4 all is connected with gear 5 through the spacing rotation of bearing cooperation, the internal thread hole has all been seted up to the medial surface of four gears 5, four gears 5 all have first threaded rod 6 through internal thread hole threaded connection, the equal fixedly connected with of lower surface of four first threaded rod 6 supports clamp plate 7, the lower surface that supports clamp plate 7 supports and presses ground, four upper surface that support clamp plate 7 equal fixedly connected with spacing arm 8, the upper end of four spacing arm 8 runs through respectively in four linkage arms 4, four gears 5 are respectively through four drive mechanism 9 and are rotated by the drive of four linkage arms 4 respectively.

The driving mechanism 3 comprises a second threaded rod 10 and two limiting rods 11, two ends of the second threaded rod 10 are respectively and rotatablely connected with opposite sides of the two supporting bottom boxes 1 in a limiting way through bearing matching, two sides of the two limiting rods 11 are respectively and fixedly connected with opposite sides of the two supporting bottom boxes 1, two ends of the second threaded rod 10 are respectively in threaded connection with two internal thread sleeve blocks 12, two ends of the two internal thread sleeve blocks 12 are respectively sleeved on lever arms of the two limiting rods 11, two connecting arms 13 are respectively hinged on opposite sides of the two internal thread sleeve blocks 12, one ends of the four connecting arms 13 far away from the second threaded rod 10 are respectively hinged with outer walls of the four linkage arms 4, the second threaded rod 10 is a double-end threaded rod with external threads at two ends, the thread directions of the two external threads are arranged in opposite directions, when in use, as shown in a state shown in figure 5, by, by second threaded rod 10 pivoted process and through second threaded rod 10 both ends respectively with the screw-thread fit between two internal thread cover blocks 12 and the sliding fit between gag lever post 11 and internal thread cover block 12, make two internal thread cover blocks 12 move from the direction to the back, by the process that two internal thread cover blocks 12 move from the direction to the back and through the linkage of linking arm 13, make four linkage arms 4 all rotate and to the state that fig. 3 shows, and then through the rotation of four linkage arms 4, realized four effects of propping the clamp plate 7 and stretching out.

The transmission mechanism 9 comprises a spiral plate 14 and a sleeve block 15, one end of the spiral plate 14 far away from the linkage arm 4 is fixedly connected with the inner wall of the supporting bottom box 1, the sleeve block 15 is sleeved on the outer surface of the linkage arm 4, a spiral groove 16 is formed in the surface of the spiral plate 14, one side of the sleeve block 15 close to the spiral plate 14 is fixedly connected with a sliding column 17, the sliding column 17 slides along the groove wall of the spiral groove 16 in a limiting manner, one side of the sleeve block 15 close to the gear 5 is fixedly connected with a rack plate 18, the rack plate 18 is meshed and connected with the gear 5, the sleeve block 15 synchronously rotates in the rotating process of the sleeve block 15 and the sliding process of the sliding column 17 along the groove wall of the spiral groove 16, the sleeve block 15 moves towards the direction of the gear 5 while rotating along with the linkage arm 4, the process of moving towards the direction of the gear 5 by the sleeve block 15 and the meshing transmission process between the rack plate 18 and the gear 5 and the fixed connection relationship between the rack plate 18, make gear 5 rotate, by gear 5 pivoted process and through the gear 5 on the screw-thread fit between internal thread hole and the first threaded rod 6 with spacing arm 8 to the spacing of supporting clamp plate 7 moving direction, make first threaded rod 6 drive and support clamp plate 7 and move to ground together, thereby make to support clamp plate 7 and support and press ground, realized supporting the support area of under casing 1 both sides through the increase, difficult side fall.

The middle part of second threaded rod 10 does not have the external screw thread to anti-skidding line has been seted up at the middle part of second threaded rod 10, through the anti-skidding line that sets up, has increased the frictional resistance between second threaded rod 10 middle part and the palm, and then has avoided taking place the phenomenon of skidding.

The working principle is as follows: when the adjustable horizontal bar for sports training is used, as shown in a state of figure 5, the second threaded rod 10 is rotated, the two internal thread sleeve blocks 12 move in a back-away direction in the process that the second threaded rod 10 rotates and the two ends of the second threaded rod 10 are respectively in threaded fit with the two internal thread sleeve blocks 12 and in sliding fit with the limiting rod 11 and the internal thread sleeve blocks 12, the four linkage arms 4 rotate and reach a state shown in figure 3 in the process that the two internal thread sleeve blocks 12 move in the back-away direction and are linked through the connecting arm 13, the effect of extending out the four pressing plates 7 is achieved through the rotation of the four linkage arms 4, meanwhile, the sleeve blocks 15 synchronously rotate in the process that the sleeve blocks 15 rotate and slide along the groove walls of the spiral grooves 16 through the sliding columns 17, the sleeve blocks 15 move towards the gear 5 while following the rotation of the linkage arms 4, the gear 5 rotates in the process of moving towards the gear 5 by the sleeve block 15, in the process of meshing transmission between the rack plate 18 and the gear 5 and in the fixed connection relation between the rack plate 18 and the sleeve block 15, the first threaded rod 6 drives the pressing plate 7 to move towards the ground in the process of rotating the gear 5 and in the process of matching the inner threaded hole of the gear 5 with the first threaded rod 6 and limiting the moving direction of the pressing plate 7 by the limiting arm 8, so that the pressing plate 7 presses against the ground, the supporting area of two sides of the supporting bottom box 1 is increased, and the supporting bottom box is not prone to toppling over; when the four linkage arms 4 and the four pressing plates 7 are required to be retracted, the mechanisms can be operated in all directions and return to the state shown in fig. 5 only by reversely rotating the second threaded rod 10, the operation is convenient and fast, and the practicability is high.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a horizontal bar is used in adjustable sports training, includes two support under casings (1), two the common fixedly connected with horizontal bar (2) of upper surface of supporting under casing (1), its characterized in that: a driving mechanism (3) is fixedly connected between the two supporting bottom boxes (1), two linkage arms (4) are hinged to the inner walls of the two supporting bottom boxes (1), and the four linkage arms (4) are driven by the driving mechanism (3);

four linkage arm (4) are kept away from the one end of supporting under casing (1) all is connected with gear (5), four through the spacing rotation of bearing cooperation internal thread hole has all been seted up to the medial surface of gear (5), four gear (5) all have first threaded rod (6), four through internal thread hole threaded connection the equal fixedly connected with of lower surface of first threaded rod (6) supports clamp plate (7), the lower surface that supports clamp plate (7) supports and presses ground, four the equal fixedly connected with of upper surface that supports clamp plate (7) is spacing arm (8), four the upper end of spacing arm (8) runs through respectively in four linkage arm (4), four gear (5) are respectively through four drive mechanism (9) and respectively by four linkage arm (4) drive rotation.

2. The adjustable horizontal bar for physical training of claim 1, wherein: actuating mechanism (3) include second threaded rod (10) and two gag lever post (11), the both ends of second threaded rod (10) pass through the bearing cooperation respectively with two the spacing rotation of opposite side of supporting under casing (1) is connected, two the both sides of gag lever post (11) respectively with two support the opposite side fixed connection of under casing (1), the equal threaded connection in both ends of second threaded rod (10) has two internal thread cover pieces (12), two the both ends of internal thread cover piece (12) cup joint respectively two the lever arm of gag lever post (11), two the looks of back of the body side of internal thread cover piece (12) all articulates there are two linking arms (13), four linking arm (13) are kept away from the one end of second threaded rod (10) is respectively with four the outer wall of linkage arm (4) is articulated.

3. The adjustable horizontal bar for physical training of claim 2, wherein: the second threaded rod (10) is a double-threaded rod with external threads at two ends, and the thread directions of the two external threads are opposite to each other.

4. The adjustable horizontal bar for physical training of claim 1, wherein: drive mechanism (9) include spiral plate (14) and cover block (15), keep away from spiral plate (14) the one end of linkage arm (4) with the inner wall fixed connection who supports under casing (1), cover block (15) cup joint the surface of linkage arm (4), helicla flute (16) have been seted up on the surface of spiral plate (14), cover block (15) are close to one side fixedly connected with traveller (17) of spiral plate (14), traveller (17) are followed the spacing slip of cell wall of helicla flute (16), cover block (15) are close to one side fixedly connected with rack plate (18) of gear (5), rack plate (18) with gear (5) meshing is connected.

5. The adjustable horizontal bar for physical training of claim 2, wherein: two support arms (19) are fixedly connected between the two support bottom boxes (1) together, and the two support arms (19) are distributed in a front-rear axial symmetry mode by taking the second threaded rod (10) as a symmetry center.

6. The adjustable horizontal bar for physical training of claim 2, wherein: the middle part of the second threaded rod (10) is free of external threads, and anti-skid grains are formed in the middle part of the second threaded rod (10).