CN213031750U

CN213031750U - Pull-up device

Info

Publication number: CN213031750U
Application number: CN202021903533.8U
Authority: CN
Inventors: 李峰
Original assignee: Yongkang Yuechi Technology Co ltd
Current assignee: Yongkang Yuechi Technology Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-04-23
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses a chin-raising device, aim at overcoming the still unsatisfactory problem of fastening effect among the prior art, it includes the whippletree, it all articulates on the whippletree has the supporting seat, the supporting seat has two fulcrums, two fulcrums on the supporting seat set up the both sides at the whippletree respectively, rotate the supporting seat, but horizontal distance grow between a fulcrum and the whippletree tip, it is provided with the callus on the sole to rotate on at least one fulcrum, when using this chin-raising device, along with user's weight increase, the fastening power of whippletree also grow, and callus on the sole and door frame or wall are fixed mutually, avoid callus on the sole and door frame or wall to take place slipping even the drop of chin-raising device, consequently this chin-raising device has the support reliable and stable, fastening power is along with user's weight increase and grow.

Description

Pull-up device

Technical Field

The utility model belongs to a fitness equipment, in particular to a pull-up device.

Background

The pull-up device is used as a fitness equipment which occupies a small space and is convenient to exercise, is also called as a horizontal bar on a door and mainly comprises a middle pipe, a left telescopic pipe, a right telescopic pipe, a screw rod and a fixing head. In order to make the pull-up device be able to better abut against the door frame, the horizontal bar on the door is generally provided with a structure for preventing the horizontal bar from loosening.

If grant number "CN 206381525U" discloses a horizontal bar on door, just include horizontal bar and fixed establishment, the end of horizontal bar is installed on the door frame through fixed establishment, fixed establishment includes door frame fixed block and telescopic link fixed block, the door frame fixed block has the inclined plane, the telescopic link fixed block also has the inclined plane of looks adaptation, when installing horizontal bar on the door frame with this door, when user's gripping is used on the horizontal bar, human gravity drives the horizontal bar and moves down, the inclined plane and the interference fit of door frame fixed block of telescopic link fixed block are in the same place, the door frame fixed block is increasingly big to the fastening power of door frame, and along with the increase of gravity, fastening power is also big more, the problem of falling down has been avoided the horizontal bar not hard up and has taken place.

However, the prior art is not perfect, the fastening effect of the telescopic rod and the door frame or the wall surface is still not ideal, and the use is not convenient enough.

SUMMERY OF THE UTILITY MODEL

For overcoming the problems of the prior art, the utility model provides a pull-up device with good fastening effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a chin ware, includes the whippletree, all articulates on the whippletree has the supporting seat, and the supporting seat has two fulcrums, and two fulcrums on the supporting seat set up respectively in the both sides of whippletree, rotate the supporting seat, but the horizontal distance grow between a fulcrum and the whippletree tip has at least to rotate on a fulcrum and is provided with the callus on the sole.

Preferably, the foot pad is hinged to the fulcrum, and the rotating direction of the foot pad is consistent with that of the supporting seat.

Preferably, foot pads are rotatably arranged on the supporting points.

Preferably, a second elastic piece is arranged between the foot pad and the supporting seat and used for automatically resetting the foot pad.

Preferably, the second elastic element is a bent plate spring, the second elastic element is fixedly arranged on the foot pad, and the supporting seat is inserted in the second elastic element.

Preferably, the support seat portion is fitted in the second elastic member.

Preferably, the second elastic member is integrally formed on the footpad.

Preferably, the foot pad is provided with anti-skid lines.

Preferably, a first elastic piece is arranged between the cross bar and the supporting seat, and the first elastic piece forces two supporting points on the supporting seat to be kept on two sides of the cross bar.

Preferably, the cross bar comprises a pipe body, a rod body is arranged in the pipe body in a sliding mode, the supporting seats are hinged to the rod body respectively, and a locking mechanism is arranged between the rod body and the pipe body and can fixedly arrange the rod body and the pipe body together.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

(1) when the pull-up device is used, the cross bar is transversely arranged in the door frame or between walls, two fulcrums on the supporting seat are respectively positioned at the upper side and the lower side of the cross bar, the two fulcrums are respectively supported on the door frame or the walls, so that the cross bar is fastened on the door frame or the walls, the two fulcrums and the cross bar at least form a three-point supporting structure, the supporting structure is stable and reliable, when a user pulls up on the cross bar, the cross bar is driven to move downwards, the fulcrums below the cross bar rotate upwards relative to the cross bar, the horizontal distance between the cross bar and the fulcrums is increased, the acting force between the fulcrums and the door frame or the walls is increased, along with the increase of the weight of the user, the displacement amount of the downward movement of the cross bar is also increased, the acting force between the fulcrums and the door frame or the walls is also increased, and the, The fastening force is increased along with the weight increase of the user, and the use is safe.

(2) When using this chin ware, the direct butt of callus on the sole is on door frame or wall, and when the whippletree moved down under user's action of gravity, the relative callus on the sole of supporting seat rotated, and callus on the sole and door frame or wall are fixed mutually, avoid callus on the sole and door frame or wall to take place to skid even the drop of chin ware, further improved the stability of support and the security of using.

(3) Be provided with the second elastic component between callus on the sole and the supporting seat, the second elastic component is used for the automatic re-setting callus on the sole, and after removing the external force, the callus on the sole automatic re-setting need not user's manual regulation callus on the sole, has made things convenient for the next use of this chin ware.

Drawings

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

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is a schematic structural view of the support base of the present invention;

fig. 4 is a schematic structural diagram of the mounting seat of the present invention;

FIG. 5 is a schematic view of the foot pad of the present invention;

in the figure: 1-horizontal bar, 2-supporting seat, 3-foot pad, 4-motor, 5-nut, 6-screw, 7-first rotating shaft, 8-second rotating shaft, 9-control switch, 11-tube body, 12-rod body, 13-mounting seat, 21-fulcrum, 22-second shaft hole, 23-third shaft hole, 24-first placing groove, 25-second placing groove, 31-second elastic element, 32-fourth shaft hole, 33-anti-skid grain, 131-first elastic element and 132-first shaft hole.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 5, a pull-up device comprises a cross bar 1, a support seat 2 is hinged on the cross bar 1, the support seat 2 is provided with two fulcrums 21, the two fulcrums 21 are respectively arranged at two sides of the cross bar 1, the support seat 2 is rotated, and the horizontal distance between one fulcrum 21 and the cross bar 1 can be increased.

When the pull-up device is used, the cross bar 1 is transversely arranged in a door frame or between walls, the two fulcrums 21 on the supporting seat 2 are respectively positioned at the upper side and the lower side of the cross bar 1, the two fulcrums 21 are respectively supported on the door frame or the walls, so that the cross bar 1 is fastened on the door frame or the walls, the two fulcrums 21 and the cross bar 1 at least form a three-point supporting structure, the supporting structure is stable and reliable, when a user pulls up on the cross bar 1, the cross bar 1 is driven to move downwards, the fulcrums 21 below the cross bar 1 rotate upwards relative to the cross bar 1, the horizontal distance between the cross bar 1 and the fulcrums 21 is increased, the acting force between the fulcrums 21 and the door frame or the walls is increased, and along with the increase of the weight of the user, the downward movement displacement of the cross bar 1 is also increased, the acting force between the fulcrums 21 and the door frame or the walls is also, Convenient use, stable and reliable support, increased fastening force along with the weight increase of a user and safe use.

The overall structure of the support seat 2 is axially symmetrical about the cross bar 1, and because the side wall or the wall of the door frame is a flat plane and the support seat 2 is in an axially symmetrical shape about the cross bar 1, the two fulcrums 21 of the support seat 2 can be stably supported on the door frame or the wall, and the supporting stability is further improved.

All articulated supporting seat 2 that has at the both ends of whippletree 1, the fulcrum 21 of a pair of supporting seat 2 constitutes the structure that four points supported at least, has further improved the reliable and stable of support to whippletree 1 is receiving user's weight effect, and the supporting seat 2 at whippletree 1 both ends all takes place to rotate, and the supporting seat 2 at whippletree 1 both ends plays the effect of dual fastening, has further improved the fastening effect of supporting seat 2.

Be provided with first elastic component 131 between supporting seat 2 and the whippletree 1, first elastic component 131 is used for automatic re-setting supporting seat 2, first elastic component 131 forces two fulcrums 21 to keep in the both sides of whippletree 1, after removing external force, supporting seat 2 automatic re-setting, need not user's manual regulation supporting seat 2, made things convenient for this chin to use next time to the ware, and first elastic component 131 still plays the absorbing effect of buffering, avoid whippletree 1 to move down fast and produce violent impact under user's action of gravity, the security and the travelling comfort of use have further been improved.

First elastic component 131 is crooked plate spring, and first elastic component 131 is transversal personally submits "U" style of calligraphy, and first elastic component 131 is fixed to be set up on whippletree 1, and supporting seat 2 is inserted and is established in first elastic component 131, and when supporting seat 2 rotated to the both sides of whippletree 1, first elastic component 131 all played the effect of restoring to the throne, and structural design is reasonable, the dismouting of being convenient for.

The supporting seat 2 is partially adapted in the first elastic element 131, and partial outer contour of the supporting seat 2 is consistent with the inner contour of the first elastic element 131, so that noise caused by vibration of the supporting seat 2 relative to the cross bar 1 is avoided, and the use comfort is improved.

The fixed mount pad 13 that is provided with on the whippletree 1, supporting seat 2 articulates on mount pad 13, and first elastic component 131 is integrative to be formed on mount pad 13, and first elastic component 131 and mount pad 13 adopt elastic plastic to make, have reduced spare part quantity, have reduced manufacturing cost.

The mounting seat 13 is provided with a first shaft hole 132, the supporting seat 2 is provided with a second shaft hole 22, the mounting seat further comprises a first rotating shaft 7, the first rotating shaft 7 penetrates through the first shaft hole 132 and the second shaft hole 22, and the supporting seat 2 can rotate around the first rotating shaft 7.

First arrangement groove 24 has been seted up on supporting seat 2, and mount pad 13 is inserted and is established in first arrangement groove 24 to mount pad 13 is the relative second shaft hole 22 axial fixity, thereby realizes that supporting seat 2 articulates on mount pad 13, and further improved the stability of supporting.

The at least one supporting point 21 is rotatably provided with a foot pad 3, the foot pad 3 is particularly hinged to the supporting point 21, the rotating direction of the foot pad 3 is consistent with that of the supporting seat 2, and particularly, the rotating direction of the foot pad 3 relative to the supporting seat 2 is consistent with that of the supporting seat 2 relative to the cross bar 1.

When using this chin ware, 3 direct butt of callus on the sole are on door frame or wall, and when whippletree 1 moved down under user's action of gravity, 2 relative callus on the sole of supporting seat 3 rotated, and callus on the sole 3 and door frame or wall are fixed mutually, avoid callus on the sole 3 and door frame or wall to take place to skid even the drop of chin ware, have further improved the stability of support and the security of using.

Be provided with second elastic component 31 between callus on the sole 3 and the supporting seat 2, second elastic component 31 is used for automatic re-setting callus on the sole 3, and after removing external force, 3 automatic re-setting of callus on the sole need not user's manual regulation callus on the sole 3, have made things convenient for the next use of this chin service.

Second elastic component 31 also is crooked leaf spring, and the cross section of second elastic component 31 also is "U" style of calligraphy, and second elastic component 31 is fixed to be set up on callus on the sole 3, and supporting seat 2 inserts and establishes in second elastic component 31, and when the both sides of the relative supporting seat 2 of callus on the sole 3 rotated, second elastic component 31 all can play the effect of resetting, and structural design is reasonable, the dismouting of being convenient for.

The supporting seat 2 is partially adapted in the second elastic element 31, and partial outer contour of the supporting seat 2 is consistent with the inner contour of the second elastic element 31, so that noise caused by vibration of the foot pad 3 relative to the supporting seat 2 is avoided, and the use comfort is improved.

The second elastic element 31 is integrally formed on the foot pad 3, and the first elastic element 131 and the mounting seat 13 are made of elastic plastics, so that the number of parts is reduced, and the production and manufacturing cost is reduced.

Third shaft hole 23 has been seted up on the supporting seat 2, fourth shaft hole 32 has been seted up on the callus on the sole 3, still includes second pivot 8, and third shaft hole 23 and fourth shaft hole 32 are worn to locate by second pivot 8, and callus on the sole 3 can rotate around second pivot 8.

The second mounting groove 25 has been seted up on supporting seat 2, and callus on the sole 3 inserts and establishes in second mounting groove 25 to callus on the sole 3 is the axial fixity of third shaft hole 23 relatively, thereby realizes that callus on the sole 3 articulates on supporting seat 2, and further improved the stability of support.

Be formed with anti-skidding line 33 on the callus on the sole 3, anti-skidding line 33's overall structure is the wave, and anti-skidding line 33 can with door frame or wall direct contact, further avoids callus on the sole 3 to take place to skid.

The horizontal bar 1 comprises a pipe body 11, a pipe body 12 is arranged in the pipe body 11 in a sliding mode, the pipe body 12 can slide along the length direction of the pipe body 11, the pipe body 12 slides, the pipe body 12 can stretch out of the pipe body 11 or shrink into the pipe body 11, a supporting seat 2 is hinged to the pipe body 12, specifically, an outer end of the pipe body 12 is fixedly arranged on the mounting seat 13, the supporting seat 2 is hinged to the mounting seat 13, a locking mechanism is arranged between the pipe body 12 and the pipe body 11, the locking mechanism can fixedly arrange the pipe body 12 and the pipe body 11 together, and therefore the length of the horizontal bar 1 is adjustable.

When using this chin ware, the length of whippletree 1 is adjustable, through the length of adjusting whippletree 1, makes things convenient for whippletree 1 tentatively to fasten on door frame or wall, has further made things convenient for the use.

The body of rod 12 is a pair of, and a pair of body of rod 12 symmetry sets up in body 11, and a pair of body of rod 12 can be respectively outwards stretched out or shrink at the both ends of body 11, has improved regulation efficiency, has further made things convenient for the use.

The locking mechanism comprises a ball screw and a motor 4, the motor 4 is fixedly arranged on the pipe body 11, the ball screw comprises a screw rod 6 and a nut 5, the nut 5 is fixedly arranged on the pipe body 12, the nut 5 is in threaded connection with the screw rod 6, the crankshaft of the motor 4 is in transmission connection with the screw rod 6, and the length direction of the screw rod 6 is consistent with that of the pipe body 11.

When adjusting this whippletree 1's length, through opening of control motor 4 and stopping, nut 5 can drive the body of rod 12 and stretch out or contract to body 11 outside to body 11 in, need not the manual regulation body of rod 12, and when motor 4 stop work, nut 5 and screw rod 6 are together fixed with motor 4's spindle to realize that locking mechanical system is in the same place body 11 and the fixed setting of body of rod 12, improved the degree of automation of product, further made things convenient for the use.

The body of rod 12 is also hollow, and motor 4 is fixed to be set up in body 11, and body 11 and the body of rod 12 are worn to locate by screw rod 6, have improved the compactness of structure.

The motor 4 is a double-shaft extension motor 4, the ball screws are a pair, the ball screws correspond to the rod bodies 12 one by one, the pair of nuts 5 are fixedly arranged on the pair of rod bodies 12 respectively, and the pair of screw rods 6 are connected to two ends of a crankshaft of the motor 4 in a transmission mode respectively.

The tube body 11 is further provided with a control switch 9, the control switch 9 is connected with the motor 4, and the control switch 9 is used for controlling the motor 4 to rotate forwards, reversely and stop.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a chin ware, includes whippletree (1), its characterized in that, all articulated on whippletree (1) have supporting seat (2), and supporting seat (2) have two fulcrums (21), and two fulcrums (21) on supporting seat (2) set up respectively in the both sides of whippletree (1), rotate supporting seat (2), but the horizontal distance grow between fulcrum (21) and whippletree (1) tip, rotate on at least one fulcrum (21) and be provided with callus on the sole (3).

2. A pull-up according to claim 1, characterised in that the foot pad (3) is hinged to the fulcrum (21), the direction of rotation of the foot pad (3) being the same as the direction of rotation of the support base (2).

3. A pull-up according to claim 1 or 2, characterized in that the foot pads (3) are rotatably arranged on the fulcrums (21).

4. A pull-up according to claim 1, characterized in that a second elastic member (31) is arranged between the foot pad (3) and the support base (2), the second elastic member (31) being adapted to automatically reposition the foot pad (3).

5. A pull-up according to claim 4, wherein the second elastic member (31) is a bent plate spring, the second elastic member (31) is fixedly arranged on the foot pad (3), and the support seat (2) is inserted into the second elastic member (31).

6. A pull-up according to claim 5, characterised in that the support seat (2) is partly fitted in the second resilient member (31).

7. A pull-up according to any one of claims 4-6, wherein the second resilient member (31) is integrally formed on the foot pad (3).

8. A pull-up according to claim 1, wherein the footpad (3) is formed with anti-slip threads (33).

9. A pull-up according to claim 1, characterised in that a first elastic member (131) is arranged between the bar (1) and the support (2), the first elastic member (131) forcing the two fulcrums (21) of the support (2) to be held on both sides of the bar (1).

10. A pull-up device according to claim 1, wherein the bar (1) comprises a tubular body (11), a rod body (12) is slidably arranged in the tubular body (11), the support seats (2) are respectively hinged on the rod body (12), and a locking mechanism is arranged between the rod body (12) and the tubular body (11) and can fix the rod body (12) and the tubular body (11) together.