CN213347654U

CN213347654U - Pull-up auxiliary device

Info

Publication number: CN213347654U
Application number: CN202021931199.7U
Authority: CN
Inventors: 邓欣博; 张栋梁
Original assignee: PLA Army Academy of Artillery and Air Defense
Current assignee: PLA Army Academy of Artillery and Air Defense
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-06-04
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a pull-up auxiliary device, which comprises a bearing bottom plate, wherein supporting prism boxes are symmetrically arranged at the top of the bearing bottom plate in the left-right direction, a lifting threaded rod is rotationally connected between the upper side wall and the lower side wall of the inner cavity of the left supporting prism box, a slave bevel gear is fixedly connected to the outer wall of the lifting threaded rod, a main bevel gear is meshed from the left side of the bevel gear, a support shaft is fixedly connected to the left side of the main bevel gear, one end of the support shaft, which penetrates through the left side wall of the left supporting prism box, is fixedly connected with a lath, the upper end of the left side wall of the lath is screwed with a first limit pin, the inner cavity of the supporting prism box is connected with a bearing prism in a sliding way, a lever is fixedly connected to the top between the bearing prisms, displacement grooves matched with the lever are arranged at one side of the supporting prism boxes, which, the training difficulty and the fatigue strength of the human body are reduced, and the possibility of injury to the human body is reduced.

Description

Pull-up auxiliary device

Technical Field

The utility model relates to a physical training equipment technical field, concretely relates to chin auxiliary device.

Background

The pull-up is a comprehensive embodiment of the beauty and strength of arm gripping force, upper limb strength, back strength and waist and abdominal muscle strength of a human body, has a very key effect on improving the upper limb suspension strength and the gripping strength and is a basis for the action on the equal bar on the horizontal bar rolling.

The pull-up is an examination item with a large load, and can be completed only by overcoming the weight of the pull-up, and meanwhile, the lever used for pull-up is generally fixed in height from the ground, so that the difficulty is increased for training people with different heights and people with different levels, the fatigue strength of a human body can be increased after direct training, and injuries and diseases are easily caused to the body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, provide a chin auxiliary device, be convenient for highly effectively adjust the lever in vertical direction, be applicable to with the training of height crowd and different horizontally personnel, reduce the training degree of difficulty and human fatigue strength, reduce and cause the possibility of illness for personnel's health.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

a pull-up auxiliary device comprises a bearing bottom plate, supporting prism boxes are symmetrically arranged on the left and right of the top of the bearing bottom plate, an auxiliary jumping mechanism is arranged between two groups of supporting prism boxes, the auxiliary jumping mechanism is positioned at the top of the bearing bottom plate, a lifting threaded rod is rotatably connected between the upper side wall and the lower side wall of the inner cavity of the supporting prism box at the left side, a secondary bevel gear is fixedly connected to the bottom end of the outer wall of the lifting threaded rod, a main bevel gear is meshed with the left side of the secondary bevel gear, a supporting shaft is fixedly connected to the left side of the main bevel gear, the left end of the supporting shaft is connected with the left supporting prism box in a switching way, the left end of the supporting shaft penetrates through the left side wall of the left supporting prismatic box, one end of the supporting shaft penetrating through the left side wall of the left supporting prismatic box is fixedly connected with a lath, the upper end of the left side wall of the batten is in threaded connection with a first limiting pin, and the right end of the first limiting pin penetrates through the right side wall of the batten and is in threaded connection with the left supporting prism box;

two sets of the equal sliding connection of inner chamber of supporting prismatic box bears the weight of the prism, and bears prismatic threaded connection on the lifting threaded rod on the left side, and is two sets of bear the top rigid coupling between the prism and have the lever, two sets of one side that the prismatic box of support is pressed close to each other all sets up the displacement groove with lever matched with, and is two sets of bear one side that the prism was kept away from each other and has seted up first spacing jack from top to bottom equidistant respectively, and is two sets of one side symmetry that the prismatic box of support was kept away from each other is pegged graft and is had the second spacer pin, and the second spacer pin is.

Preferably, the auxiliary jumping mechanism comprises a bottom box, the bottoms of the left and right side walls of the bottom box are symmetrically and fixedly connected with limit slats, the top of the inner cavity of the bottom box is fixedly connected with a first check ring, the inner cavity of the first check ring is provided with a top box, the top of the top box penetrates through the top of the first check ring, the bottom of the outer side of the top box is fixedly connected with a second check ring, the second check ring is located at the bottom of the first check ring, an auxiliary jumping spring is uniformly and fixedly connected between the top of the inner cavity of the top box and the bottom of the inner cavity of the bottom box, and the auxiliary jumping is facilitated when people pull upwards through elastic telescopic adjustment of the auxiliary jumping spring.

Preferably, in the above auxiliary device for pull-up, the top box and the first retainer ring and the bottom box and the second retainer ring are in clearance fit, so that friction resistance is reduced, and the top box can be conveniently adjusted in an up-and-down movement manner.

Preferably, the aforesaid is arranged in chin auxiliary device, and is two sets of the outer wall bottom symmetry rigid coupling that supports prismatic box has C shape rectangular plate, the top of C shape rectangular plate and spacing slat all is provided with the bolt, and C shape rectangular plate and spacing slat all through bolt and bearing bottom plate looks rigid coupling, convenient to install and dismantle.

Preferably, the above-mentioned be arranged in pull-up auxiliary device, first spacer pin includes the screw thread end post, the left side of screw thread end post is provided with the hexagonal hand and twists the post, and the hexagonal hand is twisted post and screw thread end post formula forming structure as an organic whole, obtains easily, avoids the fracture of junction.

Preferably, in the above-mentioned auxiliary device for pull-up, the left side support the prismatic box left side wall lower extreme and offer the internal thread through-hole with screw thread end post matched with, the internal thread through-hole uses the back shaft to be the central axis and is annular array arrangement on the prismatic box of left support, is convenient for after the lath rotates the regulation, enables first spacer pin to twist and carries on spacingly in the internal thread through-hole.

Preferably, the aforesaid is arranged in chin auxiliary device, the second spacer pin includes the knob seat, the right side rigid coupling of knob seat has the post of inserting, the outer wall rigid coupling of inserting the post has the elastic sleeve, insert the post through elastic sleeve and first spacing jack interference fit, improve insert the post and bear the compactness when prismatic grafting, avoid inserting the not hard up of post in first spacing jack.

Preferably, the above-mentioned be arranged in pull-up auxiliary device, two sets of support prism box one side of keeping away from each other all seted up with insert post matched with second spacing jack, be convenient for tentatively support the grafting installation on prism box to the second spacer pin.

Preferably, in the above-mentioned auxiliary device that is arranged in chin, two sets of bear prismatic front and back both sides wall and all be provided with the direction sand grip, two sets of support prismatic box's inner chamber front and back both sides wall all seted up with direction sand grip matched with direction recess, be convenient for to the direction when bearing prismatic up-and-down slip in supporting prismatic box.

Preferably, in the above auxiliary device for pull-up, the bottom of the bearing bottom plate is provided with a non-slip pad, so as to increase the friction force between the bearing bottom plate and the supporting ground and improve the bearing stability of the bearing bottom plate.

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

the utility model has the advantages of reasonable design, it is first: through the sliding adjustment of the bearing prism in the supporting prism box, the screw connection matching of the bearing prism and the lifting threaded rod and the matching of the displacement groove, the lath, the supporting shaft, the main bevel gear and the auxiliary bevel gear, the height of the lever in the vertical direction can be effectively adjusted within an adjustable range, the lever is suitable for training of people with the same height and people with different levels, and the training difficulty and the human body fatigue strength are reduced;

secondly, the method comprises the following steps: the auxiliary jumping mechanism is used for elastically assisting jumping when people jump and elastically buffering when people fall to the ground, so that the people are protected, and the possibility of injury to the bodies of the people is reduced;

thirdly, the method comprises the following steps: through the grafting cooperation of second spacer pin and first spacing jack and the spiro union cooperation through first spacer pin and internal thread through-hole, be convenient for to bearing the weight of prismatic complete spacing in supporting prismatic box, stability when improving the lever use.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the structure of the utility model in use;

FIG. 2 is a schematic structural view of the jump assisting mechanism of the present invention;

fig. 3 is a schematic structural view of a first limit pin of the present invention;

fig. 4 is a schematic structural view of the use state of the internal thread through hole of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-bearing bottom plate, 2-supporting prism box, 3-auxiliary jumping mechanism, 301-limiting strip plate, 302-second retainer ring, 303-top box, 304-bottom box, 305-auxiliary jumping spring, 306-first retainer ring, 4-lifting threaded rod, 5-auxiliary bevel gear, 6-main bevel gear, 7-supporting shaft, 8-strip, 9-first limiting pin, 901-hexagonal hand-screwed column, 902-threaded end column, 10-bearing prism, 11-lever, 12-displacement groove, 13-first limiting jack, 14-second limiting pin, 1401-knob seat, 1402-inserted column and 15-C-shaped right-angle plate.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a pull-up assisting device comprises a load-bearing base plate 1, wherein support prism boxes 2 are symmetrically arranged on the top of the load-bearing base plate 1 from left to right, anti-slip pads are arranged on the bottom of the load-bearing base plate 1 to increase the friction force between the load-bearing base plate 1 and the supporting ground and improve the load-bearing stability of the load-bearing base plate 1, an auxiliary jumping mechanism 3 is arranged between two sets of support prism boxes 2, the auxiliary jumping mechanism 3 is located on the top of the load-bearing base plate 1, the auxiliary jumping mechanism 3 comprises a bottom box 304, the bottoms of the left and right side walls of the bottom box 304 are symmetrically and fixedly connected with limit strips 301, the top of the inner cavity of the bottom box 304 is fixedly connected with a first retaining ring 306, the inner cavity of the first retaining ring 306 is provided with a top box 303, the top of the top box 303 penetrates through the top of the first retaining ring 306, the bottom of the outer side of the top box 303 is fixedly connected with a second retaining ring 302, the second, the friction resistance is reduced, the top box 303 can be conveniently adjusted in an up-and-down movement manner, the auxiliary jumping springs 305 are uniformly and fixedly connected between the top of the inner cavity of the top box 303 and the bottom of the inner cavity of the bottom box 304, the jumping assisting effect when people pull upwards is facilitated through the elastic expansion adjustment of the auxiliary jumping springs 305, the C-shaped right-angle plates 15 are symmetrically and fixedly connected to the bottoms of the outer walls of the two groups of supporting prism boxes 2, the tops of the C-shaped right-angle plates 15 and the limiting strip plates 301 are respectively provided with bolts, the C-shaped right-angle plates 15 and the limiting strip plates 301 are fixedly connected to the bearing bottom plate 1 through bolts, the installation and the disassembly are convenient, the lifting threaded rod 4 is rotatably connected between the upper side wall and the lower side wall of the inner cavity of the left supporting prism box 2, the secondary bevel gear 5 is fixedly connected to the bottom end of the outer wall of the lifting threaded rod 4, the primary bevel gear, the left end of the supporting shaft 7 penetrates through the left side wall of the left supporting prism box 2, one end of the supporting shaft 7 penetrating through the left side wall of the left supporting prism box 2 is fixedly connected with a lath 8, the upper end of the left side wall of the lath 8 is in threaded connection with a first limiting pin 9, the right end of the first limiting pin 9 penetrating through the right side wall of the lath 8 is in threaded connection with the left supporting prism box 2, the first limiting pin 9 comprises a threaded end column 902, a hexagonal hand screwing column 901 is arranged on the left side of the threaded end column 902, the hexagonal hand screwing column 901 and the threaded end column 902 are of an integrated forming structure, the structure is easy to obtain and can avoid fracture of a joint, an internal thread through hole matched with the threaded end column 902 is formed in the lower end of the left side wall of the left supporting prism box 2, the internal thread through hole is arranged on the left supporting prism box 2 in an annular array by taking the supporting shaft 7 as a central axis, and after the lath 8 is adjusted, the inner cavities of the two groups of supporting prism boxes 2 are connected with bearing prisms 10 in a sliding manner, the bearing prism 10 on the left side is in threaded connection with the lifting threaded rod 4, the front side wall and the rear side wall of each group of supporting prism boxes 2 are provided with guide convex strips, the front side wall and the rear side wall of each inner cavity of each group of supporting prism boxes 2 are provided with guide grooves matched with the guide convex strips, so that the bearing prisms 10 can be guided when sliding up and down in the supporting prism boxes 2 conveniently, the top between the two groups of supporting prisms 10 is fixedly connected with a lever 11, the adjacent sides of the two groups of supporting prism boxes 2 are provided with displacement grooves 12 matched with the lever 11, the sides of the two groups of supporting prisms 10 far away from each other are respectively provided with first limiting jacks 13 at equal intervals from top to bottom, the mutually far sides of the two groups of supporting prism boxes 2 are symmetrically inserted with second limiting pins 14, the second limiting pins 14, the right side rigid coupling of knob seat 1401 has the post 1402 of inserting, the outer wall rigid coupling of post 1402 of inserting has the elastic sleeve, post 1402 of inserting passes through elastic sleeve and first spacing jack 13 interference fit, improve the compactness when inserting post 1402 and bearing prism 10 and pegging graft, avoid inserting the not hard up of post 1402 in first spacing jack 13, the spacing jack of post 1402 matched with second has all been seted up and has been inserted to one side that two sets of prismatic boxes 2 of supports were kept away from each other, be convenient for tentatively support the grafting installation on prismatic box 2 of support to second spacer pin 14.

One specific application of this embodiment is: the utility model has the advantages of reasonable design, it rotates on the prismatic box 2 of left support to drive back shaft 7 through clockwise or anticlockwise rotation lath 8, it rotates to drive main bevel gear 6 through back shaft 7, drive lifting threaded rod 4 through main bevel gear 6 and the meshing transmission from bevel gear 5 and rotate, through bearing prismatic 10 and lifting threaded rod 4's screw drive, and bear prismatic 10 and carry out the sliding adjustment in supporting prismatic box 2, thereby in adjustable range, be convenient for under the cooperation of displacement groove 12 to lever 11, carry out the ascending effective altitude mixture control of vertical side, be applicable to the training with height crowd and different horizontally personnel, reduce the training degree of difficulty and human fatigue strength, select bearing prismatic 10 after the sliding adjustment suitable first spacing jack 13, insert wherein through inserting post 1402 on the second spacer pin 14, twist post 901 through twisting hexagonal hand at lath 8 and make the screw thread end head post 902 get into on the prismatic box 2 of left support suitable position In the internal thread through-hole of putting, carry on spacing fixed to lath 8, thereby be convenient for to bear the weight of prismatic 10 complete spacing in supporting prismatic box 2, stability when improving lever 11 and using, personnel when taking off the jump and grabbing to lever 11, through the flexible effect of assisting jump spring 305 in jumping mechanism 3, it is spacing to block second retaining ring 302 through first retaining ring 306, make STB 303 reciprocate on end box 304, thereby carry out elasticity when playing the jump to personnel on STB 303 top and help the jump, and the springiness cushioning when personnel fall to the ground, protect personnel, reduce the possibility that causes the wound for personnel's health.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A pull-up aid comprising a load-bearing floor (1), characterized in that: the supporting prism boxes (2) are arranged on the top of the bearing bottom plate (1) in a bilateral symmetry mode, the auxiliary jumping mechanism (3) is arranged between the two groups of supporting prism boxes (2), the auxiliary jumping mechanism (3) is located on the top of the bearing bottom plate (1), a lifting threaded rod (4) is rotatably connected between the upper side wall and the lower side wall of an inner cavity of each supporting prism box (2) on the left side, a slave bevel gear (5) is fixedly connected to the bottom end of the outer wall of the lifting threaded rod (4), a master bevel gear (6) is meshed to the left side of the slave bevel gear (5), a supporting shaft (7) is fixedly connected to the left side of the master bevel gear (6), the left end of the supporting shaft (7) is connected with the left supporting prism box (2) in a switching mode, the left end of the supporting shaft (7) penetrates through the left side wall of the left supporting prism box (2), and a batten (8) is, the upper end of the left side wall of the batten (8) is in threaded connection with a first limiting pin (9), and the right end of the first limiting pin (9) penetrates through the right side wall of the batten (8) and is in threaded connection with the left supporting prism box (2);

two sets of the equal sliding connection of inner chamber of supporting prismatic box (2) bears prism (10), and bears prismatic (10) threaded connection on lifting screw rod (4) on the left side, and is two sets of bear top rigid coupling between prism (10) and have lever (11), and is two sets of support prismatic box (2) one side of pressing close to each other and all seted up displacement groove (12) with lever (11) matched with, two sets of bear prismatic (10) one side of keeping away from each other respectively top-down equidistant first spacing jack (13) of having seted up, and two sets of support prismatic box (2) one side symmetry grafting of keeping away from each other has second spacer pin (14), and second spacer pin (14) are pegged graft with first spacing jack (13) mutually.

2. A pull-up aid as claimed in claim 1, wherein: the auxiliary jumping mechanism (3) comprises a bottom box (304), wherein a limiting strip plate (301) is symmetrically and fixedly connected to the bottoms of the left side wall and the right side wall of the bottom box (304), a first check ring (306) is fixedly connected to the top of the inner cavity of the bottom box (304), the inner cavity of the first check ring (306) is provided with a top box (303), the top of the top box (303) penetrates through the top of the first check ring (306), a second check ring (302) is fixedly connected to the bottom of the outer side of the top box (303), the second check ring (302) is located at the bottom of the first check ring (306), and an auxiliary jumping spring (305) is uniformly and fixedly connected between the top of the inner cavity of the top box (303) and the bottom of the inner cavity.

3. A pull-up aid as claimed in claim 2, wherein: the top box (303) and the first retainer ring (306) are in clearance fit with each other, and the bottom box (304) and the second retainer ring (302) are in clearance fit with each other.

4. A pull-up aid as claimed in claim 1, wherein: two sets of the outer wall bottom symmetry rigid coupling of supporting prism box (2) has C shape right-angle plate (15), the top of C shape right-angle plate (15) and spacing slat (301) all is provided with the bolt, and C shape right-angle plate (15) and spacing slat (301) all through bolt and bearing bottom plate (1) looks rigid coupling.

5. A pull-up aid as claimed in claim 1, wherein: first spacer pin (9) are including screw thread end post (902), the left side of screw thread end post (902) is provided with hexagonal hand and screws post (901), and hexagonal hand screws post (901) and screw thread end post (902) formula forming structure as an organic whole.

6. A pull-up aid as claimed in claim 1, wherein: the left side support prismatic box (2) the left side wall lower extreme seted up with screw thread end post (902) matched with internal thread through-hole, the internal thread through-hole uses back shaft (7) to be the central axis and is annular array and arranges on the prismatic box (2) of left support.

7. A pull-up aid as claimed in claim 1, wherein: the second limiting pin (14) comprises a knob seat (1401), an inserting column (1402) is fixedly connected to the right side of the knob seat (1401), an elastic sleeve is fixedly connected to the outer wall of the inserting column (1402), and the inserting column (1402) is in interference fit with the first limiting jack (13) through the elastic sleeve.

8. A pull-up aid as claimed in claim 1, wherein: two sets of support prism box (2) one side of keeping away from each other all seted up with inserting post (1402) matched with spacing jack of second.

9. A pull-up aid as claimed in claim 1, wherein: two sets of bear the weight of the preceding and back both sides wall of prism (10) and all be provided with the direction sand grip, two sets of the inner chamber front and back both sides wall of support prism box (2) is all seted up with direction sand grip matched with direction recess.

10. A pull-up aid as claimed in claim 1, wherein: the bottom of the bearing bottom plate (1) is provided with an anti-skid pad.