CN210447985U

CN210447985U - Novel sit up board that has auxiliary force structure

Info

Publication number: CN210447985U
Application number: CN201921367677.3U
Authority: CN
Inventors: 曹韬政
Original assignee: JIMEI UNIVERSITY CHENGYI COLLEGE
Current assignee: JIMEI UNIVERSITY CHENGYI COLLEGE
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-05-05
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a novel sit up board with auxiliary force structure, which comprises a mainboard, the one end of mainboard is equipped with the support frame, open the side of going up of mainboard has the dead slot, and the inside of dead slot rotates and is connected with the roof, the downside of roof rotates and is connected with the connecting rod, the lower extreme and the slide bar rotation of sliding connection at the dead slot tank bottom of connecting rod are connected, the ejector pin interconnect of spring and sliding connection at the dead slot tank bottom is passed through to a side of slide bar, the downside fixedly connected with fixed block of ejector pin, the fixed block extends to the inside of the dead slot bottom-opening spout that has and is connected at the inside screw rod meshing of spout with rotating, the cell wall of spout is run through to the one end of screw rod and extends to the outside of mainboard, this device can play supplementary effect through the power that the roof pushed up, can.

Description

Novel sit up board that has auxiliary force structure

Technical Field

The utility model relates to a body-building apparatus technical field specifically is a novel sit up board that has auxiliary force structure.

Background

Body-building apparatus can let the health of people's better exercise, the structure of sit up board is comparatively simple in body-building apparatus, the price is also comparatively cheap, the sit up board is comparatively popularized now, but current sit up board is the position of the higher head in position of foot generally all lower, can play fine exercise effect to the crowd of frequent exercise like this, but like this when novice and some heavier users of weight are comparatively difficult when using the sit up board to carry out sit up, hardly reach better exercise effect, and current sit up board is because the slope is placed and is depositing occupation space relatively, for solving above-mentioned problem the utility model provides a novel sit up board that has the auxiliary force structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel sit up board that has auxiliary force structure to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel sit up board that has auxiliary force structure, includes the mainboard, the one end of mainboard is equipped with the support frame, open the side of going up of mainboard has the dead slot, and the inside rotation of dead slot is connected with the roof, the downside of roof rotates and is connected with the connecting rod, the lower extreme and the slide bar rotation of sliding connection at the dead slot tank bottom of connecting rod are connected, the ejector pin interconnect at the dead slot tank bottom is passed through spring and sliding connection in a side of slide bar, the downside fixedly connected with fixed block of ejector pin, the fixed block extends to the inside of the dead slot tank bottom some spouts of opening and is connected at the inside screw rod meshing of spout with rotating, the cell wall of spout is run through to the one end of screw rod and extends to the outside of mainboard.

Preferably, the mainboard is connected with the support frame rotation through opening some rotary groove on its one end face, open the inside of support frame has the draw-in groove, the inside sliding connection of draw-in groove has the square bar, open some square groove through the mainboard and extend to the outside and the fixedly connected with handle of mainboard in the outer end of square bar.

Preferably, a placing groove is formed in the lower side face of one end, close to the rotary groove, of the main plate.

Preferably, a gear groove is formed in one side groove wall of the empty groove, a pointer is fixedly connected to one end, close to the gear groove, of the ejector rod, an observation window is formed in the upper side groove wall of the gear groove, and a transparent plastic plate is fixedly connected to the inner portion of the observation window.

Preferably, a guide rail is fixedly connected between the groove walls at the two ends of the empty groove, the sliding rod and the ejector rod are both connected to the guide rail in a sliding manner, the spring is sleeved on the outer side of the guide rail, one end of the spring is fixedly connected with the sliding rod, and the other end of the spring is fixedly connected with the ejector rod.

Preferably, a baffle ring is fixedly connected to the wall of the empty groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a spring, cooperation between slide bar and the connecting rod, the spring can go the slide bar to one side top, the slide bar can be pushed up the roof through the connecting rod, thereby can push up the first half of human body and can reach the effect of province, can let the new hand can save partly strength when carrying out the sit up like this, can carry out many times sit up, thereby can reach fine exercise effect, and can be through the position of adjusting the ejector pin, adjust the jack-up dynamics of roof, can change the inside of standing groove with the support frame through the setting of turn trough and standing groove, thereby can save certain space when depositing.

Drawings

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

fig. 2 is a schematic view of the present invention in a folded state;

FIG. 3 is a schematic view of the connection between the push rod and the pointer of the present invention;

FIG. 4 is a schematic view of the internal structure of the empty tank of the present invention;

FIG. 5 is an enlarged view of the point A of FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the connection between the connecting rod and the connecting block of the present invention;

fig. 7 is an exploded view of the support frame and the main board of the present invention.

In the figure: 1. mainboard, 2, support frame, 3, dead slot, 4, pivot, 5, roof, 6, connecting rod, 7, slide bar, 8, spring, 9, ejector pin, 10, fixed block, 11, spout, 12, screw rod, 13, guide rail, 14, gear groove, 15, pointer, 16, observation window, 17, connecting block, 18, spread groove, 19, rotary groove, 20, connecting axle, 21, draw-in groove, 22, square bar, 23, square groove, 24, handle, 25, standing groove, 26, fender ring.

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. 1-7, the present invention provides a technical solution: a novel sit-up board with an auxiliary force structure comprises a main board 1, wherein one end of the main board 1 is provided with a support frame 2, the support frame 2 can play a role of supporting the main board 1, and meanwhile, the support frame 2 can be hooked by legs when sit-up is carried out, so that the sit-up action is more standard, the upper side surface of the main board 1 is provided with a hollow groove 3, the inside of the hollow groove 3 is rotatably connected with a top board 5, one end of the top board 5 is internally and fixedly connected with a rotating shaft 4, the rotating shaft 4 is rotatably connected between two side groove walls at one end of the hollow groove 3, so that the top board 5 can rotate at the notch of the hollow groove 3 (as shown in figure 1), a rubber pad is fixedly connected on the outer side surface of the top board 5, a user can feel more comfortable, the lower side surface of the top board 5 is rotatably connected with a connecting rod 6, the lower side surface of the, the lower end of the connecting rod 6 is rotatably connected with a sliding rod 7 which is slidably connected with the bottom of the hollow groove 3, the middle part of the sliding rod 7 is provided with a connecting groove 18, the lower end of the connecting rod 6 extends into the connecting groove 18 and is rotatably connected between the groove walls at two sides of the connecting groove 18, one side surface of the sliding rod 7 is mutually connected with a mandril 9 which is slidably connected with the bottom of the hollow groove 3 through a spring 8, one side surface of the sliding rod 7, far away from the support frame 2, is fixedly connected with the spring 8, when the mandril 9 slides towards the direction of the sliding rod 7, the sliding rod 7 is jacked open by the spring 8, at the moment, the top plate 5 is jacked open by the connecting rod 6, when a person lies on the top plate 5, the top plate 5 is pressed downwards, at the moment, the connecting rod 6 compresses the spring 8 through the sliding rod 7, when the person gets up, the spring 8 jacks the top plate 5, the larger the ejecting amplitude of the top plate 5 is, the larger the auxiliary force generated at the same time is, the fixed block 10 is fixedly connected to the lower side surface of the ejector rod 9, the fixed block 10 extends to the inside of the sliding groove 11 formed in the groove bottom of the hollow groove 3 and is connected with the screw 12 connected to the inside of the sliding groove 11 in a meshing manner, one end of the screw 12 penetrates through the groove wall of the sliding groove 11 and extends to the outside of the main board 1, one end of the screw 12, far away from the support frame 2, penetrates through the groove wall of the sliding groove 11, the screw 12 is convenient to rotate, and the position of the ejector rod.

Particularly, mainboard 1 rotates with support frame 2 through opening some rotary groove 19 on its one end face and is connected, and support frame 2 rotates the inside of connecting at rotary groove 19 through fixedly connected with connecting axle 20 on its terminal surface that is located rotary groove 19 inside, open the inside of support frame 2 has draw-in groove 21, the inside sliding connection of draw-in groove 21 has square pole 22, the shape and the size of draw-in groove 21 and square groove 23 all with square pole 22 shape and size looks adaptation, when draw-in groove 21 and square pole 22 joint each other under the effect of square groove 23 support frame 2 can not rotate at will, square pole 22's outer end is passed through square groove 23 of opening on mainboard 1 and is extended to mainboard 1's outside and fixedly connected with handle 24, can pull square pole 22 through handle 24 and make it break away from the joint with draw-in groove 21, can rotate support frame 2 this moment.

Specifically, the lower side of the main board 1 near the end of the rotary slot 19 is provided with a placement slot 25, and the placement slot 25 can give way to the support frame 2 (as shown in fig. 2).

Specifically, open on one side cell wall of dead slot 3 has gear groove 14, and the one end fixedly connected with pointer 15 that ejector pin 9 is close to gear groove 14, is carved with the scale on gear groove 14's the downside cell wall, and the initiating terminal of scale mark is located the one end that gear groove 14 is close to support frame 2, and the termination end is located the one end that support frame 2 was kept away from to gear groove 14, supports 15 directional scale (the unit of scale is N), can read the scale through pointer 15 to can know the jack-up dynamics of roof 5, it has observation window 16 to open on gear groove 14's the upside cell wall, and the inside fixedly connected with transparent plastic board of observation window 16, can observe the position of pointer 15 through observation window 16, thereby read data.

Particularly, fixedly connected with guide rail 13 between the both ends cell wall of dead slot 3, slide bar 7 and the equal sliding connection of ejector pin 9 are on guide rail 13, and slide bar 7 and the inside slip at dead slot 3 that ejector pin 9 is more stable can be made to the setting of guide rail 13, spring 8 cup joints the outside at guide rail 13, and spring 8's one end and slide bar 7 fixed connection, the other end and ejector pin 9 fixed connection, and spring 8 cup joints the work that can make spring 8 more stable in the outside of guide rail 13.

Specifically, a baffle ring 26 is fixedly connected to a wall of the empty groove 3, and the baffle ring 26 can provide a certain supporting effect for the top plate 5, so that the top plate cannot move completely into the empty groove 3.

The working principle is as follows: when the folding table is used, the support frame 2 is hooked by feet, the upper half of the body lies on the main board 1 and then can move, when the top plate 5 needs to be assisted, the screw rod 12 rotates clockwise, the screw rod 12 drives the ejector rod 9 to move towards the direction of the slide rod 7, at the moment, the slide rod 7 jacks up the top plate 5 through the connecting rod 6 under the action of the spring 8, so that the top plate 5 can play a role of assistance, when the jacking force of the top plate 5 needs to be adjusted, the roof can be achieved by rotating the screw rod 12 (the jacking force of the top plate 5 can be increased by rotating the screw rod 12 clockwise, the jacking force of the top plate 5 can be decreased by rotating the screw rod 12 anticlockwise), when the storage is needed, the square rod 22 can be pulled by the handle 24 to be separated from the clamping groove 21 in a clamping manner, at the moment, the support frame 2 can be rotated, when the support frame 2 is rotated, then make square pole 22 and draw-in groove 21 resume the joint again and let the fixed rotation of angle of support frame 2 not (draw-in groove 21 can just in time coincide with square groove 23 when support frame 2 is supporting this device or is being located standing groove 25 inside, makes square pole 22 can just in time carry out the joint with draw-in groove 21), accomplishes folding this moment promptly, just can accomodate.

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 novel sit up board that has auxiliary force structure, includes mainboard (1), its characterized in that: one end of the main board (1) is provided with a supporting frame (2), the upper side surface of the main board (1) is provided with a hollow groove (3), and the inside of the empty groove (3) is rotationally connected with a top plate (5), the lower side surface of the top plate (5) is rotationally connected with a connecting rod (6), the lower end of the connecting rod (6) is rotationally connected with a slide rod (7) which is connected with the bottom of the empty groove (3) in a sliding way, one side surface of the slide bar (7) is connected with a mandril (9) which is connected with the bottom of the empty groove (3) in a sliding way through a spring (8), the lower side surface of the ejector rod (9) is fixedly connected with a fixed block (10), the fixed block (10) extends to the inside of a sliding groove (11) formed at the bottom of the empty groove (3) and is meshed and connected with a screw rod (12) rotatably connected to the inside of the sliding groove (11), one end of the screw rod (12) penetrates through the groove wall of the sliding groove (11) and extends to the outside of the main plate (1).

2. The novel sit-up board with auxiliary force structure as claimed in claim 1, wherein: mainboard (1) is connected with support frame (2) rotation through opening some rotary groove (19) on its one end face, open the inside of support frame (2) has draw-in groove (21), the inside sliding connection of draw-in groove (21) has square bar (22), the outside and the fixedly connected with handle (24) that the square groove (23) that open some on the outer end of square bar (22) passes through mainboard (1) extend to mainboard (1).

3. The novel sit-up board with auxiliary force structure as claimed in claim 2, wherein: a placing groove (25) is formed in the lower side face of one end, close to the rotary groove (19), of the main board (1).

4. The novel sit-up board with auxiliary force structure as claimed in claim 1, wherein: a gear groove (14) is formed in the groove wall on one side of the empty groove (3), a pointer (15) is fixedly connected to one end, close to the gear groove (14), of the ejector rod (9), an observation window (16) is formed in the groove wall on the upper side of the gear groove (14), and a transparent plastic plate is fixedly connected to the inner portion of the observation window (16).

5. The novel sit-up board with auxiliary force structure as claimed in claim 1, wherein: fixedly connected with guide rail (13) between the both ends cell wall of dead slot (3), equal sliding connection is on guide rail (13) in slide bar (7) and ejector pin (9), spring (8) cup joint in the outside of guide rail (13), and the one end and slide bar (7) fixed connection of spring (8), the other end and ejector pin (9) fixed connection.

6. The novel sit-up board with auxiliary force structure as claimed in claim 1, wherein: and a baffle ring (26) is fixedly connected to the wall of the empty groove (3).