CN210138408U

CN210138408U - Military sit-up board

Info

Publication number: CN210138408U
Application number: CN201920975231.2U
Authority: CN
Inventors: 贾明亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-03-13
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a sit-up board for military use, which comprises a body, the body mainly comprises service creeper and support, the equal fixed mounting in bottom of the left end of service creeper and support has the support column, the right-hand member of service creeper is connected with the fixed surface of support, the top fixed mounting of support has the chest expander, the left side of support surface is provided with the knee die-pin respectively and colludes the foot pole, knee die-pin fixed mounting is on the support. The utility model discloses a be provided with the regulating box on the support, the rotation that utilizes the handle to drive adjusting screw makes the movable block can reciprocate, and then can drive colludes the foot pole and reciprocate, thereby make people can use the height that needs to collude the foot pole to adjust according to self, and utilize interlock force fit lock nut between the screw cap on adjusting screw and the movable block to lock the position of movable block, avoid taking exercise in-process colluding the foot pole and take place to shift, moreover, the steam generator is simple in structure, and convenient operation.

Description

Military sit-up board

Technical Field

The utility model relates to a military exercise technical field specifically is a sit up board for military use.

Background

In the military exercise process, in order to exercise the health, sit up is an indispensable military exercise mode, and the sit-up plate is a fitness equipment designed for abdominal training, and the fitness equipment enables a user to use a correct mode, so that the lower abdomen is flat with half the effort, and the abdomen moves: let you make correct sit up, just forge into six to a big abdominal muscle that promptly, bend over the body and back, train your lower back muscle crowd, strengthen your back strength, avoid producing the situation of soreness of the waist back pain, bow hunchback to take place, lift the leg on back: the waist of a user is used for supporting, the user can do exercises aiming at muscles such as the upper abdomen, the thighs, the arms and the like, and the user can do the exercises frequently to strengthen the abdominal exercises.

However, existing sit-up boards have some drawbacks. For example, current sit-up board function is imperfect, can not adjust the high position of colluding the foot pole according to people's height difference, and the people that the height is not enough often can not normally use both feet to catch on colluding the foot pole, has certain inconvenience during the use. Therefore, we propose a sit-up board for military use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sit-up board for military use, through arranging an adjusting box on a bracket, the adjusting screw rod is driven by a handle to rotate so as to enable a movable block to move up and down and further drive a foot hooking rod to move up and down, thereby people can adjust the height of the foot hooking rod according to the use requirement of self height, and the position of the movable block is locked by the occluding force between the adjusting screw rod and a screw cap on the movable block and the locking nut, thereby avoiding the foot hooking rod from shifting in the exercise process, the structure is simple, the operation is convenient, through arranging a massage roller on a lying board, the back of people can continuously fluctuate when people do sit-up exercise, and further the massage roller on the lying board can rotate along with the movable block, thereby massaging the back of people, and reducing the back muscle fatigue of people when exercising by the massage roller, meanwhile, the chest developer can be matched with a chest developer to exercise, the using effect is improved, the functional diversity is improved, and the problem in the background art is solved.

In order to achieve the above object, the utility model provides a following technical scheme: a military sit-up board comprises a body, wherein the body mainly comprises a lying board and a support, a support column is fixedly mounted at the left end of the lying board and the bottom end of the support, the right end of the lying board is fixedly connected with the outer surface of the support, a chest expander is fixedly mounted at the top end of the support, a knee support rod and a foot hooking rod are respectively arranged at the left side of the outer surface of the support, the knee support rod is fixedly mounted on the support, the foot hooking rod is arranged at one side of an adjusting box, the adjusting box is fixedly mounted on the outer surface of the support, a movable block is arranged on the inner side wall of the adjusting box, the foot hooking rod is fixedly mounted on the left side surface of the movable block, the foot hooking rod penetrates through a channel formed in the left side surface of the adjusting box to extend out of the adjusting box, a threaded cap is clamped on the lower surface of the movable block, an adjusting screw rod is connected with the inner side wall of the threaded cap, the bottom welding of adjusting screw has the handle, the through-hole has been seted up on the service creeper, and the inside of through-hole is provided with a plurality of massage roller, massage roller fixed connection is at pivot b's surface, bearing b has all been cup jointed to the surface at pivot b both ends, and two bearing b symmetry joints are at the front and the back of through-hole inside wall, it has two support arms to go back fixed mounting on the service creeper.

As an embodiment of the present invention, the right side surface of the movable block is fixedly provided with a slider, the slider is slidably connected to the inner side wall of the sliding groove, and the sliding groove is arranged on the right side surface of the inner side wall of the adjusting box.

As a preferred embodiment of the utility model, adjusting screw's surface still threaded connection has lock nut, lock nut's upper surface and the lower surface laminating of adjusting box.

As a preferred embodiment of the utility model, the outer surfaces of the knee supporting rod and the foot hooking rod are all bonded with rubber sponge sleeves.

As an optimized embodiment of the utility model, adjusting screw's top and pivot an's top fixed connection, bearing an has been cup jointed to pivot a's surface, bearing a joint is at the upper surface of adjusting box inside wall.

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

the utility model discloses a sit up board for military use, through be provided with the regulating box on the support, the rotation that utilizes the handle to drive adjusting screw makes the movable block can reciprocate, and then can drive colludes the foot pole and reciprocate, thereby make people can use needs to highly adjust colluding the foot pole according to the height of self, and utilize interlock force fit lock nut between the screw cap on adjusting screw and the movable block to lock the position of movable block, avoid taking exercise in-process colluding the foot pole and take place to shift, moreover, the steam generator is simple in structure, and convenient for operation.

The utility model discloses a military sit-up board, through be provided with the massage roller on the service creeper, people are making the back fluctuation that can be continuous when getting up to take exercise of lying on the back, and then make the massage roller on the service creeper rotate thereupon, and then massage for people's back for people can utilize the massage roller to slow down back muscle excessively tired when taking exercise, can cooperate the chest expander to take exercise simultaneously, promote the result of use, perfect function diversity.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of the military sit-up board of the present invention;

FIG. 2 is a schematic view of the sectional structure of the adjusting box of the sit-up board for military use of the present invention;

fig. 3 is a schematic view of the top view structure of the lying board of the sit-up board for military use of the present invention.

In the figure: the device comprises a body 1, a lying plate 2, a support 3, a support 4, a knee supporting rod 5, a chest expander 6, an adjusting box 7, a foot hooking rod 8, a movable block 9, a threaded cap 10, an adjusting screw rod 11, a rotating shaft a12, a bearing a13, a handle 14, a locking nut 15, a sliding block 16, a massage roller 17, a rotating shaft b18, a bearing b19 and a supporting arm 20.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: a military sit-up board comprises a body 1, the body 1 mainly comprises a lying board 2 and a support 3, a support column 4 is fixedly arranged at the left end of the lying board 2 and the bottom end of the support 3, the right end of the lying board 2 is fixedly connected with the outer surface of the support 3, a chest expander 6 is fixedly arranged at the top end of the support 3, a knee support rod 5 and a foot hooking rod 8 are respectively arranged at the left side of the outer surface of the support 3, the knee support rod 5 is fixedly arranged on the support 3, the foot hooking rod 8 is arranged at one side of an adjusting box 7, the adjusting box 7 is fixedly arranged at the outer surface of the support 3, a movable block 9 is arranged on the inner side wall of the adjusting box 7, the foot hooking rod 8 is fixedly arranged at the left side surface of the movable block 9, the foot hooking rod 8 penetrates through a channel formed at the left side surface of the adjusting box 7 and extends out of the lower surface of the movable block 9 of the adjusting, adjusting screw 11's bottom is passed the screw hole that adjusting box 7 lower surface was seted up and is extended adjusting box 7, adjusting screw 11's bottom welding has handle 14, the through-hole has been seted up on service creeper 2, and the inside of through-hole is provided with a plurality of massage roller 17, massage roller 17 fixed connection is at the surface of pivot b18, bearing b19 has all been cup jointed to the surface at pivot b18 both ends, and two bearing b19 symmetry joints are at the front and the back of through-hole inside wall, it has two support arms 20 to go back fixed mounting on service creeper 2.

In this embodiment (please refer to fig. 2), a sliding block 16 is fixedly installed on the right side surface of the movable block 9, the sliding block 16 is slidably connected to the inner side wall of the sliding groove, and the sliding groove is formed in the right side surface of the inner side wall of the adjusting box 7, and the movable block 9 is limited by the sliding of the sliding block 16 in the sliding groove, so that the movable block 9 cannot rotate and is more stable when moving upwards or downwards under the driving of the adjusting screw 11.

In this embodiment (please refer to fig. 2), the outer surface of the adjusting screw 11 is further connected with a locking nut 15 through threads, the upper surface of the locking nut 15 is attached to the lower surface of the adjusting box 7, the adjusting screw 11 can be locked through the arranged locking nut 15, and the hooking rod 8 is prevented from shifting during the exercise process.

In this embodiment (see fig. 1), rubber sponge sleeves are bonded to the outer surfaces of the knee supporting rod 5 and the foot hooking rod 8, and the arrangement of the rubber sponge sleeves can prevent the knee supporting rod 5 and the foot hooking rod 8 from directly contacting with the body of a person and protect the person, so that the protection effect is good.

In this embodiment (please refer to fig. 2), the top end of the adjusting screw 11 is fixedly connected to the top end of the rotating shaft a12, the bearing a13 is sleeved on the outer surface of the rotating shaft a12, the bearing a13 is clamped on the upper surface of the inner side wall of the adjusting box 7, the rotating shaft a12 is used to rotate along with the adjusting screw 11, the rotating shaft a12 rotates in the bearing a13, and the adjusting screw 11 is further prevented from shaking when rotating.

It should be noted that the utility model relates to a military sit-up board, which comprises a body 1, a lying board 2, a support 3, a support column 4, a knee supporting rod 5, a chest expander 6, an adjusting box 7, a foot hooking rod 8, a movable block 9, a screw cap 10, an adjusting screw rod 11, a rotating shaft 12, a bearing 13, a handle 14, a locking nut 15, a sliding block 16, a massage roller 17, a rotating shaft b18, a bearing b19, a supporting arm 20, all of which are parts known by general standard parts or technical personnel in the field, the structure and principle of which can be known by technical manuals or by conventional test methods, when the military sit-up board is used, people lay the lying board 2, the knee supports the knee supporting rod 5 and hooks the two feet on the foot hooking rod 8, when the position of the foot hooking rod 8 is adjusted according to the use requirement, people unscrew the locking nut 15 to extrude the adjusting box 7, rotate handle 14 and drive adjusting screw 11 corotation or reversal, and then drive movable block 9 and upwards or move down, thereby can drive collude foot pole 8 and upwards or move down, realized colluding the regulation of foot pole 8 height, it makes its tight extrusion fixed to adjusting screw 11 on adjusting box 7 to tighten lock nut 15 after the regulation finishes, can cooperate chest expander 6 to take exercise when people do sit up, promote and temper the effect, massage roller 17 on the service creeper 2 can be along with people's back is continuous be close to and break away from service creeper 2 and rotate simultaneously, and then massage people's back, slow down back muscle fatigue excessively.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a sit up board for military use, includes body (1), its characterized in that: body (1) mainly comprises service creeper (2) and support (3), the equal fixed mounting in bottom of the left end of service creeper (2) and support (3) has support column (4), the right-hand member of service creeper (2) is connected with the external fixed surface of support (3), the top fixed mounting of support (3) has chest expander (6), the left side of support (3) surface is provided with knee die-pin (5) respectively and colludes foot pole (8), knee die-pin (5) fixed mounting is on support (3), collude foot pole (8) and set up the one side in regulation box (7), adjust the surface of box (7) fixed mounting in support (3), the inside wall of adjusting box (7) is provided with movable block (9), the left surface fixed mounting of movable block (9) has colludes foot pole (8), collude foot pole (8) and pass the passageway that adjustment box (7) left surface was seted up and extend and adjust box (7) the passageway of movable block (9) is adjusted box (7) the regulation box (7) of movable block (9) The lower surface joint has screw cap (10), the inside wall threaded connection of screw cap (10) has adjusting screw (11), the screw hole that adjusting box (7) lower surface was seted up is passed to the bottom of adjusting screw (11) extends adjusting box (7), the bottom welding of adjusting screw (11) has handle (14), the through-hole has been seted up on service creeper (2), and the inside of through-hole is provided with a plurality of massage roller (17), massage roller (17) fixed connection is at the surface of pivot b (18), bearing b (19) have all been cup jointed to the surface at pivot b (18) both ends, and two bearing b (19) symmetry joints at the front and the back of through-hole inside wall, it has two support arms (20) to go back fixed mounting on service creeper (2).

2. The sit-up board for military use of claim 1, wherein: the right flank fixed mounting of movable block (9) has slider (16), slider (16) sliding connection is at the inside wall of spout, and the right flank at regulating box (7) inside wall is seted up to the spout.

3. The sit-up board for military use of claim 1, wherein: the outer surface of the adjusting screw rod (11) is further connected with a locking nut (15) in a threaded mode, and the upper surface of the locking nut (15) is attached to the lower surface of the adjusting box (7).

4. The sit-up board for military use of claim 1, wherein: rubber sponge sleeves are bonded on the outer surfaces of the knee supporting rod (5) and the foot hooking rod (8).

5. The sit-up board for military use of claim 4, wherein: the top end of adjusting screw (11) and the top end fixed connection of pivot a (12), the surface of pivot a (12) has cup jointed bearing a (13), bearing a (13) joint is at the upper surface of adjusting box (7) inside wall.