CN113730875B - Lower limb strength training device with protection function for rehabilitation department - Google Patents

Abstract

The invention relates to the technical field of lower limb strength training, in particular to a lower limb strength training device with a protection function for the rehabilitation department. The invention is provided with the limiting groove, the clamping groove and the limiting rod, so that the motion track of the pushing sleeve can be limited by using the limiting groove and the limiting rod, and meanwhile, the clamping groove which is obliquely arranged and the oblique direction are downward, so that the pushing sleeve and the pushing plate can be integrally moved under the condition of force removal in the process of pedaling a patient, and the pushing sleeve does not need to be reset when the patient is separated from the device, namely, the situation that the patient is secondarily injured due to the reset pushing sleeve after the patient is separated is avoided.

Description

Lower limb strength training device with protection function for rehabilitation department

Technical Field

The invention relates to the technical field of lower limb strength training, in particular to a lower limb strength training device with a protection function for a rehabilitation department.

Background

The lower limb is a multi-layer sheath-shaped part formed by bones, muscles, vascular nerves, superficial fascia, deep fascia and skin. It can be divided into shallow and deep two-layer structure. The superficial structure is composed of the skin and superficial fascia, and there are abundant superficial veins, lymphatic vessels, and cutaneous nerves in the superficial fascia. The deep structure is composed of deep fascia, muscle, blood vessels, nerves and bone, and forms several important local structures and local core structures with the blood vessel nerves and their paths.

The major nerves of the lower limb are the sciatic, tibial and common peroneal nerves. When sciatic nerve injury is mostly seen in hip joint dislocation, the symptoms are that muscles of a knee flexor, a calf and a foot are paralyzed, sensation of the rear side of a thigh, the outer side of the calf and the foot are lost, at present, after a nerve-injured patient is subjected to surgical treatment, the nerve needs a certain time to recover, the nerve discharges the severity of self injury in the process of postoperative recovery, the important thing is nutrition supplement and proper exercise, wherein a foot stepping continuous rotating type can be selected for recovering the nerve function of the leg in the initial stage of the exercise, a pedaling force device for exercising the leg strength can be selected for recovering the strength in the later stage, the traditional pedaling force device has no midway retention function in the process of stress rising or falling, so that the patient needs to perform a group of rising and falling actions for recovering the weight plate in the training process, although the weight plate used by the patient is generally light, the leg nerve of the patient is weak, once the patient generates sudden force loss, the patient still needs to perform a certain descending stroke for recovering the weight plate to recover, and the nerve of the patient easily causes secondary damage to the nerve of the leg.

Disclosure of Invention

The invention aims to provide a lower limb strength training device with a protection function for rehabilitation departments, and aims to solve the problems that a traditional pedaling device provided in the background art is not provided with a weight plate with a midway detention function in the process of being stressed to rise or fall, so that a patient needs to perform a group of rising and falling actions to reset the weight plate during training, the weight plate used by the patient is generally light, but leg nerves of the patient are fragile, once the patient suddenly takes off force, the patient still needs to perform a certain descending stroke to reset the weight plate, the nerves of the leg of the patient are easily damaged secondarily in the process, the risk of the training staff is increased, and the protection effect of the device on the patient is still insufficient.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a recovered branch of academic or vocational study is with low limbs strength training device that has protect function, includes the device main part, the device main part includes the support frame, and the quantity of support frame is two, two one side that the support frame is close to each other is connected with the connecting plate, and the left side the one end of support frame is equipped with the main tributary fagging, one side of main tributary fagging is equipped with the assistance backup pad, one side of assistance backup pad is equipped with the position of sitting board, the one end of assistance backup pad has cup jointed the fixed plate through the pivot, the one end of position of sitting board is equipped with by the seat, the promotion cover has been cup jointed in the assistance backup pad, one side fixed mounting of promotion cover has the slurcam, the spacing groove has been seted up in the assistance backup pad, the screens groove has evenly been seted up to the inner wall one side of spacing groove, movable mounting has the gag lever in the spacing groove, and the both sides of gag lever are all connected on the internal surface of promotion cover, be equipped with counter weight mechanism on the slurcam, and the quantity of counter weight mechanism is three.

Preferably, the left side the support frame is connected through the pivot with the main tributary fagging, the connecting strip has been cup jointed through the pivot to the one end of main tributary fagging, and the opposite side of connecting strip links to each other through pivot and supplementary backup pad, the spout has been seted up on the connecting plate, slidable mounting has the slide in the spout, and position of sitting board and fixed plate connect on the slide, one side of slide is equipped with fixed establishment, fixed establishment includes the fixed block, the fixed block is connected on the slide, first block hole has been seted up on the fixed block, second block hole has evenly been seted up on the spout inner wall of spout one end, the lag has been cup jointed on the fixed block in the first block hole, the block pole has been inserted in the first block hole, and the one end of block pole extends to in the second block hole, the one end fixed mounting of block pole has the block ring, the one end of position of sitting board is equipped with adjustment mechanism.

Preferably, one end of the sliding plate, which is close to the sliding groove, is provided with three rolling grooves, and the inner walls of the three rolling grooves are sleeved with rollers through bearings.

Preferably, the counterweight mechanism comprises a mounting ring, the mounting ring is connected to the pushing plate, a rubber ring is embedded in the mounting ring, a rubber rod is fixedly mounted at one end of the rubber ring, and a rubber weighting ring is movably sleeved on the outer side of the rubber rod.

Preferably, adjustment mechanism includes the locating plate, the locating plate is connected on the position of sitting board, it is connected through pivot and position of sitting board to lean on the seat, the one end of locating plate is equipped with the position ring board, and the quantity of position ring board is two, two the transfer line has all been cup jointed through the pivot to the one end of position ring board, and the other end of transfer line is connected on leaning on the seat through the pivot, one side of leaning on the seat is equipped with complementary unit.

Preferably, fixed mounting has the mounting bracket on the locating plate, and the quantity of mounting bracket is two, the left side has cup jointed the screw rod through the bearing on the mounting bracket, and the one end of screw rod extends through the right side mounting bracket, the one end fixed mounting of screw rod has the handle, two the thread bush has been cup jointed in the activity on the screw rod of mounting bracket inboard, and the connection of retaining ring board is sheathe in the thread bush.

Preferably, the complementary unit includes supplementary cover, supplementary cover is connected on leaning on the seat, the inside of supplementary cover has inserted the auxiliary rod, the one end of auxiliary rod is adjusted there is the back-up plate, and the quantity of back-up plate is two, two the first fagging has been cup jointed on the auxiliary rod of back-up plate one end.

Preferably, first movable hole has all evenly been seted up to the both sides of supplementary cover, the second movable hole has evenly been seted up to the both sides of auxiliary rod, the top insert the bolt in first movable hole and the top second movable hole, the nut has been cup jointed in the activity of the one side of bolt, all fixed mounting has the assistance to prop the cover, two on the seat by on supplementary cover two sides lean on the seat all fixed mounting have the assistance to prop the cover all inserted in the assistance propping cover and assist the vaulting pole, and assist the vaulting pole and connect on two back faggings.

Compared with the prior art, the invention has the beneficial effects that:

1. through being provided with the spacing groove, screens groove and gag lever post, it can be spacing to the movement track of pushing away the cover to utilize spacing groove and gag lever post like this, utilize the screens groove that the slope was seted up simultaneously, and the incline direction is down, thereby make the patient step on the in-process of lifting, can be with pushing away cover and slurcam global movement under the circumstances of taking off the power, thereby make the patient need not to restore to the throne the pushing away cover when breaking away from the device, avoid the patient to lead to the fact the secondary injured condition because of restoring to the throne the pushing away cover after breaking away from promptly, let this device better to patient's protecting effect, reduce the emergence that the patient used this device and unexpected injured condition, make the security of this device better, the screens groove of slope form can make its fixed effect to the gag lever post better in addition, avoid producing the vibration and lead to pushing away from the cover suddenly when the patient breaks away from this device, let this device have hommization more.

2. Through being provided with fixed plate, spout, slide and fixed establishment, make like this that each position inclination through the pivot is connected can change, thereby make this device can adjust to different inclination when to different patients, and then make the patient can use the angle that is most suitable for oneself to train, uncomfortable sense when having reduced the patient training lets the suitability reinforcing of this device, all indirectly reduced the patient simultaneously because the angle is improper when using this device and caused the possibility of secondary injury.

3. Through being provided with locating plate, position ring board and transfer line, make like this by the inclination of seat can obtain changing to make the patient can do the adaptation regulation to the inclination of leaning on the seat after having adjusted the inclination of assisting the backup pad, further promoted the comfort of patient when using this device, let simultaneously lean on seat and assist the backup pad can more adaptation, further promoted the humanized design of this device.

Drawings

FIG. 1 is a left side perspective view from above of the present invention;

FIG. 2 is a right side perspective view of the structure of the present invention from above;

FIG. 3 is an exploded perspective view of the structure of the present invention;

FIG. 4 is a schematic sectional view of a push sleeve according to the present invention;

FIG. 5 is a bottom perspective view of the slider structure of the present invention;

FIG. 6 is a schematic top perspective view of the fixing mechanism of the present invention;

FIG. 7 is a schematic top perspective view of the counterweight mechanism of the present invention;

FIG. 8 is a schematic top perspective view of an adjustment mechanism according to the present invention;

fig. 9 is a side view partially sectioned isometric view of the auxiliary mechanism of the present invention.

In the figure: 1. a device main body; 110. a support frame; 111. a main supporting plate; 112. an auxiliary support plate; 113. a sitting posture plate; 114. a seat plate; 115. a fixing plate; 116. a push sleeve; 117. a push plate; 118. a limiting groove; 119. a clamping groove; 120. a limiting rod; 121. a chute; 122. a slide plate; 123. rolling a groove; 124. a drum; 125. a connecting strip; 126. a connecting plate; 2. a fixing mechanism; 210. a fixed block; 211. a first engaging hole; 212. a second engaging hole; 213. a protective sleeve; 214. a clamping rod; 215. clamping a ring; 3. a counterweight mechanism; 310. a mounting ring; 311. a rubber ring; 312. a rubber rod; 313. a rubber weight increasing ring; 4. an adjustment mechanism; 410. positioning a plate; 411. positioning the ring plate; 412. a transmission rod; 413. a mounting frame; 414. a screw; 415. a handle; 416. a threaded sleeve; 5. an auxiliary mechanism; 510. an auxiliary sleeve; 511. an auxiliary lever; 512. a back support plate; 513. a head supporting plate; 514. a first movable hole; 515. a second movable hole; 516. a bolt; 517. a nut; 518. auxiliary supporting sleeves; 519. and an auxiliary stay bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, an embodiment of the present invention is shown:

a lower limb strength training device with a protection function for a rehabilitation department comprises a device main body 1, wherein the device main body 1 comprises two support frames 110, the number of the support frames 110 is two, one side, close to each other, of the two support frames 110 is connected with a connecting plate 126, one end of the left support frame 110 is provided with a main support plate 111, one side of the main support plate 111 is provided with an auxiliary support plate 112, one side of the auxiliary support plate 112 is provided with a sitting plate 113, one end of the auxiliary support plate 112 is sleeved with a fixing plate 115 through a rotating shaft, one end of the sitting plate 113 is provided with a leaning seat plate 114, the auxiliary support plate 112 is sleeved with a push sleeve 116, one side of the push sleeve 116 is fixedly provided with a push plate 117, the auxiliary support plate 112 is provided with a limiting groove 118, one side of the inner wall of the limiting groove 118 is uniformly provided with a clamping groove 119, a limiting rod 120 is movably arranged in the limiting groove 118, two sides of the limiting rod 120 are connected to the inner surface of the push sleeve 116, the push plate 117 is provided with a counterweight mechanism 3, the number of the counterweight mechanisms 3 is three, so that the motion track of the pushing sleeve 116 can be limited by utilizing the limiting groove 118 and the limiting rod 120, meanwhile, the clamping groove 119 formed in an inclined manner is utilized, and the inclined direction faces downwards, so that the pushing sleeve 116 and the pushing plate 117 can be integrally moved under the condition of force removal in the process of pedaling by a patient, so that the pushing sleeve 116 does not need to be reset when the patient is separated from the device, namely, the situation that the patient is secondarily injured due to the reset of the pushing sleeve 116 after being separated is avoided, the protection effect of the device on the patient is better, the accidental injury of the patient caused by using the device is reduced, the safety of the device is better, in addition, the inclined clamping groove 119 can ensure that the fixing effect on the limiting rod 120 is better, and the situation that the pushing sleeve 116 is suddenly separated due to vibration when the patient is separated from the device is avoided, the device is more humanized.

Further, the left support frame 110 and the main support plate 111 are connected through a rotating shaft, one end of the main support plate 111 is sleeved with a connecting strip 125 through the rotating shaft, the other side of the connecting strip 125 is connected with the auxiliary support plate 112 through the rotating shaft, a sliding groove 121 is formed in the connecting plate 126, a sliding plate 122 is slidably mounted in the sliding groove 121, a sitting posture plate 113 and a fixing plate 115 are connected to the sliding plate 122, one side of the sliding plate 122 is provided with a fixing mechanism 2, the fixing mechanism 2 comprises a fixing block 210, the fixing block 210 is connected to the sliding plate 122, a first clamping hole 211 is formed in the fixing block 210, a second clamping hole 212 is uniformly formed in the inner wall of the sliding groove 121 at one end of the sliding groove 121, a protective sleeve 213 is sleeved on the fixing block 210 outside the first clamping hole 211, a clamping rod 214 is inserted into the first clamping hole 211, one end of the clamping rod 214 extends into the second clamping hole 212, a clamping ring 215 is fixedly mounted at one end of the clamping rod 214, one end of the plate 113 is provided with an adjusting mechanism 4, so that the inclination angle connected through the rotating shaft can be changed, thereby enabling the device to be adjusted to be different inclination angles when being used for different patients, and further enabling the patients to use the device to be suitable for carrying out secondary training, and reducing the secondary injuries of the patients when the secondary injuries of the secondary patients, which is used for indirectly training.

Furthermore, a rolling groove 123 is formed in one end, close to the sliding groove 121, of the sliding plate 122, the number of the rolling grooves 123 is three, and the inner walls of the three rolling grooves 123 are sleeved with the roller 124 through a bearing, so that friction resistance between the sliding plate 122 and the sliding groove 121 when the sliding plate 122 moves is reduced by rolling of the clamping rod 214, and a worker can adjust the device.

Further, the counterweight mechanism 3 comprises a mounting ring 310, the mounting ring 310 is connected to the pushing plate 117, a rubber ring 311 is embedded in the mounting ring 310, a rubber rod 312 is fixedly mounted at one end of the rubber ring 311, and a rubber weighting ring 313 is movably sleeved on the outer side of the rubber rod 312, so that the rubber weighting rings 313 in different numbers are sleeved on the rubber ring 311 to change the overall counterweight of the pushing plate 117, meanwhile, the rubber material can reduce impact damage when the rubber weighting rings 313 accidentally drop, and friction resistance between the rubber weighting rings 313 and the mounting ring 310 can be increased.

Further, adjustment mechanism 4 includes locating plate 410, locating plate 410 is connected on position of sitting board 113, lean on seat 114 to be connected through pivot and position of sitting board 113, the one end of locating plate 410 is equipped with locating ring board 411, and the quantity of locating ring board 411 is two, the one end of two locating ring boards 411 has all cup jointed the transfer line 412 through the pivot, and the other end of transfer line 412 is connected on leaning on seat 114 through the pivot, one side of leaning on seat 114 is equipped with complementary unit 5, make like this and lean on obtaining that the inclination of seat 114 can change, thereby make the patient can do the adaptation and adjust to leaning on seat 114's inclination after adjusting the inclination of assisting backup pad 112, further promoted the comfort of patient when using this device, let simultaneously lean on seat 114 and assist backup pad 112 can more adaptation, further promoted the humanized design of this device.

Further, the positioning plate 410 is fixedly provided with two mounting frames 413, the number of the mounting frames 413 is two, the left mounting frame 413 is sleeved with a screw 414 through a bearing, one end of the screw 414 extends through the right mounting frame 413, one end of the screw 414 is fixedly provided with a handle 415, a threaded sleeve 416 is movably sleeved on the screw 414 on the inner side of the two mounting frames 413, and the positioning ring plate 411 is connected to the threaded sleeve 416, so that the adjustment effect of the transmission rod 412 is more accurate and stable by utilizing the meshing effect between the screw 414 and the threaded sleeve 416.

Further, the auxiliary mechanism 5 comprises an auxiliary sleeve 510, the auxiliary sleeve 510 is connected to the backrest plate 114, an auxiliary rod 511 is inserted into the auxiliary sleeve 510, a back support plate 512 is adjusted at one end of the auxiliary rod 511, the number of the back support plates 512 is two, and a head support plate 513 is sleeved on the auxiliary rod 511 at one end of each of the two back support plates 512, so that the head and the back of the patient can be supported by the back support plate 512 and the head support plate 513.

Further, first activity hole 514 has all evenly been seted up to the both sides of auxiliary sleeve 510, second activity hole 515 has evenly been seted up to the both sides of auxiliary rod 511, bolt 516 has been inserted in first activity hole 514 in top and the second activity hole 515 in top, the activity of one side of bolt 516 is cup jointed nut 517, all fixed mounting has auxiliary brace 518 on the back of seat 114 on auxiliary sleeve 510 two sides, auxiliary brace 519 has all been inserted in two auxiliary braces 518, and auxiliary brace 519 connects on two back of the body faggings 512, utilize bolt 516 and the first activity hole 514 and the second activity hole 515 card sum of different positions like this, thereby change the extension length of auxiliary rod 511, thereby let the staff can adjust the position of back of the body brace 512 and head fagging 513, make it be applicable to different patients more.

The working principle is as follows: when a patient needs to use the device, a worker firstly pulls the sliding plate 122 according to various data of the patient, so that the sliding plate 122 moves in the sliding groove 121, and simultaneously the sliding plate 122 moves to drive the sitting plate 113 to move and the main supporting plate 111 and the auxiliary supporting plate 112 to incline, when the auxiliary supporting plate 112 inclines to a certain position, the sliding plate 122 stops moving, the clamping rod 214 is inserted into the first clamping hole 211 and the second clamping hole 212, so that the sliding plate 122 is limited and fixed, then the handle 415 is rotated, so that the handle 415 drives the screw rod 414 to rotate, the rotation of the screw rod 414 drives the thread sleeve 416 meshed with the screw thread to move, so that the positioning ring plate 411 is driven to move and the inclination angle of the driving rod 412 is changed, namely the inclination angle of the leaning seat plate 114 is changed, finally the auxiliary rod 511 is pulled out of the auxiliary sleeve 510 according to the height of the patient, the bolt 516 is inserted into the first movable hole 514 and the second movable hole 515, and then the nut 517 is sleeved on the bolt 516, so that the positions of the head supporting plate 513 and the back supporting plate 512 can be changed.

After the preparation work is accomplished, the patient leans on to sit on leaning on the seat 114, with the foot to the pushing plate 117 application of force to make the pushing sleeve 116 remove along assisting backup pad 112, when the patient takes off power, can be with turning to the right hand limit with the foot and removing, thereby drive gag lever post 120 and enter into the screens groove 119 of corresponding position, pushing sleeve 116 and pushing plate 117 can not again be to patient's foot and shank application of force this moment, the patient can break away from this device safely.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Claims (6)

1. The utility model provides a recovered branch of academic or vocational study is with lower limbs strength training device that has protect function, includes device main part (1), device main part (1) includes support frame (110), and the quantity of support frame (110) is two one side that support frame (110) are close to each other is connected with connecting plate (126), left side the one end of support frame (110) is equipped with main tributary fagging (111), one side of main tributary fagging (111) is equipped with auxiliary support board (112), one side of auxiliary support board (112) is equipped with position of sitting board (113), the one end of auxiliary support board (112) has cup jointed fixed plate (115) through the pivot, the one end of position of sitting board (113) is equipped with by seat board (114), cup jointed on auxiliary support board (112) and has pushed sleeve (116), one side fixed mounting that pushes away sleeve (116) has slurcam (117), its characterized in that: the auxiliary supporting plate (112) is provided with a limiting groove (118), one side of the inner wall of the limiting groove (118) is uniformly provided with a clamping groove (119), the limiting groove (118) is internally and movably provided with a limiting rod (120), the two sides of the limiting rod (120) are connected to the inner surface of the pushing sleeve (116), the pushing plate (117) is provided with a counterweight mechanism (3), the number of the counterweight mechanisms (3) is three, the left side of the pushing sleeve is connected with the main supporting plate (111) through a rotating shaft, one end of the main supporting plate (111) is sleeved with a connecting strip (125) through the rotating shaft, the other side of the connecting strip (125) is connected with the auxiliary supporting plate (112) through the rotating shaft, the connecting plate (126) is provided with a sliding groove (121), the sliding plate (122) is slidably mounted in the sliding groove (121), the sitting posture plate (113) and the fixing plate (115) are connected to the sliding plate (122), one side of the sliding plate (122) is provided with a fixing mechanism (2), the fixing mechanism (2) comprises a fixing block (210), the fixing block (210) is connected to the sliding block (122), one end of the sliding plate (210) is provided with a second clamping hole (211), and the sliding groove (121) is uniformly provided with a second clamping hole (121), protective sleeve (213) have been cup jointed on fixed block (210) in first block hole (211) outside, block pole (214) have been inserted in first block hole (211), and the one end of block pole (214) extends to in second block hole (212), the one end fixed mounting of block pole (214) has block ring (215), the one end of position of sitting board (113) is equipped with adjustment mechanism (4), slot rolling (123) have been seted up to slide (122) one end that is close to spout (121), and the quantity of slot rolling (123) is three, three all cup jointed cylinder (124) through the bearing on the inner wall of slot rolling (123).

2. The lower limb strength training device with the protection function for the rehabilitation department as claimed in claim 1, wherein: the counterweight mechanism (3) comprises a mounting ring (310), the mounting ring (310) is connected to the pushing plate (117), a rubber ring (311) is embedded into the mounting ring (310), a rubber rod (312) is fixedly mounted at one end of the rubber ring (311), and a rubber weighting ring (313) is movably sleeved on the outer side of the rubber rod (312).

3. The lower limb strength training device with the protection function for the rehabilitation department as claimed in claim 1, wherein: adjustment mechanism (4) include locating plate (410), locating plate (410) are connected on position of sitting board (113), lean on seat (114) to be connected through pivot and position of sitting board (113), the one end of locating plate (410) is equipped with position ring board (411), and the quantity of position ring board (411) is two, two the one end of position ring board (411) all has cup jointed transfer line (412) through the pivot, and the other end of transfer line (412) is connected on leaning on seat (114) through the pivot, one side of leaning on seat (114) is equipped with complementary unit (5).

4. The lower limb strength training device with the protection function for the rehabilitation department as claimed in claim 3, wherein: fixed mounting has mounting bracket (413) on locating plate (410), and the quantity of mounting bracket (413) is two, the left side screw rod (414) have been cup jointed through the bearing on mounting bracket (413), and the one end of screw rod (414) extends through right side mounting bracket (413), the one end fixed mounting of screw rod (414) has handle (415), two thread bush (416) have been cup jointed in the activity on screw rod (414) of mounting bracket (413) inboard, and collar plate (411) are connected on thread bush (416).

5. The lower limb strength training device with the protection function for the rehabilitation department as claimed in claim 3, wherein: auxiliary mechanism (5) are including supplementary cover (510), supplementary cover (510) are connected on leaning on seat (114), auxiliary rod (511) have been inserted to the inside of supplementary cover (510), back-up plate (512) have been adjusted to the one end of auxiliary rod (511), and the quantity of back-up plate (512) is two, two first fagging (513) has been cup jointed on auxiliary rod (511) of back-up plate (512) one end.

6. The lower limb strength training device with the protection function for the rehabilitation department according to claim 5, wherein: first activity hole (514) have all evenly been seted up to the both sides of supplementary cover (510), second activity hole (515) have evenly been seted up to the both sides of auxiliary rod (511), the top bolt (516) have been inserted in first activity hole (514) and top second activity hole (515), nut (517) have been cup jointed in the activity of the one side of bolt (516), all fixed mounting has the assistance to prop cover (518), two on leaning on seat board (114) of supplementary cover (510) two sides assist prop and all insert in cover (518) and assist vaulting pole (519), and assist vaulting pole (519) and connect on two back of the body faggings (512).

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